X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b90a8f20dd9c1a478f755941795158c38230a80..7b9da2077d0975db6c965a85c91d5aca671ab5e3:/src/gtk/app.cpp?ds=sidebyside diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index bf7a03b90e..5d08196d7b 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -28,13 +28,15 @@ #include "wx/module.h" #include "wx/image.h" +#if wxUSE_THREADS #include "wx/thread.h" +#endif #include "unistd.h" -#include -#include -#include +#include "glib.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" #include "wx/gtk/win_gtk.h" @@ -43,12 +45,8 @@ //----------------------------------------------------------------------------- wxApp *wxTheApp = (wxApp *) NULL; -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; -#if wxUSE_THREADS -extern wxList *wxPendingEvents; -extern wxCriticalSection *wxPendingEventsLocker; -#endif extern wxResourceCache *wxTheResourceCache; extern bool g_isIdle; @@ -124,10 +122,18 @@ unsigned char g_palette[64*3] = // local functions //----------------------------------------------------------------------------- -extern void wxFlushResources(void); +extern void wxFlushResources(); + +/* forward declaration */ +gint wxapp_idle_callback( gpointer WXUNUSED(data) ); +void wxapp_install_idle_handler(); + +#if wxUSE_THREADS +gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); +#endif //----------------------------------------------------------------------------- -// global functions +// wxExit //----------------------------------------------------------------------------- void wxExit() @@ -135,56 +141,67 @@ void wxExit() gtk_main_quit(); } -/* forward declaration */ -gint wxapp_idle_callback( gpointer WXUNUSED(data) ); +//----------------------------------------------------------------------------- +// wxYield +//----------------------------------------------------------------------------- bool wxYield() { - /* 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) */ - for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); - node; - node = node->GetNext() ) - { - wxWindow *win = node->GetData(); - win->OnInternalIdle(); - } + bool has_idle = (wxTheApp->m_idleTag != 0); - if (wxTheApp->m_idleTag) + if (has_idle) { /* We need to temporarily remove idle callbacks or the loop will never finish. */ gtk_idle_remove( wxTheApp->m_idleTag ); wxTheApp->m_idleTag = 0; + } - while (gtk_events_pending()) - gtk_main_iteration(); + 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()) { } + + if (has_idle) + { /* re-add idle handler */ wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); } - else - { - while (gtk_events_pending()) - gtk_main_iteration(); - } - + return TRUE; } +//----------------------------------------------------------------------------- +// wxWakeUpIdle +//----------------------------------------------------------------------------- + +void wxWakeUpIdle() +{ + if (g_isIdle) + wxapp_install_idle_handler(); +} + +//----------------------------------------------------------------------------- +// local functions +//----------------------------------------------------------------------------- + gint wxapp_idle_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 + /* sent idle event to all who request them */ while (wxTheApp->ProcessIdle()) { } - + /* we don't want any more idle events until the next event is sent to wxGTK */ gtk_idle_remove( wxTheApp->m_idleTag ); @@ -196,53 +213,76 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) once each time after the event queue has been completely emptied */ g_isIdle = TRUE; - + +#if (GTK_MINOR_VERSION > 0) /* release lock again */ GDK_THREADS_LEAVE (); +#endif return TRUE; } void wxapp_install_idle_handler() { - wxASSERT_MSG( wxTheApp->m_idleTag == 0, "attempt to install idle handler twice" ); + wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); /* this routine gets called by all event handlers indicating that the idle is over. */ wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); - + g_isIdle = FALSE; } +#if wxUSE_THREADS + +void wxapp_install_thread_wakeup() +{ + if (wxTheApp->m_wakeUpTimerTag) return; -static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) + wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 100, wxapp_wakeup_timerout_callback, (gpointer) NULL ); +} + +void wxapp_uninstall_thread_wakeup() { + if (!wxTheApp->m_wakeUpTimerTag) return; + gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); wxTheApp->m_wakeUpTimerTag = 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 */ +} + +gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) +{ + wxapp_uninstall_thread_wakeup(); + +#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 (); - - /* unblock other threads wishing to do some GUI things */ +#endif + + // unblock other threads wishing to do some GUI things wxMutexGuiLeave(); - - /* wake up other threads */ + + // wake up other threads wxUsleep( 1 ); - - /* block other thread again */ + + // block other thread again wxMutexGuiEnter(); - - /* release lock again */ + +#if (GTK_MINOR_VERSION > 0) + // release lock again GDK_THREADS_LEAVE (); - - wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 10, wxapp_wakeup_timerout_callback, (gpointer) NULL ); - +#endif + + wxapp_install_thread_wakeup(); + return TRUE; } +#endif // wxUSE_THREADS + //----------------------------------------------------------------------------- // wxApp //----------------------------------------------------------------------------- @@ -261,8 +301,11 @@ wxApp::wxApp() m_exitOnFrameDelete = TRUE; m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); - - m_wakeUpTimerTag = gtk_timeout_add( 10, wxapp_wakeup_timerout_callback, (gpointer) NULL ); + +#if wxUSE_THREADS + m_wakeUpTimerTag = 0; + wxapp_install_thread_wakeup(); +#endif m_colorCube = (unsigned char*) NULL; } @@ -271,16 +314,34 @@ wxApp::~wxApp() { if (m_idleTag) gtk_idle_remove( m_idleTag ); - if (m_wakeUpTimerTag) gtk_timeout_remove( m_wakeUpTimerTag ); - +#if wxUSE_THREADS + wxapp_uninstall_thread_wakeup(); +#endif + if (m_colorCube) free(m_colorCube); } bool wxApp::OnInitGui() { - /* Nothing to do for 15, 16, 24, 32 bit displays */ - 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()) + { + GdkVisual* vis = gdk_visual_get_best(); + gtk_widget_set_default_visual( vis ); + + 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 @@ -326,7 +387,7 @@ bool wxApp::OnInitGui() int index = -1; GdkColor *colors = cmap->colors; - if(colors) + if (colors) { int max = 3 * 65536; @@ -337,12 +398,24 @@ bool wxApp::OnInitGui() 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; } } @@ -362,27 +435,27 @@ bool wxApp::ProcessIdle() void wxApp::OnIdle( wxIdleEvent &event ) { - static bool inOnIdle = FALSE; + static bool s_inOnIdle = FALSE; /* Avoid recursion (via ProcessEvent default case) */ - if (inOnIdle) + if (s_inOnIdle) return; - inOnIdle = TRUE; + s_inOnIdle = TRUE; -#if wxUSE_THREADS /* Resend in the main thread events which have been prepared in other threads */ ProcessPendingEvents(); -#endif /* '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 */ bool needMore = SendIdleEvents(); @@ -390,7 +463,7 @@ void wxApp::OnIdle( wxIdleEvent &event ) if (needMore) event.RequestMore(TRUE); - inOnIdle = FALSE; + s_inOnIdle = FALSE; } bool wxApp::SendIdleEvents() @@ -416,10 +489,10 @@ bool wxApp::SendIdleEvents( wxWindow* win ) wxIdleEvent event; event.SetEventObject(win); - win->OnInternalIdle(); - win->ProcessEvent(event); + win->OnInternalIdle(); + if (event.MoreRequested()) needMore = TRUE; @@ -461,25 +534,6 @@ void wxApp::Dispatch() gtk_main_iteration(); } -#if wxUSE_THREADS -void wxApp::ProcessPendingEvents() -{ - wxNode *node = wxPendingEvents->First(); - wxCriticalSectionLocker locker(*wxPendingEventsLocker); - - while (node) - { - wxEvtHandler *handler = (wxEvtHandler *)node->Data(); - - handler->ProcessPendingEvents(); - - delete node; - - node = wxPendingEvents->First(); - } -} -#endif // wxUSE_THREADS - void wxApp::DeletePendingObjects() { wxNode *node = wxPendingDelete.First(); @@ -496,21 +550,6 @@ void wxApp::DeletePendingObjects() } } -wxWindow *wxApp::GetTopWindow() -{ - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.GetCount() > 0) - return wxTopLevelWindows.GetFirst()->GetData(); - else - return NULL; -} - -void wxApp::SetTopWindow( wxWindow *win ) -{ - m_topWindow = win; -} - bool wxApp::Initialize() { wxBuffer = new wxChar[BUFSIZ + 512]; @@ -543,11 +582,6 @@ bool wxApp::Initialize() wxInitializeResourceSystem(); #endif - wxImage::InitStandardHandlers(); - - /* no global cursor under X - g_globalCursor = new wxCursor; */ - wxModule::RegisterModules(); if (!wxModule::InitializeModules()) return FALSE; @@ -581,8 +615,6 @@ void wxApp::CleanUp() wxDeleteStockLists(); - wxImage::CleanUpHandlers(); - delete wxTheApp; wxTheApp = (wxApp*) NULL; @@ -603,23 +635,20 @@ void wxApp::CleanUp() #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT if (wxDebugContext::CountObjectsLeft() > 0) { - wxLogDebug(_T("There were memory leaks.\n")); + wxLogDebug(wxT("There were memory leaks.\n")); wxDebugContext::Dump(); wxDebugContext::PrintStatistics(); } #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; -} - -wxLog *wxApp::CreateLogTarget() -{ - return new wxLogGui; +#endif // wxUSE_LOG } //----------------------------------------------------------------------------- @@ -630,17 +659,23 @@ int wxEntry( int argc, char *argv[] ) { gtk_set_locale(); +#if wxUSE_WCHAR_T + if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; +#else + if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; +#endif + gtk_init( &argc, &argv ); wxSetDetectableAutoRepeat( TRUE ); - + if (!wxApp::Initialize()) return -1; if (!wxTheApp) { wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, - _T("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") ); + wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") ); wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); @@ -649,10 +684,20 @@ int wxEntry( int argc, char *argv[] ) wxTheApp = (wxApp*) test_app; } - wxCHECK_MSG( wxTheApp, -1, _T("wxWindows error: no application object") ); + 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++; + } + wxTheApp->argv[mb_argc] = (wxChar *)NULL; +#else wxTheApp->argv = argv; +#endif wxString name(wxFileNameFromPath(argv[0])); wxStripExtension( name ); @@ -673,31 +718,38 @@ int wxEntry( int argc, char *argv[] ) 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(); + wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; if (wxTheApp->Initialized()) + { retValue = wxTheApp->OnRun(); - 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 + wxWindow *topWindow = wxTheApp->GetTopWindow(); + if (topWindow) { - delete topWindow; - wxTheApp->SetTopWindow( (wxWindow*) NULL ); + /* 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(); } - - wxTheApp->OnExit(); } +#if wxUSE_LOG // flush the logged messages if any wxLog *log = wxLog::GetActiveTarget(); if (log != NULL && log->HasPendingMessages()) @@ -709,9 +761,37 @@ int wxEntry( int argc, char *argv[] ) wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr); if ( oldlog ) delete oldlog; +#endif // wxUSE_LOG wxApp::CleanUp(); return retValue; } +#include "wx/gtk/info.xpm" +#include "wx/gtk/error.xpm" +#include "wx/gtk/question.xpm" +#include "wx/gtk/warning.xpm" + +wxIcon +wxApp::GetStdIcon(int which) const +{ + switch(which) + { + case wxICON_INFORMATION: + return wxIcon(info_xpm); + + case wxICON_QUESTION: + return wxIcon(question_xpm); + + case wxICON_EXCLAMATION: + return wxIcon(warning_xpm); + + default: + wxFAIL_MSG(wxT("requested non existent standard icon")); + // still fall through + + case wxICON_HAND: + return wxIcon(error_xpm); + } +}