X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43b2cccb4b6578afa43b25f4dd15d3d29d89bafd..babc97583e1280ac0992ca8e3dbd7604e2d3963b:/utils/glcanvas/gtk/glcanvas.cpp diff --git a/utils/glcanvas/gtk/glcanvas.cpp b/utils/glcanvas/gtk/glcanvas.cpp deleted file mode 100644 index 68552f1b16..0000000000 --- a/utils/glcanvas/gtk/glcanvas.cpp +++ /dev/null @@ -1,424 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp -// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK -// Author: Robert Roebling -// Modified by: -// Created: 17/08/98 -// RCS-ID: $Id$ -// Copyright: (c) Robert Roebling -// Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// - -#ifdef __GNUG__ -#pragma implementation "glcanvas.h" -#endif - -#include "glcanvas.h" - -#include "wx/frame.h" -#include "wx/colour.h" -#include "wx/module.h" -#include "wx/app.h" - -extern "C" { -#include "gtk/gtk.h" -#include "gdk/gdk.h" -#include "gdk/gdkx.h" -} - -#include "wx/gtk/win_gtk.h" - -//--------------------------------------------------------------------------- -// global data -//--------------------------------------------------------------------------- - -XVisualInfo *g_vi = (XVisualInfo*) NULL; - -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; - -//--------------------------------------------------------------------------- -// wxGLContext -//--------------------------------------------------------------------------- - -IMPLEMENT_CLASS(wxGLContext,wxObject) - -wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, const wxPalette& WXUNUSED(palette) ) -{ - m_window = win; - m_widget = win->m_wxwindow; - - wxGLCanvas *gc = (wxGLCanvas*) win; - XVisualInfo *vi = (XVisualInfo *) gc->m_vi; - - wxCHECK_RET( vi, "invalid visual for OpenGl" ); - - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); -} - -wxGLContext::wxGLContext( - bool WXUNUSED(isRGB), wxWindow *win, - const wxPalette& WXUNUSED(palette), - const wxGLContext *other /* for sharing display lists */ -) -{ - m_window = win; - m_widget = win->m_wxwindow; - - wxGLCanvas *gc = (wxGLCanvas*) win; - XVisualInfo *vi = (XVisualInfo *) gc->m_vi; - - wxCHECK_RET( vi, "invalid visual for OpenGl" ); - - if( other != 0 ) - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, other->m_glContext, GL_TRUE ); - else - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); -} - -wxGLContext::~wxGLContext() -{ - if (!m_glContext) return; - - if (m_glContext == glXGetCurrentContext()) - { - glXMakeCurrent( GDK_DISPLAY(), None, NULL); - } - - glXDestroyContext( GDK_DISPLAY(), m_glContext ); -} - -void wxGLContext::SwapBuffers() -{ - if (m_glContext) - { - GdkWindow *window = GTK_PIZZA(m_widget)->bin_window; - glXSwapBuffers( GDK_DISPLAY(), GDK_WINDOW_XWINDOW( window ) ); - } -} - -void wxGLContext::SetCurrent() -{ - if (m_glContext) - { - GdkWindow *window = GTK_PIZZA(m_widget)->bin_window; - glXMakeCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), m_glContext ); - } -} - -void wxGLContext::SetColour(const char *colour) -{ - float r = 0.0; - float g = 0.0; - float b = 0.0; - wxColour *col = wxTheColourDatabase->FindColour(colour); - if (col) - { - r = (float)(col->Red()/256.0); - g = (float)(col->Green()/256.0); - b = (float)(col->Blue()/256.0); - glColor3f( r, g, b); - } -} - -void wxGLContext::SetupPixelFormat() -{ -} - -void wxGLContext::SetupPalette( const wxPalette& WXUNUSED(palette) ) -{ -} - -wxPalette wxGLContext::CreateDefaultPalette() -{ - return wxNullPalette; -} - -//----------------------------------------------------------------------------- -// "realize" from m_wxwindow -//----------------------------------------------------------------------------- - -static gint -gtk_glwindow_realized_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) -{ - wxGLContext *share= win->m_sharedContext; - if (share==NULL && win->m_sharedContextOf) share=win->m_sharedContextOf->GetContext(); - - win->m_glContext = new wxGLContext( TRUE, win, wxNullPalette, share ); - - return FALSE; -} - -//----------------------------------------------------------------------------- -// "map" from m_wxwindow -//----------------------------------------------------------------------------- - -static gint -gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) -{ - if (win->m_glContext/* && win->m_exposed*/) - { - wxPaintEvent event( win->GetId() ); - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); - - win->m_exposed = FALSE; - win->GetUpdateRegion().Clear(); - } - - return FALSE; -} - -//----------------------------------------------------------------------------- -// "expose_event" of m_wxwindow -//----------------------------------------------------------------------------- - -static void -gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - - win->m_exposed = TRUE; - - win->GetUpdateRegion().Union( gdk_event->area.x, - gdk_event->area.y, - gdk_event->area.width, - gdk_event->area.height ); -} - -//----------------------------------------------------------------------------- -// "draw" of m_wxwindow -//----------------------------------------------------------------------------- - -static void -gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxGLCanvas *win ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - - win->m_exposed = TRUE; - - win->GetUpdateRegion().Union( rect->x, rect->y, - rect->width, rect->height ); -} - -//----------------------------------------------------------------------------- -// "size_allocate" of m_wxwindow -//----------------------------------------------------------------------------- - -static void -gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - - if (!win->m_hasVMT) - return; - - wxSizeEvent event( wxSize(win->m_width,win->m_height), win->GetId() ); - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); -} - -//--------------------------------------------------------------------------- -// wxGlCanvas -//--------------------------------------------------------------------------- - -IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow) - -BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow) - EVT_SIZE(wxGLCanvas::OnSize) -END_EVENT_TABLE() - -wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) -{ - Create( parent, NULL, NULL, id, pos, size, style, name, attribList, palette ); -} - -wxGLCanvas::wxGLCanvas( wxWindow *parent, - const wxGLContext *shared, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) -{ - Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette ); -} - -wxGLCanvas::wxGLCanvas( wxWindow *parent, - const wxGLCanvas *shared, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) -{ - Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette ); -} - -bool wxGLCanvas::Create( wxWindow *parent, - const wxGLContext *shared, - const wxGLCanvas *shared_context_of, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette) -{ - m_sharedContext = (wxGLContext*)shared; // const_cast - m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast - m_glContext = (wxGLContext*) NULL; - - m_exposed = FALSE; - m_noExpose = TRUE; - m_nativeSizeEvent = TRUE; - - if (!attribList) - { - int data[] = { GLX_RGBA, - GLX_DOUBLEBUFFER, - GLX_DEPTH_SIZE, 1, // use largest available depth buffer - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_ALPHA_SIZE, 0, - None }; - attribList = (int*) data; - } - else - { - int data[512], arg=0, p=0; - - while( (attribList[arg]!=0) && (p<512) ) - { - switch( attribList[arg++] ) - { - case WX_GL_RGBA: data[p++] = GLX_RGBA; break; - case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break; - case WX_GL_DEPTH_SIZE: - data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_RED: - data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_GREEN: - data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_BLUE: - data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break; - default: - break; - } - } - data[p] = 0; - - attribList = (int*) data; - } - - - Display *dpy = GDK_DISPLAY(); - - XVisualInfo *vi = glXChooseVisual( dpy, DefaultScreen(dpy), attribList ); - - m_vi = vi; // safe for later use - - wxCHECK_MSG( m_vi, FALSE, "required visual couldn't be found" ); - - GdkVisual *visual = gdkx_visual_get( vi->visualid ); - GdkColormap *colormap = gdk_colormap_new( gdkx_visual_get(vi->visualid), TRUE ); - - gtk_widget_push_colormap( colormap ); - gtk_widget_push_visual( visual ); - - wxScrolledWindow::Create( parent, id, pos, size, style, name ); - - m_glWidget = m_wxwindow; - - gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE ); - - gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize", - GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this ); - - gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map", - GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this ); - - gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event", - GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this ); - - gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw", - GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this ); - - gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", - GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this ); - - gtk_widget_pop_visual(); - gtk_widget_pop_colormap(); - - return TRUE; -} - -wxGLCanvas::~wxGLCanvas() -{ - XVisualInfo *vi = (XVisualInfo *) m_vi; - - if (vi) XFree( vi ); - if (m_glContext) delete m_glContext; -} - -void wxGLCanvas::SwapBuffers() -{ - if (m_glContext) m_glContext->SwapBuffers(); -} - -void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event)) -{ - int width, height; - GetClientSize( &width, &height ); - - if (m_glContext && GTK_WIDGET_REALIZED(m_glWidget) ) - { - SetCurrent(); - - glViewport(0, 0, (GLint)width, (GLint)height ); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); - glMatrixMode(GL_MODELVIEW); - } -} - -void wxGLCanvas::SetCurrent() -{ - if (m_glContext) m_glContext->SetCurrent(); -} - -void wxGLCanvas::SetColour( const char *colour ) -{ - if (m_glContext) m_glContext->SetColour( colour ); -} - -void wxGLCanvas::OnInternalIdle() -{ - if (m_glContext && m_exposed) - { - wxPaintEvent event( GetId() ); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); - - m_exposed = FALSE; - GetUpdateRegion().Clear(); - } - - wxWindow::OnInternalIdle(); -}