/////////////////////////////////////////////////////////////////////////////
// Name: common/appcmn.cpp
-// Purpose: wxAppBase methods common to all platforms
+// Purpose: wxAppConsole and wxAppBase methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// Created: 18.10.99
#ifndef WX_PRECOMP
#include "wx/app.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"
#endif
+#include "wx/apptrait.h"
+#if wxUSE_FONTMAP
+ #include "wx/fontmap.h"
+#endif // wxUSE_FONTMAP
+#include "wx/msgout.h"
#include "wx/thread.h"
-#include "wx/confbase.h"
+#include "wx/utils.h"
-#ifdef __WXUNIVERSAL__
- #include "wx/univ/theme.h"
-#endif // __WXUNIVERSAL__
+// ============================================================================
+// wxAppBase implementation
+// ============================================================================
-// ===========================================================================
-// implementation
-// ===========================================================================
+// ----------------------------------------------------------------------------
+// initialization
+// ----------------------------------------------------------------------------
wxAppBase::wxAppBase()
{
- wxTheApp = (wxApp *)this;
-
- // VZ: what's this? is it obsolete?
- m_wantDebugOutput = FALSE;
-
-#if wxUSE_GUI
m_topWindow = (wxWindow *)NULL;
m_useBestVisual = FALSE;
- m_exitOnFrameDelete = TRUE;
m_isActive = TRUE;
-#endif // wxUSE_GUI
+
+ // 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
+ // to Yes initially as this dialog would be the last top level window.
+ // 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().
+ //
+ // So we use the special "Later" value which is such that
+ // 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)
+{
+ if ( !wxAppConsole::Initialize(argc, argv) )
+ return false;
+
+#if wxUSE_THREADS
+ wxPendingEventsLocker = new wxCriticalSection;
+#endif
+
+ wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+ wxTheColourDatabase->Initialize();
+
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
+
+ wxBitmap::InitStandardHandlers();
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// cleanup
+// ----------------------------------------------------------------------------
+
+wxAppBase::~wxAppBase()
+{
+ // this destructor is required for Darwin
+}
+
+void wxAppBase::CleanUp()
+{
+ // one last chance for pending objects to be cleaned up
+ DeletePendingObjects();
+
+ wxBitmap::CleanUpHandlers();
+
+ wxDeleteStockObjects();
+
+ wxDeleteStockLists();
+
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
+
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ wxPendingEvents = NULL;
+
+ delete wxPendingEventsLocker;
+ wxPendingEventsLocker = NULL;
+
+#if wxUSE_VALIDATORS
+ // If we don't do the following, we get an apparent memory leak.
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
}
// ----------------------------------------------------------------------------
-// initialization and termination
+// OnXXX() hooks
// ----------------------------------------------------------------------------
-#if wxUSE_GUI
bool wxAppBase::OnInitGui()
{
#ifdef __WXUNIVERSAL__
- if ( !wxTheme::CreateDefault() )
+ if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
return FALSE;
#endif // __WXUNIVERSAL__
return TRUE;
}
-#endif // wxUSE_GUI
-int wxAppBase::OnExit()
+int wxAppBase::OnRun()
{
-#if wxUSE_CONFIG
- // delete the config object if any (don't use Get() here, but Set()
- // because Get() could create a new config object)
- delete wxConfigBase::Set((wxConfigBase *) NULL);
-#endif // wxUSE_CONFIG
+ // see the comment in ctor: if the initial value hasn't been changed, use
+ // the default Yes from now on
+ if ( m_exitOnFrameDelete == Later )
+ {
+ m_exitOnFrameDelete = Yes;
+ }
+ //else: it has been changed, assume the user knows what he is doing
-#ifdef __WXUNIVERSAL__
- delete wxTheme::Set(NULL);
-#endif // __WXUNIVERSAL__
+ return MainLoop();
+}
- return 0;
+void wxAppBase::Exit()
+{
+ ExitMainLoop();
+}
+
+wxAppTraits *wxAppBase::CreateTraits()
+{
+ return new wxGUIAppTraits;
}
-// ---------------------------------------------------------------------------
-// wxAppBase
+// ----------------------------------------------------------------------------
+// misc
// ----------------------------------------------------------------------------
-void wxAppBase::ProcessPendingEvents()
+void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
{
- // ensure that we're the only thread to modify the pending events list
- wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+ if ( active == m_isActive )
+ return;
- if ( !wxPendingEvents )
+ m_isActive = active;
+
+ wxActivateEvent event(wxEVT_ACTIVATE_APP, active);
+ event.SetEventObject(this);
+
+ (void)ProcessEvent(event);
+}
+
+void wxAppBase::DeletePendingObjects()
+{
+ wxNode *node = wxPendingDelete.GetFirst();
+ while (node)
{
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
- return;
+ wxObject *obj = node->GetData();
+
+ delete obj;
+
+ if (wxPendingDelete.Member(obj))
+ delete node;
+
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.GetFirst();
}
+}
- // iterate until the list becomes empty
- wxNode *node = wxPendingEvents->First();
+// Returns TRUE if more time is needed.
+bool wxAppBase::ProcessIdle()
+{
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ node = wxTopLevelWindows.GetFirst();
while (node)
{
- wxEvtHandler *handler = (wxEvtHandler *)node->Data();
- delete node;
+ wxWindow* win = node->GetData();
+ win->ProcessInternalIdle();
+ node = node->GetNext();
+ }
- // In ProcessPendingEvents(), new handlers might be add
- // and we can safely leave the critical section here.
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
- handler->ProcessPendingEvents();
- wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+ wxIdleEvent event;
+ event.SetEventObject(this);
+ bool processed = ProcessEvent(event);
- node = wxPendingEvents->First();
+ wxUpdateUIEvent::ResetUpdateTime();
+
+ return processed && event.MoreRequested();
+}
+
+// Send idle event to all top-level windows
+bool wxAppBase::SendIdleEvents()
+{
+ bool needMore = FALSE;
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
+ needMore = TRUE;
+ node = node->GetNext();
}
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
+ return needMore;
}
+// Send idle event to window and all subwindows
+bool wxAppBase::SendIdleEvents(wxWindow* win)
+{
+ bool needMore = FALSE;
+
+ if (wxIdleEvent::CanSend(win))
+ {
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
+
+ needMore = event.MoreRequested();
+ }
+
+ wxWindowList::Node *node = win->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *win = node->GetData();
+ if (SendIdleEvents(win))
+ needMore = TRUE;
+
+ node = node->GetNext();
+ }
+
+ return needMore;
+}
+
+
// ----------------------------------------------------------------------------
-// misc
+// wxGUIAppTraitsBase
// ----------------------------------------------------------------------------
-#if wxUSE_GUI
+#if wxUSE_LOG
-void wxAppBase::SetActive(bool active, wxWindow *lastFocus)
+wxLog *wxGUIAppTraitsBase::CreateLogTarget()
{
- static wxWindow *s_lastFocus = (wxWindow *)NULL;
+ return new wxLogGui;
+}
- m_isActive = active;
+#endif // wxUSE_LOG
- // if we're being deactivated remember the last focused window
- if ( !active )
- {
- s_lastFocus = lastFocus;
- }
+wxMessageOutput *wxGUIAppTraitsBase::CreateMessageOutput()
+{
+ // The standard way of printing help on command line arguments (app --help)
+ // is (according to common practice):
+ // - console apps: to stderr (on any platform)
+ // - GUI apps: stderr on Unix platforms (!)
+ // message box under Windows and others
+#ifdef __UNIX__
+ return new wxMessageOutputStderr;
+#else // !__UNIX__
+ // wxMessageOutputMessageBox doesn't work under Motif
+ #ifdef __WXMOTIF__
+ return new wxMessageOutputLog;
+ #else
+ return new wxMessageOutputMessageBox;
+ #endif
+#endif // __UNIX__/!__UNIX__
+}
+
+#if wxUSE_FONTMAP
- if ( s_lastFocus )
+wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper()
+{
+ return new wxFontMapper;
+}
+
+#endif // wxUSE_FONTMAP
+
+#ifdef __WXDEBUG__
+
+bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
+{
+ // 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
+ // 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"),
+ wxYES_NO | wxCANCEL | wxICON_STOP ) )
{
- // give the focused window the chance to refresh itself if its
- // appearance depends on the app activation state
- wxActivateEvent event(wxEVT_ACTIVATE, active);
- s_lastFocus->GetEventHandler()->ProcessEvent(event);
+ case wxYES:
+ wxTrap();
+ break;
+
+ case wxCANCEL:
+ // no more asserts
+ return true;
+
+ //case wxNO: nothing to do
}
+
+ return false;
+#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG
+}
+
+#endif // __WXDEBUG__
+
+bool wxGUIAppTraitsBase::HasStderr()
+{
+ // we consider that under Unix stderr always goes somewhere, even if the
+ // user doesn't always see it under GUI desktops
+#ifdef __UNIX__
+ return true;
+#else
+ return false;
+#endif
+}
+
+void wxGUIAppTraitsBase::ScheduleForDestroy(wxObject *object)
+{
+ if ( !wxPendingDelete.Member(object) )
+ wxPendingDelete.Append(object);
+}
+
+void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
+{
+ wxPendingDelete.DeleteObject(object);
}
-#endif // wxUSE_GUI
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