#include "cube.h"
-// `Main program' equivalent, creating windows and returning main app frame
-bool MyApp::OnInit(void)
-{
- wxLog::SetTraceMask(wxTraceMessages);
-
- // Create the main frame window
- MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo", wxPoint(50, 50), wxSize(400, 300));
-
- // Give it an icon
-#ifdef wx_msw
- frame->SetIcon(wxIcon("mondrian"));
+#ifndef __WXMSW__ // for wxStopWatch, see remark below
+#include <sys/time.h>
+#include <sys/unistd.h>
+#else
+#include <sys/timeb.h>
#endif
- // Make a menubar
- wxMenu *fileMenu = new wxMenu;
+#define ID_NEW_WINDOW 10000
+#define ID_DEF_ROTATE_LEFT_KEY 10001
+#define ID_DEF_ROTATE_RIGHT_KEY 10002
- fileMenu->Append(wxID_EXIT, "E&xit");
- wxMenuBar *menuBar = new wxMenuBar;
- menuBar->Append(fileMenu, "&File");
- frame->SetMenuBar(menuBar);
-
- frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200));
+/*----------------------------------------------------------
+ Control to get a keycode
+ ----------------------------------------------------------*/
+class ScanCodeCtrl : public wxTextCtrl
+{
+public:
+ ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code,
+ const wxPoint& pos, const wxSize& size );
+ void OnChar( wxKeyEvent& event ) { } /* do nothing */
+ void OnKeyDown(wxKeyEvent& event);
+private:
+// any class wishing to process wxWindows events must use this macro
+ DECLARE_EVENT_TABLE()
+};
+BEGIN_EVENT_TABLE( ScanCodeCtrl, wxTextCtrl )
+ EVT_CHAR( ScanCodeCtrl::OnChar )
+ EVT_KEY_DOWN( ScanCodeCtrl::OnKeyDown )
+END_EVENT_TABLE()
- // Show the frame
- frame->Show(TRUE);
-
- return TRUE;
+ScanCodeCtrl::ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code,
+ const wxPoint& pos, const wxSize& size )
+ : wxTextCtrl( parent, id, "", pos, size )
+{ wxString buf;
+ buf.Printf( "0x%04x", code );
+ SetValue( buf );
}
-IMPLEMENT_APP(MyApp)
+void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event )
+{ wxString buf;
+ buf.Printf( "0x%04x", event.KeyCode() );
+ SetValue( buf );
+}
-BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(wxID_EXIT, MyFrame::OnExit)
+/*------------------------------------------------------------------
+ Dialog for defining a keypress
+-------------------------------------------------------------------*/
+class ScanCodeDialog : public wxDialog
+{
+public:
+ ScanCodeDialog( wxWindow* parent, wxWindowID id, const int code,
+ const wxString &descr, const wxString& title );
+ int GetValue();
+private:
+ ScanCodeCtrl *m_ScanCode;
+ wxTextCtrl *m_Description;
+// any class wishing to process wxWindows events must use this macro
+ DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE( ScanCodeDialog, wxDialog )
+//
END_EVENT_TABLE()
-// My frame constructor
-MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
- const wxSize& size, long style):
- wxFrame(frame, -1, title, pos, size, style)
+/* ---------------------------------------------------------------- */
+
+ScanCodeDialog::ScanCodeDialog( wxWindow* parent, wxWindowID id,
+ const int code, const wxString &descr, const wxString& title )
+ : wxDialog( parent, id, title, wxPoint(-1, -1), wxSize(96*2,76*2) )
{
- m_canvas = NULL;
+ new wxStaticText( this, -1, "Scancode", wxPoint(4*2,3*2),
+ wxSize(31*2,12*2) );
+ m_ScanCode = new ScanCodeCtrl( this, -1, code, wxPoint(37*2,6*2),
+ wxSize(53*2,14*2) );
+
+ new wxStaticText( this, -1, "Description", wxPoint(4*2,24*2),
+ wxSize(32*2,12*2) );
+ m_Description = new wxTextCtrl( this, -1, descr, wxPoint(37*2,27*2),
+ wxSize(53*2,14*2) );
+
+ new wxButton( this, wxID_OK, "Ok", wxPoint(20*2,50*2), wxSize(20*2,13*2) );
+ new wxButton( this, wxID_CANCEL, "Cancel", wxPoint(44*2,50*2),
+ wxSize(25*2,13*2) );
}
-// Intercept menu commands
-void MyFrame::OnExit(wxCommandEvent& event)
+int ScanCodeDialog::GetValue()
{
- Destroy();
+ int code;
+ wxString buf = m_ScanCode->GetValue();
+ sscanf( buf.c_str(), "%i", &code );
+ return( code );
}
-bool MyFrame::OnClose(void)
+/*----------------------------------------------------------------------
+ Utility function to get the elapsed time (in msec) since a given point
+ in time (in sec) (because current version of wxGetElapsedTime doesn´t
+ works right with glibc-2.1 and linux, at least for me)
+-----------------------------------------------------------------------*/
+unsigned long wxStopWatch( unsigned long *sec_base )
{
- return TRUE;
+ unsigned long secs,msec;
+
+#ifndef __WXMSW__ // think every unice has gettimeofday
+ struct timeval tv;
+ gettimeofday( &tv, (struct timezone *)NULL );
+ secs = tv.tv_sec;
+ msec = tv.tv_usec/1000;
+#else
+ struct timeb tb;
+ ftime( &tb );
+ secs = tb.time;
+ msec = tb.millitm;
+#endif
+
+ if( *sec_base == 0 )
+ *sec_base = secs;
+
+ return( (secs-*sec_base)*1000 + msec );
}
+/*----------------------------------------------------------------
+ Implementation of Test-GLCanvas
+-----------------------------------------------------------------*/
+
BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
- EVT_SIZE(TestGLCanvas::OnSize)
- EVT_PAINT(TestGLCanvas::OnPaint)
- EVT_ERASE_BACKGROUND(TestGLCanvas::OnEraseBackground)
+ EVT_SIZE(TestGLCanvas::OnSize)
+ EVT_PAINT(TestGLCanvas::OnPaint)
+ EVT_ERASE_BACKGROUND(TestGLCanvas::OnEraseBackground)
+ EVT_KEY_DOWN( TestGLCanvas::OnKeyDown )
+ EVT_KEY_UP( TestGLCanvas::OnKeyUp )
+ EVT_ENTER_WINDOW( TestGLCanvas::OnEnterWindow )
END_EVENT_TABLE()
+unsigned long TestGLCanvas::m_secbase = 0;
+int TestGLCanvas::m_TimeInitialized = 0;
+unsigned long TestGLCanvas::m_xsynct;
+unsigned long TestGLCanvas::m_gsynct;
+
+
TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
- wxGLCanvas(parent, id, pos, size, style, name)
+ wxGLCanvas(parent, NULL, id, pos, size, style, name )
{
m_init = FALSE;
+ m_gllist = 0;
+ m_rleft = WXK_LEFT;
+ m_rright = WXK_RIGHT;
+}
+TestGLCanvas::TestGLCanvas(wxWindow *parent, const TestGLCanvas &other,
+ wxWindowID id, const wxPoint& pos, const wxSize& size, long style,
+ const wxString& name ) :
+ wxGLCanvas(parent, other.GetContext(), id, pos, size, style, name )
+{
+ m_init = FALSE;
+ m_gllist = other.m_gllist; /* share display list */
+ m_rleft = WXK_LEFT;
+ m_rright = WXK_RIGHT;
}
-
TestGLCanvas::~TestGLCanvas(void)
{
}
-void TestGLCanvas::OnPaint( wxPaintEvent& event )
+void TestGLCanvas::Render( void )
{
- // This is a dummy, to avoid an endless succession of paint messages.
- // OnPaint handlers must always create a wxPaintDC.
- wxPaintDC dc(this);
+ wxPaintDC dc(this);
#ifndef __WXMOTIF__
- if (!GetContext()) return;
+ if (!GetContext()) return;
#endif
-
- SetCurrent();
-
- /* init OpenGL once, but after SetCurrent */
- if (!m_init)
- {
- InitGL();
- m_init = TRUE;
- }
-
- /* clear color and depth buffers */
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
+ SetCurrent();
+ /* init OpenGL once, but after SetCurrent */
+ if (!m_init)
+ {
+ InitGL();
+ m_init = TRUE;
+ }
+ /* clear color and depth buffers */
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ if( m_gllist == 0 )
+ {
+ m_gllist = glGenLists( 1 );
+ printf( "List=%d\n", m_gllist );
+ glNewList( m_gllist, GL_COMPILE_AND_EXECUTE );
/* draw six faces of a cube */
glBegin(GL_QUADS);
glNormal3f( 0.0F, 0.0F, 1.0F);
glVertex3f(-0.5F, 0.5F, 0.5F); glVertex3f(-0.5F, 0.5F,-0.5F);
glEnd();
- SwapBuffers();
+ glEndList();
+ }
+ else
+ glCallList( m_gllist );
+
+ glFlush();
+ SwapBuffers();
+}
+
+void TestGLCanvas::OnEnterWindow( wxMouseEvent& event )
+{
+ SetFocus();
+}
+
+void TestGLCanvas::OnPaint( wxPaintEvent& event )
+{
+ Render();
}
void TestGLCanvas::OnSize(wxSizeEvent& event)
{
- int width, height;
- GetClientSize(& width, & height);
+ int width, height;
+ GetClientSize(& width, & height);
#ifndef __WXMOTIF__
- if (GetContext())
+ if (GetContext())
#endif
- {
- SetCurrent();
- glViewport(0, 0, width, height);
- }
+ {
+ SetCurrent();
+ glViewport(0, 0, width, height);
+ }
}
void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
{
- // Do nothing, to avoid flashing.
+ // Do nothing, to avoid flashing.
}
void TestGLCanvas::InitGL(void)
{
- /* set viewing projection */
- glMatrixMode(GL_PROJECTION);
- glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F);
+ SetCurrent();
+
+ /* set viewing projection */
+ glMatrixMode(GL_PROJECTION);
+ glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F);
+
+ /* position viewer */
+ glMatrixMode(GL_MODELVIEW);
+ glTranslatef(0.0F, 0.0F, -2.0F);
+
+ /* position object */
+ glRotatef(30.0F, 1.0F, 0.0F, 0.0F);
+ glRotatef(30.0F, 0.0F, 1.0F, 0.0F);
+
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+}
+
+GLfloat TestGLCanvas::CalcRotateSpeed( unsigned long acceltime )
+{
+ GLfloat t,v;
+
+ t = ((GLfloat)acceltime) / 1000.0f;
+
+ if( t < 0.5f )
+ v = t;
+ else if( t < 1.0f )
+ v = t * (2.0f - t);
+ else
+ v = 0.75f;
+
+ return(v);
+}
+GLfloat TestGLCanvas::CalcRotateAngle( unsigned long lasttime,
+ unsigned long acceltime )
+{
+ GLfloat t,s1,s2;
+
+ t = ((GLfloat)(acceltime - lasttime)) / 1000.0f;
+ s1 = CalcRotateSpeed( lasttime );
+ s2 = CalcRotateSpeed( acceltime );
+ return( t * (s1 + s2) * 135.0f );
+}
+void TestGLCanvas::Action( long code, unsigned long lasttime,
+ unsigned long acceltime )
+{
+ GLfloat angle = CalcRotateAngle( lasttime, acceltime );
+
+ if( code == m_rleft ) Rotate( angle );
+ else if( code == m_rright ) Rotate( -angle );
+}
+
+void TestGLCanvas::OnKeyDown( wxKeyEvent& event )
+{
+ long evkey = event.KeyCode();
+ if( evkey == 0 ) return;
+
+ if( !m_TimeInitialized )
+ {
+ m_TimeInitialized = 1;
+ m_xsynct = event.m_timeStamp;
+ m_gsynct = wxStopWatch(&m_secbase);
+
+ m_Key = evkey;
+ m_StartTime = 0;
+ m_LastTime = 0;
+ m_LastRedraw = 0;
+ }
+
+ unsigned long currTime = event.m_timeStamp - m_xsynct;
+
+ if( evkey != m_Key )
+ {
+ m_Key = evkey;
+ m_LastRedraw = m_StartTime = m_LastTime = currTime;
+ }
+
+ if( currTime >= m_LastRedraw ) // Redraw:
+ {
+ Action( m_Key, m_LastTime-m_StartTime, currTime-m_StartTime );
+
+ m_LastRedraw = wxStopWatch(&m_secbase) - m_gsynct;
+ m_LastTime = currTime;
+ }
+}
+
+void TestGLCanvas::OnKeyUp( wxKeyEvent& event )
+{
+ m_Key = 0;
+ m_StartTime = 0;
+ m_LastTime = 0;
+ m_LastRedraw = 0;
+}
+
+void TestGLCanvas::Rotate( GLfloat deg )
+{
+ SetCurrent();
- /* position viewer */
glMatrixMode(GL_MODELVIEW);
- glTranslatef(0.0F, 0.0F, -2.0F);
+ glRotatef((GLfloat)deg, 0.0F, 0.0F, 1.0F);
+ Refresh(FALSE);
+}
+
+
+/* -----------------------------------------------------------------------
+ Main Window
+-------------------------------------------------------------------------*/
+
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(wxID_EXIT, MyFrame::OnExit)
+ EVT_MENU( ID_NEW_WINDOW, MyFrame::OnNewWindow)
+ EVT_MENU( ID_DEF_ROTATE_LEFT_KEY, MyFrame::OnDefRotateLeftKey)
+ EVT_MENU( ID_DEF_ROTATE_RIGHT_KEY, MyFrame::OnDefRotateRightKey)
+END_EVENT_TABLE()
+
+// My frame constructor
+MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
+ const wxSize& size, long style)
+ : wxFrame(frame, -1, title, pos, size, style)
+{
+ m_canvas = NULL;
+}
+
+// Intercept menu commands
+void MyFrame::OnExit(wxCommandEvent& event)
+{
+ Destroy();
+}
+
+void MyFrame::OnNewWindow()
+{
+ MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo Clone",
+ wxPoint(50, 50), wxSize(400, 300));
+ // Give it an icon
+#ifdef wx_msw
+ frame->SetIcon(wxIcon("mondrian"));
+#endif
+
+ // Make a menubar
+ wxMenu *winMenu = new wxMenu;
+
+ winMenu->Append(wxID_EXIT, "&Close");
+ winMenu->Append(ID_NEW_WINDOW, "&New" );
+ wxMenuBar *menuBar = new wxMenuBar;
+ menuBar->Append(winMenu, "&Window");
+
+ winMenu = new wxMenu;
+ winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
+ winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
+ menuBar->Append(winMenu, "&Key");
- /* position object */
- glRotatef(30.0F, 1.0F, 0.0F, 0.0F);
- glRotatef(30.0F, 0.0F, 1.0F, 0.0F);
+ frame->SetMenuBar(menuBar);
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
+ frame->m_canvas = new TestGLCanvas( frame, *m_canvas, -1,
+ wxPoint(0, 0), wxSize(200, 200) );
+
+ // Show the frame
+ frame->Show(TRUE);
+}
+
+void MyFrame::OnDefRotateLeftKey()
+{
+ ScanCodeDialog dial( this, -1, m_canvas->m_rleft,
+ wxString("Left"), "Define key" );
+ int result = dial.ShowModal();
+ if( result == wxID_OK )
+ m_canvas->m_rleft = dial.GetValue();
+}
+void MyFrame::OnDefRotateRightKey()
+{
+ ScanCodeDialog dial( this, -1, m_canvas->m_rright,
+ wxString("Right"), "Define key" );
+ int result = dial.ShowModal();
+ if( result == wxID_OK )
+ m_canvas->m_rright = dial.GetValue();
}
+/*------------------------------------------------------------------
+ Application object ( equivalent to main() )
+------------------------------------------------------------------ */
+
+IMPLEMENT_APP(MyApp)
+
+bool MyApp::OnInit(void)
+{
+ wxLog::SetTraceMask(wxTraceMessages);
+
+ // Create the main frame window
+ MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo", wxPoint(50, 50),
+ wxSize(400, 300));
+ // Give it an icon
+#ifdef wx_msw
+ frame->SetIcon(wxIcon("mondrian"));
+#endif
+
+ // Make a menubar
+ wxMenu *winMenu = new wxMenu;
+
+ winMenu->Append(wxID_EXIT, "&Close");
+ winMenu->Append(ID_NEW_WINDOW, "&New" );
+ wxMenuBar *menuBar = new wxMenuBar;
+ menuBar->Append(winMenu, "&Window");
+
+ winMenu = new wxMenu;
+ winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
+ winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
+ menuBar->Append(winMenu, "&Key");
+
+ frame->SetMenuBar(menuBar);
+
+ frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200));
+
+ // Show the frame
+ frame->Show(TRUE);
+
+ return TRUE;
+}