X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/89efaf2b6595e59af618556d7e79492cab50c73c..c0c05e79b20d6ca372ece6ac5995b0e3db18a29b:/src/gtk/dcclient.cpp?ds=sidebyside

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 71c77849b5..0ac7173e3d 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 ) :
@@ -259,34 +259,35 @@ 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;
+    m_gdkwindow = window->GTKGetDrawingWindow();
 
     // 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") );
+        m_gdkwindow = widget->window;
+        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 );
 
-    m_gdkwindow = widget->window;
-
     // Window not realized ?
     if (!m_gdkwindow)
     {
@@ -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();
 
@@ -410,15 +411,15 @@ 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
 {
-    wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+    wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
 
     m_window->GetSize(width, height);
 }
@@ -1058,8 +1059,11 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
     const int w = bitmap.GetWidth();
     const int h = bitmap.GetHeight();
 
+    // notice that as the bitmap is not drawn upside down (or right to left)
+    // even if the corresponding axis direction is inversed, we need to take it
+    // into account when calculating its bounding box
     CalcBoundingBox(x, y);
-    CalcBoundingBox(x + w, y + h);
+    CalcBoundingBox(x + m_signX*w, y + m_signY*h);
 
     // device coords
     int xx = LogicalToDeviceX(x);
@@ -1334,7 +1338,9 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
     return true;
 }
 
-void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
+void wxWindowDCImpl::DoDrawText(const wxString& text,
+                                wxCoord xLogical,
+                                wxCoord yLogical)
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
@@ -1342,8 +1348,8 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 
     if (text.empty()) return;
 
-    x = XLOG2DEV(x);
-    y = YLOG2DEV(y);
+    wxCoord x = XLOG2DEV(xLogical),
+            y = YLOG2DEV(yLogical);
 
     wxCHECK_RET( m_context, wxT("no Pango context") );
     wxCHECK_RET( m_layout, wxT("no Pango layout") );
@@ -1458,8 +1464,8 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         pango_layout_set_attributes(m_layout, NULL);
     }
 
-    CalcBoundingBox(x + int(w / m_scaleX), y + int(h / m_scaleY));
-    CalcBoundingBox(x, y);
+    CalcBoundingBox(xLogical + int(w / m_scaleX), yLogical + int(h / m_scaleY));
+    CalcBoundingBox(xLogical, yLogical);
 }
 
 // TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to
@@ -1777,10 +1783,10 @@ wxCoord wxWindowDCImpl::GetCharWidth() const
 wxCoord wxWindowDCImpl::GetCharHeight() const
 {
     PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
-    wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") );
+    wxCHECK_MSG( metrics, -1, wxT("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;
 }
@@ -1812,7 +1818,7 @@ 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,
@@ -1904,7 +1910,7 @@ 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;
     }
@@ -2080,6 +2086,9 @@ void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
         case wxNO_OP:        mode = GDK_NOOP;          break;
         case wxSRC_INVERT:   mode = GDK_COPY_INVERT;   break;
         case wxNOR:          mode = GDK_NOR;           break;
+        default:
+            wxFAIL_MSG("unknown mode");
+            return;
     }
 
     m_logicalFunction = function;
@@ -2223,13 +2232,13 @@ 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 )
@@ -2295,7 +2304,7 @@ wxClientDCImpl::wxClientDCImpl( wxDC *owner )
 wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
           : wxWindowDCImpl( owner, win )
 {
-    wxCHECK_RET( win, _T("NULL window in wxClientDCImpl::wxClientDC") );
+    wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDC") );
 
 #ifdef __WXUNIVERSAL__
     wxPoint ptOrigin = win->GetClientAreaOrigin();
@@ -2308,7 +2317,7 @@ wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
 
 void wxClientDCImpl::DoGetSize(int *width, int *height) const
 {
-    wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+    wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
 
     m_window->GetClientSize( width, height );
 }