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Diffstat (limited to 'languages/ruby/debugger/variablewidget.h')
-rw-r--r-- | languages/ruby/debugger/variablewidget.h | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/languages/ruby/debugger/variablewidget.h b/languages/ruby/debugger/variablewidget.h new file mode 100644 index 00000000..c608ec45 --- /dev/null +++ b/languages/ruby/debugger/variablewidget.h @@ -0,0 +1,348 @@ +/*************************************************************************** + begin : Sun Aug 8 1999 + copyright : (C) 1999 by John Birch + email : [email protected] + + Adapted for ruby debugging + -------------------------- + begin : Mon Nov 1 2004 + copyright : (C) 2004 by Richard Dale + email : [email protected] + ***************************************************************************/ + +/*************************************************************************** + * * + * 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 <qwidget.h> +#include <qtooltip.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 QWidget +{ + Q_OBJECT + +public: + VariableWidget( QWidget *parent=0, const char *name=0 ); + + VariableTree *varTree() const + { return varTree_; } + + virtual void setEnabled(bool b); + + void restorePartialProjectSession(const QDomElement* el); + void savePartialProjectSession(QDomElement* el); + +protected: + virtual void focusInEvent(QFocusEvent *e); + +public slots: + void slotAddWatchExpression(); + void slotAddWatchExpression(const QString &expr); + +private: + VariableTree *varTree_; + KHistoryCombo *watchVarEditor_; +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +class VariableTree : public KListView, public QToolTip +{ + 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 QToolTip) Display a tooltip when the cursor is over an item + virtual void maybeTip(const QPoint &); + + virtual void setSelected(QListViewItem * item, bool selected); + +signals: + void toggleWatchpoint(const QString &varName); + void selectFrame(int frame, int thread); + void expandItem(VarItem *item, const QCString &request); + void fetchGlobals(bool fetch); + void addWatchExpression(const QString& expr, bool execute); + void removeWatchExpression(int displayId); + +public slots: + void slotAddWatchExpression(const QString& watchVar); + void slotFrameActive(int frameNo, int threadNo, const QString& frameName); + void slotPressed(QListViewItem * item); + +private slots: + void slotContextMenu(KListView *, QListViewItem *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 QString& 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( QPainter *p, const QColorGroup &cg, + int column, int width, int align ); + +private: + int activationId_; + bool waitingForData_; +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +class VarItem : public LazyFetchItem +{ +public: + VarItem( LazyFetchItem *parent, const QString &varName, DataType dataType ); + + virtual ~VarItem(); + + virtual int rtti() const { return RTTI_VAR_ITEM; } + virtual QString key(int column, bool ascending) const; + + QString fullName() const; + + DataType dataType() const; + void setDataType(DataType dataType); + + void setOpen(bool open); + void setText (int column, const QString& text); + + // Returns the text to be displayed as tooltip (the value) + QString 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( QPainter *p, const QColorGroup &cg, + int column, int width, int align ); + +private: + QString key_; + QCString cache_; + DataType dataType_; + bool highlight_; +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +class WatchVarItem : public VarItem +{ +public: + WatchVarItem( LazyFetchItem *parent, const QString &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 QString key(int column, bool /*ascending*/) const { + return QString("%1%2").arg(RTTI_VAR_FRAME_ROOT).arg(text(column)); + } + + void addLocals(char *variables); + void setLocals(); + void setOpen(bool open); + + void setFrameName(const QString &frameName); + + virtual void setActivationId(); + bool needsVariables() const; + + int frameNo() { return frameNo_; } + int threadNo() { return threadNo_; } + +private: + bool needsVariables_; + int frameNo_; + int threadNo_; + QCString cache_; +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +class WatchRoot : public LazyFetchItem +{ +public: + WatchRoot(VariableTree * parent); + virtual ~WatchRoot(); + + virtual int rtti() const { return RTTI_WATCH_ROOT; } + + virtual QString key(int column, bool /*ascending*/) const { + return QString("%1%2").arg(RTTI_WATCH_ROOT).arg(text(column)); + } + + void setWatchExpression(char * buf, char * expr); + void updateWatchExpression(int id, const QString& expr); + + void restorePartialProjectSession(const QDomElement* el); + void savePartialProjectSession(QDomElement* el); +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +class GlobalRoot : public LazyFetchItem +{ +public: + GlobalRoot(VariableTree * parent); + virtual ~GlobalRoot(); + + virtual int rtti() const { return RTTI_GLOBAL_ROOT; } + + virtual QString key(int column, bool /*ascending*/) const { + return QString("%1%2").arg(RTTI_GLOBAL_ROOT).arg(text(column)); + } + + void setOpen(bool open); + void setGlobals(char * globals); +}; + +/***************************************************************************/ +/***************************************************************************/ +/***************************************************************************/ + +} + +#endif |