Up-ported code to make tree item visible when programmatically

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

diff --git a/src/motif/dcmemory.cpp b/src/motif/dcmemory.cpp
index 9a80e5f5495c552ef9f7a15bb759c9b436d074c1..46f6d29183c6a1d733289ecce136ad9433afbc74 100644 (file)
--- a/src/motif/dcmemory.cpp
+++ b/src/motif/dcmemory.cpp
@@ -14,21 +14,81 @@
 #endif
 
 #include "wx/dcmemory.h"
+#include "wx/settings.h"
+#include "wx/utils.h"
+
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"
 
 //-----------------------------------------------------------------------------
 // wxMemoryDC
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
+IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxWindowDC)
 
 wxMemoryDC::wxMemoryDC(void)
 {
-  m_ok = FALSE;
+    m_ok = TRUE;
+    m_display = wxGetDisplay();
+    
+    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, RootWindow (display, DefaultScreen (display)),
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        &gcvalues);
+    
+    m_backgroundPixel = (int) gcvalues.background;
+    
+    // Get the current Font so we can set it back later
+    XGCValues valReturn;
+    XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn);
+    m_oldFont = (WXFont) valReturn.font;
+    SetBrush (* wxWHITE_BRUSH);
+    SetPen (* wxBLACK_PEN);
+    SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));    
 };
 
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
+wxMemoryDC::wxMemoryDC( wxDC* dc )
 {
-  m_ok = FALSE;
+    m_ok = TRUE;
+    if (dc && dc->IsKindOf(CLASSINFO(wxWindowDC)))
+        m_display = ((wxWindowDC*)dc)->GetDisplay();
+    else
+        m_display = wxGetDisplay();
+    
+    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, RootWindow (display, DefaultScreen (display)),
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        &gcvalues);
+    
+    m_backgroundPixel = (int) gcvalues.background;
+    
+    // Get the current Font so we can set it back later
+    XGCValues valReturn;
+    XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn);
+    m_oldFont = (WXFont) valReturn.font;
+    SetBrush (* wxWHITE_BRUSH);
+    SetPen (* wxBLACK_PEN);
 };
 
 wxMemoryDC::~wxMemoryDC(void)
@@ -37,28 +97,63 @@ wxMemoryDC::~wxMemoryDC(void)
 
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 {
-  m_selected = bitmap;
-  if (m_selected.Ok())
-  {
-  }
-  else
-  {
-    m_ok = FALSE;
-  };
+    m_bitmap = bitmap;
+    
+    if (m_gc)
+        XFreeGC((Display*) m_display, (GC) m_gc);
+    m_gc = (WXGC) NULL;
+    
+    if (m_bitmap.Ok() && (bitmap.GetDisplay() == m_display))
+    {
+        m_pixmap = m_bitmap.GetPixmap();
+        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, RootWindow (display, DefaultScreen (display)),
+            GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+            &gcvalues);
+        
+        m_backgroundPixel = (int) gcvalues.background;
+        
+        // Get the current Font so we can set it back later
+        XGCValues valReturn;
+        XGetGCValues((Display*) m_display, (GC) m_gc, GCFont, &valReturn);
+        m_oldFont = (WXFont) valReturn.font;
+        
+        bool oldOpt = GetOptimization();
+        SetOptimization(FALSE);
+        
+        SetBrush (* wxWHITE_BRUSH);
+        SetPen (* wxBLACK_PEN);
+        
+        SetOptimization(oldOpt);
+        
+        m_ok = TRUE;
+    }
+    else
+    {
+        m_ok = FALSE;
+        m_pixmap = (WXPixmap) 0;
+    };
 };
 
-void wxMemoryDC::GetSize( int *width, int *height ) const
+void wxMemoryDC::DoGetSize( int *width, int *height ) const
 {
-  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;
-  };
+    if (m_bitmap.Ok())
+    {
+        if (width) (*width) = m_bitmap.GetWidth();
+        if (height) (*height) = m_bitmap.GetHeight();
+    }
+    else
+    {
+        if (width) (*width) = 0;
+        if (height) (*height) = 0;
+    };
 };