X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/90e15296e9208a869efcc96329597fa3bf263d26..f2049b683752950d1fe91aec07318e7f2122ff16:/src/common/appcmn.cpp?ds=inline

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index ef67c91681..6eb1fc78d4 100644
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -40,16 +40,7 @@
 #include "wx/msgout.h"
 #include "wx/thread.h"
 #include "wx/vidmode.h"
-
-#ifdef __WXDEBUG__
-    #if wxUSE_STACKWALKER
-        #include "wx/stackwalk.h"
-    #endif // wxUSE_STACKWALKER
-#endif // __WXDEBUG__
-
-#if defined(__WXMSW__)
-    #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
-#endif
+#include "wx/evtloop.h"
 
 #if wxUSE_FONTMAP
     #include "wx/fontmap.h"
@@ -59,8 +50,6 @@
 #include "wx/build.h"
 WX_CHECK_BUILD_OPTIONS("wxCore")
 
-WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
-
 // ============================================================================
 // wxAppBase implementation
 // ============================================================================
@@ -71,7 +60,7 @@ WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
 
 wxAppBase::wxAppBase()
 {
-    m_topWindow = (wxWindow *)NULL;
+    m_topWindow = NULL;
 
     m_useBestVisual = false;
     m_forceTrueColour = false;
@@ -102,6 +91,10 @@ bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig)
 
     wxBitmap::InitStandardHandlers();
 
+    // for compatibility call the old initialization function too
+    if ( !OnInitGui() )
+        return false;
+
     return true;
 }
 
@@ -135,8 +128,7 @@ void wxAppBase::CleanUp()
 
     wxDeleteStockLists();
 
-    delete wxTheColourDatabase;
-    wxTheColourDatabase = NULL;
+    wxDELETE(wxTheColourDatabase);
 
     wxAppConsole::CleanUp();
 }
@@ -249,7 +241,7 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
     if ( parser.Found(OPTION_MODE, &modeDesc) )
     {
         unsigned w, h, bpp;
-        if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+        if ( wxSscanf(modeDesc.c_str(), wxT("%ux%u-%u"), &w, &h, &bpp) != 3 )
         {
             wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
             return false;
@@ -323,94 +315,50 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
     (void)ProcessEvent(event);
 }
 
-// ----------------------------------------------------------------------------
-// idle handling
-// ----------------------------------------------------------------------------
-
-void wxAppBase::DeletePendingObjects()
+bool wxAppBase::SafeYield(wxWindow *win, bool onlyIfNeeded)
 {
-    wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
-    while (node)
-    {
-        wxObject *obj = node->GetData();
+    wxWindowDisabler wd(win);
+
+    wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
 
-        // remove it from the list first so that if we get back here somehow
-        // during the object deletion (e.g. wxYield called from its dtor) we
-        // wouldn't try to delete it the second time
-        if ( wxPendingDelete.Member(obj) )
-            wxPendingDelete.Erase(node);
+    return loop && loop->Yield(onlyIfNeeded);
+}
+
+bool wxAppBase::SafeYieldFor(wxWindow *win, long eventsToProcess)
+{
+    wxWindowDisabler wd(win);
 
-        delete obj;
+    wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
 
-        // Deleting one object may have deleted other pending
-        // objects, so start from beginning of list again.
-        node = wxPendingDelete.GetFirst();
-    }
+    return loop && loop->YieldFor(eventsToProcess);
 }
 
+
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
 // Returns true if more time is needed.
 bool wxAppBase::ProcessIdle()
 {
-    // process pending wx events before sending idle events
-    ProcessPendingEvents();
-
+    // call the base class version first to send the idle event to wxTheApp
+    // itself
+    bool needMore = wxAppConsoleBase::ProcessIdle();
     wxIdleEvent event;
-    bool needMore = false;
     wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
     while (node)
     {
         wxWindow* win = node->GetData();
-        if (SendIdleEvents(win, event))
+        if (win->SendIdleEvents(event))
             needMore = true;
         node = node->GetNext();
     }
 
-    if (wxAppConsole::ProcessIdle())
-        needMore = true;
-
-    // 'Garbage' collection of windows deleted with Close().
-    DeletePendingObjects();
-
-#if wxUSE_LOG
-    // flush the logged messages if any
-    wxLog::FlushActive();
-#endif
-
     wxUpdateUIEvent::ResetUpdateTime();
 
     return needMore;
 }
 
-// Send idle event to window and all subwindows
-bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
-{
-    bool needMore = false;
-
-    win->OnInternalIdle();
-
-    // should we send idle event to this window?
-    if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
-            win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) )
-    {
-        event.SetEventObject(win);
-        win->HandleWindowEvent(event);
-
-        if (event.MoreRequested())
-            needMore = true;
-    }
-    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
-    while ( node )
-    {
-        wxWindow *child = node->GetData();
-        if (SendIdleEvents(child, event))
-            needMore = true;
-
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
 // ----------------------------------------------------------------------------
 // wxGUIAppTraitsBase
 // ----------------------------------------------------------------------------
@@ -420,7 +368,11 @@ bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
 wxLog *wxGUIAppTraitsBase::CreateLogTarget()
 {
 #if wxUSE_LOGGUI
+#ifndef __WXOSX_IPHONE__
     return new wxLogGui;
+#else
+    return new wxLogStderr;
+#endif
 #else
     // we must have something!
     return new wxLogStderr;
@@ -466,10 +418,9 @@ wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
     return NULL;
 }
 
-#ifdef __WXDEBUG__
-
 bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
 {
+#if wxDEBUG_LEVEL
     // under MSW we prefer to use the base class version using ::MessageBox()
     // even if wxMessageBox() is available because it has less chances to
     // double fault our app than our wxMessageBox()
@@ -478,48 +429,48 @@ bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
     //
     // and finally we can't use wxMessageBox() if it wasn't compiled in, of
     // course
-#if defined(__WXMSW__) || defined(__WXDFB__) || !wxUSE_MSGDLG
-    return wxAppTraitsBase::ShowAssertDialog(msg);
-#else // wxUSE_MSGDLG
-    wxString msgDlg = msg;
+#if !defined(__WXMSW__) && !defined(__WXDFB__) && wxUSE_MSGDLG
+
+    // we can't (safely) show the GUI dialog from another thread, only do it
+    // for the asserts in the main thread
+    if ( wxIsMainThread() )
+    {
+        wxString msgDlg = msg;
 
 #if wxUSE_STACKWALKER
-    // on Unix stack frame generation may take some time, depending on the
-    // size of the executable mainly... warn the user that we are working
-    wxFprintf(stderr, wxT("[Debug] Generating a stack trace... please wait"));
-    fflush(stderr);
-
-    const wxString stackTrace = GetAssertStackTrace();
-    if ( !stackTrace.empty() )
-        msgDlg << _T("\n\nCall stack:\n") << stackTrace;
+        const wxString stackTrace = GetAssertStackTrace();
+        if ( !stackTrace.empty() )
+            msgDlg << wxT("\n\nCall stack:\n") << stackTrace;
 #endif // wxUSE_STACKWALKER
 
-    // this message is intentionally not translated -- it is for
-    // developpers only
-    msgDlg += wxT("\nDo you want to stop the program?\n")
-              wxT("You can also choose [Cancel] to suppress ")
-              wxT("further warnings.");
+        // this message is intentionally not translated -- it is for
+        // developpers only
+        msgDlg += wxT("\nDo you want to stop the program?\n")
+                  wxT("You can also choose [Cancel] to suppress ")
+                  wxT("further warnings.");
 
-    switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
-                          wxYES_NO | wxCANCEL | wxICON_STOP ) )
-    {
-        case wxYES:
-            wxTrap();
-            break;
+        switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
+                              wxYES_NO | wxCANCEL | wxICON_STOP ) )
+        {
+            case wxYES:
+                wxTrap();
+                break;
 
-        case wxCANCEL:
-            // no more asserts
-            return true;
+            case wxCANCEL:
+                // no more asserts
+                return true;
 
-        //case wxNO: nothing to do
+            //case wxNO: nothing to do
+        }
+
+        return false;
     }
+#endif // wxUSE_MSGDLG
+#endif // wxDEBUG_LEVEL
 
-    return false;
-#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG
+    return wxAppTraitsBase::ShowAssertDialog(msg);
 }
 
-#endif // __WXDEBUG__
-
 bool wxGUIAppTraitsBase::HasStderr()
 {
     // we consider that under Unix stderr always goes somewhere, even if the
@@ -531,14 +482,3 @@ bool wxGUIAppTraitsBase::HasStderr()
 #endif
 }
 
-void wxGUIAppTraitsBase::ScheduleForDestroy(wxObject *object)
-{
-    if ( !wxPendingDelete.Member(object) )
-        wxPendingDelete.Append(object);
-}
-
-void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
-{
-    wxPendingDelete.DeleteObject(object);
-}
-