X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/99ea81de15a61bad684757f747bbd522246aaad6..f7d8cefd72ea2b213af5a4a6f8b2fc41d350c9a5:/src/msw/toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index faa55fe617..1739212116 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -78,17 +78,6 @@ static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
 LONG APIENTRY _EXPORT
 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
 
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-// the name of the default wxWidgets class
-#ifdef __WXWINCE__
-extern       wxChar *wxCanvasClassName;
-#else
-extern const wxChar *wxCanvasClassName;
-#endif
-
 // ----------------------------------------------------------------------------
 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
 // module to ensure that the window is always deleted)
@@ -139,7 +128,7 @@ void wxTopLevelWindowMSW::Init()
     m_fsIsMaximized = false;
     m_fsIsShowing = false;
 
-    m_winLastFocused = (wxWindow *)NULL;
+    m_winLastFocused = NULL;
 
 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
     m_MenuBarHWND = 0;
@@ -494,7 +483,8 @@ bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
         exflags |= WS_EX_LAYOUTRTL;
 #endif
 
-    return MSWCreate(wxCanvasClassName, title.wx_str(), pos, sz, flags, exflags);
+    return MSWCreate(MSWGetRegisteredClassName(),
+                     title.wx_str(), pos, sz, flags, exflags);
 }
 
 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
@@ -609,6 +599,8 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 
 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 {
+    SendDestroyEvent();
+
 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
     delete info;
@@ -972,7 +964,7 @@ wxString wxTopLevelWindowMSW::GetTitle() const
     return GetLabel();
 }
 
-void wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
+bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
                                              int smX,
                                              int smY,
                                              int i)
@@ -983,15 +975,29 @@ void wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
     if ( icon.Ok() )
     {
         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
+        return true;
     }
+
+    return false;
 }
 
 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 {
     wxTopLevelWindowBase::SetIcons(icons);
 
-    DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
-    DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG);
+    if ( icons.IsEmpty() )
+    {
+        // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
+        //        but we currently don't do that
+        wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
+        return;
+    }
+
+    if ( !DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL) &&
+            !DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
+    {
+        wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
+    }
 }
 
 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
@@ -1131,15 +1137,23 @@ bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
 {
 #if wxUSE_DYNLIB_CLASS
     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
-    static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL;
+    static PSETLAYEREDWINDOWATTR
+        pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
 
-    if ( pSetLayeredWindowAttributes == NULL )
+    if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
     {
         wxDynamicLibrary dllUser32(_T("user32.dll"));
+
+        // use RawGetSymbol() and not GetSymbol() to avoid error messages under
+        // Windows 95: there is nothing the user can do about this anyhow
         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
-            dllUser32.GetSymbol(wxT("SetLayeredWindowAttributes"));
+            dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
+
+        // it's ok to destroy dllUser32 here, we link statically to user32.dll
+        // anyhow so it won't be unloaded
     }
-    if ( pSetLayeredWindowAttributes == NULL )
+
+    if ( !pSetLayeredWindowAttributes )
         return false;
 #endif // wxUSE_DYNLIB_CLASS