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tdevelop/languages/cpp/debugger/framestackwidget.h

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/***************************************************************************
begin : Sun Aug 8 1999
copyright : (C) 1999 by John Birch
email : jbb@kdevelop.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _FRAMESTACKWIDGET_H_
#define _FRAMESTACKWIDGET_H_
#include <qlistview.h>
#include <qstringlist.h>
#include "gdbcontroller.h"
#include "mi/miparser.h"
#include <vector>
namespace GDBDebugger
{
class FramestackWidget;
class ThreadStackItem : public QListViewItem
{
public:
ThreadStackItem(FramestackWidget *parent,
unsigned threadNo);
virtual ~ThreadStackItem();
void setOpen(bool open);
QListViewItem *lastChild() const;
void paintCell(QPainter * p, const QColorGroup & cg,
int column, int width, int align );
int threadNo()
{ return threadNo_; }
private:
int threadNo_;
QString savedFunc_;
QString savedSource_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class FrameStackItem : public QListViewItem
{
public:
FrameStackItem(FramestackWidget *parent,
unsigned frameNo,
const QString &name);
FrameStackItem(ThreadStackItem *parent,
unsigned frameNo,
const QString &name);
virtual ~FrameStackItem();
void setOpen(bool open);
QListViewItem *lastChild() const;
void paintCell(QPainter * p, const QColorGroup & cg,
int column, int width, int align );
int frameNo()
{ return frameNo_; }
int threadNo()
{ return threadNo_; }
private:
int frameNo_;
int threadNo_;
};
/***************************************************************************/
/***************************************************************************/
/**
* @author John Birch
*/
class FramestackWidget : public QListView
{
Q_OBJECT
public:
FramestackWidget( GDBController* controller,
QWidget *parent=0,
const char *name=0, WFlags f=0 );
virtual ~FramestackWidget();
QListViewItem *lastChild() const;
ThreadStackItem *findThread(int threadNo);
FrameStackItem *findFrame(int frameNo, int threadNo);
int viewedThread()
{ return viewedThread_ ? viewedThread_->threadNo() : -1; }
protected:
void drawContentsOffset( QPainter * p, int ox, int oy,
int cx, int cy, int cw, int ch );
private:
/** Given gdb's 'frame' information, compute decent
textual representation for display.
The function is used both for frames and threads.
*/
void formatFrame(const GDBMI::Value& frame,
QString& func_column,
QString& source_column);
/** Cause gdb to produce backtrace for the current thread.
GDB reply will be route to parseArg and parseGDBBacktraceList,
and will show up under viewedThread_ (if there are threads), or
on top-level.
*/
void getBacktrace(int min_frame = 0, int max_frame = frameChunk_);
/** Obtains backtrace for the specified thread without chaning the current
thread in gdb.
Switches viewedThread_ to the specified thread, switches gdb thread,
call getBacktrace(), and switches the current thread back.
*/
void getBacktraceForThread(int threadNo);
friend class ThreadStackItem;
void handleThreadList(const GDBMI::ResultRecord&);
void handleThread(const GDBMI::ResultRecord&);
void parseGDBBacktraceList(const GDBMI::ResultRecord&);
void handleStackDepth(const GDBMI::ResultRecord& r);
public slots:
void slotEvent(GDBController::event_t e);
void slotSelectionChanged(QListViewItem *thisItem);
#if QT_VERSION < 300
private:
QListViewItem* findItemWhichBeginsWith(const QString& text) const;
#endif
virtual void showEvent(QShowEvent*);
private:
void clear();
private:
ThreadStackItem *viewedThread_;
int currentFrame_;
GDBController* controller_;
// Data to pass from 'getBacktrace' to 'handleStackDepth'
int minFrame_;
int maxFrame_;
bool has_more_frames;
bool mayUpdate_;
friend class FrameStackItem;
static const int frameChunk_ = 5;
};
}
#endif