X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/be5a51fb592f3fa2ba38ac6cd1e488d6d806058c..0b1b2c71e3ee5d3d5533b99447fc4e7e64540fb5:/samples/opengl/cube/cube.cpp diff --git a/samples/opengl/cube/cube.cpp b/samples/opengl/cube/cube.cpp index 19a3bfa236..74cd1bf7eb 100644 --- a/samples/opengl/cube/cube.cpp +++ b/samples/opengl/cube/cube.cpp @@ -1,18 +1,21 @@ -///////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// // Name: cube.cpp // Purpose: wxGLCanvas demo program // Author: Julian Smart -// Modified by: +// Modified by: Vadim Zeitlin to use new wxGLCanvas API (2007-04-09) // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart // Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(__APPLE__) -#pragma implementation -#pragma interface -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -25,534 +28,382 @@ #include "wx/wx.h" #endif +#if !wxUSE_GLCANVAS + #error "OpenGL required: set wxUSE_GLCANVAS to 1 and rebuild the library" +#endif + #include "cube.h" -#ifndef __WXMSW__ // for wxStopWatch, see remark below - #if defined(__WXMAC__) && !defined(__DARWIN__) - #include - #include - #else - #include - #include - #endif -#else -#include +#if !defined(__WXMSW__) && !defined(__WXPM__) + #include "../../sample.xpm" #endif -#define ID_NEW_WINDOW 10000 -#define ID_DEF_ROTATE_LEFT_KEY 10001 -#define ID_DEF_ROTATE_RIGHT_KEY 10002 +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- -/*---------------------------------------------------------- - Control to get a keycode - ----------------------------------------------------------*/ -class ScanCodeCtrl : public wxTextCtrl +static void CheckGLError() { -public: - ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code, - const wxPoint& pos, const wxSize& size ); + GLenum errLast = GL_NO_ERROR; - void OnChar( wxKeyEvent& WXUNUSED(event) ) + for ( ;; ) { - // Do nothing + GLenum err = glGetError(); + if ( err == GL_NO_ERROR ) + return; + + // normally the error is reset by the call to glGetError() but if + // glGetError() itself returns an error, we risk looping forever here + // so check that we get a different error than the last time + if ( err == errLast ) + { + wxLogError(_T("OpenGL error state couldn't be reset.")); + return; + } + + errLast = err; + + wxLogError(_T("OpenGL error %d"), err); } +} - void OnKeyDown(wxKeyEvent& event); - -private: - - // Any class wishing to process wxWidgets events must use this macro - DECLARE_EVENT_TABLE() -}; +// function to draw the texture for cube faces +static wxImage DrawDice(int size, unsigned num) +{ + wxASSERT_MSG( num >= 1 && num <= 6, _T("invalid dice index") ); -BEGIN_EVENT_TABLE( ScanCodeCtrl, wxTextCtrl ) - EVT_CHAR( ScanCodeCtrl::OnChar ) - EVT_KEY_DOWN( ScanCodeCtrl::OnKeyDown ) -END_EVENT_TABLE() + const int dot = size/16; // radius of a single dot + const int gap = 5*size/32; // gap between dots -ScanCodeCtrl::ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code, - const wxPoint& pos, const wxSize& size ) - : wxTextCtrl( parent, id, wxEmptyString, pos, size ) -{ - SetValue( wxString::Format(wxT("0x%04x"), code) ); -} + wxBitmap bmp(size, size); + wxMemoryDC dc; + dc.SelectObject(bmp); + dc.SetBackground(*wxWHITE_BRUSH); + dc.Clear(); + dc.SetBrush(*wxBLACK_BRUSH); -void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event ) -{ - SetValue( wxString::Format(wxT("0x%04x"), event.GetKeyCode()) ); -} + // the upper left and lower right points + if ( num != 1 ) + { + dc.DrawCircle(gap + dot, gap + dot, dot); + dc.DrawCircle(size - gap - dot, size - gap - dot, dot); + } -/*------------------------------------------------------------------ - Dialog for defining a keypress --------------------------------------------------------------------*/ + // draw the central point for odd dices + if ( num % 2 ) + { + dc.DrawCircle(size/2, size/2, dot); + } -class ScanCodeDialog : public wxDialog -{ -public: - ScanCodeDialog( wxWindow* parent, wxWindowID id, const int code, - const wxString &descr, const wxString& title ); - int GetValue(); + // the upper right and lower left points + if ( num > 3 ) + { + dc.DrawCircle(size - gap - dot, gap + dot, dot); + dc.DrawCircle(gap + dot, size - gap - dot, dot); + } -private: + // finally those 2 are only for the last dice + if ( num == 6 ) + { + dc.DrawCircle(gap + dot, size/2, dot); + dc.DrawCircle(size - gap - dot, size/2, dot); + } - ScanCodeCtrl *m_ScanCode; - wxTextCtrl *m_Description; -}; + dc.SelectObject(wxNullBitmap); -ScanCodeDialog::ScanCodeDialog( wxWindow* parent, wxWindowID id, - const int code, const wxString &descr, const wxString& title ) - : wxDialog( parent, id, title, wxDefaultPosition, wxSize(96*2,76*2) ) -{ - new wxStaticText( this, wxID_ANY, _T("Scancode"), wxPoint(4*2,3*2), - wxSize(31*2,12*2) ); - m_ScanCode = new ScanCodeCtrl( this, wxID_ANY, code, wxPoint(37*2,6*2), - wxSize(53*2,14*2) ); - - new wxStaticText( this, wxID_ANY, _T("Description"), wxPoint(4*2,24*2), - wxSize(32*2,12*2) ); - m_Description = new wxTextCtrl( this, wxID_ANY, descr, wxPoint(37*2,27*2), - wxSize(53*2,14*2) ); - - new wxButton( this, wxID_OK, _T("Ok"), wxPoint(20*2,50*2), wxSize(20*2,13*2) ); - new wxButton( this, wxID_CANCEL, _T("Cancel"), wxPoint(44*2,50*2), - wxSize(25*2,13*2) ); + return bmp.ConvertToImage(); } -int ScanCodeDialog::GetValue() -{ - int code; - wxString buf = m_ScanCode->GetValue(); - wxSscanf( buf.c_str(), _T("%i"), &code ); - return code; -} +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// TestGLContext +// ---------------------------------------------------------------------------- -/*---------------------------------------------------------------------- - 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 ) +TestGLContext::TestGLContext(wxGLCanvas *canvas) + : wxGLContext(canvas) { - unsigned long secs,msec; - -#if defined(__WXMSW__) - struct timeb tb; - ftime( &tb ); - secs = tb.time; - msec = tb.millitm; -#elif defined(__WXMAC__) && !defined(__DARWIN__) - wxLongLong tl = wxGetLocalTimeMillis(); - secs = (unsigned long) (tl.GetValue() / 1000); - msec = (unsigned long) (tl.GetValue() - secs*1000); -#else - // think every unice has gettimeofday - struct timeval tv; - gettimeofday( &tv, (struct timezone *)NULL ); - secs = tv.tv_sec; - msec = tv.tv_usec/1000; -#endif + SetCurrent(*canvas); - if( *sec_base == 0 ) - *sec_base = secs; + // set up the parameters we want to use + glEnable(GL_DEPTH_TEST); + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + glEnable(GL_TEXTURE_2D); - return( (secs-*sec_base)*1000 + msec ); -} + // add slightly more light, the default lighting is rather dark + GLfloat ambient[] = { 0.5, 0.5, 0.5, 0.5 }; + glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); -/*---------------------------------------------------------------- - Implementation of Test-GLCanvas ------------------------------------------------------------------*/ + // set viewing projection + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f); -#if wxUSE_GLCANVAS + // create the textures to use for cube sides: they will be reused by all + // canvases (which is probably not critical in the case of simple textures + // we use here but could be really important for a real application where + // each texture could take many megabytes) + glGenTextures(WXSIZEOF(m_textures), m_textures); -BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas) - 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() + for ( unsigned i = 0; i < WXSIZEOF(m_textures); i++ ) + { + glBindTexture(GL_TEXTURE_2D, m_textures[i]); -unsigned long TestGLCanvas::m_secbase = 0; -int TestGLCanvas::m_TimeInitialized = 0; -unsigned long TestGLCanvas::m_xsynct; -unsigned long TestGLCanvas::m_gsynct; + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); -TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, long style, const wxString& name) - : wxGLCanvas(parent, (wxGLCanvas*) NULL, id, pos, size, style, name ) -{ - m_init = false; - m_gllist = 0; - m_rleft = WXK_LEFT; - m_rright = WXK_RIGHT; -} + const wxImage img(DrawDice(256, i + 1)); -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; -} + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, img.GetWidth(), img.GetHeight(), + 0, GL_RGB, GL_UNSIGNED_BYTE, img.GetData()); + } -TestGLCanvas::~TestGLCanvas() -{ + CheckGLError(); } -void TestGLCanvas::Render() +void TestGLContext::DrawRotatedCube(float xangle, float yangle) { - wxPaintDC dc(this); - -#ifndef __WXMOTIF__ - if (!GetContext()) return; -#endif - - SetCurrent(); - // Init OpenGL once, but after SetCurrent - if (!m_init) - { - InitGL(); - m_init = true; - } + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f); glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef(0.0f, 0.0f, -2.0f); + glRotatef(xangle, 1.0f, 0.0f, 0.0f); + glRotatef(yangle, 0.0f, 1.0f, 0.0f); - /* clear color and depth buffers */ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - if( m_gllist == 0 ) - { - m_gllist = glGenLists( 1 ); - glNewList( m_gllist, GL_COMPILE_AND_EXECUTE ); - /* draw six faces of a cube */ - glBegin(GL_QUADS); + // draw six faces of a cube of size 1 centered at (0, 0, 0) + glBindTexture(GL_TEXTURE_2D, m_textures[0]); + glBegin(GL_QUADS); glNormal3f( 0.0f, 0.0f, 1.0f); - glVertex3f( 0.5f, 0.5f, 0.5f); glVertex3f(-0.5f, 0.5f, 0.5f); - glVertex3f(-0.5f,-0.5f, 0.5f); glVertex3f( 0.5f,-0.5f, 0.5f); - + glTexCoord2f(0, 0); glVertex3f( 0.5f, 0.5f, 0.5f); + glTexCoord2f(1, 0); glVertex3f(-0.5f, 0.5f, 0.5f); + glTexCoord2f(1, 1); glVertex3f(-0.5f,-0.5f, 0.5f); + glTexCoord2f(0, 1); glVertex3f( 0.5f,-0.5f, 0.5f); + glEnd(); + + glBindTexture(GL_TEXTURE_2D, m_textures[1]); + glBegin(GL_QUADS); glNormal3f( 0.0f, 0.0f,-1.0f); - glVertex3f(-0.5f,-0.5f,-0.5f); glVertex3f(-0.5f, 0.5f,-0.5f); - glVertex3f( 0.5f, 0.5f,-0.5f); glVertex3f( 0.5f,-0.5f,-0.5f); - + glTexCoord2f(0, 0); glVertex3f(-0.5f,-0.5f,-0.5f); + glTexCoord2f(1, 0); glVertex3f(-0.5f, 0.5f,-0.5f); + glTexCoord2f(1, 1); glVertex3f( 0.5f, 0.5f,-0.5f); + glTexCoord2f(0, 1); glVertex3f( 0.5f,-0.5f,-0.5f); + glEnd(); + + glBindTexture(GL_TEXTURE_2D, m_textures[2]); + glBegin(GL_QUADS); glNormal3f( 0.0f, 1.0f, 0.0f); - glVertex3f( 0.5f, 0.5f, 0.5f); glVertex3f( 0.5f, 0.5f,-0.5f); - glVertex3f(-0.5f, 0.5f,-0.5f); glVertex3f(-0.5f, 0.5f, 0.5f); - + glTexCoord2f(0, 0); glVertex3f( 0.5f, 0.5f, 0.5f); + glTexCoord2f(1, 0); glVertex3f( 0.5f, 0.5f,-0.5f); + glTexCoord2f(1, 1); glVertex3f(-0.5f, 0.5f,-0.5f); + glTexCoord2f(0, 1); glVertex3f(-0.5f, 0.5f, 0.5f); + glEnd(); + + glBindTexture(GL_TEXTURE_2D, m_textures[3]); + glBegin(GL_QUADS); glNormal3f( 0.0f,-1.0f, 0.0f); - glVertex3f(-0.5f,-0.5f,-0.5f); glVertex3f( 0.5f,-0.5f,-0.5f); - glVertex3f( 0.5f,-0.5f, 0.5f); glVertex3f(-0.5f,-0.5f, 0.5f); - + glTexCoord2f(0, 0); glVertex3f(-0.5f,-0.5f,-0.5f); + glTexCoord2f(1, 0); glVertex3f( 0.5f,-0.5f,-0.5f); + glTexCoord2f(1, 1); glVertex3f( 0.5f,-0.5f, 0.5f); + glTexCoord2f(0, 1); glVertex3f(-0.5f,-0.5f, 0.5f); + glEnd(); + + glBindTexture(GL_TEXTURE_2D, m_textures[4]); + glBegin(GL_QUADS); glNormal3f( 1.0f, 0.0f, 0.0f); - glVertex3f( 0.5f, 0.5f, 0.5f); glVertex3f( 0.5f,-0.5f, 0.5f); - glVertex3f( 0.5f,-0.5f,-0.5f); glVertex3f( 0.5f, 0.5f,-0.5f); - + glTexCoord2f(0, 0); glVertex3f( 0.5f, 0.5f, 0.5f); + glTexCoord2f(1, 0); glVertex3f( 0.5f,-0.5f, 0.5f); + glTexCoord2f(1, 1); glVertex3f( 0.5f,-0.5f,-0.5f); + glTexCoord2f(0, 1); glVertex3f( 0.5f, 0.5f,-0.5f); + glEnd(); + + glBindTexture(GL_TEXTURE_2D, m_textures[5]); + glBegin(GL_QUADS); glNormal3f(-1.0f, 0.0f, 0.0f); - glVertex3f(-0.5f,-0.5f,-0.5f); glVertex3f(-0.5f,-0.5f, 0.5f); - glVertex3f(-0.5f, 0.5f, 0.5f); glVertex3f(-0.5f, 0.5f,-0.5f); - glEnd(); - - glEndList(); - } - else - { - glCallList(m_gllist); - } + glTexCoord2f(0, 0); glVertex3f(-0.5f,-0.5f,-0.5f); + glTexCoord2f(1, 0); glVertex3f(-0.5f,-0.5f, 0.5f); + glTexCoord2f(1, 1); glVertex3f(-0.5f, 0.5f, 0.5f); + glTexCoord2f(0, 1); glVertex3f(-0.5f, 0.5f,-0.5f); + glEnd(); glFlush(); - SwapBuffers(); -} -void TestGLCanvas::OnEnterWindow( wxMouseEvent& WXUNUSED(event) ) -{ - SetFocus(); + CheckGLError(); } -void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) ) -{ - Render(); -} -void TestGLCanvas::OnSize(wxSizeEvent& event) -{ - // 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); - } -} +// ---------------------------------------------------------------------------- +// MyApp: the application object +// ---------------------------------------------------------------------------- -void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) -{ - // Do nothing, to avoid flashing. -} +IMPLEMENT_APP(MyApp) -void TestGLCanvas::InitGL() +bool MyApp::OnInit() { - SetCurrent(); + if ( !wxApp::OnInit() ) + return false; - /* set viewing projection */ - glMatrixMode(GL_PROJECTION); - glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f); + new MyFrame(); - /* position viewer */ - glMatrixMode(GL_MODELVIEW); - glTranslatef(0.0f, 0.0f, -2.0f); + return true; +} - /* position object */ - glRotatef(30.0f, 1.0f, 0.0f, 0.0f); - glRotatef(30.0f, 0.0f, 1.0f, 0.0f); +int MyApp::OnExit() +{ + delete m_glContext; - glEnable(GL_DEPTH_TEST); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); + return wxApp::OnExit(); } -GLfloat TestGLCanvas::CalcRotateSpeed( unsigned long acceltime ) +TestGLContext& MyApp::GetContext(wxGLCanvas *canvas) { - GLfloat t,v; - - t = ((GLfloat)acceltime) / 1000.0f; + if ( !m_glContext ) + { + // Create the OpenGL context for the first window which needs it: + // subsequently created windows will all share the same context. + m_glContext = new TestGLContext(canvas); + } - if( t < 0.5f ) - v = t; - else if( t < 1.0f ) - v = t * (2.0f - t); - else - v = 0.75f; + m_glContext->SetCurrent(*canvas); - return(v); + return *m_glContext; } -GLfloat TestGLCanvas::CalcRotateAngle( unsigned long lasttime, - unsigned long acceltime ) -{ - GLfloat t,s1,s2; +// ---------------------------------------------------------------------------- +// TestGLCanvas +// ---------------------------------------------------------------------------- - t = ((GLfloat)(acceltime - lasttime)) / 1000.0f; - s1 = CalcRotateSpeed( lasttime ); - s2 = CalcRotateSpeed( acceltime ); +BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas) + EVT_PAINT(TestGLCanvas::OnPaint) + EVT_KEY_DOWN(TestGLCanvas::OnKeyDown) +END_EVENT_TABLE() - return( t * (s1 + s2) * 135.0f ); +TestGLCanvas::TestGLCanvas(wxWindow *parent) + // With perspective OpenGL graphics, the wxFULL_REPAINT_ON_RESIZE style + // flag should always be set, because even making the canvas smaller should + // be followed by a paint event that updates the entire canvas with new + // viewport settings. + : wxGLCanvas(parent, wxID_ANY, NULL /* attribs */, + wxDefaultPosition, wxDefaultSize, + wxFULL_REPAINT_ON_RESIZE) +{ + m_xangle = + m_yangle = 30; } -void TestGLCanvas::Action( long code, unsigned long lasttime, - unsigned long acceltime ) +void TestGLCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) { - GLfloat angle = CalcRotateAngle( lasttime, acceltime ); + // This is required even though dc is not used otherwise. + wxPaintDC dc(this); + + // Set the OpenGL viewport according to the client size of this canvas. + // This is done here rather than in a wxSizeEvent handler because our + // OpenGL rendering context (and thus viewport setting) is used with + // multiple canvases: If we updated the viewport in the wxSizeEvent + // handler, changing the size of one canvas causes a viewport setting that + // is wrong when next another canvas is repainted. + const wxSize ClientSize = GetClientSize(); + + glViewport(0, 0, ClientSize.x, ClientSize.y); - if (code == m_rleft) - Rotate( angle ); - else if (code == m_rright) - Rotate( -angle ); + // Render the graphics and swap the buffers. + wxGetApp().GetContext(this).DrawRotatedCube(m_xangle, m_yangle); + SwapBuffers(); } void TestGLCanvas::OnKeyDown( wxKeyEvent& event ) { - long evkey = event.GetKeyCode(); - 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; - } + float *p = NULL; - unsigned long currTime = event.m_timeStamp - m_xsynct; + bool inverse = false; - if (evkey != m_Key) + switch ( event.GetKeyCode() ) { - m_Key = evkey; - m_LastRedraw = m_StartTime = m_LastTime = currTime; + case WXK_RIGHT: + inverse = true; + // fall through + + case WXK_LEFT: + // rotate around Y axis + p = &m_yangle; + break; + + case WXK_DOWN: + inverse = true; + // fall through + + case WXK_UP: + // rotate around X axis + p = &m_xangle; + break; + + default: + event.Skip(); + return; } - if (currTime >= m_LastRedraw) // Redraw: - { - Action( m_Key, m_LastTime-m_StartTime, currTime-m_StartTime ); - -#if defined(__WXMAC__) && !defined(__DARWIN__) - m_LastRedraw = currTime; // wxStopWatch() doesn't work on Mac... -#else - m_LastRedraw = wxStopWatch(&m_secbase) - m_gsynct; -#endif - m_LastTime = currTime; - } + float angle = 5; + if ( inverse ) + angle = -angle; - event.Skip(); -} - -void TestGLCanvas::OnKeyUp( wxKeyEvent& event ) -{ - m_Key = 0; - m_StartTime = 0; - m_LastTime = 0; - m_LastRedraw = 0; - - event.Skip(); -} + *p += angle; -void TestGLCanvas::Rotate( GLfloat deg ) -{ - SetCurrent(); - - glMatrixMode(GL_MODELVIEW); - glRotatef((GLfloat)deg, 0.0f, 0.0f, 1.0f); Refresh(false); } -#endif // wxUSE_GLCANVAS - -/* ----------------------------------------------------------------------- - Main Window --------------------------------------------------------------------------*/ +// ---------------------------------------------------------------------------- +// MyFrame: main application 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) + EVT_MENU(wxID_NEW, MyFrame::OnNewWindow) + EVT_MENU(wxID_CLOSE, MyFrame::OnClose) END_EVENT_TABLE() -// My frame constructor -MyFrame::MyFrame(wxWindow *parent, const wxString& title, const wxPoint& pos, - const wxSize& size, long style) - : wxFrame(parent, wxID_ANY, title, pos, size, style) +MyFrame::MyFrame() + : wxFrame(NULL, wxID_ANY, _T("wxWidgets OpenGL Cube Sample")) { - m_canvas = NULL; -} + new TestGLCanvas(this); -// Intercept menu commands -void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) ) -{ - // true is to force the frame to close - Close(true); -} - -/*static*/ MyFrame *MyFrame::Create(MyFrame *parentFrame, bool isCloneWindow) -{ - wxString str = wxT("wxWidgets OpenGL Cube Sample"); - if (isCloneWindow) str += wxT(" - Clone"); - - MyFrame *frame = new MyFrame(NULL, str, wxDefaultPosition, - wxSize(400, 300)); - - // Give it an icon -#ifdef __WXMSW__ - frame->SetIcon(wxIcon(_T("mondrian"))); -#endif + SetIcon(wxICON(sample)); // Make a menubar - wxMenu *winMenu = new wxMenu; - - winMenu->Append(wxID_EXIT, _T("&Close")); - winMenu->Append(ID_NEW_WINDOW, _T("&New") ); + wxMenu *menu = new wxMenu; + menu->Append(wxID_NEW); + menu->AppendSeparator(); + menu->Append(wxID_CLOSE); wxMenuBar *menuBar = new wxMenuBar; - menuBar->Append(winMenu, _T("&Window")); - - winMenu = new wxMenu; - winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, _T("Rotate &left")); - winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, _T("Rotate &right")); - menuBar->Append(winMenu, _T("&Key")); + menuBar->Append(menu, _T("&Cube")); - frame->SetMenuBar(menuBar); + SetMenuBar(menuBar); -#if wxUSE_GLCANVAS - if (parentFrame) - { - frame->m_canvas = new TestGLCanvas( frame, parentFrame->m_canvas, - wxID_ANY, wxDefaultPosition, wxDefaultSize ); - } - else - { - frame->m_canvas = new TestGLCanvas(frame, wxID_ANY, - wxDefaultPosition, wxDefaultSize); - } -#endif + CreateStatusBar(); - // Show the frame - frame->Show(true); + SetClientSize(400, 400); + Show(); - return frame; + // test IsDisplaySupported() function: + static const int attribs[] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, 0 }; + wxLogStatus("Double-buffered display %s supported", + wxGLCanvas::IsDisplaySupported(attribs) ? "is" : "not"); } -void MyFrame::OnNewWindow( wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnClose(wxCommandEvent& WXUNUSED(event)) { - (void) Create(this, true); + // true is to force the frame to close + Close(true); } -void MyFrame::OnDefRotateLeftKey( wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnNewWindow( wxCommandEvent& WXUNUSED(event) ) { -#if wxUSE_GLCANVAS - ScanCodeDialog dial( this, wxID_ANY, m_canvas->m_rleft, - wxString(_T("Left")), _T("Define key") ); - - int result = dial.ShowModal(); - - if( result == wxID_OK ) - m_canvas->m_rleft = dial.GetValue(); -#endif + new MyFrame(); } -void MyFrame::OnDefRotateRightKey( wxCommandEvent& WXUNUSED(event) ) -{ -#if wxUSE_GLCANVAS - ScanCodeDialog dial( this, wxID_ANY, m_canvas->m_rright, - wxString(_T("Right")), _T("Define key") ); - - int result = dial.ShowModal(); - - if( result == wxID_OK ) - m_canvas->m_rright = dial.GetValue(); -#endif -} - -/*------------------------------------------------------------------ - Application object ( equivalent to main() ) ------------------------------------------------------------------- */ - -IMPLEMENT_APP(MyApp) - -bool MyApp::OnInit() -{ -#if wxUSE_LOG - wxLog::SetTraceMask(wxTraceMessages); -#endif - - // Create the main frame window - (void) MyFrame::Create(NULL); - -#if wxUSE_GLCANVAS - - return true; - -#else - - wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), - _T("Building error"), wxOK); - - return false; - -#endif - -}