added wxLogChain and wxLogPassThrough classes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10961 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-07-11 09:43:40 +00:00
parent 86313763ba
commit 03147cd08e
5 changed files with 248 additions and 165 deletions

View File

@@ -238,7 +238,7 @@ public:
// redirect log output to a FILE
wxLogStderr(FILE *fp = (FILE *) NULL);
private:
protected:
// implement sink function
virtual void DoLogString(const wxChar *szString, time_t t);
@@ -246,6 +246,7 @@ private:
};
#if wxUSE_STD_IOSTREAM
// log everything to an "ostream", cerr by default
class WXDLLEXPORT wxLogStream : public wxLog
{
@@ -260,7 +261,8 @@ protected:
// using ptr here to avoid including <iostream.h> from this file
wxSTD ostream *m_ostr;
};
#endif
#endif // wxUSE_STD_IOSTREAM
// the following log targets are only compiled in if the we're compiling the
// GUI part (andnot just the base one) of the library, they're implemented in
@@ -286,6 +288,89 @@ private:
#endif // wxUSE_TEXTCTRL
// ----------------------------------------------------------------------------
// /dev/null log target: suppress logging until this object goes out of scope
// ----------------------------------------------------------------------------
// example of usage:
/*
void Foo()
{
wxFile file;
// wxFile.Open() normally complains if file can't be opened, we don't
// want it
wxLogNull logNo;
if ( !file.Open("bar") )
... process error ourselves ...
// ~wxLogNull called, old log sink restored
}
*/
class WXDLLEXPORT wxLogNull
{
public:
wxLogNull() { m_flagOld = wxLog::EnableLogging(FALSE); }
~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); }
private:
bool m_flagOld; // the previous value of the wxLog::ms_doLog
};
// ----------------------------------------------------------------------------
// chaining log target: installs itself as a log target and passes all
// messages to the real log target given to it in the ctor but also forwards
// them to the previously active one
//
// note that you don't have to call SetActiveTarget() with this class, it
// does it itself in its ctor
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxLogChain : public wxLog
{
public:
wxLogChain(wxLog *logger);
virtual ~wxLogChain() { delete m_logOld; }
// change the new log target
void SetLog(wxLog *logger);
// this can be used to temporarily disable (and then reenable) passing
// messages to the old logger (by default we do pass them)
void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; }
// are we passing the messages to the previous log target?
bool IsPassingMessages() const { return m_bPassMessages; }
// return the previous log target (may be NULL)
wxLog *GetOldLog() const { return m_logOld; }
// override base class version to flush the old logger as well
virtual void Flush();
protected:
// pass the chain to the old logger if needed
virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
private:
// the current log target
wxLog *m_logNew;
// the previous log target
wxLog *m_logOld;
// do we pass the messages to the old logger?
bool m_bPassMessages;
};
// a chain log target which uses itself as the new logger
class WXDLLEXPORT wxLogPassThrough : public wxLogChain
{
public:
wxLogPassThrough() : wxLogChain(this) { }
};
// ----------------------------------------------------------------------------
// GUI log target, the default one for wxWindows programs
// ----------------------------------------------------------------------------
@@ -325,13 +410,14 @@ protected:
#if wxUSE_LOGWINDOW
class WXDLLEXPORT wxLogWindow : public wxLog
class WXDLLEXPORT wxLogWindow : public wxLogPassThrough
{
public:
wxLogWindow(wxFrame *pParent, // the parent frame (can be NULL)
const wxChar *szTitle, // the title of the frame
bool bShow = TRUE, // show window immediately?
bool bPassToOld = TRUE); // pass log messages to the old target?
const wxChar *szTitle, // the title of the frame
bool bShow = TRUE, // show window immediately?
bool bPassToOld = TRUE); // pass messages to the old target?
~wxLogWindow();
// window operations
@@ -340,21 +426,6 @@ public:
// retrieve the pointer to the frame
wxFrame *GetFrame() const;
// accessors
// the previous log target (may be NULL)
wxLog *GetOldLog() const { return m_pOldLog; }
// are we passing the messages to the previous log target?
bool IsPassingMessages() const { return m_bPassMessages; }
// we can pass the messages to the previous log target (we're in this mode by
// default: we collect all messages in the window, but also let the default
// processing take place)
void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; }
// base class virtuals
// we don't need it ourselves, but we pass it to the previous logger
virtual void Flush();
// overridables
// called immediately after the log frame creation allowing for
// any extra initializations
@@ -373,8 +444,6 @@ protected:
virtual void DoLogString(const wxChar *szString, time_t t);
private:
bool m_bPassMessages; // pass messages to m_pOldLog?
wxLog *m_pOldLog; // previous log target
wxLogFrame *m_pLogFrame; // the log frame
};
@@ -382,33 +451,6 @@ private:
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// /dev/null log target: suppress logging until this object goes out of scope
// ----------------------------------------------------------------------------
// example of usage:
/*
void Foo() {
wxFile file;
// wxFile.Open() normally complains if file can't be opened, we don't want it
wxLogNull logNo;
if ( !file.Open("bar") )
... process error ourselves ...
// ~wxLogNull called, old log sink restored
}
*/
class WXDLLEXPORT wxLogNull
{
public:
wxLogNull() { m_flagOld = wxLog::EnableLogging(FALSE); }
~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); }
private:
bool m_flagOld; // the previous value of the wxLog::ms_doLog
};
// ============================================================================
// global functions
// ============================================================================
@@ -418,12 +460,6 @@ private:
// for log messages for easy redirection
// ----------------------------------------------------------------------------
// are we in 'verbose' mode?
// (note that it's often handy to change this var manually from the
// debugger, thus enabling/disabling verbose reporting for some
// parts of the program only)
WXDLLEXPORT_DATA(extern bool) g_bVerbose;
// ----------------------------------------------------------------------------
// get error code/error message from system in a portable way
// ----------------------------------------------------------------------------

View File

@@ -15,8 +15,10 @@
#error No __WXxxx__ define set! Please define one of __WXBASE__,__WXGTK__,__WXMSW__,__WXMOTIF__,__WXMAC__,__WXQT__,__WXPM__,__WXSTUBS__
#endif
// wxUniversal is defined together with one of other ports, so test for it
// first
/*
wxUniversal is defined together with one of other ports, so test for it
first
*/
#ifdef __WXUNIVERSAL__
#if defined(__USE_WXCONFIG__) && defined(__WXDEBUG__)
#include "wx/univd/setup.h"
@@ -68,4 +70,15 @@
#include "wx/chkconf.h"
/*
define some constants identifying wxWindows version in more details than
just the version number
*/
// wxLogChain class available
#define wxHAS_LOG_CHAIN
// define this when wxDC::Blit() respects SetDeviceOrigin() in wxGTK
#undef wxHAS_WORKING_GTK_DC_BLIT
#endif /* _WX_SETUP_H_BASE_ */

View File

@@ -407,7 +407,8 @@ void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t))
void wxLog::Flush()
{
// do nothing
// remember that we don't have any more messages to show
m_bHasMessages = FALSE;
}
// ----------------------------------------------------------------------------
@@ -423,82 +424,82 @@ wxLogStderr::wxLogStderr(FILE *fp)
}
#if defined(__WXMAC__) && !defined(__UNIX__)
#define kDebuggerSignature 'MWDB'
#define kDebuggerSignature 'MWDB'
static Boolean FindProcessBySignature(OSType signature, ProcessInfoRec* info)
{
OSErr err;
ProcessSerialNumber psn;
Boolean found = false;
psn.highLongOfPSN = 0;
psn.lowLongOfPSN = kNoProcess;
if (!info) return false;
info->processInfoLength = sizeof(ProcessInfoRec);
info->processName = NULL;
info->processAppSpec = NULL;
err = noErr;
while (!found && err == noErr)
{
err = GetNextProcess(&psn);
if (err == noErr)
{
err = GetProcessInformation(&psn, info);
found = err == noErr && info->processSignature == signature;
}
}
return found;
{
OSErr err;
ProcessSerialNumber psn;
Boolean found = false;
psn.highLongOfPSN = 0;
psn.lowLongOfPSN = kNoProcess;
if (!info) return false;
info->processInfoLength = sizeof(ProcessInfoRec);
info->processName = NULL;
info->processAppSpec = NULL;
err = noErr;
while (!found && err == noErr)
{
err = GetNextProcess(&psn);
if (err == noErr)
{
err = GetProcessInformation(&psn, info);
found = err == noErr && info->processSignature == signature;
}
}
return found;
}
pascal Boolean MWDebuggerIsRunning(void)
{
ProcessInfoRec info;
return FindProcessBySignature(kDebuggerSignature, &info);
ProcessInfoRec info;
return FindProcessBySignature(kDebuggerSignature, &info);
}
pascal OSErr AmIBeingMWDebugged(Boolean* result)
{
OSErr err;
ProcessSerialNumber psn;
OSType sig = kDebuggerSignature;
AppleEvent theAE = {typeNull, NULL};
AppleEvent theReply = {typeNull, NULL};
AEAddressDesc addr = {typeNull, NULL};
DescType actualType;
Size actualSize;
if (!result) return paramErr;
err = AECreateDesc(typeApplSignature, &sig, sizeof(sig), &addr);
if (err != noErr) goto exit;
err = AECreateAppleEvent('MWDB', 'Dbg?', &addr,
kAutoGenerateReturnID, kAnyTransactionID, &theAE);
if (err != noErr) goto exit;
GetCurrentProcess(&psn);
err = AEPutParamPtr(&theAE, keyDirectObject, typeProcessSerialNumber,
&psn, sizeof(psn));
if (err != noErr) goto exit;
err = AESend(&theAE, &theReply, kAEWaitReply, kAENormalPriority,
kAEDefaultTimeout, NULL, NULL);
if (err != noErr) goto exit;
err = AEGetParamPtr(&theReply, keyAEResult, typeBoolean, &actualType, result,
sizeof(Boolean), &actualSize);
OSErr err;
ProcessSerialNumber psn;
OSType sig = kDebuggerSignature;
AppleEvent theAE = {typeNull, NULL};
AppleEvent theReply = {typeNull, NULL};
AEAddressDesc addr = {typeNull, NULL};
DescType actualType;
Size actualSize;
if (!result) return paramErr;
err = AECreateDesc(typeApplSignature, &sig, sizeof(sig), &addr);
if (err != noErr) goto exit;
err = AECreateAppleEvent(kDebuggerSignature, 'Dbg?', &addr,
kAutoGenerateReturnID, kAnyTransactionID, &theAE);
if (err != noErr) goto exit;
GetCurrentProcess(&psn);
err = AEPutParamPtr(&theAE, keyDirectObject, typeProcessSerialNumber,
&psn, sizeof(psn));
if (err != noErr) goto exit;
err = AESend(&theAE, &theReply, kAEWaitReply, kAENormalPriority,
kAEDefaultTimeout, NULL, NULL);
if (err != noErr) goto exit;
err = AEGetParamPtr(&theReply, keyAEResult, typeBoolean, &actualType, result,
sizeof(Boolean), &actualSize);
exit:
if (addr.dataHandle)
AEDisposeDesc(&addr);
if (theAE.dataHandle)
AEDisposeDesc(&theAE);
if (theReply.dataHandle)
AEDisposeDesc(&theReply);
if (addr.dataHandle)
AEDisposeDesc(&addr);
if (theAE.dataHandle)
AEDisposeDesc(&theAE);
if (theReply.dataHandle)
AEDisposeDesc(&theReply);
return err;
return err;
}
#endif
@@ -519,36 +520,36 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
OutputDebugString(str.c_str());
#endif // MSW
#if defined(__WXMAC__) && !defined(__WXMAC_X__) && wxUSE_GUI
Str255 pstr ;
strcpy( (char*) pstr , str.c_str() ) ;
strcat( (char*) pstr , ";g" ) ;
c2pstr( (char*) pstr ) ;
Str255 pstr ;
strcpy( (char*) pstr , str.c_str() ) ;
strcat( (char*) pstr , ";g" ) ;
c2pstr( (char*) pstr ) ;
#if __WXDEBUG__
Boolean running = false ;
Boolean running = false ;
/*
if ( MWDebuggerIsRunning() )
{
AmIBeingMWDebugged( &running ) ;
}
if ( MWDebuggerIsRunning() )
{
AmIBeingMWDebugged( &running ) ;
}
*/
if (running)
{
#ifdef __powerc
DebugStr(pstr);
#else
SysBreakStr(pstr);
#endif
}
else
if (running)
{
#ifdef __powerc
DebugStr(pstr);
#else
SysBreakStr(pstr);
#endif
{
#ifdef __powerc
DebugStr(pstr);
#else
DebugStr(pstr);
#endif
}
}
else
#endif
{
#ifdef __powerc
DebugStr(pstr);
#else
DebugStr(pstr);
#endif
}
#endif // Mac
}
@@ -573,6 +574,52 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
}
#endif // wxUSE_STD_IOSTREAM
// ----------------------------------------------------------------------------
// wxLogChain
// ----------------------------------------------------------------------------
wxLogChain::wxLogChain(wxLog *logger)
{
m_logNew = logger;
m_logOld = wxLog::SetActiveTarget(this);
}
void wxLogChain::SetLog(wxLog *logger)
{
if ( m_logNew != this )
delete m_logNew;
wxLog::SetActiveTarget(logger);
m_logNew = logger;
}
void wxLogChain::Flush()
{
if ( m_logOld )
m_logOld->Flush();
// be careful to avoid inifinite recursion
if ( m_logNew && m_logNew != this )
m_logNew->Flush();
}
void wxLogChain::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
// let the previous logger show it
if ( m_logOld && IsPassingMessages() )
{
// bogus cast just to access protected DoLog
((wxLogChain *)m_logOld)->DoLog(level, szString, t);
}
if ( m_logNew && m_logNew != this )
{
// as above...
((wxLogChain *)m_logNew)->DoLog(level, szString, t);
}
}
// ============================================================================
// Global functions/variables
// ============================================================================

View File

@@ -546,15 +546,15 @@ wxLogFrame::~wxLogFrame()
// wxLogWindow
// -----------
wxLogWindow::wxLogWindow(wxFrame *pParent,
const wxChar *szTitle,
bool bShow,
bool bDoPass)
{
m_bPassMessages = bDoPass;
PassMessages(bDoPass);
m_pLogFrame = new wxLogFrame(pParent, this, szTitle);
m_pOldLog = wxLog::SetActiveTarget(this);
if ( bShow )
m_pLogFrame->Show(TRUE);
@@ -565,21 +565,10 @@ void wxLogWindow::Show(bool bShow)
m_pLogFrame->Show(bShow);
}
void wxLogWindow::Flush()
{
if ( m_pOldLog != NULL )
m_pOldLog->Flush();
m_bHasMessages = FALSE;
}
void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
// first let the previous logger show it
if ( m_pOldLog != NULL && m_bPassMessages ) {
// bogus cast just to access protected DoLog
((wxLogWindow *)m_pOldLog)->DoLog(level, szString, t);
}
wxLogPassThrough::DoLog(level, szString, t);
if ( m_pLogFrame ) {
switch ( level ) {
@@ -652,8 +641,6 @@ void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
wxLogWindow::~wxLogWindow()
{
delete m_pOldLog;
// may be NULL if log frame already auto destroyed itself
delete m_pLogFrame;
}

View File

@@ -852,7 +852,7 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
dcMem.SelectObject(bmp);
dcMem.Blit(wxPoint(0, 0), size, &dc, ptSource
#if defined(__WXGTK__) && !defined(__WX_DC_BLIT_FIXED__)
#if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT)
+ GetClientAreaOrigin()
#endif // broken wxGTK wxDC::Blit
);