diff options
Diffstat (limited to 'gtk')
| -rw-r--r-- | gtk/spice-widget.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gtk/spice-widget.c b/gtk/spice-widget.c index 362f313..a3ca4fc 100644 --- a/gtk/spice-widget.c +++ b/gtk/spice-widget.c @@ -488,8 +488,10 @@ static void try_keyboard_grab(SpiceDisplay *display) gtk_widget_grab_focus(widget); #ifdef WIN32 - d->keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_hook_cb, - GetModuleHandle(NULL), 0); + if (d->keyboard_hook == NULL) + d->keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_hook_cb, + GetModuleHandle(NULL), 0); + g_warn_if_fail(d->keyboard_hook != NULL); #endif status = gdk_keyboard_grab(gtk_widget_get_window(widget), FALSE, GDK_CURRENT_TIME); @@ -513,8 +515,10 @@ static void try_keyboard_ungrab(SpiceDisplay *display) SPICE_DEBUG("ungrab keyboard"); gdk_keyboard_ungrab(GDK_CURRENT_TIME); #ifdef WIN32 - UnhookWindowsHookEx(d->keyboard_hook); - d->keyboard_hook = 0; + if (d->keyboard_hook != NULL) { + UnhookWindowsHookEx(d->keyboard_hook); + d->keyboard_hook = NULL; + } #endif d->keyboard_grab_active = false; g_signal_emit(widget, signals[SPICE_DISPLAY_KEYBOARD_GRAB], 0, false); |