Move private_dc from Fl_X for WIN32 platform to Fl_WinAPI_Window_Driver.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11664 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/win32.H

@@ -53,7 +53,6 @@ public:
   Fl_Window* w;
   Fl_Region region;
   Fl_X *next;
-  HDC private_dc; // used for OpenGL
   // static variables, static functions and member functions
   static Fl_X* first;
   static Fl_X* i(const Fl_Window* w) {return (Fl_X*)w->i;}

src/Fl_Gl_Choice.cxx

@@ -29,6 +29,7 @@
 #  include <FL/fl_utf8.h>
 
 #if defined(WIN32)
+#include "drivers/WinAPI/Fl_WinAPI_Window_Driver.H"
 #elif defined(__APPLE__) // PORTME: platform OpenGL management
 #include "drivers/Cocoa/Fl_Cocoa_Screen_Driver.H"
 #elif defined(FL_PORTING)
@@ -227,9 +228,9 @@ GLContext fl_create_gl_context(XVisualInfo* vis) {
 
 GLContext fl_create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer) {
   Fl_X* i = Fl_X::i(window);
-  HDC hdc = i->private_dc;
+  HDC hdc = Fl_WinAPI_Window_Driver::driver(window)->private_dc;
   if (!hdc) {
-    hdc = i->private_dc = GetDCEx(i->xid, 0, DCX_CACHE);
+    hdc = Fl_WinAPI_Window_Driver::driver(window)->private_dc = GetDCEx(i->xid, 0, DCX_CACHE);
     fl_save_dc(i->xid, hdc);
     SetPixelFormat(hdc, g->pixelformat, (PIXELFORMATDESCRIPTOR*)(&g->pfd));
 #    if USE_COLORMAP
@@ -273,7 +274,7 @@ void fl_set_gl_context(Fl_Window* w, GLContext context) {
 #  if defined(USE_X11)
     glXMakeCurrent(fl_display, fl_xid(w), context);
 #  elif defined(WIN32)
-    wglMakeCurrent(Fl_X::i(w)->private_dc, context);
+    wglMakeCurrent(Fl_WinAPI_Window_Driver::driver(w)->private_dc, context);
 #  elif defined(__APPLE__) // PORTME: platform OpenGL management
     Fl_Cocoa_Screen_Driver::GLcontext_makecurrent(context);
 #  else

src/Fl_Gl_Overlay.cxx

@@ -25,7 +25,9 @@
 #include <FL/Fl_Gl_Window.H>
 #include <stdlib.h>
 
-#if defined(WIN32) || defined(__APPLE__) // PORTME: platform OpenGL management
+#if defined(WIN32) // PORTME: platform OpenGL management
+#include "drivers/WinAPI/Fl_WinAPI_Window_Driver.H"
+#elif defined(__APPLE__)
 #elif defined(FL_PORTING)
 #  pragma message "FL_PORTING: implement OpenGL hardware overlays if they are availbale in a compatible way. This is rarely needed."
 #else
@@ -148,7 +150,7 @@ void Fl_Gl_Window::make_overlay() {
   GLContext context = fl_create_gl_context(this, g, 1);
   if (!context) {overlay = this; return;} // fake the overlay
 
-  HDC hdc = Fl_X::i(this)->private_dc;
+  HDC hdc = Fl_WinAPI_Window_Driver::driver(this)->private_dc;
   overlay = context;
   LAYERPLANEDESCRIPTOR pfd;
   wglDescribeLayerPlane(hdc, g->pixelformat, 1, sizeof(pfd), &pfd);

src/Fl_Gl_Window.cxx

@@ -32,6 +32,8 @@ extern int fl_gl_load_plugin;
 #include <OpenGL/OpenGL.h>
 #include "drivers/Cocoa/Fl_Cocoa_Window_Driver.H"
 #include "drivers/Cocoa/Fl_Cocoa_Screen_Driver.H"
+#elif defined(WIN32)
+#include "drivers/WinAPI/Fl_WinAPI_Window_Driver.H"
 #endif
 #include <FL/Fl_Gl_Window.H>
 #include <FL/Fl_Device.H>
@@ -257,10 +259,10 @@ void Fl_Gl_Window::swap_buffers() {
 #elif defined(WIN32)
 #  if HAVE_GL_OVERLAY
   // Do not swap the overlay, to match GLX:
-  BOOL ret = wglSwapLayerBuffers(Fl_X::i(this)->private_dc, WGL_SWAP_MAIN_PLANE);
+  BOOL ret = wglSwapLayerBuffers(Fl_WinAPI_Window_Driver::driver(this)->private_dc, WGL_SWAP_MAIN_PLANE);
   DWORD err = GetLastError();;
 #  else
-  SwapBuffers(Fl_X::i(this)->private_dc);
+  SwapBuffers(Fl_WinAPI_Window_Driver::driver(this)->private_dc);
 #  endif
 #elif defined(__APPLE_QUARTZ__) // PORTME: platform OpenGL management
   if(overlay != NULL) {
@@ -322,14 +324,14 @@ void Fl_Gl_Window::flush() {
       && (damage()&(FL_DAMAGE_OVERLAY|FL_DAMAGE_EXPOSE) || !save_valid)) {
     fl_set_gl_context(this, (GLContext)overlay);
     if (fl_overlay_depth)
-      wglRealizeLayerPalette(Fl_X::i(this)->private_dc, 1, TRUE);
+      wglRealizeLayerPalette(Fl_WinAPI_Window_Driver::driver(this)->private_dc, 1, TRUE);
     glDisable(GL_SCISSOR_TEST);
     glClear(GL_COLOR_BUFFER_BIT);
     fl_overlay = 1;
     draw_overlay();
     fl_overlay = 0;
     valid_f_ = save_valid_f;
-    wglSwapLayerBuffers(Fl_X::i(this)->private_dc, WGL_SWAP_OVERLAY1);
+    wglSwapLayerBuffers(Fl_WinAPI_Window_Driver::driver(this)->private_dc, WGL_SWAP_OVERLAY1);
     // if only the overlay was damaged we are done, leave main layer alone:
     if (damage() == FL_DAMAGE_OVERLAY) {
       return;

src/Fl_win32.cxx

@@ -1801,7 +1801,7 @@ Fl_X* Fl_WinAPI_Window_Driver::makeWindow() {
   x->w = w;
   i(x);
   x->region = 0;
-  x->private_dc = 0;
+  Fl_WinAPI_Window_Driver::driver(w)->private_dc = 0;
   cursor = LoadCursor(NULL, IDC_ARROW);
   custom_cursor = 0;
   if (!fl_codepage) fl_get_codepage();

src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H

@@ -69,6 +69,7 @@ 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();}
+  HDC private_dc; // used for OpenGL
 
   struct icon_data *icon_;
   HCURSOR cursor;

src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx

@@ -431,7 +431,7 @@ void Fl_WinAPI_Window_Driver::hide() {
   fl_clipboard_notify_retarget(ip->xid);
   // Send a message to myself so that I'll get out of the event loop...
   PostMessage(ip->xid, WM_APP, 0, 0);
-  if (ip->private_dc) fl_release_dc(ip->xid, ip->private_dc);
+  if (private_dc) fl_release_dc(ip->xid, private_dc);
   if (ip->xid == fl_window && fl_graphics_driver->gc()) {
     fl_release_dc(fl_window, (HDC)fl_graphics_driver->gc());
     fl_window = (HWND)-1;