#include "gtkarrow.h"
#include "gtkimage.h"
#include "gtkintl.h"
+#include "gtkicontheme.h"
+#include "gtkiconfactory.h"
#include "gtklabel.h"
#include "gtkhbox.h"
#include "gtkmain.h"
static guint path_bar_signals [LAST_SIGNAL] = { 0 };
-/* FIXME: this should correspond to gtk_icon_size_lookup_for_settings */
-#define ICON_SIZE 20
+/* Icon size for if we can't get it from the theme */
+#define FALLBACK_ICON_SIZE 20
typedef struct _ButtonData ButtonData;
gtk_path_bar,
GTK_TYPE_CONTAINER);
-static void gtk_path_bar_finalize (GObject *object);
-static void gtk_path_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_path_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_path_bar_direction_changed (GtkWidget *widget,
- GtkTextDirection direction);
-static void gtk_path_bar_add (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_path_bar_remove (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_path_bar_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-static void gtk_path_bar_scroll_up (GtkWidget *button, GtkPathBar *path_bar);
-static void gtk_path_bar_scroll_down (GtkWidget *button, GtkPathBar *path_bar);
+static void gtk_path_bar_finalize (GObject *object);
+static void gtk_path_bar_dispose (GObject *object);
+static void gtk_path_bar_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_path_bar_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_path_bar_direction_changed (GtkWidget *widget,
+ GtkTextDirection direction);
+static void gtk_path_bar_add (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_path_bar_remove (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_path_bar_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static void gtk_path_bar_scroll_up (GtkWidget *button,
+ GtkPathBar *path_bar);
+static void gtk_path_bar_scroll_down (GtkWidget *button,
+ GtkPathBar *path_bar);
+static void gtk_path_bar_style_set (GtkWidget *widget,
+ GtkStyle *previous_style);
+static void gtk_path_bar_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen);
+static void gtk_path_bar_check_icon_theme (GtkPathBar *path_bar);
+static void gtk_path_bar_update_button_appearance (GtkPathBar *path_bar,
+ ButtonData *button_data,
+ gboolean current_dir);
static GtkWidget *
get_slider_button (GtkPathBar *path_bar)
path_bar->spacing = 3;
path_bar->up_slider_button = get_slider_button (path_bar);
path_bar->down_slider_button = get_slider_button (path_bar);
+ path_bar->icon_size = FALLBACK_ICON_SIZE;
g_signal_connect (path_bar->up_slider_button, "clicked", G_CALLBACK (gtk_path_bar_scroll_up), path_bar);
g_signal_connect (path_bar->down_slider_button, "clicked", G_CALLBACK (gtk_path_bar_scroll_down), path_bar);
container_class = (GtkContainerClass *) path_bar_class;
gobject_class->finalize = gtk_path_bar_finalize;
+ gobject_class->dispose = gtk_path_bar_dispose;
widget_class->size_request = gtk_path_bar_size_request;
widget_class->size_allocate = gtk_path_bar_size_allocate;
widget_class->direction_changed = gtk_path_bar_direction_changed;
+ widget_class->style_set = gtk_path_bar_style_set;
+ widget_class->screen_changed = gtk_path_bar_screen_changed;
container_class->add = gtk_path_bar_add;
container_class->forall = gtk_path_bar_forall;
G_OBJECT_CLASS (gtk_path_bar_parent_class)->finalize (object);
}
+/* Removes the settings signal handler. It's safe to call multiple times */
+static void
+remove_settings_signal (GtkPathBar *path_bar,
+ GdkScreen *screen)
+{
+ if (path_bar->settings_signal_id)
+ {
+ GtkSettings *settings;
+
+ settings = gtk_settings_get_for_screen (screen);
+ g_signal_handler_disconnect (settings,
+ path_bar->settings_signal_id);
+ path_bar->settings_signal_id = 0;
+ }
+}
+
+static void
+gtk_path_bar_dispose (GObject *object)
+{
+ remove_settings_signal (GTK_PATH_BAR (object),
+ gtk_widget_get_screen (GTK_WIDGET (object)));
+
+ G_OBJECT_CLASS (gtk_path_bar_parent_class)->dispose (object);
+}
+
/* Size requisition:
*
* Ideally, our size is determined by another widget, and we are just filling
(* GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->direction_changed) (widget, direction);
}
+static void
+gtk_path_bar_style_set (GtkWidget *widget,
+ GtkStyle *previous_style)
+{
+ if (GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->style_set)
+ GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->style_set (widget, previous_style);
+
+ gtk_path_bar_check_icon_theme (GTK_PATH_BAR (widget));
+}
+
+static void
+gtk_path_bar_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen)
+{
+ if (GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->screen_changed)
+ GTK_WIDGET_CLASS (gtk_path_bar_parent_class)->screen_changed (widget, previous_screen);
+
+ /* We might nave a new settings, so we remove the old one */
+ if (previous_screen)
+ remove_settings_signal (GTK_PATH_BAR (widget), previous_screen);
+
+ gtk_path_bar_check_icon_theme (GTK_PATH_BAR (widget));
+}
+
static void
gtk_path_bar_add (GtkContainer *container,
GtkWidget *widget)
}
static void
- gtk_path_bar_scroll_up (GtkWidget *button, GtkPathBar *path_bar)
+gtk_path_bar_scroll_up (GtkWidget *button, GtkPathBar *path_bar)
{
GList *list;
}
}
-/* Public functions. */
+/* Changes the icons wherever it is needed */
+static void
+reload_icons (GtkPathBar *path_bar)
+{
+ GList *list;
+
+ if (path_bar->root_icon)
+ {
+ g_object_unref (path_bar->root_icon);
+ path_bar->root_icon = NULL;
+ }
+ if (path_bar->home_icon)
+ {
+ g_object_unref (path_bar->home_icon);
+ path_bar->home_icon = NULL;
+ }
+ if (path_bar->desktop_icon)
+ {
+ g_object_unref (path_bar->desktop_icon);
+ path_bar->desktop_icon = NULL;
+ }
+
+ for (list = path_bar->button_list; list; list = list->next)
+ {
+ ButtonData *button_data;
+ gboolean current_dir;
+
+ button_data = BUTTON_DATA (list->data);
+ if (button_data->type != NORMAL_BUTTON)
+ {
+ current_dir = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button_data->button));
+ gtk_path_bar_update_button_appearance (path_bar, button_data, current_dir);
+ }
+ }
+
+}
+
+static void
+change_icon_theme (GtkPathBar *path_bar)
+{
+ GtkSettings *settings;
+ gint width, height;
+
+ settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));
+
+ if (gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_BUTTON, &width, &height))
+ path_bar->icon_size = MAX (width, height);
+ else
+ path_bar->icon_size = FALLBACK_ICON_SIZE;
+
+ reload_icons (path_bar);
+}
+/* Callback used when a GtkSettings value changes */
+static void
+settings_notify_cb (GObject *object,
+ GParamSpec *pspec,
+ GtkPathBar *path_bar)
+{
+ const char *name;
+
+ name = g_param_spec_get_name (pspec);
+
+ if (! strcmp (name, "gtk-icon-theme-name") ||
+ ! strcmp (name, "gtk-icon-sizes"))
+ change_icon_theme (path_bar);
+}
+
+static void
+gtk_path_bar_check_icon_theme (GtkPathBar *path_bar)
+{
+ GtkSettings *settings;
+
+ if (path_bar->settings_signal_id)
+ return;
+
+ settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (path_bar)));
+ path_bar->settings_signal_id = g_signal_connect (settings, "notify", G_CALLBACK (settings_notify_cb), path_bar);
+
+ change_icon_theme (path_bar);
+}
+
+/* Public functions and their helpers */
static void
gtk_path_bar_clear_buttons (GtkPathBar *path_bar)
{
path_bar->root_icon = gtk_file_system_volume_render_icon (path_bar->file_system,
volume,
GTK_WIDGET (path_bar),
- ICON_SIZE,
+ path_bar->icon_size,
NULL);
gtk_file_system_volume_free (path_bar->file_system, volume);
path_bar->home_icon = gtk_file_system_render_icon (path_bar->file_system,
path_bar->home_path,
GTK_WIDGET (path_bar),
- ICON_SIZE, NULL);
+ path_bar->icon_size,
+ NULL);
return path_bar->home_icon;
case DESKTOP_BUTTON:
if (path_bar->desktop_icon != NULL)
path_bar->desktop_icon = gtk_file_system_render_icon (path_bar->file_system,
path_bar->desktop_path,
GTK_WIDGET (path_bar),
- ICON_SIZE, NULL);
+ path_bar->icon_size,
+ NULL);
return path_bar->desktop_icon;
default:
return NULL;
}
static void
-update_button_appearance (GtkPathBar *path_bar,
- ButtonData *button_data,
- gboolean current_dir)
+gtk_path_bar_update_button_appearance (GtkPathBar *path_bar,
+ ButtonData *button_data,
+ gboolean current_dir)
{
const gchar *dir_name;
gtk_container_add (GTK_CONTAINER (button_data->button), child);
gtk_widget_show_all (button_data->button);
- update_button_appearance (path_bar, button_data, current_dir);
+ gtk_path_bar_update_button_appearance (path_bar, button_data, current_dir);
g_signal_connect (button_data->button, "clicked",
G_CALLBACK (button_clicked_cb),
{
for (list = path_bar->button_list; list; list = list->next)
{
- update_button_appearance (path_bar,
- BUTTON_DATA (list->data),
- (list == current_path) ? TRUE : FALSE);
+ gtk_path_bar_update_button_appearance (path_bar,
+ BUTTON_DATA (list->data),
+ (list == current_path) ? TRUE : FALSE);
}
return TRUE;
}
projects / gtk4.git / commitdiff