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add mousevanish ctrl

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This commit is contained in:
cxgeorge 2001-10-12 00:40:47 +00:00
parent 88baa467d0
commit 44728d99f6
1 changed files with 16 additions and 3 deletions
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19
panda/src/wgldisplay/wglGraphicsWindow.cxx
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@ -3321,23 +3321,36 @@ extern char *ConvDDErrorToString(const HRESULT &error) {
// Global system parameters we want to modify during our run
static int iMouseTrails;
static bool bCursorShadowOn;
static bool bCursorShadowOn,bMouseVanish;
#ifndef SPI_GETMOUSEVANISH
// get of this when we upgrade to winxp winuser.h
#define SPI_GETMOUSEVANISH 0x1020
#define SPI_SETMOUSEVANISH 0x1021
#endif
void set_global_parameters(void) {
// turn off mousetrails and cursor shadow.
// turn off mousetrails and cursor shadow and mouse cursor vanish
// cursor shadow causes cursor blink and reduced frame rate due to lack of driver support for
// cursor alpha blending
// this is a win2k/xp only param, could use GetVersionEx to do it just for win2k
// this is a win2k/xp only param, could use GetVersionEx to do it just for win2k,
// but since it is just a param it will just cause a silent error on other OS's
// that should be ok
SystemParametersInfo(SPI_GETCURSORSHADOW,NULL,&bCursorShadowOn,NULL);
SystemParametersInfo(SPI_SETCURSORSHADOW,NULL,(PVOID)false,NULL);
SystemParametersInfo(SPI_GETMOUSETRAILS,NULL,&iMouseTrails,NULL);
SystemParametersInfo(SPI_SETMOUSETRAILS,NULL,(PVOID)0,NULL);
// this is ME/XP only feature
SystemParametersInfo(SPI_GETMOUSEVANISH,NULL,&bMouseVanish,NULL);
SystemParametersInfo(SPI_SETMOUSEVANISH,NULL,(PVOID)false,NULL);
}
void restore_global_parameters(void) {
SystemParametersInfo(SPI_SETCURSORSHADOW,NULL,(PVOID)bCursorShadowOn,NULL);
SystemParametersInfo(SPI_SETMOUSETRAILS,NULL,(PVOID)iMouseTrails,NULL);
SystemParametersInfo(SPI_SETMOUSEVANISH,NULL,(PVOID)bMouseVanish,NULL);
}