fixed client area origin handling in wxGTK

[wxWidgets.git] / src / msw / glcanvas.cpp

diff --git a/src/msw/glcanvas.cpp b/src/msw/glcanvas.cpp
index 360e36c8765312d1975efd2480b94aab43c9f9ba..64399277301854daa6c7d55a313cbc1c3c5c835f 100644 (file)
--- a/src/msw/glcanvas.cpp
+++ b/src/msw/glcanvas.cpp
@@ -334,30 +334,8 @@ bool wxGLCanvas::Create(wxWindow *parent, wxWindowID id,
   return TRUE;
 }
 
-void wxGLCanvas::SetupPixelFormat(int *attribList) // (HDC hDC)
+static void AdjustPFDForAttributes(PIXELFORMATDESCRIPTOR& pfd, int *attribList)
 {
-  int pixelFormat;
-  PIXELFORMATDESCRIPTOR pfd = {
-               sizeof(PIXELFORMATDESCRIPTOR),  /* size */
-               1,                              /* version */
-               PFD_SUPPORT_OPENGL |
-               PFD_DRAW_TO_WINDOW |
-               PFD_DOUBLEBUFFER,               /* support double-buffering */
-               PFD_TYPE_RGBA,                  /* color type */
-               16,                             /* prefered color depth */
-               0, 0, 0, 0, 0, 0,               /* color bits (ignored) */
-               0,                              /* no alpha buffer */
-               0,                              /* alpha bits (ignored) */
-               0,                              /* no accumulation buffer */
-               0, 0, 0, 0,                     /* accum bits (ignored) */
-               16,                             /* depth buffer */
-               0,                              /* no stencil buffer */
-               0,                              /* no auxiliary buffers */
-               PFD_MAIN_PLANE,                 /* main layer */
-               0,                              /* reserved */
-               0, 0, 0,                        /* no layer, visible, damage masks */
-       };
-
   if (attribList) {
     pfd.dwFlags &= ~PFD_DOUBLEBUFFER;
     pfd.iPixelType = PFD_TYPE_COLORINDEX;
@@ -430,17 +408,42 @@ void wxGLCanvas::SetupPixelFormat(int *attribList) // (HDC hDC)
       }
     }
   }
+}
+
+void wxGLCanvas::SetupPixelFormat(int *attribList) // (HDC hDC)
+{
+  int pixelFormat;
+  PIXELFORMATDESCRIPTOR pfd = {
+               sizeof(PIXELFORMATDESCRIPTOR),  /* size */
+               1,                              /* version */
+               PFD_SUPPORT_OPENGL |
+               PFD_DRAW_TO_WINDOW |
+               PFD_DOUBLEBUFFER,               /* support double-buffering */
+               PFD_TYPE_RGBA,                  /* color type */
+               16,                             /* prefered color depth */
+               0, 0, 0, 0, 0, 0,               /* color bits (ignored) */
+               0,                              /* no alpha buffer */
+               0,                              /* alpha bits (ignored) */
+               0,                              /* no accumulation buffer */
+               0, 0, 0, 0,                     /* accum bits (ignored) */
+               16,                             /* depth buffer */
+               0,                              /* no stencil buffer */
+               0,                              /* no auxiliary buffers */
+               PFD_MAIN_PLANE,                 /* main layer */
+               0,                              /* reserved */
+               0, 0, 0,                        /* no layer, visible, damage masks */
+       };
+
+  AdjustPFDForAttributes(pfd, attribList);
+
   pixelFormat = ChoosePixelFormat((HDC) m_hDC, &pfd);
   if (pixelFormat == 0) {
-    MessageBox(WindowFromDC((HDC) m_hDC), wxT("ChoosePixelFormat failed."), wxT("Error"),
-               MB_ICONERROR | MB_OK);
-    exit(1);
+    wxLogWarning(_("ChoosePixelFormat failed."));
   }
-
-  if (SetPixelFormat((HDC) m_hDC, pixelFormat, &pfd) != TRUE) {
-    MessageBox(WindowFromDC((HDC) m_hDC), wxT("SetPixelFormat failed."), wxT("Error"),
-               MB_ICONERROR | MB_OK);
-    exit(1);
+  else {
+    if (SetPixelFormat((HDC) m_hDC, pixelFormat, &pfd) != TRUE) {
+      wxLogWarning(_("SetPixelFormat failed."));
+    }
   }
 }
 
@@ -713,5 +716,53 @@ void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height)
 {
 }
 
+
+//---------------------------------------------------------------------------
+// wxGLApp
+//---------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGLApp, wxApp)
+
+bool wxGLApp::InitGLVisual(int *attribList)
+{
+  int pixelFormat;
+  PIXELFORMATDESCRIPTOR pfd = {
+               sizeof(PIXELFORMATDESCRIPTOR),  /* size */
+               1,                              /* version */
+               PFD_SUPPORT_OPENGL |
+               PFD_DRAW_TO_WINDOW |
+               PFD_DOUBLEBUFFER,               /* support double-buffering */
+               PFD_TYPE_RGBA,                  /* color type */
+               16,                             /* prefered color depth */
+               0, 0, 0, 0, 0, 0,               /* color bits (ignored) */
+               0,                              /* no alpha buffer */
+               0,                              /* alpha bits (ignored) */
+               0,                              /* no accumulation buffer */
+               0, 0, 0, 0,                     /* accum bits (ignored) */
+               16,                             /* depth buffer */
+               0,                              /* no stencil buffer */
+               0,                              /* no auxiliary buffers */
+               PFD_MAIN_PLANE,                 /* main layer */
+               0,                              /* reserved */
+               0, 0, 0,                        /* no layer, visible, damage masks */
+       };
+
+  AdjustPFDForAttributes(pfd, attribList);
+
+  // use DC for whole (root) screen, since no windows have yet been created
+  pixelFormat = ChoosePixelFormat((HDC) ::GetDC(NULL), &pfd);
+
+  if (pixelFormat == 0) {
+    wxLogError(_("Failed to initialize OpenGL"));
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+wxGLApp::~wxGLApp()
+{
+}
+
 #endif
     // wxUSE_GLCANVAS