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backends/sdl/input.c: only call SDL_WM_GrabInput() when needed.

This commit is contained in:
svdijk 2012-10-29 21:21:22 +01:00 committed by Yamagi Burmeister
parent 64632bbc3b
commit 7be7f6831f
1 changed files with 31 additions and 12 deletions
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43
src/backends/sdl/input.c
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@ -40,7 +40,7 @@
#define MOUSE_MAX 3000
#define MOUSE_MIN 40
static int old_windowed_mouse;
static qboolean mouse_grabbed;
static cvar_t *windowed_mouse;
static cvar_t *in_grab;
static int mouse_x, mouse_y;
@ -469,30 +469,41 @@ IN_Update(void)
}
/* Grab and ungrab the mouse if the
* console is opened */
* console or the menu is opened */
if (in_grab->value == 2)
{
if (old_windowed_mouse != windowed_mouse->value)
if (windowed_mouse->value)
{
old_windowed_mouse = windowed_mouse->value;
if (!windowed_mouse->value)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
}
else
if (!mouse_grabbed)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
mouse_grabbed = true;
}
}
else
{
if (mouse_grabbed)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
mouse_grabbed = false;
}
}
}
else if (in_grab->value == 1)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
if (!mouse_grabbed)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
mouse_grabbed = true;
}
}
else
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
if (mouse_grabbed)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
mouse_grabbed = false;
}
}
/* Process the key events */
@ -605,6 +616,14 @@ IN_BackendInit(in_state_t *in_state_p)
/* SDL stuff */
SDL_EnableUNICODE(0);
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_ON)
{
mouse_grabbed = true;
}
else
{
mouse_grabbed = false;
}
windowed_mouse = ri.Cvar_Get("windowed_mouse", "1",
CVAR_USERINFO | CVAR_ARCHIVE);