No OneTemporary
Actions

Size

36 KB

Referenced Files

None

Subscribers

None

View Options

	diff --git a/plasma/theme.cpp b/plasma/theme.cpp
	index 3427315762..2b1d47a015 100644
	--- a/plasma/theme.cpp
	+++ b/plasma/theme.cpp
	@@ -1,1117 +1,1121 @@
	/*
	* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU Library General Public License as
	* published by the Free Software Foundation; either version 2, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details
	*
	* You should have received a copy of the GNU Library General Public
	* License along with this program; if not, write to the
	* Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*/

	#include "theme.h"

	#include <QApplication>
	#include <QFile>
	#include <QFileInfo>
	#include <QMutableListIterator>
	#include <QPair>
	#include <QStringBuilder>
	#include <QTimer>
	#ifdef Q_WS_X11
	#include <QX11Info>
	#include "private/effectwatcher_p.h"
	#endif

	#include <kcolorscheme.h>
	#include <kcomponentdata.h>
	#include <kconfiggroup.h>
	#include <kdebug.h>
	#include <kdirwatch.h>
	#include <kglobal.h>
	#include <kglobalsettings.h>
	#include <kmanagerselection.h>
	#include <kimagecache.h>
	#include <ksharedconfig.h>
	#include <kstandarddirs.h>
	#include <kwindowsystem.h>


	#include "animations/animationscriptengine_p.h"
	#include "libplasma-theme-global.h"
	#include "private/packages_p.h"
	#include "windoweffects.h"

	namespace Plasma
	{

	//NOTE: Default wallpaper can be set from the theme configuration
	#define DEFAULT_WALLPAPER_THEME "default"
	#define DEFAULT_WALLPAPER_SUFFIX ".png"
	static const int DEFAULT_WALLPAPER_WIDTH = 1920;
	static const int DEFAULT_WALLPAPER_HEIGHT = 1200;

	enum styles {
	DEFAULTSTYLE,
	SVGSTYLE
	};

	enum CacheType {
	NoCache = 0,
	PixmapCache = 1,
	SvgElementsCache = 2
	};
	Q_DECLARE_FLAGS(CacheTypes, CacheType)
	Q_DECLARE_OPERATORS_FOR_FLAGS(CacheTypes)

	class ThemePrivate
	{
	public:
	ThemePrivate(Theme *theme)
	: q(theme),
	colorScheme(QPalette::Active, KColorScheme::Window, KSharedConfigPtr(0)),
	buttonColorScheme(QPalette::Active, KColorScheme::Button, KSharedConfigPtr(0)),
	viewColorScheme(QPalette::Active, KColorScheme::View, KSharedConfigPtr(0)),
	defaultWallpaperTheme(DEFAULT_WALLPAPER_THEME),
	defaultWallpaperSuffix(DEFAULT_WALLPAPER_SUFFIX),
	defaultWallpaperWidth(DEFAULT_WALLPAPER_WIDTH),
	defaultWallpaperHeight(DEFAULT_WALLPAPER_HEIGHT),
	pixmapCache(0),
	cachesToDiscard(NoCache),
	locolor(false),
	compositingActive(KWindowSystem::self()->compositingActive()),
	blurActive(false),
	isDefault(false),
	useGlobal(true),
	hasWallpapers(false),
	useNativeWidgetStyle(false)
	{
	generalFont = QApplication::font();
	ThemeConfig config;
	cacheTheme = config.cacheTheme();

	saveTimer = new QTimer(q);
	saveTimer->setSingleShot(true);
	saveTimer->setInterval(600);
	QObject::connect(saveTimer, SIGNAL(timeout()), q, SLOT(scheduledCacheUpdate()));

	updateNotificationTimer = new QTimer(q);
	updateNotificationTimer->setSingleShot(true);
	updateNotificationTimer->setInterval(500);
	QObject::connect(updateNotificationTimer, SIGNAL(timeout()), q, SLOT(notifyOfChanged()));

	if (QPixmap::defaultDepth() > 8) {
	QObject::connect(KWindowSystem::self(), SIGNAL(compositingChanged(bool)), q, SLOT(compositingChanged(bool)));
	#ifdef Q_WS_X11
	//watch for blur effect property changes as well
	if (!s_blurEffectWatcher) {
	s_blurEffectWatcher = new EffectWatcher("_KDE_NET_WM_BLUR_BEHIND_REGION");
	}

	QObject::connect(s_blurEffectWatcher, SIGNAL(effectChanged(bool)), q, SLOT(blurBehindChanged(bool)));
	#endif
	}
	}

	~ThemePrivate()
	{
	delete pixmapCache;
	}

	KConfigGroup &config()
	{
	if (!cfg.isValid()) {
	QString groupName = "Theme";

	if (!useGlobal) {
	QString app = KGlobal::mainComponent().componentName();

	if (!app.isEmpty()) {
	kDebug() << "using theme for app" << app;
	groupName.append("-").append(app);
	}
	}

	cfg = KConfigGroup(KSharedConfig::openConfig(themeRcFile), groupName);
	}

	return cfg;
	}

	QString findInTheme(const QString &image, const QString &theme, bool cache = true);
	void compositingChanged(bool active);
	void discardCache(CacheTypes caches);
	void scheduledCacheUpdate();
	void scheduleThemeChangeNotification(CacheTypes caches);
	void notifyOfChanged();
	void colorsChanged();
	void blurBehindChanged(bool blur);
	bool useCache();
	void settingsFileChanged(const QString &);
	void setThemeName(const QString &themeName, bool writeSettings);
	void onAppExitCleanup();
	void processWallpaperSettings(KConfigBase *metadata);
	void processAnimationSettings(const QString &theme, KConfigBase *metadata);

	const QString processStyleSheet(const QString &css);

	static const char *defaultTheme;
	static const char *systemColorsTheme;
	static const char *themeRcFile;
	static PackageStructure::Ptr packageStructure;
	+#ifdef Q_WS_X11
	static EffectWatcher *s_blurEffectWatcher;
	-
	+#endif
	+
	Theme *q;
	QString themeName;
	QList<QString> fallbackThemes;
	KSharedConfigPtr colors;
	KColorScheme colorScheme;
	KColorScheme buttonColorScheme;
	KColorScheme viewColorScheme;
	KConfigGroup cfg;
	QFont generalFont;
	QString defaultWallpaperTheme;
	QString defaultWallpaperSuffix;
	int defaultWallpaperWidth;
	int defaultWallpaperHeight;
	KImageCache *pixmapCache;
	KSharedConfigPtr svgElementsCache;
	QHash<QString, QSet<QString> > invalidElements;
	QHash<QString, QPixmap> pixmapsToCache;
	QHash<QString, QString> keysToCache;
	QHash<QString, QString> idsToCache;
	QHash<QString, QString> animationMapping;
	QHash<styles, QString> cachedStyleSheets;
	QHash<QString, QString> discoveries;
	QTimer *saveTimer;
	QTimer *updateNotificationTimer;
	int toolTipDelay;
	CacheTypes cachesToDiscard;

	bool locolor : 1;
	bool compositingActive : 1;
	bool blurActive : 1;
	bool isDefault : 1;
	bool useGlobal : 1;
	bool hasWallpapers : 1;
	bool cacheTheme : 1;
	bool useNativeWidgetStyle :1;
	};

	PackageStructure::Ptr ThemePrivate::packageStructure(0);
	const char *ThemePrivate::defaultTheme = "default";
	const char *ThemePrivate::themeRcFile = "plasmarc";
	// the system colors theme is used to cache unthemed svgs with colorization needs
	// these svgs do not follow the theme's colors, but rather the system colors
	const char *ThemePrivate::systemColorsTheme = "internal-system-colors";
	+#ifdef Q_WS_X11
	EffectWatcher *ThemePrivate::s_blurEffectWatcher = 0;
	+#endif

	bool ThemePrivate::useCache()
	{
	if (cacheTheme && !pixmapCache) {
	ThemeConfig config;
	pixmapCache = new KImageCache("plasma_theme_" + themeName, config.themeCacheKb() * 1024);
	if (themeName != systemColorsTheme) {
	//check for expired cache
	// FIXME: when using the system colors, if they change while the application is not running
	// the cache should be dropped; we need a way to detect system color change when the
	// application is not running.
	QFile f(KStandardDirs::locate("data", "desktoptheme/" + themeName + "/metadata.desktop"));
	QFileInfo info(f);
	if (info.lastModified().toTime_t() > uint(pixmapCache->lastModifiedTime())) {
	pixmapCache->clear();
	}
	}
	}

	return cacheTheme;
	}

	void ThemePrivate::onAppExitCleanup()
	{
	pixmapsToCache.clear();
	delete pixmapCache;
	pixmapCache = 0;
	cacheTheme = false;
	}

	QString ThemePrivate::findInTheme(const QString &image, const QString &theme, bool cache)
	{
	if (cache && discoveries.contains(image)) {
	return discoveries[image];
	}

	QString search;

	if (locolor) {
	search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/locolor/") % image;
	search = KStandardDirs::locate("data", search);
	} else if (!compositingActive) {
	search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/opaque/") % image;
	search = KStandardDirs::locate("data", search);
	} else if (WindowEffects::isEffectAvailable(WindowEffects::BlurBehind)) {
	search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/translucent/") % image;
	search = KStandardDirs::locate("data", search);
	}

	//not found or compositing enabled
	if (search.isEmpty()) {
	search = QLatin1Literal("desktoptheme/") % theme % QLatin1Char('/') % image;
	search = KStandardDirs::locate("data", search);
	}

	if (cache && !search.isEmpty()) {
	discoveries.insert(image, search);
	}

	return search;
	}

	void ThemePrivate::compositingChanged(bool active)
	{
	#ifdef Q_WS_X11
	if (compositingActive != active) {
	compositingActive = active;
	//kDebug() << QTime::currentTime();
	scheduleThemeChangeNotification(PixmapCache \| SvgElementsCache);
	}
	#endif
	}

	void ThemePrivate::discardCache(CacheTypes caches)
	{
	if (caches & PixmapCache) {
	pixmapsToCache.clear();
	saveTimer->stop();
	if (pixmapCache) {
	pixmapCache->clear();
	}
	} else {
	// This deletes the object but keeps the on-disk cache for later use
	delete pixmapCache;
	pixmapCache = 0;
	}

	cachedStyleSheets.clear();

	if (caches & SvgElementsCache) {
	discoveries.clear();
	invalidElements.clear();

	if (svgElementsCache) {
	QFile f(svgElementsCache->name());
	svgElementsCache = 0;
	f.remove();
	}

	const QString svgElementsFile = KStandardDirs::locateLocal("cache", "plasma-svgelements-" + themeName);
	svgElementsCache = KSharedConfig::openConfig(svgElementsFile);
	}
	}

	void ThemePrivate::scheduledCacheUpdate()
	{
	if (useCache()) {
	QHashIterator<QString, QPixmap> it(pixmapsToCache);
	while (it.hasNext()) {
	it.next();
	pixmapCache->insertPixmap(idsToCache[it.key()], it.value());
	}
	}

	pixmapsToCache.clear();
	keysToCache.clear();
	idsToCache.clear();
	}

	void ThemePrivate::colorsChanged()
	{
	colorScheme = KColorScheme(QPalette::Active, KColorScheme::Window, colors);
	buttonColorScheme = KColorScheme(QPalette::Active, KColorScheme::Button, colors);
	viewColorScheme = KColorScheme(QPalette::Active, KColorScheme::View, colors);
	scheduleThemeChangeNotification(PixmapCache);
	}

	void ThemePrivate::blurBehindChanged(bool blur)
	{
	if (blurActive != blur) {
	blurActive = blur;
	scheduleThemeChangeNotification(PixmapCache \| SvgElementsCache);
	}
	}

	void ThemePrivate::scheduleThemeChangeNotification(CacheTypes caches)
	{
	cachesToDiscard \|= caches;
	updateNotificationTimer->start();
	}

	void ThemePrivate::notifyOfChanged()
	{
	//kDebug() << cachesToDiscard;
	discardCache(cachesToDiscard);
	cachesToDiscard = NoCache;
	emit q->themeChanged();
	}

	const QString ThemePrivate::processStyleSheet(const QString &css)
	{
	QString stylesheet;
	if (css.isEmpty()) {
	stylesheet = cachedStyleSheets.value(DEFAULTSTYLE);
	if (stylesheet.isEmpty()) {
	stylesheet = QString("\n\
	body {\n\
	color: %textcolor;\n\
	font-size: %fontsize;\n\
	font-family: %fontfamily;\n\
	}\n\
	a:active { color: %activatedlink; }\n\
	a:link { color: %link; }\n\
	a:visited { color: %visitedlink; }\n\
	a:hover { color: %hoveredlink; text-decoration: none; }\n\
	");
	stylesheet = processStyleSheet(stylesheet);
	cachedStyleSheets.insert(DEFAULTSTYLE, stylesheet);
	}

	return stylesheet;
	} else if (css == "SVG") {
	stylesheet = cachedStyleSheets.value(SVGSTYLE);
	if (stylesheet.isEmpty()) {
	QString skel = ".ColorScheme-%1{color:%2;}";

	stylesheet += skel.arg("Text","%textcolor");
	stylesheet += skel.arg("Background","%backgroundcolor");

	stylesheet += skel.arg("ButtonText","%buttontextcolor");
	stylesheet += skel.arg("ButtonBackground","%buttonbackgroundcolor");
	stylesheet += skel.arg("ButtonHover","%buttonhovercolor");
	stylesheet += skel.arg("ButtonFocus","%buttonfocuscolor");

	stylesheet += skel.arg("ViewText","%viewtextcolor");
	stylesheet += skel.arg("ViewBackground","%viewbackgroundcolor");
	stylesheet += skel.arg("ViewHover","%viewhovercolor");
	stylesheet += skel.arg("ViewFocus","%viewfocuscolor");

	stylesheet = processStyleSheet(stylesheet);
	cachedStyleSheets.insert(SVGSTYLE, stylesheet);
	}

	return stylesheet;
	} else {
	stylesheet = css;
	}

	QHash<QString, QString> elements;
	// If you add elements here, make sure their names are sufficiently unique to not cause
	// clashes between element keys
	elements["%textcolor"] = q->color(Theme::TextColor).name();
	elements["%backgroundcolor"] = q->color(Theme::BackgroundColor).name();
	elements["%visitedlink"] = q->color(Theme::VisitedLinkColor).name();
	elements["%activatedlink"] = q->color(Theme::HighlightColor).name();
	elements["%hoveredlink"] = q->color(Theme::HighlightColor).name();
	elements["%link"] = q->color(Theme::LinkColor).name();
	elements["%buttontextcolor"] = q->color(Theme::ButtonTextColor).name();
	elements["%buttonbackgroundcolor"] = q->color(Theme::ButtonBackgroundColor).name();
	elements["%buttonhovercolor"] = q->color(Theme::ButtonHoverColor).name();
	elements["%buttonfocuscolor"] = q->color(Theme::ButtonFocusColor).name();
	elements["%viewtextcolor"] = q->color(Theme::ViewTextColor).name();
	elements["%viewbackgroundcolor"] = q->color(Theme::ViewBackgroundColor).name();
	elements["%viewhovercolor"] = q->color(Theme::ViewHoverColor).name();
	elements["%viewfocuscolor"] = q->color(Theme::ViewFocusColor).name();

	QFont font = q->font(Theme::DefaultFont);
	elements["%fontsize"] = QString("%1pt").arg(font.pointSize());
	elements["%fontfamily"] = font.family().split('[').first();
	elements["%smallfontsize"] = QString("%1pt").arg(KGlobalSettings::smallestReadableFont().pointSize());

	QHash<QString, QString>::const_iterator it = elements.constBegin();
	QHash<QString, QString>::const_iterator itEnd = elements.constEnd();
	for ( ; it != itEnd; ++it) {
	stylesheet.replace(it.key(), it.value());
	}
	return stylesheet;
	}

	class ThemeSingleton
	{
	public:
	ThemeSingleton()
	{
	self.d->isDefault = true;

	//FIXME: if/when kconfig gets change notification, this will be unnecessary
	KDirWatch::self()->addFile(KStandardDirs::locateLocal("config", ThemePrivate::themeRcFile));
	QObject::connect(KDirWatch::self(), SIGNAL(created(QString)), &self, SLOT(settingsFileChanged(QString)));
	QObject::connect(KDirWatch::self(), SIGNAL(dirty(QString)), &self, SLOT(settingsFileChanged(QString)));
	}

	Theme self;
	};

	K_GLOBAL_STATIC(ThemeSingleton, privateThemeSelf)

	Theme *Theme::defaultTheme()
	{
	return &privateThemeSelf->self;
	}

	Theme::Theme(QObject *parent)
	: QObject(parent),
	d(new ThemePrivate(this))
	{
	settingsChanged();
	if (QCoreApplication::instance()) {
	connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()),
	this, SLOT(onAppExitCleanup()));
	}
	}

	Theme::Theme(const QString &themeName, QObject *parent)
	: QObject(parent),
	d(new ThemePrivate(this))
	{
	// turn off caching so we don't accidently trigger unnecessary disk activity at this point
	bool useCache = d->cacheTheme;
	d->cacheTheme = false;
	setThemeName(themeName);
	d->cacheTheme = useCache;
	if (QCoreApplication::instance()) {
	connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()),
	this, SLOT(onAppExitCleanup()));
	}
	}

	Theme::~Theme()
	{
	if (d->svgElementsCache) {
	QHashIterator<QString, QSet<QString> > it(d->invalidElements);
	while (it.hasNext()) {
	it.next();
	KConfigGroup imageGroup(d->svgElementsCache, it.key());
	imageGroup.writeEntry("invalidElements", it.value().toList()); //FIXME: add QSet support to KConfig
	}
	}

	d->onAppExitCleanup();
	delete d;
	}

	PackageStructure::Ptr Theme::packageStructure()
	{
	if (!ThemePrivate::packageStructure) {
	ThemePrivate::packageStructure = new ThemePackage();
	}

	return ThemePrivate::packageStructure;
	}

	KPluginInfo::List Theme::listThemeInfo()
	{
	const QStringList themes = KGlobal::dirs()->findAllResources("data", "desktoptheme/*/metadata.desktop",
	KStandardDirs::NoDuplicates);
	return KPluginInfo::fromFiles(themes);
	}

	void ThemePrivate::settingsFileChanged(const QString &file)
	{
	if (file.endsWith(themeRcFile)) {
	config().config()->reparseConfiguration();
	q->settingsChanged();
	}
	}

	void Theme::settingsChanged()
	{
	KConfigGroup cg = d->config();
	d->setThemeName(cg.readEntry("name", ThemePrivate::defaultTheme), false);
	cg = KConfigGroup(cg.config(), "PlasmaToolTips");
	d->toolTipDelay = cg.readEntry("Delay", qreal(0.7));
	}

	void Theme::setThemeName(const QString &themeName)
	{
	d->setThemeName(themeName, true);
	}

	void ThemePrivate::processWallpaperSettings(KConfigBase *metadata)
	{
	if (!defaultWallpaperTheme.isEmpty() && defaultWallpaperTheme != DEFAULT_WALLPAPER_THEME) {
	return;
	}

	KConfigGroup cg;
	if (metadata->hasGroup("Wallpaper")) {
	// we have a theme color config, so let's also check to see if
	// there is a wallpaper defined in there.
	cg = KConfigGroup(metadata, "Wallpaper");
	} else {
	// since we didn't find an entry in the theme, let's look in the main
	// theme config
	cg = config();
	}

	defaultWallpaperTheme = cg.readEntry("defaultWallpaperTheme", DEFAULT_WALLPAPER_THEME);
	defaultWallpaperSuffix = cg.readEntry("defaultFileSuffix", DEFAULT_WALLPAPER_SUFFIX);
	defaultWallpaperWidth = cg.readEntry("defaultWidth", DEFAULT_WALLPAPER_WIDTH);
	defaultWallpaperHeight = cg.readEntry("defaultHeight", DEFAULT_WALLPAPER_HEIGHT);
	}

	void ThemePrivate::processAnimationSettings(const QString &theme, KConfigBase *metadata)
	{
	KConfigGroup cg(metadata, "Animations");
	const QString animDir = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/animations/");
	foreach (const QString &path, cg.keyList()) {
	const QStringList anims = cg.readEntry(path, QStringList());
	foreach (const QString &anim, anims) {
	if (!animationMapping.contains(anim)) {
	kDebug() << "Registering animation. animDir: " << animDir
	<< "\tanim: " << anim
	<< "\tpath: " << path << "\t*******\n\n\n";
	//key: desktoptheme/default/animations/+ all.js
	//value: ZoomAnimation
	animationMapping.insert(anim, animDir % path);
	} else {
	kDebug() << "************Animation already registered!\n\n\n";
	}
	}
	}

	}

	void ThemePrivate::setThemeName(const QString &tempThemeName, bool writeSettings)
	{
	//kDebug() << tempThemeName;
	QString theme = tempThemeName;
	if (theme.isEmpty() \|\| theme == themeName) {
	// let's try and get the default theme at least
	if (themeName.isEmpty()) {
	theme = ThemePrivate::defaultTheme;
	} else {
	return;
	}
	}

	// we have one special theme: essentially a dummy theme used to cache things with
	// the system colors.
	bool realTheme = theme != systemColorsTheme;
	if (realTheme) {
	QString themePath = KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Char('/'));
	if (themePath.isEmpty() && themeName.isEmpty()) {
	themePath = KStandardDirs::locate("data", "desktoptheme/default/");

	if (themePath.isEmpty()) {
	return;
	}

	theme = ThemePrivate::defaultTheme;
	}
	}

	// check again as ThemePrivate::defaultTheme might be empty
	if (themeName == theme) {
	return;
	}

	themeName = theme;

	// load the color scheme config
	const QString colorsFile = realTheme ? KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/colors"))
	: QString();

	//kDebug() << "we're going for..." << colorsFile << "*******************";

	// load the wallpaper settings, if any
	if (realTheme) {
	const QString metadataPath(KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/metadata.desktop")));
	KConfig metadata(metadataPath);

	processWallpaperSettings(&metadata);

	AnimationScriptEngine::clearAnimations();
	animationMapping.clear();
	processAnimationSettings(themeName, &metadata);

	KConfigGroup cg(&metadata, "Settings");
	useNativeWidgetStyle = cg.readEntry("UseNativeWidgetStyle", false);
	QString fallback = cg.readEntry("FallbackTheme", QString());

	fallbackThemes.clear();
	while (!fallback.isEmpty() && !fallbackThemes.contains(fallback)) {
	fallbackThemes.append(fallback);

	QString metadataPath(KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/metadata.desktop")));
	KConfig metadata(metadataPath);
	KConfigGroup cg(&metadata, "Settings");
	fallback = cg.readEntry("FallbackTheme", QString());
	}

	if (!fallbackThemes.contains("oxygen")) {
	fallbackThemes.append("oxygen");
	}

	if (!fallbackThemes.contains(ThemePrivate::defaultTheme)) {
	fallbackThemes.append(ThemePrivate::defaultTheme);
	}

	foreach (const QString &theme, fallbackThemes) {
	QString metadataPath(KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/metadata.desktop")));
	KConfig metadata(metadataPath);
	processAnimationSettings(theme, &metadata);
	processWallpaperSettings(&metadata);
	}
	}

	if (colorsFile.isEmpty()) {
	colors = 0;
	QObject::connect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()),
	q, SLOT(colorsChanged()), Qt::UniqueConnection);
	} else {
	QObject::disconnect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()),
	q, SLOT(colorsChanged()));
	colors = KSharedConfig::openConfig(colorsFile);
	}

	colorScheme = KColorScheme(QPalette::Active, KColorScheme::Window, colors);
	buttonColorScheme = KColorScheme(QPalette::Active, KColorScheme::Button, colors);
	viewColorScheme = KColorScheme(QPalette::Active, KColorScheme::View, colors);
	hasWallpapers = KStandardDirs::exists(KStandardDirs::locateLocal("data", QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/wallpapers/")));

	if (realTheme && isDefault && writeSettings) {
	// we're the default theme, let's save our state
	KConfigGroup &cg = config();
	if (ThemePrivate::defaultTheme == themeName) {
	cg.deleteEntry("name");
	} else {
	cg.writeEntry("name", themeName);
	}
	cg.sync();
	}

	scheduleThemeChangeNotification(SvgElementsCache);
	}

	QString Theme::themeName() const
	{
	return d->themeName;
	}

	QString Theme::imagePath(const QString &name) const
	{
	// look for a compressed svg file in the theme
	if (name.contains("../") \|\| name.isEmpty()) {
	// we don't support relative paths
	//kDebug() << "Theme says: bad image path " << name;
	return QString();
	}

	const QString svgzName = name % QLatin1Literal(".svgz");
	QString path = d->findInTheme(svgzName, d->themeName);

	if (path.isEmpty()) {
	// try for an uncompressed svg file
	const QString svgName = name % QLatin1Literal(".svg");
	path = d->findInTheme(svgName, d->themeName);

	// search in fallback themes if necessary
	for (int i = 0; path.isEmpty() && i < d->fallbackThemes.count(); ++i) {
	if (d->themeName == d->fallbackThemes[i]) {
	continue;
	}

	// try a compressed svg file in the fallback theme
	path = d->findInTheme(svgzName, d->fallbackThemes[i]);

	if (path.isEmpty()) {
	// try an uncompressed svg file in the fallback theme
	path = d->findInTheme(svgName, d->fallbackThemes[i]);
	}
	}
	}

	/*
	if (path.isEmpty()) {
	kDebug() << "Theme says: bad image path " << name;
	}
	*/

	return path;
	}

	QString Theme::styleSheet(const QString &css) const
	{
	return d->processStyleSheet(css);
	}

	QString Theme::animationPath(const QString &name) const
	{
	const QString path = d->animationMapping.value(name);
	if (path.isEmpty()) {
	//kError() << "****** FAILED TO FIND IN MAPPING!";
	return path;
	}

	return KStandardDirs::locate("data", path);
	}

	QString Theme::wallpaperPath(const QSize &size) const
	{
	QString fullPath;
	QString image = d->defaultWallpaperTheme;

	image.append("/contents/images/%1x%2").append(d->defaultWallpaperSuffix);
	QString defaultImage = image.arg(d->defaultWallpaperWidth).arg(d->defaultWallpaperHeight);

	if (size.isValid()) {
	// try to customize the paper to the size requested
	//TODO: this should do better than just fallback to the default size.
	// a "best fit" matching would be far better, so we don't end
	// up returning a 1920x1200 wallpaper for a 640x480 request ;)
	image = image.arg(size.width()).arg(size.height());
	} else {
	image = defaultImage;
	}

	//TODO: the theme's wallpaper overrides regularly installed wallpapers.
	// should it be possible for user installed (e.g. locateLocal) wallpapers
	// to override the theme?
	if (d->hasWallpapers) {
	// check in the theme first
	fullPath = d->findInTheme(QLatin1Literal("wallpapers/") % image, d->themeName);

	if (fullPath.isEmpty()) {
	fullPath = d->findInTheme(QLatin1Literal("wallpapers/") % defaultImage, d->themeName);
	}
	}

	if (fullPath.isEmpty()) {
	// we failed to find it in the theme, so look in the standard directories
	//kDebug() << "looking for" << image;
	fullPath = KStandardDirs::locate("wallpaper", image);
	}

	if (fullPath.isEmpty()) {
	// we still failed to find it in the theme, so look for the default in
	// the standard directories
	//kDebug() << "looking for" << defaultImage;
	fullPath = KStandardDirs::locate("wallpaper", defaultImage);

	if (fullPath.isEmpty()) {
	kDebug() << "exhausted every effort to find a wallpaper.";
	}
	}

	return fullPath;
	}

	bool Theme::currentThemeHasImage(const QString &name) const
	{
	if (name.contains("../")) {
	// we don't support relative paths
	return false;
	}

	return !(d->findInTheme(name % QLatin1Literal(".svgz"), d->themeName, false).isEmpty()) \|\|
	!(d->findInTheme(name % QLatin1Literal(".svg"), d->themeName, false).isEmpty());
	}

	KSharedConfigPtr Theme::colorScheme() const
	{
	return d->colors;
	}

	QColor Theme::color(ColorRole role) const
	{
	switch (role) {
	case TextColor:
	return d->colorScheme.foreground(KColorScheme::NormalText).color();

	case HighlightColor:
	return d->colorScheme.decoration(KColorScheme::HoverColor).color();

	case BackgroundColor:
	return d->colorScheme.background(KColorScheme::NormalBackground).color();

	case ButtonTextColor:
	return d->buttonColorScheme.foreground(KColorScheme::NormalText).color();

	case ButtonBackgroundColor:
	return d->buttonColorScheme.background(KColorScheme::NormalBackground).color();

	case ButtonHoverColor:
	return d->buttonColorScheme.decoration(KColorScheme::HoverColor).color();

	case ButtonFocusColor:
	return d->buttonColorScheme.decoration(KColorScheme::FocusColor).color();

	case ViewTextColor:
	return d->viewColorScheme.foreground(KColorScheme::NormalText).color();

	case ViewBackgroundColor:
	return d->viewColorScheme.background(KColorScheme::NormalBackground).color();

	case ViewHoverColor:
	return d->viewColorScheme.decoration(KColorScheme::HoverColor).color();

	case ViewFocusColor:
	return d->viewColorScheme.decoration(KColorScheme::FocusColor).color();

	case LinkColor:
	return d->viewColorScheme.foreground(KColorScheme::LinkText).color();

	case VisitedLinkColor:
	return d->viewColorScheme.foreground(KColorScheme::VisitedText).color();
	}

	return QColor();
	}

	void Theme::setFont(const QFont &font, FontRole role)
	{
	Q_UNUSED(role)
	d->generalFont = font;
	}

	QFont Theme::font(FontRole role) const
	{
	switch (role) {
	case DesktopFont: {
	KConfigGroup cg(KGlobal::config(), "General");
	return cg.readEntry("desktopFont", d->generalFont);
	}
	break;

	case DefaultFont:
	default:
	return d->generalFont;
	break;

	case SmallestFont:
	return KGlobalSettings::smallestReadableFont();
	break;
	}

	return d->generalFont;
	}

	QFontMetrics Theme::fontMetrics() const
	{
	//TODO: allow this to be overridden with a plasma specific font?
	return QFontMetrics(d->generalFont);
	}

	bool Theme::windowTranslucencyEnabled() const
	{
	return d->compositingActive;
	}

	void Theme::setUseGlobalSettings(bool useGlobal)
	{
	if (d->useGlobal == useGlobal) {
	return;
	}

	d->useGlobal = useGlobal;
	d->cfg = KConfigGroup();
	d->themeName.clear();
	settingsChanged();
	}

	bool Theme::useGlobalSettings() const
	{
	return d->useGlobal;
	}

	bool Theme::useNativeWidgetStyle() const
	{
	return d->useNativeWidgetStyle;
	}

	bool Theme::findInCache(const QString &key, QPixmap &pix)
	{
	if (d->useCache()) {
	const QString id = d->keysToCache.value(key);
	if (d->pixmapsToCache.contains(id)) {
	pix = d->pixmapsToCache.value(id);
	return !pix.isNull();
	}

	QPixmap temp;
	if (d->pixmapCache->findPixmap(key, &temp) && !temp.isNull()) {
	pix = temp;
	return true;
	}
	}

	return false;
	}

	// BIC FIXME: Should be merged with the other findInCache method above when we break BC
	bool Theme::findInCache(const QString &key, QPixmap &pix, unsigned int lastModified)
	{
	if (d->useCache() && lastModified > uint(d->pixmapCache->lastModifiedTime())) {
	return false;
	}

	return findInCache(key, pix);
	}

	void Theme::insertIntoCache(const QString& key, const QPixmap& pix)
	{
	if (d->useCache()) {
	d->pixmapCache->insertPixmap(key, pix);
	}
	}

	void Theme::insertIntoCache(const QString& key, const QPixmap& pix, const QString& id)
	{
	if (d->useCache()) {
	d->pixmapsToCache.insert(id, pix);

	if (d->idsToCache.contains(id)) {
	d->keysToCache.remove(d->idsToCache[id]);
	}

	d->keysToCache.insert(key, id);
	d->idsToCache.insert(id, key);
	d->saveTimer->start();
	}
	}

	bool Theme::findInRectsCache(const QString &image, const QString &element, QRectF &rect) const
	{
	if (!d->svgElementsCache) {
	return false;
	}

	KConfigGroup imageGroup(d->svgElementsCache, image);
	rect = imageGroup.readEntry(element % QLatin1Literal("Size"), QRectF());

	if (rect.isValid()) {
	return true;
	}

	//Name starting by _ means the element is empty and we're asked for the size of
	//the whole image, so the whole image is never invalid
	if (element.indexOf('_') <= 0) {
	return false;
	}

	bool invalid = false;

	QHash<QString, QSet<QString> >::iterator it = d->invalidElements.find(image);
	if (it == d->invalidElements.end()) {
	QSet<QString> elements = imageGroup.readEntry("invalidElements", QStringList()).toSet();
	d->invalidElements.insert(image, elements);
	invalid = elements.contains(element);
	} else {
	invalid = it.value().contains(element);
	}

	return invalid;
	}

	QStringList Theme::listCachedRectKeys(const QString &image) const
	{
	if (!d->svgElementsCache) {
	return QStringList();
	}

	KConfigGroup imageGroup(d->svgElementsCache, image);
	QStringList keys = imageGroup.keyList();

	QMutableListIterator<QString> i(keys);
	while (i.hasNext()) {
	QString key = i.next();
	if (key.endsWith("Size")) {
	// The actual cache id used from outside doesn't end on "Size".
	key.resize(key.size() - 4);
	i.setValue(key);
	} else {
	i.remove();
	}
	}
	return keys;
	}

	void Theme::insertIntoRectsCache(const QString& image, const QString &element, const QRectF &rect)
	{
	if (!d->svgElementsCache) {
	return;
	}

	if (rect.isValid()) {
	KConfigGroup imageGroup(d->svgElementsCache, image);
	imageGroup.writeEntry(element % QLatin1Literal("Size"), rect);
	} else {
	QHash<QString, QSet<QString> >::iterator it = d->invalidElements.find(image);
	if (it == d->invalidElements.end()) {
	d->invalidElements[image].insert(element);
	} else if (!it.value().contains(element)) {
	if (it.value().count() > 1000) {
	it.value().erase(it.value().begin());
	}

	it.value().insert(element);
	}
	}
	}

	void Theme::invalidateRectsCache(const QString& image)
	{
	if (d->svgElementsCache) {
	KConfigGroup imageGroup(d->svgElementsCache, image);
	imageGroup.deleteGroup();
	}

	d->invalidElements.remove(image);
	}

	void Theme::releaseRectsCache(const QString &image)
	{
	QHash<QString, QSet<QString> >::iterator it = d->invalidElements.find(image);
	if (it != d->invalidElements.end()) {
	if (!d->svgElementsCache) {
	KConfigGroup imageGroup(d->svgElementsCache, it.key());
	imageGroup.writeEntry("invalidElements", it.value().toList());
	}

	d->invalidElements.erase(it);
	}
	}

	void Theme::setCacheLimit(int kbytes)
	{
	Q_UNUSED(kbytes)
	if (d->useCache()) {
	;
	// Too late for you bub.
	// d->pixmapCache->setCacheLimit(kbytes);
	}
	}

	KUrl Theme::homepage() const
	{
	const QString metadataPath(KStandardDirs::locate("data", QLatin1Literal("desktoptheme/") % d->themeName % QLatin1Literal("/metadata.desktop")));
	KConfig metadata(metadataPath);
	KConfigGroup brandConfig(&metadata, "Branding");
	return brandConfig.readEntry("homepage", KUrl("http://www.kde.org"));
	}

	int Theme::toolTipDelay() const
	{
	return d->toolTipDelay;
	}

	}

	#include <theme.moc>

File Metadata

Mime Type: text/x-diff
Expires: Fri, Nov 1, 7:55 AM (1 d, 3 h)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 10074585
Default Alt Text: (36 KB)

No OneTemporaryActions

View Options

File Metadata

Event Timeline

No OneTemporary
Actions