#ifdef __GNUG__
#pragma implementation "app.h"
- #pragma implementation "appbase.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/msgdlg.h"
#include "wx/intl.h"
#include "wx/dynarray.h"
-# include "wx/wxchar.h"
-# include "wx/icon.h"
+ #include "wx/wxchar.h"
+ #include "wx/icon.h"
#endif
#include "wx/log.h"
#include "wx/resource.h"
#endif
-// OLE is used for drag-and-drop, clipboard, OLE Automation...
-#ifndef wxUSE_NORLANDER_HEADERS
-#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__)
+#if wxUSE_TOOLTIPS
+ #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
+// compilers don't support it (missing headers, libs, ...)
+#if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__)
#undef wxUSE_OLE
#define wxUSE_OLE 0
#endif // broken compilers
-#endif
#if wxUSE_OLE
#include <ole2.h>
#include <string.h>
#include <ctype.h>
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))
#include <commctrl.h>
#endif
+#ifndef __WXMICROWIN__
#include "wx/msw/msvcrt.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+
+// The macro _WIN32_IE is defined by commctrl.h (unless it had already been
+// defined before) and shows us what common control features are available
+// during the compile time (it doesn't mean that they will be available during
+// the run-time, use GetComCtl32Version() to test for them!). The possible
+// values are:
+//
+// 0x0200 for comctl32.dll 4.00 shipped with Win95/NT 4.0
+// 0x0300 4.70 IE 3.x
+// 0x0400 4.71 IE 4.0
+// 0x0401 4.72 IE 4.01 and Win98
+// 0x0500 5.00 IE 5.x and NT 5.0 (Win2000)
+
+#ifndef _WIN32_IE
+ // minimal set of features by default
+ #define _WIN32_IE 0x0200
+#endif
+
+#if _WIN32_IE >= 0x0300 \
+ && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+ #include <shlwapi.h>
+#endif
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
extern wxChar *wxBuffer;
-extern wxChar *wxOsVersion;
extern wxList *wxWinHandleList;
extern wxList WXDLLEXPORT wxPendingDelete;
-#if wxUSE_THREADS
-extern wxList *wxPendingEvents;
-extern wxCriticalSection *wxPendingEventsLocker;
-#endif
+#ifndef __WXMICROWIN__
extern void wxSetKeyboardHook(bool doIt);
-extern wxCursor *g_globalCursor;
+#endif
-HINSTANCE wxhInstance = 0;
MSG s_currentMsg;
wxApp *wxTheApp = 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::MSWCreate() 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");
+const wxChar *wxFrameClassName = wxT("wxFrameClass");
+const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR");
+const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
+const wxChar *wxPanelClassName = wxT("wxPanelClass");
+const wxChar *wxPanelClassNameNR = wxT("wxPanelClassNR");
+const wxChar *wxCanvasClassName = wxT("wxCanvasClass");
+const wxChar *wxCanvasClassNameNR = wxT("wxCanvasClassNR");
HICON wxSTD_FRAME_ICON = (HICON) NULL;
HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
-#if defined(__WIN95__) && !defined(__TWIN32__)
- #define wxUSE_RICHEDIT 1
-#else
- #define wxUSE_RICHEDIT 0
-#endif
+// FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
+// needs compiler support for Win32 SEH. Others (especially Borland)
+// probably have it too, but I'm not sure about how it works
+// JACS: get 'Cannot use __try in functions that require unwinding
+// in Unicode mode, so disabling.
+#if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)
+ #undef wxUSE_ON_FATAL_EXCEPTION
+ #define wxUSE_ON_FATAL_EXCEPTION 0
+#endif // VC++
-#if wxUSE_RICHEDIT
- static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL;
+#if wxUSE_ON_FATAL_EXCEPTION
+ static bool gs_handleExceptions = FALSE;
#endif
// ===========================================================================
// wxApp
// ---------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+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()
-#endif
+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()
{
+ // the first thing to do is to check if we're trying to run an Unicode
+ // program under Win9x - if so, abort right now as it has no chance to
+ // work
+#if wxUSE_UNICODE
+ if ( wxGetOsVersion() != wxWINDOWS_NT )
+ {
+ // note that we can use MessageBoxW() as it's implemented even under
+ // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
+ // used by wxLocale are not
+ ::MessageBox
+ (
+ NULL,
+ _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."),
+ _T("wxWindows Fatal Error"),
+ MB_ICONERROR | MB_OK
+ );
+
+ return FALSE;
+ }
+#endif // wxUSE_UNICODE
+
// Some people may wish to use this, but
// probably it shouldn't be here by default.
#ifdef __WXDEBUG__
wxClassInfo::InitializeClasses();
-#if wxUSE_RESOURCES
- wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion);
-#endif
-
- // 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
- wxPendingEvents = new wxList();
- wxPendingEventsLocker = new wxCriticalSection();
+ wxPendingEventsLocker = new wxCriticalSection;
#endif
wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
wxBitmap::InitStandardHandlers();
-#if defined(__WIN95__)
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)
InitCommonControls();
-
-#if wxUSE_RICHEDIT
- gs_hRichEdit = LoadLibrary(wxT("RICHED32.DLL"));
-
- if (gs_hRichEdit == (HINSTANCE) NULL)
- {
- wxLogError(_("Could not initialise Rich Edit DLL"));
- }
-#endif // wxUSE_RICHEDIT
-
#endif // __WIN95__
-#if wxUSE_OLE
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
#ifdef __WIN16__
// for OLE, enlarge message queue to be as large as possible
while (!SetMessageQueue(iMsg) && (iMsg -= 8))
;
#endif // Win16
+
// we need to initialize OLE library
if ( FAILED(::OleInitialize(NULL)) )
wxLogError(_("Cannot initialize OLE"));
+
#endif // wxUSE_OLE
#if wxUSE_CTL3D
wxLogError(wxT("Cannot register CTL3D"));
Ctl3dAutoSubclass(wxhInstance);
-#endif
-
- g_globalCursor = new wxCursor;
+#endif // wxUSE_CTL3D
+ // VZ: these icons are not in wx.rc anyhow (but should they?)!
+#if 0
wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME"));
wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME"));
wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME"));
wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME"));
wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME"));
wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME"));
+#endif // 0
RegisterWindowClasses();
+#ifndef __WXMICROWIN__
// Create the brush for disabling bitmap buttons
LOGBRUSH lb;
::DeleteObject( (HGDIOBJ)lb.lbHatch );
}
//else: wxWindows resources are probably not linked in
+#endif
#if wxUSE_PENWINDOWS
wxRegisterPenWin();
// This is to foil optimizations in Visual C++ that throw out dummy.obj.
// PLEASE DO NOT ALTER THIS.
-#if defined(__VISUALC__) && !defined(WXMAKINGDLL)
+#if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL)
extern char wxDummyChar;
if (wxDummyChar) wxDummyChar++;
#endif
+#ifndef __WXMICROWIN__
wxSetKeyboardHook(TRUE);
+#endif
wxModule::RegisterModules();
if (!wxModule::InitializeModules())
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(frame)");
+ wxLogLastError(wxT("RegisterClass(frame)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw frame)");
+ wxLogLastError(wxT("RegisterClass(no redraw frame)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(MDI parent)");
+ wxLogLastError(wxT("RegisterClass(MDI parent)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw MDI parent frame)");
+ wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(MDI child)");
+ wxLogLastError(wxT("RegisterClass(MDI child)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw MDI child)");
+ wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(panel)");
+ wxLogLastError(wxT("RegisterClass(panel)"));
+
+ return FALSE;
+ }
+
+ // Register the no redraw panel window class.
+ wndclass.lpszClassName = wxPanelClassNameNR;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw panel)"));
return FALSE;
}
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(canvas)");
+ wxLogLastError(wxT("RegisterClass(canvas)"));
+
+ return FALSE;
+ }
+
+ wndclass.lpszClassName = wxCanvasClassNameNR;
+ wndclass.style = styleNoRedraw;
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw canvas)"));
return FALSE;
}
// wxDefaultResourceTable->ClearTable();
#endif
- // 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.
//// WINDOWS-SPECIFIC CLEANUP
+#ifndef __WXMICROWIN__
wxSetKeyboardHook(FALSE);
-
-#ifdef __WIN95__
-
-#if wxUSE_RICHEDIT
- if (gs_hRichEdit != (HINSTANCE) NULL)
- FreeLibrary(gs_hRichEdit);
-#endif
-
#endif
#if wxUSE_PENWINDOWS
if (wxWinHandleList)
delete wxWinHandleList;
- // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // 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;
+
+#if wxUSE_THREADS
delete wxPendingEventsLocker;
- // If we don't do the following, we get an apparent memory leak.
+ // If we don't do the following, we get an apparent memory leak
+#if wxUSE_VALIDATORS
((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
-#endif
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
wxClassInfo::CleanUpClasses();
// wxDebugContext, too.
if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
{
- wxLogDebug(wxT("There were memory leaks."));
+ wxLogMessage(wxT("There were memory leaks."));
wxDebugContext::Dump();
wxDebugContext::PrintStatistics();
}
#endif // wxUSE_LOG
}
+//----------------------------------------------------------------------
+// Entry point helpers, used by wxPython
+//----------------------------------------------------------------------
+
+int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
+{
+ return wxApp::Initialize();
+}
+
+int WXDLLEXPORT wxEntryInitGui()
+{
+ return wxTheApp->OnInitGui();
+}
+
+void WXDLLEXPORT wxEntryCleanup()
+{
+ wxApp::CleanUp();
+}
+
+
#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
// temporarily disable this warning which would be generated in release builds
#pragma warning(disable: 4715) // not all control paths return a value
#endif // Visual C++
-//// Main wxWindows entry point
+//----------------------------------------------------------------------
+// Main wxWindows entry point
+//----------------------------------------------------------------------
int wxEntry(WXHINSTANCE hInstance,
WXHINSTANCE WXUNUSED(hPrevInstance),
char *lpCmdLine,
// do check for memory leaks on program exit
// (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
// deallocated memory which may be used to simulate low-memory condition)
+#ifndef __WXMICROWIN__
wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+#endif
- // take everything into a try-except block in release build
- // FIXME other compilers must support Win32 SEH (structured exception
- // handling) too, just find the appropriate keyword in their docs!
- // Please note that it's _not_ the same as C++ exceptions!
-#if !defined(__WXDEBUG__) && defined(__VISUALC__)
- #define CATCH_PROGRAM_EXCEPTIONS
+#ifdef __MWERKS__
+#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();
+#endif
+#endif
+ // take everything into a try-except block to be able to call
+ // OnFatalException() if necessary
+#if wxUSE_ON_FATAL_EXCEPTION
__try {
-#else
- #undef CATCH_PROGRAM_EXCEPTIONS
#endif
-
wxhInstance = (HINSTANCE) hInstance;
- if (!wxApp::Initialize())
+ if (!wxEntryStart(0,0))
return 0;
// create the application object or ensure that one already exists
wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
wxT("No initializer - use IMPLEMENT_APP macro.") );
- wxTheApp = (*wxApp::GetInitializerFunction()) ();
+ wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();
}
wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
wxTheApp->m_nCmdShow = nCmdShow;
- // GUI-specific initialisation. In fact on Windows we don't have any,
- // but this call is provided for compatibility across platforms.
- wxTheApp->OnInitGui();
+ // We really don't want timestamps by default, because it means
+ // we can't simply double-click on the error message and get to that
+ // line in the source. So VC++ at least, let's have a sensible default.
+#ifdef __VISUALC__
+ wxLog::SetTimestamp(NULL);
+#endif
int retValue = 0;
- if ( wxTheApp->OnInit() )
+ // it is common to create a modal dialog in OnInit() (to ask/notify the
+ // user about something) but it wouldn't work if we don't change the
+ // "exit on delete last frame" flag here as when this dialog is
+ // deleted, the app would terminate (it was the last top level window
+ // as the main frame wasn't created yet!), so disable this behaviour
+ // temproarily
+ bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
+ wxTheApp->SetExitOnFrameDelete(FALSE);
+
+ // init the app
+ retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
+
+ // restore the old flag value
+ wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+
+ if ( retValue == 0 )
{
if ( enterLoop )
{
+ // run the main loop
retValue = wxTheApp->OnRun();
}
else
- // We want to initialize, but not run or exit immediately.
+ {
+ // we want to initialize, but not run or exit immediately.
return 1;
+ }
}
//else: app initialization failed, so we skipped OnRun()
wxTheApp->OnExit();
- wxApp::CleanUp();
+ wxEntryCleanup();
return retValue;
-#ifdef CATCH_PROGRAM_EXCEPTIONS
+#if wxUSE_ON_FATAL_EXCEPTION
}
- __except ( EXCEPTION_EXECUTE_HANDLER ) {
- /*
- if ( wxTheApp )
+ __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
+ : EXCEPTION_CONTINUE_SEARCH ) {
+ if ( wxTheApp )
+ {
+ // give the user a chance to do something special about this
wxTheApp->OnFatalException();
- */
-
- // using wxLog would be unsafe here
- ::MessageBox(NULL,
- _("Unrecoverable program error detected: "
- " the application will terminate."),
- _("Fatal Error"),
- MB_APPLMODAL | MB_ICONSTOP | MB_OK);
+ }
::ExitProcess(3); // the same exit code as abort()
// NOTREACHED
}
-#endif // CATCH_PROGRAM_EXCEPTIONS
+#endif // wxUSE_ON_FATAL_EXCEPTION
}
// restore warning state
#else /* _WINDLL */
-//// Entry point for DLLs
+//----------------------------------------------------------------------
+// Entry point for wxWindows + the App in a DLL
+//----------------------------------------------------------------------
int wxEntry(WXHINSTANCE hInstance)
{
wxhInstance = (HINSTANCE) hInstance;
- wxApp::Initialize();
+ wxEntryStart(0, 0);
// The app may have declared a global application object, but we recommend
// the IMPLEMENT_APP macro is used instead, which sets an initializer function
wxTheApp->argc = 0;
wxTheApp->argv = NULL;
- wxTheApp->OnInitGui();
+ wxEntryInitGui();
wxTheApp->OnInit();
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_wantDebugOutput = TRUE;
-
argc = 0;
argv = NULL;
m_printMode = wxPRINT_WINDOWS;
- m_exitOnFrameDelete = TRUE;
m_auto3D = TRUE;
}
return TRUE;
else
return FALSE;
-#endif
-#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
+#else // Assume initialized if DLL (no way of telling)
return TRUE;
#endif
}
else if ( rc == -1 )
{
// should never happen, but let's test for it nevertheless
- wxLogLastError("GetMessage");
+ wxLogLastError(wxT("GetMessage"));
}
else
{
#endif // wxUSE_THREADS
// Process the message
- if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
- {
- ::TranslateMessage(&s_currentMsg);
- ::DispatchMessage(&s_currentMsg);
- }
+ DoMessage((WXMSG *)&s_currentMsg);
}
return TRUE;
}
+void wxApp::DoMessage(WXMSG *pMsg)
+{
+ if ( !ProcessMessage(pMsg) )
+ {
+ ::TranslateMessage((MSG *)pMsg);
+ ::DispatchMessage((MSG *)pMsg);
+ }
+}
+
/*
* Keep trying to process messages until WM_QUIT
* received.
wxMutexGuiLeaveOrEnter();
#endif // wxUSE_THREADS
- while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle() )
- {
- }
-
+ while ( !Pending() && ProcessIdle() )
+ ;
+ // a message came or no more idle processing to do
DoMessage();
}
return event.MoreRequested();
}
-#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
-
-
void wxApp::ExitMainLoop()
{
+ // VZ: why not ::PostQuitMessage()?
m_keepGoing = FALSE;
}
bool wxApp::Pending()
{
- return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0);
+ return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
}
void wxApp::Dispatch()
bool wxApp::ProcessMessage(WXMSG *wxmsg)
{
MSG *msg = (MSG *)wxmsg;
- HWND hWnd = msg->hwnd;
- wxWindow *wndThis = wxFindWinFromHandle((WXHWND)hWnd), *wnd;
+ HWND hwnd = msg->hwnd;
+ wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+ // this may happen if the event occured in a standard modeless dialog (the
+ // only example of which I know of is the find/replace dialog) - then call
+ // IsDialogMessage() to make TAB navigation in it work
+ if ( !wndThis )
+ {
+ // we need to find the dialog containing this control as
+ // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
+ // them) if we call it for the control itself
+ while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+ {
+ hwnd = ::GetParent(hwnd);
+ }
+
+ return ::IsDialogMessage(hwnd, msg) != 0;
+ }
- // 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 && !wndThis )
+#if wxUSE_TOOLTIPS
+ // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
+ // popup the tooltip bubbles
+ if ( (msg->message == WM_MOUSEMOVE) )
{
- hWnd = ::GetParent(hWnd);
- wndThis = wxFindWinFromHandle((WXHWND)hWnd);
+ wxToolTip *tt = wndThis->GetToolTip();
+ if ( tt )
+ {
+ tt->RelayEvent(wxmsg);
+ }
+ }
+#endif // wxUSE_TOOLTIPS
+
+ // allow the window to prevent certain messages from being
+ // translated/processed (this is currently used by wxTextCtrl to always
+ // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+ if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
+ {
+ return FALSE;
}
- // Try translations first; find the youngest window with
- // a translation table.
+ // try translations first: the accelerators override everything
+ wxWindow *wnd;
+
for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
{
- if ( wnd->MSWTranslateMessage(wxmsg) )
+ if ( wnd->MSWTranslateMessage(wxmsg))
return TRUE;
+
+ // stop at first top level window, i.e. don't try to process the key
+ // strokes originating in a dialog using the accelerators of the parent
+ // frame - this doesn't make much sense
+ if ( wnd->IsTopLevel() )
+ break;
}
- // Anyone for a non-translation message? Try youngest descendants first.
- for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+ // now try the other hooks (kbd navigation is handled here): we start from
+ // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+ // called above
+ for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
{
if ( wnd->MSWProcessMessage(wxmsg) )
return TRUE;
}
+ // no special preprocessing for this message, dispatch it normally
return FALSE;
}
s_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. Changed Feb/2000 before 2.1.14
+ ProcessPendingEvents();
+
// 'Garbage' collection of windows deleted with Close().
DeletePendingObjects();
#if wxUSE_LOG
// flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ wxLog::FlushActive();
#endif // wxUSE_LOG
+#if wxUSE_DC_CACHEING
+ // automated DC cache management: clear the cached DCs and bitmap
+ // if it's likely that the app has finished with them, that is, we
+ // get an idle event and we're not dragging anything.
+ if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+ wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+
// Send OnIdle events to all windows
if ( SendIdleEvents() )
{
event.RequestMore(TRUE);
}
- // If they are pending events, we must process them.
-#if wxUSE_THREADS
- ProcessPendingEvents();
-#endif
s_inOnIdle = FALSE;
}
}
}
-int wxApp::GetComCtl32Version() const
+/* static */
+int wxApp::GetComCtl32Version()
{
- // have we loaded COMCTL32 yet?
- HMODULE theModule = ::GetModuleHandle(wxT("COMCTL32"));
- int version = 0;
+#ifdef __WXMICROWIN__
+ return 0;
+#else
+ // cache the result
+ static int s_verComCtl32 = -1;
+
+ wxCRIT_SECT_DECLARE(csComCtl32);
+ wxCRIT_SECT_LOCKER(lock, csComCtl32);
- // if so, then we can check for the version
- if (theModule)
+ if ( s_verComCtl32 == -1 )
{
- // InitCommonControlsEx is unique to 4.7 and later
- FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
+ // initally assume no comctl32.dll at all
+ s_verComCtl32 = 0;
- if (! theProc)
- { // not found, must be 4.00
- version = 400;
- }
- else
+ // do we have it?
+ HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));
+
+ // if so, then we can check for the version
+ if ( hModuleComCtl32 )
{
- // The following symbol are unique to 4.71
- // DllInstall
- // FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
- // FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
- // FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
- // FlatSB_ShowScrollBar
- // _DrawIndirectImageList _DuplicateImageList
- // InitializeFlatSB
- // UninitializeFlatSB
- // we could check for any of these - I chose DllInstall
- FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
- if (! theProc)
- {
- // not found, must be 4.70
- version = 470;
- }
- else
- { // found, must be 4.71
- version = 471;
- }
+ // try to use DllGetVersion() if available in _headers_
+ #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
+ DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
+ ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
+ if ( pfnDllGetVersion )
+ {
+ DLLVERSIONINFO dvi;
+ dvi.cbSize = sizeof(dvi);
+
+ HRESULT hr = (*pfnDllGetVersion)(&dvi);
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(_T("DllGetVersion"), hr);
+ }
+ else
+ {
+ // this is incompatible with _WIN32_IE values, but
+ // compatible with the other values returned by
+ // GetComCtl32Version()
+ s_verComCtl32 = 100*dvi.dwMajorVersion +
+ dvi.dwMinorVersion;
+ }
+ }
+ #endif
+ // DllGetVersion() unavailable either during compile or
+ // run-time, try to guess the version otherwise
+ if ( !s_verComCtl32 )
+ {
+ // InitCommonControlsEx is unique to 4.70 and later
+ FARPROC theProc = ::GetProcAddress
+ (
+ hModuleComCtl32,
+ "InitCommonControlsEx"
+ );
+
+ if ( !theProc )
+ {
+ // not found, must be 4.00
+ s_verComCtl32 = 400;
+ }
+ else
+ {
+ // many symbols appeared in comctl32 4.71, could use
+ // any of them except may be DllInstall
+ theProc = ::GetProcAddress
+ (
+ hModuleComCtl32,
+ "InitializeFlatSB"
+ );
+ if ( !theProc )
+ {
+ // not found, must be 4.70
+ s_verComCtl32 = 470;
+ }
+ else
+ {
+ // found, must be 4.71
+ s_verComCtl32 = 471;
+ }
+ }
+ }
}
}
- return version;
+
+ return s_verComCtl32;
+#endif
}
void wxExit()
wxLogError(_("Fatal error: exiting"));
wxApp::CleanUp();
+ exit(0);
}
// Yield to incoming messages
+
+static bool gs_inYield = FALSE;
+
bool wxYield()
{
- MSG msg;
- // We want to go back to the main message loop
- // if we see a WM_QUIT. (?)
-#ifdef __WXWINE__
- while (PeekMessage(&msg, (HWND)NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
-#else
- while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
+ // disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ wxLog::Suspend();
+
+#ifdef __WXDEBUG__
+ if (gs_inYield)
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
#endif
+
+ gs_inYield = TRUE;
+
+ // we don't want to process WM_QUIT from here - it should be processed in
+ // the main event loop in order to stop it
+ MSG msg;
+ while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
+ msg.message != WM_QUIT )
{
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
if ( !wxTheApp->DoMessage() )
break;
}
+
// If they are pending events, we must process them.
-#if wxUSE_THREADS
- wxTheApp->ProcessPendingEvents();
-#endif
+ if (wxTheApp)
+ wxTheApp->ProcessPendingEvents();
+
+ // let the logs be flashed again
+ wxLog::Resume();
+
+ 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();
+}
+
+bool wxHandleFatalExceptions(bool doit)
+{
+#if wxUSE_ON_FATAL_EXCEPTION
+ // assume this can only be called from the main thread
+ gs_handleExceptions = doit;
+
+ return TRUE;
+#else
+ wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
+
+ (void)doit;
+ return FALSE;
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
+
+void wxWakeUpIdle()
+{
+ // Send the top window a dummy message so idle handler processing will
+ // start up again. Doing it this way ensures that the idle handler
+ // wakes up in the right thread (see also wxWakeUpMainThread() which does
+ // the same for the main app thread only)
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if ( topWindow )
+ {
+ if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+ {
+ // should never happen
+ wxLogLastError(wxT("PostMessage(WM_NULL)"));
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+
wxIcon
wxApp::GetStdIcon(int which) const
{
}
}
-
-HINSTANCE wxGetInstance()
-{
- return wxhInstance;
-}
-
-void wxSetInstance(HINSTANCE hInst)
-{
- wxhInstance = hInst;
-}
-
// For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
// if in a separate file. So include it here to ensure it's linked.
-#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__))
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
#include "main.cpp"
#endif
projects / wxWidgets.git / blobdiff