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  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  19  ***************************************************************************/
  20
  21 #ifndef URLBUTTON_H
  22 #define URLBUTTON_H
  23
  24 #include <QEvent>
  25 #include <QPushButton>
  26
  27 class KUrl;
  28 class UrlNavigator;
  29 class QPainter;
  30
  31 /**
  32  * @brief Base class for buttons of the URL navigator.
  33  *
  34  * Each button of the URL navigator contains an URL, which
  35  * is set as soon as the button has been clicked.
  36 *
  37  * @author Peter Penz
  38  */
  39 class UrlButton : public QPushButton
  40 {
  41     Q_OBJECT
  42
  43 public:
  44     explicit UrlButton(UrlNavigator* parent);
  45     virtual ~UrlButton();
  46
  47     UrlNavigator* urlNavigator() const;
  48
  49 protected:
  50     enum DisplayHint {
  51         ActivatedHint = 1,
  52         EnteredHint = 2,
  53         DraggedHint = 4,
  54         PopupActiveHint = 8
  55     };
  56
  57     void setDisplayHintEnabled(DisplayHint hint, bool enable);
  58     bool isDisplayHintEnabled(DisplayHint hint) const;
  59
  60     virtual void enterEvent(QEvent* event);
  61     virtual void leaveEvent(QEvent* event);
  62
  63     QColor mixColors(const QColor& c1, const QColor& c2) const;
  64
  65 private:
  66     int m_displayHint;
  67     UrlNavigator* m_urlNavigator;
  68 };
  69
  70 #endif