static gboolean
device_has_property (XDevice *device,
const char *property_name)
{
GdkDisplay *display;
Atom realtype, prop;
int realformat;
unsigned long nitems, bytes_after;
unsigned char *data;
display = gdk_display_get_default ();
prop = XInternAtom (GDK_DISPLAY_XDISPLAY (display), property_name, True);
if (!prop)
return FALSE;
gdk_x11_display_error_trap_push (display);
if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (display), device, prop, 0, 1, False,
XA_INTEGER, &realtype, &realformat, &nitems,
&bytes_after, &data) == Success) && (realtype != None)) {
gdk_x11_display_error_trap_pop_ignored (display);
XFree (data);
return TRUE;
}
gdk_x11_display_error_trap_pop_ignored (display);
return FALSE;
}
static Window
get_net_supporting_wm_check (GdkX11Screen *screen,
Window window)
{
GdkDisplay *display;
Atom type;
gint format;
gulong n_items;
gulong bytes_after;
guchar *data;
Window value;
display = screen->display;
type = None;
data = NULL;
value = None;
gdk_x11_display_error_trap_push (display);
XGetWindowProperty (screen->xdisplay, window,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTING_WM_CHECK"),
0, G_MAXLONG, False, XA_WINDOW, &type, &format,
&n_items, &bytes_after, &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (type == XA_WINDOW)
value = *(Window *)data;
if (data)
XFree (data);
return value;
}
static void
draw_background (MateBGCrossfade *fade)
{
if (fade->priv->widget != NULL) {
gtk_widget_queue_draw (fade->priv->widget);
} else if (gdk_window_get_window_type (fade->priv->window) != GDK_WINDOW_ROOT) {
cairo_t *cr;
cairo_region_t *region;
GdkDrawingContext *draw_context;
region = gdk_window_get_visible_region (fade->priv->window);
draw_context = gdk_window_begin_draw_frame (fade->priv->window,
region);
cr = gdk_drawing_context_get_cairo_context (draw_context);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_surface (cr, fade->priv->fading_surface, 0, 0);
cairo_paint (cr);
gdk_window_end_draw_frame (fade->priv->window, draw_context);
cairo_region_destroy (region);
} else {
Display *xdisplay = GDK_WINDOW_XDISPLAY (fade->priv->window);
GdkDisplay *display;
display = gdk_display_get_default ();
gdk_x11_display_error_trap_push (display);
XGrabServer (xdisplay);
XClearWindow (xdisplay, GDK_WINDOW_XID (fade->priv->window));
send_root_property_change_notification (fade);
XFlush (xdisplay);
XUngrabServer (xdisplay);
gdk_x11_display_error_trap_pop_ignored (display);
}
}
/**
* gdk_x11_screen_get_window_manager_name:
* @screen: a #GdkScreen
*
* Returns the name of the window manager for @screen.
*
* Return value: the name of the window manager screen @screen, or
* "unknown" if the window manager is unknown. The string is owned by GDK
* and should not be freed.
*
* Since: 2.2
**/
const char*
gdk_x11_screen_get_window_manager_name (GdkScreen *screen)
{
GdkX11Screen *x11_screen;
GdkDisplay *display;
x11_screen = GDK_X11_SCREEN (screen);
display = x11_screen->display;
if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
return x11_screen->window_manager_name;
fetch_net_wm_check_window (screen);
if (x11_screen->need_refetch_wm_name)
{
/* Get the name of the window manager */
x11_screen->need_refetch_wm_name = FALSE;
g_free (x11_screen->window_manager_name);
x11_screen->window_manager_name = g_strdup ("unknown");
if (x11_screen->wmspec_check_window != None)
{
Atom type;
gint format;
gulong n_items;
gulong bytes_after;
gchar *name;
name = NULL;
gdk_x11_display_error_trap_push (display);
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
x11_screen->wmspec_check_window,
gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_NAME"),
0, G_MAXLONG, False,
gdk_x11_get_xatom_by_name_for_display (display,
"UTF8_STRING"),
&type, &format,
&n_items, &bytes_after,
(guchar **)&name);
gdk_x11_display_error_trap_pop_ignored (display);
if (name != NULL)
{
g_free (x11_screen->window_manager_name);
x11_screen->window_manager_name = g_strdup (name);
XFree (name);
}
}
}
return GDK_X11_SCREEN (screen)->window_manager_name;
}
/* This function queries the _XROOTPMAP_ID property from the root window
* to determine the current root window background pixmap and returns a
* surface to draw directly to it.
* If _XROOTPMAP_ID is not set, then NULL returned.
*/
static cairo_surface_t *
get_root_pixmap_id_surface (GdkDisplay *display)
{
GdkScreen *screen;
Display *xdisplay;
Visual *xvisual;
Window xroot;
Atom type;
int format, result;
unsigned long nitems, bytes_after;
unsigned char *data;
cairo_surface_t *surface = NULL;
g_return_val_if_fail (display != NULL, NULL);
screen = gdk_display_get_default_screen (display);
xdisplay = GDK_DISPLAY_XDISPLAY (display);
xvisual = GDK_VISUAL_XVISUAL (gdk_screen_get_system_visual (screen));
xroot = RootWindow (xdisplay, GDK_SCREEN_XNUMBER (screen));
result = XGetWindowProperty (xdisplay, xroot,
gdk_x11_get_xatom_by_name ("_XROOTPMAP_ID"),
0L, 1L, False, XA_PIXMAP,
&type, &format, &nitems, &bytes_after,
&data);
if (result != Success || type != XA_PIXMAP ||
format != 32 || nitems != 1) {
XFree (data);
data = NULL;
}
if (data != NULL) {
Pixmap pixmap = *(Pixmap *) data;
Window root_ret;
int x_ret, y_ret;
unsigned int w_ret, h_ret, bw_ret, depth_ret;
gdk_x11_display_error_trap_push (display);
if (XGetGeometry (xdisplay, pixmap, &root_ret,
&x_ret, &y_ret, &w_ret, &h_ret,
&bw_ret, &depth_ret))
{
surface = cairo_xlib_surface_create (xdisplay,
pixmap, xvisual,
w_ret, h_ret);
}
gdk_x11_display_error_trap_pop_ignored (display);
XFree (data);
}
gdk_display_flush (display);
return surface;
}
guint
gsd_power_enable_screensaver_watchdog (void)
{
int dummy;
guint id;
/* Make sure that Xorg's DPMS extension never gets in our
* way. The defaults are now applied in Fedora 20 from
* being "0" by default to being "600" by default */
gdk_x11_display_error_trap_push (gdk_display_get_default ());
if (DPMSQueryExtension(GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &dummy, &dummy))
DPMSSetTimeouts (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), 0, 0, 0);
gdk_x11_display_error_trap_pop_ignored (gdk_display_get_default ());
id = g_timeout_add_seconds (XSCREENSAVER_WATCHDOG_TIMEOUT,
disable_builtin_screensaver,
NULL);
g_source_set_name_by_id (id, "[gnome-settings-daemon] disable_builtin_screensaver");
return id;
}
static void
on_realize (GtkWidget *dialog,
gpointer data)
{
Window xid;
xid = (Window) GPOINTER_TO_INT (data);
#if GTK_CHECK_VERSION(3, 22, 0)
gdk_x11_display_error_trap_push (gtk_widget_get_display (dialog));
#else
gdk_error_trap_push ();
#endif
XSetTransientForHint (gdk_x11_get_default_xdisplay (),
GDK_WINDOW_XID (gtk_widget_get_window (dialog)),
xid);
#if GTK_CHECK_VERSION(3, 22, 0)
gdk_x11_display_error_trap_pop_ignored (gtk_widget_get_display (dialog));
#else
gdk_error_trap_pop_ignored ();
#endif
}
static gboolean
is_shift_pressed (void)
{
gboolean ret;
GdkDisplay *display;
XkbStateRec state;
Bool status;
ret = FALSE;
display = gdk_display_get_default ();
gdk_x11_display_error_trap_push (display);
status = XkbGetState (GDK_DISPLAY_XDISPLAY (display),
XkbUseCoreKbd, &state);
gdk_x11_display_error_trap_pop_ignored (display);
if (status == Success)
{
ret = state.mods & ShiftMask;
}
return ret;
}
/**
* _gtk_xembed_send_message:
* @recipient: (allow-none): window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
* @data1: data1 field of message
* @data2: data2 field of message
*
* Sends a generic XEMBED message to a particular window.
**/
void
_gtk_xembed_send_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail,
glong data1,
glong data2)
{
GdkDisplay *display;
XClientMessageEvent xclient;
if (!recipient)
return;
g_return_if_fail (GDK_IS_WINDOW (recipient));
display = gdk_window_get_display (recipient);
GTK_NOTE (PLUGSOCKET,
g_message ("Sending %s", _gtk_xembed_message_name (message)));
memset (&xclient, 0, sizeof (xclient));
xclient.window = GDK_WINDOW_XID (recipient);
xclient.type = ClientMessage;
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
xclient.format = 32;
xclient.data.l[0] = gtk_xembed_get_time ();
xclient.data.l[1] = message;
xclient.data.l[2] = detail;
xclient.data.l[3] = data1;
xclient.data.l[4] = data2;
gdk_x11_display_error_trap_push (display);
XSendEvent (GDK_WINDOW_XDISPLAY(recipient),
GDK_WINDOW_XID (recipient),
False, NoEventMask, (XEvent *)&xclient);
gdk_x11_display_error_trap_pop_ignored (display);
}
int
main (int argc, char **argv)
{
GdkDisplay *display = NULL;
int estatus;
char *child_argv[] = { LIBEXECDIR "/cinnamon-session-check-accelerated-helper", NULL };
Window rootwin;
glong is_accelerated;
GError *error = NULL;
gtk_init (NULL, NULL);
display = gdk_display_get_default ();
rootwin = gdk_x11_get_default_root_xwindow ();
is_accelerated_atom = gdk_x11_get_xatom_by_name_for_display (display, "_CINNAMON_SESSION_ACCELERATED");
{
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
guchar *data;
read:
gdk_x11_display_error_trap_push (display);
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), rootwin,
is_accelerated_atom,
0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (type == XA_CARDINAL) {
glong *is_accelerated_ptr = (glong*) data;
if (*is_accelerated_ptr == ACCEL_CHECK_RUNNING) {
/* Test in progress, wait */
if (wait_for_property_notify ())
goto read;
/* else fall through and do the check ourselves */
} else {
return (*is_accelerated_ptr == 0 ? 1 : 0);
}
}
}
/* We don't have the property or it's the wrong type.
* Try to compute it now.
*/
/* First indicate that a test is in progress */
is_accelerated = ACCEL_CHECK_RUNNING;
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
rootwin,
is_accelerated_atom,
XA_CARDINAL, 32, PropModeReplace, (guchar *) &is_accelerated, 1);
gdk_display_sync (display);
estatus = 1;
if (!g_spawn_sync (NULL, (char**)child_argv, NULL, 0,
NULL, NULL, NULL, NULL, &estatus, &error)) {
is_accelerated = FALSE;
g_printerr ("cinnamon-session-check-accelerated: Failed to run helper: %s\n", error->message);
g_clear_error (&error);
} else {
is_accelerated = (estatus == 0);
if (!is_accelerated)
g_printerr ("cinnamon-session-check-accelerated: Helper exited with code %d\n", estatus);
}
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
rootwin,
is_accelerated_atom,
XA_CARDINAL, 32, PropModeReplace, (guchar *) &is_accelerated, 1);
gdk_display_sync (display);
return is_accelerated ? 0 : 1;
}
static void
read_settings (GdkX11Screen *x11_screen,
gboolean do_notify)
{
GdkScreen *screen = GDK_SCREEN (x11_screen);
Atom type;
int format;
unsigned long n_items;
unsigned long bytes_after;
unsigned char *data;
int result;
GHashTable *old_list = x11_screen->xsettings;
GValue value = G_VALUE_INIT;
GValue *setting, *copy;
x11_screen->xsettings = NULL;
if (x11_screen->xsettings_manager_window)
{
GdkDisplay *display = x11_screen->display;
Atom xsettings_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XSETTINGS_SETTINGS");
gdk_x11_display_error_trap_push (display);
result = XGetWindowProperty (gdk_x11_display_get_xdisplay (display),
gdk_x11_window_get_xid (x11_screen->xsettings_manager_window),
xsettings_atom, 0, LONG_MAX,
False, xsettings_atom,
&type, &format, &n_items, &bytes_after, &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (result == Success && type != None)
{
if (type != xsettings_atom)
{
g_warning ("Invalid type for XSETTINGS property: %s", gdk_x11_get_xatom_name_for_display (display, type));
}
else if (format != 8)
{
g_warning ("Invalid format for XSETTINGS property: %d", format);
}
else
x11_screen->xsettings = parse_settings (data, n_items);
XFree (data);
}
}
/* Since we support scaling we look at the specific Gdk/UnscaledDPI
setting if it exists and use that instead of Xft/DPI if it is set */
if (x11_screen->xsettings && !x11_screen->fixed_window_scale)
{
setting = g_hash_table_lookup (x11_screen->xsettings, "gdk-unscaled-dpi");
if (setting)
{
copy = g_new0 (GValue, 1);
g_value_init (copy, G_VALUE_TYPE (setting));
g_value_copy (setting, copy);
g_hash_table_insert (x11_screen->xsettings,
"gtk-xft-dpi", copy);
}
}
if (do_notify)
notify_changes (x11_screen, old_list);
if (old_list)
g_hash_table_unref (old_list);
g_value_init (&value, G_TYPE_INT);
if (!screen->resolution_set)
{
/* This code is duplicated with gtksettings.c:settings_update_resolution().
* The update of the screen resolution needs to happen immediately when
* gdk_x11_display_set_window_scale() is called, and not wait for events
* to be processed, so we can't always handling it in gtksettings.c.
* But we can't always handle it here because the DPI can be set through
* GtkSettings, which we don't have access to.
*/
int dpi_int = 0;
double dpi;
const char *scale_env;
double scale;
if (gdk_screen_get_setting (GDK_SCREEN (x11_screen),
"gtk-xft-dpi", &value))
dpi_int = g_value_get_int (&value);
if (dpi_int > 0)
dpi = dpi_int / 1024.;
else
dpi = -1.;
scale_env = g_getenv ("GDK_DPI_SCALE");
if (scale_env)
{
scale = g_ascii_strtod (scale_env, NULL);
if (scale != 0 && dpi > 0)
dpi *= scale;
}
_gdk_screen_set_resolution (screen, dpi);
}
if (!x11_screen->fixed_window_scale &&
gdk_screen_get_setting (GDK_SCREEN (x11_screen),
"gdk-window-scaling-factor", &value))
_gdk_x11_screen_set_window_scale (x11_screen,
g_value_get_int (&value));
}
