GdkGrabStatus
gdk_directfb_keyboard_grab (GdkDisplay *display,
GdkWindow *window,
gint owner_events,
guint32 time)
{
GdkWindow *toplevel;
GdkWindowImplDirectFB *impl;
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
if (_gdk_directfb_keyboard_grab_window)
gdk_keyboard_ungrab (time);
toplevel = gdk_directfb_window_find_toplevel (window);
impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (toplevel)->impl);
if (impl->window)
{
if (impl->window->GrabKeyboard (impl->window) == DFB_LOCKED)
return GDK_GRAB_ALREADY_GRABBED;
}
_gdk_directfb_keyboard_grab_window = g_object_ref (window);
_gdk_directfb_keyboard_grab_owner_events = owner_events;
return GDK_GRAB_SUCCESS;
}
static void
shutdown_grab (void)
{
gdk_keyboard_ungrab (gtk_get_current_event_time ());
gdk_pointer_ungrab (gtk_get_current_event_time ());
gtk_grab_remove (grab_widget);
}
void end_key_grab(KeyGrabButton *self)
{
KeyGrabButton* b = KEYGRAB_BUTTON(self);
gdk_keyboard_ungrab(gtk_get_current_event_time());
g_signal_handler_disconnect(b->popup, b->handler);
gtk_widget_destroy(b->popup);
}
void xmms_fullscreen_leave(GtkWidget * win)
{
fullscreen_window_t *fwin;
FULL_LOCK();
fwin = getwindow(win);
if (fwin->is_full && fwin->display->is_full)
{
/* Release our grabs */
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
/* Let the WM manage this window again */
gdk_window_hide(fwin->window->window);
gdk_window_set_override_redirect(fwin->window->window, FALSE);
gdk_window_show(fwin->window->window);
/* Restore size/position */
gdk_window_move_resize(fwin->window->window, fwin->ox, fwin->oy,
fwin->owidth, fwin->oheight);
XF86VidModeSwitchToMode(fwin->display->display,
DefaultScreen(fwin->display->display),
fwin->display->origmode);
fwin->display->is_full = FALSE;
}
fwin->is_full = FALSE;
FULL_UNLOCK();
}
static void
gul_gestures_stop (GulGestures *as)
{
GulGesturesPrivate *p = as->priv;
/* ungrab the pointer if it's grabbed */
if (gdk_pointer_is_grabbed ())
{
gdk_pointer_ungrab (gtk_get_current_event_time ());
}
gdk_keyboard_ungrab (gtk_get_current_event_time ());
g_return_if_fail (p->widget);
gtk_grab_remove (p->widget);
/* disconnect all of the signals */
g_signal_handlers_disconnect_matched (p->widget, G_SIGNAL_MATCH_DATA, 0, 0,
NULL, NULL, as);
g_object_unref (p->widget);
p->widget = NULL;
p->started = FALSE;
g_object_unref (as);
}
static void keyboard_grab(int grab)
{
#ifdef DEBUGNOKBDGRAB
DBG(("keyboard_grab disabled (%d)", grab));
#else
GtkWidget *widget;
GdkWindow *window;
DBG(("keyboard_grab (%d, was %d)", grab, keyboard_grabbed));
if (grab == keyboard_grabbed) {
return;
}
/*ui_dispatch_events();
gdk_flush();*/
if (grab) {
widget = get_active_toplevel();
window = widget ? widget->window : NULL;
if ((widget == NULL) || (window == NULL)) {
log_error(ui_log, "keyboard_grab: bad params");
return;
}
gdk_keyboard_grab(window, 1, GDK_CURRENT_TIME);
keyboard_grabbed = 1;
} else {
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
keyboard_grabbed = 0;
}
#endif
}
/*!
*\brief this handler will probably evolve into
* something better.
*/
static void crash_handler(int sig)
{
pid_t pid;
static volatile unsigned long crashed_ = 0;
/*
* let's hope argv0 aren't trashed.
* both are defined in main.c.
*/
extern gchar *argv0;
/*
* besides guarding entrancy it's probably also better
* to mask off signals
*/
if (crashed_) return;
crashed_++;
#ifdef SIGTERM
if (sig == SIGTERM)
clean_quit(NULL);
#endif
/*
* gnome ungrabs focus, and flushes gdk. mmmh, good idea.
*/
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gdk_flush();
if (0 == (pid = fork())) {
char buf[50];
char *args[5];
/*
* probably also some other parameters (like GTK+ ones).
* also we pass the full startup dir and the real command
* line typed in (argv0)
*/
args[0] = argv0;
args[1] = "--debug";
args[2] = "--crash";
sprintf(buf, "%d,%d,%s", getppid(), sig, argv0);
args[3] = buf;
args[4] = NULL;
chdir(sylpheed_get_startup_dir());
setgid(getgid());
setuid(getuid());
execvp(argv0, args);
} else {
waitpid(pid, NULL, 0);
crash_cleanup_exit();
_exit(253);
}
_exit(253);
}
static void
remove_popup (GtkWidget *popup)
{
GdkWindow *root;
#if GTK_CHECK_VERSION (3, 0, 0)
GdkDisplay *display;
GdkDevice *pointer;
GdkDevice *keyboard;
GdkDeviceManager *device_manager;
#endif
root = gdk_screen_get_root_window (
gtk_window_get_screen (GTK_WINDOW (popup)));
gdk_window_remove_filter (root, (GdkFilterFunc) popup_filter, popup);
gtk_widget_destroy (popup);
#if GTK_CHECK_VERSION (3, 0, 0)
display = gdk_window_get_display (root);
device_manager = gdk_display_get_device_manager (display);
pointer = gdk_device_manager_get_client_pointer (device_manager);
keyboard = gdk_device_get_associated_device (pointer);
gdk_device_ungrab (pointer, GDK_CURRENT_TIME);
gdk_device_ungrab (keyboard, GDK_CURRENT_TIME);
#else
gdk_pointer_ungrab (GDK_CURRENT_TIME);
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
#endif
}
/* Remove grab. */
static void
ungrab_keyboard (GtkWidget *win, GdkEvent *event, gpointer data)
{
gdk_keyboard_ungrab (gdk_event_get_time (event));
/* Unmake window transient for the root window. */
gdk_window_set_transient_for (win->window, NULL);
}
/**
* Release the display grab.
*/
void video_window_ungrab_display( main_window_t win )
{
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
win->is_grabbed = FALSE;
main_window_set_running(win, dreamcast_is_running());
}
static gboolean
grab_key_callback (GtkWidget *widget,
GdkEventKey *event,
void *data)
{
char *path;
CellRendererKey* key = CELL_RENDERER_KEY(data);
guint scancode = event->hardware_keycode;
gdk_keyboard_ungrab (event->time);
gdk_pointer_ungrab (event->time);
path = g_strdup (g_object_get_data (G_OBJECT (key->edit_widget), CELL_RENDERER_TEXT_PATH));
gtk_cell_editable_editing_done(GTK_CELL_EDITABLE (key->edit_widget));
gtk_cell_editable_remove_widget(GTK_CELL_EDITABLE (key->edit_widget));
key->edit_widget = NULL;
key->grab_widget = NULL;
cell_renderer_key_set_scancode(key, scancode);
g_signal_emit_by_name (G_OBJECT(key), "accel_edited", path, scancode);
g_free (path);
return TRUE;
}
gboolean hotkey_released(GtkWidget *dialog,
GdkEventKey *ev,
PrefsData *data) {
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gtk_dialog_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
return FALSE;
}
static void
popup_button_popdown (PlannerPopupButton *button,
gboolean ok)
{
PlannerPopupButtonPriv *priv;
priv = GET_PRIV (button);
if (!priv->popup_widget) {
return;
}
gtk_widget_hide (priv->popup_window);
g_object_ref (priv->popup_widget);
gtk_container_remove (GTK_CONTAINER (priv->popup_window),
priv->popup_widget);
g_signal_emit (button, signals[POPDOWN], 0, priv->popup_widget, ok);
g_object_unref (priv->popup_widget);
priv->popup_widget = NULL;
if (gtk_widget_has_grab (priv->popup_window)) {
gtk_grab_remove (priv->popup_window);
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gdk_pointer_ungrab (GDK_CURRENT_TIME);
}
}
/**
* win: ignored
* event: the event that triggered ungrabbing
* data: ignored
*
* Will ungrab the keyboard
*
* Returns FALSE
**/
static gboolean
ungrab_keyboard (GtkWidget *win, GdkEvent *event, gpointer data)
{
if (keyboard_grabbed)
gdk_keyboard_ungrab (gdk_event_get_time (event));
keyboard_grabbed = FALSE;
return FALSE;
}
void
uni_nav_release (UniNav * nav)
{
gdk_pointer_ungrab (GDK_CURRENT_TIME);
/* Release keyboard focus. */
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gtk_grab_remove (nav->preview);
}
static void ungrab_stuff(GtkWidget* widget, gpointer data)
{
EggCellRendererKeys* keys = EGG_CELL_RENDERER_KEYS(data);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gdk_pointer_ungrab(GDK_CURRENT_TIME);
g_signal_handlers_disconnect_by_func(G_OBJECT(keys->grab_widget), G_CALLBACK(grab_key_callback), data);
}
void aquire_hotkey(const char* widget_name,
PrefsData *data) {
gint resp, action;
GtkWidget *diag = data->hotkey_dialog;
action =
(!strcmp(widget_name,"mute_eventbox"))?
0:
(!strcmp(widget_name,"up_eventbox"))?
1:
(!strcmp(widget_name,"down_eventbox"))?
2:-1;
if (action < 0) {
report_error("Invalid widget passed to aquire_hotkey: %s",widget_name);
return;
}
switch(action) {
case 0:
gtk_label_set_text(GTK_LABEL(data->hotkey_key_label),_("Mute/Unmute"));
break;
case 1:
gtk_label_set_text(GTK_LABEL(data->hotkey_key_label),_("Volume Up"));
break;
case 2:
gtk_label_set_text(GTK_LABEL(data->hotkey_key_label),_("Volume Down"));
break;
default:
break;
}
// grab keyboard
if (G_LIKELY(gdk_keyboard_grab(gtk_widget_get_root_window(GTK_WIDGET(diag)), TRUE, GDK_CURRENT_TIME) == GDK_GRAB_SUCCESS)) {
resp = gtk_dialog_run(GTK_DIALOG(diag));
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
if (resp == GTK_RESPONSE_OK) {
const gchar* key_name = gtk_label_get_text(GTK_LABEL(data->hotkey_key_label));
switch(action) {
case 0:
gtk_label_set_text(GTK_LABEL(data->mute_hotkey_label),key_name);
break;
case 1:
gtk_label_set_text(GTK_LABEL(data->up_hotkey_label),key_name);
break;
case 2:
gtk_label_set_text(GTK_LABEL(data->down_hotkey_label),key_name);
break;
default:
break;
}
}
}
else
report_error("%s", _("Could not grab the keyboard."));
gtk_widget_hide(diag);
}
static gboolean
gs_grab_release_keyboard (GSGrab *grab)
{
gs_debug ("Ungrabbing keyboard");
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gs_grab_keyboard_reset (grab);
return TRUE;
}
/* ungrab_keyboard - remove grab */
static gboolean
ungrab_keyboard (GtkWidget *win, GdkEvent *event, gpointer data)
{
#ifndef _DEBUG
if (g_object_get_data (G_OBJECT (win), "keyboard-grabbed"))
gdk_keyboard_ungrab (gdk_event_get_time (event));
g_object_set_data (G_OBJECT (win), "keyboard-grabbed", NULL);
#endif
return FALSE;
}
gint switch_fullscreen(GtkWidget *gl_area)
{
static GtkWidget *fullscreenwidget = NULL;
if (!fullscreenwidget)
{
/* Grab keyboard and pointer so that user does not wander off the game
window while in fullscreen mode.
*/
if (gdk_keyboard_grab(gl_area->window, FALSE, GDK_CURRENT_TIME) == 0)
{
if (gdk_pointer_grab(gl_area->window, FALSE, 0, NULL, NULL, GDK_CURRENT_TIME) == 0)
{
gtk_widget_grab_focus(gl_area);
if (gtk_gl_area_make_current(GTK_GL_AREA(gl_area)))
{
if (XMesaSetFXmode((XMESA_FX_FULLSCREEN)))
{
fullscreenwidget = gl_area;
return TRUE;
}
}
gdk_pointer_ungrab(GDK_CURRENT_TIME);
}
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
}
return FALSE;
}
if (fullscreenwidget == gl_area)
{
if (gtk_gl_area_make_current(GTK_GL_AREA(gl_area)))
XMesaSetFXmode(XMESA_FX_WINDOW);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gdk_pointer_ungrab(GDK_CURRENT_TIME);
fullscreenwidget = NULL;
return TRUE;
}
return FALSE;
}
/* Remove grab. */
static void
ungrab_keyboard (GtkWidget *win, GdkEvent *event, gpointer data)
{
gdk_keyboard_ungrab (gdk_event_get_time (event));
/* Unmake window transient for the root window. */
/* gdk_window_set_transient_for cannot be used with parent = NULL to
unset transient hint (unlike gtk_ version which can). Replacement
code is taken from gtk_window_transient_parent_unrealized. */
gdk_property_delete (win->window,
gdk_atom_intern_static_string ("WM_TRANSIENT_FOR"));
}
static gint
history_popup_clicked_cb(GtkWidget *widget, gpointer data)
{
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gtk_grab_remove(GTK_WIDGET(widget));
gtk_widget_destroy(GTK_WIDGET(widget));
widget = NULL;
/* go on */
return (FALSE);
}
static void
remove_popup (GtkWidget *popup)
{
GdkWindow *root;
root = gdk_screen_get_root_window (
gtk_window_get_screen (GTK_WINDOW (popup)));
gdk_window_remove_filter (root, (GdkFilterFunc) popup_filter, popup);
gtk_widget_destroy (popup);
gdk_pointer_ungrab (GDK_CURRENT_TIME);
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
}
static gboolean
history_key_press_cb (GtkWidget *widget, GdkEventKey *event, gpointer data)
{
if (event->keyval == GDK_Escape) {
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gtk_grab_remove(GTK_WIDGET(widget));
gtk_widget_destroy(GTK_WIDGET(widget));
widget = NULL;
}
return FALSE;
}
static void
shutdown_grab (void)
{
#if GTK_CHECK_VERSION (3, 0, 0)
GdkDeviceManager *manager = gdk_display_get_device_manager (gdk_display_get_default ());
GdkDevice *device = gdk_device_manager_get_client_pointer (manager);
gdk_device_ungrab (device, gtk_get_current_event_time ());
gdk_device_ungrab (gdk_device_get_associated_device (device), gtk_get_current_event_time ());
#else
gdk_keyboard_ungrab (gtk_get_current_event_time ());
gdk_pointer_ungrab (gtk_get_current_event_time ());
#endif
gtk_grab_remove (grab_widget);
}
void VNCCanvas::ungrab_keyboard()
{
#ifdef __WXGTK__
// ungrab
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
// restore to saved values
GtkSettings *settings = gtk_settings_get_for_screen(gdk_screen_get_default());
g_object_set(settings, "gtk-enable-mnemonics", saved_enable_mnemonics, NULL);
g_object_set(settings, "gtk-enable-accels", saved_enable_accels, NULL);
g_object_set(settings, "gtk-menu-bar-accel", saved_menubar_accel, NULL);
#endif
keyboard_grabbed = false;
wxLogDebug(wxT("VNCCanvas %p: ungrabbed keyboard"), this);
}
static gboolean
release_grabs (void)
{
/* Make sure we release grabs */
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
/* TODO: can we replace this with gdk_x11_ungrab_server ()?
* see http://bugzilla.gnome.org/show_bug.cgi?id=550135.
*/
XUngrabServer (GDK_DISPLAY ());
gdk_flush();
return TRUE;
}
static gboolean
grab_available (GdkWindow *win, guint32 timestamp)
{
GdkEventMask mask;
GdkGrabStatus g1;
GdkGrabStatus g2;
gboolean grab_failed;
gint i;
TRACE ("entering grab_available");
mask = GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
GDK_POINTER_MOTION_MASK;
g1 = gdk_pointer_grab (win, TRUE, mask, NULL, NULL, timestamp);
g2 = gdk_keyboard_grab (win, TRUE, timestamp);
grab_failed = FALSE;
i = 0;
while ((i++ < 100) && (grab_failed = ((g1 != GDK_GRAB_SUCCESS)
|| (g2 != GDK_GRAB_SUCCESS))))
{
TRACE ("grab not available yet, waiting... (%i)", i);
g_usleep (100);
if (g1 != GDK_GRAB_SUCCESS)
{
g1 = gdk_pointer_grab (win, TRUE, mask, NULL, NULL, timestamp);
}
if (g2 != GDK_GRAB_SUCCESS)
{
g2 = gdk_keyboard_grab (win, TRUE, timestamp);
}
}
if (g1 == GDK_GRAB_SUCCESS)
{
gdk_pointer_ungrab (timestamp);
}
if (g2 == GDK_GRAB_SUCCESS)
{
gdk_keyboard_ungrab (timestamp);
}
return (!grab_failed);
}
static void
grab_window_toggled (GtkToggleButton *button,
GtkWidget *widget)
{
if (gtk_toggle_button_get_active (button))
{
int status;
status = gdk_keyboard_grab (widget->window, FALSE, GDK_CURRENT_TIME);
if (status != GDK_GRAB_SUCCESS)
g_warning ("Could not grab keyboard! (%s)", grab_string (status));
}
else
{
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
}
}
static void
clear_key_callback(GtkButton *widget, gpointer data)
{
char *path;
CellRendererKey* key = CELL_RENDERER_KEY(data);
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gdk_pointer_ungrab(GDK_CURRENT_TIME);
path = g_strdup (g_object_get_data (G_OBJECT (key->edit_widget), CELL_RENDERER_TEXT_PATH));
gtk_cell_editable_editing_done(GTK_CELL_EDITABLE (key->edit_widget));
gtk_cell_editable_remove_widget(GTK_CELL_EDITABLE (key->edit_widget));
key->edit_widget = NULL;
key->grab_widget = NULL;
cell_renderer_key_set_scancode(key, 0);
g_signal_emit_by_name (G_OBJECT(key), "accel_cleared", path);
g_free (path);
}
