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tdevelop/languages/ruby/debugger/variablewidget.h

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/***************************************************************************
begin : Sun Aug 8 1999
copyright : (C) 1999 by John Birch
email : jbb@tdevelop.org
Adapted for ruby debugging
--------------------------
begin : Mon Nov 1 2004
copyright : (C) 2004 by Richard Dale
email : Richard_Dale@tipitina.demon.co.uk
***************************************************************************/
/***************************************************************************
* *
* 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 _VARIABLEWIDGET_H_
#define _VARIABLEWIDGET_H_
#include "rdbcontroller.h"
#include <klistview.h>
#include <kcombobox.h>
#include <tqwidget.h>
#include <tqtooltip.h>
#include <kdebug.h>
class KLineEdit;
namespace RDBDebugger
{
class LazyFetchItem;
class VarFrameRoot;
class GlobalRoot;
class WatchRoot;
class VarItem;
class VariableTree;
class DbgController;
class Breakpoint;
enum {
VAR_NAME_COLUMN = 0,
VALUE_COLUMN = 1
};
enum DataType {
UNKNOWN_TYPE,
VALUE_TYPE,
REFERENCE_TYPE,
ARRAY_TYPE,
HASH_TYPE,
STRUCT_TYPE,
COLOR_TYPE,
STRING_TYPE
};
class VariableWidget : public TQWidget
{
Q_OBJECT
public:
VariableWidget( TQWidget *parent=0, const char *name=0 );
VariableTree *varTree() const
{ return varTree_; }
virtual void setEnabled(bool b);
void restorePartialProjectSession(const TQDomElement* el);
void savePartialProjectSession(TQDomElement* el);
protected:
virtual void focusInEvent(TQFocusEvent *e);
public slots:
void slotAddWatchExpression();
void slotAddWatchExpression(const TQString &expr);
private:
VariableTree *varTree_;
KHistoryCombo *watchVarEditor_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class VariableTree : public KListView, public TQToolTip
{
Q_OBJECT
//we need this to be able to emit expandItem() from within LazyFetchItem
friend class LazyFetchItem;
public:
VariableTree( VariableWidget *parent, const char *name=0 );
virtual ~VariableTree();
// Clear everything but the Watch frame
void clear();
int activationId() const { return activationId_; }
void nextActivationId();
VarFrameRoot *findFrame(int frameNo, int threadNo) const;
GlobalRoot *globalRoot();
WatchRoot *watchRoot();
void resetWatchVars();
void setCurrentThread(int currentThread) { currentThread_ = currentThread; }
// Remove items that are not active
void prune();
// Look for a frame where 'needsVariables()' is true.
// If found, send commands to the debugger to fetch
// the variable values.
// Return true if a fetch has been scheduled, otherwise
// false.
bool schedule();
// Tell the controller whether or not to fetch the
// values of the global variables
void setFetchGlobals(bool fetch);
// (from TQToolTip) Display a tooltip when the cursor is over an item
virtual void maybeTip(const TQPoint &);
virtual void setSelected(TQListViewItem * item, bool selected);
signals:
void toggleWatchpoint(const TQString &varName);
void selectFrame(int frame, int thread);
void expandItem(VarItem *item, const TQCString &request);
void fetchGlobals(bool fetch);
void addWatchExpression(const TQString& expr, bool execute);
void removeWatchExpression(int displayId);
public slots:
void slotAddWatchExpression(const TQString& watchVar);
void slotFrameActive(int frameNo, int threadNo, const TQString& frameName);
void slotPressed(TQListViewItem * item);
private slots:
void slotContextMenu(KListView *, TQListViewItem *item);
private:
int activationId_;
int currentThread_;
VarFrameRoot * selectedFrame_;
WatchRoot * watchRoot_;
GlobalRoot * globalRoot_;
friend class VarFrameRoot;
friend class VarItem;
friend class WatchRoot;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class LazyFetchItem : public KListViewItem
{
public:
LazyFetchItem(VariableTree *parent);
LazyFetchItem(LazyFetchItem *parent);
virtual ~LazyFetchItem();
virtual int rtti() const { return RTTI_LAZY_FETCH_ITEM; }
virtual void prune();
virtual VarItem *findItem(const TQString& name) const;
int currentActivationId() const { return ((VariableTree*) listView())->activationId(); }
virtual void setActivationId() { activationId_ = currentActivationId(); }
bool isActive() const { return activationId_ == currentActivationId(); }
void startWaitingForData() { waitingForData_ = true; }
void stopWaitingForData() { waitingForData_ = false; }
bool isWaitingForData() const { return waitingForData_; }
protected:
void paintCell( TQPainter *p, const TQColorGroup &cg,
int column, int width, int align );
private:
int activationId_;
bool waitingForData_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class VarItem : public LazyFetchItem
{
public:
VarItem( LazyFetchItem *parent, const TQString &varName, DataType dataType );
virtual ~VarItem();
virtual int rtti() const { return RTTI_VAR_ITEM; }
virtual TQString key(int column, bool ascending) const;
TQString fullName() const;
DataType dataType() const;
void setDataType(DataType dataType);
void setOpen(bool open);
void setText (int column, const TQString& text);
// Returns the text to be displayed as tooltip (the value)
TQString tipText() const;
// If the item is open, fetch details via a pp command
void update();
// The details from the pp command have arrived, parse them
// and update the UI
void expandValue(char *data);
private:
void paintCell( TQPainter *p, const TQColorGroup &cg,
int column, int width, int align );
private:
TQString key_;
TQCString cache_;
DataType dataType_;
bool highlight_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class WatchVarItem : public VarItem
{
public:
WatchVarItem( LazyFetchItem *parent, const TQString &varName, DataType dataType, int displayId = -1);
virtual ~WatchVarItem();
virtual int rtti() const { return RTTI_WATCH_VAR_ITEM; }
// The id returned by rdb after a display expression is added
void setDisplayId(int id);
int displayId();
private:
int displayId_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class VarFrameRoot : public LazyFetchItem
{
public:
VarFrameRoot(VariableTree *parent, int frame, int thread);
virtual ~VarFrameRoot();
virtual int rtti() const { return RTTI_VAR_FRAME_ROOT; }
virtual TQString key(int column, bool /*ascending*/) const {
return TQString("%1%2").arg(RTTI_VAR_FRAME_ROOT).arg(text(column));
}
void addLocals(char *variables);
void setLocals();
void setOpen(bool open);
void setFrameName(const TQString &frameName);
virtual void setActivationId();
bool needsVariables() const;
int frameNo() { return frameNo_; }
int threadNo() { return threadNo_; }
private:
bool needsVariables_;
int frameNo_;
int threadNo_;
TQCString cache_;
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class WatchRoot : public LazyFetchItem
{
public:
WatchRoot(VariableTree * parent);
virtual ~WatchRoot();
virtual int rtti() const { return RTTI_WATCH_ROOT; }
virtual TQString key(int column, bool /*ascending*/) const {
return TQString("%1%2").arg(RTTI_WATCH_ROOT).arg(text(column));
}
void setWatchExpression(char * buf, char * expr);
void updateWatchExpression(int id, const TQString& expr);
void restorePartialProjectSession(const TQDomElement* el);
void savePartialProjectSession(TQDomElement* el);
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
class GlobalRoot : public LazyFetchItem
{
public:
GlobalRoot(VariableTree * parent);
virtual ~GlobalRoot();
virtual int rtti() const { return RTTI_GLOBAL_ROOT; }
virtual TQString key(int column, bool /*ascending*/) const {
return TQString("%1%2").arg(RTTI_GLOBAL_ROOT).arg(text(column));
}
void setOpen(bool open);
void setGlobals(char * globals);
};
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
}
#endif