2008-07-17 11:30:57 +02:00
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/***************************************************************************
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* Copyright (C) 2008 by Montel Laurent <montel@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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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 "popupapplet.h"
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#include <QGraphicsProxyWidget>
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#include <QGraphicsLinearLayout>
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#include <QVBoxLayout>
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2008-07-28 01:23:57 +02:00
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#include <QTimer>
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2008-07-17 11:30:57 +02:00
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#include <KIcon>
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#include <KIconLoader>
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#include <plasma/dialog.h>
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2008-08-06 22:41:10 +02:00
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#include <plasma/corona.h>
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2008-08-25 15:55:26 +02:00
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#include <plasma/containment.h>
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#include <plasma/extender.h>
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2008-07-17 11:30:57 +02:00
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#include <plasma/widgets/icon.h>
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namespace Plasma
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{
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class PopupAppletPrivate
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{
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public:
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PopupAppletPrivate(PopupApplet *applet)
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: q(applet),
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icon(0),
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dialog(0),
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layout(0),
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2008-07-28 01:23:57 +02:00
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proxy(0),
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savedAspectRatio(Plasma::InvalidAspectRatioMode),
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timer(0)
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{
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}
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~PopupAppletPrivate()
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{
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if (proxy) {
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proxy->setWidget(0);
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}
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delete dialog;
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delete icon;
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}
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void togglePopup();
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void hideTimedPopup();
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PopupApplet *q;
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Plasma::Icon *icon;
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Plasma::Dialog *dialog;
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QGraphicsLinearLayout *layout;
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QGraphicsProxyWidget *proxy;
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Plasma::AspectRatioMode savedAspectRatio;
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QTimer *timer;
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};
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PopupApplet::PopupApplet(QObject *parent, const QVariantList &args)
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: Plasma::Applet(parent, args),
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d(new PopupAppletPrivate(this))
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{
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int iconSize = IconSize(KIconLoader::Desktop);
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resize(iconSize, iconSize);
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}
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PopupApplet::~PopupApplet()
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{
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delete d;
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}
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void PopupApplet::setIcon(const QIcon &icon)
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{
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if (!d->icon) {
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d->icon = new Plasma::Icon(icon, QString(), this);
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} else {
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d->icon->setIcon(icon);
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}
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}
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void PopupApplet::setIcon(const QString &iconName)
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{
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if (!d->icon) {
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d->icon = new Plasma::Icon(KIcon(iconName), QString(), this);
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} else {
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d->icon->setIcon(iconName);
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}
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}
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QIcon PopupApplet::icon() const
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{
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return d->icon->icon();
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}
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QWidget *PopupApplet::widget()
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{
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return 0;
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2008-07-28 08:59:20 +02:00
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}
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QGraphicsWidget *PopupApplet::graphicsWidget()
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{
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return 0;
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}
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void PopupApplet::constraintsEvent(Plasma::Constraints constraints)
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{
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if (constraints & Plasma::StartupCompletedConstraint) {
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if (!d->icon) {
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d->icon = new Plasma::Icon(KIcon("icons"), QString(), this);
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}
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setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
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setMaximumSize(INT_MAX, INT_MAX);
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d->layout = new QGraphicsLinearLayout(this);
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d->layout->setContentsMargins(0, 0, 0, 0);
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d->layout->setSpacing(0);
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d->layout->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
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d->layout->setMaximumSize(INT_MAX, INT_MAX);
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d->layout->setOrientation(Qt::Horizontal);
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setLayout(d->layout);
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connect(d->icon, SIGNAL(clicked()), this, SLOT(togglePopup()));
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}
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2008-08-25 15:55:26 +02:00
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//since we call this function when an extender's geometry gets updated, we want to avoid doing
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//anything if the StartupCompletedConstraint hasn't been called yet.
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if (!d->layout) {
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return;
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}
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2008-07-17 11:30:57 +02:00
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if (constraints & Plasma::FormFactorConstraint) {
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d->layout->removeAt(0);
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2008-07-17 11:30:57 +02:00
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switch (formFactor()) {
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case Plasma::Planar:
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case Plasma::MediaCenter: {
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2008-08-11 20:15:37 +02:00
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if (d->icon) {
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d->icon->hide();
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}
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2008-07-28 01:23:57 +02:00
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if (d->savedAspectRatio != Plasma::InvalidAspectRatioMode) {
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setAspectRatioMode(d->savedAspectRatio);
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}
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if (d->dialog) {
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if (d->dialog->layout() && widget()) {
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//we dont want to delete Widget inside the dialog layout
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d->dialog->layout()->removeWidget(widget());
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}
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delete d->dialog;
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d->dialog = 0;
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}
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2008-07-26 17:05:16 +02:00
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//get the margins
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QSizeF marginSize = size() - contentsRect().size();
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if (graphicsWidget()) {
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d->layout->addItem(graphicsWidget());
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setMinimumSize(graphicsWidget()->minimumSize() + marginSize);
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}
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else {
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if (!d->proxy) {
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d->proxy = new QGraphicsProxyWidget(this);
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d->proxy->setWidget(widget());
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d->proxy->show();
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}
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d->layout->addItem(d->proxy);
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setMinimumSize(widget() ? widget()->minimumSize() + marginSize : QSizeF(300, 200));
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}
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break;
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}
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case Plasma::Horizontal:
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case Plasma::Vertical:
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//save the aspect ratio mode in case we drag'n drop in the Desktop later
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d->savedAspectRatio = aspectRatioMode();
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setAspectRatioMode(Plasma::ConstrainedSquare);
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2008-08-11 20:15:37 +02:00
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if (d->icon) {
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d->icon->show();
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}
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2008-07-17 11:30:57 +02:00
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if (d->proxy) {
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d->proxy->setWidget(0); // prevent it from deleting our widget!
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delete d->proxy;
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d->proxy = 0;
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}
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if (!d->dialog) {
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d->dialog = new Plasma::Dialog();
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d->dialog->setWindowFlags(Qt::Popup);
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if (graphicsWidget()) {
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Corona *corona = qobject_cast<Corona *>(graphicsWidget()->scene());
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//could that cast ever fail??
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if (corona) {
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corona->addOffscreenWidget(graphicsWidget());
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graphicsWidget()->resize(graphicsWidget()->preferredSize());
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graphicsWidget()->setMinimumSize(graphicsWidget()->preferredSize());
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d->dialog->setGraphicsWidget(graphicsWidget());
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}
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} else {
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QVBoxLayout *l_layout = new QVBoxLayout(d->dialog);
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l_layout->setSpacing(0);
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l_layout->setMargin(0);
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l_layout->addWidget(widget());
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}
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}
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d->dialog->adjustSize();
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d->layout->addItem(d->icon);
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2008-08-25 15:55:26 +02:00
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setMinimumSize(QSizeF(0, 0));
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setMaximumWidth(containment()->size().height());
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setMaximumHeight(containment()->size().height());
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2008-07-17 11:30:57 +02:00
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break;
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}
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}
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}
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2008-07-28 01:23:57 +02:00
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void PopupApplet::showPopup(uint popupDuration)
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{
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if (d->dialog && (formFactor() == Horizontal || formFactor() == Vertical)) {
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2008-08-26 01:16:18 +02:00
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d->dialog->adjustView();
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d->dialog->move(popupPosition(d->dialog->size()));
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d->dialog->show();
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if (d->timer) {
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d->timer->stop();
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}
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if (popupDuration > 0) {
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if (!d->timer) {
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d->timer = new QTimer(this);
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connect(d->timer, SIGNAL(timeout()), this, SLOT(hideTimedPopup()));
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}
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d->timer->start(popupDuration);
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}
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2008-07-17 11:30:57 +02:00
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}
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}
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void PopupApplet::hidePopup()
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{
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if (d->dialog && (formFactor() == Horizontal || formFactor() == Vertical)) {
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d->dialog->hide();
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}
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}
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2008-08-25 15:55:26 +02:00
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void PopupApplet::widgetGeometryChanged()
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{
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if (graphicsWidget()) {
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//sizes are recalculated in the constraintsevent so let's just call that.
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if (layout()) {
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constraintsEvent(Plasma::FormFactorConstraint);
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//resize vertically if necesarry.
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if (formFactor() == Plasma::MediaCenter || formFactor() == Plasma::Planar) {
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resize(QSizeF(size().width(), minimumHeight()));
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2008-08-26 01:16:18 +02:00
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} else {
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if (graphicsWidget()) {
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graphicsWidget()->resize(graphicsWidget()->minimumSize());
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graphicsWidget()->update();
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}
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if (d->dialog) {
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d->dialog->adjustView();
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d->dialog->move(popupPosition(d->dialog->size()));
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}
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2008-08-25 15:55:26 +02:00
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}
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}
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}
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}
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2008-07-17 11:30:57 +02:00
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void PopupAppletPrivate::togglePopup()
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{
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if (dialog) {
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if (dialog->isVisible()) {
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dialog->hide();
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} else {
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dialog->move(q->popupPosition(dialog->sizeHint()));
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dialog->show();
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}
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2008-07-17 11:30:57 +02:00
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2008-07-28 01:23:57 +02:00
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dialog->clearFocus();
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}
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2008-07-28 01:23:57 +02:00
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}
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2008-07-17 11:30:57 +02:00
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2008-07-28 01:23:57 +02:00
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void PopupAppletPrivate::hideTimedPopup()
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{
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timer->stop();
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q->hidePopup();
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2008-07-17 11:30:57 +02:00
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}
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} // Plasma namespace
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#include "popupapplet.moc"
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