X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/68567a967bc8afd37a40cb9a7ee5021b9ee6cd96..8ca1a013e4e699724040ff1f514dab3b4a11d3c9:/src/gtk/app.cpp?ds=inline diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 862bf4da14..33cf2dc6a0 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: $Id$ @@ -17,86 +17,43 @@ #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" -#include "wx/msgdlg.h" -#include "wx/file.h" -#include "wx/filename.h" -#include "wx/module.h" -#include "wx/image.h" -#include "wx/thread.h" -#ifdef __WXGPE__ -#include +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/memory.h" + #include "wx/font.h" #endif -#ifdef __WXUNIVERSAL__ - #include "wx/univ/theme.h" - #include "wx/univ/renderer.h" -#endif +#include "wx/thread.h" -#if wxUSE_THREADS - #include "wx/thread.h" +#ifdef __WXGPE__ + #include #endif -#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 -#endif // HAVE_POLL/!HAVE_POLL - -#include "wx/unix/private.h" #include "wx/gtk/win_gtk.h" +#include "wx/gtk/private.h" +#include "wx/apptrait.h" -#include +#include //----------------------------------------------------------------------------- -// global data +// link GnomeVFS //----------------------------------------------------------------------------- -bool g_mainThreadLocked = FALSE; -gint g_pendingTag = 0; - -static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; +#if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS + #include "wx/link.h" + wxFORCE_LINK_MODULE(gnome_vfs) +#endif //----------------------------------------------------------------------------- -// idle system +// global data //----------------------------------------------------------------------------- -extern bool g_isIdle; - -void wxapp_install_idle_handler(); +bool g_mainThreadLocked = false; -#if wxUSE_THREADS -static wxMutex gs_idleTagsMutex; -#endif +static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- // wxYield @@ -105,7 +62,7 @@ static wxMutex gs_idleTagsMutex; // not static because used by textctrl.cpp // // MT-FIXME -bool wxIsInsideYield = FALSE; +bool wxIsInsideYield = false; bool wxApp::Yield(bool onlyIfNeeded) { @@ -116,22 +73,18 @@ bool wxApp::Yield(bool 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 - wxIsInsideYield = TRUE; - - // We need to remove idle callbacks or the loop will - // never finish. - wxTheApp->RemoveIdleTag(); + wxIsInsideYield = true; #if wxUSE_LOG // disable log flushing from here because a call to wxYield() shouldn't @@ -139,7 +92,7 @@ bool wxApp::Yield(bool onlyIfNeeded) wxLog::Suspend(); #endif - while (gtk_events_pending()) + while (EventsPending()) gtk_main_iteration(); // It's necessary to call ProcessIdle() to update the frames sizes which @@ -155,235 +108,144 @@ bool wxApp::Yield(bool onlyIfNeeded) wxLog::Resume(); #endif - wxIsInsideYield = FALSE; - - return TRUE; -} - -//----------------------------------------------------------------------------- -// wxWakeUpIdle -//----------------------------------------------------------------------------- - -// RR/KH: No wxMutexGui calls are needed here according to the GTK faq, -// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent. + wxIsInsideYield = false; -void wxApp::WakeUpIdle() -{ - wxapp_install_idle_handler(); + return true; } //----------------------------------------------------------------------------- // local functions //----------------------------------------------------------------------------- -// the callback functions must be extern "C" to comply with GTK+ declarations -extern "C" +// One-shot signal emission hook, to install idle handler. +extern "C" { +static gboolean +wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data) { + wxApp* app = wxTheApp; + if (app != NULL) + app->WakeUpIdle(); + gulong* hook_id = (gulong*)data; + // record that hook is not installed + *hook_id = 0; + // remove hook + return false; +} +} -static gint wxapp_pending_callback( gpointer WXUNUSED(data) ) +// Add signal emission hooks, to re-install idle handler when needed. +static void wx_add_idle_hooks() { - 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(); - + // "event" hook { -#if wxUSE_THREADS - wxMutexLocker lock(gs_idleTagsMutex); -#endif - g_pendingTag = 0; + static gulong hook_id = 0; + if (hook_id == 0) + { + static guint sig_id = 0; + if (sig_id == 0) + sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET); + hook_id = g_signal_add_emission_hook( + sig_id, 0, wx_emission_hook, &hook_id, NULL); + } } - - // 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; -} - -static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) -{ - if (!wxTheApp) - return TRUE; - -#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() ) + // "size_allocate" hook + // Needed to match the behavior of the old idle system, + // but probably not necessary. { - // But repaint the assertion message if necessary - if (wxTopLevelWindows.GetCount() > 0) + static gulong hook_id = 0; + if (hook_id == 0) { - wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData(); - if (win->IsKindOf(CLASSINFO(wxMessageDialog))) - win->OnInternalIdle(); + static guint sig_id = 0; + if (sig_id == 0) + sig_id = g_signal_lookup("size_allocate", GTK_TYPE_WIDGET); + hook_id = g_signal_add_emission_hook( + sig_id, 0, wx_emission_hook, &hook_id, NULL); } - return TRUE; } -#endif // __WXDEBUG__ +} - // 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(); +extern "C" { +static gboolean wxapp_idle_callback(gpointer) +{ + return wxTheApp->DoIdle(); +} +} - // Indicate that we are now in idle mode and event handlers - // will have to reinstall the idle handler again. +bool wxApp::DoIdle() +{ + guint id_save; { + // Allow another idle source to be added while this one is busy. + // Needed if an idle event handler runs a new event loop, + // for example by showing a dialog. #if wxUSE_THREADS - wxMutexLocker lock(gs_idleTagsMutex); + wxMutexLocker lock(*m_idleMutex); +#endif + id_save = m_idleSourceId; + m_idleSourceId = 0; + wx_add_idle_hooks(); +#ifdef __WXDEBUG__ + // don't generate the idle events while the assert modal dialog is shown, + // this matches the behavior of wxMSW + if (m_isInAssert) + return false; #endif - 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_enter(); + bool needMore; + do { + needMore = ProcessIdle(); + } while (needMore && gtk_events_pending() == 0); 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 - -#ifdef HAVE_POLL - #define wxPoll poll - #define wxPollFd pollfd -#else // !HAVE_POLL - -typedef GPollFD wxPollFd; - -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; - - // remember the highest fd used here - int fdMax = -1; - - // and fill the sets for select() - fd_set readfds; - fd_set writefds; - fd_set exceptfds; - wxFD_ZERO(&readfds); - wxFD_ZERO(&writefds); - wxFD_ZERO(&exceptfds); - - unsigned int i; - for ( i = 0; i < nfds; i++ ) + wxMutexLocker lock(*m_idleMutex); +#endif + // if a new idle source was added during ProcessIdle + if (m_idleSourceId != 0) { - wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") ); - - if ( ufds[i].events & G_IO_IN ) - wxFD_SET(ufds[i].fd, &readfds); - - if ( ufds[i].events & G_IO_PRI ) - wxFD_SET(ufds[i].fd, &exceptfds); - - if ( ufds[i].events & G_IO_OUT ) - wxFD_SET(ufds[i].fd, &writefds); - - if ( ufds[i].fd > fdMax ) - fdMax = ufds[i].fd; + // remove it + g_source_remove(m_idleSourceId); + m_idleSourceId = 0; } - - fdMax++; - int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout); - - // translate the results back - for ( i = 0; i < nfds; i++ ) + // if more idle processing requested + if (needMore) { - ufds[i].revents = 0; - - if ( wxFD_ISSET(ufds[i].fd, &readfds ) ) - ufds[i].revents |= G_IO_IN; - - 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; + // keep this source installed + m_idleSourceId = id_save; + return true; } - - return res; + // add hooks and remove this source + wx_add_idle_hooks(); + return false; } -#endif // HAVE_POLL/!HAVE_POLL +#if wxUSE_THREADS + +static GPollFunc wxgs_poll_func; +extern "C" { static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) { gdk_threads_enter(); 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 ); + gint res = (*wxgs_poll_func)(ufds, nfds, timeout); wxMutexGuiEnter(); - g_mainThreadLocked = FALSE; + g_mainThreadLocked = false; gdk_threads_leave(); 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; - - 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 //----------------------------------------------------------------------------- @@ -404,161 +266,95 @@ GtkWidget* wxGetRootWindow() IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) -BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxAppBase::OnIdle) -END_EVENT_TABLE() - wxApp::wxApp() { #ifdef __WXDEBUG__ - m_isInAssert = FALSE; + m_isInAssert = false; #endif // __WXDEBUG__ - - m_idleTag = 0; - g_isIdle = TRUE; - wxapp_install_idle_handler(); - #if wxUSE_THREADS - g_main_set_poll_func( wxapp_poll_func ); + m_idleMutex = NULL; #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; + m_idleSourceId = 0; } wxApp::~wxApp() { - if (m_idleTag) gtk_idle_remove( m_idleTag ); - - if (m_colorCube) free(m_colorCube); } 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) + if ( GetXVisualInfo() ) { - // seems gtk_widget_set_default_visual no longer exists? GdkVisual* vis = gtk_widget_get_default_visual(); 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. - else - if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) - { - /* seems gtk_widget_set_default_visual no longer exists? */ - GdkVisual* vis = gtk_widget_get_default_visual(); - - 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++) + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. + if (m_useBestVisual) { - for (int b = 0; b < 32; b++) + if (m_forceTrueColour) { - 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) + GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR ); + if (!visual) { - 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; - } - } + wxLogError(wxT("Unable to initialize TrueColor visual.")); + return false; } - else + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); + } + else + { + if (gdk_visual_get_best() != gdk_visual_get_system()) { - // 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; + GdkVisual* visual = gdk_visual_get_best(); + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); } - m_colorCube[ (r*1024) + (g*32) + b ] = index; } } } - return TRUE; + return true; } GdkVisual *wxApp::GetGdkVisual() { GdkVisual *visual = NULL; - if (m_glVisualInfo) - visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); + XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo(); + if ( xvi ) + visual = gdkx_visual_get( xvi->visualid ); else - visual = gdk_window_get_visual( wxGetRootWindow()->window ); + visual = gdk_drawable_get_visual( wxGetRootWindow()->window ); wxASSERT( visual ); return visual; } -bool wxApp::Initialize(int& argc, wxChar **argv) +// use unusual names for the parameters to avoid conflict with wxApp::arg[cv] +bool wxApp::Initialize(int& argc_, wxChar **argv_) { - bool init_result; + if ( !wxAppBase::Initialize(argc_, argv_) ) + return false; #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( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" ); - } - else - { - if (!g_thread_supported()) - g_thread_init(NULL); - } -#endif // wxUSE_THREADS + if (!g_thread_supported()) + g_thread_init(NULL); - gtk_set_locale(); + wxgs_poll_func = g_main_context_get_poll_func(NULL); + g_main_context_set_poll_func(NULL, wxapp_poll_func); +#endif // wxUSE_THREADS // We should have the wxUSE_WCHAR_T test on the _outside_ #if wxUSE_WCHAR_T @@ -575,7 +371,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv) // 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")) + if (encName.CmpNoCase(_T("@locale")) == 0) encName.clear(); encName.MakeUpper(); #if wxUSE_INTL @@ -592,22 +388,31 @@ bool wxApp::Initialize(int& argc, wxChar **argv) #else if (encName.empty()) encName = _T("UTF-8"); + + // if wxUSE_INTL==0 it probably indicates that only "C" locale is supported + // by the program anyhow so prevent GTK+ from calling setlocale(LC_ALL, "") + // from gtk_init_check() as it does by default + gtk_disable_setlocale(); + #endif // wxUSE_INTL static wxConvBrokenFileNames fileconv(encName); wxConvFileName = &fileconv; + + bool init_result; + #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++ ) + char **argvGTK = new char *[argc_ + 1]; + for ( i = 0; i < argc_; i++ ) { - argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i])); + argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i])); } - argvGTK[argc] = NULL; + argvGTK[argc_] = NULL; - int argcGTK = argc; + int argcGTK = argc_; #ifdef __WXGPE__ init_result = true; // is there a _check() version of this? @@ -615,19 +420,20 @@ bool wxApp::Initialize(int& argc, wxChar **argv) #else init_result = gtk_init_check( &argcGTK, &argvGTK ); #endif + wxUpdateLocaleIsUtf8(); - if ( argcGTK != argc ) + if ( argcGTK != argc_ ) { // 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 ) + while ( strcmp(wxConvUTF8.cWX2MB(argv_[i]), argvGTK[i]) != 0 ) { - memmove(argv + i, argv + i + 1, argc - i); + memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_)); } } - argc = argcGTK; + argc_ = argcGTK; } //else: gtk_init() didn't modify our parameters @@ -639,64 +445,128 @@ bool wxApp::Initialize(int& argc, wxChar **argv) delete [] argvGTK; #else // !wxUSE_UNICODE - // gtk_init() shouldn't actually change argv itself (just its contents) so + // 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 ); + init_result = gtk_init_check( &argc_, &argv_ ); #endif // wxUSE_UNICODE/!wxUSE_UNICODE - if (!init_result) { - wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?")); - return false; - } + // update internal arg[cv] as GTK+ may have removed processed options: + this->argc = argc_; + this->argv = argv_; - // we can not enter threads before gtk_init is done - gdk_threads_enter(); - - if ( !wxAppBase::Initialize(argc, argv) ) + if ( m_traits ) { - gdk_threads_leave(); + // if there are still GTK+ standard options unparsed in the command + // line, it means that they were not syntactically correct and GTK+ + // already printed a warning on the command line and we should now + // exit: + wxArrayString opt, desc; + m_traits->GetStandardCmdLineOptions(opt, desc); + + for ( int i = 0; i < argc_; i++ ) + { + // leave just the names of the options with values + const wxString str = wxString(argv_[i]).BeforeFirst('='); + + for ( size_t j = 0; j < opt.size(); j++ ) + { + // remove the leading spaces from the option string as it does + // have them + if ( opt[j].Trim(false).BeforeFirst('=') == str ) + { + // a GTK+ option can be left on the command line only if + // there was an error in (or before, in another standard + // options) it, so abort, just as we do if incorrect + // program option is given + wxLogError(_("Invalid GTK+ command line option, use \"%s --help\""), + argv_[0]); + return false; + } + } + } + } + if ( !init_result ) + { + wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?")); return false; } - wxSetDetectableAutoRepeat( TRUE ); + // we can not enter threads before gtk_init is done + gdk_threads_enter(); + + wxSetDetectableAutoRepeat( true ); #if wxUSE_INTL wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); #endif +#if wxUSE_THREADS + m_idleMutex = new wxMutex; +#endif + // make sure GtkWidget type is loaded, idle hooks need it + g_type_class_ref(GTK_TYPE_WIDGET); + WakeUpIdle(); + return true; } void wxApp::CleanUp() { + if (m_idleSourceId != 0) + g_source_remove(m_idleSourceId); +#if wxUSE_THREADS + delete m_idleMutex; + m_idleMutex = NULL; +#endif + // release reference acquired by Initialize() + g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET)); + gdk_threads_leave(); wxAppBase::CleanUp(); } -#ifdef __WXDEBUG__ - -void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) +void wxApp::WakeUpIdle() { - m_isInAssert = TRUE; - - wxAppBase::OnAssert(file, line, cond, msg); - - m_isInAssert = FALSE; +#if wxUSE_THREADS + wxMutexLocker lock(*m_idleMutex); +#endif + if (m_idleSourceId == 0) + m_idleSourceId = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL); } -#endif // __WXDEBUG__ - -void wxApp::RemoveIdleTag() +// Checking for pending events requires first removing our idle source, +// otherwise it will cause the check to always return true. +bool wxApp::EventsPending() { #if wxUSE_THREADS - wxMutexLocker lock(gs_idleTagsMutex); + wxMutexLocker lock(*m_idleMutex); #endif - if (!g_isIdle) + if (m_idleSourceId != 0) { - gtk_idle_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; - g_isIdle = TRUE; + g_source_remove(m_idleSourceId); + m_idleSourceId = 0; + wx_add_idle_hooks(); } + return gtk_events_pending() != 0; } + +#ifdef __WXDEBUG__ + +void wxApp::OnAssertFailure(const wxChar *file, + int line, + const wxChar* func, + const wxChar* cond, + const wxChar *msg) +{ + + // block wx idle events while assert dialog is showing + m_isInAssert = true; + + wxAppBase::OnAssertFailure(file, line, func, cond, msg); + + m_isInAssert = false; +} + +#endif // __WXDEBUG__