use popen() instead of wxExecute(), it works inside wxYield() unlike the latter

[wxWidgets.git] / src / common / appcmn.cpp

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index 5c19be543e65f930cc18374b375d8a608ec45893..d4bc4cfe56a2734a2515e3cf391745894f0c9d6c 100644 (file)
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -41,12 +41,14 @@
 
 #include "wx/apptrait.h"
 #include "wx/cmdline.h"
 
 #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/msgout.h"
 #include "wx/thread.h"
 #include "wx/utils.h"

+#include "wx/ptr_scpd.h"

 
 #if defined(__WXMSW__)
 
 #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
 #endif
 
 #if wxUSE_FONTMAP


@@ -57,6 +59,14 @@
 #include "wx/build.h"
 WX_CHECK_BUILD_OPTIONS("wxCore")
 
 #include "wx/build.h"
 WX_CHECK_BUILD_OPTIONS("wxCore")
 

+
+// ----------------------------------------------------------------------------
+// wxEventLoopPtr
+// ----------------------------------------------------------------------------
+
+// this defines wxEventLoopPtr
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop);
+

 // ============================================================================
 // wxAppBase implementation
 // ============================================================================
 // ============================================================================
 // wxAppBase implementation
 // ============================================================================


@@ -68,8 +78,12 @@ WX_CHECK_BUILD_OPTIONS("wxCore")
 wxAppBase::wxAppBase()
 {
     m_topWindow = (wxWindow *)NULL;
 wxAppBase::wxAppBase()
 {
     m_topWindow = (wxWindow *)NULL;

-    m_useBestVisual = FALSE;
-    m_isActive = TRUE;
+    m_useBestVisual = false;
+    m_isActive = true;
+
+#if wxUSE_EVTLOOP_IN_APP
+    m_mainLoop = NULL;
+#endif // wxUSE_EVTLOOP_IN_APP

 
     // 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
 
     // 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


@@ -77,10 +91,10 @@ 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
     // 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
     //
     // 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;
     // safely (i.e. without losing the effect of the users SetExitOnFrameDelete
     // call) overwrite in OnRun()
     m_exitOnFrameDelete = Later;


@@ -114,9 +128,19 @@ wxAppBase::~wxAppBase()
 
 void wxAppBase::CleanUp()
 {
 
 void wxAppBase::CleanUp()
 {

-    // one last chance for pending objects to be cleaned up
+    // clean up all the pending objects

     DeletePendingObjects();
 
     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();
     wxBitmap::CleanUpHandlers();
 
     wxDeleteStockObjects();


@@ -126,10 +150,10 @@ void wxAppBase::CleanUp()
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 

-#if wxUSE_THREADS

     delete wxPendingEvents;
     wxPendingEvents = NULL;
 
     delete wxPendingEvents;
     wxPendingEvents = NULL;
 

+#if wxUSE_THREADS

     delete wxPendingEventsLocker;
     wxPendingEventsLocker = NULL;
 
     delete wxPendingEventsLocker;
     wxPendingEventsLocker = NULL;
 


@@ -160,7 +184,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
 #ifdef __WXUNIVERSAL__
         {
             wxCMD_LINE_OPTION,
 #ifdef __WXUNIVERSAL__
         {
             wxCMD_LINE_OPTION,

-            _T(""),
+            wxEmptyString,

             OPTION_THEME,
             gettext_noop("specify the theme to use"),
             wxCMD_LINE_VAL_STRING,
             OPTION_THEME,
             gettext_noop("specify the theme to use"),
             wxCMD_LINE_VAL_STRING,


@@ -174,7 +198,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
         //     and not mgl/app.cpp
         {
             wxCMD_LINE_OPTION,
         //     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,
             OPTION_MODE,
             gettext_noop("specify display mode to use (e.g. 640x480-16)"),
             wxCMD_LINE_VAL_STRING,


@@ -185,9 +209,9 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
         // terminator
         {
             wxCMD_LINE_NONE,
         // terminator
         {
             wxCMD_LINE_NONE,

-            _T(""),
-            _T(""),
-            _T(""),
+            wxEmptyString,
+            wxEmptyString,
+            wxEmptyString,

             wxCMD_LINE_VAL_NONE,
             0x0
         }
             wxCMD_LINE_VAL_NONE,
             0x0
         }


@@ -206,7 +230,7 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
         if ( !theme )
         {
             wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
         if ( !theme )
         {
             wxLogError(_("Unsupported theme '%s'."), themeName.c_str());

-            return FALSE;
+            return false;

         }
 
         // Delete the defaultly created theme and set the new theme.
         }
 
         // Delete the defaultly created theme and set the new theme.


@@ -223,11 +247,11 @@ 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());
         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__
 
     }
 #endif // __WXMGL__
 


@@ -236,6 +260,59 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
 
 #endif // wxUSE_CMDLINE_PARSER
 
 
 #endif // wxUSE_CMDLINE_PARSER
 

+// ----------------------------------------------------------------------------
+// main event loop implementation
+// ----------------------------------------------------------------------------
+
+int wxAppBase::MainLoop()
+{
+#if wxUSE_EVTLOOP_IN_APP
+    wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
+
+    return m_mainLoop->Run();
+#else // !wxUSE_EVTLOOP_IN_APP
+    return 0;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+
+void wxAppBase::ExitMainLoop()
+{
+#if wxUSE_EVTLOOP_IN_APP
+    // 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);
+    }
+#endif // wxUSE_EVTLOOP_IN_APP
+}
+
+bool wxAppBase::Pending()
+{
+#if wxUSE_EVTLOOP_IN_APP
+    // 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();
+#else // wxUSE_EVTLOOP_IN_APP
+    return false;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+
+bool wxAppBase::Dispatch()
+{
+#if wxUSE_EVTLOOP_IN_APP
+    // see comment in Pending()
+    wxEventLoop * const loop = wxEventLoop::GetActive();
+
+    return loop && loop->Dispatch();
+#else // wxUSE_EVTLOOP_IN_APP
+    return true;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+

 // ----------------------------------------------------------------------------
 // OnXXX() hooks
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // OnXXX() hooks
 // ----------------------------------------------------------------------------


@@ -244,10 +321,10 @@ bool wxAppBase::OnInitGui()
 {
 #ifdef __WXUNIVERSAL__
     if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
 {
 #ifdef __WXUNIVERSAL__
     if ( !wxTheme::Get() && !wxTheme::CreateDefault() )

-        return FALSE;
+        return false;

 #endif // __WXUNIVERSAL__
 
 #endif // __WXUNIVERSAL__
 

-    return TRUE;
+    return true;

 }
 
 int wxAppBase::OnRun()
 }
 
 int wxAppBase::OnRun()


@@ -317,34 +394,34 @@ void wxAppBase::DeletePendingObjects()
     }
 }
 
     }
 }
 

-// Returns TRUE if more time is needed.
+// Returns true if more time is needed.

 bool wxAppBase::ProcessIdle()
 {
     wxIdleEvent event;
 bool wxAppBase::ProcessIdle()
 {
     wxIdleEvent event;

-    bool needMore = FALSE;
+    bool needMore = false;

     wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
     while (node)
     {
         wxWindow* win = node->GetData();
         if (SendIdleEvents(win, event))
     wxWindowList::compatibility_iterator 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())
         node = node->GetNext();
     }
 
     event.SetEventObject(this);
     (void) ProcessEvent(event);
     if (event.MoreRequested())

-        needMore = TRUE;
+        needMore = true;

 
     wxUpdateUIEvent::ResetUpdateTime();
 
     wxUpdateUIEvent::ResetUpdateTime();

-    
+

     return needMore;
 }
 
 // Send idle event to window and all subwindows
 bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
 {
     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();
 
 
     win->OnInternalIdle();
 


@@ -354,14 +431,14 @@ bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
         win->GetEventHandler()->ProcessEvent(event);
 
         if (event.MoreRequested())
         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))
     }
     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
     while ( node )
     {
         wxWindow *child = node->GetData();
         if (SendIdleEvents(child, event))

-            needMore = TRUE;
+            needMore = true;

 
         node = node->GetNext();
     }
 
         node = node->GetNext();
     }


@@ -398,7 +475,12 @@ void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
 
 wxLog *wxGUIAppTraitsBase::CreateLogTarget()
 {
 
 wxLog *wxGUIAppTraitsBase::CreateLogTarget()
 {

+#if wxUSE_LOGGUI

     return new wxLogGui;
     return new wxLogGui;

+#else
+    // wem ust have something!
+    return new wxLogStderr;
+#endif

 }
 
 #endif // wxUSE_LOG
 }
 
 #endif // wxUSE_LOG


@@ -454,7 +536,7 @@ bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
               wxT("You can also choose [Cancel] to suppress ")
               wxT("further warnings.");
 
               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:
                           wxYES_NO | wxCANCEL | wxICON_STOP ) )
     {
         case wxYES:


@@ -516,26 +598,14 @@ void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
 
 GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable()
 {
 
 GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable()
 {

-#ifdef __WXMAC__
-    // NB: wxMac does not have any GUI-specific functions in gsocket.c and
+#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;
     //     so it doesn't need this table at all
     return NULL;

-#else // !__WXMAC__
-    static GSocketGUIFunctionsTable table =
-    {
-        _GSocket_GUI_Init,
-        _GSocket_GUI_Cleanup,
-        _GSocket_GUI_Init_Socket,
-        _GSocket_GUI_Destroy_Socket,
-#ifndef __WINDOWS__
-        _GSocket_Install_Callback,
-        _GSocket_Uninstall_Callback,
-#endif
-        _GSocket_Enable_Events,
-        _GSocket_Disable_Events
-    };
+#else // !__WXMAC__ || __DARWIN__
+    static GSocketGUIFunctionsTableConcrete table;

     return &table;
     return &table;

-#endif // __WXMAC__/!__WXMAC__
+#endif // !__WXMAC__ || __DARWIN__

 }
 
 #endif
 }
 
 #endif