plasma-framework/popupapplet.cpp
Marco Martin 8db20e64c7 consider also declarative items for parentSize
this fixes applets collapse in the new qml systray
2012-12-28 18:45:37 +01:00

1002 lines
31 KiB
C++

/*
* Copyright 2008 by Montel Laurent <montel@kde.org>
* Copyright 2008 by Marco Martin <notmart@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "popupapplet.h"
#include "private/popupapplet_p.h"
#include "private/dialog_p.h"
#include <QApplication>
#include <QGraphicsProxyWidget>
#include <QGraphicsLinearLayout>
#include <QTimer>
#include <QVBoxLayout>
#include <QDeclarativeItem>
#ifdef Q_WS_X11
#include <QX11Info>
#endif
#include <kicon.h>
#include <kiconloader.h>
#include <kwindowsystem.h>
#include <kglobalsettings.h>
#include <netwm.h>
#include "plasma/private/applet_p.h"
#include "plasma/private/extenderitemmimedata_p.h"
#include "plasma/corona.h"
#include "plasma/containment.h"
#include "plasma/private/containment_p.h"
#include "plasma/dialog.h"
#include "plasma/extenders/extender.h"
#include "plasma/extenders/extenderitem.h"
#include "plasma/package.h"
#include "plasma/theme.h"
#include "plasma/scripting/appletscript.h"
#include "plasma/tooltipmanager.h"
#include "plasma/widgets/iconwidget.h"
namespace Plasma
{
PopupApplet::PopupApplet(QObject *parent, const QVariantList &args)
: Plasma::Applet(parent, args),
d(new PopupAppletPrivate(this))
{
}
PopupApplet::PopupApplet(const QString &packagePath, uint appletId, const QVariantList &args)
: Plasma::Applet(packagePath, appletId, args),
d(new PopupAppletPrivate(this))
{
}
PopupApplet::~PopupApplet()
{
delete widget();
delete d;
}
void PopupApplet::setPopupIcon(const QIcon &icon)
{
if (icon.isNull()) {
if (d->icon) {
delete d->icon;
d->icon = 0;
setLayout(0);
setAspectRatioMode(d->savedAspectRatio);
d->popupConstraintsEvent(FormFactorConstraint);
}
return;
}
d->createIconWidget();
d->icon->setIcon(icon);
}
void PopupApplet::setPopupIcon(const QString &iconName)
{
// Attempt 1: is it in the plasmoid package?
if (package()) {
const QString file = package()->filePath("images", iconName);
if (!file.isEmpty()) {
setPopupIcon(KIcon(file));
return;
}
}
// Attempt 2: is it a svg in the icons directory?
QString name = QString("icons/") + iconName.split("-").first();
if (!Plasma::Theme::defaultTheme()->imagePath(name).isEmpty()) {
d->createIconWidget();
d->icon->setSvg(name, iconName);
if (d->icon->svg().isEmpty()) {
setPopupIcon(KIcon(iconName));
}
return;
}
// Final Attempt: use KIcon
setPopupIcon(KIcon(iconName));
}
QIcon PopupApplet::popupIcon() const
{
return d->icon ? d->icon->icon() : QIcon();
}
QWidget *PopupApplet::widget()
{
return d->widget;
}
void PopupApplet::setWidget(QWidget *widget)
{
if (d->widget) {
Plasma::Dialog *dialog = d->dialogPtr.data();
if (dialog) {
dialog->setGraphicsWidget(0);
QVBoxLayout *lay = 0;
QLayout *existingLayout = dialog->layout();
if (existingLayout) {
lay = dynamic_cast<QVBoxLayout *>(existingLayout);
if (!lay) {
delete existingLayout;
}
}
if (!lay) {
lay = new QVBoxLayout;
dialog->setLayout(lay);
}
lay->removeWidget(d->widget);
lay->addWidget(widget);
} else if (d->proxy) {
d->proxy.data()->setWidget(widget);
}
}
d->widget = widget;
}
QGraphicsWidget *PopupApplet::graphicsWidget()
{
if (d->graphicsWidget) {
return d->graphicsWidget.data();
} else {
return static_cast<Applet*>(this)->d->extender.data();
}
}
void PopupApplet::setGraphicsWidget(QGraphicsWidget *graphicsWidget)
{
if (d->graphicsWidget) {
if (d->dialogPtr) {
d->dialogPtr.data()->setGraphicsWidget(graphicsWidget);
} else if (layout()) {
QGraphicsLinearLayout *lay = static_cast<QGraphicsLinearLayout *>(layout());
lay->removeAt(0);
if (graphicsWidget) {
lay->addItem(graphicsWidget);
}
}
}
d->graphicsWidget = graphicsWidget;
}
void PopupAppletPrivate::checkExtenderAppearance(Plasma::FormFactor f)
{
Extender *extender = qobject_cast<Extender*>(q->graphicsWidget());
if (extender) {
if (f != Plasma::Horizontal && f != Plasma::Vertical) {
extender->setAppearance(Extender::NoBorders);
} else if (q->location() == TopEdge) {
extender->setAppearance(Extender::TopDownStacked);
} else {
extender->setAppearance(Extender::BottomUpStacked);
}
if (dialogPtr) {
dialogPtr.data()->setGraphicsWidget(extender);
}
}
}
void PopupAppletPrivate::popupConstraintsEvent(Plasma::Constraints constraints)
{
Plasma::FormFactor f = q->formFactor();
if (constraints & Plasma::LocationConstraint) {
checkExtenderAppearance(f);
}
if (constraints & Plasma::FormFactorConstraint ||
constraints & Plasma::StartupCompletedConstraint ||
(constraints & Plasma::SizeConstraint &&
(f == Plasma::Vertical || f == Plasma::Horizontal))) {
QGraphicsLinearLayout *lay = dynamic_cast<QGraphicsLinearLayout *>(q->layout());
if (icon && lay && lay->count() > 0) {
lay->removeAt(0);
}
QSizeF minimum;
QSizeF parentSize;
QGraphicsWidget *gWidget = q->graphicsWidget();
//kDebug() << "graphics widget is" << (QObject*)gWidget;
QWidget *qWidget = q->widget();
if (gWidget) {
minimum = gWidget->minimumSize();
// our layout may have been replaced on us in the call to graphicsWidget!
lay = dynamic_cast<QGraphicsLinearLayout *>(q->layout());
if (!(constraints & LocationConstraint)) {
checkExtenderAppearance(f);
}
} else if (qWidget) {
minimum = qWidget->minimumSizeHint();
}
//99% of the times q->parentWidget() is the containment, but using it we can also manage the applet-in-applet case (i.e. systray)
//there are also cases where the parentlayoutitem is bigger than the containment (e.g. newspaper)
QDeclarativeItem *di = qobject_cast<QDeclarativeItem *>(q->parentObject());
if (q->parentLayoutItem()) {
parentSize = q->parentLayoutItem()->geometry().size();
} else if (q->parentWidget()) {
parentSize = q->parentWidget()->size();
} else if (di) {
parentSize = QSizeF(di->width(), di->height());
}
//check if someone did the nasty trick of applets in applets, in this case we always want to be collapsed
QGraphicsWidget *candidateParentApplet = q;
Plasma::Applet *parentApplet = 0;
//this loop should be executed normally a single time, at most 2-3 times for quite complex containments
while (candidateParentApplet) {
candidateParentApplet = candidateParentApplet->parentWidget();
parentApplet = qobject_cast<Plasma::Applet *>(candidateParentApplet);
if (parentApplet) {
break;
}
}
//If the popup is more than two times larger than the applet
//center it (or taller in case of vertical panels
if (f == Plasma::Vertical) {
if ((gWidget && gWidget->size().height() > q->size().height() / 2) ||
(qWidget && qWidget->size().height() > q->size().height() / 2)) {
popupAlignment = Qt::AlignCenter;
} else {
popupAlignment = Qt::AlignLeft;
}
} else {
if ((gWidget && gWidget->size().width() > q->size().width() / 2) ||
(qWidget && qWidget->size().width() > q->size().width() / 2)) {
popupAlignment = Qt::AlignCenter;
} else {
popupAlignment = Qt::AlignLeft;
}
}
//Applet on desktop
if ((!parentApplet || parentApplet->isContainment() ) && icon && (!icon->svg().isEmpty() || !icon->icon().isNull()) && ((f != Plasma::Vertical && f != Plasma::Horizontal) ||
((f == Plasma::Vertical && parentSize.width() >= minimum.width()) ||
(f == Plasma::Horizontal && parentSize.height() >= minimum.height())))) {
//kDebug() << "we are expanding the popupapplet";
// we only switch to expanded if we aren't horiz/vert constrained and
// this applet has an icon.
// otherwise, we leave it up to the applet itself to figure it out
if (icon) {
icon->hide();
}
if (savedAspectRatio != Plasma::InvalidAspectRatioMode) {
q->setAspectRatioMode(savedAspectRatio);
}
Dialog *dialog = dialogPtr.data();
if (dialog) {
if (dialog->layout() && qWidget) {
//we don't want to delete Widget inside the dialog layout
dialog->layout()->removeWidget(qWidget);
}
if (qWidget) {
qWidget->setParent(0);
}
delete dialog;
}
if (!lay) {
lay = new QGraphicsLinearLayout();
lay->setContentsMargins(0, 0, 0, 0);
lay->setSpacing(0);
lay->setOrientation(Qt::Horizontal);
q->setLayout(lay);
}
QSize prefSize;
if (gWidget) {
if (proxy) {
proxy.data()->setWidget(0);
delete proxy.data();
}
Corona *corona = qobject_cast<Corona *>(gWidget->scene());
if (corona) {
corona->removeOffscreenWidget(gWidget);
}
lay->addItem(gWidget);
prefSize = gWidget->preferredSize().toSize();
} else if (qWidget) {
if (!proxy) {
proxy = new QGraphicsProxyWidget(q);
proxy.data()->setWidget(qWidget);
proxy.data()->show();
}
lay->addItem(proxy.data());
prefSize = qWidget->sizeHint();
}
//we could be on a big panel, but in that case we will be able to resize
//more than the natural minimum size, because we'll transform into an icon
if (f == Plasma::Horizontal) {
minimum.setHeight(0);
} else if (f == Plasma::Vertical) {
minimum.setWidth(0);
}
qreal left, top, right, bottom;
q->getContentsMargins(&left, &top, &right, &bottom);
QSizeF oldSize(q->size());
//size not saved/invalid size saved
if (oldSize.width() < q->minimumSize().width() || oldSize.height() < q->minimumSize().height()) {
q->resize(prefSize);
emit q->appletTransformedItself();
}
} else {
//Applet on popup
if (icon && lay) {
lay->addItem(icon);
}
//kDebug() << "about to switch to a popup";
if (!qWidget && !gWidget) {
delete dialogPtr.data();
return;
}
//there was already a dialog? don't make the switch again
if (dialogPtr) {
return;
}
if (proxy) {
proxy.data()->setWidget(0); // prevent it from deleting our widget!
delete proxy.data();
}
//save the aspect ratio mode in case we drag'n drop in the Desktop later
savedAspectRatio = q->aspectRatioMode();
if (icon) {
icon->show();
q->setAspectRatioMode(Plasma::ConstrainedSquare);
}
Dialog *dialog = new Dialog();
dialog->d->appletPtr = q;
dialogPtr = dialog;
if (icon) {
dialog->setAspectRatioMode(savedAspectRatio);
}
//no longer use Qt::Popup since that seems to cause a lot of problem when you drag
//stuff out of your Dialog (extenders). Monitor WindowDeactivate events so we can
//emulate the same kind of behavior as Qt::Popup (close when you click somewhere
//else.
if (gWidget) {
Corona *corona = qobject_cast<Corona *>(gWidget->scene());
if (!corona) {
corona = qobject_cast<Corona *>(q->scene());
}
if (corona) {
corona->addOffscreenWidget(gWidget);
}
gWidget->show();
dialog->setGraphicsWidget(gWidget);
dialog->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | (gWidget->windowFlags() & Qt::X11BypassWindowManagerHint));
} else if (qWidget) {
QVBoxLayout *l_layout = new QVBoxLayout(dialog);
l_layout->setSpacing(0);
l_layout->setMargin(0);
l_layout->addWidget(qWidget);
dialog->adjustSize();
dialog->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | (qWidget->windowFlags() & Qt::X11BypassWindowManagerHint));
} else {
dialog->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
}
restoreDialogSize();
KWindowSystem::setState(dialog->winId(), NET::SkipTaskbar | NET::SkipPager);
dialog->installEventFilter(q);
QObject::connect(dialog, SIGNAL(dialogResized()), q, SLOT(dialogSizeChanged()));
QObject::connect(dialog, SIGNAL(dialogVisible(bool)), q, SLOT(dialogStatusChanged(bool)));
}
}
if (constraints & Plasma::PopupConstraint) {
updateDialogPosition();
}
if (icon) {
// emit the size hint changing stuff for our applet as we are handling
// the size changings
emit q->sizeHintChanged(Qt::PreferredSize);
}
}
void PopupAppletPrivate::appletActivated()
{
internalTogglePopup(true);
}
QSizeF PopupApplet::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
{
if (!d->dialogPtr || which != Qt::PreferredSize) {
return Applet::sizeHint(which, constraint);
}
switch (formFactor()) {
case Vertical:
case Horizontal: {
const int size = IconSize(KIconLoader::Panel);
return QSizeF(size, size);
}
default:
break;
}
const int size = IconSize(KIconLoader::Desktop);
return QSizeF(size, size);
}
void PopupApplet::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (!d->icon && !d->popupLostFocus && event->buttons() == Qt::LeftButton) {
d->clicked = scenePos().toPoint();
event->setAccepted(true);
return;
} else {
d->popupLostFocus = false;
Applet::mousePressEvent(event);
}
}
void PopupApplet::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (!d->icon &&
(d->clicked - scenePos().toPoint()).manhattanLength() < KGlobalSettings::dndEventDelay()) {
d->internalTogglePopup();
} else {
Applet::mouseReleaseEvent(event);
}
}
bool PopupApplet::eventFilter(QObject *watched, QEvent *event)
{
if (!d->passive && watched == d->dialogPtr.data() && (event->type() == QEvent::WindowDeactivate)) {
d->popupLostFocus = true;
QTimer::singleShot(100, this, SLOT(clearPopupLostFocus()));
}
if (watched == d->dialogPtr.data() && event->type() == QEvent::ContextMenu) {
//pass it up to the applet
//well, actually we have to pass it to the *containment*
//because all the code for showing an applet's contextmenu is actually in Containment.
Containment *c = containment();
if (c) {
Applet *applet = this;
Dialog *dialog = d->dialogPtr.data();
if (dialog && dialog->graphicsWidget()) {
int left, top, right, bottom;
dialog->getContentsMargins(&left, &top, &right, &bottom);
const QPoint eventPos = static_cast<QContextMenuEvent*>(event)->pos() - QPoint(left, top);
QPointF pos = dialog->graphicsWidget()->mapToScene(eventPos);
if (Applet *actual = c->d->appletAt(pos)) {
applet = actual;
}
}
KMenu desktopMenu;
c->d->addAppletActions(desktopMenu, applet, event);
if (!desktopMenu.isEmpty()) {
desktopMenu.exec(static_cast<QContextMenuEvent*>(event)->globalPos());
return true;
}
return false;
}
}
return Applet::eventFilter(watched, event);
}
//FIXME: some duplication between the drag events... maybe add some simple helper function?
void PopupApplet::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
{
if (event->mimeData()->hasFormat(ExtenderItemMimeData::mimeType())) {
const ExtenderItemMimeData *mimeData =
qobject_cast<const ExtenderItemMimeData*>(event->mimeData());
if (mimeData && qobject_cast<Extender*>(graphicsWidget())) {
event->accept();
showPopup();
}
}
}
void PopupApplet::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
{
if (event->mimeData()->hasFormat(ExtenderItemMimeData::mimeType())) {
const ExtenderItemMimeData *mimeData =
qobject_cast<const ExtenderItemMimeData*>(event->mimeData());
if (mimeData && qobject_cast<Extender*>(graphicsWidget())) {
//We want to hide the popup if we're not moving onto the popup AND it is not the popup
//we started.
if (d->dialogPtr && !d->dialogPtr.data()->geometry().contains(event->screenPos()) &&
mimeData->extenderItem()->extender() != qobject_cast<Extender*>(graphicsWidget())) {
//We actually try to hide the popup, with a call to showPopup, with a smal timeout,
//so if the user moves into the popup fast enough, it remains open (the extender
//will call showPopup which will cancel the timeout.
showPopup(250);
}
}
}
}
void PopupApplet::dropEvent(QGraphicsSceneDragDropEvent *event)
{
if (event->mimeData()->hasFormat(ExtenderItemMimeData::mimeType())) {
const ExtenderItemMimeData *mimeData =
qobject_cast<const ExtenderItemMimeData*>(event->mimeData());
if (mimeData && qobject_cast<Extender*>(graphicsWidget())) {
mimeData->extenderItem()->setExtender(extender());
QApplication::restoreOverrideCursor();
}
}
}
void PopupApplet::showPopup(uint popupDuration)
{
// use autohideTimer to store when the next show should be
if (popupDuration > 0 || d->autohideTimer) {
if (!d->autohideTimer) {
d->autohideTimer = new QTimer(this);
d->autohideTimer->setSingleShot(true);
connect(d->autohideTimer, SIGNAL(timeout()), this, SLOT(hideTimedPopup()));
}
d->autohideTimer->stop();
d->autohideTimer->setInterval(popupDuration);
}
//kDebug() << "starting delayed show, duration for popup is" << popupDuration;
d->delayedShowTimer.start(0, this);
}
void PopupApplet::timerEvent(QTimerEvent *event)
{
if (event->timerId() == d->delayedShowTimer.timerId()) {
d->delayedShowTimer.stop();
Dialog *dialog = d->dialogPtr.data();
if (dialog) {
// move the popup before its fist show, even if the show isn't triggered by
// a click, this should fix the first random position seen in some widgets
if (!dialog->isVisible()) {
d->internalTogglePopup();
}
const int popupDuration = d->autohideTimer ? d->autohideTimer->interval() : 0;
//kDebug() << "popupDuration is:" << (d->autohideTimer ? d->autohideTimer->interval() : 0);
if (popupDuration > 0) {
d->autohideTimer->start();
} else if (d->autohideTimer) {
d->autohideTimer->stop();
}
}
} else if (event->timerId() == d->showDialogTimer.timerId()) {
d->showDialogTimer.stop();
d->showDialog();
} else {
Applet::timerEvent(event);
}
}
void PopupApplet::hidePopup()
{
d->showDialogTimer.stop();
d->delayedShowTimer.stop();
Dialog *dialog = d->dialogPtr.data();
if (dialog && dialog->isVisible()) {
if (location() != Floating) {
dialog->animatedHide(locationToInverseDirection(location()));
} else {
dialog->hide();
}
}
}
void PopupApplet::togglePopup()
{
d->internalTogglePopup();
}
Plasma::PopupPlacement PopupApplet::popupPlacement() const
{
return d->popupPlacement;
}
void PopupApplet::setPopupAlignment(Qt::AlignmentFlag alignment)
{
d->popupAlignment = alignment;
}
Qt::AlignmentFlag PopupApplet::popupAlignment() const
{
return d->popupAlignment;
}
void PopupApplet::popupEvent(bool popped)
{
if (Applet::d->script) {
emit Applet::d->script->popupEvent(popped);
}
}
void PopupApplet::setPassivePopup(bool passive)
{
d->passive = passive;
}
bool PopupApplet::isPassivePopup() const
{
return d->passive;
}
bool PopupApplet::isPopupShowing() const
{
return d->dialogPtr && d->dialogPtr.data()->isVisible();
}
bool PopupApplet::isIconified() const
{
return d->dialogPtr;
}
PopupAppletPrivate::PopupAppletPrivate(PopupApplet *applet)
: q(applet),
icon(0),
widget(0),
popupPlacement(Plasma::FloatingPopup),
popupAlignment(Qt::AlignLeft),
savedAspectRatio(Plasma::InvalidAspectRatioMode),
autohideTimer(0),
preShowStatus(UnknownStatus),
popupLostFocus(false),
passive(false)
{
int iconSize = IconSize(KIconLoader::Desktop);
q->resize(iconSize, iconSize);
q->setAcceptDrops(true);
QObject::disconnect(q, SIGNAL(activate()), static_cast<Applet*>(q), SLOT(setFocus()));
QObject::connect(q, SIGNAL(activate()), q, SLOT(appletActivated()));
QObject::connect(KGlobalSettings::self(), SIGNAL(iconChanged(int)), q, SLOT(iconSizeChanged(int)));
}
PopupAppletPrivate::~PopupAppletPrivate()
{
if (proxy) {
proxy.data()->setWidget(0);
}
delete dialogPtr.data();
delete icon;
}
void PopupAppletPrivate::iconSizeChanged(int group)
{
if (icon && (group == KIconLoader::Desktop || group == KIconLoader::Panel)) {
q->updateGeometry();
}
}
void PopupAppletPrivate::internalTogglePopup(bool fromActivatedSignal)
{
if (autohideTimer) {
autohideTimer->stop();
}
delayedShowTimer.stop();
Plasma::Dialog *dialog = dialogPtr.data();
if (!dialog) {
q->setFocus(Qt::ShortcutFocusReason);
if (!fromActivatedSignal) {
QObject::disconnect(q, SIGNAL(activate()), q, SLOT(appletActivated()));
emit q->activate();
QObject::connect(q, SIGNAL(activate()), q, SLOT(appletActivated()));
}
return;
}
if (!q->view()) {
return;
}
if (dialog->isVisible()) {
if (q->location() != Floating) {
dialog->animatedHide(locationToInverseDirection(q->location()));
} else {
dialog->hide();
}
dialog->clearFocus();
} else {
if (q->graphicsWidget() &&
q->graphicsWidget() == static_cast<Applet*>(q)->d->extender.data() &&
static_cast<Applet*>(q)->d->extender.data()->isEmpty()) {
// we have nothing to show, so let's not.
if (!fromActivatedSignal) {
QObject::disconnect(q, SIGNAL(activate()), q, SLOT(appletActivated()));
emit q->activate();
QObject::connect(q, SIGNAL(activate()), q, SLOT(appletActivated()));
}
return;
}
ToolTipManager::self()->hide(q);
showDialogTimer.start(0, q);
}
}
void PopupAppletPrivate::showDialog()
{
Plasma::Dialog *dialog = dialogPtr.data();
if (!dialog) {
return;
}
updateDialogPosition();
KWindowSystem::setOnAllDesktops(dialog->winId(), true);
KWindowSystem::setState(dialog->winId(), NET::SkipTaskbar | NET::SkipPager);
if (icon) {
dialog->setAspectRatioMode(savedAspectRatio);
}
if (q->location() != Floating) {
dialog->animatedShow(locationToDirection(q->location()));
} else {
dialog->show();
}
if (!(dialog->windowFlags() & Qt::X11BypassWindowManagerHint)) {
KWindowSystem::activateWindow(dialog->winId());
}
}
void PopupAppletPrivate::hideTimedPopup()
{
autohideTimer->stop();
q->hidePopup();
}
void PopupAppletPrivate::clearPopupLostFocus()
{
if (!icon || !icon->isDown()) {
q->hidePopup();
}
popupLostFocus = false;
}
KConfigGroup PopupAppletPrivate::popupConfigGroup()
{
KConfigGroup *mainGroup = static_cast<Applet*>(q)->d->mainConfigGroup();
return KConfigGroup(mainGroup, "PopupApplet");
}
void PopupAppletPrivate::dialogSizeChanged()
{
//Reposition the dialog
Plasma::Dialog *dialog = dialogPtr.data();
if (dialog) {
KConfigGroup sizeGroup = popupConfigGroup();
sizeGroup.writeEntry("DialogHeight", dialog->height());
sizeGroup.writeEntry("DialogWidth", dialog->width());
updateDialogPosition(!dialog->isUserResizing());
emit q->configNeedsSaving();
emit q->appletTransformedByUser();
}
}
void PopupAppletPrivate::dialogStatusChanged(bool shown)
{
if (shown) {
preShowStatus = q->status();
q->setStatus(NeedsAttentionStatus);
QObject::connect(q, SIGNAL(newStatus(Plasma::ItemStatus)),
q, SLOT(statusChangeWhileShown(Plasma::ItemStatus)),
Qt::UniqueConnection);
} else {
QObject::disconnect(q, SIGNAL(newStatus(Plasma::ItemStatus)),
q, SLOT(statusChangeWhileShown(Plasma::ItemStatus)));
q->setStatus(preShowStatus);
}
q->popupEvent(shown);
}
void PopupAppletPrivate::statusChangeWhileShown(Plasma::ItemStatus status)
{
preShowStatus = status;
}
void PopupAppletPrivate::createIconWidget()
{
if (icon) {
return;
}
icon = new Plasma::IconWidget(q);
QObject::connect(icon, SIGNAL(clicked()), q, SLOT(internalTogglePopup()));
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout();
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(0);
layout->setOrientation(Qt::Horizontal);
layout->addItem(icon);
layout->setAlignment(icon, Qt::AlignCenter);
q->setLayout(layout);
}
void PopupAppletPrivate::restoreDialogSize()
{
Plasma::Dialog *dialog = dialogPtr.data();
if (!dialog) {
return;
}
Corona *corona = qobject_cast<Corona *>(q->scene());
if (!corona) {
return;
}
KConfigGroup sizeGroup = popupConfigGroup();
int preferredWidth = 0;
int preferredHeight = 0;
QGraphicsWidget *gWidget = dialog->graphicsWidget();
if (gWidget) {
preferredWidth = gWidget->preferredSize().width();
preferredHeight = gWidget->preferredSize().height();
}
const int width = qMin(sizeGroup.readEntry("DialogWidth", preferredWidth),
corona->screenGeometry(-1).width() - 50);
const int height = qMin(sizeGroup.readEntry("DialogHeight", preferredHeight),
corona->screenGeometry(-1).height() - 50);
QSize saved(width, height);
if (saved.isNull()) {
saved = dialog->sizeHint();
} else {
saved = saved.expandedTo(dialog->minimumSizeHint());
}
if (saved.width() != dialog->width() || saved.height() != dialog->height()) {
dialog->resize(saved);
/*if (gWidget) {
gWidget->resize(saved);
}*/
}
}
void PopupAppletPrivate::updateDialogPosition(bool move)
{
Plasma::Dialog *dialog = dialogPtr.data();
if (!dialog) {
return;
}
Corona *corona = qobject_cast<Corona *>(q->scene());
if (!corona) {
return;
}
QGraphicsView *view = q->view();
if (!view) {
return;
}
const QPoint appletPos = view->mapToGlobal(view->mapFromScene(q->scenePos()));
QPoint dialogPos = dialog->pos();
if (move) {
if (!q->containment() || view == q->containment()->view()) {
dialogPos = corona->popupPosition(q, dialog->size(), popupAlignment);
} else {
dialogPos = corona->popupPosition(q->parentItem(), dialog->size(), popupAlignment);
}
}
bool reverse = false;
if (q->formFactor() == Plasma::Vertical) {
reverse = (appletPos.y() + (q->size().height() / 2)) < (dialogPos.y() + (dialog->size().height() / 2));
dialog->setMinimumResizeLimits(-1, appletPos.y(), -1, appletPos.y() + q->size().height());
} else {
reverse = (appletPos.x() + (q->size().width() / 2)) < (dialogPos.x() + (dialog->size().width() / 2));
dialog->setMinimumResizeLimits(appletPos.x(), -1, appletPos.x() + q->size().width(), -1);
}
Dialog::ResizeCorners resizeCorners = Dialog::NoCorner;
switch (q->location()) {
case BottomEdge:
resizeCorners = Dialog::NorthEast | Dialog::NorthWest;
popupPlacement = reverse ? TopPosedLeftAlignedPopup : TopPosedRightAlignedPopup;
break;
case TopEdge:
resizeCorners = Dialog::SouthEast | Dialog::SouthWest;
popupPlacement = reverse ? Plasma::BottomPosedLeftAlignedPopup : Plasma::BottomPosedRightAlignedPopup;
break;
case LeftEdge:
resizeCorners = Dialog::SouthEast | Dialog::NorthEast;
popupPlacement = reverse ? RightPosedTopAlignedPopup : RightPosedBottomAlignedPopup;
break;
case RightEdge:
resizeCorners = Dialog::SouthWest | Dialog::NorthWest;
popupPlacement = reverse ? LeftPosedTopAlignedPopup : LeftPosedBottomAlignedPopup;
break;
default:
popupPlacement = FloatingPopup;
resizeCorners = Dialog::All;
break;
}
dialog->setResizeHandleCorners(resizeCorners);
if (move) {
dialog->move(dialogPos);
}
}
} // Plasma namespace
#include "popupapplet.moc"