workspace/plasma/shells/desktop/positioningruler.h

   1 /*
   2  *   Copyright 2008 Marco Martin <notmart@gmail.com>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License as
   6  *   published by the Free Software Foundation; either version 2, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef POSITIONINGRULER_H
  21 #define POSITIONINGRULER_H
  22
  23 #include <QWidget>
  24
  25 #include <Plasma/Plasma>
  26
  27
  28
  29 namespace Plasma
  30 {
  31     class Containment;
  32 }
  33
  34 class PositioningRuler : public QWidget
  35 {
  36 Q_OBJECT
  37 public:
  38     PositioningRuler(QWidget* parent = 0);
  39     ~PositioningRuler();
  40
  41     QSize sizeHint() const;
  42
  43     void setLocation(const Plasma::Location &loc);
  44     Plasma::Location location() const;
  45
  46     void setAlignment(const Qt::Alignment &align);
  47     Qt::Alignment alignment() const;
  48
  49     void setOffset(int newOffset);
  50     int offset() const;
  51
  52     void setMaxLength(int newMax);
  53     int maxLength() const;
  54
  55     void setMinLength(int newMin);
  56     int minLength() const;
  57
  58     void setAvailableLength(int newAvailable);
  59     int availableLength() const;
  60
  61 protected:
  62     bool event(QEvent *ev);
  63     void paintEvent(QPaintEvent *event);
  64     void wheelEvent(QWheelEvent *event);
  65     void mousePressEvent(QMouseEvent *event);
  66     void mouseReleaseEvent(QMouseEvent *event);
  67     void mouseMoveEvent(QMouseEvent *event);
  68     void resizeEvent(QResizeEvent *event);
  69
  70 Q_SIGNALS:
  71      void rulersMoved(int offset, int minLength, int maxLength);
  72
  73 private:
  74     class Private;
  75     Private *d;
  76 };
  77
  78
  79 #endif // multiple inclusion guard
  80