X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a909ef16ad346c40e478593a23113b20fa0ad88e..b85b06e13d22e7fc1604ec1a49caa1227a1b3d36:/src/gtk/dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 943b9b3b02..234a38f278 100644
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/gtk/dcclient.cpp
-// Purpose:
+// Purpose:     wxWindowDCImpl implementation
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling, Chris Breeze
@@ -216,7 +216,7 @@ static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
     // The realloc failed.  Fall through to error.
     wxFAIL_MSG( wxT("No GC available") );
 
-    return (GdkGC*) NULL;
+    return NULL;
 }
 
 static void wxFreePoolGC( GdkGC *gc )
@@ -242,16 +242,16 @@ IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxGTKDCImpl)
 wxWindowDCImpl::wxWindowDCImpl( wxDC *owner ) :
    wxGTKDCImpl( owner )
 {
-    m_gdkwindow = (GdkWindow*) NULL;
-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
     m_isScreenDC = false;
-    m_context = (PangoContext *)NULL;
-    m_layout = (PangoLayout *)NULL;
-    m_fontdesc = (PangoFontDescription *)NULL;
+    m_context = NULL;
+    m_layout = NULL;
+    m_fontdesc = NULL;
 }
 
 wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
@@ -259,29 +259,30 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
 {
     wxASSERT_MSG( window, wxT("DC needs a window") );
 
-    m_gdkwindow = (GdkWindow*) NULL;
-    m_penGC = (GdkGC *) NULL;
-    m_brushGC = (GdkGC *) NULL;
-    m_textGC = (GdkGC *) NULL;
-    m_bgGC = (GdkGC *) NULL;
-    m_cmap = (GdkColormap *) NULL;
+    m_gdkwindow = NULL;
+    m_penGC = NULL;
+    m_brushGC = NULL;
+    m_textGC = NULL;
+    m_bgGC = NULL;
+    m_cmap = NULL;
     m_isScreenDC = false;
     m_font = window->GetFont();
 
     GtkWidget *widget = window->m_wxwindow;
 
     // Some controls don't have m_wxwindow - like wxStaticBox, but the user
-    // code should still be able to create wxClientDCs for them, so we will
-    // use the parent window here then.
+    // code should still be able to create wxClientDCs for them
     if ( !widget )
     {
-        window = window->GetParent();
-        widget = window->m_wxwindow;
-    }
+        widget = window->m_widget;
+
+        wxCHECK_RET(widget, "DC needs a widget");
 
-    wxASSERT_MSG( widget, wxT("DC needs a widget") );
+        if (GTK_WIDGET_NO_WINDOW(widget))
+            SetDeviceLocalOrigin(widget->allocation.x, widget->allocation.y);
+    }
 
-    m_context = window->GtkGetPangoDefaultContext();
+    m_context = window->GTKGetPangoDefaultContext();
     m_layout = pango_layout_new( m_context );
     m_fontdesc = pango_font_description_copy( widget->style->font_desc );
 
@@ -296,7 +297,7 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
          return;
     }
 
-    m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
+    m_cmap = gtk_widget_get_colormap(widget);
 
     SetUpDC();
 
@@ -309,7 +310,7 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
 
     m_window = window;
 
-    if (m_window && m_window->m_wxwindow && 
+    if (m_window && m_window->m_wxwindow &&
         (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
     {
         // reverse sense
@@ -351,7 +352,7 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
     }
 
     if (!done)
-    {    
+    {
         if (m_isScreenDC)
         {
             m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_SCREEN );
@@ -410,10 +411,10 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
     gdk_gc_set_function( m_penGC, GDK_COPY );
 
     /* clipping */
-    gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
-    gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+    gdk_gc_set_clip_rectangle( m_penGC, NULL );
+    gdk_gc_set_clip_rectangle( m_brushGC, NULL );
+    gdk_gc_set_clip_rectangle( m_textGC, NULL );
+    gdk_gc_set_clip_rectangle( m_bgGC, NULL );
 }
 
 void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
@@ -424,11 +425,11 @@ void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
 }
 
 bool wxWindowDCImpl::DoFloodFill(wxCoord x, wxCoord y,
-                             const wxColour& col, int style)
+                                 const wxColour& col, wxFloodFillStyle style)
 {
 #if wxUSE_IMAGE
     extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
-                              const wxColour & col, int style);
+                              const wxColour & col, wxFloodFillStyle style);
 
     return wxDoFloodFill( GetOwner(), x, y, col, style);
 #else
@@ -475,7 +476,7 @@ bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
-    
+
     if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         if (m_gdkwindow)
@@ -698,7 +699,9 @@ void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCo
         delete[] gpts;
 }
 
-void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[],
+                                    wxCoord xoffset, wxCoord yoffset,
+                                    wxPolygonFillMode WXUNUSED(fillStyle) )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
@@ -1158,7 +1161,7 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
                          wxCoord width, wxCoord height,
                          wxDC *source,
                          wxCoord xsrc, wxCoord ysrc,
-                         int logical_func,
+                         wxRasterOperationMode logical_func,
                          bool useMask,
                          wxCoord xsrcMask, wxCoord ysrcMask )
 {
@@ -1299,7 +1302,7 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
         src_y = 0;
     }
 
-    const int logical_func_save = m_logicalFunction;
+    const wxRasterOperationMode logical_func_save = m_logicalFunction;
     SetLogicalFunction(logical_func);
     if (memDC == NULL)
         gdk_gc_set_subwindow(use_gc, GDK_INCLUDE_INFERIORS);
@@ -1437,9 +1440,9 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         x_rtl -= w;
 
     const GdkColor* bg_col = NULL;
-    if (m_backgroundMode == wxBRUSHSTYLE_SOLID) 
+    if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
         bg_col = m_textBackgroundColour.GetColor();
- 
+
     gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x_rtl, y, m_layout, NULL, bg_col);
 
     if (isScaled)
@@ -1460,7 +1463,7 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     CalcBoundingBox(x, y);
 }
 
-// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to 
+// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to
 // avoid code duplication
 void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
 {
@@ -1506,7 +1509,7 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord
         pango_layout_get_pixel_size(m_layout, &w, &h);
 
         const GdkColor* bg_col = NULL;
-        if (m_backgroundMode == wxBRUSHSTYLE_SOLID) 
+        if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
             bg_col = m_textBackgroundColour.GetColor();
 
         // rotate the text
@@ -1515,13 +1518,13 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord
         pango_context_set_matrix (m_context, &matrix);
         pango_layout_context_changed (m_layout);
 
-        // To be compatible with MSW, the rotation axis must be in the old 
+        // To be compatible with MSW, the rotation axis must be in the old
         // top-left corner.
-        // Calculate the vertices of the rotated rectangle containing the text, 
+        // Calculate the vertices of the rotated rectangle containing the text,
         // relative to the old top-left vertex.
-        // We could use the matrix for this, but it's simpler with trignonometry. 
+        // We could use the matrix for this, but it's simpler with trignonometry.
         double rad = DegToRad(angle);
-        // the rectangle vertices are counted clockwise with the first one 
+        // the rectangle vertices are counted clockwise with the first one
         // being at (0, 0)
         double x2 = w * cos(rad);
         double y2 = -w * sin(rad);   // y axis points to the bottom, hence minus
@@ -1535,7 +1538,7 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord
                 minX = (wxCoord)(dmin(dmin(0, x2), dmin(x3, x4)) - 0.5),
                 minY = (wxCoord)(dmin(dmin(0, y2), dmin(y3, y4)) - 0.5);
 
-        gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY, 
+        gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY,
                                     m_layout, NULL, bg_col);
 
         if (m_font.GetUnderlined())
@@ -1778,7 +1781,7 @@ wxCoord wxWindowDCImpl::GetCharHeight() const
     wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") );
 
     wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
-                pango_font_metrics_get_ascent (metrics));
+                              pango_font_metrics_get_ascent (metrics));
     pango_font_metrics_unref (metrics);
     return h;
 }
@@ -1810,7 +1813,7 @@ void wxWindowDCImpl::SetFont( const wxFont &font )
         {
             PangoContext *oldContext = m_context;
 
-            m_context = m_window->GtkGetPangoDefaultContext();
+            m_context = m_window->GTKGetPangoDefaultContext();
 
             // If we switch back/forth between different contexts
             // we also have to create a new layout. I think so,
@@ -1902,7 +1905,7 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
         case wxPENSTYLE_SOLID:
         default:
             lineStyle = GDK_LINE_SOLID;
-            req_dash = (wxGTKDash*)NULL;
+            req_dash = NULL;
             req_nb_dash = 0;
             break;
     }
@@ -2048,7 +2051,7 @@ void wxWindowDCImpl::SetBackground( const wxBrush &brush )
     }
 }
 
-void wxWindowDCImpl::SetLogicalFunction( int function )
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
@@ -2079,8 +2082,8 @@ void wxWindowDCImpl::SetLogicalFunction( int function )
         case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
         case wxNOR:          mode = GDK_NOR;           break;
         default:
-           wxFAIL_MSG( wxT("unsupported logical function") );
-           mode = GDK_COPY;
+            wxFAIL_MSG("unknown mode");
+            return;
     }
 
     m_logicalFunction = function;
@@ -2154,7 +2157,7 @@ void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, w
     rect.width = XLOG2DEVREL(width);
     rect.height = YLOG2DEVREL(height);
 
-    if (m_window && m_window->m_wxwindow && 
+    if (m_window && m_window->m_wxwindow &&
         (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
     {
         rect.x -= rect.width;
@@ -2224,13 +2227,13 @@ void wxWindowDCImpl::DestroyClippingRegion()
 void wxWindowDCImpl::Destroy()
 {
     if (m_penGC) wxFreePoolGC( m_penGC );
-    m_penGC = (GdkGC*) NULL;
+    m_penGC = NULL;
     if (m_brushGC) wxFreePoolGC( m_brushGC );
-    m_brushGC = (GdkGC*) NULL;
+    m_brushGC = NULL;
     if (m_textGC) wxFreePoolGC( m_textGC );
-    m_textGC = (GdkGC*) NULL;
+    m_textGC = NULL;
     if (m_bgGC) wxFreePoolGC( m_bgGC );
-    m_bgGC = (GdkGC*) NULL;
+    m_bgGC = NULL;
 }
 
 void wxWindowDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )
@@ -2246,7 +2249,7 @@ void wxWindowDCImpl::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
     m_signX = (xLeftRight ?  1 : -1);
     m_signY = (yBottomUp  ? -1 :  1);
 
-    if (m_window && m_window->m_wxwindow && 
+    if (m_window && m_window->m_wxwindow &&
         (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
         m_signX = -m_signX;
 
@@ -2303,7 +2306,7 @@ wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
     SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
     wxSize size = win->GetClientSize();
     DoSetClippingRegion(0, 0, size.x, size.y);
-#endif 
+#endif
     // __WXUNIVERSAL__
 }
 
@@ -2369,7 +2372,7 @@ wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *win )
         gdk_gc_set_clip_region( m_textGC, region );
         gdk_gc_set_clip_region( m_bgGC, region );
     }
-#endif 
+#endif
 }
 
 // ----------------------------------------------------------------------------