Refactoring get_system_colors() into Fl_Screen_Driver

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11164 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

2 files changed, 39 insertions, 0 deletions

diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
index 9c6ff5dfa..e34f8b998 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
@@ -19,6 +19,7 @@
 
 #include "../../config_lib.h"
 #include "Fl_Cocoa_Screen_Driver.h"
+#include <FL/Fl.H>
 #include <FL/fl_ask.h>
 #include <stdio.h>
 
@@ -145,6 +146,43 @@ int Fl_Cocoa_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar
 }
 
 
+static void set_selection_color(uchar r, uchar g, uchar b)
+{
+  Fl::set_color(FL_SELECTION_COLOR,r,g,b);
+}
+
+
+// MacOS X currently supports two color schemes - Blue and Graphite.
+// Since we aren't emulating the Aqua interface (even if Apple would
+// let us), we use some defaults that are similar to both.  The
+// Fl::scheme("plastic") color/box scheme provides a usable Aqua-like
+// look-n-feel...
+void Fl_Cocoa_Screen_Driver::get_system_colors()
+{
+  fl_open_display();
+
+  if (!bg2_set) Fl::background2(0xff, 0xff, 0xff);
+  if (!fg_set) Fl::foreground(0, 0, 0);
+  if (!bg_set) Fl::background(0xd8, 0xd8, 0xd8);
+
+#if 0
+  // this would be the correct code, but it does not run on all versions
+  // of OS X. Also, setting a bright selection color would require
+  // some updates in Fl_Adjuster and Fl_Help_Browser
+  OSStatus err;
+  RGBColor c;
+  err = GetThemeBrushAsColor(kThemeBrushPrimaryHighlightColor, 24, true, &c);
+  if (err)
+    set_selection_color(0x00, 0x00, 0x80);
+  else
+    set_selection_color(c.red, c.green, c.blue);
+#else
+  set_selection_color(0x00, 0x00, 0x80);
+#endif
+}
+
+
+
 //
 // End of "$Id$".
 //
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.h b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.h
index 02852c514..b06192205 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.h
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.h
@@ -61,6 +61,7 @@ public:
   virtual void flush();
   // --- global colors
   virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b);
+  virtual void get_system_colors();
 };