1070 lines
33 KiB
C++
1070 lines
33 KiB
C++
/*
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* Copyright 2006-2007 Aaron Seigo <aseigo@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 "theme.h"
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#include <QApplication>
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#include <QFile>
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#include <QFileInfo>
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#include <QMutableListIterator>
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#include <QPair>
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#include <QStringBuilder>
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#include <QTimer>
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#ifdef Q_WS_X11
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#include <QX11Info>
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#include "private/effectwatcher_p.h"
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#endif
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#include <kcolorscheme.h>
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#include <kcomponentdata.h>
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#include <kconfiggroup.h>
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#include <kdebug.h>
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#include <kdirwatch.h>
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#include <kglobal.h>
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#include <kglobalsettings.h>
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#include <kmanagerselection.h>
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#include <kimagecache.h>
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#include <ksharedconfig.h>
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#include <kstandarddirs.h>
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#include <kwindoweffects.h>
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#include <kwindowsystem.h>
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#include "libplasma-theme-global.h"
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#include "private/packages_p.h"
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namespace Plasma
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{
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//NOTE: Default wallpaper can be set from the theme configuration
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#define DEFAULT_WALLPAPER_THEME "default"
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#define DEFAULT_WALLPAPER_SUFFIX ".png"
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static const int DEFAULT_WALLPAPER_WIDTH = 1920;
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static const int DEFAULT_WALLPAPER_HEIGHT = 1200;
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enum styles {
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DEFAULTSTYLE,
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SVGSTYLE
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};
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enum CacheType {
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NoCache = 0,
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PixmapCache = 1,
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SvgElementsCache = 2
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};
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Q_DECLARE_FLAGS(CacheTypes, CacheType)
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Q_DECLARE_OPERATORS_FOR_FLAGS(CacheTypes)
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class ThemePrivate
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{
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public:
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ThemePrivate(Theme *theme)
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: q(theme),
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colorScheme(QPalette::Active, KColorScheme::Window, KSharedConfigPtr(0)),
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buttonColorScheme(QPalette::Active, KColorScheme::Button, KSharedConfigPtr(0)),
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viewColorScheme(QPalette::Active, KColorScheme::View, KSharedConfigPtr(0)),
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defaultWallpaperTheme(DEFAULT_WALLPAPER_THEME),
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defaultWallpaperSuffix(DEFAULT_WALLPAPER_SUFFIX),
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defaultWallpaperWidth(DEFAULT_WALLPAPER_WIDTH),
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defaultWallpaperHeight(DEFAULT_WALLPAPER_HEIGHT),
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pixmapCache(0),
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cachesToDiscard(NoCache),
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locolor(false),
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compositingActive(KWindowSystem::self()->compositingActive()),
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blurActive(false),
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isDefault(false),
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useGlobal(true),
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hasWallpapers(false),
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useNativeWidgetStyle(false)
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{
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generalFont = QApplication::font();
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ThemeConfig config;
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cacheTheme = config.cacheTheme();
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saveTimer = new QTimer(q);
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saveTimer->setSingleShot(true);
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saveTimer->setInterval(600);
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QObject::connect(saveTimer, SIGNAL(timeout()), q, SLOT(scheduledCacheUpdate()));
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updateNotificationTimer = new QTimer(q);
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updateNotificationTimer->setSingleShot(true);
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updateNotificationTimer->setInterval(500);
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QObject::connect(updateNotificationTimer, SIGNAL(timeout()), q, SLOT(notifyOfChanged()));
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if (QPixmap::defaultDepth() > 8) {
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QObject::connect(KWindowSystem::self(), SIGNAL(compositingChanged(bool)), q, SLOT(compositingChanged(bool)));
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#ifdef Q_WS_X11
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//watch for blur effect property changes as well
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if (!s_blurEffectWatcher) {
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s_blurEffectWatcher = new EffectWatcher("_KDE_NET_WM_BLUR_BEHIND_REGION");
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}
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QObject::connect(s_blurEffectWatcher, SIGNAL(effectChanged(bool)), q, SLOT(blurBehindChanged(bool)));
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#endif
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}
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}
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~ThemePrivate()
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{
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delete pixmapCache;
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}
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KConfigGroup &config()
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{
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if (!cfg.isValid()) {
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QString groupName = "Theme";
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if (!useGlobal) {
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QString app = KGlobal::mainComponent().componentName();
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if (!app.isEmpty()) {
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#ifndef NDEBUG
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kDebug() << "using theme for app" << app;
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#endif
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groupName.append("-").append(app);
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}
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}
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cfg = KConfigGroup(KSharedConfig::openConfig(themeRcFile), groupName);
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}
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return cfg;
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}
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QString findInTheme(const QString &image, const QString &theme, bool cache = true);
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void compositingChanged(bool active);
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void discardCache(CacheTypes caches);
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void scheduledCacheUpdate();
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void scheduleThemeChangeNotification(CacheTypes caches);
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void notifyOfChanged();
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void colorsChanged();
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void blurBehindChanged(bool blur);
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bool useCache();
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void settingsFileChanged(const QString &);
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void setThemeName(const QString &themeName, bool writeSettings);
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void onAppExitCleanup();
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void processWallpaperSettings(KConfigBase *metadata);
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const QString processStyleSheet(const QString &css);
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static const char *defaultTheme;
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static const char *systemColorsTheme;
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static const char *themeRcFile;
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#ifdef Q_WS_X11
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static EffectWatcher *s_blurEffectWatcher;
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#endif
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Theme *q;
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QString themeName;
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QList<QString> fallbackThemes;
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KSharedConfigPtr colors;
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KColorScheme colorScheme;
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KColorScheme buttonColorScheme;
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KColorScheme viewColorScheme;
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KConfigGroup cfg;
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QFont generalFont;
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QString defaultWallpaperTheme;
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QString defaultWallpaperSuffix;
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int defaultWallpaperWidth;
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int defaultWallpaperHeight;
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KImageCache *pixmapCache;
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KSharedConfigPtr svgElementsCache;
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QHash<QString, QSet<QString> > invalidElements;
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QHash<QString, QPixmap> pixmapsToCache;
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QHash<QString, QString> keysToCache;
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QHash<QString, QString> idsToCache;
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QHash<styles, QString> cachedStyleSheets;
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QHash<QString, QString> discoveries;
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QTimer *saveTimer;
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QTimer *updateNotificationTimer;
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int toolTipDelay;
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CacheTypes cachesToDiscard;
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bool locolor : 1;
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bool compositingActive : 1;
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bool blurActive : 1;
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bool isDefault : 1;
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bool useGlobal : 1;
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bool hasWallpapers : 1;
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bool cacheTheme : 1;
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bool useNativeWidgetStyle :1;
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};
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const char *ThemePrivate::defaultTheme = "default";
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const char *ThemePrivate::themeRcFile = "plasmarc";
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// the system colors theme is used to cache unthemed svgs with colorization needs
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// these svgs do not follow the theme's colors, but rather the system colors
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const char *ThemePrivate::systemColorsTheme = "internal-system-colors";
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#ifdef Q_WS_X11
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EffectWatcher *ThemePrivate::s_blurEffectWatcher = 0;
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#endif
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bool ThemePrivate::useCache()
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{
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if (cacheTheme && !pixmapCache) {
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ThemeConfig config;
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pixmapCache = new KImageCache("plasma_theme_" + themeName, config.themeCacheKb() * 1024);
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if (themeName != systemColorsTheme) {
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//check for expired cache
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// FIXME: when using the system colors, if they change while the application is not running
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// the cache should be dropped; we need a way to detect system color change when the
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// application is not running.
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QFile f(KStandardDirs::locate("data", "desktoptheme/" + themeName + "/metadata.desktop"));
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QFileInfo info(f);
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if (info.lastModified().toTime_t() > uint(pixmapCache->lastModifiedTime())) {
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pixmapCache->clear();
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}
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}
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}
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return cacheTheme;
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}
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void ThemePrivate::onAppExitCleanup()
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{
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pixmapsToCache.clear();
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delete pixmapCache;
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pixmapCache = 0;
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cacheTheme = false;
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}
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QString ThemePrivate::findInTheme(const QString &image, const QString &theme, bool cache)
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{
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if (cache && discoveries.contains(image)) {
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return discoveries[image];
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}
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QString search;
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if (locolor) {
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search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/locolor/") % image;
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search = KStandardDirs::locate("data", search);
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} else if (!compositingActive) {
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search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/opaque/") % image;
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search = KStandardDirs::locate("data", search);
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} else if (KWindowEffects::isEffectAvailable(KWindowEffects::BlurBehind)) {
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search = QLatin1Literal("desktoptheme/") % theme % QLatin1Literal("/translucent/") % image;
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search = KStandardDirs::locate("data", search);
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}
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//not found or compositing enabled
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if (search.isEmpty()) {
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search = QLatin1Literal("desktoptheme/") % theme % QLatin1Char('/') % image;
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search = KStandardDirs::locate("data", search);
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}
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if (cache && !search.isEmpty()) {
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discoveries.insert(image, search);
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}
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return search;
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}
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void ThemePrivate::compositingChanged(bool active)
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{
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#ifdef Q_WS_X11
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if (compositingActive != active) {
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compositingActive = active;
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//kDebug() << QTime::currentTime();
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scheduleThemeChangeNotification(PixmapCache | SvgElementsCache);
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}
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#endif
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}
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void ThemePrivate::discardCache(CacheTypes caches)
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{
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if (caches & PixmapCache) {
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pixmapsToCache.clear();
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saveTimer->stop();
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if (pixmapCache) {
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pixmapCache->clear();
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}
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} else {
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// This deletes the object but keeps the on-disk cache for later use
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delete pixmapCache;
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pixmapCache = 0;
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}
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cachedStyleSheets.clear();
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if (caches & SvgElementsCache) {
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discoveries.clear();
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invalidElements.clear();
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if (svgElementsCache) {
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QFile f(svgElementsCache->name());
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svgElementsCache = 0;
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f.remove();
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}
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const QString svgElementsFile = KStandardDirs::locateLocal("cache", "plasma-svgelements-" + themeName);
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svgElementsCache = KSharedConfig::openConfig(svgElementsFile);
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}
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}
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void ThemePrivate::scheduledCacheUpdate()
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{
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if (useCache()) {
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QHashIterator<QString, QPixmap> it(pixmapsToCache);
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while (it.hasNext()) {
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it.next();
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pixmapCache->insertPixmap(idsToCache[it.key()], it.value());
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}
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}
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pixmapsToCache.clear();
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keysToCache.clear();
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idsToCache.clear();
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}
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void ThemePrivate::colorsChanged()
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{
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colorScheme = KColorScheme(QPalette::Active, KColorScheme::Window, colors);
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buttonColorScheme = KColorScheme(QPalette::Active, KColorScheme::Button, colors);
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viewColorScheme = KColorScheme(QPalette::Active, KColorScheme::View, colors);
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scheduleThemeChangeNotification(PixmapCache);
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}
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void ThemePrivate::blurBehindChanged(bool blur)
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{
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if (blurActive != blur) {
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blurActive = blur;
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scheduleThemeChangeNotification(PixmapCache | SvgElementsCache);
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}
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}
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void ThemePrivate::scheduleThemeChangeNotification(CacheTypes caches)
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{
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cachesToDiscard |= caches;
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updateNotificationTimer->start();
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}
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void ThemePrivate::notifyOfChanged()
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{
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//kDebug() << cachesToDiscard;
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discardCache(cachesToDiscard);
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cachesToDiscard = NoCache;
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emit q->themeChanged();
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}
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const QString ThemePrivate::processStyleSheet(const QString &css)
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{
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QString stylesheet;
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if (css.isEmpty()) {
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stylesheet = cachedStyleSheets.value(DEFAULTSTYLE);
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if (stylesheet.isEmpty()) {
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stylesheet = QString("\n\
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body {\n\
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color: %textcolor;\n\
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font-size: %fontsize;\n\
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font-family: %fontfamily;\n\
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}\n\
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a:active { color: %activatedlink; }\n\
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a:link { color: %link; }\n\
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a:visited { color: %visitedlink; }\n\
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a:hover { color: %hoveredlink; text-decoration: none; }\n\
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");
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stylesheet = processStyleSheet(stylesheet);
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cachedStyleSheets.insert(DEFAULTSTYLE, stylesheet);
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}
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return stylesheet;
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} else if (css == "SVG") {
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stylesheet = cachedStyleSheets.value(SVGSTYLE);
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if (stylesheet.isEmpty()) {
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QString skel = ".ColorScheme-%1{color:%2;}";
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stylesheet += skel.arg("Text","%textcolor");
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stylesheet += skel.arg("Background","%backgroundcolor");
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stylesheet += skel.arg("ButtonText","%buttontextcolor");
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stylesheet += skel.arg("ButtonBackground","%buttonbackgroundcolor");
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stylesheet += skel.arg("ButtonHover","%buttonhovercolor");
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stylesheet += skel.arg("ButtonFocus","%buttonfocuscolor");
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stylesheet += skel.arg("ViewText","%viewtextcolor");
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stylesheet += skel.arg("ViewBackground","%viewbackgroundcolor");
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stylesheet += skel.arg("ViewHover","%viewhovercolor");
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stylesheet += skel.arg("ViewFocus","%viewfocuscolor");
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stylesheet = processStyleSheet(stylesheet);
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cachedStyleSheets.insert(SVGSTYLE, stylesheet);
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}
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return stylesheet;
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} else {
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stylesheet = css;
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}
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QHash<QString, QString> elements;
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// If you add elements here, make sure their names are sufficiently unique to not cause
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// clashes between element keys
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elements["%textcolor"] = q->color(Theme::TextColor).name();
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elements["%backgroundcolor"] = q->color(Theme::BackgroundColor).name();
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elements["%visitedlink"] = q->color(Theme::VisitedLinkColor).name();
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elements["%activatedlink"] = q->color(Theme::HighlightColor).name();
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elements["%hoveredlink"] = q->color(Theme::HighlightColor).name();
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elements["%link"] = q->color(Theme::LinkColor).name();
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elements["%buttontextcolor"] = q->color(Theme::ButtonTextColor).name();
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elements["%buttonbackgroundcolor"] = q->color(Theme::ButtonBackgroundColor).name();
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elements["%buttonhovercolor"] = q->color(Theme::ButtonHoverColor).name();
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elements["%buttonfocuscolor"] = q->color(Theme::ButtonFocusColor).name();
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elements["%viewtextcolor"] = q->color(Theme::ViewTextColor).name();
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elements["%viewbackgroundcolor"] = q->color(Theme::ViewBackgroundColor).name();
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elements["%viewhovercolor"] = q->color(Theme::ViewHoverColor).name();
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elements["%viewfocuscolor"] = q->color(Theme::ViewFocusColor).name();
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QFont font = q->font(Theme::DefaultFont);
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elements["%fontsize"] = QString("%1pt").arg(font.pointSize());
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elements["%fontfamily"] = font.family().split('[').first();
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elements["%smallfontsize"] = QString("%1pt").arg(KGlobalSettings::smallestReadableFont().pointSize());
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QHash<QString, QString>::const_iterator it = elements.constBegin();
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QHash<QString, QString>::const_iterator itEnd = elements.constEnd();
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for ( ; it != itEnd; ++it) {
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stylesheet.replace(it.key(), it.value());
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}
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return stylesheet;
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}
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class ThemeSingleton
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{
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public:
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ThemeSingleton()
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{
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self.d->isDefault = true;
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//FIXME: if/when kconfig gets change notification, this will be unnecessary
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KDirWatch::self()->addFile(KStandardDirs::locateLocal("config", ThemePrivate::themeRcFile));
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QObject::connect(KDirWatch::self(), SIGNAL(created(QString)), &self, SLOT(settingsFileChanged(QString)));
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QObject::connect(KDirWatch::self(), SIGNAL(dirty(QString)), &self, SLOT(settingsFileChanged(QString)));
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}
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Theme self;
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};
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K_GLOBAL_STATIC(ThemeSingleton, privateThemeSelf)
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Theme *Theme::defaultTheme()
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{
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return &privateThemeSelf->self;
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}
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Theme::Theme(QObject *parent)
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: QObject(parent),
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d(new ThemePrivate(this))
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{
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settingsChanged();
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if (QCoreApplication::instance()) {
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connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()),
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this, SLOT(onAppExitCleanup()));
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}
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}
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Theme::Theme(const QString &themeName, QObject *parent)
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: QObject(parent),
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d(new ThemePrivate(this))
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{
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// turn off caching so we don't accidently trigger unnecessary disk activity at this point
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bool useCache = d->cacheTheme;
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d->cacheTheme = false;
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setThemeName(themeName);
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d->cacheTheme = useCache;
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if (QCoreApplication::instance()) {
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connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()),
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this, SLOT(onAppExitCleanup()));
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}
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}
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Theme::~Theme()
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{
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if (d->svgElementsCache) {
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QHashIterator<QString, QSet<QString> > it(d->invalidElements);
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while (it.hasNext()) {
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it.next();
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KConfigGroup imageGroup(d->svgElementsCache, it.key());
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imageGroup.writeEntry("invalidElements", it.value().toList()); //FIXME: add QSet support to KConfig
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}
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}
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d->onAppExitCleanup();
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delete d;
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}
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KPluginInfo::List Theme::listThemeInfo()
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{
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const QStringList themes = KGlobal::dirs()->findAllResources("data", "desktoptheme/*/metadata.desktop",
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KStandardDirs::NoDuplicates);
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return KPluginInfo::fromFiles(themes);
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}
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void ThemePrivate::settingsFileChanged(const QString &file)
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{
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if (file.endsWith(themeRcFile)) {
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config().config()->reparseConfiguration();
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q->settingsChanged();
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|
}
|
|
}
|
|
|
|
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", 700);
|
|
}
|
|
|
|
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::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);
|
|
|
|
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);
|
|
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()) {
|
|
#ifndef NDEBUG
|
|
kDebug() << "Theme says: bad image path " << name;
|
|
#endif
|
|
}
|
|
*/
|
|
|
|
return path;
|
|
}
|
|
|
|
QString Theme::styleSheet(const QString &css) const
|
|
{
|
|
return d->processStyleSheet(css);
|
|
}
|
|
|
|
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()) {
|
|
#ifndef NDEBUG
|
|
kDebug() << "exhausted every effort to find a wallpaper.";
|
|
#endif
|
|
}
|
|
}
|
|
|
|
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(KSharedConfig::openConfig(), "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, unsigned int lastModified)
|
|
{
|
|
if (lastModified != 0 && d->useCache() && lastModified > uint(d->pixmapCache->lastModifiedTime())) {
|
|
return false;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
QUrl 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", QUrl("http://www.kde.org"));
|
|
}
|
|
|
|
int Theme::toolTipDelay() const
|
|
{
|
|
return d->toolTipDelay;
|
|
}
|
|
|
|
}
|
|
|
|
#include "moc_theme.cpp"
|