X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bf9e3e736771b247eb38ada221266733b6a601c7..c3b0c2c3dc1e2a76af69082f63149174525d97d5:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 4cd16593da..b598da0307 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -11,6 +11,11 @@ #pragma implementation "app.h" #endif +#ifdef __VMS +#include +#undef ConnectionNumber +#endif + #include "wx/app.h" #include "wx/gdicmn.h" #include "wx/utils.h" @@ -20,153 +25,129 @@ #include "wx/font.h" #include "wx/settings.h" #include "wx/dialog.h" - -#if wxUSE_WX_RESOURCES - #include "wx/resource.h" -#endif - +#include "wx/msgdlg.h" +#include "wx/file.h" +#include "wx/filename.h" #include "wx/module.h" #include "wx/image.h" +#ifdef __WXUNIVERSAL__ + #include "wx/univ/theme.h" + #include "wx/univ/renderer.h" +#endif + #if wxUSE_THREADS -#include "wx/thread.h" + #include "wx/thread.h" #endif -#include "unistd.h" +#include -#include "glib.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#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 +#endif // HAVE_POLL/!HAVE_POLL #include "wx/gtk/win_gtk.h" +#include + + //----------------------------------------------------------------------------- // global data //----------------------------------------------------------------------------- -wxApp *wxTheApp = (wxApp *) NULL; -wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; +bool g_mainThreadLocked = FALSE; +gint g_pendingTag = 0; -extern wxResourceCache *wxTheResourceCache; -extern bool g_isIdle; - -unsigned char g_palette[64*3] = -{ - 0x0, 0x0, 0x0, - 0xff, 0xff, 0xff, - 0xff, 0x0, 0x0, - 0xff, 0xff, 0x0, - 0x0, 0xff, 0x0, - 0x0, 0x0, 0xff, - 0x0, 0xff, 0xff, - 0x99, 0x99, 0x99, - 0xff, 0x88, 0x0, - 0x88, 0x0, 0x0, - 0x0, 0x88, 0x88, - 0x88, 0x88, 0x0, - 0xff, 0xcc, 0x97, - 0xbb, 0xbb, 0xbb, - 0x9f, 0x6b, 0x42, - 0x55, 0x55, 0x55, - 0xdd, 0xdd, 0xdd, - 0x77, 0x77, 0x77, - 0x33, 0x33, 0x33, - 0xcc, 0x0, 0x0, - 0xff, 0x44, 0x0, - 0xff, 0xcc, 0x0, - 0xcc, 0xcc, 0x0, - 0x60, 0x60, 0x0, - 0x0, 0x43, 0x0, - 0x0, 0x7f, 0x0, - 0x0, 0xcc, 0x0, - 0x0, 0x44, 0x44, - 0x0, 0x0, 0x44, - 0x0, 0x0, 0x88, - 0xef, 0xb1, 0x7b, - 0xdf, 0x98, 0x5f, - 0xbf, 0x87, 0x56, - 0x7f, 0x57, 0x26, - 0x5f, 0x39, 0xc, - 0x3f, 0x1c, 0x0, - 0x21, 0x0, 0x0, - 0x0, 0x43, 0x87, - 0x2d, 0x70, 0xaf, - 0x5a, 0x9e, 0xd7, - 0x87, 0xcc, 0xff, - 0xff, 0xe0, 0xba, - 0x21, 0x43, 0xf, - 0x3d, 0x5d, 0x25, - 0x59, 0x78, 0x3a, - 0x75, 0x93, 0x4f, - 0x91, 0xae, 0x64, - 0xad, 0xc8, 0x7a, - 0xf0, 0xa8, 0xef, - 0xd0, 0x88, 0xd0, - 0xaf, 0x66, 0xaf, - 0x8e, 0x44, 0x8e, - 0x6d, 0x22, 0x6d, - 0x4b, 0x0, 0x4b, - 0xff, 0xc0, 0xbc, - 0xff, 0x93, 0x91, - 0xff, 0x66, 0x67, - 0xd8, 0xf2, 0xbf, - 0xff, 0xc9, 0x68, - 0xff, 0x96, 0x67, - 0xa5, 0x60, 0xff, - 0x51, 0xff, 0x99, - 0x3f, 0xa5, 0x63, - 0x98, 0x90, 0x67 -}; +static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- -// local functions +// idle system //----------------------------------------------------------------------------- -extern void wxFlushResources(); +extern bool g_isIdle; -/* forward declaration */ -gint wxapp_idle_callback( gpointer WXUNUSED(data) ); -void wxapp_install_idle_handler(); -static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); +void wxapp_install_idle_handler(); //----------------------------------------------------------------------------- -// wxExit +// wxYield //----------------------------------------------------------------------------- -void wxExit() +// not static because used by textctrl.cpp +// +// MT-FIXME +bool wxIsInsideYield = FALSE; + +bool wxApp::Yield(bool onlyIfNeeded) { - gtk_main_quit(); -} + if ( wxIsInsideYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } -//----------------------------------------------------------------------------- -// wxYield -//----------------------------------------------------------------------------- + return FALSE; + } -bool wxYield() -{ - bool has_idle = (wxTheApp->m_idleTag != 0); +#if wxUSE_THREADS + if ( !wxThread::IsMain() ) + { + // can't call gtk_main_iteration() from other threads like this + return TRUE; + } +#endif // wxUSE_THREADS - if (has_idle) + wxIsInsideYield = TRUE; + + if (!g_isIdle) { - /* We need to temporarily remove idle callbacks or the loop will - never finish. */ - gtk_idle_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; + // We need to remove idle callbacks or the loop will + // never finish. + gtk_idle_remove( m_idleTag ); + m_idleTag = 0; + g_isIdle = TRUE; } + // disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + wxLog::Suspend(); + 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 (wxTheApp->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 (has_idle) - { - /* re-add idle handler */ - wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); - } + // let the logs be flashed again + wxLog::Resume(); + + wxIsInsideYield = FALSE; return TRUE; } @@ -175,111 +156,233 @@ bool wxYield() // wxWakeUpIdle //----------------------------------------------------------------------------- -void wxWakeUpIdle() +void wxApp::WakeUpIdle() { - if (g_isIdle) +#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_idle_callback( gpointer WXUNUSED(data) ) +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" +{ + +static gint wxapp_pending_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) return TRUE; -#if (GTK_MINOR_VERSION > 0) - /* when getting called from GDK's idle handler we - are no longer within GDK's grab on the GUI - thread so we must lock it here ourselves */ - GDK_THREADS_ENTER (); -#endif + // 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 */ - while (wxTheApp->ProcessIdle()) { } + // Sent idle event to all who request them. + wxTheApp->ProcessPendingEvents(); - /* we don't want any more idle events until the next event is - sent to wxGTK */ - gtk_idle_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; + g_pendingTag = 0; - /* 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; + // Flush the logged messages if any. +#if wxUSE_LOG + wxLog::FlushActive(); +#endif // wxUSE_LOG -#if (GTK_MINOR_VERSION > 0) - /* release lock again */ - GDK_THREADS_LEAVE (); -#endif + // Release lock again + gdk_threads_leave(); - return TRUE; + // Return FALSE to indicate that no more idle events are + // to be sent (single shot instead of continuous stream) + return FALSE; } -void wxapp_install_idle_handler() +static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { - wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); + if (!wxTheApp) + return TRUE; - /* this routine gets called by all event handlers - indicating that the idle is over. */ +#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() ) + { + // But repaint the assertion message if necessary + if (wxTopLevelWindows.GetCount() > 0) + { + wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData(); +#ifdef __WXGTK20__ + if (win->IsKindOf(CLASSINFO(wxMessageDialog))) +#else + if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog))) +#endif + win->OnInternalIdle(); + } + return TRUE; + } +#endif // __WXDEBUG__ - wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + // 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(); - g_isIdle = FALSE; + // Indicate that we are now in idle mode and event handlers + // will have to reinstall the idle handler again. + g_isIdle = TRUE; + wxTheApp->m_idleTag = 0; + + // Send idle event to all who request them as long as + // no events have popped up in the event queue. + while (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 wxUSE_THREADS -void wxapp_install_thread_wakeup() -{ - if (wxTheApp->m_wakeUpTimerTag) return; +#ifdef HAVE_POLL + #define wxPoll poll + #define wxPollFd pollfd +#else // !HAVE_POLL - wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 100, wxapp_wakeup_timerout_callback, (gpointer) NULL ); -} +typedef GPollFD wxPollFd; -void wxapp_uninstall_thread_wakeup() +int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) { - if (!wxTheApp->m_wakeUpTimerTag) return; + // 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; + + // remember the highest fd used here + int fdMax = -1; + + // and fill the sets for select() + fd_set readfds; + fd_set writefds; + fd_set exceptfds; + FD_ZERO(&readfds); + FD_ZERO(&writefds); + FD_ZERO(&exceptfds); + + unsigned int i; + for ( i = 0; i < nfds; i++ ) + { + wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") ); + + if ( ufds[i].events & G_IO_IN ) + FD_SET(ufds[i].fd, &readfds); + + if ( ufds[i].events & G_IO_PRI ) + FD_SET(ufds[i].fd, &exceptfds); + + if ( ufds[i].events & G_IO_OUT ) + FD_SET(ufds[i].fd, &writefds); - gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); - wxTheApp->m_wakeUpTimerTag = 0; + if ( ufds[i].fd > fdMax ) + fdMax = ufds[i].fd; + } + + 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 ( FD_ISSET(ufds[i].fd, &readfds ) ) + ufds[i].revents |= G_IO_IN; + + if ( FD_ISSET(ufds[i].fd, &exceptfds ) ) + ufds[i].revents |= G_IO_PRI; + + if ( FD_ISSET(ufds[i].fd, &writefds ) ) + ufds[i].revents |= G_IO_OUT; + } + + return res; } -static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) -{ - wxapp_uninstall_thread_wakeup(); +#endif // HAVE_POLL/!HAVE_POLL -#if (GTK_MINOR_VERSION > 0) - // 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 (); -#endif +static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) +{ + gdk_threads_enter(); - // unblock other threads wishing to do some GUI things wxMutexGuiLeave(); + g_mainThreadLocked = TRUE; - // wake up other threads - wxUsleep( 1 ); + // 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 ); - // block other thread again wxMutexGuiEnter(); + g_mainThreadLocked = FALSE; -#if (GTK_MINOR_VERSION > 0) - // release lock again - GDK_THREADS_LEAVE (); -#endif - - wxapp_install_thread_wakeup(); + gdk_threads_leave(); - return TRUE; + return res; } #endif // wxUSE_THREADS +} // extern "C" + +void wxapp_install_idle_handler() +{ + // 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; + + 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 ); +} + +//----------------------------------------------------------------------------- +// 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 //----------------------------------------------------------------------------- @@ -292,80 +395,81 @@ END_EVENT_TABLE() wxApp::wxApp() { - wxTheApp = this; - - m_topWindow = (wxWindow *) NULL; - m_exitOnFrameDelete = TRUE; + m_initialized = FALSE; +#ifdef __WXDEBUG__ + m_isInAssert = FALSE; +#endif // __WXDEBUG__ - m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + m_idleTag = 0; + wxapp_install_idle_handler(); #if wxUSE_THREADS - m_wakeUpTimerTag = 0; - wxapp_install_thread_wakeup(); + g_main_set_poll_func( 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; } wxApp::~wxApp() { if (m_idleTag) gtk_idle_remove( m_idleTag ); -#if wxUSE_THREADS - wxapp_uninstall_thread_wakeup(); -#endif - if (m_colorCube) free(m_colorCube); } bool wxApp::OnInitGui() { + if ( !wxAppBase::OnInitGui() ) + return FALSE; + 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()) + // 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) { - GdkVisual* vis = gdk_visual_get_best(); +#ifdef __WXGTK20__ + // 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; } -*/ - - /* Nothing to do for 15, 16, 24, 32 bit displays */ - if (visual->depth > 8) return TRUE; - /* this initiates the standard palette as defined by GdkImlib - in the GNOME libraries. it ensures that all GNOME applications - use the same 64 colormap entries on 8-bit displays so you - can use several rather graphics-heavy applications at the - same time. - NOTE: this doesn't really seem to work this way... */ + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. - /* - GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE ); + 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 - for (int i = 0; i < 64; i++) - { - GdkColor col; - col.red = g_palette[i*3 + 0] << 8; - col.green = g_palette[i*3 + 1] << 8; - col.blue = g_palette[i*3 + 2] << 8; - col.pixel = 0; + GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); + gtk_widget_set_default_colormap( colormap ); - gdk_color_alloc( cmap, &col ); - } + visual = vis; + } - gtk_widget_set_default_colormap( cmap ); - */ + // 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 */ + // initialize color cube for 8-bit color reduction dithering GdkColormap *cmap = gtk_widget_get_default_colormap(); @@ -402,16 +506,11 @@ bool wxApp::OnInitGui() } else { -#if (GTK_MINOR_VERSION > 0) - /* assume 8-bit true or static colors. this really - exists. */ + // 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; } @@ -421,12 +520,38 @@ bool wxApp::OnInitGui() return TRUE; } +GdkVisual *wxApp::GetGdkVisual() +{ + GdkVisual *visual = NULL; + + if (m_glVisualInfo) + visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); + else + visual = gdk_window_get_visual( wxGetRootWindow()->window ); + + wxASSERT( visual ); + + return visual; +} + bool wxApp::ProcessIdle() { + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); + node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow* win = node->GetData(); + CallInternalIdle( win ); + + node = node->GetNext(); + } + wxIdleEvent event; event.SetEventObject( this ); ProcessEvent( event ); + wxUpdateUIEvent::ResetUpdateTime(); + return event.MoreRequested(); } @@ -434,27 +559,20 @@ void wxApp::OnIdle( wxIdleEvent &event ) { static bool s_inOnIdle = FALSE; - /* Avoid recursion (via ProcessEvent default case) */ + // 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 */ + // Resend in the main thread events which have been prepared in other + // threads ProcessPendingEvents(); - /* 'Garbage' collection of windows deleted with Close(). */ + // 'Garbage' collection of windows deleted with Close() DeletePendingObjects(); - /* flush the logged messages if any */ -#if wxUSE_LOG - wxLog *log = wxLog::GetActiveTarget(); - if (log != NULL && log->HasPendingMessages()) - log->Flush(); -#endif // wxUSE_LOG - - /* Send OnIdle events to all windows */ + // Send OnIdle events to all windows bool needMore = SendIdleEvents(); if (needMore) @@ -473,12 +591,29 @@ bool wxApp::SendIdleEvents() wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; + node = node->GetNext(); } return needMore; } +bool wxApp::CallInternalIdle( wxWindow* win ) +{ + win->OnInternalIdle(); + + wxWindowList::Node *node = win->GetChildren().GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + + CallInternalIdle( win ); + node = node->GetNext(); + } + + return TRUE; +} + bool wxApp::SendIdleEvents( wxWindow* win ) { bool needMore = FALSE; @@ -486,23 +621,22 @@ bool wxApp::SendIdleEvents( wxWindow* win ) wxIdleEvent event; event.SetEventObject(win); - win->ProcessEvent(event); - - win->OnInternalIdle(); + win->GetEventHandler()->ProcessEvent(event); if (event.MoreRequested()) needMore = TRUE; - wxNode* node = win->GetChildren().First(); + wxWindowList::Node *node = win->GetChildren().GetFirst(); while (node) { - wxWindow* win = (wxWindow*) node->Data(); + wxWindow *win = node->GetData(); + if (SendIdleEvents(win)) needMore = TRUE; - - node = node->Next(); + node = node->GetNext(); } - return needMore ; + + return needMore; } int wxApp::MainLoop() @@ -511,11 +645,19 @@ int wxApp::MainLoop() return 0; } -void wxApp::ExitMainLoop() +void wxApp::Exit() { + // VZ: no idea why is it different from ExitMainLoop() but this is what + // wxExit() used to do gtk_main_quit(); } +void wxApp::ExitMainLoop() +{ + if (gtk_main_level() > 0) + gtk_main_quit(); +} + bool wxApp::Initialized() { return m_initialized; @@ -531,264 +673,118 @@ void wxApp::Dispatch() gtk_main_iteration(); } -void wxApp::DeletePendingObjects() +bool wxApp::Initialize(int& argc, wxChar **argv) { - wxNode *node = wxPendingDelete.First(); - while (node) +#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)) { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if (wxPendingDelete.Find(obj)) - delete node; - - node = wxPendingDelete.First(); + printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" ); } -} - -bool wxApp::Initialize() -{ - wxBuffer = new wxChar[BUFSIZ + 512]; - - wxClassInfo::InitializeClasses(); - - wxSystemSettings::Init(); - - // 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 - -/* - wxTheFontNameDirectory = new wxFontNameDirectory; - wxTheFontNameDirectory->Initialize(); -*/ - - wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING ); - wxTheColourDatabase->Initialize(); - - wxInitializeStockLists(); - wxInitializeStockObjects(); - -#if wxUSE_WX_RESOURCES - wxTheResourceCache = new wxResourceCache( wxKEY_STRING ); - - wxInitializeResourceSystem(); -#endif - - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; - - return TRUE; -} - -void wxApp::CleanUp() -{ - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxFlushResources(); - - if (wxTheResourceCache) - delete wxTheResourceCache; - wxTheResourceCache = (wxResourceCache*) NULL; - - wxCleanUpResourceSystem(); -#endif - - if (wxTheColourDatabase) - delete wxTheColourDatabase; - wxTheColourDatabase = (wxColourDatabase*) NULL; - -/* - if (wxTheFontNameDirectory) delete wxTheFontNameDirectory; - wxTheFontNameDirectory = (wxFontNameDirectory*) 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() > 0) + else { - wxLogDebug(wxT("There were memory leaks.\n")); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); + g_thread_init(NULL); } -#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 -//----------------------------------------------------------------------------- +#endif // wxUSE_THREADS -int wxEntry( int argc, char *argv[] ) -{ gtk_set_locale(); + // We should have the wxUSE_WCHAR_T test on the _outside_ #if wxUSE_WCHAR_T - if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; -#else - if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; -#endif + #if defined(__WXGTK20__) + // gtk+ 2.0 supports Unicode through UTF-8 strings + wxConvCurrent = &wxConvUTF8; + #else // GTK 1.x + if (!wxOKlibc()) + wxConvCurrent = &wxConvLocal; + #endif +#else // !wxUSE_WCHAR_T + if (!wxOKlibc()) + wxConvCurrent = (wxMBConv*) NULL; +#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T - gtk_init( &argc, &argv ); +#if wxUSE_UNICODE + // gtk_init() wants UTF-8, not wchar_t, so convert + int i; + char **argvGTK = new char *[argc + 1]; + for ( i = 0; i < argc; i++ ) + { + argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i])); + } - wxSetDetectableAutoRepeat( TRUE ); + argvGTK[argc] = NULL; - if (!wxApp::Initialize()) - return -1; + int argcGTK = argc; + gtk_init( &argcGTK, &argvGTK ); - if (!wxTheApp) + if ( argcGTK != argc ) { - 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(); + // we have to drop the parameters which were consumed by GTK+ + for ( i = 0; i < argcGTK; i++ ) + { + while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 ) + { + memmove(argv + i, argv + i + 1, argc - i); + } + } - wxTheApp = (wxApp*) test_app; + argc = argcGTK; } + //else: gtk_init() didn't modify our parameters - 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++; + // free our copy + for ( i = 0; i < argcGTK; i++ ) + { + free(argvGTK[i]); } - wxTheApp->argv[mb_argc] = (wxChar *)NULL; -#else - wxTheApp->argv = argv; -#endif - - wxString name(wxFileNameFromPath(argv[0])); - wxStripExtension( name ); - wxTheApp->SetAppName( name ); - int retValue = 0; + 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 + gtk_init( &argc, &argv ); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE - if ( !wxTheApp->OnInitGui() ) - retValue = -1; + // we can not enter threads before gtk_init is done + gdk_threads_enter(); - // Here frames insert themselves automatically into wxTopLevelWindows by - // getting created in OnInit(). - if ( retValue == 0 ) + if ( !wxAppBase::Initialize(argc, argv) ) { - if ( !wxTheApp->OnInit() ) - retValue = -1; - } + gdk_threads_leave(); - 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(); + return false; + } - wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; + wxSetDetectableAutoRepeat( TRUE ); - if (wxTheApp->Initialized()) - { - retValue = wxTheApp->OnRun(); +#if wxUSE_INTL + wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); +#endif - 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 ); - } - } - wxTheApp->OnExit(); - } - } + wxGetRootWindow(); -#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 + return true; +} - wxApp::CleanUp(); +void wxApp::CleanUp() +{ + gdk_threads_leave(); - return retValue; + wxAppBase::CleanUp(); } -#include "wx/gtk/info.xpm" -#include "wx/gtk/error.xpm" -#include "wx/gtk/question.xpm" -#include "wx/gtk/warning.xpm" +#ifdef __WXDEBUG__ -wxIcon -wxApp::GetStdIcon(int which) const +void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) { - switch(which) - { - case wxICON_INFORMATION: - return wxIcon(info_xpm); + m_isInAssert = TRUE; - case wxICON_QUESTION: - return wxIcon(question_xpm); + wxAppBase::OnAssert(file, line, cond, msg); - case wxICON_EXCLAMATION: - return wxIcon(warning_xpm); + m_isInAssert = FALSE; +} - default: - wxFAIL_MSG(wxT("requested non existent standard icon")); - // still fall through +#endif // __WXDEBUG__ - case wxICON_HAND: - return wxIcon(error_xpm); - } -}