*** empty log message ***

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 3528af8915a0543eafbe717db1f6991b9dbcef02..81c4be228d55bf6421d258f3f9abf06ec837eb96 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -89,6 +89,31 @@
 
 #include "wx/msw/msvcrt.h"
 
 
 #include "wx/msw/msvcrt.h"
 

+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+
+// The macro _WIN32_IE is defined by commctrl.h (unless it had already been
+// defined before) and shows us what common control features are available
+// during the compile time (it doesn't mean that they will be available during
+// the run-time, use GetComCtl32Version() to test for them!). The possible
+// values are:
+//
+// 0x0200     for comctl32.dll 4.00 shipped with Win95/NT 4.0
+// 0x0300                      4.70              IE 3.x
+// 0x0400                      4.71              IE 4.0
+// 0x0401                      4.72              IE 4.01 and Win98
+// 0x0500                      5.00              IE 5.x and NT 5.0 (Win2000)
+
+#ifndef _WIN32_IE
+    // minimal set of features by default
+    #define _WIN32_IE 0x0200
+#endif
+
+#if _WIN32_IE >= 0x0300
+    #include <shlwapi.h>
+#endif
+

 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------


@@ -100,22 +125,19 @@ extern wxList WXDLLEXPORT wxPendingDelete;
 extern void wxSetKeyboardHook(bool doIt);
 extern wxCursor *g_globalCursor;
 
 extern void wxSetKeyboardHook(bool doIt);
 extern wxCursor *g_globalCursor;
 

-HINSTANCE wxhInstance = 0;

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

-// FIXME why not const? and not static?
-

 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 //     with NR suffix - wxWindow::MSWCreate() supposes this
 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 //     with NR suffix - wxWindow::MSWCreate() supposes this

-wxChar wxFrameClassName[]         = wxT("wxFrameClass");
-wxChar wxFrameClassNameNoRedraw[] = wxT("wxFrameClassNR");
-wxChar wxMDIFrameClassName[]      = wxT("wxMDIFrameClass");
-wxChar wxMDIFrameClassNameNoRedraw[] = wxT("wxMDIFrameClassNR");
-wxChar wxMDIChildFrameClassName[] = wxT("wxMDIChildFrameClass");
-wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR");
-wxChar wxPanelClassName[]         = wxT("wxPanelClass");
-wxChar wxCanvasClassName[]        = wxT("wxCanvasClass");
+const wxChar *wxFrameClassName         = wxT("wxFrameClass");
+const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR");
+const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
+const wxChar *wxPanelClassName         = wxT("wxPanelClass");
+const wxChar *wxCanvasClassName        = wxT("wxCanvasClass");

 
 HICON wxSTD_FRAME_ICON = (HICON) NULL;
 HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
 
 HICON wxSTD_FRAME_ICON = (HICON) NULL;
 HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;


@@ -143,7 +165,6 @@ LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 // wxApp
 // ---------------------------------------------------------------------------
 
 // wxApp
 // ---------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY

     IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
     BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
     IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
     BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)


@@ -151,7 +172,6 @@ LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
         EVT_END_SESSION(wxApp::OnEndSession)
         EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
     END_EVENT_TABLE()
         EVT_END_SESSION(wxApp::OnEndSession)
         EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
     END_EVENT_TABLE()

-#endif

 
 //// Initialize
 bool wxApp::Initialize()
 
 //// Initialize
 bool wxApp::Initialize()


@@ -594,7 +614,17 @@ int wxEntry(WXHINSTANCE hInstance,
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)
     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)
     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);

-
+#ifdef __MWERKS__
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    // This seems to be necessary since there are 'rogue'
+    // objects present at this point (perhaps global objects?)
+    // Setting a checkpoint will ignore them as far as the
+    // memory checking facility is concerned.
+    // Of course you may argue that memory allocated in globals should be
+    // checked, but this is a reasonable compromise.
+    wxDebugContext::SetCheckpoint();
+#endif
+#endif

     // take everything into a try-except block in release build
     // FIXME other compilers must support Win32 SEH (structured exception
     //       handling) too, just find the appropriate keyword in their docs!
     // take everything into a try-except block in release build
     // FIXME other compilers must support Win32 SEH (structured exception
     //       handling) too, just find the appropriate keyword in their docs!


@@ -1130,52 +1160,84 @@ bool wxApp::InitRichEdit(int version)
 /* static */
 int wxApp::GetComCtl32Version()
 {
 /* static */
 int wxApp::GetComCtl32Version()
 {

-    // TODO should use DllGetVersion() instead of this hack
-

     // cache the result
     // cache the result

-    static int s_verComCtl32 = -1;      // MT-FIXME
+    static int s_verComCtl32 = -1;
+
+    wxCRIT_SECT_DECLARE(csComCtl32);
+    wxCRIT_SECT_LOCKER(lock, csComCtl32);

 
     if ( s_verComCtl32 == -1 )
     {
 
     if ( s_verComCtl32 == -1 )
     {

+        // initally assume no comctl32.dll at all

         s_verComCtl32 = 0;
 
         s_verComCtl32 = 0;
 

-        // have we loaded COMCTL32 yet?
-        HMODULE theModule = ::GetModuleHandle(wxT("COMCTL32"));
+        // do we have it?
+        HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));

 
         // if so, then we can check for the version
 
         // if so, then we can check for the version

-        if (theModule)
+        if ( hModuleComCtl32 )

         {
         {

-            // InitCommonControlsEx is unique to 4.7 and later
-            FARPROC theProc = ::GetProcAddress(theModule,
-                                               _T("InitCommonControlsEx"));
-
-            if ( !theProc )
-            {                    // not found, must be 4.00
-                s_verComCtl32 = 400;
-            }
-            else
-            {
-                // The following symbol are unique to 4.71
-                //   DllInstall
-                //   FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
-                //   FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
-                //   FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
-                //   FlatSB_ShowScrollBar
-                //   _DrawIndirectImageList _DuplicateImageList
-                //   InitializeFlatSB
-                //   UninitializeFlatSB
-                // we could check for any of these - I chose DllInstall
-                FARPROC theProc = ::GetProcAddress(theModule, _T("DllInstall"));
-                if ( !theProc )
+            // try to use DllGetVersion() if available in _headers_
+            #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
+                DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
+                    ::GetProcAddress(hModuleComCtl32, _T("DllGetVersion"));
+                if ( pfnDllGetVersion )

                 {
                 {

-                    // not found, must be 4.70
-                    s_verComCtl32 = 470;
+                    DLLVERSIONINFO dvi;
+                    dvi.cbSize = sizeof(dvi);
+
+                    HRESULT hr = (*pfnDllGetVersion)(&dvi);
+                    if ( FAILED(hr) )
+                    {
+                        wxLogApiError(_T("DllGetVersion"), hr);
+                    }
+                    else
+                    {
+                        // this is incompatible with _WIN32_IE values, but
+                        // compatible with the other values returned by
+                        // GetComCtl32Version()
+                        s_verComCtl32 = 100*dvi.dwMajorVersion +
+                                            dvi.dwMinorVersion;
+                    }

                 }
                 }

-                else
-                {                         // found, must be 4.71
-                    s_verComCtl32 = 471;
+            #endif
+                // DllGetVersion() unavailable either during compile or
+                // run-time, try to guess the version otherwise
+                if ( !s_verComCtl32 )
+                {
+                    // InitCommonControlsEx is unique to 4.70 and later
+                    FARPROC theProc = ::GetProcAddress
+                                        (
+                                         hModuleComCtl32,
+                                         _T("InitCommonControlsEx")
+                                        );
+
+                    if ( !theProc )
+                    {
+                        // not found, must be 4.00
+                        s_verComCtl32 = 400;
+                    }
+                    else
+                    {
+                        // many symbols appeared in comctl32 4.71, could use
+                        // any of them except may be DllInstall
+                        theProc = ::GetProcAddress
+                                    (
+                                     hModuleComCtl32,
+                                     _T("InitializeFlatSB")
+                                    );
+                        if ( !theProc )
+                        {
+                            // not found, must be 4.70
+                            s_verComCtl32 = 470;
+                        }
+                        else
+                        {
+                            // found, must be 4.71
+                            s_verComCtl32 = 471;
+                        }
+                    }

                 }
                 }

-            }

         }
     }
 
         }
     }
 


@@ -1217,11 +1279,16 @@ void wxWakeUpIdle()
 {
     // Send the top window a dummy message so idle handler processing will
     // start up again.  Doing it this way ensures that the idle handler
 {
     // Send the top window a dummy message so idle handler processing will
     // start up again.  Doing it this way ensures that the idle handler

-    // wakes up in the right thread.
+    // wakes up in the right thread (see also wxWakeUpMainThread() which does
+    // the same for the main app thread only)

     wxWindow *topWindow = wxTheApp->GetTopWindow();
     wxWindow *topWindow = wxTheApp->GetTopWindow();

-    if ( topWindow ) {
-        HWND hWnd = (HWND)topWindow->GetHWND();
-        ::PostMessage(hWnd, WM_NULL, 0, 0);
+    if ( topWindow )
+    {
+        if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+        {
+            // should never happen
+            wxLogLastError("PostMessage(WM_NULL)");
+        }

     }
 }
 
     }
 }
 


@@ -1250,17 +1317,6 @@ wxApp::GetStdIcon(int which) const
     }
 }
 
     }
 }
 

-
-HINSTANCE wxGetInstance()
-{
-    return wxhInstance;
-}
-
-void wxSetInstance(HINSTANCE hInst)
-{
-    wxhInstance = hInst;
-}
-

 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.
 #if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__))
 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.
 #if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__))