/////////////////////////////////////////////////////////////////////////////
// Name: app.cpp
// Purpose: wxApp
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/13/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "app.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+ #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/intl.h"
+ #include "wx/dynarray.h"
+# include "wx/wxchar.h"
+# include "wx/icon.h"
#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/os2/private.h"
+
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+
+ // define the array of QMSG strutures
+ WX_DECLARE_OBJARRAY(QMSG, wxMsgArray);
+
+ #include "wx/arrimpl.cpp"
+
+ WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
#if wxUSE_WX_RESOURCES
-#include "wx/resource.h"
+ #include "wx/resource.h"
#endif
#include <string.h>
+#include <ctype.h>
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxChar* wxBuffer;
+extern wxChar* wxOsVersion;
+extern wxList* wxWinHandleList;
+extern wxList WXDLLEXPORT wxPendingDelete;
+extern void wxSetKeyboardHook(bool doIt);
+extern wxCursor* g_globalCursor;
+
+HINSTANCE wxhInstance = 0;
+QMSG svCurrentMsg;
+wxApp* wxTheApp = NULL;
+HAB vHabmain = NULL;
+
+// FIXME why not const? and not static?
+
+// NB: all "NoRedraw" classes must have the same names as the "normal" classes
+// with NR suffix - wxWindow::OS2Create() supposes this
+wxChar wxFrameClassName[] = wxT("wxFrameClass");
+wxChar wxFrameClassNameNoRedraw[] = wxT("wxFrameClassNR");
+wxChar wxMDIFrameClassName[] = wxT("wxMDIFrameClass");
+wxChar wxMDIFrameClassNameNoRedraw[] = wxT("wxMDIFrameClassNR");
+wxChar wxMDIChildFrameClassName[] = wxT("wxMDIChildFrameClass");
+wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR");
+wxChar wxPanelClassName[] = wxT("wxPanelClass");
+wxChar wxCanvasClassName[] = wxT("wxCanvasClass");
+
+HICON wxSTD_FRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
+
+MRESULT wxWndProc( HWND
+ ,ULONG
+ ,MPARAM
+ ,MPARAM
+ );
+
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// wxApp
+// ---------------------------------------------------------------------------
+
+ IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
+ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+ END_EVENT_TABLE()
+
+//// Initialize
+bool wxApp::Initialize(
+ HAB vHab
+)
+{
+ // Some people may wish to use this, but
+ // probably it shouldn't be here by default.
+#ifdef __WXDEBUG__
+ // wxRedirectIOToConsole();
+#endif
-extern char *wxBuffer;
-extern wxList wxPendingDelete;
+ wxBuffer = new wxChar[1500]; // FIXME; why?
-wxApp *wxTheApp = NULL;
+ wxClassInfo::InitializeClasses();
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+#if wxUSE_RESOURCES
+ wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion);
#endif
-long wxApp::sm_lastMessageTime = 0;
+ // 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.
+ wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+ wxTheColourDatabase->Initialize();
-bool wxApp::Initialize()
-{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
+
+#if wxUSE_WX_RESOURCES
+ wxInitializeResourceSystem();
#endif
-/* No longer used
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ wxBitmap::InitStandardHandlers();
+
+ g_globalCursor = new wxCursor;
- streambuf* sBuf = new wxDebugStreamBuf;
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+#if 0
+ wxSTD_FRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_FRAME"), TRUE);
+ wxSTD_MDIPARENTFRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_MDIPARENTFRAME"), TRUE);
+ wxSTD_MDICHILDFRAME_ICON = ::WinLoadFileIcon(wxT("wxSTD_MDICHILDFRAME"), TRUE);
+
+ wxDEFAULT_FRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_FRAME"), TRUE);
+ wxDEFAULT_MDIPARENTFRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_MDIPARENTFRAME"), TRUE);
+ wxDEFAULT_MDICHILDFRAME_ICON = ::WinLoadFileIcon(wxT("wxDEFAULT_MDICHILDFRAME"), TRUE);
+#endif
+ RegisterWindowClasses(vHab);
+ wxWinHandleList = new wxList(wxKEY_INTEGER);
+
+ // This is to foil optimizations in Visual C++ that throw out dummy.obj.
+ // PLEASE DO NOT ALTER THIS.
+#if !defined(WXMAKINGDLL)
+ extern char wxDummyChar;
+ if (wxDummyChar) wxDummyChar++;
#endif
-*/
-
- wxClassInfo::InitializeClasses();
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ wxSetKeyboardHook(TRUE);
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules())
+ return FALSE;
+ return TRUE;
+}
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------
- wxBitmap::InitStandardHandlers();
+// TODO we should only register classes really used by the app. For this it
+// would be enough to just delay the class registration until an attempt
+// to create a window of this class is made.
+bool wxApp::RegisterWindowClasses(
+ HAB vHab
+)
+{
+ APIRET rc;
+
+ if ((rc = ::WinRegisterClass( vHab
+ ,wxFrameClassName
+ ,(PFNWP)wxWndProc
+ ,CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME
+ ,0
+ )) != 0)
+ {
+ wxLogLastError("RegisterClass(frame)");
+
+ return FALSE;
+ }
+
+ if (!::WinRegisterClass( vHab
+ ,wxFrameClassNameNoRedraw
+ ,(PFNWP)wxWndProc
+ ,CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(no redraw frame)");
+
+ return FALSE;
+ }
+
+ if (!::WinRegisterClass( vHab
+ ,wxMDIFrameClassName
+ ,(PFNWP)wxWndProc
+ ,CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(MDI parent)");
+
+ return FALSE;
+ }
- wxModule::RegisterModules();
- wxASSERT( wxModule::InitializeModules() == TRUE );
+ if (!::WinRegisterClass( vHab
+ ,wxMDIFrameClassNameNoRedraw
+ ,(PFNWP)wxWndProc
+ ,CS_HITTEST | CS_CLIPCHILDREN | CS_FRAME
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(no redraw MDI parent)");
+
+ return FALSE;
+ }
+
+ if (!::WinRegisterClass( vHab
+ ,wxMDIChildFrameClassName
+ ,(PFNWP)wxWndProc
+ ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST | CS_CLIPSIBLINGS | CS_FRAME
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(MDI child)");
+
+ return FALSE;
+ }
- return TRUE;
+ if (!::WinRegisterClass( vHab
+ ,wxMDIChildFrameClassNameNoRedraw
+ ,(PFNWP)wxWndProc
+ ,CS_HITTEST | CS_CLIPSIBLINGS | CS_FRAME
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(no redraw MDI child)");
+
+ return FALSE;
+ }
+
+ if (!::WinRegisterClass( vHab
+ ,wxPanelClassName
+ ,(PFNWP)wxWndProc
+ ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_CLIPSIBLINGS | CS_SAVEBITS | CS_SYNCPAINT
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(Panel)");
+
+ return FALSE;
+ }
+
+ if (!::WinRegisterClass( vHab
+ ,wxCanvasClassName
+ ,(PFNWP)wxWndProc
+ ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_CLIPSIBLINGS | CS_SAVEBITS | CS_SYNCPAINT
+ ,0
+ ))
+ {
+ wxLogLastError("RegisterClass(Canvas)");
+
+ return FALSE;
+ }
+ return TRUE;
}
+//// Cleans up any wxWindows internal structures left lying around
+
void wxApp::CleanUp()
{
- wxModule::CleanUpModules();
+ //// COMMON CLEANUP
+
+#if wxUSE_LOG
+ // flush the logged messages if any and install a 'safer' log target: the
+ // default one (wxLogGui) can't be used after the resources are freed just
+ // below and the user suppliedo ne might be even more unsafe (using any
+ // wxWindows GUI function is unsafe starting from now)
+ wxLog::DontCreateOnDemand();
+
+ // this will flush the old messages if any
+ delete wxLog::SetActiveTarget(new wxLogStderr);
+#endif // wxUSE_LOG
+
+ // One last chance for pending objects to be cleaned up
+ wxTheApp->DeletePendingObjects();
+
+ wxModule::CleanUpModules();
#if wxUSE_WX_RESOURCES
- wxCleanUpResourceSystem();
+ wxCleanUpResourceSystem();
+
+ // wxDefaultResourceTable->ClearTable();
#endif
- wxDeleteStockObjects() ;
+ // Indicate that the cursor can be freed, so that cursor won't be deleted
+ // by deleting the bitmap list before g_globalCursor goes out of scope
+ // (double deletion of the cursor).
+ wxSetCursor(wxNullCursor);
+ delete g_globalCursor;
+ g_globalCursor = NULL;
+
+ wxDeleteStockObjects();
- // Destroy all GDI lists, etc.
+ // Destroy all GDI lists, etc.
+ wxDeleteStockLists();
- delete wxTheBrushList;
- wxTheBrushList = NULL;
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
- delete wxThePenList;
- wxThePenList = NULL;
+ wxBitmap::CleanUpHandlers();
- delete wxTheFontList;
- wxTheFontList = NULL;
+ delete[] wxBuffer;
+ wxBuffer = NULL;
- delete wxTheBitmapList;
- wxTheBitmapList = NULL;
+ //// WINDOWS-SPECIFIC CLEANUP
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+ wxSetKeyboardHook(FALSE);
- wxBitmap::CleanUpHandlers();
+ if (wxSTD_FRAME_ICON)
+ ::WinFreeFileIcon(wxSTD_FRAME_ICON);
+ if (wxSTD_MDICHILDFRAME_ICON)
+ ::WinFreeFileIcon(wxSTD_MDICHILDFRAME_ICON);
+ if (wxSTD_MDIPARENTFRAME_ICON)
+ ::WinFreeFileIcon(wxSTD_MDIPARENTFRAME_ICON);
- delete[] wxBuffer;
- wxBuffer = NULL;
+ if (wxDEFAULT_FRAME_ICON)
+ ::WinFreeFileIcon(wxDEFAULT_FRAME_ICON);
+ if (wxDEFAULT_MDICHILDFRAME_ICON)
+ ::WinFreeFileIcon(wxDEFAULT_MDICHILDFRAME_ICON);
+ if (wxDEFAULT_MDIPARENTFRAME_ICON)
+ ::WinFreeFileIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
- wxClassInfo::CleanUpClasses();
+ if ( wxDisableButtonBrush )
+ {
+// TODO: ::DeleteObject( wxDisableButtonBrush );
+ }
+
+ if (wxWinHandleList)
+ delete wxWinHandleList;
+
+ // 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;
+ // If we don't do the following, we get an apparent memory leak.
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif
+
+ wxClassInfo::CleanUpClasses();
+
+ delete wxTheApp;
+ wxTheApp = NULL;
- delete wxTheApp;
- wxTheApp = NULL;
-
#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() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
-// wxDebugContext::SetStream(NULL, NULL);
+ // 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)
+ {
+ wxLogDebug(wxT("There were memory leaks."));
+ wxDebugContext::Dump();
+ wxDebugContext::PrintStatistics();
+ }
+ // wxDebugContext::SetStream(NULL, NULL);
#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);
+
+#if wxUSE_LOG
+ // do it as the very last thing because everything else can log messages
+ delete wxLog::SetActiveTarget(NULL);
+#endif // wxUSE_LOG
}
-int wxEntry( int argc, char *argv[] )
+int wxEntry(
+ int argc
+, char* argv[]
+)
{
- if (!wxApp::Initialize())
- return FALSE;
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
+ HAB vHab = 0;
+
+ if (!wxApp::Initialize(vHab))
+ return 0;
+
+ //
+ // create the application object or ensure that one already exists
+ //
+ if (!wxTheApp)
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction()
+ ,-1
+ ,wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n")
+ );
+
+ wxAppInitializerFunction fnAppIni = wxApp::GetInitializerFunction();
+ wxObject* pTest_app = fnAppIni();
+
+ wxTheApp = (wxApp*)pTest_app;
+ }
+ wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
+ wxTheApp->argc = argc;
+
+#if wxUSE_UNICODE
+ wxTheApp->argv = new wxChar*[argc+1];
+
+ int nArgc = 0;
+
+ while (nArgc < argc)
{
- 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->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().
-
- if (!wxTheApp->OnInit()) return 0;
-
- int retValue = 0;
-
- if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
-
- if (wxTheApp->GetTopWindow())
- {
- delete wxTheApp->GetTopWindow();
- wxTheApp->SetTopWindow(NULL);
- }
-
- wxTheApp->DeletePendingObjects();
-
- wxTheApp->OnExit();
-
- wxApp::CleanUp();
-
- return retValue;
-};
+ wxTheApp->argv[nArgc] = wxStrdup(wxConvLibc.cMB2WX(argv[nArgc]));
+ nArgc++;
+ }
+ wxTheApp->argv[nArgc] = (wxChar *)NULL;
+#else
+ wxTheApp->argv = argv;
+#endif
+
+ wxString sName(wxFileNameFromPath(argv[0]));
+
+ wxStripExtension(sName);
+ wxTheApp->SetAppName(sName);
+
+ int nRetValue = 0;
+ if (!wxTheApp->OnInitGui())
+ nRetValue = -1;
+
+ if (nRetValue == 0)
+ {
+ if (wxTheApp->OnInit())
+ {
+ nRetValue = -1;
+ }
+ }
+
+ if (nRetValue == 0)
+ {
+ wxWindow* pTopWindow = wxTheApp->GetTopWindow();
+
+ if (pTopWindow)
+ {
+ // Forcibly delete the window.
+ if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+ pTopWindow->IsKindOf(CLASSINFO(wxDialog)) )
+ {
+ pTopWindow->Close(TRUE);
+ wxTheApp->DeletePendingObjects();
+ }
+ else
+ {
+ delete pTopWindow;
+ wxTheApp->SetTopWindow(NULL);
+ }
+ }
+ }
+ wxTheApp->OnExit();
+ wxApp::CleanUp();
+ return(nRetValue);
+}
+
+bool wxApp::OnInitGui()
+{
+ vHabmain = WinInitialize(0);
+ m_hMq = WinCreateMsgQueue(vHabmain, 0);
+
+ return TRUE;
+}
+
+//
// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+//
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_className = "";
- m_wantDebugOutput = TRUE ;
- m_appName = "";
- argc = 0;
- argv = NULL;
-#ifdef __WXMSW__
- m_printMode = wxPRINT_WINDOWS;
-#else
- m_printMode = wxPRINT_POSTSCRIPT;
+ m_topWindow = NULL;
+ wxTheApp = this;
+ m_wantDebugOutput = TRUE;
+
+ argc = 0;
+ argv = NULL;
+ m_nPrintMode = wxPRINT_WINDOWS;
+ m_exitOnFrameDelete = TRUE;
+ m_bAuto3D = TRUE;
+}
+
+wxApp::~wxApp()
+{
+#ifdef wxUSE_UNICODE
+ // Delete command-line args
+ int i;
+ for (i = 0; i < argc; i++)
+ {
+ delete[] argv[i];
+ }
+ delete[] argv;
#endif
- m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
}
bool wxApp::Initialized()
{
- if (GetTopWindow())
+ if (GetTopWindow())
+ return TRUE;
+ else
+ return FALSE;
+}
+
+//
+// Get and process a message, returning FALSE if WM_QUIT
+// received (and also set the flag telling the app to exit the main loop)
+//
+bool wxApp::DoMessage()
+{
+ BOOL bRc = ::WinGetMsg(vHabmain, &m_vMsg, HWND(NULL), 0, 0);
+
+ if (bRc == 0)
+ {
+ // got WM_QUIT
+ m_bKeepGoing = FALSE;
+ return FALSE;
+ }
+ else if (bRc == -1)
+ {
+ // should never happen, but let's test for it nevertheless
+ wxLogLastError("GetMessage");
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain()
+ ,wxT("only the main thread can process Windows messages")
+ );
+
+ static bool sbHadGuiLock = TRUE;
+ static wxMsgArray svSavedMessages;
+
+ //
+ // if a secondary thread owns is doing GUI calls, save all messages for
+ // later processing - we can't process them right now because it will
+ // lead to recursive library calls (and we're not reentrant)
+ //
+ if (!wxGuiOwnedByMainThread())
+ {
+ sbHadGuiLock = FALSE;
+
+ // leave out WM_COMMAND messages: too dangerous, sometimes
+ // the message will be processed twice
+ if ( !wxIsWaitingForThread() ||
+ svCurrentMsg.msg != WM_COMMAND )
+ {
+ svSavedMessages.Add(svCurrentMsg);
+ }
+ return TRUE;
+ }
+ else
+ {
+ //
+ // have we just regained the GUI lock? if so, post all of the saved
+ // messages
+ //
+ // FIXME of course, it's not _exactly_ the same as processing the
+ // messages normally - expect some things to break...
+ //
+ if (!sbHadGuiLock )
+ {
+ sbHadGuiLock = TRUE;
+
+ size_t nCount = svSavedMessages.Count();
+
+ for (size_t n = 0; n < nCount; n++)
+ {
+ QMSG vMsg = svSavedMessages[n];
+
+ if ( !ProcessMessage((WXMSG *)&vMsg) )
+ {
+ ::WinDispatchMsg(vHabmain, &vMsg);
+ }
+ }
+ svSavedMessages.Empty();
+ }
+ }
+#endif // wxUSE_THREADS
+
+ // Process the message
+ if (!ProcessMessage((WXMSG *)&svCurrentMsg) )
+ {
+ ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
+ }
+ }
return TRUE;
- else
- return FALSE;
}
+//////////////////////////////////////////////////////////////////////////////
+//
+// Keep trying to process messages until WM_QUIT
+// received.
+//
+// If there are messages to be processed, they will all be
+// processed and OnIdle will not be called.
+// When there are no more messages, OnIdle is called.
+// If OnIdle requests more time,
+// it will be repeatedly called so long as there are no pending messages.
+// A 'feature' of this is that once OnIdle has decided that no more processing
+// is required, then it won't get processing time until further messages
+// are processed (it'll sit in DoMessage).
+//
+//////////////////////////////////////////////////////////////////////////////
int wxApp::MainLoop()
{
- m_keepGoing = TRUE;
-
-/* TODO: implement your main loop here, calling ProcessIdle in idle time.
- while (m_keepGoing)
- {
- while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle()) {}
- if (!DoMessage())
- m_keepGoing = FALSE;
- }
-*/
-
- return 0;
+ m_bKeepGoing = TRUE;
+
+ while (m_bKeepGoing)
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+ while (!::WinPeekMsg(vHabmain, &svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) &&
+ ProcessIdle() )
+ {
+ }
+ DoMessage();
+ }
+ return (int)svCurrentMsg.mp1;
}
+//
// Returns TRUE if more time is needed.
+//
bool wxApp::ProcessIdle()
{
- wxIdleEvent event;
- event.SetEventObject(this);
- ProcessEvent(event);
+ wxIdleEvent vEvent;
+
+ vEvent.SetEventObject(this);
+ ProcessEvent(vEvent);
+ return vEvent.MoreRequested();
+}
+
+#if wxUSE_THREADS
+void wxApp::ProcessPendingEvents()
+{
+ wxNode* pNode = wxPendingEvents->First();
+ wxCriticalSectionLocker vLocker(*wxPendingEventsLocker);
+
+ while (pNode)
+ {
+ wxEvtHandler* pHandler = (wxEvtHandler *)pNode->Data();
+ pHandler->ProcessPendingEvents();
- return event.MoreRequested();
+ delete pNode;
+ pNode = wxPendingEvents->First();
+ }
}
+#endif
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ m_bKeepGoing = FALSE;
}
-// Is a message/event pending?
bool wxApp::Pending()
{
-/* TODO.
- */
- return FALSE;
+ return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);
}
-// Dispatch a message.
void wxApp::Dispatch()
{
-/* TODO.
- */
+ DoMessage();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// Give all windows a chance to preprocess
+// the message. Some may have accelerator tables, or have
+// MDI complications.
+//
+//////////////////////////////////////////////////////////////////////////////
+bool wxApp::ProcessMessage(
+ WXMSG* pWxmsg
+)
+{
+ QMSG* vMsg = (PQMSG)pWxmsg;
+ HWND hWnd = vMsg->hwnd;
+ wxWindow* pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
+ wxWindow* pWnd;
+
+ //
+ // for some composite controls (like a combobox), wndThis might be NULL
+ // because the subcontrol is not a wxWindow, but only the control itself
+ // is - try to catch this case
+ //
+ while (hWnd && !pWndThis)
+ {
+ hWnd = ::WinQueryWindow(hWnd, QW_PARENT);
+ pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
+ }
+
+ // Anyone for a non-translation message? Try youngest descendants first.
+ for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent())
+ {
+ if (pWnd->OS2ProcessMessage(pWxmsg))
+ return TRUE;
+ }
+ return FALSE;
}
-void wxApp::OnIdle(wxIdleEvent& event)
+void wxApp::OnIdle(
+ wxIdleEvent& rEvent
+)
{
- static bool inOnIdle = FALSE;
+ static bool sbInOnIdle = FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ //
+ // Avoid recursion (via ProcessEvent default case)
+ //
+ if (sbInOnIdle )
+ return;
- inOnIdle = TRUE;
+ sbInOnIdle = TRUE;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ //
+ // '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();
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog* pLog = wxLog::GetActiveTarget();
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ if (pLog != NULL && pLog->HasPendingMessages())
+ pLog->Flush();
+#endif // wxUSE_LOG
- if (needMore)
- event.RequestMore(TRUE);
+ // Send OnIdle events to all windows
+ if (SendIdleEvents())
+ {
+ //
+ // SendIdleEvents() returns TRUE if at least one window requested more
+ // idle events
+ //
+ rEvent.RequestMore(TRUE);
+ }
+
+ //
+ // If they are pending events, we must process them.
+ //
+#if wxUSE_THREADS
+ ProcessPendingEvents();
+#endif
+ sbInOnIdle = FALSE;
+}
- 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();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->Next();
- }
- return needMore;
+ bool bNeedMore = FALSE;
+ wxWindowList::Node* pNode = wxTopLevelWindows.GetFirst();
+
+ while (pNode)
+ {
+ wxWindow* pWin = pNode->GetData();
+
+ if (SendIdleEvents(pWin))
+ bNeedMore = TRUE;
+ pNode = pNode->GetNext();
+ }
+ return bNeedMore;
}
+//
// Send idle event to window and all subwindows
-bool wxApp::SendIdleEvents(wxWindow* win)
+//
+bool wxApp::SendIdleEvents(
+ wxWindow* pWin
+)
{
- bool needMore = FALSE;
+ bool bNeedMore = FALSE;
+ wxIdleEvent vEvent;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ vEvent.SetEventObject(pWin);
+ pWin->GetEventHandler()->ProcessEvent(vEvent);
- if (event.MoreRequested())
- needMore = TRUE;
+ if (vEvent.MoreRequested())
+ bNeedMore = TRUE;
- wxNode* node = win->GetChildren().First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ wxNode* pNode = pWin->GetChildren().First();
- node = node->Next();
- }
- return needMore ;
+ while (pNode)
+ {
+ wxWindow* pWin = (wxWindow*) pNode->Data();
+
+ if (SendIdleEvents(pWin))
+ bNeedMore = TRUE;
+ pNode = pNode->Next();
+ }
+ return bNeedMore;
}
void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
- 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();
- }
+ wxNode* pNode = wxPendingDelete.First();
+
+ while (pNode)
+ {
+ wxObject* pObj = (wxObject *)pNode->Data();
+
+ delete pObj;
+
+ if (wxPendingDelete.Member(pObj))
+ delete pNode;
+
+ //
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ //
+ pNode = wxPendingDelete.First();
+ }
}
-wxLog* wxApp::CreateLogTarget()
+void wxApp::OnEndSession(
+ wxCloseEvent& WXUNUSED(rEvent))
{
- return new wxLogGui;
+ if (GetTopWindow())
+ GetTopWindow()->Close(TRUE);
}
-wxWindow* wxApp::GetTopWindow() const
+//
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+//
+void wxApp::OnQueryEndSession(
+ wxCloseEvent& rEvent
+)
{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
+ if (GetTopWindow())
+ {
+ if (!GetTopWindow()->Close(!rEvent.CanVeto()))
+ rEvent.Veto(TRUE);
+ }
}
void wxExit()
{
- wxApp::CleanUp();
-/*
- * TODO: Exit in some platform-specific way. Not recommended that the app calls this:
- * only for emergencies.
- */
+ wxLogError(_("Fatal error: exiting"));
+
+ wxApp::CleanUp();
}
-// Yield to other processes
+// Yield to incoming messages
bool wxYield()
{
- /*
- * TODO
- */
- return TRUE;
+ HAB vHab = 0;
+ QMSG vMsg;
+ // We want to go back to the main message loop
+ // if we see a WM_QUIT. (?)
+ while (::WinPeekMsg(vHab, &vMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && vMsg.msg != WM_QUIT)
+ {
+ if (!wxTheApp->DoMessage())
+ break;
+ }
+ // If they are pending events, we must process them.
+#if wxUSE_THREADS
+ wxTheApp->ProcessPendingEvents();
+#endif
+ return TRUE;
+}
+
+wxIcon wxApp::GetStdIcon(
+ int nWhich
+) const
+{
+ switch(nWhich)
+ {
+ case wxICON_INFORMATION:
+ return wxIcon("wxICON_INFO");
+
+ case wxICON_QUESTION:
+ return wxIcon("wxICON_QUESTION");
+
+ case wxICON_EXCLAMATION:
+ return wxIcon("wxICON_WARNING");
+
+ default:
+ wxFAIL_MSG(wxT("requested non existent standard icon"));
+ // still fall through
+
+ case wxICON_HAND:
+ return wxIcon("wxICON_ERROR");
+ }
+ return wxIcon("wxICON_ERROR");
+}
+
+HINSTANCE wxGetInstance()
+{
+ return wxhInstance;
+}
+
+void wxSetInstance(HINSTANCE hInst)
+{
+ wxhInstance = hInst;
}
projects / wxWidgets.git / blobdiff