X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e0d9d43318af6b7865f1d07cd1b64f6eafd0c54..d8c65cf48881468f97798ac521fb93f9b8b5a293:/src/msw/app.cpp?ds=inline diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 4366ad4350..bb05dd8873 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -9,38 +9,51 @@ // 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/intl.h" - #include "wx/dynarray.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/log.h" +#include "wx/cmdline.h" +#include "wx/filename.h" #include "wx/module.h" +#include "wx/msw/private.h" + #if wxUSE_THREADS #include "wx/thread.h" @@ -53,43 +66,84 @@ #endif // wxUSE_THREADS #if wxUSE_WX_RESOURCES - #include "wx/resource.h" + #include "wx/resource.h" #endif -// To UG: there's no point in putting this #if here -// if you don't do the same for the Ole calls further down. -// Also, OLE is used not just for drag and drop (it's used by automatn.cpp). -// #if wxUSE_DRAG_AND_DROP -#if !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS + +// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some +// compilers don't support it (missing headers, libs, ...) +#if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__) + #undef wxUSE_OLE + + #define wxUSE_OLE 0 +#endif // broken compilers + +#if wxUSE_OLE #include #endif #include #include -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) - #include +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__)) + #include #endif +#ifndef __WXMICROWIN__ #include "wx/msw/msvcrt.h" +#endif -extern char *wxBuffer; -extern char *wxOsVersion; -extern wxList *wxWinHandleList; +// ---------------------------------------------------------------------------- +// 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 +#endif + +// --------------------------------------------------------------------------- +// 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 *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; @@ -101,46 +155,68 @@ HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; HBRUSH wxDisableButtonBrush = (HBRUSH) 0; -LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); +LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) +// 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++ - BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) - EVT_END_SESSION(wxApp::OnEndSession) - EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) - END_EVENT_TABLE() +#if wxUSE_ON_FATAL_EXCEPTION + static bool gs_handleExceptions = FALSE; #endif -long wxApp::sm_lastMessageTime = 0; +// =========================================================================== +// implementation +// =========================================================================== -#if defined(__WIN95__) && !defined(__TWIN32__) -#define wxUSE_RICHEDIT 1 -#else -#define wxUSE_RICHEDIT 0 -#endif +// --------------------------------------------------------------------------- +// wxApp +// --------------------------------------------------------------------------- -#if wxUSE_RICHEDIT - static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL; -#endif +IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -//// Initialize +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 + ); - wxBuffer = new char[1500]; + return FALSE; + } +#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU + + wxBuffer = new wxChar[1500]; // FIXME wxClassInfo::InitializeClasses(); -#if wxUSE_RESOURCES - wxGetResource("wxWindows", "OsVersion", &wxOsVersion); +#if wxUSE_THREADS + wxPendingEventsLocker = new wxCriticalSection; #endif wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); @@ -155,84 +231,78 @@ bool wxApp::Initialize() wxBitmap::InitStandardHandlers(); -#if defined(__WIN95__) +#if defined(__WIN95__) && !defined(__WXMICROWIN__) InitCommonControls(); +#endif // __WIN95__ -#if wxUSE_RICHEDIT - gs_hRichEdit = LoadLibrary("RICHED32.DLL"); - - if (gs_hRichEdit == (HINSTANCE) NULL) - { - wxMessageBox("Could not initialise Rich Edit DLL"); - } -#endif - -#endif +#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 - // for OLE, enlarge message queue to be as large as possible - while (!SetMessageQueue(iMsg) && (iMsg -= 8)); - -/* - DWORD dwOleVer; - dwOleVer = CoBuildVersion(); - - // check the OLE library version - if (rmm != HIWORD(dwOleVer)) - { - wxMessageBox("Incorrect version of OLE libraries."); - return FALSE; - } -*/ - -#if !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) +#if wxUSE_OLE // we need to initialize OLE library if ( FAILED(::OleInitialize(NULL)) ) - wxFatalError(_("Cannot initialize OLE")); + wxLogError(_("Cannot initialize OLE")); #endif -#if CTL3D +#endif // wxUSE_OLE + +#if wxUSE_CTL3D if (!Ctl3dRegister(wxhInstance)) - wxFatalError("Cannot register CTL3D"); + wxLogError(wxT("Cannot register CTL3D")); Ctl3dAutoSubclass(wxhInstance); -#endif - - g_globalCursor = new wxCursor; +#endif // wxUSE_CTL3D - wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME"); - wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME"); - wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME"); + // 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, "wxDEFAULT_FRAME"); - wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME"); - wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_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 ; + LOGBRUSH lb; lb.lbStyle = BS_PATTERN; - lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ; - wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ; - ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ; + 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 - 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(_MSC_VER) && !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()) @@ -240,316 +310,339 @@ bool wxApp::Initialize() return TRUE; } -//// RegisterWindowClasses +// --------------------------------------------------------------------------- +// 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() { -/////////////////////////////////////////////////////////////////////// -// 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 = (HICON) NULL; // wxSTD_FRAME_ICON; - wndclass.hCursor = LoadCursor( (HINSTANCE) 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 = (HICON) NULL; // wxSTD_MDIPARENTFRAME_ICON; - wndclass1.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW ); -// wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ; - wndclass1.hbrBackground = (HBRUSH) 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 = (HICON) NULL; // wxSTD_MDICHILDFRAME_ICON; - wndclass4.hCursor = LoadCursor( (HINSTANCE) 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 = (HICON) NULL; - wndclass2.hCursor = (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 = (HICON) NULL; - wndclass3.hCursor = (HCURSOR) NULL; -// wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ; - wndclass3.hbrBackground = (HBRUSH) NULL; - wndclass3.lpszMenuName = NULL; - wndclass3.lpszClassName = wxCanvasClassName; - if (!RegisterClass( &wndclass3)) - { -// wxFatalError("Can't register Canvas class"); -// return FALSE; - } - - return TRUE; + 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 + 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.hInstance = wxhInstance; + wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); + + // Register the frame window class. + wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1); + wndclass.lpszClassName = wxCanvasClassName; + wndclass.style = styleNormal; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(frame)")); + } + + // "no redraw" frame + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw frame)")); + } + + // Register the MDI frame window class. + wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves + wndclass.lpszClassName = wxMDIFrameClassName; + wndclass.style = styleNormal; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(MDI parent)")); + } + + // "no redraw" MDI frame + wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); + } + + // Register the MDI child frame window class. + wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); + wndclass.lpszClassName = wxMDIChildFrameClassName; + wndclass.style = styleNormal; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(MDI child)")); + } + + // "no redraw" MDI child frame + wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); + } + + return TRUE; } -//// Convert Windows to argc, argv style +// --------------------------------------------------------------------------- +// UnregisterWindowClasses +// --------------------------------------------------------------------------- -void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) +bool wxApp::UnregisterWindowClasses() { - wxStringList args; + bool retval = TRUE; - wxString cmdLine(lpCmdLine); - int count = 0; +#ifndef __WXMICROWIN__ + // MDI frame window class. + if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(MDI parent)")); - // Get application name - char name[260]; // 260 is MAX_PATH value from windef.h - ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name)); + retval = FALSE; + } - // GNUWIN32 already fills in the first arg with the application name. -#if !defined(__GNUWIN32__) - args.Add(name); - count ++; -#endif + // "no redraw" MDI frame + if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)")); - strcpy(name, wxFileNameFromPath(name)); - wxStripExtension(name); - wxTheApp->SetAppName(name); + retval = FALSE; + } - // Break up string - // Treat strings enclosed in double-quotes as single arguments - int i = 0; - int len = cmdLine.Length(); - while (i < len) + // MDI child frame window class. + if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) ) { - // Skip whitespace - while ((i < len) && isspace(cmdLine.GetChar(i))) - i ++; + wxLogLastError(wxT("UnregisterClass(MDI child)")); - if (i < len) - { - if (cmdLine.GetChar(i) == '"') // We found the start of a string - { - i ++; - int first = i; - while ((i < len) && (cmdLine.GetChar(i) != '"')) - i ++; + retval = FALSE; + } - wxString arg(cmdLine.Mid(first, (i - first))); + // "no redraw" MDI child frame + if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI child)")); - args.Add(arg); - count ++; + retval = FALSE; + } - if (i < len) - i ++; // Skip past 2nd quote - } - else // Unquoted argument - { - int first = i; - while ((i < len) && !isspace(cmdLine.GetChar(i))) - i ++; + // canvas class name + if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(canvas)")); - wxString arg(cmdLine.Mid(first, (i - first))); + retval = FALSE; + } - args.Add(arg); - count ++; - } - } + if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw canvas)")); + + retval = FALSE; } +#endif // __WXMICROWIN__ - wxTheApp->argv = new char*[count + 1]; - for (i = 0; i < count; i++) + 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); + + // but don't override the name already set by the user code, if any + if ( GetAppName().empty() ) + SetAppName(name); + + // copy all the other arguments to wxApp::argv[] + for ( int i = 1; i < argc; i++ ) { - wxString arg(args[i]); - wxTheApp->argv[i] = copystring((const char*)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 void wxApp::CleanUp() { - //// COMMON CLEANUP - wxModule::CleanUpModules(); + //// COMMON CLEANUP -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); +#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(); -// wxDefaultResourceTable->ClearTable(); -#endif + // this will flush the old messages if any + delete wxLog::SetActiveTarget(new wxLogStderr); +#endif // wxUSE_LOG - // 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; + // One last chance for pending objects to be cleaned up + wxTheApp->DeletePendingObjects(); - wxDeleteStockObjects() ; + wxModule::CleanUpModules(); - // Destroy all GDI lists, etc. - wxDeleteStockLists(); +#if wxUSE_WX_RESOURCES + wxCleanUpResourceSystem(); - delete wxTheColourDatabase; - wxTheColourDatabase = 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__ + delete[] wxBuffer; + wxBuffer = NULL; -#if wxUSE_RICHEDIT - if (gs_hRichEdit != (HINSTANCE) NULL) - FreeLibrary(gs_hRichEdit); -#endif + //// WINDOWS-SPECIFIC CLEANUP +#ifndef __WXMICROWIN__ + wxSetKeyboardHook(FALSE); #endif #if wxUSE_PENWINDOWS - wxCleanUpPenWin(); + wxCleanUpPenWin(); #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 (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 !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) - ::OleUninitialize(); + 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 CTL3D - Ctl3dUnregister(wxhInstance); +#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; + + // 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; - wxClassInfo::CleanUpClasses(); +#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; + delete wxTheApp; + wxTheApp = NULL; #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - // At this point we want to check if there are any memory - // blocks that aren't part of the wxDebugContext itself, - // as a special case. Then when dumping we need to ignore - // wxDebugContext, too. - if (wxDebugContext::CountObjectsLeft() > 0) - { - wxLogDebug("There were memory leaks."); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -// wxDebugContext::SetStream(NULL, NULL); + // At this point we want to check if there are any memory + // blocks that aren't part of the wxDebugContext itself, + // as a special case. Then when dumping we need to ignore + // wxDebugContext, too. + if (wxDebugContext::CountObjectsLeft(TRUE) > 0) + { + wxLogMessage(wxT("There were memory leaks.")); + wxDebugContext::Dump(); + wxDebugContext::PrintStatistics(); + } + // wxDebugContext::SetStream(NULL, NULL); #endif - // do it as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - delete wxLog::SetActiveTarget(NULL); +#if wxUSE_LOG + // do it as the very last thing because everything else can log messages + delete wxLog::SetActiveTarget(NULL); +#endif // wxUSE_LOG } +//---------------------------------------------------------------------- +// 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 -#ifdef _MSC_VER +// 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 +//---------------------------------------------------------------------- +// Main wxWindows entry point +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lpCmdLine, @@ -559,194 +652,196 @@ int wxEntry(WXHINSTANCE hInstance, // 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(_MSC_VER) - #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 - __try { -#else - #undef CATCH_PROGRAM_EXCEPTIONS + // 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; - wxhInstance = (HINSTANCE) hInstance; + if (!wxEntryStart(0,0)) + return 0; - if (!wxApp::Initialize()) - 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.") ); - // 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(); - - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); - - - wxApp::CleanUp(); - - return retValue; - -#ifdef CATCH_PROGRAM_EXCEPTIONS - } - __except ( EXCEPTION_EXECUTE_HANDLER ) { - /* - if ( wxTheApp ) - wxTheApp->OnFatalException(); - */ - - ::ExitProcess(3); // the same exit code as abort() - - // NOTREACHED - } -#endif // CATCH_PROGRAM_EXCEPTIONS + 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__ +#if wxUSE_LOG + wxLog::SetTimestamp(NULL); +#endif // wxUSE_LOG +#endif // __VISUALC__ + + // init the app + int retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1; + + if ( retValue == 0 ) + { + if ( enterLoop ) + { + // run the main loop + 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); + } + } + + retValue = 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 _MSC_VER +#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 } @@ -768,13 +863,13 @@ bool wxApp::DoMessage() else if ( rc == -1 ) { // should never happen, but let's test for it nevertheless - wxLogLastError("GetMessage"); + wxLogLastError(wxT("GetMessage")); } else { #if wxUSE_THREADS wxASSERT_MSG( wxThread::IsMain(), - "only the main thread can process Windows messages" ); + wxT("only the main thread can process Windows messages") ); static bool s_hadGuiLock = TRUE; static wxMsgArray s_aSavedMessages; @@ -789,7 +884,7 @@ bool wxApp::DoMessage() // leave out WM_COMMAND messages: too dangerous, sometimes // the message will be processed twice if ( !wxIsWaitingForThread() || - s_currentMsg.message != WM_COMMAND ) + s_currentMsg.message != WM_COMMAND ) { s_aSavedMessages.Add(s_currentMsg); } @@ -807,16 +902,12 @@ bool wxApp::DoMessage() { 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(); @@ -825,17 +916,21 @@ bool wxApp::DoMessage() #endif // wxUSE_THREADS // Process the message - if ( !ProcessMessage((WXMSG *)&s_currentMsg) ) - { - ::TranslateMessage(&s_currentMsg); - wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */ - ::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. @@ -852,23 +947,22 @@ bool wxApp::DoMessage() int wxApp::MainLoop() { - m_keepGoing = TRUE; + m_keepGoing = TRUE; - while ( m_keepGoing ) - { - #if wxUSE_THREADS + while ( m_keepGoing ) + { +#if wxUSE_THREADS wxMutexGuiLeaveOrEnter(); - #endif // wxUSE_THREADS +#endif // wxUSE_THREADS - while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle() ) - { - } + while ( !Pending() && ProcessIdle() ) + ; - DoMessage(); - } + // 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. @@ -883,12 +977,13 @@ bool wxApp::ProcessIdle() 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() @@ -901,54 +996,118 @@ 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 != (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 != (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; + } + + // try translations first: the accelerators override everything + wxWindow *wnd; + + 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; + } + + // 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; } - } - return FALSE; + + // 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() ) @@ -958,21 +1117,21 @@ void wxApp::OnIdle(wxIdleEvent& event) event.RequestMore(TRUE); } - s_inOnIdle = FALSE; + wxIsInOnIdleFlag = FALSE; } // Send idle event to all top-level windows bool wxApp::SendIdleEvents() { bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); + + wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); while (node) { - wxWindow* win = (wxWindow*) node->Data(); + wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; - - node = node->Next(); + node = node->GetNext(); } return needMore; @@ -981,43 +1140,41 @@ bool wxApp::SendIdleEvents() // 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); - wxIdleEvent event; - event.SetEventObject(win); - win->GetEventHandler()->ProcessEvent(event); + bool needMore = event.MoreRequested(); - if (event.MoreRequested()) - needMore = TRUE; + wxWindowList::Node *node = win->GetChildren().GetFirst(); + while ( node ) + { + wxWindow *win = node->GetData(); + if (SendIdleEvents(win)) + needMore = TRUE; - wxNode* node = win->GetChildren().First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) - needMore = TRUE; + node = node->GetNext(); + } - node = node->Next(); - } - return needMore ; + return needMore; } void wxApp::DeletePendingObjects() { - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); + wxNode *node = wxPendingDelete.GetFirst(); + while (node) + { + wxObject *obj = node->GetData(); - 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.GetFirst(); + } } void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) @@ -1037,92 +1194,197 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event) } } -wxLog* wxApp::CreateLogTarget() +/* static */ +int wxApp::GetComCtl32Version() { - return new wxLogGui; -} - -wxWindow* wxApp::GetTopWindow() const -{ - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; -} +#ifdef __WXMICROWIN__ + return 0; +#else + // cache the result + static int s_verComCtl32 = -1; -int wxApp::GetComCtl32Version() const -{ - // have we loaded COMCTL32 yet? - HMODULE theModule = ::GetModuleHandle("COMCTL32"); - int version = 0; + wxCRIT_SECT_DECLARE(csComCtl32); + wxCRIT_SECT_LOCKER(lock, csComCtl32); - // if so, then we can check for the version - if (theModule) + if ( s_verComCtl32 == -1 ) { - // InitCommonControlsEx is unique to 4.7 and later - FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx"); + // initally assume no comctl32.dll at all + s_verComCtl32 = 0; - if (! theProc) - { // not found, must be 4.00 - version = 400; - } - else + // do we have it? + HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32")); + + // if so, then we can check for the version + if ( hModuleComCtl32 ) { - // The following symbol are unique to 4.71 - // DllInstall - // FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos - // FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo - // FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange - // FlatSB_ShowScrollBar - // _DrawIndirectImageList _DuplicateImageList - // InitializeFlatSB - // UninitializeFlatSB - // we could check for any of these - I chose DllInstall - FARPROC theProc = ::GetProcAddress(theModule, "DllInstall"); - if (! theProc) - { - // not found, must be 4.70 - version = 470; - } - else - { // found, must be 4.71 - version = 471; - } + // try to use DllGetVersion() if available in _headers_ + #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h + DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC) + ::GetProcAddress(hModuleComCtl32, "DllGetVersion"); + if ( pfnDllGetVersion ) + { + DLLVERSIONINFO dvi; + dvi.cbSize = sizeof(dvi); + + HRESULT hr = (*pfnDllGetVersion)(&dvi); + if ( FAILED(hr) ) + { + wxLogApiError(_T("DllGetVersion"), hr); + } + else + { + // this is incompatible with _WIN32_IE values, but + // compatible with the other values returned by + // GetComCtl32Version() + s_verComCtl32 = 100*dvi.dwMajorVersion + + dvi.dwMinorVersion; + } + } + #endif + // DllGetVersion() unavailable either during compile or + // run-time, try to guess the version otherwise + if ( !s_verComCtl32 ) + { + // InitCommonControlsEx is unique to 4.70 and later + FARPROC theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitCommonControlsEx" + ); + + if ( !theProc ) + { + // not found, must be 4.00 + s_verComCtl32 = 400; + } + else + { + // many symbols appeared in comctl32 4.71, could use + // any of them except may be DllInstall + theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitializeFlatSB" + ); + if ( !theProc ) + { + // not found, must be 4.70 + s_verComCtl32 = 470; + } + else + { + // found, must be 4.71 + s_verComCtl32 = 471; + } + } + } } } - return version; + + return s_verComCtl32; +#endif } void wxExit() { - 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; - } - - return TRUE; + // 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 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; +} + +bool wxHandleFatalExceptions(bool doit) +{ +#if wxUSE_ON_FATAL_EXCEPTION + // assume this can only be called from the main thread + gs_handleExceptions = doit; + + return TRUE; +#else + wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function")); + + (void)doit; + return FALSE; +#endif } -HINSTANCE wxGetInstance() +//----------------------------------------------------------------------------- +// wxWakeUpIdle +//----------------------------------------------------------------------------- + +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)")); + } + } } +//----------------------------------------------------------------------------- + // 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__) && !defined(__TWIN32__)) - #include "main.cpp" +#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__WINE__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL)) +#include "main.cpp" #endif