wxBase/GUI separation: 1st step, wxMSW should build, all the rest is broken

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-06-24 00:56:19 +00:00
parent 433f5675a9
commit e2478fde62
64 changed files with 7364 additions and 3583 deletions

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src/common/appbase.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: common/base/appbase.cpp
// Purpose: implements wxAppConsole class
// Author: Vadim Zeitlin
// Modified by:
// Created: 19.06.2003 (extracted from common/appcmn.cpp)
// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
// License: wxWindows license
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#if wxUSE_LOG
#include "wx/log.h"
#endif // wxUSE_LOG
#endif //WX_PRECOMP
#include "wx/apptrait.h"
#include "wx/cmdline.h"
#include "wx/confbase.h"
#if wxUSE_FONTMAP
#include "wx/fontmap.h"
#endif // wxUSE_FONTMAP
#include "wx/msgout.h"
#include "wx/tokenzr.h"
#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
#include <signal.h> // for SIGTRAP used by wxTrap()
#endif //Win/Unix
#if defined(__WXMSW__)
#include "wx/msw/private.h" // includes windows.h for MessageBox()
#endif
#if defined(__WXMAC__)
#include "wx/mac/private.h" // includes mac headers
#endif
// ----------------------------------------------------------------------------
// private functions prototypes
// ----------------------------------------------------------------------------
#ifdef __WXDEBUG__
// really just show the assert dialog
static bool DoShowAssertDialog(const wxString& msg);
// prepare for showing the assert dialog, use the given traits or
// DoShowAssertDialog() as last fallback to really show it
static
void ShowAssertDialog(const wxChar *szFile,
int nLine,
const wxChar *szCond,
const wxChar *szMsg,
wxAppTraits *traits = NULL);
// turn on the trace masks specified in the env variable WXTRACE
static void LINKAGEMODE SetTraceMasks();
#endif // __WXDEBUG__
// ----------------------------------------------------------------------------
// global vars
// ----------------------------------------------------------------------------
wxApp *wxTheApp = NULL;
wxAppInitializerFunction wxAppConsole::ms_appInitFn = NULL;
// ============================================================================
// wxAppConsole implementation
// ============================================================================
// ----------------------------------------------------------------------------
// ctor/dtor
// ----------------------------------------------------------------------------
wxAppConsole::wxAppConsole()
{
m_traits = NULL;
wxTheApp = (wxApp *)this;
#ifdef __WXDEBUG__
SetTraceMasks();
#endif
}
wxAppConsole::~wxAppConsole()
{
delete m_traits;
}
// ----------------------------------------------------------------------------
// OnXXX() callbacks
// ----------------------------------------------------------------------------
bool wxAppConsole::OnInit()
{
#if wxUSE_CMDLINE_PARSER
wxCmdLineParser parser(argc, argv);
OnInitCmdLine(parser);
bool cont;
switch ( parser.Parse(FALSE /* don't show usage */) )
{
case -1:
cont = OnCmdLineHelp(parser);
break;
case 0:
cont = OnCmdLineParsed(parser);
break;
default:
cont = OnCmdLineError(parser);
break;
}
if ( !cont )
return FALSE;
#endif // wxUSE_CMDLINE_PARSER
return TRUE;
}
int wxAppConsole::OnExit()
{
#if wxUSE_CONFIG
// delete the config object if any (don't use Get() here, but Set()
// because Get() could create a new config object)
delete wxConfigBase::Set((wxConfigBase *) NULL);
#endif // wxUSE_CONFIG
#ifdef __WXUNIVERSAL__
delete wxTheme::Set(NULL);
#endif // __WXUNIVERSAL__
// use Set(NULL) and not Get() to avoid creating a message output object on
// demand when we just want to delete it
delete wxMessageOutput::Set(NULL);
return 0;
}
void wxAppConsole::Exit()
{
exit(-1);
}
// ----------------------------------------------------------------------------
// traits stuff
// ----------------------------------------------------------------------------
wxAppTraits *wxAppConsole::CreateTraits()
{
return wxAppTraits::CreateConsole();
}
wxAppTraits *wxAppConsole::GetTraits()
{
// FIXME-MT: protect this with a CS?
if ( !m_traits )
{
m_traits = CreateTraits();
wxASSERT_MSG( m_traits, _T("wxApp::CreateTraits() failed?") );
}
return m_traits;
}
// we must implement CreateXXX() in wxApp itself for backwards compatibility
#if WXWIN_COMPATIBILITY_2_4
#if wxUSE_LOG
wxLog *wxAppConsole::CreateLogTarget()
{
wxAppTraits *traits = GetTraits();
return traits ? traits->CreateLogTarget() : NULL;
}
#endif // wxUSE_LOG
wxMessageOutput *wxAppConsole::CreateMessageOutput()
{
wxAppTraits *traits = GetTraits();
return traits ? traits->CreateMessageOutput() : NULL;
}
#endif // WXWIN_COMPATIBILITY_2_4
// ----------------------------------------------------------------------------
// event processing
// ----------------------------------------------------------------------------
void wxAppConsole::ProcessPendingEvents()
{
// ensure that we're the only thread to modify the pending events list
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
if ( !wxPendingEvents )
{
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
return;
}
// iterate until the list becomes empty
wxNode *node = wxPendingEvents->GetFirst();
while (node)
{
wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
delete node;
// In ProcessPendingEvents(), new handlers might be add
// and we can safely leave the critical section here.
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
handler->ProcessPendingEvents();
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
node = wxPendingEvents->GetFirst();
}
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
}
int wxAppConsole::FilterEvent(wxEvent& WXUNUSED(event))
{
// process the events normally by default
return -1;
}
// ----------------------------------------------------------------------------
// cmd line parsing
// ----------------------------------------------------------------------------
#if wxUSE_CMDLINE_PARSER
#define OPTION_VERBOSE _T("verbose")
#define OPTION_THEME _T("theme")
#define OPTION_MODE _T("mode")
void wxAppConsole::OnInitCmdLine(wxCmdLineParser& parser)
{
// the standard command line options
static const wxCmdLineEntryDesc cmdLineDesc[] =
{
{
wxCMD_LINE_SWITCH,
_T("h"),
_T("help"),
gettext_noop("show this help message"),
wxCMD_LINE_VAL_NONE,
wxCMD_LINE_OPTION_HELP
},
#if wxUSE_LOG
{
wxCMD_LINE_SWITCH,
_T(""),
OPTION_VERBOSE,
gettext_noop("generate verbose log messages"),
wxCMD_LINE_VAL_NONE,
0x0
},
#endif // wxUSE_LOG
#ifdef __WXUNIVERSAL__
{
wxCMD_LINE_OPTION,
_T(""),
OPTION_THEME,
gettext_noop("specify the theme to use"),
wxCMD_LINE_VAL_STRING,
0x0
},
#endif // __WXUNIVERSAL__
#if defined(__WXMGL__)
// VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports
// should provide this option. That's why it is in common/appcmn.cpp
// and not mgl/app.cpp
{
wxCMD_LINE_OPTION,
_T(""),
OPTION_MODE,
gettext_noop("specify display mode to use (e.g. 640x480-16)"),
wxCMD_LINE_VAL_STRING,
0x0
},
#endif // __WXMGL__
// terminator
{
wxCMD_LINE_NONE,
_T(""),
_T(""),
_T(""),
wxCMD_LINE_VAL_NONE,
0x0
}
};
parser.SetDesc(cmdLineDesc);
}
bool wxAppConsole::OnCmdLineParsed(wxCmdLineParser& parser)
{
#if wxUSE_LOG
if ( parser.Found(OPTION_VERBOSE) )
{
wxLog::SetVerbose(TRUE);
}
#endif // wxUSE_LOG
#ifdef __WXUNIVERSAL__
wxString themeName;
if ( parser.Found(OPTION_THEME, &themeName) )
{
wxTheme *theme = wxTheme::Create(themeName);
if ( !theme )
{
wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
return FALSE;
}
// Delete the defaultly created theme and set the new theme.
delete wxTheme::Get();
wxTheme::Set(theme);
}
#endif // __WXUNIVERSAL__
#if defined(__WXMGL__)
wxString modeDesc;
if ( parser.Found(OPTION_MODE, &modeDesc) )
{
unsigned w, h, bpp;
if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
{
wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
return FALSE;
}
if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) )
return FALSE;
}
#endif // __WXMGL__
return TRUE;
}
bool wxAppConsole::OnCmdLineHelp(wxCmdLineParser& parser)
{
parser.Usage();
return FALSE;
}
bool wxAppConsole::OnCmdLineError(wxCmdLineParser& parser)
{
parser.Usage();
return FALSE;
}
#endif // wxUSE_CMDLINE_PARSER
// ----------------------------------------------------------------------------
// debugging support
// ----------------------------------------------------------------------------
/* static */
bool wxAppConsole::CheckBuildOptions(const wxBuildOptions& opts)
{
#define wxCMP(what) (what == opts.m_ ## what)
bool
#ifdef __WXDEBUG__
isDebug = TRUE;
#else
isDebug = FALSE;
#endif
int verMaj = wxMAJOR_VERSION,
verMin = wxMINOR_VERSION;
if ( !(wxCMP(isDebug) && wxCMP(verMaj) && wxCMP(verMin)) )
{
wxString msg;
wxString libDebug, progDebug;
if (isDebug)
libDebug = wxT("debug");
else
libDebug = wxT("no debug");
if (opts.m_isDebug)
progDebug = wxT("debug");
else
progDebug = wxT("no debug");
msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %d.%d (%s), and your program used %d.%d (%s)."),
verMaj, verMin, libDebug.c_str(), opts.m_verMaj, opts.m_verMin, progDebug.c_str());
wxLogFatalError(msg);
// normally wxLogFatalError doesn't return
return FALSE;
}
#undef wxCMP
return TRUE;
}
#ifdef __WXDEBUG__
void wxAppConsole::OnAssert(const wxChar *file,
int line,
const wxChar *cond,
const wxChar *msg)
{
ShowAssertDialog(file, line, cond, msg, m_traits);
}
#endif // __WXDEBUG__
// ============================================================================
// other classes implementations
// ============================================================================
// ----------------------------------------------------------------------------
// wxConsoleAppTraitsBase
// ----------------------------------------------------------------------------
#if wxUSE_LOG
wxLog *wxConsoleAppTraitsBase::CreateLogTarget()
{
return new wxLogStderr;
}
#endif // wxUSE_LOG
wxMessageOutput *wxConsoleAppTraitsBase::CreateMessageOutput()
{
return new wxMessageOutputStderr;
}
#if wxUSE_FONTMAP
wxFontMapper *wxConsoleAppTraitsBase::CreateFontMapper()
{
return (wxFontMapper *)new wxFontMapperBase;
}
#endif // wxUSE_FONTMAP
bool wxConsoleAppTraitsBase::ShowAssertDialog(const wxString& msg)
{
return wxAppTraitsBase::ShowAssertDialog(msg);
}
bool wxConsoleAppTraitsBase::HasStderr()
{
// console applications always have stderr, even under Mac/Windows
return true;
}
void wxConsoleAppTraitsBase::ScheduleForDestroy(wxObject *object)
{
delete object;
}
void wxConsoleAppTraitsBase::RemoveFromPendingDelete(wxObject * WXUNUSED(object))
{
// nothing to do
}
// ----------------------------------------------------------------------------
// wxAppTraits
// ----------------------------------------------------------------------------
#ifdef __WXDEBUG__
bool wxAppTraitsBase::ShowAssertDialog(const wxString& msg)
{
return DoShowAssertDialog(msg);
}
#endif // __WXDEBUG__
wxAppTraits *wxAppTraitsBase::CreateConsole()
{
return new wxConsoleAppTraits;
}
// ============================================================================
// global functions implementation
// ============================================================================
void wxExit()
{
if ( wxTheApp )
{
wxTheApp->Exit();
}
else
{
// what else can we do?
exit(-1);
}
}
void wxWakeUpIdle()
{
if ( wxTheApp )
{
wxTheApp->WakeUpIdle();
}
//else: do nothing, what can we do?
}
#ifdef __WXDEBUG__
// wxASSERT() helper
bool wxAssertIsEqual(int x, int y)
{
return x == y;
}
// break into the debugger
void wxTrap()
{
#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
DebugBreak();
#elif defined(__WXMAC__) && !defined(__DARWIN__)
#if __powerc
Debugger();
#else
SysBreak();
#endif
#elif defined(__UNIX__)
raise(SIGTRAP);
#else
// TODO
#endif // Win/Unix
}
void wxAssert(int cond,
const wxChar *szFile,
int nLine,
const wxChar *szCond,
const wxChar *szMsg)
{
if ( !cond )
wxOnAssert(szFile, nLine, szCond, szMsg);
}
// this function is called when an assert fails
void wxOnAssert(const wxChar *szFile,
int nLine,
const wxChar *szCond,
const wxChar *szMsg)
{
// FIXME MT-unsafe
static bool s_bInAssert = FALSE;
if ( s_bInAssert )
{
// He-e-e-e-elp!! we're trapped in endless loop
wxTrap();
s_bInAssert = FALSE;
return;
}
s_bInAssert = TRUE;
if ( !wxTheApp )
{
// by default, show the assert dialog box -- we can't customize this
// behaviour
ShowAssertDialog(szFile, nLine, szCond, szMsg);
}
else
{
// let the app process it as it wants
wxTheApp->OnAssert(szFile, nLine, szCond, szMsg);
}
s_bInAssert = FALSE;
}
#endif // __WXDEBUG__
// ============================================================================
// private functions implementation
// ============================================================================
#ifdef __WXDEBUG__
static void LINKAGEMODE SetTraceMasks()
{
#if wxUSE_LOG
wxString mask;
if ( wxGetEnv(wxT("WXTRACE"), &mask) )
{
wxStringTokenizer tkn(mask, wxT(",;:"));
while ( tkn.HasMoreTokens() )
wxLog::AddTraceMask(tkn.GetNextToken());
}
#endif // wxUSE_LOG
}
bool DoShowAssertDialog(const wxString& msg)
{
// under MSW we can show the dialog even in the console mode
#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
wxString msgDlg(msg);
// this message is intentionally not translated -- it is for
// developpers only
msgDlg += wxT("\nDo you want to stop the program?\n")
wxT("You can also choose [Cancel] to suppress ")
wxT("further warnings.");
switch ( ::MessageBox(NULL, msgDlg, _T("wxWindows Debug Alert"),
MB_YESNOCANCEL | MB_ICONSTOP ) )
{
case IDYES:
wxTrap();
break;
case IDCANCEL:
// stop the asserts
return true;
//case IDNO: nothing to do
}
#else // !__WXMSW__
wxFprintf(stderr, wxT("%s\n"), msg.c_str());
fflush(stderr);
// TODO: ask the user to enter "Y" or "N" on the console?
wxTrap();
#endif // __WXMSW__/!__WXMSW__
// continue with the asserts
return false;
}
// show the assert modal dialog
static
void ShowAssertDialog(const wxChar *szFile,
int nLine,
const wxChar *szCond,
const wxChar *szMsg,
wxAppTraits *traits)
{
// this variable can be set to true to suppress "assert failure" messages
static bool s_bNoAsserts = FALSE;
wxString msg;
msg.reserve(2048);
// make life easier for people using VC++ IDE by using this format: like
// this, clicking on the message will take us immediately to the place of
// the failed assert
msg.Printf(wxT("%s(%d): assert \"%s\" failed"), szFile, nLine, szCond);
if ( szMsg )
{
msg << _T(": ") << szMsg;
}
else // no message given
{
msg << _T('.');
}
#if wxUSE_THREADS
// if we are not in the main thread, output the assert directly and trap
// since dialogs cannot be displayed
if ( !wxThread::IsMain() )
{
msg += wxT(" [in child thread]");
#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
msg << wxT("\r\n");
OutputDebugString(msg );
#else
// send to stderr
wxFprintf(stderr, wxT("%s\n"), msg.c_str());
fflush(stderr);
#endif
// He-e-e-e-elp!! we're asserting in a child thread
wxTrap();
}
#endif // wxUSE_THREADS
if ( !s_bNoAsserts )
{
// send it to the normal log destination
wxLogDebug(_T("%s"), msg);
if ( traits )
{
// delegate showing assert dialog (if possible) to that class
s_bNoAsserts = traits->ShowAssertDialog(msg);
}
else // no traits object
{
// fall back to the function of last resort
s_bNoAsserts = DoShowAssertDialog(msg);
}
}
}
#endif // __WXDEBUG__