X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/83df96d63a52ebb08b9e32549dc255354b4a18d0..d3e780ecdf69233c872d51216eedbc64a1b6db25:/src/x11/app.cpp diff --git a/src/x11/app.cpp b/src/x11/app.cpp index 8b019fdf6e..461200728d 100644 --- a/src/x11/app.cpp +++ b/src/x11/app.cpp @@ -9,606 +9,720 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "app.h" #endif -#ifdef __VMS -#define XtParent XTPARENT -#define XtDisplay XTDISPLAY -#endif - #include "wx/frame.h" #include "wx/app.h" #include "wx/utils.h" #include "wx/gdicmn.h" -#include "wx/pen.h" -#include "wx/brush.h" -#include "wx/cursor.h" #include "wx/icon.h" -#include "wx/palette.h" -#include "wx/dc.h" #include "wx/dialog.h" -#include "wx/msgdlg.h" #include "wx/log.h" #include "wx/module.h" #include "wx/memory.h" #include "wx/log.h" #include "wx/intl.h" +#include "wx/evtloop.h" +#include "wx/timer.h" +#include "wx/filename.h" +#include "wx/hash.h" + +#include "wx/univ/theme.h" +#include "wx/univ/renderer.h" #if wxUSE_THREADS #include "wx/thread.h" #endif -#if wxUSE_WX_RESOURCES - #include "wx/resource.h" -#endif - -#ifdef __VMS__ -#pragma message disable nosimpint -#endif -#include -#include -#include -#include -#include -#ifdef __VMS__ -#pragma message enable nosimpint -#endif - -#include "wx/motif/private.h" +#include "wx/x11/private.h" #include -extern char *wxBuffer; -extern wxList wxPendingDelete; +//------------------------------------------------------------------------ +// global data +//------------------------------------------------------------------------ -wxApp *wxTheApp = NULL; +extern wxList wxPendingDelete; wxHashTable *wxWidgetHashTable = NULL; +wxHashTable *wxClientWidgetHashTable = NULL; -IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) +static bool g_showIconic = FALSE; +static wxSize g_initialSize = wxDefaultSize; -BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) -END_EVENT_TABLE() +// This is required for wxFocusEvent::SetWindow(). It will only +// work for focus events which we provoke ourselves (by calling +// SetFocus()). It will not work for those events, which X11 +// generates itself. +static wxWindow *g_nextFocus = NULL; +static wxWindow *g_prevFocus = NULL; + +//------------------------------------------------------------------------ +// X11 error handling +//------------------------------------------------------------------------ #ifdef __WXDEBUG__ - typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); +typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); - XErrorHandlerFunc gs_pfnXErrorHandler = 0; +XErrorHandlerFunc gs_pfnXErrorHandler = 0; - static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) - { - // just forward to the default handler for now +static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) +{ + // just forward to the default handler for now + if (gs_pfnXErrorHandler) return gs_pfnXErrorHandler(dpy, xevent); - } + else + return 0; +} #endif // __WXDEBUG__ +//------------------------------------------------------------------------ +// wxApp +//------------------------------------------------------------------------ + long wxApp::sm_lastMessageTime = 0; +WXDisplay *wxApp::ms_display = NULL; + +IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -bool wxApp::Initialize() +BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) + EVT_IDLE(wxAppBase::OnIdle) +END_EVENT_TABLE() + +bool wxApp::Initialize(int& argc, wxChar **argv) { - wxBuffer = new char[BUFSIZ + 512]; +#if defined(__WXDEBUG__) && !wxUSE_NANOX + // install the X error handler + gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler ); +#endif // __WXDEBUG__ - wxClassInfo::InitializeClasses(); + wxString displayName; + bool syncDisplay = FALSE; - // 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 - wxPendingEventsLocker = new wxCriticalSection(); -#endif + int argcOrig = argc; + for ( int i = 0; i < argcOrig; i++ ) + { + if (wxStrcmp( argv[i], _T("-display") ) == 0) + { + if (i < (argc - 1)) + { + argv[i++] = NULL; + + displayName = argv[i]; - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); + argv[i] = NULL; + argc -= 2; + } + } + else if (wxStrcmp( argv[i], _T("-geometry") ) == 0) + { + if (i < (argc - 1)) + { + argv[i++] = NULL; + + int w, h; + if (wxSscanf(argv[i], _T("%dx%d"), &w, &h) != 2) + { + wxLogError( _("Invalid geometry specification '%s'"), + wxString(argv[i]).c_str() ); + } + else + { + g_initialSize = wxSize(w, h); + } + + argv[i] = NULL; + argc -= 2; + } + } + else if (wxStrcmp( argv[i], _T("-sync") ) == 0) + { + syncDisplay = TRUE; - wxInitializeStockLists(); - wxInitializeStockObjects(); + argv[i] = NULL; + argc--; + } + else if (wxStrcmp( argv[i], _T("-iconic") ) == 0) + { + g_showIconic = TRUE; -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif + argv[i] = NULL; + argc--; + } + } + + if ( argc != argcOrig ) + { + // remove the argumens we consumed + for ( int i = 0; i < argc; i++ ) + { + while ( !argv[i] ) + { + memmove(argv + i, argv + i + 1, argcOrig - i); + } + } + } + + // X11 display stuff + Display *xdisplay; + if ( displayName.empty() ) + xdisplay = XOpenDisplay( NULL ); + else + xdisplay = XOpenDisplay( displayName.ToAscii() ); + if (!xdisplay) + { + wxLogError( _("wxWindows could not open display. Exiting.") ); + return false; + } - // For PostScript printing -#if wxUSE_POSTSCRIPT - /* Done using wxModule now - wxInitializePrintSetupData(); - wxThePrintPaperDatabase = new wxPrintPaperDatabase; - wxThePrintPaperDatabase->CreateDatabase(); - */ + if (syncDisplay) + XSynchronize(xdisplay, True); + + ms_display = (WXDisplay*) xdisplay; + + XSelectInput( xdisplay, XDefaultRootWindow(xdisplay), PropertyChangeMask); + + // Misc. + wxSetDetectableAutoRepeat( TRUE ); + + if ( !wxAppBase::Initialize(argc, argv) ) + { + XCloseDisplay(xdisplay); + + return false; + } + +#if wxUSE_UNICODE + // Glib's type system required by Pango + g_type_init(); #endif - wxBitmap::InitStandardHandlers(); +#if wxUSE_INTL + wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); +#endif wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER); + wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER); - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; - - return TRUE; + return true; } void wxApp::CleanUp() { delete wxWidgetHashTable; wxWidgetHashTable = NULL; + delete wxClientWidgetHashTable; + wxClientWidgetHashTable = NULL; - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); -#endif - - wxDeleteStockObjects() ; + wxAppBase::CleanUp(); +} - // Destroy all GDI lists, etc. +wxApp::wxApp() +{ + // TODO: parse the command line + argc = 0; + argv = NULL; - wxDeleteStockLists(); + m_mainColormap = (WXColormap) NULL; + m_topLevelWidget = (WXWindow) NULL; + m_maxRequestSize = 0; + m_showIconic = FALSE; + m_initialSize = wxDefaultSize; - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; +#if !wxUSE_NANOX + m_visualInfo = NULL; +#endif +} -#if wxUSE_POSTSCRIPT - /* Done using wxModule now - wxInitializePrintSetupData(FALSE); - delete wxThePrintPaperDatabase; - wxThePrintPaperDatabase = NULL; - */ +wxApp::~wxApp() +{ +#if !wxUSE_NANOX + delete m_visualInfo; #endif +} - wxBitmap::CleanUpHandlers(); +#if !wxUSE_NANOX +//----------------------------------------------------------------------- +// X11 predicate function for exposure compression +//----------------------------------------------------------------------- - delete[] wxBuffer; - wxBuffer = NULL; +struct wxExposeInfo +{ + Window window; + Bool found_non_matching; +}; - wxClassInfo::CleanUpClasses(); +static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg) +{ + wxExposeInfo *info = (wxExposeInfo*) arg; - delete wxTheApp; - wxTheApp = NULL; + if (info->found_non_matching) + return FALSE; - // 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 + if (xevent->xany.type != Expose) + { + info->found_non_matching = TRUE; + return FALSE; + } -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - // At this point we want to check if there are any memory - // blocks that aren't part of the wxDebugContext itself, - // as a special case. Then when dumping we need to ignore - // wxDebugContext, too. - if (wxDebugContext::CountObjectsLeft(TRUE) > 0) + if (xevent->xexpose.window != info->window) { - wxLogDebug("There were memory leaks.\n"); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); + info->found_non_matching = TRUE; + return FALSE; } -#endif - // do it as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - // do it as the very last thing because everything else can log messages - delete wxLog::SetActiveTarget(NULL); + return TRUE; } +#endif + // wxUSE_NANOX + +//----------------------------------------------------------------------- +// Processes an X event, returning TRUE if the event was processed. +//----------------------------------------------------------------------- -int wxEntry( int argc, char *argv[] ) +bool wxApp::ProcessXEvent(WXEvent* _event) { -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - // This seems to be necessary since there are 'rogue' - // objects present at this point (perhaps global objects?) - // Setting a checkpoint will ignore them as far as the - // memory checking facility is concerned. - // Of course you may argue that memory allocated in globals should be - // checked, but this is a reasonable compromise. - wxDebugContext::SetCheckpoint(); + XEvent* event = (XEvent*) _event; + + wxWindow* win = NULL; + Window window = XEventGetWindow(event); +#if 0 + Window actualWindow = window; #endif - if (!wxApp::Initialize()) - return FALSE; + // Find the first wxWindow that corresponds to this event window + // Because we're receiving events after a window + // has been destroyed, assume a 1:1 match between + // Window and wxWindow, so if it's not in the table, + // it must have been destroyed. - if (!wxTheApp) + win = wxGetWindowFromTable(window); + if (!win) { - if (!wxApp::GetInitializerFunction()) - { - printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); - return 0; - }; +#if wxUSE_TWO_WINDOWS + win = wxGetClientWindowFromTable(window); + if (!win) +#endif + return FALSE; + } - wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) (); - }; +#ifdef __WXDEBUG__ + wxString windowClass = win->GetClassInfo()->GetClassName(); +#endif - if (!wxTheApp) + switch (event->type) { - printf( "wxWindows error: wxTheApp == NULL\n" ); - return 0; - }; - - wxTheApp->SetClassName(wxFileNameFromPath(argv[0])); - wxTheApp->SetAppName(wxFileNameFromPath(argv[0])); - - wxTheApp->argc = argc; - wxTheApp->argv = argv; - - // GUI-specific initialization, such as creating an app context. - wxTheApp->OnInitGui(); - - // Here frames insert themselves automatically into wxTopLevelWindows by - // getting created in OnInit(). + case Expose: + { +#if wxUSE_TWO_WINDOWS && !wxUSE_NANOX + if (event->xexpose.window != (Window)win->GetClientAreaWindow()) + { + XEvent tmp_event; + wxExposeInfo info; + info.window = event->xexpose.window; + info.found_non_matching = FALSE; + while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info )) + { + // Don't worry about optimizing redrawing the border etc. + } + win->NeedUpdateNcAreaInIdle(); + } + else +#endif + { + win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event), + XExposeEventGetWidth(event), XExposeEventGetHeight(event)); + win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event), + XExposeEventGetWidth(event), XExposeEventGetHeight(event)); + +#if !wxUSE_NANOX + XEvent tmp_event; + wxExposeInfo info; + info.window = event->xexpose.window; + info.found_non_matching = FALSE; + while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info )) + { + win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y, + tmp_event.xexpose.width, tmp_event.xexpose.height ); + + win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y, + tmp_event.xexpose.width, tmp_event.xexpose.height ); + } +#endif - int retValue = 0; - if (wxTheApp->OnInit()) - { - if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); - } + // This simplifies the expose and clear areas to simple + // rectangles. + win->GetUpdateRegion() = win->GetUpdateRegion().GetBox(); + win->GetClearRegion() = win->GetClearRegion().GetBox(); - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + // If we only have one X11 window, always indicate + // that borders might have to be redrawn. + if (win->GetMainWindow() == win->GetClientAreaWindow()) + win->NeedUpdateNcAreaInIdle(); - delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used - // for further messages + // Only erase background, paint in idle time. + win->SendEraseEvents(); - if (wxTheApp->GetTopWindow()) - { - delete wxTheApp->GetTopWindow(); - wxTheApp->SetTopWindow(NULL); - } + // EXPERIMENT + //win->Update(); + } - wxTheApp->DeletePendingObjects(); + return TRUE; + } - wxTheApp->OnExit(); +#if !wxUSE_NANOX + case GraphicsExpose: + { + wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str()); - wxApp::CleanUp(); + win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y, + event->xgraphicsexpose.width, event->xgraphicsexpose.height); - return retValue; -}; + win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y, + event->xgraphicsexpose.width, event->xgraphicsexpose.height); -// Static member initialization -wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; + if (event->xgraphicsexpose.count == 0) + { + // Only erase background, paint in idle time. + win->SendEraseEvents(); + // win->Update(); + } -wxApp::wxApp() -{ - m_topWindow = NULL; - wxTheApp = this; - m_className = ""; - m_wantDebugOutput = TRUE ; - m_appName = ""; - argc = 0; - argv = NULL; - m_exitOnFrameDelete = TRUE; + return TRUE; + } +#endif - m_mainColormap = (WXColormap) NULL; - m_appContext = (WXAppContext) NULL; - m_topLevelWidget = (WXWidget) NULL; - m_maxRequestSize = 0; - m_initialDisplay = (WXDisplay*) 0; -} + case KeyPress: + { + if (!win->IsEnabled()) + return FALSE; -bool wxApp::Initialized() -{ - if (GetTopWindow()) - return TRUE; - else - return FALSE; -} + wxKeyEvent keyEvent(wxEVT_KEY_DOWN); + wxTranslateKeyEvent(keyEvent, win, window, event); -int wxApp::MainLoop() -{ - m_keepGoing = TRUE; + // wxLogDebug( "OnKey from %s", win->GetName().c_str() ); - /* - * Sit around forever waiting to process X-events. Property Change - * event are handled special, because they have to refer to - * the root window rather than to a widget. therefore we can't - * use an Xt-eventhandler. - */ + // We didn't process wxEVT_KEY_DOWN, so send wxEVT_CHAR + if (win->GetEventHandler()->ProcessEvent( keyEvent )) + return TRUE; - XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), - XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())), - PropertyChangeMask); + keyEvent.SetEventType(wxEVT_CHAR); + // Do the translation again, retaining the ASCII + // code. + wxTranslateKeyEvent(keyEvent, win, window, event, TRUE); + if (win->GetEventHandler()->ProcessEvent( keyEvent )) + return TRUE; - XEvent event; + if ( (keyEvent.m_keyCode == WXK_TAB) && + win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) ) + { + wxNavigationKeyEvent new_event; + new_event.SetEventObject( win->GetParent() ); + /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */ + new_event.SetDirection( (keyEvent.m_keyCode == WXK_TAB) ); + /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */ + new_event.SetWindowChange( keyEvent.ControlDown() ); + new_event.SetCurrentFocus( win ); + return win->GetParent()->GetEventHandler()->ProcessEvent( new_event ); + } - // Use this flag to allow breaking the loop via wxApp::ExitMainLoop() - while (m_keepGoing) - { - XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event); + return FALSE; + } + case KeyRelease: + { + if (!win->IsEnabled()) + return FALSE; - ProcessXEvent((WXEvent*) & event); + wxKeyEvent keyEvent(wxEVT_KEY_UP); + wxTranslateKeyEvent(keyEvent, win, window, event); - if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0) + return win->GetEventHandler()->ProcessEvent( keyEvent ); + } + case ConfigureNotify: { - if (!ProcessIdle()) - { -#if wxUSE_THREADS - // leave the main loop to give other threads a chance to - // perform their GUI work - wxMutexGuiLeave(); - wxUsleep(20); - wxMutexGuiEnter(); +#if wxUSE_NANOX + if (event->update.utype == GR_UPDATE_SIZE) #endif + { + if (win->IsTopLevel()) + { + wxTopLevelWindow *tlw = (wxTopLevelWindow*) win; + tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event), + XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) ); + } + + if (win->IsTopLevel() && win->IsShown()) + { + wxTopLevelWindowX11 *tlw = (wxTopLevelWindowX11 *) win; + tlw->SetNeedResizeInIdle(); + } + else + { + wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() ); + sizeEvent.SetEventObject( win ); + + return win->GetEventHandler()->ProcessEvent( sizeEvent ); + } } + return FALSE; + break; } +#if !wxUSE_NANOX + case PropertyNotify: + { + //wxLogDebug("PropertyNotify: %s", windowClass.c_str()); + return HandlePropertyChange(_event); + } + case ClientMessage: + { + if (!win->IsEnabled()) + return FALSE; - } - - return 0; -} - -// Processes an X event. -void wxApp::ProcessXEvent(WXEvent* _event) -{ - XEvent* event = (XEvent*) _event; - - if (event->type == KeyPress) - { -#if 0 // def __WXDEBUG__ - Widget widget = XtWindowToWidget(event->xany.display, event->xany.window); - wxLogDebug("Got key press event for 0x%08x (parent = 0x%08x)", - widget, XtParent(widget)); -#endif // DEBUG + Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True); + Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True); - if (CheckForAccelerator(_event)) - { - // Do nothing! We intercepted and processed the event as an - // accelerator. - return; - } -#if 1 - // It seemed before that this hack was redundant and - // key down events were being generated by wxCanvasInputEvent. - // But no longer - why ??? - // - else if (CheckForKeyDown(_event)) - { - // We intercepted and processed the key down event - return; - } -#endif - else - { - XtDispatchEvent(event); - return; - } - } - else if (event->type == KeyRelease) - { - // TODO: work out why we still need this ! -michael - // - if (CheckForKeyUp(_event)) - { - // We intercepted and processed the key up event - return; - } - else - { - XtDispatchEvent(event); - return; - } - } - else if (event->type == PropertyNotify) - { - HandlePropertyChange(_event); - return; - } - else if (event->type == ResizeRequest) - { - /* Terry Gitnick - 1/21/98 - * If resize event, don't resize until the last resize event for this - * window is recieved. Prevents flicker as windows are resized. - */ + if (event->xclient.message_type == wm_protocols) + { + if ((Atom) (event->xclient.data.l[0]) == wm_delete_window) + { + win->Close(FALSE); + return TRUE; + } + } + return FALSE; + } +#if 0 + case DestroyNotify: + { + printf( "destroy from %s\n", win->GetName().c_str() ); + break; + } + case CreateNotify: + { + printf( "create from %s\n", win->GetName().c_str() ); + break; + } + case MapRequest: + { + printf( "map request from %s\n", win->GetName().c_str() ); + break; + } + case ResizeRequest: + { + printf( "resize request from %s\n", win->GetName().c_str() ); - Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()); - Window win = event->xany.window; - XEvent report; + Display *disp = (Display*) wxGetDisplay(); + XEvent report; - // to avoid flicker - report = * event; - while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report)); + // to avoid flicker + report = * event; + while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report)); - // TODO: when implementing refresh optimization, we can use - // XtAddExposureToRegion to expand the window's paint region. + wxSize sz = win->GetSize(); + wxSizeEvent sizeEvent(sz, win->GetId()); + sizeEvent.SetEventObject(win); - XtDispatchEvent(event); - } - else - { - XtDispatchEvent(event); - } -} + return win->GetEventHandler()->ProcessEvent( sizeEvent ); + } +#endif +#endif +#if wxUSE_NANOX + case GR_EVENT_TYPE_CLOSE_REQ: + { + if (win) + { + win->Close(FALSE); + return TRUE; + } + return FALSE; + break; + } +#endif + case EnterNotify: + case LeaveNotify: + case ButtonPress: + case ButtonRelease: + case MotionNotify: + { + if (!win->IsEnabled()) + return FALSE; -// Returns TRUE if more time is needed. -bool wxApp::ProcessIdle() -{ - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); + // Here we check if the top level window is + // disabled, which is one aspect of modality. + wxWindow *tlw = win; + while (tlw && !tlw->IsTopLevel()) + tlw = tlw->GetParent(); + if (tlw && !tlw->IsEnabled()) + return FALSE; - return event.MoreRequested(); -} + if (event->type == ButtonPress) + { + if ((win != wxWindow::FindFocus()) && win->AcceptsFocus()) + { + // This might actually be done in wxWindow::SetFocus() + // and not here. TODO. + g_prevFocus = wxWindow::FindFocus(); + g_nextFocus = win; + + wxLogTrace( _T("focus"), _T("About to call SetFocus on %s of type %s due to button press"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); + + // Record the fact that this window is + // getting the focus, because we'll need to + // check if its parent is getting a bogus + // focus and duly ignore it. + // TODO: may need to have this code in SetFocus, too. + extern wxWindow* g_GettingFocus; + g_GettingFocus = win; + win->SetFocus(); + } + } -void wxApp::ExitMainLoop() -{ - m_keepGoing = FALSE; -} +#if !wxUSE_NANOX + if (event->type == LeaveNotify || event->type == EnterNotify) + { + // Throw out NotifyGrab and NotifyUngrab + if (event->xcrossing.mode != NotifyNormal) + return FALSE; + } +#endif + wxMouseEvent wxevent; + wxTranslateMouseEvent(wxevent, win, window, event); + return win->GetEventHandler()->ProcessEvent( wxevent ); + } + case FocusIn: +#if !wxUSE_NANOX + if ((event->xfocus.detail != NotifyPointer) && + (event->xfocus.mode == NotifyNormal)) +#endif + { + wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); + + extern wxWindow* g_GettingFocus; + if (g_GettingFocus && g_GettingFocus->GetParent() == win) + { + // Ignore this, this can be a spurious FocusIn + // caused by a child having its focus set. + g_GettingFocus = NULL; + wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); + return TRUE; + } + else + { + wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId()); + focusEvent.SetEventObject(win); + focusEvent.SetWindow( g_prevFocus ); + g_prevFocus = NULL; + + return win->GetEventHandler()->ProcessEvent(focusEvent); + } + } + return FALSE; -// Is a message/event pending? -bool wxApp::Pending() -{ - XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() )); + case FocusOut: +#if !wxUSE_NANOX + if ((event->xfocus.detail != NotifyPointer) && + (event->xfocus.mode == NotifyNormal)) +#endif + { + wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() ); - // Fix by Doug from STI, to prevent a stall if non-X event - // is found. - return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ; -} + wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId()); + focusEvent.SetEventObject(win); + focusEvent.SetWindow( g_nextFocus ); + g_nextFocus = NULL; + return win->GetEventHandler()->ProcessEvent(focusEvent); + } + return FALSE; -// Dispatch a message. -void wxApp::Dispatch() -{ - // XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll); +#ifdef __WXDEBUG__ + default: + //wxString eventName = wxGetXEventName(XEvent& event); + //wxLogDebug(wxT("Event %s not handled"), eventName.c_str()); + break; +#endif // __WXDEBUG__ + } - XEvent event; - XtAppNextEvent((XtAppContext) GetAppContext(), &event); - ProcessXEvent((WXEvent*) & event); + return FALSE; } // This should be redefined in a derived class for // handling property change events for XAtom IPC. -void wxApp::HandlePropertyChange(WXEvent *event) +bool wxApp::HandlePropertyChange(WXEvent *event) { // by default do nothing special - XtDispatchEvent((XEvent*) event); /* let Motif do the work */ + // TODO: what to do for X11 + // XtDispatchEvent((XEvent*) event); + return FALSE; } -void wxApp::OnIdle(wxIdleEvent& event) +void wxApp::WakeUpIdle() { - static bool inOnIdle = FALSE; + // TODO: use wxMotif implementation? - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; - - inOnIdle = TRUE; - - // If there are pending events, we must process them: pending events - // are either events to the threads other than main or events posted - // with wxPostEvent() functions - // GRG: I have moved this here so that all pending events are processed - // before starting to delete any objects. This behaves better (in - // particular, wrt wxPostEvent) and is coherent with wxGTK's current - // behaviour. Also removed the '#if wxUSE_THREADS' around it. - // Changed Mar/2000 before 2.1.14 - - // Flush pending events. - ProcessPendingEvents(); - - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); - - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); - - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); - - if (needMore) - event.RequestMore(TRUE); - - inOnIdle = FALSE; -} - -void wxWakeUpIdle() -{ - // **** please implement me! **** // Wake up the idle handler processor, even if it is in another thread... } -// Send idle event to all top-level windows -bool wxApp::SendIdleEvents() +// Create display, and other initialization +bool wxApp::OnInitGui() { - bool needMore = FALSE; - - wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow* win = node->GetData(); - if (SendIdleEvents(win)) - needMore = TRUE; - node = node->GetNext(); - } - - return needMore; -} + // Eventually this line will be removed, but for + // now we don't want to try popping up a dialog + // for error messages. + delete wxLog::SetActiveTarget(new wxLogStderr); -// Send idle event to window and all subwindows -bool wxApp::SendIdleEvents(wxWindow* win) -{ - bool needMore = FALSE; + if (!wxAppBase::OnInitGui()) + return FALSE; - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + GetMainColormap( wxApp::GetDisplay() ); - if (event.MoreRequested()) - needMore = TRUE; + m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() ); - wxNode* node = win->GetChildren().First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; +#if !wxUSE_NANOX + m_visualInfo = new wxXVisualInfo; + wxFillXVisualInfo( m_visualInfo, (Display*) wxApp::GetDisplay() ); +#endif - node = node->Next(); - } - return needMore ; + return TRUE; } -void wxApp::DeletePendingObjects() -{ - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if (wxPendingDelete.Member(obj)) - delete node; +#if wxUSE_UNICODE - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.First(); - } -} +#include +#include +#include -// Create an application context -bool wxApp::OnInitGui() +PangoContext* wxApp::GetPangoContext() { - XtToolkitInitialize() ; - wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ; - Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL, - (const char*) wxTheApp->GetClassName(), NULL, 0, -# if XtSpecificationRelease < 5 - (Cardinal*) &argc, -# else - &argc, -# endif - argv); - - if (!dpy) { - wxString className(wxTheApp->GetClassName()); - wxLogError(_("wxWindows could not open display for '%s': exiting."), - (const char*) className); - exit(-1); - } - m_initialDisplay = (WXDisplay*) dpy; + static PangoContext *ret = NULL; + if (ret) + return ret; -#ifdef __WXDEBUG__ - // install the X error handler - gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler); -#endif // __WXDEBUG__ + Display *xdisplay = (Display*) wxApp::GetDisplay(); - wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(), - applicationShellWidgetClass,dpy, - NULL,0) ; +#if 1 + int xscreen = DefaultScreen(xdisplay); + static int use_xft = -1; + if (use_xft == -1) + { + wxString val = wxGetenv( L"GDK_USE_XFT" ); + use_xft = (val == L"1"); + } - // Add general resize proc - XtActionsRec rec; - rec.string = "resize"; - rec.proc = (XtActionProc)wxWidgetResizeProc; - XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1); + if (use_xft) + ret = pango_xft_get_context( xdisplay, xscreen ); + else +#endif + ret = pango_x_get_context( xdisplay ); - GetMainColormap(dpy); - m_maxRequestSize = XMaxRequestSize((Display*) dpy); + if (!PANGO_IS_CONTEXT(ret)) + wxLogError( wxT("No pango context.") ); - return TRUE; + return ret; } +#endif WXColormap wxApp::GetMainColormap(WXDisplay* display) { @@ -626,171 +740,117 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display) return (WXColormap) c; } -// Returns TRUE if an accelerator has been processed -bool wxApp::CheckForAccelerator(WXEvent* event) +Window wxGetWindowParent(Window window) { - XEvent* xEvent = (XEvent*) event; - if (xEvent->xany.type == KeyPress) - { - // Find a wxWindow for this window - // TODO: should get display for the window, not the current display - Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), xEvent->xany.window); - wxWindow* win = NULL; + wxASSERT_MSG( window, _T("invalid window") ); - // Find the first wxWindow that corresponds to this event window - while (widget && !(win = wxGetWindowFromTable(widget))) - widget = XtParent(widget); + return (Window) 0; - if (!widget || !win) - return FALSE; - - wxKeyEvent keyEvent(wxEVT_CHAR); - wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); +#ifndef __VMS + // VMS chokes on unreacheable code + Window parent, root = 0; +#if wxUSE_NANOX + int noChildren = 0; +#else + unsigned int noChildren = 0; +#endif + Window* children = NULL; - // Now we have a wxKeyEvent and we have a wxWindow. - // Go up the hierarchy until we find a matching accelerator, - // or we get to the top. - while (win) - { - if (win->ProcessAccelerator(keyEvent)) - return TRUE; - win = win->GetParent(); - } - return FALSE; - } - return FALSE; + // #define XQueryTree(d,w,r,p,c,nc) GrQueryTree(w,p,c,nc) + int res = 1; +#if !wxUSE_NANOX + res = +#endif + XQueryTree((Display*) wxGetDisplay(), window, & root, & parent, + & children, & noChildren); + if (children) + XFree(children); + if (res) + return parent; + else + return (Window) 0; +#endif } -bool wxApp::CheckForKeyDown(WXEvent* event) +void wxApp::Exit() { - XEvent* xEvent = (XEvent*) event; - if (xEvent->xany.type == KeyPress) - { - Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), - xEvent->xany.window); - wxWindow* win = NULL; - - // Find the first wxWindow that corresponds to this event window - while (widget && !(win = wxGetWindowFromTable(widget))) - widget = XtParent(widget); - - if (!widget || !win) - return FALSE; - - wxKeyEvent keyEvent(wxEVT_KEY_DOWN); - wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); - - return win->ProcessEvent( keyEvent ); - } + wxApp::CleanUp(); - return FALSE; + wxAppConsole::Exit(); } -bool wxApp::CheckForKeyUp(WXEvent* event) +// Yield to other processes + +bool wxApp::Yield(bool onlyIfNeeded) { - XEvent* xEvent = (XEvent*) event; - if (xEvent->xany.type == KeyRelease) + // Sometimes only 2 yields seem + // to do the trick, e.g. in the + // progress dialog + int i; + for (i = 0; i < 2; i++) { - Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), - xEvent->xany.window); - wxWindow* win = NULL; - - // Find the first wxWindow that corresponds to this event window - while (widget && !(win = wxGetWindowFromTable(widget))) - widget = XtParent(widget); - - if (!widget || !win) - return FALSE; + static bool s_inYield = FALSE; - wxKeyEvent keyEvent(wxEVT_KEY_UP); - wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); + if ( s_inYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } - return win->ProcessEvent( keyEvent ); - } + return FALSE; + } - return FALSE; -} + s_inYield = TRUE; -void wxExit() -{ - int retValue = 0; - if (wxTheApp) - retValue = wxTheApp->OnExit(); + // Make sure we have an event loop object, + // or Pending/Dispatch will fail + wxEventLoop* eventLoop = wxEventLoop::GetActive(); + wxEventLoop* newEventLoop = NULL; + if (!eventLoop) + { + newEventLoop = new wxEventLoop; + wxEventLoop::SetActive(newEventLoop); + } - wxApp::CleanUp(); - /* - * Exit in some platform-specific way. Not recommended that the app calls this: - * only for emergencies. - */ - exit(retValue); -} + // Call dispatch at least once so that sockets + // can be tested + wxTheApp->Dispatch(); -// Yield to other processes + while (wxTheApp && wxTheApp->Pending()) + wxTheApp->Dispatch(); -bool wxApp::Yield(bool onlyIfNeeded) -{ - bool s_inYield = FALSE; +#if wxUSE_TIMER + wxTimer::NotifyTimers(); +#endif + ProcessIdle(); - if ( s_inYield ) - { - if ( !onlyIfNeeded ) + if (newEventLoop) { - wxFAIL_MSG( wxT("wxYield called recursively" ) ); + wxEventLoop::SetActive(NULL); + delete newEventLoop; } - return FALSE; + s_inYield = FALSE; } - s_inYield = TRUE; - - while (wxTheApp && wxTheApp->Pending()) - wxTheApp->Dispatch(); - - s_inYield = FALSE; - return TRUE; } -// TODO use XmGetPixmap (?) to get the really standard icons! - -// XPM hack: make the arrays const -#define static static const - -#include "wx/generic/info.xpm" -#include "wx/generic/error.xpm" -#include "wx/generic/question.xpm" -#include "wx/generic/warning.xpm" - -#undef static +#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); - - case wxICON_QUESTION: - return wxIcon(question_xpm); - - case wxICON_EXCLAMATION: - return wxIcon(warning_xpm); - - default: - wxFAIL_MSG("requested non existent standard icon"); - // still fall through - - case wxICON_HAND: - return wxIcon(error_xpm); - } + // While the GUI isn't working that well, just print out the + // message. +#if 1 + wxAppBase::OnAssert(file, line, cond, msg); +#else + wxString msg2; + msg2.Printf("At file %s:%d: %s", file, line, msg); + wxLogDebug(msg2); +#endif } -// ---------------------------------------------------------------------------- -// accessors for C modules -// ---------------------------------------------------------------------------- +#endif // __WXDEBUG__ -extern "C" XtAppContext wxGetAppContext() -{ - return (XtAppContext)wxTheApp->GetAppContext(); -}