File indexing completed on 2024-05-12 16:39:56

 /* This file is part of the KDE project
    Copyright (C) 2012 Jarosław Staniek <staniek@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KexiLinkButton.h"
 #include "utils.h"
 
 #include <KGuiItem>
 
 #include <QCursor>
 #include <QStyle>
 #include <QStyleOptionButton>
 #include <QEvent>
 
 class Q_DECL_HIDDEN KexiLinkButton::Private
 {
 public:
     Private()
      : usesForegroundColor(false)
     {
     }
     bool usesForegroundColor;
     //! Used to remember the orig icon so setUsesForegroundColor(false) is possible
     QIcon origIcon;
 };
 
 KexiLinkButton::KexiLinkButton(QWidget* parent)
  : QPushButton(parent), d(new Private)
 {
     init();
 }
 
 KexiLinkButton::KexiLinkButton(const QIcon &icon, QWidget* parent)
  : QPushButton(icon, QString(), parent), d(new Private)
 {
     init();
 }
 
 KexiLinkButton::KexiLinkButton(const QPixmap &pixmap, QWidget* parent)
  : QPushButton(pixmap, QString(), parent), d(new Private)
 {
     init();
 }
 
 KexiLinkButton::KexiLinkButton(const KGuiItem &item, QWidget *parent)
  : QPushButton(item.icon(), item.text(), parent), d(new Private)
 {
     init();
 }
 
 KexiLinkButton::~KexiLinkButton()
 {
     delete d;
 }
 
 void KexiLinkButton::init()
 {
     setFlat(true);
     setText(QString());
     setCursor(QCursor(Qt::PointingHandCursor));
     setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     setForegroundRole(QPalette::Text);
     QStyleOptionButton option;
     option.initFrom(this);
     int m = style()->pixelMetric(QStyle::PM_ButtonMargin, &option, this);
     setFixedSize(iconSize() + QSize(m*2, m*2));
     d->origIcon = icon();
 }
 
 void KexiLinkButton::setUsesForegroundColor(bool set)
 {
     if (d->usesForegroundColor == set)
         return;
     d->usesForegroundColor = set;
     setIcon(d->origIcon);
 }
 
 bool KexiLinkButton::usesForegroundColor() const
 {
     return d->usesForegroundColor;
 }
 
 void KexiLinkButton::changeEvent(QEvent* event)
 {
     switch (event->type()) {
     case QEvent::EnabledChange:
     case QEvent::PaletteChange:
         updateIcon(icon());
         break;
     default:;
     }
     QPushButton::changeEvent(event);
 }
 
 void KexiLinkButton::updateIcon(const QIcon &icon)
 {
     if (!d->usesForegroundColor)
         return;
     QColor c(palette().color(foregroundRole()));
     QPixmap pixmap(icon.pixmap(iconSize()));
     KexiUtils::replaceColors(&pixmap, c);
     QPushButton::setIcon(pixmap);
 }
 
 void KexiLinkButton::setIcon(const QIcon &icon)
 {
     d->origIcon = icon;
     if (d->usesForegroundColor) {
         updateIcon(d->origIcon);
     }
     else {
         QPushButton::setIcon(d->origIcon);
     }
 }