X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8461e4c253d4cec65e8f0320246a56d22555eb5e..bfeeb7f3a236f556bfc0f5dc79229b35ed52bd76:/src/gtk/app.cpp?ds=sidebyside diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 0ef365ec05..8eebbeb35c 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: app.cpp +// Name: src/gtk/app.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,306 +7,378 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "app.h" +#ifdef __VMS +// vms_jackets.h should for proper working be included before anything else +# include +#undef ConnectionNumber #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/app.h" -#include "wx/gdicmn.h" -#include "wx/utils.h" -#include "wx/intl.h" -#include "wx/log.h" -#include "wx/memory.h" -#include "wx/font.h" -#include "wx/settings.h" -#include "wx/dialog.h" - -#if wxUSE_WX_RESOURCES - #include "wx/resource.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/memory.h" + #include "wx/font.h" #endif -#include "wx/module.h" -#include "wx/image.h" +#include "wx/file.h" +#include "wx/filename.h" +#include "wx/thread.h" + +#ifdef __WXGPE__ + #include +#endif #ifdef __WXUNIVERSAL__ #include "wx/univ/theme.h" #include "wx/univ/renderer.h" #endif -#if wxUSE_THREADS - #include "wx/thread.h" -#endif - #include -#include "wx/gtk/win_gtk.h" -#include +#ifdef HAVE_POLL + #if defined(__VMS) + #include + #else + // bug in the OpenBSD headers: at least in 3.1 there is no extern "C" + // in neither poll.h nor sys/poll.h which results in link errors later + #ifdef __OPENBSD__ + extern "C" + { + #endif + + #include + + #ifdef __OPENBSD__ + }; + #endif + #endif // platform +#else // !HAVE_POLL + // we implement poll() ourselves using select() which is supposed exist in + // all modern Unices + #include + #include + #include + #ifdef HAVE_SYS_SELECT_H + #include + #endif +#endif // HAVE_POLL/!HAVE_POLL + +#include "wx/unix/private.h" +#include "wx/gtk/win_gtk.h" +#include "wx/gtk/private.h" +#include //----------------------------------------------------------------------------- -// global data +// link GnomeVFS //----------------------------------------------------------------------------- -wxApp *wxTheApp = (wxApp *) NULL; -wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; +#if wxUSE_LIBGNOMEVFS +#include "wx/html/forcelnk.h" +FORCE_LINK(gnome_vfs) +#endif -extern bool g_isIdle; +//----------------------------------------------------------------------------- +// global data +//----------------------------------------------------------------------------- -bool g_mainThreadLocked = FALSE; -gint g_pendingTag = 0; +bool g_mainThreadLocked = false; static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- -// local functions +// idle system //----------------------------------------------------------------------------- -/* forward declaration */ -gint wxapp_idle_callback( gpointer WXUNUSED(data) ); -gint wxapp_pending_callback( gpointer WXUNUSED(data) ); -void wxapp_install_idle_handler(); +void wxapp_install_idle_handler(); #if wxUSE_THREADS -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); +static wxMutex gs_idleTagsMutex; #endif -//----------------------------------------------------------------------------- -// wxExit -//----------------------------------------------------------------------------- - -void wxExit() -{ - gtk_main_quit(); -} - //----------------------------------------------------------------------------- // wxYield //----------------------------------------------------------------------------- +// not static because used by textctrl.cpp +// +// MT-FIXME +bool wxIsInsideYield = false; + bool wxApp::Yield(bool onlyIfNeeded) { - // MT-FIXME - static bool s_inYield = FALSE; - - if ( s_inYield ) + if ( wxIsInsideYield ) { if ( !onlyIfNeeded ) { wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + return false; } #if wxUSE_THREADS if ( !wxThread::IsMain() ) { // can't call gtk_main_iteration() from other threads like this - return TRUE; + return true; } #endif // wxUSE_THREADS - s_inYield = TRUE; + wxIsInsideYield = true; - if (!g_isIdle) - { - // We need to remove idle callbacks or the loop will - // never finish. - gtk_idle_remove( m_idleTag ); - m_idleTag = 0; - g_isIdle = TRUE; - } + // We need to remove idle callbacks or the loop will + // never finish. + RemoveIdleSource(); +#if wxUSE_LOG // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c wxLog::Suspend(); +#endif while (gtk_events_pending()) gtk_main_iteration(); - /* 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 ( ProcessIdle() ) - { - } + // 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). But we + // call ProcessIdle() only once since this is not meant for longish + // background jobs (controlled by wxIdleEvent::RequestMore() and the + // return value of Processidle(). + ProcessIdle(); +#if wxUSE_LOG // let the logs be flashed again wxLog::Resume(); +#endif - s_inYield = FALSE; + wxIsInsideYield = false; - return TRUE; + return true; } //----------------------------------------------------------------------------- // wxWakeUpIdle //----------------------------------------------------------------------------- -void wxWakeUpIdle() -{ -#if wxUSE_THREADS - if (!wxThread::IsMain()) - wxMutexGuiEnter(); -#endif - - if (g_isIdle) - wxapp_install_idle_handler(); +// RR/KH: No wxMutexGui calls are needed here according to the GTK faq, +// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent. -#if wxUSE_THREADS - if (!wxThread::IsMain()) - wxMutexGuiLeave(); -#endif +void wxApp::WakeUpIdle() +{ + wxapp_install_idle_handler(); } //----------------------------------------------------------------------------- // local functions //----------------------------------------------------------------------------- -gint wxapp_pending_callback( gpointer WXUNUSED(data) ) +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" { - 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(); +// One-shot emission hook for "event" signal, to install idle handler. +// This will be called when the "event" signal is issued on any GtkWidget object. +static gboolean +event_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer) +{ + wxapp_install_idle_handler(); + // remove hook + return false; +} - // Return FALSE to indicate that no more idle events are - // to be sent (single shot instead of continuous stream) - return FALSE; +static inline void wxAddEmissionHook() +{ + // add emission hook for "event" signal, to re-install idle handler when needed + guint sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET); + g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL); } -gint wxapp_idle_callback( gpointer WXUNUSED(data) ) +static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) - return TRUE; + return false; #ifdef __WXDEBUG__ // don't generate the idle events while the assert modal dialog is shown, // this completely confuses the apps which don't expect to be reentered // from some safely-looking functions if ( wxTheApp->IsInAssert() ) - { - return TRUE; - } + return false; #endif // __WXDEBUG__ - // when getting called from GDK's time-out handler + // 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 + // 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; + // Indicate that we are now in idle mode and event handlers + // will have to reinstall the idle handler again. + { +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + g_isIdle = true; + wxTheApp->m_idleTag = 0; + } + + bool moreIdles; - // Sent idle event to all who request them as long as they do - while (wxTheApp->ProcessIdle()) + // Send idle event to all who request them as long as + // no events have popped up in the event queue. + while ( (moreIdles = wxTheApp->ProcessIdle()) && gtk_events_pending() == 0) ; // 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; + if (!moreIdles) + wxAddEmissionHook(); + + // Return FALSE if no more idle events are to be sent + return moreIdles; } -void wxapp_install_idle_handler() -{ - wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); +#if wxUSE_THREADS - g_isIdle = FALSE; +#ifdef HAVE_POLL + #define wxPoll poll + #define wxPollFd pollfd +#else // !HAVE_POLL - if (g_pendingTag == 0) - g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); +typedef GPollFD wxPollFd; - /* 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. */ +int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) +{ + // convert timeout from ms to struct timeval (s/us) + timeval tv_timeout; + tv_timeout.tv_sec = timeout/1000; + tv_timeout.tv_usec = (timeout%1000)*1000; - wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); -} + // remember the highest fd used here + int fdMax = -1; -#if wxUSE_THREADS + // and fill the sets for select() + fd_set readfds; + fd_set writefds; + fd_set exceptfds; + wxFD_ZERO(&readfds); + wxFD_ZERO(&writefds); + wxFD_ZERO(&exceptfds); -static int g_threadUninstallLevel = 0; + unsigned int i; + for ( i = 0; i < nfds; i++ ) + { + wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") ); -void wxapp_install_thread_wakeup() -{ - g_threadUninstallLevel++; + if ( ufds[i].events & G_IO_IN ) + wxFD_SET(ufds[i].fd, &readfds); - if (g_threadUninstallLevel != 1) return; + if ( ufds[i].events & G_IO_PRI ) + wxFD_SET(ufds[i].fd, &exceptfds); - if (wxTheApp->m_wakeUpTimerTag) return; + if ( ufds[i].events & G_IO_OUT ) + wxFD_SET(ufds[i].fd, &writefds); - wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL ); -} + if ( ufds[i].fd > fdMax ) + fdMax = ufds[i].fd; + } -void wxapp_uninstall_thread_wakeup() -{ - g_threadUninstallLevel--; + fdMax++; + int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout); + + // translate the results back + for ( i = 0; i < nfds; i++ ) + { + ufds[i].revents = 0; - if (g_threadUninstallLevel != 0) return; + if ( wxFD_ISSET(ufds[i].fd, &readfds ) ) + ufds[i].revents |= G_IO_IN; - if (!wxTheApp->m_wakeUpTimerTag) return; + if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) ) + ufds[i].revents |= G_IO_PRI; + + if ( wxFD_ISSET(ufds[i].fd, &writefds ) ) + ufds[i].revents |= G_IO_OUT; + } - gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); - wxTheApp->m_wakeUpTimerTag = 0; + return res; } -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) +#endif // HAVE_POLL/!HAVE_POLL + +static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) { - // 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; - g_mainThreadLocked = TRUE; + // we rely on the fact that glib GPollFD struct is really just pollfd but + // I wonder how wise is this in the long term (VZ) + gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout ); - // wake up other threads - wxUsleep( 1 ); - - // block other thread again wxMutexGuiEnter(); + g_mainThreadLocked = false; - g_mainThreadLocked = FALSE; - - wxapp_install_thread_wakeup(); - - // release lock again gdk_threads_leave(); - return TRUE; + return res; } #endif // wxUSE_THREADS +} // extern "C" + +void wxapp_install_idle_handler() +{ +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + + // Don't install the handler if it's already installed. This test *MUST* + // be done when gs_idleTagsMutex is locked! + if (!g_isIdle) + return; + + // GD: this assert is raised when using the thread sample (which works) + // so the test is probably not so easy. Can widget callbacks be + // triggered from child threads and, if so, for which widgets? + // wxASSERT_MSG( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") ); + + wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); + + g_isIdle = false; + + // 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 = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL); +} + +//----------------------------------------------------------------------------- +// Access to the root window global +//----------------------------------------------------------------------------- + +GtkWidget* wxGetRootWindow() +{ + if (gs_RootWindow == NULL) + { + gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + gtk_widget_realize( gs_RootWindow ); + } + return gs_RootWindow; +} + //----------------------------------------------------------------------------- // wxApp //----------------------------------------------------------------------------- @@ -314,597 +386,233 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) + EVT_IDLE(wxAppBase::OnIdle) END_EVENT_TABLE() wxApp::wxApp() { - m_initialized = FALSE; #ifdef __WXDEBUG__ - m_isInAssert = FALSE; + m_isInAssert = false; #endif // __WXDEBUG__ m_idleTag = 0; + g_isIdle = true; wxapp_install_idle_handler(); #if wxUSE_THREADS - m_wakeUpTimerTag = 0; - wxapp_install_thread_wakeup(); + g_main_context_set_poll_func( NULL, wxapp_poll_func ); #endif - m_colorCube = (unsigned char*) NULL; - // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp m_glVisualInfo = (void *) NULL; + m_glFBCInfo = (void *) NULL; } wxApp::~wxApp() { - if (m_idleTag) gtk_idle_remove( m_idleTag ); - -#if wxUSE_THREADS - wxapp_uninstall_thread_wakeup(); -#endif - - if (m_colorCube) free(m_colorCube); + if (m_idleTag) + g_source_remove( m_idleTag ); } bool wxApp::OnInitGui() { if ( !wxAppBase::OnInitGui() ) - return FALSE; - - GdkVisual *visual = gdk_visual_get_system(); + return false; // if this is a wxGLApp (derived from wxApp), and we've already // chosen a specific visual, then derive the GdkVisual from that - if (m_glVisualInfo != NULL) { -#ifdef __WXGTK20__ - /* seems gtk_widget_set_default_visual no longer exists? */ + if (m_glVisualInfo != NULL) + { + // seems gtk_widget_set_default_visual no longer exists? GdkVisual* vis = gtk_widget_get_default_visual(); -#else - GdkVisual* vis = gdkx_visual_get( - ((XVisualInfo *) m_glVisualInfo) ->visualid ); - gtk_widget_set_default_visual( vis ); -#endif GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); gtk_widget_set_default_colormap( colormap ); - - visual = vis; } - - /* 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? */ - else if ((gdk_visual_get_best() != gdk_visual_get_system()) && - (m_useBestVisual)) + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. + + else + 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() -{ - wxIdleEvent event; - event.SetEventObject( this ); - ProcessEvent( event ); - - return event.MoreRequested(); + return true; } -void wxApp::OnIdle( wxIdleEvent &event ) +GdkVisual *wxApp::GetGdkVisual() { - 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 */ - bool needMore = SendIdleEvents(); - - if (needMore) - 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); - - win->OnInternalIdle(); - - if (event.MoreRequested()) - needMore = TRUE; + GdkVisual *visual = NULL; - 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() -{ - gtk_main(); - return 0; -} - -void wxApp::ExitMainLoop() -{ - if (gtk_main_level() > 0) - gtk_main_quit(); -} - -bool wxApp::Initialized() -{ - return m_initialized; -} - -bool wxApp::Pending() -{ - return (gtk_events_pending() > 0); -} - -void wxApp::Dispatch() -{ - gtk_main_iteration(); -} - -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(); - } -} - -bool wxApp::Initialize() -{ - wxBuffer = new wxChar[BUFSIZ + 512]; - - wxClassInfo::InitializeClasses(); - - wxSystemSettings::Init(); - -#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(); - - wxInitializeStockLists(); - wxInitializeStockObjects(); - -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif - - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; - - return TRUE; -} - -void wxApp::CleanUp() -{ - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); -#endif - - if (wxTheColourDatabase) - delete wxTheColourDatabase; - - wxTheColourDatabase = (wxColourDatabase*) NULL; - - wxDeleteStockObjects(); - - wxDeleteStockLists(); - - 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 (m_glVisualInfo) + visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); + else + visual = gdk_drawable_get_visual( wxGetRootWindow()->window ); -#if wxUSE_LOG - // do this as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); + wxASSERT( visual ); - wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); - if (oldLog) - delete oldLog; -#endif // wxUSE_LOG + return visual; } -//----------------------------------------------------------------------------- -// Access to the root window global -//----------------------------------------------------------------------------- - -GtkWidget* wxGetRootWindow() +bool wxApp::Initialize(int& argc, wxChar **argv) { - if (gs_RootWindow == NULL) { - gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); - gtk_widget_realize( gs_RootWindow ); - } - return gs_RootWindow; -} - -//----------------------------------------------------------------------------- -// wxEntry -//----------------------------------------------------------------------------- + bool init_result; - -int wxEntryStart( int argc, char *argv[] ) -{ #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 - { + if (!g_thread_supported()) g_thread_init(NULL); - } -#endif +#endif // wxUSE_THREADS gtk_set_locale(); // 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 - - gdk_threads_enter(); - - gtk_init( &argc, &argv ); - - wxSetDetectableAutoRepeat( TRUE ); - - if (!wxApp::Initialize()) +#else // !wxUSE_WCHAR_T + if (!wxOKlibc()) + wxConvCurrent = (wxMBConv*) NULL; +#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T + + // decide which conversion to use for the file names + + // (1) this variable exists for the sole purpose of specifying the encoding + // of the filenames for GTK+ programs, so use it if it is set + wxString encName(wxGetenv(_T("G_FILENAME_ENCODING"))); + encName = encName.BeforeFirst(_T(',')); + if (encName == _T("@locale")) + encName.clear(); + encName.MakeUpper(); +#if wxUSE_INTL + if (encName.empty()) { - gdk_threads_leave(); - return -1; + // (2) if a non default locale is set, assume that the user wants his + // filenames in this locale too + encName = wxLocale::GetSystemEncodingName().Upper(); + // (3) finally use UTF-8 by default + if (encName.empty() || encName == _T("US-ASCII")) + encName = _T("UTF-8"); + wxSetEnv(_T("G_FILENAME_ENCODING"), encName); } +#else + if (encName.empty()) + encName = _T("UTF-8"); +#endif // wxUSE_INTL + static wxConvBrokenFileNames fileconv(encName); + wxConvFileName = &fileconv; - return 0; -} - - -int wxEntryInitGui() -{ - int retValue = 0; - - if ( !wxTheApp->OnInitGui() ) - retValue = -1; - - wxGetRootWindow(); - - return retValue; -} - - -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(); -} - - - -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) + // gtk_init() wants UTF-8, not wchar_t, so convert + int i; + char **argvGTK = new char *[argc + 1]; + for ( i = 0; i < argc; i++ ) { - wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc])); - mb_argc++; + argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i])); } - wxTheApp->argv[mb_argc] = (wxChar *)NULL; -#else - wxTheApp->argv = argv; -#endif - wxString name(wxFileNameFromPath(argv[0])); - wxStripExtension( name ); - wxTheApp->SetAppName( name ); + argvGTK[argc] = NULL; - int retValue; - retValue = wxEntryInitGui(); + int argcGTK = argc; - // Here frames insert themselves automatically into wxTopLevelWindows by - // getting created in OnInit(). - if ( retValue == 0 ) - { - if ( !wxTheApp->OnInit() ) - retValue = -1; - } +#ifdef __WXGPE__ + init_result = true; // is there a _check() version of this? + gpe_application_init( &argcGTK, &argvGTK ); +#else + init_result = gtk_init_check( &argcGTK, &argvGTK ); +#endif - if ( retValue == 0 ) + if ( argcGTK != argc ) { - /* 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()) + // we have to drop the parameters which were consumed by GTK+ + for ( i = 0; i < argcGTK; i++ ) { - wxTheApp->OnRun(); - - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if (topWindow) + while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 ) { - /* 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 ); - } + memmove(argv + i, argv + i + 1, argc - i); } - - retValue = wxTheApp->OnExit(); } + + argc = argcGTK; } + //else: gtk_init() didn't modify our parameters - wxEntryCleanup(); + // free our copy + for ( i = 0; i < argcGTK; i++ ) + { + free(argvGTK[i]); + } - return retValue; -} + delete [] argvGTK; +#else // !wxUSE_UNICODE + // gtk_init() shouldn't actually change argv itself (just its contents) so + // it's ok to pass pointer to it + init_result = gtk_init_check( &argc, &argv ); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE -#ifndef __WXUNIVERSAL__ + if (!init_result) { + wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?")); + return false; + } -#include "wx/gtk/info.xpm" -#include "wx/gtk/error.xpm" -#include "wx/gtk/question.xpm" -#include "wx/gtk/warning.xpm" + // we can not enter threads before gtk_init is done + gdk_threads_enter(); -wxIcon wxApp::GetStdIcon(int which) const -{ - switch(which) + if ( !wxAppBase::Initialize(argc, argv) ) { - case wxICON_INFORMATION: - return wxIcon(info_xpm); + gdk_threads_leave(); - case wxICON_QUESTION: - return wxIcon(question_xpm); + return false; + } - case wxICON_EXCLAMATION: - return wxIcon(warning_xpm); + wxSetDetectableAutoRepeat( true ); - default: - wxFAIL_MSG(wxT("requested non existent standard icon")); - // still fall through +#if wxUSE_INTL + wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); +#endif - case wxICON_HAND: - return wxIcon(error_xpm); - } + return true; } -#else -wxIcon wxApp::GetStdIcon(int which) const + +void wxApp::CleanUp() { - return wxTheme::Get()->GetRenderer()->GetStdIcon(which); -} -#endif // !__WXUNIVERSAL__ + gdk_threads_leave(); + wxAppBase::CleanUp(); +} #ifdef __WXDEBUG__ -void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) +void wxApp::OnAssertFailure(const wxChar *file, + int line, + const wxChar* func, + const wxChar* cond, + const wxChar *msg) { - m_isInAssert = TRUE; + m_isInAssert = true; - wxAppBase::OnAssert(file, line, msg); + wxAppBase::OnAssertFailure(file, line, func, cond, msg); - m_isInAssert = FALSE; + m_isInAssert = false; } #endif // __WXDEBUG__ +void wxApp::RemoveIdleSource() +{ +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + if (m_idleTag != 0) + { + g_source_remove(m_idleTag); + m_idleTag = 0; + g_isIdle = true; + wxAddEmissionHook(); + } +}