X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2d120f8391920145647ec10e84629bc21fa9f1bb..09e48f0b1917db7e455f28c2c9ed661d39e9ab65:/src/motif/app.cpp diff --git a/src/motif/app.cpp b/src/motif/app.cpp index 2c179d7a2d..fa1fd15f66 100644 --- a/src/motif/app.cpp +++ b/src/motif/app.cpp @@ -6,11 +6,16 @@ // Created: 17/09/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "app.h" + #pragma implementation "app.h" +#endif + +#ifdef __VMS +#define XtParent XTPARENT +#define XtDisplay XTDISPLAY #endif #include "wx/frame.h" @@ -28,20 +33,28 @@ #include "wx/log.h" #include "wx/module.h" #include "wx/memory.h" +#include "wx/log.h" +#include "wx/intl.h" #if wxUSE_THREADS -#include "wx/thread.h" + #include "wx/thread.h" #endif #if wxUSE_WX_RESOURCES -#include "wx/resource.h" + #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" @@ -54,35 +67,48 @@ wxApp *wxTheApp = NULL; wxHashTable *wxWidgetHashTable = NULL; -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) + BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) -EVT_IDLE(wxApp::OnIdle) + EVT_IDLE(wxApp::OnIdle) END_EVENT_TABLE() -#endif + +#ifdef __WXDEBUG__ + typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *); + + XErrorHandlerFunc gs_pfnXErrorHandler = 0; + + static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent) + { + // just forward to the default handler for now + return gs_pfnXErrorHandler(dpy, xevent); + } +#endif // __WXDEBUG__ long wxApp::sm_lastMessageTime = 0; bool wxApp::Initialize() { -#ifdef __WXMSW__ - wxBuffer = new char[1500]; -#else wxBuffer = new char[BUFSIZ + 512]; -#endif - + wxClassInfo::InitializeClasses(); - + + // 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 + wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); wxTheColourDatabase->Initialize(); - + wxInitializeStockLists(); wxInitializeStockObjects(); - + #if wxUSE_WX_RESOURCES wxInitializeResourceSystem(); #endif - + // For PostScript printing #if wxUSE_POSTSCRIPT /* Done using wxModule now @@ -91,14 +117,14 @@ bool wxApp::Initialize() wxThePrintPaperDatabase->CreateDatabase(); */ #endif - + wxBitmap::InitStandardHandlers(); - + wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER); - + wxModule::RegisterModules(); if (!wxModule::InitializeModules()) return FALSE; - + return TRUE; } @@ -106,32 +132,32 @@ void wxApp::CleanUp() { delete wxWidgetHashTable; wxWidgetHashTable = NULL; - + wxModule::CleanUpModules(); - + #if wxUSE_WX_RESOURCES wxCleanUpResourceSystem(); #endif - + wxDeleteStockObjects() ; - + // Destroy all GDI lists, etc. - + delete wxTheBrushList; wxTheBrushList = NULL; - + delete wxThePenList; wxThePenList = NULL; - + delete wxTheFontList; wxTheFontList = NULL; - + delete wxTheBitmapList; wxTheBitmapList = NULL; - + delete wxTheColourDatabase; wxTheColourDatabase = NULL; - + #if wxUSE_POSTSCRIPT /* Done using wxModule now wxInitializePrintSetupData(FALSE); @@ -139,17 +165,24 @@ void wxApp::CleanUp() wxThePrintPaperDatabase = NULL; */ #endif - + wxBitmap::CleanUpHandlers(); - + delete[] wxBuffer; wxBuffer = NULL; - + wxClassInfo::CleanUpClasses(); - + delete wxTheApp; wxTheApp = NULL; - + + // 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 (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, @@ -162,7 +195,7 @@ void wxApp::CleanUp() wxDebugContext::PrintStatistics(); } #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 @@ -180,10 +213,10 @@ int wxEntry( int argc, char *argv[] ) // checked, but this is a reasonable compromise. wxDebugContext::SetCheckpoint(); #endif - + if (!wxApp::Initialize()) return FALSE; - + if (!wxTheApp) { if (!wxApp::GetInitializerFunction()) @@ -191,60 +224,59 @@ int wxEntry( int argc, char *argv[] ) printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" ); return 0; }; - + wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) (); }; - + if (!wxTheApp) { 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(). - + + // Here frames insert themselves automatically into wxTopLevelWindows by + // getting created in OnInit(). + int retValue = 0; if (wxTheApp->OnInit()) { if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun(); } - + // flush the logged messages if any wxLog *pLog = wxLog::GetActiveTarget(); if ( pLog != NULL && pLog->HasPendingMessages() ) pLog->Flush(); - + delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used // for further messages - + if (wxTheApp->GetTopWindow()) { delete wxTheApp->GetTopWindow(); wxTheApp->SetTopWindow(NULL); } - + wxTheApp->DeletePendingObjects(); - + wxTheApp->OnExit(); - + wxApp::CleanUp(); - + return retValue; }; // Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; wxApp::wxApp() { @@ -255,10 +287,8 @@ wxApp::wxApp() m_appName = ""; argc = 0; argv = NULL; - m_printMode = wxPRINT_POSTSCRIPT; m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; - + m_mainColormap = (WXColormap) NULL; m_appContext = (WXAppContext) NULL; m_topLevelWidget = (WXWidget) NULL; @@ -277,42 +307,43 @@ bool wxApp::Initialized() int wxApp::MainLoop() { m_keepGoing = TRUE; - + /* * 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. */ - + XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())), PropertyChangeMask); - + XEvent event; - + // Use this flag to allow breaking the loop via wxApp::ExitMainLoop() while (m_keepGoing) { XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event); - + ProcessXEvent((WXEvent*) & event); - + if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0) { if (!ProcessIdle()) - { - // TODO: Robert, what's this for? + { #if wxUSE_THREADS + // leave the main loop to give other threads a chance to + // perform their GUI work wxMutexGuiLeave(); - usleep(20); + wxUsleep(20); wxMutexGuiEnter(); #endif } } - + } - + return 0; } @@ -320,11 +351,52 @@ int wxApp::MainLoop() void wxApp::ProcessXEvent(WXEvent* _event) { XEvent* event = (XEvent*) _event; - - if ((event->type == KeyPress) && CheckForAccelerator(_event)) + + if (event->type == KeyPress) { - // Do nothing! We intercepted and processed the event as an accelerator. - return; +#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 + + 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) { @@ -333,22 +405,22 @@ void wxApp::ProcessXEvent(WXEvent* _event) } 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. - */ - + /* 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. + */ + Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()); Window win = event->xany.window; XEvent report; - + // to avoid flicker report = * event; while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report)); - + // TODO: when implementing refresh optimization, we can use // XtAddExposureToRegion to expand the window's paint region. - + XtDispatchEvent(event); } else @@ -363,7 +435,7 @@ bool wxApp::ProcessIdle() wxIdleEvent event; event.SetEventObject(this); ProcessEvent(event); - + return event.MoreRequested(); } @@ -376,7 +448,7 @@ void wxApp::ExitMainLoop() bool wxApp::Pending() { XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() )); - + // Fix by Doug from STI, to prevent a stall if non-X event // is found. return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ; @@ -386,7 +458,7 @@ bool wxApp::Pending() void wxApp::Dispatch() { // XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll); - + XEvent event; XtAppNextEvent((XtAppContext) GetAppContext(), &event); ProcessXEvent((WXEvent*) & event); @@ -403,43 +475,63 @@ void wxApp::HandlePropertyChange(WXEvent *event) void wxApp::OnIdle(wxIdleEvent& event) { static bool inOnIdle = FALSE; - + // 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() { bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); + + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); while (node) { - wxWindow* win = (wxWindow*) node->Data(); + wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; - - node = node->Next(); + node = node->GetNext(); } + return needMore; } @@ -447,21 +539,21 @@ bool wxApp::SendIdleEvents() bool wxApp::SendIdleEvents(wxWindow* win) { bool needMore = FALSE; - + wxIdleEvent event; event.SetEventObject(win); win->ProcessEvent(event); - + if (event.MoreRequested()) needMore = TRUE; - + wxNode* node = win->GetChildren().First(); while (node) { wxWindow* win = (wxWindow*) node->Data(); if (SendIdleEvents(win)) needMore = TRUE; - + node = node->Next(); } return needMore ; @@ -473,64 +565,58 @@ void wxApp::DeletePendingObjects() while (node) { wxObject *obj = (wxObject *)node->Data(); - + delete obj; - + if (wxPendingDelete.Member(obj)) delete node; - + // Deleting one object may have deleted other pending // objects, so start from beginning of list again. node = wxPendingDelete.First(); } } -wxLog* wxApp::CreateLogTarget() -{ - return new wxLogGui; -} - -wxWindow* wxApp::GetTopWindow() const -{ - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; -} - // Create an application context bool wxApp::OnInitGui() { XtToolkitInitialize() ; wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ; Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL, - (const char*) wxTheApp->GetClassName(), NULL, + (const char*) wxTheApp->GetClassName(), NULL, 0, # if XtSpecificationRelease < 5 - 0,(Cardinal*) &argc,argv) ; + (Cardinal*) &argc, # else - 0,&argc,argv) ; + &argc, # endif + argv); + if (!dpy) { - cerr << "wxWindows could not open display for " << wxTheApp->GetClassName() << ": exiting.\n"; + wxString className(wxTheApp->GetClassName()); + wxLogError(_("wxWindows could not open display for '%s': exiting."), + (const char*) className); exit(-1); } m_initialDisplay = (WXDisplay*) dpy; - + +#ifdef __WXDEBUG__ + // install the X error handler + gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler); +#endif // __WXDEBUG__ + wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(), applicationShellWidgetClass,dpy, NULL,0) ; - + // Add general resize proc XtActionsRec rec; rec.string = "resize"; rec.proc = (XtActionProc)wxWidgetResizeProc; XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1); - + GetMainColormap(dpy); m_maxRequestSize = XMaxRequestSize((Display*) dpy); - + return TRUE; } @@ -538,14 +624,15 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display) { if (!display) /* Must be called first with non-NULL display */ return m_mainColormap; - - Colormap c = - DefaultColormapOfScreen(XScreenOfDisplay((Display*) display, - DefaultScreen((Display*) display))); - + + int defaultScreen = DefaultScreen((Display*) display); + Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen); + + Colormap c = DefaultColormapOfScreen(screen); + if (!m_mainColormap) m_mainColormap = (WXColormap) c; - + return (WXColormap) c; } @@ -559,17 +646,17 @@ bool wxApp::CheckForAccelerator(WXEvent* event) // TODO: should get display for the window, not the current display 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_CHAR); wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); - + // 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. @@ -584,12 +671,62 @@ bool wxApp::CheckForAccelerator(WXEvent* event) return FALSE; } +bool wxApp::CheckForKeyDown(WXEvent* event) +{ + 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 ); + } + + return FALSE; +} + +bool wxApp::CheckForKeyUp(WXEvent* event) +{ + XEvent* xEvent = (XEvent*) event; + if (xEvent->xany.type == KeyRelease) + { + 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_UP); + wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent); + + return win->ProcessEvent( keyEvent ); + } + + return FALSE; +} + void wxExit() { int retValue = 0; if (wxTheApp) retValue = wxTheApp->OnExit(); - + wxApp::CleanUp(); /* * Exit in some platform-specific way. Not recommended that the app calls this: @@ -599,10 +736,76 @@ void wxExit() } // Yield to other processes + +static bool gs_inYield = FALSE; + bool wxYield() { +#ifdef __WXDEBUG__ + if (gs_inYield) + wxFAIL_MSG( wxT("wxYield called recursively" ) ); +#endif + + gs_inYield = TRUE; + while (wxTheApp && wxTheApp->Pending()) wxTheApp->Dispatch(); + + // VZ: is it the same as this (taken from old wxExecute)? +#if 0 + XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll); +#endif + + gs_inYield = FALSE; + return TRUE; } +// Yield to incoming messages; but fail silently if recursion is detected. +bool wxYieldIfNeeded() +{ + if (gs_inYield) + return FALSE; + + return wxYield(); +} + + +// TODO use XmGetPixmap (?) to get the really standard icons! + +#include "wx/generic/info.xpm" +#include "wx/generic/error.xpm" +#include "wx/generic/question.xpm" +#include "wx/generic/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("requested non existent standard icon"); + // still fall through + + case wxICON_HAND: + return wxIcon(error_xpm); + } +} + +// ---------------------------------------------------------------------------- +// accessors for C modules +// ---------------------------------------------------------------------------- + +extern "C" XtAppContext wxGetAppContext() +{ + return (XtAppContext)wxTheApp->GetAppContext(); +}