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Changed the OS X hotspot code to make window positioning avoid the

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Dock and the top menubar in the main screen. It also avoids positioning
across the borders of two screens.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@3912 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher 2004-11-22 23:32:11 +00:00
parent 6849c43a05
commit 9c56ff8b18
1 changed files with 54 additions and 3 deletions
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57
src/Fl_Window_hotspot.cxx
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@ -1,5 +1,5 @@
//
// "$Id: Fl_Window_hotspot.cxx,v 1.7.2.3.2.6 2004/04/11 04:38:58 easysw Exp $"
// "$Id: Fl_Window_hotspot.cxx,v 1.7.2.3.2.7 2004/11/22 23:32:11 matthiaswm Exp $"
//
// Common hotspot routines for the Fast Light Tool Kit (FLTK).
//
@ -26,6 +26,7 @@
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/x.H>
#include <stdio.h>
void Fl_Window::hotspot(int X, int Y, int offscreen) {
int mx,my;
@ -37,13 +38,63 @@ 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__)
#if defined(WIN32)
// 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);
#elif defined(__APPLE__)
// let's get a little elaborate here. Mac OS X puts a lot of stuff on the desk
// that we want to avoid when positioning our window, namely the Dock and the
// top menu bar (and even more stuff in 10.4 Tiger). So we will go through the
// list of all available screens and find the one that this window is most
// likely to go to, and then reposition it to fit withing the 'good' area.
Rect r;
// find the screen, that the center of this window will fall into
int R = X+w(), B = Y+h(); // right and bottom
int cx = (X+R)/2, cy = (Y+B)/2; // center of window;
GDHandle gd = GetDeviceList();
while (gd) {
GDPtr gp = *gd;
if ( cx >= gp->gdRect.left && cx <= gp->gdRect.right
&& cy >= gp->gdRect.top && cy <= gp->gdRect.bottom)
break;
gd = GetNextDevice(gd);
}
// if the center doesn't fall on a screen, try the top left
if (!gd) {
gd = GetDeviceList();
while (gd) {
GDPtr gp = *gd;
if ( X >= gp->gdRect.left && X <= gp->gdRect.right
&& Y >= gp->gdRect.top && Y <= gp->gdRect.bottom)
break;
gd = GetNextDevice(gd);
}
}
// last resort, try the bottom right
if (!gd) {
gd = GetDeviceList();
while (gd) {
GDPtr gp = *gd;
if ( R >= gp->gdRect.left && R <= gp->gdRect.right
&& B >= gp->gdRect.top && B <= gp->gdRect.bottom)
break;
gd = GetNextDevice(gd);
}
}
// if we still have not found a screen, we will use the main
// screen, the one that has the application menu bar.
if (!gd) gd = GetMainDevice();
if (gd) {
GetAvailableWindowPositioningBounds(gd, &r);
if ( R > r.right-4 ) X -= R - (r.right-4);
if ( B > r.bottom-4 ) Y -= B - (r.bottom-4);
if ( X < r.left+4 ) X = r.left+4;
if ( Y < r.top+24 ) Y = r.top+24;
}
#else
if (border()) {
// Ensure border is on screen; these values are generic enough
@ -80,5 +131,5 @@ void Fl_Window::hotspot(const Fl_Widget *o, int offscreen) {
//
// End of "$Id: Fl_Window_hotspot.cxx,v 1.7.2.3.2.6 2004/04/11 04:38:58 easysw Exp $".
// End of "$Id: Fl_Window_hotspot.cxx,v 1.7.2.3.2.7 2004/11/22 23:32:11 matthiaswm Exp $".
//