/* GTK - The GIMP Toolkit * Copyright (C) 2000 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * 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 * Lesser General Public License for more details. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include "gtksettings.h" #include "gtkrc.h" #include "gtkintl.h" #include "gtkwidget.h" typedef struct _GtkSettingsValuePrivate GtkSettingsValuePrivate; typedef enum { GTK_SETTINGS_SOURCE_DEFAULT, GTK_SETTINGS_SOURCE_RC_FILE, GTK_SETTINGS_SOURCE_APPLICATION } GtkSettingsSource; struct _GtkSettingsValuePrivate { GtkSettingsValue public; GtkSettingsSource source; }; struct _GtkSettingsPropertyValue { GValue value; GtkSettingsSource source; }; #ifdef GDK_WINDOWING_X11 #include #include #endif enum { PROP_0, PROP_DOUBLE_CLICK_TIME, PROP_DOUBLE_CLICK_DISTANCE, PROP_CURSOR_BLINK, PROP_CURSOR_BLINK_TIME, PROP_SPLIT_CURSOR, PROP_THEME_NAME, PROP_ICON_THEME_NAME, PROP_KEY_THEME_NAME, PROP_MENU_BAR_ACCEL, PROP_DND_DRAG_THRESHOLD, PROP_FONT_NAME, PROP_ICON_SIZES, PROP_XFT_ANTIALIAS, PROP_XFT_HINTING, PROP_XFT_HINTSTYLE, PROP_XFT_RGBA, PROP_XFT_DPI }; /* --- prototypes --- */ static void gtk_settings_init (GtkSettings *settings); static void gtk_settings_class_init (GtkSettingsClass *class); static void gtk_settings_finalize (GObject *object); static void gtk_settings_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void gtk_settings_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void gtk_settings_notify (GObject *object, GParamSpec *pspec); static guint settings_install_property_parser (GtkSettingsClass *class, GParamSpec *pspec, GtkRcPropertyParser parser); static void settings_update_double_click (GtkSettings *settings); /* --- variables --- */ static gpointer parent_class = NULL; static GQuark quark_property_parser = 0; static GSList *object_list = NULL; static guint class_n_properties = 0; /* --- functions --- */ GType gtk_settings_get_type (void) { static GType settings_type = 0; if (!settings_type) { static const GTypeInfo settings_info = { sizeof (GtkSettingsClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_settings_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkSettings), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_settings_init, }; settings_type = g_type_register_static (G_TYPE_OBJECT, "GtkSettings", &settings_info, 0); } return settings_type; } #ifdef GDK_WINDOWING_X11 static void gtk_default_substitute (FcPattern *pattern, gpointer data) { GtkSettings *settings = data; gint antialias; gint hinting; char *rgba; char *hintstyle; gint dpi; FcValue v; g_object_get (G_OBJECT (settings), "gtk-xft-antialias", &antialias, "gtk-xft-hinting", &hinting, "gtk-xft-hintstyle", &hintstyle, "gtk-xft-rgba", &rgba, "gtk-xft-dpi", &dpi, NULL); if (antialias >= 0 && FcPatternGet (pattern, FC_ANTIALIAS, 0, &v) == FcResultNoMatch) FcPatternAddBool (pattern, FC_ANTIALIAS, antialias != 0); if (hinting >= 0 && FcPatternGet (pattern, FC_HINTING, 0, &v) == FcResultNoMatch) FcPatternAddBool (pattern, FC_HINTING, hinting != 0); #ifdef FC_HINT_STYLE if (hintstyle && FcPatternGet (pattern, FC_HINT_STYLE, 0, &v) == FcResultNoMatch) { int val = FC_HINT_FULL; /* Quiet GCC */ gboolean found = TRUE; if (strcmp (hintstyle, "hintnone") == 0) val = FC_HINT_NONE; else if (strcmp (hintstyle, "hintslight") == 0) val = FC_HINT_SLIGHT; else if (strcmp (hintstyle, "hintmedium") == 0) val = FC_HINT_MEDIUM; else if (strcmp (hintstyle, "hintfull") == 0) val = FC_HINT_FULL; else found = FALSE; if (found) FcPatternAddInteger (pattern, FC_HINT_STYLE, val); } #endif /* FC_HINT_STYLE */ if (rgba && FcPatternGet (pattern, FC_RGBA, 0, &v) == FcResultNoMatch) { int val = FC_RGBA_NONE; /* Quiet GCC */ gboolean found = TRUE; if (strcmp (rgba, "none") == 0) val = FC_RGBA_NONE; else if (strcmp (rgba, "rgb") == 0) val = FC_RGBA_RGB; else if (strcmp (rgba, "bgr") == 0) val = FC_RGBA_BGR; else if (strcmp (rgba, "vrgb") == 0) val = FC_RGBA_VRGB; else if (strcmp (rgba, "vbgr") == 0) val = FC_RGBA_VBGR; else found = FALSE; if (found) FcPatternAddInteger (pattern, FC_RGBA, val); } if (dpi >= 0 && FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch) FcPatternAddDouble (pattern, FC_DPI, dpi / 1024.); g_free (hintstyle); g_free (rgba); } #endif /* GDK_WINDOWING_X11 */ static void gtk_settings_init (GtkSettings *settings) { GParamSpec **pspecs, **p; guint i = 0; g_datalist_init (&settings->queued_settings); object_list = g_slist_prepend (object_list, settings); /* build up property array for all yet existing properties and queue * notification for them (at least notification for internal properties * will instantly be caught) */ pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (settings), NULL); for (p = pspecs; *p; p++) if ((*p)->owner_type == G_OBJECT_TYPE (settings)) i++; settings->property_values = g_new0 (GtkSettingsPropertyValue, i); i = 0; g_object_freeze_notify (G_OBJECT (settings)); for (p = pspecs; *p; p++) { GParamSpec *pspec = *p; if (pspec->owner_type != G_OBJECT_TYPE (settings)) continue; g_value_init (&settings->property_values[i].value, G_PARAM_SPEC_VALUE_TYPE (pspec)); g_param_value_set_default (pspec, &settings->property_values[i].value); g_object_notify (G_OBJECT (settings), pspec->name); settings->property_values[i].source = GTK_SETTINGS_SOURCE_DEFAULT; i++; } g_object_thaw_notify (G_OBJECT (settings)); g_free (pspecs); } static void gtk_settings_class_init (GtkSettingsClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); guint result; parent_class = g_type_class_peek_parent (class); gobject_class->finalize = gtk_settings_finalize; gobject_class->get_property = gtk_settings_get_property; gobject_class->set_property = gtk_settings_set_property; gobject_class->notify = gtk_settings_notify; quark_property_parser = g_quark_from_static_string ("gtk-rc-property-parser"); result = settings_install_property_parser (class, g_param_spec_int ("gtk-double-click-time", P_("Double Click Time"), P_("Maximum time allowed between two clicks for them to be considered a double click (in milliseconds)"), 0, G_MAXINT, 250, G_PARAM_READWRITE), NULL); g_assert (result == PROP_DOUBLE_CLICK_TIME); result = settings_install_property_parser (class, g_param_spec_int ("gtk-double-click-distance", P_("Double Click Distance"), P_("Maximum distance allowed between two clicks for them to be considered a double click (in pixels)"), 0, G_MAXINT, 5, G_PARAM_READWRITE), NULL); g_assert (result == PROP_DOUBLE_CLICK_DISTANCE); result = settings_install_property_parser (class, g_param_spec_boolean ("gtk-cursor-blink", P_("Cursor Blink"), P_("Whether the cursor should blink"), TRUE, G_PARAM_READWRITE), NULL); g_assert (result == PROP_CURSOR_BLINK); result = settings_install_property_parser (class, g_param_spec_int ("gtk-cursor-blink-time", P_("Cursor Blink Time"), P_("Length of the cursor blink cycle, in milleseconds"), 100, G_MAXINT, 1200, G_PARAM_READWRITE), NULL); g_assert (result == PROP_CURSOR_BLINK_TIME); result = settings_install_property_parser (class, g_param_spec_boolean ("gtk-split-cursor", P_("Split Cursor"), P_("Whether two cursors should be displayed for mixed left-to-right and right-to-left text"), TRUE, G_PARAM_READWRITE), NULL); g_assert (result == PROP_SPLIT_CURSOR); result = settings_install_property_parser (class, g_param_spec_string ("gtk-theme-name", P_("Theme Name"), P_("Name of theme RC file to load"), "Default", G_PARAM_READWRITE), NULL); g_assert (result == PROP_THEME_NAME); result = settings_install_property_parser (class, g_param_spec_string ("gtk-icon-theme-name", P_("Icon Theme Name"), P_("Name of icon theme to use"), "hicolor", G_PARAM_READWRITE), NULL); g_assert (result == PROP_ICON_THEME_NAME); result = settings_install_property_parser (class, g_param_spec_string ("gtk-key-theme-name", P_("Key Theme Name"), P_("Name of key theme RC file to load"), NULL, G_PARAM_READWRITE), NULL); g_assert (result == PROP_KEY_THEME_NAME); result = settings_install_property_parser (class, g_param_spec_string ("gtk-menu-bar-accel", P_("Menu bar accelerator"), P_("Keybinding to activate the menu bar"), "F10", G_PARAM_READWRITE), NULL); g_assert (result == PROP_MENU_BAR_ACCEL); result = settings_install_property_parser (class, g_param_spec_int ("gtk-dnd-drag-threshold", P_("Drag threshold"), P_("Number of pixels the cursor can move before dragging"), 1, G_MAXINT, 8, G_PARAM_READWRITE), NULL); g_assert (result == PROP_DND_DRAG_THRESHOLD); result = settings_install_property_parser (class, g_param_spec_string ("gtk-font-name", P_("Font Name"), P_("Name of default font to use"), "Sans 10", G_PARAM_READWRITE), NULL); g_assert (result == PROP_FONT_NAME); result = settings_install_property_parser (class, g_param_spec_string ("gtk-icon-sizes", P_("Icon Sizes"), P_("List of icon sizes (gtk-menu=16,16;gtk-button=20,20..."), NULL, G_PARAM_READWRITE), NULL); g_assert (result == PROP_ICON_SIZES); #ifdef GDK_WINDOWING_X11 result = settings_install_property_parser (class, g_param_spec_int ("gtk-xft-antialias", P_("Xft Antialias"), P_("Whether to antialias Xft fonts; 0=no, 1=yes, -1=default"), -1, 1, -1, G_PARAM_READWRITE), NULL); g_assert (result == PROP_XFT_ANTIALIAS); result = settings_install_property_parser (class, g_param_spec_int ("gtk-xft-hinting", P_("Xft Hinting"), P_("Whether to hint Xft fonts; 0=no, 1=yes, -1=default"), -1, 1, -1, G_PARAM_READWRITE), NULL); g_assert (result == PROP_XFT_HINTING); result = settings_install_property_parser (class, g_param_spec_string ("gtk-xft-hintstyle", P_("Xft Hint Style"), P_("What degree of hinting to use; none, slight, medium, or full"), NULL, G_PARAM_READWRITE), NULL); g_assert (result == PROP_XFT_HINTSTYLE); result = settings_install_property_parser (class, g_param_spec_string ("gtk-xft-rgba", P_("Xft RGBA"), P_("Type of subpixel antialiasing; none, rgb, bgr, vrgb, vbgr"), NULL, G_PARAM_READWRITE), NULL); g_assert (result == PROP_XFT_RGBA); result = settings_install_property_parser (class, g_param_spec_int ("gtk-xft-dpi", P_("Xft DPI"), P_("Resolution for Xft, in 1024 * dots/inch. -1 to use default value"), -1, 1024*1024, -1, G_PARAM_READWRITE), NULL); g_assert (result == PROP_XFT_DPI); #endif /* GDK_WINDOWING_X11 */ } static void gtk_settings_finalize (GObject *object) { GtkSettings *settings = GTK_SETTINGS (object); guint i; object_list = g_slist_remove (object_list, settings); for (i = 0; i < class_n_properties; i++) g_value_unset (&settings->property_values[i].value); g_free (settings->property_values); g_datalist_clear (&settings->queued_settings); G_OBJECT_CLASS (parent_class)->finalize (object); } /** * gtk_settings_get_for_screen: * @screen : a #GdkScreen. * * Gets the #GtkSettings object for @screen, creating it if necessary. * * Return value: a #GtkSettings object. * * Since: 2.2 */ GtkSettings* gtk_settings_get_for_screen (GdkScreen *screen) { GtkSettings *settings; g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); settings = g_object_get_data (G_OBJECT (screen), "gtk-settings"); if (!settings) { settings = g_object_new (GTK_TYPE_SETTINGS, NULL); settings->screen = screen; g_object_set_data (G_OBJECT (screen), "gtk-settings", settings); #ifdef GDK_WINDOWING_X11 /* Set the default substitution function for the Pango fontmap. */ pango_xft_set_default_substitute (GDK_SCREEN_XDISPLAY (screen), GDK_SCREEN_XNUMBER (screen), gtk_default_substitute, settings, NULL); #endif /* GDK_WINDOWING_X11 */ gtk_rc_reparse_all_for_settings (settings, TRUE); settings_update_double_click (settings); } return settings; } /** * gtk_settings_get_default: * * Gets the #GtkSettings object for the default GDK screen, creating * it if necessary. See gtk_settings_get_for_screen(). * * Return value: a #GtkSettings object. If there is no default * screen, then returns %NULL. **/ GtkSettings* gtk_settings_get_default (void) { GdkScreen *screen = gdk_screen_get_default (); if (screen) return gtk_settings_get_for_screen (screen); else return NULL; } static void gtk_settings_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { GtkSettings *settings = GTK_SETTINGS (object); g_value_copy (value, &settings->property_values[property_id - 1].value); settings->property_values[property_id - 1].source = GTK_SETTINGS_SOURCE_APPLICATION; } static void gtk_settings_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { GtkSettings *settings = GTK_SETTINGS (object); GType value_type = G_VALUE_TYPE (value); GType fundamental_type = G_TYPE_FUNDAMENTAL (value_type); /* For enums and strings, we need to get the value as a string, * not as an int, since we support using names/nicks as the setting * value. */ if ((g_value_type_transformable (G_TYPE_INT, value_type) && !(fundamental_type == G_TYPE_ENUM || fundamental_type == G_TYPE_FLAGS)) || g_value_type_transformable (G_TYPE_STRING, G_VALUE_TYPE (value)) || g_value_type_transformable (GDK_TYPE_COLOR, G_VALUE_TYPE (value))) { if (settings->property_values[property_id - 1].source == GTK_SETTINGS_SOURCE_APPLICATION || !gdk_screen_get_setting (settings->screen, pspec->name, value)) g_value_copy (&settings->property_values[property_id - 1].value, value); else g_param_value_validate (pspec, value); } else { GValue val = { 0, }; /* Try to get xsetting as a string and parse it. */ g_value_init (&val, G_TYPE_STRING); if (settings->property_values[property_id - 1].source == GTK_SETTINGS_SOURCE_APPLICATION || !gdk_screen_get_setting (settings->screen, pspec->name, &val)) { g_value_copy (&settings->property_values[property_id - 1].value, value); } else { GValue tmp_value = { 0, }; GValue gstring_value = { 0, }; GtkRcPropertyParser parser = (GtkRcPropertyParser) g_param_spec_get_qdata (pspec, quark_property_parser); g_value_init (&gstring_value, G_TYPE_GSTRING); g_value_set_boxed (&gstring_value, g_string_new (g_value_get_string (&val))); g_value_init (&tmp_value, G_PARAM_SPEC_VALUE_TYPE (pspec)); if (parser && _gtk_settings_parse_convert (parser, &gstring_value, pspec, &tmp_value)) { g_value_copy (&tmp_value, value); g_param_value_validate (pspec, value); } else { g_value_copy (&settings->property_values[property_id - 1].value, value); } g_value_unset (&gstring_value); g_value_unset (&tmp_value); } g_value_unset (&val); } } static void gtk_settings_notify (GObject *object, GParamSpec *pspec) { GtkSettings *settings = GTK_SETTINGS (object); guint property_id = pspec->param_id; if (settings->screen == NULL) /* initialization */ return; switch (property_id) { case PROP_DOUBLE_CLICK_TIME: case PROP_DOUBLE_CLICK_DISTANCE: settings_update_double_click (settings); break; #ifdef GDK_WINDOWING_X11 case PROP_XFT_ANTIALIAS: case PROP_XFT_HINTING: case PROP_XFT_HINTSTYLE: case PROP_XFT_RGBA: case PROP_XFT_DPI: pango_xft_substitute_changed (GDK_SCREEN_XDISPLAY (settings->screen), GDK_SCREEN_XNUMBER (settings->screen)); /* This is a hack because with gtk_rc_reset_styles() doesn't get * widgets with gtk_widget_style_set(), and also causes more * recomputation than necessary. */ gtk_rc_reset_styles (GTK_SETTINGS (object)); break; #endif /* GDK_WINDOWING_X11 */ } } gboolean _gtk_settings_parse_convert (GtkRcPropertyParser parser, const GValue *src_value, GParamSpec *pspec, GValue *dest_value) { gboolean success = FALSE; g_return_val_if_fail (G_VALUE_HOLDS (dest_value, G_PARAM_SPEC_VALUE_TYPE (pspec)), FALSE); if (parser) { GString *gstring; gboolean free_gstring = TRUE; if (G_VALUE_HOLDS (src_value, G_TYPE_GSTRING)) { gstring = g_value_get_boxed (src_value); free_gstring = FALSE; } else if (G_VALUE_HOLDS_LONG (src_value)) { gstring = g_string_new (NULL); g_string_append_printf (gstring, "%ld", g_value_get_long (src_value)); } else if (G_VALUE_HOLDS_DOUBLE (src_value)) { gstring = g_string_new (NULL); g_string_append_printf (gstring, "%f", g_value_get_double (src_value)); } else if (G_VALUE_HOLDS_STRING (src_value)) { gchar *tstr = g_strescape (g_value_get_string (src_value), NULL); gstring = g_string_new ("\""); g_string_append (gstring, tstr); g_string_append_c (gstring, '\"'); g_free (tstr); } else { g_return_val_if_fail (G_VALUE_HOLDS (src_value, G_TYPE_GSTRING), FALSE); gstring = NULL; /* silence compiler */ } success = (parser (pspec, gstring, dest_value) && !g_param_value_validate (pspec, dest_value)); if (free_gstring) g_string_free (gstring, TRUE); } else if (G_VALUE_HOLDS (src_value, G_TYPE_GSTRING)) { if (G_VALUE_HOLDS (dest_value, G_TYPE_STRING)) { GString *gstring = g_value_get_boxed (src_value); g_value_set_string (dest_value, gstring ? gstring->str : NULL); success = !g_param_value_validate (pspec, dest_value); } } else if (g_value_type_transformable (G_VALUE_TYPE (src_value), G_VALUE_TYPE (dest_value))) success = g_param_value_convert (pspec, src_value, dest_value, TRUE); return success; } static void apply_queued_setting (GtkSettings *data, GParamSpec *pspec, GtkSettingsValuePrivate *qvalue) { GValue tmp_value = { 0, }; GtkRcPropertyParser parser = (GtkRcPropertyParser) g_param_spec_get_qdata (pspec, quark_property_parser); g_value_init (&tmp_value, G_PARAM_SPEC_VALUE_TYPE (pspec)); if (_gtk_settings_parse_convert (parser, &qvalue->public.value, pspec, &tmp_value)) { if (data->property_values[pspec->param_id - 1].source <= qvalue->source) { g_object_set_property (G_OBJECT (data), pspec->name, &tmp_value); data->property_values[pspec->param_id - 1].source = qvalue->source; } } else { gchar *debug = g_strdup_value_contents (&qvalue->public.value); g_message ("%s: failed to retrieve property `%s' of type `%s' from rc file value \"%s\" of type `%s'", qvalue->public.origin, pspec->name, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)), debug, G_VALUE_TYPE_NAME (&tmp_value)); g_free (debug); } g_value_unset (&tmp_value); } static guint settings_install_property_parser (GtkSettingsClass *class, GParamSpec *pspec, GtkRcPropertyParser parser) { GSList *node, *next; switch (G_TYPE_FUNDAMENTAL (G_PARAM_SPEC_VALUE_TYPE (pspec))) { case G_TYPE_BOOLEAN: case G_TYPE_UCHAR: case G_TYPE_CHAR: case G_TYPE_UINT: case G_TYPE_INT: case G_TYPE_ULONG: case G_TYPE_LONG: case G_TYPE_FLOAT: case G_TYPE_DOUBLE: case G_TYPE_STRING: break; default: if (!parser) { g_warning (G_STRLOC ": parser needs to be specified for property \"%s\" of type `%s'", pspec->name, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec))); return 0; } } if (g_object_class_find_property (G_OBJECT_CLASS (class), pspec->name)) { g_warning (G_STRLOC ": an rc-data property \"%s\" already exists", pspec->name); return 0; } for (node = object_list; node; node = node->next) g_object_freeze_notify (node->data); g_object_class_install_property (G_OBJECT_CLASS (class), ++class_n_properties, pspec); g_param_spec_set_qdata (pspec, quark_property_parser, (gpointer) parser); for (node = object_list; node; node = node->next) { GtkSettings *settings = node->data; GtkSettingsValuePrivate *qvalue; settings->property_values = g_renew (GtkSettingsPropertyValue, settings->property_values, class_n_properties); settings->property_values[class_n_properties - 1].value.g_type = 0; g_value_init (&settings->property_values[class_n_properties - 1].value, G_PARAM_SPEC_VALUE_TYPE (pspec)); g_param_value_set_default (pspec, &settings->property_values[class_n_properties - 1].value); settings->property_values[class_n_properties - 1].source = GTK_SETTINGS_SOURCE_DEFAULT; g_object_notify (G_OBJECT (settings), pspec->name); qvalue = g_datalist_get_data (&settings->queued_settings, pspec->name); if (qvalue) apply_queued_setting (settings, pspec, qvalue); } for (node = object_list; node; node = next) { next = node->next; g_object_thaw_notify (node->data); } return class_n_properties; } GtkRcPropertyParser _gtk_rc_property_parser_from_type (GType type) { if (type == GDK_TYPE_COLOR) return gtk_rc_property_parse_color; else if (type == GTK_TYPE_REQUISITION) return gtk_rc_property_parse_requisition; else if (type == GTK_TYPE_BORDER) return gtk_rc_property_parse_border; else if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_ENUM && G_TYPE_IS_DERIVED (type)) return gtk_rc_property_parse_enum; else if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_FLAGS && G_TYPE_IS_DERIVED (type)) return gtk_rc_property_parse_flags; else return NULL; } void gtk_settings_install_property (GParamSpec *pspec) { GtkRcPropertyParser parser; g_return_if_fail (G_IS_PARAM_SPEC (pspec)); parser = _gtk_rc_property_parser_from_type (G_PARAM_SPEC_VALUE_TYPE (pspec)); settings_install_property_parser (gtk_type_class (GTK_TYPE_SETTINGS), pspec, parser); } void gtk_settings_install_property_parser (GParamSpec *pspec, GtkRcPropertyParser parser) { g_return_if_fail (G_IS_PARAM_SPEC (pspec)); g_return_if_fail (parser != NULL); settings_install_property_parser (gtk_type_class (GTK_TYPE_SETTINGS), pspec, parser); } static void free_value (gpointer data) { GtkSettingsValuePrivate *qvalue = data; g_value_unset (&qvalue->public.value); g_free (qvalue->public.origin); g_free (qvalue); } static void gtk_settings_set_property_value_internal (GtkSettings *settings, const gchar *prop_name, const GtkSettingsValue *new_value, GtkSettingsSource source) { GtkSettingsValuePrivate *qvalue; GParamSpec *pspec; gchar *name; GQuark name_quark; if (!G_VALUE_HOLDS_LONG (&new_value->value) && !G_VALUE_HOLDS_DOUBLE (&new_value->value) && !G_VALUE_HOLDS_STRING (&new_value->value) && !G_VALUE_HOLDS (&new_value->value, G_TYPE_GSTRING)) { g_warning (G_STRLOC ": value type invalid"); return; } name = g_strdup (prop_name); g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-'); name_quark = g_quark_from_string (name); g_free (name); qvalue = g_datalist_id_get_data (&settings->queued_settings, name_quark); if (!qvalue) { qvalue = g_new0 (GtkSettingsValuePrivate, 1); g_datalist_id_set_data_full (&settings->queued_settings, name_quark, qvalue, free_value); } else { g_free (qvalue->public.origin); g_value_unset (&qvalue->public.value); } qvalue->public.origin = g_strdup (new_value->origin); g_value_init (&qvalue->public.value, G_VALUE_TYPE (&new_value->value)); g_value_copy (&new_value->value, &qvalue->public.value); qvalue->source = source; pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (settings), g_quark_to_string (name_quark)); if (pspec) apply_queued_setting (settings, pspec, qvalue); } void gtk_settings_set_property_value (GtkSettings *settings, const gchar *prop_name, const GtkSettingsValue *new_value) { g_return_if_fail (GTK_SETTINGS (settings)); g_return_if_fail (prop_name != NULL); g_return_if_fail (new_value != NULL); g_return_if_fail (new_value->origin != NULL); gtk_settings_set_property_value_internal (settings, prop_name, new_value, GTK_SETTINGS_SOURCE_APPLICATION); } void _gtk_settings_set_property_value_from_rc (GtkSettings *settings, const gchar *prop_name, const GtkSettingsValue *new_value) { g_return_if_fail (GTK_SETTINGS (settings)); g_return_if_fail (prop_name != NULL); g_return_if_fail (new_value != NULL); g_return_if_fail (new_value->origin != NULL); gtk_settings_set_property_value_internal (settings, prop_name, new_value, GTK_SETTINGS_SOURCE_RC_FILE); } void gtk_settings_set_string_property (GtkSettings *settings, const gchar *name, const gchar *v_string, const gchar *origin) { GtkSettingsValue svalue = { NULL, { 0, }, }; g_return_if_fail (GTK_SETTINGS (settings)); g_return_if_fail (name != NULL); g_return_if_fail (v_string != NULL); g_return_if_fail (origin != NULL); svalue.origin = (gchar*) origin; g_value_init (&svalue.value, G_TYPE_STRING); g_value_set_static_string (&svalue.value, v_string); gtk_settings_set_property_value (settings, name, &svalue); g_value_unset (&svalue.value); } void gtk_settings_set_long_property (GtkSettings *settings, const gchar *name, glong v_long, const gchar *origin) { GtkSettingsValue svalue = { NULL, { 0, }, }; g_return_if_fail (GTK_SETTINGS (settings)); g_return_if_fail (name != NULL); g_return_if_fail (origin != NULL); svalue.origin = (gchar*) origin; g_value_init (&svalue.value, G_TYPE_LONG); g_value_set_long (&svalue.value, v_long); gtk_settings_set_property_value (settings, name, &svalue); g_value_unset (&svalue.value); } void gtk_settings_set_double_property (GtkSettings *settings, const gchar *name, gdouble v_double, const gchar *origin) { GtkSettingsValue svalue = { NULL, { 0, }, }; g_return_if_fail (GTK_SETTINGS (settings)); g_return_if_fail (name != NULL); g_return_if_fail (origin != NULL); svalue.origin = (gchar*) origin; g_value_init (&svalue.value, G_TYPE_DOUBLE); g_value_set_double (&svalue.value, v_double); gtk_settings_set_property_value (settings, name, &svalue); g_value_unset (&svalue.value); } /** * gtk_rc_property_parse_color: * @pspec: a #GParamSpec * @gstring: the #GString to be parsed * @property_value: a #GValue which must hold #GdkColor values. * * A #GtkRcPropertyParser for use with gtk_settings_install_property_parser() * or gtk_widget_class_install_style_property_parser() which parses a * color given either by its name or in the form * { red, green, blue } where %red, %green and * %blue are integers between 0 and 65535 or floating-point numbers * between 0 and 1. * * Return value: %TRUE if @gstring could be parsed and @property_value * has been set to the resulting #GdkColor. **/ gboolean gtk_rc_property_parse_color (const GParamSpec *pspec, const GString *gstring, GValue *property_value) { GdkColor color = { 0, 0, 0, 0, }; GScanner *scanner; gboolean success; g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), FALSE); g_return_val_if_fail (G_VALUE_HOLDS (property_value, GDK_TYPE_COLOR), FALSE); scanner = gtk_rc_scanner_new (); g_scanner_input_text (scanner, gstring->str, gstring->len); if (gtk_rc_parse_color (scanner, &color) == G_TOKEN_NONE && g_scanner_get_next_token (scanner) == G_TOKEN_EOF) { g_value_set_boxed (property_value, &color); success = TRUE; } else success = FALSE; g_scanner_destroy (scanner); return success; } /** * gtk_rc_property_parse_enum: * @pspec: a #GParamSpec * @gstring: the #GString to be parsed * @property_value: a #GValue which must hold enum values. * * A #GtkRcPropertyParser for use with gtk_settings_install_property_parser() * or gtk_widget_class_install_style_property_parser() which parses a single * enumeration value. * * The enumeration value can be specified by its name, its nickname or * its numeric value. For consistency with flags parsing, the value * may be surrounded by parentheses. * * Return value: %TRUE if @gstring could be parsed and @property_value * has been set to the resulting #GEnumValue. **/ gboolean gtk_rc_property_parse_enum (const GParamSpec *pspec, const GString *gstring, GValue *property_value) { gboolean need_closing_brace = FALSE, success = FALSE; GScanner *scanner; GEnumValue *enum_value = NULL; g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), FALSE); g_return_val_if_fail (G_VALUE_HOLDS_ENUM (property_value), FALSE); scanner = gtk_rc_scanner_new (); g_scanner_input_text (scanner, gstring->str, gstring->len); /* we just want to parse _one_ value, but for consistency with flags parsing * we support optional parenthesis */ g_scanner_get_next_token (scanner); if (scanner->token == '(') { need_closing_brace = TRUE; g_scanner_get_next_token (scanner); } if (scanner->token == G_TOKEN_IDENTIFIER) { GEnumClass *class = G_PARAM_SPEC_ENUM (pspec)->enum_class; enum_value = g_enum_get_value_by_name (class, scanner->value.v_identifier); if (!enum_value) enum_value = g_enum_get_value_by_nick (class, scanner->value.v_identifier); if (enum_value) { g_value_set_enum (property_value, enum_value->value); success = TRUE; } } else if (scanner->token == G_TOKEN_INT) { g_value_set_enum (property_value, scanner->value.v_int); success = TRUE; } if (need_closing_brace && g_scanner_get_next_token (scanner) != ')') success = FALSE; if (g_scanner_get_next_token (scanner) != G_TOKEN_EOF) success = FALSE; g_scanner_destroy (scanner); return success; } static guint parse_flags_value (GScanner *scanner, GFlagsClass *class, guint *number) { g_scanner_get_next_token (scanner); if (scanner->token == G_TOKEN_IDENTIFIER) { GFlagsValue *flags_value; flags_value = g_flags_get_value_by_name (class, scanner->value.v_identifier); if (!flags_value) flags_value = g_flags_get_value_by_nick (class, scanner->value.v_identifier); if (flags_value) { *number |= flags_value->value; return G_TOKEN_NONE; } } else if (scanner->token == G_TOKEN_INT) { *number |= scanner->value.v_int; return G_TOKEN_NONE; } return G_TOKEN_IDENTIFIER; } /** * gtk_rc_property_parse_flags: * @pspec: a #GParamSpec * @gstring: the #GString to be parsed * @property_value: a #GValue which must hold flags values. * * A #GtkRcPropertyParser for use with gtk_settings_install_property_parser() * or gtk_widget_class_install_style_property_parser() which parses flags. * * Flags can be specified by their name, their nickname or * numerically. Multiple flags can be specified in the form * "( flag1 | flag2 | ... )". * * Return value: %TRUE if @gstring could be parsed and @property_value * has been set to the resulting flags value. **/ gboolean gtk_rc_property_parse_flags (const GParamSpec *pspec, const GString *gstring, GValue *property_value) { GFlagsClass *class; gboolean success = FALSE; GScanner *scanner; g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), FALSE); g_return_val_if_fail (G_VALUE_HOLDS_FLAGS (property_value), FALSE); class = G_PARAM_SPEC_FLAGS (pspec)->flags_class; scanner = gtk_rc_scanner_new (); g_scanner_input_text (scanner, gstring->str, gstring->len); /* parse either a single flags value or a "\( ... [ \| ... ] \)" compound */ if (g_scanner_peek_next_token (scanner) == G_TOKEN_IDENTIFIER || scanner->next_token == G_TOKEN_INT) { guint token, flags_value = 0; token = parse_flags_value (scanner, class, &flags_value); if (token == G_TOKEN_NONE && g_scanner_peek_next_token (scanner) == G_TOKEN_EOF) { success = TRUE; g_value_set_flags (property_value, flags_value); } } else if (g_scanner_get_next_token (scanner) == '(') { guint token, flags_value = 0; /* parse first value */ token = parse_flags_value (scanner, class, &flags_value); /* parse nth values, preceeded by '|' */ while (token == G_TOKEN_NONE && g_scanner_get_next_token (scanner) == '|') token = parse_flags_value (scanner, class, &flags_value); /* done, last token must have closed expression */ if (token == G_TOKEN_NONE && scanner->token == ')' && g_scanner_peek_next_token (scanner) == G_TOKEN_EOF) { g_value_set_flags (property_value, flags_value); success = TRUE; } } g_scanner_destroy (scanner); return success; } static gboolean get_braced_int (GScanner *scanner, gboolean first, gboolean last, gint *value) { if (first) { g_scanner_get_next_token (scanner); if (scanner->token != '{') return FALSE; } g_scanner_get_next_token (scanner); if (scanner->token != G_TOKEN_INT) return FALSE; *value = scanner->value.v_int; if (last) { g_scanner_get_next_token (scanner); if (scanner->token != '}') return FALSE; } else { g_scanner_get_next_token (scanner); if (scanner->token != ',') return FALSE; } return TRUE; } /** * gtk_rc_property_parse_requisition: * @pspec: a #GParamSpec * @gstring: the #GString to be parsed * @property_value: a #GValue which must hold boxed values. * * A #GtkRcPropertyParser for use with gtk_settings_install_property_parser() * or gtk_widget_class_install_style_property_parser() which parses a * requisition in the form * "{ width, height }" for integers %width and %height. * * Return value: %TRUE if @gstring could be parsed and @property_value * has been set to the resulting #GtkRequisition. **/ gboolean gtk_rc_property_parse_requisition (const GParamSpec *pspec, const GString *gstring, GValue *property_value) { GtkRequisition requisition; GScanner *scanner; gboolean success = FALSE; g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), FALSE); g_return_val_if_fail (G_VALUE_HOLDS_BOXED (property_value), FALSE); scanner = gtk_rc_scanner_new (); g_scanner_input_text (scanner, gstring->str, gstring->len); if (get_braced_int (scanner, TRUE, FALSE, &requisition.width) && get_braced_int (scanner, FALSE, TRUE, &requisition.height)) { g_value_set_boxed (property_value, &requisition); success = TRUE; } g_scanner_destroy (scanner); return success; } /** * gtk_rc_property_parse_border: * @pspec: a #GParamSpec * @gstring: the #GString to be parsed * @property_value: a #GValue which must hold boxed values. * * A #GtkRcPropertyParser for use with gtk_settings_install_property_parser() * or gtk_widget_class_install_style_property_parser() which parses * borders in the form * "{ left, right, top, bottom }" for integers * %left, %right, %top and %bottom. * * Return value: %TRUE if @gstring could be parsed and @property_value * has been set to the resulting #GtkBorder. **/ gboolean gtk_rc_property_parse_border (const GParamSpec *pspec, const GString *gstring, GValue *property_value) { GtkBorder border; GScanner *scanner; gboolean success = FALSE; g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), FALSE); g_return_val_if_fail (G_VALUE_HOLDS_BOXED (property_value), FALSE); scanner = gtk_rc_scanner_new (); g_scanner_input_text (scanner, gstring->str, gstring->len); if (get_braced_int (scanner, TRUE, FALSE, &border.left) && get_braced_int (scanner, FALSE, FALSE, &border.right) && get_braced_int (scanner, FALSE, FALSE, &border.top) && get_braced_int (scanner, FALSE, TRUE, &border.bottom)) { g_value_set_boxed (property_value, &border); success = TRUE; } g_scanner_destroy (scanner); return success; } void _gtk_settings_handle_event (GdkEventSetting *event) { GtkSettings *settings = gtk_settings_get_for_screen (gdk_drawable_get_screen (event->window)); if (g_object_class_find_property (G_OBJECT_GET_CLASS (settings), event->name)) g_object_notify (G_OBJECT (settings), event->name); } static void reset_rc_values_foreach (GQuark key_id, gpointer data, gpointer user_data) { GtkSettingsValuePrivate *qvalue = data; GSList **to_reset = user_data; if (qvalue->source == GTK_SETTINGS_SOURCE_RC_FILE) *to_reset = g_slist_prepend (*to_reset, GUINT_TO_POINTER (key_id)); } void _gtk_settings_reset_rc_values (GtkSettings *settings) { GSList *to_reset = NULL; GSList *tmp_list; GParamSpec **pspecs, **p; gint i; /* Remove any queued settings */ g_datalist_foreach (&settings->queued_settings, reset_rc_values_foreach, &to_reset); for (tmp_list = to_reset; tmp_list; tmp_list = tmp_list->next) { GQuark key_id = GPOINTER_TO_UINT (tmp_list->data); g_datalist_id_remove_data (&settings->queued_settings, key_id); } /* Now reset the active settings */ pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (settings), NULL); i = 0; g_object_freeze_notify (G_OBJECT (settings)); for (p = pspecs; *p; p++) { if (settings->property_values[i].source == GTK_SETTINGS_SOURCE_RC_FILE) { GParamSpec *pspec = *p; g_param_value_set_default (pspec, &settings->property_values[i].value); g_object_notify (G_OBJECT (settings), pspec->name); } i++; } g_object_thaw_notify (G_OBJECT (settings)); g_free (pspecs); } static void settings_update_double_click (GtkSettings *settings) { if (gdk_screen_get_number (settings->screen) == 0) { GdkDisplay *display = gdk_screen_get_display (settings->screen); gint double_click_time; gint double_click_distance; g_object_get (settings, "gtk-double-click-time", &double_click_time, "gtk-double-click-distance", &double_click_distance, NULL); gdk_display_set_double_click_time (display, double_click_time); gdk_display_set_double_click_distance (display, double_click_distance); } }