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[wxWidgets.git] / src / gtk / dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 560c4162efe4accea169727d167644640348a7ba..6505cb678679acbc76b7a06cb5a5933fa7672504 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -110,12 +110,13 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     m_cmap = (GdkColormap *) NULL;
     m_owner = (wxWindow *)NULL;
     m_isMemDC = FALSE;
+    m_font = window->GetFont();
   
-    wxASSERT_MSG( window, "DC needs a window" );
+    wxASSERT_MSG( window, _T("DC needs a window") );
     
     GtkWidget *widget = window->m_wxwindow;
     
-    wxASSERT_MSG( widget, "DC needs a widget" );
+    wxASSERT_MSG( widget, _T("DC needs a widget") );
     
     m_window = widget->window;
     
@@ -487,8 +488,6 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
   
     wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") );
     
-    if (!m_window) return;
-    
     /* scale/translate size and position */
   
     int xx = XLOG2DEV(x);
@@ -497,6 +496,11 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     int w = bitmap.GetWidth();
     int h = bitmap.GetHeight();
     
+    CalcBoundingBox( x, y );
+    CalcBoundingBox( x + w, y + h );
+    
+    if (!m_window) return;
+    
     int ww = XLOG2DEVREL(w);
     int hh = YLOG2DEVREL(h);
     
@@ -550,9 +554,6 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
         gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
         gdk_gc_set_clip_origin( m_penGC, 0, 0 );
     }
-    
-    CalcBoundingBox( x, y );
-    CalcBoundingBox( x + w, y + h );
 }
 
 bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
@@ -863,9 +864,9 @@ void wxWindowDC::SetPen( const wxPen &pen )
     if (!m_window) return;
     
     gint width = m_pen.GetWidth();
-    // CMB: if width is non-zero scale it with the dc
     if (width <= 0)
     {
+        // CMB: if width is non-zero scale it with the dc
         width = 1;
     }
     else
@@ -876,16 +877,85 @@ void wxWindowDC::SetPen( const wxPen &pen )
         width = (int)w;
     }
   
+    const static char dotted[] = {1, 1};
+    const static char short_dashed[] = {2, 2};
+    const static char long_dashed[] = {2, 4};
+    const static char dotted_dashed[] = {3, 3, 1, 3};
+    
+    // We express dash pattern in pen width unit, so we are
+    // independent of zoom factor and so on...
+    int req_nb_dash;
+    const char *req_dash;
+    
     GdkLineStyle lineStyle = GDK_LINE_SOLID;
     switch (m_pen.GetStyle())
     {
-        case wxSOLID:      { lineStyle = GDK_LINE_SOLID;       break; }
-        case wxDOT:        { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
-        case wxLONG_DASH:  { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
-        case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
-        case wxDOT_DASH:   { lineStyle = GDK_LINE_DOUBLE_DASH; break; }
+        case wxUSER_DASH:
+       {
+           lineStyle = GDK_LINE_ON_OFF_DASH; 
+            req_nb_dash = m_pen.GetDashCount();
+            req_dash = m_pen.GetDash();
+            break;
+       }
+        case wxDOT:        
+       { 
+           lineStyle = GDK_LINE_ON_OFF_DASH; 
+            req_nb_dash = 2;
+            req_dash = dotted;
+           break; 
+       }
+        case wxLONG_DASH:  
+       { 
+           lineStyle = GDK_LINE_ON_OFF_DASH; 
+            req_nb_dash = 2;
+            req_dash = long_dashed;
+           break; 
+       }
+        case wxSHORT_DASH: 
+       { 
+           lineStyle = GDK_LINE_ON_OFF_DASH; 
+            req_nb_dash = 2;
+            req_dash = short_dashed;
+           break; 
+       }
+        case wxDOT_DASH:   
+       { 
+//         lineStyle = GDK_LINE_DOUBLE_DASH; 
+           lineStyle = GDK_LINE_ON_OFF_DASH; 
+            req_nb_dash = 4;
+            req_dash = dotted_dashed;
+           break; 
+       }
+       
+       case wxTRANSPARENT:
+       case wxSTIPPLE:
+        case wxSOLID: 
+       default:     
+       { 
+           lineStyle = GDK_LINE_SOLID;
+            req_dash = (wxDash*)NULL;
+            req_nb_dash = 0;
+           break; 
+       }
     }
   
+    if (req_dash && req_nb_dash)
+    {
+        char *real_req_dash = new char[req_nb_dash];
+        if (real_req_dash)
+        {
+            for (int i = 0; i < req_nb_dash; i++)
+                real_req_dash[i] = req_dash[i] * width;
+           gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
+            delete[] real_req_dash;
+        }
+        else
+        {
+            // No Memory. We use non-scaled dash pattern...
+           gdk_gc_set_dashes( m_penGC, 0, (char*)req_dash, req_nb_dash );
+        }
+    }
+       
     GdkCapStyle capStyle = GDK_CAP_ROUND;
     switch (m_pen.GetCap())
     {
@@ -1025,7 +1095,7 @@ void wxWindowDC::SetLogicalFunction( int function )
 #endif
         default:
        {
-          wxFAIL_MSG( "unsupported logical function" );
+          wxFAIL_MSG( _T("unsupported logical function") );
           break;
        }
     }
@@ -1172,9 +1242,15 @@ void wxWindowDC::SetUpDC()
     m_brush = wxNullBrush;
     SetBrush( tmp_brush );
     
+/*
     tmp_brush = m_backgroundBrush;
     m_backgroundBrush = wxNullBrush;
     SetBackground( tmp_brush );
+*/
+    tmp_brush = m_backgroundBrush;
+    m_backgroundBrush = wxNullBrush;
+    SetBackground( *wxWHITE_BRUSH );
+    m_backgroundBrush = tmp_brush;
   
     if (!hatch_bitmap) 
     {
@@ -1200,6 +1276,26 @@ void wxWindowDC::Destroy()
     m_bgGC = (GdkGC*) NULL;
 }
 
+void wxWindowDC::ComputeScaleAndOrigin()
+{
+    /* CMB: copy scale to see if it changes */
+    double origScaleX = m_scaleX;
+    double origScaleY = m_scaleY;
+
+    wxDC::ComputeScaleAndOrigin();
+
+    /* CMB: if scale has changed call SetPen to recalulate the line width */
+    if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
+        (m_pen.Ok()))
+    {
+      /* this is a bit artificial, but we need to force wxDC to think
+         the pen has changed */
+      wxPen pen = m_pen;
+      m_pen = wxNullPen;
+      SetPen( pen );
+  }
+}
+
 // Resolution in pixels per logical inch
 wxSize wxWindowDC::GetPPI() const
 {