added IsVisible() test

[wxWidgets.git] / samples / opengl / penguin / penguin.cpp

diff --git a/samples/opengl/penguin/penguin.cpp b/samples/opengl/penguin/penguin.cpp
index b3b59e7313b8932237422375baba3e43be2f21ed..b1e573bd9bd7aa44c4ed26478c8fa21cf8de482f 100644 (file)
--- a/samples/opengl/penguin/penguin.cpp
+++ b/samples/opengl/penguin/penguin.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -25,43 +25,51 @@
 #include "wx/wx.h"
 #endif
 
-#if !wxUSE_GLCANVAS
-#error Please set wxUSE_GLCANVAS to 1 in setup.h.
-#endif
-
 #include "penguin.h"
 #ifdef __WXMAC__
-#include <glu.h>
+#  ifdef __DARWIN__
+#    include <OpenGL/glu.h>
+#  else
+#    include <glu.h>
+#  endif
 #else
-#include <GL/glu.h>
+#  include <GL/glu.h>
 #endif
 
 #define VIEW_ASPECT 1.3
 
 /* `Main program' equivalent, creating windows and returning main app frame */
-bool MyApp::OnInit(void)
+bool MyApp::OnInit()
 {
 
   /* Create the main frame window */
-  MyFrame *frame = new MyFrame(NULL, "wxWindows OpenGL Demo", wxPoint(50, 50), wxSize(400, 300));
+  MyFrame *frame = new MyFrame(NULL, wxT("wxWindows OpenGL Demo"), wxPoint(50, 50), wxSize(400, 300));
 
   /* Make a menubar */
   wxMenu *fileMenu = new wxMenu;
 
-  fileMenu->Append(wxID_EXIT, "E&xit");
+  fileMenu->Append(wxID_EXIT, wxT("E&xit"));
   wxMenuBar *menuBar = new wxMenuBar;
-  menuBar->Append(fileMenu, "&File");
+  menuBar->Append(fileMenu, wxT("&File"));
   frame->SetMenuBar(menuBar);
 
-  frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200));
+#if wxUSE_GLCANVAS
+  frame->SetCanvas( new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200), wxSUNKEN_BORDER) );
 
   /* Load file wiht mesh data */
-  frame->m_canvas->LoadLWO( "penguin.lwo" );
+  frame->GetCanvas()->LoadLWO( wxT("penguin.lwo") );
 
   /* Show the frame */
   frame->Show(TRUE);
   
   return TRUE;
+#else
+
+  wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK);
+
+  return FALSE;
+
+#endif
 }
 
 IMPLEMENT_APP(MyApp)
@@ -75,15 +83,19 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
     const wxSize& size, long style):
   wxFrame(frame, -1, title, pos, size, style)
 {
+#if wxUSE_GLCANVAS
     m_canvas = NULL;
+#endif
 }
 
 /* Intercept menu commands */
-void MyFrame::OnExit(wxCommandEvent& event)
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 {
     Destroy();
 }
 
+#if wxUSE_GLCANVAS
+
 BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
     EVT_SIZE(TestGLCanvas::OnSize)
     EVT_PAINT(TestGLCanvas::OnPaint)
@@ -104,7 +116,7 @@ TestGLCanvas::~TestGLCanvas(void)
     lw_object_free(info.lwobject);
 }
 
-void TestGLCanvas::OnPaint( wxPaintEvent& event )
+void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     /* must always be here */
     wxPaintDC dc(this);
@@ -151,12 +163,22 @@ void TestGLCanvas::OnPaint( wxPaintEvent& event )
 
 void TestGLCanvas::OnSize(wxSizeEvent& event)
 {
-    // the viewport must be initialized this way, not glViewport
     // this is also necessary to update the context on some platforms
     wxGLCanvas::OnSize(event);
+    
+    // set GL viewport (not called by wxGLCanvas::OnSize on all platforms...)
+    int w, h;
+    GetClientSize(&w, &h);
+#ifndef __WXMOTIF__
+    if (GetContext())
+#endif
+    {
+        SetCurrent();
+        glViewport(0, 0, (GLint) w, (GLint) h);
+    }
 }
 
-void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
+void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 {
     /* Do nothing, to avoid flashing on MSW */
 }
@@ -164,10 +186,10 @@ void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
 void TestGLCanvas::LoadLWO(const wxString &filename)
 {
     /* test if lightwave object */
-    if (!lw_is_lwobject(filename)) return;
+    if (!lw_is_lwobject(filename.mb_str())) return;
   
     /* read lightwave object */
-    lwObject *lwobject = lw_object_read(filename);
+    lwObject *lwobject = lw_object_read(filename.mb_str());
     
     /* scale */
     lw_object_scale(lwobject, 10.0 / lw_object_radius(lwobject));
@@ -189,17 +211,17 @@ void TestGLCanvas::OnMouse( wxMouseEvent& event )
         /* drag in progress, simulate trackball */
         float spin_quat[4];
         trackball(spin_quat,
-             (2.0*info.beginx -       sz.x) / sz.x,
-             (     sz.y - 2.0*info.beginy) / sz.y,
-             (     2.0*event.GetX() - sz.x) / sz.x,
-             (    sz.y - 2.0*event.GetY()) / sz.y);
-             
+          (2.0*info.beginx -       sz.x) / sz.x,
+          (     sz.y - 2.0*info.beginy) / sz.y,
+          (     2.0*event.GetX() - sz.x) / sz.x,
+          (    sz.y - 2.0*event.GetY()) / sz.y);
+          
         add_quats( spin_quat, info.quat, info.quat );
-       
+
         /* orientation has changed, redraw mesh */
-       Refresh(FALSE);
+    Refresh(FALSE);
     }
-    
+
     info.beginx = event.GetX();
     info.beginy = event.GetY();
 }
@@ -235,3 +257,4 @@ void TestGLCanvas::InitGL(void)
 }
 
 
+#endif