mirror of
https://github.com/tomahawk-player/tomahawk.git
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117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
/*
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* Copyright 2009 Benjamin C. Meyer <ben@meyerhome.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "SearchButton.h"
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#include <qcompleter.h>
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#include <qevent.h>
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#include <qlineedit.h>
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#include <qpainter.h>
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SearchButton::SearchButton(QWidget *parent)
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: QAbstractButton(parent)
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, m_showMenuTriangle(false)
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{
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setFocusPolicy(Qt::NoFocus);
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setCursor(Qt::ArrowCursor);
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setMinimumSize(sizeHint());
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}
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QSize SearchButton::sizeHint() const
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{
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if (!m_cache.isNull())
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return m_cache.size();
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if (m_showMenuTriangle)
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return QSize(16, 16);
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return QSize(12, 16);
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}
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QImage SearchButton::generateSearchImage(bool dropDown)
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{
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QImage image(dropDown ? 16 : 12, 16, QImage::Format_ARGB32);
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image.fill(qRgba(0, 0, 0, 0));
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QPainterPath path;
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// draw magnify glass circle
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int radius = image.height() / 2;
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QRect circle(1, 1, radius, radius);
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path.addEllipse(circle);
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// draw handle
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path.arcMoveTo(circle, 300);
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QPointF currentPosition = path.currentPosition();
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path.moveTo(currentPosition.x() + 1, currentPosition.y() + 1);
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if (dropDown)
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path.lineTo(image.width()-6, image.height()-4);
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else
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path.lineTo(image.width()-2, image.height()-4);
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QPainter painter(&image);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setPen(QPen(Qt::darkGray, 2));
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painter.drawPath(path);
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if (dropDown) {
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// draw the dropdown triangle
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QPainterPath dropPath;
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dropPath.arcMoveTo(circle, 320);
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QPointF currentPosition = dropPath.currentPosition();
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currentPosition = QPointF(currentPosition.x() + 2, currentPosition.y() + 0.5);
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dropPath.moveTo(currentPosition);
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dropPath.lineTo(currentPosition.x() + 4, currentPosition.y());
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dropPath.lineTo(currentPosition.x() + 2, currentPosition.y() + 2);
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dropPath.closeSubpath();
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painter.setPen(Qt::darkGray);
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painter.setBrush(Qt::darkGray);
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painter.setRenderHint(QPainter::Antialiasing, false);
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painter.drawPath(dropPath);
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}
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painter.end();
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return image;
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}
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void SearchButton::setImage(const QImage &image)
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{
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m_cache = image;
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setMinimumSize(sizeHint());
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update();
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}
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void SearchButton::setShowMenuTriangle(bool show)
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{
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m_showMenuTriangle = show;
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setMinimumSize(sizeHint());
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}
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bool SearchButton::showMenuTriangle() const
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{
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return m_showMenuTriangle;
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}
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void SearchButton::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event);
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if (m_cache.isNull())
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m_cache = generateSearchImage(m_showMenuTriangle);
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QPainter painter(this);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.drawImage(QPoint(0, 0), m_cache);
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}
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