src/urlbutton.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
   3  *   Copyright (C) 2006 by Aaron J. Seigo (<aseigo@kde.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 UrlBUTTON_H
  22 #define UrlBUTTON_H
  23
  24 #include <qpushbutton.h>
  25 //Added by qt3to4:
  26 #include <QEvent>
  27
  28 class KUrl;
  29 class UrlNavigator;
  30 class QPainter;
  31
  32 /**
  33  * @brief Base class for buttons of the Url navigator.
  34  *
  35  * Each button of the Url navigator contains an Url, which
  36  * is set as soon as the button has been clicked.
  37 *
  38  * @author Peter Penz
  39  */
  40 class UrlButton : public QPushButton
  41 {
  42     Q_OBJECT
  43
  44 public:
  45     UrlButton(UrlNavigator* parent);
  46     virtual ~UrlButton();
  47
  48     UrlNavigator* urlNavigator() const;
  49
  50 protected:
  51     enum DisplayHint {
  52         ActivatedHint = 1,
  53         EnteredHint = 2,
  54         DraggedHint = 4,
  55         PopupActiveHint = 8
  56     };
  57
  58     void setDisplayHintEnabled(DisplayHint hint, bool enable);
  59     bool isDisplayHintEnabled(DisplayHint hint) const;
  60
  61     virtual void enterEvent(QEvent* event);
  62     virtual void leaveEvent(QEvent* event);
  63
  64     QColor mixColors(const QColor& c1, const QColor& c2) const;
  65
  66 private:
  67     int m_displayHint;
  68     UrlNavigator* m_urlNavigator;
  69 };
  70
  71 #endif