X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a5e0e655cb829a0112e1eecdf9ce4bede79cae80..5b2f31eb30be576374064413b9d0f63a1bf8c110:/src/msw/app.cpp diff --git a/src/msw/app.cpp b/src/msw/app.cpp index e7a3e6210b..e77f69dd65 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -9,720 +9,1032 @@ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// headers +// --------------------------------------------------------------------------- + #ifdef __GNUG__ - #pragma implementation "app.h" + #pragma implementation "app.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #if defined(__BORLANDC__) - #pragma hdrstop + #pragma hdrstop #endif #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/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" + #include "wx/log.h" #endif -#include "wx/msw/private.h" -#include "wx/postscrp.h" -#include "wx/log.h" +#include "wx/cmdline.h" +#include "wx/filename.h" #include "wx/module.h" -#if USE_WX_RESOURCES - #include "wx/resource.h" +#include "wx/msw/private.h" + +#if wxUSE_THREADS + #include "wx/thread.h" + + // define the array of MSG strutures + WX_DECLARE_OBJARRAY(MSG, wxMsgArray); + + #include "wx/arrimpl.cpp" + + 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..., 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 + +#if wxUSE_OLE + #include #endif #include #include -#if defined(__WIN95__) && !defined(__GNUWIN32__) - #include +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__)) + #include #endif -// use debug CRT functions for memory leak detections in VC++ -#if defined(__WXDEBUG__) && defined(_MSC_VER) - // VC++ uses this macro as debug/release mode indicator - #ifndef _DEBUG - #define _DEBUG - #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 - #include +#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__) + #include #endif -extern char *wxBuffer; -extern char *wxOsVersion; -extern wxList *wxWinHandleList; -extern wxList wxPendingDelete; +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- + +extern wxChar *wxBuffer; +extern wxList WXDLLEXPORT wxPendingDelete; +#ifndef __WXMICROWIN__ extern void wxSetKeyboardHook(bool doIt); -extern wxCursor *g_globalCursor; +#endif -HINSTANCE wxhInstance = 0; -static MSG s_currentMsg; +MSG s_currentMsg; wxApp *wxTheApp = NULL; -// @@ why not const? and not static? -char wxFrameClassName[] = "wxFrameClass"; -char wxMDIFrameClassName[] = "wxMDIFrameClass"; -char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass"; -char wxPanelClassName[] = "wxPanelClass"; -char wxCanvasClassName[] = "wxCanvasClass"; +// NB: all "NoRedraw" classes must have the same names as the "normal" classes +// with NR suffix - wxWindow::MSWCreate() supposes this +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; +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; + +LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); + +// 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 + +// =========================================================================== +// implementation +// =========================================================================== + +// --------------------------------------------------------------------------- +// wxApp +// --------------------------------------------------------------------------- -HICON wxSTD_FRAME_ICON = NULL; -HICON wxSTD_MDICHILDFRAME_ICON = NULL; -HICON wxSTD_MDIPARENTFRAME_ICON = NULL; +IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -HICON wxDEFAULT_FRAME_ICON = NULL; -HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL; -HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL; +BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) + EVT_IDLE(wxApp::OnIdle) + EVT_END_SESSION(wxApp::OnEndSession) + EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) +END_EVENT_TABLE() -HBRUSH wxDisableButtonBrush = 0; +//// Initialize +bool wxApp::Initialize() +{ + // 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 -LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); + wxBuffer = new wxChar[1500]; // FIXME -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) + wxClassInfo::InitializeClasses(); - BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) - END_EVENT_TABLE() +#if wxUSE_THREADS + wxPendingEventsLocker = new wxCriticalSection; #endif -long wxApp::sm_lastMessageTime = 0; + wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); + wxTheColourDatabase->Initialize(); + + wxInitializeStockLists(); + wxInitializeStockObjects(); -#ifdef __WIN95__ - static HINSTANCE gs_hRichEdit = NULL; +#if wxUSE_WX_RESOURCES + wxInitializeResourceSystem(); #endif -//// Initialize + wxBitmap::InitStandardHandlers(); -bool wxApp::Initialize() +#if defined(__WIN95__) && !defined(__WXMICROWIN__) + InitCommonControls(); +#endif // __WIN95__ + +#if wxUSE_OLE || wxUSE_DRAG_AND_DROP + +#ifdef __WIN16__ + // for OLE, enlarge message queue to be as large as possible + int iMsg = 96; + 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 + if (!Ctl3dRegister(wxhInstance)) + wxLogError(wxT("Cannot register CTL3D")); + + Ctl3dAutoSubclass(wxhInstance); +#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 ) + { + wxDisableButtonBrush = ::CreateBrushIndirect( & lb ); + ::DeleteObject( (HGDIOBJ)lb.lbHatch ); + } + //else: wxWindows resources are probably not linked in +#endif + +#if wxUSE_PENWINDOWS + wxRegisterPenWin(); +#endif + + 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(__WIN16__) && !defined(WXMAKINGDLL) + extern char wxDummyChar; + if (wxDummyChar) wxDummyChar++; +#endif + +#ifndef __WXMICROWIN__ + wxSetKeyboardHook(TRUE); +#endif + + wxModule::RegisterModules(); + if (!wxModule::InitializeModules()) + return FALSE; + return TRUE; +} + +// --------------------------------------------------------------------------- +// RegisterWindowClasses +// --------------------------------------------------------------------------- + +// 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() { - wxBuffer = new char[1500]; + WNDCLASS 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 + static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; + static const long styleNoRedraw = CS_DBLCLKS; + + // 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.style = styleNormal; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(frame)")); - #if defined(__WXDEBUG__) && defined(_MSC_VER) - // 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) - _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF); - #endif // debug build under MS VC++ + return FALSE; + } - #if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT - #if defined(_WINDLL) - streambuf* sBuf = NULL; - #else // EXE - streambuf* sBuf = new wxDebugStreamBuf; - #endif // DLL + // "no redraw" frame + wndclass.lpszClassName = wxFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; - ostream* oStr = new ostream(sBuf) ; - wxDebugContext::SetStream(oStr, sBuf); - #endif // USE_MEMORY_TRACING + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw frame)")); - wxClassInfo::InitializeClasses(); + return FALSE; + } - #if USE_RESOURCES - wxGetResource("wxWindows", "OsVersion", &wxOsVersion); - #endif + // Register the MDI frame window class. + wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves + wndclass.lpszClassName = wxMDIFrameClassName; + wndclass.style = styleNormal; - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(MDI parent)")); - wxInitializeStockLists(); - wxInitializeStockObjects(); + return FALSE; + } - #if USE_WX_RESOURCES - wxInitializeResourceSystem(); - #endif + // "no redraw" MDI frame + wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; - // For PostScript printing - #if USE_POSTSCRIPT - wxInitializePrintSetupData(); - wxThePrintPaperDatabase = new wxPrintPaperDatabase; - wxThePrintPaperDatabase->CreateDatabase(); - #endif + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); - wxBitmap::InitStandardHandlers(); + return FALSE; + } - #if defined(__WIN95__) - InitCommonControls(); - gs_hRichEdit = LoadLibrary("RICHED32.DLL"); + // Register the MDI child frame window class. + wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); + wndclass.lpszClassName = wxMDIChildFrameClassName; + wndclass.style = styleNormal; - if (gs_hRichEdit == NULL) + if ( !RegisterClass(&wndclass) ) { - wxMessageBox("Could not initialise Rich Edit DLL"); + wxLogLastError(wxT("RegisterClass(MDI child)")); + + return FALSE; } - #endif - #if defined(WX_DRAG_DROP) - // we need to initialize OLE library - if ( FAILED(::OleInitialize(NULL)) ) - wxFatalError(_("Cannot initialize OLE")); - #endif + // "no redraw" MDI child frame + wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; - #if CTL3D - if (!Ctl3dRegister(wxhInstance)) - wxFatalError("Cannot register CTL3D"); + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); - Ctl3dAutoSubclass(wxhInstance); - #endif + return FALSE; + } - g_globalCursor = new wxCursor; + // Register the panel window class. + wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH ); + wndclass.lpszClassName = wxPanelClassName; + wndclass.style = styleNormal; - wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME"); - wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME"); - wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME"); + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(panel)")); - wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME"); - wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME"); - wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME"); + return FALSE; + } - RegisterWindowClasses(); + // Register the no redraw panel window class. + wndclass.lpszClassName = wxPanelClassNameNR; + wndclass.style = styleNoRedraw; - // Create the brush for disabling bitmap buttons + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw panel)")); - LOGBRUSH lb ; - lb.lbStyle = BS_PATTERN; - lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ; - wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ; - ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ; + return FALSE; + } - #if USE_PENWINDOWS - wxRegisterPenWin(); - #endif + // Register the canvas and textsubwindow class name + wndclass.hbrBackground = (HBRUSH)NULL; + wndclass.lpszClassName = wxCanvasClassName; - wxWinHandleList = new wxList(wxKEY_INTEGER); + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(canvas)")); - // This is to foil optimizations in Visual C++ that - // throw out dummy.obj. - #if (_MSC_VER >= 800) && !defined(WXMAKINGDLL) - extern char wxDummyChar; - if (wxDummyChar) wxDummyChar++; - #endif + return FALSE; + } - wxSetKeyboardHook(TRUE); + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw canvas)")); - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) - return FALSE; - return TRUE; + return FALSE; + } + + return TRUE; } -//// RegisterWindowClasses +// --------------------------------------------------------------------------- +// UnregisterWindowClasses +// --------------------------------------------------------------------------- -bool wxApp::RegisterWindowClasses() +bool wxApp::UnregisterWindowClasses() { -/////////////////////////////////////////////////////////////////////// -// Register the frame window class. - WNDCLASS wndclass; // Structure used to register Windows class. - - wndclass.style = CS_HREDRAW | CS_VREDRAW; - wndclass.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass.cbClsExtra = 0; - wndclass.cbWndExtra = sizeof( DWORD ); // was 4 - wndclass.hInstance = wxhInstance; - wndclass.hIcon = NULL; // wxSTD_FRAME_ICON; - wndclass.hCursor = LoadCursor( NULL, IDC_ARROW ); - wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ; -// wndclass.hbrBackground = GetStockObject( WHITE_BRUSH ); - wndclass.lpszMenuName = NULL; -#ifdef _MULTIPLE_INSTANCES - sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance ); -#endif - wndclass.lpszClassName = wxFrameClassName; - - if (!RegisterClass( &wndclass )) - { - // wxFatalError("Can't register Frame Window class"); - } - -/////////////////////////////////////////////////////////////////////// -// Register the MDI frame window class. - WNDCLASS wndclass1; // Structure used to register Windows class. - - wndclass1.style = CS_HREDRAW | CS_VREDRAW; - wndclass1.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass1.cbClsExtra = 0; - wndclass1.cbWndExtra = sizeof( DWORD ); // was 4 - wndclass1.hInstance = wxhInstance; - wndclass1.hIcon = NULL; // wxSTD_MDIPARENTFRAME_ICON; - wndclass1.hCursor = LoadCursor( NULL, IDC_ARROW ); -// wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ; - wndclass1.hbrBackground = NULL; - wndclass1.lpszMenuName = NULL; - - wndclass1.lpszClassName = wxMDIFrameClassName; - if (!RegisterClass( &wndclass1 )) - { -// wxFatalError("Can't register MDI Frame window class"); -// return FALSE; - } - -/////////////////////////////////////////////////////////////////////// -// Register the MDI child frame window class. - WNDCLASS wndclass4; // Structure used to register Windows class. - - wndclass4.style = CS_HREDRAW | CS_VREDRAW; - wndclass4.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass4.cbClsExtra = 0; - wndclass4.cbWndExtra = sizeof( DWORD ); // was 4 - wndclass4.hInstance = wxhInstance; - wndclass4.hIcon = NULL; // wxSTD_MDICHILDFRAME_ICON; - wndclass4.hCursor = LoadCursor( NULL, IDC_ARROW ); - // TODO: perhaps this should be NULL so that Windows doesn't - // paint the background itself (would OnEraseBackground duplicate - // this?) - wndclass4.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ; -// wndclass4.hbrBackground = NULL; - wndclass4.lpszMenuName = NULL; - wndclass4.lpszClassName = wxMDIChildFrameClassName; - - if (!RegisterClass( &wndclass4 )) - { -// wxFatalError("Can't register MDI child frame window class"); -// return FALSE; - } - -/////////////////////////////////////////////////////////////////////// -// Register the panel window class. - WNDCLASS wndclass2; // Structure used to register Windows class. - memset(&wndclass2, 0, sizeof(WNDCLASS)); // start with NULL defaults - // Use CS_OWNDC to avoid messing about restoring the context - // for every graphic operation. - wndclass2.style = CS_HREDRAW | CS_VREDRAW; - wndclass2.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass2.cbClsExtra = 0; - wndclass2.cbWndExtra = sizeof( DWORD ); // was 4 - wndclass2.hInstance = wxhInstance; - wndclass2.hIcon = NULL; - wndclass2.hCursor = NULL; -// wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ; - wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH ); - wndclass2.lpszMenuName = NULL; - wndclass2.lpszClassName = wxPanelClassName; - if (!RegisterClass( &wndclass2 )) - { -// wxFatalError("Can't register Panel Window class"); -// return FALSE; - } - -/////////////////////////////////////////////////////////////////////// -// Register the canvas and textsubwindow class name - WNDCLASS wndclass3; // Structure used to register Windows class. - memset(&wndclass3, 0, sizeof(WNDCLASS)); // start with NULL defaults - // Use CS_OWNDC to avoid messing about restoring the context - // for every graphic operation. -// wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ; - // wxWin 2.0 - wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ; - wndclass3.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass3.cbClsExtra = 0; - wndclass3.cbWndExtra = sizeof( DWORD ); // was 4 - wndclass3.hInstance = wxhInstance; - wndclass3.hIcon = NULL; - wndclass3.hCursor = NULL; -// wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ; - wndclass3.hbrBackground = NULL; - wndclass3.lpszMenuName = NULL; - wndclass3.lpszClassName = wxCanvasClassName; - if (!RegisterClass( &wndclass3)) - { -// wxFatalError("Can't register Canvas class"); -// return FALSE; - } - - return TRUE; -} - -//// Convert Windows to argc, argv style - -// FIXME this code should be rewritten (use wxArrayString instead...) -void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) -{ - // Split command line into tokens, as in usual main(argc, argv) - char **command = new char*[50]; // VZ: sure? why not 25 or 73 and a half?? - - int count = 0; - char *buf = new char[strlen(lpCmdLine) + 1]; - - /* Model independent strcpy */ - int i; - for (i = 0; (buf[i] = lpCmdLine[i]) != 0; i++) - { - /* loop */; - } - - // Get application name - char name[260]; // 260 is MAX_PATH value from windef.h - ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name)); - - // Is it only 16-bit Borland that already copies the program name - // to the first argv index? -#if !defined(__GNUWIN32__) -// #if ! (defined(__BORLANDC__) && !defined(__WIN32__)) - command[count++] = copystring(name); -// #endif -#endif - - strcpy(name, wxFileNameFromPath(name)); - wxStripExtension(name); - wxTheApp->SetAppName(name); - - /* Break up string */ - // Treat strings enclosed in double-quotes as single arguments - char* str = buf; - while (*str) - { - if ( count == WXSIZEOF(command) ) - { - wxFAIL_MSG("too many command line args."); - break; - } - - while ( *str && isspace(*str) ) // skip whitespace - str++; - - if (*str == '"') - { - str++; - command[count++] = str; - while (*str && *str != '"') - str++; - } - else if (*str) - { - command[count++] = str; - while (*str && !isspace(*str)) - str++; - } - if (*str) - *str++ = '\0'; - } - - wxTheApp->argv = new char*[count + 1]; - wxTheApp->argv[count] = NULL; /* argv[] is NULL terminated list! */ - wxTheApp->argc = count; - - for (i = 0; i < count; i++) - { - wxTheApp->argv[i] = copystring(command[i]); - - delete [] command[i]; - } + bool retval = TRUE; + +#ifndef __WXMICROWIN__ + // frame window class. + if ( !UnregisterClass(wxFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(frame)")); + + retval = FALSE; + } + + // "no redraw" frame + if ( !UnregisterClass(wxFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw frame)")); + + return FALSE; + } + + // MDI frame window class. + if ( !UnregisterClass(wxMDIFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(MDI parent)")); + + retval = FALSE; + } + + // "no redraw" MDI frame + if ( !UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)")); + + retval = FALSE; + } + + // MDI child frame window class. + if ( !UnregisterClass(wxMDIChildFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(MDI child)")); - delete [] command; - delete [] buf; + retval = FALSE; + } + + // "no redraw" MDI child frame + if ( !UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI child)")); + + retval = FALSE; + } + + // panel window class. + if ( !UnregisterClass(wxPanelClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(panel)")); + + retval = FALSE; + } + + // no redraw panel window class. + if ( !UnregisterClass(wxPanelClassNameNR, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw panel)")); + + retval = FALSE; + } + + // canvas and textsubwindow class name + if ( !UnregisterClass(wxCanvasClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(canvas)")); + + retval = FALSE; + } + + if ( !UnregisterClass(wxCanvasClassNameNR, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw canvas)")); + + retval = FALSE; + } +#endif + // __WXMICROWIN__ + return retval; +} + +// --------------------------------------------------------------------------- +// Convert Windows to argc, argv style +// --------------------------------------------------------------------------- + +void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine) +{ + // break the command line in words + wxArrayString args = + wxCmdLineParser::ConvertStringToArgs(wxConvertMB2WX(lpCmdLine)); + + // +1 here for the program name + argc = args.GetCount() + 1; + + // and +1 here for the terminating NULL + argv = new wxChar *[argc + 1]; + + argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h + ::GetModuleFileName(wxhInstance, argv[0], 260); + + // also set the app name from argv[0] + wxString name; + wxFileName::SplitPath(argv[0], NULL, &name, NULL); + + SetAppName(name); + + // copy all the other arguments to wxApp::argv[] + for ( int i = 1; i < argc; i++ ) + { + argv[i] = copystring(args[i - 1]); + } + + // argv[] must be NULL-terminated + argv[argc] = NULL; } //// Cleans up any wxWindows internal structures left lying around void wxApp::CleanUp() { - //// COMMON CLEANUP - wxModule::CleanUpModules(); - -#if USE_WX_RESOURCES - wxCleanUpResourceSystem(); + //// COMMON CLEANUP -// wxDefaultResourceTable->ClearTable(); -#endif +#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(); - // 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; + // this will flush the old messages if any + delete wxLog::SetActiveTarget(new wxLogStderr); +#endif // wxUSE_LOG - wxDeleteStockObjects() ; + // One last chance for pending objects to be cleaned up + wxTheApp->DeletePendingObjects(); - // Destroy all GDI lists, etc. - wxDeleteStockLists(); + wxModule::CleanUpModules(); - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; +#if wxUSE_WX_RESOURCES + wxCleanUpResourceSystem(); -#if USE_POSTSCRIPT - wxInitializePrintSetupData(FALSE); - delete wxThePrintPaperDatabase; - wxThePrintPaperDatabase = NULL; + // wxDefaultResourceTable->ClearTable(); #endif - wxBitmap::CleanUpHandlers(); + wxDeleteStockObjects(); - delete[] wxBuffer; - wxBuffer = NULL; + // Destroy all GDI lists, etc. + wxDeleteStockLists(); - //// WINDOWS-SPECIFIC CLEANUP + delete wxTheColourDatabase; + wxTheColourDatabase = NULL; - wxSetKeyboardHook(FALSE); + wxBitmap::CleanUpHandlers(); -#ifdef __WIN95__ - if (gs_hRichEdit != NULL) - FreeLibrary(gs_hRichEdit); -#endif + delete[] wxBuffer; + wxBuffer = NULL; + + //// WINDOWS-SPECIFIC CLEANUP -#if USE_PENWINDOWS - wxCleanUpPenWin(); +#ifndef __WXMICROWIN__ + wxSetKeyboardHook(FALSE); #endif - if (wxSTD_FRAME_ICON) - DestroyIcon(wxSTD_FRAME_ICON); - if (wxSTD_MDICHILDFRAME_ICON) - DestroyIcon(wxSTD_MDICHILDFRAME_ICON); - if (wxSTD_MDIPARENTFRAME_ICON) - DestroyIcon(wxSTD_MDIPARENTFRAME_ICON); +#if wxUSE_PENWINDOWS + wxCleanUpPenWin(); +#endif - if (wxDEFAULT_FRAME_ICON) - DestroyIcon(wxDEFAULT_FRAME_ICON); - if (wxDEFAULT_MDICHILDFRAME_ICON) - DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON); - if (wxDEFAULT_MDIPARENTFRAME_ICON) - DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON); + if (wxSTD_FRAME_ICON) + DestroyIcon(wxSTD_FRAME_ICON); + if (wxSTD_MDICHILDFRAME_ICON) + DestroyIcon(wxSTD_MDICHILDFRAME_ICON); + if (wxSTD_MDIPARENTFRAME_ICON) + DestroyIcon(wxSTD_MDIPARENTFRAME_ICON); + + if (wxDEFAULT_FRAME_ICON) + DestroyIcon(wxDEFAULT_FRAME_ICON); + if (wxDEFAULT_MDICHILDFRAME_ICON) + DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON); + if (wxDEFAULT_MDIPARENTFRAME_ICON) + DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON); + + if ( wxDisableButtonBrush ) + ::DeleteObject( wxDisableButtonBrush ); + +#if wxUSE_OLE + ::OleUninitialize(); +#endif - if ( wxDisableButtonBrush ) - ::DeleteObject( wxDisableButtonBrush ) ; +#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 defined(WX_DRAG_DROP) - ::OleUninitialize(); +#if wxUSE_CTL3D + Ctl3dUnregister(wxhInstance); #endif -#if CTL3D - Ctl3dUnregister(wxhInstance); + delete wxWinHandleHash; + + // 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; + +#if wxUSE_THREADS + delete wxPendingEventsLocker; + // If we don't do the following, we get an apparent memory leak +#if wxUSE_VALIDATORS + ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker(); +#endif // wxUSE_VALIDATORS +#endif // wxUSE_THREADS + + wxClassInfo::CleanUpClasses(); + + 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(TRUE) > 0) + { + wxLogMessage(wxT("There were memory leaks.")); + wxDebugContext::Dump(); + wxDebugContext::PrintStatistics(); + } + // wxDebugContext::SetStream(NULL, NULL); #endif - if (wxWinHandleList) - delete wxWinHandleList ; +#if wxUSE_LOG + // do it as the very last thing because everything else can log messages + delete wxLog::SetActiveTarget(NULL); +#endif // wxUSE_LOG +} + +//---------------------------------------------------------------------- +// Entry point helpers, used by wxPython +//---------------------------------------------------------------------- - wxClassInfo::CleanUpClasses(); +int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) ) +{ + return wxApp::Initialize(); +} - // do it as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - delete wxLog::SetActiveTarget(NULL); +int WXDLLEXPORT wxEntryInitGui() +{ + return wxTheApp->OnInitGui(); } +void WXDLLEXPORT wxEntryCleanup() +{ + wxApp::CleanUp(); +} + + #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) -//// Main wxWindows entry point +// temporarily disable this warning which would be generated in release builds +// because of __try +#ifdef __VISUALC__ + #pragma warning(disable: 4715) // not all control paths return a value +#endif // Visual C++ + +//---------------------------------------------------------------------- +// Main wxWindows entry point +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lpCmdLine, int nCmdShow, bool enterLoop) { -#ifndef __WXDEBUG__ // take everything into a try-except block in release build - __try { + // 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 - wxhInstance = (HINSTANCE) hInstance; +#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 - if (!wxApp::Initialize()) - return 0; + // take everything into a try-except block to be able to call + // OnFatalException() if necessary +#if wxUSE_ON_FATAL_EXCEPTION + __try { +#endif + wxhInstance = (HINSTANCE) hInstance; - // create the application object or ensure that one already exists - if (!wxTheApp) - { - // The app may have declared a global application object, but we recommend - // the IMPLEMENT_APP macro is used instead, which sets an initializer - // function for delayed, dynamic app object construction. - wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, - "No initializer - use IMPLEMENT_APP macro." ); - - wxTheApp = (*wxApp::GetInitializerFunction()) (); - } - - wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" ); - - // save the WinMain() parameters - 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() ; - - int retValue = 0; - - if ( wxTheApp->OnInit() ) - { - if ( enterLoop ) - { - retValue = wxTheApp->OnRun(); - } - } - //else: app initialization failed, so we skipped OnRun() - - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if ( topWindow ) - { - // Forcibly delete the window. - if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) || - topWindow->IsKindOf(CLASSINFO(wxDialog)) ) - { - topWindow->Close(TRUE); - wxTheApp->DeletePendingObjects(); - } - else - { - delete topWindow; - wxTheApp->SetTopWindow(NULL); - } - } - - wxTheApp->OnExit(); - wxApp::CleanUp(); - - delete wxTheApp; - wxTheApp = NULL; - -#if (WXDEBUG && USE_MEMORY_TRACING) || USE_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); -#endif - - return retValue; -#ifndef __WXDEBUG__ // catch exceptions only in release build - } - __except ( EXCEPTION_EXECUTE_HANDLER ) { - /* - if ( wxTheApp ) - wxTheApp->OnFatalException(); - */ - - ::ExitProcess(3); // the same exit code as abort() - } -#endif //debug + if (!wxEntryStart(0,0)) + return 0; + + // create the application object or ensure that one already exists + if (!wxTheApp) + { + // The app may have declared a global application object, but we recommend + // the IMPLEMENT_APP macro is used instead, which sets an initializer + // function for delayed, dynamic app object construction. + wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, + wxT("No initializer - use IMPLEMENT_APP macro.") ); + + wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) (); + } + + wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") ); + + // save the WinMain() parameters + if (lpCmdLine) // MicroWindows passes NULL + wxTheApp->ConvertToStandardCommandArgs(lpCmdLine); + wxTheApp->m_nCmdShow = nCmdShow; + + // 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; + + // 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. + return 1; + } + } + //else: app initialization failed, so we skipped OnRun() + + wxWindow *topWindow = wxTheApp->GetTopWindow(); + if ( topWindow ) + { + // Forcibly delete the window. + if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) || + topWindow->IsKindOf(CLASSINFO(wxDialog)) ) + { + topWindow->Close(TRUE); + wxTheApp->DeletePendingObjects(); + } + else + { + delete topWindow; + wxTheApp->SetTopWindow(NULL); + } + } + + wxTheApp->OnExit(); + + wxEntryCleanup(); + + return retValue; + +#if wxUSE_ON_FATAL_EXCEPTION + } + __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER + : EXCEPTION_CONTINUE_SEARCH ) { + if ( wxTheApp ) + { + // give the user a chance to do something special about this + wxTheApp->OnFatalException(); + } + + ::ExitProcess(3); // the same exit code as abort() + + // NOTREACHED + } +#endif // wxUSE_ON_FATAL_EXCEPTION } +// restore warning state +#ifdef __VISUALC__ + #pragma warning(default: 4715) // not all control paths return a value +#endif // Visual C++ + #else /* _WINDLL */ -//// Entry point for DLLs +//---------------------------------------------------------------------- +// Entry point for wxWindows + the App in a DLL +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance) { - wxhInstance = (HINSTANCE) hInstance; - wxApp::Initialize(); - - // The app may have declared a global application object, but we recommend - // the IMPLEMENT_APP macro is used instead, which sets an initializer function - // for delayed, dynamic app object construction. + wxhInstance = (HINSTANCE) hInstance; + wxEntryStart(0, 0); - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) + // The app may have declared a global application object, but we recommend + // the IMPLEMENT_APP macro is used instead, which sets an initializer function + // for delayed, dynamic app object construction. + if (!wxTheApp) { - MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK); - return 0; - } + wxCHECK_MSG( wxApp::GetInitializerFunction(), 0, + "No initializer - use IMPLEMENT_APP macro." ); - wxTheApp = (* wxApp::GetInitializerFunction()) (); - } + wxTheApp = (* wxApp::GetInitializerFunction()) (); + } - if (!wxTheApp) { - MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK); - return 0; - } + wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" ); - wxTheApp->argc = 0; - wxTheApp->argv = NULL; + wxTheApp->argc = 0; + wxTheApp->argv = NULL; - wxTheApp->OnInitGui(); + wxEntryInitGui(); - wxTheApp->OnInit(); + wxTheApp->OnInit(); - if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) { - wxTheApp->GetTopWindow()->Show(TRUE); - } + wxWindow *topWindow = wxTheApp->GetTopWindow(); + if ( topWindow && topWindow->GetHWND()) + { + topWindow->Show(TRUE); + } - return 1; + return 1; } #endif // _WINDLL //// 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; -#endif - m_exitOnFrameDelete = TRUE; - m_auto3D = TRUE; + argc = 0; + argv = NULL; + m_printMode = wxPRINT_WINDOWS; + m_auto3D = TRUE; } wxApp::~wxApp() { - // Delete command-line args - int i; - for (i = 0; i < argc; i++) - { - delete[] argv[i]; - } - delete argv; + // Delete command-line args + int i; + for (i = 0; i < argc; i++) + { + delete[] argv[i]; + } + delete[] argv; } bool wxApp::Initialized() { #ifndef _WINDLL - if (GetTopWindow()) + if (GetTopWindow()) + return TRUE; + else + return FALSE; +#else // Assume initialized if DLL (no way of telling) return TRUE; - else - return FALSE; -#endif -#ifdef _WINDLL // Assume initialized if DLL (no way of telling) - return TRUE; #endif } /* * Get and process a message, returning FALSE if WM_QUIT - * received. + * received (and also set the flag telling the app to exit the main loop) * */ bool wxApp::DoMessage() { - if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0)) - { - return FALSE; - } + BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0); + if ( rc == 0 ) + { + // got WM_QUIT + m_keepGoing = FALSE; + + return FALSE; + } + else if ( rc == -1 ) + { + // should never happen, but let's test for it nevertheless + wxLogLastError(wxT("GetMessage")); + } + else + { +#if wxUSE_THREADS + wxASSERT_MSG( wxThread::IsMain(), + wxT("only the main thread can process Windows messages") ); + + static bool s_hadGuiLock = TRUE; + static wxMsgArray s_aSavedMessages; - // Process the message - if (!ProcessMessage((WXMSG *)&s_currentMsg)) - { - ::TranslateMessage(&s_currentMsg); - wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */ - ::DispatchMessage(&s_currentMsg); - } - return TRUE; + // 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() ) + { + s_hadGuiLock = FALSE; + + // leave out WM_COMMAND messages: too dangerous, sometimes + // the message will be processed twice + if ( !wxIsWaitingForThread() || + s_currentMsg.message != WM_COMMAND ) + { + s_aSavedMessages.Add(s_currentMsg); + } + + 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 ( !s_hadGuiLock ) + { + s_hadGuiLock = TRUE; + + size_t count = s_aSavedMessages.Count(); + for ( size_t n = 0; n < count; n++ ) + { + MSG& msg = s_aSavedMessages[n]; + + if ( !ProcessMessage((WXMSG *)&msg) ) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + } + + s_aSavedMessages.Empty(); + } + } +#endif // wxUSE_THREADS + + // Process the message + DoMessage((WXMSG *)&s_currentMsg); + } + + return TRUE; +} + +void wxApp::DoMessage(WXMSG *pMsg) +{ + if ( !ProcessMessage(pMsg) ) + { + ::TranslateMessage((MSG *)pMsg); + ::DispatchMessage((MSG *)pMsg); + } } /* @@ -741,16 +1053,22 @@ bool wxApp::DoMessage() int wxApp::MainLoop() { - m_keepGoing = TRUE; - while (m_keepGoing) - { - while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle()) {} - if (!DoMessage()) - m_keepGoing = FALSE; - } + m_keepGoing = TRUE; + + while ( m_keepGoing ) + { +#if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); +#endif // wxUSE_THREADS + + while ( !Pending() && ProcessIdle() ) + ; + + // a message came or no more idle processing to do + DoMessage(); + } - return s_currentMsg.wParam; + return s_currentMsg.wParam; } // Returns TRUE if more time is needed. @@ -765,18 +1083,18 @@ bool wxApp::ProcessIdle() void wxApp::ExitMainLoop() { - m_keepGoing = FALSE; + // 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() { - if (!DoMessage()) - m_keepGoing = FALSE; + DoMessage(); } /* @@ -784,209 +1102,410 @@ void wxApp::Dispatch() * the message. Some may have accelerator tables, or have * MDI complications. */ -bool wxApp::ProcessMessage(WXMSG *Msg) + +bool wxApp::ProcessMessage(WXMSG *wxmsg) { - MSG *msg = (MSG *)Msg; + MSG *msg = (MSG *)wxmsg; + 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 ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD ) + { + hwnd = ::GetParent(hwnd); + } - HWND hWnd; + return hwnd && ::IsDialogMessage(hwnd, msg) != 0; + } - // Try translations first; find the youngest window with - // a translation table. - for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd)) - { - wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd); - if (wnd) +#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) ) { - if (wnd->MSWTranslateMessage(Msg)) - return TRUE; + wxToolTip *tt = wndThis->GetToolTip(); + if ( tt ) + { + tt->RelayEvent(wxmsg); + } } - } +#endif // wxUSE_TOOLTIPS - // Anyone for a non-translation message? Try youngest descendants first. - for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd)) - { - wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd); - if (wnd) + // 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) ) { - if (wnd->MSWProcessMessage(Msg)) - return TRUE; + return FALSE; } - } - return FALSE; -} - -void wxApp::OnIdle(wxIdleEvent& event) -{ - static bool inOnIdle = FALSE; - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; + // try translations first: the accelerators override everything + wxWindow *wnd; - inOnIdle = TRUE; - - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); + for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) + { + 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; + } - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + // 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; + } - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); -// bool needMore = FALSE; + // no special preprocessing for this message, dispatch it normally + return FALSE; +} - if (needMore) - event.RequestMore(TRUE); +void wxApp::OnIdle(wxIdleEvent& event) +{ + static bool s_inOnIdle = FALSE; + + // Avoid recursion (via ProcessEvent default case) + if ( s_inOnIdle ) + return; + + 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::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() ) + { + // SendIdleEvents() returns TRUE if at least one window requested more + // idle events + event.RequestMore(TRUE); + } - inOnIdle = FALSE; + s_inOnIdle = FALSE; } // 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)) + + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow* win = node->GetData(); + if (SendIdleEvents(win)) needMore = TRUE; + node = node->GetNext(); + } - node = node->Next(); - } return needMore; } // Send idle event to window and all subwindows bool wxApp::SendIdleEvents(wxWindow* win) { - bool needMore = FALSE; + bool needMore = FALSE; - wxIdleEvent event; - event.SetEventObject(win); - win->ProcessEvent(event); + wxIdleEvent event; + event.SetEventObject(win); + win->GetEventHandler()->ProcessEvent(event); - if (event.MoreRequested()) - needMore = TRUE; + if (event.MoreRequested()) + needMore = TRUE; - wxNode* node = win->GetChildren()->First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; + wxNode* node = win->GetChildren().First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + if (SendIdleEvents(win)) + needMore = TRUE; - node = node->Next(); - } - return needMore ; + node = node->Next(); + } + return needMore; } void wxApp::DeletePendingObjects() { - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); + wxNode *node = wxPendingDelete.First(); + while (node) + { + wxObject *obj = (wxObject *)node->Data(); - delete obj; + delete obj; - if (wxPendingDelete.Member(obj)) - delete node; + 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(); - } + // Deleting one object may have deleted other pending + // objects, so start from beginning of list again. + node = wxPendingDelete.First(); + } } -wxLog* wxApp::CreateLogTarget() +void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) { - 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& event) { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; + if (GetTopWindow()) + { + if (!GetTopWindow()->Close(!event.CanVeto())) + event.Veto(TRUE); + } } -int wxApp::GetComCtl32Version() const +/* static */ +int wxApp::GetComCtl32Version() { - // have we loaded COMCTL32 yet? - HMODULE theModule = ::GetModuleHandle("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")); + + // 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() { - wxApp::CleanUp(); - FatalAppExit(0, "Fatal error: exiting"); + wxLogError(_("Fatal error: exiting")); + + wxApp::CleanUp(); + exit(0); } // Yield to incoming messages -bool wxYield() + +bool wxApp::Yield(bool onlyIfNeeded) { - MSG msg; - // We want to go back to the main message loop - // if we see a WM_QUIT. (?) - while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT) - { - if (!wxTheApp->DoMessage()) - break; - } + // MT-FIXME + static bool s_inYield = FALSE; + + // disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + wxLog::Suspend(); + + if ( s_inYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } + + return FALSE; + } + + s_inYield = TRUE; - return 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 there are pending events, we must process them. + ProcessPendingEvents(); + + // let the logs be flashed again + wxLog::Resume(); + + s_inYield = FALSE; + + return TRUE; } -HINSTANCE wxGetInstance() +bool wxHandleFatalExceptions(bool doit) { - return wxhInstance; +#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 use 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 +{ + switch(which) + { + 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"); + } } // 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(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__) - #include "main.cpp" +#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL)) +#include "main.cpp" #endif