-/////////////////////////////////////////////////////////////////////////////
-// Name: cube.cpp
-// Purpose: wxGLCanvas demo program
-// Author: Julian Smart
-// Modified by:
-// Created: 04/01/98
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation
-#pragma interface
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include "wx/wx.h"
-#endif
-
-#include "wx/log.h"
-
-#include "cube.h"
-
-#ifndef __WXMSW__ // for wxStopWatch, see remark below
-#include <sys/time.h>
-#include <sys/unistd.h>
-#else
-#include <sys/timeb.h>
-#endif
-
-#define ID_NEW_WINDOW 10000
-#define ID_DEF_ROTATE_LEFT_KEY 10001
-#define ID_DEF_ROTATE_RIGHT_KEY 10002
-
-/*----------------------------------------------------------
- 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()
-
-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 );
-}
-
-void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event )
-{ wxString buf;
- buf.Printf( "0x%04x", event.KeyCode() );
- SetValue( buf );
-}
-
-/*------------------------------------------------------------------
- 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;
-};
-
-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) );
-}
-
-int ScanCodeDialog::GetValue()
-{
- int code;
- wxString buf = m_ScanCode->GetValue();
- sscanf( buf.c_str(), "%i", &code );
- return( code );
-}
-
-/*----------------------------------------------------------------------
- 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 )
-{
- 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_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, 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 TestGLCanvas::Render()
-{
- wxPaintDC dc(this);
-
-#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);
- 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);
-
- 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);
-
- 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);
-
- 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);
-
- 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);
-
- 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 );
-
- 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);
-
-#ifndef __WXMOTIF__
- if (GetContext())
-#endif
- {
- SetCurrent();
- glViewport(0, 0, width, height);
- }
-}
-
-void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
-{
- // 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;
-}
projects / wxWidgets.git / blobdiff