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authorlukefromdc <[email protected]>2016-08-08 02:57:55 -0400
committerraveit65 <[email protected]>2016-08-08 10:17:18 +0200
commit8c926115c99100a581abfd20dced5dfbe4922792 (patch)
tree20743e3f2cdc456c6f602e7474a64b562c39f80c /src/caja-desktop-window.c
parent3eb928b92af5be2fb19e6c975d124a289c5c2787 (diff)
downloadcaja-8c926115c99100a581abfd20dced5dfbe4922792.tar.bz2
caja-8c926115c99100a581abfd20dced5dfbe4922792.tar.xz
Fix background rendering in noncomposited case
Apply Alberts Muktupāvels' https://bugzilla.gnome.org/attachment.cgi?id=332444&action=diff to Caja, it just plain works. Remove previous fallback background code. Add GTK 3.21 selectors missed in caja_desktop_window_class_init, clean up a couple tabs
Diffstat (limited to 'src/caja-desktop-window.c')
-rw-r--r--src/caja-desktop-window.c152
1 files changed, 126 insertions, 26 deletions
diff --git a/src/caja-desktop-window.c b/src/caja-desktop-window.c
index cea694d0..42f4214e 100644
--- a/src/caja-desktop-window.c
+++ b/src/caja-desktop-window.c
@@ -34,18 +34,110 @@
#include <libcaja-private/caja-file-utilities.h>
#include <libcaja-private/caja-icon-names.h>
#include <gio/gio.h>
-#include <glib/gi18n.h>
+#include <glib/gi18n.h>
+#if GTK_CHECK_VERSION(3, 21, 0)
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include <libmate-desktop/mate-bg.h>
+#endif
struct CajaDesktopWindowDetails
{
gulong size_changed_id;
gboolean loaded;
+#if GTK_CHECK_VERSION(3, 21, 0)
+ gboolean composited;
+ cairo_surface_t *surface;
+#endif
};
G_DEFINE_TYPE (CajaDesktopWindow, caja_desktop_window,
CAJA_TYPE_SPATIAL_WINDOW);
+#if GTK_CHECK_VERSION(3, 21, 0)
+
+static void
+background_changed (CajaDesktopWindow *window)
+{
+ GdkScreen *screen = gdk_screen_get_default ();
+
+ if (window->details->surface) {
+ cairo_surface_destroy (window->details->surface);
+ }
+
+ window->details->surface = mate_bg_get_surface_from_root (screen);
+ gtk_widget_queue_draw (GTK_WIDGET (window));
+}
+
+static GdkFilterReturn
+filter_func (GdkXEvent *xevent,
+ GdkEvent *event,
+ CajaDesktopWindow *window)
+{
+ XEvent *xev = (XEvent *) xevent;
+ GdkAtom gdkatom;
+
+ if (xev->type != PropertyNotify) {
+ return GDK_FILTER_CONTINUE;
+ }
+
+ gdkatom = gdk_atom_intern_static_string ("_XROOTPMAP_ID");
+ if (xev->xproperty.atom != gdk_x11_atom_to_xatom (gdkatom)) {
+ return GDK_FILTER_CONTINUE;
+ }
+
+ background_changed (window);
+
+ return GDK_FILTER_CONTINUE;
+}
+
+static void
+caja_desktop_window_composited_changed (GtkWidget *widget)
+{
+ CajaDesktopWindow *window = CAJA_DESKTOP_WINDOW (widget);
+ GdkScreen *screen = gdk_screen_get_default ();
+ gboolean composited = gdk_screen_is_composited (screen);
+ GdkWindow *root;
+
+ if (window->details->composited == composited) {
+ return;
+ }
+
+ window->details->composited = composited;
+ root = gdk_screen_get_root_window (screen);
+
+ if (composited) {
+ gdk_window_remove_filter (root, (GdkFilterFunc) filter_func, window);
+
+ if (window->details->surface) {
+ cairo_surface_destroy (window->details->surface);
+ window->details->surface = NULL;
+ }
+ } else {
+ gint events = gdk_window_get_events (root);
+
+ gdk_window_set_events (root, events | GDK_PROPERTY_CHANGE_MASK);
+ gdk_window_add_filter (root, (GdkFilterFunc) filter_func, window);
+ background_changed (window);
+ }
+}
+
+static gboolean
+caja_desktop_window_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ CajaDesktopWindow *window = CAJA_DESKTOP_WINDOW (widget);
+
+ if (window->details->surface) {
+ cairo_set_source_surface (cr, window->details->surface, 0, 0);
+ cairo_paint (cr);
+ }
+
+ return GTK_WIDGET_CLASS (caja_desktop_window_parent_class)->draw (widget, cr);
+}
+
+#endif
+
static void
caja_desktop_window_init (CajaDesktopWindow *window)
{
@@ -62,6 +154,11 @@ caja_desktop_window_init (CajaDesktopWindow *window)
gtk_style_context_add_class (context, "caja-desktop-window");
#endif
+#if GTK_CHECK_VERSION(3, 21, 0)
+ window->details->composited = TRUE;
+ caja_desktop_window_composited_changed (GTK_WIDGET (window));
+#endif
+
gtk_window_move (GTK_WINDOW (window), 0, 0);
/* shouldn't really be needed given our semantic type
@@ -84,9 +181,9 @@ caja_desktop_window_init (CajaDesktopWindow *window)
/* Set the accessible name so that it doesn't inherit the cryptic desktop URI. */
accessible = gtk_widget_get_accessible (GTK_WIDGET (window));
- if (accessible) {
+ if (accessible) {
atk_object_set_name (accessible, _("Desktop"));
- }
+ }
}
static gint
@@ -180,11 +277,11 @@ static void
unrealize (GtkWidget *widget)
{
CajaDesktopWindow *window;
- CajaDesktopWindowDetails *details;
+ CajaDesktopWindowDetails *details;
GdkWindow *root_window;
window = CAJA_DESKTOP_WINDOW (widget);
- details = window->details;
+ details = window->details;
root_window = gdk_screen_get_root_window (
gtk_window_get_screen (GTK_WINDOW (window)));
@@ -192,11 +289,11 @@ unrealize (GtkWidget *widget)
gdk_property_delete (root_window,
gdk_atom_intern ("CAJA_DESKTOP_WINDOW_ID", TRUE));
- if (details->size_changed_id != 0) {
- g_signal_handler_disconnect (gtk_window_get_screen (GTK_WINDOW (window)),
- details->size_changed_id);
- details->size_changed_id = 0;
- }
+ if (details->size_changed_id != 0) {
+ g_signal_handler_disconnect (gtk_window_get_screen (GTK_WINDOW (window)),
+ details->size_changed_id);
+ details->size_changed_id = 0;
+ }
GTK_WIDGET_CLASS (caja_desktop_window_parent_class)->unrealize (widget);
}
@@ -242,12 +339,12 @@ static void
realize (GtkWidget *widget)
{
CajaDesktopWindow *window;
- CajaDesktopWindowDetails *details;
+ CajaDesktopWindowDetails *details;
#if GTK_CHECK_VERSION(3, 21, 0)
- GdkVisual *visual;
+ GdkVisual *visual;
#endif
window = CAJA_DESKTOP_WINDOW (widget);
- details = window->details;
+ details = window->details;
/* Make sure we get keyboard events */
gtk_widget_set_events (widget, gtk_widget_get_events (widget)
@@ -266,9 +363,9 @@ realize (GtkWidget *widget)
set_desktop_window_id (window, gtk_widget_get_window (widget));
- details->size_changed_id =
- g_signal_connect (gtk_window_get_screen (GTK_WINDOW (window)), "size_changed",
- G_CALLBACK (caja_desktop_window_screen_size_changed), window);
+ details->size_changed_id =
+ g_signal_connect (gtk_window_get_screen (GTK_WINDOW (window)), "size_changed",
+ G_CALLBACK (caja_desktop_window_screen_size_changed), window);
}
static char *
@@ -287,18 +384,21 @@ real_get_icon (CajaWindow *window,
static void
caja_desktop_window_class_init (CajaDesktopWindowClass *klass)
{
- GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
- CajaWindowClass *nclass = CAJA_WINDOW_CLASS (klass);
-
- wclass->realize = realize;
- wclass->unrealize = unrealize;
- wclass->map = map;
+ GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
+ CajaWindowClass *nclass = CAJA_WINDOW_CLASS (klass);
- nclass->window_type = CAJA_WINDOW_DESKTOP;
- nclass->get_title = real_get_title;
- nclass->get_icon = real_get_icon;
+ wclass->realize = realize;
+ wclass->unrealize = unrealize;
+ wclass->map = map;
+#if GTK_CHECK_VERSION(3, 21, 0)
+ wclass->composited_changed = caja_desktop_window_composited_changed;
+ wclass->draw = caja_desktop_window_draw;
+#endif
+ nclass->window_type = CAJA_WINDOW_DESKTOP;
+ nclass->get_title = real_get_title;
+ nclass->get_icon = real_get_icon;
- g_type_class_add_private (klass, sizeof (CajaDesktopWindowDetails));
+ g_type_class_add_private (klass, sizeof (CajaDesktopWindowDetails));
}
gboolean
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-01 17:12:23 +0000