check that the version of __sync_sub_and_fetch that returns a value is supported...

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 3c72ccbde89843d8e136f9840f945b3cd67e9e09..ef5379e82b6e03d39e20da5fa3b8673dd571fb74 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -40,7 +40,7 @@
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
     #include "wx/intl.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
     #include "wx/intl.h"

-    #include "wx/wxchar.h"
+    #include "wx/crt.h"

     #include "wx/log.h"
     #include "wx/module.h"
 #endif
     #include "wx/log.h"
     #include "wx/module.h"
 #endif


@@ -49,9 +49,11 @@
 #include "wx/filename.h"
 #include "wx/dynlib.h"
 #include "wx/evtloop.h"
 #include "wx/filename.h"
 #include "wx/dynlib.h"
 #include "wx/evtloop.h"

+#include "wx/thread.h"

 
 #include "wx/msw/private.h"
 #include "wx/msw/ole/oleutils.h"
 
 #include "wx/msw/private.h"
 #include "wx/msw/ole/oleutils.h"

+#include "wx/msw/private/timer.h"

 
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
 
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"


@@ -212,7 +214,7 @@ bool wxGUIAppTraits::DoMessageFromThreadWait()
 {
     // we should return false only if the app should exit, i.e. only if
     // Dispatch() determines that the main event loop should terminate
 {
     // we should return false only if the app should exit, i.e. only if
     // Dispatch() determines that the main event loop should terminate

-    wxEventLoop *evtLoop = wxEventLoop::GetActive();
+    wxEventLoopBase * const evtLoop = wxEventLoop::GetActive();

     if ( !evtLoop || !evtLoop->Pending() )
     {
         // no events means no quit event
     if ( !evtLoop || !evtLoop->Pending() )
     {
         // no events means no quit event


@@ -265,6 +267,20 @@ wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
 #endif
 }
 
 #endif
 }
 

+#if wxUSE_TIMER
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+    return new wxMSWTimerImpl(timer);
+}
+
+#endif // wxUSE_TIMER
+
+wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
+{
+    return new wxEventLoop;
+}
+

 // ===========================================================================
 // wxApp implementation
 // ===========================================================================
 // ===========================================================================
 // wxApp implementation
 // ===========================================================================


@@ -309,9 +325,9 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #ifdef __WXWINCE__
     wxString tmp = GetAppName();
     tmp += wxT("ClassName");
 #ifdef __WXWINCE__
     wxString tmp = GetAppName();
     tmp += wxT("ClassName");

-    wxCanvasClassName = wxStrdup( tmp.c_str() );
+    wxCanvasClassName = wxStrdup( tmp.wc_str() );

     tmp += wxT("NR");
     tmp += wxT("NR");

-    wxCanvasClassNameNR = wxStrdup( tmp.c_str() );
+    wxCanvasClassNameNR = wxStrdup( tmp.wc_str() );

     HWND hWnd = FindWindow( wxCanvasClassNameNR, NULL );
     if (hWnd)
     {
     HWND hWnd = FindWindow( wxCanvasClassNameNR, NULL );
     if (hWnd)
     {


@@ -537,16 +553,14 @@ wxApp::~wxApp()
 // wxApp idle handling
 // ----------------------------------------------------------------------------
 
 // wxApp idle handling
 // ----------------------------------------------------------------------------
 

-void wxApp::OnIdle(wxIdleEvent& event)
+void wxApp::OnIdle(wxIdleEvent& WXUNUSED(event))

 {
 {

-    wxAppBase::OnIdle(event);
-

 #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))
 #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();
+        wxMSWDCImpl::ClearCache();

 #endif // wxUSE_DC_CACHEING
 }
 
 #endif // wxUSE_DC_CACHEING
 }
 


@@ -589,15 +603,42 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event)
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// miscellaneous
+// system DLL versions

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

+#if wxUSE_DYNLIB_CLASS
+
+namespace
+{
+
+// helper function: retrieve the DLL version by using DllGetVersion(), returns
+// 0 if the DLL doesn't export such function
+int CallDllGetVersion(wxDynamicLibrary& dll)
+{
+    // now check if the function is available during run-time
+    wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dll );
+    if ( !pfnDllGetVersion )
+        return 0;
+
+    DLLVERSIONINFO dvi;
+    dvi.cbSize = sizeof(dvi);
+
+    HRESULT hr = (*pfnDllGetVersion)(&dvi);
+    if ( FAILED(hr) )
+    {
+        wxLogApiError(_T("DllGetVersion"), hr);
+
+        return 0;
+    }
+
+    return 100*dvi.dwMajorVersion + dvi.dwMinorVersion;
+}
+
+} // anonymous namespace
+

 /* static */
 int wxApp::GetComCtl32Version()
 {
 /* static */
 int wxApp::GetComCtl32Version()
 {

-#if defined(__WXMICROWIN__) || defined(__WXWINCE__)
-    return 0;
-#else

     // cache the result
     //
     // NB: this is MT-ok as in the worst case we'd compute s_verComCtl32 twice,
     // cache the result
     //
     // NB: this is MT-ok as in the worst case we'd compute s_verComCtl32 twice,


@@ -606,78 +647,103 @@ int wxApp::GetComCtl32Version()
 
     if ( s_verComCtl32 == -1 )
     {
 
     if ( s_verComCtl32 == -1 )
     {

-        // initally assume no comctl32.dll at all
-        s_verComCtl32 = 0;
-

         // we're prepared to handle the errors
         wxLogNull noLog;
 
         // we're prepared to handle the errors
         wxLogNull noLog;
 

-#if wxUSE_DYNLIB_CLASS
-        // do we have it?
+        // the DLL should really be available

         wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);
         wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);

+        if ( !dllComCtl32.IsLoaded() )
+        {
+            s_verComCtl32 = 0;
+            return 0;
+        }
+
+        // try DllGetVersion() for recent DLLs
+        s_verComCtl32 = CallDllGetVersion(dllComCtl32);

 
 

-        // if so, then we can check for the version
-        if ( dllComCtl32.IsLoaded() )
+        // if DllGetVersion() is unavailable either during compile or
+        // run-time, try to guess the version otherwise
+        if ( !s_verComCtl32 )

         {
         {

-            // now check if the function is available during run-time
-            wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dllComCtl32 );
-            if ( pfnDllGetVersion )
+            // InitCommonControlsEx is unique to 4.70 and later
+            void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+            if ( !pfn )

             {
             {

-                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;
-                }
+                // not found, must be 4.00
+                s_verComCtl32 = 400;

             }
             }

-
-            // if DllGetVersion() is unavailable either during compile or
-            // run-time, try to guess the version otherwise
-            if ( !s_verComCtl32 )
+            else // 4.70+

             {
             {

-                // InitCommonControlsEx is unique to 4.70 and later
-                void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+                // many symbols appeared in comctl32 4.71, could use any of
+                // them except may be DllInstall()
+                pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB"));

                 if ( !pfn )
                 {
                 if ( !pfn )
                 {

-                    // not found, must be 4.00
-                    s_verComCtl32 = 400;
+                    // not found, must be 4.70
+                    s_verComCtl32 = 470;

                 }
                 }

-                else // 4.70+
+                else

                 {
                 {

-                    // many symbols appeared in comctl32 4.71, could use any of
-                    // them except may be DllInstall()
-                    pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB"));
-                    if ( !pfn )
-                    {
-                        // not found, must be 4.70
-                        s_verComCtl32 = 470;
-                    }
-                    else
-                    {
-                        // found, must be 4.71 or later
-                        s_verComCtl32 = 471;
-                    }
+                    // found, must be 4.71 or later
+                    s_verComCtl32 = 471;

                 }
             }
         }
                 }
             }
         }

-#endif

     }
 
     return s_verComCtl32;
     }
 
     return s_verComCtl32;

-#endif // Microwin/!Microwin

 }
 
 }
 

+/* static */
+int wxApp::GetShell32Version()
+{
+    static int s_verShell32 = -1;
+    if ( s_verShell32 == -1 )
+    {
+        // we're prepared to handle the errors
+        wxLogNull noLog;
+
+        wxDynamicLibrary dllShell32(_T("shell32.dll"), wxDL_VERBATIM);
+        if ( dllShell32.IsLoaded() )
+        {
+            s_verShell32 = CallDllGetVersion(dllShell32);
+
+            if ( !s_verShell32 )
+            {
+                // there doesn't seem to be any way to distinguish between 4.00
+                // and 4.70 (starting from 4.71 we have DllGetVersion()) so
+                // just assume it is 4.0
+                s_verShell32 = 400;
+            }
+        }
+        else // failed load the DLL?
+        {
+            s_verShell32 = 0;
+        }
+    }
+
+    return s_verShell32;
+}
+
+#else // !wxUSE_DYNLIB_CLASS
+
+/* static */
+int wxApp::GetComCtl32Version()
+{
+    return 0;
+}
+
+/* static */
+int wxApp::GetShell32Version()
+{
+    return 0;
+}
+
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
+
+// ----------------------------------------------------------------------------

 // Yield to incoming messages
 // Yield to incoming messages

+// ----------------------------------------------------------------------------

 
 bool wxApp::Yield(bool onlyIfNeeded)
 {
 
 bool wxApp::Yield(bool onlyIfNeeded)
 {