Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index ed4d7367887739ba8cb9c71fb08307ef66151cdd..3adeae2cb4a2f40099f74757021bedf12b638efd 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -86,11 +86,13 @@
 #include <string.h>
 #include <ctype.h>
 
 #include <string.h>
 #include <ctype.h>
 

-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))

     #include <commctrl.h>
 #endif
 
     #include <commctrl.h>
 #endif
 

+#ifndef __WXMICROWIN__

 #include "wx/msw/msvcrt.h"
 #include "wx/msw/msvcrt.h"

+#endif

 
 // ----------------------------------------------------------------------------
 // conditional compilation
 
 // ----------------------------------------------------------------------------
 // conditional compilation


@@ -124,7 +126,9 @@
 extern wxChar *wxBuffer;
 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;
 extern wxChar *wxBuffer;
 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;

+#ifndef __WXMICROWIN__

 extern void wxSetKeyboardHook(bool doIt);
 extern void wxSetKeyboardHook(bool doIt);

+#endif

 
 MSG s_currentMsg;
 wxApp *wxTheApp = NULL;
 
 MSG s_currentMsg;
 wxApp *wxTheApp = NULL;


@@ -234,12 +238,11 @@ bool wxApp::Initialize()
 
     wxBitmap::InitStandardHandlers();
 
 
     wxBitmap::InitStandardHandlers();
 

-#if defined(__WIN95__)
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)

     InitCommonControls();
     InitCommonControls();

-

 #endif // __WIN95__
 
 #endif // __WIN95__
 

-#if wxUSE_OLE
+#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


@@ -247,9 +250,11 @@ 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"));

+

 #endif // wxUSE_OLE
 
 #if wxUSE_CTL3D
 #endif // wxUSE_OLE
 
 #if wxUSE_CTL3D


@@ -257,7 +262,7 @@ bool wxApp::Initialize()
         wxLogError(wxT("Cannot register CTL3D"));
 
     Ctl3dAutoSubclass(wxhInstance);
         wxLogError(wxT("Cannot register CTL3D"));
 
     Ctl3dAutoSubclass(wxhInstance);

-#endif
+#endif // wxUSE_CTL3D

 
     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 #if 0
 
     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 #if 0


@@ -272,6 +277,7 @@ bool wxApp::Initialize()
 
     RegisterWindowClasses();
 
 
     RegisterWindowClasses();
 

+#ifndef __WXMICROWIN__

     // Create the brush for disabling bitmap buttons
 
     LOGBRUSH lb;
     // Create the brush for disabling bitmap buttons
 
     LOGBRUSH lb;


@@ -283,6 +289,7 @@ bool wxApp::Initialize()
         ::DeleteObject( (HGDIOBJ)lb.lbHatch );
     }
     //else: wxWindows resources are probably not linked in
         ::DeleteObject( (HGDIOBJ)lb.lbHatch );
     }
     //else: wxWindows resources are probably not linked in

+#endif

 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();
 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();


@@ -297,7 +304,9 @@ bool wxApp::Initialize()
     if (wxDummyChar) wxDummyChar++;
 #endif
 
     if (wxDummyChar) wxDummyChar++;
 #endif
 

+#ifndef __WXMICROWIN__

     wxSetKeyboardHook(TRUE);
     wxSetKeyboardHook(TRUE);

+#endif

 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())
 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())


@@ -561,7 +570,9 @@ void wxApp::CleanUp()
 
     //// WINDOWS-SPECIFIC CLEANUP
 
 
     //// WINDOWS-SPECIFIC CLEANUP
 

+#ifndef __WXMICROWIN__

     wxSetKeyboardHook(FALSE);
     wxSetKeyboardHook(FALSE);

+#endif

 
 #if wxUSE_PENWINDOWS
     wxCleanUpPenWin();
 
 #if wxUSE_PENWINDOWS
     wxCleanUpPenWin();


@@ -598,13 +609,14 @@ void wxApp::CleanUp()
     // 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.
     delete wxPendingEvents;
     // 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.
     delete wxPendingEvents;

+

 #if wxUSE_THREADS
     delete wxPendingEventsLocker;
 #if wxUSE_THREADS
     delete wxPendingEventsLocker;

-    // If we don't do the following, we get an apparent memory leak.
+    // If we don't do the following, we get an apparent memory leak

 #if wxUSE_VALIDATORS
     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 #if wxUSE_VALIDATORS
     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();

-#endif
-#endif
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS

 
     wxClassInfo::CleanUpClasses();
 
 
     wxClassInfo::CleanUpClasses();
 


@@ -642,8 +654,7 @@ int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
 
 int WXDLLEXPORT wxEntryInitGui()
 {
 
 int WXDLLEXPORT wxEntryInitGui()
 {

-    wxTheApp->OnInitGui();
-    return 0;
+    return wxTheApp->OnInitGui();

 }
 
 void WXDLLEXPORT wxEntryCleanup()
 }
 
 void WXDLLEXPORT wxEntryCleanup()


@@ -672,7 +683,10 @@ int wxEntry(WXHINSTANCE hInstance,
     // do check for memory leaks on program exit
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)
     // do check for memory leaks on program exit
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)

+#ifndef __WXMICROWIN__

     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);

+#endif
+

 #ifdef __MWERKS__
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // This seems to be necessary since there are 'rogue'
 #ifdef __MWERKS__
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // This seems to be necessary since there are 'rogue'


@@ -704,7 +718,7 @@ 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!") );


@@ -713,10 +727,6 @@ int wxEntry(WXHINSTANCE hInstance,
         wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
         wxTheApp->m_nCmdShow = nCmdShow;
 
         wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
         wxTheApp->m_nCmdShow = nCmdShow;
 

-        // GUI-specific initialisation. In fact on Windows we don't have any,
-        // but this call is provided for compatibility across platforms.
-        wxEntryInitGui();
-

         // We really don't want timestamps by default, because it means
         // we can't simply double-click on the error message and get to that
         // line in the source. So VC++ at least, let's have a sensible default.
         // We really don't want timestamps by default, because it means
         // we can't simply double-click on the error message and get to that
         // line in the source. So VC++ at least, let's have a sensible default.


@@ -736,7 +746,7 @@ int wxEntry(WXHINSTANCE hInstance,
         wxTheApp->SetExitOnFrameDelete(FALSE);
 
         // init the app
         wxTheApp->SetExitOnFrameDelete(FALSE);
 
         // init the app

-        retValue = wxTheApp->OnInit() ? 0 : -1;
+        retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;

 
         // restore the old flag value
         wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
 
         // restore the old flag value
         wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);


@@ -848,14 +858,9 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 wxApp::wxApp()
 {
 
 wxApp::wxApp()
 {

-    m_topWindow = NULL;
-    wxTheApp = this;
-    m_wantDebugOutput = TRUE;
-

     argc = 0;
     argv = NULL;
     m_printMode = wxPRINT_WINDOWS;
     argc = 0;
     argv = NULL;
     m_printMode = wxPRINT_WINDOWS;

-    m_exitOnFrameDelete = TRUE;

     m_auto3D = TRUE;
 }
 
     m_auto3D = TRUE;
 }
 


@@ -957,16 +962,21 @@ bool wxApp::DoMessage()
 #endif // wxUSE_THREADS
 
         // Process the message
 #endif // wxUSE_THREADS
 
         // Process the message

-        if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
-        {
-            ::TranslateMessage(&s_currentMsg);
-            ::DispatchMessage(&s_currentMsg);
-        }
+        DoMessage((WXMSG *)&s_currentMsg);

     }
 
     return TRUE;
 }
 
     }
 
     return TRUE;
 }
 

+void wxApp::DoMessage(WXMSG *pMsg)
+{
+    if ( !ProcessMessage(pMsg) )
+    {
+        ::TranslateMessage((MSG *)pMsg);
+        ::DispatchMessage((MSG *)pMsg);
+    }
+}
+

 /*
  * Keep trying to process messages until WM_QUIT
  * received.
 /*
  * Keep trying to process messages until WM_QUIT
  * received.


@@ -1056,23 +1066,19 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
     // a translation table.
     wxWindow *wnd;
 
     // a translation table.
     wxWindow *wnd;
 

+    bool pastTopLevelWindow = FALSE;

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

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

-            break;
-    }
-
-    // Anyone for a non-translation message? Try youngest descendants first.
-    for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
-    {
-        if ( wnd->MSWProcessMessage(wxmsg) )
-            return TRUE;
+            pastTopLevelWindow = TRUE;

     }
 
     return FALSE;
     }
 
     return FALSE;


@@ -1195,6 +1201,9 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event)
 /* static */
 int wxApp::GetComCtl32Version()
 {
 /* static */
 int wxApp::GetComCtl32Version()
 {

+#ifdef __WXMICROWIN__
+    return 0;
+#else

     // cache the result
     static int s_verComCtl32 = -1;
 
     // cache the result
     static int s_verComCtl32 = -1;
 


@@ -1277,6 +1286,7 @@ int wxApp::GetComCtl32Version()
     }
 
     return s_verComCtl32;
     }
 
     return s_verComCtl32;

+#endif

 }
 
 void wxExit()
 }
 
 void wxExit()