// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// 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"
#endif
#include "wx/msw/private.h"
-#include "wx/postscrp.h"
#include "wx/log.h"
#include "wx/module.h"
-#if USE_WX_RESOURCES
-#include "wx/resource.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+
+ // define the array of MSG strutures
+ WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+ #include "wx/arrimpl.cpp"
+
+ WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
+
+#if wxUSE_WX_RESOURCES
+ #include "wx/resource.h"
#endif
+// OLE is used for drag-and-drop, clipboard, OLE Automation...
+#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__)
+ #undef wxUSE_OLE
-#include <string.h>
+ #define wxUSE_OLE 0
+#endif // broken compilers
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
-#include <commctrl.h>
+#if wxUSE_OLE
+ #include <ole2.h>
#endif
-// use debug CRT functions for memory leak detections in VC++
-/* Doesn't work when using the makefiles, for some reason.
-#if defined(__WXDEBUG__) && defined(_MSC_VER)
- #include <crtdbg.h>
+#include <string.h>
+#include <ctype.h>
+
+#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
+ #include <commctrl.h>
#endif
-*/
+
+#include "wx/msw/msvcrt.h"
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
extern char *wxBuffer;
extern char *wxOsVersion;
extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
+extern wxList WXDLLEXPORT wxPendingDelete;
+#if wxUSE_THREADS
+extern wxList *wxPendingEvents;
+extern wxCriticalSection *wxPendingEventsLocker;
+#endif
extern void wxSetKeyboardHook(bool doIt);
extern wxCursor *g_globalCursor;
static MSG s_currentMsg;
wxApp *wxTheApp = NULL;
+// FIXME 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 wxSTD_FRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
-HICON wxDEFAULT_FRAME_ICON = NULL;
-HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
-HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
+HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
-HBRUSH wxDisableButtonBrush = 0;
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+#if defined(__WIN95__) && !defined(__TWIN32__)
+ #define wxUSE_RICHEDIT 1
+#else
+ #define wxUSE_RICHEDIT 0
+#endif
+
+#if wxUSE_RICHEDIT
+ static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL;
+#endif
+
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// wxApp
+// ---------------------------------------------------------------------------
+
#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+ IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
+ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+ END_EVENT_TABLE()
#endif
long wxApp::sm_lastMessageTime = 0;
-#ifdef __WIN95__
-static HINSTANCE gs_hRichEdit = NULL;
+//// Initialize
+bool wxApp::Initialize()
+{
+ // Some people may wish to use this, but
+ // probably it shouldn't be here by default.
+#ifdef __WXDEBUG__
+ // wxRedirectIOToConsole();
#endif
-bool wxApp::Initialize(WXHINSTANCE instance)
-{
- HINSTANCE hInstance = (HINSTANCE) instance;
+ wxBuffer = new char[1500]; // FIXME
- CommonInit();
+ wxClassInfo::InitializeClasses();
-#if defined(__WIN95__)
- InitCommonControls();
- gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+#if wxUSE_RESOURCES
+ wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+#endif
- if (gs_hRichEdit == NULL)
- {
- wxMessageBox("Could not initialise Rich Edit DLL");
- }
+ // 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.
+#if wxUSE_THREADS
+ wxPendingEvents = new wxList();
+ wxPendingEventsLocker = new wxCriticalSection();
#endif
-#if defined(WX_DRAG_DROP)
- // we need to initialize OLE library
- if ( FAILED(::OleInitialize(NULL)) )
- wxFatalError(_("Cannot initialize OLE"));
+ wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+ wxTheColourDatabase->Initialize();
+
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
+
+#if wxUSE_WX_RESOURCES
+ wxInitializeResourceSystem();
#endif
-#if CTL3D
- if (!Ctl3dRegister(hInstance))
- wxFatalError("Cannot register CTL3D");
+ wxBitmap::InitStandardHandlers();
+
+#if defined(__WIN95__)
+ InitCommonControls();
- Ctl3dAutoSubclass(hInstance);
+#if wxUSE_RICHEDIT
+ gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+
+ if (gs_hRichEdit == (HINSTANCE) NULL)
+ {
+ wxLogError(_("Could not initialise Rich Edit DLL"));
+ }
+#endif // wxUSE_RICHEDIT
+
+#endif // __WIN95__
+
+ // for OLE, enlarge message queue to be as large as possible
+ int iMsg = 96;
+ while (!SetMessageQueue(iMsg) && (iMsg -= 8));
+
+ /*
+ DWORD dwOleVer;
+ dwOleVer = CoBuildVersion();
+
+ // check the OLE library version
+ if (rmm != HIWORD(dwOleVer))
+ {
+ wxMessageBox("Incorrect version of OLE libraries.");
+ return FALSE;
+ }
+ */
+
+#if wxUSE_OLE
+ // we need to initialize OLE library
+ if ( FAILED(::OleInitialize(NULL)) )
+ wxLogError(_("Cannot initialize OLE"));
+#endif
+
+#if wxUSE_CTL3D
+ if (!Ctl3dRegister(wxhInstance))
+ wxLogError("Cannot register CTL3D");
+
+ Ctl3dAutoSubclass(wxhInstance);
#endif
- wxSTD_FRAME_ICON = LoadIcon(hInstance, "wxSTD_FRAME");
- wxSTD_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDIPARENTFRAME");
- wxSTD_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDICHILDFRAME");
+ g_globalCursor = new wxCursor;
- wxDEFAULT_FRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_FRAME");
- wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDIPARENTFRAME");
- wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDICHILDFRAME");
+ wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME");
+ wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME");
+ wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME");
- RegisterWindowClasses();
+ wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME");
+ wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME");
+ wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME");
- // Create the brush for disabling bitmap buttons
+ RegisterWindowClasses();
- LOGBRUSH lb ;
- lb.lbStyle = BS_PATTERN;
- lb.lbHatch = (int)LoadBitmap( hInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
- wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
- ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+ // Create the brush for disabling bitmap buttons
-#if USE_PENWINDOWS
- wxRegisterPenWin();
+ LOGBRUSH lb ;
+ lb.lbStyle = BS_PATTERN;
+ lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
+ wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
+ ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+
+#if wxUSE_PENWINDOWS
+ wxRegisterPenWin();
#endif
- wxWinHandleList = new wxList(wxKEY_INTEGER);
+ wxWinHandleList = new wxList(wxKEY_INTEGER);
- // This is to foil optimizations in Visual C++ that
- // throw out dummy.obj.
-#if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
- extern char wxDummyChar;
- if (wxDummyChar) wxDummyChar++;
+ // This is to foil optimizations in Visual C++ that throw out dummy.obj.
+ // PLEASE DO NOT ALTER THIS.
+#if defined(__VISUALC__) && !defined(WXMAKINGDLL)
+ extern char wxDummyChar;
+ if (wxDummyChar) wxDummyChar++;
#endif
- wxSetKeyboardHook(TRUE);
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules())
- return FALSE;
- return TRUE;
+ wxSetKeyboardHook(TRUE);
+
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules())
+ return FALSE;
+ return TRUE;
}
+//// RegisterWindowClasses
+
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;
+ ///////////////////////////////////////////////////////////////////////
+ // Register the frame window class.
+ WNDCLASS wndclass; // Structure used to register Windows class.
+
+ wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
+ wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass.cbClsExtra = 0;
+ wndclass.cbWndExtra = sizeof( DWORD ); // was 4
+ wndclass.hInstance = wxhInstance;
+ wndclass.hIcon = (HICON) NULL; // wxSTD_FRAME_ICON;
+ wndclass.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
+ wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
+ // wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
+ wndclass.lpszMenuName = NULL;
#ifdef _MULTIPLE_INSTANCES
- sprintf( wxFrameClassName,"wxFrameClass%d", hInstance );
+ 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.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 | CS_DBLCLKS ;
+ wndclass1.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass1.cbClsExtra = 0;
+ wndclass1.cbWndExtra = sizeof( DWORD ); // was 4
+ wndclass1.hInstance = wxhInstance;
+ wndclass1.hIcon = (HICON) NULL; // wxSTD_MDIPARENTFRAME_ICON;
+ wndclass1.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
+ // wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
+ wndclass1.hbrBackground = (HBRUSH) NULL;
+ wndclass1.lpszMenuName = NULL;
+
+ wndclass1.lpszClassName = wxMDIFrameClassName;
+ if (!RegisterClass( &wndclass1 ))
+ {
+ // wxFatalError("Can't register MDI Frame window class");
+ // return FALSE;
+ }
+
+ ///////////////////////////////////////////////////////////////////////
+ // Register the MDI child frame window class.
+ WNDCLASS wndclass4; // Structure used to register Windows class.
+
+ wndclass4.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
+ wndclass4.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass4.cbClsExtra = 0;
+ wndclass4.cbWndExtra = sizeof( DWORD ); // was 4
+ wndclass4.hInstance = wxhInstance;
+ wndclass4.hIcon = (HICON) NULL; // wxSTD_MDICHILDFRAME_ICON;
+ wndclass4.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
+ // TODO: perhaps this should be NULL so that Windows doesn't
+ // paint the background itself (would OnEraseBackground duplicate
+ // this?)
+ wndclass4.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
+ // wndclass4.hbrBackground = NULL;
+ wndclass4.lpszMenuName = NULL;
+ wndclass4.lpszClassName = wxMDIChildFrameClassName;
+
+ if (!RegisterClass( &wndclass4 ))
+ {
+ // wxFatalError("Can't register MDI child frame window class");
+ // return FALSE;
+ }
+
+ ///////////////////////////////////////////////////////////////////////
+ // Register the panel window class.
+ WNDCLASS wndclass2; // Structure used to register Windows class.
+ memset(&wndclass2, 0, sizeof(WNDCLASS)); // start with NULL defaults
+ wndclass2.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
+ wndclass2.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass2.cbClsExtra = 0;
+ wndclass2.cbWndExtra = sizeof( DWORD ); // was 4
+ wndclass2.hInstance = wxhInstance;
+ wndclass2.hIcon = (HICON) NULL;
+ wndclass2.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
+ // wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
+ wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
+ wndclass2.lpszMenuName = NULL;
+ wndclass2.lpszClassName = wxPanelClassName;
+ if (!RegisterClass( &wndclass2 ))
+ {
+ // wxFatalError("Can't register Panel Window class");
+ // return FALSE;
+ }
+
+ ///////////////////////////////////////////////////////////////////////
+ // Register the canvas and textsubwindow class name
+ WNDCLASS wndclass3; // Structure used to register Windows class.
+ memset(&wndclass3, 0, sizeof(WNDCLASS)); // start with NULL defaults
+ // Use CS_OWNDC to avoid messing about restoring the context
+ // for every graphic operation.
+ // wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
+ // wxWin 2.0
+ wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
+ wndclass3.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass3.cbClsExtra = 0;
+ wndclass3.cbWndExtra = sizeof( DWORD ); // was 4
+ wndclass3.hInstance = wxhInstance;
+ wndclass3.hIcon = (HICON) NULL;
+ wndclass3.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
+ // wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
+ wndclass3.hbrBackground = (HBRUSH) NULL;
+ wndclass3.lpszMenuName = NULL;
+ wndclass3.lpszClassName = wxCanvasClassName;
+ if (!RegisterClass( &wndclass3))
+ {
+ // wxFatalError("Can't register Canvas class");
+ // return FALSE;
+ }
+
+ return TRUE;
}
-// Cleans up any wxWindows internal structures left lying around
+//// Convert Windows to argc, argv style
+
+void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
+{
+ wxStringList args;
+
+ wxString cmdLine(lpCmdLine);
+ int count = 0;
+
+ // Get application name
+ char name[260]; // 260 is MAX_PATH value from windef.h
+ ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
+
+ args.Add(name);
+ count++;
+
+ strcpy(name, wxFileNameFromPath(name));
+ wxStripExtension(name);
+ wxTheApp->SetAppName(name);
+
+ // Break up string
+ // Treat strings enclosed in double-quotes as single arguments
+ int i = 0;
+ int len = cmdLine.Length();
+ while (i < len)
+ {
+ // Skip whitespace
+ while ((i < len) && isspace(cmdLine.GetChar(i)))
+ i ++;
+
+ 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 ++;
+
+ wxString arg(cmdLine.Mid(first, (i - first)));
+
+ args.Add(arg);
+ count ++;
+
+ if (i < len)
+ i ++; // Skip past 2nd quote
+ }
+ else // Unquoted argument
+ {
+ int first = i;
+ while ((i < len) && !isspace(cmdLine.GetChar(i)))
+ i ++;
+
+ wxString arg(cmdLine.Mid(first, (i - first)));
+
+ args.Add(arg);
+ count ++;
+ }
+ }
+ }
+
+ wxTheApp->argv = new char*[count + 1];
+ for (i = 0; i < count; i++)
+ {
+ wxString arg(args[i]);
+ wxTheApp->argv[i] = copystring((const char*)arg);
+ }
+ wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
+ wxTheApp->argc = count;
+}
+
+//// Cleans up any wxWindows internal structures left lying around
+
void wxApp::CleanUp()
{
- wxModule::CleanUpModules();
+ //// COMMON CLEANUP
- CommonCleanUp();
+ // 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();
- wxSetKeyboardHook(FALSE);
+ // this will flush the old messages if any
+ delete wxLog::SetActiveTarget(new wxLogStderr);
-#ifdef __WIN95__
- if (gs_hRichEdit != NULL)
- FreeLibrary(gs_hRichEdit);
-#endif
+ // One last chance for pending objects to be cleaned up
+ wxTheApp->DeletePendingObjects();
-#if USE_PENWINDOWS
- wxCleanUpPenWin();
-#endif
+ wxModule::CleanUpModules();
- 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(WX_DRAG_DROP)
- ::OleUninitialize();
-#endif
+#if wxUSE_WX_RESOURCES
+ wxCleanUpResourceSystem();
-#if CTL3D
- Ctl3dUnregister(wxhInstance);
+ // wxDefaultResourceTable->ClearTable();
#endif
- if (wxWinHandleList)
- delete wxWinHandleList ;
+ // Indicate that the cursor can be freed, so that cursor won't be deleted
+ // by deleting the bitmap list before g_globalCursor goes out of scope
+ // (double deletion of the cursor).
+ wxSetCursor(wxNullCursor);
+ delete g_globalCursor;
+ g_globalCursor = NULL;
- wxClassInfo::CleanUpClasses();
+ wxDeleteStockObjects() ;
- // do it as the very last thing because everything else can log messages
- wxLog::DontCreateOnDemand();
- delete wxLog::SetActiveTarget(NULL);
-}
+ // Destroy all GDI lists, etc.
+ wxDeleteStockLists();
-void wxApp::CommonInit()
-{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
-#endif
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
- wxClassInfo::InitializeClasses();
+ wxBitmap::CleanUpHandlers();
-#if USE_RESOURCES
- wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
-#endif
+ delete[] wxBuffer;
+ wxBuffer = NULL;
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ //// WINDOWS-SPECIFIC CLEANUP
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ wxSetKeyboardHook(FALSE);
-#if USE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
+#ifdef __WIN95__
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+#if wxUSE_RICHEDIT
+ if (gs_hRichEdit != (HINSTANCE) NULL)
+ FreeLibrary(gs_hRichEdit);
#endif
- wxBitmap::InitStandardHandlers();
+#endif
- g_globalCursor = new wxCursor;
-}
+#if wxUSE_PENWINDOWS
+ wxCleanUpPenWin();
+#endif
-void wxApp::CommonCleanUp()
-{
-#if USE_WX_RESOURCES
- wxCleanUpResourceSystem();
+ 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
-// wxDefaultResourceTable->ClearTable();
+#if wxUSE_CTL3D
+ Ctl3dUnregister(wxhInstance);
#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;
+ if (wxWinHandleList)
+ delete wxWinHandleList ;
- wxDeleteStockObjects() ;
+ // 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.
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ delete wxPendingEventsLocker;
+#endif
- // Destroy all GDI lists, etc.
- wxDeleteStockLists();
+ wxClassInfo::CleanUpClasses();
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+ delete wxTheApp;
+ wxTheApp = NULL;
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData(FALSE);
- delete wxThePrintPaperDatabase;
- wxThePrintPaperDatabase = NULL;
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ // At this point we want to check if there are any memory
+ // blocks that aren't part of the wxDebugContext itself,
+ // as a special case. Then when dumping we need to ignore
+ // wxDebugContext, too.
+ if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+ {
+ wxLogDebug("There were memory leaks.");
+ wxDebugContext::Dump();
+ wxDebugContext::PrintStatistics();
+ }
+ // wxDebugContext::SetStream(NULL, NULL);
#endif
- wxBitmap::CleanUpHandlers();
-
- delete[] wxBuffer;
- wxBuffer = NULL;
+ // do it as the very last thing because everything else can log messages
+ delete wxLog::SetActiveTarget(NULL);
}
#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
-// Main wxWindows entry point
-
-int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *m_lpCmdLine,
- int nCmdShow, bool enterLoop)
+// 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)
{
- wxhInstance = (HINSTANCE) hInstance;
-
-/* Doesn't work when using the makefiles, for some reason.
- #if defined(__WXDEBUG__) && defined(_MSC_VER)
// do check for memory leaks on program exit
// (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
// deallocated memory which may be used to simulate low-memory condition)
- _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
- #endif // debug build under MS VC++
-*/
+ wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+ // take everything into a try-except block in release build
+ // FIXME other compilers must support Win32 SEH (structured exception
+ // handling) too, just find the appropriate keyword in their docs!
+ // Please note that it's _not_ the same as C++ exceptions!
+#if !defined(__WXDEBUG__) && defined(__VISUALC__)
+ #define CATCH_PROGRAM_EXCEPTIONS
-#if !defined(_WINDLL)
- streambuf* sBuf = new wxDebugStreamBuf;
+ __try {
#else
- streambuf* sBuf = NULL;
-#endif
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
-
-#endif // USE_MEMORY_TRACING
-
- if (!wxApp::Initialize((WXHINSTANCE) wxhInstance))
- return 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())
- {
- MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
-
- wxTheApp = (* wxApp::GetInitializerFunction()) ();
- }
-
- if (!wxTheApp) {
- MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
-
- // Split command line into tokens, as in usual main(argc, argv)
- char **command = new char*[50];
-
- int count = 0;
- char *buf = new char[strlen(m_lpCmdLine) + 1];
-
- // Hangs around until end of app. in case
- // user carries pointers to the tokens
-
- /* Model independent strcpy */
- int i;
- for (i = 0; (buf[i] = m_lpCmdLine[i]) != 0; i++)
- {
- /* loop */;
- }
-
- // Get application name
- char name[200];
- ::GetModuleFileName(wxhInstance, name, 199);
-
- // Is it only 16-bit Borland that already copies the program name
- // to the first argv index?
-#if !defined(__GNUWIN32__)
-// #if ! (defined(__BORLANDC__) && !defined(__WIN32__))
- command[count++] = copystring(name);
-// #endif
+ #undef CATCH_PROGRAM_EXCEPTIONS
#endif
- strcpy(name, wxFileNameFromPath(name));
- wxStripExtension(name);
- wxTheApp->SetAppName(name);
-
- /* Break up string */
- // Treat strings enclosed in double-quotes as single arguments
- char* str = buf;
- while (*str)
- {
- while (*str && *str <= ' ') str++; // skip whitespace
- if (*str == '"')
- {
- str++;
- command[count++] = str;
- while (*str && *str != '"') str++;
- }
- else if (*str)
- {
- command[count++] = str;
- while (*str && *str > ' ') str++;
- }
- if (*str) *str++ = '\0';
- }
- command[count] = NULL; /* argv[] is NULL terminated list! */
-
- wxTheApp->argc = count;
- wxTheApp->argv = command;
- 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() ;
-
- if (!wxTheApp->OnInit())
- {
- wxTheApp->DeletePendingObjects();
+ 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
+ // 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();
+
wxApp::CleanUp();
- delete wxTheApp;
- wxTheApp = NULL;
-
- delete [] buf ;
-
- // TODO: This should really be cleaned up in ~wxApp
- delete [] command[0] ;
- delete [] command ;
- return 0;
- }
-
- if (!enterLoop)
- return 0;
-
- int retValue = 1;
-
-/* New behaviour - leave it to the app to show the top window
- if (wxTheApp->GetTopWindow()) {
- // show the toplevel frame, only if we are not iconized (from MS-Windows)
- if(wxTheApp->GetShowFrameOnInit() && (nCmdShow!=SW_HIDE)) wxTheApp->GetTopWindow()->Show(TRUE);
- }
-*/
-
- retValue = wxTheApp->OnRun();
-
- if (wxTheApp->GetTopWindow())
- {
- // Forcibly delete the window.
- if (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
- wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog)))
- {
- wxTheApp->GetTopWindow()->Close(TRUE);
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete wxTheApp->GetTopWindow();
- wxTheApp->SetTopWindow(NULL);
- }
- }
-
- wxTheApp->OnExit();
- wxApp::CleanUp();
-
- delete wxTheApp;
- wxTheApp = NULL;
-
- delete [] buf ;
- delete [] command[0] ;
- delete [] command ;
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
- // At this point we want to check if there are any memory
- // blocks that aren't part of the wxDebugContext itself,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
-#endif
+ return retValue;
- return retValue;
+#ifdef CATCH_PROGRAM_EXCEPTIONS
+ }
+ __except ( EXCEPTION_EXECUTE_HANDLER ) {
+ /*
+ if ( wxTheApp )
+ wxTheApp->OnFatalException();
+ */
+
+ // using wxLog would be unsafe here
+ ::MessageBox(NULL,
+ _("Unrecoverable program error detected: "
+ " the application will terminate."),
+ _("Fatal Error"),
+ MB_APPLMODAL | MB_ICONSTOP | MB_OK);
+
+ ::ExitProcess(3); // the same exit code as abort()
+
+ // NOTREACHED
+ }
+#endif // CATCH_PROGRAM_EXCEPTIONS
}
+// 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
+
int wxEntry(WXHINSTANCE hInstance)
{
- wxhInstance = (HINSTANCE) hInstance;
- wxApp::Initialize((WXHINSTANCE) wxhInstance);
+ 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;
- }
+ // 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)
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
+ "No initializer - use IMPLEMENT_APP macro." );
- wxTheApp = (* wxApp::GetInitializerFunction()) ();
- }
+ wxTheApp = (* wxApp::GetInitializerFunction()) ();
+ }
- if (!wxTheApp) {
- MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
+ wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
- wxTheApp->argc = 0;
- wxTheApp->argv = NULL;
+ wxTheApp->argc = 0;
+ wxTheApp->argv = NULL;
- wxTheApp->OnInitGui();
+ 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
+//// Static member initialization
+
wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
-// work_proc = NULL ;
- m_className = "";
-// m_resourceCollection = TRUE;
-// m_pendingCleanup = FALSE;
- m_wantDebugOutput = TRUE ;
- m_appName = "";
- argc = 0;
- argv = NULL;
+ m_topWindow = NULL;
+ wxTheApp = this;
+ m_className = "";
+ m_wantDebugOutput = TRUE ;
+ m_appName = "";
+ argc = 0;
+ argv = NULL;
#ifdef __WXMSW__
- m_printMode = wxPRINT_WINDOWS;
+ m_printMode = wxPRINT_WINDOWS;
#else
- m_printMode = wxPRINT_POSTSCRIPT;
+ m_printMode = wxPRINT_POSTSCRIPT;
#endif
- m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
+ m_exitOnFrameDelete = TRUE;
+ m_auto3D = TRUE;
+}
+
+wxApp::~wxApp()
+{
+ // Delete command-line args
+ int i;
+ for (i = 0; i < argc; i++)
+ {
+ delete[] argv[i];
+ }
+ delete[] argv;
}
bool wxApp::Initialized()
{
#ifndef _WINDLL
- if (GetTopWindow())
- return TRUE;
- else
- return FALSE;
+ if (GetTopWindow())
+ return TRUE;
+ else
+ return FALSE;
#endif
#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
- return TRUE;
+ 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("GetMessage");
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ "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
+ if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
+ {
+ ::TranslateMessage(&s_currentMsg);
+ wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
+ ::DispatchMessage(&s_currentMsg);
+ }
+ }
+
+ return TRUE;
}
/*
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 ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
+ ProcessIdle() )
+ {
+ }
+
+
+ DoMessage();
+
+ // If they are pending events, we must process them.
+#if wxUSE_THREADS
+ ProcessPendingEvents();
+#endif
+ }
+
+ return s_currentMsg.wParam;
}
// Returns TRUE if more time is needed.
return event.MoreRequested();
}
+#if wxUSE_THREADS
+void wxApp::ProcessPendingEvents()
+{
+ wxNode *node = wxPendingEvents->First();
+ wxCriticalSectionLocker locker(*wxPendingEventsLocker);
+
+ while (node)
+ {
+ wxEvtHandler *handler = (wxEvtHandler *)node->Data();
+
+ handler->ProcessPendingEvents();
+
+ delete node;
+ node = wxPendingEvents->First();
+ }
+}
+#endif
+
+
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ 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)
-{
- MSG *msg = (MSG *)Msg;
- HWND hWnd;
+bool wxApp::ProcessMessage(WXMSG *wxmsg)
+{
+ MSG *msg = (MSG *)wxmsg;
+ HWND hWnd = msg->hwnd;
+ wxWindow *wndThis = wxFindWinFromHandle((WXHWND)hWnd), *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)
+ // Try translations first; find the youngest window with
+ // a translation table.
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
{
- if (wnd->MSWTranslateMessage(Msg))
- return TRUE;
+ if ( wnd->MSWTranslateMessage(wxmsg) )
+ return TRUE;
}
- }
- // 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)
+ // Anyone for a non-translation message? Try youngest descendants first.
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
{
- if (wnd->MSWProcessMessage(Msg))
- return TRUE;
+ if ( wnd->MSWProcessMessage(wxmsg) )
+ return TRUE;
}
- }
- return FALSE;
+
+ return FALSE;
}
void wxApp::OnIdle(wxIdleEvent& event)
{
- static bool inOnIdle = FALSE;
-
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ static bool s_inOnIdle = FALSE;
- inOnIdle = TRUE;
+ // Avoid recursion (via ProcessEvent default case)
+ if ( s_inOnIdle )
+ return;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ s_inOnIdle = TRUE;
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-// bool needMore = FALSE;
+ // flush the logged messages if any
+ wxLog *pLog = wxLog::GetActiveTarget();
+ if ( pLog != NULL && pLog->HasPendingMessages() )
+ pLog->Flush();
- if (needMore)
- event.RequestMore(TRUE);
+ // 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;
}
{
bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
if (event.MoreRequested())
needMore = TRUE;
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
+ 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();
+ }
}
-/*
-// Free up font objects that are not being used at present.
-bool wxApp::DoResourceCleanup()
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
-// wxDebugMsg("ResourceCleanup\n");
+ if (GetTopWindow())
+ GetTopWindow()->Close(TRUE);
+}
- if (wxTheFontList)
- {
- wxNode *node = wxTheFontList->First();
- while (node)
- {
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing font %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
- }
- }
- if (wxThePenList)
- {
- wxNode *node = wxThePenList->First();
- while (node)
- {
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing pen %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
- }
- }
- if (wxTheBrushList)
- {
- wxNode *node = wxTheBrushList->First();
- while (node)
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
+{
+ if (GetTopWindow())
{
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing brush %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
+ if (!GetTopWindow()->Close(!event.CanVeto()))
+ event.Veto(TRUE);
}
- }
-
- SetPendingCleanup(FALSE);
- return FALSE;
}
-*/
wxLog* wxApp::CreateLogTarget()
{
{
if (m_topWindow)
return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
+ else if (wxTopLevelWindows.GetCount() > 0)
+ return wxTopLevelWindows.GetFirst()->GetData();
else
return NULL;
}
if (! theProc)
{ // not found, must be 4.00
- version = 400;
+ version = 400;
}
else
{
- // 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;
- }
+ // 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;
+ }
}
}
return version;
void wxExit()
{
- wxApp::CleanUp();
- FatalAppExit(0, "Fatal error: exiting");
+ wxLogError(_("Fatal error: exiting"));
+
+ wxApp::CleanUp();
}
// 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;
+ 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()
{
- return wxhInstance;
+ return wxhInstance;
+}
+
+void wxSetInstance(HINSTANCE hInst)
+{
+ wxhInstance = hInst;
}
// For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
// if in a separate file. So include it here to ensure it's linked.
-#if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__))
#include "main.cpp"
#endif
-
projects / wxWidgets.git / blobdiff