/* GTK - The GIMP Toolkit * 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 * 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. * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-1999. 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" #include "gdk/gdki18n.h" #include "gtkentry.h" #include "gtkimmulticontext.h" #include "gtkmain.h" #include "gtkselection.h" #include "gtksignal.h" #include "gtkstyle.h" #include #include #define MIN_ENTRY_WIDTH 150 #define DRAW_TIMEOUT 20 #define INNER_BORDER 2 /* Initial size of buffer, in bytes */ #define MIN_SIZE 16 /* Maximum size of text buffer, in bytes */ #define MAX_SIZE G_MAXUSHORT enum { ARG_0, ARG_MAX_LENGTH, ARG_VISIBILITY }; static void gtk_entry_class_init (GtkEntryClass *klass); static void gtk_entry_init (GtkEntry *entry); static void gtk_entry_set_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void gtk_entry_get_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void gtk_entry_finalize (GObject *object); static void gtk_entry_realize (GtkWidget *widget); static void gtk_entry_unrealize (GtkWidget *widget); static void gtk_entry_draw_focus (GtkWidget *widget); static void gtk_entry_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_entry_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_entry_draw (GtkWidget *widget, GdkRectangle *area); static gint gtk_entry_expose (GtkWidget *widget, GdkEventExpose *event); static gint gtk_entry_button_press (GtkWidget *widget, GdkEventButton *event); static gint gtk_entry_button_release (GtkWidget *widget, GdkEventButton *event); static gint gtk_entry_motion_notify (GtkWidget *widget, GdkEventMotion *event); static gint gtk_entry_key_press (GtkWidget *widget, GdkEventKey *event); static gint gtk_entry_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint gtk_entry_focus_out (GtkWidget *widget, GdkEventFocus *event); static void gtk_entry_draw_text (GtkEntry *entry); static void gtk_entry_ensure_layout (GtkEntry *entry); static void gtk_entry_draw_cursor (GtkEntry *entry); static void gtk_entry_style_set (GtkWidget *widget, GtkStyle *previous_style); static void gtk_entry_state_changed (GtkWidget *widget, GtkStateType previous_state); static void gtk_entry_queue_draw (GtkEntry *entry); static gint gtk_entry_find_position (GtkEntry *entry, gint x); static void gtk_entry_get_cursor_locations (GtkEntry *entry, gint *strong_x, gint *weak_x); static void entry_adjust_scroll (GtkEntry *entry); static void gtk_entry_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position); static void gtk_entry_delete_text (GtkEditable *editable, gint start_pos, gint end_pos); static void gtk_entry_update_text (GtkEditable *editable, gint start_pos, gint end_pos); static gchar * gtk_entry_get_chars (GtkEditable *editable, gint start_pos, gint end_pos); /* Binding actions */ static void gtk_entry_move_cursor (GtkEditable *editable, gint x, gint y); static void gtk_entry_move_word (GtkEditable *editable, gint n); static void gtk_entry_move_to_column (GtkEditable *editable, gint row); static void gtk_entry_kill_char (GtkEditable *editable, gint direction); static void gtk_entry_kill_word (GtkEditable *editable, gint direction); static void gtk_entry_kill_line (GtkEditable *editable, gint direction); /* To be removed */ static void gtk_move_forward_character (GtkEntry *entry); static void gtk_move_backward_character (GtkEntry *entry); static void gtk_move_forward_word (GtkEntry *entry); static void gtk_move_backward_word (GtkEntry *entry); static void gtk_move_beginning_of_line (GtkEntry *entry); static void gtk_move_end_of_line (GtkEntry *entry); static void gtk_delete_forward_character (GtkEntry *entry); static void gtk_delete_backward_character (GtkEntry *entry); static void gtk_delete_forward_word (GtkEntry *entry); static void gtk_delete_backward_word (GtkEntry *entry); static void gtk_delete_line (GtkEntry *entry); static void gtk_delete_to_line_end (GtkEntry *entry); static void gtk_select_word (GtkEntry *entry, guint32 time); static void gtk_select_line (GtkEntry *entry, guint32 time); static void gtk_entry_set_selection (GtkEditable *editable, gint start, gint end); static void gtk_entry_set_position_from_editable (GtkEditable *editable, gint position); static void gtk_entry_commit_cb (GtkIMContext *context, const gchar *str, GtkEntry *entry); static GtkWidgetClass *parent_class = NULL; static GdkAtom ctext_atom = GDK_NONE; static const GtkTextFunction control_keys[26] = { (GtkTextFunction)gtk_move_beginning_of_line, /* a */ (GtkTextFunction)gtk_move_backward_character, /* b */ (GtkTextFunction)gtk_editable_copy_clipboard, /* c */ (GtkTextFunction)gtk_delete_forward_character, /* d */ (GtkTextFunction)gtk_move_end_of_line, /* e */ (GtkTextFunction)gtk_move_forward_character, /* f */ NULL, /* g */ (GtkTextFunction)gtk_delete_backward_character, /* h */ NULL, /* i */ NULL, /* j */ (GtkTextFunction)gtk_delete_to_line_end, /* k */ NULL, /* l */ NULL, /* m */ NULL, /* n */ NULL, /* o */ NULL, /* p */ NULL, /* q */ NULL, /* r */ NULL, /* s */ NULL, /* t */ (GtkTextFunction)gtk_delete_line, /* u */ (GtkTextFunction)gtk_editable_paste_clipboard, /* v */ (GtkTextFunction)gtk_delete_backward_word, /* w */ (GtkTextFunction)gtk_editable_cut_clipboard, /* x */ NULL, /* y */ NULL, /* z */ }; static const GtkTextFunction alt_keys[26] = { NULL, /* a */ (GtkTextFunction)gtk_move_backward_word, /* b */ NULL, /* c */ (GtkTextFunction)gtk_delete_forward_word, /* d */ NULL, /* e */ (GtkTextFunction)gtk_move_forward_word, /* f */ NULL, /* g */ NULL, /* h */ NULL, /* i */ NULL, /* j */ NULL, /* k */ NULL, /* l */ NULL, /* m */ NULL, /* n */ NULL, /* o */ NULL, /* p */ NULL, /* q */ NULL, /* r */ NULL, /* s */ NULL, /* t */ NULL, /* u */ NULL, /* v */ NULL, /* w */ NULL, /* x */ NULL, /* y */ NULL, /* z */ }; GtkType gtk_entry_get_type (void) { static GtkType entry_type = 0; if (!entry_type) { static const GtkTypeInfo entry_info = { "GtkEntry", sizeof (GtkEntry), sizeof (GtkEntryClass), (GtkClassInitFunc) gtk_entry_class_init, (GtkObjectInitFunc) gtk_entry_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; entry_type = gtk_type_unique (GTK_TYPE_EDITABLE, &entry_info); } return entry_type; } static void gtk_entry_class_init (GtkEntryClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkEditableClass *editable_class; object_class = (GtkObjectClass*) class; widget_class = (GtkWidgetClass*) class; editable_class = (GtkEditableClass*) class; parent_class = gtk_type_class (GTK_TYPE_EDITABLE); gobject_class->finalize = gtk_entry_finalize; gtk_object_add_arg_type ("GtkEntry::max_length", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_MAX_LENGTH); gtk_object_add_arg_type ("GtkEntry::visibility", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_VISIBILITY); object_class->set_arg = gtk_entry_set_arg; object_class->get_arg = gtk_entry_get_arg; widget_class->realize = gtk_entry_realize; widget_class->unrealize = gtk_entry_unrealize; widget_class->draw_focus = gtk_entry_draw_focus; widget_class->size_request = gtk_entry_size_request; widget_class->size_allocate = gtk_entry_size_allocate; widget_class->draw = gtk_entry_draw; widget_class->expose_event = gtk_entry_expose; widget_class->button_press_event = gtk_entry_button_press; widget_class->button_release_event = gtk_entry_button_release; widget_class->motion_notify_event = gtk_entry_motion_notify; widget_class->key_press_event = gtk_entry_key_press; widget_class->focus_in_event = gtk_entry_focus_in; widget_class->focus_out_event = gtk_entry_focus_out; widget_class->style_set = gtk_entry_style_set; widget_class->state_changed = gtk_entry_state_changed; editable_class->insert_text = gtk_entry_insert_text; editable_class->delete_text = gtk_entry_delete_text; editable_class->changed = (void (*)(GtkEditable *)) entry_adjust_scroll; editable_class->move_cursor = gtk_entry_move_cursor; editable_class->move_word = gtk_entry_move_word; editable_class->move_to_column = gtk_entry_move_to_column; editable_class->kill_char = gtk_entry_kill_char; editable_class->kill_word = gtk_entry_kill_word; editable_class->kill_line = gtk_entry_kill_line; editable_class->update_text = gtk_entry_update_text; editable_class->get_chars = gtk_entry_get_chars; editable_class->set_selection = gtk_entry_set_selection; editable_class->set_position = gtk_entry_set_position_from_editable; } static void gtk_entry_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkEntry *entry; entry = GTK_ENTRY (object); switch (arg_id) { case ARG_MAX_LENGTH: gtk_entry_set_max_length (entry, GTK_VALUE_UINT (*arg)); break; case ARG_VISIBILITY: gtk_entry_set_visibility (entry, GTK_VALUE_BOOL (*arg)); break; default: break; } } static void gtk_entry_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkEntry *entry; entry = GTK_ENTRY (object); switch (arg_id) { case ARG_MAX_LENGTH: GTK_VALUE_UINT (*arg) = entry->text_max_length; break; case ARG_VISIBILITY: GTK_VALUE_BOOL (*arg) = GTK_EDITABLE (entry)->visible; break; default: arg->type = GTK_TYPE_INVALID; break; } } static void gtk_entry_init (GtkEntry *entry) { GTK_WIDGET_SET_FLAGS (entry, GTK_CAN_FOCUS); entry->text_area = NULL; entry->text_size = MIN_SIZE; entry->text = g_malloc (entry->text_size); entry->text[0] = '\0'; entry->text_length = 0; entry->text_max_length = 0; entry->n_bytes = 0; entry->scroll_offset = 0; entry->timer = 0; entry->button = 0; entry->ascent = 0; /* This object is completely private. No external entity can gain a reference * to it; so we create it here and destroy it in finalize(). */ entry->im_context = gtk_im_multicontext_new (); gtk_signal_connect (GTK_OBJECT (entry->im_context), "commit", GTK_SIGNAL_FUNC (gtk_entry_commit_cb), entry); } GtkWidget* gtk_entry_new (void) { return GTK_WIDGET (gtk_type_new (GTK_TYPE_ENTRY)); } GtkWidget* gtk_entry_new_with_max_length (guint16 max) { GtkEntry *entry; entry = gtk_type_new (GTK_TYPE_ENTRY); entry->text_max_length = max; return GTK_WIDGET (entry); } void gtk_entry_set_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; GtkEditable *editable; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); editable = GTK_EDITABLE (entry); gtk_entry_delete_text (GTK_EDITABLE(entry), 0, entry->text_length); tmp_pos = 0; gtk_editable_insert_text (editable, text, strlen (text), &tmp_pos); editable->current_pos = tmp_pos; } void gtk_entry_append_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); tmp_pos = entry->text_length; gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos); } void gtk_entry_prepend_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); tmp_pos = 0; gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos); } void gtk_entry_set_position (GtkEntry *entry, gint position) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if ((position == -1) || (position > entry->text_length)) GTK_EDITABLE(entry)->current_pos = entry->text_length; else GTK_EDITABLE(entry)->current_pos = position; entry_adjust_scroll (entry); } static void gtk_entry_set_position_from_editable (GtkEditable *editable, gint position) { gtk_entry_set_position (GTK_ENTRY (editable), position); } void gtk_entry_set_visibility (GtkEntry *entry, gboolean visible) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); GTK_EDITABLE (entry)->visible = visible ? TRUE : FALSE; gtk_entry_queue_draw (entry); } void gtk_entry_set_editable(GtkEntry *entry, gboolean editable) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); gtk_editable_set_editable (GTK_EDITABLE (entry), editable); } gchar* gtk_entry_get_text (GtkEntry *entry) { g_return_val_if_fail (entry != NULL, NULL); g_return_val_if_fail (GTK_IS_ENTRY (entry), NULL); return entry->text; } static void gtk_entry_finalize (GObject *object) { GtkEntry *entry; g_return_if_fail (GTK_IS_ENTRY (object)); entry = GTK_ENTRY (object); if (entry->layout) g_object_unref (G_OBJECT (entry->layout)); gtk_object_unref (GTK_OBJECT (entry->im_context)); if (entry->timer) gtk_timeout_remove (entry->timer); entry->text_size = 0; if (entry->text) g_free (entry->text); entry->text = NULL; G_OBJECT_CLASS (parent_class)->finalize (object); } static void gtk_entry_realize (GtkWidget *widget) { GtkEntry *entry; GtkEditable *editable; GtkRequisition requisition; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); gtk_widget_get_child_requisition (widget, &requisition); attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x; attributes.y = widget->allocation.y + (widget->allocation.height - requisition.height) / 2; attributes.width = widget->allocation.width; attributes.height = requisition.height; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON3_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_ENTER_NOTIFY_MASK | 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, entry); attributes.x = widget->style->xthickness; attributes.y = widget->style->ythickness; attributes.width = widget->allocation.width - attributes.x * 2; attributes.height = requisition.height - attributes.y * 2; attributes.cursor = entry->cursor = gdk_cursor_new (GDK_XTERM); attributes_mask |= GDK_WA_CURSOR; entry->text_area = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (entry->text_area, entry); widget->style = gtk_style_attach (widget->style, widget->window); gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_show (entry->text_area); if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME); gtk_im_context_set_client_window (entry->im_context, entry->text_area); } static void gtk_entry_unrealize (GtkWidget *widget) { GtkEntry *entry; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); entry = GTK_ENTRY (widget); gtk_im_context_set_client_window (entry->im_context, entry->text_area); if (entry->text_area) { gdk_window_set_user_data (entry->text_area, NULL); gdk_window_destroy (entry->text_area); entry->text_area = NULL; gdk_cursor_destroy (entry->cursor); entry->cursor = NULL; } if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } static void gtk_entry_draw_focus (GtkWidget *widget) { gint width, height; gint x, y; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (GTK_WIDGET_DRAWABLE (widget)) { x = 0; y = 0; gdk_window_get_size (widget->window, &width, &height); if (GTK_WIDGET_HAS_FOCUS (widget)) { x += 1; y += 1; width -= 2; height -= 2; } gtk_paint_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL, widget, "entry", x, y, width, height); if (GTK_WIDGET_HAS_FOCUS (widget)) { gdk_window_get_size (widget->window, &width, &height); gtk_paint_focus (widget->style, widget->window, NULL, widget, "entry", 0, 0, width - 1, height - 1); } } } static void gtk_entry_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkEntry *entry; PangoFontMetrics metrics; PangoFont *font; gchar *lang; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (requisition != NULL); entry = GTK_ENTRY (widget); /* We do this to deal with direction changes - should that be a signal? */ if (entry->layout) { g_object_unref (G_OBJECT (entry->layout)); entry->layout = NULL; } gtk_entry_ensure_layout (entry); /* hackish for now, get metrics */ font = pango_context_load_font (pango_layout_get_context (entry->layout), widget->style->font_desc); lang = pango_context_get_lang (pango_layout_get_context (entry->layout)); pango_font_get_metrics (font, lang, &metrics); g_free (lang); g_object_unref (G_OBJECT (font)); entry->ascent = metrics.ascent; requisition->width = MIN_ENTRY_WIDTH + (widget->style->xthickness + INNER_BORDER) * 2; requisition->height = ((metrics.ascent + metrics.descent) / PANGO_SCALE + (widget->style->ythickness + INNER_BORDER) * 2); } static void gtk_entry_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkEntry *entry; GtkEditable *editable; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (allocation != NULL); widget->allocation = *allocation; entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (GTK_WIDGET_REALIZED (widget)) { /* We call gtk_widget_get_child_requisition, since we want (for * backwards compatibility reasons) the realization here to * be affected by the usize of the entry, if set */ GtkRequisition requisition; gtk_widget_get_child_requisition (widget, &requisition); gdk_window_move_resize (widget->window, allocation->x, allocation->y + (allocation->height - requisition.height) / 2, allocation->width, requisition.height); gdk_window_move_resize (entry->text_area, widget->style->xthickness, widget->style->ythickness, allocation->width - widget->style->xthickness * 2, requisition.height - widget->style->ythickness * 2); } /* And make sure the cursor is on screen */ entry_adjust_scroll (entry); } static void gtk_entry_draw (GtkWidget *widget, GdkRectangle *area) { GtkEntry *entry; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (area != NULL); entry = GTK_ENTRY (widget); if (GTK_WIDGET_DRAWABLE (widget)) { GdkRectangle tmp_area = *area; tmp_area.x -= widget->style->xthickness; tmp_area.y -= widget->style->xthickness; gdk_window_begin_paint_rect (entry->text_area, &tmp_area); gtk_widget_draw_focus (widget); gtk_entry_draw_text (GTK_ENTRY (widget)); gtk_entry_draw_cursor (GTK_ENTRY (widget)); gdk_window_end_paint (entry->text_area); } } static gint gtk_entry_expose (GtkWidget *widget, GdkEventExpose *event) { GtkEntry *entry; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); if (widget->window == event->window) gtk_widget_draw_focus (widget); else if (entry->text_area == event->window) { gtk_entry_draw_text (GTK_ENTRY (widget)); gtk_entry_draw_cursor (GTK_ENTRY (widget)); } return FALSE; } static gint gtk_entry_button_press (GtkWidget *widget, GdkEventButton *event) { GtkEntry *entry; GtkEditable *editable; gint tmp_pos; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (ctext_atom == GDK_NONE) ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (entry->button && (event->button != entry->button)) return FALSE; entry->button = event->button; if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); if (event->button == 1) { switch (event->type) { case GDK_BUTTON_PRESS: gtk_grab_add (widget); tmp_pos = gtk_entry_find_position (entry, event->x + entry->scroll_offset); /* Set it now, so we display things right. We'll unset it * later if things don't work out */ editable->has_selection = TRUE; gtk_entry_set_selection (editable, tmp_pos, tmp_pos); editable->current_pos = editable->selection_start_pos; break; case GDK_2BUTTON_PRESS: gtk_select_word (entry, event->time); break; case GDK_3BUTTON_PRESS: gtk_select_line (entry, event->time); break; default: break; } return TRUE; } else if (event->type == GDK_BUTTON_PRESS) { if ((event->button == 2) && editable->editable) { if (editable->selection_start_pos == editable->selection_end_pos || editable->has_selection) editable->current_pos = gtk_entry_find_position (entry, event->x + entry->scroll_offset); gtk_selection_convert (widget, GDK_SELECTION_PRIMARY, ctext_atom, event->time); } else { gtk_grab_add (widget); tmp_pos = gtk_entry_find_position (entry, event->x + entry->scroll_offset); gtk_entry_set_selection (editable, tmp_pos, tmp_pos); editable->has_selection = FALSE; editable->current_pos = editable->selection_start_pos; if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } return TRUE; } return FALSE; } static gint gtk_entry_button_release (GtkWidget *widget, GdkEventButton *event) { GtkEntry *entry; GtkEditable *editable; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (entry->button != event->button) return FALSE; entry->button = 0; if (event->button == 1) { gtk_grab_remove (widget); editable->has_selection = FALSE; if (editable->selection_start_pos != editable->selection_end_pos) { if (gtk_selection_owner_set (widget, GDK_SELECTION_PRIMARY, event->time)) editable->has_selection = TRUE; else gtk_entry_queue_draw (entry); } else { if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } return TRUE; } else if (event->button == 3) { gtk_grab_remove (widget); return TRUE; } return FALSE; } static gint gtk_entry_motion_notify (GtkWidget *widget, GdkEventMotion *event) { GtkEntry *entry; gint x; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); if (entry->button == 0) return FALSE; x = event->x; if (event->is_hint || (entry->text_area != event->window)) gdk_window_get_pointer (entry->text_area, &x, NULL, NULL); GTK_EDITABLE(entry)->selection_end_pos = gtk_entry_find_position (entry, x + entry->scroll_offset); GTK_EDITABLE(entry)->current_pos = GTK_EDITABLE(entry)->selection_end_pos; entry_adjust_scroll (entry); gtk_entry_queue_draw (entry); return TRUE; } static gint gtk_entry_key_press (GtkWidget *widget, GdkEventKey *event) { GtkEntry *entry; GtkEditable *editable; gint return_val; gint key; guint initial_pos; gint extend_selection; gint extend_start; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); return_val = FALSE; if(editable->editable == FALSE) return FALSE; initial_pos = editable->current_pos; extend_selection = event->state & GDK_SHIFT_MASK; extend_start = FALSE; if (extend_selection) { if (editable->selection_start_pos == editable->selection_end_pos) { editable->selection_start_pos = editable->current_pos; editable->selection_end_pos = editable->current_pos; } extend_start = (editable->current_pos == editable->selection_start_pos); } switch (event->keyval) { case GDK_BackSpace: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_delete_backward_word (entry); else gtk_delete_backward_character (entry); break; case GDK_Clear: return_val = TRUE; gtk_delete_line (entry); break; case GDK_Insert: return_val = TRUE; if (event->state & GDK_SHIFT_MASK) { extend_selection = FALSE; gtk_editable_paste_clipboard (editable); } else if (event->state & GDK_CONTROL_MASK) { gtk_editable_copy_clipboard (editable); } else { /* gtk_toggle_insert(entry) -- IMPLEMENT */ } break; case GDK_Delete: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_delete_forward_word (entry); else if (event->state & GDK_SHIFT_MASK) { extend_selection = FALSE; gtk_editable_cut_clipboard (editable); } else gtk_delete_forward_character (entry); break; case GDK_Home: return_val = TRUE; gtk_move_beginning_of_line (entry); break; case GDK_End: return_val = TRUE; gtk_move_end_of_line (entry); break; case GDK_Left: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_move_backward_word (entry); else gtk_move_backward_character (entry); break; case GDK_Right: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_move_forward_word (entry); else gtk_move_forward_character (entry); break; case GDK_Return: return_val = TRUE; gtk_widget_activate (widget); break; /* The next two keys should not be inserted literally. Any others ??? */ case GDK_Tab: case GDK_Escape: break; default: if ((event->keyval >= 0x20) && (event->keyval <= 0xFF)) { key = event->keyval; if (event->state & GDK_CONTROL_MASK) { if ((key >= 'A') && (key <= 'Z')) key -= 'A' - 'a'; if ((key >= 'a') && (key <= 'z') && control_keys[key - 'a']) { (* control_keys[key - 'a']) (editable, event->time); return_val = TRUE; } break; } else if (event->state & GDK_MOD1_MASK) { if ((key >= 'A') && (key <= 'Z')) key -= 'A' - 'a'; if ((key >= 'a') && (key <= 'z') && alt_keys[key - 'a']) { (* alt_keys[key - 'a']) (editable, event->time); return_val = TRUE; } break; } } gtk_im_context_filter_keypress (entry->im_context, event); break; } /* since we emit signals from within the above code, * the widget might already be destroyed or at least * unrealized. */ if (GTK_WIDGET_REALIZED (editable) && return_val && (editable->current_pos != initial_pos)) { if (extend_selection) { if (editable->current_pos < editable->selection_start_pos) editable->selection_start_pos = editable->current_pos; else if (editable->current_pos > editable->selection_end_pos) editable->selection_end_pos = editable->current_pos; else { if (extend_start) editable->selection_start_pos = editable->current_pos; else editable->selection_end_pos = editable->current_pos; } } else { editable->selection_start_pos = 0; editable->selection_end_pos = 0; } gtk_editable_claim_selection (editable, editable->selection_start_pos != editable->selection_end_pos, event->time); entry_adjust_scroll (entry); gtk_entry_queue_draw (entry); } return return_val; } static gint gtk_entry_focus_in (GtkWidget *widget, GdkEventFocus *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); gtk_entry_queue_draw (GTK_ENTRY (widget)); gtk_im_context_focus_in (GTK_ENTRY (widget)->im_context); return FALSE; } static gint gtk_entry_focus_out (GtkWidget *widget, GdkEventFocus *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); gtk_entry_queue_draw (GTK_ENTRY (widget)); gtk_im_context_focus_out (GTK_ENTRY (widget)->im_context); return FALSE; } static void gtk_entry_ensure_layout (GtkEntry *entry) { GtkWidget *widget = GTK_WIDGET (entry); if (!entry->layout) { entry->layout = gtk_widget_create_pango_layout (widget); pango_layout_set_text (entry->layout, entry->text, entry->n_bytes); } } static void gtk_entry_draw_text (GtkEntry *entry) { GtkWidget *widget; PangoLayoutLine *line; GtkEditable *editable = GTK_EDITABLE (entry); g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (GTK_WIDGET_DRAWABLE (entry)) { PangoRectangle logical_rect; int area_height; gdk_window_get_size (entry->text_area, NULL, &area_height); area_height = PANGO_SCALE * (area_height - 2 * INNER_BORDER); widget = GTK_WIDGET (entry); gtk_entry_ensure_layout (entry); line = pango_layout_get_lines (entry->layout)->data; pango_layout_line_get_extents (line, NULL, &logical_rect); gdk_draw_layout (entry->text_area, widget->style->text_gc [widget->state], INNER_BORDER - entry->scroll_offset, INNER_BORDER + ((area_height - logical_rect.height) / 2 + entry->ascent + logical_rect.y) / PANGO_SCALE, entry->layout); if (editable->selection_start_pos != editable->selection_end_pos) { gint *ranges; gint n_ranges, i; gint start_index = g_utf8_offset_to_pointer (entry->text, MIN (editable->selection_start_pos, editable->selection_end_pos)) - entry->text; gint end_index = g_utf8_offset_to_pointer (entry->text, MAX (editable->selection_start_pos, editable->selection_end_pos)) - entry->text; GtkStateType selected_state = editable->has_selection ? GTK_STATE_SELECTED : GTK_STATE_ACTIVE; GdkRegion *clip_region = gdk_region_new (); pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges); for (i=0; i < n_ranges; i++) { GdkRectangle rect; rect.x = INNER_BORDER - entry->scroll_offset + ranges[2*i] / PANGO_SCALE; rect.y = INNER_BORDER + (entry->ascent + logical_rect.y) / PANGO_SCALE; rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE; rect.height = logical_rect.height / PANGO_SCALE; gdk_draw_rectangle (entry->text_area, widget->style->bg_gc [selected_state], TRUE, rect.x, rect.y, rect.width, rect.height); gdk_region_union_with_rect (clip_region, &rect); } gdk_gc_set_clip_region (widget->style->fg_gc [selected_state], clip_region); gdk_draw_layout (entry->text_area, widget->style->fg_gc [selected_state], INNER_BORDER - entry->scroll_offset, INNER_BORDER + ((area_height - logical_rect.height) / 2 + entry->ascent + logical_rect.y) / PANGO_SCALE, entry->layout); gdk_gc_set_clip_region (widget->style->fg_gc [selected_state], NULL); gdk_region_destroy (clip_region); g_free (ranges); } } } static void gtk_entry_draw_cursor (GtkEntry *entry) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (GTK_WIDGET_DRAWABLE (entry)) { GtkWidget *widget = GTK_WIDGET (entry); GtkEditable *editable = GTK_EDITABLE (entry); if (GTK_WIDGET_HAS_FOCUS (widget) && (editable->selection_start_pos == editable->selection_end_pos)) { gint xoffset = INNER_BORDER - entry->scroll_offset; gint strong_x, weak_x; gint text_area_height; gdk_window_get_size (entry->text_area, NULL, &text_area_height); gtk_entry_get_cursor_locations (entry, &strong_x, &weak_x); gdk_draw_line (entry->text_area, widget->style->bg_gc[GTK_STATE_SELECTED], xoffset + strong_x, INNER_BORDER, xoffset + strong_x, text_area_height - INNER_BORDER); if (weak_x != strong_x) gdk_draw_line (entry->text_area, widget->style->fg_gc[GTK_STATE_NORMAL], xoffset + weak_x, INNER_BORDER, xoffset + weak_x, text_area_height - INNER_BORDER); } } } static void gtk_entry_queue_draw (GtkEntry *entry) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (GTK_WIDGET_REALIZED (entry)) { GdkRectangle rect = { 0 }; gdk_window_get_size (entry->text_area, &rect.width, &rect.height); gdk_window_invalidate_rect (entry->text_area, &rect, 0); } } #if 0 static gint gtk_entry_timer (gpointer data) { GtkEntry *entry; GDK_THREADS_ENTER (); entry = GTK_ENTRY (data); entry->timer = 0; GDK_THREADS_LEAVE (); return FALSE; } #endif static gint gtk_entry_find_position (GtkEntry *entry, gint x) { PangoLayoutLine *line; gint index; gboolean trailing; gtk_entry_ensure_layout (entry); line = pango_layout_get_lines (entry->layout)->data; pango_layout_line_x_to_index (line, x * PANGO_SCALE, &index, &trailing); if (trailing) index = g_utf8_next_char (entry->text + index) - entry->text; return index; } static void gtk_entry_get_cursor_locations (GtkEntry *entry, gint *strong_x, gint *weak_x) { GtkEditable *editable = GTK_EDITABLE (entry); int index; PangoRectangle strong_pos, weak_pos; gtk_entry_ensure_layout (entry); index = g_utf8_offset_to_pointer (entry->text, editable->current_pos) - entry->text; pango_layout_get_cursor_pos (entry->layout, index, &strong_pos, &weak_pos); if (strong_x) *strong_x = strong_pos.x / PANGO_SCALE; if (weak_x) *weak_x = weak_pos.x / PANGO_SCALE; } static void entry_adjust_scroll (GtkEntry *entry) { GtkWidget *widget; gint min_offset, max_offset; gint text_area_width; gint strong_x, weak_x; gint strong_xoffset, weak_xoffset; PangoLayoutLine *line; PangoRectangle logical_rect; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); widget = GTK_WIDGET (entry); text_area_width = widget->allocation.width - 2 * (widget->style->xthickness + INNER_BORDER); if (!entry->layout) return; line = pango_layout_get_lines (entry->layout)->data; /* Display as much text as we can */ pango_layout_line_get_extents (line, NULL, &logical_rect); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) { min_offset = 0; max_offset = MAX (min_offset, logical_rect.width / PANGO_SCALE - text_area_width); } else { max_offset = logical_rect.width / PANGO_SCALE - text_area_width; min_offset = MIN (0, max_offset); } entry->scroll_offset = CLAMP (entry->scroll_offset, min_offset, max_offset); /* And make sure cursors are on screen. Note that the cursor is * actually drawn one pixel into the INNER_BORDER space on * the right, when the scroll is at the utmost right. This * looks better to to me than confining the cursor inside the * border entirely, though it means that the cursor gets one * pixel closer to the the edge of the widget on the right than * on the left. This might need changing if one changed * INNER_BORDER from 2 to 1, as one would do on a * small-screen-real-estate display. * * We always make sure that the strong cursor is on screen, and * put the weak cursor on screen if possible. */ gtk_entry_get_cursor_locations (entry, &strong_x, &weak_x); strong_xoffset = strong_x - entry->scroll_offset; if (strong_xoffset < 0) { entry->scroll_offset += strong_xoffset; strong_xoffset = 0; } else if (strong_xoffset > text_area_width) { entry->scroll_offset += strong_xoffset - text_area_width; strong_xoffset = text_area_width; } weak_xoffset = weak_x - entry->scroll_offset; if (weak_xoffset < 0 && strong_xoffset - weak_xoffset <= text_area_width) { entry->scroll_offset += weak_xoffset; } else if (weak_xoffset > text_area_width && strong_xoffset - (weak_xoffset - text_area_width) >= 0) { entry->scroll_offset += weak_xoffset - text_area_width; } gtk_widget_queue_draw (GTK_WIDGET (entry)); } static void gtk_entry_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position) { gint index; gint n_chars; GtkEntry *entry; GtkWidget *widget; g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); g_return_if_fail (position != NULL); g_return_if_fail (*position >= 0 || *position < GTK_ENTRY (editable)->text_size); entry = GTK_ENTRY (editable); widget = GTK_WIDGET (editable); if (new_text_length < 0) new_text_length = strlen (new_text); n_chars = g_utf8_strlen (new_text, new_text_length); if (entry->text_max_length > 0 && n_chars + entry->text_length > entry->text_max_length) { gdk_beep (); n_chars = entry->text_max_length - entry->text_length; } if (new_text_length + entry->n_bytes + 1 > entry->text_size) { while (new_text_length + entry->n_bytes + 1 > entry->text_size) { if (entry->text_size == 0) entry->text_size = MIN_SIZE; else { if (2 * (guint)entry->text_size < MAX_SIZE && 2 * (guint)entry->text_size > entry->text_size) entry->text_size *= 2; else { entry->text_size = MAX_SIZE; new_text_length = entry->text_size - new_text_length - 1; break; } } } entry->text = g_realloc (entry->text, entry->text_size); } index = g_utf8_offset_to_pointer (entry->text, *position) - entry->text; g_memmove (entry->text + index + new_text_length, entry->text + index, entry->n_bytes - index); memcpy (entry->text + index, new_text, new_text_length); entry->n_bytes += new_text_length; entry->text_length += n_chars; /* NUL terminate for safety and convenience */ entry->text[entry->n_bytes] = '\0'; if (editable->current_pos > *position) editable->current_pos += n_chars; if (editable->selection_start_pos > *position) editable->selection_start_pos += n_chars; if (editable->selection_end_pos > *position) editable->selection_end_pos += n_chars; *position += n_chars; if (entry->layout) pango_layout_set_text (entry->layout, entry->text, entry->n_bytes); gtk_entry_queue_draw (entry); } static void gtk_entry_delete_text (GtkEditable *editable, gint start_pos, gint end_pos) { GtkEntry *entry; g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); entry = GTK_ENTRY (editable); if (end_pos < 0) end_pos = entry->text_length; if ((start_pos < end_pos) && (start_pos >= 0) && (end_pos <= entry->text_length)) { gint start_index = g_utf8_offset_to_pointer (entry->text, start_pos) - entry->text; gint end_index = g_utf8_offset_to_pointer (entry->text, end_pos) - entry->text; g_memmove (entry->text + start_index, entry->text + end_index, entry->n_bytes - end_index); entry->text_length -= (end_pos - start_pos); entry->n_bytes -= (end_index - start_index); if (editable->current_pos > start_pos) editable->current_pos -= MIN (editable->current_pos, end_pos) - start_pos; if (editable->selection_start_pos > start_pos) editable->selection_start_pos -= MIN (editable->selection_start_pos, end_pos) - start_pos; if (editable->selection_end_pos > start_pos) editable->selection_end_pos -= MIN (editable->selection_end_pos, end_pos) - start_pos; } gtk_entry_queue_draw (entry); if (entry->layout) pango_layout_set_text (entry->layout, entry->text, entry->n_bytes); } static void gtk_entry_update_text (GtkEditable *editable, gint start_pos, gint end_pos) { GtkEntry *entry = GTK_ENTRY (editable); gtk_entry_queue_draw (entry); } static gchar * gtk_entry_get_chars (GtkEditable *editable, gint start_pos, gint end_pos) { GtkEntry *entry; gint start_index, end_index; g_return_val_if_fail (editable != NULL, NULL); g_return_val_if_fail (GTK_IS_ENTRY (editable), NULL); entry = GTK_ENTRY (editable); if (end_pos < 0) end_pos = entry->text_length; start_pos = MIN (entry->text_length, start_pos); end_pos = MIN (entry->text_length, end_pos); start_index = g_utf8_offset_to_pointer (entry->text, start_pos) - entry->text; end_index = g_utf8_offset_to_pointer (entry->text, end_pos) - entry->text; return g_strndup (entry->text + start_index, end_index - start_index); } static void gtk_entry_move_cursor (GtkEditable *editable, gint x, gint y) { GtkEntry *entry; gint index; entry = GTK_ENTRY (editable); index = g_utf8_offset_to_pointer (entry->text, editable->current_pos) - entry->text; /* Horizontal motion */ if ((gint)editable->current_pos < -x) editable->current_pos = 0; else if (editable->current_pos + x > entry->text_length) editable->current_pos = entry->text_length; else editable->current_pos += x; /* Ignore vertical motion */ } static void gtk_entry_move_cursor_visually (GtkEditable *editable, gint count) { GtkEntry *entry; gint index; entry = GTK_ENTRY (editable); index = g_utf8_offset_to_pointer (entry->text, editable->current_pos) - entry->text; gtk_entry_ensure_layout (entry); while (count != 0) { int new_index, new_trailing; if (count > 0) { pango_layout_move_cursor_visually (entry->layout, index, 0, 1, &new_index, &new_trailing); count--; } else { pango_layout_move_cursor_visually (entry->layout, index, 0, -1, &new_index, &new_trailing); count++; } if (new_index < 0 || new_index == G_MAXINT) break; if (new_trailing) index = g_utf8_next_char (entry->text + new_index) - entry->text; else index = new_index; } editable->current_pos = g_utf8_pointer_to_offset (entry->text, entry->text + index); } static void gtk_move_forward_character (GtkEntry *entry) { gtk_entry_move_cursor_visually (GTK_EDITABLE (entry), 1); } static void gtk_move_backward_character (GtkEntry *entry) { gtk_entry_move_cursor_visually (GTK_EDITABLE (entry), -1); } static void gtk_entry_move_word (GtkEditable *editable, gint n) { while (n-- > 0) gtk_move_forward_word (GTK_ENTRY (editable)); while (n++ < 0) gtk_move_backward_word (GTK_ENTRY (editable)); } static void gtk_move_forward_word (GtkEntry *entry) { GtkEditable *editable; gint i; editable = GTK_EDITABLE (entry); /* Prevent any leak of information */ if (!editable->visible) { editable->current_pos = entry->text_length; return; } if (entry->text && (editable->current_pos < entry->text_length)) { PangoLogAttr *log_attrs; gint n_attrs, old_pos; gtk_entry_ensure_layout (entry); pango_layout_get_log_attrs (entry->layout, &log_attrs, &n_attrs); i = old_pos = editable->current_pos; /* Advance over white space */ while (i < n_attrs && log_attrs[i].is_white) i++; /* Find the next word beginning */ i++; while (i < n_attrs && !log_attrs[i].is_word_stop) i++; editable->current_pos = MAX (entry->text_length, i); /* Back up over white space */ while (i > 0 && log_attrs[i - 1].is_white) i--; if (i != old_pos) editable->current_pos = i; g_free (log_attrs); } } static void gtk_move_backward_word (GtkEntry *entry) { GtkEditable *editable; gint i; editable = GTK_EDITABLE (entry); /* Prevent any leak of information */ if (!editable->visible) { editable->current_pos = 0; return; } if (entry->text && editable->current_pos > 0) { PangoLogAttr *log_attrs; gint n_attrs; gtk_entry_ensure_layout (entry); pango_layout_get_log_attrs (entry->layout, &log_attrs, &n_attrs); i = editable->current_pos - 1; /* Find the previous word beginning */ while (i > 0 && !log_attrs[i].is_word_stop) i--; g_free (log_attrs); } } static void gtk_entry_move_to_column (GtkEditable *editable, gint column) { GtkEntry *entry; entry = GTK_ENTRY (editable); if (column < 0 || column > entry->text_length) editable->current_pos = entry->text_length; else editable->current_pos = column; } static void gtk_move_beginning_of_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), 0); } static void gtk_move_end_of_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_char (GtkEditable *editable, gint direction) { if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_delete_selection (editable); else { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_cursor (editable, 1, 0); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_cursor (editable, -1, 0); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } } static void gtk_delete_forward_character (GtkEntry *entry) { gtk_entry_kill_char (GTK_EDITABLE (entry), 1); } static void gtk_delete_backward_character (GtkEntry *entry) { gtk_entry_kill_char (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_word (GtkEditable *editable, gint direction) { if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_delete_selection (editable); else { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_word (editable, 1); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_word (editable, -1); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } } static void gtk_delete_forward_word (GtkEntry *entry) { gtk_entry_kill_word (GTK_EDITABLE (entry), 1); } static void gtk_delete_backward_word (GtkEntry *entry) { gtk_entry_kill_word (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_line (GtkEditable *editable, gint direction) { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_to_column (editable, -1); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_to_column (editable, 0); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } static void gtk_delete_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), 0); gtk_entry_kill_line (GTK_EDITABLE (entry), 1); } static void gtk_delete_to_line_end (GtkEntry *entry) { gtk_editable_delete_text (GTK_EDITABLE(entry), GTK_EDITABLE(entry)->current_pos, entry->text_length); } static void gtk_select_word (GtkEntry *entry, guint32 time) { GtkEditable *editable; gint start_pos; gint end_pos; editable = GTK_EDITABLE (entry); gtk_move_backward_word (entry); start_pos = editable->current_pos; gtk_move_forward_word (entry); end_pos = editable->current_pos; editable->has_selection = TRUE; gtk_entry_set_selection (editable, start_pos, end_pos); gtk_editable_claim_selection (editable, start_pos != end_pos, time); } static void gtk_select_line (GtkEntry *entry, guint32 time) { GtkEditable *editable; editable = GTK_EDITABLE (entry); editable->has_selection = TRUE; gtk_entry_set_selection (editable, 0, entry->text_length); gtk_editable_claim_selection (editable, entry->text_length != 0, time); editable->current_pos = editable->selection_end_pos; } static void gtk_entry_set_selection (GtkEditable *editable, gint start, gint end) { GtkEntry *entry; g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); entry = GTK_ENTRY (editable); if (end < 0) end = GTK_ENTRY (editable)->text_length; editable->selection_start_pos = start; editable->selection_end_pos = end; gtk_entry_queue_draw (GTK_ENTRY (editable)); } void gtk_entry_select_region (GtkEntry *entry, gint start, gint end) { gtk_editable_select_region (GTK_EDITABLE (entry), start, end); } void gtk_entry_set_max_length (GtkEntry *entry, guint16 max) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (max && entry->text_length > max) gtk_editable_delete_text (GTK_EDITABLE(entry), max, -1); entry->text_max_length = max; } static void gtk_entry_style_set (GtkWidget *widget, GtkStyle *previous_style) { GtkEntry *entry; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (previous_style && GTK_WIDGET_REALIZED (widget)) { entry = GTK_ENTRY (widget); entry_adjust_scroll (entry); gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); } } static void gtk_entry_state_changed (GtkWidget *widget, GtkStateType previous_state) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (GTK_WIDGET_REALIZED (widget)) { gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (GTK_ENTRY (widget)->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); } if (GTK_WIDGET_DRAWABLE (widget)) gtk_widget_queue_clear(widget); } static void gtk_entry_commit_cb (GtkIMContext *context, const gchar *str, GtkEntry *entry) { GtkEditable *editable = GTK_EDITABLE (entry); gint tmp_pos = editable->current_pos; gtk_editable_insert_text (editable, str, strlen (str), &tmp_pos); editable->current_pos = tmp_pos; }