/////////////////////////////////////////////////////////////////////////////
// Name: app.cpp
-// Purpose:
// Author: Vaclav Slavik
+// based on GTK and MSW implementations
// Id: $Id$
-// Copyright: (c) 2001 Vaclav Slavik
+// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#pragma implementation "app.h"
#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+
+#ifndef WX_PRECOMP
+ #include "wx/settings.h"
+ #include "wx/module.h"
+ #include "wx/evtloop.h"
+ #include "wx/frame.h"
+ #include "wx/dialog.h"
+ #include "wx/log.h"
+ #include "wx/intl.h"
+#endif
+
#include "wx/app.h"
-#include "wx/settings.h"
-#include "wx/module.h"
+#include "wx/fontutil.h"
+#include "wx/mgl/private.h"
+
+#define MGL_DEBUG
-#include <mgraph.hpp>
+#if defined(MGL_DEBUG) && !defined(__WXDEBUG__)
+#undef MGL_DEBUG
+#endif
//-----------------------------------------------------------------------------
// Global data
//-----------------------------------------------------------------------------
-// MGL's display DC:
-MGLDevCtx *g_displayDC = NULL;
-
-// ----
-
-wxApp *wxTheApp = (wxApp *) NULL;
+wxApp *wxTheApp = NULL;
wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-// FIXME_MGL - whole file
-
-extern bool g_isIdle;
-
-bool g_mainThreadLocked = FALSE;
+//-----------------------------------------------------------------------------
+// wxExit
+//-----------------------------------------------------------------------------
void wxExit()
{
+ MGL_exit();
exit(0);
}
// wxYield
//-----------------------------------------------------------------------------
+static bool gs_inYield = FALSE;
+
bool wxYield()
{
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ {
+ // can't process events from other threads, MGL is thread-unsafe
+ return TRUE;
+ }
+#endif // wxUSE_THREADS
+
+ gs_inYield = TRUE;
+
+ wxLog::Suspend();
+
+ if ( wxEventLoop::GetActive() )
+ {
+ while (wxEventLoop::GetActive()->Pending())
+ wxEventLoop::GetActive()->Dispatch();
+ }
+
+ /* it's necessary to call ProcessIdle() to update the frames sizes which
+ might have been changed (it also will update other things set from
+ OnUpdateUI() which is a nice (and desired) side effect) */
+ while (wxTheApp->ProcessIdle()) { }
+
+ wxLog::Resume();
+
+ gs_inYield = FALSE;
+
return TRUE;
}
+bool wxYieldIfNeeded()
+{
+ if (gs_inYield)
+ return FALSE;
+
+ return wxYield();
+}
+
+
//-----------------------------------------------------------------------------
// wxWakeUpIdle
//-----------------------------------------------------------------------------
void wxWakeUpIdle()
{
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif
+
+ while (wxTheApp->ProcessIdle()) {}
+
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif
}
//-----------------------------------------------------------------------------
END_EVENT_TABLE()
-int wxEntry( int argc, char *argv[] )
+wxApp::wxApp() : m_mainLoop(NULL)
+{
+}
+
+wxApp::~wxApp()
+{
+}
+
+bool wxApp::OnInitGui()
+{
+ if ( !wxCreateMGL_WM() )
+ return FALSE;
+
+ // This has to be done *after* wxCreateMGL_WM() because it initializes
+ // wxUniv's themes
+ if ( !wxAppBase::OnInitGui() )
+ return FALSE;
+
+#ifdef MGL_DEBUG
+ // That damn MGL redirects stdin and stdout to physical console
+ FILE *file = fopen("stderr", "wt");
+ wxLog::SetActiveTarget(new wxLogStderr(file));
+#endif
+
+ return TRUE;
+}
+
+bool wxApp::ProcessIdle()
+{
+ wxIdleEvent event;
+ event.SetEventObject(this);
+ ProcessEvent(event);
+
+ return event.MoreRequested();
+}
+
+void wxApp::OnIdle(wxIdleEvent &event)
+{
+ static bool s_inOnIdle = FALSE;
+
+ /* Avoid recursion (via ProcessEvent default case) */
+ if (s_inOnIdle)
+ return;
+
+ s_inOnIdle = TRUE;
+
+ /* Resend in the main thread events which have been prepared in other
+ threads */
+ ProcessPendingEvents();
+
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+ // Send OnIdle events to all windows
+ if ( SendIdleEvents() )
+ event.RequestMore(TRUE);
+
+ s_inOnIdle = FALSE;
+}
+
+bool wxApp::SendIdleEvents()
+{
+ bool needMore = FALSE;
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if ( SendIdleEvents(win) )
+ needMore = TRUE;
+ node = node->GetNext();
+ }
+
+ return needMore;
+}
+
+bool wxApp::SendIdleEvents(wxWindow* win)
+{
+ bool needMore = FALSE;
+
+ wxIdleEvent event;
+ event.SetEventObject(win);
+
+ win->GetEventHandler()->ProcessEvent(event);
+
+ if ( event.MoreRequested() )
+ needMore = TRUE;
+
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if ( SendIdleEvents(win) )
+ needMore = TRUE;
+
+ node = node->Next();
+ }
+ return needMore;
+}
+
+int wxApp::MainLoop()
+{
+ int rt;
+ m_mainLoop = new wxEventLoop;
+
+ rt = m_mainLoop->Run();
+
+ delete m_mainLoop;
+ m_mainLoop = NULL;
+ return rt;
+}
+
+void wxApp::ExitMainLoop()
+{
+ if ( m_mainLoop )
+ m_mainLoop->Exit(0);
+}
+
+bool wxApp::Initialized()
+{
+ return (wxTopLevelWindows.GetCount() != 0);
+}
+
+bool wxApp::Pending()
+{
+ return wxEventLoop::GetActive()->Pending();
+}
+
+void wxApp::Dispatch()
{
- return 0;
+ wxEventLoop::GetActive()->Dispatch();
}
+void wxApp::DeletePendingObjects()
+{
+ wxNode *node = wxPendingDelete.First();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->Data();
+
+ delete obj;
+
+ if ( wxPendingDelete.Find(obj) )
+ delete node;
+
+ node = wxPendingDelete.First();
+ }
+}
-// FIXME_MGL - this is temporary solution, will be removed
-// once I have wxApp up and running
-bool wxMGL_Initialize()
+bool wxApp::Initialize()
{
+ if ( MGL_init(".", NULL) == 0 )
+ return FALSE;
+
wxBuffer = new wxChar[BUFSIZ + 512];
wxClassInfo::InitializeClasses();
+
wxSystemSettings::Init();
- wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
+
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
+
+ // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ wxPendingEvents = new wxList;
+ wxPendingEventsLocker = new wxCriticalSection;
+#endif
+
+ wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
wxTheColourDatabase->Initialize();
+
+ // Can't do this in wxModule, because fonts are needed by stock lists
+ wxTheFontsManager = new wxFontsManager;
+
wxInitializeStockLists();
wxInitializeStockObjects();
+
+#if wxUSE_WX_RESOURCES
+ wxInitializeResourceSystem();
+#endif
+
wxModule::RegisterModules();
if (!wxModule::InitializeModules()) return FALSE;
+
return TRUE;
}
+#include "info.xpm"
+#include "error.xpm"
+#include "question.xpm"
+#include "warning.xpm"
+
+wxIcon wxApp::GetStdIcon(int which) const
+{
+ switch(which)
+ {
+ case wxICON_INFORMATION:
+ return wxIcon(info_xpm);
+ case wxICON_QUESTION:
+ return wxIcon(question_xpm);
+ case wxICON_EXCLAMATION:
+ return wxIcon(warning_xpm);
+ default:
+ wxFAIL_MSG(wxT("requested non existent standard icon"));
+ // still fall through
+ case wxICON_HAND:
+ return wxIcon(error_xpm);
+ }
+}
+
+void wxApp::CleanUp()
+{
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog *log = wxLog::GetActiveTarget();
+ if (log != NULL && log->HasPendingMessages())
+ log->Flush();
+
+ // continuing to use user defined log target is unsafe from now on because
+ // some resources may be already unavailable, so replace it by something
+ // more safe
+ wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
+ if ( oldlog )
+ delete oldlog;
+#endif // wxUSE_LOG
+
+ wxModule::CleanUpModules();
+
+#if wxUSE_WX_RESOURCES
+ wxCleanUpResourceSystem();
+#endif
+
+ if (wxTheColourDatabase)
+ delete wxTheColourDatabase;
+
+ wxTheColourDatabase = (wxColourDatabase*) NULL;
+
+ wxDeleteStockObjects();
+ wxDeleteStockLists();
+
+ // Can't do this in wxModule, because fonts are needed by stock lists
+ delete wxTheFontsManager;
+ wxTheFontsManager = (wxFontsManager*) NULL;
+
+ delete wxTheApp;
+ wxTheApp = (wxApp*) NULL;
+
+ // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ delete wxPendingEventsLocker;
+#endif
+
+ wxSystemSettings::Done();
+
+ delete[] wxBuffer;
+
+ wxClassInfo::CleanUpClasses();
+
+ // check for memory leaks
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+ {
+ wxLogDebug(wxT("There were memory leaks.\n"));
+ wxDebugContext::Dump();
+ wxDebugContext::PrintStatistics();
+ }
+#endif // Debug
+
+#if wxUSE_LOG
+ // do this as the very last thing because everything else can log messages
+ wxLog::DontCreateOnDemand();
+
+ wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
+ if (oldLog)
+ delete oldLog;
+#endif // wxUSE_LOG
+
+ wxDestroyMGL_WM();
+ MGL_exit();
+}
+
+
+int wxEntryStart(int argc, char *argv[])
+{
+ return wxApp::Initialize() ? 0 : -1;
+}
+
+
+int wxEntryInitGui()
+{
+ return wxTheApp->OnInitGui() ? 0 : -1;
+}
+
+
+void wxEntryCleanup()
+{
+ wxApp::CleanUp();
+}
+
+
+
+int wxEntry(int argc, char *argv[])
+{
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ // This seems to be necessary since there are 'rogue'
+ // objects present at this point (perhaps global objects?)
+ // Setting a checkpoint will ignore them as far as the
+ // memory checking facility is concerned.
+ // Of course you may argue that memory allocated in globals should be
+ // checked, but this is a reasonable compromise.
+ wxDebugContext::SetCheckpoint();
+#endif
+ int err = wxEntryStart(argc, argv);
+ if ( err )
+ return err;
+
+ if ( !wxTheApp )
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
+ wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
+
+ wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
+
+ wxObject *test_app = app_ini();
+
+ wxTheApp = (wxApp*) test_app;
+ }
+
+ wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
+
+ wxTheApp->argc = argc;
+#if wxUSE_UNICODE
+ wxTheApp->argv = new wxChar*[argc+1];
+ int mb_argc = 0;
+ while (mb_argc < argc)
+ {
+ wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
+ mb_argc++;
+ }
+ wxTheApp->argv[mb_argc] = (wxChar *)NULL;
+#else
+ wxTheApp->argv = argv;
+#endif
+
+ wxString name(wxFileNameFromPath(argv[0]));
+ wxStripExtension(name);
+ wxTheApp->SetAppName(name);
+
+ int retValue;
+ retValue = wxEntryInitGui();
+
+ // Here frames insert themselves automatically into wxTopLevelWindows by
+ // getting created in OnInit().
+ if ( retValue == 0 )
+ {
+ if ( !wxTheApp->OnInit() )
+ retValue = -1;
+ }
+
+ if ( retValue == 0 )
+ {
+ /* delete pending toplevel windows (typically a single
+ dialog) so that, if there isn't any left, we don't
+ call OnRun() */
+ wxTheApp->DeletePendingObjects();
+
+ if ( wxTheApp->Initialized() )
+ {
+ wxTheApp->OnRun();
+
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if ( topWindow )
+ {
+ /* Forcibly delete the window. */
+ if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+ topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+ {
+ topWindow->Close(TRUE);
+ wxTheApp->DeletePendingObjects();
+ }
+ else
+ {
+ delete topWindow;
+ wxTheApp->SetTopWindow((wxWindow*) NULL);
+ }
+ }
+
+ retValue = wxTheApp->OnExit();
+ }
+ }
+
+ wxEntryCleanup();
+
+ return retValue;
+}
projects / wxWidgets.git / blobdiff