From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Stefan Weil" <sw@weilnetz.de>,
"Volker Rümelin" <vr_qemu@t-online.de>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>
Subject: [PULL 03/11] ui/gkt: release all keys on grab-broken-event
Date: Wed, 20 May 2020 10:43:08 +0200 [thread overview]
Message-ID: <20200520084316.22057-4-kraxel@redhat.com> (raw)
In-Reply-To: <20200520084316.22057-1-kraxel@redhat.com>
From: Volker Rümelin <vr_qemu@t-online.de>
There is no way to grab the Ctrl-Alt-Del key combination on
Windows. This key combination will leave all three keys in a
stuck condition. This patch uses the grab-broken-event to
release the keys.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200516072014.7766-3-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
ui/gtk.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/ui/gtk.c b/ui/gtk.c
index a0b10a140330..655b26de384e 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1142,6 +1142,25 @@ static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
return TRUE;
}
+static gboolean gd_grab_broken_event(GtkWidget *widget,
+ GdkEventGrabBroken *event, void *opaque)
+{
+#ifdef CONFIG_WIN32
+ /*
+ * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
+ * key combination leaves all three keys in a stuck condition. We use
+ * the grab-broken-event to release all keys.
+ */
+ if (event->keyboard) {
+ VirtualConsole *vc = opaque;
+ GtkDisplayState *s = vc->s;
+
+ gtk_release_modifiers(s);
+ }
+#endif
+ return TRUE;
+}
+
static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
{
if (event->type == GDK_MOTION_NOTIFY) {
@@ -1910,6 +1929,8 @@ static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
G_CALLBACK(gd_focus_out_event), vc);
g_signal_connect(vc->gfx.drawing_area, "configure-event",
G_CALLBACK(gd_configure), vc);
+ g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
+ G_CALLBACK(gd_grab_broken_event), vc);
} else {
g_signal_connect(vc->gfx.drawing_area, "key-press-event",
G_CALLBACK(gd_text_key_down), vc);
--
2.18.4
next prev parent reply other threads:[~2020-05-20 8:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 8:43 [PULL 00/11] Ui 20200520 patches Gerd Hoffmann
2020-05-20 8:43 ` [PULL 01/11] ui/win32-kbd-hook: handle AltGr in a hook procedure Gerd Hoffmann
2020-05-22 17:15 ` Philippe Mathieu-Daudé
2020-05-20 8:43 ` [PULL 02/11] ui/gtk: fix handling of AltGr key on Windows Gerd Hoffmann
2020-05-20 8:43 ` Gerd Hoffmann [this message]
2020-05-20 8:43 ` [PULL 04/11] ui/gtk: remove unused code Gerd Hoffmann
2020-05-20 8:43 ` [PULL 05/11] ui/gtk: remove unused variable ignore_keys Gerd Hoffmann
2020-05-20 8:43 ` [PULL 06/11] ui/sdl2: fix handling of AltGr key on Windows Gerd Hoffmann
2020-05-20 8:43 ` [PULL 07/11] ui/sdl2: start in full screen with grab enabled Gerd Hoffmann
2020-05-20 8:43 ` [PULL 08/11] ui/sdl2-input: use trace-events to debug key events Gerd Hoffmann
2020-05-20 8:43 ` [PULL 09/11] ui/gtk: don't pass on win keys without keyboard grab Gerd Hoffmann
2020-05-20 8:43 ` [PULL 10/11] ui/gtk: use native keyboard scancodes on Windows Gerd Hoffmann
2020-05-20 8:43 ` [PULL 11/11] ui: increase min required GTK version to 3.22.0 Gerd Hoffmann
2020-05-21 15:46 ` [PULL 00/11] Ui 20200520 patches Peter Maydell
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