sdl: Grab input on end of non-absolute mouse click

By grabbing the input already on button down, we leave the button in
that state for the host GUI. Thus it takes another click after releasing
the input again to synchronize the mouse button state.

Avoid this by grabbing on button up.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/ui/sdl.c b/ui/sdl.c
index 0d3a889741cb742a129a7c473786741e4775773e..73e58395eb88b15c1b898559377261c58aafc5c8 100644 (file)
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -802,8 +802,7 @@ static void handle_mousebutton(DisplayState *ds, SDL_Event *ev)
 
     bev = &ev->button;
     if (!gui_grab && !kbd_mouse_is_absolute()) {
-        if (ev->type == SDL_MOUSEBUTTONDOWN &&
-            (bev->button == SDL_BUTTON_LEFT)) {
+        if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
             /* start grabbing all events */
             sdl_grab_start();
         }