X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/34fdf76231e5e0adc6f1a0543f19f7ab8fcb91d9..c6a6bbbf637a5a580b7ab182483d27522f5e3189:/src/common/appcmn.cpp

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index f64e6b6bb6..e6a72a3d27 100644
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        common/appcmn.cpp
+// Name:        src/common/appcmn.cpp
 // Purpose:     wxAppConsole and wxAppBase methods common to all platforms
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ---------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "appbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,23 +26,30 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/window.h"
     #include "wx/bitmap.h"
-    #include "wx/intl.h"
-    #include "wx/list.h"
     #include "wx/log.h"
     #include "wx/msgdlg.h"
-    #include "wx/bitmap.h"
     #include "wx/confbase.h"
+    #include "wx/utils.h"
 #endif
 
 #include "wx/apptrait.h"
 #include "wx/cmdline.h"
+#include "wx/evtloop.h"
 #include "wx/msgout.h"
 #include "wx/thread.h"
-#include "wx/utils.h"
+#include "wx/vidmode.h"
+#include "wx/ptr_scpd.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
+    #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
 #endif
 
 #if wxUSE_FONTMAP
@@ -57,6 +60,15 @@
 #include "wx/build.h"
 WX_CHECK_BUILD_OPTIONS("wxCore")
 
+WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
+
+// ----------------------------------------------------------------------------
+// wxEventLoopPtr
+// ----------------------------------------------------------------------------
+
+// this defines wxEventLoopPtr
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop)
+
 // ============================================================================
 // wxAppBase implementation
 // ============================================================================
@@ -68,8 +80,13 @@ WX_CHECK_BUILD_OPTIONS("wxCore")
 wxAppBase::wxAppBase()
 {
     m_topWindow = (wxWindow *)NULL;
-    m_useBestVisual = FALSE;
-    m_isActive = TRUE;
+    
+    m_useBestVisual = false;
+    m_forceTrueColour = false;
+    
+    m_isActive = true;
+
+    m_mainLoop = NULL;
 
     // We don't want to exit the app if the user code shows a dialog from its
     // OnInit() -- but this is what would happen if we set m_exitOnFrameDelete
@@ -77,18 +94,18 @@ wxAppBase::wxAppBase()
     // OTOH, if we set it to No initially we'll have to overwrite it with Yes
     // when we enter our OnRun() because we do want the default behaviour from
     // then on. But this would be a problem if the user code calls
-    // SetExitOnFrameDelete(FALSE) from OnInit().
+    // SetExitOnFrameDelete(false) from OnInit().
     //
     // So we use the special "Later" value which is such that
-    // GetExitOnFrameDelete() returns FALSE for it but which we know we can
+    // GetExitOnFrameDelete() returns false for it but which we know we can
     // safely (i.e. without losing the effect of the users SetExitOnFrameDelete
     // call) overwrite in OnRun()
     m_exitOnFrameDelete = Later;
 }
 
-bool wxAppBase::Initialize(int& argc, wxChar **argv)
+bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig)
 {
-    if ( !wxAppConsole::Initialize(argc, argv) )
+    if ( !wxAppConsole::Initialize(argcOrig, argvOrig) )
         return false;
 
 #if wxUSE_THREADS
@@ -96,7 +113,6 @@ bool wxAppBase::Initialize(int& argc, wxChar **argv)
 #endif
 
     wxInitializeStockLists();
-    wxInitializeStockObjects();
 
     wxBitmap::InitStandardHandlers();
 
@@ -114,22 +130,32 @@ wxAppBase::~wxAppBase()
 
 void wxAppBase::CleanUp()
 {
-    // one last chance for pending objects to be cleaned up
+    // clean up all the pending objects
     DeletePendingObjects();
 
+    // and any remaining TLWs (they remove themselves from wxTopLevelWindows
+    // when destroyed, so iterate until none are left)
+    while ( !wxTopLevelWindows.empty() )
+    {
+        // do not use Destroy() here as it only puts the TLW in pending list
+        // but we want to delete them now
+        delete wxTopLevelWindows.GetFirst()->GetData();
+    }
+
+    // undo everything we did in Initialize() above
     wxBitmap::CleanUpHandlers();
 
-    wxDeleteStockObjects();
+    wxStockGDI::DeleteAll();
 
     wxDeleteStockLists();
 
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 
-#if wxUSE_THREADS
     delete wxPendingEvents;
     wxPendingEvents = NULL;
 
+#if wxUSE_THREADS
     delete wxPendingEventsLocker;
     wxPendingEventsLocker = NULL;
 
@@ -140,6 +166,41 @@ void wxAppBase::CleanUp()
 #endif // wxUSE_THREADS
 }
 
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
+
+wxWindow* wxAppBase::GetTopWindow() const
+{
+    wxWindow* window = m_topWindow;
+    if (window == NULL && wxTopLevelWindows.GetCount() > 0)
+        window = wxTopLevelWindows.GetFirst()->GetData();
+    return window;
+}
+
+wxVideoMode wxAppBase::GetDisplayMode() const
+{
+    return wxVideoMode();
+}
+
+wxLayoutDirection wxAppBase::GetLayoutDirection() const
+{
+#if wxUSE_INTL
+    const wxLocale *const locale = wxGetLocale();
+    if ( locale )
+    {
+        const wxLanguageInfo *const
+            info = wxLocale::GetLanguageInfo(locale->GetLanguage());
+
+        if ( info )
+            return info->LayoutDirection;
+    }
+#endif // wxUSE_INTL
+
+    // we don't know
+    return wxLayout_Default;
+}
+
 #if wxUSE_CMDLINE_PARSER
 
 // ----------------------------------------------------------------------------
@@ -160,7 +221,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
 #ifdef __WXUNIVERSAL__
         {
             wxCMD_LINE_OPTION,
-            _T(""),
+            wxEmptyString,
             OPTION_THEME,
             gettext_noop("specify the theme to use"),
             wxCMD_LINE_VAL_STRING,
@@ -174,7 +235,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
         //     and not mgl/app.cpp
         {
             wxCMD_LINE_OPTION,
-            _T(""),
+            wxEmptyString,
             OPTION_MODE,
             gettext_noop("specify display mode to use (e.g. 640x480-16)"),
             wxCMD_LINE_VAL_STRING,
@@ -185,9 +246,9 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
         // terminator
         {
             wxCMD_LINE_NONE,
-            _T(""),
-            _T(""),
-            _T(""),
+            wxEmptyString,
+            wxEmptyString,
+            wxEmptyString,
             wxCMD_LINE_VAL_NONE,
             0x0
         }
@@ -206,7 +267,7 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
         if ( !theme )
         {
             wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
-            return FALSE;
+            return false;
         }
 
         // Delete the defaultly created theme and set the new theme.
@@ -223,11 +284,11 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
         if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
         {
             wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
-            return FALSE;
+            return false;
         }
 
-        if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) )
-            return FALSE;
+        if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
+            return false;
     }
 #endif // __WXMGL__
 
@@ -236,6 +297,45 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
 
 #endif // wxUSE_CMDLINE_PARSER
 
+// ----------------------------------------------------------------------------
+// main event loop implementation
+// ----------------------------------------------------------------------------
+
+int wxAppBase::MainLoop()
+{
+    wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
+
+    return m_mainLoop->Run();
+}
+
+void wxAppBase::ExitMainLoop()
+{
+    // we should exit from the main event loop, not just any currently active
+    // (e.g. modal dialog) event loop
+    if ( m_mainLoop && m_mainLoop->IsRunning() )
+    {
+        m_mainLoop->Exit(0);
+    }
+}
+
+bool wxAppBase::Pending()
+{
+    // use the currently active message loop here, not m_mainLoop, because if
+    // we're showing a modal dialog (with its own event loop) currently the
+    // main event loop is not running anyhow
+    wxEventLoop * const loop = wxEventLoop::GetActive();
+
+    return loop && loop->Pending();
+}
+
+bool wxAppBase::Dispatch()
+{
+    // see comment in Pending()
+    wxEventLoop * const loop = wxEventLoop::GetActive();
+
+    return loop && loop->Dispatch();
+}
+
 // ----------------------------------------------------------------------------
 // OnXXX() hooks
 // ----------------------------------------------------------------------------
@@ -244,10 +344,10 @@ bool wxAppBase::OnInitGui()
 {
 #ifdef __WXUNIVERSAL__
     if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
-        return FALSE;
+        return false;
 #endif // __WXUNIVERSAL__
 
-    return TRUE;
+    return true;
 }
 
 int wxAppBase::OnRun()
@@ -299,6 +399,10 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
     (void)ProcessEvent(event);
 }
 
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
 void wxAppBase::DeletePendingObjects()
 {
     wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
@@ -306,46 +410,48 @@ void wxAppBase::DeletePendingObjects()
     {
         wxObject *obj = node->GetData();
 
-        delete obj;
-
-        if (wxPendingDelete.Member(obj))
+        // 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);
 
+        delete obj;
+
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
         node = wxPendingDelete.GetFirst();
     }
 }
 
-// Returns TRUE if more time is needed.
+// Returns true if more time is needed.
 bool wxAppBase::ProcessIdle()
 {
     wxIdleEvent event;
-    bool needMore = FALSE;
+    bool needMore = false;
     wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
-    node = wxTopLevelWindows.GetFirst();
     while (node)
     {
         wxWindow* win = node->GetData();
         if (SendIdleEvents(win, event))
-            needMore = TRUE;
+            needMore = true;
         node = node->GetNext();
     }
 
     event.SetEventObject(this);
     (void) ProcessEvent(event);
     if (event.MoreRequested())
-        needMore = TRUE;
+        needMore = true;
 
     wxUpdateUIEvent::ResetUpdateTime();
-    
+
     return needMore;
 }
 
 // Send idle event to window and all subwindows
 bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
 {
-    bool needMore = FALSE;
+    bool needMore = false;
 
     win->OnInternalIdle();
 
@@ -355,14 +461,14 @@ bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
         win->GetEventHandler()->ProcessEvent(event);
 
         if (event.MoreRequested())
-            needMore = TRUE;
+            needMore = true;
     }
     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
     while ( node )
     {
         wxWindow *child = node->GetData();
         if (SendIdleEvents(child, event))
-            needMore = TRUE;
+            needMore = true;
 
         node = node->GetNext();
     }
@@ -391,6 +497,24 @@ void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
 
 }
 
+// ----------------------------------------------------------------------------
+// exceptions support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_EXCEPTIONS
+
+bool wxAppBase::OnExceptionInMainLoop()
+{
+    throw;
+
+    // some compilers are too stupid to know that we never return after throw
+#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200)
+    return false;
+#endif
+}
+
+#endif // wxUSE_EXCEPTIONS
+
 // ----------------------------------------------------------------------------
 // wxGUIAppTraitsBase
 // ----------------------------------------------------------------------------
@@ -399,7 +523,12 @@ void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
 
 wxLog *wxGUIAppTraitsBase::CreateLogTarget()
 {
+#if wxUSE_LOGGUI
     return new wxLogGui;
+#else
+    // we must have something!
+    return new wxLogStderr;
+#endif
 }
 
 #endif // wxUSE_LOG
@@ -442,20 +571,32 @@ wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
 
 bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
 {
+#if defined(__WXMSW__) || !wxUSE_MSGDLG
     // 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()
-#if defined(__WXMSW__) || !wxUSE_MSGDLG
     return wxAppTraitsBase::ShowAssertDialog(msg);
 #else // wxUSE_MSGDLG
+    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;
+#endif // wxUSE_STACKWALKER
+
     // this message is intentionally not translated -- it is for
     // developpers only
-    wxString msgDlg(msg);
     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("wxWindows Debug Alert"),
+    switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
                           wxYES_NO | wxCANCEL | wxICON_STOP ) )
     {
         case wxYES:
@@ -497,3 +638,34 @@ void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
     wxPendingDelete.DeleteObject(object);
 }
 
+#if wxUSE_SOCKETS
+
+#if defined(__WINDOWS__)
+    #include "wx/msw/gsockmsw.h"
+#elif defined(__UNIX__) || defined(__DARWIN__) || defined(__OS2__)
+    #include "wx/unix/gsockunx.h"
+#elif defined(__WXMAC__)
+    #include <MacHeaders.c>
+    #define OTUNIXERRORS 1
+    #include <OpenTransport.h>
+    #include <OpenTransportProviders.h>
+    #include <OpenTptInternet.h>
+
+    #include "wx/mac/gsockmac.h"
+#else
+    #error "Must include correct GSocket header here"
+#endif
+
+GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable()
+{
+#if defined(__WXMAC__) && !defined(__DARWIN__)
+    // NB: wxMac CFM does not have any GUI-specific functions in gsocket.c and
+    //     so it doesn't need this table at all
+    return NULL;
+#else // !__WXMAC__ || __DARWIN__
+    static GSocketGUIFunctionsTableConcrete table;
+    return &table;
+#endif // !__WXMAC__ || __DARWIN__
+}
+
+#endif