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an element that would do a fullscreen window

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FIXME: this needs to be private in some way
This commit is contained in:
Marco Martin 2012-01-06 20:38:21 +01:00
parent 4bf3597b2d
commit 37ac92ca50
3 changed files with 247 additions and 0 deletions
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1
declarativeimports/core/CMakeLists.txt
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@ -4,6 +4,7 @@ set(corebindings_SRCS
declarativeitemcontainer.cpp declarativeitemcontainer.cpp
corebindingsplugin.cpp corebindingsplugin.cpp
dataengineconsumer.cpp dataengineconsumer.cpp
fullscreendialog.cpp
theme.cpp theme.cpp
datamodel.cpp datamodel.cpp
datasource.cpp datasource.cpp

177
declarativeimports/core/fullscreendialog.cpp Normal file
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@ -0,0 +1,177 @@
/***************************************************************************
* Copyright 2012 Marco Martin <mart@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU 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 . *
***************************************************************************/
#include "fullscreendialog.h"
#include "declarativeitemcontainer_p.h"
#include <QDeclarativeItem>
#include <QGraphicsObject>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsWidget>
#include <QLayout>
#include <QTimer>
#include <KWindowSystem>
#include <Plasma/Corona>
uint FullScreenDialog::s_numItems = 0;
FullScreenDialog::FullScreenDialog(QObject *parent)
: QObject(parent)
{
m_view = new QGraphicsView();
m_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
m_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
m_view->installEventFilter(this);
m_view->setAutoFillBackground(false);
m_view->viewport()->setAutoFillBackground(false);
m_view->setAttribute(Qt::WA_TranslucentBackground);
m_view->setAttribute(Qt::WA_OpaquePaintEvent);
m_view->setAttribute(Qt::WA_NoSystemBackground);
m_view->viewport()->setAttribute(Qt::WA_OpaquePaintEvent);
m_view->viewport()->setAttribute(Qt::WA_NoSystemBackground);
m_view->setWindowFlags(m_view->windowFlags() | Qt::FramelessWindowHint | Qt::CustomizeWindowHint);
m_view->setFrameShape(QFrame::NoFrame);
KWindowSystem::setOnAllDesktops(m_view->winId(), true);
unsigned long state = NET::Sticky | NET::StaysOnTop | NET::KeepAbove | NET::SkipTaskbar | NET::SkipPager | NET::MaxVert | NET::MaxHoriz;
KWindowSystem::setState(m_view->effectiveWinId(), state);
KWindowSystem::setType(m_view->effectiveWinId(), NET::Dock);
}
FullScreenDialog::~FullScreenDialog()
{
delete m_view;
}
QGraphicsObject *FullScreenDialog::mainItem() const
{
return m_mainItem.data();
}
void FullScreenDialog::setMainItem(QGraphicsObject *mainItem)
{
if (m_mainItem.data() != mainItem) {
if (m_mainItem) {
m_mainItem.data()->setParent(mainItem->parent());
m_mainItem.data()->removeEventFilter(this);
m_mainItem.data()->setY(0);
m_scene = 0;
}
m_mainItem = mainItem;
if (mainItem) {
mainItem->setParentItem(0);
mainItem->setParent(this);
m_scene = mainItem->scene();
}
mainItem->installEventFilter(this);
//if this is called in Compenent.onCompleted we have to wait a loop the item is added to a scene
QTimer::singleShot(0, this, SLOT(syncMainItem()));
emit mainItemChanged();
}
}
void FullScreenDialog::syncMainItem()
{
if (!m_mainItem) {
return;
}
//not have a scene? go up in the hyerarchy until we find something with a scene
QGraphicsScene *scene = m_mainItem.data()->scene();
if (!scene) {
QObject *parent = m_mainItem.data();
while ((parent = parent->parent())) {
QGraphicsObject *qo = qobject_cast<QGraphicsObject *>(parent);
if (qo) {
scene = qo->scene();
if (scene) {
scene->addItem(m_mainItem.data());
++s_numItems;
Plasma::Corona *corona = qobject_cast<Plasma::Corona *>(scene);
QDeclarativeItem *di = qobject_cast<QDeclarativeItem *>(m_mainItem.data());
if (corona && di) {
if (!m_declarativeItemContainer) {
m_declarativeItemContainer = new DeclarativeItemContainer();
scene->addItem(m_declarativeItemContainer);
corona->addOffscreenWidget(m_declarativeItemContainer);
}
m_declarativeItemContainer->setDeclarativeItem(di);
} else {
m_mainItem.data()->setY(-10000*s_numItems);
m_mainItem.data()->setY(10000*s_numItems);
}
break;
}
}
}
}
if (!scene) {
return;
}
m_view->setScene(scene);
m_view->setMinimumSize(QSize(m_mainItem.data()->boundingRect().width(), m_mainItem.data()->boundingRect().height()));
m_view->setMaximumSize(m_view->minimumSize());
QRectF itemGeometry(QPointF(m_mainItem.data()->x(), m_mainItem.data()->y()),
QSizeF(m_mainItem.data()->boundingRect().size()));
m_view->setSceneRect(itemGeometry);
}
bool FullScreenDialog::isVisible() const
{
return m_view->isVisible();
}
void FullScreenDialog::setVisible(const bool visible)
{
if (m_view->isVisible() != visible) {
m_view->setVisible(visible);
if (visible) {
m_view->setVisible(visible);
m_view->raise();
}
emit visibleChanged();
}
}
bool FullScreenDialog::eventFilter(QObject *watched, QEvent *event)
{
if (watched == m_view &&
(event->type() == QEvent::Resize || event->type() == QEvent::Move)) {
syncMainItem();
}
return false;
}
#include "fullscreendialog.moc"

69
declarativeimports/core/fullscreendialog.h Normal file
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@ -0,0 +1,69 @@
/***************************************************************************
* Copyright 2012 Marco Martin <mart@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU 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 FULLSCREENDIALOG_P
#define FULLSCREENDIALOG_P
#include <QObject>
#include <QPoint>
#include <QRect>
#include <QTimer>
#include <QWeakPointer>
class QGraphicsObject;
class QGraphicsView;
class QGraphicsScene;
class DeclarativeItemContainer;
class FullScreenDialog : public QObject
{
Q_OBJECT
Q_PROPERTY(QGraphicsObject *mainItem READ mainItem WRITE setMainItem NOTIFY mainItemChanged)
Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged)
public:
FullScreenDialog(QObject *parent = 0);
~FullScreenDialog();
QGraphicsObject *mainItem() const;
void setMainItem(QGraphicsObject *mainItem);
bool isVisible() const;
void setVisible(const bool visible);
Q_SIGNALS:
void visibleChanged();
void mainItemChanged();
protected Q_SLOTS:
void syncMainItem();
protected:
bool eventFilter(QObject *watched, QEvent *event);
private:
QGraphicsView *m_view;
QWeakPointer<QGraphicsObject> m_mainItem;
DeclarativeItemContainer *m_declarativeItemContainer;
QGraphicsScene *m_scene;
static uint s_numItems;
};
#endif