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kdrive: Add timeout to screen switching to avoid unintentional flipping

This commit is contained in:
Keith Packard 2000-10-08 02:08:39 +00:00
parent fb8b58270f
commit 5f5b9ed1ad
1 changed files with 16 additions and 1 deletions
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17
hw/kdrive/src/kinput.c
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@ -21,7 +21,7 @@
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE. * PERFORMANCE OF THIS SOFTWARE.
*/ */
/* $XFree86: xc/programs/Xserver/hw/kdrive/kinput.c,v 1.8 2000/10/06 05:54:09 keithp Exp $ */ /* $XFree86: xc/programs/Xserver/hw/kdrive/kinput.c,v 1.9 2000/10/06 22:05:53 keithp Exp $ */
#include "kdrive.h" #include "kdrive.h"
#include "inputstr.h" #include "inputstr.h"
@ -45,6 +45,8 @@ static int kdBellPitch;
static int kdBellDuration; static int kdBellDuration;
static int kdLeds; static int kdLeds;
static Bool kdInputEnabled; static Bool kdInputEnabled;
static Bool kdOffScreen;
static unsigned long kdOffScreenTime;
static KdMouseMatrix kdMouseMatrix = { static KdMouseMatrix kdMouseMatrix = {
1, 0, 0, 1, 0, 0,
0, 1, 0 0, 1, 0
@ -1371,11 +1373,18 @@ KdCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y)
{ {
ScreenPtr pScreen = *ppScreen; ScreenPtr pScreen = *ppScreen;
int n; int n;
CARD32 ms;
if (kdDisableZaphod || screenInfo.numScreens <= 1) if (kdDisableZaphod || screenInfo.numScreens <= 1)
return FALSE; return FALSE;
if (*x < 0 || *y < 0) if (*x < 0 || *y < 0)
{ {
ms = GetTimeInMillis ();
if (kdOffScreen && (int) (ms - kdOffScreenTime) < 1000)
return FALSE;
kdOffScreen = TRUE;
kdOffScreenTime = ms;
n = pScreen->myNum - 1; n = pScreen->myNum - 1;
if (n < 0) if (n < 0)
n = screenInfo.numScreens - 1; n = screenInfo.numScreens - 1;
@ -1389,6 +1398,12 @@ KdCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y)
} }
else if (*x >= pScreen->width || *y >= pScreen->height) else if (*x >= pScreen->width || *y >= pScreen->height)
{ {
ms = GetTimeInMillis ();
if (kdOffScreen && (int) (ms - kdOffScreenTime) < 1000)
return FALSE;
kdOffScreen = TRUE;
kdOffScreenTime = ms;
n = pScreen->myNum + 1; n = pScreen->myNum + 1;
if (n >= screenInfo.numScreens) if (n >= screenInfo.numScreens)
n = 0; n = 0;