X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtktext.c;h=31b83d42741ba09bd64eeb6ddb4099482d689462;hb=c82dc58f7fceed9878181b50783ebfc80a5a3ae8;hp=a8c8df4348df238c655158cc31e5cc791035ee4f;hpb=9205edae41b7fdcdda29e8a47739c56f34834f0f;p=~andy%2Fgtk diff --git a/gtk/gtktext.c b/gtk/gtktext.c index a8c8df434..31b83d427 100644 --- a/gtk/gtktext.c +++ b/gtk/gtktext.c @@ -2,28 +2,36 @@ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public + * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. + * Lesser General Public License for more details. * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. */ + +/* + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + #include #include #include "gdk/gdkkeysyms.h" -#ifdef USE_XIM -#include "gdk/gdkx.h" -#endif +#include "gdk/gdki18n.h" #include "gtkmain.h" #include "gtkselection.h" #include "gtksignal.h" +#define GTK_ENABLE_BROKEN #include "gtktext.h" #include "line-wrap.xbm" #include "line-arrow.xbm" @@ -35,11 +43,14 @@ #define LINE_DELIM '\n' #define MIN_TEXT_WIDTH_LINES 20 #define MIN_TEXT_HEIGHT_LINES 10 -#define TEXT_BORDER_ROOM 3 +#define TEXT_BORDER_ROOM 1 #define LINE_WRAP_ROOM 8 /* The bitmaps are 6 wide. */ #define DEFAULT_TAB_STOP_WIDTH 4 #define SCROLL_PIXELS 5 #define KEY_SCROLL_PIXELS 10 +#define SCROLL_TIME 100 +#define FREEZE_LENGTH 1024 +/* Freeze text when inserting or deleting more than this many characters */ #define SET_PROPERTY_MARK(m, p, o) do { \ (m)->property = (p); \ @@ -55,11 +66,25 @@ #define MARK_NEXT_LIST_PTR(mark) ((mark)->property->next) #define MARK_OFFSET(mark) ((mark)->offset) #define MARK_PROPERTY_LENGTH(mark) (MARK_CURRENT_PROPERTY(mark)->length) -#define MARK_CURRENT_FONT(mark) (((TextProperty*)(mark)->property->data)->font->gdk_font) -#define MARK_CURRENT_FORE(mark) (&((TextProperty*)(mark)->property->data)->fore_color) -#define MARK_CURRENT_BACK(mark) (&((TextProperty*)(mark)->property->data)->back_color) -#define MARK_CURRENT_TEXT_FONT(m) (((TextProperty*)(m)->property->data)->font) + +#define MARK_CURRENT_FONT(text, mark) \ + ((MARK_CURRENT_PROPERTY(mark)->flags & PROPERTY_FONT) ? \ + MARK_CURRENT_PROPERTY(mark)->font->gdk_font : \ + GTK_WIDGET (text)->style->font) +#define MARK_CURRENT_FORE(text, mark) \ + ((MARK_CURRENT_PROPERTY(mark)->flags & PROPERTY_FOREGROUND) ? \ + &MARK_CURRENT_PROPERTY(mark)->fore_color : \ + &((GtkWidget *)text)->style->text[((GtkWidget *)text)->state]) +#define MARK_CURRENT_BACK(text, mark) \ + ((MARK_CURRENT_PROPERTY(mark)->flags & PROPERTY_BACKGROUND) ? \ + &MARK_CURRENT_PROPERTY(mark)->back_color : \ + &((GtkWidget *)text)->style->base[((GtkWidget *)text)->state]) +#define MARK_CURRENT_TEXT_FONT(text, mark) \ + ((MARK_CURRENT_PROPERTY(mark)->flags & PROPERTY_FONT) ? \ + MARK_CURRENT_PROPERTY(mark)->font : \ + text->current_font) + #define TEXT_LENGTH(t) ((t)->text_end - (t)->gap_size) #define FONT_HEIGHT(f) ((f)->ascent + (f)->descent) #define LINE_HEIGHT(l) ((l).font_ascent + (l).font_descent) @@ -69,7 +94,14 @@ #define LAST_INDEX(t, m) ((m).index == TEXT_LENGTH(t)) #define CACHE_DATA(c) (*(LineParams*)(c)->data) -typedef struct _TextFont TextFont; +enum { + ARG_0, + ARG_HADJUSTMENT, + ARG_VADJUSTMENT, + ARG_LINE_WRAP, + ARG_WORD_WRAP +}; + typedef struct _TextProperty TextProperty; typedef struct _TabStopMark TabStopMark; typedef struct _PrevTabCont PrevTabCont; @@ -92,25 +124,35 @@ struct _SetVerticalScrollData { GtkPropertyMark mark; }; -struct _TextFont +struct _GtkTextFont { /* The actual font. */ GdkFont *gdk_font; + guint ref_count; gint16 char_widths[256]; }; +typedef enum { + PROPERTY_FONT = 1 << 0, + PROPERTY_FOREGROUND = 1 << 1, + PROPERTY_BACKGROUND = 1 << 2 +} TextPropertyFlags; + struct _TextProperty { /* Font. */ - TextFont* font; + GtkTextFont* font; /* Background Color. */ GdkColor back_color; - + /* Foreground Color. */ GdkColor fore_color; + /* Show which properties are set */ + TextPropertyFlags flags; + /* Length of this property. */ guint length; }; @@ -143,20 +185,31 @@ struct _LineParams guint pixel_width; guint displayable_chars; guint wraps : 1; - + PrevTabCont tab_cont; PrevTabCont tab_cont_next; - + GtkPropertyMark start; GtkPropertyMark end; }; static void gtk_text_class_init (GtkTextClass *klass); +static void gtk_text_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); +static void gtk_text_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); static void gtk_text_init (GtkText *text); -static void gtk_text_finalize (GtkObject *object); +static void gtk_text_destroy (GtkObject *object); +static void gtk_text_finalize (GObject *object); static void gtk_text_realize (GtkWidget *widget); static void gtk_text_unrealize (GtkWidget *widget); +static void gtk_text_style_set (GtkWidget *widget, + GtkStyle *previous_style); +static void gtk_text_state_changed (GtkWidget *widget, + GtkStateType previous_state); static void gtk_text_draw_focus (GtkWidget *widget); static void gtk_text_size_request (GtkWidget *widget, GtkRequisition *requisition); @@ -167,26 +220,26 @@ static void gtk_text_adjustment (GtkAdjustment *adjustment, static void gtk_text_disconnect (GtkAdjustment *adjustment, GtkText *text); -static void gtk_text_insert_text (GtkEditable *editable, - const gchar *new_text, - guint new_text_length, - guint *position); -static void gtk_text_delete_text (GtkEditable *editable, - guint start_pos, - guint end_pos); -static void gtk_text_update_text (GtkEditable *editable, - guint start_pos, - guint end_pos); -static gchar *gtk_text_get_chars (GtkEditable *editable, - guint start, - guint end); -static void gtk_text_set_selection (GtkEditable *editable, - guint start, - guint end); +static void gtk_text_insert_text (GtkOldEditable *old_editable, + const gchar *new_text, + gint new_text_length, + gint *position); +static void gtk_text_delete_text (GtkOldEditable *old_editable, + gint start_pos, + gint end_pos); +static void gtk_text_update_text (GtkOldEditable *old_editable, + gint start_pos, + gint end_pos); +static gchar *gtk_text_get_chars (GtkOldEditable *old_editable, + gint start, + gint end); +static void gtk_text_set_selection (GtkOldEditable *old_editable, + gint start, + gint end); +static void gtk_text_real_set_editable (GtkOldEditable *old_editable, + gboolean is_editable); /* Event handlers */ -static void gtk_text_draw (GtkWidget *widget, - GdkRectangle *area); static gint gtk_text_expose (GtkWidget *widget, GdkEventExpose *event); static gint gtk_text_button_press (GtkWidget *widget, @@ -202,12 +255,26 @@ static gint gtk_text_focus_in (GtkWidget *widget, static gint gtk_text_focus_out (GtkWidget *widget, GdkEventFocus *event); -static void move_gap_to_point (GtkText* text); +static void move_gap (GtkText* text, guint index); static void make_forward_space (GtkText* text, guint len); + +/* Property management */ +static GtkTextFont* get_text_font (GdkFont* gfont); +static void text_font_unref (GtkTextFont *text_font); + static void insert_text_property (GtkText* text, GdkFont* font, GdkColor *fore, GdkColor* back, guint len); +static TextProperty* new_text_property (GtkText *text, GdkFont* font, + GdkColor* fore, GdkColor* back, guint length); +static void destroy_text_property (TextProperty *prop); +static void init_properties (GtkText *text); +static void realize_property (GtkText *text, TextProperty *prop); +static void realize_properties (GtkText *text); +static void unrealize_property (GtkText *text, TextProperty *prop); +static void unrealize_properties (GtkText *text); + static void delete_text_property (GtkText* text, guint len); -static void init_properties (GtkText *text); + static guint pixel_height_of (GtkText* text, GList* cache_line); /* Property Movement and Size Computations */ @@ -218,11 +285,11 @@ static void decrement_mark_n (GtkPropertyMark* mark, gint n); static void move_mark_n (GtkPropertyMark* mark, gint n); static GtkPropertyMark find_mark (GtkText* text, guint mark_position); static GtkPropertyMark find_mark_near (GtkText* text, guint mark_position, const GtkPropertyMark* near); -static void find_line_containing_point (GtkText* text, guint point); -static TextProperty* new_text_property (GdkFont* font, GdkColor* fore, GdkColor* back, guint length); +static void find_line_containing_point (GtkText* text, guint point, + gboolean scroll); /* Display */ -static void compute_lines_pixels (GtkText* text, gint char_count, +static void compute_lines_pixels (GtkText* text, guint char_count, guint *lines, guint *pixels); static gint total_line_height (GtkText* text, @@ -235,9 +302,10 @@ static LineParams find_line_params (GtkText* text, static void recompute_geometry (GtkText* text); static void insert_expose (GtkText* text, guint old_pixels, gint nchars, guint new_line_count); static void delete_expose (GtkText* text, - gint nchars, + guint nchars, guint old_lines, guint old_pixels); +static GdkGC *create_bg_gc (GtkText *text); static void clear_area (GtkText *text, GdkRectangle *area); static void draw_line (GtkText* text, gint pixel_height, @@ -251,7 +319,8 @@ static gint drawn_cursor_max (GtkText* text); static void expose_text (GtkText* text, GdkRectangle *area, gboolean cursor); /* Search and Placement. */ -static void find_cursor (GtkText* text); +static void find_cursor (GtkText* text, + gboolean scroll); static void find_cursor_at_line (GtkText* text, const LineParams* start_line, gint pixel_height); @@ -266,6 +335,7 @@ static void scroll_int (GtkText* text, gint diff); static void process_exposes (GtkText *text); /* Cache Management. */ +static void free_cache (GtkText* text); static GList* remove_cache_line (GtkText* text, GList* list); /* Key Motion. */ @@ -274,22 +344,51 @@ static void move_cursor_page_ver (GtkText *text, int dir); static void move_cursor_ver (GtkText *text, int count); static void move_cursor_hor (GtkText *text, int count); +/* Binding actions */ +static void gtk_text_move_cursor (GtkOldEditable *old_editable, + gint x, + gint y); +static void gtk_text_move_word (GtkOldEditable *old_editable, + gint n); +static void gtk_text_move_page (GtkOldEditable *old_editable, + gint x, + gint y); +static void gtk_text_move_to_row (GtkOldEditable *old_editable, + gint row); +static void gtk_text_move_to_column (GtkOldEditable *old_editable, + gint row); +static void gtk_text_kill_char (GtkOldEditable *old_editable, + gint direction); +static void gtk_text_kill_word (GtkOldEditable *old_editable, + gint direction); +static void gtk_text_kill_line (GtkOldEditable *old_editable, + gint direction); + +/* To be removed */ static void gtk_text_move_forward_character (GtkText *text); static void gtk_text_move_backward_character (GtkText *text); static void gtk_text_move_forward_word (GtkText *text); static void gtk_text_move_backward_word (GtkText *text); static void gtk_text_move_beginning_of_line (GtkText *text); static void gtk_text_move_end_of_line (GtkText *text); +static void gtk_text_move_next_line (GtkText *text); +static void gtk_text_move_previous_line (GtkText *text); + static void gtk_text_delete_forward_character (GtkText *text); static void gtk_text_delete_backward_character (GtkText *text); static void gtk_text_delete_forward_word (GtkText *text); static void gtk_text_delete_backward_word (GtkText *text); static void gtk_text_delete_line (GtkText *text); static void gtk_text_delete_to_line_end (GtkText *text); -static void gtk_text_select_word (GtkText *text); -static void gtk_text_select_line (GtkText *text); +static void gtk_text_select_word (GtkText *text, + guint32 time); +static void gtk_text_select_line (GtkText *text, + guint32 time); -#define DEBUG_GTK_TEXT +static void gtk_text_set_position (GtkOldEditable *old_editable, + gint position); + +/* #define DEBUG_GTK_TEXT */ #if defined(DEBUG_GTK_TEXT) && defined(__GNUC__) /* Debugging utilities. */ @@ -316,7 +415,7 @@ static void gtk_text_show_props (GtkText* test, const char* func, int line); -#define TDEBUG(args) g_print args +#define TDEBUG(args) g_message args #define TEXT_ASSERT(text) gtk_text_assert (text,__PRETTY_FUNCTION__,__LINE__) #define TEXT_ASSERT_MARK(text,mark,msg) gtk_text_assert_mark (text,mark, \ __PRETTY_FUNCTION__,msg,__LINE__) @@ -341,11 +440,11 @@ static GMemChunk *text_property_chunk = NULL; static GtkWidgetClass *parent_class = NULL; -static GtkTextFunction control_keys[26] = +static const GtkTextFunction control_keys[26] = { (GtkTextFunction)gtk_text_move_beginning_of_line, /* a */ (GtkTextFunction)gtk_text_move_backward_character, /* b */ - gtk_editable_copy_clipboard, /* c */ + (GtkTextFunction)gtk_editable_copy_clipboard, /* c */ (GtkTextFunction)gtk_text_delete_forward_character, /* d */ (GtkTextFunction)gtk_text_move_end_of_line, /* e */ (GtkTextFunction)gtk_text_move_forward_character, /* f */ @@ -356,22 +455,22 @@ static GtkTextFunction control_keys[26] = (GtkTextFunction)gtk_text_delete_to_line_end, /* k */ NULL, /* l */ NULL, /* m */ - NULL, /* n */ + (GtkTextFunction)gtk_text_move_next_line, /* n */ NULL, /* o */ - NULL, /* p */ + (GtkTextFunction)gtk_text_move_previous_line, /* p */ NULL, /* q */ NULL, /* r */ NULL, /* s */ NULL, /* t */ (GtkTextFunction)gtk_text_delete_line, /* u */ - gtk_editable_paste_clipboard, /* v */ + (GtkTextFunction)gtk_editable_paste_clipboard, /* v */ (GtkTextFunction)gtk_text_delete_backward_word, /* w */ - gtk_editable_cut_clipboard, /* x */ + (GtkTextFunction)gtk_editable_cut_clipboard, /* x */ NULL, /* y */ NULL, /* z */ }; -static GtkTextFunction alt_keys[26] = +static const GtkTextFunction alt_keys[26] = { NULL, /* a */ (GtkTextFunction)gtk_text_move_backward_word, /* b */ @@ -406,51 +505,57 @@ static GtkTextFunction alt_keys[26] = /* Widget Crap */ /**********************************************************************/ -guint -gtk_text_get_type () +GtkType +gtk_text_get_type (void) { - static guint text_type = 0; - + static GtkType text_type = 0; + if (!text_type) { - GtkTypeInfo text_info = + static const GtkTypeInfo text_info = { "GtkText", sizeof (GtkText), sizeof (GtkTextClass), (GtkClassInitFunc) gtk_text_class_init, (GtkObjectInitFunc) gtk_text_init, - (GtkArgSetFunc) NULL, - (GtkArgGetFunc) NULL, + /* reserved_1 */ NULL, + /* reserved_2 */ NULL, + (GtkClassInitFunc) NULL, }; - - text_type = gtk_type_unique (gtk_editable_get_type (), &text_info); + + text_type = gtk_type_unique (GTK_TYPE_OLD_EDITABLE, &text_info); } - + return text_type; } static void gtk_text_class_init (GtkTextClass *class) { + GObjectClass *gobject_class = G_OBJECT_CLASS (class); GtkObjectClass *object_class; GtkWidgetClass *widget_class; - GtkEditableClass *editable_class; - + GtkOldEditableClass *old_editable_class; + object_class = (GtkObjectClass*) class; widget_class = (GtkWidgetClass*) class; - editable_class = (GtkEditableClass*) class; + old_editable_class = (GtkOldEditableClass*) class; + parent_class = gtk_type_class (GTK_TYPE_OLD_EDITABLE); - parent_class = gtk_type_class (gtk_widget_get_type ()); - - object_class->finalize = gtk_text_finalize; + gobject_class->finalize = gtk_text_finalize; + object_class->set_arg = gtk_text_set_arg; + object_class->get_arg = gtk_text_get_arg; + object_class->destroy = gtk_text_destroy; + widget_class->realize = gtk_text_realize; widget_class->unrealize = gtk_text_unrealize; + widget_class->style_set = gtk_text_style_set; + widget_class->state_changed = gtk_text_state_changed; widget_class->draw_focus = gtk_text_draw_focus; widget_class->size_request = gtk_text_size_request; widget_class->size_allocate = gtk_text_size_allocate; - widget_class->draw = gtk_text_draw; widget_class->expose_event = gtk_text_expose; widget_class->button_press_event = gtk_text_button_press; widget_class->button_release_event = gtk_text_button_release; @@ -459,11 +564,112 @@ gtk_text_class_init (GtkTextClass *class) widget_class->focus_in_event = gtk_text_focus_in; widget_class->focus_out_event = gtk_text_focus_out; - editable_class->insert_text = gtk_text_insert_text; - editable_class->delete_text = gtk_text_delete_text; - editable_class->update_text = gtk_text_update_text; - editable_class->get_chars = gtk_text_get_chars; - editable_class->set_selection = gtk_text_set_selection; + old_editable_class->set_editable = gtk_text_real_set_editable; + old_editable_class->insert_text = gtk_text_insert_text; + old_editable_class->delete_text = gtk_text_delete_text; + + old_editable_class->move_cursor = gtk_text_move_cursor; + old_editable_class->move_word = gtk_text_move_word; + old_editable_class->move_page = gtk_text_move_page; + old_editable_class->move_to_row = gtk_text_move_to_row; + old_editable_class->move_to_column = gtk_text_move_to_column; + + old_editable_class->kill_char = gtk_text_kill_char; + old_editable_class->kill_word = gtk_text_kill_word; + old_editable_class->kill_line = gtk_text_kill_line; + + old_editable_class->update_text = gtk_text_update_text; + old_editable_class->get_chars = gtk_text_get_chars; + old_editable_class->set_selection = gtk_text_set_selection; + old_editable_class->set_position = gtk_text_set_position; + + class->set_scroll_adjustments = gtk_text_set_adjustments; + + gtk_object_add_arg_type ("GtkText::hadjustment", + GTK_TYPE_ADJUSTMENT, + GTK_ARG_READWRITE, + ARG_HADJUSTMENT); + gtk_object_add_arg_type ("GtkText::vadjustment", + GTK_TYPE_ADJUSTMENT, + GTK_ARG_READWRITE, + ARG_VADJUSTMENT); + gtk_object_add_arg_type ("GtkText::line_wrap", + GTK_TYPE_BOOL, + GTK_ARG_READWRITE, + ARG_LINE_WRAP); + gtk_object_add_arg_type ("GtkText::word_wrap", + GTK_TYPE_BOOL, + GTK_ARG_READWRITE, + ARG_WORD_WRAP); + + widget_class->set_scroll_adjustments_signal = + gtk_signal_new ("set_scroll_adjustments", + GTK_RUN_LAST, + GTK_CLASS_TYPE (object_class), + GTK_SIGNAL_OFFSET (GtkTextClass, set_scroll_adjustments), + gtk_marshal_VOID__POINTER_POINTER, + GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); +} + +static void +gtk_text_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkText *text; + + text = GTK_TEXT (object); + + switch (arg_id) + { + case ARG_HADJUSTMENT: + gtk_text_set_adjustments (text, + GTK_VALUE_POINTER (*arg), + text->vadj); + break; + case ARG_VADJUSTMENT: + gtk_text_set_adjustments (text, + text->hadj, + GTK_VALUE_POINTER (*arg)); + break; + case ARG_LINE_WRAP: + gtk_text_set_line_wrap (text, GTK_VALUE_BOOL (*arg)); + break; + case ARG_WORD_WRAP: + gtk_text_set_word_wrap (text, GTK_VALUE_BOOL (*arg)); + break; + default: + break; + } +} + +static void +gtk_text_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id) +{ + GtkText *text; + + text = GTK_TEXT (object); + + switch (arg_id) + { + case ARG_HADJUSTMENT: + GTK_VALUE_POINTER (*arg) = text->hadj; + break; + case ARG_VADJUSTMENT: + GTK_VALUE_POINTER (*arg) = text->vadj; + break; + case ARG_LINE_WRAP: + GTK_VALUE_BOOL (*arg) = text->line_wrap; + break; + case ARG_WORD_WRAP: + GTK_VALUE_BOOL (*arg) = text->word_wrap; + break; + default: + arg->type = GTK_TYPE_INVALID; + break; + } } static void @@ -471,46 +677,132 @@ gtk_text_init (GtkText *text) { GTK_WIDGET_SET_FLAGS (text, GTK_CAN_FOCUS); - text->text = g_new (guchar, INITIAL_BUFFER_SIZE); + text->text_area = NULL; + text->hadj = NULL; + text->vadj = NULL; + text->gc = NULL; + text->bg_gc = NULL; + text->line_wrap_bitmap = NULL; + text->line_arrow_bitmap = NULL; + + text->use_wchar = FALSE; + text->text.ch = g_new (guchar, INITIAL_BUFFER_SIZE); text->text_len = INITIAL_BUFFER_SIZE; - + + text->scratch_buffer.ch = NULL; + text->scratch_buffer_len = 0; + + text->freeze_count = 0; + if (!params_mem_chunk) params_mem_chunk = g_mem_chunk_new ("LineParams", sizeof (LineParams), 256 * sizeof (LineParams), G_ALLOC_AND_FREE); - + text->default_tab_width = 4; text->tab_stops = NULL; - + text->tab_stops = g_list_prepend (text->tab_stops, (void*)8); text->tab_stops = g_list_prepend (text->tab_stops, (void*)8); - + + text->line_start_cache = NULL; + text->first_cut_pixels = 0; + text->line_wrap = TRUE; - GTK_EDITABLE(text)->editable = FALSE; + text->word_wrap = FALSE; + + text->timer = 0; + text->button = 0; + + text->current_font = NULL; + + init_properties (text); + + GTK_OLD_EDITABLE (text)->editable = FALSE; + + gtk_text_set_adjustments (text, NULL, NULL); + gtk_editable_set_position (GTK_EDITABLE (text), 0); } GtkWidget* gtk_text_new (GtkAdjustment *hadj, GtkAdjustment *vadj) { - GtkText *text; + GtkWidget *text; + + if (hadj) + g_return_val_if_fail (GTK_IS_ADJUSTMENT (hadj), NULL); + if (vadj) + g_return_val_if_fail (GTK_IS_ADJUSTMENT (vadj), NULL); - text = gtk_type_new (gtk_text_get_type ()); + text = gtk_widget_new (GTK_TYPE_TEXT, + "hadjustment", hadj, + "vadjustment", vadj, + NULL); + + return text; +} - gtk_text_set_adjustments (text, hadj, vadj); +void +gtk_text_set_word_wrap (GtkText *text, + gint word_wrap) +{ + g_return_if_fail (text != NULL); + g_return_if_fail (GTK_IS_TEXT (text)); + + text->word_wrap = (word_wrap != FALSE); + + if (GTK_WIDGET_REALIZED (text)) + { + recompute_geometry (text); + gtk_widget_queue_draw (GTK_WIDGET (text)); + } +} - return GTK_WIDGET (text); +void +gtk_text_set_line_wrap (GtkText *text, + gint line_wrap) +{ + g_return_if_fail (text != NULL); + g_return_if_fail (GTK_IS_TEXT (text)); + + text->line_wrap = (line_wrap != FALSE); + + if (GTK_WIDGET_REALIZED (text)) + { + recompute_geometry (text); + gtk_widget_queue_draw (GTK_WIDGET (text)); + } } void gtk_text_set_editable (GtkText *text, - gint editable) + gboolean is_editable) { g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); + + gtk_editable_set_editable (GTK_EDITABLE (text), is_editable); +} - GTK_EDITABLE(text)->editable = (editable != FALSE); +static void +gtk_text_real_set_editable (GtkOldEditable *old_editable, + gboolean is_editable) +{ + GtkText *text; + + g_return_if_fail (old_editable != NULL); + g_return_if_fail (GTK_IS_TEXT (old_editable)); + + text = GTK_TEXT (old_editable); + + old_editable->editable = (is_editable != FALSE); + + if (is_editable) + draw_cursor (text, TRUE); + else + undraw_cursor (text, TRUE); } void @@ -520,25 +812,27 @@ gtk_text_set_adjustments (GtkText *text, { g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - + if (hadj) + g_return_if_fail (GTK_IS_ADJUSTMENT (hadj)); + else + hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); + if (vadj) + g_return_if_fail (GTK_IS_ADJUSTMENT (vadj)); + else + vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); + if (text->hadj && (text->hadj != hadj)) { gtk_signal_disconnect_by_data (GTK_OBJECT (text->hadj), text); gtk_object_unref (GTK_OBJECT (text->hadj)); } - + if (text->vadj && (text->vadj != vadj)) { gtk_signal_disconnect_by_data (GTK_OBJECT (text->vadj), text); gtk_object_unref (GTK_OBJECT (text->vadj)); } - - if (!hadj) - hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); - - if (!vadj) - vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); - + if (text->hadj != hadj) { text->hadj = hadj; @@ -554,8 +848,9 @@ gtk_text_set_adjustments (GtkText *text, gtk_signal_connect (GTK_OBJECT (text->hadj), "disconnect", (GtkSignalFunc) gtk_text_disconnect, text); + gtk_text_adjustment (hadj, text); } - + if (text->vadj != vadj) { text->vadj = vadj; @@ -571,6 +866,7 @@ gtk_text_set_adjustments (GtkText *text, gtk_signal_connect (GTK_OBJECT (text->vadj), "disconnect", (GtkSignalFunc) gtk_text_disconnect, text); + gtk_text_adjustment (vadj, text); } } @@ -580,8 +876,8 @@ gtk_text_set_point (GtkText *text, { g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - g_return_if_fail (index >= 0 && index <= TEXT_LENGTH (text)); - + g_return_if_fail (index <= TEXT_LENGTH (text)); + text->point = find_mark (text, index); } @@ -590,7 +886,7 @@ gtk_text_get_point (GtkText *text) { g_return_val_if_fail (text != NULL, 0); g_return_val_if_fail (GTK_IS_TEXT (text), 0); - + return text->point.index; } @@ -599,7 +895,7 @@ gtk_text_get_length (GtkText *text) { g_return_val_if_fail (text != NULL, 0); g_return_val_if_fail (GTK_IS_TEXT (text), 0); - + return TEXT_LENGTH (text); } @@ -608,8 +904,8 @@ gtk_text_freeze (GtkText *text) { g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - - text->freeze = TRUE; + + text->freeze_count++; } void @@ -617,14 +913,13 @@ gtk_text_thaw (GtkText *text) { g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - - text->freeze = FALSE; - - if (GTK_WIDGET_DRAWABLE (text)) - { - recompute_geometry (text); - gtk_widget_queue_draw (GTK_WIDGET (text)); - } + + if (text->freeze_count) + if (!(--text->freeze_count) && GTK_WIDGET_REALIZED (text)) + { + recompute_geometry (text); + gtk_widget_queue_draw (GTK_WIDGET (text)); + } } void @@ -633,62 +928,124 @@ gtk_text_insert (GtkText *text, GdkColor *fore, GdkColor *back, const char *chars, - gint length) + gint nchars) { - gint i; - + GtkOldEditable *old_editable = GTK_OLD_EDITABLE (text); + gboolean frozen = FALSE; + gint new_line_count = 1; guint old_height = 0; - + guint length; + guint i; + gint numwcs; + g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - g_assert (GTK_WIDGET_REALIZED (text)); - - if (fore == NULL) - fore = >K_WIDGET (text)->style->text[GTK_STATE_NORMAL]; - if (back == NULL) - back = >K_WIDGET (text)->style->base[GTK_STATE_NORMAL]; - - /* This must be because we need to have the style set up. */ - g_assert (GTK_WIDGET_REALIZED(text)); - - if (length < 0) + if (nchars < 0) length = strlen (chars); - + else + length = nchars; + if (length == 0) return; - - if (!text->freeze && (text->line_start_cache != NULL)) + + if (!text->freeze_count && (length > FREEZE_LENGTH)) { - find_line_containing_point (text, text->point.index); + gtk_text_freeze (text); + frozen = TRUE; + } + + if (!text->freeze_count && (text->line_start_cache != NULL)) + { + find_line_containing_point (text, text->point.index, TRUE); old_height = total_line_height (text, text->current_line, 1); - for (i=0; ipoint.index < text->first_line_start_index) - text->first_line_start_index += length; - - move_gap_to_point (text); - - if (font == NULL) - font = GTK_WIDGET (text)->style->font; - + + if ((TEXT_LENGTH (text) == 0) && (text->use_wchar == FALSE)) + { + GtkWidget *widget; + widget = GTK_WIDGET (text); + gtk_widget_ensure_style (widget); + if ((widget->style) && (widget->style->font->type == GDK_FONT_FONTSET)) + { + text->use_wchar = TRUE; + g_free (text->text.ch); + text->text.wc = g_new (GdkWChar, INITIAL_BUFFER_SIZE); + text->text_len = INITIAL_BUFFER_SIZE; + if (text->scratch_buffer.ch) + g_free (text->scratch_buffer.ch); + text->scratch_buffer.wc = NULL; + text->scratch_buffer_len = 0; + } + } + + move_gap (text, text->point.index); make_forward_space (text, length); + + if (text->use_wchar) + { + char *chars_nt = (char *)chars; + if (nchars > 0) + { + chars_nt = g_new (char, length+1); + memcpy (chars_nt, chars, length); + chars_nt[length] = 0; + } + numwcs = gdk_mbstowcs (text->text.wc + text->gap_position, chars_nt, + length); + if (chars_nt != chars) + g_free(chars_nt); + if (numwcs < 0) + numwcs = 0; + } + else + { + numwcs = length; + memcpy(text->text.ch + text->gap_position, chars, length); + } + + if (!text->freeze_count && (text->line_start_cache != NULL)) + { + if (text->use_wchar) + { + for (i=0; itext.wc[text->gap_position + i] == '\n') + new_line_count++; + } + else + { + for (i=0; itext.ch[text->gap_position + i] == '\n') + new_line_count++; + } + } + + if (numwcs > 0) + { + insert_text_property (text, font, fore, back, numwcs); + + text->gap_size -= numwcs; + text->gap_position += numwcs; + + if (text->point.index < text->first_line_start_index) + text->first_line_start_index += numwcs; + if (text->point.index < old_editable->selection_start_pos) + old_editable->selection_start_pos += numwcs; + if (text->point.index < old_editable->selection_end_pos) + old_editable->selection_end_pos += numwcs; + /* We'll reset the cursor later anyways if we aren't frozen */ + if (text->point.index < text->cursor_mark.index) + text->cursor_mark.index += numwcs; + + advance_mark_n (&text->point, numwcs); + + if (!text->freeze_count && (text->line_start_cache != NULL)) + insert_expose (text, old_height, numwcs, new_line_count); + } - memcpy (text->text + text->gap_position, chars, length); - - insert_text_property (text, font, fore, back, length); - - text->gap_size -= length; - text->gap_position += length; - - advance_mark_n (&text->point, length); - - if (!text->freeze && (text->line_start_cache != NULL)) - insert_expose (text, old_height, length, new_line_count); + if (frozen) + gtk_text_thaw (text); } gint @@ -697,147 +1054,238 @@ gtk_text_backward_delete (GtkText *text, { g_return_val_if_fail (text != NULL, 0); g_return_val_if_fail (GTK_IS_TEXT (text), 0); - + if (nchars > text->point.index || nchars <= 0) return FALSE; - + gtk_text_set_point (text, text->point.index - nchars); - + return gtk_text_forward_delete (text, nchars); } gint gtk_text_forward_delete (GtkText *text, - guint nchars) + guint nchars) { guint old_lines, old_height; - + GtkOldEditable *old_editable = GTK_OLD_EDITABLE (text); + gboolean frozen = FALSE; + g_return_val_if_fail (text != NULL, 0); g_return_val_if_fail (GTK_IS_TEXT (text), 0); - + if (text->point.index + nchars > TEXT_LENGTH (text) || nchars <= 0) return FALSE; - - if (!text->freeze && (text->line_start_cache != NULL)) + + if (!text->freeze_count && nchars > FREEZE_LENGTH) + { + gtk_text_freeze (text); + frozen = TRUE; + } + + if (!text->freeze_count && text->line_start_cache != NULL) { - find_line_containing_point (text, text->point.index); + /* We need to undraw the cursor here, since we may later + * delete the cursor's property + */ + undraw_cursor (text, FALSE); + find_line_containing_point (text, text->point.index, TRUE); compute_lines_pixels (text, nchars, &old_lines, &old_height); } - + + /* FIXME, or resizing after deleting will be odd */ if (text->point.index < text->first_line_start_index) { - if (text->point.index >= text->first_line_start_index - nchars) + if (text->point.index + nchars >= text->first_line_start_index) { text->first_line_start_index = text->point.index; while ((text->first_line_start_index > 0) && - (GTK_TEXT_INDEX (text, text->first_line_start_index - 1) != LINE_DELIM)) + (GTK_TEXT_INDEX (text, text->first_line_start_index - 1) + != LINE_DELIM)) text->first_line_start_index -= 1; } else text->first_line_start_index -= nchars; } - - move_gap_to_point (text); - + + if (text->point.index < old_editable->selection_start_pos) + old_editable->selection_start_pos -= + MIN(nchars, old_editable->selection_start_pos - text->point.index); + if (text->point.index < old_editable->selection_end_pos) + old_editable->selection_end_pos -= + MIN(nchars, old_editable->selection_end_pos - text->point.index); + /* We'll reset the cursor later anyways if we aren't frozen */ + if (text->point.index < text->cursor_mark.index) + move_mark_n (&text->cursor_mark, + -MIN(nchars, text->cursor_mark.index - text->point.index)); + + move_gap (text, text->point.index); + text->gap_size += nchars; - + delete_text_property (text, nchars); - - if (!text->freeze && (text->line_start_cache != NULL)) - delete_expose (text, nchars, old_lines, old_height); - + + if (!text->freeze_count && (text->line_start_cache != NULL)) + { + delete_expose (text, nchars, old_lines, old_height); + draw_cursor (text, FALSE); + } + + if (frozen) + gtk_text_thaw (text); + return TRUE; } +static void +gtk_text_set_position (GtkOldEditable *old_editable, + gint position) +{ + GtkText *text = (GtkText *) old_editable; + + undraw_cursor (text, FALSE); + text->cursor_mark = find_mark (text, position); + find_cursor (text, TRUE); + draw_cursor (text, FALSE); + gtk_editable_select_region (GTK_EDITABLE (old_editable), 0, 0); +} + static gchar * -gtk_text_get_chars (GtkEditable *editable, - guint index, - guint nchars) +gtk_text_get_chars (GtkOldEditable *old_editable, + gint start_pos, + gint end_pos) { GtkText *text; - - gchar *retval; - gchar *p; - guint n; - g_return_val_if_fail (editable != NULL, NULL); - g_return_val_if_fail (GTK_IS_TEXT (editable), NULL); - text = GTK_TEXT (editable); + gchar *retval; - if (index+nchars > TEXT_LENGTH (text)) + g_return_val_if_fail (old_editable != NULL, NULL); + g_return_val_if_fail (GTK_IS_TEXT (old_editable), NULL); + text = GTK_TEXT (old_editable); + + if (end_pos < 0) + end_pos = TEXT_LENGTH (text); + + if ((start_pos < 0) || + (end_pos > TEXT_LENGTH (text)) || + (end_pos < start_pos)) return NULL; - if (nchars < 0) - nchars = TEXT_LENGTH (text) - index; + move_gap (text, TEXT_LENGTH (text)); + make_forward_space (text, 1); - retval = g_new (gchar, nchars+1); - p = retval; - - if (index < text->gap_position) + if (text->use_wchar) { - n = MIN (text->gap_position - index, nchars); - memcpy (p, &text->text[index], n); - p += n; - index += n; - nchars -= n; + GdkWChar ch; + ch = text->text.wc[end_pos]; + text->text.wc[end_pos] = 0; + retval = gdk_wcstombs (text->text.wc + start_pos); + text->text.wc[end_pos] = ch; } - - if (index+nchars >= text->gap_position) + else { - memcpy (p, - text->text + MAX (text->gap_position + text->gap_size, - index + text->gap_size), - nchars); - p += nchars; + guchar ch; + ch = text->text.ch[end_pos]; + text->text.ch[end_pos] = 0; + retval = g_strdup (text->text.ch + start_pos); + text->text.ch[end_pos] = ch; } - - *p = 0; return retval; } static void -gtk_text_finalize (GtkObject *object) +gtk_text_destroy (GtkObject *object) { GtkText *text; - - g_return_if_fail (object != NULL); + g_return_if_fail (GTK_IS_TEXT (object)); + + text = GTK_TEXT (object); - text = (GtkText *)object; if (text->hadj) - gtk_object_unref (GTK_OBJECT (text->hadj)); - if (text->vadj) - gtk_object_unref (GTK_OBJECT (text->vadj)); - -#ifdef USE_XIM - if (GTK_EDITABLE(text)->ic) { - gdk_ic_destroy (GTK_EDITABLE(text)->ic); - GTK_EDITABLE(text)->ic = NULL; + gtk_signal_disconnect_by_data (GTK_OBJECT (text->hadj), text); + gtk_object_unref (GTK_OBJECT (text->hadj)); + text->hadj = NULL; } -#endif - - GTK_OBJECT_CLASS(parent_class)->finalize (object); + if (text->vadj) + { + gtk_signal_disconnect_by_data (GTK_OBJECT (text->vadj), text); + gtk_object_unref (GTK_OBJECT (text->vadj)); + text->vadj = NULL; + } + + if (text->timer) + { + gtk_timeout_remove (text->timer); + text->timer = 0; + } + + GTK_OBJECT_CLASS(parent_class)->destroy (object); +} + +static void +gtk_text_finalize (GObject *object) +{ + GtkText *text; + GList *tmp_list; + + g_return_if_fail (GTK_IS_TEXT (object)); + + text = GTK_TEXT (object); + + /* Clean up the internal structures */ + if (text->use_wchar) + g_free (text->text.wc); + else + g_free (text->text.ch); + + tmp_list = text->text_properties; + while (tmp_list) + { + destroy_text_property (tmp_list->data); + tmp_list = tmp_list->next; + } + + if (text->current_font) + text_font_unref (text->current_font); + + g_list_free (text->text_properties); + + if (text->use_wchar) + { + if (text->scratch_buffer.wc) + g_free (text->scratch_buffer.wc); + } + else + { + if (text->scratch_buffer.ch) + g_free (text->scratch_buffer.ch); + } + + g_list_free (text->tab_stops); + + G_OBJECT_CLASS (parent_class)->finalize (object); } static void gtk_text_realize (GtkWidget *widget) { GtkText *text; - GtkEditable *editable; + GtkOldEditable *old_editable; GdkWindowAttr attributes; gint attributes_mask; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_TEXT (widget)); - + text = GTK_TEXT (widget); - editable = GTK_EDITABLE (widget); + old_editable = GTK_OLD_EDITABLE (widget); GTK_WIDGET_SET_FLAGS (text, GTK_REALIZED); - + attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x; attributes.y = widget->allocation.y; @@ -855,131 +1303,200 @@ gtk_text_realize (GtkWidget *widget) GDK_LEAVE_NOTIFY_MASK | GDK_KEY_PRESS_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; - + widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (widget->window, text); - - attributes.x = (widget->style->klass->xthickness + TEXT_BORDER_ROOM); - attributes.y = (widget->style->klass->ythickness + TEXT_BORDER_ROOM); - attributes.width = widget->allocation.width - attributes.x * 2; - attributes.height = widget->allocation.height - attributes.y * 2; - + + attributes.x = (widget->style->xthickness + TEXT_BORDER_ROOM); + attributes.y = (widget->style->ythickness + TEXT_BORDER_ROOM); + attributes.width = MAX (1, (gint)widget->allocation.width - (gint)attributes.x * 2); + attributes.height = MAX (1, (gint)widget->allocation.height - (gint)attributes.y * 2); + text->text_area = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (text->text_area, text); - + widget->style = gtk_style_attach (widget->style, widget->window); + + /* Can't call gtk_style_set_background here because it's handled specially */ + gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); + gdk_window_set_background (text->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); - /* Can't call gtk_style_set_background here because its handled specially */ - if (!widget->style->bg_pixmap[GTK_STATE_NORMAL]) - gdk_window_set_background (widget->window, &widget->style->base[GTK_STATE_NORMAL]); - - if (!widget->style->bg_pixmap[GTK_STATE_NORMAL]) - gdk_window_set_background (text->text_area, &widget->style->base[GTK_STATE_NORMAL]); - + if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) + text->bg_gc = create_bg_gc (text); + text->line_wrap_bitmap = gdk_bitmap_create_from_data (text->text_area, (gchar*) line_wrap_bits, line_wrap_width, line_wrap_height); - + text->line_arrow_bitmap = gdk_bitmap_create_from_data (text->text_area, (gchar*) line_arrow_bits, line_arrow_width, line_arrow_height); - + text->gc = gdk_gc_new (text->text_area); gdk_gc_set_exposures (text->gc, TRUE); gdk_gc_set_foreground (text->gc, &widget->style->text[GTK_STATE_NORMAL]); - + #ifdef USE_XIM - if (gdk_im_ready ()) + if (gdk_im_ready () && (old_editable->ic_attr = gdk_ic_attr_new ()) != NULL) { - GdkPoint spot; - GdkRectangle rect; gint width, height; + GdkColormap *colormap; GdkEventMask mask; + GdkICAttr *attr = old_editable->ic_attr; + GdkICAttributesType attrmask = GDK_IC_ALL_REQ; GdkIMStyle style; - GdkIMStyle supported_style = GdkIMPreeditNone | GdkIMPreeditNothing | - GdkIMPreeditPosition | - GdkIMStatusNone | GdkIMStatusNothing; - + GdkIMStyle supported_style = GDK_IM_PREEDIT_NONE | + GDK_IM_PREEDIT_NOTHING | + GDK_IM_PREEDIT_POSITION | + GDK_IM_STATUS_NONE | + GDK_IM_STATUS_NOTHING; + if (widget->style && widget->style->font->type != GDK_FONT_FONTSET) - supported_style &= ~GdkIMPreeditPosition; + supported_style &= ~GDK_IM_PREEDIT_POSITION; + + attr->style = style = gdk_im_decide_style (supported_style); + attr->client_window = text->text_area; + + if ((colormap = gtk_widget_get_colormap (widget)) != + gtk_widget_get_default_colormap ()) + { + attrmask |= GDK_IC_PREEDIT_COLORMAP; + attr->preedit_colormap = colormap; + } - style = gdk_im_decide_style (supported_style); - switch (style & GdkIMPreeditMask) + switch (style & GDK_IM_PREEDIT_MASK) { - case GdkIMPreeditPosition: + case GDK_IM_PREEDIT_POSITION: if (widget->style && widget->style->font->type != GDK_FONT_FONTSET) { g_warning ("over-the-spot style requires fontset"); break; } + + attrmask |= GDK_IC_PREEDIT_POSITION_REQ; gdk_window_get_size (text->text_area, &width, &height); - rect.x = 0; - rect.y = 0; - rect.width = width; - rect.height = height; - spot.x = 0; - spot.y = height; + attr->spot_location.x = 0; + attr->spot_location.y = height; + attr->preedit_area.x = 0; + attr->preedit_area.y = 0; + attr->preedit_area.width = width; + attr->preedit_area.height = height; + attr->preedit_fontset = widget->style->font; - editable->ic = gdk_ic_new (text->text_area, text->text_area, - style, - "spotLocation", &spot, - "area", &rect, - "fontSet", GDK_FONT_XFONT (widget->style->font), - NULL); break; - default: - editable->ic = gdk_ic_new (text->text_area, text->text_area, - style, NULL); } - - if (editable->ic == NULL) + old_editable->ic = gdk_ic_new (attr, attrmask); + + if (old_editable->ic == NULL) g_warning ("Can't create input context."); else { - GdkColormap *colormap; - mask = gdk_window_get_events (text->text_area); - mask |= gdk_ic_get_events (editable->ic); + mask |= gdk_ic_get_events (old_editable->ic); gdk_window_set_events (text->text_area, mask); - - if ((colormap = gtk_widget_get_colormap (widget)) != - gtk_widget_get_default_colormap ()) - { - gdk_ic_set_attr (editable->ic, "preeditAttributes", - "colorMap", GDK_COLORMAP_XCOLORMAP (colormap), - NULL); - } + + if (GTK_WIDGET_HAS_FOCUS (widget)) + gdk_im_begin (old_editable->ic, text->text_area); } } #endif + realize_properties (text); + gdk_window_show (text->text_area); init_properties (text); - gdk_window_show (text->text_area); + if (old_editable->selection_start_pos != old_editable->selection_end_pos) + gtk_old_editable_claim_selection (old_editable, TRUE, GDK_CURRENT_TIME); + + recompute_geometry (text); +} + +static void +gtk_text_style_set (GtkWidget *widget, + GtkStyle *previous_style) +{ + GtkText *text = GTK_TEXT (widget); + + if (GTK_WIDGET_REALIZED (widget)) + { + gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); + gdk_window_set_background (text->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); + + if (text->bg_gc) + { + gdk_gc_destroy (text->bg_gc); + text->bg_gc = NULL; + } + + if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) + text->bg_gc = create_bg_gc (text); + + recompute_geometry (text); + } - if (editable->selection_start_pos != editable->selection_end_pos) - gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME); + if (text->current_font) + text_font_unref (text->current_font); + text->current_font = get_text_font (widget->style->font); +} + +static void +gtk_text_state_changed (GtkWidget *widget, + GtkStateType previous_state) +{ + GtkText *text = GTK_TEXT (widget); + + if (GTK_WIDGET_REALIZED (widget)) + { + gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); + gdk_window_set_background (text->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); + } } static void gtk_text_unrealize (GtkWidget *widget) { GtkText *text; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_TEXT (widget)); - + text = GTK_TEXT (widget); +#ifdef USE_XIM + if (GTK_OLD_EDITABLE (widget)->ic) + { + gdk_ic_destroy (GTK_OLD_EDITABLE (widget)->ic); + GTK_OLD_EDITABLE (widget)->ic = NULL; + } + if (GTK_OLD_EDITABLE (widget)->ic_attr) + { + gdk_ic_attr_destroy (GTK_OLD_EDITABLE (widget)->ic_attr); + GTK_OLD_EDITABLE (widget)->ic_attr = NULL; + } +#endif + gdk_window_set_user_data (text->text_area, NULL); gdk_window_destroy (text->text_area); text->text_area = NULL; - + gdk_gc_destroy (text->gc); text->gc = NULL; + if (text->bg_gc) + { + gdk_gc_destroy (text->bg_gc); + text->bg_gc = NULL; + } + + gdk_pixmap_unref (text->line_wrap_bitmap); + gdk_pixmap_unref (text->line_arrow_bitmap); + + unrealize_properties (text); + + free_cache (text); + if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } @@ -988,49 +1505,31 @@ static void clear_focus_area (GtkText *text, gint area_x, gint area_y, gint area_width, gint area_height) { GtkWidget *widget = GTK_WIDGET (text); + GdkGC *gc; + + gint ythick = TEXT_BORDER_ROOM + widget->style->ythickness; + gint xthick = TEXT_BORDER_ROOM + widget->style->xthickness; - gint ythick = TEXT_BORDER_ROOM + widget->style->klass->ythickness; - gint xthick = TEXT_BORDER_ROOM + widget->style->klass->xthickness; - gint width, height; - gint xorig, yorig; - gint x, y; - - gdk_window_get_size (widget->style->bg_pixmap[GTK_STATE_NORMAL], &width, &height); - - yorig = - text->first_onscreen_ver_pixel + ythick; - xorig = - text->first_onscreen_hor_pixel + xthick; - - while (yorig > 0) - yorig -= height; - - while (xorig > 0) - xorig -= width; - - for (y = area_y; y < area_y + area_height; ) + + if (area_width == 0 || area_height == 0) + return; + + if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) { - gint yoff = (y - yorig) % height; - gint yw = MIN(height - yoff, (area_y + area_height) - y); - - for (x = area_x; x < area_x + area_width; ) - { - gint xoff = (x - xorig) % width; - gint xw = MIN(width - xoff, (area_x + area_width) - x); - - gdk_draw_pixmap (widget->window, - text->gc, - widget->style->bg_pixmap[GTK_STATE_NORMAL], - xoff, - yoff, - x, - y, - xw, - yw); - - x += width - xoff; - } - y += height - yoff; + gdk_window_get_size (widget->style->bg_pixmap[GTK_STATE_NORMAL], &width, &height); + + gdk_gc_set_ts_origin (text->bg_gc, + (- text->first_onscreen_hor_pixel + xthick) % width, + (- text->first_onscreen_ver_pixel + ythick) % height); + + gc = text->bg_gc; } + else + gc = widget->style->bg_gc[widget->state]; + + gdk_draw_rectangle (GTK_WIDGET (text)->window, gc, TRUE, + area_x, area_y, area_width, area_height); } static void @@ -1039,62 +1538,62 @@ gtk_text_draw_focus (GtkWidget *widget) GtkText *text; gint width, height; gint x, y; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_TEXT (widget)); - + text = GTK_TEXT (widget); - + if (GTK_WIDGET_DRAWABLE (widget)) { + gint ythick = widget->style->ythickness; + gint xthick = widget->style->xthickness; + gint xextra = TEXT_BORDER_ROOM; + gint yextra = TEXT_BORDER_ROOM; + TDEBUG (("in gtk_text_draw_focus\n")); - + x = 0; y = 0; width = widget->allocation.width; height = widget->allocation.height; - - if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) - { - gint ythick = TEXT_BORDER_ROOM + widget->style->klass->ythickness; - gint xthick = TEXT_BORDER_ROOM + widget->style->klass->xthickness; - - /* top rect */ - clear_focus_area (text, 0, 0, width, ythick); - /* right rect */ - clear_focus_area (text, 0, ythick, xthick, height - 2 * ythick); - /* left rect */ - clear_focus_area (text, width - xthick, ythick, xthick, height - 2 * ythick); - /* bottom rect */ - clear_focus_area (text, 0, height - ythick, width, ythick); - } - + if (GTK_WIDGET_HAS_FOCUS (widget)) { x += 1; y += 1; width -= 2; height -= 2; - - gdk_draw_rectangle (widget->window, - widget->style->fg_gc[GTK_STATE_NORMAL], - FALSE, 0, 0, - widget->allocation.width - 1, - widget->allocation.height - 1); - } - else - { - gdk_draw_rectangle (widget->window, - widget->style->white_gc, FALSE, - x + 2, - y + 2, - width - 1 - 2, - height - 1 - 2); + xextra -= 1; + yextra -= 1; + + gtk_paint_focus (widget->style, widget->window, + NULL, widget, "text", + 0, 0, + widget->allocation.width - 1, + widget->allocation.height - 1); } - gtk_draw_shadow (widget->style, widget->window, - GTK_STATE_NORMAL, GTK_SHADOW_IN, - x, y, width, height); + gtk_paint_shadow (widget->style, widget->window, + GTK_STATE_NORMAL, GTK_SHADOW_IN, + NULL, widget, "text", + x, y, width, height); + + x += xthick; + y += ythick; + width -= 2 * xthick; + height -= 2 * ythick; + + /* top rect */ + clear_focus_area (text, x, y, width, yextra); + /* left rect */ + clear_focus_area (text, x, y + yextra, + xextra, y + height - 2 * yextra); + /* right rect */ + clear_focus_area (text, x + width - xextra, y + yextra, + xextra, height - 2 * ythick); + /* bottom rect */ + clear_focus_area (text, x, x + height - yextra, width, yextra); } else { @@ -1110,22 +1609,22 @@ gtk_text_size_request (GtkWidget *widget, gint ythickness; gint char_height; gint char_width; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_TEXT (widget)); g_return_if_fail (requisition != NULL); - - xthickness = widget->style->klass->xthickness + TEXT_BORDER_ROOM; - ythickness = widget->style->klass->ythickness + TEXT_BORDER_ROOM; - + + xthickness = widget->style->xthickness + TEXT_BORDER_ROOM; + ythickness = widget->style->ythickness + TEXT_BORDER_ROOM; + char_height = MIN_TEXT_HEIGHT_LINES * (widget->style->font->ascent + widget->style->font->descent); - + char_width = MIN_TEXT_WIDTH_LINES * (gdk_text_width (widget->style->font, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 26) / 26); - + requisition->width = char_width + xthickness * 2; requisition->height = char_height + ythickness * 2; } @@ -1135,64 +1634,48 @@ gtk_text_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkText *text; - GtkEditable *editable; - + GtkOldEditable *old_editable; + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_TEXT (widget)); g_return_if_fail (allocation != NULL); - + text = GTK_TEXT (widget); - editable = GTK_EDITABLE (widget); - + old_editable = GTK_OLD_EDITABLE (widget); + widget->allocation = *allocation; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height); - + gdk_window_move_resize (text->text_area, - widget->style->klass->xthickness + TEXT_BORDER_ROOM, - widget->style->klass->ythickness + TEXT_BORDER_ROOM, - widget->allocation.width - (widget->style->klass->xthickness + - TEXT_BORDER_ROOM) * 2, - widget->allocation.height - (widget->style->klass->ythickness + - TEXT_BORDER_ROOM) * 2); - + widget->style->xthickness + TEXT_BORDER_ROOM, + widget->style->ythickness + TEXT_BORDER_ROOM, + MAX (1, (gint)widget->allocation.width - (gint)(widget->style->xthickness + + (gint)TEXT_BORDER_ROOM) * 2), + MAX (1, (gint)widget->allocation.height - (gint)(widget->style->ythickness + + (gint)TEXT_BORDER_ROOM) * 2)); + #ifdef USE_XIM - if (editable->ic && (gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition)) + if (old_editable->ic && (gdk_ic_get_style (old_editable->ic) & GDK_IM_PREEDIT_POSITION)) { gint width, height; - GdkRectangle rect; - + gdk_window_get_size (text->text_area, &width, &height); - rect.x = 0; - rect.y = 0; - rect.width = width; - rect.height = height; - gdk_ic_set_attr (editable->ic, "preeditAttributes", "area", &rect, NULL); + old_editable->ic_attr->preedit_area.width = width; + old_editable->ic_attr->preedit_area.height = height; + + gdk_ic_set_attr (old_editable->ic, + old_editable->ic_attr, GDK_IC_PREEDIT_AREA); } #endif - + recompute_geometry (text); } } -static void -gtk_text_draw (GtkWidget *widget, - GdkRectangle *area) -{ - g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_TEXT (widget)); - g_return_if_fail (area != NULL); - - if (GTK_WIDGET_DRAWABLE (widget)) - { - expose_text (GTK_TEXT (widget), area, TRUE); - gtk_widget_draw_focus (widget); - } -} - static gint gtk_text_expose (GtkWidget *widget, GdkEventExpose *event) @@ -1200,7 +1683,7 @@ gtk_text_expose (GtkWidget *widget, g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + if (event->window == GTK_TEXT (widget)->text_area) { TDEBUG (("in gtk_text_expose (expose)\n")); @@ -1211,7 +1694,37 @@ gtk_text_expose (GtkWidget *widget, TDEBUG (("in gtk_text_expose (focus)\n")); gtk_widget_draw_focus (widget); } + + return FALSE; +} + +static gint +gtk_text_scroll_timeout (gpointer data) +{ + GtkText *text; + GdkEventMotion event; + gint x, y; + GdkModifierType mask; + + GDK_THREADS_ENTER (); + + text = GTK_TEXT (data); + + text->timer = 0; + gdk_window_get_pointer (text->text_area, &x, &y, &mask); + + if (mask & (GDK_BUTTON1_MASK | GDK_BUTTON3_MASK)) + { + event.is_hint = 0; + event.x = x; + event.y = y; + event.state = mask; + + gtk_text_motion_notify (GTK_WIDGET (text), &event); + } + GDK_THREADS_LEAVE (); + return FALSE; } @@ -1220,80 +1733,90 @@ gtk_text_button_press (GtkWidget *widget, GdkEventButton *event) { GtkText *text; - GtkEditable *editable; - static GdkAtom ctext_atom = GDK_NONE; - + GtkOldEditable *old_editable; + g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - - if (ctext_atom == GDK_NONE) - ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE); - + text = GTK_TEXT (widget); - editable = GTK_EDITABLE (widget); + old_editable = GTK_OLD_EDITABLE (widget); + + if (text->button && (event->button != text->button)) + return FALSE; + + text->button = event->button; if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); - - if (event->type == GDK_BUTTON_PRESS && event->button != 2) - gtk_grab_add (widget); - + if (event->button == 1) { switch (event->type) { case GDK_BUTTON_PRESS: + gtk_grab_add (widget); + undraw_cursor (text, FALSE); - find_mouse_cursor (text, event->x, event->y); + find_mouse_cursor (text, (gint)event->x, (gint)event->y); draw_cursor (text, FALSE); - - gtk_text_set_selection (GTK_EDITABLE(text), + + /* Set it now, so we display things right. We'll unset it + * later if things don't work out */ + old_editable->has_selection = TRUE; + gtk_text_set_selection (GTK_OLD_EDITABLE (text), text->cursor_mark.index, text->cursor_mark.index); + break; - + case GDK_2BUTTON_PRESS: - gtk_text_select_word (text); + gtk_text_select_word (text, event->time); break; - + case GDK_3BUTTON_PRESS: - gtk_text_select_line (text); + gtk_text_select_line (text, event->time); break; - + default: break; } } else if (event->type == GDK_BUTTON_PRESS) { - if (event->button == 2) + if ((event->button == 2) && old_editable->editable) { - if (editable->selection_start_pos == editable->selection_end_pos || - editable->has_selection) + if (old_editable->selection_start_pos == old_editable->selection_end_pos || + old_editable->has_selection) { undraw_cursor (text, FALSE); - find_mouse_cursor (text, event->x, event->y); + find_mouse_cursor (text, (gint)event->x, (gint)event->y); draw_cursor (text, FALSE); - - editable->current_pos = text->cursor_mark.index; + } - + gtk_selection_convert (widget, GDK_SELECTION_PRIMARY, - ctext_atom, event->time); + gdk_atom_intern ("UTF8_STRING", FALSE), + event->time); } else { + gtk_grab_add (widget); + undraw_cursor (text, FALSE); find_mouse_cursor (text, event->x, event->y); draw_cursor (text, FALSE); - - gtk_text_set_selection (GTK_EDITABLE(text), + + gtk_text_set_selection (GTK_OLD_EDITABLE (text), text->cursor_mark.index, text->cursor_mark.index); + + old_editable->has_selection = FALSE; + if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) + gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } } - + return FALSE; } @@ -1302,31 +1825,43 @@ gtk_text_button_release (GtkWidget *widget, GdkEventButton *event) { GtkText *text; - GtkEditable *editable; + GtkOldEditable *old_editable; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + text = GTK_TEXT (widget); - if (event->button == 1) - { + gtk_grab_remove (widget); + + if (text->button != event->button) + return FALSE; + + text->button = 0; + + if (text->timer) + { + gtk_timeout_remove (text->timer); + text->timer = 0; + } + + if (event->button == 1) + { text = GTK_TEXT (widget); - editable = GTK_EDITABLE (widget); - + old_editable = GTK_OLD_EDITABLE (widget); + gtk_grab_remove (widget); - - editable->has_selection = FALSE; - if (editable->selection_start_pos != editable->selection_end_pos) + + old_editable->has_selection = FALSE; + if (old_editable->selection_start_pos != old_editable->selection_end_pos) { if (gtk_selection_owner_set (widget, GDK_SELECTION_PRIMARY, event->time)) - { - editable->has_selection = TRUE; - gtk_text_update_text (editable, editable->selection_start_pos, - editable->selection_end_pos); - } + old_editable->has_selection = TRUE; + else + gtk_text_update_text (old_editable, old_editable->selection_start_pos, + old_editable->selection_end_pos); } else { @@ -1337,74 +1872,113 @@ gtk_text_button_release (GtkWidget *widget, else if (event->button == 3) { gtk_grab_remove (widget); - if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) - gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } - + + undraw_cursor (text, FALSE); + find_cursor (text, TRUE); + draw_cursor (text, FALSE); + return FALSE; } static gint gtk_text_motion_notify (GtkWidget *widget, - GdkEventMotion *event) + GdkEventMotion *event) { GtkText *text; - gint x; - + gint x, y; + gint height; + GdkModifierType mask; + g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + text = GTK_TEXT (widget); - + x = event->x; + y = event->y; + mask = event->state; if (event->is_hint || (text->text_area != event->window)) - gdk_window_get_pointer (text->text_area, &x, NULL, NULL); - + { + gdk_window_get_pointer (text->text_area, &x, &y, &mask); + } + + if ((text->button == 0) || + !(mask & (GDK_BUTTON1_MASK | GDK_BUTTON3_MASK))) + return FALSE; + + gdk_window_get_size (text->text_area, NULL, &height); + + if ((y < 0) || (y > height)) + { + if (text->timer == 0) + { + text->timer = gtk_timeout_add (SCROLL_TIME, + gtk_text_scroll_timeout, + text); + + if (y < 0) + scroll_int (text, y/2); + else + scroll_int (text, (y - height)/2); + } + else + return FALSE; + } + undraw_cursor (GTK_TEXT (widget), FALSE); - find_mouse_cursor (GTK_TEXT (widget), event->x, event->y); + find_mouse_cursor (GTK_TEXT (widget), x, y); draw_cursor (GTK_TEXT (widget), FALSE); - - gtk_text_set_selection (GTK_EDITABLE(text), - GTK_EDITABLE(text)->selection_start_pos, + + gtk_text_set_selection (GTK_OLD_EDITABLE (text), + GTK_OLD_EDITABLE (text)->selection_start_pos, text->cursor_mark.index); - + return FALSE; } -static void -gtk_text_insert_1_at_point (GtkText* text, gchar key) -{ - gtk_text_insert (text, - MARK_CURRENT_FONT (&text->point), - MARK_CURRENT_FORE (&text->point), - MARK_CURRENT_BACK (&text->point), - &key, 1); -} - static void -gtk_text_insert_text (GtkEditable *editable, +gtk_text_insert_text (GtkOldEditable *old_editable, const gchar *new_text, - guint new_text_length, - guint *position) + gint new_text_length, + gint *position) { - GtkText *text = GTK_TEXT (editable); - + GtkText *text = GTK_TEXT (old_editable); + GdkFont *font; + GdkColor *fore, *back; + + TextProperty *property; + gtk_text_set_point (text, *position); - gtk_text_insert (text, NULL, NULL, NULL, new_text, new_text_length); + + property = MARK_CURRENT_PROPERTY (&text->point); + font = property->flags & PROPERTY_FONT ? property->font->gdk_font : NULL; + fore = property->flags & PROPERTY_FOREGROUND ? &property->fore_color : NULL; + back = property->flags & PROPERTY_BACKGROUND ? &property->back_color : NULL; + gtk_text_insert (text, font, fore, back, new_text, new_text_length); + *position = text->point.index; } static void -gtk_text_delete_text (GtkEditable *editable, - guint start_pos, - guint end_pos) +gtk_text_delete_text (GtkOldEditable *old_editable, + gint start_pos, + gint end_pos) { - GtkText *text = GTK_TEXT (editable); + GtkText *text; + + g_return_if_fail (start_pos >= 0); + + text = GTK_TEXT (old_editable); gtk_text_set_point (text, start_pos); - gtk_text_forward_delete (text, end_pos - start_pos); + if (end_pos < 0) + end_pos = TEXT_LENGTH (text); + + if (end_pos > start_pos) + gtk_text_forward_delete (text, end_pos - start_pos); } static gint @@ -1412,32 +1986,49 @@ gtk_text_key_press (GtkWidget *widget, GdkEventKey *event) { GtkText *text; - GtkEditable *editable; + GtkOldEditable *old_editable; gchar key; gint return_val; - + gint position; + g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + return_val = FALSE; - + text = GTK_TEXT (widget); - editable = GTK_EDITABLE (widget); - + old_editable = GTK_OLD_EDITABLE (widget); + key = event->keyval; return_val = TRUE; - - if (GTK_EDITABLE(text)->editable == FALSE) + + if ((GTK_OLD_EDITABLE(text)->editable == FALSE)) { switch (event->keyval) { - case GDK_Home: scroll_int (text, -text->vadj->value); break; - case GDK_End: scroll_int (text, +text->vadj->upper); break; + case GDK_Home: + if (event->state & GDK_CONTROL_MASK) + scroll_int (text, -text->vadj->value); + else + return_val = FALSE; + break; + case GDK_End: + if (event->state & GDK_CONTROL_MASK) + scroll_int (text, +text->vadj->upper); + else + return_val = FALSE; + break; case GDK_Page_Up: scroll_int (text, -text->vadj->page_increment); break; case GDK_Page_Down: scroll_int (text, +text->vadj->page_increment); break; case GDK_Up: scroll_int (text, -KEY_SCROLL_PIXELS); break; case GDK_Down: scroll_int (text, +KEY_SCROLL_PIXELS); break; + case GDK_Return: + if (event->state & GDK_CONTROL_MASK) + gtk_signal_emit_by_name (GTK_OBJECT (text), "activate"); + else + return_val = FALSE; + break; default: return_val = FALSE; break; @@ -1447,85 +2038,114 @@ gtk_text_key_press (GtkWidget *widget, { gint extend_selection; gint extend_start; - + guint initial_pos = old_editable->current_pos; + text->point = find_mark (text, text->cursor_mark.index); - + extend_selection = event->state & GDK_SHIFT_MASK; extend_start = FALSE; - + if (extend_selection) { - if (editable->selection_start_pos == editable->selection_end_pos) + old_editable->has_selection = TRUE; + + if (old_editable->selection_start_pos == old_editable->selection_end_pos) { - editable->selection_start_pos = text->point.index; - editable->selection_end_pos = text->point.index; + old_editable->selection_start_pos = text->point.index; + old_editable->selection_end_pos = text->point.index; } - extend_start = (text->point.index == editable->selection_start_pos); + extend_start = (text->point.index == old_editable->selection_start_pos); } switch (event->keyval) { - case GDK_Home: move_cursor_buffer_ver (text, -1); break; - case GDK_End: move_cursor_buffer_ver (text, +1); break; + case GDK_Home: + if (event->state & GDK_CONTROL_MASK) + move_cursor_buffer_ver (text, -1); + else + gtk_text_move_beginning_of_line (text); + break; + case GDK_End: + if (event->state & GDK_CONTROL_MASK) + move_cursor_buffer_ver (text, +1); + else + gtk_text_move_end_of_line (text); + break; case GDK_Page_Up: move_cursor_page_ver (text, -1); break; case GDK_Page_Down: move_cursor_page_ver (text, +1); break; + /* CUA has Ctrl-Up/Ctrl-Down as paragraph up down */ case GDK_Up: move_cursor_ver (text, -1); break; case GDK_Down: move_cursor_ver (text, +1); break; - case GDK_Left: move_cursor_hor (text, -1); break; - case GDK_Right: move_cursor_hor (text, +1); break; - + case GDK_Left: + if (event->state & GDK_CONTROL_MASK) + gtk_text_move_backward_word (text); + else + move_cursor_hor (text, -1); + break; + case GDK_Right: + if (event->state & GDK_CONTROL_MASK) + gtk_text_move_forward_word (text); + else + move_cursor_hor (text, +1); + break; + case GDK_BackSpace: - if (editable->selection_start_pos != editable->selection_end_pos) + if (event->state & GDK_CONTROL_MASK) + gtk_text_delete_backward_word (text); + else + gtk_text_delete_backward_character (text); + break; + case GDK_Clear: + gtk_text_delete_line (text); + break; + case GDK_Insert: + if (event->state & GDK_SHIFT_MASK) { - gtk_editable_delete_selection (editable); - break; + extend_selection = FALSE; + gtk_editable_paste_clipboard (GTK_EDITABLE (old_editable)); } - if (text->has_cursor && text->cursor_mark.index != 0) + else if (event->state & GDK_CONTROL_MASK) { - if (event->state & GDK_CONTROL_MASK) - gtk_text_delete_backward_word (text); - else - gtk_text_backward_delete (text, 1); + gtk_editable_copy_clipboard (GTK_EDITABLE (old_editable)); } - break; - case GDK_Delete: - if (editable->selection_start_pos != editable->selection_end_pos) + else { - gtk_editable_delete_selection (editable); - break; + /* gtk_toggle_insert(text) -- IMPLEMENT */ } - if (text->has_cursor && !LAST_INDEX(text, text->cursor_mark)) + break; + case GDK_Delete: + if (event->state & GDK_CONTROL_MASK) + gtk_text_delete_forward_word (text); + else if (event->state & GDK_SHIFT_MASK) { - if (event->state & GDK_CONTROL_MASK) - gtk_text_delete_forward_word (text); - else - gtk_text_forward_delete (text, 1); + extend_selection = FALSE; + gtk_editable_cut_clipboard (GTK_EDITABLE (old_editable)); } + else + gtk_text_delete_forward_character (text); break; case GDK_Tab: - if (!text->has_cursor) - break; - - gtk_text_insert_1_at_point (text, '\t'); + position = text->point.index; + gtk_editable_insert_text (GTK_EDITABLE (old_editable), "\t", 1, &position); break; case GDK_Return: - if (!text->has_cursor) - break; - - gtk_text_insert_1_at_point (text, '\n'); + if (event->state & GDK_CONTROL_MASK) + gtk_signal_emit_by_name (GTK_OBJECT (text), "activate"); + else + { + position = text->point.index; + gtk_editable_insert_text (GTK_EDITABLE (old_editable), "\n", 1, &position); + } break; case GDK_Escape: /* Don't insert literally */ return_val = FALSE; break; - + default: return_val = FALSE; - - if (!text->has_cursor) - break; - + if (event->state & GDK_CONTROL_MASK) { if ((key >= 'A') && (key <= 'Z')) @@ -1533,10 +2153,10 @@ gtk_text_key_press (GtkWidget *widget, if ((key >= 'a') && (key <= 'z') && control_keys[(int) (key - 'a')]) { - (* control_keys[(int) (key - 'a')]) (editable, event); + (* control_keys[(int) (key - 'a')]) (old_editable, event->time); return_val = TRUE; } - + break; } else if (event->state & GDK_MOD1_MASK) @@ -1546,52 +2166,55 @@ gtk_text_key_press (GtkWidget *widget, if ((key >= 'a') && (key <= 'z') && alt_keys[(int) (key - 'a')]) { - (* alt_keys[(int) (key - 'a')]) (editable, event); + (* alt_keys[(int) (key - 'a')]) (old_editable, event->time); return_val = TRUE; } - + break; } else if (event->length > 0) { - if (event->length == 1) - gtk_text_insert_1_at_point (text, event->string[0]); + extend_selection = FALSE; + + gtk_editable_delete_selection (GTK_EDITABLE (old_editable)); + position = text->point.index; + gtk_editable_insert_text (GTK_EDITABLE (old_editable), event->string, event->length, &position); + return_val = TRUE; } else return_val = FALSE; } - editable->current_pos = text->cursor_mark.index; - - if (return_val) + + if (return_val && (old_editable->current_pos != initial_pos)) { if (extend_selection) { - if (editable->current_pos < editable->selection_start_pos) - gtk_text_set_selection (editable, editable->current_pos, - editable->selection_end_pos); - else if (editable->current_pos > editable->selection_end_pos) - gtk_text_set_selection (editable, editable->selection_start_pos, - editable->current_pos); + if (old_editable->current_pos < old_editable->selection_start_pos) + gtk_text_set_selection (old_editable, old_editable->current_pos, + old_editable->selection_end_pos); + else if (old_editable->current_pos > old_editable->selection_end_pos) + gtk_text_set_selection (old_editable, old_editable->selection_start_pos, + old_editable->current_pos); else { if (extend_start) - gtk_text_set_selection (editable, editable->current_pos, - editable->selection_end_pos); + gtk_text_set_selection (old_editable, old_editable->current_pos, + old_editable->selection_end_pos); else - gtk_text_set_selection (editable, editable->selection_start_pos, - editable->current_pos); + gtk_text_set_selection (old_editable, old_editable->selection_start_pos, + old_editable->current_pos); } } else - gtk_text_set_selection (editable, 0, 0); + gtk_text_set_selection (old_editable, 0, 0); - gtk_editable_claim_selection (editable, - editable->selection_start_pos != editable->selection_end_pos, - event->time); + gtk_old_editable_claim_selection (old_editable, + old_editable->selection_start_pos != old_editable->selection_end_pos, + event->time); } } - + return return_val; } @@ -1602,19 +2225,19 @@ gtk_text_focus_in (GtkWidget *widget, g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + TDEBUG (("in gtk_text_focus_in\n")); - + GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); - + #ifdef USE_XIM - if (GTK_EDITABLE(widget)->ic) - gdk_im_begin (GTK_EDITABLE(widget)->ic, GTK_TEXT(widget)->text_area); + if (GTK_OLD_EDITABLE (widget)->ic) + gdk_im_begin (GTK_OLD_EDITABLE (widget)->ic, GTK_TEXT(widget)->text_area); #endif - + draw_cursor (GTK_TEXT(widget), TRUE); - + return FALSE; } @@ -1625,18 +2248,18 @@ gtk_text_focus_out (GtkWidget *widget, g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_TEXT (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + TDEBUG (("in gtk_text_focus_out\n")); - + GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); - + undraw_cursor (GTK_TEXT(widget), TRUE); - + #ifdef USE_XIM gdk_im_end (); #endif - + return FALSE; } @@ -1648,7 +2271,11 @@ gtk_text_adjustment (GtkAdjustment *adjustment, g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment)); g_return_if_fail (text != NULL); g_return_if_fail (GTK_IS_TEXT (text)); - + + /* Just ignore it if we haven't been size-allocated and realized yet */ + if (text->line_start_cache == NULL) + return; + if (adjustment == text->hadj) { g_warning ("horizontal scrolling not implemented"); @@ -1656,18 +2283,18 @@ gtk_text_adjustment (GtkAdjustment *adjustment, else { gint diff = ((gint)adjustment->value) - text->last_ver_value; - + if (diff != 0) { undraw_cursor (text, FALSE); - + if (diff > 0) scroll_down (text, diff); else /* if (diff < 0) */ scroll_up (text, diff); - + draw_cursor (text, FALSE); - + text->last_ver_value = adjustment->value; } } @@ -1683,9 +2310,9 @@ gtk_text_disconnect (GtkAdjustment *adjustment, g_return_if_fail (GTK_IS_TEXT (text)); if (adjustment == text->hadj) - text->hadj = NULL; + gtk_text_set_adjustments (text, NULL, text->vadj); if (adjustment == text->vadj) - text->vadj = NULL; + gtk_text_set_adjustments (text, text->hadj, NULL); } @@ -1693,13 +2320,13 @@ static GtkPropertyMark find_this_line_start_mark (GtkText* text, guint point_position, const GtkPropertyMark* near) { GtkPropertyMark mark; - + mark = find_mark_near (text, point_position, near); - + while (mark.index > 0 && GTK_TEXT_INDEX (text, mark.index - 1) != LINE_DELIM) decrement_mark (&mark); - + return mark; } @@ -1709,7 +2336,7 @@ init_tab_cont (GtkText* text, PrevTabCont* tab_cont) tab_cont->pixel_offset = 0; tab_cont->tab_start.tab_stops = text->tab_stops; tab_cont->tab_start.to_next_tab = (gulong) text->tab_stops->data; - + if (!tab_cont->tab_start.to_next_tab) tab_cont->tab_start.to_next_tab = text->default_tab_width; } @@ -1721,37 +2348,37 @@ line_params_iterate (GtkText* text, gint8 alloc, void* data, LineIteratorFunction iter) - /* mark0 MUST be a real line start. if ALLOC, allocate line params - * from a mem chunk. DATA is passed to ITER_CALL, which is called - * for each line following MARK, iteration continues unless ITER_CALL - * returns TRUE. */ + /* mark0 MUST be a real line start. if ALLOC, allocate line params + * from a mem chunk. DATA is passed to ITER_CALL, which is called + * for each line following MARK, iteration continues unless ITER_CALL + * returns TRUE. */ { GtkPropertyMark mark = *mark0; PrevTabCont tab_conts[2]; LineParams *lp, lpbuf; gint tab_cont_index = 0; - + if (tab_mark0) tab_conts[0] = *tab_mark0; else init_tab_cont (text, tab_conts); - + for (;;) { if (alloc) lp = g_chunk_new (LineParams, params_mem_chunk); else lp = &lpbuf; - + *lp = find_line_params (text, &mark, tab_conts + tab_cont_index, tab_conts + (tab_cont_index + 1) % 2); - + if ((*iter) (text, lp, data)) return; - + if (LAST_INDEX (text, lp->end)) break; - + mark = lp->end; advance_mark (&mark); tab_cont_index = (tab_cont_index + 1) % 2; @@ -1762,29 +2389,29 @@ static gint fetch_lines_iterator (GtkText* text, LineParams* lp, void* data) { FetchLinesData *fldata = (FetchLinesData*) data; - + fldata->new_lines = g_list_prepend (fldata->new_lines, lp); - + switch (fldata->fl_type) { case FetchLinesCount: if (!text->line_wrap || !lp->wraps) fldata->data += 1; - + if (fldata->data >= fldata->data_max) return TRUE; - + break; case FetchLinesPixels: - + fldata->data += LINE_HEIGHT(*lp); - + if (fldata->data >= fldata->data_max) return TRUE; - + break; } - + return FALSE; } @@ -1796,14 +2423,14 @@ fetch_lines (GtkText* text, gint data) { FetchLinesData fl_data; - + fl_data.new_lines = NULL; fl_data.data = 0; fl_data.data_max = data; fl_data.fl_type = fl_type; - + line_params_iterate (text, mark0, tab_cont0, TRUE, &fl_data, fetch_lines_iterator); - + return g_list_reverse (fl_data.new_lines); } @@ -1811,16 +2438,20 @@ static void fetch_lines_backward (GtkText* text) { GList* new_lines = NULL, *new_line_start; - - GtkPropertyMark mark = find_this_line_start_mark (text, - CACHE_DATA(text->line_start_cache).start.index - 1, - &CACHE_DATA(text->line_start_cache).start); - + GtkPropertyMark mark; + + if (CACHE_DATA(text->line_start_cache).start.index == 0) + return; + + mark = find_this_line_start_mark (text, + CACHE_DATA(text->line_start_cache).start.index - 1, + &CACHE_DATA(text->line_start_cache).start); + new_line_start = new_lines = fetch_lines (text, &mark, NULL, FetchLinesCount, 1); - + while (new_line_start->next) new_line_start = new_line_start->next; - + new_line_start->next = text->line_start_cache; text->line_start_cache->prev = new_line_start; } @@ -1830,19 +2461,19 @@ fetch_lines_forward (GtkText* text, gint line_count) { GtkPropertyMark mark; GList* line = text->line_start_cache; - + while(line->next) line = line->next; - + mark = CACHE_DATA(line).end; - + if (LAST_INDEX (text, mark)) return; - + advance_mark(&mark); - + line->next = fetch_lines (text, &mark, &CACHE_DATA(line).tab_cont_next, FetchLinesCount, line_count); - + if (line->next) line->next->prev = line; } @@ -1851,32 +2482,33 @@ fetch_lines_forward (GtkText* text, gint line_count) * starting from the point */ static void -compute_lines_pixels (GtkText* text, gint char_count, +compute_lines_pixels (GtkText* text, guint char_count, guint *lines, guint *pixels) { GList *line = text->current_line; - + gint chars_left = char_count; + *lines = 0; *pixels = 0; - - /* If char_count == 0, that means we're joining two lines in a + + /* If chars_left == 0, that means we're joining two lines in a * deletion, so add in the values for the next line as well */ - for (; line && char_count >= 0; line = line->next) + for (; line && chars_left >= 0; line = line->next) { *pixels += LINE_HEIGHT(CACHE_DATA(line)); - + if (line == text->current_line) - char_count -= CACHE_DATA(line).end.index - text->point.index + 1; + chars_left -= CACHE_DATA(line).end.index - text->point.index + 1; else - char_count -= CACHE_DATA(line).end.index -CACHE_DATA(line).end.index + 1; - + chars_left -= CACHE_DATA(line).end.index - CACHE_DATA(line).start.index + 1; + if (!text->line_wrap || !CACHE_DATA(line).wraps) *lines += 1; else - if (char_count < 0) - char_count = 0; /* force another loop */ - + if (chars_left < 0) + chars_left = 0; /* force another loop */ + if (!line->next) fetch_lines_forward (text, 1); } @@ -1886,70 +2518,70 @@ static gint total_line_height (GtkText* text, GList* line, gint line_count) { gint height = 0; - + for (; line && line_count > 0; line = line->next) { height += LINE_HEIGHT(CACHE_DATA(line)); - + if (!text->line_wrap || !CACHE_DATA(line).wraps) line_count -= 1; - + if (!line->next) fetch_lines_forward (text, line_count); } - + return height; } static void -swap_lines (GtkText* text, GList* old, GList* new, gint old_line_count) +swap_lines (GtkText* text, GList* old, GList* new, guint old_line_count) { if (old == text->line_start_cache) { GList* last; - + for (; old_line_count > 0; old_line_count -= 1) { while (text->line_start_cache && text->line_wrap && CACHE_DATA(text->line_start_cache).wraps) remove_cache_line(text, text->line_start_cache); - + remove_cache_line(text, text->line_start_cache); } - + last = g_list_last (new); - + last->next = text->line_start_cache; - + if (text->line_start_cache) text->line_start_cache->prev = last; - + text->line_start_cache = new; } else { GList *last; - + g_assert (old->prev); - + last = old->prev; - + for (; old_line_count > 0; old_line_count -= 1) { while (old && text->line_wrap && CACHE_DATA(old).wraps) old = remove_cache_line (text, old); - + old = remove_cache_line (text, old); } - + last->next = new; new->prev = last; - + last = g_list_last (new); - + last->next = old; - + if (old) old->prev = last; } @@ -1960,97 +2592,115 @@ correct_cache_delete (GtkText* text, gint nchars, gint lines) { GList* cache = text->current_line; gint i; - + for (i = 0; cache && i < lines; i += 1, cache = cache->next) /* nothing */; - + for (; cache; cache = cache->next) { GtkPropertyMark *start = &CACHE_DATA(cache).start; GtkPropertyMark *end = &CACHE_DATA(cache).end; - + start->index -= nchars; end->index -= nchars; - - if (start->property == text->point.property) + + if (LAST_INDEX (text, text->point) && + start->index == text->point.index) + *start = text->point; + else if (start->property == text->point.property) start->offset = start->index - (text->point.index - text->point.offset); - + + if (LAST_INDEX (text, text->point) && + end->index == text->point.index) + *end = text->point; if (end->property == text->point.property) end->offset = end->index - (text->point.index - text->point.offset); - + /*TEXT_ASSERT_MARK(text, start, "start");*/ /*TEXT_ASSERT_MARK(text, end, "end");*/ } } static void -delete_expose (GtkText* text, gint nchars, guint old_lines, guint old_pixels) +delete_expose (GtkText* text, guint nchars, guint old_lines, guint old_pixels) { + GtkWidget *widget = GTK_WIDGET (text); + gint pixel_height; guint new_pixels = 0; GdkRectangle rect; GList* new_line = NULL; gint width, height; - + text->cursor_virtual_x = 0; - - undraw_cursor (text, FALSE); - + correct_cache_delete (text, nchars, old_lines); - + pixel_height = pixel_height_of(text, text->current_line) - - LINE_HEIGHT(CACHE_DATA(text->current_line)); - + LINE_HEIGHT(CACHE_DATA(text->current_line)); + if (CACHE_DATA(text->current_line).start.index == text->point.index) CACHE_DATA(text->current_line).start = text->point; - + new_line = fetch_lines (text, &CACHE_DATA(text->current_line).start, &CACHE_DATA(text->current_line).tab_cont, FetchLinesCount, 1); - + swap_lines (text, text->current_line, new_line, old_lines); - + text->current_line = new_line; - + new_pixels = total_line_height (text, new_line, 1); - + gdk_window_get_size (text->text_area, &width, &height); - + if (old_pixels != new_pixels) { - gdk_draw_pixmap (text->text_area, - text->gc, - text->text_area, - 0, - pixel_height + old_pixels, - 0, - pixel_height + new_pixels, - width, - height); - + if (!widget->style->bg_pixmap[GTK_STATE_NORMAL]) + { + gdk_draw_pixmap (text->text_area, + text->gc, + text->text_area, + 0, + pixel_height + old_pixels, + 0, + pixel_height + new_pixels, + width, + height); + } text->vadj->upper += new_pixels; text->vadj->upper -= old_pixels; adjust_adj (text, text->vadj); } - + rect.x = 0; rect.y = pixel_height; rect.width = width; rect.height = new_pixels; - + expose_text (text, &rect, FALSE); gtk_text_draw_focus ( (GtkWidget *) text); - + text->cursor_mark = text->point; - - find_cursor (text); - - draw_cursor (text, FALSE); - + + find_cursor (text, TRUE); + if (old_pixels != new_pixels) - process_exposes (text); + { + if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) + { + rect.x = 0; + rect.y = pixel_height + new_pixels; + rect.width = width; + rect.height = height - rect.y; + + expose_text (text, &rect, FALSE); + } + else + process_exposes (text); + } TEXT_ASSERT (text); TEXT_SHOW(text); @@ -2060,29 +2710,96 @@ delete_expose (GtkText* text, gint nchars, guint old_lines, guint old_pixels) static void correct_cache_insert (GtkText* text, gint nchars) { - GList* cache = text->current_line->next; + GList *cache; + GtkPropertyMark *start; + GtkPropertyMark *end; + gboolean was_split = FALSE; + + /* We need to distinguish whether the property was split in the + * insert or not, so we check if the point (which points after + * the insertion here), points to the same character as the + * point before. Ugh. + */ + if (nchars > 0) + { + GtkPropertyMark tmp_mark = text->point; + move_mark_n (&tmp_mark, -1); + + if (tmp_mark.property != text->point.property) + was_split = TRUE; + } + + /* If we inserted a property exactly at the beginning of the + * line, we have to correct here, or fetch_lines will + * fetch junk. + */ + start = &CACHE_DATA(text->current_line).start; + /* Check if if we split exactly at the beginning of the line: + * (was_split won't be set if we are inserting at the end of the text, + * so we don't check) + */ + if (start->offset == MARK_CURRENT_PROPERTY (start)->length) + SET_PROPERTY_MARK (start, start->property->next, 0); + /* Check if we inserted a property at the beginning of the text: */ + else if (was_split && + (start->property == text->point.property) && + (start->index == text->point.index - nchars)) + SET_PROPERTY_MARK (start, start->property->prev, 0); + + /* Now correct the offsets, and check for start or end marks that + * are after the point, yet point to a property before the point's + * property. This indicates that they are meant to point to the + * second half of a property we split in insert_text_property(), so + * we fix them up that way. + */ + cache = text->current_line->next; + for (; cache; cache = cache->next) { - GtkPropertyMark *start = &CACHE_DATA(cache).start; - GtkPropertyMark *end = &CACHE_DATA(cache).end; - - if (start->index >= text->point.index - nchars) + start = &CACHE_DATA(cache).start; + end = &CACHE_DATA(cache).end; + + if (LAST_INDEX (text, text->point) && + start->index == text->point.index) + *start = text->point; + else if (start->index >= text->point.index - nchars) { - if (start->property == text->point.property) + if (!was_split && start->property == text->point.property) move_mark_n(start, nchars); else - start->index += nchars; + { + if (start->property->next && + (start->property->next->next == text->point.property)) + { + g_assert (start->offset >= MARK_CURRENT_PROPERTY (start)->length); + start->offset -= MARK_CURRENT_PROPERTY (start)->length; + start->property = text->point.property; + } + start->index += nchars; + } } - + + if (LAST_INDEX (text, text->point) && + end->index == text->point.index) + *end = text->point; if (end->index >= text->point.index - nchars) { - if (end->property == text->point.property) + if (!was_split && end->property == text->point.property) move_mark_n(end, nchars); - else - end->index += nchars; + else + { + if (end->property->next && + (end->property->next->next == text->point.property)) + { + g_assert (end->offset >= MARK_CURRENT_PROPERTY (end)->length); + end->offset -= MARK_CURRENT_PROPERTY (end)->length; + end->property = text->point.property; + } + end->index += nchars; + } } - + /*TEXT_ASSERT_MARK(text, start, "start");*/ /*TEXT_ASSERT_MARK(text, end, "end");*/ } @@ -2093,166 +2810,328 @@ static void insert_expose (GtkText* text, guint old_pixels, gint nchars, guint new_line_count) { + GtkWidget *widget = GTK_WIDGET (text); + gint pixel_height; guint new_pixels = 0; GdkRectangle rect; GList* new_lines = NULL; gint width, height; - + text->cursor_virtual_x = 0; - + undraw_cursor (text, FALSE); - + correct_cache_insert (text, nchars); - + TEXT_SHOW_ADJ (text, text->vadj, "vadj"); - + pixel_height = pixel_height_of(text, text->current_line) - - LINE_HEIGHT(CACHE_DATA(text->current_line)); - + LINE_HEIGHT(CACHE_DATA(text->current_line)); + new_lines = fetch_lines (text, &CACHE_DATA(text->current_line).start, &CACHE_DATA(text->current_line).tab_cont, FetchLinesCount, new_line_count); - + swap_lines (text, text->current_line, new_lines, 1); - + text->current_line = new_lines; - + new_pixels = total_line_height (text, new_lines, new_line_count); - + gdk_window_get_size (text->text_area, &width, &height); - + if (old_pixels != new_pixels) { - gdk_draw_pixmap (text->text_area, - text->gc, - text->text_area, - 0, - pixel_height + old_pixels, - 0, - pixel_height + new_pixels, - width, - height + (old_pixels - new_pixels) - pixel_height); - + if (!widget->style->bg_pixmap[GTK_STATE_NORMAL]) + { + gdk_draw_pixmap (text->text_area, + text->gc, + text->text_area, + 0, + pixel_height + old_pixels, + 0, + pixel_height + new_pixels, + width, + height + (old_pixels - new_pixels) - pixel_height); + + } text->vadj->upper += new_pixels; text->vadj->upper -= old_pixels; adjust_adj (text, text->vadj); } - + rect.x = 0; rect.y = pixel_height; rect.width = width; rect.height = new_pixels; - + expose_text (text, &rect, FALSE); gtk_text_draw_focus ( (GtkWidget *) text); - + text->cursor_mark = text->point; - - find_cursor (text); - + + find_cursor (text, TRUE); + draw_cursor (text, FALSE); - + if (old_pixels != new_pixels) - process_exposes (text); - + { + if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) + { + rect.x = 0; + rect.y = pixel_height + new_pixels; + rect.width = width; + rect.height = height - rect.y; + + expose_text (text, &rect, FALSE); + } + else + process_exposes (text); + } + TEXT_SHOW_ADJ (text, text->vadj, "vadj"); TEXT_ASSERT (text); TEXT_SHOW(text); } +/* Text property functions */ + static guint -font_hash (gpointer font) +font_hash (gconstpointer font) { - return gdk_font_id ((GdkFont*) font); + return gdk_font_id ((const GdkFont*) font); } -static TextFont* +static GHashTable *font_cache_table = NULL; + +static GtkTextFont* get_text_font (GdkFont* gfont) { - static GHashTable *font_cache_table = NULL; - TextFont* tf; - gpointer lu; + GtkTextFont* tf; gint i; - + if (!font_cache_table) - font_cache_table = g_hash_table_new (font_hash, (GCompareFunc) gdk_font_equal); - - lu = g_hash_table_lookup (font_cache_table, gfont); - - if (lu) - return (TextFont*)lu; + font_cache_table = g_hash_table_new (font_hash, (GEqualFunc) gdk_font_equal); + + tf = g_hash_table_lookup (font_cache_table, gfont); + + if (tf) + { + tf->ref_count++; + return tf; + } - tf = g_new (TextFont, 1); + tf = g_new (GtkTextFont, 1); + tf->ref_count = 1; tf->gdk_font = gfont; - + gdk_font_ref (gfont); + for(i = 0; i < 256; i += 1) tf->char_widths[i] = gdk_char_width (gfont, (char)i); - + g_hash_table_insert (font_cache_table, gfont, tf); - + return tf; } +static void +text_font_unref (GtkTextFont *text_font) +{ + text_font->ref_count--; + if (text_font->ref_count == 0) + { + g_hash_table_remove (font_cache_table, text_font->gdk_font); + gdk_font_unref (text_font->gdk_font); + g_free (text_font); + } +} + static gint text_properties_equal (TextProperty* prop, GdkFont* font, GdkColor *fore, GdkColor *back) { - return prop->font == get_text_font(font) && - gdk_color_equal(&prop->fore_color, fore) && - gdk_color_equal(&prop->back_color, back); + if (prop->flags & PROPERTY_FONT) + { + gboolean retval; + GtkTextFont *text_font; + + if (!font) + return FALSE; + + text_font = get_text_font (font); + + retval = (prop->font == text_font); + text_font_unref (text_font); + + if (!retval) + return FALSE; + } + else + if (font != NULL) + return FALSE; + + if (prop->flags & PROPERTY_FOREGROUND) + { + if (!fore || !gdk_color_equal (&prop->fore_color, fore)) + return FALSE; + } + else + if (fore != NULL) + return FALSE; + + if (prop->flags & PROPERTY_BACKGROUND) + { + if (!back || !gdk_color_equal (&prop->back_color, back)) + return FALSE; + } + else + if (back != NULL) + return FALSE; + + return TRUE; +} + +static void +realize_property (GtkText *text, TextProperty *prop) +{ + GdkColormap *colormap = gtk_widget_get_colormap (GTK_WIDGET (text)); + + if (prop->flags & PROPERTY_FOREGROUND) + gdk_colormap_alloc_color (colormap, &prop->fore_color, FALSE, FALSE); + + if (prop->flags & PROPERTY_BACKGROUND) + gdk_colormap_alloc_color (colormap, &prop->back_color, FALSE, FALSE); +} + +static void +realize_properties (GtkText *text) +{ + GList *tmp_list = text->text_properties; + + while (tmp_list) + { + realize_property (text, tmp_list->data); + + tmp_list = tmp_list->next; + } +} + +static void +unrealize_property (GtkText *text, TextProperty *prop) +{ + GdkColormap *colormap = gtk_widget_get_colormap (GTK_WIDGET (text)); + + if (prop->flags & PROPERTY_FOREGROUND) + gdk_colormap_free_colors (colormap, &prop->fore_color, 1); + + if (prop->flags & PROPERTY_BACKGROUND) + gdk_colormap_free_colors (colormap, &prop->back_color, 1); +} + +static void +unrealize_properties (GtkText *text) +{ + GList *tmp_list = text->text_properties; + + while (tmp_list) + { + unrealize_property (text, tmp_list->data); + + tmp_list = tmp_list->next; + } } static TextProperty* -new_text_property (GdkFont* font, GdkColor* fore, GdkColor* back, guint length) +new_text_property (GtkText *text, GdkFont *font, GdkColor* fore, + GdkColor* back, guint length) { TextProperty *prop; - + if (text_property_chunk == NULL) { text_property_chunk = g_mem_chunk_new ("text property mem chunk", sizeof(TextProperty), 1024*sizeof(TextProperty), - G_ALLOC_ONLY); + G_ALLOC_AND_FREE); } - + prop = g_chunk_new(TextProperty, text_property_chunk); - prop->font = get_text_font (font); - prop->fore_color = *fore; + prop->flags = 0; + if (font) + { + prop->flags |= PROPERTY_FONT; + prop->font = get_text_font (font); + } + else + prop->font = NULL; + + if (fore) + { + prop->flags |= PROPERTY_FOREGROUND; + prop->fore_color = *fore; + } + if (back) - prop->back_color = *back; + { + prop->flags |= PROPERTY_BACKGROUND; + prop->back_color = *back; + } + prop->length = length; + if (GTK_WIDGET_REALIZED (text)) + realize_property (text, prop); + return prop; } +static void +destroy_text_property (TextProperty *prop) +{ + if (prop->font) + text_font_unref (prop->font); + + g_mem_chunk_free (text_property_chunk, prop); +} + /* Flop the memory between the point and the gap around like a * dead fish. */ static void -move_gap_to_point (GtkText* text) +move_gap (GtkText* text, guint index) { - if (text->gap_position < text->point.index) + if (text->gap_position < index) { - gint diff = text->point.index - text->gap_position; - - g_memmove (text->text + text->gap_position, - text->text + text->gap_position + text->gap_size, - diff); - - text->gap_position = text->point.index; + gint diff = index - text->gap_position; + + if (text->use_wchar) + g_memmove (text->text.wc + text->gap_position, + text->text.wc + text->gap_position + text->gap_size, + diff*sizeof (GdkWChar)); + else + g_memmove (text->text.ch + text->gap_position, + text->text.ch + text->gap_position + text->gap_size, + diff); + + text->gap_position = index; } - else if (text->gap_position > text->point.index) + else if (text->gap_position > index) { - gint diff = text->gap_position - text->point.index; - - g_memmove (text->text + text->point.index + text->gap_size, - text->text + text->point.index, - diff); - - text->gap_position = text->point.index; + gint diff = text->gap_position - index; + + if (text->use_wchar) + g_memmove (text->text.wc + index + text->gap_size, + text->text.wc + index, + diff*sizeof (GdkWChar)); + else + g_memmove (text->text.ch + index + text->gap_size, + text->text.ch + index, + diff); + + text->gap_position = index; } } @@ -2263,20 +3142,31 @@ make_forward_space (GtkText* text, guint len) if (text->gap_size < len) { guint sum = MAX(2*len, MIN_GAP_SIZE) + text->text_end; - + if (sum >= text->text_len) { guint i = 1; - + while (i <= sum) i <<= 1; - - text->text = (guchar*)g_realloc(text->text, i); + + if (text->use_wchar) + text->text.wc = (GdkWChar *)g_realloc(text->text.wc, + i*sizeof(GdkWChar)); + else + text->text.ch = (guchar *)g_realloc(text->text.ch, i); + text->text_len = i; } - - g_memmove (text->text + text->gap_position + text->gap_size + 2*len, - text->text + text->gap_position + text->gap_size, - text->text_end - (text->gap_position + text->gap_size)); - + + if (text->use_wchar) + g_memmove (text->text.wc + text->gap_position + text->gap_size + 2*len, + text->text.wc + text->gap_position + text->gap_size, + (text->text_end - (text->gap_position + text->gap_size)) + *sizeof(GdkWChar)); + else + g_memmove (text->text.ch + text->gap_position + text->gap_size + 2*len, + text->text.ch + text->gap_position + text->gap_size, + text->text_end - (text->gap_position + text->gap_size)); + text->text_end += len*2; text->gap_size += len*2; } @@ -2294,17 +3184,17 @@ insert_text_property (GtkText* text, GdkFont* font, GtkPropertyMark *mark = &text->point; TextProperty* forward_prop = MARK_CURRENT_PROPERTY(mark); TextProperty* backward_prop = MARK_PREV_PROPERTY(mark); - + if (MARK_OFFSET(mark) == 0) { /* Point is on the boundary of two properties. * If it is the same as either, grow, else insert * a new one. */ - + if (text_properties_equal(forward_prop, font, fore, back)) { /* Grow the property in front of us. */ - + MARK_PROPERTY_LENGTH(mark) += len; } else if (backward_prop && @@ -2312,33 +3202,69 @@ insert_text_property (GtkText* text, GdkFont* font, { /* Grow property behind us, point property and offset * change. */ - + SET_PROPERTY_MARK (&text->point, MARK_PREV_LIST_PTR (mark), backward_prop->length); - + backward_prop->length += len; } + else if ((MARK_NEXT_LIST_PTR(mark) == NULL) && + (forward_prop->length == 1)) + { + /* Next property just has last position, take it over */ + + if (GTK_WIDGET_REALIZED (text)) + unrealize_property (text, forward_prop); + + forward_prop->flags = 0; + if (font) + { + forward_prop->flags |= PROPERTY_FONT; + forward_prop->font = get_text_font (font); + } + else + forward_prop->font = NULL; + + if (fore) + { + forward_prop->flags |= PROPERTY_FOREGROUND; + forward_prop->fore_color = *fore; + } + if (back) + { + forward_prop->flags |= PROPERTY_BACKGROUND; + forward_prop->back_color = *back; + } + forward_prop->length += len; + + if (GTK_WIDGET_REALIZED (text)) + realize_property (text, forward_prop); + } else { /* Splice a new property into the list. */ - + GList* new_prop = g_list_alloc(); - + new_prop->next = MARK_LIST_PTR(mark); new_prop->prev = MARK_PREV_LIST_PTR(mark); new_prop->next->prev = new_prop; - + if (new_prop->prev) new_prop->prev->next = new_prop; - new_prop->data = new_text_property (font, fore, back, len); + new_prop->data = new_text_property (text, font, fore, back, len); SET_PROPERTY_MARK (mark, new_prop, 0); } } else { + /* The following will screw up the line_start cache, + * we'll fix it up in correct_cache_insert + */ + /* In the middle of forward_prop, if properties are equal, * just add to its length, else split it into two and splice * in a new one. */ @@ -2346,43 +3272,64 @@ insert_text_property (GtkText* text, GdkFont* font, { forward_prop->length += len; } + else if ((MARK_NEXT_LIST_PTR(mark) == NULL) && + (MARK_OFFSET(mark) + 1 == forward_prop->length)) + { + /* Inserting before only the last position in the text */ + + GList* new_prop; + forward_prop->length -= 1; + + new_prop = g_list_alloc(); + new_prop->data = new_text_property (text, font, fore, back, len+1); + new_prop->prev = MARK_LIST_PTR(mark); + new_prop->next = NULL; + MARK_NEXT_LIST_PTR(mark) = new_prop; + + SET_PROPERTY_MARK (mark, new_prop, 0); + } else { GList* new_prop = g_list_alloc(); GList* new_prop_forward = g_list_alloc(); gint old_length = forward_prop->length; GList* next = MARK_NEXT_LIST_PTR(mark); - + /* Set the new lengths according to where they are split. Construct * two new properties. */ forward_prop->length = MARK_OFFSET(mark); - new_prop_forward->data = new_text_property(forward_prop->font->gdk_font, - fore, - back, - old_length - forward_prop->length); + new_prop_forward->data = + new_text_property(text, + forward_prop->flags & PROPERTY_FONT ? + forward_prop->font->gdk_font : NULL, + forward_prop->flags & PROPERTY_FOREGROUND ? + &forward_prop->fore_color : NULL, + forward_prop->flags & PROPERTY_BACKGROUND ? + &forward_prop->back_color : NULL, + old_length - forward_prop->length); - new_prop->data = new_text_property(font, fore, back, len); + new_prop->data = new_text_property(text, font, fore, back, len); /* Now splice things in. */ MARK_NEXT_LIST_PTR(mark) = new_prop; new_prop->prev = MARK_LIST_PTR(mark); - + new_prop->next = new_prop_forward; new_prop_forward->prev = new_prop; - + new_prop_forward->next = next; - + if (next) next->prev = new_prop_forward; - + SET_PROPERTY_MARK (mark, new_prop, 0); } } - + while (text->text_properties_end->next) text->text_properties_end = text->text_properties_end->next; - + while (text->text_properties->prev) text->text_properties = text->text_properties->prev; } @@ -2391,32 +3338,54 @@ static void delete_text_property (GtkText* text, guint nchars) { /* Delete nchars forward from point. */ + + /* Deleting text properties is problematical, because we + * might be storing around marks pointing to a property. + * + * The marks in question and how we handle them are: + * + * point: We know the new value, since it will be at the + * end of the deleted text, and we move it there + * first. + * cursor: We just remove the mark and set it equal to the + * point after the operation. + * line-start cache: We replace most affected lines. + * The current line gets used to fetch the new + * lines so, if necessary, (delete at the beginning + * of a line) we fix it up by setting it equal to the + * point. + */ + TextProperty *prop; GList *tmp; gint is_first; - + for(; nchars; nchars -= 1) { prop = MARK_CURRENT_PROPERTY(&text->point); - + prop->length -= 1; - + if (prop->length == 0) { tmp = MARK_LIST_PTR (&text->point); - + is_first = tmp == text->text_properties; - + MARK_LIST_PTR (&text->point) = g_list_remove_link (tmp, tmp); text->point.offset = 0; - g_mem_chunk_free (text_property_chunk, prop); + if (GTK_WIDGET_REALIZED (text)) + unrealize_property (text, prop); + destroy_text_property (prop); + g_list_free_1 (tmp); + prop = MARK_CURRENT_PROPERTY (&text->point); - + if (is_first) text->text_properties = MARK_LIST_PTR (&text->point); - + g_assert (prop->length != 0); } else if (prop->length == text->point.offset) @@ -2425,26 +3394,44 @@ delete_text_property (GtkText* text, guint nchars) text->point.offset = 0; } } + + /* Check to see if we have just the single final position remaining + * along in a property; if so, combine it with the previous property + */ + if (LAST_INDEX (text, text->point) && + (MARK_OFFSET (&text->point) == 0) && + (MARK_PREV_LIST_PTR(&text->point) != NULL)) + { + tmp = MARK_LIST_PTR (&text->point); + prop = MARK_CURRENT_PROPERTY(&text->point); + + MARK_LIST_PTR (&text->point) = MARK_PREV_LIST_PTR (&text->point); + MARK_CURRENT_PROPERTY(&text->point)->length += 1; + MARK_NEXT_LIST_PTR(&text->point) = NULL; + + text->point.offset = MARK_CURRENT_PROPERTY(&text->point)->length - 1; + + if (GTK_WIDGET_REALIZED (text)) + unrealize_property (text, prop); + + destroy_text_property (prop); + g_list_free_1 (tmp); + } } static void init_properties (GtkText *text) { - GtkWidget *widget = (GtkWidget *)text; - if (!text->text_properties) { text->text_properties = g_list_alloc(); text->text_properties->next = NULL; text->text_properties->prev = NULL; - text->text_properties->data = new_text_property (widget->style->font, - &widget->style->text[GTK_STATE_NORMAL], - &widget->style->base[GTK_STATE_NORMAL], - 1); + text->text_properties->data = new_text_property (text, NULL, NULL, NULL, 1); text->text_properties_end = text->text_properties; - + SET_PROPERTY_MARK (&text->point, text->text_properties, 0); - + text->point.index = 0; } } @@ -2463,24 +3450,13 @@ move_mark_n (GtkPropertyMark* mark, gint n) decrement_mark_n(mark, -n); } -static void -advance_mark_n (GtkPropertyMark* mark, gint n) -{ - gint i; - - g_assert (n > 0); - - for (i = 0; i < n; i += 1) - advance_mark (mark); -} - static void advance_mark (GtkPropertyMark* mark) { TextProperty* prop = MARK_CURRENT_PROPERTY (mark); - + mark->index += 1; - + if (prop->length > mark->offset + 1) mark->offset += 1; else @@ -2490,11 +3466,42 @@ advance_mark (GtkPropertyMark* mark) } } +static void +advance_mark_n (GtkPropertyMark* mark, gint n) +{ + gint i; + TextProperty* prop; + + g_assert (n > 0); + + i = 0; /* otherwise it migth not be init. */ + prop = MARK_CURRENT_PROPERTY(mark); + + if ((prop->length - mark->offset - 1) < n) { /* if we need to change prop. */ + /* to make it easier */ + n += (mark->offset); + mark->index -= mark->offset; + mark->offset = 0; + /* first we take seven-mile-leaps to get to the right text + * property. */ + while ((n-i) > prop->length - 1) { + i += prop->length; + mark->index += prop->length; + mark->property = MARK_NEXT_LIST_PTR (mark); + prop = MARK_CURRENT_PROPERTY (mark); + } + } + + /* and then the rest */ + mark->index += n - i; + mark->offset += n - i; +} + static void decrement_mark (GtkPropertyMark* mark) { mark->index -= 1; - + if (mark->offset > 0) mark->offset -= 1; else @@ -2507,25 +3514,28 @@ decrement_mark (GtkPropertyMark* mark) static void decrement_mark_n (GtkPropertyMark* mark, gint n) { - gint i; - g_assert (n > 0); - for (i = 0; i < n; i += 1) - decrement_mark (mark); -} + while (mark->offset < n) { + /* jump to end of prev */ + n -= mark->offset + 1; + mark->index -= mark->offset + 1; + mark->property = MARK_PREV_LIST_PTR (mark); + mark->offset = MARK_CURRENT_PROPERTY (mark)->length - 1; + } + /* and the rest */ + mark->index -= n; + mark->offset -= n; +} + static GtkPropertyMark find_mark (GtkText* text, guint mark_position) { return find_mark_near (text, mark_position, &text->point); } -/* This can be optimized in two ways. - * First, advances can be made in units of the current TextProperty - * length, when possible. This will reduce computation and function - * call overhead. - * +/* * You can also start from the end, what a drag. */ static GtkPropertyMark @@ -2533,19 +3543,19 @@ find_mark_near (GtkText* text, guint mark_position, const GtkPropertyMark* near) { gint diffa; gint diffb; - + GtkPropertyMark mark; - + if (!near) diffa = mark_position + 1; else diffa = mark_position - near->index; - + diffb = mark_position; - + if (diffa < 0) diffa = -diffa; - + if (diffa <= diffb) { mark = *near; @@ -2557,51 +3567,47 @@ find_mark_near (GtkText* text, guint mark_position, const GtkPropertyMark* near) mark.offset = 0; } - if (mark.index > mark_position) - { - while (mark.index > mark_position) - decrement_mark (&mark); - } - else - { - while (mark_position > mark.index) - advance_mark (&mark); - } - + move_mark_n (&mark, mark_position - mark.index); + return mark; } +/* This routine must be called with scroll == FALSE, only when + * point is at least partially on screen + */ + static void -find_line_containing_point (GtkText* text, guint point) +find_line_containing_point (GtkText* text, guint point, + gboolean scroll) { GList* cache; gint height; - + text->current_line = NULL; - if (!text->line_start_cache->next) - { - /* @@@ Its visible, right? */ - text->current_line = text->line_start_cache; - return; - } + TEXT_SHOW (text); + + /* Scroll backwards until the point is on screen + */ + while (CACHE_DATA(text->line_start_cache).start.index > point) + scroll_int (text, - LINE_HEIGHT(CACHE_DATA(text->line_start_cache))); - while ( ( (text->first_cut_pixels != 0) && - (CACHE_DATA(text->line_start_cache->next).start.index > point) ) || - ( (text->first_cut_pixels == 0) && - (CACHE_DATA(text->line_start_cache).start.index > point) ) ) + /* Now additionally try to make sure that the point is fully on screen + */ + if (scroll) { - scroll_int (text, - SCROLL_PIXELS); - g_assert (text->line_start_cache->next); + while (text->first_cut_pixels != 0 && + text->line_start_cache->next && + CACHE_DATA(text->line_start_cache->next).start.index > point) + scroll_int (text, - LINE_HEIGHT(CACHE_DATA(text->line_start_cache->next))); } - TEXT_SHOW (text); gdk_window_get_size (text->text_area, NULL, &height); - + for (cache = text->line_start_cache; cache; cache = cache->next) { guint lph; - + if (CACHE_DATA(cache).end.index >= point || LAST_INDEX(text, CACHE_DATA(cache).end)) { @@ -2609,20 +3615,29 @@ find_line_containing_point (GtkText* text, guint point) * important side effect. */ return; } - + TEXT_SHOW_LINE (text, cache, "cache"); - - lph = pixel_height_of (text, cache->next); - - while (lph > height || lph == 0) + + if (cache->next == NULL) + fetch_lines_forward (text, 1); + + if (scroll) { - TEXT_SHOW_LINE (text, cache, "cache"); - TEXT_SHOW_LINE (text, cache->next, "cache->next"); - scroll_int (text, LINE_HEIGHT(CACHE_DATA(cache->next))); lph = pixel_height_of (text, cache->next); + + /* Scroll the bottom of the line is on screen, or until + * the line is the first onscreen line. + */ + while (cache->next != text->line_start_cache && lph > height) + { + TEXT_SHOW_LINE (text, cache, "cache"); + TEXT_SHOW_LINE (text, cache->next, "cache->next"); + scroll_int (text, LINE_HEIGHT(CACHE_DATA(cache->next))); + lph = pixel_height_of (text, cache->next); + } } } - + g_assert_not_reached (); /* Must set text->current_line here */ } @@ -2631,16 +3646,16 @@ pixel_height_of (GtkText* text, GList* cache_line) { gint pixels = - text->first_cut_pixels; GList *cache = text->line_start_cache; - + while (TRUE) { pixels += LINE_HEIGHT (CACHE_DATA(cache)); - + if (cache->data == cache_line->data) break; - + cache = cache->next; } - + return pixels; } @@ -2651,21 +3666,31 @@ pixel_height_of (GtkText* text, GList* cache_line) static gint find_char_width (GtkText* text, const GtkPropertyMark *mark, const TabStopMark *tab_mark) { - gchar ch = GTK_TEXT_INDEX (text, mark->index); - gint16* char_widths = MARK_CURRENT_TEXT_FONT (mark)->char_widths; + GdkWChar ch; + gint16* char_widths; + + if (LAST_INDEX (text, *mark)) + return 0; + + ch = GTK_TEXT_INDEX (text, mark->index); + char_widths = MARK_CURRENT_TEXT_FONT (text, mark)->char_widths; if (ch == '\t') { return tab_mark->to_next_tab * char_widths[' ']; } + else if (ch < 256) + { + return char_widths[ch]; + } else { - return char_widths[ch & 0xff]; + return gdk_char_width_wc(MARK_CURRENT_TEXT_FONT(text, mark)->gdk_font, ch); } } static void -advance_tab_mark (GtkText* text, TabStopMark* tab_mark, gchar ch) +advance_tab_mark (GtkText* text, TabStopMark* tab_mark, GdkWChar ch) { if (tab_mark->to_next_tab == 1 || ch == '\t') { @@ -2687,7 +3712,7 @@ advance_tab_mark (GtkText* text, TabStopMark* tab_mark, gchar ch) static void advance_tab_mark_n (GtkText* text, TabStopMark* tab_mark, gint n) - /* No tabs! */ + /* No tabs! */ { while (n--) advance_tab_mark (text, tab_mark, 0); @@ -2696,111 +3721,114 @@ advance_tab_mark_n (GtkText* text, TabStopMark* tab_mark, gint n) static void find_cursor_at_line (GtkText* text, const LineParams* start_line, gint pixel_height) { - gchar ch; - GtkEditable *editable = (GtkEditable *)text; - + GdkWChar ch; + GtkOldEditable *old_editable = (GtkOldEditable *)text; + GtkPropertyMark mark = start_line->start; TabStopMark tab_mark = start_line->tab_cont.tab_start; gint pixel_width = LINE_START_PIXEL (*start_line); - + while (mark.index < text->cursor_mark.index) { pixel_width += find_char_width (text, &mark, &tab_mark); - + advance_tab_mark (text, &tab_mark, GTK_TEXT_INDEX(text, mark.index)); advance_mark (&mark); } - + text->cursor_pos_x = pixel_width; text->cursor_pos_y = pixel_height; text->cursor_char_offset = start_line->font_descent; text->cursor_mark = mark; - - ch = GTK_TEXT_INDEX (text, mark.index); - - if (!isspace(ch)) - text->cursor_char = ch; - else + + ch = LAST_INDEX (text, mark) ? + LINE_DELIM : GTK_TEXT_INDEX (text, mark.index); + + if ((text->use_wchar) ? gdk_iswspace (ch) : isspace (ch)) text->cursor_char = 0; - + else + text->cursor_char = ch; + #ifdef USE_XIM - if (gdk_im_ready() && editable->ic && - gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition) + if (GTK_WIDGET_HAS_FOCUS(text) && gdk_im_ready() && old_editable->ic && + (gdk_ic_get_style (old_editable->ic) & GDK_IM_PREEDIT_POSITION)) { - GdkPoint spot; - - spot.x = text->cursor_pos_x; - spot.y = text->cursor_pos_y - text->cursor_char_offset; - if (MARK_CURRENT_FONT (&mark)->type == GDK_FONT_FONTSET) - gdk_ic_set_attr (editable->ic, "preeditAttributes", - "fontSet", GDK_FONT_XFONT (MARK_CURRENT_FONT (&mark)), - NULL); + GdkICAttributesType mask = GDK_IC_SPOT_LOCATION | + GDK_IC_PREEDIT_FOREGROUND | + GDK_IC_PREEDIT_BACKGROUND; - gdk_ic_set_attr (editable->ic, "preeditAttributes", - "spotLocation", &spot, - "lineSpace", LINE_HEIGHT (*start_line), - "foreground", MARK_CURRENT_FORE (&mark)->pixel, - "background", MARK_CURRENT_BACK (&mark)->pixel, - NULL); + old_editable->ic_attr->spot_location.x = text->cursor_pos_x; + old_editable->ic_attr->spot_location.y + = text->cursor_pos_y - text->cursor_char_offset; + old_editable->ic_attr->preedit_foreground = *MARK_CURRENT_FORE (text, &mark); + old_editable->ic_attr->preedit_background = *MARK_CURRENT_BACK (text, &mark); + + if (MARK_CURRENT_FONT (text, &mark)->type == GDK_FONT_FONTSET) + { + mask |= GDK_IC_PREEDIT_FONTSET; + old_editable->ic_attr->preedit_fontset = MARK_CURRENT_FONT (text, &mark); + } + + gdk_ic_set_attr (old_editable->ic, old_editable->ic_attr, mask); } #endif } static void -find_cursor (GtkText* text) +find_cursor (GtkText* text, gboolean scroll) { - if (!text->has_cursor) - return; - - find_line_containing_point (text, text->cursor_mark.index); - - g_assert (text->cursor_mark.index >= text->first_line_start_index); - - if (text->current_line) - find_cursor_at_line (text, - &CACHE_DATA(text->current_line), - pixel_height_of(text, text->current_line)); - + if (GTK_WIDGET_REALIZED (text)) + { + find_line_containing_point (text, text->cursor_mark.index, scroll); + + if (text->current_line) + find_cursor_at_line (text, + &CACHE_DATA(text->current_line), + pixel_height_of(text, text->current_line)); + } + + GTK_OLD_EDITABLE (text)->current_pos = text->cursor_mark.index; } static void find_mouse_cursor_at_line (GtkText *text, const LineParams* lp, - guint line_pixel_height, - gint button_x) + guint line_pixel_height, + gint button_x) { GtkPropertyMark mark = lp->start; TabStopMark tab_mark = lp->tab_cont.tab_start; - - guint char_width = find_char_width(text, &mark, &tab_mark); - guint pixel_width = LINE_START_PIXEL (*lp) + (char_width+1)/2; - + + gint char_width = find_char_width(text, &mark, &tab_mark); + gint pixel_width = LINE_START_PIXEL (*lp) + (char_width+1)/2; + text->cursor_pos_y = line_pixel_height; - + for (;;) { - gchar ch = GTK_TEXT_INDEX (text, mark.index); - + GdkWChar ch = LAST_INDEX (text, mark) ? + LINE_DELIM : GTK_TEXT_INDEX (text, mark.index); + if (button_x < pixel_width || mark.index == lp->end.index) { text->cursor_pos_x = pixel_width - (char_width+1)/2; text->cursor_mark = mark; text->cursor_char_offset = lp->font_descent; - - if (!isspace(ch)) - text->cursor_char = ch; - else + + if ((text->use_wchar) ? gdk_iswspace (ch) : isspace (ch)) text->cursor_char = 0; - + else + text->cursor_char = ch; + break; } - + advance_tab_mark (text, &tab_mark, ch); advance_mark (&mark); - + pixel_width += char_width/2; - + char_width = find_char_width (text, &mark, &tab_mark); - + pixel_width += (char_width+1)/2; } } @@ -2808,29 +3836,24 @@ find_mouse_cursor_at_line (GtkText *text, const LineParams* lp, static void find_mouse_cursor (GtkText* text, gint x, gint y) { - if (GTK_EDITABLE(text)->editable) + gint pixel_height; + GList* cache = text->line_start_cache; + + g_assert (cache); + + pixel_height = - text->first_cut_pixels; + + for (; cache; cache = cache->next) { - gint pixel_height; - GList* cache = text->line_start_cache; - - g_assert (cache); - - pixel_height = - text->first_cut_pixels; - - text->has_cursor = 1; - - for (; cache; cache = cache->next) + pixel_height += LINE_HEIGHT(CACHE_DATA(cache)); + + if (y < pixel_height || !cache->next) { - pixel_height += LINE_HEIGHT(CACHE_DATA(cache)); - - if (y < pixel_height || !cache->next) - { - find_mouse_cursor_at_line (text, &CACHE_DATA(cache), pixel_height, x); - - find_cursor (text); - - return; - } + find_mouse_cursor_at_line (text, &CACHE_DATA(cache), pixel_height, x); + + find_cursor (text, FALSE); + + return; } } } @@ -2843,38 +3866,46 @@ static void free_cache (GtkText* text) { GList* cache = text->line_start_cache; - + + if (cache) + { + while (cache->prev) + cache = cache->prev; + + text->line_start_cache = cache; + } + for (; cache; cache = cache->next) g_mem_chunk_free (params_mem_chunk, cache->data); - + g_list_free (text->line_start_cache); - + text->line_start_cache = NULL; } static GList* remove_cache_line (GtkText* text, GList* member) { + GList *list; + + if (member == NULL) + return NULL; + if (member == text->line_start_cache) - { - if (text->line_start_cache) - text->line_start_cache = text->line_start_cache->next; - return text->line_start_cache; - } - else - { - GList *list = member->prev; - - list->next = list->next->next; - if (list->next) - list->next->prev = list; - - member->next = NULL; - g_mem_chunk_free (params_mem_chunk, member->data); - g_list_free (member); - - return list->next; - } + text->line_start_cache = text->line_start_cache->next; + + if (member->prev) + member->prev->next = member->next; + + if (member->next) + member->next->prev = member->prev; + + list = member->next; + + g_mem_chunk_free (params_mem_chunk, member->data); + g_list_free_1 (member); + + return list; } /**********************************************************************/ @@ -2884,10 +3915,25 @@ remove_cache_line (GtkText* text, GList* member) static void move_cursor_buffer_ver (GtkText *text, int dir) { + undraw_cursor (text, FALSE); + if (dir > 0) - scroll_int (text, text->vadj->upper); + { + scroll_int (text, text->vadj->upper); + text->cursor_mark = find_this_line_start_mark (text, + TEXT_LENGTH (text), + &text->cursor_mark); + } else - scroll_int (text, - text->vadj->value); + { + scroll_int (text, - text->vadj->value); + text->cursor_mark = find_this_line_start_mark (text, + 0, + &text->cursor_mark); + } + + find_cursor (text, TRUE); + draw_cursor (text, FALSE); } static void @@ -2902,50 +3948,45 @@ move_cursor_ver (GtkText *text, int count) gint i; GtkPropertyMark mark; gint offset; - - if (!text->has_cursor) - { - scroll_int (text, count * KEY_SCROLL_PIXELS); - return; - } - + mark = find_this_line_start_mark (text, text->cursor_mark.index, &text->cursor_mark); offset = text->cursor_mark.index - mark.index; - + if (offset > text->cursor_virtual_x) text->cursor_virtual_x = offset; - + if (count < 0) { if (mark.index == 0) return; - + decrement_mark (&mark); mark = find_this_line_start_mark (text, mark.index, &mark); } else { mark = text->cursor_mark; - + while (!LAST_INDEX(text, mark) && GTK_TEXT_INDEX(text, mark.index) != LINE_DELIM) advance_mark (&mark); - + if (LAST_INDEX(text, mark)) - return; - + return; + advance_mark (&mark); } - + for (i=0; i < text->cursor_virtual_x; i += 1, advance_mark(&mark)) - if (LAST_INDEX(text, mark) || GTK_TEXT_INDEX(text, mark.index) == LINE_DELIM) + if (LAST_INDEX(text, mark) || + GTK_TEXT_INDEX(text, mark.index) == LINE_DELIM) break; - + undraw_cursor (text, FALSE); - + text->cursor_mark = mark; - - find_cursor (text); - + + find_cursor (text, TRUE); + draw_cursor (text, FALSE); } @@ -2953,25 +3994,50 @@ static void move_cursor_hor (GtkText *text, int count) { /* count should be +-1. */ - if (!text->has_cursor) - return; - if ( (count > 0 && text->cursor_mark.index + count > TEXT_LENGTH(text)) || (count < 0 && text->cursor_mark.index < (- count)) || (count == 0) ) return; - + text->cursor_virtual_x = 0; - + undraw_cursor (text, FALSE); - + move_mark_n (&text->cursor_mark, count); - - find_cursor (text); - + + find_cursor (text, TRUE); + draw_cursor (text, FALSE); } +static void +gtk_text_move_cursor (GtkOldEditable *old_editable, + gint x, + gint y) +{ + if (x > 0) + { + while (x-- != 0) + move_cursor_hor (GTK_TEXT (old_editable), 1); + } + else if (x < 0) + { + while (x++ != 0) + move_cursor_hor (GTK_TEXT (old_editable), -1); + } + + if (y > 0) + { + while (y-- != 0) + move_cursor_ver (GTK_TEXT (old_editable), 1); + } + else if (y < 0) + { + while (y++ != 0) + move_cursor_ver (GTK_TEXT (old_editable), -1); + } +} + static void gtk_text_move_forward_character (GtkText *text) { @@ -2984,171 +4050,299 @@ gtk_text_move_backward_character (GtkText *text) move_cursor_hor (text, -1); } +static void +gtk_text_move_next_line (GtkText *text) +{ + move_cursor_ver (text, 1); +} + +static void +gtk_text_move_previous_line (GtkText *text) +{ + move_cursor_ver (text, -1); +} + +static void +gtk_text_move_word (GtkOldEditable *old_editable, + gint n) +{ + if (n > 0) + { + while (n-- != 0) + gtk_text_move_forward_word (GTK_TEXT (old_editable)); + } + else if (n < 0) + { + while (n++ != 0) + gtk_text_move_backward_word (GTK_TEXT (old_editable)); + } +} + static void gtk_text_move_forward_word (GtkText *text) { + text->cursor_virtual_x = 0; + undraw_cursor (text, FALSE); - while (!LAST_INDEX (text, text->cursor_mark) && - !isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) - advance_mark (&text->cursor_mark); - - while (!LAST_INDEX (text, text->cursor_mark) && - isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) - advance_mark (&text->cursor_mark); - - find_cursor (text); + if (text->use_wchar) + { + while (!LAST_INDEX (text, text->cursor_mark) && + !gdk_iswalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) + advance_mark (&text->cursor_mark); + + while (!LAST_INDEX (text, text->cursor_mark) && + gdk_iswalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) + advance_mark (&text->cursor_mark); + } + else + { + while (!LAST_INDEX (text, text->cursor_mark) && + !isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) + advance_mark (&text->cursor_mark); + + while (!LAST_INDEX (text, text->cursor_mark) && + isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) + advance_mark (&text->cursor_mark); + } + + find_cursor (text, TRUE); draw_cursor (text, FALSE); } static void gtk_text_move_backward_word (GtkText *text) { + text->cursor_virtual_x = 0; + undraw_cursor (text, FALSE); - while ((text->cursor_mark.index > 0) && - !isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) - decrement_mark (&text->cursor_mark); + if (text->use_wchar) + { + while ((text->cursor_mark.index > 0) && + !gdk_iswalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index-1))) + decrement_mark (&text->cursor_mark); + + while ((text->cursor_mark.index > 0) && + gdk_iswalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index-1))) + decrement_mark (&text->cursor_mark); + } + else + { + while ((text->cursor_mark.index > 0) && + !isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index-1))) + decrement_mark (&text->cursor_mark); + + while ((text->cursor_mark.index > 0) && + isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index-1))) + decrement_mark (&text->cursor_mark); + } + + find_cursor (text, TRUE); + draw_cursor (text, FALSE); +} + +static void +gtk_text_move_page (GtkOldEditable *old_editable, + gint x, + gint y) +{ + if (y != 0) + scroll_int (GTK_TEXT (old_editable), + y * GTK_TEXT(old_editable)->vadj->page_increment); +} + +static void +gtk_text_move_to_row (GtkOldEditable *old_editable, + gint row) +{ +} +static void +gtk_text_move_to_column (GtkOldEditable *old_editable, + gint column) +{ + GtkText *text; + + text = GTK_TEXT (old_editable); + + text->cursor_virtual_x = 0; /* FIXME */ + + undraw_cursor (text, FALSE); + + /* Move to the beginning of the line */ while ((text->cursor_mark.index > 0) && - isalnum (GTK_TEXT_INDEX(text, text->cursor_mark.index))) + (GTK_TEXT_INDEX (text, text->cursor_mark.index - 1) != LINE_DELIM)) decrement_mark (&text->cursor_mark); - - find_cursor (text); + + while (!LAST_INDEX (text, text->cursor_mark) && + (GTK_TEXT_INDEX (text, text->cursor_mark.index) != LINE_DELIM)) + { + if (column > 0) + column--; + else if (column == 0) + break; + + advance_mark (&text->cursor_mark); + } + + find_cursor (text, TRUE); draw_cursor (text, FALSE); } static void gtk_text_move_beginning_of_line (GtkText *text) { - undraw_cursor (text, FALSE); - text->cursor_mark = CACHE_DATA(text->current_line).start; - find_cursor (text); - draw_cursor (text, FALSE); + gtk_text_move_to_column (GTK_OLD_EDITABLE (text), 0); + } static void gtk_text_move_end_of_line (GtkText *text) { - undraw_cursor (text, FALSE); - text->cursor_mark = CACHE_DATA(text->current_line).end; - find_cursor (text); - draw_cursor (text, FALSE); + gtk_text_move_to_column (GTK_OLD_EDITABLE (text), -1); +} + +static void +gtk_text_kill_char (GtkOldEditable *old_editable, + gint direction) +{ + GtkText *text; + + text = GTK_TEXT (old_editable); + + if (old_editable->selection_start_pos != old_editable->selection_end_pos) + gtk_editable_delete_selection (GTK_EDITABLE (old_editable)); + else + { + if (direction >= 0) + { + if (text->point.index + 1 <= TEXT_LENGTH (text)) + gtk_editable_delete_text (GTK_EDITABLE (old_editable), text->point.index, text->point.index + 1); + } + else + { + if (text->point.index > 0) + gtk_editable_delete_text (GTK_EDITABLE (old_editable), text->point.index - 1, text->point.index); + } + } } static void gtk_text_delete_forward_character (GtkText *text) { - GtkEditable *editable; - editable = GTK_EDITABLE (text); - - if (editable->selection_start_pos != editable->selection_end_pos) - gtk_editable_delete_selection (editable); - else - { - gtk_text_forward_delete (text, 1); - gtk_editable_changed (editable); - } + gtk_text_kill_char (GTK_OLD_EDITABLE (text), 1); } static void gtk_text_delete_backward_character (GtkText *text) { - GtkEditable *editable; - editable = GTK_EDITABLE (text); + gtk_text_kill_char (GTK_OLD_EDITABLE (text), -1); +} - if (editable->selection_start_pos != editable->selection_end_pos) - gtk_editable_delete_selection (editable); +static void +gtk_text_kill_word (GtkOldEditable *old_editable, + gint direction) +{ + if (old_editable->selection_start_pos != old_editable->selection_end_pos) + gtk_editable_delete_selection (GTK_EDITABLE (old_editable)); else { - gtk_text_backward_delete (text, 1); - gtk_editable_changed (editable); + gint old_pos = old_editable->current_pos; + if (direction >= 0) + { + gtk_text_move_word (old_editable, 1); + gtk_editable_delete_text (GTK_EDITABLE (old_editable), old_pos, old_editable->current_pos); + } + else + { + gtk_text_move_word (old_editable, -1); + gtk_editable_delete_text (GTK_EDITABLE (old_editable), old_editable->current_pos, old_pos); + } } } static void gtk_text_delete_forward_word (GtkText *text) { - guint old_pos; - - GtkEditable *editable; - editable = GTK_EDITABLE (text); - - if (editable->selection_start_pos != editable->selection_end_pos) - gtk_editable_delete_selection (editable); - else - { - old_pos = text->cursor_mark.index; - gtk_text_move_forward_word (text); - gtk_text_backward_delete (text, old_pos - text->cursor_mark.index); - gtk_editable_changed (editable); - } + gtk_text_kill_word (GTK_OLD_EDITABLE (text), 1); } static void gtk_text_delete_backward_word (GtkText *text) { - gint old_pos; - - GtkEditable *editable; - editable = GTK_EDITABLE (text); + gtk_text_kill_word (GTK_OLD_EDITABLE (text), -1); +} - if (editable->selection_start_pos != editable->selection_end_pos) - gtk_editable_delete_selection (editable); +static void +gtk_text_kill_line (GtkOldEditable *old_editable, + gint direction) +{ + gint old_pos = old_editable->current_pos; + if (direction >= 0) + { + gtk_text_move_to_column (old_editable, -1); + gtk_editable_delete_text (GTK_EDITABLE (old_editable), old_pos, old_editable->current_pos); + } else { - old_pos = text->point.index; - gtk_text_move_backward_word (text); - gtk_text_forward_delete (text, text->point.index - old_pos); - gtk_editable_changed (editable); + gtk_text_move_to_column (old_editable, 0); + gtk_editable_delete_text (GTK_EDITABLE (old_editable), old_editable->current_pos, old_pos); } } static void gtk_text_delete_line (GtkText *text) { - gtk_text_set_point (text, CACHE_DATA(text->current_line).start.index); - gtk_text_forward_delete (text, - CACHE_DATA(text->current_line).end.index - - CACHE_DATA(text->current_line).start.index + 1); - - gtk_editable_changed (GTK_EDITABLE (text)); + gtk_text_move_to_column (GTK_OLD_EDITABLE (text), 0); + gtk_text_kill_line (GTK_OLD_EDITABLE (text), 1); } static void gtk_text_delete_to_line_end (GtkText *text) { - gtk_text_forward_delete (text, - MAX(CACHE_DATA(text->current_line).end.index - - text->point.index, 1)); - - gtk_editable_changed (GTK_EDITABLE (text)); + gtk_text_kill_line (GTK_OLD_EDITABLE (text), 1); } static void -gtk_text_select_word (GtkText *text) +gtk_text_select_word (GtkText *text, guint32 time) { gint start_pos; gint end_pos; - - GtkEditable *editable; - editable = GTK_EDITABLE (text); - + + GtkOldEditable *old_editable; + old_editable = GTK_OLD_EDITABLE (text); + gtk_text_move_backward_word (text); start_pos = text->cursor_mark.index; - + gtk_text_move_forward_word (text); end_pos = text->cursor_mark.index; - - gtk_text_set_selection (editable, start_pos, end_pos); + + old_editable->has_selection = TRUE; + gtk_text_set_selection (old_editable, start_pos, end_pos); + gtk_old_editable_claim_selection (old_editable, start_pos != end_pos, time); } static void -gtk_text_select_line (GtkText *text) +gtk_text_select_line (GtkText *text, guint32 time) { - gtk_text_set_selection (GTK_EDITABLE (text), - CACHE_DATA(text->current_line).end.index, - CACHE_DATA(text->current_line).start.index); + gint start_pos; + gint end_pos; + + GtkOldEditable *old_editable; + old_editable = GTK_OLD_EDITABLE (text); + + gtk_text_move_beginning_of_line (text); + start_pos = text->cursor_mark.index; + + gtk_text_move_end_of_line (text); + gtk_text_move_forward_character (text); + end_pos = text->cursor_mark.index; + + old_editable->has_selection = TRUE; + gtk_text_set_selection (old_editable, start_pos, end_pos); + gtk_old_editable_claim_selection (old_editable, start_pos != end_pos, time); } /**********************************************************************/ @@ -3159,28 +4353,43 @@ static void adjust_adj (GtkText* text, GtkAdjustment* adj) { gint height; - + gdk_window_get_size (text->text_area, NULL, &height); - + adj->step_increment = MIN (adj->upper, (float) SCROLL_PIXELS); adj->page_increment = MIN (adj->upper, height - (float) KEY_SCROLL_PIXELS); adj->page_size = MIN (adj->upper, height); adj->value = MIN (adj->value, adj->upper - adj->page_size); adj->value = MAX (adj->value, 0.0); - + gtk_signal_emit_by_name (GTK_OBJECT (adj), "changed"); } static gint set_vertical_scroll_iterator (GtkText* text, LineParams* lp, void* data) { - gint *pixel_count = (gint*) data; - - if (text->first_line_start_index == lp->start.index) - text->vadj->value = (float) *pixel_count; - - *pixel_count += LINE_HEIGHT (*lp); - + SetVerticalScrollData *svdata = (SetVerticalScrollData *) data; + + if ((text->first_line_start_index >= lp->start.index) && + (text->first_line_start_index <= lp->end.index)) + { + svdata->mark = lp->start; + + if (text->first_line_start_index == lp->start.index) + { + text->first_onscreen_ver_pixel = svdata->pixel_height + text->first_cut_pixels; + } + else + { + text->first_onscreen_ver_pixel = svdata->pixel_height; + text->first_cut_pixels = 0; + } + + text->vadj->value = (float) text->first_onscreen_ver_pixel; + } + + svdata->pixel_height += LINE_HEIGHT (*lp); + return FALSE; } @@ -3189,33 +4398,25 @@ set_vertical_scroll_find_iterator (GtkText* text, LineParams* lp, void* data) { SetVerticalScrollData *svdata = (SetVerticalScrollData *) data; gint return_val; - - if (svdata->last_didnt_wrap) - svdata->last_line_start = lp->start.index; - + if (svdata->pixel_height <= (gint) text->vadj->value && svdata->pixel_height + LINE_HEIGHT(*lp) > (gint) text->vadj->value) { svdata->mark = lp->start; - + text->first_cut_pixels = (gint)text->vadj->value - svdata->pixel_height; text->first_onscreen_ver_pixel = svdata->pixel_height; - text->first_line_start_index = svdata->last_line_start; - + text->first_line_start_index = lp->start.index; + return_val = TRUE; } else { svdata->pixel_height += LINE_HEIGHT (*lp); - + return_val = FALSE; } - - if (!lp->wraps) - svdata->last_didnt_wrap = TRUE; - else - svdata->last_didnt_wrap = FALSE; - + return return_val; } @@ -3225,56 +4426,51 @@ set_vertical_scroll (GtkText* text) GtkPropertyMark mark = find_mark (text, 0); SetVerticalScrollData data; gint height; - gint pixel_count = 0; gint orig_value; - - line_params_iterate (text, &mark, NULL, FALSE, &pixel_count, set_vertical_scroll_iterator); - - text->vadj->upper = (float) pixel_count; + + data.pixel_height = 0; + line_params_iterate (text, &mark, NULL, FALSE, &data, set_vertical_scroll_iterator); + + text->vadj->upper = (float) data.pixel_height; orig_value = (gint) text->vadj->value; - + gdk_window_get_size (text->text_area, NULL, &height); - + text->vadj->step_increment = MIN (text->vadj->upper, (float) SCROLL_PIXELS); text->vadj->page_increment = MIN (text->vadj->upper, height - (float) KEY_SCROLL_PIXELS); text->vadj->page_size = MIN (text->vadj->upper, height); text->vadj->value = MIN (text->vadj->value, text->vadj->upper - text->vadj->page_size); text->vadj->value = MAX (text->vadj->value, 0.0); - + text->last_ver_value = (gint)text->vadj->value; - text->first_cut_pixels = 0; - + gtk_signal_emit_by_name (GTK_OBJECT (text->vadj), "changed"); - + if (text->vadj->value != orig_value) { /* We got clipped, and don't really know which line to put first. */ data.pixel_height = 0; data.last_didnt_wrap = TRUE; - + line_params_iterate (text, &mark, NULL, FALSE, &data, set_vertical_scroll_find_iterator); - - return data.mark; - } - else - { - return find_mark (text, text->first_line_start_index); } + + return data.mark; } static void scroll_int (GtkText* text, gint diff) { gfloat upper; - + text->vadj->value += diff; - + upper = text->vadj->upper - text->vadj->page_size; text->vadj->value = MIN (text->vadj->value, upper); text->vadj->value = MAX (text->vadj->value, 0.0); - + gtk_signal_emit_by_name (GTK_OBJECT (text->vadj), "value_changed"); } @@ -3282,10 +4478,10 @@ static void process_exposes (GtkText *text) { GdkEvent *event; - + /* Make sure graphics expose events are processed before scrolling * again */ - + while ((event = gdk_event_get_graphics_expose (text->text_area)) != NULL) { gtk_widget_event (GTK_WIDGET (text), event); @@ -3302,13 +4498,13 @@ static gint last_visible_line_height (GtkText* text) { GList *cache = text->line_start_cache; gint height; - + gdk_window_get_size (text->text_area, NULL, &height); - + for (; cache->next; cache = cache->next) if (pixel_height_of(text, cache->next) > height) break; - + if (cache) return pixel_height_of(text, cache) - 1; else @@ -3329,14 +4525,13 @@ scroll_down (GtkText* text, gint diff0) GdkRectangle rect; gint real_diff = 0; gint width, height; - + text->first_onscreen_ver_pixel += diff0; - + while (diff0-- > 0) { - g_assert (text->line_start_cache && - text->line_start_cache->next); - + g_assert (text->line_start_cache); + if (text->first_cut_pixels < LINE_HEIGHT(CACHE_DATA(text->line_start_cache)) - 1) { text->first_cut_pixels += 1; @@ -3344,19 +4539,19 @@ scroll_down (GtkText* text, gint diff0) else { text->first_cut_pixels = 0; - + text->line_start_cache = text->line_start_cache->next; - + text->first_line_start_index = CACHE_DATA(text->line_start_cache).start.index; - + if (!text->line_start_cache->next) fetch_lines_forward (text, 1); } - + real_diff += 1; } - + gdk_window_get_size (text->text_area, &width, &height); if (height > real_diff) gdk_draw_pixmap (text->text_area, @@ -3368,27 +4563,27 @@ scroll_down (GtkText* text, gint diff0) 0, width, height - real_diff); - + rect.x = 0; rect.y = MAX (0, height - real_diff); rect.width = width; rect.height = MIN (height, real_diff); - + expose_text (text, &rect, FALSE); gtk_text_draw_focus ( (GtkWidget *) text); - + if (text->current_line) { gint cursor_min; - + text->cursor_pos_y -= real_diff; cursor_min = drawn_cursor_min(text); - + if (cursor_min < 0) find_mouse_cursor (text, text->cursor_pos_x, first_visible_line_height (text)); } - + if (height > real_diff) process_exposes (text); } @@ -3399,13 +4594,13 @@ scroll_up (GtkText* text, gint diff0) gint real_diff = 0; GdkRectangle rect; gint width, height; - + text->first_onscreen_ver_pixel += diff0; - + while (diff0++ < 0) { g_assert (text->line_start_cache); - + if (text->first_cut_pixels > 0) { text->first_cut_pixels -= 1; @@ -3414,18 +4609,18 @@ scroll_up (GtkText* text, gint diff0) { if (!text->line_start_cache->prev) fetch_lines_backward (text); - + text->line_start_cache = text->line_start_cache->prev; - + text->first_line_start_index = CACHE_DATA(text->line_start_cache).start.index; - + text->first_cut_pixels = LINE_HEIGHT(CACHE_DATA(text->line_start_cache)) - 1; } - + real_diff += 1; } - + gdk_window_get_size (text->text_area, &width, &height); if (height > real_diff) gdk_draw_pixmap (text->text_area, @@ -3437,29 +4632,29 @@ scroll_up (GtkText* text, gint diff0) real_diff, width, height - real_diff); - + rect.x = 0; rect.y = 0; rect.width = width; rect.height = MIN (height, real_diff); - + expose_text (text, &rect, FALSE); gtk_text_draw_focus ( (GtkWidget *) text); - + if (text->current_line) { gint cursor_max; gint height; - + text->cursor_pos_y += real_diff; cursor_max = drawn_cursor_max(text); gdk_window_get_size (text->text_area, NULL, &height); - + if (cursor_max >= height) find_mouse_cursor (text, text->cursor_pos_x, last_visible_line_height (text)); } - + if (height > real_diff) process_exposes (text); } @@ -3481,13 +4676,13 @@ find_line_params (GtkText* text, LineParams lp; TabStopMark tab_mark = tab_cont->tab_start; guint max_display_pixels; - gchar ch; + GdkWChar ch; gint ch_width; GdkFont *font; - + gdk_window_get_size (text->text_area, (gint*) &max_display_pixels, NULL); max_display_pixels -= LINE_WRAP_ROOM; - + lp.wraps = 0; lp.tab_cont = *tab_cont; lp.start = *mark; @@ -3496,51 +4691,52 @@ find_line_params (GtkText* text, lp.displayable_chars = 0; lp.font_ascent = 0; lp.font_descent = 0; - + init_tab_cont (text, next_cont); - + while (!LAST_INDEX(text, lp.end)) { g_assert (lp.end.property); - + ch = GTK_TEXT_INDEX (text, lp.end.index); - font = MARK_CURRENT_FONT (&lp.end); + font = MARK_CURRENT_FONT (text, &lp.end); if (ch == LINE_DELIM) { /* Newline doesn't count in computation of line height, even * if its in a bigger font than the rest of the line. Unless, * of course, there are no other characters. */ - + if (!lp.font_ascent && !lp.font_descent) { lp.font_ascent = font->ascent; lp.font_descent = font->descent; } - + lp.tab_cont_next = *next_cont; - + return lp; } - + ch_width = find_char_width (text, &lp.end, &tab_mark); - - if (ch_width + lp.pixel_width > max_display_pixels) + + if ((ch_width + lp.pixel_width > max_display_pixels) && + (lp.end.index > lp.start.index)) { lp.wraps = 1; - + if (text->line_wrap) { next_cont->tab_start = tab_mark; next_cont->pixel_offset = 0; - + if (ch == '\t') { /* Here's the tough case, a tab is wrapping. */ gint pixels_avail = max_display_pixels - lp.pixel_width; - gint space_width = MARK_CURRENT_TEXT_FONT(&lp.end)->char_widths[' ']; + gint space_width = MARK_CURRENT_TEXT_FONT(text, &lp.end)->char_widths[' ']; gint spaces_avail = pixels_avail / space_width; - + if (spaces_avail == 0) { decrement_mark (&lp.end); @@ -3555,12 +4751,49 @@ find_line_params (GtkText* text, } else { - /* Don't include this character, it will wrap. */ - decrement_mark (&lp.end); + if (text->word_wrap) + { + GtkPropertyMark saved_mark = lp.end; + guint saved_characters = lp.displayable_chars; + + lp.displayable_chars += 1; + + if (text->use_wchar) + { + while (!gdk_iswspace (GTK_TEXT_INDEX (text, lp.end.index)) && + (lp.end.index > lp.start.index)) + { + decrement_mark (&lp.end); + lp.displayable_chars -= 1; + } + } + else + { + while (!isspace(GTK_TEXT_INDEX (text, lp.end.index)) && + (lp.end.index > lp.start.index)) + { + decrement_mark (&lp.end); + lp.displayable_chars -= 1; + } + } + + /* If whole line is one word, revert to char wrapping */ + if (lp.end.index == lp.start.index) + { + lp.end = saved_mark; + lp.displayable_chars = saved_characters; + decrement_mark (&lp.end); + } + } + else + { + /* Don't include this character, it will wrap. */ + decrement_mark (&lp.end); + } } - + lp.tab_cont_next = *next_cont; - + return lp; } } @@ -3568,26 +4801,26 @@ find_line_params (GtkText* text, { lp.displayable_chars += 1; } - + lp.font_ascent = MAX (font->ascent, lp.font_ascent); lp.font_descent = MAX (font->descent, lp.font_descent); lp.pixel_width += ch_width; - + advance_mark(&lp.end); advance_tab_mark (text, &tab_mark, ch); } - + if (LAST_INDEX(text, lp.start)) { /* Special case, empty last line. */ - font = MARK_CURRENT_FONT (&lp.end); + font = MARK_CURRENT_FONT (text, &lp.end); lp.font_ascent = font->ascent; lp.font_descent = font->descent; } - + lp.tab_cont_next = *next_cont; - + return lp; } @@ -3597,42 +4830,70 @@ expand_scratch_buffer (GtkText* text, guint len) if (len >= text->scratch_buffer_len) { guint i = 1; - + while (i <= len && i < MIN_GAP_SIZE) i <<= 1; - - if (text->scratch_buffer) - text->scratch_buffer = g_new (guchar, i); + + if (text->use_wchar) + { + if (text->scratch_buffer.wc) + text->scratch_buffer.wc = g_new (GdkWChar, i); + else + text->scratch_buffer.wc = g_realloc (text->scratch_buffer.wc, + i*sizeof (GdkWChar)); + } else - text->scratch_buffer = g_realloc (text->scratch_buffer, i); - + { + if (text->scratch_buffer.ch) + text->scratch_buffer.ch = g_new (guchar, i); + else + text->scratch_buffer.ch = g_realloc (text->scratch_buffer.ch, i); + } + text->scratch_buffer_len = i; } } -/* Returns a GC to draw a background for the text at a mark, - * or NULL, if the mark's background is NULL - * - * Side effect: modifies text->gc +/* Side effect: modifies text->gc */ -static GdkGC * -mark_bg_gc (GtkText* text, const GtkPropertyMark *mark) +static void +draw_bg_rect (GtkText* text, GtkPropertyMark *mark, + gint x, gint y, gint width, gint height, + gboolean already_cleared) { - GtkEditable *editable = GTK_EDITABLE(text); - - if ((mark->index >= MIN(editable->selection_start_pos, editable->selection_end_pos) && - mark->index < MAX(editable->selection_start_pos, editable->selection_end_pos))) + GtkOldEditable *old_editable = GTK_OLD_EDITABLE (text); + + if ((mark->index >= MIN(old_editable->selection_start_pos, old_editable->selection_end_pos) && + mark->index < MAX(old_editable->selection_start_pos, old_editable->selection_end_pos))) { - if (editable->has_selection) - return GTK_WIDGET(text)->style->bg_gc[GTK_STATE_SELECTED]; - else - return GTK_WIDGET(text)->style->bg_gc[GTK_STATE_ACTIVE]; + gtk_paint_flat_box(GTK_WIDGET(text)->style, text->text_area, + old_editable->has_selection ? + GTK_STATE_SELECTED : GTK_STATE_ACTIVE, + GTK_SHADOW_NONE, + NULL, GTK_WIDGET(text), "text", + x, y, width, height); + } + else if (!gdk_color_equal(MARK_CURRENT_BACK (text, mark), + >K_WIDGET(text)->style->base[GTK_WIDGET_STATE (text)])) + { + gdk_gc_set_foreground (text->gc, MARK_CURRENT_BACK (text, mark)); + + gdk_draw_rectangle (text->text_area, + text->gc, + TRUE, x, y, width, height); } - else if (MARK_CURRENT_BACK (mark)) + else if (GTK_WIDGET (text)->style->bg_pixmap[GTK_STATE_NORMAL]) { - gdk_gc_set_foreground (text->gc, MARK_CURRENT_BACK (mark)); - return text->gc; + GdkRectangle rect; + + rect.x = x; + rect.y = y; + rect.width = width; + rect.height = height; + + clear_area (text, &rect); } - return NULL; + else if (!already_cleared) + gdk_window_clear_area (text->text_area, x, y, width, height); } static void @@ -3644,154 +4905,193 @@ draw_line (GtkText* text, gint i; gint len = 0; guint running_offset = lp->tab_cont.pixel_offset; - guchar* buffer; - GdkGC *fg_gc, *bg_gc; - - GtkEditable *editable = GTK_EDITABLE(text); + union { GdkWChar *wc; guchar *ch; } buffer; + GdkGC *fg_gc; + + GtkOldEditable *old_editable = GTK_OLD_EDITABLE (text); + + guint selection_start_pos = MIN (old_editable->selection_start_pos, old_editable->selection_end_pos); + guint selection_end_pos = MAX (old_editable->selection_start_pos, old_editable->selection_end_pos); - guint selection_start_pos = MIN (editable->selection_start_pos, editable->selection_end_pos); - guint selection_end_pos = MAX (editable->selection_start_pos, editable->selection_end_pos); - GtkPropertyMark mark = lp->start; TabStopMark tab_mark = lp->tab_cont.tab_start; gint pixel_height = pixel_start_height + lp->font_ascent; guint chars = lp->displayable_chars; - + /* First provide a contiguous segment of memory. This makes reading * the code below *much* easier, and only incurs the cost of copying * when the line being displayed spans the gap. */ if (mark.index <= text->gap_position && mark.index + chars > text->gap_position) { - expand_scratch_buffer (text, chars); - - for (i = 0; i < chars; i += 1) - text->scratch_buffer[i] = GTK_TEXT_INDEX(text, mark.index + i); - - buffer = text->scratch_buffer; + expand_scratch_buffer (text, chars); + + if (text->use_wchar) + { + for (i = 0; i < chars; i += 1) + text->scratch_buffer.wc[i] = GTK_TEXT_INDEX(text, mark.index + i); + buffer.wc = text->scratch_buffer.wc; + } + else + { + for (i = 0; i < chars; i += 1) + text->scratch_buffer.ch[i] = GTK_TEXT_INDEX(text, mark.index + i); + buffer.ch = text->scratch_buffer.ch; + } } else { - if (mark.index >= text->gap_position) - buffer = text->text + mark.index + text->gap_size; + if (text->use_wchar) + { + if (mark.index >= text->gap_position) + buffer.wc = text->text.wc + mark.index + text->gap_size; + else + buffer.wc = text->text.wc + mark.index; + } else - buffer = text->text + mark.index; + { + if (mark.index >= text->gap_position) + buffer.ch = text->text.ch + mark.index + text->gap_size; + else + buffer.ch = text->text.ch + mark.index; + } } - + if (running_offset > 0) { - bg_gc = mark_bg_gc (text, &mark); - - if (bg_gc) - gdk_draw_rectangle (text->text_area, - bg_gc, - TRUE, - 0, - pixel_start_height, - running_offset, - LINE_HEIGHT (*lp)); + draw_bg_rect (text, &mark, 0, pixel_start_height, running_offset, + LINE_HEIGHT (*lp), TRUE); } - - for (; chars > 0; chars -= len, buffer += len, len = 0) + + while (chars > 0) { - if (buffer[0] != '\t') + len = 0; + if ((text->use_wchar && buffer.wc[0] != '\t') || + (!text->use_wchar && buffer.ch[0] != '\t')) { - guchar* next_tab = memchr (buffer, '\t', chars); + union { GdkWChar *wc; guchar *ch; } next_tab; gint pixel_width; GdkFont *font; - len = MIN (MARK_CURRENT_PROPERTY (&mark)->length - mark.offset, chars); + next_tab.wc = NULL; + if (text->use_wchar) + for (i=0; ilength - mark.offset, chars); + + if (text->use_wchar) + { + if (next_tab.wc) + len = MIN (len, next_tab.wc - buffer.wc); + } + else + { + if (next_tab.ch) + len = MIN (len, next_tab.ch - buffer.ch); + } if (mark.index < selection_start_pos) len = MIN (len, selection_start_pos - mark.index); else if (mark.index < selection_end_pos) len = MIN (len, selection_end_pos - mark.index); - font = MARK_CURRENT_PROPERTY (&mark)->font->gdk_font; + font = MARK_CURRENT_FONT (text, &mark); if (font->type == GDK_FONT_FONT) { gdk_gc_set_font (text->gc, font); gdk_gc_get_values (text->gc, &gc_values); + if (text->use_wchar) + pixel_width = gdk_text_width_wc (gc_values.font, + buffer.wc, len); + else pixel_width = gdk_text_width (gc_values.font, - (gchar*) buffer, len); + buffer.ch, len); } else - pixel_width = gdk_text_width (font, (gchar*) buffer, len); + { + if (text->use_wchar) + pixel_width = gdk_text_width_wc (font, buffer.wc, len); + else + pixel_width = gdk_text_width (font, buffer.ch, len); + } + + draw_bg_rect (text, &mark, running_offset, pixel_start_height, + pixel_width, LINE_HEIGHT (*lp), TRUE); - bg_gc = mark_bg_gc (text, &mark); - if (bg_gc) - gdk_draw_rectangle (text->text_area, - bg_gc, - TRUE, - running_offset, - pixel_start_height, - pixel_width, - LINE_HEIGHT(*lp)); - if ((mark.index >= selection_start_pos) && (mark.index < selection_end_pos)) { - if (editable->has_selection) + if (old_editable->has_selection) fg_gc = GTK_WIDGET(text)->style->fg_gc[GTK_STATE_SELECTED]; else fg_gc = GTK_WIDGET(text)->style->fg_gc[GTK_STATE_ACTIVE]; } else { - gdk_gc_set_foreground (text->gc, MARK_CURRENT_FORE (&mark)); + gdk_gc_set_foreground (text->gc, MARK_CURRENT_FORE (text, &mark)); fg_gc = text->gc; } - gdk_draw_text (text->text_area, MARK_CURRENT_FONT (&mark), - fg_gc, - running_offset, - pixel_height, - (gchar*) buffer, - len); - + if (text->use_wchar) + gdk_draw_text_wc (text->text_area, MARK_CURRENT_FONT (text, &mark), + fg_gc, + running_offset, + pixel_height, + buffer.wc, + len); + else + gdk_draw_text (text->text_area, MARK_CURRENT_FONT (text, &mark), + fg_gc, + running_offset, + pixel_height, + buffer.ch, + len); + running_offset += pixel_width; - + advance_tab_mark_n (text, &tab_mark, len); } else { + gint pixels_remaining; + gint space_width; + gint spaces_avail; + len = 1; + + gdk_window_get_size (text->text_area, &pixels_remaining, NULL); + pixels_remaining -= (LINE_WRAP_ROOM + running_offset); + + space_width = MARK_CURRENT_TEXT_FONT(text, &mark)->char_widths[' ']; + + spaces_avail = pixels_remaining / space_width; + spaces_avail = MIN (spaces_avail, tab_mark.to_next_tab); - bg_gc = mark_bg_gc (text, &mark); - if (bg_gc) - { - gint pixels_remaining; - gint space_width; - gint spaces_avail; - - gdk_window_get_size (text->text_area, &pixels_remaining, NULL); - pixels_remaining -= (LINE_WRAP_ROOM + running_offset); - - space_width = MARK_CURRENT_TEXT_FONT(&mark)->char_widths[' ']; - - spaces_avail = pixels_remaining / space_width; - spaces_avail = MIN (spaces_avail, tab_mark.to_next_tab); - - gdk_draw_rectangle (text->text_area, - bg_gc, - TRUE, - running_offset, - pixel_start_height, - spaces_avail * space_width, - LINE_HEIGHT (*lp)); - } + draw_bg_rect (text, &mark, running_offset, pixel_start_height, + spaces_avail * space_width, LINE_HEIGHT (*lp), TRUE); running_offset += tab_mark.to_next_tab * - MARK_CURRENT_TEXT_FONT(&mark)->char_widths[' ']; + MARK_CURRENT_TEXT_FONT(text, &mark)->char_widths[' ']; advance_tab_mark (text, &tab_mark, '\t'); } - + advance_mark_n (&mark, len); + if (text->use_wchar) + buffer.wc += len; + else + buffer.ch += len; + chars -= len; } } @@ -3802,7 +5102,7 @@ draw_line_wrap (GtkText* text, guint height /* baseline height */) GdkPixmap *bitmap; gint bitmap_width; gint bitmap_height; - + if (text->line_wrap) { bitmap = text->line_wrap_bitmap; @@ -3815,21 +5115,21 @@ draw_line_wrap (GtkText* text, guint height /* baseline height */) bitmap_width = line_arrow_width; bitmap_height = line_arrow_height; } - + gdk_window_get_size (text->text_area, &width, NULL); width -= LINE_WRAP_ROOM; - + gdk_gc_set_stipple (text->gc, bitmap); - + gdk_gc_set_fill (text->gc, GDK_STIPPLED); - + gdk_gc_set_foreground (text->gc, >K_WIDGET (text)->style->text[GTK_STATE_NORMAL]); - + gdk_gc_set_ts_origin (text->gc, width + 1, height - bitmap_height - 1); - + gdk_draw_rectangle (text->text_area, text->gc, TRUE, @@ -3837,60 +5137,45 @@ draw_line_wrap (GtkText* text, guint height /* baseline height */) height - bitmap_height - 1 /* one pixel above the baseline. */, bitmap_width, bitmap_height); - + gdk_gc_set_ts_origin (text->gc, 0, 0); - + gdk_gc_set_fill (text->gc, GDK_SOLID); } static void undraw_cursor (GtkText* text, gint absolute) { - TDEBUG (("in undraw_cursor\n")); + GtkOldEditable *old_editable = (GtkOldEditable *) text; + TDEBUG (("in undraw_cursor\n")); + if (absolute) text->cursor_drawn_level = 0; - - if (text->has_cursor && (text->cursor_drawn_level ++ == 0) && - (GTK_EDITABLE(text)->selection_start_pos == GTK_EDITABLE(text)->selection_end_pos)) + + if ((text->cursor_drawn_level ++ == 0) && + (old_editable->selection_start_pos == old_editable->selection_end_pos) && + GTK_WIDGET_DRAWABLE (text) && text->line_start_cache) { GdkFont* font; - + g_assert(text->cursor_mark.property); - font = MARK_CURRENT_FONT(&text->cursor_mark); - - if (GTK_WIDGET (text)->style->bg_pixmap[GTK_STATE_NORMAL]) - { - GdkRectangle rect; - - rect.x = text->cursor_pos_x; - rect.y = text->cursor_pos_y - text->cursor_char_offset - font->ascent; - rect.width = 1; - rect.height = font->ascent + 1; /* @@@ I add one here because draw_line is inclusive, right? */ - - clear_area (text, &rect); - } - else - { - if (MARK_CURRENT_BACK (&text->cursor_mark)) - gdk_gc_set_foreground (text->gc, MARK_CURRENT_BACK (&text->cursor_mark)); - else - gdk_gc_set_foreground (text->gc, >K_WIDGET (text)->style->base[GTK_STATE_NORMAL]); - - gdk_draw_line (text->text_area, text->gc, text->cursor_pos_x, - text->cursor_pos_y - text->cursor_char_offset, text->cursor_pos_x, - text->cursor_pos_y - text->cursor_char_offset - font->ascent); - } + font = MARK_CURRENT_FONT(text, &text->cursor_mark); + draw_bg_rect (text, &text->cursor_mark, + text->cursor_pos_x, + text->cursor_pos_y - text->cursor_char_offset - font->ascent, + 1, font->ascent + 1, FALSE); + if (text->cursor_char) { if (font->type == GDK_FONT_FONT) gdk_gc_set_font (text->gc, font); - gdk_gc_set_foreground (text->gc, MARK_CURRENT_FORE (&text->cursor_mark)); + gdk_gc_set_foreground (text->gc, MARK_CURRENT_FORE (text, &text->cursor_mark)); - gdk_draw_text (text->text_area, font, + gdk_draw_text_wc (text->text_area, font, text->gc, text->cursor_pos_x, text->cursor_pos_y - text->cursor_char_offset, @@ -3903,56 +5188,50 @@ undraw_cursor (GtkText* text, gint absolute) static gint drawn_cursor_min (GtkText* text) { - if (text->has_cursor) - { - GdkFont* font; - - g_assert(text->cursor_mark.property); - - font = MARK_CURRENT_FONT(&text->cursor_mark); - - return text->cursor_pos_y - text->cursor_char_offset - font->ascent; - } - else - return 0; + GdkFont* font; + + g_assert(text->cursor_mark.property); + + font = MARK_CURRENT_FONT(text, &text->cursor_mark); + + return text->cursor_pos_y - text->cursor_char_offset - font->ascent; } static gint drawn_cursor_max (GtkText* text) { - if (text->has_cursor) - { - GdkFont* font; - - g_assert(text->cursor_mark.property); - - font = MARK_CURRENT_FONT(&text->cursor_mark); - - return text->cursor_pos_y - text->cursor_char_offset; - } - else - return 0; + GdkFont* font; + + g_assert(text->cursor_mark.property); + + font = MARK_CURRENT_FONT(text, &text->cursor_mark); + + return text->cursor_pos_y - text->cursor_char_offset; } static void draw_cursor (GtkText* text, gint absolute) { + GtkOldEditable *old_editable = (GtkOldEditable *)text; + TDEBUG (("in draw_cursor\n")); - + if (absolute) text->cursor_drawn_level = 1; - - if (text->has_cursor && (--text->cursor_drawn_level == 0) && - (GTK_EDITABLE(text)->selection_start_pos == GTK_EDITABLE(text)->selection_end_pos)) + + if ((--text->cursor_drawn_level == 0) && + old_editable->editable && + (old_editable->selection_start_pos == old_editable->selection_end_pos) && + GTK_WIDGET_DRAWABLE (text) && text->line_start_cache) { GdkFont* font; - + g_assert (text->cursor_mark.property); - font = MARK_CURRENT_FONT (&text->cursor_mark); + font = MARK_CURRENT_FONT (text, &text->cursor_mark); gdk_gc_set_foreground (text->gc, >K_WIDGET (text)->style->text[GTK_STATE_NORMAL]); - + gdk_draw_line (text->text_area, text->gc, text->cursor_pos_x, text->cursor_pos_y - text->cursor_char_offset, text->cursor_pos_x, @@ -3960,46 +5239,35 @@ draw_cursor (GtkText* text, gint absolute) } } +static GdkGC * +create_bg_gc (GtkText *text) +{ + GdkGCValues values; + + values.tile = GTK_WIDGET (text)->style->bg_pixmap[GTK_STATE_NORMAL]; + values.fill = GDK_TILED; + + return gdk_gc_new_with_values (text->text_area, &values, + GDK_GC_FILL | GDK_GC_TILE); +} + static void clear_area (GtkText *text, GdkRectangle *area) { GtkWidget *widget = GTK_WIDGET (text); - if (widget->style->bg_pixmap[GTK_STATE_NORMAL]) + if (text->bg_gc) { gint width, height; - gint x = area->x, y = area->y; - gint xorig, yorig; - + gdk_window_get_size (widget->style->bg_pixmap[GTK_STATE_NORMAL], &width, &height); + + gdk_gc_set_ts_origin (text->bg_gc, + (- text->first_onscreen_hor_pixel) % width, + (- text->first_onscreen_ver_pixel) % height); - yorig = - text->first_onscreen_ver_pixel; - xorig = - text->first_onscreen_hor_pixel; - - for (y = area->y; y < area->y + area->height; ) - { - gint yoff = (y - yorig) % height; - gint yw = MIN(height - yoff, (area->y + area->height) - y); - - for (x = area->x; x < area->x + area->width; ) - { - gint xoff = (x - xorig) % width; - gint xw = MIN(width - xoff, (area->x + area->width) - x); - - gdk_draw_pixmap (text->text_area, - text->gc, - widget->style->bg_pixmap[GTK_STATE_NORMAL], - xoff, - yoff, - x, - y, - xw, - yw); - - x += width - xoff; - } - y += height - yoff; - } + gdk_draw_rectangle (text->text_area, text->bg_gc, TRUE, + area->x, area->y, area->width, area->height); } else gdk_window_clear_area (text->text_area, area->x, area->y, area->width, area->height); @@ -4010,40 +5278,47 @@ expose_text (GtkText* text, GdkRectangle *area, gboolean cursor) { GList *cache = text->line_start_cache; gint pixels = - text->first_cut_pixels; - gint min_y = area->y; - gint max_y = area->y + area->height; + gint min_y = MAX (0, area->y); + gint max_y = MAX (0, area->y + area->height); gint height; - + gdk_window_get_size (text->text_area, NULL, &height); max_y = MIN (max_y, height); - + TDEBUG (("in expose x=%d y=%d w=%d h=%d\n", area->x, area->y, area->width, area->height)); - + clear_area (text, area); - + for (; pixels < height; cache = cache->next) { - if (pixels < max_y && (pixels + LINE_HEIGHT(CACHE_DATA(cache))) >= min_y) + if (pixels < max_y && (pixels + (gint)LINE_HEIGHT(CACHE_DATA(cache))) >= min_y) { draw_line (text, pixels, &CACHE_DATA(cache)); - + if (CACHE_DATA(cache).wraps) draw_line_wrap (text, pixels + CACHE_DATA(cache).font_ascent); } - - if (cursor && text->has_cursor && GTK_WIDGET_HAS_FOCUS (text)) + + if (cursor && GTK_WIDGET_HAS_FOCUS (text)) { if (CACHE_DATA(cache).start.index <= text->cursor_mark.index && CACHE_DATA(cache).end.index >= text->cursor_mark.index) - draw_cursor (text, TRUE); + { + /* We undraw and draw the cursor here to get the drawn + * level right ... FIXME - maybe the second parameter + * of draw_cursor should work differently + */ + undraw_cursor (text, FALSE); + draw_cursor (text, FALSE); + } } - + pixels += LINE_HEIGHT(CACHE_DATA(cache)); - + if (!cache->next) { fetch_lines_forward (text, 1); - + if (!cache->next) break; } @@ -4051,26 +5326,32 @@ expose_text (GtkText* text, GdkRectangle *area, gboolean cursor) } static void -gtk_text_update_text (GtkEditable *editable, - guint start_pos, - guint end_pos) +gtk_text_update_text (GtkOldEditable *old_editable, + gint start_pos, + gint end_pos) { - GtkText *text = GTK_TEXT (editable); - + GtkText *text = GTK_TEXT (old_editable); + GList *cache = text->line_start_cache; gint pixels = - text->first_cut_pixels; GdkRectangle area; gint width; gint height; + if (end_pos < 0) + end_pos = TEXT_LENGTH (text); + + if (end_pos < start_pos) + return; + gdk_window_get_size (text->text_area, &width, &height); area.x = 0; area.y = -1; area.width = width; area.height = 0; - + TDEBUG (("in expose span start=%d stop=%d\n", start_pos, end_pos)); - + for (; pixels < height; cache = cache->next) { if (CACHE_DATA(cache).start.index < end_pos) @@ -4078,24 +5359,24 @@ gtk_text_update_text (GtkEditable *editable, if (CACHE_DATA(cache).end.index >= start_pos) { if (area.y < 0) - area.y = pixels; + area.y = MAX(0,pixels); area.height = pixels + LINE_HEIGHT(CACHE_DATA(cache)) - area.y; } } else break; - + pixels += LINE_HEIGHT(CACHE_DATA(cache)); - + if (!cache->next) { fetch_lines_forward (text, 1); - + if (!cache->next) break; } } - + if (area.y >= 0) expose_text (text, &area, TRUE); } @@ -4103,63 +5384,101 @@ gtk_text_update_text (GtkEditable *editable, static void recompute_geometry (GtkText* text) { - GtkPropertyMark start_mark; + GtkPropertyMark mark, start_mark; + GList *new_lines; gint height; gint width; - + free_cache (text); + + mark = start_mark = set_vertical_scroll (text); - start_mark = set_vertical_scroll (text); + /* We need a real start of a line when calling fetch_lines(). + * not the start of a wrapped line. + */ + while (mark.index > 0 && + GTK_TEXT_INDEX (text, mark.index - 1) != LINE_DELIM) + decrement_mark (&mark); gdk_window_get_size (text->text_area, &width, &height); - text->line_start_cache = fetch_lines (text, - &start_mark, - NULL, - FetchLinesPixels, - height + text->first_cut_pixels); + /* Fetch an entire line, to make sure that we get all the text + * we backed over above, in addition to enough text to fill up + * the space vertically + */ + + new_lines = fetch_lines (text, + &mark, + NULL, + FetchLinesCount, + 1); + + mark = CACHE_DATA (g_list_last (new_lines)).end; + if (!LAST_INDEX (text, mark)) + { + advance_mark (&mark); + + new_lines = g_list_concat (new_lines, + fetch_lines (text, + &mark, + NULL, + FetchLinesPixels, + height + text->first_cut_pixels)); + } + + /* Now work forward to the actual first onscreen line */ - find_cursor (text); + while (CACHE_DATA (new_lines).start.index < start_mark.index) + new_lines = new_lines->next; + + text->line_start_cache = new_lines; + + find_cursor (text, TRUE); } /**********************************************************************/ /* Selection */ /**********************************************************************/ -void -gtk_text_set_selection (GtkEditable *editable, - guint start, - guint end) +static void +gtk_text_set_selection (GtkOldEditable *old_editable, + gint start, + gint end) { - GtkText *text = GTK_TEXT (editable); - - guint start1 = MIN(start,end); - guint end1 = MAX(start,end); - guint start2 = MIN(editable->selection_start_pos, editable->selection_end_pos); - guint end2 = MAX(editable->selection_start_pos, editable->selection_end_pos); - + GtkText *text = GTK_TEXT (old_editable); + + guint start1, end1, start2, end2; + + if (end < 0) + end = TEXT_LENGTH (text); + + start1 = MIN(start,end); + end1 = MAX(start,end); + start2 = MIN(old_editable->selection_start_pos, old_editable->selection_end_pos); + end2 = MAX(old_editable->selection_start_pos, old_editable->selection_end_pos); + if (start2 < start1) { guint tmp; - + tmp = start1; start1 = start2; start2 = tmp; tmp = end1; end1 = end2; end2 = tmp; } - + undraw_cursor (text, FALSE); - editable->selection_start_pos = start; - editable->selection_end_pos = end; + old_editable->selection_start_pos = start; + old_editable->selection_end_pos = end; draw_cursor (text, FALSE); - + /* Expose only what changed */ - + if (start1 < start2) - gtk_text_update_text (editable, start1, MIN(end1, start2)); - + gtk_text_update_text (old_editable, start1, MIN(end1, start2)); + if (end2 > end1) - gtk_text_update_text (editable, MAX(end1, start2), end2); + gtk_text_update_text (old_editable, MAX(end1, start2), end2); else if (end2 < end1) - gtk_text_update_text (editable, end2, end1); + gtk_text_update_text (old_editable, end2, end1); } @@ -4174,41 +5493,41 @@ gtk_text_show_cache_line (GtkText *text, GList *cache, { LineParams *lp = &CACHE_DATA(cache); gint i; - + if (cache == text->line_start_cache) - g_print ("Line Start Cache: "); - + g_message ("Line Start Cache: "); + if (cache == text->current_line) - g_print("Current Line: "); - - g_print ("%s:%d: cache line %s s=%d,e=%d,lh=%d (", - func, - line, - what, - lp->start.index, - lp->end.index, - LINE_HEIGHT(*lp)); - + g_message("Current Line: "); + + g_message ("%s:%d: cache line %s s=%d,e=%d,lh=%d (", + func, + line, + what, + lp->start.index, + lp->end.index, + LINE_HEIGHT(*lp)); + for (i = lp->start.index; i < (lp->end.index + lp->wraps); i += 1) - g_print ("%c", GTK_TEXT_INDEX (text, i)); - - g_print (")\n"); + g_message ("%c", GTK_TEXT_INDEX (text, i)); + + g_message (")\n"); } static void gtk_text_show_cache (GtkText *text, const char* func, gint line) { GList *l = text->line_start_cache; - + if (!l) { return; } - + /* back up to the absolute beginning of the line cache */ while (l->prev) l = l->prev; - - g_print ("*** line cache ***\n"); + + g_message ("*** line cache ***\n"); for (; l; l = l->next) gtk_text_show_cache_line (text, l, "all", func, line); } @@ -4223,7 +5542,7 @@ gtk_text_assert_mark (GtkText *text, gint line) { GtkPropertyMark correct_mark = find_mark (text, mark->index); - + if (mark->offset != correct_mark.offset || mark->property != correct_mark.property) g_warning ("incorrect %s text property marker in %s:%d, index %d -- bad!", where, msg, line, mark->index); @@ -4237,25 +5556,25 @@ gtk_text_assert (GtkText *text, GList* cache = text->line_start_cache; GtkPropertyMark* before_mark = NULL; GtkPropertyMark* after_mark = NULL; - + gtk_text_show_props (text, msg, line); - + for (; cache->prev; cache = cache->prev) /* nothing */; - - g_print ("*** line markers ***\n"); - + + g_message ("*** line markers ***\n"); + for (; cache; cache = cache->next) { after_mark = &CACHE_DATA(cache).end; gtk_text_assert_mark (text, &CACHE_DATA(cache).start, before_mark, after_mark, msg, "start", line); before_mark = &CACHE_DATA(cache).start; - + if (cache->next) after_mark = &CACHE_DATA(cache->next).start; else after_mark = NULL; - + gtk_text_assert_mark (text, &CACHE_DATA(cache).end, before_mark, after_mark, msg, "end", line); before_mark = &CACHE_DATA(cache).end; } @@ -4268,18 +5587,18 @@ gtk_text_show_adj (GtkText *text, const char* func, gint line) { - g_print ("*** adjustment ***\n"); - - g_print ("%s:%d: %s adjustment l=%.1f u=%.1f v=%.1f si=%.1f pi=%.1f ps=%.1f\n", - func, - line, - what, - adj->lower, - adj->upper, - adj->value, - adj->step_increment, - adj->page_increment, - adj->page_size); + g_message ("*** adjustment ***\n"); + + g_message ("%s:%d: %s adjustment l=%.1f u=%.1f v=%.1f si=%.1f pi=%.1f ps=%.1f\n", + func, + line, + what, + adj->lower, + adj->upper, + adj->value, + adj->step_increment, + adj->page_increment, + adj->page_size); } static void @@ -4289,20 +5608,32 @@ gtk_text_show_props (GtkText *text, { GList* props = text->text_properties; int proplen = 0; - - g_print ("%s:%d: ", msg, line); - + + g_message ("%s:%d: ", msg, line); + for (; props; props = props->next) { TextProperty *p = (TextProperty*)props->data; - + proplen += p->length; - g_print ("[%d,%p,%p,%p,%p] ", p->length, p, p->font, p->fore_color, p->back_color); + g_message ("[%d,%p,", p->length, p); + if (p->flags & PROPERTY_FONT) + g_message ("%p,", p->font); + else + g_message ("-,"); + if (p->flags & PROPERTY_FOREGROUND) + g_message ("%ld, ", p->fore_color.pixel); + else + g_message ("-,"); + if (p->flags & PROPERTY_BACKGROUND) + g_message ("%ld] ", p->back_color.pixel); + else + g_message ("-] "); } - - g_print ("\n"); - + + g_message ("\n"); + if (proplen - 1 != TEXT_LENGTH(text)) g_warning ("incorrect property list length in %s:%d -- bad!", msg, line); }