src/urlbutton.cpp

   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 #include "urlnavigatorbutton.h"
  22 #include <kurl.h>
  23 #include <qtooltip.h>
  24 #include <qcursor.h>
  25 #include <qfontmetrics.h>
  26 //Added by qt3to4:
  27 #include <QEvent>
  28 #include <kurldrag.h>
  29 #include <kpopupmenu.h>
  30 #include <kiconloader.h>
  31 #include <klocale.h>
  32
  33 #include "urlnavigator.h"
  34 #include "dolphin.h"
  35
  36
  37 URLButton::URLButton(URLNavigator* parent)
  38 : QPushButton(parent),
  39   m_displayHint(0),
  40   m_urlNavigator(parent)
  41 {
  42     setFocusPolicy(Qt::NoFocus);
  43     setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
  44     setMinimumHeight(parent->minimumHeight());
  45
  46     connect(this, SIGNAL(clicked()), parent, SLOT(slotRequestActivation()));
  47     connect(&Dolphin::mainWin(), SIGNAL(activeViewChanged()),
  48             this, SLOT(update()));
  49 }
  50
  51 URLButton::~URLButton()
  52 {
  53 }
  54
  55 URLNavigator* URLButton::urlNavigator() const
  56 {
  57     return m_urlNavigator;
  58 }
  59
  60 void URLButton::setDisplayHintEnabled(DisplayHint hint,
  61                                       bool enable)
  62 {
  63     if (enable) {
  64         m_displayHint = m_displayHint | hint;
  65     }
  66     else {
  67         m_displayHint = m_displayHint & ~hint;
  68     }
  69     update();
  70 }
  71
  72 bool URLButton::isDisplayHintEnabled(DisplayHint hint) const
  73 {
  74     return (m_displayHint & hint) > 0;
  75 }
  76
  77 void URLButton::enterEvent(QEvent* event)
  78 {
  79     QPushButton::enterEvent(event);
  80     setDisplayHintEnabled(EnteredHint, true);
  81     update();
  82 }
  83
  84 void URLButton::leaveEvent(QEvent* event)
  85 {
  86     QPushButton::leaveEvent(event);
  87     setDisplayHintEnabled(EnteredHint, false);
  88     update();
  89 }
  90
  91 QColor URLButton::mixColors(const QColor& c1,
  92                             const QColor& c2) const
  93 {
  94     const int Qt::red   = (c1.Qt::red()   + c2.Qt::red())   / 2;
  95     const int Qt::green = (c1.Qt::green() + c2.Qt::green()) / 2;
  96     const int Qt::blue  = (c1.Qt::blue()  + c2.Qt::blue())  / 2;
  97     return QColor(Qt::red, Qt::green, Qt::blue);
  98 }