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allow wxDisplaySize to be called with NULL parameters

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implement GetMetric for wxSYS_SCREEN_X & wxSYS_SCREEN_X using wxDisplaySize


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20752 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Gilles Depeyrot
2003-05-28 18:46:32 +00:00
parent eb382f3e5e
commit e8ca710507
4 changed files with 64 additions and 28 deletions
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31
src/mac/utils.cpp
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@@ -458,8 +458,12 @@ void wxDisplaySize(int *width, int *height)
BitMap screenBits;
GetQDGlobalsScreenBits( &screenBits );
*width = screenBits.bounds.right - screenBits.bounds.left ;
*height = screenBits.bounds.bottom - screenBits.bounds.top ;
if (width != NULL) {
*width = screenBits.bounds.right - screenBits.bounds.left ;
}
if (height != NULL) {
*height = screenBits.bounds.bottom - screenBits.bounds.top ;
}
}
void wxDisplaySizeMM(int *width, int *height)
@@ -467,8 +471,13 @@ void wxDisplaySizeMM(int *width, int *height)
wxDisplaySize(width, height);
// on mac 72 is fixed (at least now ;-)
float cvPt2Mm = 25.4 / 72;
*width = int( *width * cvPt2Mm );
*height = int( *height * cvPt2Mm );
if (width != NULL) {
*width = int( *width * cvPt2Mm );
}
if (height != NULL) {
*height = int( *height * cvPt2Mm );
}
}
void wxClientDisplayRect(int *x, int *y, int *width, int *height)
@@ -479,8 +488,12 @@ void wxClientDisplayRect(int *x, int *y, int *width, int *height)
if (x) *x = 0;
if (y) *y = 0;
*width = screenBits.bounds.right - screenBits.bounds.left ;
*height = screenBits.bounds.bottom - screenBits.bounds.top ;
if (width != NULL) {
*width = screenBits.bounds.right - screenBits.bounds.left ;
}
if (height != NULL) {
*height = screenBits.bounds.bottom - screenBits.bounds.top ;
}
SInt16 mheight ;
#if TARGET_CARBON
@@ -488,8 +501,10 @@ void wxClientDisplayRect(int *x, int *y, int *width, int *height)
#else
mheight = LMGetMBarHeight() ;
#endif
*height -= mheight ;
if ( y )
if (height != NULL) {
*height -= mheight ;
}
if (y)
*y = mheight ;
}