mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-23 10:22:48 +00:00
plasma: drop Plasma::ItemBackground class
unused, tho the svg that it paints is used in multiple places as base. perhaps the class was not flexible enough? Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev
parent
2a93f0b19b
commit
06654c0495
6 changed files with 2 additions and 473 deletions
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@ -430,7 +430,6 @@ install(
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Plasma/FrameSvg
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Plasma/FrameSvg
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Plasma/GroupBox
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Plasma/GroupBox
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Plasma/IconWidget
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Plasma/IconWidget
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Plasma/ItemBackground
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Plasma/Label
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Plasma/Label
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Plasma/LineEdit
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Plasma/LineEdit
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Plasma/Meter
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Plasma/Meter
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@ -1 +0,0 @@
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#include "../../plasma/widgets/itembackground.h"
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@ -69,7 +69,6 @@ set(plasma_LIB_SRCS
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widgets/frame.cpp
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widgets/frame.cpp
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widgets/groupbox.cpp
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widgets/groupbox.cpp
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widgets/iconwidget.cpp
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widgets/iconwidget.cpp
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widgets/itembackground.cpp
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widgets/label.cpp
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widgets/label.cpp
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widgets/lineedit.cpp
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widgets/lineedit.cpp
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widgets/meter.cpp
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widgets/meter.cpp
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@ -173,7 +172,6 @@ install(
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widgets/frame.h
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widgets/frame.h
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widgets/groupbox.h
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widgets/groupbox.h
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widgets/iconwidget.h
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widgets/iconwidget.h
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widgets/itembackground.h
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widgets/label.h
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widgets/label.h
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widgets/lineedit.h
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widgets/lineedit.h
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widgets/meter.h
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widgets/meter.h
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@ -338,7 +338,7 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
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if (option.direction == Qt::LeftToRight) {
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if (option.direction == Qt::LeftToRight) {
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if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
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if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
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(subTitleRect.width() + decorationRect.width() + 15) > option.rect.width()) &&
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(subTitleRect.width() + decorationRect.width() + 15) > option.rect.width()) &&
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(titleRect.width() > 120 || subTitleRect.width() > 120)) {
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(titleRect.width() > 120 || subTitleRect.width() > 120)) {
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QPainter p(&buffer);
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QPainter p(&buffer);
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p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
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p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
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p.setPen(Qt::NoPen);
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p.setPen(Qt::NoPen);
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@ -359,7 +359,7 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
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} else {
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} else {
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if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
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if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
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(subTitleRect.width() + decorationRect.width() + 15 )> option.rect.width()) &&
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(subTitleRect.width() + decorationRect.width() + 15 )> option.rect.width()) &&
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(titleRect.width() > 120 || subTitleRect.width() > 120)) {
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(titleRect.width() > 120 || subTitleRect.width() > 120)) {
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buffer.fill(Qt::transparent);
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buffer.fill(Qt::transparent);
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QPainter p(&buffer);
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QPainter p(&buffer);
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p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
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p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
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@ -1,345 +0,0 @@
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/***************************************************************************
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* Copyright 2009 by Alessandro Diaferia <alediaferia@gmail.com> *
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* Copyright 2009 by Marco Martin <notmart@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 General Public License *
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* 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 "itembackground.h"
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#include <QPainter>
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#include <QTimer>
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#include <QtGui/qstyleoption.h>
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#include <QPropertyAnimation>
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#include <kdebug.h>
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#include <plasma/framesvg.h>
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#include <plasma/animator.h>
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#include <plasma/theme.h>
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namespace Plasma
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{
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class ItemBackgroundPrivate
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{
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public:
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ItemBackgroundPrivate(ItemBackground *parent)
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: q(parent),
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target(nullptr),
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opacity(1.0),
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fading(false),
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fadeIn(false),
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immediate(false)
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{
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}
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void animationUpdate(qreal progress);
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void targetDestroyed(QObject*);
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void frameSvgChanged();
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void refreshCurrentTarget();
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ItemBackground * const q;
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QGraphicsItem *target;
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Plasma::FrameSvg *frameSvg;
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QRectF oldGeometry;
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QRectF newGeometry;
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QPropertyAnimation *anim;
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qreal opacity;
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bool fading;
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bool fadeIn;
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bool immediate;
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};
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ItemBackground::ItemBackground(QGraphicsWidget *parent)
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: QGraphicsWidget(parent),
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d(new ItemBackgroundPrivate(this))
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{
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d->frameSvg = new Plasma::FrameSvg(this);
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d->anim = new QPropertyAnimation(this, "animationUpdate", this);
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d->anim->setStartValue(0);
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d->anim->setEndValue(1);
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d->frameSvg->setImagePath("widgets/viewitem");
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d->frameSvg->setEnabledBorders(Plasma::FrameSvg::AllBorders);
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d->frameSvg->setCacheAllRenderedFrames(true);
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d->frameSvg->setElementPrefix("hover");
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setCacheMode(DeviceCoordinateCache);
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setFlag(ItemIsMovable, false);
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setFlag(ItemIsSelectable, false);
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setFlag(ItemIsFocusable, false);
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
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qreal l, t, r, b;
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d->frameSvg->getMargins(l, t, r, b);
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setContentsMargins(l, t, r, b);
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connect(d->frameSvg, SIGNAL(repaintNeeded()), this, SLOT(frameSvgChanged()));
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setAcceptedMouseButtons(0);
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setZValue(-800);
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}
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ItemBackground::~ItemBackground()
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{
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delete d;
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}
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QRectF ItemBackground::target() const
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{
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return d->newGeometry;
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}
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void ItemBackground::setTarget(const QRectF &newGeometry)
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{
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d->oldGeometry = geometry();
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d->newGeometry = newGeometry;
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if (!isVisible() && (!d->target || !d->target->isVisible())) {
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setGeometry(d->newGeometry);
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targetReached(newGeometry);
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if (d->target) {
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emit targetItemReached(d->target);
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}
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return;
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}
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QGraphicsWidget *pw = parentWidget();
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if (pw) {
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d->newGeometry = d->newGeometry.intersected(QRectF(QPointF(0,0), pw->size()));
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}
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if (d->anim->state() != QAbstractAnimation::Stopped) {
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d->anim->stop();
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}
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if (d->target && d->target->isVisible() && !isVisible()) {
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setZValue(d->target->zValue()-1);
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setGeometry(newGeometry);
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d->oldGeometry = newGeometry;
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show();
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} else {
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d->fading = false;
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d->opacity = 1;
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d->anim->start();
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}
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}
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void ItemBackground::setTargetItem(QGraphicsItem *target)
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{
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if (d->target && d->target != target) {
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QObject *obj = 0;
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if (d->target->isWidget()) {
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obj = static_cast<QGraphicsWidget*>(d->target);
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obj->removeEventFilter(this);
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} else {
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d->target->removeSceneEventFilter(this);
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obj = dynamic_cast<QObject *>(d->target);
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}
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if (obj) {
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disconnect(obj, 0, this, 0);
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}
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}
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if (!target) {
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hide();
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}
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bool newTarget = (d->target != target);
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d->target = target;
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if (target) {
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setZValue(target->zValue() - 1);
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if (parentItem() != target->parentItem()) {
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QTransform t = transform();
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setTransform(QTransform());
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QRectF geom = mapToScene(geometry()).boundingRect();
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setGeometry(mapFromScene(geom).boundingRect());
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setTransform(t);
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}
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QRectF rect = target->boundingRect();
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rect.moveTopLeft(mapToParent(mapFromScene(target->mapToScene(QPointF(0, 0)))));
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setTarget(rect);
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if (newTarget) {
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QObject *obj = 0;
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if (target->isWidget()) {
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obj = static_cast<QGraphicsWidget*>(target);
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obj->installEventFilter(this);
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} else {
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d->target->installSceneEventFilter(this);
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obj = dynamic_cast<QObject *>(target);
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}
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if (obj) {
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connect(obj, SIGNAL(destroyed(QObject*)), this, SLOT(targetDestroyed(QObject*)));
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}
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}
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}
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}
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QGraphicsItem *ItemBackground::targetItem() const
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{
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return d->target;
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}
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bool ItemBackground::eventFilter(QObject *watched, QEvent *event)
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{
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QGraphicsWidget *targetWidget = static_cast<QGraphicsWidget *>(d->target);
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if (watched == targetWidget) {
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if (event->type() == QEvent::GraphicsSceneResize ||
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event->type() == QEvent::GraphicsSceneMove) {
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// We need to wait for the parent widget to resize...
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QTimer::singleShot(0, this, SLOT(refreshCurrentTarget()) );
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} else if (event->type() == QEvent::Show) {
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setTargetItem(targetWidget);
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}
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}
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return false;
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}
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bool ItemBackground::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
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{
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if (watched == d->target) {
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if (event->type() == QEvent::GraphicsSceneMove) {
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QTimer::singleShot(0, this, SLOT(refreshCurrentTarget()) );
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}
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}
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return false;
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}
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void ItemBackground::resizeEvent(QGraphicsSceneResizeEvent *)
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{
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d->frameSvg->resizeFrame(size());
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}
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QVariant ItemBackground::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (d->immediate) {
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return value;
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}
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if (change == ItemVisibleChange) {
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bool visible = value.toBool();
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bool retVisible = visible;
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if (visible == isVisible() || d->anim->state() == QAbstractAnimation::Stopped) {
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retVisible = true;
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}
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d->fading = true;
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d->fadeIn = visible;
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if (d->anim->state() != QAbstractAnimation::Stopped) {
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d->anim->stop();
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}
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d->anim->setDuration(250);
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d->anim->start();
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return retVisible;
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}
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return value;
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}
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void ItemBackground::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(widget)
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if (qFuzzyCompare(d->opacity, (qreal)1.0)) {
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d->frameSvg->paintFrame(painter, option->rect.topLeft());
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} else if (qFuzzyCompare(d->opacity+1, (qreal)1.0)) {
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return;
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} else {
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QPixmap framePix = d->frameSvg->framePixmap();
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QPainter bufferPainter(&framePix);
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bufferPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
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bufferPainter.fillRect(framePix.rect(), QColor(0, 0, 0, 255 * d->opacity));
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bufferPainter.end();
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painter->drawPixmap(framePix.rect(), framePix, framePix.rect());
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}
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}
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void ItemBackground::setAnimationUpdate(qreal progress)
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{
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d->animationUpdate(progress);
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}
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qreal ItemBackground::animationUpdate() const
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{
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return d->opacity;
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}
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void ItemBackgroundPrivate::animationUpdate(qreal progress)
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{
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if (progress == 1) {
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if ((!fading) || (fadeIn)) {
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emit q->targetReached(newGeometry);
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if (target) {
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emit q->targetItemReached(target);
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}
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}
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}
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if (fading) {
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opacity = fadeIn?progress:1-progress;
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if (!fadeIn && qFuzzyCompare(opacity+1, (qreal)1.0)) {
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immediate = true;
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q->hide();
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immediate = false;
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}
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} else if (oldGeometry != newGeometry) {
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q->setGeometry(oldGeometry.x() + (newGeometry.x() - oldGeometry.x()) * progress,
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oldGeometry.y() + (newGeometry.y() - oldGeometry.y()) * progress,
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oldGeometry.width() + (newGeometry.width() - oldGeometry.width()) * progress,
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oldGeometry.height() + (newGeometry.height() - oldGeometry.height()) * progress);
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}
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q->update();
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emit q->animationStep(progress);
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}
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void ItemBackgroundPrivate::targetDestroyed(QObject*)
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{
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target = 0;
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q->setTargetItem(0);
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}
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void ItemBackgroundPrivate::frameSvgChanged()
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{
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qreal l, t, r, b;
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frameSvg->getMargins(l, t, r, b);
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q->setContentsMargins(l, t, r, b);
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q->update();
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emit q->appearanceChanged();
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}
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void ItemBackgroundPrivate::refreshCurrentTarget()
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{
|
|
||||||
q->setTargetItem(target);
|
|
||||||
}
|
|
||||||
|
|
||||||
} // Plasma namespace
|
|
||||||
|
|
||||||
|
|
||||||
#include "moc_itembackground.cpp"
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,122 +0,0 @@
|
||||||
/***************************************************************************
|
|
||||||
* Copyright 2009 by Alessandro Diaferia <alediaferia@gmail.com> *
|
|
||||||
* Copyright 2009 by Marco Martin <notmart@gmail.com> *
|
|
||||||
* *
|
|
||||||
* 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, 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 General Public License for more details. *
|
|
||||||
* *
|
|
||||||
* You should have received a copy of the GNU General Public License *
|
|
||||||
* along with this program; if not, write to the *
|
|
||||||
* Free Software Foundation, Inc., *
|
|
||||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
#ifndef ITEMBACKGROUND_H
|
|
||||||
#define ITEMBACKGROUND_H
|
|
||||||
|
|
||||||
#include <QtGui/QGraphicsWidget>
|
|
||||||
|
|
||||||
#include <plasma/plasma_export.h>
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @class ItemBackground plasma/widgets/itembackground.h
|
|
||||||
*
|
|
||||||
* @short a background for QGraphicsWidget based item views with animation effects
|
|
||||||
*
|
|
||||||
* @since 4.4
|
|
||||||
*/
|
|
||||||
namespace Plasma {
|
|
||||||
|
|
||||||
class FrameSvg;
|
|
||||||
class ItemBackgroundPrivate;
|
|
||||||
|
|
||||||
class PLASMA_EXPORT ItemBackground : public QGraphicsWidget
|
|
||||||
{
|
|
||||||
Q_OBJECT
|
|
||||||
Q_PROPERTY(QRectF target READ target WRITE setTarget)
|
|
||||||
Q_PROPERTY(QGraphicsItem* targetItem READ targetItem WRITE setTargetItem)
|
|
||||||
Q_PROPERTY(qreal animationUpdate READ animationUpdate WRITE setAnimationUpdate)
|
|
||||||
|
|
||||||
public:
|
|
||||||
ItemBackground(QGraphicsWidget *parent = 0);
|
|
||||||
~ItemBackground();
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets a new target geometry we want at the end of animation
|
|
||||||
*
|
|
||||||
* @param newGeometry the final geometry target
|
|
||||||
*/
|
|
||||||
void setTarget(const QRectF &newGeometry);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @return the current target rect; may be empty if there is no target currently set
|
|
||||||
*/
|
|
||||||
QRectF target() const;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* set the ItemBackground geometry to be the target geometry, plus the ItemBackground margins
|
|
||||||
*/
|
|
||||||
void setTargetItem(QGraphicsItem *target);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @return the target item, if any
|
|
||||||
*/
|
|
||||||
QGraphicsItem *targetItem() const;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @reimp from QGraphicsWidget
|
|
||||||
*/
|
|
||||||
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
||||||
|
|
||||||
Q_SIGNALS:
|
|
||||||
/**
|
|
||||||
* Emitted when the visual layout and appearance changes. Useful for synchronizing
|
|
||||||
* content margins.
|
|
||||||
*/
|
|
||||||
void appearanceChanged();
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Emitted at each animation frame. Useful for synchronizing item animations
|
|
||||||
*/
|
|
||||||
void animationStep(qreal progress);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Emitted when the target has been reached. Useful to consider this instead of
|
|
||||||
* the corresponding hoverEnterEvent;
|
|
||||||
*/
|
|
||||||
void targetReached(QRectF);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Emitted when the target has been reached. Useful to consider this instead of
|
|
||||||
* the corresponding hoverEnterEvent;
|
|
||||||
*/
|
|
||||||
void targetItemReached(QGraphicsItem *);
|
|
||||||
|
|
||||||
protected:
|
|
||||||
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
|
|
||||||
bool eventFilter(QObject *watched, QEvent *event);
|
|
||||||
bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
|
|
||||||
void resizeEvent(QGraphicsSceneResizeEvent *);
|
|
||||||
|
|
||||||
private:
|
|
||||||
void setAnimationUpdate(qreal progress);
|
|
||||||
qreal animationUpdate() const;
|
|
||||||
|
|
||||||
private:
|
|
||||||
Q_PRIVATE_SLOT(d, void targetDestroyed(QObject*))
|
|
||||||
Q_PRIVATE_SLOT(d, void frameSvgChanged())
|
|
||||||
Q_PRIVATE_SLOT(d, void refreshCurrentTarget())
|
|
||||||
|
|
||||||
friend class ItemBackgroundPrivate;
|
|
||||||
ItemBackgroundPrivate * const d;
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
Loading…
Add table
Reference in a new issue