1609 lines
48 KiB
C++
1609 lines
48 KiB
C++
/*
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* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org>
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* Copyright 2007 by Matt Broadstone <mbroadst@gmail.com>
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* Copyright 2006-2007 Fredrik Höglund <fredrik@kde.org>
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* Copyright 2007 by Marco Martin <notmart@gmail.com>
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* Copyright 2008 by Alexis Ménard <darktears31@gmail.com>
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2, 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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "iconwidget.h"
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#include "iconwidget_p.h"
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#include <QAction>
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#include <QApplication>
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsView>
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#include <QMenu>
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#include <QPainter>
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#include <QStyleOptionGraphicsItem>
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#include <QTextLayout>
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#include <QTimer>
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#include <kcolorscheme.h>
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#include <kdebug.h>
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#include <kglobalsettings.h>
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#include <kicon.h>
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#include <kiconeffect.h>
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#include <kiconloader.h>
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#include <kmimetype.h>
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#include <kurl.h>
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#include "animator.h"
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#include "animations/animation.h"
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#include "paintutils.h"
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#include "private/themedwidgetinterface_p.h"
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#include "theme.h"
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#include "svg.h"
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/*
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TODO:
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Add these to a UrlIcon class
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void setUrl(const KUrl& url);
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KUrl url() const;
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*/
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namespace Plasma
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{
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IconHoverAnimation::IconHoverAnimation(QObject *parent)
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: QObject(parent), m_value(0), m_fadeIn(false)
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{
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}
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qreal IconHoverAnimation::value() const
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{
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return m_value;
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}
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bool IconHoverAnimation::fadeIn() const
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{
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return m_fadeIn;
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}
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QPropertyAnimation *IconHoverAnimation::animation() const
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{
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return m_animation.data();
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}
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void IconHoverAnimation::setValue(qreal value)
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{
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m_value = value;
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QGraphicsWidget *item = static_cast<QGraphicsWidget*>(parent());
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item->update();
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}
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void IconHoverAnimation::setFadeIn(bool fadeIn)
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{
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m_fadeIn = fadeIn;
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}
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void IconHoverAnimation::setAnimation(QPropertyAnimation *animation)
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{
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m_animation = animation;
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}
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IconWidgetPrivate::IconWidgetPrivate(IconWidget *i)
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: ActionWidgetInterface<IconWidget>(i),
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iconSvg(0),
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hoverAnimation(new IconHoverAnimation(q)),
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iconSize(48, 48),
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preferredIconSize(-1, -1),
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minimumIconSize(-1, -1),
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maximumIconSize(-1, -1),
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states(IconWidgetPrivate::NoState),
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orientation(Qt::Vertical),
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numDisplayLines(2),
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activeMargins(0),
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iconSvgElementChanged(false),
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invertLayout(false),
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drawBg(false),
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textBgCustomized(false)
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{
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}
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IconWidgetPrivate::~IconWidgetPrivate()
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{
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qDeleteAll(cornerActions);
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delete hoverAnimation;
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}
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void IconWidgetPrivate::readColors()
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{
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textColor = Plasma::Theme::defaultTheme()->color(Theme::TextColor);
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if (qGray(textColor.rgb()) > 192) {
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shadowColor = Qt::black;
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} else {
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shadowColor = Qt::white;
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}
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if (!textBgCustomized) {
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textBgColor = QColor();
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}
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}
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void IconWidgetPrivate::colorConfigChanged()
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{
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readColors();
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if (drawBg) {
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qreal left, top, right, bottom;
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background->getMargins(left, top, right, bottom);
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setVerticalMargin(IconWidgetPrivate::ItemMargin, left, top, right, bottom);
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setHorizontalMargin(IconWidgetPrivate::ItemMargin, left, top, right, bottom);
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}
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q->update();
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}
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void IconWidgetPrivate::iconConfigChanged()
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{
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if (!icon.isNull()) {
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q->update();
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}
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}
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IconAction::IconAction(IconWidget *icon, QAction *action)
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: m_icon(icon),
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m_action(action),
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m_hovered(false),
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m_pressed(false),
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m_selected(false),
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m_visible(false)
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{
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}
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void IconAction::show()
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{
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Animation *animation = m_animation.data();
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if (!animation) {
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animation = Plasma::Animator::create(Plasma::Animator::PixmapTransitionAnimation, m_icon);
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animation->setTargetWidget(m_icon);
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m_animation = animation;
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} else if (animation->state() == QAbstractAnimation::Running) {
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animation->pause();
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}
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rebuildPixmap();
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m_visible = true;
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animation->setProperty("targetPixmap", m_pixmap);
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animation->setDirection(QAbstractAnimation::Forward);
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animation->start();
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}
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void IconAction::hide()
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{
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if (!m_animation) {
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return;
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}
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Animation *animation = m_animation.data();
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if (animation->state() == QAbstractAnimation::Running) {
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animation->pause();
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}
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m_visible = false;
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animation->setDirection(QAbstractAnimation::Backward);
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animation->start(QAbstractAnimation::DeleteWhenStopped);
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}
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bool IconAction::isVisible() const
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{
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return m_visible;
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}
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bool IconAction::isAnimating() const
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{
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return !m_animation.isNull();
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}
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bool IconAction::isPressed() const
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{
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return m_pressed;
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}
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bool IconAction::isHovered() const
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{
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return m_hovered;
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}
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void IconAction::setSelected(bool selected)
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{
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m_selected = selected;
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}
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bool IconAction::isSelected() const
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{
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return m_selected;
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}
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void IconAction::setRect(const QRectF &rect)
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{
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m_rect = rect;
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}
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QRectF IconAction::rect() const
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{
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return m_rect;
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}
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void IconAction::rebuildPixmap()
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{
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// Determine proper QIcon mode based on selection status
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QIcon::Mode mode = m_selected ? QIcon::Selected : QIcon::Normal;
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// Draw everything
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m_pixmap = QPixmap(26, 26);
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m_pixmap.fill(Qt::transparent);
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int element = IconWidgetPrivate::Minibutton;
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if (m_pressed) {
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element = IconWidgetPrivate::MinibuttonPressed;
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} else if (m_hovered) {
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element = IconWidgetPrivate::MinibuttonHover;
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}
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QPainter painter(&m_pixmap);
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m_icon->drawActionButtonBase(&painter, m_pixmap.size(), element);
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m_action->icon().paint(&painter, 2, 2, 22, 22, Qt::AlignCenter, mode);
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}
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bool IconAction::event(QEvent::Type type, const QPointF &pos)
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{
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if (!m_action->isVisible() || !m_action->isEnabled()) {
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return false;
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}
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if (m_icon->size().width() < m_rect.width() * 2.0 ||
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m_icon->size().height() < m_rect.height() * 2.0) {
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return false;
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}
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switch (type) {
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case QEvent::GraphicsSceneMousePress:
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{
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setSelected(m_rect.contains(pos));
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return isSelected();
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}
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break;
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case QEvent::GraphicsSceneMouseMove:
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{
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bool wasSelected = isSelected();
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bool active = m_rect.contains(pos);
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setSelected(wasSelected && active);
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return (wasSelected != isSelected()) || active;
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}
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break;
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case QEvent::GraphicsSceneMouseRelease:
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{
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// kDebug() << "IconAction::event got a QEvent::MouseButtonRelease, " << isSelected();
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bool wasSelected = isSelected();
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setSelected(false);
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if (wasSelected) {
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m_action->trigger();
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}
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return wasSelected;
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}
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break;
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case QEvent::GraphicsSceneHoverEnter:
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m_pressed = false;
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m_hovered = true;
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break;
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case QEvent::GraphicsSceneHoverLeave:
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m_pressed = false;
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m_hovered = false;
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break;
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default:
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break;
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}
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return false;
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}
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QAction *IconAction::action() const
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{
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return m_action;
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}
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void IconAction::paint(QPainter *painter) const
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{
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if (!m_action->isVisible() || !m_action->isEnabled()) {
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return;
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}
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if (m_icon->size().width() < m_rect.width() * 2.0 ||
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m_icon->size().height() < m_rect.height() * 2.0) {
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return;
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}
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Animation *animation = m_animation.data();
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if (m_visible && !animation) {
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painter->drawPixmap(m_rect.toRect(), m_pixmap);
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} else {
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painter->drawPixmap(m_rect.toRect(),
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animation->property("currentPixmap").value<QPixmap>());
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}
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}
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IconWidget::IconWidget(QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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d(new IconWidgetPrivate(this))
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{
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d->init();
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}
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IconWidget::IconWidget(const QString &text, QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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d(new IconWidgetPrivate(this))
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{
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d->init();
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setText(text);
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}
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IconWidget::IconWidget(const QIcon &icon, const QString &text, QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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d(new IconWidgetPrivate(this))
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{
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d->init();
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setText(text);
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setIcon(icon);
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}
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IconWidget::~IconWidget()
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{
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delete d;
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}
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void IconWidgetPrivate::init()
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{
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readColors();
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iconChangeTimer = new QTimer(q);
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iconChangeTimer->setSingleShot(true);
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QObject::connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), q, SLOT(colorConfigChanged()));
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QObject::connect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()), q, SLOT(colorConfigChanged()));
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QObject::connect(KGlobalSettings::self(), SIGNAL(iconChanged(int)), q, SLOT(iconConfigChanged()));
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// setAcceptedMouseButtons(Qt::LeftButton);
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q->setAcceptsHoverEvents(true);
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q->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
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background = new Plasma::FrameSvg(q);
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background->setImagePath("widgets/viewitem");
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background->setCacheAllRenderedFrames(true);
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background->setElementPrefix("hover");
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// Margins for horizontal mode (list views, tree views, table views)
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setHorizontalMargin(IconWidgetPrivate::TextMargin, 1, 1);
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setHorizontalMargin(IconWidgetPrivate::IconMargin, 1, 1);
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setHorizontalMargin(IconWidgetPrivate::ItemMargin, 0, 0);
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// Margins for vertical mode (icon views)
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setVerticalMargin(IconWidgetPrivate::TextMargin, 6, 2);
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setVerticalMargin(IconWidgetPrivate::IconMargin, 1, 1);
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setVerticalMargin(IconWidgetPrivate::ItemMargin, 0, 0);
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setActiveMargins();
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currentSize = QSizeF(-1, -1);
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initTheming();
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}
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void IconWidget::addIconAction(QAction *action)
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{
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int count = d->cornerActions.count();
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if (count >= IconWidgetPrivate::LastIconPosition) {
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kDebug() << "no more room for more actions!";
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// just overlap it with the last item for now. ugly, but there you go.
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}
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IconAction *iconAction = new IconAction(this, action);
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d->cornerActions.append(iconAction);
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connect(action, SIGNAL(destroyed(QObject*)), this, SLOT(actionDestroyed(QObject*)));
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iconAction->setRect(d->actionRect(qMin((IconWidgetPrivate::ActionPosition)count, IconWidgetPrivate::LastIconPosition)));
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}
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void IconWidget::removeIconAction(QAction *action)
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{
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//WARNING: do NOT access the action pointer passed in, as it may already be
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//be destroyed. see IconWidgetPrivate::actionDestroyed(QObject*)
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int count = 0;
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bool found = false;
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foreach (IconAction *iconAction, d->cornerActions) {
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if (found) {
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iconAction->setRect(d->actionRect((IconWidgetPrivate::ActionPosition)count));
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} else if (!action || iconAction->action() == action) {
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delete iconAction;
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d->cornerActions.removeAll(iconAction);
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}
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if (count < IconWidgetPrivate::LastIconPosition) {
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++count;
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}
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}
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// redraw since an action has been deleted.
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update();
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}
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void IconWidgetPrivate::actionDestroyed(QObject *action)
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{
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q->removeIconAction(static_cast<QAction*>(action));
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}
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void IconWidget::setAction(QAction *action)
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{
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d->setAction(action);
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}
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QAction *IconWidget::action() const
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{
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return d->action;
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}
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int IconWidget::numDisplayLines()
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{
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return d->numDisplayLines;
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}
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void IconWidget::setNumDisplayLines(int numLines)
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{
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if (numLines > d->maxDisplayLines) {
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d->numDisplayLines = d->maxDisplayLines;
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} else {
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d->numDisplayLines = numLines;
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}
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}
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void IconWidget::setDrawBackground(bool draw)
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{
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if (d->drawBg != draw) {
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d->drawBg = draw;
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QStyle *style = QApplication::style();
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int focusHMargin = draw ? style->pixelMetric(QStyle::PM_FocusFrameHMargin) : 1;
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int focusVMargin = draw ? style->pixelMetric(QStyle::PM_FocusFrameVMargin) : 1;
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d->setHorizontalMargin(IconWidgetPrivate::TextMargin, focusHMargin, focusVMargin);
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d->setHorizontalMargin(IconWidgetPrivate::IconMargin, focusHMargin, focusVMargin);
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d->setVerticalMargin(IconWidgetPrivate::IconMargin, focusHMargin, focusVMargin);
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d->currentSize = QSizeF(-1, -1);
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if (draw) {
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qreal left, top, right, bottom;
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d->background->getMargins(left, top, right, bottom);
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d->setHorizontalMargin(IconWidgetPrivate::ItemMargin, left, top, right, bottom);
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d->setVerticalMargin(IconWidgetPrivate::ItemMargin, left, top, right, bottom);
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} else {
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d->setHorizontalMargin(IconWidgetPrivate::ItemMargin, 0, 0);
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d->setVerticalMargin(IconWidgetPrivate::ItemMargin, 0, 0);
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}
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update();
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updateGeometry();
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}
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}
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bool IconWidget::drawBackground() const
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{
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return d->drawBg;
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}
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QPainterPath IconWidget::shape() const
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{
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if (!d->drawBg || d->currentSize.width() < 1) {
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return QGraphicsItem::shape();
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}
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return PaintUtils::roundedRectangle(
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QRectF(QPointF(0.0, 0.0), d->currentSize).adjusted(-2, -2, 2, 2), 10.0);
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}
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QSizeF IconWidgetPrivate::displaySizeHint(const QStyleOptionGraphicsItem *option, const qreal width) const
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{
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if (text.isEmpty() && infoText.isEmpty()) {
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return QSizeF(.0, .0);
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}
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QString label = text;
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// const qreal maxWidth = (orientation == Qt::Vertical) ? iconSize.width() + 10 : 32757;
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// NOTE: find a way to use the other layoutText, it currently returns nominal width, when
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// we actually need the actual width.
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qreal textWidth = width -
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horizontalMargin[IconWidgetPrivate::TextMargin].left -
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horizontalMargin[IconWidgetPrivate::TextMargin].right;
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//allow only five lines of text
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const qreal maxHeight =
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numDisplayLines * QFontMetrics(q->font()).lineSpacing();
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// To compute the nominal size for the label + info, we'll just append
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// the information string to the label
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if (!infoText.isEmpty()) {
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label += QString(QChar::LineSeparator) + infoText;
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}
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|
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QTextLayout layout;
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setLayoutOptions(layout, option, q->orientation());
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layout.setFont(q->font());
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QSizeF size = layoutText(layout, label, QSizeF(textWidth, maxHeight));
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return addMargin(size, TextMargin);
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}
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void IconWidgetPrivate::layoutIcons(const QStyleOptionGraphicsItem *option)
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{
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if (option->rect.size() == currentSize) {
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return;
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}
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currentSize = option->rect.size();
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iconSize = iconSizeForWidgetSize(option, currentSize);
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int count = 0;
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foreach (IconAction *iconAction, cornerActions) {
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iconAction->setRect(actionRect((IconWidgetPrivate::ActionPosition)count));
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++count;
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}
|
|
}
|
|
|
|
QSizeF IconWidgetPrivate::iconSizeForWidgetSize(const QStyleOptionGraphicsItem *option, const QSizeF &rect)
|
|
{
|
|
setActiveMargins();
|
|
|
|
//calculate icon size based on the available space
|
|
qreal iconWidth;
|
|
|
|
if (orientation == Qt::Vertical) {
|
|
qreal heightAvail;
|
|
//if there is text resize the icon in order to make room for the text
|
|
if (text.isEmpty() && infoText.isEmpty()) {
|
|
heightAvail = rect.height();
|
|
} else {
|
|
heightAvail = rect.height() -
|
|
displaySizeHint(option, rect.width()).height() -
|
|
verticalMargin[IconWidgetPrivate::TextMargin].top -
|
|
verticalMargin[IconWidgetPrivate::TextMargin].bottom;
|
|
//never make a label higher than half the total height
|
|
heightAvail = qMax(heightAvail, rect.height() / 2);
|
|
}
|
|
|
|
//aspect ratio very "tall"
|
|
if (!text.isEmpty() || !infoText.isEmpty()) {
|
|
if (rect.width() < heightAvail) {
|
|
iconWidth = rect.width() -
|
|
verticalMargin[IconWidgetPrivate::IconMargin].left -
|
|
verticalMargin[IconWidgetPrivate::IconMargin].right;
|
|
} else {
|
|
iconWidth = heightAvail -
|
|
verticalMargin[IconWidgetPrivate::IconMargin].top -
|
|
verticalMargin[IconWidgetPrivate::IconMargin].bottom;
|
|
}
|
|
} else {
|
|
iconWidth = qMin(heightAvail, rect.width());
|
|
}
|
|
|
|
iconWidth -= verticalMargin[IconWidgetPrivate::ItemMargin].left + verticalMargin[IconWidgetPrivate::ItemMargin].right;
|
|
} else {
|
|
//Horizontal layout
|
|
//if there is text resize the icon in order to make room for the text
|
|
if (text.isEmpty() && infoText.isEmpty()) {
|
|
// with no text, we just take up the whole geometry
|
|
iconWidth = qMin(rect.height(), rect.width());
|
|
} else {
|
|
iconWidth = rect.height() -
|
|
horizontalMargin[IconWidgetPrivate::IconMargin].top -
|
|
horizontalMargin[IconWidgetPrivate::IconMargin].bottom;
|
|
}
|
|
iconWidth -= horizontalMargin[IconWidgetPrivate::ItemMargin].top + horizontalMargin[IconWidgetPrivate::ItemMargin].bottom;
|
|
}
|
|
|
|
QSizeF iconRect(iconWidth, iconWidth);
|
|
|
|
if (maximumIconSize.isValid()) {
|
|
iconRect = iconRect.boundedTo(maximumIconSize);
|
|
}
|
|
|
|
return iconRect;
|
|
}
|
|
|
|
void IconWidget::setSvg(const QString &svgFilePath, const QString &elementId)
|
|
{
|
|
if (svgFilePath.isEmpty()) {
|
|
if (d->iconSvg) {
|
|
d->iconSvg->deleteLater();
|
|
d->iconSvg = 0;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!d->iconSvg) {
|
|
d->iconSvg = new Plasma::Svg(this);
|
|
connect(d->iconSvg, SIGNAL(repaintNeeded()), this, SLOT(svgChanged()));
|
|
}
|
|
|
|
d->iconSvg->setImagePath(svgFilePath);
|
|
d->iconSvg->setContainsMultipleImages(!elementId.isNull());
|
|
d->iconSvgElement = elementId;
|
|
d->iconSvgElementChanged = true;
|
|
d->icon = QIcon();
|
|
updateGeometry();
|
|
update();
|
|
}
|
|
|
|
QString IconWidget::svg() const
|
|
{
|
|
if (d->iconSvg) {
|
|
if (d->iconSvg->isValid() && (d->iconSvgElement.isEmpty() || d->iconSvg->hasElement(d->iconSvgElement))) {
|
|
return d->iconSvg->imagePath();
|
|
} else {
|
|
return QString();
|
|
}
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
QSizeF IconWidget::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
|
|
{
|
|
if (which == Qt::PreferredSize) {
|
|
int iconSize;
|
|
|
|
if (d->preferredIconSize.isValid()) {
|
|
iconSize = qMax(d->preferredIconSize.height(), d->preferredIconSize.width());
|
|
}
|
|
else if (d->iconSvg) {
|
|
QSizeF oldSize = d->iconSvg->size();
|
|
d->iconSvg->resize();
|
|
if (d->iconSvgElement.isNull()) {
|
|
iconSize = qMax(d->iconSvg->size().width(), d->iconSvg->size().height());
|
|
} else {
|
|
iconSize = qMax(d->iconSvg->elementSize(d->iconSvgElement).width(), d->iconSvg->elementSize(d->iconSvgElement).height());
|
|
}
|
|
d->iconSvg->resize(oldSize);
|
|
} else {
|
|
iconSize = KIconLoader::SizeMedium;
|
|
}
|
|
|
|
if (constraint.width() > 0 || constraint.height() > 0) {
|
|
QSizeF constrainedWidgetSize(constraint);
|
|
QSizeF maximumWidgetSize;
|
|
|
|
if (d->maximumIconSize.isValid()) {
|
|
maximumWidgetSize =
|
|
sizeFromIconSize(qMax(d->maximumIconSize.height(), d->maximumIconSize.width()));
|
|
} else {
|
|
maximumWidgetSize =
|
|
QGraphicsWidget::sizeHint(Qt::MaximumSize);
|
|
}
|
|
|
|
if (constrainedWidgetSize.width() <= 0) {
|
|
constrainedWidgetSize.setWidth(maximumWidgetSize.width());
|
|
}
|
|
if (constrainedWidgetSize.height() <= 0) {
|
|
constrainedWidgetSize.setHeight(maximumWidgetSize.height());
|
|
}
|
|
|
|
QStyleOptionGraphicsItem option;
|
|
QSizeF iconRect =
|
|
d->iconSizeForWidgetSize(&option, constrainedWidgetSize);
|
|
iconSize =
|
|
qMin(iconSize, qMax<int>(iconRect.width(), iconRect.height()));
|
|
}
|
|
return sizeFromIconSize(iconSize);
|
|
|
|
} else if (which == Qt::MinimumSize) {
|
|
if (d->minimumIconSize.isValid()) {
|
|
return sizeFromIconSize(qMax(d->minimumIconSize.height(), d->minimumIconSize.width()));
|
|
}
|
|
return sizeFromIconSize(KIconLoader::SizeSmall);
|
|
} else {
|
|
if (d->maximumIconSize.isValid()) {
|
|
return sizeFromIconSize(qMax(d->maximumIconSize.height(), d->maximumIconSize.width()));
|
|
}
|
|
return QGraphicsWidget::sizeHint(which, constraint);
|
|
}
|
|
}
|
|
|
|
void IconWidgetPrivate::animateMainIcon(bool show, const IconWidgetStates state)
|
|
{
|
|
if (show) {
|
|
states = state;
|
|
}
|
|
|
|
hoverAnimation->setFadeIn(show);
|
|
|
|
QPropertyAnimation *animation = hoverAnimation->animation();
|
|
if (!animation) {
|
|
animation = new QPropertyAnimation(hoverAnimation, "value");
|
|
animation->setProperty("duration", 150);
|
|
animation->setProperty("easingCurve", QEasingCurve::OutQuad);
|
|
animation->setProperty("startValue", 0.0);
|
|
animation->setProperty("endValue", 1.0);
|
|
hoverAnimation->setAnimation(animation);
|
|
q->connect(animation, SIGNAL(finished()), q, SLOT(hoverAnimationFinished()));
|
|
} else if (animation->state() == QAbstractAnimation::Running) {
|
|
animation->pause();
|
|
}
|
|
|
|
animation->setProperty("direction", show ?
|
|
QAbstractAnimation::Forward : QAbstractAnimation::Backward);
|
|
animation->start(show ?
|
|
QAbstractAnimation::KeepWhenStopped : QAbstractAnimation::DeleteWhenStopped);
|
|
}
|
|
|
|
void IconWidgetPrivate::hoverAnimationFinished()
|
|
{
|
|
if (!hoverAnimation->fadeIn()) {
|
|
states &= ~IconWidgetPrivate::HoverState;
|
|
}
|
|
}
|
|
|
|
void IconWidgetPrivate::drawBackground(QPainter *painter, IconWidgetState state)
|
|
{
|
|
if (!drawBg) {
|
|
return;
|
|
}
|
|
|
|
if (!(states & IconWidgetPrivate::HoverState) && !(states & IconWidgetPrivate::PressedState)) {
|
|
return;
|
|
}
|
|
|
|
if (state == IconWidgetPrivate::PressedState) {
|
|
background->setElementPrefix("selected");
|
|
} else {
|
|
background->setElementPrefix("hover");
|
|
}
|
|
|
|
if (qFuzzyCompare(hoverAnimation->value(), 1)) {
|
|
background->resizeFrame(currentSize);
|
|
background->paintFrame(painter);
|
|
} else if (!qFuzzyCompare(hoverAnimation->value()+1, 1)) {
|
|
background->resizeFrame(currentSize);
|
|
QPixmap frame = background->framePixmap();
|
|
QPainter bufferPainter(&frame);
|
|
bufferPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
|
|
bufferPainter.fillRect(frame.rect(), QColor(0,0,0, 255*hoverAnimation->value()));
|
|
bufferPainter.end();
|
|
painter->drawPixmap(QPoint(0,0), frame);
|
|
}
|
|
}
|
|
|
|
QPixmap IconWidgetPrivate::decoration(const QStyleOptionGraphicsItem *option, bool useHoverEffect, bool usePressedEffect)
|
|
{
|
|
QPixmap result;
|
|
|
|
QIcon::Mode mode = option->state & QStyle::State_Enabled ? QIcon::Normal : QIcon::Disabled;
|
|
QIcon::State state = option->state & QStyle::State_Open ? QIcon::On : QIcon::Off;
|
|
|
|
if (iconSvg) {
|
|
if (iconSvgElementChanged || iconSvgPixmap.size() != iconSize.toSize()) {
|
|
iconSvg->resize(iconSize);
|
|
iconSvgPixmap = iconSvg->pixmap(iconSvgElement);
|
|
iconSvgElementChanged = false;
|
|
}
|
|
result = iconSvgPixmap;
|
|
} else {
|
|
const QSize size = icon.actualSize(iconSize.toSize(), mode, state);
|
|
result = icon.pixmap(size, mode, state);
|
|
}
|
|
|
|
if (usePressedEffect) {
|
|
result = result.scaled(result.size() * 0.9, Qt::KeepAspectRatio, Qt::SmoothTransformation);
|
|
}
|
|
|
|
if (!result.isNull() && useHoverEffect) {
|
|
KIconEffect *effect = KIconLoader::global()->iconEffect();
|
|
// Note that in KIconLoader terminology, active = hover.
|
|
// We're assuming that the icon group is desktop/filemanager, since this
|
|
// is KFileItemDelegate.
|
|
if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
|
|
if (qFuzzyCompare(qreal(1.0), hoverAnimation->value())) {
|
|
result = effect->apply(result, KIconLoader::Desktop, KIconLoader::ActiveState);
|
|
} else {
|
|
result = PaintUtils::transition(
|
|
result,
|
|
effect->apply(result, KIconLoader::Desktop,
|
|
KIconLoader::ActiveState), hoverAnimation->value());
|
|
}
|
|
}
|
|
} else if (!result.isNull() && !oldIcon.isNull()) {
|
|
if (qFuzzyCompare(qreal(1.0), hoverAnimation->value())) {
|
|
oldIcon = QIcon();
|
|
} else {
|
|
result = PaintUtils::transition(
|
|
oldIcon.pixmap(result.size(), mode, state),
|
|
result, hoverAnimation->value());
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
QPointF IconWidgetPrivate::iconPosition(const QStyleOptionGraphicsItem *option,
|
|
const QPixmap &pixmap) const
|
|
{
|
|
const QRectF itemRect = subtractMargin(option->rect, IconWidgetPrivate::ItemMargin);
|
|
|
|
// Compute the nominal decoration rectangle
|
|
const QSizeF size = addMargin(iconSize, IconWidgetPrivate::IconMargin);
|
|
|
|
Qt::LayoutDirection direction = iconDirection(option);
|
|
|
|
//alignment depends from orientation and option->direction
|
|
Qt::Alignment alignment;
|
|
if (text.isEmpty() && infoText.isEmpty()) {
|
|
alignment = Qt::AlignCenter;
|
|
} else if (orientation == Qt::Vertical) {
|
|
alignment = Qt::Alignment(Qt::AlignHCenter | Qt::AlignTop);
|
|
//Horizontal
|
|
} else {
|
|
alignment = QStyle::visualAlignment(
|
|
direction, Qt::Alignment(Qt::AlignLeft | Qt::AlignVCenter));
|
|
}
|
|
|
|
const QRect iconRect =
|
|
QStyle::alignedRect(direction, alignment, size.toSize(), itemRect.toRect());
|
|
|
|
// Position the pixmap in the center of the rectangle
|
|
QRect pixmapRect = pixmap.rect();
|
|
pixmapRect.moveCenter(iconRect.center());
|
|
|
|
// add a gimmicky margin of 5px to y, TEMP TEMP TEMP
|
|
// pixmapRect = pixmapRect.adjusted(0, 5, 0, 0);
|
|
|
|
return QPointF(pixmapRect.topLeft());
|
|
}
|
|
|
|
QRectF IconWidgetPrivate::labelRectangle(const QStyleOptionGraphicsItem *option,
|
|
const QPixmap &icon,
|
|
const QString &string) const
|
|
{
|
|
Q_UNUSED(string)
|
|
|
|
if (icon.isNull()) {
|
|
return option->rect;
|
|
}
|
|
|
|
const QSizeF decoSize = addMargin(iconSize, IconWidgetPrivate::IconMargin);
|
|
const QRectF itemRect = subtractMargin(option->rect, IconWidgetPrivate::ItemMargin);
|
|
QRectF textArea(QPointF(0, 0), itemRect.size());
|
|
|
|
if (orientation == Qt::Vertical) {
|
|
textArea.setTop(decoSize.height() + 1);
|
|
} else {
|
|
//Horizontal
|
|
textArea.setLeft(decoSize.width() + 1);
|
|
}
|
|
|
|
textArea.translate(itemRect.topLeft());
|
|
return QRectF(QStyle::visualRect(iconDirection(option), option->rect, textArea.toRect()));
|
|
}
|
|
|
|
// Lays the text out in a rectangle no larger than constraints, eliding it as necessary
|
|
QSizeF IconWidgetPrivate::layoutText(QTextLayout &layout,
|
|
const QString &text,
|
|
const QSizeF &constraints) const
|
|
{
|
|
const QSizeF size = layoutText(layout, text, constraints.width());
|
|
|
|
if (size.width() > constraints.width() || size.height() > constraints.height()) {
|
|
if (action) {
|
|
q->setToolTip(action->toolTip());
|
|
}
|
|
const QString elided = elidedText(layout, constraints);
|
|
return layoutText(layout, elided, constraints.width());
|
|
}
|
|
q->setToolTip(QString());
|
|
|
|
return size;
|
|
}
|
|
|
|
// Lays the text out in a rectangle no wider than maxWidth
|
|
QSizeF IconWidgetPrivate::layoutText(QTextLayout &layout, const QString &text, qreal maxWidth) const
|
|
{
|
|
QFontMetricsF metrics(layout.font());
|
|
qreal leading = metrics.leading();
|
|
qreal height = 0.0;
|
|
qreal widthUsed = 0.0;
|
|
QTextLine line;
|
|
|
|
layout.setText(text);
|
|
|
|
layout.beginLayout();
|
|
|
|
while ((line = layout.createLine()).isValid()) {
|
|
line.setLineWidth(maxWidth);
|
|
height += leading;
|
|
line.setPosition(QPointF(0.0, height));
|
|
height += line.height();
|
|
widthUsed = qMax(widthUsed, line.naturalTextWidth());
|
|
}
|
|
layout.endLayout();
|
|
|
|
return QSizeF(widthUsed, height);
|
|
}
|
|
|
|
// Elides the text in the layout, by iterating over each line in the layout, eliding
|
|
// or word breaking the line if it's wider than the max width, and finally adding an
|
|
// ellipses at the end of the last line, if there are more lines than will fit within
|
|
// the vertical size constraints.
|
|
QString IconWidgetPrivate::elidedText(QTextLayout &layout, const QSizeF &size) const
|
|
{
|
|
QFontMetricsF metrics(layout.font());
|
|
const QString text = layout.text();
|
|
qreal maxWidth = size.width();
|
|
qreal maxHeight = size.height();
|
|
qreal height = 0;
|
|
|
|
// Elide each line that has already been laid out in the layout.
|
|
QString elided;
|
|
elided.reserve(text.length());
|
|
|
|
for (int i = 0; i < layout.lineCount(); i++) {
|
|
QTextLine line = layout.lineAt(i);
|
|
int start = line.textStart();
|
|
int length = line.textLength();
|
|
|
|
height += metrics.leading();
|
|
if (height + line.height() + metrics.lineSpacing() > maxHeight) {
|
|
// Unfortunately, if the line ends because of a line separator,
|
|
// elidedText() will be too clever and keep adding lines until
|
|
// it finds one that's too wide.
|
|
if (line.naturalTextWidth() < maxWidth &&
|
|
start + length > 0 &&
|
|
text[start + length - 1] == QChar::LineSeparator) {
|
|
elided += text.mid(start, length - 1);
|
|
} else {
|
|
elided += metrics.elidedText(text.mid(start), Qt::ElideRight, maxWidth);
|
|
}
|
|
break;
|
|
} else if (line.naturalTextWidth() > maxWidth) {
|
|
elided += metrics.elidedText(text.mid(start, length), Qt::ElideRight, maxWidth);
|
|
} else {
|
|
elided += text.mid(start, length);
|
|
}
|
|
|
|
height += line.height();
|
|
}
|
|
|
|
return elided;
|
|
}
|
|
|
|
void IconWidgetPrivate::layoutTextItems(const QStyleOptionGraphicsItem *option,
|
|
const QPixmap &icon, QTextLayout *labelLayout,
|
|
QTextLayout *infoLayout, QRectF *textBoundingRect) const
|
|
{
|
|
bool showInformation = false;
|
|
|
|
setLayoutOptions(*labelLayout, option, q->orientation());
|
|
|
|
QFontMetricsF fm(labelLayout->font());
|
|
const QRectF textArea = labelRectangle(option, icon, text);
|
|
QRectF textRect = subtractMargin(textArea, IconWidgetPrivate::TextMargin);
|
|
|
|
//kDebug() << this << "text area" << textArea << "text rect" << textRect;
|
|
// Sizes and constraints for the different text parts
|
|
QSizeF maxLabelSize = textRect.size();
|
|
QSizeF maxInfoSize = textRect.size();
|
|
QSizeF labelSize;
|
|
QSizeF infoSize;
|
|
|
|
// If we have additional info text, and there's space for at least two lines of text,
|
|
// adjust the max label size to make room for at least one line of the info text
|
|
if (!infoText.isEmpty() && textRect.height() >= fm.lineSpacing() * 2) {
|
|
infoLayout->setFont(labelLayout->font());
|
|
infoLayout->setTextOption(labelLayout->textOption());
|
|
|
|
maxLabelSize.rheight() -= fm.lineSpacing();
|
|
showInformation = true;
|
|
}
|
|
|
|
// Lay out the label text, and adjust the max info size based on the label size
|
|
labelSize = layoutText(*labelLayout, text, maxLabelSize);
|
|
maxInfoSize.rheight() -= labelSize.height();
|
|
|
|
// Lay out the info text
|
|
if (showInformation) {
|
|
infoSize = layoutText(*infoLayout, infoText, maxInfoSize);
|
|
} else {
|
|
infoSize = QSizeF(0, 0);
|
|
}
|
|
// Compute the bounding rect of the text
|
|
const Qt::Alignment alignment = labelLayout->textOption().alignment();
|
|
const QSizeF size(qMax(labelSize.width(), infoSize.width()),
|
|
labelSize.height() + infoSize.height());
|
|
*textBoundingRect =
|
|
QStyle::alignedRect(iconDirection(option), alignment, size.toSize(), textRect.toRect());
|
|
|
|
// Compute the positions where we should draw the layouts
|
|
haloRects.clear();
|
|
labelLayout->setPosition(QPointF(textRect.x(), textBoundingRect->y()));
|
|
QTextLine line;
|
|
for (int i = 0; i < labelLayout->lineCount(); ++i) {
|
|
line = labelLayout->lineAt(i);
|
|
haloRects.append(line.naturalTextRect().translated(labelLayout->position().toPoint()).toRect());
|
|
}
|
|
infoLayout->setPosition(QPointF(textRect.x(), textBoundingRect->y() + labelSize.height()));
|
|
for (int i = 0; i < infoLayout->lineCount(); ++i) {
|
|
line = infoLayout->lineAt(i);
|
|
haloRects.append(line.naturalTextRect().translated(infoLayout->position().toPoint()).toRect());
|
|
}
|
|
//kDebug() << "final position is" << labelLayout->position();
|
|
}
|
|
|
|
QBrush IconWidgetPrivate::foregroundBrush(const QStyleOptionGraphicsItem *option) const
|
|
{
|
|
const QPalette::ColorGroup group = option->state & QStyle::State_Enabled ?
|
|
QPalette::Normal : QPalette::Disabled;
|
|
|
|
// Always use the highlight color for selected items
|
|
if (option->state & QStyle::State_Selected) {
|
|
return option->palette.brush(group, QPalette::HighlightedText);
|
|
}
|
|
return option->palette.brush(group, QPalette::Text);
|
|
}
|
|
|
|
QBrush IconWidgetPrivate::backgroundBrush(const QStyleOptionGraphicsItem *option) const
|
|
{
|
|
const QPalette::ColorGroup group = option->state & QStyle::State_Enabled ?
|
|
QPalette::Normal : QPalette::Disabled;
|
|
|
|
QBrush background(Qt::NoBrush);
|
|
|
|
// Always use the highlight color for selected items
|
|
if (option->state & QStyle::State_Selected) {
|
|
background = option->palette.brush(group, QPalette::Highlight);
|
|
}
|
|
return background;
|
|
}
|
|
|
|
void IconWidgetPrivate::drawTextItems(QPainter *painter,
|
|
const QStyleOptionGraphicsItem *option,
|
|
const QTextLayout &labelLayout,
|
|
const QTextLayout &infoLayout) const
|
|
{
|
|
Q_UNUSED(option)
|
|
|
|
painter->save();
|
|
painter->setPen(textColor);
|
|
|
|
// the translation prevents odd rounding errors in labelLayout.position()
|
|
// when applied to the canvas
|
|
painter->translate(0.5, 0.5);
|
|
|
|
labelLayout.draw(painter, QPointF());
|
|
|
|
if (!infoLayout.text().isEmpty()) {
|
|
painter->setPen(textColor);
|
|
infoLayout.draw(painter, QPointF());
|
|
}
|
|
painter->restore();
|
|
}
|
|
|
|
void IconWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
//Lay out the main icon and action icons
|
|
d->layoutIcons(option);
|
|
|
|
// Compute the metrics, and lay out the text items
|
|
// ========================================================================
|
|
IconWidgetPrivate::IconWidgetState state = IconWidgetPrivate::NoState;
|
|
if (d->states & IconWidgetPrivate::ManualPressedState) {
|
|
state = IconWidgetPrivate::PressedState;
|
|
} else if (d->states & IconWidgetPrivate::PressedState) {
|
|
if (d->states & IconWidgetPrivate::HoverState) {
|
|
state = IconWidgetPrivate::PressedState;
|
|
}
|
|
} else if (d->states & IconWidgetPrivate::HoverState) {
|
|
state = IconWidgetPrivate::HoverState;
|
|
}
|
|
|
|
QPixmap icon = d->decoration(option, state != IconWidgetPrivate::NoState, state & IconWidgetPrivate::PressedState);
|
|
const QPointF iconPos = d->iconPosition(option, icon);
|
|
|
|
d->drawBackground(painter, state);
|
|
|
|
// draw icon
|
|
if (!icon.isNull()) {
|
|
painter->drawPixmap(iconPos, icon);
|
|
}
|
|
|
|
// Draw corner actions
|
|
foreach (const IconAction *action, d->cornerActions) {
|
|
if (action->isAnimating()) {
|
|
action->paint(painter);
|
|
}
|
|
}
|
|
|
|
// Draw text last because it is overlayed
|
|
QTextLayout labelLayout, infoLayout;
|
|
QRectF textBoundingRect;
|
|
|
|
d->layoutTextItems(option, icon, &labelLayout, &infoLayout, &textBoundingRect);
|
|
|
|
if (d->textBgColor != QColor() && d->textBgColor.alpha() > 0 &&
|
|
!(d->text.isEmpty() && d->infoText.isEmpty()) &&
|
|
!textBoundingRect.isEmpty() &&
|
|
!qFuzzyCompare(d->hoverAnimation->value(), (qreal)1.0)) {
|
|
QRectF rect = textBoundingRect.adjusted(-2, -2, 4, 4).toAlignedRect();
|
|
painter->setPen(Qt::transparent);
|
|
QColor color = d->textBgColor;
|
|
color.setAlpha(60 * (1.0 - d->hoverAnimation->value()));
|
|
QLinearGradient gradient(rect.topLeft(), rect.bottomLeft());
|
|
gradient.setColorAt(0, color.lighter(120));
|
|
gradient.setColorAt(1, color.darker(120));
|
|
painter->setBrush(gradient);
|
|
gradient.setColorAt(0, color.lighter(130));
|
|
gradient.setColorAt(1, color.darker(130));
|
|
painter->setPen(QPen(gradient, 0));
|
|
painter->setRenderHint(QPainter::Antialiasing);
|
|
painter->drawPath(PaintUtils::roundedRectangle(rect.translated(0.5, 0.5), 4));
|
|
}
|
|
|
|
|
|
if (d->shadowColor.value() < 128 || textBackgroundColor() != QColor()) {
|
|
QPoint shadowPos;
|
|
if (d->shadowColor.value() < 128) {
|
|
shadowPos = QPoint(1, 2);
|
|
} else {
|
|
shadowPos = QPoint(0, 0);
|
|
}
|
|
|
|
QImage shadow(textBoundingRect.size().toSize() + QSize(4, 4),
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
shadow.fill(Qt::transparent);
|
|
{
|
|
QPainter buffPainter(&shadow);
|
|
buffPainter.translate(-textBoundingRect.x(), -textBoundingRect.y());
|
|
d->drawTextItems(&buffPainter, option, labelLayout, infoLayout);
|
|
}
|
|
|
|
PaintUtils::shadowBlur(shadow, 2, d->shadowColor);
|
|
painter->drawImage(textBoundingRect.topLeft() + shadowPos, shadow);
|
|
} else if (!(d->text.isEmpty() && d->infoText.isEmpty()) &&
|
|
!textBoundingRect.isEmpty()) {
|
|
QRect labelRect = d->labelRectangle(option, icon, d->text).toRect();
|
|
|
|
foreach (const QRect &rect, d->haloRects) {
|
|
Plasma::PaintUtils::drawHalo(painter, rect);
|
|
}
|
|
}
|
|
|
|
d->drawTextItems(painter, option, labelLayout, infoLayout);
|
|
}
|
|
|
|
void IconWidget::setTextBackgroundColor(const QColor &color)
|
|
{
|
|
d->textBgCustomized = true;
|
|
d->textBgColor = color;
|
|
update();
|
|
}
|
|
|
|
QColor IconWidget::textBackgroundColor() const
|
|
{
|
|
return d->textBgColor;
|
|
}
|
|
|
|
void IconWidget::drawActionButtonBase(QPainter *painter, const QSize &size, int element)
|
|
{
|
|
qreal radius = size.width() / 2;
|
|
QRadialGradient gradient(radius, radius, radius, radius, radius);
|
|
int alpha;
|
|
|
|
if (element == IconWidgetPrivate::MinibuttonPressed) {
|
|
alpha = 255;
|
|
} else if (element == IconWidgetPrivate::MinibuttonHover) {
|
|
alpha = 200;
|
|
} else {
|
|
alpha = 160;
|
|
}
|
|
gradient.setColorAt(0, QColor::fromRgb(d->textColor.red(),
|
|
d->textColor.green(),
|
|
d->textColor.blue(), alpha));
|
|
gradient.setColorAt(1, QColor::fromRgb(d->textColor.red(),
|
|
d->textColor.green(),
|
|
d->textColor.blue(), 0));
|
|
|
|
painter->setBrush(gradient);
|
|
painter->setPen(Qt::NoPen);
|
|
painter->drawEllipse(QRectF(QPointF(.0, .0), size));
|
|
}
|
|
|
|
void IconWidget::setText(const QString &text)
|
|
{
|
|
d->text = KGlobal::locale()->removeAcceleratorMarker(text);
|
|
// cause a relayout
|
|
d->currentSize = QSizeF(-1, -1);
|
|
//try to relayout, needed if an icon was never shown before
|
|
if (!isVisible()) {
|
|
QStyleOptionGraphicsItem styleoption;
|
|
d->layoutIcons(&styleoption);
|
|
}
|
|
updateGeometry();
|
|
if (!parentWidget() || !parentWidget()->layout()) {
|
|
resize(preferredSize());
|
|
}
|
|
}
|
|
|
|
QString IconWidget::text() const
|
|
{
|
|
return d->text;
|
|
}
|
|
|
|
void IconWidget::setInfoText(const QString &text)
|
|
{
|
|
d->infoText = text;
|
|
// cause a relayout
|
|
d->currentSize = QSizeF(-1, -1);
|
|
//try to relayout, needed if an icon was never shown before
|
|
if (!isVisible()) {
|
|
QStyleOptionGraphicsItem styleoption;
|
|
d->layoutIcons(&styleoption);
|
|
}
|
|
updateGeometry();
|
|
if (!parentWidget() || !parentWidget()->layout()) {
|
|
resize(preferredSize());
|
|
}
|
|
}
|
|
|
|
QString IconWidget::infoText() const
|
|
{
|
|
return d->infoText;
|
|
}
|
|
|
|
QIcon IconWidget::icon() const
|
|
{
|
|
return d->icon;
|
|
}
|
|
|
|
void IconWidget::setIcon(const QString &icon)
|
|
{
|
|
if (icon.isEmpty()) {
|
|
setIcon(QIcon());
|
|
return;
|
|
}
|
|
|
|
setIcon(KIcon(icon));
|
|
}
|
|
|
|
void IconWidget::setIcon(const QIcon &icon)
|
|
{
|
|
setSvg(QString());
|
|
|
|
/*fade to the new icon, but to not bee a too big hog, not do that when:
|
|
- the fade animation is already running
|
|
- the icon is under mouse
|
|
- one betwen the old and new icon is null*/
|
|
if (!(d->states & IconWidgetPrivate::HoverState) && !d->iconChangeTimer->isActive() && d->oldIcon.isNull() && !d->icon.isNull() && !icon.isNull()) {
|
|
d->oldIcon = d->icon;
|
|
d->animateMainIcon(true, d->states);
|
|
} else {
|
|
d->oldIcon = QIcon();
|
|
}
|
|
d->iconChangeTimer->start(300);
|
|
d->icon = icon;
|
|
update();
|
|
}
|
|
|
|
QSizeF IconWidget::iconSize() const
|
|
{
|
|
return d->iconSize;
|
|
}
|
|
|
|
void IconWidget::setPreferredIconSize(const QSizeF &size)
|
|
{
|
|
d->preferredIconSize = size;
|
|
updateGeometry();
|
|
}
|
|
|
|
QSizeF IconWidget::preferredIconSize() const
|
|
{
|
|
return d->preferredIconSize;
|
|
}
|
|
|
|
void IconWidget::setMinimumIconSize(const QSizeF &size)
|
|
{
|
|
d->minimumIconSize = size;
|
|
updateGeometry();
|
|
}
|
|
|
|
QSizeF IconWidget::minimumIconSize() const
|
|
{
|
|
return d->minimumIconSize;
|
|
}
|
|
|
|
void IconWidget::setMaximumIconSize(const QSizeF &size)
|
|
{
|
|
d->maximumIconSize = size;
|
|
updateGeometry();
|
|
}
|
|
|
|
QSizeF IconWidget::maximumIconSize() const
|
|
{
|
|
return d->maximumIconSize;
|
|
}
|
|
|
|
bool IconWidget::isDown()
|
|
{
|
|
return d->states & IconWidgetPrivate::PressedState;
|
|
}
|
|
|
|
void IconWidget::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (event->button() != Qt::LeftButton) {
|
|
QGraphicsWidget::mousePressEvent(event);
|
|
return;
|
|
}
|
|
|
|
d->states |= IconWidgetPrivate::PressedState;
|
|
d->clickStartPos = scenePos();
|
|
|
|
bool handled = false;
|
|
foreach (IconAction *action, d->cornerActions) {
|
|
handled = action->event(event->type(), event->pos());
|
|
if (handled) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handled && boundingRect().contains(event->pos())) {
|
|
emit pressed(true);
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void IconWidget::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (~d->states & IconWidgetPrivate::PressedState) {
|
|
QGraphicsWidget::mouseMoveEvent(event);
|
|
return;
|
|
}
|
|
|
|
if (boundingRect().contains(event->pos())) {
|
|
if (~d->states & IconWidgetPrivate::HoverState) {
|
|
d->states |= IconWidgetPrivate::HoverState;
|
|
update();
|
|
}
|
|
} else {
|
|
if (d->states & IconWidgetPrivate::HoverState) {
|
|
d->states &= ~IconWidgetPrivate::HoverState;
|
|
update();
|
|
}
|
|
}
|
|
}
|
|
|
|
void IconWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (~d->states & IconWidgetPrivate::PressedState) {
|
|
QGraphicsWidget::mouseMoveEvent(event);
|
|
return;
|
|
}
|
|
|
|
d->states &= ~IconWidgetPrivate::PressedState;
|
|
|
|
//don't pass click when the mouse was moved
|
|
bool handled = d->clickStartPos != scenePos();
|
|
if (!handled) {
|
|
foreach (IconAction *action, d->cornerActions) {
|
|
if (action->event(event->type(), event->pos())) {
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!handled) {
|
|
if (boundingRect().contains(event->pos())) {
|
|
emit clicked();
|
|
if (KGlobalSettings::singleClick()) {
|
|
emit activated();
|
|
}
|
|
|
|
if (d->action && d->action->menu()) {
|
|
d->action->menu()->popup(event->screenPos());
|
|
}
|
|
}
|
|
emit pressed(false);
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void IconWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
Q_UNUSED(event)
|
|
|
|
emit doubleClicked();
|
|
if (!KGlobalSettings::singleClick()) {
|
|
emit activated();
|
|
}
|
|
}
|
|
|
|
void IconWidget::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
//kDebug();
|
|
foreach (IconAction *action, d->cornerActions) {
|
|
action->show();
|
|
action->event(event->type(), event->pos());
|
|
}
|
|
|
|
d->oldIcon = QIcon();
|
|
d->animateMainIcon(true, d->states|IconWidgetPrivate::HoverState);
|
|
update();
|
|
|
|
QGraphicsWidget::hoverEnterEvent(event);
|
|
}
|
|
|
|
void IconWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
//kDebug() << d->cornerActions;
|
|
foreach (IconAction *action, d->cornerActions) {
|
|
action->hide();
|
|
action->event(event->type(), event->pos());
|
|
}
|
|
// d->states &= ~IconWidgetPrivate::HoverState; // Will be set once progress is zero again ...
|
|
//if an eventfilter stolen the mousereleaseevent remove the pressed state here
|
|
d->states &= ~IconWidgetPrivate::PressedState;
|
|
|
|
d->animateMainIcon(false, d->states|IconWidgetPrivate::HoverState);
|
|
update();
|
|
|
|
QGraphicsWidget::hoverLeaveEvent(event);
|
|
}
|
|
|
|
bool IconWidget::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
|
|
{
|
|
Q_UNUSED(watched)
|
|
|
|
if (event->type() == QEvent::GraphicsSceneDragEnter) {
|
|
d->animateMainIcon(true, d->states|IconWidgetPrivate::HoverState);
|
|
update();
|
|
} else if (event->type() == QEvent::GraphicsSceneDragLeave) {
|
|
d->animateMainIcon(false, d->states|IconWidgetPrivate::HoverState);
|
|
update();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void IconWidget::setPressed(bool pressed)
|
|
{
|
|
if (pressed) {
|
|
d->states |= IconWidgetPrivate::ManualPressedState;
|
|
d->states |= IconWidgetPrivate::PressedState;
|
|
} else {
|
|
d->states &= ~IconWidgetPrivate::ManualPressedState;
|
|
d->states &= ~IconWidgetPrivate::PressedState;
|
|
}
|
|
update();
|
|
}
|
|
|
|
void IconWidget::setUnpressed()
|
|
{
|
|
setPressed(false);
|
|
}
|
|
|
|
void IconWidgetPrivate::svgChanged()
|
|
{
|
|
iconSvgElementChanged = true;
|
|
q->update();
|
|
}
|
|
|
|
void IconWidget::setOrientation(Qt::Orientation orientation)
|
|
{
|
|
d->orientation = orientation;
|
|
resize(sizeFromIconSize(d->iconSize.width()));
|
|
}
|
|
|
|
Qt::Orientation IconWidget::orientation() const
|
|
{
|
|
return d->orientation;
|
|
}
|
|
|
|
void IconWidget::invertLayout(bool invert)
|
|
{
|
|
d->invertLayout = invert;
|
|
}
|
|
|
|
bool IconWidget::invertedLayout() const
|
|
{
|
|
return d->invertLayout;
|
|
}
|
|
|
|
QSizeF IconWidget::sizeFromIconSize(const qreal iconWidth) const
|
|
{
|
|
d->setActiveMargins();
|
|
if (d->text.isEmpty() && d->infoText.isEmpty()) {
|
|
//no text, just the icon size
|
|
return d->addMargin(QSizeF(iconWidth, iconWidth), IconWidgetPrivate::ItemMargin);
|
|
}
|
|
|
|
QFontMetricsF fm(font());
|
|
qreal width = 0;
|
|
|
|
if (d->orientation == Qt::Vertical) {
|
|
width = qMax(d->maxWordWidth(d->text),
|
|
d->maxWordWidth(d->infoText)) +
|
|
fm.width("xxx") +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].left +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].right;
|
|
|
|
width = qMax(width,
|
|
iconWidth +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].left +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].right);
|
|
} else {
|
|
width = iconWidth +
|
|
d->horizontalMargin[IconWidgetPrivate::IconMargin].left +
|
|
d->horizontalMargin[IconWidgetPrivate::IconMargin].right +
|
|
qMax(fm.width(d->text), fm.width(d->infoText)) + fm.width("xxx") +
|
|
d->horizontalMargin[IconWidgetPrivate::TextMargin].left +
|
|
d->horizontalMargin[IconWidgetPrivate::TextMargin].right;
|
|
}
|
|
|
|
qreal height;
|
|
qreal textHeight;
|
|
|
|
QStyleOptionGraphicsItem option;
|
|
option.state = QStyle::State_None;
|
|
option.rect = QRect(0, 0, width, QWIDGETSIZE_MAX);
|
|
textHeight = d->displaySizeHint(&option, width).height();
|
|
|
|
if (d->orientation == Qt::Vertical) {
|
|
height = iconWidth + textHeight +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].top +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].bottom +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].top +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].bottom;
|
|
} else {
|
|
//Horizontal
|
|
height = qMax(iconWidth +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].top +
|
|
d->verticalMargin[IconWidgetPrivate::IconMargin].bottom,
|
|
textHeight +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].top +
|
|
d->verticalMargin[IconWidgetPrivate::TextMargin].bottom);
|
|
}
|
|
|
|
return d->addMargin(QSizeF(width, height), IconWidgetPrivate::ItemMargin);
|
|
}
|
|
|
|
void IconWidget::changeEvent(QEvent *event)
|
|
{
|
|
d->changeEvent(event);
|
|
QGraphicsWidget::changeEvent(event);
|
|
}
|
|
|
|
} // namespace Plasma
|
|
|
|
#include "iconwidget.moc"
|
|
#include "iconwidget_p.moc"
|