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[Qemu-devel] [Bug 1703795] [PATCH] sdl2: fix mouse grab
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [Bug 1703795] [PATCH] sdl2: fix mouse grab |
Date: |
Fri, 02 Feb 2018 12:08:03 -0000 |
When qemu mouse mode changes from relative to absolute
we must turn off sdl relative mouse mode too.
Fixes: https://bugs.launchpad.net/qemu/+bug/1703795
Signed-off-by: Gerd Hoffmann <address@hidden>
---
ui/sdl2.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/ui/sdl2.c b/ui/sdl2.c
index 812c315891..858e04d7c0 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -249,6 +249,7 @@ static void sdl_mouse_mode_change(Notifier *notify, void
*data)
if (qemu_input_is_absolute()) {
if (!absolute_enabled) {
absolute_enabled = 1;
+ SDL_SetRelativeMouseMode(SDL_FALSE);
absolute_mouse_grab(&sdl2_console[0]);
}
} else if (absolute_enabled) {
--
2.9.3
--
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https://bugs.launchpad.net/bugs/1703795
Title:
Unable to release mouse in SDL2 mode
Status in QEMU:
New
Bug description:
Starting with commit 8f4ea9cd0b770dbe496d9d24f0ef8813fdbfe0d0 "sdl:
prefer sdl2 over sdl1", I can no longer release mouse pointer grab
unless I use --with-sdlabi=1.2 configure option.
This easily reproduces in e.g. guest Kubuntu, when I let it start Xorg
and then click into the QEMU window. After this the mouse is trapped
and no matter how I combine Ctrl+Alt and motion of the cursor, the
pointer never goes out from the window. When at the border, QEMU
window switches from "Press Ctrl+Alt to exit grab" to "QEMU", i.e. it
thinks that it has released the grab. But it hasn't really, so I have
to go to VT1 and do "pkill qemu" from there to get my pointer back.
To manage notifications about this bug go to:
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