Quartz:

- made multiple contexts for windows, popups and menus work
- still missing: double buffer handling


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@3793 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/mac.H

@@ -1,5 +1,5 @@
 //
-// "$Id: mac.H,v 1.1.2.12 2004/08/26 00:18:41 matthiaswm Exp $"
+// "$Id: mac.H,v 1.1.2.13 2004/08/27 20:02:43 matthiaswm Exp $"
 //
 // Mac header file for the Fast Light Tool Kit (FLTK).
 //
@@ -65,7 +65,6 @@ class Fl_X
 public:
   Window xid;              // Mac WindowPtr
   GWorldPtr other_xid;     // pointer for offscreen bitmaps (doublebuffer)
-  CGContextRef gc;         // Quartz: graphics context (NULL when using QD)
   Fl_Window *w;            // FLTK window for 
   Fl_Region region;
   Fl_Region subRegion;     // region for this specific subwindow
@@ -78,6 +77,11 @@ public:
   static int fake_X_wm(const Fl_Window*,int&,int&,int&,int&,int&);
   static void make(Fl_Window*);
   void flush();
+  // Quartz additions:
+  CGContextRef gc;                 // graphics context (NULL when using QD)
+  static void q_fill_context();    // fill a Quartz context with current FLTK state
+  static void q_clear_clipping();  // remove all clipping from a Quartz context
+  static void q_release_context(Fl_X *x=0); // free all resources associated with fl_gc
 };
 
 inline Window fl_xid(const Fl_Window*w) 
@@ -120,6 +124,6 @@ extern void fl_open_callback(void (*cb)(const char *));
 extern FL_EXPORT int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
 
 //
-// End of "$Id: mac.H,v 1.1.2.12 2004/08/26 00:18:41 matthiaswm Exp $".
+// End of "$Id: mac.H,v 1.1.2.13 2004/08/27 20:02:43 matthiaswm Exp $".
 //
 

src/Fl.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl.cxx,v 1.24.2.41.2.64 2004/08/26 00:18:42 matthiaswm Exp $"
+// "$Id: Fl.cxx,v 1.24.2.41.2.65 2004/08/27 20:02:44 matthiaswm Exp $"
 //
 // Main event handling code for the Fast Light Tool Kit (FLTK).
 //
@@ -798,6 +798,7 @@ void Fl_Window::hide() {
     fl_window = 0;
 #elif defined(__APPLE_QUARTZ__)
 # warning quartz
+  Fl_X::q_release_context(ip);
   if ( ip->xid == fl_window )
     fl_window = 0;
 #else
@@ -1027,5 +1028,5 @@ void Fl_Window::flush() {
 }
 
 //
-// End of "$Id: Fl.cxx,v 1.24.2.41.2.64 2004/08/26 00:18:42 matthiaswm Exp $".
+// End of "$Id: Fl.cxx,v 1.24.2.41.2.65 2004/08/27 20:02:44 matthiaswm Exp $".
 //

src/Fl_mac.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_mac.cxx,v 1.1.2.60 2004/08/26 22:24:23 matthiaswm Exp $"
+// "$Id: Fl_mac.cxx,v 1.1.2.61 2004/08/27 20:02:44 matthiaswm Exp $"
 //
 // MacOS specific code for the Fast Light Tool Kit (FLTK).
 //
@@ -1820,6 +1820,9 @@ void Fl_Window::resize(int X,int Y,int W,int H) {
  */
 void Fl_Window::make_current() 
 {
+#ifdef __APPLE_QUARTZ__
+  Fl_X::q_release_context();
+#endif
   if ( !fl_window_region )
     fl_window_region = NewRgn();
   fl_window = i->xid;
@@ -1857,14 +1860,13 @@ void Fl_Window::make_current()
 #ifdef __APPLE_QUARTZ__
 #warning : bracket all the QD stuff above with ifdefs!
 #warning : verbose copy of patch; please check code
+#if 0
   Rect portRect;
   GetPortBounds(GetWindowPort(i->xid), &portRect);
   short port_height = portRect.bottom - portRect.top;
   if (!i->gc) {
     //CreateCGContextForPort(GetWindowPort(i->xid), &i->gc);
     QDBeginCGContext(GetWindowPort(i->xid), &i->gc);
-#warning : line capping should not be set. Check AA settings to make this work
-    CGContextSetLineCap(i->gc, kCGLineCapSquare);
     // save the unclipped state for later
     CGContextSaveGState(i->gc);
     // translate coordinate system to coorespond with fltk's.
@@ -1874,10 +1876,55 @@ void Fl_Window::make_current()
     CGContextSetTextMatrix(i->gc, font_mx);
   }
   fl_gc = i->gc;
+#else
+  QDBeginCGContext(GetWindowPort(i->xid), &i->gc);
+  fl_gc = i->gc;
+  CGContextSaveGState(fl_gc);
+  Fl_X::q_fill_context();
+#endif
 #endif
   return;
 }
 
+// helper function to manage the current CGContext fl_gc
+#ifdef __APPLE_QUARTZ__
+extern Fl_Color fl_color_;
+extern class Fl_FontSize *fl_fontsize;
+extern void fl_font(class Fl_FontSize*);
+
+// FLTK has only on global graphics state. This function copies the FLTK state into the
+// current Quartz context
+void Fl_X::q_fill_context() {
+  if (!fl_gc) return;
+  Rect portRect; 
+  GetPortBounds(GetWindowPort( fl_window ), &portRect);
+  CGContextTranslateCTM(fl_gc, 0.5, portRect.bottom-portRect.top-0.5f);
+  CGContextScaleCTM(fl_gc, 1.0f, -1.0f);
+  static CGAffineTransform font_mx = { 1, 0, 0, -1, 0, 0 };
+  CGContextSetTextMatrix(fl_gc, font_mx);
+  fl_font(fl_fontsize);
+  fl_color(fl_color_);
+}
+
+// The only way to reste clipping to its original state is to pop the current graphics
+// state and restore the global state.
+void Fl_X::q_clear_clipping() {
+  if (!fl_gc) return;
+  CGContextRestoreGState(fl_gc);
+  CGContextSaveGState(fl_gc);
+}
+
+// Give the Quartz context back to the system
+void Fl_X::q_release_context(Fl_X *x) {
+  if (x && x->gc!=fl_gc) return;
+  if (!fl_gc) return;
+  CGContextRestoreGState(fl_gc);
+  QDEndCGContext(GetWindowPort(fl_window), &fl_gc);
+  fl_gc = 0;
+}
+
+#endif
+
 ////////////////////////////////////////////////////////////////
 // Cut & paste.
 
@@ -1950,6 +1997,6 @@ void Fl::paste(Fl_Widget &receiver, int clipboard) {
 
 
 //
-// End of "$Id: Fl_mac.cxx,v 1.1.2.60 2004/08/26 22:24:23 matthiaswm Exp $".
+// End of "$Id: Fl_mac.cxx,v 1.1.2.61 2004/08/27 20:02:44 matthiaswm Exp $".
 //
 

src/fl_color_mac.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: fl_color_mac.cxx,v 1.1.2.8 2004/08/26 00:18:43 matthiaswm Exp $"
+// "$Id: fl_color_mac.cxx,v 1.1.2.9 2004/08/27 20:02:44 matthiaswm Exp $"
 //
 // MacOS color functions for the Fast Light Tool Kit (FLTK).
 //
@@ -71,6 +71,7 @@ void fl_color(Fl_Color i) {
   rgb.blue  = (b<<8)|b;
   RGBForeColor(&rgb);
 #elif defined(__APPLE_QUARTZ__)
+  if (!fl_gc) return; // no context yet? We will assign the color later.
   float fr = r/255.0f;
   float fg = g/255.0f;
   float fb = b/255.0f;
@@ -107,5 +108,5 @@ void Fl::set_color(Fl_Color i, unsigned c) {
 }
 
 //
-// End of "$Id: fl_color_mac.cxx,v 1.1.2.8 2004/08/26 00:18:43 matthiaswm Exp $".
+// End of "$Id: fl_color_mac.cxx,v 1.1.2.9 2004/08/27 20:02:44 matthiaswm Exp $".
 //

src/fl_font_mac.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: fl_font_mac.cxx,v 1.1.2.18 2004/08/26 06:18:12 matthiaswm Exp $"
+// "$Id: fl_font_mac.cxx,v 1.1.2.19 2004/08/27 20:02:45 matthiaswm Exp $"
 //
 // MacOS font selection routines for the Fast Light Tool Kit (FLTK).
 //
@@ -131,6 +131,7 @@ void fl_font(Fl_FontSize* s) {
   }
 #elif defined(__APPLE_QUARTZ__)
   if (!s) return;
+  if (!fl_gc) return; // no worries, we will assign the font to the context later
   CGContextSelectFont(fl_gc, s->q_name, (float)s->size, kCGEncodingMacRoman);
 #else
 # error : need to defined either Quartz or Quickdraw
@@ -225,5 +226,5 @@ void fl_draw(const char* str, int n, int x, int y) {
 
 
 //
-// End of "$Id: fl_font_mac.cxx,v 1.1.2.18 2004/08/26 06:18:12 matthiaswm Exp $".
+// End of "$Id: fl_font_mac.cxx,v 1.1.2.19 2004/08/27 20:02:45 matthiaswm Exp $".
 //

src/fl_rect.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: fl_rect.cxx,v 1.10.2.4.2.15 2004/08/26 22:24:24 matthiaswm Exp $"
+// "$Id: fl_rect.cxx,v 1.10.2.4.2.16 2004/08/27 20:02:45 matthiaswm Exp $"
 //
 // Rectangle drawing routines for the Fast Light Tool Kit (FLTK).
 //
@@ -429,9 +429,6 @@ extern Fl_Region fl_window_region;
 #elif defined(__APPLE_QUARTZ__)
 #warning quartz
 extern Fl_Region fl_window_region;
-extern Fl_Color fl_color_;
-extern class Fl_FontSize *fl_fontsize;
-extern void fl_font(class Fl_FontSize*);
 #endif
 
 // undo any clobbering of clip done by your program:
@@ -472,17 +469,9 @@ void fl_restore_clip() {
       if ( r )
         SectRgn( portClip, r, portClip );
       Rect portRect; GetPortBounds(port, &portRect);
-      // remove all clipping
+      Fl_X::q_clear_clipping();
-#     warning : Quartz will now destroy all font, color and line settings
-      CGContextRestoreGState(fl_gc);
-      // get rid of the following call for performance reasons
       ClipCGContextToRegion(fl_gc, &portRect, portClip );
-      // restore settings lost by "Restore"
+      Fl_X::q_fill_context();
-      CGContextSaveGState(fl_gc);
-      CGContextTranslateCTM(fl_gc, 0.5, portRect.bottom-portRect.top-0.5f);
-      CGContextScaleCTM(fl_gc, 1.0f, -1.0f);
-      fl_font(fl_fontsize);
-      fl_color(fl_color_);
       DisposeRgn( portClip );
     }
   }
@@ -662,5 +651,5 @@ int fl_clip_box(int x, int y, int w, int h, int& X, int& Y, int& W, int& H){
 }
 
 //
-// End of "$Id: fl_rect.cxx,v 1.10.2.4.2.15 2004/08/26 22:24:24 matthiaswm Exp $".
+// End of "$Id: fl_rect.cxx,v 1.10.2.4.2.16 2004/08/27 20:02:45 matthiaswm Exp $".
 //