/* gtktexttag.c - text tag object * * Copyright (c) 1992-1994 The Regents of the University of California. * Copyright (c) 1994-1997 Sun Microsystems, Inc. * Copyright (c) 2000 Red Hat, Inc. * Tk -> Gtk port by Havoc Pennington * * This software is copyrighted by the Regents of the University of * California, Sun Microsystems, Inc., and other parties. The * following terms apply to all files associated with the software * unless explicitly disclaimed in individual files. * * The authors hereby grant permission to use, copy, modify, * distribute, and license this software and its documentation for any * purpose, provided that existing copyright notices are retained in * all copies and that this notice is included verbatim in any * distributions. No written agreement, license, or royalty fee is * required for any of the authorized uses. Modifications to this * software may be copyrighted by their authors and need not follow * the licensing terms described here, provided that the new terms are * clearly indicated on the first page of each file where they apply. * * IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL * DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, * OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * * THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND * NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, * AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * * GOVERNMENT USE: If you are acquiring this software on behalf of the * U.S. government, the Government shall have only "Restricted Rights" * in the software and related documentation as defined in the Federal * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you * are acquiring the software on behalf of the Department of Defense, * the software shall be classified as "Commercial Computer Software" * and the Government shall have only "Restricted Rights" as defined * in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the * foregoing, the authors grant the U.S. Government and others acting * in its behalf permission to use and distribute the software in * accordance with the terms specified in this license. * */ #include "gtkmain.h" #include "gtktexttag.h" #include "gtktexttypes.h" #include "gtktexttagtable.h" #include "gtksignal.h" #include "gtkmain.h" #include #include enum { EVENT, LAST_SIGNAL }; enum { ARG_0, /* Construct args */ ARG_NAME, /* Style args */ ARG_BACKGROUND, ARG_FOREGROUND, ARG_BACKGROUND_GDK, ARG_FOREGROUND_GDK, ARG_BACKGROUND_STIPPLE, ARG_FOREGROUND_STIPPLE, ARG_FONT, ARG_FONT_DESC, ARG_PIXELS_ABOVE_LINES, ARG_PIXELS_BELOW_LINES, ARG_PIXELS_INSIDE_WRAP, ARG_EDITABLE, ARG_WRAP_MODE, ARG_JUSTIFY, ARG_DIRECTION, ARG_LEFT_MARGIN, ARG_LEFT_WRAPPED_LINE_MARGIN, ARG_STRIKETHROUGH, ARG_RIGHT_MARGIN, ARG_UNDERLINE, ARG_OFFSET, ARG_BG_FULL_HEIGHT, ARG_LANGUAGE, ARG_TABS, /* Whether-a-style-arg-is-set args */ ARG_BACKGROUND_SET, ARG_FOREGROUND_SET, ARG_BACKGROUND_GDK_SET, ARG_FOREGROUND_GDK_SET, ARG_BACKGROUND_STIPPLE_SET, ARG_FOREGROUND_STIPPLE_SET, ARG_FONT_SET, ARG_PIXELS_ABOVE_LINES_SET, ARG_PIXELS_BELOW_LINES_SET, ARG_PIXELS_INSIDE_WRAP_SET, ARG_EDITABLE_SET, ARG_WRAP_MODE_SET, ARG_JUSTIFY_SET, ARG_LEFT_MARGIN_SET, ARG_LEFT_WRAPPED_LINE_MARGIN_SET, ARG_STRIKETHROUGH_SET, ARG_RIGHT_MARGIN_SET, ARG_UNDERLINE_SET, ARG_OFFSET_SET, ARG_BG_FULL_HEIGHT_SET, ARG_LANGUAGE_SET, ARG_TABS_SET, LAST_ARG }; static void gtk_text_tag_init (GtkTextTag *tkxt_tag); static void gtk_text_tag_class_init (GtkTextTagClass *klass); static void gtk_text_tag_destroy (GtkObject *object); static void gtk_text_tag_finalize (GObject *object); static void gtk_text_tag_set_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void gtk_text_tag_get_arg (GtkObject *object, GtkArg *arg, guint arg_id); static GtkObjectClass *parent_class = NULL; static guint signals[LAST_SIGNAL] = { 0 }; GtkType gtk_text_tag_get_type (void) { static GtkType our_type = 0; if (our_type == 0) { static const GtkTypeInfo our_info = { "GtkTextTag", sizeof (GtkTextTag), sizeof (GtkTextTagClass), (GtkClassInitFunc) gtk_text_tag_class_init, (GtkObjectInitFunc) gtk_text_tag_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL }; our_type = gtk_type_unique (GTK_TYPE_OBJECT, &our_info); } return our_type; } static void gtk_text_tag_class_init (GtkTextTagClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass); parent_class = gtk_type_class (GTK_TYPE_OBJECT); /* Construct */ gtk_object_add_arg_type ("GtkTextTag::name", GTK_TYPE_STRING, GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY, ARG_NAME); /* Style args */ gtk_object_add_arg_type ("GtkTextTag::background", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_BACKGROUND); gtk_object_add_arg_type ("GtkTextTag::background_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_BACKGROUND_GDK); gtk_object_add_arg_type ("GtkTextTag::background_full_height", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_BG_FULL_HEIGHT); gtk_object_add_arg_type ("GtkTextTag::background_stipple", GDK_TYPE_PIXMAP, GTK_ARG_READWRITE, ARG_BACKGROUND_STIPPLE); gtk_object_add_arg_type ("GtkTextTag::direction", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_DIRECTION); gtk_object_add_arg_type ("GtkTextTag::editable", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_EDITABLE); gtk_object_add_arg_type ("GtkTextTag::font", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_FONT); gtk_object_add_arg_type ("GtkTextTag::font_desc", GTK_TYPE_BOXED, GTK_ARG_READWRITE, ARG_FONT_DESC); gtk_object_add_arg_type ("GtkTextTag::foreground", GTK_TYPE_STRING, GTK_ARG_WRITABLE, ARG_FOREGROUND); gtk_object_add_arg_type ("GtkTextTag::foreground_gdk", GTK_TYPE_GDK_COLOR, GTK_ARG_READWRITE, ARG_FOREGROUND_GDK); gtk_object_add_arg_type ("GtkTextTag::foreground_stipple", GDK_TYPE_PIXMAP, GTK_ARG_READWRITE, ARG_FOREGROUND_STIPPLE); gtk_object_add_arg_type ("GtkTextTag::justify", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_JUSTIFY); gtk_object_add_arg_type ("GtkTextTag::language", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_LANGUAGE); gtk_object_add_arg_type ("GtkTextTag::left_margin", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_LEFT_MARGIN); gtk_object_add_arg_type ("GtkTextTag::left_wrapped_line_margin", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_LEFT_WRAPPED_LINE_MARGIN); gtk_object_add_arg_type ("GtkTextTag::offset", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_OFFSET); gtk_object_add_arg_type ("GtkTextTag::pixels_above_lines", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_PIXELS_ABOVE_LINES); gtk_object_add_arg_type ("GtkTextTag::pixels_below_lines", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_PIXELS_BELOW_LINES); gtk_object_add_arg_type ("GtkTextTag::pixels_inside_wrap", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_PIXELS_INSIDE_WRAP); gtk_object_add_arg_type ("GtkTextTag::right_margin", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_RIGHT_MARGIN); gtk_object_add_arg_type ("GtkTextTag::strikethrough", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_STRIKETHROUGH); gtk_object_add_arg_type ("GtkTextTag::underline", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_UNDERLINE); gtk_object_add_arg_type ("GtkTextTag::wrap_mode", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_WRAP_MODE); gtk_object_add_arg_type ("GtkTextTag::tabs", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_TABS); /* Style args are set or not */ gtk_object_add_arg_type ("GtkTextTag::background_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_BACKGROUND_SET); gtk_object_add_arg_type ("GtkTextTag::background_full_height_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_BG_FULL_HEIGHT_SET); gtk_object_add_arg_type ("GtkTextTag::background_gdk_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_BACKGROUND_GDK_SET); gtk_object_add_arg_type ("GtkTextTag::background_stipple_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_BACKGROUND_STIPPLE_SET); gtk_object_add_arg_type ("GtkTextTag::editable_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_EDITABLE_SET); gtk_object_add_arg_type ("GtkTextTag::font_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_FONT_SET); gtk_object_add_arg_type ("GtkTextTag::foreground_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_FOREGROUND_SET); gtk_object_add_arg_type ("GtkTextTag::foreground_gdk_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_FOREGROUND_GDK_SET); gtk_object_add_arg_type ("GtkTextTag::foreground_stipple_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_FOREGROUND_STIPPLE_SET); gtk_object_add_arg_type ("GtkTextTag::justify_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_JUSTIFY_SET); gtk_object_add_arg_type ("GtkTextTag::language_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_LANGUAGE_SET); gtk_object_add_arg_type ("GtkTextTag::left_margin_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_LEFT_MARGIN_SET); gtk_object_add_arg_type ("GtkTextTag::left_wrapped_line_margin_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_LEFT_WRAPPED_LINE_MARGIN_SET); gtk_object_add_arg_type ("GtkTextTag::offset_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_OFFSET_SET); gtk_object_add_arg_type ("GtkTextTag::pixels_above_lines_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_PIXELS_ABOVE_LINES_SET); gtk_object_add_arg_type ("GtkTextTag::pixels_below_lines_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_PIXELS_BELOW_LINES_SET); gtk_object_add_arg_type ("GtkTextTag::pixels_inside_wrap_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_PIXELS_INSIDE_WRAP_SET); gtk_object_add_arg_type ("GtkTextTag::strikethrough_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_STRIKETHROUGH_SET); gtk_object_add_arg_type ("GtkTextTag::right_margin_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_RIGHT_MARGIN_SET); gtk_object_add_arg_type ("GtkTextTag::underline_set", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_UNDERLINE_SET); gtk_object_add_arg_type ("GtkTextTag::wrap_mode_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_WRAP_MODE_SET); gtk_object_add_arg_type ("GtkTextTag::tabs_set", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_TABS_SET); signals[EVENT] = gtk_signal_new ("event", GTK_RUN_LAST, GTK_CLASS_TYPE (object_class), GTK_SIGNAL_OFFSET (GtkTextTagClass, event), gtk_marshal_INT__OBJECT_BOXED_BOXED, GTK_TYPE_INT, 3, G_TYPE_OBJECT, GTK_TYPE_GDK_EVENT, GTK_TYPE_TEXT_ITER); gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL); object_class->set_arg = gtk_text_tag_set_arg; object_class->get_arg = gtk_text_tag_get_arg; object_class->destroy = gtk_text_tag_destroy; gobject_class->finalize = gtk_text_tag_finalize; } void gtk_text_tag_init (GtkTextTag *tkxt_tag) { /* 0 is basically a fine way to initialize everything in the entire struct */ } GtkTextTag* gtk_text_tag_new (const gchar *name) { GtkTextTag *tag; tag = GTK_TEXT_TAG (gtk_type_new (gtk_text_tag_get_type ())); tag->name = g_strdup (name); tag->values = gtk_text_attributes_new (); return tag; } static void gtk_text_tag_destroy (GtkObject *object) { GtkTextTag *tkxt_tag; tkxt_tag = GTK_TEXT_TAG (object); g_assert (!tkxt_tag->values->realized); if (tkxt_tag->table) gtk_text_tag_table_remove (tkxt_tag->table, tkxt_tag); g_assert (tkxt_tag->table == NULL); gtk_text_attributes_unref (tkxt_tag->values); tkxt_tag->values = NULL; (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); } static void gtk_text_tag_finalize (GObject *object) { GtkTextTag *tkxt_tag; tkxt_tag = GTK_TEXT_TAG (object); g_free (tkxt_tag->name); tkxt_tag->name = NULL; (* G_OBJECT_CLASS (parent_class)->finalize) (object); } static void set_bg_color (GtkTextTag *tag, GdkColor *color) { if (color) { tag->bg_color_set = TRUE; tag->values->appearance.bg_color = *color; } else { tag->bg_color_set = FALSE; } } static void set_fg_color (GtkTextTag *tag, GdkColor *color) { if (color) { tag->fg_color_set = TRUE; tag->values->appearance.fg_color = *color; } else { tag->fg_color_set = FALSE; } } static void gtk_text_tag_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkTextTag *tkxt_tag; gboolean size_changed = FALSE; tkxt_tag = GTK_TEXT_TAG (object); g_return_if_fail (!tkxt_tag->values->realized); switch (arg_id) { case ARG_NAME: g_return_if_fail (tkxt_tag->name == NULL); tkxt_tag->name = g_strdup (GTK_VALUE_STRING (*arg)); break; case ARG_BACKGROUND: { GdkColor color; if (gdk_color_parse (GTK_VALUE_STRING (*arg), &color)) set_bg_color (tkxt_tag, &color); else g_warning ("Don't know color `%s'", GTK_VALUE_STRING (*arg)); } break; case ARG_FOREGROUND: { GdkColor color; if (gdk_color_parse (GTK_VALUE_STRING (*arg), &color)) set_fg_color (tkxt_tag, &color); else g_warning ("Don't know color `%s'", GTK_VALUE_STRING (*arg)); } break; case ARG_BACKGROUND_GDK: { GdkColor *color = GTK_VALUE_POINTER (*arg); set_bg_color (tkxt_tag, color); } break; case ARG_FOREGROUND_GDK: { GdkColor *color = GTK_VALUE_POINTER (*arg); set_fg_color (tkxt_tag, color); } break; case ARG_BACKGROUND_STIPPLE: { GdkBitmap *bitmap = GTK_VALUE_POINTER (*arg); tkxt_tag->bg_stipple_set = TRUE; if (tkxt_tag->values->appearance.bg_stipple != bitmap) { if (bitmap != NULL) gdk_bitmap_ref (bitmap); if (tkxt_tag->values->appearance.bg_stipple) gdk_bitmap_unref (tkxt_tag->values->appearance.bg_stipple); tkxt_tag->values->appearance.bg_stipple = bitmap; } } break; case ARG_FOREGROUND_STIPPLE: { GdkBitmap *bitmap = GTK_VALUE_POINTER (*arg); tkxt_tag->fg_stipple_set = TRUE; if (tkxt_tag->values->appearance.fg_stipple != bitmap) { if (bitmap != NULL) gdk_bitmap_ref (bitmap); if (tkxt_tag->values->appearance.fg_stipple) gdk_bitmap_unref (tkxt_tag->values->appearance.fg_stipple); tkxt_tag->values->appearance.fg_stipple = bitmap; } } break; case ARG_FONT: { PangoFontDescription *font_desc = NULL; const gchar *name; name = GTK_VALUE_STRING (*arg); if (name) font_desc = pango_font_description_from_string (name); if (tkxt_tag->values->font_desc) pango_font_description_free (tkxt_tag->values->font_desc); tkxt_tag->font_set = (font_desc != NULL); tkxt_tag->values->font_desc = font_desc; size_changed = TRUE; } break; case ARG_FONT_DESC: { PangoFontDescription *font_desc; font_desc = GTK_VALUE_BOXED (*arg); if (tkxt_tag->values->font_desc) pango_font_description_free (tkxt_tag->values->font_desc); if (font_desc) tkxt_tag->values->font_desc = pango_font_description_copy (font_desc); else tkxt_tag->values->font_desc = NULL; tkxt_tag->font_set = (font_desc != NULL); size_changed = TRUE; } break; case ARG_PIXELS_ABOVE_LINES: tkxt_tag->pixels_above_lines_set = TRUE; tkxt_tag->values->pixels_above_lines = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_PIXELS_BELOW_LINES: tkxt_tag->pixels_below_lines_set = TRUE; tkxt_tag->values->pixels_below_lines = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_PIXELS_INSIDE_WRAP: tkxt_tag->pixels_inside_wrap_set = TRUE; tkxt_tag->values->pixels_inside_wrap = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_EDITABLE: tkxt_tag->editable_set = TRUE; tkxt_tag->values->editable = GTK_VALUE_BOOL (*arg); break; case ARG_WRAP_MODE: tkxt_tag->wrap_mode_set = TRUE; tkxt_tag->values->wrap_mode = GTK_VALUE_ENUM (*arg); size_changed = TRUE; break; case ARG_JUSTIFY: tkxt_tag->justify_set = TRUE; tkxt_tag->values->justify = GTK_VALUE_ENUM (*arg); size_changed = TRUE; break; case ARG_DIRECTION: tkxt_tag->values->direction = GTK_VALUE_ENUM (*arg); break; case ARG_LEFT_MARGIN: tkxt_tag->left_margin_set = TRUE; tkxt_tag->values->left_margin = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_LEFT_WRAPPED_LINE_MARGIN: tkxt_tag->left_wrapped_line_margin_set = TRUE; tkxt_tag->values->left_wrapped_line_margin = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_STRIKETHROUGH: tkxt_tag->strikethrough_set = TRUE; tkxt_tag->values->appearance.strikethrough = GTK_VALUE_BOOL (*arg); break; case ARG_RIGHT_MARGIN: tkxt_tag->right_margin_set = TRUE; tkxt_tag->values->right_margin = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_UNDERLINE: tkxt_tag->underline_set = TRUE; tkxt_tag->values->appearance.underline = GTK_VALUE_ENUM (*arg); break; case ARG_OFFSET: tkxt_tag->offset_set = TRUE; tkxt_tag->values->offset = GTK_VALUE_INT (*arg); size_changed = TRUE; break; case ARG_BG_FULL_HEIGHT: tkxt_tag->bg_full_height_set = TRUE; tkxt_tag->values->bg_full_height = GTK_VALUE_BOOL (*arg); break; case ARG_LANGUAGE: tkxt_tag->language_set = TRUE; tkxt_tag->values->language = g_strdup (GTK_VALUE_STRING (*arg)); break; case ARG_TABS: tkxt_tag->tabs_set = TRUE; if (tkxt_tag->values->tabs) pango_tab_array_free (tkxt_tag->values->tabs); tkxt_tag->values->tabs = pango_tab_array_copy (GTK_VALUE_POINTER (*arg)); size_changed = TRUE; break; /* Whether the value should be used... */ case ARG_BACKGROUND_SET: case ARG_BACKGROUND_GDK_SET: tkxt_tag->bg_color_set = GTK_VALUE_BOOL (*arg); break; case ARG_FOREGROUND_SET: case ARG_FOREGROUND_GDK_SET: tkxt_tag->fg_color_set = GTK_VALUE_BOOL (*arg); break; case ARG_BACKGROUND_STIPPLE_SET: tkxt_tag->bg_stipple_set = GTK_VALUE_BOOL (*arg); break; case ARG_FOREGROUND_STIPPLE_SET: tkxt_tag->fg_stipple_set = GTK_VALUE_BOOL (*arg); break; case ARG_FONT_SET: tkxt_tag->font_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_PIXELS_ABOVE_LINES_SET: tkxt_tag->pixels_above_lines_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_PIXELS_BELOW_LINES_SET: tkxt_tag->pixels_below_lines_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_PIXELS_INSIDE_WRAP_SET: tkxt_tag->pixels_inside_wrap_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_EDITABLE_SET: tkxt_tag->editable_set = GTK_VALUE_BOOL (*arg); break; case ARG_WRAP_MODE_SET: tkxt_tag->wrap_mode_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_JUSTIFY_SET: tkxt_tag->justify_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_LEFT_MARGIN_SET: tkxt_tag->left_margin_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_LEFT_WRAPPED_LINE_MARGIN_SET: tkxt_tag->left_wrapped_line_margin_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_STRIKETHROUGH_SET: tkxt_tag->strikethrough_set = GTK_VALUE_BOOL (*arg); break; case ARG_RIGHT_MARGIN_SET: tkxt_tag->right_margin_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_UNDERLINE_SET: tkxt_tag->underline_set = GTK_VALUE_BOOL (*arg); break; case ARG_OFFSET_SET: tkxt_tag->offset_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_BG_FULL_HEIGHT_SET: tkxt_tag->bg_full_height_set = GTK_VALUE_BOOL (*arg); break; case ARG_LANGUAGE_SET: tkxt_tag->language_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; case ARG_TABS_SET: tkxt_tag->tabs_set = GTK_VALUE_BOOL (*arg); size_changed = TRUE; break; default: g_assert_not_reached (); break; } /* FIXME I would like to do this after all set_arg in a single gtk_object_set () have been called. But an idle function won't work; we need to emit when the tag is changed, not when we get around to the event loop. So blah, we eat some inefficiency. */ /* This is also somewhat weird since we emit another object's signal here, but the two objects are already tightly bound. */ if (tkxt_tag->table) gtk_signal_emit_by_name (GTK_OBJECT (tkxt_tag->table), "tag_changed", tkxt_tag, size_changed); } static void get_color_arg (GtkArg *arg, GdkColor *orig) { GdkColor *color; color = g_new (GdkColor, 1); *color = *orig; GTK_VALUE_BOXED (*arg) = color; } static void gtk_text_tag_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkTextTag *tag; tag = GTK_TEXT_TAG (object); switch (arg_id) { case ARG_NAME: GTK_VALUE_STRING (*arg) = g_strdup (tag->name); break; case ARG_BACKGROUND_GDK: get_color_arg (arg, &tag->values->appearance.bg_color); break; case ARG_FOREGROUND_GDK: get_color_arg (arg, &tag->values->appearance.fg_color); break; case ARG_BACKGROUND_STIPPLE: GTK_VALUE_BOXED (*arg) = tag->values->appearance.bg_stipple; break; case ARG_FOREGROUND_STIPPLE: GTK_VALUE_BOXED (*arg) = tag->values->appearance.fg_stipple; break; case ARG_FONT: if (tag->values->font_desc) GTK_VALUE_STRING (*arg) = pango_font_description_to_string (tag->values->font_desc); else GTK_VALUE_STRING (*arg) = NULL; break; case ARG_FONT_DESC: if (tag->values->font_desc) GTK_VALUE_BOXED (*arg) = pango_font_description_copy (tag->values->font_desc); else GTK_VALUE_BOXED (*arg) = NULL; break; case ARG_PIXELS_ABOVE_LINES: GTK_VALUE_INT (*arg) = tag->values->pixels_above_lines; break; case ARG_PIXELS_BELOW_LINES: GTK_VALUE_INT (*arg) = tag->values->pixels_below_lines; break; case ARG_PIXELS_INSIDE_WRAP: GTK_VALUE_INT (*arg) = tag->values->pixels_inside_wrap; break; case ARG_EDITABLE: GTK_VALUE_BOOL (*arg) = tag->values->editable; break; case ARG_WRAP_MODE: GTK_VALUE_ENUM (*arg) = tag->values->wrap_mode; break; case ARG_JUSTIFY: GTK_VALUE_ENUM (*arg) = tag->values->justify; break; case ARG_LEFT_MARGIN: GTK_VALUE_INT (*arg) = tag->values->left_margin; break; case ARG_LEFT_WRAPPED_LINE_MARGIN: GTK_VALUE_INT (*arg) = tag->values->left_wrapped_line_margin; break; case ARG_STRIKETHROUGH: GTK_VALUE_BOOL (*arg) = tag->values->appearance.strikethrough; break; case ARG_RIGHT_MARGIN: GTK_VALUE_INT (*arg) = tag->values->right_margin; break; case ARG_UNDERLINE: GTK_VALUE_ENUM (*arg) = tag->values->appearance.underline; break; case ARG_OFFSET: GTK_VALUE_INT (*arg) = tag->values->offset; break; case ARG_BG_FULL_HEIGHT: GTK_VALUE_BOOL (*arg) = tag->values->bg_full_height; break; case ARG_LANGUAGE: GTK_VALUE_STRING (*arg) = g_strdup (tag->values->language); break; case ARG_TABS: GTK_VALUE_POINTER (*arg) = tag->values->tabs ? pango_tab_array_copy (tag->values->tabs) : NULL; break; case ARG_BACKGROUND_SET: case ARG_BACKGROUND_GDK_SET: GTK_VALUE_BOOL (*arg) = tag->bg_color_set; break; case ARG_FOREGROUND_SET: case ARG_FOREGROUND_GDK_SET: GTK_VALUE_BOOL (*arg) = tag->fg_color_set; break; case ARG_BACKGROUND_STIPPLE_SET: GTK_VALUE_BOOL (*arg) = tag->bg_stipple_set; break; case ARG_FOREGROUND_STIPPLE_SET: GTK_VALUE_BOOL (*arg) = tag->fg_stipple_set; break; case ARG_FONT_SET: GTK_VALUE_BOOL (*arg) = tag->font_set; break; case ARG_PIXELS_ABOVE_LINES_SET: GTK_VALUE_BOOL (*arg) = tag->pixels_above_lines_set; break; case ARG_PIXELS_BELOW_LINES_SET: GTK_VALUE_BOOL (*arg) = tag->pixels_below_lines_set; break; case ARG_PIXELS_INSIDE_WRAP_SET: GTK_VALUE_BOOL (*arg) = tag->pixels_inside_wrap_set; break; case ARG_EDITABLE_SET: GTK_VALUE_BOOL (*arg) = tag->editable_set; break; case ARG_WRAP_MODE_SET: GTK_VALUE_BOOL (*arg) = tag->wrap_mode_set; break; case ARG_JUSTIFY_SET: GTK_VALUE_BOOL (*arg) = tag->justify_set; break; case ARG_LEFT_MARGIN_SET: GTK_VALUE_BOOL (*arg) = tag->left_margin_set; break; case ARG_LEFT_WRAPPED_LINE_MARGIN_SET: GTK_VALUE_BOOL (*arg) = tag->left_wrapped_line_margin_set; break; case ARG_STRIKETHROUGH_SET: GTK_VALUE_BOOL (*arg) = tag->strikethrough_set; break; case ARG_RIGHT_MARGIN_SET: GTK_VALUE_BOOL (*arg) = tag->right_margin_set; break; case ARG_UNDERLINE_SET: GTK_VALUE_BOOL (*arg) = tag->underline_set; break; case ARG_OFFSET_SET: GTK_VALUE_BOOL (*arg) = tag->offset_set; break; case ARG_BG_FULL_HEIGHT_SET: GTK_VALUE_BOOL (*arg) = tag->bg_full_height_set; break; case ARG_LANGUAGE_SET: GTK_VALUE_BOOL (*arg) = tag->language_set; break; case ARG_TABS_SET: GTK_VALUE_BOOL (*arg) = tag->tabs_set; break; case ARG_BACKGROUND: case ARG_FOREGROUND: default: arg->type = GTK_TYPE_INVALID; break; } /* FIXME */ arg->type = GTK_TYPE_INVALID; } /* * Tag operations */ typedef struct { gint high; gint low; gint delta; } DeltaData; static void delta_priority_foreach (GtkTextTag *tag, gpointer user_data) { DeltaData *dd = user_data; if (tag->priority >= dd->low && tag->priority <= dd->high) tag->priority += dd->delta; } gint gtk_text_tag_get_priority (GtkTextTag *tag) { g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), 0); return tag->priority; } void gtk_text_tag_set_priority (GtkTextTag *tag, gint priority) { DeltaData dd; g_return_if_fail (GTK_IS_TEXT_TAG (tag)); g_return_if_fail (tag->table != NULL); g_return_if_fail (priority >= 0); g_return_if_fail (priority < gtk_text_tag_table_size (tag->table)); if (priority == tag->priority) return; if (priority < tag->priority) { dd.low = priority; dd.high = tag->priority - 1; dd.delta = 1; } else { dd.low = tag->priority + 1; dd.high = priority; dd.delta = -1; } gtk_text_tag_table_foreach (tag->table, delta_priority_foreach, &dd); tag->priority = priority; } gint gtk_text_tag_event (GtkTextTag *tag, GtkObject *event_object, GdkEvent *event, const GtkTextIter *iter) { gint retval = FALSE; g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), FALSE); g_return_val_if_fail (GTK_IS_OBJECT (event_object), FALSE); g_return_val_if_fail (event != NULL, FALSE); gtk_signal_emit (GTK_OBJECT (tag), signals[EVENT], event_object, event, iter, &retval); return retval; } static int tag_sort_func (gconstpointer first, gconstpointer second) { GtkTextTag *tag1, *tag2; tag1 = * (GtkTextTag **) first; tag2 = * (GtkTextTag **) second; return tag1->priority - tag2->priority; } void gtk_text_tag_array_sort (GtkTextTag** tag_array_p, guint len) { int i, j, prio; GtkTextTag **tag; GtkTextTag **maxPtrPtr, *tmp; g_return_if_fail (tag_array_p != NULL); g_return_if_fail (len > 0); if (len < 2) { return; } if (len < 20) { GtkTextTag **iter = tag_array_p; for (i = len-1; i > 0; i--, iter++) { maxPtrPtr = tag = iter; prio = tag[0]->priority; for (j = i, tag++; j > 0; j--, tag++) { if (tag[0]->priority < prio) { prio = tag[0]->priority; maxPtrPtr = tag; } } tmp = *maxPtrPtr; *maxPtrPtr = *iter; *iter = tmp; } } else { qsort ((void *) tag_array_p, (unsigned) len, sizeof (GtkTextTag *), tag_sort_func); } #if 0 { printf ("Sorted tag array: \n"); i = 0; while (i < len) { GtkTextTag *t = tag_array_p[i]; printf (" %s priority %d\n", t->name, t->priority); ++i; } } #endif } /* * Attributes */ GtkTextAttributes* gtk_text_attributes_new (void) { GtkTextAttributes *values; values = g_new0(GtkTextAttributes, 1); /* 0 is a valid value for most of the struct */ values->refcount = 1; values->language = gtk_get_default_language (); return values; } void gtk_text_attributes_copy (GtkTextAttributes *src, GtkTextAttributes *dest) { guint orig_refcount; g_return_if_fail (!dest->realized); if (src == dest) return; /* Add refs */ if (src->appearance.bg_stipple) gdk_bitmap_ref (src->appearance.bg_stipple); if (src->appearance.fg_stipple) gdk_bitmap_ref (src->appearance.fg_stipple); /* Remove refs */ if (dest->appearance.bg_stipple) gdk_bitmap_unref (dest->appearance.bg_stipple); if (dest->appearance.fg_stipple) gdk_bitmap_unref (dest->appearance.fg_stipple); /* Copy */ orig_refcount = dest->refcount; *dest = *src; dest->font_desc = pango_font_description_copy (src->font_desc); if (src->tabs) dest->tabs = pango_tab_array_copy (src->tabs); dest->language = g_strdup (src->language); dest->refcount = orig_refcount; dest->realized = FALSE; } void gtk_text_attributes_ref (GtkTextAttributes *values) { g_return_if_fail (values != NULL); values->refcount += 1; } void gtk_text_attributes_unref (GtkTextAttributes *values) { g_return_if_fail (values != NULL); g_return_if_fail (values->refcount > 0); values->refcount -= 1; if (values->refcount == 0) { g_assert (!values->realized); if (values->appearance.bg_stipple) gdk_bitmap_unref (values->appearance.bg_stipple); if (values->font_desc) pango_font_description_free (values->font_desc); if (values->appearance.fg_stipple) gdk_bitmap_unref (values->appearance.fg_stipple); if (values->tabs) pango_tab_array_free (values->tabs); if (values->language) g_free (values->language); g_free (values); } } void gtk_text_attributes_realize (GtkTextAttributes *values, GdkColormap *cmap, GdkVisual *visual) { g_return_if_fail (values != NULL); g_return_if_fail (values->refcount > 0); g_return_if_fail (!values->realized); /* It is wrong to use this colormap, FIXME */ gdk_colormap_alloc_color (cmap, &values->appearance.fg_color, FALSE, TRUE); gdk_colormap_alloc_color (cmap, &values->appearance.bg_color, FALSE, TRUE); values->realized = TRUE; } void gtk_text_attributes_unrealize (GtkTextAttributes *values, GdkColormap *cmap, GdkVisual *visual) { g_return_if_fail (values != NULL); g_return_if_fail (values->refcount > 0); g_return_if_fail (values->realized); gdk_colormap_free_colors (cmap, &values->appearance.fg_color, 1); gdk_colormap_free_colors (cmap, &values->appearance.bg_color, 1); values->appearance.fg_color.pixel = 0; values->appearance.bg_color.pixel = 0; values->realized = FALSE; } void gtk_text_attributes_fill_from_tags (GtkTextAttributes *dest, GtkTextTag** tags, guint n_tags) { guint n = 0; g_return_if_fail (!dest->realized); while (n < n_tags) { GtkTextTag *tag = tags[n]; GtkTextAttributes *vals = tag->values; if (n > 0) g_assert (tags[n]->priority > tags[n-1]->priority); if (tag->bg_color_set) { dest->appearance.bg_color = vals->appearance.bg_color; dest->appearance.draw_bg = TRUE; } if (tag->bg_stipple_set) { gdk_bitmap_ref (vals->appearance.bg_stipple); if (dest->appearance.bg_stipple) gdk_bitmap_unref (dest->appearance.bg_stipple); dest->appearance.bg_stipple = vals->appearance.bg_stipple; dest->appearance.draw_bg = TRUE; } if (tag->fg_color_set) dest->appearance.fg_color = vals->appearance.fg_color; if (tag->font_set) { if (dest->font_desc) pango_font_description_free (dest->font_desc); dest->font_desc = pango_font_description_copy (vals->font_desc); } if (tag->fg_stipple_set) { gdk_bitmap_ref (vals->appearance.fg_stipple); if (dest->appearance.fg_stipple) gdk_bitmap_unref (dest->appearance.fg_stipple); dest->appearance.fg_stipple = vals->appearance.fg_stipple; } if (tag->justify_set) dest->justify = vals->justify; if (vals->direction != GTK_TEXT_DIR_NONE) dest->direction = vals->direction; if (tag->left_margin_set) dest->left_margin = vals->left_margin; if (tag->left_wrapped_line_margin_set) dest->left_wrapped_line_margin = vals->left_wrapped_line_margin; if (tag->offset_set) dest->offset = vals->offset; if (tag->right_margin_set) dest->right_margin = vals->right_margin; if (tag->pixels_above_lines_set) dest->pixels_above_lines = vals->pixels_above_lines; if (tag->pixels_below_lines_set) dest->pixels_below_lines = vals->pixels_below_lines; if (tag->pixels_inside_wrap_set) dest->pixels_inside_wrap = vals->pixels_inside_wrap; if (tag->tabs_set) { if (dest->tabs) pango_tab_array_free (dest->tabs); dest->tabs = pango_tab_array_copy (vals->tabs); } if (tag->wrap_mode_set) dest->wrap_mode = vals->wrap_mode; if (tag->underline_set) dest->appearance.underline = vals->appearance.underline; if (tag->strikethrough_set) dest->appearance.strikethrough = vals->appearance.strikethrough; if (tag->invisible_set) dest->invisible = vals->invisible; if (tag->editable_set) dest->editable = vals->editable; if (tag->bg_full_height_set) dest->bg_full_height = vals->bg_full_height; if (tag->language_set) { g_free (dest->language); dest->language = g_strdup (vals->language); } ++n; } } gboolean gtk_text_tag_affects_size (GtkTextTag *tag) { g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), FALSE); return tag->font_set || tag->justify_set || tag->left_margin_set || tag->left_wrapped_line_margin_set || tag->offset_set || tag->right_margin_set || tag->pixels_above_lines_set || tag->pixels_below_lines_set || tag->pixels_inside_wrap_set || tag->tabs_set || tag->underline_set || tag->wrap_mode_set || tag->invisible_set; } gboolean gtk_text_tag_affects_nonsize_appearance (GtkTextTag *tag) { g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), FALSE); return tag->bg_color_set || tag->bg_stipple_set || tag->fg_color_set || tag->fg_stipple_set || tag->strikethrough_set || tag->bg_full_height_set; }