X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b82827dd43caa489eade15cc02edef7fb79e8c20..a647d42abcf7461dbd3abb88df3262e4bb495f73:/src/msw/app.cpp?ds=sidebyside diff --git a/src/msw/app.cpp b/src/msw/app.cpp index de414f743c..08579d8319 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -5,41 +5,55 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// =========================================================================== +// 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/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/apptrait.h" +#include "wx/filename.h" #include "wx/module.h" +#include "wx/msw/private.h" + #if wxUSE_THREADS #include "wx/thread.h" @@ -51,714 +65,502 @@ 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(__SYMANTEC__) || defined(__SALFORDC__) + #undef wxUSE_OLE -// 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__) -#include + #define wxUSE_OLE 0 +#endif // broken compilers + +#if wxUSE_OLE + #include #endif -// #endif #include #include -#if defined(__WIN95__) && !defined(__GNUWIN32__) - #include +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__)) + #include #endif -// use debug CRT functions for memory leak detections in VC++ if we're not -// using wxWindows own methods -#if defined(__WXDEBUG__) && defined(_MSC_VER) && !wxUSE_GLOBAL_MEMORY_OPERATORS && !defined(__NO_VC_CRTDBG__) - #define wxUSE_VC_CRTDBG -#else - #undef wxUSE_VC_CRTDBG +// ---------------------------------------------------------------------------- +// 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 -#ifdef wxUSE_VC_CRTDBG - // VC++ uses this macro as debug/release mode indicator - #ifndef _DEBUG - #define _DEBUG - #endif - - /* Need to undef new if including crtdbg.h */ - #ifdef new - #undef new - #endif - - #include +#if _WIN32_IE >= 0x0300 && \ + (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \ + !defined(__CYGWIN__) + #include +#endif - #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS - #define new new(__FILE__,__LINE__) - #endif -#endif // wxUSE_VC_CRTDBG +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- -extern char *wxBuffer; -extern char *wxOsVersion; -extern wxList *wxWinHandleList; extern wxList WXDLLEXPORT wxPendingDelete; +#ifndef __WXMICROWIN__ extern void wxSetKeyboardHook(bool doIt); -extern wxCursor *g_globalCursor; - -HINSTANCE wxhInstance = 0; -static MSG s_currentMsg; -wxApp *wxTheApp = NULL; +#endif -// @@ why not const? and not static? -char wxFrameClassName[] = "wxFrameClass"; -char wxMDIFrameClassName[] = "wxMDIFrameClass"; -char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass"; -char wxPanelClassName[] = "wxPanelClass"; -char wxCanvasClassName[] = "wxCanvasClass"; +MSG s_currentMsg; -HICON wxSTD_FRAME_ICON = NULL; -HICON wxSTD_MDICHILDFRAME_ICON = NULL; -HICON wxSTD_MDIPARENTFRAME_ICON = NULL; +// 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 wxDEFAULT_FRAME_ICON = NULL; -HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL; -HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL; +HBRUSH wxDisableButtonBrush = (HBRUSH) 0; -HBRUSH wxDisableButtonBrush = 0; +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- -LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); +LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) +// =========================================================================== +// wxGUIAppTraits implementation +// =========================================================================== - BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) - EVT_END_SESSION(wxApp::OnEndSession) - EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) - END_EVENT_TABLE() -#endif +// private class which we use to pass parameters from BeforeChildWaitLoop() to +// AfterChildWaitLoop() +struct ChildWaitLoopData +{ + ChildWaitLoopData(wxWindowDisabler *wd_, wxWindow *winActive_) + { + wd = wd_; + winActive = winActive_; + } -long wxApp::sm_lastMessageTime = 0; + wxWindowDisabler *wd; + wxWindow *winActive; +}; -#ifdef __WIN95__ - static HINSTANCE gs_hRichEdit = NULL; -#endif +void *wxGUIAppTraits::BeforeChildWaitLoop() +{ + /* + We use a dirty hack here to disable all application windows (which we + must do because otherwise the calls to wxYield() could lead to some very + unexpected reentrancies in the users code) but to avoid losing + focus/activation entirely when the child process terminates which would + happen if we simply disabled everything using wxWindowDisabler. Indeed, + remember that Windows will never activate a disabled window and when the + last childs window is closed and Windows looks for a window to activate + all our windows are still disabled. There is no way to enable them in + time because we don't know when the childs windows are going to be + closed, so the solution we use here is to keep one special tiny frame + enabled all the time. Then when the child terminates it will get + activated and when we close it below -- after reenabling all the other + windows! -- the previously active window becomes activated again and + everything is ok. + */ + wxBeginBusyCursor(); + + // first disable all existing windows + wxWindowDisabler *wd = new wxWindowDisabler; + + // then create an "invisible" frame: it has minimal size, is positioned + // (hopefully) outside the screen and doesn't appear on the taskbar + wxWindow *winActive = new wxFrame + ( + wxTheApp->GetTopWindow(), + -1, + _T(""), + wxPoint(32600, 32600), + wxSize(1, 1), + wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR + ); + winActive->Show(); + + return new ChildWaitLoopData(wd, winActive); +} -//// Initialize +void wxGUIAppTraits::AlwaysYield() +{ + wxYield(); +} -bool wxApp::Initialize() +void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig) { - // Some people may wish to use this, but - // probably it shouldn't be here by default. -#ifdef __WXDEBUG__ -// wxRedirectIOToConsole(); -#endif + wxEndBusyCursor(); - wxBuffer = new char[1500]; + const ChildWaitLoopData * const data = (ChildWaitLoopData *)dataOrig; -#ifdef wxUSE_VC_CRTDBG - // 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++ + delete data->wd; - wxClassInfo::InitializeClasses(); + // finally delete the dummy frame and, as wd has been already destroyed and + // the other windows reenabled, the activation is going to return to the + // window which had had it before + data->winActive->Destroy(); +} -#if wxUSE_RESOURCES - wxGetResource("wxWindows", "OsVersion", &wxOsVersion); -#endif +bool wxGUIAppTraits::DoMessageFromThreadWait() +{ + return !wxTheApp || wxTheApp->DoMessage(); +} - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); +// =========================================================================== +// wxApp implementation +// =========================================================================== - wxInitializeStockLists(); - wxInitializeStockObjects(); +int wxApp::m_nCmdShow = SW_SHOWNORMAL; -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif +// --------------------------------------------------------------------------- +// wxWin macros +// --------------------------------------------------------------------------- - wxBitmap::InitStandardHandlers(); +IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) -#if defined(__WIN95__) - InitCommonControls(); - gs_hRichEdit = LoadLibrary("RICHED32.DLL"); +BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) + EVT_IDLE(wxApp::OnIdle) + EVT_END_SESSION(wxApp::OnEndSession) + EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) +END_EVENT_TABLE() - if (gs_hRichEdit == NULL) - { - wxMessageBox("Could not initialise Rich Edit DLL"); - } -#endif +// class to ensure that wxAppBase::CleanUp() is called if our Initialize() +// fails +class wxCallBaseCleanup +{ +public: + wxCallBaseCleanup(wxApp *app) : m_app(app) { } + ~wxCallBaseCleanup() { if ( m_app ) m_app->wxAppBase::CleanUp(); } - int iMsg = 96; - - // for OLE, enlarge message queue to be as large as possible - while (!SetMessageQueue(iMsg) && (iMsg -= 8)); + void Dismiss() { m_app = NULL; } -/* - DWORD dwOleVer; - dwOleVer = CoBuildVersion(); - - // check the OLE library version - if (rmm != HIWORD(dwOleVer)) +private: + wxApp *m_app; +}; + +//// Initialize +bool wxApp::Initialize(int& argc, wxChar **argv) +{ + if ( !wxAppBase::Initialize(argc, argv) ) + return false; + + // ensure that base cleanup is done if we return too early + wxCallBaseCleanup callBaseCleanup(this); + + // 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 ) { - wxMessageBox("Incorrect version of OLE libraries."); + // 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 + +#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 !defined(__GNUWIN32__) && !defined(__SC__) +#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; - - wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME"); - wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME"); - wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME"); - - wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME"); - wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME"); - wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME"); +#endif // wxUSE_CTL3D 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. -#if defined(_MSC_VER) && !defined(WXMAKINGDLL) + // 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; + callBaseCleanup.Dismiss(); + + 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 = 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; -} + WNDCLASS wndclass; + wxZeroMemory(wndclass); -//// Convert Windows to argc, argv style - -void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) -{ - wxStringList args; + // 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; - wxString cmdLine(lpCmdLine); - int count = 0; + // the fields which are common to all classes + wndclass.lpfnWndProc = (WNDPROC)wxWndProc; + wndclass.hInstance = wxhInstance; + wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); - // Get application name - char name[260]; // 260 is MAX_PATH value from windef.h - ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name)); + // Register the frame window class. + wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1); + wndclass.lpszClassName = wxCanvasClassName; + wndclass.style = styleNormal; - // GNUWIN32 already fills in the first arg with the application name. -#if !defined(__GNUWIN32__) - args.Add(name); - count ++; -#endif + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(frame)")); + } - strcpy(name, wxFileNameFromPath(name)); - wxStripExtension(name); - wxTheApp->SetAppName(name); + // "no redraw" frame + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; - // Break up string - // Treat strings enclosed in double-quotes as single arguments - int i = 0; - int len = cmdLine.Length(); - while (i < len) + if ( !RegisterClass(&wndclass) ) { - // Skip whitespace - while ((i < len) && isspace(cmdLine.GetChar(i))) - i ++; + wxLogLastError(wxT("RegisterClass(no redraw frame)")); + } - 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 ++; + // Register the MDI frame window class. + wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves + wndclass.lpszClassName = wxMDIFrameClassName; + wndclass.style = styleNormal; - wxString arg(cmdLine.Mid(first, (i - first))); + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(MDI parent)")); + } - args.Add(arg); - count ++; + // "no redraw" MDI frame + wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; - if (i < len) - i ++; // Skip past 2nd quote - } - else // Unquoted argument - { - int first = i; - while ((i < len) && !isspace(cmdLine.GetChar(i))) - i ++; + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); + } - wxString arg(cmdLine.Mid(first, (i - first))); + // Register the MDI child frame window class. + wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); + wndclass.lpszClassName = wxMDIChildFrameClassName; + wndclass.style = styleNormal; - args.Add(arg); - count ++; - } - } + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(MDI child)")); } - wxTheApp->argv = new char*[count + 1]; - for (i = 0; i < count; i++) + // "no redraw" MDI child frame + wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) { - wxString arg(args[i]); - wxTheApp->argv[i] = copystring((const char*)arg); + wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); } - wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list - wxTheApp->argc = count; + + return TRUE; } -//// Cleans up any wxWindows internal structures left lying around +// --------------------------------------------------------------------------- +// UnregisterWindowClasses +// --------------------------------------------------------------------------- -void wxApp::CleanUp() +bool wxApp::UnregisterWindowClasses() { - //// COMMON CLEANUP - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); + bool retval = TRUE; -// wxDefaultResourceTable->ClearTable(); -#endif - - // Indicate that the cursor can be freed, - // so that cursor won't be deleted by deleting - // the bitmap list before g_globalCursor goes out - // of scope (double deletion of the cursor). - wxSetCursor(wxNullCursor); - delete g_globalCursor; - - wxDeleteStockObjects() ; +#ifndef __WXMICROWIN__ + // MDI frame window class. + if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(MDI parent)")); - // Destroy all GDI lists, etc. - wxDeleteStockLists(); + retval = FALSE; + } - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; + // "no redraw" MDI frame + if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)")); - wxBitmap::CleanUpHandlers(); + retval = FALSE; + } - delete[] wxBuffer; - wxBuffer = NULL; + // MDI child frame window class. + if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(MDI child)")); - //// WINDOWS-SPECIFIC CLEANUP + retval = FALSE; + } - wxSetKeyboardHook(FALSE); + // "no redraw" MDI child frame + if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw MDI child)")); -#ifdef __WIN95__ - if (gs_hRichEdit != NULL) - FreeLibrary(gs_hRichEdit); -#endif + retval = FALSE; + } -#if wxUSE_PENWINDOWS - wxCleanUpPenWin(); -#endif + // canvas class name + if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(canvas)")); - 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__) - ::OleUninitialize(); -#endif + retval = FALSE; + } -#if CTL3D - Ctl3dUnregister(wxhInstance); -#endif + if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) ) + { + wxLogLastError(wxT("UnregisterClass(no redraw canvas)")); - if (wxWinHandleList) - delete wxWinHandleList ; - - 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() > 0) - { - wxLogDebug("There were memory leaks."); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -// wxDebugContext::SetStream(NULL, NULL); -#endif + retval = FALSE; + } +#endif // __WXMICROWIN__ - // do it as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - delete wxLog::SetActiveTarget(NULL); + return retval; } -#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) - -// temporarily disable this warning -#ifdef _MSC_VER - #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) +void wxApp::CleanUp() { - // 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 - - __try { -#else - #undef CATCH_PROGRAM_EXCEPTIONS +#ifndef __WXMICROWIN__ + wxSetKeyboardHook(FALSE); #endif - wxhInstance = (HINSTANCE) hInstance; - - 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, - "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 -} - -// restore warning state -#ifdef _MSC_VER - #pragma warning(default: 4715) // not all control paths return a value -#endif // Visual C++ - -#else /* _WINDLL */ - -//// Entry point for DLLs - -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. - - if (!wxTheApp) - { - if (!wxApp::GetInitializerFunction()) - { - MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK); - return 0; - } - - wxTheApp = (* wxApp::GetInitializerFunction()) (); - } +#if wxUSE_PENWINDOWS + wxCleanUpPenWin(); +#endif - if (!wxTheApp) { - MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK); - return 0; - } + if ( wxDisableButtonBrush ) + ::DeleteObject( wxDisableButtonBrush ); - wxTheApp->argc = 0; - wxTheApp->argv = NULL; +#if wxUSE_OLE + ::OleUninitialize(); +#endif - wxTheApp->OnInitGui(); + // 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(); - wxTheApp->OnInit(); +#if wxUSE_CTL3D + Ctl3dUnregister(wxhInstance); +#endif - if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) { - wxTheApp->GetTopWindow()->Show(TRUE); - } + delete wxWinHandleHash; + wxWinHandleHash = NULL; - return 1; + wxAppBase::CleanUp(); } -#endif // _WINDLL - -//// Static member initialization -wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; +// ---------------------------------------------------------------------------- +// wxApp ctor/dtor +// ---------------------------------------------------------------------------- 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; + m_printMode = wxPRINT_WINDOWS; } wxApp::~wxApp() { - // Delete command-line args - int i; - for (i = 0; i < argc; i++) - { - delete[] argv[i]; - } - delete[] argv; + // our cmd line arguments are allocated inside wxEntry(HINSTANCE), they + // don't come from main(), so we have to free them + + while ( argc ) + { + // m_argv elements were allocated by wxStrdup() + free(argv[--argc]); + } + + // but m_argv itself -- using new[] + 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 } @@ -774,19 +576,19 @@ bool wxApp::DoMessage() { // got WM_QUIT m_keepGoing = FALSE; - + return FALSE; } 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; @@ -798,7 +600,13 @@ bool wxApp::DoMessage() { s_hadGuiLock = FALSE; - s_aSavedMessages.Add(s_currentMsg); + // 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; } @@ -813,16 +621,12 @@ 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(); @@ -831,17 +635,21 @@ 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. @@ -858,23 +666,22 @@ 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. @@ -884,17 +691,20 @@ bool wxApp::ProcessIdle() event.SetEventObject(this); ProcessEvent(event); + wxUpdateUIEvent::ResetUpdateTime(); + return event.MoreRequested(); } 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() @@ -907,54 +717,118 @@ 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); + } + + return hwnd && ::IsDialogMessage(hwnd, msg) != 0; + } + +#if wxUSE_TOOLTIPS + // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to + // popup the tooltip bubbles + if ( (msg->message == WM_MOUSEMOVE) ) + { + wxToolTip *tt = wndThis->GetToolTip(); + if ( tt ) + { + tt->RelayEvent(wxmsg); + } + } +#endif // wxUSE_TOOLTIPS + + // allow the window to prevent certain messages from being + // translated/processed (this is currently used by wxTextCtrl to always + // grab Ctrl-C/V/X, even if they are also accelerators in some parent) + if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) ) + { + return FALSE; + } - HWND hWnd; + // try translations first: the accelerators override everything + wxWindow *wnd; - // 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) + for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) { - if (wnd->MSWTranslateMessage(Msg)) - return TRUE; + if ( wnd->MSWTranslateMessage(wxmsg)) + return TRUE; + + // stop at first top level window, i.e. don't try to process the key + // strokes originating in a dialog using the accelerators of the parent + // frame - this doesn't make much sense + if ( wnd->IsTopLevel() ) + break; } - } - // Anyone for a non-translation message? Try youngest descendants first. - for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd)) - { - wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd); - if (wnd) + // 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(Msg)) - return TRUE; + 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() ) @@ -964,21 +838,21 @@ 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; @@ -987,46 +861,43 @@ 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() +void wxApp::WakeUpIdle() { - wxNode *node = wxPendingDelete.First(); - while (node) - { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if (wxPendingDelete.Member(obj)) - delete node; - - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.First(); - } + // Send the top window a dummy message so idle handler processing will + // start up again. Doing it this way ensures that the idle handler + // wakes up in the right thread (see also wxWakeUpMainThread() which does + // the same for the main app thread only) + wxWindow *topWindow = wxTheApp->GetTopWindow(); + if ( topWindow ) + { + if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) ) + { + // should never happen + wxLogLastError(wxT("PostMessage(WM_NULL)")); + } + } } -void wxApp::OnEndSession(wxCloseEvent& event) +void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) { if (GetTopWindow()) GetTopWindow()->Close(TRUE); @@ -1043,92 +914,169 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event) } } -wxLog* wxApp::CreateLogTarget() +typedef struct _WXADllVersionInfo { - return new wxLogGui; -} + DWORD cbSize; + DWORD dwMajorVersion; // Major version + DWORD dwMinorVersion; // Minor version + DWORD dwBuildNumber; // Build number + DWORD dwPlatformID; // DLLVER_PLATFORM_* +} WXADLLVERSIONINFO; -wxWindow* wxApp::GetTopWindow() const -{ - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.Number() > 0) - return (wxWindow*) wxTopLevelWindows.First()->Data(); - else - return NULL; -} +typedef HRESULT (CALLBACK* WXADLLGETVERSIONPROC)(WXADLLVERSIONINFO *); -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; + + 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; + // do we have it? + HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32")); + BOOL bFreeComCtl32 = FALSE ; + if(!hModuleComCtl32) + { + hModuleComCtl32 = ::LoadLibrary(wxT("COMCTL32.DLL")) ; + if(hModuleComCtl32) + { + bFreeComCtl32 = TRUE ; + } } - else + + // if so, then we can check for the version + if ( hModuleComCtl32 ) + { + // try to use DllGetVersion() if available in _headers_ + WXADLLGETVERSIONPROC pfnDllGetVersion = (WXADLLGETVERSIONPROC) + ::GetProcAddress(hModuleComCtl32, "DllGetVersion"); + if ( pfnDllGetVersion ) + { + WXADLLVERSIONINFO dvi; + dvi.cbSize = sizeof(dvi); + + HRESULT hr = (*pfnDllGetVersion)(&dvi); + if ( FAILED(hr) ) + { + wxLogApiError(_T("DllGetVersion"), hr); + } + else + { + // this is incompatible with _WIN32_IE values, but + // compatible with the other values returned by + // GetComCtl32Version() + s_verComCtl32 = 100*dvi.dwMajorVersion + + dvi.dwMinorVersion; + } + } + // DllGetVersion() unavailable either during compile or + // run-time, try to guess the version otherwise + if ( !s_verComCtl32 ) + { + // InitCommonControlsEx is unique to 4.70 and later + FARPROC theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitCommonControlsEx" + ); + + if ( !theProc ) + { + // not found, must be 4.00 + s_verComCtl32 = 400; + } + else + { + // many symbols appeared in comctl32 4.71, could use + // any of them except may be DllInstall + theProc = ::GetProcAddress + ( + hModuleComCtl32, + "InitializeFlatSB" + ); + if ( !theProc ) + { + // not found, must be 4.70 + s_verComCtl32 = 470; + } + else + { + // found, must be 4.71 + s_verComCtl32 = 471; + } + } + } + } + + if(bFreeComCtl32) { - // 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; - } + ::FreeLibrary(hModuleComCtl32) ; } } - return version; -} -void wxExit() -{ - wxApp::CleanUp(); - FatalAppExit(0, "Fatal error: exiting"); + return s_verComCtl32; +#endif } // Yield to incoming messages -bool wxYield() -{ - 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; -} -HINSTANCE wxGetInstance() +bool wxApp::Yield(bool onlyIfNeeded) { - return wxhInstance; + // 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; } -// 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" -#endif