X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7e2baeb41321aedca928608f816f03c13afdeff9..af717fa87a47084b4faa3d6e5dcabc6cdf3ff36f:/src/dfb/dcclient.cpp

diff --git a/src/dfb/dcclient.cpp b/src/dfb/dcclient.cpp
index 1d1354843e..a10dd02b9e 100644
--- a/src/dfb/dcclient.cpp
+++ b/src/dfb/dcclient.cpp
@@ -27,6 +27,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/window.h"
+    #include "wx/nonownedwnd.h"
 #endif
 
 #include "wx/dfb/private.h"
@@ -45,7 +46,7 @@
 // boundaries ("hidden behind its borders"), recursively:
 static wxRect GetUncoveredWindowArea(wxWindow *win)
 {
-    wxRect r(win->GetRect());
+    wxRect r(win->GetSize());
 
     if ( win->IsTopLevel() )
         return r;
@@ -58,6 +59,11 @@ static wxRect GetUncoveredWindowArea(wxWindow *win)
     // coordinates; this will remove parts of 'r' that are outside of the
     // parent's area:
     wxRect rp(GetUncoveredWindowArea(parent));
+
+    // normal windows cannot extend out of its parent's client area:
+    if ( !win->CanBeOutsideClientArea() )
+        rp.Intersect(parent->GetClientRect());
+
     rp.Offset(-win->GetPosition());
     rp.Offset(-parent->GetClientAreaOrigin());
     r.Intersect(rp);
@@ -74,6 +80,11 @@ wxIDirectFBSurfacePtr CreateDummySurface(wxWindow *win, const wxRect *rect)
     wxLogTrace(TRACE_PAINT, _T("%p ('%s'): creating dummy DC surface"),
                win, win->GetName().c_str());
     wxSize size(rect ? rect->GetSize() : win->GetSize());
+
+    // we can't create a surface of 0 size but the size of the window may be 0,
+    // so ensure that we have at least a single pixel to draw on
+    size.IncTo(wxSize(1, 1));
+
     return win->GetDfbSurface()->CreateCompatible
            (
              size,
@@ -96,6 +107,8 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
 {
     wxCHECK_RET( win, _T("invalid window") );
 
+    m_win = win;
+
     // obtain the surface used for painting:
     wxPoint origin;
     wxIDirectFBSurfacePtr surface;
@@ -154,6 +167,7 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
     }
     else
     {
+        m_winRect = r;
         DFBRectangle dfbrect = { r.x, r.y, r.width, r.height };
         surface = win->GetDfbSurface()->GetSubSurface(&dfbrect);
 
@@ -176,7 +190,7 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
                r.x, r.y, r.GetRight(), r.GetBottom(),
                origin.x, origin.y);
 
-    Init(surface);
+    DFBInit(surface);
     SetFont(win->GetFont());
 
     // offset coordinates to account for subsurface's origin coordinates:
@@ -195,6 +209,10 @@ wxWindowDC::~wxWindowDC()
 
     if ( m_shouldFlip )
     {
+        // paint overlays on top of the surface being drawn to by this DC
+        // before showing anything on the screen:
+        m_win->PaintOverlays(m_winRect);
+
         DFBSurfaceCapabilities caps = DSCAPS_NONE;
         surface->GetCapabilities(&caps);
         if ( caps & DSCAPS_DOUBLE )