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Updated 'hotspot' positioning of windows in OS X and WIN32 to keep the hotspotted window entirely on the screen that contaings the mouse pointer (STR #1599).

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5696 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher
2007-02-13 14:36:08 +00:00
parent 8adb964b48
commit 1b6f493c55
1 changed files with 32 additions and 21 deletions
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src/Fl_Window_hotspot.cxx
+32 -21
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@@ -40,35 +40,46 @@ void Fl_Window::hotspot(int X, int Y, int offscreen) {
// If offscreen is 0 (the default), make sure that the window
// stays on the screen, if possible.
if (!offscreen) {
#if defined(WIN32) || defined(__APPLE__)
// These will be used by reference, so we must passed different variables
int bt,bx,by;
x(X);y(Y);
Fl_X::fake_X_wm(this, X, Y, bt, bx, by);
//force FL_FORCE_POSITION to be set in Fl_Window::resize()
if (X==x()) x(X-1);
#else
int scr_x, scr_y, scr_w, scr_h;
Fl::screen_xywh(scr_x, scr_y, scr_w, scr_h);
int top = 0;
int left = 0;
int right = 0;
int bottom = 0;
if (border()) {
#ifdef WIN32
if (size_range_set && (maxw != minw || maxh != minh)) {
left = right = GetSystemMetrics(SM_CXSIZEFRAME);
top = bottom = GetSystemMetrics(SM_CYSIZEFRAME);
} else {
ret = 1;
left = right = GetSystemMetrics(SM_CXFIXEDFRAME);
top = bottom = GetSystemMetrics(SM_CYFIXEDFRAME);
}
top += GetSystemMetrics(SM_CYCAPTION);
#elif defined(__APPLE__)
top = 24;
left = 2;
right = 2;
bottom = 2;
#else
// Ensure border is on screen; these values are generic enough
// to work with many window managers, and are based on KDE defaults.
const int top = 20;
const int left = 4;
const int right = 4;
const int bottom = 8;
if (X+w()+right > scr_w-scr_x) X = scr_w-scr_x-right-w();
if (X-left < scr_x) X = left;
if (Y+h()+bottom > scr_h-scr_y) Y = scr_h-scr_y-bottom-h();
if (Y-top < scr_y) Y = top;
top = 20;
left = 4;
right = 4;
bottom = 8;
#endif
}
// now insure contents are on-screen (more important than border):
if (X+w() > scr_w-scr_x) X = scr_w-scr_x-w();
if (X < scr_x) X = scr_x;
if (Y+h() > scr_h-scr_y) Y = scr_h-scr_y-h();
if (Y < scr_y) Y = scr_y;
#endif
if (X+w()+right > scr_w-scr_x) X = scr_w-scr_x-right-w();
if (X-left < scr_x) X = left;
if (Y+h()+bottom > scr_h-scr_y) Y = scr_h-scr_y-bottom-h();
if (Y-top < scr_y) Y = top;
// make sure that we will force this position
if (X==x()) x(X-1);
}
position(X,Y);