fix bug with wxCSConv("ASCII")

[wxWidgets.git] / src / msw / window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 2fb78f4a7c4f36315c0beefb7c5a1846afcf74be..7dfd87df9935a76de35ab6a37d3354550f495bf6 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -871,7 +871,11 @@ bool wxWindowMSW::SetFont(const wxFont& font)
     HWND hWnd = GetHwnd();
     if ( hWnd != 0 )
     {
-        WXHANDLE hFont = m_font.GetResourceHandle();
+        // note the use of GetFont() instead of m_font: our own font could have
+        // just been reset and in this case we need to change the font used by
+        // the native window to the default for this class, i.e. exactly what
+        // GetFont() returns
+        WXHANDLE hFont = GetFont().GetResourceHandle();
 
         wxASSERT_MSG( hFont, wxT("should have valid font") );
 
@@ -3669,6 +3673,12 @@ bool wxWindowMSW::MSWCreate(const wxChar *wclass,
                             WXDWORD style,
                             WXDWORD extendedStyle)
 {
+    // check a common bug in the user code: if the window is created with a
+    // non-default ctor and Create() is called too, we'd create 2 HWND for a
+    // single wxWindow object and this results in all sorts of trouble,
+    // especially for wxTLWs
+    wxCHECK_MSG( !m_hWnd, true, "window can't be recreated" );
+
     // choose the position/size for the new window
     int x, y, w, h;
     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
@@ -4251,17 +4261,32 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
 
 bool wxWindowMSW::IsDoubleBuffered() const
 {
-    for ( const wxWindowMSW *wnd = this;
-          wnd && !wnd->IsTopLevel(); wnd =
-          wnd->GetParent() )
-    {
-        if ( ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE) & WS_EX_COMPOSITED )
+    const wxWindowMSW *wnd = this;
+    do {
+        long style = ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE);
+        if ( (style & WS_EX_COMPOSITED) != 0 )
             return true;
-    }
-
+        wnd = wnd->GetParent();
+    } while ( wnd && !wnd->IsTopLevel() );
+        
     return false;
 }
 
+void wxWindowMSW::SetDoubleBuffered(bool on)
+{
+    // Get the current extended style bits
+    long exstyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+
+    // Twiddle the bit as needed
+    if ( on )
+        exstyle |= WS_EX_COMPOSITED;
+    else
+        exstyle &= ~WS_EX_COMPOSITED;
+
+    // put it back
+    ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle);
+}
+
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
@@ -5072,12 +5097,8 @@ bool wxWindowMSW::HandleCommand(WXWORD id_, WXWORD cmd, WXHWND control)
     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
     if ( !control )
     {
-        // If no child window, it may be an accelerator, e.g. for a popup menu
-        // command
-
-        wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
+        wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
         event.SetEventObject(this);
-        event.SetId(id);
         event.SetInt(id);
 
         return HandleWindowEvent(event);
@@ -5614,18 +5635,19 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
     return wxNOT_FOUND;
 }
 
-bool wxWindowMSW::HandleClipboardEvent( WXUINT nMsg )
+#endif // wxUSE_MENUS
+
+bool wxWindowMSW::HandleClipboardEvent(WXUINT nMsg)
 {
-    const wxEventType type = ( nMsg == WM_CUT ) ? wxEVT_COMMAND_TEXT_CUT :
-                             ( nMsg == WM_COPY ) ? wxEVT_COMMAND_TEXT_COPY :
-                           /*( nMsg == WM_PASTE ) ? */ wxEVT_COMMAND_TEXT_PASTE;
+    const wxEventType type = nMsg == WM_CUT       ? wxEVT_COMMAND_TEXT_CUT
+                           : nMsg == WM_COPY      ? wxEVT_COMMAND_TEXT_COPY
+                           : /* nMsg == WM_PASTE */ wxEVT_COMMAND_TEXT_PASTE;
     wxClipboardTextEvent evt(type, GetId());
 
     evt.SetEventObject(this);
 
     return HandleWindowEvent(evt);
 }
-#endif // wxUSE_MENUS
 
 // ---------------------------------------------------------------------------
 // joystick