196 lines
4.6 KiB
C++
196 lines
4.6 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 <KColorScheme>
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#include <KConfigGroup>
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#include <KDebug>
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#include <KSharedConfig>
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#include <KStandardDirs>
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namespace Plasma
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{
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class Theme::Private
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{
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public:
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Private()
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{
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generalFont = QApplication::font();
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}
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KConfigGroup config()
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{
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QString groupName = "Theme";
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if (!app.isEmpty() && app != "plasma") {
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groupName.append("-").append(app);
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}
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KSharedConfigPtr config = KSharedConfig::openConfig("plasmarc");
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return KConfigGroup(config, groupName);
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}
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QString themeName;
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QString app;
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KSharedConfigPtr colors;
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QFont generalFont;
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};
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class ThemeSingleton
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{
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public:
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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::self()
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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 Private)
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{
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settingsChanged();
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}
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Theme::~Theme()
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{
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d->config().writeEntry("name", d->themeName);
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delete d;
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}
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void Theme::setApplication(const QString &appname)
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{
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if (d->app != appname) {
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d->app = appname;
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settingsChanged();
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}
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}
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void Theme::settingsChanged()
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{
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setThemeName(d->config().readEntry("name", "default"));
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}
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void Theme::setThemeName(const QString &themeName)
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{
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if (themeName.isEmpty() || themeName == d->themeName) {
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// let's try and get the default theme at least
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if (d->themeName.isEmpty()) {
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setThemeName("default");
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}
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return;
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}
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//TODO: should we care about names with relative paths in them?
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QString themePath = KStandardDirs::locate("data", "desktoptheme/" + themeName + "/");
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if (themePath.isEmpty()) {
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// let's try and get the default theme at least
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if (d->themeName.isEmpty() && themeName != "default") {
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setThemeName("default");
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}
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return;
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}
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d->themeName = themeName;
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// load the color scheme config
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themePath = themePath.append("colors");
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if (QFile::exists(themePath)) {
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d->colors = KSharedConfig::openConfig(themePath);
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} else {
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d->colors = 0;
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}
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emit changed();
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}
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QString Theme::themeName() const
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{
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return d->themeName;
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}
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QString Theme::image( const QString& name ) const
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{
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//TODO: performance ... should we try and cache the results of KStandardDirs::locate?
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// should we just use whatever theme path was returned and not care about cascades?
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// (probably "no" on the last question)
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QString search = "desktoptheme/" + d->themeName + '/' + name + ".svg";
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QString path = KStandardDirs::locate( "data", search );
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if (path.isEmpty()) {
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if (d->themeName != "default") {
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search = "desktoptheme/default/" + name + ".svg";
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path = KStandardDirs::locate("data", search);
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}
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if (path.isEmpty()) {
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kDebug() << "Theme says: bad image path " << name
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<< "; looked in: " << search << endl;
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}
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}
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return path;
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}
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KSharedConfigPtr Theme::colors() const
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{
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return d->colors;
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}
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QColor Theme::textColor() const
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{
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KColorScheme colors(QPalette::Active, KColorScheme::Window, Theme::self()->colors());
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return colors.foreground(KColorScheme::NormalText).color();
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}
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QColor Theme::backgroundColor() const
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{
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KColorScheme colors(QPalette::Active, KColorScheme::Window, Theme::self()->colors());
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return colors.background().color();
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}
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void Theme::setFont(const QFont &font)
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{
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d->generalFont = font;
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}
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QFont Theme::font() const
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{
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//TODO: allow this to be overridden with a plasma specific font?
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return d->generalFont;
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}
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QFontMetrics Theme::fontMetrics() const
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{
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//TODO: allow this to be overridden with a plasma specific font?
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return QFontMetrics(d->generalFont);
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}
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}
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#include <theme.moc>
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