Support for full screen over multiple monitors.

The API follows that of EWMH, which gives you a good control
over which monitors to use.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10189 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

2 files changed, 34 insertions, 4 deletions

diff --git a/FL/Fl_Window.H b/FL/Fl_Window.H
index d6997e601..a9fa82e24 100644
--- a/FL/Fl_Window.H
+++ b/FL/Fl_Window.H
@@ -49,7 +49,7 @@ class Fl_X;
 class FL_EXPORT Fl_Window : public Fl_Group {
 
   static char *default_xclass_;
-  // Note: we must use separate statements for each of the following 4 variables,
+  // Note: we must use separate statements for each of the following 8 variables,
   // with the static attribute, otherwise MS VC++ 2008/2010 complains :-(
   // AlbrechtS 04/2012
 #if FLTK_ABI_VERSION < 10301
@@ -68,6 +68,22 @@ class FL_EXPORT Fl_Window : public Fl_Group {
   static // when these members are static, ABI compatibility with 1.3.0 is respected
 #endif
   int no_fullscreen_h;
+#if FLTK_ABI_VERSION < 10303
+  static // when these members are static, ABI compatibility with 1.3.2 is respected
+#endif
+  int fullscreen_screen_top;
+#if FLTK_ABI_VERSION < 10303
+  static // when these members are static, ABI compatibility with 1.3.2 is respected
+#endif
+  int fullscreen_screen_bottom;
+#if FLTK_ABI_VERSION < 10303
+  static // when these members are static, ABI compatibility with 1.3.2 is respected
+#endif
+  int fullscreen_screen_left;
+#if FLTK_ABI_VERSION < 10303
+  static // when these members are static, ABI compatibility with 1.3.2 is respected
+#endif
+  int fullscreen_screen_right;
 
   friend class Fl_X;
   Fl_X *i; // points at the system-specific stuff
@@ -402,13 +418,15 @@ public:
   */
   void show(int argc, char **argv);
   /**
-    Makes the window completely fill the screen, without any window
-    manager border visible.  You must use fullscreen_off() to undo
-    this. 
+    Makes the window completely fill one or more screens, without any
+    window manager border visible.  You must use fullscreen_off() to
+    undo this. 
 
     \note On some platforms, this can result in the keyboard being
     grabbed. The window may also be recreated, meaning hide() and
     show() will be called.
+
+    \see void Fl_Window::fullscreen_screens()
   */
   void fullscreen();
   /**
@@ -425,6 +443,17 @@ public:
   */
   unsigned int fullscreen_active() const { return flags() & FULLSCREEN; }
   /**
+    Sets which screens should be used when this window is in fullscreen
+    mode. The window will be resized to the top of the screen with index
+    \p top, the bottom of the screen with index \p bottom, etc. 
+
+    If this method is never called, or if any argument is < 0, then the
+    window will be resized to fill the screen it is currently on.
+
+    \see void Fl_Window::fullscreen()
+    */
+  void fullscreen_screens(int top, int bottom, int left, int right);
+  /**
     Iconifies the window.  If you call this when shown() is false
     it will show() it as an icon.  If the window is already
     iconified this does nothing.
diff --git a/FL/win32.H b/FL/win32.H
index dec7cebbf..b6cd0edfd 100644
--- a/FL/win32.H
+++ b/FL/win32.H
@@ -79,6 +79,7 @@ public:
   static Fl_X* i(const Fl_Window* w) {return w->i;}
   static int fake_X_wm(const Fl_Window* w,int &X, int &Y,
 		                 int &bt,int &bx,int &by);
+  void make_fullscreen(int X, int Y, int W, int H);
   void setwindow(Fl_Window* wi) {w=wi; wi->i=this;}
   void flush() {w->flush();}
   void set_minmax(LPMINMAXINFO minmax);