289 lines
11 KiB
C++
289 lines
11 KiB
C++
/******************************************************************************
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* Copyright 2007-2009 by Aaron Seigo <aseigo@kde.org> *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 GNU *
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* Library 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 License *
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* along with this library; see the file COPYING.LIB. If not, write to *
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301, USA. *
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*******************************************************************************/
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#include "plasma/private/packages_p.h"
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#include <math.h>
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#include <float.h> // FLT_MAX
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#include <QFileInfo>
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#include <kconfiggroup.h>
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#include <kdesktopfile.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <knewstuff2/engine.h>
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#include "plasma/private/wallpaper_p.h"
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namespace Plasma
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{
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PlasmoidPackage::PlasmoidPackage(QObject *parent)
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: Plasma::PackageStructure(parent, QString("Plasmoid"))
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{
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addDirectoryDefinition("images", "images/", i18n("Images"));
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QStringList mimetypes;
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mimetypes << "image/svg+xml" << "image/png" << "image/jpeg";
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setMimetypes("images", mimetypes);
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addDirectoryDefinition("config", "config/", i18n("Configuration Definitions"));
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mimetypes.clear();
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mimetypes << "text/xml";
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setMimetypes("config", mimetypes);
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setMimetypes("configui", mimetypes);
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addDirectoryDefinition("ui", "ui", i18n("User Interface"));
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setMimetypes("ui", mimetypes);
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addDirectoryDefinition("scripts", "code", i18n("Executable Scripts"));
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mimetypes.clear();
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mimetypes << "text/*";
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setMimetypes("scripts", mimetypes);
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addDirectoryDefinition("translations", "locale", i18n("Translations"));
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addFileDefinition("mainconfigui", "ui/config.ui", i18n("Main Config UI File"));
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addFileDefinition("mainconfigxml", "config/main.xml", i18n("Configuration XML file"));
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addFileDefinition("mainscript", "code/main", i18n("Main Script File"));
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setRequired("mainscript", true);
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}
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void PlasmoidPackage::pathChanged()
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{
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KDesktopFile config(path() + "/metadata.desktop");
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KConfigGroup cg = config.desktopGroup();
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QString mainScript = cg.readEntry("X-Plasma-MainScript", QString());
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if (!mainScript.isEmpty()) {
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addFileDefinition("mainscript", mainScript, i18n("Main Script File"));
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setRequired("mainscript", true);
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}
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}
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void PlasmoidPackage::createNewWidgetBrowser(QWidget *parent)
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{
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KNS::Engine engine(0);
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if (engine.init("plasmoids.knsrc")) {
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//FIXME: this should not be modal, but requires fixes in knewstuff2 first
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KNS::Entry::List entries = engine.downloadDialogModal(parent);
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}
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emit newWidgetBrowserFinished();
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}
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ThemePackage::ThemePackage(QObject *parent)
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: Plasma::PackageStructure(parent, QString("Plasma Theme"))
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{
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addDirectoryDefinition("dialogs", "dialogs/", i18n("Images for dialogs"));
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addFileDefinition("dialogs/background", "dialogs/background.svg",
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i18n("Generic dialog background"));
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addFileDefinition("dialogs/shutdowndialog", "dialogs/shutdowndialog.svg",
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i18n("Theme for the logout dialog"));
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addDirectoryDefinition("wallpapers", "wallpapers/", i18n("Wallpaper packages"));
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addDirectoryDefinition("widgets", "widgets/", i18n("Images for widgets"));
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addFileDefinition("widgets/background", "widgets/background.svg",
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i18n("Background image for widgets"));
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addFileDefinition("widgets/clock", "widgets/clock.svg",
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i18n("Analog clock face"));
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addFileDefinition("widgets/panel-background", "widgets/panel-background.svg",
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i18n("Background image for panels"));
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addFileDefinition("widgets/plot-background", "widgets/plot-background.svg",
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i18n("Background for graphing widgets"));
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addFileDefinition("widgets/tooltip", "widgets/tooltip.svg",
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i18n("Background image for tooltips"));
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addDirectoryDefinition("opaque/dialogs", "opaque/dialogs/", i18n("Opaque images for dialogs"));
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addFileDefinition("opaque/dialogs/background", "opaque/dialogs/background.svg",
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i18n("Opaque generic dialog background"));
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addFileDefinition("opaque/dialogs/shutdowndialog", "opaque/dialogs/shutdowndialog.svg",
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i18n("Opaque theme for the logout dialog"));
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addDirectoryDefinition("opaque/widgets", "opaque/widgets/", i18n("Opaque images for widgets"));
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addFileDefinition("opaque/widgets/panel-background", "opaque/widgets/panel-background.svg",
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i18n("Opaque background image for panels"));
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addFileDefinition("opaque/widgets/tooltip", "opaque/widgets/tooltip.svg",
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i18n("Opaque background image for tooltips"));
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addDirectoryDefinition("locolor/dialogs", "locolor/dialogs/",
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i18n("Low color images for dialogs"));
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addFileDefinition("locolor/dialogs/background", "locolor/dialogs/background.svg",
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i18n("Low color generic dialog background"));
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addFileDefinition("locolor/dialogs/shutdowndialog", "locolor/dialogs/shutdowndialog.svg",
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i18n("Low color theme for the logout dialog"));
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addDirectoryDefinition("locolor/widgets", "locolor/widgets/", i18n("Images for widgets"));
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addFileDefinition("locolor/widgets/background", "locolor/widgets/background.svg",
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i18n("Low color background image for widgets"));
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addFileDefinition("locolor/widgets/clock", "locolor/widgets/clock.svg",
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i18n("Low color analog clock face"));
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addFileDefinition("locolor/widgets/panel-background", "locolor/widgets/panel-background.svg",
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i18n("Low color background image for panels"));
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addFileDefinition("locolor/widgets/plot-background", "locolor/widgets/plot-background.svg",
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i18n("Low color background for graphing widgets"));
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addFileDefinition("locolor/widgets/tooltip", "locolor/widgets/tooltip.svg",
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i18n("Low color background image for tooltips"));
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addFileDefinition("colors", "colors", i18n("KColorScheme configuration file"));
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QStringList mimetypes;
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mimetypes << "image/svg+xml";
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setDefaultMimetypes(mimetypes);
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}
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WallpaperPackage::WallpaperPackage(Wallpaper *paper, QObject *parent)
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: PackageStructure(parent, "Background"),
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m_paper(paper)
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{
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QStringList mimetypes;
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mimetypes << "image/svg" << "image/png" << "image/jpeg" << "image/jpg";
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setDefaultMimetypes(mimetypes);
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addDirectoryDefinition("images", "images/", i18n("Images"));
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setRequired("images", true);
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addFileDefinition("screenshot", "screenshot.png", i18n("Screenshot"));
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setAllowExternalPaths(true);
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if (m_paper) {
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connect(paper, SIGNAL(renderHintsChanged()), this, SLOT(renderHintsChanged()));
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connect(m_paper, SIGNAL(destroyed(QObject*)), this, SLOT(paperDestroyed()));
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}
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}
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void WallpaperPackage::renderHintsChanged()
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{
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pathChanged();
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}
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void WallpaperPackage::pathChanged()
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{
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static bool guard = false;
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if (guard) {
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return;
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}
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guard = true;
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QFileInfo info(path());
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if (info.isDir()) {
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findBestPaper();
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} else {
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// dirty trick to support having a file passed in instead of a directory
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addFileDefinition("preferred", info.fileName(), i18n("Recommended wallpaper file"));
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setContentsPrefix(QString());
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//kDebug() << "changing" << path() << "to" << info.path();
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setPath(info.path());
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}
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guard = false;
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}
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QSize WallpaperPackage::resSize(const QString &str) const
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{
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int index = str.indexOf('x');
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if (index != -1) {
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return QSize(str.left(index).toInt(),
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str.mid(index + 1).toInt());
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} else {
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return QSize();
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}
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}
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void WallpaperPackage::findBestPaper()
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{
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QStringList images = entryList("images");
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if (images.empty()) {
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return;
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}
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//kDebug() << "wanted" << size;
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// choose the nearest resolution
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float best = FLT_MAX;
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const QSize size = m_paper ? m_paper->d->targetSize.toSize() : QSize(100000, 100000);
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const Wallpaper::ResizeMethod method = m_paper ? m_paper->d->lastResizeMethod
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: Wallpaper::ScaledResize;
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QString bestImage;
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foreach (const QString &entry, images) {
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QSize candidate = resSize(QFileInfo(entry).baseName());
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if (candidate == QSize()) {
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continue;
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}
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double dist = distance(candidate, size, method);
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//kDebug() << "candidate" << candidate << "distance" << dist;
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if (bestImage.isEmpty() || dist < best) {
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bestImage = entry;
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best = dist;
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//kDebug() << "best" << bestImage;
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if (dist == 0) {
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break;
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}
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}
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}
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//kDebug() << "best image" << bestImage;
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addFileDefinition("preferred", path("images") + bestImage, i18n("Recommended wallpaper file"));
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}
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float WallpaperPackage::distance(const QSize& size, const QSize& desired,
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Plasma::Wallpaper::ResizeMethod method) const
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{
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// compute difference of areas
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float delta = size.width() * size.height() -
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desired.width() * desired.height();
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// scale down to about 1.0
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delta /= ((desired.width() * desired.height())+(size.width() * size.height()))/2;
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switch (method) {
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case Plasma::Wallpaper::ScaledResize: {
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// Consider first the difference in aspect ratio,
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// then in areas. Prefer scaling down.
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float deltaRatio = 1.0;
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if (size.height() > 0 && desired.height() > 0) {
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deltaRatio = float(size.width()) / float(size.height()) -
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float(desired.width()) / float(desired.height());
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}
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return fabs(deltaRatio) * 3.0 + (delta >= 0.0 ? delta : -delta + 5.0);
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}
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case Plasma::Wallpaper::ScaledAndCroppedResize:
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// Difference of areas, slight preference to scale down
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return delta >= 0.0 ? delta : -delta + 2.0;
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default:
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// Difference in areas
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return fabs(delta);
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}
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}
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void WallpaperPackage::paperDestroyed()
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{
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m_paper = 0;
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}
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} // namespace Plasma
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#include "packages_p.moc"
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