Rewrite Fl_Menu_Window class under the driver model.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11441 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Window_Driver.H

@@ -72,14 +72,6 @@ public:
   int shown() const { return pWindow->shown(); }
   /** returns the parent of the window. */
   Fl_Group *parent() const { return pWindow->parent(); }
-  /** for an Fl_Overlay_Window, returns the value of its overlay_ member variable */
-  Fl_Window *overlay() {
-    return pWindow->as_overlay_window() ? pWindow->as_overlay_window()->overlay_ : NULL;
-  }
-  /** for an Fl_Overlay_Window, sets the value of its overlay_ member variable */
-  void overlay(Fl_Window *o) {
-    if (pWindow->as_overlay_window()) pWindow->as_overlay_window()->overlay_ = o;
-  }
 
   // --- accessors to private window data
   int minw();
@@ -94,6 +86,15 @@ public:
   void force_position(int c);
   void x(int X);
   void y(int Y);
+  void current(Fl_Window *c);
+  /** for an Fl_Overlay_Window, returns the value of its overlay_ member variable */
+  Fl_Window *overlay() {
+    return pWindow->as_overlay_window() ? pWindow->as_overlay_window()->overlay_ : NULL;
+  }
+  /** for an Fl_Overlay_Window, sets the value of its overlay_ member variable */
+  void overlay(Fl_Window *o) {
+    if (pWindow->as_overlay_window()) pWindow->as_overlay_window()->overlay_ = o;
+  }
 
   // --- window data
   virtual int decorated_w() = 0;
@@ -104,6 +105,8 @@ public:
   virtual void flush_double();
   virtual void flush_overlay();
   virtual void flush_single();
+  virtual void flush_menu();
+  virtual void erase_menu() {}
   virtual void draw_begin();
   virtual void draw_end();
   void draw();

src/Fl_Menu_Window.cxx

@@ -23,52 +23,21 @@
 // which are used so that clicks outside the program's windows
 // can be used to dismiss the menus.
 
-#include <config.h>
-#include <FL/Fl.H>
-#include <FL/fl_draw.H>
 #include <FL/Fl_Menu_Window.H>
 #include <FL/Fl_Window_Driver.H>
 
-// WIN32 note: HAVE_OVERLAY is false
-#if HAVE_OVERLAY
-#include <FL/x.H>
-extern XVisualInfo *fl_overlay_visual;
-extern uchar fl_overlay; // changes how fl_color(x) works
-#endif
-
-#include <stdio.h>
-
 void Fl_Menu_Window::show() {
   driver()->show_menu();
 }
 
 void Fl_Menu_Window::flush() {
   if (!shown()) return;
-#if HAVE_OVERLAY
-  if (!fl_overlay_visual || !overlay()) {Fl_Single_Window::flush(); return;}
-  Fl_X *myi = Fl_X::i(this);
-  fl_window = myi->xid;
-# if defined(FLTK_USE_CAIRO)
-    // capture gc changes automatically to update the cairo context adequately
-    if(Fl::autolink_context()) Fl::cairo_make_current(fl_graphics_driver->gc());
-# endif
-  fl_overlay = 1;
-  fl_clip_region(myi->region); myi->region = 0; current_ = this;
-  draw();
-  fl_overlay = 0;
-#else
-  Fl_Single_Window::flush();
-#endif
+  driver()->flush_menu();
 }
 
-/** Erases the window, does nothing if HAVE_OVERLAY is not defined config.h */
+/** Erases the window, does nothing if HAVE_OVERLAY is not defined in config.h */
 void Fl_Menu_Window::erase() {
-#if HAVE_OVERLAY
-  if (!shown()) return;
-//XSetForeground(fl_display, gc, 0);
-//XFillRectangle(fl_display, fl_xid(this), gc, 0, 0, w(), h());
-  XClearWindow(fl_display, fl_xid(this));
-#endif
+  driver()->erase_menu();
 }
 
 // Fix the colormap flashing on Maximum Impact Graphics by erasing the

src/Fl_Window_Driver.cxx

@@ -49,12 +49,16 @@ int Fl_Window_Driver::fullscreen_screen_top() {return pWindow->fullscreen_screen
 int Fl_Window_Driver::fullscreen_screen_bottom() {return pWindow->fullscreen_screen_bottom;}
 int Fl_Window_Driver::fullscreen_screen_left() {return pWindow->fullscreen_screen_left;}
 int Fl_Window_Driver::fullscreen_screen_right() {return pWindow->fullscreen_screen_right;}
+void Fl_Window_Driver::current(Fl_Window *c) {pWindow->current_ = c;}
+
 
 
 unsigned char Fl_Window_Driver::size_range_set() {return pWindow->size_range_set;}
 
 void Fl_Window_Driver::flush_single() { pWindow->Fl_Window::flush(); }
 
+void Fl_Window_Driver::flush_menu() { pWindow->Fl_Window::flush(); }
+
 void Fl_Window_Driver::draw() { pWindow->draw(); }
 
 void Fl_Window_Driver::make_current() { }

src/drivers/X11/Fl_X11_Window_Driver.H

@@ -84,6 +84,8 @@ public:
   virtual void take_focus();
   virtual void flush_double();
   virtual void flush_overlay();
+  virtual void flush_menu();
+  virtual void erase_menu();
   virtual void draw_begin();
   virtual void make_current();
   virtual void show();

src/drivers/X11/Fl_X11_Window_Driver.cxx

@@ -633,6 +633,30 @@ void Fl_X11_Window_Driver::redraw_overlay() {
   Fl_Window_Driver::redraw_overlay();
 }
 
+void Fl_X11_Window_Driver::flush_menu() {
+#if HAVE_OVERLAY
+   if (!fl_overlay_visual || !overlay()) {flush_single(); return;}
+   Fl_X *myi = Fl_X::i(pWindow);
+   fl_window = myi->xid;
+# if defined(FLTK_USE_CAIRO)
+   // capture gc changes automatically to update the cairo context adequately
+   if(Fl::autolink_context()) Fl::cairo_make_current(fl_graphics_driver->gc());
+# endif
+   fl_overlay = 1;
+   fl_clip_region(myi->region); myi->region = 0; current(pWindow);
+   draw();
+   fl_overlay = 0;
+#else
+   flush_single();
+#endif
+}
+
+void Fl_X11_Window_Driver::erase_menu() {
+#if HAVE_OVERLAY
+  if (pWindow->shown())  XClearWindow(fl_display, fl_xid(pWindow));
+#endif
+}
+
 //
 // End of "$Id$".
 //