X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff9b9665a2b0bdbdb1b6eb7347b478eb242f9f28..b356aa554a82f4d82f0c12abb83eb4656204fe7a:/src/msw/window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 1b6fced637..be4133f07f 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -151,16 +151,6 @@
     #define HAVE_TRACKMOUSEEVENT
 #endif // everything needed for TrackMouseEvent()
 
-// if this is set to 1, we use deferred window sizing to reduce flicker when
-// resizing complicated window hierarchies, but this can in theory result in
-// different behaviour than the old code so we keep the possibility to use it
-// by setting this to 0 (in the future this should be removed completely)
-#ifdef __WXWINCE__
-#define USE_DEFERRED_SIZING 0
-#else
-#define USE_DEFERRED_SIZING 1
-#endif
-
 // set this to 1 to filter out duplicate mouse events, e.g. mouse move events
 // when mouse position didnd't change
 #ifdef __WXWINCE__
@@ -423,7 +413,6 @@ wxCONSTRUCTOR_DUMMY(wxWindow)
 
 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
-    EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 #ifdef __WXWINCE__
     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 #endif
@@ -523,13 +512,15 @@ void wxWindowMSW::Init()
     m_lastKeydownProcessed = false;
 
     m_hWnd = 0;
-    m_hDWP = 0;
 
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 
+#if wxUSE_DEFERRED_SIZING
+    m_hDWP = 0;
     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;
+#endif // wxUSE_DEFERRED_SIZING
 
 #ifdef __POCKETPC__
     m_contextMenuEnabled = false;
@@ -1761,11 +1752,11 @@ void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
 
 bool wxWindowMSW::IsSizeDeferred() const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     if ( m_pendingPosition != wxDefaultPosition ||
          m_pendingSize     != wxDefaultSize )
         return true;
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     return false;
 }
@@ -1773,7 +1764,7 @@ bool wxWindowMSW::IsSizeDeferred() const
 // Get total size
 void wxWindowMSW::DoGetSize(int *x, int *y) const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // if SetSize() had been called at wx level but not realized at Windows
     // level yet (i.e. EndDeferWindowPos() not called), we still should return
     // the new and not the old position to the other wx code
@@ -1785,7 +1776,7 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
             *y = m_pendingSize.y;
     }
     else // use current size
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     {
         RECT rect = wxGetWindowRect(GetHwnd());
 
@@ -1799,7 +1790,7 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
 // Get size *available for subwindows* i.e. excluding menu bar etc.
 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     if ( m_pendingSize != wxDefaultSize )
     {
         // we need to calculate the client size corresponding to pending size
@@ -1817,7 +1808,7 @@ void wxWindowMSW::DoGetClientSize(int *x, int *y) const
             *y = rect.bottom - rect.top;
     }
     else
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     {
         RECT rect = wxGetClientRect(GetHwnd());
 
@@ -1918,7 +1909,7 @@ void wxWindowMSW::DoClientToScreen(int *x, int *y) const
 bool
 wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // if our parent had prepared a defer window handle for us, use it (unless
     // we are a top level window)
     wxWindowMSW * const parent = IsTopLevel() ? NULL : GetParent();
@@ -1948,13 +1939,13 @@ wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
     }
 
     // otherwise (or if deferring failed) move the window in place immediately
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     if ( !::MoveWindow((HWND)hwnd, x, y, width, height, IsShown()) )
     {
         wxLogLastError(wxT("MoveWindow"));
     }
 
-    // if USE_DEFERRED_SIZING, indicates that we didn't use deferred move,
+    // if wxUSE_DEFERRED_SIZING, indicates that we didn't use deferred move,
     // ignored otherwise
     return false;
 }
@@ -1970,7 +1961,7 @@ void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
 
     if ( DoMoveSibling(m_hWnd, x, y, width, height) )
     {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
         m_pendingPosition = wxPoint(x, y);
         m_pendingSize = wxSize(width, height);
     }
@@ -1978,7 +1969,7 @@ void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
     {
         m_pendingPosition = wxDefaultPosition;
         m_pendingSize = wxDefaultSize;
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     }
 }
 
@@ -2121,6 +2112,36 @@ void wxWindowMSW::DoSetClientSize(int width, int height)
     }
 }
 
+wxSize wxWindowMSW::DoGetBorderSize() const
+{
+    wxCoord border;
+    switch ( GetBorder() )
+    {
+        case wxBORDER_STATIC:
+        case wxBORDER_SIMPLE:
+            border = 1;
+            break;
+
+        case wxBORDER_SUNKEN:
+            border = 2;
+            break;
+
+        case wxBORDER_RAISED:
+        case wxBORDER_DOUBLE:
+            border = 3;
+            break;
+
+        default:
+            wxFAIL_MSG( _T("unknown border style") );
+            // fall through
+
+        case wxBORDER_NONE:
+            border = 0;
+    }
+
+    return 2*wxSize(border, border);
+}
+
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------
@@ -2141,10 +2162,11 @@ int wxWindowMSW::GetCharWidth() const
 #endif
 }
 
-void wxWindowMSW::GetTextExtent(const wxString& string,
-                             int *x, int *y,
-                             int *descent, int *externalLeading,
-                             const wxFont *fontToUse) const
+void wxWindowMSW::DoGetTextExtent(const wxString& string,
+                                  int *x, int *y,
+                                  int *descent,
+                                  int *externalLeading,
+                                  const wxFont *fontToUse) const
 {
     wxASSERT_MSG( !fontToUse || fontToUse->Ok(),
                     _T("invalid font in GetTextExtent()") );
@@ -4712,52 +4734,59 @@ void wxWindowMSW::OnPaint(wxPaintEvent& event)
 }
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
-{
-    wxDCTemp dc(hdc, GetClientSize());
-    wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();
-
-    impl->SetHDC(hdc);
-    impl->SetWindow((wxWindow *)this);
-
-    wxEraseEvent event(m_windowId, &dc);
-    event.SetEventObject(this);
-    bool rc = HandleWindowEvent(event);
-
-    // must be called manually as ~wxDC doesn't do anything for wxDCTemp
-    impl->SelectOldObjects(hdc);
-
-    return rc;
-}
-
-void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
 {
     // standard non top level controls (i.e. except the dialogs) always erase
     // their background themselves in HandleCtlColor() or have some control-
     // specific ways to set the colours (common controls)
     if ( IsOfStandardClass() && !IsTopLevel() )
-    {
-        event.Skip();
-        return;
-    }
+        return false;
 
-    if ( GetBackgroundStyle() == wxBG_STYLE_CUSTOM )
+    switch ( GetBackgroundStyle() )
     {
-        // don't skip the event here, custom background means that the app
-        // is drawing it itself in its OnPaint(), so don't draw it at all
-        // now to avoid flicker
-        return;
-    }
+        case wxBG_STYLE_ERASE:
+            // we need to generate an erase background event
+            {
+                wxDCTemp dc(hdc, GetClientSize());
+                wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();
 
-    wxDC *dc = event.GetDC();
-    if (!dc) return;
-    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc->GetImpl();
+                impl->SetHDC(hdc);
+                impl->SetWindow((wxWindow *)this);
 
-    // do default background painting
-    if ( !DoEraseBackground(GetHdcOf(*impl)) )
-    {
-        // let the system paint the background
-        event.Skip();
+                wxEraseEvent event(m_windowId, &dc);
+                event.SetEventObject(this);
+                bool rc = HandleWindowEvent(event);
+
+                // must be called manually as ~wxDC doesn't do anything for
+                // wxDCTemp
+                impl->SelectOldObjects(hdc);
+
+                if ( rc )
+                {
+                    // background erase by the user-defined handler
+                    return true;
+                }
+            }
+            // fall through
+
+        case wxBG_STYLE_SYSTEM:
+            if ( !DoEraseBackground(hdc) )
+            {
+                // let the default processing to take place if we didn't erase
+                // the background ourselves
+                return false;
+            }
+            break;
+
+        case wxBG_STYLE_PAINT:
+            // no need to do anything here at all, background will be entirely
+            // redrawn in WM_PAINT handler
+            break;
+
+        default:
+            wxFAIL_MSG( "unknown background style" );
     }
+
+    return true;
 }
 
 bool wxWindowMSW::DoEraseBackground(WXHDC hDC)
@@ -4914,7 +4943,7 @@ bool wxWindowMSW::HandleExitSizeMove()
 
 bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // when we resize this window, its children are probably going to be
     // repositioned as well, prepare to use DeferWindowPos() for them
     int numChildren = 0;
@@ -4941,7 +4970,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
                 useDefer = true;
         }
     }
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     // update this window size
     bool processed = false;
@@ -4974,7 +5003,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
             processed = HandleWindowEvent(event);
     }
 
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // and finally change the positions of all child windows at once
     if ( useDefer && m_hDWP )
     {
@@ -4996,12 +5025,11 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
               node;
               node = node->GetNext() )
         {
-            wxWindowMSW *child = node->GetData();
-            child->m_pendingPosition = wxDefaultPosition;
-            child->m_pendingSize = wxDefaultSize;
+            wxWindowMSW * const child = node->GetData();
+            child->MSWEndDeferWindowPos();
         }
     }
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     return processed;
 }