X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aae24d21a33faa2a23fccde24255365ca845c46f..2912e35f1774b140b44cb9f9568aa5ab8122cd02:/utils/glcanvas/samples/cube/cube.cpp diff --git a/utils/glcanvas/samples/cube/cube.cpp b/utils/glcanvas/samples/cube/cube.cpp index 675cdaba73..be5d196b33 100644 --- a/utils/glcanvas/samples/cube/cube.cpp +++ b/utils/glcanvas/samples/cube/cube.cpp @@ -29,111 +29,186 @@ #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 +#include +#else +#include #endif - // Make a menubar - wxMenu *fileMenu = new wxMenu; - - fileMenu->Append(wxID_EXIT, "E&xit"); - wxMenuBar *menuBar = new wxMenuBar; - menuBar->Append(fileMenu, "&File"); - frame->SetMenuBar(menuBar); +#define ID_NEW_WINDOW 10000 +#define ID_DEF_ROTATE_LEFT_KEY 10001 +#define ID_DEF_ROTATE_RIGHT_KEY 10002 - frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200)); - -// InitGL(); - - // Show the frame - frame->Show(TRUE); - - return TRUE; -} - -void MyApp::InitGL(void) +/*---------------------------------------------------------- + Control to get a keycode + ----------------------------------------------------------*/ +class ScanCodeCtrl : public wxTextCtrl { - /* 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); +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() - glEnable(GL_DEPTH_TEST); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); +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) -END_EVENT_TABLE() +/*------------------------------------------------------------------ + Dialog for defining a keypress +-------------------------------------------------------------------*/ -// 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) +class ScanCodeDialog : public wxDialog { - m_canvas = NULL; +public: + ScanCodeDialog( wxWindow* parent, wxWindowID id, const int code, + const wxString &descr, const wxString& title ); + int GetValue(); +private: + ScanCodeCtrl *m_ScanCode; + wxTextCtrl *m_Description; +}; + +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) ) +{ + 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(void) +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; } -void TestGLCanvas::OnPaint( wxPaintEvent& event ) +TestGLCanvas::~TestGLCanvas() +{ +} + +void TestGLCanvas::Render() { - // This is a dummy, to avoid an endless succession of paint messages. - // OnPaint handlers must always create a wxPaintDC. wxPaintDC dc(this); - if ( !GetContext() ) - return; +#ifndef __WXMOTIF__ + 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); + if( m_gllist == 0 ) + { + m_gllist = glGenLists( 1 ); + glNewList( m_gllist, GL_COMPILE_AND_EXECUTE ); /* draw six faces of a cube */ glBegin(GL_QUADS); glNormal3f( 0.0F, 0.0F, 1.0F); @@ -161,7 +236,23 @@ void TestGLCanvas::OnPaint( wxPaintEvent& event ) 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) @@ -169,7 +260,9 @@ void TestGLCanvas::OnSize(wxSizeEvent& event) int width, height; GetClientSize(& width, & height); +#ifndef __WXMOTIF__ if (GetContext()) +#endif { SetCurrent(); glViewport(0, 0, width, height); @@ -178,6 +271,235 @@ void TestGLCanvas::OnSize(wxSizeEvent& event) void TestGLCanvas::OnEraseBackground(wxEraseEvent& event) { - // Do nothing, to avoid flashing. + // Do nothing, to avoid flashing. +} + +void TestGLCanvas::InitGL() +{ + 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; + } + + event.Skip(); +} + +void TestGLCanvas::OnKeyUp( wxKeyEvent& event ) +{ + m_Key = 0; + m_StartTime = 0; + m_LastTime = 0; + m_LastRedraw = 0; + + event.Skip(); +} + +void TestGLCanvas::Rotate( GLfloat deg ) +{ + SetCurrent(); + + glMatrixMode(GL_MODELVIEW); + 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"); + + frame->SetMenuBar(menuBar); + + 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; +}