kdbg/tableview.h

   1 // $Id$
   2
   3 // Copyright by Johannes Sixt
   4 // This file is under GPL, the GNU General Public Licence
   5
   6 #ifndef TABLEVIEW_H
   7 #define TABLEVIEW_H
   8
   9 #include <qwidget.h>
  10
  11 class QScrollBar;
  12
  13 class TableView : public QWidget
  14 {
  15     Q_OBJECT
  16 public:
  17     TableView(QWidget* parent, const char* name, WFlags f);
  18     ~TableView();
  19
  20     void setNumCols(int cols);
  21     int numCols() const { return m_numCols; }
  22     void setNumRows(int rows);
  23     int numRows() const { return m_numRows; }
  24     void setAutoUpdate(bool update) { m_autoUpdate = update; }
  25     bool autoUpdate() const { return m_autoUpdate; }
  26     void updateTableSize();
  27     int totalWidth() const { return m_totalSize.width(); }
  28     int totalHeight() const { return m_totalSize.height(); }
  29     int lastRowVisible() const;
  30     void setTopCell(int row);
  31     int topCell() const;
  32     int leftCell() const;
  33     void setXOffset(int x) { setOffset(x, yOffset()); }
  34     int xOffset() const { return m_xOffset; }
  35     int maxXOffset() const;
  36     void setYOffset(int y) { setOffset(xOffset(), y); }
  37     int yOffset() const { return m_yOffset; }
  38     int maxYOffset() const;
  39     void setOffset(int x, int y);
  40     int viewWidth() const;
  41     int viewHeight() const;
  42     bool rowIsVisible(int row) const;
  43     int findRow(int y) const;
  44     bool rowYPos(int row, int* top) const;
  45     int findCol(int x) const;
  46     bool colXPos(int col, int* left) const;
  47     void updateCell(int row, int col, bool erase = true);
  48
  49     // override in derived classes
  50     virtual int cellWidth(int col) const = 0;
  51     virtual int cellHeight(int row) const = 0;
  52     virtual void paintCell(QPainter* p, int row, int col) = 0;
  53     virtual void setupPainter(QPainter* p);
  54
  55 protected:
  56     // overrides
  57     virtual void resizeEvent(QResizeEvent* ev);
  58     virtual void paintEvent(QPaintEvent* ev);
  59     virtual void wheelEvent(QWheelEvent* ev);
  60
  61 public slots:
  62     void sbVer(int value);
  63     void sbHor(int value);
  64
  65 private:
  66     int m_numRows, m_numCols;
  67     int m_xOffset, m_yOffset;
  68     QSize m_totalSize;
  69     bool m_autoUpdate;
  70     QScrollBar* m_sbV;
  71     QScrollBar* m_sbH;
  72     QWidget* m_sbCorner;
  73     void updateScrollBars();
  74 };
  75
  76 #endif // TABLEVIEW_H