patch applied with thanks, fixes #13865

[wxWidgets.git] / src / motif / dcmemory.cpp

diff --git a/src/motif/dcmemory.cpp b/src/motif/dcmemory.cpp
index 9a80e5f5495c552ef9f7a15bb759c9b436d074c1..72c64deea89e55be29a2a4432cf1fddd75cedc16 100644 (file)
--- a/src/motif/dcmemory.cpp
+++ b/src/motif/dcmemory.cpp
@@ -1,64 +1,142 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.cpp
-// Purpose:     wxMemoryDC class
+// Name:        src/motif/dcmemory.cpp
+// Purpose:     wxMemoryDCImpl class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "dcmemory.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/dcmemory.h"
+    #include "wx/dcclient.h"
 #endif
 
-#include "wx/dcmemory.h"
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"
+#include "wx/motif/dcmemory.h"
 
 //-----------------------------------------------------------------------------
-// wxMemoryDC
+// wxMemoryDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl)
 
-wxMemoryDC::wxMemoryDC(void)
+void wxMemoryDCImpl::Init()
 {
-  m_ok = FALSE;
-};
+    m_ok = true;
+    m_display = wxGetDisplay();
 
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
-{
-  m_ok = FALSE;
-};
+    Display* display = (Display*) m_display;
 
-wxMemoryDC::~wxMemoryDC(void)
+    XGCValues gcvalues;
+    gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
+    gcvalues.background = WhitePixel (display, DefaultScreen (display));
+    gcvalues.graphics_exposures = False;
+    gcvalues.subwindow_mode = IncludeInferiors;
+    gcvalues.line_width = 1;
+    m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)),
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        &gcvalues);
+
+    m_backgroundPixel = gcvalues.background;
+
+    SetBrush (* wxWHITE_BRUSH);
+    SetPen (* wxBLACK_PEN);
+    SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxDC* dc)
+              : wxWindowDCImpl(owner)
 {
-};
+    m_ok = true;
+    if (dc && dc->IsKindOf(CLASSINFO(wxWindowDC)))
+        m_display = ((wxWindowDCImpl *)dc->GetImpl())->GetDisplay();
+    else
+        m_display = wxGetDisplay();
+
+    Display* display = (Display*) m_display;
 
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+    XGCValues gcvalues;
+    gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
+    gcvalues.background = WhitePixel (display, DefaultScreen (display));
+    gcvalues.graphics_exposures = False;
+    gcvalues.subwindow_mode = IncludeInferiors;
+    gcvalues.line_width = 1;
+    m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)),
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        &gcvalues);
+
+    m_backgroundPixel = gcvalues.background;
+
+    SetBrush (* wxWHITE_BRUSH);
+    SetPen (* wxBLACK_PEN);
+}
+
+wxMemoryDCImpl::~wxMemoryDCImpl(void)
 {
-  m_selected = bitmap;
-  if (m_selected.Ok())
-  {
-  }
-  else
-  {
-    m_ok = FALSE;
-  };
-};
-
-void wxMemoryDC::GetSize( int *width, int *height ) const
+}
+
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
 {
-  if (m_selected.Ok())
-  {
-    if (width) (*width) = m_selected.GetWidth();
-    if (height) (*height) = m_selected.GetHeight();
-  }
-  else
-  {
-    if (width) (*width) = 0;
-    if (height) (*height) = 0;
-  };
-};
+    m_bitmap = bitmap;
+
+    if (m_gc)
+        XFreeGC((Display*) m_display, (GC) m_gc);
+    m_gc = (WXGC) NULL;
 
+    if (m_bitmap.IsOk() && (bitmap.GetDisplay() == m_display))
+    {
+        m_pixmap = m_bitmap.GetDrawable();
+        Display* display = (Display*) m_display;
 
+        XGCValues gcvalues;
+        gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
+        gcvalues.background = WhitePixel (display, DefaultScreen (display));
+        gcvalues.graphics_exposures = False;
+        gcvalues.subwindow_mode = IncludeInferiors;
+        gcvalues.line_width = 1;
+        m_gc = (WXGC) XCreateGC (display, (Drawable)m_pixmap/* RootWindow (display, DefaultScreen (display)) */,
+            GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+            &gcvalues);
+
+        m_backgroundPixel = gcvalues.background;
+        m_ok = true;
+
+        SetBrush (* wxWHITE_BRUSH);
+        SetPen (* wxBLACK_PEN);
+    }
+    else
+    {
+        m_ok = false;
+        m_pixmap = (WXPixmap) 0;
+    };
+}
+
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
+{
+    if (m_bitmap.IsOk())
+    {
+        if (width) (*width) = m_bitmap.GetWidth();
+        if (height) (*height) = m_bitmap.GetHeight();
+    }
+    else
+    {
+        if (width) (*width) = 0;
+        if (height) (*height) = 0;
+    };
+}