X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/96997d6511c6bd055e5465e147a6b568ae445702..2c40e41c4ed3127df0136077360a9de41b6192c8:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 77f619a9aa..bb01f6b872 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -52,7 +52,7 @@ extern bool g_isIdle; bool g_mainThreadLocked = FALSE; gint g_pendingTag = 0; -GtkWidget *wxRootWindow = (GtkWidget*) NULL; +static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- // local functions @@ -80,27 +80,37 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- +static bool gs_inYield = 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) +#ifdef __WXDEBUG__ + if (gs_inYield) + wxFAIL_MSG( wxT("wxYield called recursively" ) ); +#endif + + gs_inYield = TRUE; + + if (!g_isIdle) { - /* We need to temporarily remove idle callbacks or the loop will - never finish. */ + // We need to remove idle callbacks or the loop will + // never finish. gtk_idle_remove( wxTheApp->m_idleTag ); wxTheApp->m_idleTag = 0; + g_isIdle = TRUE; } while (gtk_events_pending()) gtk_main_iteration(); - if (has_idle) - { - /* re-add idle handler (very low priority) */ - wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); - } - // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c wxLog::Suspend(); @@ -113,9 +123,24 @@ bool wxYield() // let the logs be flashed again wxLog::Resume(); + gs_inYield = FALSE; + return TRUE; } +//----------------------------------------------------------------------------- +// wxYieldIfNeeded +// Like wxYield, but fails silently if the yield is recursive. +//----------------------------------------------------------------------------- + +bool wxYieldIfNeeded() +{ + if (gs_inYield) + return FALSE; + + return wxYield(); +} + //----------------------------------------------------------------------------- // wxWakeUpIdle //----------------------------------------------------------------------------- @@ -143,7 +168,7 @@ void wxWakeUpIdle() gint wxapp_pending_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) return TRUE; - + // when getting called from GDK's time-out handler // we are no longer within GDK's grab on the GUI // thread so we must lock it here ourselves @@ -154,6 +179,11 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) ) g_pendingTag = 0; + /* flush the logged messages if any */ +#if wxUSE_LOG + wxLog::FlushActive(); +#endif // wxUSE_LOG + // Release lock again gdk_threads_leave(); @@ -164,16 +194,24 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) ) gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { - if (!wxTheApp) return TRUE; - + if (!wxTheApp) + return TRUE; + +#ifdef __WXDEBUG__ + if ( wxTheApp->IsInAssert() ) + { + // 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 + return FALSE; + } +#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(); - // Sent idle event to all who request them - while (wxTheApp->ProcessIdle()) { } - /* 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 @@ -182,6 +220,9 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) g_isIdle = TRUE; wxTheApp->m_idleTag = 0; + // Sent idle event to all who request them + while (wxTheApp->ProcessIdle()) { } + // Release lock again gdk_threads_leave(); @@ -194,9 +235,11 @@ void wxapp_install_idle_handler() { wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); + g_isIdle = FALSE; + if (g_pendingTag == 0) g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); - + /* This routine gets called by all event handlers indicating that the idle is over. It may also get called from other thread for sending events @@ -204,8 +247,6 @@ void wxapp_install_idle_handler() idle time). Very low priority. */ wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); - - g_isIdle = FALSE; } #if wxUSE_THREADS @@ -215,7 +256,7 @@ static int g_threadUninstallLevel = 0; void wxapp_install_thread_wakeup() { g_threadUninstallLevel++; - + if (g_threadUninstallLevel != 1) return; if (wxTheApp->m_wakeUpTimerTag) return; @@ -226,7 +267,7 @@ void wxapp_install_thread_wakeup() void wxapp_uninstall_thread_wakeup() { g_threadUninstallLevel--; - + if (g_threadUninstallLevel != 0) return; if (!wxTheApp->m_wakeUpTimerTag) return; @@ -279,12 +320,13 @@ 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_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); + m_idleTag = 0; + wxapp_install_idle_handler(); #if wxUSE_THREADS m_wakeUpTimerTag = 0; @@ -292,8 +334,6 @@ wxApp::wxApp() #endif m_colorCube = (unsigned char*) NULL; - - m_useBestVisual = FALSE; } wxApp::~wxApp() @@ -309,6 +349,9 @@ wxApp::~wxApp() 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 @@ -424,11 +467,6 @@ void wxApp::OnIdle( wxIdleEvent &event ) event.RequestMore(TRUE); s_inOnIdle = FALSE; - - /* flush the logged messages if any */ -#if wxUSE_LOG - wxLog::FlushActive(); -#endif // wxUSE_LOG } bool wxApp::SendIdleEvents() @@ -523,6 +561,10 @@ bool wxApp::Initialize() 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. @@ -600,6 +642,19 @@ void wxApp::CleanUp() #endif // wxUSE_LOG } +//----------------------------------------------------------------------------- +// 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; +} + //----------------------------------------------------------------------------- // wxEntry //----------------------------------------------------------------------------- @@ -609,15 +664,9 @@ int wxEntryStart( int argc, char *argv[] ) { #if wxUSE_THREADS /* GTK 1.2 up to version 1.2.3 has broken threads */ -#ifdef __VMS__ - if ((vms_gtk_major_version() == 1) && - (vms_gtk_minor_version() == 2) && - (vms_gtk_micro_version() < 4)) -#else if ((gtk_major_version == 1) && (gtk_minor_version == 2) && (gtk_micro_version < 4)) -#endif { printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" ); } @@ -629,11 +678,14 @@ int wxEntryStart( int argc, char *argv[] ) 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; -#elif wxUSE_WCHAR_T +#else if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; +#endif #else if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; #endif @@ -661,8 +713,7 @@ int wxEntryInitGui() if ( !wxTheApp->OnInitGui() ) retValue = -1; - wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); - gtk_widget_realize( wxRootWindow ); + wxGetRootWindow(); return retValue; } @@ -815,3 +866,17 @@ wxApp::GetStdIcon(int which) const return wxIcon(error_xpm); } } + +#ifdef __WXDEBUG__ + +void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) +{ + m_isInAssert = TRUE; + + wxAppBase::OnAssert(file, line, msg); + + m_isInAssert = FALSE; +} + +#endif // __WXDEBUG__ +