// Name: app.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling, Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
#endif
#include "wx/app.h"
#include "wx/gdicmn.h"
#include "wx/utils.h"
-#include "wx/postscrp.h"
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/memory.h"
#include "wx/font.h"
#include "wx/settings.h"
-#include "wx/resource.h"
+#include "wx/dialog.h"
-#include "unistd.h"
+#if wxUSE_WX_RESOURCES
+ #include "wx/resource.h"
+#endif
+
+#include "wx/module.h"
+#include "wx/image.h"
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
#endif
+#include <unistd.h>
+
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+#include "wx/gtk/win_gtk.h"
+
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+
+extern bool g_isIdle;
+
+bool g_mainThreadLocked = FALSE;
+gint g_pendingTag = 0;
-extern wxList wxPendingDelete;
-extern wxResourceCache *wxTheResourceCache;
+GtkWidget *wxRootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+/* forward declaration */
+gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+gint wxapp_pending_callback( gpointer WXUNUSED(data) );
+void wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) );
+#endif
//-----------------------------------------------------------------------------
-// global functions
+// wxExit
//-----------------------------------------------------------------------------
-void wxExit(void)
+void wxExit()
{
- gtk_main_quit();
+ gtk_main_quit();
}
-bool wxYield(void)
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
+
+static bool gs_inYield = FALSE;
+
+bool wxYield()
{
- while (gtk_events_pending() > 0) gtk_main_iteration();
- return TRUE;
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ {
+ // can't call gtk_main_iteration() from other threads like this
+ return TRUE;
+ }
+#endif // wxUSE_THREADS
+
+#ifdef __WXDEBUG__
+ if (gs_inYield)
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+#endif
+
+ gs_inYield = TRUE;
+
+ if (!g_isIdle)
+ {
+ // We need to remove idle callbacks or the loop will
+ // never finish.
+ gtk_idle_remove( wxTheApp->m_idleTag );
+ wxTheApp->m_idleTag = 0;
+ g_isIdle = TRUE;
+ }
+
+ while (gtk_events_pending())
+ gtk_main_iteration();
+
+ // disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ wxLog::Suspend();
+
+ /* 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()) { }
+
+ // let the logs be flashed again
+ wxLog::Resume();
+
+ gs_inYield = FALSE;
+
+ return TRUE;
}
//-----------------------------------------------------------------------------
-// wxApp
+// wxYieldIfNeeded
+// Like wxYield, but fails silently if the yield is recursive.
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
+bool wxYieldIfNeeded()
+{
+ if (gs_inYield)
+ return FALSE;
+
+ return wxYield();
+}
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
+
+void wxWakeUpIdle()
+{
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
+
+gint wxapp_pending_callback( gpointer WXUNUSED(data) )
+{
+ if (!wxTheApp) return TRUE;
+
+ // when getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves
+ gdk_threads_enter();
+
+ // Sent idle event to all who request them
+ wxTheApp->ProcessPendingEvents();
+
+ g_pendingTag = 0;
+
+ /* flush the logged messages if any */
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ // Release lock again
+ gdk_threads_leave();
+
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
+}
gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
- if (wxTheApp) while (wxTheApp->ProcessIdle()) {}
- usleep( 10000 );
- return TRUE;
+ if (!wxTheApp) return TRUE;
+
+ // when getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves
+ gdk_threads_enter();
+
+ /* Indicate that we are now in idle mode - even so deeply
+ in idle mode that we don't get any idle events anymore.
+ this is like wxMSW where an idle event is sent only
+ once each time after the event queue has been completely
+ emptied */
+ g_isIdle = TRUE;
+ wxTheApp->m_idleTag = 0;
+
+ // Sent idle event to all who request them
+ while (wxTheApp->ProcessIdle()) { }
+
+ // Release lock again
+ gdk_threads_leave();
+
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
}
-wxApp::wxApp()
+void wxapp_install_idle_handler()
+{
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+
+ g_isIdle = FALSE;
+
+ if (g_pendingTag == 0)
+ g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+
+ /* This routine gets called by all event handlers
+ indicating that the idle is over. It may also
+ get called from other thread for sending events
+ to the main thread (and processing these in
+ idle time). Very low priority. */
+
+ wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+}
+
+#if wxUSE_THREADS
+
+static int g_threadUninstallLevel = 0;
+
+void wxapp_install_thread_wakeup()
+{
+ g_threadUninstallLevel++;
+
+ if (g_threadUninstallLevel != 1) return;
+
+ if (wxTheApp->m_wakeUpTimerTag) return;
+
+ wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+}
+
+void wxapp_uninstall_thread_wakeup()
{
- m_idleTag = 0;
- m_topWindow = (wxWindow *) NULL;
- m_exitOnFrameDelete = TRUE;
- wxTheApp = this;
+ g_threadUninstallLevel--;
+
+ if (g_threadUninstallLevel != 0) return;
+
+ if (!wxTheApp->m_wakeUpTimerTag) return;
+
+ gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
+ wxTheApp->m_wakeUpTimerTag = 0;
}
-wxApp::~wxApp(void)
+gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
{
- gtk_idle_remove( m_idleTag );
+ // when getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves
+ gdk_threads_enter();
+
+ wxapp_uninstall_thread_wakeup();
+
+ // unblock other threads wishing to do some GUI things
+ wxMutexGuiLeave();
+
+ g_mainThreadLocked = TRUE;
+
+ // wake up other threads
+ wxUsleep( 1 );
+
+ // block other thread again
+ wxMutexGuiEnter();
+
+ g_mainThreadLocked = FALSE;
+
+ wxapp_install_thread_wakeup();
+
+ // release lock again
+ gdk_threads_leave();
+
+ return TRUE;
}
-bool wxApp::OnInit(void)
+#endif // wxUSE_THREADS
+
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+END_EVENT_TABLE()
+
+wxApp::wxApp()
{
- return TRUE;
+ wxTheApp = this;
+
+ m_topWindow = (wxWindow *) NULL;
+ m_exitOnFrameDelete = TRUE;
+
+ m_idleTag = 0;
+ wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+ m_wakeUpTimerTag = 0;
+ wxapp_install_thread_wakeup();
+#endif
+
+ m_colorCube = (unsigned char*) NULL;
+
+ m_useBestVisual = FALSE;
}
-bool wxApp::OnInitGui(void)
+wxApp::~wxApp()
{
- m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
- return TRUE;
+ if (m_idleTag) gtk_idle_remove( m_idleTag );
+
+#if wxUSE_THREADS
+ wxapp_uninstall_thread_wakeup();
+#endif
+
+ if (m_colorCube) free(m_colorCube);
}
-int wxApp::OnRun(void)
+bool wxApp::OnInitGui()
{
- return MainLoop();
+ GdkVisual *visual = gdk_visual_get_system();
+
+ /* on some machines, the default visual is just 256 colours, so
+ we make sure we get the best. this can sometimes be wasteful,
+ of course, but what do these guys pay $30.000 for? */
+
+ if ((gdk_visual_get_best() != gdk_visual_get_system()) &&
+ (m_useBestVisual))
+ {
+#ifdef __WXGTK20__
+ /* seems gtk_widget_set_default_visual no longer exists? */
+ GdkVisual* vis = gtk_widget_get_default_visual();
+#else
+ GdkVisual* vis = gdk_visual_get_best();
+ gtk_widget_set_default_visual( vis );
+#endif
+
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+
+ visual = vis;
+ }
+
+ /* Nothing to do for 15, 16, 24, 32 bit displays */
+ if (visual->depth > 8) return TRUE;
+
+ /* initialize color cube for 8-bit color reduction dithering */
+
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+ m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
+
+ for (int r = 0; r < 32; r++)
+ {
+ for (int g = 0; g < 32; g++)
+ {
+ for (int b = 0; b < 32; b++)
+ {
+ int rr = (r << 3) | (r >> 2);
+ int gg = (g << 3) | (g >> 2);
+ int bb = (b << 3) | (b >> 2);
+
+ int index = -1;
+
+ GdkColor *colors = cmap->colors;
+ if (colors)
+ {
+ int max = 3 * 65536;
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = ((rr << 8) - colors[i].red);
+ int gdiff = ((gg << 8) - colors[i].green);
+ int bdiff = ((bb << 8) - colors[i].blue);
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max)
+ {
+ index = i; max = sum;
+ }
+ }
+ }
+ else
+ {
+#if (GTK_MINOR_VERSION > 0)
+ /* assume 8-bit true or static colors. this really
+ exists. */
+ GdkVisual* vis = gdk_colormap_get_visual( cmap );
+ index = (r >> (5 - vis->red_prec)) << vis->red_shift;
+ index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
+ index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
+#else
+ wxFAIL_MSG( wxT("Unsupported graphics hardware") );
+#endif
+ }
+ m_colorCube[ (r*1024) + (g*32) + b ] = index;
+ }
+ }
+ }
+
+ return TRUE;
}
-bool wxApp::ProcessIdle(void)
+bool wxApp::ProcessIdle()
{
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
+ wxIdleEvent event;
+ event.SetEventObject( this );
+ ProcessEvent( event );
- return event.MoreRequested();
+ return event.MoreRequested();
}
void wxApp::OnIdle( wxIdleEvent &event )
{
- static bool inOnIdle = FALSE;
+ static bool s_inOnIdle = FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ /* Avoid recursion (via ProcessEvent default case) */
+ if (s_inOnIdle)
+ return;
- inOnIdle = TRUE;
+ s_inOnIdle = TRUE;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ /* Resend in the main thread events which have been prepared in other
+ threads */
+ ProcessPendingEvents();
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ /* 'Garbage' collection of windows deleted with Close(). */
+ DeletePendingObjects();
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ /* Send OnIdle events to all windows */
+ bool needMore = SendIdleEvents();
- if (needMore)
- event.RequestMore(TRUE);
+ if (needMore)
+ event.RequestMore(TRUE);
- inOnIdle = FALSE;
+ s_inOnIdle = FALSE;
}
-bool wxApp::SendIdleEvents(void)
+bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
+ node = node->GetNext();
+ }
- node = node->Next();
- }
return needMore;
}
{
bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+
+ win->GetEventHandler()->ProcessEvent(event);
+
+ win->OnInternalIdle();
if (event.MoreRequested())
needMore = TRUE;
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
+ node = node->Next();
+ }
return needMore ;
}
-int wxApp::OnExit(void)
-{
- return 0;
-}
-
-int wxApp::MainLoop(void)
+int wxApp::MainLoop()
{
- gtk_main();
- return 0;
+ gtk_main();
+ return 0;
}
-void wxApp::ExitMainLoop(void)
+void wxApp::ExitMainLoop()
{
- gtk_main_quit();
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
}
-bool wxApp::Initialized(void)
+bool wxApp::Initialized()
{
- return m_initialized;
+ return m_initialized;
}
-bool wxApp::Pending(void)
+bool wxApp::Pending()
{
- return FALSE;
+ return (gtk_events_pending() > 0);
}
-void wxApp::Dispatch(void)
+void wxApp::Dispatch()
{
+ gtk_main_iteration();
}
-void wxApp::DeletePendingObjects(void)
+void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
+ wxNode *node = wxPendingDelete.First();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->Data();
- delete obj;
+ delete obj;
- if (wxPendingDelete.Member(obj))
- delete node;
+ if (wxPendingDelete.Find(obj))
+ delete node;
- node = wxPendingDelete.First();
- }
+ node = wxPendingDelete.First();
+ }
}
-wxWindow *wxApp::GetTopWindow(void)
+bool wxApp::Initialize()
{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return (wxWindow *) NULL;
- return (wxWindow*)node->Data();
-}
+ wxBuffer = new wxChar[BUFSIZ + 512];
-void wxApp::SetTopWindow( wxWindow *win )
-{
- m_topWindow = win;
-}
+ wxClassInfo::InitializeClasses();
-void wxApp::CommonInit(void)
-{
+ wxSystemSettings::Init();
-/*
-#if USE_RESOURCES
- (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+ // 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
-*/
- wxSystemSettings::Init();
- wxTheResourceCache = new wxResourceCache(wxKEY_STRING);
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
+ wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
+ wxTheColourDatabase->Initialize();
+
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
+
+#if wxUSE_WX_RESOURCES
+ wxInitializeResourceSystem();
+#endif
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules()) return FALSE;
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ return TRUE;
+}
- wxInitializeResourceSystem();
+void wxApp::CleanUp()
+{
+ wxModule::CleanUpModules();
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+#if wxUSE_WX_RESOURCES
+ wxCleanUpResourceSystem();
#endif
+ if (wxTheColourDatabase)
+ delete wxTheColourDatabase;
-/*
- wxBitmap::InitStandardHandlers();
+ wxTheColourDatabase = (wxColourDatabase*) NULL;
- g_globalCursor = new wxCursor;
-*/
-}
+ wxDeleteStockObjects();
-void wxApp::CommonCleanUp(void)
-{
- wxDELETE(wxTheColourDatabase);
- wxDELETE(wxThePrintPaperDatabase);
- wxDELETE(wxThePrintSetupData);
- wxDELETE(wxTheFontNameDirectory);
- wxDeleteStockObjects();
+ wxDeleteStockLists();
- wxFlushResources();
+ delete wxTheApp;
+ wxTheApp = (wxApp*) NULL;
- wxDELETE(wxTheResourceCache);
+ // 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
- wxDeleteStockLists();
+ wxSystemSettings::Done();
- wxCleanUpResourceSystem();
+ delete[] wxBuffer;
- wxSystemSettings::Done();
-}
+ wxClassInfo::CleanUpClasses();
-wxLog *wxApp::CreateLogTarget()
-{
- return new wxLogGui;
+ // 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
}
//-----------------------------------------------------------------------------
// wxEntry
//-----------------------------------------------------------------------------
-int wxEntry( int argc, char *argv[] )
+
+int wxEntryStart( int argc, char *argv[] )
{
- wxBuffer = new char[BUFSIZ + 512];
+#if wxUSE_THREADS
+ /* GTK 1.2 up to version 1.2.3 has broken threads */
+ if ((gtk_major_version == 1) &&
+ (gtk_minor_version == 2) &&
+ (gtk_micro_version < 4))
+ {
+ printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
+ }
+ else
+ {
+ g_thread_init(NULL);
+ }
+#endif
+
+ gtk_set_locale();
- wxClassInfo::InitializeClasses();
+ // We should have the wxUSE_WCHAR_T test on the _outside_
+#if wxUSE_WCHAR_T
+#if defined(__WXGTK20__)
+ // gtk+ 2.0 supports Unicode through UTF-8 strings
+ wxConvCurrent = &wxConvUTF8;
+#else
+ if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#endif
+#else
+ if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+ gdk_threads_enter();
- streambuf* sBuf = new wxDebugStreamBuf;
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+ gtk_init( &argc, &argv );
-#endif
+ wxSetDetectableAutoRepeat( TRUE );
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
+ if (!wxApp::Initialize())
{
- printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
- return 0;
+ gdk_threads_leave();
+ return -1;
}
- wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
-
- wxObject *test_app = app_ini();
+ return 0;
+}
- wxTheApp = (wxApp*) test_app;
- }
+int wxEntryInitGui()
+{
+ int retValue = 0;
- if (!wxTheApp)
- {
- printf( "wxWindows error: wxTheApp == NULL\n" );
- return 0;
- }
+ if ( !wxTheApp->OnInitGui() )
+ retValue = -1;
- wxTheApp->argc = argc;
- wxTheApp->argv = argv;
+ wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( wxRootWindow );
- char name[200];
- strcpy( name, argv[0] );
- strcpy( name, wxFileNameFromPath(name) );
- wxStripExtension( name );
- wxTheApp->SetAppName( name );
-
- gtk_set_locale();
-
- gtk_init( &argc, &argv );
+ return retValue;
+}
-#ifdef USE_GDK_IMLIB
- gdk_imlib_init();
+void wxEntryCleanup()
+{
+#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
+
+ wxApp::CleanUp();
+
+ gdk_threads_leave();
+}
- gtk_widget_push_visual(gdk_imlib_get_visual());
- gtk_widget_push_colormap(gdk_imlib_get_colormap());
+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;
- wxApp::CommonInit();
-
- wxTheApp->OnInitGui();
+ if (!wxTheApp)
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
+ wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
- // Here frames insert themselves automatically
- // into wxTopLevelWindows by getting created
- // in OnInit().
+ wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
- if (!wxTheApp->OnInit()) return 0;
+ wxObject *test_app = app_ini();
- wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
+ wxTheApp = (wxApp*) test_app;
+ }
- int retValue = 0;
+ wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
- if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
+ 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
- wxTheApp->DeletePendingObjects();
+ wxString name(wxFileNameFromPath(argv[0]));
+ wxStripExtension( name );
+ wxTheApp->SetAppName( name );
- wxTheApp->OnExit();
+ int retValue;
+ retValue = wxEntryInitGui();
- wxApp::CommonCleanUp();
+ // Here frames insert themselves automatically into wxTopLevelWindows by
+ // getting created in OnInit().
+ if ( retValue == 0 )
+ {
+ if ( !wxTheApp->OnInit() )
+ retValue = -1;
+ }
- wxDELETE(wxTheApp);
+ 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();
+
+ wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
+
+ 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();
+ }
+ }
- wxLog *oldLog = wxLog::SetActiveTarget( NULL );
- if (oldLog) delete oldLog;
-
- wxClassInfo::CleanUpClasses();
-
- delete[] wxBuffer;
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
-
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
-
-#endif
+ wxEntryCleanup();
- return retValue;
+ return retValue;
}
-//-----------------------------------------------------------------------------
-// main()
-//-----------------------------------------------------------------------------
-
-#if defined(AIX) || defined(AIX4) || defined(____HPUX__) || defined(NOMAIN)
-
- // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h
+#include "wx/gtk/info.xpm"
+#include "wx/gtk/error.xpm"
+#include "wx/gtk/question.xpm"
+#include "wx/gtk/warning.xpm"
-#else
+wxIcon
+wxApp::GetStdIcon(int which) const
+{
+ switch(which)
+ {
+ case wxICON_INFORMATION:
+ return wxIcon(info_xpm);
- int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+ case wxICON_QUESTION:
+ return wxIcon(question_xpm);
-#endif
+ 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);
+ }
+}
projects / wxWidgets.git / blobdiff