// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
#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"
+ #include "wx/log.h"
#endif
-#include "wx/log.h"
+#include "wx/cmdline.h"
+#include "wx/filename.h"
#include "wx/module.h"
#include "wx/msw/private.h"
WX_DEFINE_OBJARRAY(wxMsgArray);
#endif // wxUSE_THREADS
-#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
-#endif
+#if wxUSE_TOOLTIPS
+ #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
-// OLE is used for drag-and-drop, clipboard, OLE Automation...
-#ifndef wxUSE_NORLANDER_HEADERS
-#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__)
+// 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(__SYMANTEC__) || 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(__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( 2, 0 )) && \
+ !defined(__CYGWIN__)
+ #include <shlwapi.h>
+#endif
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
extern wxChar *wxBuffer;
-extern wxChar *wxOsVersion;
-extern wxList *wxWinHandleList;
extern wxList WXDLLEXPORT wxPendingDelete;
+#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 *wxCanvasClassName = wxT("wxWindowClass");
+const wxChar *wxCanvasClassNameNR = wxT("wxWindowClassNR");
+const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
HICON wxSTD_FRAME_ICON = (HICON) NULL;
HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
-
-#if defined(__WIN95__) && !defined(__TWIN32__)
- #define wxUSE_RICHEDIT 1
+#ifdef __DIGITALMARS__
+extern "C" LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
#else
- #define wxUSE_RICHEDIT 0
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
#endif
-#if wxUSE_RICHEDIT
- static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL;
+// 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_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()
{
- // Some people may wish to use this, but
- // probably it shouldn't be here by default.
-#ifdef __WXDEBUG__
- // wxRedirectIOToConsole();
-#endif
+ // the first thing to do is to check if we're trying to run an Unicode
+ // program under Win9x w/o MSLU emulation layer - if so, abort right now
+ // as it has no chance to work
+#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
+ 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/XP.\nProgram aborted."),
+ _T("wxWindows Fatal Error"),
+ MB_ICONERROR | MB_OK
+ );
+
+ return FALSE;
+ }
+#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
wxBuffer = new wxChar[1500]; // FIXME
wxClassInfo::InitializeClasses();
-#if wxUSE_RESOURCES
- wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion);
-#endif
-
#if wxUSE_THREADS
wxPendingEventsLocker = new wxCriticalSection;
#endif
wxInitializeStockLists();
wxInitializeStockObjects();
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
-
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
+
+#if wxUSE_OLE
// we need to initialize OLE library
if ( FAILED(::OleInitialize(NULL)) )
wxLogError(_("Cannot initialize OLE"));
+#endif
+
#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;
lb.lbStyle = BS_PATTERN;
+ lb.lbColor = 0;
lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
if ( lb.lbHatch )
{
::DeleteObject( (HGDIOBJ)lb.lbHatch );
}
//else: wxWindows resources are probably not linked in
+#endif
#if wxUSE_PENWINDOWS
wxRegisterPenWin();
#endif
- wxWinHandleList = new wxList(wxKEY_INTEGER);
+ wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
// 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())
bool wxApp::RegisterWindowClasses()
{
WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
// for each class we register one with CS_(V|H)REDRAW style and one
// without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
// the fields which are common to all classes
wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for?
wndclass.hInstance = wxhInstance;
- wndclass.hIcon = (HICON) NULL;
wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
- wndclass.lpszMenuName = NULL;
// Register the frame window class.
wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
- wndclass.lpszClassName = wxFrameClassName;
+ wndclass.lpszClassName = wxCanvasClassName;
wndclass.style = styleNormal;
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(frame)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(frame)"));
}
// "no redraw" frame
- wndclass.lpszClassName = wxFrameClassNameNoRedraw;
+ wndclass.lpszClassName = wxCanvasClassNameNR;
wndclass.style = styleNoRedraw;
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw frame)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(no redraw frame)"));
}
// Register the MDI frame window class.
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(MDI parent)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(MDI parent)"));
}
// "no redraw" MDI frame
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw MDI parent frame)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
}
// Register the MDI child frame window class.
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(MDI child)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(MDI child)"));
}
// "no redraw" MDI child frame
if ( !RegisterClass(&wndclass) )
{
- wxLogLastError("RegisterClass(no redraw MDI child)");
-
- return FALSE;
+ wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
}
- // Register the panel window class.
- wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
- wndclass.lpszClassName = wxPanelClassName;
- wndclass.style = styleNormal;
+ return TRUE;
+}
- if ( !RegisterClass(&wndclass) )
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
+
+bool wxApp::UnregisterWindowClasses()
+{
+ bool retval = TRUE;
+
+#ifndef __WXMICROWIN__
+ // MDI frame window class.
+ if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) )
{
- wxLogLastError("RegisterClass(panel)");
+ wxLogLastError(wxT("UnregisterClass(MDI parent)"));
- return FALSE;
+ retval = FALSE;
}
- // Register the canvas and textsubwindow class name
- wndclass.hbrBackground = (HBRUSH)NULL;
- wndclass.lpszClassName = wxCanvasClassName;
+ // "no redraw" MDI frame
+ if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));
- if ( !RegisterClass(&wndclass) )
+ retval = FALSE;
+ }
+
+ // MDI child frame window class.
+ if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )
{
- wxLogLastError("RegisterClass(canvas)");
+ wxLogLastError(wxT("UnregisterClass(MDI child)"));
- return FALSE;
+ retval = FALSE;
}
- return TRUE;
-}
+ // "no redraw" MDI child frame
+ if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));
-// ---------------------------------------------------------------------------
-// Convert Windows to argc, argv style
-// ---------------------------------------------------------------------------
+ retval = FALSE;
+ }
-void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
-{
- wxStringList args;
+ // canvas class name
+ if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(canvas)"));
- wxString cmdLine(lpCmdLine);
- int count = 0;
+ retval = FALSE;
+ }
- // Get application name
- wxChar name[260]; // 260 is MAX_PATH value from windef.h
- ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
+ if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw canvas)"));
- args.Add(name);
- count++;
+ retval = FALSE;
+ }
+#endif // __WXMICROWIN__
- wxStrcpy(name, wxFileNameFromPath(name));
- wxStripExtension(name);
- wxTheApp->SetAppName(name);
+ return retval;
+}
- // Break up string
- // Treat strings enclosed in double-quotes as single arguments
- int i = 0;
- int len = cmdLine.Length();
- while (i < len)
- {
- // Skip whitespace
- while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
- i ++;
+// ---------------------------------------------------------------------------
+// Convert Windows to argc, argv style
+// ---------------------------------------------------------------------------
- if (i < len)
- {
- if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
- {
- i ++;
- int first = i;
- while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
- i ++;
+void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine)
+{
+ // break the command line in words
+ wxArrayString args =
+ wxCmdLineParser::ConvertStringToArgs(wxConvertMB2WX(lpCmdLine));
- wxString arg(cmdLine.Mid(first, (i - first)));
+ // +1 here for the program name
+ argc = args.GetCount() + 1;
- args.Add(arg);
- count ++;
+ // and +1 here for the terminating NULL
+ argv = new wxChar *[argc + 1];
- if (i < len)
- i ++; // Skip past 2nd quote
- }
- else // Unquoted argument
- {
- int first = i;
- while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
- i ++;
+ argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h
+ ::GetModuleFileName(wxhInstance, argv[0], 260);
- wxString arg(cmdLine.Mid(first, (i - first)));
+ // also set the app name from argv[0]
+ wxString name;
+ wxFileName::SplitPath(argv[0], NULL, &name, NULL);
- args.Add(arg);
- count ++;
- }
- }
- }
+ // but don't override the name already set by the user code, if any
+ if ( GetAppName().empty() )
+ SetAppName(name);
- wxTheApp->argv = new wxChar*[count + 1];
- for (i = 0; i < count; i++)
+ // copy all the other arguments to wxApp::argv[]
+ for ( int i = 1; i < argc; i++ )
{
- wxString arg(args[i]);
- wxTheApp->argv[i] = copystring((const wxChar*)arg);
+ argv[i] = copystring(args[i - 1]);
}
- wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
- wxTheApp->argc = count;
+
+ // argv[] must be NULL-terminated
+ argv[argc] = NULL;
}
//// Cleans up any wxWindows internal structures left lying around
wxModule::CleanUpModules();
-#if wxUSE_WX_RESOURCES
- wxCleanUpResourceSystem();
-
- // 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
::OleUninitialize();
#endif
+#ifdef WXMAKINGDLL
+ // for an EXE the classes are unregistered when it terminates but DLL may
+ // be loaded several times (load/unload/load) into the same process in
+ // which case the registration will fail after the first time if we don't
+ // unregister the classes now
+ UnregisterWindowClasses();
+#endif // WXMAKINGDLL
+
#if wxUSE_CTL3D
Ctl3dUnregister(wxhInstance);
#endif
- if (wxWinHandleList)
- delete wxWinHandleList;
+ delete wxWinHandleHash;
+ wxWinHandleHash = NULL; // Set to null in case anything later tries to ref it.
- // 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.
delete wxPendingEvents;
+ wxPendingEvents = NULL; // Set to null because wxAppBase::wxEvtHandler is destroyed later.
+
#if wxUSE_THREADS
delete wxPendingEventsLocker;
- // If we don't do the following, we get an apparent memory leak.
+ wxPendingEventsLocker = NULL; // Set to null because wxAppBase::wxEvtHandler is destroyed later.
+ // 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!") );
// save the WinMain() parameters
- wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
+ if (lpCmdLine) // MicroWindows passes NULL
+ 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__
+#if wxUSE_LOG
+ wxLog::SetTimestamp(NULL);
+#endif // wxUSE_LOG
+#endif // __VISUALC__
- int retValue = 0;
+ // init the app
+ int retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
- if ( wxTheApp->OnInit() )
+ if ( retValue == 0 )
{
if ( enterLoop )
{
- retValue = wxTheApp->OnRun();
+ // run the main loop
+ 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();
+ retValue = 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
{
{
s_hadGuiLock = TRUE;
- size_t count = s_aSavedMessages.Count();
+ size_t count = s_aSavedMessages.GetCount();
for ( size_t n = 0; n < count; n++ )
{
MSG& msg = s_aSavedMessages[n];
- if ( !ProcessMessage((WXMSG *)&msg) )
- {
- ::TranslateMessage(&msg);
- ::DispatchMessage(&msg);
- }
+ DoMessage((WXMSG *)&msg);
}
s_aSavedMessages.Empty();
#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();
}
-void wxApp::ProcessPendingEvents()
-{
-#if wxUSE_THREADS
- // ensure that we're the only thread to modify the pending events list
- wxCriticalSectionLocker locker(*wxPendingEventsLocker);
-#endif
-
- if ( !wxPendingEvents )
- return;
-
- wxNode *node = wxPendingEvents->First();
- while (node)
- {
- wxEvtHandler *handler = (wxEvtHandler *)node->Data();
-
- handler->ProcessPendingEvents();
-
- delete node;
- node = wxPendingEvents->First();
- }
-}
-
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ // this will set m_keepGoing to FALSE a bit later
+ ::PostQuitMessage(0);
}
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);
- // 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 )
+ // 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 )
{
- hWnd = ::GetParent(hWnd);
- wndThis = wxFindWinFromHandle((WXHWND)hWnd);
+ // 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 ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+ {
+ hwnd = ::GetParent(hwnd);
+ }
+
+ return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
}
- // Try translations first; find the youngest window with
- // a translation table.
+#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) )
+ {
+ 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: 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;
}
+// this is a temporary hack and will be replaced by using wxEventLoop in the
+// future
+//
+// it is needed to allow other event loops (currently only one: the modal
+// dialog one) to reset the OnIdle() semaphore because otherwise OnIdle()
+// wouldn't do anything while a modal dialog shown from OnIdle() call is shown.
+bool wxIsInOnIdleFlag = FALSE;
+
void wxApp::OnIdle(wxIdleEvent& event)
{
- static bool s_inOnIdle = FALSE;
-
// Avoid recursion (via ProcessEvent default case)
- if ( s_inOnIdle )
+ if ( wxIsInOnIdleFlag )
return;
- s_inOnIdle = TRUE;
+ wxIsInOnIdleFlag = 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: pending events are
- // either events to the threads other than main or events posted with
- // wxPostEvent() functions
- ProcessPendingEvents();
-
- s_inOnIdle = FALSE;
+ wxIsInOnIdleFlag = FALSE;
}
// Send idle event to all top-level windows
// Send idle event to window and all subwindows
bool wxApp::SendIdleEvents(wxWindow* win)
{
- bool needMore = FALSE;
-
wxIdleEvent event;
event.SetEventObject(win);
win->GetEventHandler()->ProcessEvent(event);
- if (event.MoreRequested())
- needMore = TRUE;
+ bool needMore = event.MoreRequested();
- wxNode* node = win->GetChildren().First();
- while (node)
+ wxWindowList::Node *node = win->GetChildren().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;
}
void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
+ wxNode *node = wxPendingDelete.GetFirst();
while (node)
{
- wxObject *obj = (wxObject *)node->Data();
+ wxObject *obj = node->GetData();
delete obj;
// Deleting one object may have deleted other pending
// objects, so start from beginning of list again.
- node = wxPendingDelete.First();
+ node = wxPendingDelete.GetFirst();
}
}
}
}
-int wxApp::GetComCtl32Version() const
+typedef struct _WXADllVersionInfo
+{
+ DWORD cbSize;
+ DWORD dwMajorVersion; // Major version
+ DWORD dwMinorVersion; // Minor version
+ DWORD dwBuildNumber; // Build number
+ DWORD dwPlatformID; // DLLVER_PLATFORM_*
+} WXADLLVERSIONINFO;
+
+typedef HRESULT (CALLBACK* WXADLLGETVERSIONPROC)(WXADLLVERSIONINFO *);
+
+/* 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;
- // if so, then we can check for the version
- if (theModule)
+ wxCRIT_SECT_DECLARE(csComCtl32);
+ wxCRIT_SECT_LOCKER(lock, csComCtl32);
+
+ 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"));
+ BOOL bFreeComCtl32 = FALSE ;
+ 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)
+ hModuleComCtl32 = ::LoadLibrary(wxT("COMCTL32.DLL")) ;
+ if(hModuleComCtl32)
{
- // not found, must be 4.70
- version = 470;
- }
- else
- { // found, must be 4.71
- version = 471;
+ bFreeComCtl32 = TRUE ;
}
}
+
+ // if so, then we can check for the version
+ if ( hModuleComCtl32 )
+ {
+ // try to use DllGetVersion() if available in _headers_
+ WXADLLGETVERSIONPROC pfnDllGetVersion = (WXADLLGETVERSIONPROC)
+ ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
+ if ( pfnDllGetVersion )
+ {
+ WXADLLVERSIONINFO 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;
+ }
+ }
+ // 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;
+ }
+ }
+ }
+ }
+
+ if(bFreeComCtl32)
+ {
+ ::FreeLibrary(hModuleComCtl32) ;
+ }
}
- return version;
+
+ return s_verComCtl32;
+#endif
}
void wxExit()
{
- wxLogError(_("Fatal error: exiting"));
-
- wxApp::CleanUp();
+ if ( wxTheApp )
+ {
+ wxTheApp->ExitMainLoop();
+ }
+ else
+ {
+ // what else can we do?
+ exit(-1);
+ }
}
// Yield to incoming messages
-bool wxYield()
+
+bool wxApp::Yield(bool onlyIfNeeded)
{
+ // MT-FIXME
+ static bool s_inYield = FALSE;
+
+#if wxUSE_LOG
+ // disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ wxLog::Suspend();
+#endif // wxUSE_LOG
+
+ if ( s_inYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return FALSE;
+ }
+
+ s_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.
- wxTheApp->ProcessPendingEvents();
+ // if there are pending events, we must process them.
+ ProcessPendingEvents();
+
+#if wxUSE_LOG
+ // let the logs be flashed again
+ wxLog::Resume();
+#endif // wxUSE_LOG
+
+ s_inYield = FALSE;
return TRUE;
}
-wxIcon
-wxApp::GetStdIcon(int which) const
+bool wxHandleFatalExceptions(bool doit)
{
- switch(which)
- {
- case wxICON_INFORMATION:
- return wxIcon("wxICON_INFO");
-
- case wxICON_QUESTION:
- return wxIcon("wxICON_QUESTION");
-
- case wxICON_EXCLAMATION:
- return wxIcon("wxICON_WARNING");
+#if wxUSE_ON_FATAL_EXCEPTION
+ // assume this can only be called from the main thread
+ gs_handleExceptions = doit;
- default:
- wxFAIL_MSG(wxT("requested non existent standard icon"));
- // still fall through
+ return TRUE;
+#else
+ wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function"));
- case wxICON_HAND:
- return wxIcon("wxICON_ERROR");
- }
+ (void)doit;
+ return FALSE;
+#endif
}
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
-HINSTANCE wxGetInstance()
+void wxWakeUpIdle()
{
- return wxhInstance;
+ // 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)"));
+ }
+ }
}
-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(__WINE__) && !defined(WXMAKINGDLL))
#include "main.cpp"
#endif
projects / wxWidgets.git / blobdiff