src/iconsizedialog.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, 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 General Public License     *
  15  *   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 ICONSIZEDIALOG_H
  21 #define ICONSIZEDIALOG_H
  22
  23 #include <kdialog.h>
  24
  25 class QSlider;
  26 class PixmapViewer;
  27
  28 /**
  29  * @brief Allows to adjust the size for icons and previews.
  30  *
  31  * Default usage:
  32  * \code
  33  *  IconSizeDialog dialog(this);
  34  *  if (dialog.exec() == QDialog::Accepted) {
  35  *      const int iconSize = dialog.iconSize();
  36  *      const int previewSize = dialog.previewSize();
  37  *      // ...
  38  *  }
  39  * \endcode
  40  */
  41 class IconSizeDialog : public KDialog
  42 {
  43     Q_OBJECT
  44
  45 public:
  46     explicit IconSizeDialog(QWidget* parent);
  47     virtual ~IconSizeDialog();
  48
  49     int iconSize() const
  50     {
  51         return m_iconSize;
  52     }
  53     int previewSize() const
  54     {
  55         return m_previewSize;
  56     }
  57
  58 protected slots:
  59     virtual void slotButtonClicked(int button);
  60
  61 private slots:
  62     void updateIconSize(int value);
  63     void updatePreviewSize(int value);
  64
  65 private:
  66     /** Returns the icon size for the given slider value. */
  67     int iconSize(int sliderValue) const;
  68
  69     /** Returns the slider value for the given icon size. */
  70     int sliderValue(int iconSize) const;
  71
  72 private:
  73     int m_iconSize;
  74     int m_previewSize;
  75
  76     QSlider* m_iconSizeSlider;
  77     PixmapViewer* m_iconSizeViewer;
  78     QSlider* m_previewSizeSlider;
  79     PixmapViewer* m_previewSizeViewer;
  80 };
  81
  82 #endif