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ConvertToStandardCommandArgs() was ugly, buggy and leaked memory (not bad

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for 10 lines of code). Now it's only ugly...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@757 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1998-09-19 21:01:01 +00:00
parent dfcb1ae09d
commit a5e0e655cb
1 changed files with 220 additions and 206 deletions
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426
src/msw/app.cpp
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@@ -6,33 +6,33 @@
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#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"
#endif
#include "wx/msw/private.h"
@@ -41,22 +41,25 @@
#include "wx/module.h"
#if USE_WX_RESOURCES
#include "wx/resource.h"
#include "wx/resource.h"
#endif
#include <string.h>
#include <ctype.h>
#if defined(__WIN95__) && !defined(__GNUWIN32__)
#include <commctrl.h>
#include <commctrl.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)
// VC++ uses this macro as debug/release mode indicator
#ifndef _DEBUG
#define _DEBUG
#endif
#include <crtdbg.h>
#endif
*/
extern char *wxBuffer;
extern char *wxOsVersion;
@@ -69,6 +72,7 @@ HINSTANCE wxhInstance = 0;
static MSG s_currentMsg;
wxApp *wxTheApp = NULL;
// @@ why not const? and not static?
char wxFrameClassName[] = "wxFrameClass";
char wxMDIFrameClassName[] = "wxMDIFrameClass";
char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
@@ -88,16 +92,17 @@ HBRUSH wxDisableButtonBrush = 0;
LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
#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)
END_EVENT_TABLE()
#endif
long wxApp::sm_lastMessageTime = 0;
#ifdef __WIN95__
static HINSTANCE gs_hRichEdit = NULL;
static HINSTANCE gs_hRichEdit = NULL;
#endif
//// Initialize
@@ -106,32 +111,29 @@ bool wxApp::Initialize()
{
wxBuffer = new char[1500];
/* 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++
*/
#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
#if defined(_WINDLL)
streambuf* sBuf = NULL;
#else // EXE
streambuf* sBuf = new wxDebugStreamBuf;
#endif // DLL
#if !defined(_WINDLL)
streambuf* sBuf = new wxDebugStreamBuf;
#else
streambuf* sBuf = NULL;
#endif
ostream* oStr = new ostream(sBuf) ;
wxDebugContext::SetStream(oStr, sBuf);
#endif // USE_MEMORY_TRACING
ostream* oStr = new ostream(sBuf) ;
wxDebugContext::SetStream(oStr, sBuf);
#endif // USE_MEMORY_TRACING
wxClassInfo::InitializeClasses();
#if USE_RESOURCES
wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
#endif
#if USE_RESOURCES
wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
#endif
wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
wxTheColourDatabase->Initialize();
@@ -139,41 +141,41 @@ bool wxApp::Initialize()
wxInitializeStockLists();
wxInitializeStockObjects();
#if USE_WX_RESOURCES
wxInitializeResourceSystem();
#endif
#if USE_WX_RESOURCES
wxInitializeResourceSystem();
#endif
// For PostScript printing
#if USE_POSTSCRIPT
wxInitializePrintSetupData();
wxThePrintPaperDatabase = new wxPrintPaperDatabase;
wxThePrintPaperDatabase->CreateDatabase();
#endif
#if USE_POSTSCRIPT
wxInitializePrintSetupData();
wxThePrintPaperDatabase = new wxPrintPaperDatabase;
wxThePrintPaperDatabase->CreateDatabase();
#endif
wxBitmap::InitStandardHandlers();
#if defined(__WIN95__)
InitCommonControls();
gs_hRichEdit = LoadLibrary("RICHED32.DLL");
#if defined(__WIN95__)
InitCommonControls();
gs_hRichEdit = LoadLibrary("RICHED32.DLL");
if (gs_hRichEdit == NULL)
{
wxMessageBox("Could not initialise Rich Edit DLL");
}
#endif
if (gs_hRichEdit == NULL)
{
wxMessageBox("Could not initialise Rich Edit DLL");
}
#endif
#if defined(WX_DRAG_DROP)
// we need to initialize OLE library
if ( FAILED(::OleInitialize(NULL)) )
wxFatalError(_("Cannot initialize OLE"));
#endif
#if defined(WX_DRAG_DROP)
// we need to initialize OLE library
if ( FAILED(::OleInitialize(NULL)) )
wxFatalError(_("Cannot initialize OLE"));
#endif
#if CTL3D
if (!Ctl3dRegister(wxhInstance))
wxFatalError("Cannot register CTL3D");
#if CTL3D
if (!Ctl3dRegister(wxhInstance))
wxFatalError("Cannot register CTL3D");
Ctl3dAutoSubclass(wxhInstance);
#endif
Ctl3dAutoSubclass(wxhInstance);
#endif
g_globalCursor = new wxCursor;
@@ -195,18 +197,19 @@ bool wxApp::Initialize()
wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
#if USE_PENWINDOWS
wxRegisterPenWin();
#endif
#if USE_PENWINDOWS
wxRegisterPenWin();
#endif
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++;
#endif
#if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
extern char wxDummyChar;
if (wxDummyChar) wxDummyChar++;
#endif
wxSetKeyboardHook(TRUE);
wxModule::RegisterModules();
@@ -262,7 +265,7 @@ bool wxApp::RegisterWindowClasses()
if (!RegisterClass( &wndclass1 ))
{
// wxFatalError("Can't register MDI Frame window class");
// return FALSE;
// return FALSE;
}
///////////////////////////////////////////////////////////////////////
@@ -343,17 +346,15 @@ bool wxApp::RegisterWindowClasses()
//// Convert Windows to argc, argv style
// FIXME this code should be rewritten (use wxArrayString instead...)
void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
{
// Split command line into tokens, as in usual main(argc, argv)
char **command = new char*[50];
char **command = new char*[50]; // VZ: sure? why not 25 or 73 and a half??
int count = 0;
char *buf = new char[strlen(lpCmdLine) + 1];
// Hangs around until end of app. in case
// user carries pointers to the tokens
/* Model independent strcpy */
int i;
for (i = 0; (buf[i] = lpCmdLine[i]) != 0; i++)
@@ -362,8 +363,8 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
}
// Get application name
char name[200];
::GetModuleFileName(wxhInstance, name, 199);
char name[260]; // 260 is MAX_PATH value from windef.h
::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
// Is it only 16-bit Borland that already copies the program name
// to the first argv index?
@@ -379,33 +380,48 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
/* 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';
}
char* str = buf;
while (*str)
{
if ( count == WXSIZEOF(command) )
{
wxFAIL_MSG("too many command line args.");
break;
}
wxTheApp->argv = new char*[argc+1];
while ( *str && isspace(*str) ) // skip whitespace
str++;
if (*str == '"')
{
str++;
command[count++] = str;
while (*str && *str != '"')
str++;
}
else if (*str)
{
command[count++] = str;
while (*str && !isspace(*str))
str++;
}
if (*str)
*str++ = '\0';
}
wxTheApp->argv = new char*[count + 1];
wxTheApp->argv[count] = NULL; /* argv[] is NULL terminated list! */
wxTheApp->argc = count;
for (i = 0; i < count; i++)
{
wxTheApp->argv[i] = copystring(command[i]);
delete [] command[i];
}
delete[] buf;
delete [] command;
delete [] buf;
}
//// Cleans up any wxWindows internal structures left lying around
@@ -498,34 +514,36 @@ void wxApp::CleanUp()
#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
//// Main wxWindows entry point
int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lpCmdLine,
int nCmdShow, bool enterLoop)
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 {
#endif
wxhInstance = (HINSTANCE) hInstance;
if (!wxApp::Initialize())
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.
// create the application object or ensure that one already exists
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.
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!" );
// save the WinMain() parameters
wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
wxTheApp->m_nCmdShow = nCmdShow;
@@ -533,46 +551,32 @@ int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lp
// but this call is provided for compatibility across platforms.
wxTheApp->OnInitGui() ;
if (!wxTheApp->OnInit())
int retValue = 0;
if ( wxTheApp->OnInit() )
{
wxTheApp->DeletePendingObjects();
wxTheApp->OnExit();
wxApp::CleanUp();
delete wxTheApp;
wxTheApp = NULL;
return 0;
if ( enterLoop )
{
retValue = wxTheApp->OnRun();
}
}
//else: app initialization failed, so we skipped OnRun()
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())
wxWindow *topWindow = wxTheApp->GetTopWindow();
if ( topWindow )
{
// 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);
}
// 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();
@@ -588,14 +592,25 @@ int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lp
// wxDebugContext, too.
if (wxDebugContext::CountObjectsLeft() > 0)
{
wxTrace("There were memory leaks.\n");
wxDebugContext::Dump();
wxDebugContext::PrintStatistics();
wxTrace("There were memory leaks.\n");
wxDebugContext::Dump();
wxDebugContext::PrintStatistics();
}
wxDebugContext::SetStream(NULL, NULL);
#endif
return retValue;
#ifndef __WXDEBUG__ // catch exceptions only in release build
}
__except ( EXCEPTION_EXECUTE_HANDLER ) {
/*
if ( wxTheApp )
wxTheApp->OnFatalException();
*/
::ExitProcess(3); // the same exit code as abort()
}
#endif //debug
}
#else /* _WINDLL */
@@ -613,13 +628,13 @@ int wxEntry(WXHINSTANCE hInstance)
if (!wxTheApp)
{
if (!wxApp::GetInitializerFunction())
{
MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
return 0;
}
if (!wxApp::GetInitializerFunction())
{
MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
return 0;
}
wxTheApp = (* wxApp::GetInitializerFunction()) ();
wxTheApp = (* wxApp::GetInitializerFunction()) ();
}
if (!wxTheApp) {
@@ -832,40 +847,40 @@ void wxApp::OnIdle(wxIdleEvent& event)
bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
wxNode* node = wxTopLevelWindows.First();
while (node)
{
wxWindow* win = (wxWindow*) node->Data();
if (SendIdleEvents(win))
wxNode* node = wxTopLevelWindows.First();
while (node)
{
wxWindow* win = (wxWindow*) node->Data();
if (SendIdleEvents(win))
needMore = TRUE;
node = node->Next();
}
node = node->Next();
}
return needMore;
}
// Send idle event to window and all subwindows
bool wxApp::SendIdleEvents(wxWindow* win)
{
bool needMore = FALSE;
bool needMore = FALSE;
wxIdleEvent event;
event.SetEventObject(win);
win->ProcessEvent(event);
wxIdleEvent event;
event.SetEventObject(win);
win->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()
@@ -915,30 +930,30 @@ int wxApp::GetComCtl32Version() const
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;
@@ -967,12 +982,11 @@ bool wxYield()
HINSTANCE wxGetInstance()
{
return wxhInstance;
return wxhInstance;
}
// 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"
#include "main.cpp"
#endif