1229 lines
36 KiB
C++
1229 lines
36 KiB
C++
/*
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* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2007 by Riccardo Iaconelli <riccardo@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 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 "applet.h"
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#include <cmath>
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#include <limits>
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#include <QApplication>
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#include <QEvent>
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#include <QFile>
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#include <QList>
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#include <QPainter>
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#include <QSize>
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#include <QStyleOptionGraphicsItem>
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#include <QTextDocument>
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#include <QTimer>
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#include <QUiLoader>
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#include <KIcon>
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#include <KColorScheme>
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#include <KConfigDialog>
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#include <KDialog>
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#include <KPluginInfo>
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#include <KStandardDirs>
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#include <KService>
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#include <KServiceTypeTrader>
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#include <KIconLoader>
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#include "plasma/configxml.h"
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#include "plasma/containment.h"
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#include "plasma/corona.h"
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#include "plasma/dataenginemanager.h"
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#include "plasma/package.h"
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#include "plasma/packages_p.h"
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#include "plasma/plasma.h"
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#include "plasma/scriptengine.h"
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#include "plasma/shadowitem_p.h"
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#include "plasma/svg.h"
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#include "plasma/theme.h"
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#include "plasma/view.h"
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#include "plasma/layouts/boxlayout.h"
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#include "plasma/widgets/widget.h"
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#include "plasma/widgets/lineedit.h"
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#include "plasma/widgets/pushbutton.h"
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//#define DYNAMIC_SHADOWS
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namespace Plasma
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{
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class Applet::Private
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{
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public:
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Private(KService::Ptr service, int uniqueID)
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: appletId(uniqueID),
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appletDescription(service),
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package(0),
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background(0),
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failureText(0),
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scriptEngine(0),
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configXml(0),
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shadow(0),
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cachedBackground(0),
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pendingConstraints(NoConstraint),
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kioskImmutable(false),
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immutable(false),
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hasConfigurationInterface(false),
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failed(false),
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needsConfig(false),
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isContainment(false)
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{
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if (appletId == 0) {
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appletId = nextId();
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}
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if (appletId > s_maxAppletId) {
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s_maxAppletId = appletId;
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}
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}
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~Private()
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{
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foreach ( const QString& engine, loadedEngines ) {
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DataEngineManager::self()->unloadDataEngine( engine );
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}
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delete background;
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delete package;
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delete configXml;
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delete shadow;
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delete cachedBackground;
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}
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void init(Applet* applet)
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{
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applet->setAcceptsHoverEvents(true);
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applet->setZValue(100);
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kioskImmutable = applet->globalConfig().isImmutable() ||
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applet->config().isImmutable();
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applet->setImmutable(kioskImmutable);
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if (!appletDescription.isValid()) {
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applet->setFailedToLaunch(true);
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return;
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}
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QString language = appletDescription.property("X-Plasma-Language").toString();
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// we have a scripted plasmoid
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if (!language.isEmpty()) {
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// find where the Package is
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QString path = KStandardDirs::locate("appdata",
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"plasmoids/" +
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appletDescription.pluginName());
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if (!path.isEmpty()) {
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// create the package and see if we have something real
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package = new Package(path,
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appletDescription.pluginName(),
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PlasmoidStructure());
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if (package->isValid()) {
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// now we try and set up the script engine.
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// it will be parented to this applet and so will get
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// deleted when the applet does
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scriptEngine = ScriptEngine::load(language, applet);
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if (!scriptEngine) {
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delete package;
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package = 0;
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}
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} else {
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delete package;
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package = 0;
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}
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if (!package) {
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applet->setFailedToLaunch(true);
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} else {
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setupScriptSupport(applet);
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}
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}
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}
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applet->setDrawStandardBackground(true);
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}
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// put all setup routines for script here. at this point we can assume that
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// package exists and that we have a script engin
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void setupScriptSupport(Applet* applet)
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{
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Q_ASSERT(package);
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QString xmlPath = package->filePath("mainconfigxml");
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if (!xmlPath.isEmpty()) {
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QFile file(xmlPath);
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// FIXME: KConfigSkeleton doesn't play well with KConfigGroup =/
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KConfigGroup config = applet->config();
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configXml = new ConfigXml(&config, &file);
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}
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if (!package->filePath("mainconfigui").isEmpty()) {
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applet->setHasConfigurationInterface(true);
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}
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}
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void paintBackground(QPainter* p2, Applet* q, QRectF paintRect)
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{
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if (q->formFactor() != Plasma::Planar) {
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// we don't paint special backgrounds for other form factors
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// if that changes in the future, this method is where such
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// background painting code should be added
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return;
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}
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// TODO: caching these values might be an idea
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const int topHeight = background->elementSize("top").height();
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const int leftWidth = background->elementSize("left").width();
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const int topOffset = 0 - topHeight;
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const int leftOffset = 0 - leftWidth;
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if (!cachedBackground || cachedBackground->size() != q->boundingRect().toRect().size()) {
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QSize contents = contentSize(q).toSize();
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const int contentWidth = contents.width();
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const int contentHeight = contents.height();
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background->resize();
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const int topWidth = background->elementSize("top").width();
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const int leftHeight = background->elementSize("left").height();
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const int rightWidth = background->elementSize("right").width();
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const int bottomHeight = background->elementSize("bottom").height();
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// contents top-left corner is (0,0). We need to draw up and left of that
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const int rightOffset = contentWidth;
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const int bottomOffset = contentHeight;
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const int contentTop = 0;
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const int contentLeft = 0;
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delete cachedBackground;
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cachedBackground = new QPixmap(leftWidth + contentWidth + rightWidth, topHeight + contentHeight + bottomHeight);
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cachedBackground->fill(Qt::transparent);
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QPainter p(cachedBackground);
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p.translate(leftWidth, topHeight);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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p.setRenderHint(QPainter::SmoothPixmapTransform);
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//FIXME: This is a hack to fix a drawing problems with svg files where a thin transparent border is drawn around the svg image.
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// the transparent border around the svg seems to vary in size depending on the size of the svg and as a result increasing the
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// svn image by 2 all around didn't resolve the issue. For now it resizes based on the border size.
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background->resize(contentWidth, contentHeight);
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background->paint(&p, QRect(contentLeft-leftWidth, contentTop-topHeight, contentWidth+leftWidth*2, contentHeight+topHeight*2), "center");
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background->resize();
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background->paint(&p, QRect(leftOffset, topOffset, leftWidth, topHeight), "topleft");
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background->paint(&p, QRect(rightOffset, topOffset,rightWidth, topHeight), "topright");
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background->paint(&p, QRect(leftOffset, bottomOffset, leftWidth, bottomHeight), "bottomleft");
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background->paint(&p, QRect(rightOffset, bottomOffset, rightWidth, bottomHeight), "bottomright");
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if (background->elementExists("hint-stretch-borders")) {
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background->paint(&p, QRect(leftOffset, contentTop, leftWidth, contentHeight), "left");
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background->paint(&p, QRect(rightOffset, contentTop, rightWidth, contentHeight), "right");
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background->paint(&p, QRect(contentLeft, topOffset, contentWidth, topHeight), "top");
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background->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), "bottom");
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} else {
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QPixmap left(leftWidth, leftHeight);
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left.fill(Qt::transparent);
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{
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QPainter sidePainter(&left);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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background->paint(&sidePainter, QPoint(0, 0), "left");
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}
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p.drawTiledPixmap(QRect(leftOffset, contentTop, leftWidth, contentHeight), left);
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QPixmap right(rightWidth, leftHeight);
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right.fill(Qt::transparent);
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{
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QPainter sidePainter(&right);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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background->paint(&sidePainter, QPoint(0, 0), "right");
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}
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p.drawTiledPixmap(QRect(rightOffset, contentTop, rightWidth, contentHeight), right);
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QPixmap top(topWidth, topHeight);
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top.fill(Qt::transparent);
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{
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QPainter sidePainter(&top);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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background->paint(&sidePainter, QPoint(0, 0), "top");
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}
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p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth, topHeight), top);
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QPixmap bottom(topWidth, bottomHeight);
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bottom.fill(Qt::transparent);
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{
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QPainter sidePainter(&bottom);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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background->paint(&sidePainter, QPoint(0, 0), "bottom");
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}
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p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), bottom);
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}
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// re-enable this once Qt's svg rendering is un-buggered
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//background->resize(contentWidth, contentHeight);
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//background->paint(&p, QRect(contentLeft, contentTop, contentWidth, contentHeight), "center");
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}
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p2->drawPixmap(paintRect, *cachedBackground, paintRect.translated(-leftOffset,-topOffset));
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}
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QSizeF contentSize(const Applet* q)
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{
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if (scriptEngine) {
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return scriptEngine->size();
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}
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if (failureText) {
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return failureText->geometry().size();
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}
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return q->contentSize();
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}
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static uint nextId()
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{
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++s_maxAppletId;
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return s_maxAppletId;
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}
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QString instanceName()
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{
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if (!appletDescription.isValid()) {
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return QString();
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}
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return appletDescription.service()->library() + QString::number(appletId);
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}
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void getBorderSize(int& left , int& top, int &right, int& bottom)
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{
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if (background) {
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top = background->elementSize("top").height();
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left = background->elementSize("left").width();
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right = background->elementSize("right").width();
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bottom = background->elementSize("bottom").height();
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} else {
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top = left = right = bottom = 0;
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}
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}
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void scheduleConstraintsUpdate(Plasma::Constraints c, Applet* applet)
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{
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if (pendingConstraints == NoConstraint) {
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QTimer::singleShot(0, applet, SLOT(flushUpdatedConstraints()));
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}
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pendingConstraints |= c;
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}
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KConfigGroup mainConfigGroup(const Applet* q)
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{
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KConfigGroup appletConfig;
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if (q->containment()) {
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appletConfig = q->containment()->config();
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appletConfig = KConfigGroup(&appletConfig, "Applets");
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} else {
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kWarning() << "requesting config for" << q->name() << "without a containment!";
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appletConfig = KConfigGroup(KGlobal::config(), "Applets");
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}
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return KConfigGroup(&appletConfig, QString::number(appletId));
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}
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//TODO: examine the usage of memory here; there's a pretty large
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// number of members at this point.
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uint appletId;
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KPluginInfo appletDescription;
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Package* package;
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QList<QObject*> watchedForFocus;
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QStringList loadedEngines;
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static uint s_maxAppletId;
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Plasma::Svg *background;
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Plasma::LineEdit *failureText;
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ScriptEngine* scriptEngine;
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ConfigXml* configXml;
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ShadowItem* shadow;
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QPixmap* cachedBackground;
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Plasma::Constraints pendingConstraints;
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bool kioskImmutable : 1;
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bool immutable : 1;
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bool hasConfigurationInterface : 1;
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bool failed : 1;
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bool needsConfig : 1;
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bool isContainment : 1;
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};
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uint Applet::Private::s_maxAppletId = 0;
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Applet::Applet(QGraphicsItem *parent,
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const QString& serviceID,
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uint appletId)
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: Widget(parent),
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d(new Private(KService::serviceByStorageId(serviceID), appletId))
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{
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d->init(this);
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}
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Applet::Applet(QObject* parentObject, const QVariantList& args)
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: Widget(0,parentObject),
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d(new Private(KService::serviceByStorageId(args.count() > 0 ? args[0].toString() : QString()),
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args.count() > 1 ? args[1].toInt() : 0))
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{
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d->init(this);
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// the brain damage seen in the initialization list is due to the
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// inflexibility of KService::createInstance
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}
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Applet::~Applet()
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{
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needsFocus(false);
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delete d;
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}
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void Applet::init()
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{
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}
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uint Applet::id() const
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{
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return d->appletId;
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}
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void Applet::save(KConfigGroup* group) const
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{
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group->writeEntry("plugin", pluginName());
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//FIXME: for containments, we need to have some special values here w/regards to
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// screen affinity (e.g. "bottom of screen 0")
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//kDebug() << pluginName() << "geometry is" << geometry() << "pos is" << pos() << "bounding rect is" << boundingRect();
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group->writeEntry("geometry", geometry());
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if (transform() == QTransform()) {
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group->deleteEntry("transform");
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} else {
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QList<qreal> m;
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QTransform t = transform();
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m << t.m11() << t.m12() << t.m13() << t.m21() << t.m22() << t.m23() << t.m31() << t.m32() << t.m33();
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group->writeEntry("transform", m);
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//group->writeEntry("transform", transformToString(transform()));
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}
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KConfigGroup appletConfigGroup(group, "Configuration");
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saveState(&appletConfigGroup);
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}
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void Applet::saveState(KConfigGroup* group) const
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{
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Q_UNUSED(group)
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}
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KConfigGroup Applet::config(const QString &group) const
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{
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KConfigGroup cg = config();
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return KConfigGroup(&cg, group);
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}
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KConfigGroup Applet::config() const
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{
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if (d->isContainment) {
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const Containment *asContainment = qobject_cast<Containment*>(const_cast<Applet*>(this));
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Q_ASSERT(asContainment);
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KConfigGroup containmentConfig;
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if (asContainment->corona()) {
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containmentConfig = KConfigGroup(asContainment->corona()->config(), "Containments");
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} else {
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containmentConfig = KConfigGroup(KGlobal::config(), "Containments");
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}
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containmentConfig = KConfigGroup(&containmentConfig, QString::number(d->appletId));
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return containmentConfig;
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}
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KConfigGroup appletConfig = d->mainConfigGroup(this);
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return KConfigGroup(&appletConfig, "Configuration");
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}
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KConfigGroup Applet::globalConfig() const
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{
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KConfigGroup globalAppletConfig;
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if (containment() && containment()->corona()) {
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KSharedConfig::Ptr coronaConfig = containment()->corona()->config();
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globalAppletConfig = KConfigGroup(coronaConfig, "AppletGlobals");
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} else {
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globalAppletConfig = KConfigGroup(KGlobal::config(), "AppletGlobals");
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}
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return KConfigGroup(&globalAppletConfig, globalName());
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}
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void Applet::destroy()
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{
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//kDebug() << "???????????????? DESTROYING APPLET" << name() << " ???????????????????????????";
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if (d->configXml) {
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d->configXml->setDefaults();
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}
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d->mainConfigGroup(this).deleteGroup();
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deleteLater();
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}
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ConfigXml* Applet::configXml() const
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{
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return d->configXml;
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}
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DataEngine* Applet::dataEngine(const QString& name) const
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{
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int index = d->loadedEngines.indexOf(name);
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if (index != -1) {
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return DataEngineManager::self()->dataEngine(name);
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}
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DataEngine* engine = DataEngineManager::self()->loadDataEngine(name);
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if (engine->isValid()) {
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d->loadedEngines.append(name);
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}
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return engine;
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}
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const Package* Applet::package() const
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{
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return d->package;
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}
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void Applet::updateConstraints(Plasma::Constraints constraints)
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{
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d->scheduleConstraintsUpdate(constraints, this);
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}
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void Applet::constraintsUpdated(Plasma::Constraints constraints)
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{
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Q_UNUSED(constraints)
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//kDebug() << constraints << "constraints are FormFactor: " << formFactor() << ", Location: " << location();
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}
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QString Applet::name() const
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{
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if (!d->appletDescription.isValid()) {
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return i18n("Unknown Applet");
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}
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return d->appletDescription.name();
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}
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QString Applet::icon() const
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{
|
|
if (!d->appletDescription.isValid()) {
|
|
return QString();
|
|
}
|
|
|
|
return d->appletDescription.icon();
|
|
}
|
|
|
|
QString Applet::pluginName() const
|
|
{
|
|
if (!d->appletDescription.isValid()) {
|
|
return QString();
|
|
}
|
|
|
|
return d->appletDescription.pluginName();
|
|
}
|
|
|
|
QString Applet::category() const
|
|
{
|
|
if (!d->appletDescription.isValid()) {
|
|
return i18n("Miscellaneous");
|
|
}
|
|
|
|
return d->appletDescription.category();
|
|
}
|
|
|
|
QString Applet::category(const KPluginInfo& applet)
|
|
{
|
|
return applet.property("X-KDE-PluginInfo-Category").toString();
|
|
}
|
|
|
|
QString Applet::category(const QString& appletName)
|
|
{
|
|
if (appletName.isEmpty()) {
|
|
return QString();
|
|
}
|
|
|
|
QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(appletName);
|
|
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
|
|
|
|
if (offers.isEmpty()) {
|
|
return QString();
|
|
}
|
|
|
|
return offers.first()->property("X-KDE-PluginInfo-Category").toString();
|
|
}
|
|
|
|
bool Applet::isImmutable() const
|
|
{
|
|
return d->immutable || d->kioskImmutable;
|
|
}
|
|
|
|
void Applet::setImmutable(bool immutable)
|
|
{
|
|
d->immutable = immutable;
|
|
}
|
|
|
|
bool Applet::drawStandardBackground()
|
|
{
|
|
return d->background != 0;
|
|
}
|
|
|
|
void Applet::setDrawStandardBackground(bool drawBackground)
|
|
{
|
|
if (drawBackground) {
|
|
if (!d->background) {
|
|
d->background = new Plasma::Svg("widgets/background");
|
|
updateGeometry();
|
|
}
|
|
} else if (d->background) {
|
|
delete d->background;
|
|
d->background = 0;
|
|
updateGeometry();
|
|
}
|
|
}
|
|
|
|
bool Applet::failedToLaunch() const
|
|
{
|
|
return d->failed;
|
|
}
|
|
|
|
QString visibleFailureText(const QString& reason)
|
|
{
|
|
QString text;
|
|
|
|
if (reason.isEmpty()) {
|
|
text = i18n("This object could not be created.");
|
|
} else {
|
|
text = i18n("This object could not be created for the following reason:<p><b>%1</b></p>", reason);
|
|
}
|
|
|
|
return text;
|
|
}
|
|
|
|
void Applet::setFailedToLaunch(bool failed, const QString& reason)
|
|
{
|
|
if (d->failed == failed) {
|
|
if (d->failureText) {
|
|
d->failureText->setHtml(visibleFailureText(reason));
|
|
setGeometry(QRectF(geometry().topLeft(), d->failureText->sizeHint()));
|
|
}
|
|
return;
|
|
}
|
|
|
|
d->failed = failed;
|
|
prepareGeometryChange();
|
|
qDeleteAll(QGraphicsItem::children());
|
|
delete layout();
|
|
|
|
if (failed) {
|
|
setDrawStandardBackground(true);
|
|
Layout* failureLayout = new BoxLayout(BoxLayout::TopToBottom, this);
|
|
failureLayout->setMargin(0);
|
|
d->failureText = new LineEdit(this);
|
|
d->failureText->setStyled(false);
|
|
d->failureText->document()->setTextWidth(200);
|
|
d->failureText->setHtml(visibleFailureText(reason));
|
|
//FIXME: this needs to get the colour from the theme's colour scheme
|
|
d->failureText->setDefaultTextColor(KStatefulBrush(KColorScheme::Window,
|
|
KColorScheme::NormalText,
|
|
Theme::self()->colors())
|
|
.brush(QPalette::Normal).color());
|
|
failureLayout->addItem(d->failureText);
|
|
setGeometry(QRectF(geometry().topLeft(), d->failureText->sizeHint()));
|
|
} else {
|
|
d->failureText = 0;
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
bool Applet::needsConfiguring() const
|
|
{
|
|
return d->needsConfig;
|
|
}
|
|
|
|
void Applet::setNeedsConfiguring(bool needsConfig)
|
|
{
|
|
if (d->needsConfig == needsConfig) {
|
|
return;
|
|
}
|
|
|
|
d->needsConfig = needsConfig;
|
|
prepareGeometryChange();
|
|
qDeleteAll(QGraphicsItem::children());
|
|
delete layout();
|
|
|
|
if (needsConfig) {
|
|
setDrawStandardBackground(true);
|
|
Layout* layout = new BoxLayout(BoxLayout::TopToBottom,this);
|
|
PushButton* button = new PushButton(this);
|
|
button->setText(i18n("Configure..."));
|
|
connect(button, SIGNAL(clicked()), this, SLOT(performSetupConfig()));
|
|
layout->addItem(button);
|
|
}
|
|
}
|
|
|
|
void Applet::performSetupConfig()
|
|
{
|
|
qDeleteAll(QGraphicsItem::children());
|
|
delete layout();
|
|
showConfigurationInterface();
|
|
}
|
|
|
|
void Applet::flushUpdatedConstraints()
|
|
{
|
|
if (d->pendingConstraints == NoConstraint) {
|
|
return;
|
|
}
|
|
|
|
//kDebug() << "fushing constraints: " << d->pendingConstraints << "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
|
|
Plasma::Constraints c = d->pendingConstraints;
|
|
d->pendingConstraints = NoConstraint;
|
|
|
|
Containment* containment = qobject_cast<Plasma::Containment*>(this);
|
|
if (c & Plasma::FormFactorConstraint) {
|
|
FormFactor f = formFactor();
|
|
setShadowShown(f == Planar);
|
|
setDrawStandardBackground(!containment && f != Vertical && f != Horizontal);
|
|
}
|
|
|
|
if (isContainment() && containment) {
|
|
containment->containmentConstraintsUpdated(c);
|
|
}
|
|
|
|
constraintsUpdated(c);
|
|
|
|
if (layout()) {
|
|
layout()->updateGeometry();
|
|
}
|
|
}
|
|
|
|
int Applet::type() const
|
|
{
|
|
return Type;
|
|
}
|
|
|
|
QRectF Applet::boundingRect() const
|
|
{
|
|
QRectF rect = QRectF(QPointF(0,0), d->contentSize(this));
|
|
|
|
int left;
|
|
int right;
|
|
int top;
|
|
int bottom;
|
|
|
|
d->getBorderSize(left,top,right,bottom);
|
|
|
|
|
|
//kDebug() << "Background , Border size" << d->background << left << top << right << bottom;
|
|
|
|
return rect.adjusted(-left,-top,right,bottom);
|
|
}
|
|
|
|
QSizeF Applet::sizeHint() const
|
|
{
|
|
int left = 0;
|
|
int right = 0;
|
|
int top = 0;
|
|
int bottom = 0;
|
|
|
|
d->getBorderSize(left, top, right, bottom);
|
|
QSizeF borderSize = QSizeF(left + right, top + bottom);
|
|
|
|
//kDebug() << "Applet content size hint: " << contentSizeHint() << "plus our borders" << left << right << top << bottom;
|
|
|
|
return contentSizeHint() + QSizeF(left + right, top + bottom);
|
|
}
|
|
|
|
QList<QAction*> Applet::contextActions()
|
|
{
|
|
kDebug() << "empty actions";
|
|
return QList<QAction*>();
|
|
}
|
|
|
|
QColor Applet::color() const
|
|
{
|
|
// TODO: add more colors for more categories and
|
|
// maybe read from config?
|
|
QString c = category();
|
|
int alpha = 200;
|
|
// Colors taken from Oxygen color palette
|
|
if (c == "Date and Time") {
|
|
return QColor(191, 94, 0, alpha);
|
|
} else if (c == "Environment & Weather") {
|
|
return QColor(191, 0, 0, alpha);
|
|
} else if (c == "Examples") {
|
|
return QColor(204, 0, 154, alpha);
|
|
} else if (c == "File System") {
|
|
return QColor(90, 0, 179, alpha);
|
|
} else if (c == "Graphics") {
|
|
return QColor(0, 0, 255, alpha);
|
|
} else if (c == "Language") {
|
|
return QColor(0, 191, 0, alpha);
|
|
} else if (c == "Mapping") {
|
|
return QColor(191, 245, 0, alpha);
|
|
} else if (c == "Online Services") {
|
|
return QColor(255, 213, 0, alpha);
|
|
} else if (c == "System Information") {
|
|
return QColor(0, 196, 204, alpha);
|
|
} else if (c == "Windows and Tasks") {
|
|
return QColor(255, 126, 0, alpha);
|
|
} else {
|
|
return QColor(136, 136, 136, alpha);
|
|
}
|
|
}
|
|
|
|
void Applet::paintWidget(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
Q_UNUSED(widget)
|
|
if (d->shadow && d->shadow->shadowedSize() != boundingRect().size()) {
|
|
//kDebug() << "sizes are " << d->shadow->shadowedSize() << boundingRect().size();
|
|
d->shadow->generate();
|
|
}
|
|
|
|
painter->save();
|
|
if (transform().isRotating()) {
|
|
painter->setRenderHint(QPainter::SmoothPixmapTransform);
|
|
painter->setRenderHint(QPainter::Antialiasing);
|
|
}
|
|
|
|
if (d->background) {
|
|
//kDebug() << "option rect is" << option->rect;
|
|
d->paintBackground(painter, this, option->rect);
|
|
}
|
|
|
|
if (!d->failed && !d->needsConfig) {
|
|
if (widget && isContainment()) {
|
|
// note that the widget we get is actually the viewport of the view, not the view itself
|
|
View* v = qobject_cast<Plasma::View*>(widget->parent());
|
|
if (v && !v->drawWallpaper()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
paintInterface(painter, option, QRect(QPoint(0,0), d->contentSize(this).toSize()));
|
|
}
|
|
|
|
painter->restore();
|
|
}
|
|
|
|
void Applet::paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option,
|
|
const QRect & contentsRect)
|
|
{
|
|
Q_UNUSED(contentsRect)
|
|
|
|
if (d->scriptEngine) {
|
|
d->scriptEngine->paintInterface(painter, option);
|
|
} else {
|
|
//kDebug() << "Applet::paintInterface() default impl";
|
|
}
|
|
}
|
|
|
|
FormFactor Applet::formFactor() const
|
|
{
|
|
Containment* c = containment();
|
|
|
|
if (!c) {
|
|
return Plasma::Planar;
|
|
}
|
|
|
|
return c->formFactor();
|
|
}
|
|
|
|
Containment* Applet::containment() const
|
|
{
|
|
QGraphicsItem *parent = parentItem();
|
|
while (parent) {
|
|
if (dynamic_cast<Containment*>(parent)) {
|
|
break;
|
|
}
|
|
parent = parent->parentItem();
|
|
}
|
|
return dynamic_cast<Containment*>(parent);
|
|
}
|
|
|
|
Location Applet::location() const
|
|
{
|
|
Containment* c = containment();
|
|
|
|
if (!c) {
|
|
return Plasma::Desktop;
|
|
}
|
|
|
|
return c->location();
|
|
}
|
|
|
|
QSizeF Applet::contentSize() const
|
|
{
|
|
int top , left , right , bottom;
|
|
d->getBorderSize(left,top,right,bottom);
|
|
|
|
// kDebug() << "Geometry size: " << geometry().size();
|
|
// kDebug() << "Borders: " << left << top << right << bottom;
|
|
|
|
return geometry().size() - QSizeF(left+right,top+bottom);
|
|
}
|
|
|
|
QSizeF Applet::contentSizeHint() const
|
|
{
|
|
if (layout()) {
|
|
return layout()->sizeHint();
|
|
}
|
|
|
|
return contentSize();
|
|
}
|
|
|
|
QString Applet::globalName() const
|
|
{
|
|
if (!d->appletDescription.isValid()) {
|
|
return QString();
|
|
}
|
|
|
|
return d->appletDescription.service()->library();
|
|
}
|
|
|
|
QString Applet::instanceName() const
|
|
{
|
|
return d->instanceName();
|
|
}
|
|
|
|
void Applet::watchForFocus(QObject *widget, bool watch)
|
|
{
|
|
if ( !widget ) {
|
|
return;
|
|
}
|
|
|
|
int index = d->watchedForFocus.indexOf(widget);
|
|
if ( watch ) {
|
|
if ( index == -1 ) {
|
|
d->watchedForFocus.append( widget );
|
|
widget->installEventFilter( this );
|
|
}
|
|
} else if ( index != -1 ) {
|
|
d->watchedForFocus.removeAt( index );
|
|
widget->removeEventFilter( this );
|
|
}
|
|
}
|
|
|
|
void Applet::needsFocus(bool focus)
|
|
{
|
|
if (focus == QGraphicsItem::hasFocus()) {
|
|
return;
|
|
}
|
|
|
|
emit requestFocus(focus);
|
|
}
|
|
|
|
bool Applet::hasConfigurationInterface()
|
|
{
|
|
return d->hasConfigurationInterface;
|
|
}
|
|
|
|
void Applet::setHasConfigurationInterface(bool hasInterface)
|
|
{
|
|
d->hasConfigurationInterface = hasInterface;
|
|
}
|
|
|
|
bool Applet::eventFilter( QObject *o, QEvent * e )
|
|
{
|
|
if ( !d->watchedForFocus.contains( o ) )
|
|
{
|
|
if ( e->type() == QEvent::MouseButtonRelease ||
|
|
e->type() == QEvent::FocusIn ) {
|
|
needsFocus( true );
|
|
} else if ( e->type() == QEvent::FocusOut ) {
|
|
needsFocus( false );
|
|
}
|
|
}
|
|
|
|
return QObject::eventFilter(o, e);
|
|
}
|
|
|
|
void Applet::showConfigurationInterface()
|
|
{
|
|
if (d->package && d->configXml) {
|
|
QString uiFile = d->package->filePath("mainconfigui");
|
|
if (uiFile.isEmpty()) {
|
|
return;
|
|
}
|
|
|
|
KConfigDialog *dialog = new KConfigDialog(0, "", d->configXml);
|
|
dialog->setWindowTitle(i18n("%1 Settings", name()));
|
|
dialog->setAttribute(Qt::WA_DeleteOnClose, true);
|
|
|
|
QUiLoader loader;
|
|
QString filename = d->package->filePath("mainconfigui");
|
|
QFile f(filename);
|
|
if (!f.open(QIODevice::ReadOnly)) {
|
|
delete dialog;
|
|
return;
|
|
}
|
|
|
|
QWidget *w = loader.load(&f);
|
|
f.close();
|
|
|
|
dialog->addPage(w, i18n("Settings"), icon(), i18n("%1 Settings", name()));
|
|
dialog->show();
|
|
}
|
|
}
|
|
|
|
KPluginInfo::List Applet::knownApplets(const QString &category,
|
|
const QString &parentApp)
|
|
{
|
|
QString constraint;
|
|
|
|
if (parentApp.isEmpty()) {
|
|
constraint.append("not exist [X-KDE-ParentApp]");
|
|
} else {
|
|
constraint.append("[X-KDE-ParentApp] == '").append(parentApp).append("'");
|
|
}
|
|
|
|
if (!category.isEmpty()) {
|
|
if (!constraint.isEmpty()) {
|
|
constraint.append(" and ");
|
|
}
|
|
|
|
constraint.append("[X-KDE-PluginInfo-Category] == '").append(category).append("'");
|
|
if (category == "Miscellaneous") {
|
|
constraint.append(" or (not exist [X-KDE-PluginInfo-Category] or [X-KDE-PluginInfo-Category] == '')");
|
|
}
|
|
}
|
|
|
|
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
|
|
//kDebug() << "Applet::knownApplets constraint was '" << constraint << "' which got us " << offers.count() << " matches";
|
|
return KPluginInfo::fromServices(offers);
|
|
}
|
|
|
|
KPluginInfo::List Applet::knownAppletsForMimetype(const QString &mimetype)
|
|
{
|
|
QString constraint = QString("'%1' in MimeTypes").arg(mimetype);
|
|
//kDebug() << "knownAppletsForMimetype with" << mimetype << constraint;
|
|
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
|
|
return KPluginInfo::fromServices(offers);
|
|
}
|
|
|
|
QStringList Applet::knownCategories(const QString &parentApp, bool visibleOnly)
|
|
{
|
|
QString constraint = "exist [X-KDE-PluginInfo-Category]";
|
|
|
|
if (parentApp.isEmpty()) {
|
|
constraint.append(" and not exist [X-KDE-ParentApp]");
|
|
} else {
|
|
constraint.append(" and [X-KDE-ParentApp] == '").append(parentApp).append("'");
|
|
}
|
|
|
|
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
|
|
QStringList categories;
|
|
foreach (const KService::Ptr applet, offers) {
|
|
QString appletCategory = applet->property("X-KDE-PluginInfo-Category").toString();
|
|
if (visibleOnly && applet->noDisplay()) {
|
|
// we don't want to show the hidden category
|
|
continue;
|
|
}
|
|
|
|
//kDebug() << " and we have " << appletCategory;
|
|
if (appletCategory.isEmpty()) {
|
|
if (!categories.contains(i18n("Miscellaneous"))) {
|
|
categories << i18n("Miscellaneous");
|
|
}
|
|
} else if (!categories.contains(appletCategory)) {
|
|
categories << appletCategory;
|
|
}
|
|
}
|
|
|
|
categories.sort();
|
|
return categories;
|
|
}
|
|
|
|
Applet* Applet::loadApplet(const QString& appletName, uint appletId, const QVariantList& args)
|
|
{
|
|
if (appletName.isEmpty()) {
|
|
return 0;
|
|
}
|
|
|
|
QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(appletName);
|
|
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
|
|
|
|
if (offers.isEmpty()) {
|
|
//TODO: what would be -really- cool is offer to try and download the applet
|
|
// from the network at this point
|
|
kDebug() << "Applet::loadApplet: offers is empty for \"" << appletName << "\"";
|
|
return 0;
|
|
} /* else if (offers.count() > 1) {
|
|
kDebug() << "hey! we got more than one! let's blindly take the first one";
|
|
} */
|
|
|
|
if (appletId == 0) {
|
|
appletId = Private::nextId();
|
|
}
|
|
|
|
QVariantList allArgs;
|
|
allArgs << offers.first()->storageId() << appletId << args;
|
|
QString error;
|
|
Applet* applet = offers.first()->createInstance<Plasma::Applet>(0, allArgs, &error);
|
|
|
|
if (!applet) {
|
|
kDebug() << "Couldn't load applet \"" << appletName << "\"! reason given: " << error;
|
|
}
|
|
|
|
return applet;
|
|
}
|
|
|
|
Applet* Applet::loadApplet(const KPluginInfo& info, uint appletId, const QVariantList& args)
|
|
{
|
|
if (!info.isValid()) {
|
|
return 0;
|
|
}
|
|
|
|
return loadApplet(info.pluginName(), appletId, args);
|
|
}
|
|
|
|
void Applet::setShadowShown(bool shown)
|
|
{
|
|
//There are various problems with shadows right now:
|
|
//
|
|
//1) shadows can be seen through translucent areas, which is probably technically correct ubt
|
|
//looks odd
|
|
//2) the shape of the item odesn't conform to the shape of the standard background, e.g. with
|
|
//rounded corners
|
|
#ifdef DYNAMIC_SHADOWS
|
|
if (shown) {
|
|
if (d->shadow) {
|
|
d->shadow->setVisible(true);
|
|
} else {
|
|
d->shadow = new ShadowItem(this);
|
|
if (scene()) {
|
|
scene()->addItem(d->shadow);
|
|
d->shadow->show();
|
|
}
|
|
}
|
|
} else {
|
|
delete d->shadow;
|
|
d->shadow = 0;
|
|
}
|
|
#else
|
|
Q_UNUSED(shown);
|
|
#endif
|
|
}
|
|
|
|
bool Applet::isShadowShown() const
|
|
{
|
|
return d->shadow && d->shadow->isVisible();
|
|
}
|
|
|
|
QVariant Applet::itemChange(GraphicsItemChange change, const QVariant &value)
|
|
{
|
|
if (!d->shadow) {
|
|
return QGraphicsItem::itemChange(change, value);
|
|
}
|
|
|
|
switch (change) {
|
|
case ItemPositionChange:
|
|
d->shadow->adjustPosition();
|
|
break;
|
|
case ItemSceneChange: {
|
|
QGraphicsScene *newScene = qvariant_cast<QGraphicsScene*>(value);
|
|
if (d->shadow->scene())
|
|
d->shadow->scene()->removeItem(d->shadow);
|
|
if (newScene) {
|
|
newScene->addItem(d->shadow);
|
|
d->shadow->generate();
|
|
d->shadow->adjustPosition();
|
|
d->shadow->show();
|
|
}
|
|
}
|
|
break;
|
|
case ItemVisibleChange:
|
|
d->shadow->setVisible(isVisible());
|
|
break;
|
|
default:
|
|
break;
|
|
};
|
|
|
|
return QGraphicsItem::itemChange(change, value);
|
|
}
|
|
|
|
void Applet::setGeometry(const QRectF& geometry)
|
|
{
|
|
if (geometry.size().width() > 0 && geometry.size().height() > 0 && size() != geometry.size()) {
|
|
prepareGeometryChange();
|
|
qreal width = qBound(minimumSize().width(), geometry.size().width(), maximumSize().width());
|
|
qreal height = qBound(minimumSize().height(), geometry.size().height(), maximumSize().height());
|
|
|
|
setSize(QSizeF(width, height));
|
|
|
|
if (layout()) {
|
|
layout()->setGeometry(QRectF(QPoint(0, 0), contentSize()));
|
|
}
|
|
|
|
if (managingLayout()) {
|
|
managingLayout()->invalidate();
|
|
}
|
|
|
|
updateConstraints(Plasma::SizeConstraint);
|
|
}
|
|
|
|
setPos(geometry.topLeft());
|
|
emit geometryChanged();
|
|
update();
|
|
}
|
|
|
|
void Applet::setIsContainment(bool isContainment)
|
|
{
|
|
d->isContainment = isContainment;
|
|
}
|
|
|
|
bool Applet::isContainment() const
|
|
{
|
|
return d->isContainment;
|
|
}
|
|
|
|
void Applet::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
|
|
{
|
|
//kDebug() << "context menu event!";
|
|
if (!scene()) {
|
|
//kDebug() << "no scene?!";
|
|
return;
|
|
}
|
|
|
|
Applet* containment = dynamic_cast<Plasma::Applet*>(topLevelItem());
|
|
|
|
if (!containment || containment == this) {
|
|
//kDebug() << "no containment. hm.";
|
|
Widget::contextMenuEvent(event);
|
|
return;
|
|
}
|
|
|
|
// we want to pass up the context menu event to the Containment at
|
|
// this point
|
|
containment->contextMenuEvent(event);
|
|
}
|
|
|
|
} // Plasma namespace
|
|
|
|
#include "applet.moc"
|