Add static Fl_XXX_Window_Driver *driver(Fl_Window*) to get the platform-specific driver of a window.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11663 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

5 files changed, 6 insertions, 3 deletions

diff --git a/src/drivers/Cocoa/Fl_Cocoa_Printer_Driver.mm b/src/drivers/Cocoa/Fl_Cocoa_Printer_Driver.mm
index 2003f2d46..9ff5090cd 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Printer_Driver.mm
+++ b/src/drivers/Cocoa/Fl_Cocoa_Printer_Driver.mm
@@ -373,7 +373,7 @@ void Fl_Cocoa_Printer_Driver::print_window_part(Fl_Window *win, int x, int y, in
   Fl_Window *save_front = Fl::first_window();
   win->show();
   Fl::check();
-  CGImageRef img = ((Fl_Cocoa_Window_Driver*)win->driver())->CGImage_from_window_rect(x, y, w, h);
+  CGImageRef img = Fl_Cocoa_Window_Driver::driver(win)->CGImage_from_window_rect(x, y, w, h);
   if (save_front != win) save_front->show();
   current->set_current();
   ((Fl_Quartz_Graphics_Driver*)driver())->draw_CGImage(img,delta_x, delta_y, w, h, 0,0,w,h);
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
index 1506fbbc4..e54f45750 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
@@ -168,7 +168,7 @@ void Fl_Cocoa_Screen_Driver::grab(Fl_Window* win)
   if (win) {
     if (!Fl::grab_) {
       fl_capture = Fl_X::i(Fl::first_window())->xid;
-      ((Fl_Cocoa_Window_Driver*)Fl::first_window()->driver())->set_key_window();
+      Fl_Cocoa_Window_Driver::driver(Fl::first_window())->set_key_window();
     }
     Fl::grab_ = win;
   } else {
@@ -339,7 +339,7 @@ Fl_Cocoa_Screen_Driver::read_image(uchar *p,		// I - Pixel buffer or NULL to all
     if( (sw - x < w) || (sh - y < h) )  return NULL;
   }
   else { // reading from current window
-    Fl_Cocoa_Window_Driver *d = (Fl_Cocoa_Window_Driver*)Fl_Window::current()->driver();
+    Fl_Cocoa_Window_Driver *d = Fl_Cocoa_Window_Driver::driver(Fl_Window::current());
     base = d->bitmap_from_window_rect(x,y,w,h,&delta);
     if (!base) return NULL;
     rowBytes = delta*w;
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
index bd1071716..dba1021f8 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
@@ -75,6 +75,7 @@ private:
 public:
   Fl_Cocoa_Window_Driver(Fl_Window*);
   ~Fl_Cocoa_Window_Driver();
+  static inline Fl_Cocoa_Window_Driver* driver(Fl_Window *w) {return (Fl_Cocoa_Window_Driver*)w->driver();}
   CGContextRef gc;                 // graphics context
   NSCursor *cursor;
   static void q_release_context(Fl_Cocoa_Window_Driver *x = 0); // free all resources associated with gc
diff --git a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
index a286bcec0..775b40f9b 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
+++ b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
@@ -68,6 +68,7 @@ private:
 public:
   Fl_WinAPI_Window_Driver(Fl_Window*);
   ~Fl_WinAPI_Window_Driver();
+  static inline Fl_WinAPI_Window_Driver* driver(Fl_Window *w) {return (Fl_WinAPI_Window_Driver*)w->driver();}
 
   struct icon_data *icon_;
   HCURSOR cursor;
diff --git a/src/drivers/X11/Fl_X11_Window_Driver.H b/src/drivers/X11/Fl_X11_Window_Driver.H
index d49d0e9e7..79efc22ec 100644
--- a/src/drivers/X11/Fl_X11_Window_Driver.H
+++ b/src/drivers/X11/Fl_X11_Window_Driver.H
@@ -78,6 +78,7 @@ private:
 public:
   Fl_X11_Window_Driver(Fl_Window*);
   virtual ~Fl_X11_Window_Driver();
+  static inline Fl_X11_Window_Driver* driver(Fl_Window *w) {return (Fl_X11_Window_Driver*)w->driver();}
 
   // --- window data
   virtual int decorated_w();