Allow specification of border spacing

[wxWidgets.git] / src / x11 / glcanvas.cpp

diff --git a/src/x11/glcanvas.cpp b/src/x11/glcanvas.cpp
index fabb565b272dc3de511a5d828701ccee5f708039..9ab1474b9cbd6e76c7bfe07f781a1f9de5c8b100 100644 (file)
--- a/src/x11/glcanvas.cpp
+++ b/src/x11/glcanvas.cpp
@@ -1,20 +1,21 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        glcanvas.cpp
-// Purpose:     wxGLCanvas, for using OpenGL with wxWindows
+// Name:        src/x11/glcanvas.cpp
+// Purpose:     wxGLCanvas, for using OpenGL with wxWidgets

 //              Uses the GLX extension.
 // Author:      Julian Smart and Wolfram Gloger
 // Modified by:
 // Created:     1995, 1999
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart, Wolfram Gloger
 //              Uses the GLX extension.
 // Author:      Julian Smart and Wolfram Gloger
 // Modified by:
 // Created:     1995, 1999
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart, Wolfram Gloger

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "glcanvas.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 

-#include "wx/setup.h"
+#if defined(__BORLANDC__)
+#pragma hdrstop
+#endif

 
 #if wxUSE_GLCANVAS
 
 
 #if wxUSE_GLCANVAS
 


@@ -50,9 +51,10 @@ static inline WXWindow wxGetClientAreaWindow(wxWindow* win)
 static int bitcount( unsigned long n )
 {
     int bits;
 static int bitcount( unsigned long n )
 {
     int bits;

-    for (bits=0; n>0;) {
-       if(n & 1) bits++;
-       n = n >> 1;
+    for (bits=0; n>0;)
+    {
+        if(n & 1) bits++;
+        n = n >> 1;

     }
     return bits;
 }
     }
     return bits;
 }


@@ -64,7 +66,7 @@ static int bitcount( unsigned long n )
 
 IMPLEMENT_CLASS(wxGLContext,wxObject)
 
 
 IMPLEMENT_CLASS(wxGLContext,wxObject)
 

-wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, 
+wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win,

                           const wxPalette& WXUNUSED(palette) )
 {
     m_window = win;
                           const wxPalette& WXUNUSED(palette) )
 {
     m_window = win;


@@ -72,17 +74,17 @@ wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win,
 
     wxGLCanvas *gc = (wxGLCanvas*) win;
     XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
 
     wxGLCanvas *gc = (wxGLCanvas*) win;
     XVisualInfo *vi = (XVisualInfo *) gc->m_vi;

-    
-    wxCHECK_RET( vi, "invalid visual for OpenGl" );
-    
+
+    wxCHECK_RET( vi, wxT("invalid visual for OpenGL") );
+

     m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi,
                                     None, GL_TRUE);
     m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi,
                                     None, GL_TRUE);

-  
-    wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" );
+
+    wxCHECK_RET( m_glContext, wxT("Couldn't create OpenGL context") );

 }
 
 }
 

-wxGLContext::wxGLContext( 
-               bool WXUNUSED(isRGB), wxWindow *win, 
+wxGLContext::wxGLContext(
+               bool WXUNUSED(isRGB), wxWindow *win,

                const wxPalette& WXUNUSED(palette),
                const wxGLContext *other        /* for sharing display lists */
 )
                const wxPalette& WXUNUSED(palette),
                const wxGLContext *other        /* for sharing display lists */
 )


@@ -92,28 +94,28 @@ wxGLContext::wxGLContext(
 
     wxGLCanvas *gc = (wxGLCanvas*) win;
     XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
 
     wxGLCanvas *gc = (wxGLCanvas*) win;
     XVisualInfo *vi = (XVisualInfo *) gc->m_vi;

-    
-    wxCHECK_RET( vi, "invalid visual for OpenGl" );
-    
+
+    wxCHECK_RET( vi, wxT("invalid visual for OpenGL") );
+

     if( other != 0 )
     if( other != 0 )

-        m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi, 
+        m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi,

                                         other->m_glContext, GL_TRUE );
     else
         m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi,
                                         None, GL_TRUE );
                                         other->m_glContext, GL_TRUE );
     else
         m_glContext = glXCreateContext( (Display *)wxGetDisplay(), vi,
                                         None, GL_TRUE );

-    
-    wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" );
+
+    wxCHECK_RET( m_glContext, wxT("Couldn't create OpenGL context") );

 }
 
 wxGLContext::~wxGLContext()
 {
     if (!m_glContext) return;
 }
 
 wxGLContext::~wxGLContext()
 {
     if (!m_glContext) return;

-    
+

     if (m_glContext == glXGetCurrentContext())
     {
         glXMakeCurrent( (Display*) wxGetDisplay(), None, NULL);
     }
     if (m_glContext == glXGetCurrentContext())
     {
         glXMakeCurrent( (Display*) wxGetDisplay(), None, NULL);
     }

-       
+

     glXDestroyContext( (Display*) wxGetDisplay(), m_glContext );
 }
 
     glXDestroyContext( (Display*) wxGetDisplay(), m_glContext );
 }
 


@@ -128,38 +130,42 @@ void wxGLContext::SwapBuffers()
 
 void wxGLContext::SetCurrent()
 {
 
 void wxGLContext::SetCurrent()
 {

-    if (m_glContext) 
-    { 
+    if (m_glContext)
+    {

         Display* display = (Display*) wxGetDisplay();
         Display* display = (Display*) wxGetDisplay();

-        glXMakeCurrent(display, (Window) wxGetClientAreaWindow(m_window), 
-                       m_glContext );;
+        glXMakeCurrent(display, (Window) wxGetClientAreaWindow(m_window),
+                       m_glContext );

     }
 }
 
     }
 }
 

-void wxGLContext::SetColour(const char *colour)
+void wxGLContext::SetColour(const wxChar *colour)

 {
 {

-    wxColour *the_colour = wxTheColourDatabase->FindColour(colour);
-    if(the_colour) {
-       GLboolean b;
-       glGetBooleanv(GL_RGBA_MODE, &b);
-       if(b) {
-           glColor3ub(the_colour->Red(),
-                      the_colour->Green(),
-                      the_colour->Blue());
-       } else {
+    wxColour the_colour = wxTheColourDatabase->Find(colour);
+    if(the_colour.Ok())
+    {
+        GLboolean b;
+        glGetBooleanv(GL_RGBA_MODE, &b);
+        if(b)
+        {
+            glColor3ub(the_colour.Red(),
+                    the_colour.Green(),
+                    the_colour.Blue());
+        }
+        else
+        {

 #ifdef __WXMOTIF__
 #ifdef __WXMOTIF__

-            the_colour->AllocColour(m_window->GetXDisplay());
+            the_colour.AllocColour(m_window->GetXDisplay());

 #else
 #else

-            the_colour->CalcPixel(wxTheApp->GetMainColormap(wxGetDisplay()));
+            the_colour.CalcPixel(wxTheApp->GetMainColormap(wxGetDisplay()));

 #endif
 #endif

-           GLint pix = (GLint)the_colour->GetPixel();
-           if(pix == -1)
+            GLint pix = (GLint)the_colour.GetPixel();
+            if(pix == -1)

             {
             {

-                wxLogError("wxGLCanvas: cannot allocate color\n");
-               return;
+                wxLogError(wxT("wxGLCanvas: cannot allocate color\n"));
+                return;

             }
             }

-           glIndexi(pix);
-       }
+            glIndexi(pix);
+        }

     }
 }
 
     }
 }
 


@@ -191,36 +197,36 @@ END_EVENT_TABLE()
 
 
 wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id,
 
 
 wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id,

-                        const wxPoint& pos, const wxSize& size, 
-                       long style, const wxString& name,
-                        int *attribList, 
-                       const wxPalette& palette )
+                        const wxPoint& pos, const wxSize& size,
+                        long style, const wxString& name,
+                        int *attribList,
+                        const wxPalette& palette )

 : wxScrolledWindow(parent, id, pos, size, style, name)
 {
     Create( parent, NULL, NULL, id, pos, size, style, name, attribList, palette );
 }
 
 : wxScrolledWindow(parent, id, pos, size, style, name)
 {
     Create( parent, NULL, NULL, id, pos, size, style, name, attribList, palette );
 }
 

-wxGLCanvas::wxGLCanvas( wxWindow *parent, 
+wxGLCanvas::wxGLCanvas( wxWindow *parent,

                         const wxGLContext *shared,
                         wxWindowID id,
                         const wxGLContext *shared,
                         wxWindowID id,

-                        const wxPoint& pos, const wxSize& size, 
-                       long style, const wxString& name,
-                        int *attribList, 
-                       const wxPalette& palette )
+                        const wxPoint& pos, const wxSize& size,
+                        long style, const wxString& name,
+                        int *attribList,
+                        const wxPalette& palette )

 : wxScrolledWindow(parent, id, pos, size, style, name)
 : wxScrolledWindow(parent, id, pos, size, style, name)

-{                      
+{

     Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette );
 }
 
     Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette );
 }
 

-wxGLCanvas::wxGLCanvas( wxWindow *parent, 
+wxGLCanvas::wxGLCanvas( wxWindow *parent,

                         const wxGLCanvas *shared,
                         wxWindowID id,
                         const wxGLCanvas *shared,
                         wxWindowID id,

-                        const wxPoint& pos, const wxSize& size, 
-                       long style, const wxString& name,
-                        int *attribList, 
-                       const wxPalette& palette )
+                        const wxPoint& pos, const wxSize& size,
+                        long style, const wxString& name,
+                        int *attribList,
+                        const wxPalette& palette )

 : wxScrolledWindow(parent, id, pos, size, style, name)
 : wxScrolledWindow(parent, id, pos, size, style, name)

-{                      
+{

     Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette );
 }
 
     Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette );
 }
 


@@ -229,19 +235,19 @@ wxGLCanvas::wxGLCanvas( wxWindow *parent,
 bool wxGLCanvas::Create(wxWindow *parent,
   const wxGLContext *shared, const wxGLCanvas *shared_context_of,
   wxWindowID id = -1, const wxPoint& pos,
 bool wxGLCanvas::Create(wxWindow *parent,
   const wxGLContext *shared, const wxGLCanvas *shared_context_of,
   wxWindowID id = -1, const wxPoint& pos,

-  const wxSize& size, long style, 
+  const wxSize& size, long style,

   const wxString& name, int *attribList, const wxPalette& palette):
     wxScrolledWindow(parent, id, pos, size, style, name)
 */
 
   const wxString& name, int *attribList, const wxPalette& palette):
     wxScrolledWindow(parent, id, pos, size, style, name)
 */
 

-bool wxGLCanvas::Create( wxWindow *parent, 
+bool wxGLCanvas::Create( wxWindow *parent,

                          const wxGLContext *shared,
                          const wxGLCanvas *shared_context_of,
                          wxWindowID id,
                          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)
+                         const wxPoint& pos, const wxSize& size,
+                         long style, const wxString& name,
+                         int *attribList,
+                         const wxPalette& palette)

 {
     XVisualInfo *vi, vi_templ;
     XWindowAttributes xwa;
 {
     XVisualInfo *vi, vi_templ;
     XWindowAttributes xwa;


@@ -254,14 +260,15 @@ bool wxGLCanvas::Create( wxWindow *parent,
     Display* display = (Display*) wxGetDisplay();
 
     // Check for the presence of the GLX extension
     Display* display = (Display*) wxGetDisplay();
 
     // Check for the presence of the GLX extension

-    if(!glXQueryExtension(display, NULL, NULL)) {
-       wxLogDebug("wxGLCanvas: GLX extension is missing\n");
-       return FALSE;
+    if(!glXQueryExtension(display, NULL, NULL))
+    {
+        wxLogDebug(wxT("wxGLCanvas: GLX extension is missing\n"));
+        return false;

     }
 
     if(attribList) {
       int data[512], arg=0, p=0;
     }
 
     if(attribList) {
       int data[512], arg=0, p=0;

-       
+

       while( (attribList[arg]!=0) && (p<512) )
       {
         switch( attribList[arg++] )
       while( (attribList[arg]!=0) && (p<512) )
       {
         switch( attribList[arg++] )


@@ -283,9 +290,9 @@ bool wxGLCanvas::Create( wxWindow *parent,
             data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
           case WX_GL_MIN_ALPHA:
             data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
             data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
           case WX_GL_MIN_ALPHA:
             data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;

-          case WX_GL_DEPTH_SIZE: 
+          case WX_GL_DEPTH_SIZE:

             data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;
             data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;

-          case WX_GL_STENCIL_SIZE: 
+          case WX_GL_STENCIL_SIZE:

             data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
           case WX_GL_MIN_ACCUM_RED:
             data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;
             data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
           case WX_GL_MIN_ACCUM_RED:
             data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;


@@ -298,64 +305,64 @@ bool wxGLCanvas::Create( wxWindow *parent,
           default:
             break;
         }
           default:
             break;
         }

-      }       
-      data[p] = 0; 
+      }
+      data[p] = 0;

 
       attribList = (int*) data;
       // Get an appropriate visual
       vi = glXChooseVisual(display, DefaultScreen(display), attribList);
       if(!vi) return FALSE;
 
       attribList = (int*) data;
       // Get an appropriate visual
       vi = glXChooseVisual(display, DefaultScreen(display), attribList);
       if(!vi) return FALSE;

-      
+

       // Here we should make sure that vi is the same visual as the
       // one used by the xwindow drawable in wxCanvas.  However,
       // there is currently no mechanism for this in wx_canvs.cc.
     } else {
       // Here we should make sure that vi is the same visual as the
       // one used by the xwindow drawable in wxCanvas.  However,
       // there is currently no mechanism for this in wx_canvs.cc.
     } else {

-       // By default, we use the visual of xwindow
+        // By default, we use the visual of xwindow

         // NI: is this really senseful ? opengl in e.g. color index mode ?
         // NI: is this really senseful ? opengl in e.g. color index mode ?

-       XGetWindowAttributes(display, (Window)wxGetClientAreaWindow(this), &xwa);
-       vi_templ.visualid = XVisualIDFromVisual(xwa.visual);
-       vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n);
-       if(!vi) return FALSE;
-       glXGetConfig(display, vi, GLX_USE_GL, &val);
-       if(!val) return FALSE;
-       // Basically, this is it.  It should be possible to use vi
-       // in glXCreateContext() below.  But this fails with Mesa.
-       // I notified the Mesa author about it; there may be a fix.
+      XGetWindowAttributes(display, (Window)wxGetClientAreaWindow(this), &xwa);
+      vi_templ.visualid = XVisualIDFromVisual(xwa.visual);
+      vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n);
+      if(!vi) return FALSE;
+      glXGetConfig(display, vi, GLX_USE_GL, &val);
+      if(!val) return FALSE;
+      // Basically, this is it.  It should be possible to use vi
+      // in glXCreateContext() below.  But this fails with Mesa.
+      // I notified the Mesa author about it; there may be a fix.

 #ifdef OLD_MESA
 #ifdef OLD_MESA

-       // Construct an attribute list matching the visual
-       int a_list[32];
-       n = 0;
-       if(vi->c_class==TrueColor || vi->c_class==DirectColor) { // RGBA visual
-           a_list[n++] = GLX_RGBA;
-           a_list[n++] = GLX_RED_SIZE;
-           a_list[n++] = bitcount(vi->red_mask);
-           a_list[n++] = GLX_GREEN_SIZE;
-           a_list[n++] = bitcount(vi->green_mask);
-           a_list[n++] = GLX_BLUE_SIZE;
-           a_list[n++] = bitcount(vi->blue_mask);
-           glXGetConfig(display, vi, GLX_ALPHA_SIZE, &val);
-           a_list[n++] = GLX_ALPHA_SIZE;
-           a_list[n++] = val;
-       } else { // Color index visual
-           glXGetConfig(display, vi, GLX_BUFFER_SIZE, &val);
-           a_list[n++] = GLX_BUFFER_SIZE;
-           a_list[n++] = val;
-       }
-       a_list[n] = None;
-       // XFree(vi);
-       vi = glXChooseVisual(display, DefaultScreen(display), a_list);
-       if(!vi) return FALSE;
+      // Construct an attribute list matching the visual
+      int a_list[32];
+      n = 0;
+      if(vi->c_class==TrueColor || vi->c_class==DirectColor) { // RGBA visual
+          a_list[n++] = GLX_RGBA;
+          a_list[n++] = GLX_RED_SIZE;
+          a_list[n++] = bitcount(vi->red_mask);
+          a_list[n++] = GLX_GREEN_SIZE;
+          a_list[n++] = bitcount(vi->green_mask);
+          a_list[n++] = GLX_BLUE_SIZE;
+          a_list[n++] = bitcount(vi->blue_mask);
+          glXGetConfig(display, vi, GLX_ALPHA_SIZE, &val);
+          a_list[n++] = GLX_ALPHA_SIZE;
+          a_list[n++] = val;
+      } else { // Color index visual
+          glXGetConfig(display, vi, GLX_BUFFER_SIZE, &val);
+          a_list[n++] = GLX_BUFFER_SIZE;
+          a_list[n++] = val;
+      }
+      a_list[n] = None;
+      // XFree(vi);
+      vi = glXChooseVisual(display, DefaultScreen(display), a_list);
+      if(!vi) return FALSE;

 #endif /* OLD_MESA */
     }
 
     m_vi = vi;  // safe for later use
 #endif /* OLD_MESA */
     }
 
     m_vi = vi;  // safe for later use

-    
-    wxCHECK_MSG( m_vi, FALSE, "required visual couldn't be found" );
+
+    wxCHECK_MSG( m_vi, FALSE, wxT("required visual couldn't be found") );

 
     // Create the GLX context and make it current
 
     wxGLContext *share= m_sharedContext;
 
     // Create the GLX context and make it current
 
     wxGLContext *share= m_sharedContext;

-    if (share==NULL && m_sharedContextOf) 
+    if (share==NULL && m_sharedContextOf)

         share = m_sharedContextOf->GetContext();
 
     m_glContext = new wxGLContext( TRUE, this, wxNullPalette, share );
         share = m_sharedContextOf->GetContext();
 
     m_glContext = new wxGLContext( TRUE, this, wxNullPalette, share );


@@ -365,13 +372,13 @@ bool wxGLCanvas::Create( wxWindow *parent,
 #endif
     SetCurrent();
 
 #endif
     SetCurrent();
 

-    return TRUE;
+    return true;

 }
 
 wxGLCanvas::~wxGLCanvas(void)
 {
     XVisualInfo *vi = (XVisualInfo *) m_vi;
 }
 
 wxGLCanvas::~wxGLCanvas(void)
 {
     XVisualInfo *vi = (XVisualInfo *) m_vi;

-    
+

     if (vi) XFree( vi );
     if (m_glContext) delete m_glContext;
 
     if (vi) XFree( vi );
     if (m_glContext) delete m_glContext;
 


@@ -395,11 +402,10 @@ void wxGLCanvas::SetCurrent()
     // if(glx_cx) glXMakeCurrent(display, (Window) GetClientAreaWindow(), glx_cx);
 }
 
     // if(glx_cx) glXMakeCurrent(display, (Window) GetClientAreaWindow(), glx_cx);
 }
 

-void wxGLCanvas::SetColour(const char *col)
+void wxGLCanvas::SetColour(const wxChar *col)

 {
     if( m_glContext ) m_glContext->SetColour(col);
 }
 
 #endif
     // wxUSE_GLCANVAS
 {
     if( m_glContext ) m_glContext->SetColour(col);
 }
 
 #endif
     // wxUSE_GLCANVAS

-