X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9390a202a8b9d67d393faf3e1323885e6a27c127..e6f466082e3652bd4c84b11aa933a52b4e54dbf0:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 0df66f47b8..2041a588a7 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: $Id$ @@ -7,547 +7,586 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "app.h" -#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" -#if wxUSE_THREADS + #include "wx/thread.h" + +#ifdef __WXGPE__ + #include #endif -#include "unistd.h" -#include "glib.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "wx/gtk/win_gtk.h" +#include "wx/gtk/private.h" +#include "wx/apptrait.h" -//----------------------------------------------------------------------------- -// global data -//----------------------------------------------------------------------------- +#if wxUSE_LIBHILDON + #include +#endif // wxUSE_LIBHILDON -wxApp *wxTheApp = (wxApp *) NULL; -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +#include -extern wxList wxPendingDelete; -extern wxResourceCache *wxTheResourceCache; +//----------------------------------------------------------------------------- +// link GnomeVFS +//----------------------------------------------------------------------------- -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 -}; +#if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS + #include "wx/link.h" + wxFORCE_LINK_MODULE(gnome_vfs) +#endif //----------------------------------------------------------------------------- -// local functions +// global data //----------------------------------------------------------------------------- -extern void wxFlushResources(void); +static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- -// global functions +// wxYield //----------------------------------------------------------------------------- -void wxExit(void) -{ - gtk_main_quit(); -} +// not static because used by textctrl.cpp +// +// MT-FIXME +bool wxIsInsideYield = false; -bool wxYield(void) +bool wxApp::Yield(bool onlyIfNeeded) { - while (gtk_events_pending() > 0) gtk_main_iteration(); - return TRUE; -} + if ( wxIsInsideYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } -//----------------------------------------------------------------------------- -// wxApp -//----------------------------------------------------------------------------- + return false; + } -IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) +#if wxUSE_THREADS + if ( !wxThread::IsMain() ) + { + // can't call gtk_main_iteration() from other threads like this + return true; + } +#endif // wxUSE_THREADS -BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) -END_EVENT_TABLE() + wxIsInsideYield = true; -gint wxapp_idle_callback( gpointer WXUNUSED(data) ) -{ - if (wxTheApp) while (wxTheApp->ProcessIdle()) {} -#if wxUSE_THREADS - wxMutexGuiLeave(); +#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 - usleep(10000); -#if wxUSE_THREADS - wxMutexGuiEnter(); + + while (EventsPending()) + 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). 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 - return TRUE; -} -wxApp::wxApp() -{ - wxTheApp = this; - - m_topWindow = (wxWindow *) NULL; - m_exitOnFrameDelete = TRUE; - - m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); - - m_colorCube = (unsigned char*) NULL; + wxIsInsideYield = false; + + return true; } -wxApp::~wxApp(void) +//----------------------------------------------------------------------------- +// local functions +//----------------------------------------------------------------------------- + +// One-shot signal emission hook, to install idle handler. +extern "C" { +static gboolean +wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data) { - gtk_idle_remove( m_idleTag ); - - if (m_colorCube) free(m_colorCube); + 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; +} } -bool wxApp::OnInitGui() +// Add signal emission hooks, to re-install idle handler when needed. +static void wx_add_idle_hooks() { - /* Nothing to do for 15, 16, 24, 32 bit displays */ - - GdkVisual *visual = gdk_visual_get_system(); - 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... */ - - /* - GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE ); - - for (int i = 0; i < 64; i++) + // "event" hook + { + static gulong hook_id = 0; + if (hook_id == 0) { - 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; - - gdk_color_alloc( cmap, &col ); + 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); + } + } + // "size_allocate" hook + // Needed to match the behavior of the old idle system, + // but probably not necessary. + { + static gulong hook_id = 0; + if (hook_id == 0) + { + 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); } - - gtk_widget_set_default_colormap( cmap ); - */ - - /* 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); - - GdkColor *colors = cmap->colors; - int max = 3 * (65536); - int index = -1; - - 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; } - } - - m_colorCube[ (r*1024) + (g*32) + b ] = index; - } - } } - - - return TRUE; } -bool wxApp::ProcessIdle(void) +extern "C" { +static gboolean wxapp_idle_callback(gpointer) { - wxIdleEvent event; - event.SetEventObject( this ); - ProcessEvent( event ); - - return event.MoreRequested(); + return wxTheApp->DoIdle(); } - -void wxApp::OnIdle( wxIdleEvent &event ) -{ - static bool inOnIdle = FALSE; - - /* Avoid recursion (via ProcessEvent default case) */ - if (inOnIdle) - return; - - inOnIdle = TRUE; - - /* 'Garbage' collection of windows deleted with Close(). */ - DeletePendingObjects(); - - /* flush the logged messages if any */ - wxLog *log = wxLog::GetActiveTarget(); - if (log != NULL && log->HasPendingMessages()) - log->Flush(); - - /* Send OnIdle events to all windows */ - bool needMore = SendIdleEvents(); - - if (needMore) - event.RequestMore(TRUE); - - inOnIdle = FALSE; } -bool wxApp::SendIdleEvents(void) +bool wxApp::DoIdle() { - bool needMore = FALSE; - - wxNode* node = wxTopLevelWindows.First(); - while (node) + guint id_save; { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; - node = node->Next(); + // 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(*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 } - return needMore; -} -bool wxApp::SendIdleEvents( wxWindow* win ) -{ - bool needMore = FALSE; + gdk_threads_enter(); + bool needMore; + do { + needMore = ProcessIdle(); + } while (needMore && gtk_events_pending() == 0); + gdk_threads_leave(); - wxIdleEvent event; - event.SetEventObject(win); - - win->OnInternalIdle(); - - win->ProcessEvent(event); +#if wxUSE_THREADS + wxMutexLocker lock(*m_idleMutex); +#endif + // if a new idle source was added during ProcessIdle + if (m_idleSourceId != 0) + { + // remove it + g_source_remove(m_idleSourceId); + m_idleSourceId = 0; + } - if (event.MoreRequested()) - needMore = TRUE; + // Pending events can be added asynchronously, + // need to keep idle source if any have appeared + needMore = needMore || HasPendingEvents(); - wxNode* node = win->GetChildren().First(); - while (node) + // if more idle processing requested + if (needMore) { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; - - node = node->Next(); + // keep this source installed + m_idleSourceId = id_save; + return true; } - return needMore ; + // add hooks and remove this source + wx_add_idle_hooks(); + return false; } -int wxApp::MainLoop(void) -{ - gtk_main(); - return 0; -} +//----------------------------------------------------------------------------- +// Access to the root window global +//----------------------------------------------------------------------------- -void wxApp::ExitMainLoop(void) +GtkWidget* wxGetRootWindow() { - gtk_main_quit(); + if (gs_RootWindow == NULL) + { + gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + gtk_widget_realize( gs_RootWindow ); + } + return gs_RootWindow; } -bool wxApp::Initialized(void) -{ - return m_initialized; -} +//----------------------------------------------------------------------------- +// wxApp +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) -bool wxApp::Pending(void) +wxApp::wxApp() { - return FALSE; +#ifdef __WXDEBUG__ + m_isInAssert = false; +#endif // __WXDEBUG__ +#if wxUSE_THREADS + m_idleMutex = NULL; +#endif + m_idleSourceId = 0; } -void wxApp::Dispatch(void) +wxApp::~wxApp() { } -void wxApp::DeletePendingObjects(void) +bool wxApp::SetNativeTheme(const wxString& theme) { - wxNode *node = wxPendingDelete.First(); - while (node) + wxString path; + path = gtk_rc_get_theme_dir(); + path += "/"; + path += theme.utf8_str(); + path += "/gtk-2.0/gtkrc"; + + if ( wxFileExists(path.utf8_str()) ) + gtk_rc_add_default_file(path.utf8_str()); + else if ( wxFileExists(theme.utf8_str()) ) + gtk_rc_add_default_file(theme.utf8_str()); + else { - wxObject *obj = (wxObject *)node->Data(); + wxLogWarning("Theme \"%s\" not available.", theme); - delete obj; + return false; + } - if (wxPendingDelete.Member(obj)) - delete node; + gtk_rc_reparse_all_for_settings(gtk_settings_get_default(), TRUE); - node = wxPendingDelete.First(); - } + return true; } -wxWindow *wxApp::GetTopWindow(void) +bool wxApp::OnInitGui() { - if (m_topWindow) return m_topWindow; - wxNode *node = wxTopLevelWindows.First(); - if (!node) return (wxWindow *) NULL; - return (wxWindow*)node->Data(); -} + if ( !wxAppBase::OnInitGui() ) + return false; -void wxApp::SetTopWindow( wxWindow *win ) -{ - m_topWindow = win; -} + // if this is a wxGLApp (derived from wxApp), and we've already + // chosen a specific visual, then derive the GdkVisual from that + if ( GetXVisualInfo() ) + { + GdkVisual* vis = gtk_widget_get_default_visual(); -bool wxApp::Initialize(void) -{ - wxBuffer = new char[BUFSIZ + 512]; + GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); + gtk_widget_set_default_colormap( colormap ); + } + else + { + // 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) + { + if (m_forceTrueColour) + { + GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR ); + if (!visual) + { + wxLogError(wxT("Unable to initialize TrueColor visual.")); + return false; + } + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); + } + else + { + if (gdk_visual_get_best() != gdk_visual_get_system()) + { + GdkVisual* visual = gdk_visual_get_best(); + GdkColormap *colormap = gdk_colormap_new( visual, FALSE ); + gtk_widget_set_default_colormap( colormap ); + } + } + } + } - wxClassInfo::InitializeClasses(); - - wxSystemSettings::Init(); - - wxTheFontNameDirectory = new wxFontNameDirectory; - wxTheFontNameDirectory->Initialize(); +#if wxUSE_LIBHILDON + m_hildonProgram = hildon_program_get_instance(); + if ( !m_hildonProgram ) + { + wxLogError(_("Unable to initialize Hildon program")); + return false; + } +#endif // wxUSE_LIBHILDON - wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING ); - wxTheColourDatabase->Initialize(); + return true; +} - wxInitializeStockLists(); - wxInitializeStockObjects(); +GdkVisual *wxApp::GetGdkVisual() +{ + GdkVisual *visual = NULL; -#if wxUSE_WX_RESOURCES - wxTheResourceCache = new wxResourceCache( wxKEY_STRING ); - - wxInitializeResourceSystem(); -#endif + XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo(); + if ( xvi ) + visual = gdkx_visual_get( xvi->visualid ); + else + visual = gdk_drawable_get_visual( wxGetRootWindow()->window ); - wxImage::InitStandardHandlers(); + wxASSERT( visual ); - /* no global cursor under X - g_globalCursor = new wxCursor; */ - - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; - - return TRUE; + return visual; } -void wxApp::CleanUp(void) +// use unusual names for the parameters to avoid conflict with wxApp::arg[cv] +bool wxApp::Initialize(int& argc_, wxChar **argv_) { - wxModule::CleanUpModules(); + if ( !wxAppBase::Initialize(argc_, argv_) ) + return false; -#if wxUSE_WX_RESOURCES - wxFlushResources(); - - if (wxTheResourceCache) delete wxTheResourceCache; - wxTheResourceCache = (wxResourceCache*) NULL; - - wxCleanUpResourceSystem(); -#endif +#if wxUSE_THREADS + if (!g_thread_supported()) + { + g_thread_init(NULL); + gdk_threads_init(); + } +#endif // wxUSE_THREADS + + // gtk+ 2.0 supports Unicode through UTF-8 strings + wxConvCurrent = &wxConvUTF8; + + // 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.CmpNoCase(_T("@locale")) == 0) + encName.clear(); + encName.MakeUpper(); +#if wxUSE_INTL + if (encName.empty()) + { + // (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"); - if (wxTheColourDatabase) delete wxTheColourDatabase; - wxTheColourDatabase = (wxColourDatabase*) NULL; - - if (wxTheFontNameDirectory) delete wxTheFontNameDirectory; - wxTheFontNameDirectory = (wxFontNameDirectory*) NULL; - - wxDeleteStockObjects(); + // 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(); - wxDeleteStockLists(); +#endif // wxUSE_INTL + static wxConvBrokenFileNames fileconv(encName); + wxConvFileName = &fileconv; - wxImage::CleanUpHandlers(); - delete wxTheApp; - wxTheApp = (wxApp*) NULL; + bool init_result; + int i; - /* check for memory leaks */ -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - if (wxDebugContext::CountObjectsLeft() > 0) +#if wxUSE_UNICODE + // gtk_init() wants UTF-8, not wchar_t, so convert + char **argvGTK = new char *[argc_ + 1]; + for ( i = 0; i < argc_; i++ ) { - wxLogDebug("There were memory leaks.\n"); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); + argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i])); } -#endif - /* 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; + argvGTK[argc_] = NULL; - wxSystemSettings::Done(); - - wxClassInfo::CleanUpClasses(); + int argcGTK = argc_; - delete[] wxBuffer; -} +#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 + wxUpdateLocaleIsUtf8(); -wxLog *wxApp::CreateLogTarget() -{ - return new wxLogGui; -} + 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 ) + { + memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_)); + } + } -//----------------------------------------------------------------------------- -// wxEntry -//----------------------------------------------------------------------------- + argc_ = argcGTK; + argv_[argc_] = NULL; + } + //else: gtk_init() didn't modify our parameters -int wxEntry( int argc, char *argv[] ) -{ - gtk_set_locale(); + // free our copy + for ( i = 0; i < argcGTK; i++ ) + { + free(argvGTK[i]); + } - gtk_init( &argc, &argv ); + 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 - if (!wxApp::Initialize()) return 0; + // update internal arg[cv] as GTK+ may have removed processed options: + this->argc = argc_; + this->argv = argv_; - if (!wxTheApp) + if ( m_traits ) { - if (!wxApp::GetInitializerFunction()) + // 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 ( i = 0; i < argc_; i++ ) { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; + // 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; + } + } } - - wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); - - wxObject *test_app = app_ini(); - - wxTheApp = (wxApp*) test_app; } - if (!wxTheApp) + if ( !init_result ) { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; + wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?")); + return false; } - wxTheApp->argc = argc; - wxTheApp->argv = argv; + // we can not enter threads before gtk_init is done + gdk_threads_enter(); - char name[200]; - strcpy( name, argv[0] ); - strcpy( name, wxFileNameFromPath(name) ); - wxStripExtension( name ); - wxTheApp->SetAppName( name ); + wxSetDetectableAutoRepeat( true ); - if (!wxTheApp->OnInitGui()) return 0; +#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(); - /* Here frames insert themselves automatically - * into wxTopLevelWindows by getting created - * in OnInit(). */ + return true; +} - if (!wxTheApp->OnInit()) return 0; +void wxApp::CleanUp() +{ + if (m_idleSourceId != 0) + g_source_remove(m_idleSourceId); - wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0); + // release reference acquired by Initialize() + g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET)); - int retValue = 0; + gdk_threads_leave(); - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); + wxAppBase::CleanUp(); - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if (topWindow) + // delete this mutex as late as possible as it's used from WakeUpIdle(), in + // particular do it after calling the base class CleanUp() which can result + // in it being called +#if wxUSE_THREADS + delete m_idleMutex; + m_idleMutex = NULL; +#endif +} + +void wxApp::WakeUpIdle() +{ +#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); +} + +// 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(*m_idleMutex); +#endif + if (m_idleSourceId != 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 ); - } + 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; - wxTheApp->OnExit(); + wxAppBase::OnAssertFailure(file, line, func, cond, msg); - /* flush the logged messages if any */ - wxLog *log = wxLog::GetActiveTarget(); - if (log != NULL && log->HasPendingMessages()) - log->Flush(); + m_isInAssert = false; +} - wxApp::CleanUp(); +#endif // __WXDEBUG__ - return retValue; +#if wxUSE_THREADS +void wxGUIAppTraits::MutexGuiEnter() +{ + gdk_threads_enter(); } +void wxGUIAppTraits::MutexGuiLeave() +{ + gdk_threads_leave(); +} +#endif // wxUSE_THREADS