src/colorpicker.h

   1 /***************************************************************************
   2  *   Copyright (C) 2003 by S�astien Laot                                 *
   3  *   slaout@linux62.org                                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef COLORPICKER_H
  22 #define COLORPICKER_H
  23
  24 #include <qdesktopwidget.h>
  25 //Added by qt3to4:
  26 #include <QKeyEvent>
  27 #include <QMouseEvent>
  28
  29 /** Class to pick a color on the screen
  30   * @author S�astien Laot
  31   */
  32 class DesktopColorPicker : public QDesktopWidget
  33 {
  34   Q_OBJECT
  35   public:
  36         /** Construtor, initializer and destructor */
  37         DesktopColorPicker();
  38         ~DesktopColorPicker();
  39   public slots:
  40         /** Begin color picking.
  41           * This function returns immediatly, and pickedColor() is emitted if user has
  42           * choosen a color, and not canceled the process (by pressing Escape).
  43           */
  44         void pickColor();
  45   signals:
  46         /** When user picked a color, this signal is emitted.
  47           */
  48         void pickedColor(const QColor &color);
  49         /** When user cancel a picking (by pressing Escape), this signal is emitted.
  50           */
  51         void canceledPick();
  52   protected slots:
  53         void slotDelayedPick();
  54   protected:
  55         void mouseReleaseEvent(QMouseEvent *event);
  56         void keyPressEvent(QKeyEvent *event);
  57         bool m_gettingColorFromScreen;
  58 };
  59
  60 #endif // COLORPICKER_H