kdbg/sourcewnd.h

   1 /*
   2  * Copyright Johannes Sixt
   3  * This file is licensed under the GNU General Public License Version 2.
   4  * See the file COPYING in the toplevel directory of the source directory.
   5  */
   6
   7 #ifndef SOURCEWND_H
   8 #define SOURCEWND_H
   9
  10 #include <qpixmap.h>
  11 #include <qtextedit.h>
  12 #include <qsyntaxhighlighter.h>
  13 #include <vector>
  14 #include "dbgdriver.h"
  15
  16 // forward declarations
  17 class KDebugger;
  18 struct DbgAddr;
  19
  20 class SourceWindow : public QTextEdit
  21 {
  22     Q_OBJECT
  23 public:
  24     SourceWindow(const QString& fileName, QWidget* parent, const char* name);
  25     ~SourceWindow();
  26
  27     bool loadFile();
  28     void reloadFile();
  29     bool fileNameMatches(const QString& other);
  30     void scrollTo(int lineNo, const DbgAddr& address);
  31     const QString& fileName() const { return m_fileName; }
  32     void updateLineItems(const KDebugger* dbg);
  33     void setPC(bool set, int lineNo, const DbgAddr& address, int frameNo);
  34     enum FindDirection { findForward = 1, findBackward = -1 };
  35     void find(const QString& text, bool caseSensitive, FindDirection dir);
  36     bool wordAtPoint(const QPoint& p, QString& word, QRect& r);
  37     /**
  38      * Translates row number (zero-based) to zero-based source line number.
  39      * If sourceRow is non-zero, it is filled with the source code row
  40      * belonging to the line number.
  41      */
  42     int rowToLine(int row, int* sourceRow = 0);
  43     /** Translates zero-based source line number to row number (zero-based) */
  44     int lineToRow(int line);
  45     /** Is the row disassembled? */
  46     bool isRowExpanded(int row);
  47     /** Does the row show disassembled code? */
  48     bool isRowDisassCode(int row);
  49
  50     /** lineNo is zero-based */
  51     void disassembled(int lineNo, const std::list<DisassembledCode>& disass);
  52
  53     void activeLine(int& lineNo, DbgAddr& address);
  54
  55 protected:
  56     virtual void drawFrame(QPainter* p);
  57     virtual bool eventFilter(QObject* watched, QEvent* e);
  58     virtual void contextMenuEvent(QContextMenuEvent* e);
  59     virtual void mousePressEvent(QMouseEvent* ev);
  60     virtual void keyPressEvent(QKeyEvent* ev);
  61     virtual void paletteChange(const QPalette&);
  62     void expandRow(int row);
  63     void collapseRow(int row);
  64     void scrollToRow(int row);
  65     /** translates (0-based) line number plus a code address into a row number */
  66     int lineToRow(int row, const DbgAddr& address);
  67
  68     void actionExpandRow(int row);
  69     void actionCollapseRow(int row);
  70
  71 signals:
  72     void clickedLeft(const QString&, int, const DbgAddr& address, bool);
  73     void clickedMid(const QString&, int, const DbgAddr& address);
  74     void disassemble(const QString&, int);
  75     void expanded(int lineNo);          /* source lineNo has been expanded */
  76     void collapsed(int lineNo);         /* source lineNo has been collapsed */
  77 public slots:
  78     void setTabWidth(int numChars);
  79     void cursorChanged(int row);
  80
  81 protected:
  82     QString m_fileName;
  83     enum LineItem { liPC = 1, liPCup = 2,
  84         liBP = 4, liBPdisabled = 8, liBPtemporary = 16,
  85         liBPconditional = 32, liBPorphan = 64,
  86         liBPany = liBP|liBPdisabled|liBPtemporary|liBPconditional|liBPorphan
  87     };
  88
  89     struct SourceLine {
  90         QString code;                   /* a line of text */
  91         std::vector<QString> disass;            /* its disassembled code */
  92         std::vector<DbgAddr> disassAddr;        /* the addresses thereof */
  93         bool canDisass;                 /* if line can be disassembled */
  94         SourceLine() : canDisass(true) { }
  95         int findAddressRowOffset(const DbgAddr& address) const;
  96     };
  97     std::vector<SourceLine> m_sourceCode;
  98
  99     std::vector<int> m_rowToLine;       //!< The source line number for each row
 100     std::vector<uchar> m_lineItems;     //!< Icons displayed on the line
 101     QPixmap m_pcinner;                  /* PC at innermost frame */
 102     QPixmap m_pcup;                     /* PC at frame up the stack */
 103     QPixmap m_brkena;                   /* enabled breakpoint */
 104     QPixmap m_brkdis;                   /* disabled breakpoint */
 105     QPixmap m_brktmp;                   /* temporary breakpoint marker */
 106     QPixmap m_brkcond;                  /* conditional breakpoint marker */
 107     QPixmap m_brkorph;                  /* orphaned breakpoint marker */
 108     QFont m_lineNoFont;                 //!< The font used to draw line numbers
 109     int m_curRow;                       //!< The highlighted row
 110     int m_widthItems;                   //!< The width of the item column
 111     int m_widthPlus;                    //!< The width of the expander column
 112     int m_widthLineNo;                  //!< The width of the line number columns
 113 };
 114
 115 class HighlightCpp : public QSyntaxHighlighter
 116 {
 117     SourceWindow* m_srcWnd;
 118
 119 public:
 120     HighlightCpp(SourceWindow* srcWnd);
 121     virtual int highlightParagraph(const QString& text, int state);
 122 };
 123
 124 #endif // SOURCEWND_H