// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if defined(__BORLANDC__)
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
- #include "wx/frame.h"
- #include "wx/app.h"
- #include "wx/utils.h"
- #include "wx/gdicmn.h"
- #include "wx/pen.h"
- #include "wx/brush.h"
- #include "wx/cursor.h"
- #include "wx/icon.h"
- #include "wx/palette.h"
- #include "wx/dc.h"
- #include "wx/dialog.h"
- #include "wx/msgdlg.h"
+ #include "wx/frame.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/gdicmn.h"
+ #include "wx/pen.h"
+ #include "wx/brush.h"
+ #include "wx/cursor.h"
+ #include "wx/icon.h"
+ #include "wx/palette.h"
+ #include "wx/dc.h"
+ #include "wx/dialog.h"
+ #include "wx/msgdlg.h"
+ #include "wx/intl.h"
+ #include "wx/dynarray.h"
+ #include "wx/wxchar.h"
+ #include "wx/icon.h"
+ #include "wx/log.h"
#endif
-#include "wx/msw/private.h"
-#include "wx/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"
+
+ // define the array of MSG strutures
+ WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+ #include "wx/arrimpl.cpp"
+
+ WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
+
#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
+ #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
-#ifndef __GNUWIN32__
-#include <ole2.h>
+#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 <ole2.h>
#endif
-// #endif
#include <string.h>
#include <ctype.h>
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
- #include <commctrl.h>
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))
+ #include <commctrl.h>
#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
+#ifndef __WXMICROWIN__
+#include "wx/msw/msvcrt.h"
#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 <crtdbg.h>
-
- #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
- #define new new(__FILE__,__LINE__)
- #endif
+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+
+// The macro _WIN32_IE is defined by commctrl.h (unless it had already been
+// defined before) and shows us what common control features are available
+// during the compile time (it doesn't mean that they will be available during
+// the run-time, use GetComCtl32Version() to test for them!). The possible
+// values are:
+//
+// 0x0200 for comctl32.dll 4.00 shipped with Win95/NT 4.0
+// 0x0300 4.70 IE 3.x
+// 0x0400 4.71 IE 4.0
+// 0x0401 4.72 IE 4.01 and Win98
+// 0x0500 5.00 IE 5.x and NT 5.0 (Win2000)
+
+#ifndef _WIN32_IE
+ // minimal set of features by default
+ #define _WIN32_IE 0x0200
+#endif
+#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__)
+ #include <shlwapi.h>
#endif
-extern char *wxBuffer;
-extern char *wxOsVersion;
-extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxChar *wxBuffer;
+extern wxList WXDLLEXPORT wxPendingDelete;
+#ifndef __WXMICROWIN__
extern void wxSetKeyboardHook(bool doIt);
-extern wxCursor *g_globalCursor;
+#endif
-HINSTANCE wxhInstance = 0;
-static MSG s_currentMsg;
+MSG s_currentMsg;
wxApp *wxTheApp = NULL;
-// @@ why not const? and not static?
-char wxFrameClassName[] = "wxFrameClass";
-char wxMDIFrameClassName[] = "wxMDIFrameClass";
-char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
-char wxPanelClassName[] = "wxPanelClass";
-char wxCanvasClassName[] = "wxCanvasClass";
-
-HICON wxSTD_FRAME_ICON = NULL;
-HICON wxSTD_MDICHILDFRAME_ICON = NULL;
-HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
-
-HICON wxDEFAULT_FRAME_ICON = NULL;
-HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
-HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
-
-HBRUSH wxDisableButtonBrush = 0;
+// 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;
+HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
+
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+
+// FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
+// needs compiler support for Win32 SEH. Others (especially Borland)
+// probably have it too, but I'm not sure about how it works
+// JACS: get 'Cannot use __try in functions that require unwinding
+// in Unicode mode, so disabling.
+#if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)
+ #undef wxUSE_ON_FATAL_EXCEPTION
+ #define wxUSE_ON_FATAL_EXCEPTION 0
+#endif // VC++
+
+#if wxUSE_ON_FATAL_EXCEPTION
+ static bool gs_handleExceptions = FALSE;
+#endif
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+// ===========================================================================
+// implementation
+// ===========================================================================
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+// ---------------------------------------------------------------------------
+// wxApp
+// ---------------------------------------------------------------------------
- BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
- EVT_END_SESSION(wxApp::OnEndSession)
- EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
- END_EVENT_TABLE()
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-long wxApp::sm_lastMessageTime = 0;
-
-#ifdef __WIN95__
- static HINSTANCE gs_hRichEdit = NULL;
-#endif
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+END_EVENT_TABLE()
//// Initialize
-
bool wxApp::Initialize()
{
- // Some people may wish to use this, but
- // probably it shouldn't be here by default.
-#ifdef __WXDEBUG__
-// wxRedirectIOToConsole();
-#endif
+ // the first thing to do is to check if we're trying to run an Unicode
+ // program under Win9x w/o MSLU emulation layer - if so, abort right now
+ // as it has no chance to work
+#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
+ if ( wxGetOsVersion() != wxWINDOWS_NT )
+ {
+ // note that we can use MessageBoxW() as it's implemented even under
+ // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
+ // used by wxLocale are not
+ ::MessageBox
+ (
+ NULL,
+ _T("This program uses Unicode and requires Windows NT/2000/XP.\nProgram aborted."),
+ _T("wxWindows Fatal Error"),
+ MB_ICONERROR | MB_OK
+ );
- wxBuffer = new char[1500];
+ return FALSE;
+ }
+#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
-#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++
+ 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);
wxBitmap::InitStandardHandlers();
-#if defined(__WIN95__)
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)
InitCommonControls();
- gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+#endif // __WIN95__
- if (gs_hRichEdit == NULL)
- {
- wxMessageBox("Could not initialise Rich Edit DLL");
- }
-#endif
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
+#ifdef __WIN16__
+ // for OLE, enlarge message queue to be as large as possible
int iMsg = 96;
-
- // 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;
- }
-*/
+ while (!SetMessageQueue(iMsg) && (iMsg -= 8))
+ ;
+#endif // Win16
-#ifndef __GNUWIN32__
+#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
+#endif // wxUSE_CTL3D
- g_globalCursor = new wxCursor;
+ // 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"));
- 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");
+ 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.
-#if (_MSC_VER >= 800) && !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 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);
+
+ // 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)"));
+
+ return FALSE;
+ }
+
+ // "no redraw" frame
+ wndclass.lpszClassName = wxCanvasClassNameNR;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw frame)"));
+
+ return FALSE;
+ }
+
+ // 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)"));
+
+ return FALSE;
+ }
+
+ // "no redraw" MDI frame
+ wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
+
+ return FALSE;
+ }
+
+ // 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)"));
+
+ return FALSE;
+ }
+
+ // "no redraw" MDI child frame
+ wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
+
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
+
+ return FALSE;
+ }
+
+ 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__
+
+ 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));
- wxTheApp->argv = new char*[count + 1];
- for (i = 0; i < count; i++)
+ // +1 here for the program name
+ argc = args.GetCount() + 1;
+
+ // and +1 here for the terminating NULL
+ argv = new wxChar *[argc + 1];
+
+ argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h
+ ::GetModuleFileName(wxhInstance, argv[0], 260);
+
+ // also set the app name from argv[0]
+ wxString name;
+ wxFileName::SplitPath(argv[0], NULL, &name, NULL);
+
+ SetAppName(name);
+
+ // copy all the other arguments to wxApp::argv[]
+ for ( int i = 1; i < argc; i++ )
{
- 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
+
+ // One last chance for pending objects to be cleaned up
+ wxTheApp->DeletePendingObjects();
+
+ wxModule::CleanUpModules();
- // 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;
+#if wxUSE_WX_RESOURCES
+ wxCleanUpResourceSystem();
- wxDeleteStockObjects() ;
+ // wxDefaultResourceTable->ClearTable();
+#endif
- // Destroy all GDI lists, etc.
- wxDeleteStockLists();
+ wxDeleteStockObjects();
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+ // Destroy all GDI lists, etc.
+ wxDeleteStockLists();
- wxBitmap::CleanUpHandlers();
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
- delete[] wxBuffer;
- wxBuffer = NULL;
+ wxBitmap::CleanUpHandlers();
- //// WINDOWS-SPECIFIC CLEANUP
+ delete[] wxBuffer;
+ wxBuffer = NULL;
- wxSetKeyboardHook(FALSE);
+ //// WINDOWS-SPECIFIC CLEANUP
-#ifdef __WIN95__
- if (gs_hRichEdit != NULL)
- FreeLibrary(gs_hRichEdit);
+#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 ) ;
-
-#ifndef __GNUWIN32__
- ::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;
- wxClassInfo::CleanUpClasses();
+ // 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;
- delete wxTheApp;
- wxTheApp = NULL;
+#if wxUSE_THREADS
+ delete wxPendingEventsLocker;
+ // If we don't do the following, we get an apparent memory leak
+#if wxUSE_VALIDATORS
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
+
+ wxClassInfo::CleanUpClasses();
+
+ delete wxTheApp;
+ wxTheApp = NULL;
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- // At this point we want to check if there are any memory
- // blocks that aren't part of the wxDebugContext itself,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft() > 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))
-//// Main wxWindows entry point
+// temporarily disable this warning which would be generated in release builds
+// because of __try
+#ifdef __VISUALC__
+ #pragma warning(disable: 4715) // not all control paths return a value
+#endif // Visual C++
+
+//----------------------------------------------------------------------
+// Main wxWindows entry point
+//----------------------------------------------------------------------
int wxEntry(WXHINSTANCE hInstance,
WXHINSTANCE WXUNUSED(hPrevInstance),
char *lpCmdLine,
int nCmdShow,
bool enterLoop)
{
-#ifndef __WXDEBUG__ // take everything into a try-except block in release build
- try {
+ // do check for memory leaks on program exit
+ // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
+ // deallocated memory which may be used to simulate low-memory condition)
+#ifndef __WXMICROWIN__
+ wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
#endif
- wxhInstance = (HINSTANCE) hInstance;
+#ifdef __MWERKS__
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ // This seems to be necessary since there are 'rogue'
+ // objects present at this point (perhaps global objects?)
+ // Setting a checkpoint will ignore them as far as the
+ // memory checking facility is concerned.
+ // Of course you may argue that memory allocated in globals should be
+ // checked, but this is a reasonable compromise.
+ wxDebugContext::SetCheckpoint();
+#endif
+#endif
- if (!wxApp::Initialize())
- return 0;
+ // take everything into a try-except block to be able to call
+ // OnFatalException() if necessary
+#if wxUSE_ON_FATAL_EXCEPTION
+ __try {
+#endif
+ wxhInstance = (HINSTANCE) hInstance;
- // create the application object or ensure that one already exists
- if (!wxTheApp)
- {
- // The app may have declared a global application object, but we recommend
- // the IMPLEMENT_APP macro is used instead, which sets an initializer
- // function for delayed, dynamic app object construction.
- wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
- "No initializer - use IMPLEMENT_APP macro." );
-
- wxTheApp = (*wxApp::GetInitializerFunction()) ();
- }
-
- wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
-
- // save the WinMain() parameters
- wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
- wxTheApp->m_nCmdShow = nCmdShow;
-
- // GUI-specific initialisation. In fact on Windows we don't have any,
- // but this call is provided for compatibility across platforms.
- wxTheApp->OnInitGui() ;
-
- int retValue = 0;
-
- if ( wxTheApp->OnInit() )
- {
- if ( enterLoop )
- {
- retValue = wxTheApp->OnRun();
- }
- }
- //else: app initialization failed, so we skipped OnRun()
-
- wxWindow *topWindow = wxTheApp->GetTopWindow();
- if ( topWindow )
- {
- // Forcibly delete the window.
- if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
- topWindow->IsKindOf(CLASSINFO(wxDialog)) )
- {
- topWindow->Close(TRUE);
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete topWindow;
- wxTheApp->SetTopWindow(NULL);
- }
- }
-
- wxTheApp->OnExit();
-
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
-
-
- wxApp::CleanUp();
-
- return retValue;
-#ifndef __WXDEBUG__ // catch exceptions only in release build
- }
- except ( EXCEPTION_EXECUTE_HANDLER ) {
- /*
- if ( wxTheApp )
- wxTheApp->OnFatalException();
- */
-
- ::ExitProcess(3); // the same exit code as abort()
- }
-#endif //debug
+ if (!wxEntryStart(0,0))
+ return 0;
+
+ // create the application object or ensure that one already exists
+ if (!wxTheApp)
+ {
+ // The app may have declared a global application object, but we recommend
+ // the IMPLEMENT_APP macro is used instead, which sets an initializer
+ // function for delayed, dynamic app object construction.
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
+ wxT("No initializer - use IMPLEMENT_APP macro.") );
+
+ wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();
+ }
+
+ wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
+
+ // save the WinMain() parameters
+ if (lpCmdLine) // MicroWindows passes NULL
+ wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
+ wxTheApp->m_nCmdShow = nCmdShow;
+
+ // We really don't want timestamps by default, because it means
+ // we can't simply double-click on the error message and get to that
+ // line in the source. So VC++ at least, let's have a sensible default.
+#ifdef __VISUALC__
+ wxLog::SetTimestamp(NULL);
+#endif
+
+ int retValue = 0;
+
+ // it is common to create a modal dialog in OnInit() (to ask/notify the
+ // user about something) but it wouldn't work if we don't change the
+ // "exit on delete last frame" flag here as when this dialog is
+ // deleted, the app would terminate (it was the last top level window
+ // as the main frame wasn't created yet!), so disable this behaviour
+ // temproarily
+ bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
+ wxTheApp->SetExitOnFrameDelete(FALSE);
+
+ // init the app
+ retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
+
+ // restore the old flag value
+ wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+
+ if ( retValue == 0 )
+ {
+ if ( enterLoop )
+ {
+ // run the main loop
+ retValue = wxTheApp->OnRun();
+ }
+ else
+ {
+ // we want to initialize, but not run or exit immediately.
+ return 1;
+ }
+ }
+ //else: app initialization failed, so we skipped OnRun()
+
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if ( topWindow )
+ {
+ // Forcibly delete the window.
+ if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+ topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+ {
+ topWindow->Close(TRUE);
+ wxTheApp->DeletePendingObjects();
+ }
+ else
+ {
+ delete topWindow;
+ wxTheApp->SetTopWindow(NULL);
+ }
+ }
+
+ wxTheApp->OnExit();
+
+ wxEntryCleanup();
+
+ return retValue;
+
+#if wxUSE_ON_FATAL_EXCEPTION
+ }
+ __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
+ : EXCEPTION_CONTINUE_SEARCH ) {
+ if ( wxTheApp )
+ {
+ // give the user a chance to do something special about this
+ wxTheApp->OnFatalException();
+ }
+
+ ::ExitProcess(3); // the same exit code as abort()
+
+ // NOTREACHED
+ }
+#endif // wxUSE_ON_FATAL_EXCEPTION
}
+// restore warning state
+#ifdef __VISUALC__
+ #pragma warning(default: 4715) // not all control paths return a value
+#endif // Visual C++
+
#else /* _WINDLL */
-//// Entry point for DLLs
+//----------------------------------------------------------------------
+// Entry point for wxWindows + the App in a DLL
+//----------------------------------------------------------------------
int wxEntry(WXHINSTANCE hInstance)
{
- wxhInstance = (HINSTANCE) hInstance;
- wxApp::Initialize();
+ wxhInstance = (HINSTANCE) hInstance;
+ wxEntryStart(0, 0);
- // The app may have declared a global application object, but we recommend
- // the IMPLEMENT_APP macro is used instead, which sets an initializer function
- // for delayed, dynamic app object construction.
-
- 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()) ();
- }
+ wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
- if (!wxTheApp) {
- MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
+ wxTheApp->argc = 0;
+ wxTheApp->argv = NULL;
- wxTheApp->argc = 0;
- wxTheApp->argv = NULL;
+ wxEntryInitGui();
- wxTheApp->OnInitGui();
+ wxTheApp->OnInit();
- wxTheApp->OnInit();
-
- if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
- wxTheApp->GetTopWindow()->Show(TRUE);
- }
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if ( topWindow && topWindow->GetHWND())
+ {
+ topWindow->Show(TRUE);
+ }
- return 1;
+ return 1;
}
#endif // _WINDLL
//// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_className = "";
- m_wantDebugOutput = TRUE ;
- m_appName = "";
- argc = 0;
- argv = NULL;
-#ifdef __WXMSW__
- m_printMode = wxPRINT_WINDOWS;
-#else
- m_printMode = wxPRINT_POSTSCRIPT;
-#endif
- m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
+ argc = 0;
+ argv = NULL;
+ m_printMode = wxPRINT_WINDOWS;
+ m_auto3D = TRUE;
}
wxApp::~wxApp()
{
- // Delete command-line args
- int i;
- for (i = 0; i < argc; i++)
- {
- delete[] argv[i];
- }
- delete[] argv;
+ // Delete command-line args
+ int i;
+ for (i = 0; i < argc; i++)
+ {
+ delete[] argv[i];
+ }
+ delete[] argv;
}
bool wxApp::Initialized()
{
#ifndef _WINDLL
- if (GetTopWindow())
+ if (GetTopWindow())
+ return TRUE;
+ else
+ return FALSE;
+#else // Assume initialized if DLL (no way of telling)
return TRUE;
- else
- return FALSE;
-#endif
-#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
- return TRUE;
#endif
}
/*
* Get and process a message, returning FALSE if WM_QUIT
- * received.
+ * received (and also set the flag telling the app to exit the main loop)
*
*/
bool wxApp::DoMessage()
{
- if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
- {
- return FALSE;
- }
-
- // Process the message
- if (!ProcessMessage((WXMSG *)&s_currentMsg))
- {
- ::TranslateMessage(&s_currentMsg);
- wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
- ::DispatchMessage(&s_currentMsg);
- }
- return TRUE;
+ BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
+ if ( rc == 0 )
+ {
+ // got WM_QUIT
+ m_keepGoing = FALSE;
+
+ return FALSE;
+ }
+ else if ( rc == -1 )
+ {
+ // should never happen, but let's test for it nevertheless
+ wxLogLastError(wxT("GetMessage"));
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ wxT("only the main thread can process Windows messages") );
+
+ static bool s_hadGuiLock = TRUE;
+ static wxMsgArray s_aSavedMessages;
+
+ // if a secondary thread owns is doing GUI calls, save all messages for
+ // later processing - we can't process them right now because it will
+ // lead to recursive library calls (and we're not reentrant)
+ if ( !wxGuiOwnedByMainThread() )
+ {
+ s_hadGuiLock = FALSE;
+
+ // leave out WM_COMMAND messages: too dangerous, sometimes
+ // the message will be processed twice
+ if ( !wxIsWaitingForThread() ||
+ s_currentMsg.message != WM_COMMAND )
+ {
+ s_aSavedMessages.Add(s_currentMsg);
+ }
+
+ return TRUE;
+ }
+ else
+ {
+ // have we just regained the GUI lock? if so, post all of the saved
+ // messages
+ //
+ // FIXME of course, it's not _exactly_ the same as processing the
+ // messages normally - expect some things to break...
+ if ( !s_hadGuiLock )
+ {
+ s_hadGuiLock = TRUE;
+
+ size_t count = s_aSavedMessages.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ MSG& msg = s_aSavedMessages[n];
+
+ if ( !ProcessMessage((WXMSG *)&msg) )
+ {
+ ::TranslateMessage(&msg);
+ ::DispatchMessage(&msg);
+ }
+ }
+
+ s_aSavedMessages.Empty();
+ }
+ }
+#endif // wxUSE_THREADS
+
+ // Process the message
+ DoMessage((WXMSG *)&s_currentMsg);
+ }
+
+ return TRUE;
+}
+
+void wxApp::DoMessage(WXMSG *pMsg)
+{
+ if ( !ProcessMessage(pMsg) )
+ {
+ ::TranslateMessage((MSG *)pMsg);
+ ::DispatchMessage((MSG *)pMsg);
+ }
}
/*
int wxApp::MainLoop()
{
- m_keepGoing = TRUE;
- while (m_keepGoing)
- {
- while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle()) {}
- if (!DoMessage())
- m_keepGoing = FALSE;
- }
-
- return s_currentMsg.wParam;
+ m_keepGoing = TRUE;
+
+ while ( m_keepGoing )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+ while ( !Pending() && ProcessIdle() )
+ ;
+
+ // a message came or no more idle processing to do
+ DoMessage();
+ }
+
+ return s_currentMsg.wParam;
}
// Returns TRUE if more time is needed.
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ // VZ: why not ::PostQuitMessage()?
+ m_keepGoing = FALSE;
}
bool wxApp::Pending()
{
- return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
+ return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
}
void wxApp::Dispatch()
{
- if (!DoMessage())
- m_keepGoing = FALSE;
+ DoMessage();
}
/*
* the message. Some may have accelerator tables, or have
* MDI complications.
*/
-bool wxApp::ProcessMessage(WXMSG *Msg)
+
+bool wxApp::ProcessMessage(WXMSG *wxmsg)
{
- MSG *msg = (MSG *)Msg;
+ MSG *msg = (MSG *)wxmsg;
+ HWND hwnd = msg->hwnd;
+ wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+ // this may happen if the event occured in a standard modeless dialog (the
+ // only example of which I know of is the find/replace dialog) - then call
+ // IsDialogMessage() to make TAB navigation in it work
+ if ( !wndThis )
+ {
+ // we need to find the dialog containing this control as
+ // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
+ // them) if we call it for the control itself
+ while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+ {
+ hwnd = ::GetParent(hwnd);
+ }
- HWND hWnd;
+ return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+ }
- // Try translations first; find the youngest window with
- // a translation table.
- for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
- {
- wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
- if (wnd)
+#if wxUSE_TOOLTIPS
+ // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
+ // popup the tooltip bubbles
+ if ( (msg->message == WM_MOUSEMOVE) )
{
- if (wnd->MSWTranslateMessage(Msg))
- return TRUE;
+ wxToolTip *tt = wndThis->GetToolTip();
+ if ( tt )
+ {
+ tt->RelayEvent(wxmsg);
+ }
}
- }
+#endif // wxUSE_TOOLTIPS
- // Anyone for a non-translation message? Try youngest descendants first.
- for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
- {
- wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
- if (wnd)
+ // allow the window to prevent certain messages from being
+ // translated/processed (this is currently used by wxTextCtrl to always
+ // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+ if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
{
- if (wnd->MSWProcessMessage(Msg))
- return TRUE;
+ return FALSE;
}
- }
- return FALSE;
-}
-void wxApp::OnIdle(wxIdleEvent& event)
-{
- static bool inOnIdle = FALSE;
+ // try translations first: the accelerators override everything
+ wxWindow *wnd;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
-
- inOnIdle = TRUE;
-
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->MSWTranslateMessage(wxmsg))
+ return TRUE;
+
+ // stop at first top level window, i.e. don't try to process the key
+ // strokes originating in a dialog using the accelerators of the parent
+ // frame - this doesn't make much sense
+ if ( wnd->IsTopLevel() )
+ break;
+ }
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // now try the other hooks (kbd navigation is handled here): we start from
+ // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+ // called above
+ for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->MSWProcessMessage(wxmsg) )
+ return TRUE;
+ }
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-// bool needMore = FALSE;
+ // no special preprocessing for this message, dispatch it normally
+ return FALSE;
+}
- if (needMore)
- event.RequestMore(TRUE);
+void wxApp::OnIdle(wxIdleEvent& event)
+{
+ static bool s_inOnIdle = FALSE;
+
+ // Avoid recursion (via ProcessEvent default case)
+ if ( s_inOnIdle )
+ return;
+
+ s_inOnIdle = TRUE;
+
+ // If there are pending events, we must process them: pending events
+ // are either events to the threads other than main or events posted
+ // with wxPostEvent() functions
+ // GRG: I have moved this here so that all pending events are processed
+ // before starting to delete any objects. This behaves better (in
+ // particular, wrt wxPostEvent) and is coherent with wxGTK's current
+ // behaviour. Changed Feb/2000 before 2.1.14
+ ProcessPendingEvents();
+
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+#if wxUSE_DC_CACHEING
+ // automated DC cache management: clear the cached DCs and bitmap
+ // if it's likely that the app has finished with them, that is, we
+ // get an idle event and we're not dragging anything.
+ if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+ wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+
+ // Send OnIdle events to all windows
+ if ( SendIdleEvents() )
+ {
+ // SendIdleEvents() returns TRUE if at least one window requested more
+ // idle events
+ event.RequestMore(TRUE);
+ }
- inOnIdle = FALSE;
+ s_inOnIdle = FALSE;
}
// Send idle event to all top-level windows
bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
+ node = node->GetNext();
+ }
- node = node->Next();
- }
return needMore;
}
// Send idle event to window and all subwindows
bool wxApp::SendIdleEvents(wxWindow* win)
{
- bool needMore = FALSE;
+ bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->GetEventHandler()->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
- if (event.MoreRequested())
- needMore = TRUE;
+ if (event.MoreRequested())
+ needMore = TRUE;
- wxNode* node = win->GetChildren().First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if (SendIdleEvents(win))
+ needMore = TRUE;
- node = node->Next();
- }
- return needMore ;
+ node = node->Next();
+ }
+ return needMore;
}
void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
+ wxNode *node = wxPendingDelete.First();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->Data();
- delete obj;
+ delete obj;
- if (wxPendingDelete.Member(obj))
- delete node;
+ if (wxPendingDelete.Member(obj))
+ delete node;
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- node = wxPendingDelete.First();
- }
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.First();
+ }
}
-void wxApp::OnEndSession(wxCloseEvent& event)
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
if (GetTopWindow())
GetTopWindow()->Close(TRUE);
}
}
-wxLog* wxApp::CreateLogTarget()
-{
- return new wxLogGui;
-}
-
-wxWindow* wxApp::GetTopWindow() const
+/* static */
+int wxApp::GetComCtl32Version()
{
- 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;
+
+ // disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ wxLog::Suspend();
+
+ if ( s_inYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return FALSE;
+ }
+
+ s_inYield = TRUE;
+
+ // we don't want to process WM_QUIT from here - it should be processed in
+ // the main event loop in order to stop it
+ MSG msg;
+ while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
+ msg.message != WM_QUIT )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+ if ( !wxTheApp->DoMessage() )
+ break;
+ }
+
+ // if there are pending events, we must process them.
+ ProcessPendingEvents();
+
+ // let the logs be flashed again
+ wxLog::Resume();
+
+ s_inYield = FALSE;
+
+ return TRUE;
+}
+
+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__)
- #include "main.cpp"
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
+#include "main.cpp"
#endif
projects / wxWidgets.git / blobdiff