Committing in .

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 7ad291e9d9b5e8a4c6d28dd6ce5365380fabf783..31e9ddfc8a7ff6889490e45e18f6a99903ce41cf 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -115,7 +115,7 @@
     #define _WIN32_IE 0x0200
 #endif
 
     #define _WIN32_IE 0x0200
 #endif
 

-#if _WIN32_IE >= 0x0300
+#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__)

     #include <shlwapi.h>
 #endif
 
     #include <shlwapi.h>
 #endif
 


@@ -124,7 +124,6 @@
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;

-extern wxList *wxWinHandleList;

 extern wxList WXDLLEXPORT wxPendingDelete;
 #ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);
 extern wxList WXDLLEXPORT wxPendingDelete;
 #ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);


@@ -242,7 +241,7 @@ bool wxApp::Initialize()
     InitCommonControls();
 #endif // __WIN95__
 
     InitCommonControls();
 #endif // __WIN95__
 

-#if wxUSE_OLE || wxUSE_DRAG_AND_DROP || wxUSE_DATAOBJ
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP

 
 #ifdef __WIN16__
     // for OLE, enlarge message queue to be as large as possible
 
 #ifdef __WIN16__
     // for OLE, enlarge message queue to be as large as possible


@@ -250,6 +249,7 @@ bool wxApp::Initialize()
     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
         ;
 #endif // Win16
     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
         ;
 #endif // Win16

+

     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
         wxLogError(_("Cannot initialize OLE"));
     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
         wxLogError(_("Cannot initialize OLE"));


@@ -294,7 +294,7 @@ bool wxApp::Initialize()
     wxRegisterPenWin();
 #endif
 
     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.
 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
     // PLEASE DO NOT ALTER THIS.


@@ -453,6 +453,96 @@ bool wxApp::RegisterWindowClasses()
     return TRUE;
 }
 
     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
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // Convert Windows to argc, argv style
 // ---------------------------------------------------------------------------


@@ -598,12 +688,19 @@ void wxApp::CleanUp()
     ::OleUninitialize();
 #endif
 
     ::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 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.
 
     // 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.


@@ -717,7 +814,7 @@ int wxEntry(WXHINSTANCE hInstance,
             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 
             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 

-            wxTheApp = (*wxApp::GetInitializerFunction()) ();
+            wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();

         }
 
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
         }
 
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );


@@ -1045,13 +1142,29 @@ void wxApp::Dispatch()
 bool wxApp::ProcessMessage(WXMSG *wxmsg)
 {
     MSG *msg = (MSG *)wxmsg;
 bool wxApp::ProcessMessage(WXMSG *wxmsg)
 {
     MSG *msg = (MSG *)wxmsg;

-    HWND hWnd = msg->hwnd;
-    wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd);
+    HWND hwnd = msg->hwnd;
+    wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+    // this may happen if the event occured in a standard modeless dialog (the
+    // only example of which I know of is the find/replace dialog) - then call
+    // IsDialogMessage() to make TAB navigation in it work
+    if ( !wndThis )
+    {
+        // 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 ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        {
+            hwnd = ::GetParent(hwnd);
+        }
+
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+    }

 
 #if wxUSE_TOOLTIPS
     // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
     // popup the tooltip bubbles
 
 #if wxUSE_TOOLTIPS
     // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
     // popup the tooltip bubbles

-    if ( wndThis && (msg->message == WM_MOUSEMOVE) )
+    if ( (msg->message == WM_MOUSEMOVE) )

     {
         wxToolTip *tt = wndThis->GetToolTip();
         if ( tt )
     {
         wxToolTip *tt = wndThis->GetToolTip();
         if ( tt )


@@ -1061,25 +1174,39 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
     }
 #endif // wxUSE_TOOLTIPS
 
     }
 #endif // wxUSE_TOOLTIPS
 

-    // Try translations first; find the youngest window with
-    // a translation table.
+    // allow the window to prevent certain messages from being
+    // translated/processed (this is currently used by wxTextCtrl to always
+    // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+    if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
+    {
+        return FALSE;
+    }
+
+    // try translations first: the accelerators override everything

     wxWindow *wnd;
 
     wxWindow *wnd;
 

-    bool pastTopLevelWindow = FALSE;

     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {

-        if ( !pastTopLevelWindow && wnd->MSWTranslateMessage(wxmsg))
-            return TRUE;
-        if ( wnd->MSWProcessMessage(wxmsg) )
+        if ( wnd->MSWTranslateMessage(wxmsg))

             return TRUE;
 
         // stop at first top level window, i.e. don't try to process the key
         // strokes originating in a dialog using the accelerators of the parent
         // frame - this doesn't make much sense
         if ( wnd->IsTopLevel() )
             return TRUE;
 
         // stop at first top level window, i.e. don't try to process the key
         // strokes originating in a dialog using the accelerators of the parent
         // frame - this doesn't make much sense
         if ( wnd->IsTopLevel() )

-            pastTopLevelWindow = TRUE;
+            break;
+    }
+
+    // now try the other hooks (kbd navigation is handled here): we start from
+    // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+    // called above
+    for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
+    {
+        if ( wnd->MSWProcessMessage(wxmsg) )
+            return TRUE;

     }
 
     }
 

+    // no special preprocessing for this message, dispatch it normally

     return FALSE;
 }
 
     return FALSE;
 }
 


@@ -1110,6 +1237,14 @@ void wxApp::OnIdle(wxIdleEvent& event)
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 

+#if wxUSE_DC_CACHEING
+    // automated DC cache management: clear the cached DCs and bitmap
+    // if it's likely that the app has finished with them, that is, we
+    // get an idle event and we're not dragging anything.
+    if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+        wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+

     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
     {
     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
     {


@@ -1298,20 +1433,26 @@ void wxExit()
 
 // Yield to incoming messages
 
 
 // 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();
 
     // 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" ) );
+        }
+
+        return FALSE;
+    }

 
 

-    gs_inYield = TRUE;
+    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
 
     // we don't want to process WM_QUIT from here - it should be processed in
     // the main event loop in order to stop it


@@ -1327,27 +1468,17 @@ bool wxYield()
             break;
     }
 
             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();
 
 
     // let the logs be flashed again
     wxLog::Resume();
 

-    gs_inYield = FALSE;
+    s_inYield = FALSE;

 
     return TRUE;
 }
 
 
     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
 bool wxHandleFatalExceptions(bool doit)
 {
 #if wxUSE_ON_FATAL_EXCEPTION


@@ -1356,9 +1487,9 @@ bool wxHandleFatalExceptions(bool doit)
 
     return TRUE;
 #else
 
     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
 }
     return FALSE;
 #endif
 }