X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a37d422a667124e4cb9c7413deda637d3b1926ec..00c813596e3eefdd028365acf9542355937e5531:/src/msw/app.cpp?ds=sidebyside

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 72d8437e63..31e9ddfc8a 100644
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -115,8 +115,7 @@
     #define _WIN32_IE 0x0200
 #endif
 
-#if _WIN32_IE >= 0x0300 \
-    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__)
     #include <shlwapi.h>
 #endif
 
@@ -125,7 +124,6 @@
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;
-extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;
 #ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);
@@ -296,7 +294,7 @@ bool wxApp::Initialize()
     wxRegisterPenWin();
 #endif
 
-    wxWinHandleList = new wxList(wxKEY_INTEGER);
+    wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
     // PLEASE DO NOT ALTER THIS.
@@ -455,6 +453,96 @@ bool wxApp::RegisterWindowClasses()
     return TRUE;
 }
 
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
+
+bool wxApp::UnregisterWindowClasses()
+{
+    bool retval = TRUE;
+
+    // frame window class.
+    if ( !UnregisterClass(wxFrameClassName, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(frame)"));
+
+        retval = FALSE;
+    }
+
+    // "no redraw" frame
+    if ( !UnregisterClass(wxFrameClassNameNoRedraw, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw frame)"));
+
+        return FALSE;
+    }
+
+    // MDI frame window class.
+    if ( !UnregisterClass(wxMDIFrameClassName, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(MDI parent)"));
+
+        retval = FALSE;
+    }
+
+    // "no redraw" MDI frame
+    if ( !UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));
+
+        retval = FALSE;
+    }
+
+    // MDI child frame window class.
+    if ( !UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(MDI child)"));
+
+        retval = FALSE;
+    }
+
+    // "no redraw" MDI child frame
+    if ( !UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));
+
+        retval = FALSE;
+    }
+
+    // panel window class.
+    if ( !UnregisterClass(wxPanelClassName, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(panel)"));
+
+        retval = FALSE;
+    }
+
+    // no redraw panel window class.
+    if ( !UnregisterClass(wxPanelClassNameNR, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw panel)"));
+
+        retval = FALSE;
+    }
+
+    // canvas and textsubwindow class name
+    if ( !UnregisterClass(wxCanvasClassName, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(canvas)"));
+
+        retval = FALSE;
+    }
+
+    if ( !UnregisterClass(wxCanvasClassNameNR, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw canvas)"));
+
+        retval = FALSE;
+    }
+
+    return retval;
+}
+
 // ---------------------------------------------------------------------------
 // Convert Windows to argc, argv style
 // ---------------------------------------------------------------------------
@@ -600,12 +688,19 @@ void wxApp::CleanUp()
     ::OleUninitialize();
 #endif
 
+#ifdef WXMAKINGDLL
+    // for an EXE the classes are unregistered when it terminates but DLL may
+    // be loaded several times (load/unload/load) into the same process in
+    // which case the registration will fail after the first time if we don't
+    // unregister the classes now
+    UnregisterWindowClasses();
+#endif // WXMAKINGDLL
+
 #if wxUSE_CTL3D
     Ctl3dUnregister(wxhInstance);
 #endif
 
-    if (wxWinHandleList)
-        delete wxWinHandleList;
+    delete wxWinHandleHash;
 
     // GL: I'm annoyed ... I don't know where to put this and I don't want to
     // create a module for that as it's part of the core.
@@ -1058,12 +1153,12 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
         // we need to find the dialog containing this control as
         // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
         // them) if we call it for the control itself
-        while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
         {
             hwnd = ::GetParent(hwnd);
         }
 
-        return ::IsDialogMessage(hwnd, msg) != 0;
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
     }
 
 #if wxUSE_TOOLTIPS
@@ -1338,20 +1433,26 @@ void wxExit()
 
 // Yield to incoming messages
 
-static bool gs_inYield = FALSE;
-
-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)
 {
+    // MT-FIXME
+    static bool s_inYield = FALSE;
+
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();
 
-#ifdef __WXDEBUG__
-    if (gs_inYield)
-        wxFAIL_MSG( wxT("wxYield called recursively" ) );
-#endif
+    if ( s_inYield )
+    {
+        if ( !onlyIfNeeded )
+        {
+            wxFAIL_MSG( wxT("wxYield called recursively" ) );
+        }
 
-    gs_inYield = TRUE;
+        return FALSE;
+    }
+
+    s_inYield = TRUE;
 
     // we don't want to process WM_QUIT from here - it should be processed in
     // the main event loop in order to stop it
@@ -1367,27 +1468,17 @@ bool wxYield()
             break;
     }
 
-    // If they are pending events, we must process them.
-    if (wxTheApp)
-        wxTheApp->ProcessPendingEvents();
+    // if there are pending events, we must process them.
+    ProcessPendingEvents();
 
     // let the logs be flashed again
     wxLog::Resume();
 
-    gs_inYield = FALSE;
+    s_inYield = FALSE;
 
     return TRUE;
 }
 
-// Yield to incoming messages; but fail silently if recursion is detected.
-bool wxYieldIfNeeded()
-{
-    if (gs_inYield)
-        return FALSE;
-
-    return wxYield();
-}
-
 bool wxHandleFatalExceptions(bool doit)
 {
 #if wxUSE_ON_FATAL_EXCEPTION
@@ -1396,9 +1487,9 @@ bool wxHandleFatalExceptions(bool doit)
 
     return TRUE;
 #else
-    wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
-	
-	(void)doit;
+    wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function"));
+
+    (void)doit;
     return FALSE;
 #endif
 }