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From c3a3f23968edceaf097f20450c795c762ec36fc0 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jakub=20Jank=C5=AF?= <jjanku@redhat.com>
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Date: Sun, 20 Dec 2020 12:29:27 +0100
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Subject: [PATCH] disable default grab sequence in kiosk mode
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Hotkeys should be disabled in kiosk mode. However, if no
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"release-cursor" hotkey is specified, the default Ctrl+Alt
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grab sequence keeps functioning even in kiosk mode.
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That's because it's based on the spice/vnc functionality instead
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of on the accelerators in virt-viewer.
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That's especially problematic with spice, because the grab
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sequence releases both the cursor and the keyboard. Thus the user
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can escape from kiosk mode by pressing Ctrl+Alt followed by
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Alt+Tab, for example.
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Related: https://bugzilla.redhat.com/show_bug.cgi?id=1893584
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Signed-off-by: Jakub Janků <jjanku@redhat.com>
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---
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src/virt-viewer-display-spice.c | 6 +++++-
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src/virt-viewer-display-vnc.c | 6 +++++-
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2 files changed, 10 insertions(+), 2 deletions(-)
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diff --git a/src/virt-viewer-display-spice.c b/src/virt-viewer-display-spice.c
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index a82422c..799403c 100644
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--- a/src/virt-viewer-display-spice.c
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+++ b/src/virt-viewer-display-spice.c
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@@ -238,10 +238,14 @@ enable_accel_changed(VirtViewerApp *app,
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VirtViewerDisplaySpice *self)
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{
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GtkAccelKey key = {0, 0, 0};
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+ gboolean kiosk;
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+
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if (virt_viewer_app_get_enable_accel(app))
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gtk_accel_map_lookup_entry("<virt-viewer>/view/release-cursor", &key);
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- if (key.accel_key || key.accel_mods) {
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+ g_object_get(app, "kiosk", &kiosk, NULL);
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+
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+ if (key.accel_key || key.accel_mods || kiosk) {
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SpiceGrabSequence *seq = spice_grab_sequence_new(0, NULL);
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/* disable default grab sequence */
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spice_display_set_grab_keys(self->priv->display, seq);
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diff --git a/src/virt-viewer-display-vnc.c b/src/virt-viewer-display-vnc.c
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index d38dcac..537173c 100644
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--- a/src/virt-viewer-display-vnc.c
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+++ b/src/virt-viewer-display-vnc.c
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@@ -188,10 +188,14 @@ enable_accel_changed(VirtViewerApp *app,
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VncDisplay *vnc)
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{
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GtkAccelKey key = {0, 0, 0};
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+ gboolean kiosk;
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+
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if (virt_viewer_app_get_enable_accel(app))
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gtk_accel_map_lookup_entry("<virt-viewer>/view/release-cursor", &key);
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- if (key.accel_key || key.accel_mods) {
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+ g_object_get(app, "kiosk", &kiosk, NULL);
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+
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+ if (key.accel_key || key.accel_mods || kiosk) {
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VncGrabSequence *seq = vnc_grab_sequence_new(0, NULL);
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/* disable default grab sequence */
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vnc_display_set_grab_keys(vnc, seq);
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--
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2.29.2
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