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https://gitlab.gnome.org/GNOME/gtk.git
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120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
#include <gtk/gtk.h>
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#include "exampleapp.h"
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#include "exampleappwin.h"
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#include "exampleappprefs.h"
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struct _ExampleAppPrefs
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{
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GtkDialog parent;
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GSettings *settings;
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GtkWidget *font;
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GtkWidget *transition;
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};
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G_DEFINE_TYPE (ExampleAppPrefs, example_app_prefs, GTK_TYPE_DIALOG)
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static gboolean
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string_to_font_desc (GValue *value,
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GVariant *variant,
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gpointer user_data)
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{
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const char *s = g_variant_get_string (variant, NULL);
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PangoFontDescription *desc;
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desc = pango_font_description_from_string (s);
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g_value_take_boxed (value, desc);
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return TRUE;
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}
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static GVariant *
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font_desc_to_string (const GValue *value,
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const GVariantType *expected_type,
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gpointer user_data)
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{
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PangoFontDescription *desc = g_value_get_boxed (value);
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char *s = pango_font_description_to_string (desc);
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return g_variant_new_take_string (s);
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}
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static gboolean
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transition_to_pos (GValue *value,
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GVariant *variant,
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gpointer user_data)
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{
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const char *s = g_variant_get_string (variant, NULL);
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if (strcmp (s, "none") == 0)
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g_value_set_uint (value, 0);
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else if (strcmp (s, "crossfade") == 0)
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g_value_set_uint (value, 1);
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else
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g_value_set_uint (value, 2);
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return TRUE;
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}
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static GVariant *
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pos_to_transition (const GValue *value,
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const GVariantType *expected_type,
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gpointer user_data)
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{
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switch (g_value_get_uint (value))
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{
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case 0: return g_variant_new_string ("none");
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case 1: return g_variant_new_string ("crossfade");
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case 2: return g_variant_new_string ("slide-left-right");
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default: g_assert_not_reached ();
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}
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}
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static void
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example_app_prefs_init (ExampleAppPrefs *prefs)
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{
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gtk_widget_init_template (GTK_WIDGET (prefs));
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prefs->settings = g_settings_new ("org.gtk.exampleapp");
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g_settings_bind_with_mapping (prefs->settings, "font",
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prefs->font, "font-desc",
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G_SETTINGS_BIND_DEFAULT,
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string_to_font_desc,
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font_desc_to_string,
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NULL, NULL);
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g_settings_bind_with_mapping (prefs->settings, "transition",
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prefs->transition, "selected",
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G_SETTINGS_BIND_DEFAULT,
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transition_to_pos,
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pos_to_transition,
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NULL, NULL);
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}
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static void
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example_app_prefs_dispose (GObject *object)
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{
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ExampleAppPrefs *prefs;
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prefs = EXAMPLE_APP_PREFS (object);
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g_clear_object (&prefs->settings);
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G_OBJECT_CLASS (example_app_prefs_parent_class)->dispose (object);
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}
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static void
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example_app_prefs_class_init (ExampleAppPrefsClass *class)
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{
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G_OBJECT_CLASS (class)->dispose = example_app_prefs_dispose;
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gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
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"/org/gtk/exampleapp/prefs.ui");
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gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppPrefs, font);
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gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppPrefs, transition);
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}
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ExampleAppPrefs *
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example_app_prefs_new (ExampleAppWindow *win)
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{
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return g_object_new (EXAMPLE_APP_PREFS_TYPE, "transient-for", win, "use-header-bar", TRUE, NULL);
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}
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