diff --git a/kcms/style/kcmstyle.cpp b/kcms/style/kcmstyle.cpp index 81ca5e228..4b296542d 100644 --- a/kcms/style/kcmstyle.cpp +++ b/kcms/style/kcmstyle.cpp @@ -1,714 +1,707 @@ /* * KCMStyle * Copyright (C) 2002 Karol Szwed * Copyright (C) 2002 Daniel Molkentin * Copyright (C) 2007 Urs Wolfer * Copyright (C) 2009 by Davide Bettio * Portions Copyright (C) 2007 Paolo Capriotti * Portions Copyright (C) 2007 Ivan Cukic * Portions Copyright (C) 2008 by Petri Damsten * Portions Copyright (C) 2000 TrollTech AS. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License version 2 as published by the Free Software Foundation. * * 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 General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "kcmstyle.h" #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) #include #endif #include "styleconfdialog.h" #include "ui_stylepreview.h" #include "ui_styleconfig.h" #include //#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) #include #endif #include "../krdb/krdb.h" #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) #include #endif // X11 namespace cleanup #undef Bool #undef Below #undef KeyPress #undef KeyRelease /**** DLL Interface for kcontrol ****/ #include #include K_PLUGIN_FACTORY(KCMStyleFactory, registerPlugin();) K_EXPORT_PLUGIN(KCMStyleFactory("kcmstyle")) extern "C" { Q_DECL_EXPORT void kcminit_style() { uint flags = KRdbExportQtSettings | KRdbExportGtkColors | KRdbExportQtColors | KRdbExportXftSettings | KRdbExportGtkTheme; KConfig _config( QStringLiteral("kcmdisplayrc"), KConfig::NoGlobals ); KConfigGroup config(&_config, "X11"); // This key is written by the "colors" module. bool exportKDEColors = config.readEntry("exportKDEColors", true); if (exportKDEColors) flags |= KRdbExportColors; runRdb( flags ); } } class StylePreview : public QWidget, public Ui::StylePreview { public: StylePreview(QWidget *parent = nullptr) : QWidget(parent) { setupUi(this); // Ensure that the user can't toy with the child widgets. // Method borrowed from Qt's qtconfig. QList widgets = findChildren(); foreach (QWidget* widget, widgets) { widget->installEventFilter(this); widget->setFocusPolicy(Qt::NoFocus); } } bool eventFilter( QObject* /* obj */, QEvent* ev ) override { switch( ev->type() ) { case QEvent::MouseButtonPress: case QEvent::MouseButtonRelease: case QEvent::MouseButtonDblClick: case QEvent::MouseMove: case QEvent::KeyPress: case QEvent::KeyRelease: case QEvent::Enter: case QEvent::Leave: case QEvent::Wheel: case QEvent::ContextMenu: return true; // ignore default: break; } return false; } }; class StyleConfig : public QWidget, public Ui::StyleConfig { public: StyleConfig(QWidget *parent = nullptr) : QWidget(parent) { setupUi(this); } }; QString KCMStyle::defaultStyle() { #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) return QStringLiteral("breeze"); #else return QString(); // native style #endif } KCMStyle::KCMStyle( QWidget* parent, const QVariantList& ) : KCModule( parent ), appliedStyle(nullptr) { setQuickHelp( i18n("This module allows you to modify the visual appearance " "of applications' user interface elements.")); m_bStyleDirty= false; m_bEffectsDirty = false; KGlobal::dirs()->addResourceType("themes", "data", "kstyle/themes"); KAboutData *about = new KAboutData( QStringLiteral("kcmstyle"), i18n("Application Style"), QStringLiteral("1.0"), QString(), KAboutLicense::GPL, i18n("(c) 2002 Karol Szwed, Daniel Molkentin")); about->addAuthor(i18n("Karol Szwed"), QString(), QStringLiteral("gallium@kde.org")); about->addAuthor(i18n("Daniel Molkentin"), QString(), QStringLiteral("molkentin@kde.org")); setAboutData( about ); // Setup mainLayout mainLayout = new QVBoxLayout( this ); mainLayout->setContentsMargins(0, 0, 0, 0); styleConfig = new StyleConfig(); QHBoxLayout *previewLayout = new QHBoxLayout(); QGroupBox *gbPreview = new QGroupBox( i18n( "Preview" ) ); QHBoxLayout *previewLayoutInner = new QHBoxLayout(gbPreview); previewLayout->setContentsMargins(0, 0, 0, 0); previewLayoutInner->setContentsMargins(0, 0, 0, 0); previewLayout->addStretch(); previewLayout->addWidget( gbPreview ); previewLayout->addStretch(); stylePreview = new StylePreview( gbPreview ); previewLayoutInner->addWidget( stylePreview ); mainLayout->addWidget( styleConfig ); mainLayout->addLayout( previewLayout ); mainLayout->addStretch(); connect( styleConfig->comboStyle, SIGNAL(activated(int)), this, SLOT(styleChanged()) ); connect( styleConfig->comboStyle, SIGNAL(activated(int)), this, SLOT(updateConfigButton()) ); connect( styleConfig->pbConfigStyle, &QAbstractButton::clicked, this, &KCMStyle::styleSpecificConfig ); connect( styleConfig->comboStyle, SIGNAL(activated(int)), this, SLOT(setStyleDirty()) ); connect( styleConfig->cbIconsOnButtons, &QAbstractButton::toggled, this, &KCMStyle::setEffectsDirty ); connect( styleConfig->cbIconsInMenus, &QAbstractButton::toggled, this, &KCMStyle::setEffectsDirty ); connect( styleConfig->comboToolbarIcons, SIGNAL(activated(int)), this, SLOT(setEffectsDirty()) ); connect( styleConfig->comboSecondaryToolbarIcons, SIGNAL(activated(int)), this, SLOT(setEffectsDirty()) ); addWhatsThis(); } KCMStyle::~KCMStyle() { qDeleteAll(styleEntries); delete appliedStyle; } void KCMStyle::updateConfigButton() { if (!styleEntries[currentStyle()] || styleEntries[currentStyle()]->configPage.isEmpty()) { styleConfig->pbConfigStyle->setEnabled(false); return; } // We don't check whether it's loadable here - // lets us report an error and not waste time // loading things if the user doesn't click the button styleConfig->pbConfigStyle->setEnabled( true ); } void KCMStyle::styleSpecificConfig() { QString libname = styleEntries[currentStyle()]->configPage; KLibrary library(libname); if (!library.load()) { KMessageBox::detailedError(this, i18n("There was an error loading the configuration dialog for this style."), library.errorString(), i18n("Unable to Load Dialog")); return; } KLibrary::void_function_ptr allocPtr = library.resolveFunction("allocate_kstyle_config"); if (!allocPtr) { KMessageBox::detailedError(this, i18n("There was an error loading the configuration dialog for this style."), library.errorString(), i18n("Unable to Load Dialog")); return; } //Create the container dialog StyleConfigDialog* dial = new StyleConfigDialog(this, styleEntries[currentStyle()]->name); typedef QWidget*(* factoryRoutine)( QWidget* parent ); //Get the factory, and make the widget. factoryRoutine factory = (factoryRoutine)(allocPtr); //Grmbl. So here I am on my //"never use C casts" moralizing streak, and I find that one can't go void* -> function ptr //even with a reinterpret_cast. QWidget* pluginConfig = factory( dial ); //Insert it in... dial->setMainWidget( pluginConfig ); //..and connect it to the wrapper connect(pluginConfig, SIGNAL(changed(bool)), dial, SLOT(setDirty(bool))); connect(dial, SIGNAL(defaults()), pluginConfig, SLOT(defaults())); connect(dial, SIGNAL(save()), pluginConfig, SLOT(save())); if (dial->exec() == QDialog::Accepted && dial->isDirty() ) { // Force re-rendering of the preview, to apply settings switchStyle(currentStyle(), true); //For now, ask all KDE apps to recreate their styles to apply the setitngs KGlobalSettings::self()->emitChange(KGlobalSettings::StyleChanged); // We call setStyleDirty here to make sure we force style re-creation setStyleDirty(); } delete dial; } void KCMStyle::changeEvent( QEvent *event ) { KCModule::changeEvent( event ); if ( event->type() == QEvent::PaletteChange ) { // Force re-rendering of the preview, to apply new palette switchStyle(currentStyle(), true); } } void KCMStyle::load() { KConfig config( QStringLiteral("kdeglobals"), KConfig::FullConfig ); loadStyle( config ); loadEffects( config ); m_bStyleDirty= false; m_bEffectsDirty = false; //Enable/disable the button for the initial style updateConfigButton(); emit changed( false ); } void KCMStyle::save() { // Don't do anything if we don't need to. if ( !(m_bStyleDirty | m_bEffectsDirty ) ) return; // Save effects. KConfig _config(QStringLiteral("kdeglobals"), KConfig::NoGlobals); KConfigGroup config(&_config, "KDE"); // Effects page config.writeEntry( "ShowIconsOnPushButtons", styleConfig->cbIconsOnButtons->isChecked()); config.writeEntry( "ShowIconsInMenuItems", styleConfig->cbIconsInMenus->isChecked()); config.writeEntry("widgetStyle", currentStyle()); KConfigGroup toolbarStyleGroup(&_config, "Toolbar style"); toolbarStyleGroup.writeEntry("ToolButtonStyle", toolbarButtonText(styleConfig->comboToolbarIcons->currentIndex())); toolbarStyleGroup.writeEntry("ToolButtonStyleOtherToolbars", toolbarButtonText(styleConfig->comboSecondaryToolbarIcons->currentIndex())); _config.sync(); // Export the changes we made to qtrc, and update all qt-only // applications on the fly, ensuring that we still follow the user's // export fonts/colors settings. if (m_bStyleDirty || m_bEffectsDirty) // Export only if necessary { uint flags = KRdbExportQtSettings | KRdbExportGtkTheme; KConfig _kconfig( QStringLiteral("kcmdisplayrc"), KConfig::NoGlobals ); KConfigGroup kconfig(&_kconfig, "X11"); bool exportKDEColors = kconfig.readEntry("exportKDEColors", true); if (exportKDEColors) flags |= KRdbExportColors; runRdb( flags ); } // Now allow KDE apps to reconfigure themselves. if ( m_bStyleDirty ) KGlobalSettings::self()->emitChange(KGlobalSettings::StyleChanged); if ( m_bEffectsDirty ) { KGlobalSettings::self()->emitChange(KGlobalSettings::SettingsChanged, KGlobalSettings::SETTINGS_STYLE); // ##### FIXME - Doesn't apply all settings correctly due to bugs in // KApplication/KToolbar KGlobalSettings::self()->emitChange(KGlobalSettings::ToolbarStyleChanged); - -#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) - // Send signal to all kwin instances - QDBusMessage message = - QDBusMessage::createSignal(QStringLiteral("/KWin"), QStringLiteral("org.kde.KWin"), QStringLiteral("reloadConfig")); - QDBusConnection::sessionBus().send(message); -#endif } // Clean up m_bStyleDirty = false; m_bEffectsDirty = false; emit changed( false ); } bool KCMStyle::findStyle( const QString& str, int& combobox_item ) { StyleEntry* se = styleEntries[str.toLower()]; QString name = se ? se->name : str; combobox_item = 0; //look up name for( int i = 0; i < styleConfig->comboStyle->count(); i++ ) { if ( styleConfig->comboStyle->itemText(i) == name ) { combobox_item = i; return true; } } return false; } void KCMStyle::defaults() { // Select default style int item = 0; bool found; found = findStyle( defaultStyle(), item ); if (!found) found = findStyle( QStringLiteral("oxygen"), item ); if (!found) found = findStyle( QStringLiteral("plastique"), item ); if (!found) found = findStyle( QStringLiteral("windows"), item ); if (!found) found = findStyle( QStringLiteral("platinum"), item ); if (!found) found = findStyle( QStringLiteral("motif"), item ); styleConfig->comboStyle->setCurrentIndex( item ); m_bStyleDirty = true; switchStyle( currentStyle() ); // make resets visible // Effects styleConfig->comboToolbarIcons->setCurrentIndex(toolbarButtonIndex(QStringLiteral("TextBesideIcon"))); styleConfig->comboSecondaryToolbarIcons->setCurrentIndex(toolbarButtonIndex(QStringLiteral("TextBesideIcon"))); styleConfig->cbIconsOnButtons->setChecked(true); styleConfig->cbIconsInMenus->setChecked(true); emit changed(true); emit updateConfigButton(); } void KCMStyle::setEffectsDirty() { m_bEffectsDirty = true; emit changed(true); } void KCMStyle::setStyleDirty() { m_bStyleDirty = true; emit changed(true); } // ---------------------------------------------------------------- // All the Style Switching / Preview stuff // ---------------------------------------------------------------- void KCMStyle::loadStyle( KConfig& config ) { styleConfig->comboStyle->clear(); // Create a dictionary of WidgetStyle to Name and Desc. mappings, // as well as the config page info qDeleteAll(styleEntries); styleEntries.clear(); QString strWidgetStyle; QStringList list = KGlobal::dirs()->findAllResources("themes", QStringLiteral("*.themerc"), KStandardDirs::Recursive | KStandardDirs::NoDuplicates); for (QStringList::iterator it = list.begin(); it != list.end(); ++it) { KConfig config( *it, KConfig::SimpleConfig); if ( !(config.hasGroup("KDE") && config.hasGroup("Misc")) ) continue; KConfigGroup configGroup = config.group("KDE"); strWidgetStyle = configGroup.readEntry("WidgetStyle"); if (strWidgetStyle.isNull()) continue; // We have a widgetstyle, so lets read the i18n entries for it... StyleEntry* entry = new StyleEntry; configGroup = config.group("Misc"); entry->name = configGroup.readEntry("Name"); entry->desc = configGroup.readEntry("Comment", i18n("No description available.")); entry->configPage = configGroup.readEntry("ConfigPage", QString()); // Check if this style should be shown configGroup = config.group("Desktop Entry"); entry->hidden = configGroup.readEntry("Hidden", false); // Insert the entry into our dictionary. styleEntries.insert(strWidgetStyle.toLower(), entry); } // Obtain all style names QStringList allStyles = QStyleFactory::keys(); // Get translated names, remove all hidden style entries. QStringList styles; StyleEntry* entry; for (QStringList::iterator it = allStyles.begin(); it != allStyles.end(); ++it) { QString id = (*it).toLower(); // Find the entry. if ( (entry = styleEntries[id]) != nullptr ) { // Do not add hidden entries if (entry->hidden) continue; styles += entry->name; nameToStyleKey[entry->name] = id; } else { styles += (*it); //Fall back to the key (but in original case) nameToStyleKey[*it] = id; } } // Sort the style list, and add it to the combobox styles.sort(); styleConfig->comboStyle->addItems( styles ); // Find out which style is currently being used KConfigGroup configGroup = config.group( "KDE" ); QString defaultStyle = KCMStyle::defaultStyle(); QString cfgStyle = configGroup.readEntry( "widgetStyle", defaultStyle ); // Select the current style // Do not use comboStyle->listBox() as this may be NULL for some styles when // they use QPopupMenus for the drop-down list! // ##### Since Trolltech likes to seemingly copy & paste code, // QStringList::findItem() doesn't have a Qt::StringComparisonMode field. // We roll our own (yuck) cfgStyle = cfgStyle.toLower(); int item = 0; for( int i = 0; i < styleConfig->comboStyle->count(); i++ ) { QString id = nameToStyleKey[styleConfig->comboStyle->itemText(i)]; item = i; if ( id == cfgStyle ) // ExactMatch break; else if ( id.contains( cfgStyle ) ) break; else if ( id.contains( QApplication::style()->metaObject()->className() ) ) break; item = 0; } styleConfig->comboStyle->setCurrentIndex( item ); m_bStyleDirty = false; switchStyle( currentStyle() ); // make resets visible } QString KCMStyle::currentStyle() { return nameToStyleKey[styleConfig->comboStyle->currentText()]; } void KCMStyle::styleChanged() { switchStyle( currentStyle() ); } void KCMStyle::switchStyle(const QString& styleName, bool force) { // Don't flicker the preview if the same style is chosen in the cb if (!force && appliedStyle && appliedStyle->objectName() == styleName) return; // Create an instance of the new style... QStyle* style = QStyleFactory::create(styleName); if (!style) return; // Prevent Qt from wrongly caching radio button images QPixmapCache::clear(); setStyleRecursive( stylePreview, style ); // this flickers, but reliably draws the widgets correctly. stylePreview->resize( stylePreview->sizeHint() ); delete appliedStyle; appliedStyle = style; } void KCMStyle::setStyleRecursive(QWidget* w, QStyle* s) { // Don't let broken styles kill the palette // for other styles being previewed. (e.g SGI style) w->setPalette(QPalette()); QPalette newPalette(KGlobalSettings::createApplicationPalette()); s->polish( newPalette ); w->setPalette(newPalette); // Apply the new style. w->setStyle(s); // Recursively update all children. const QObjectList children = w->children(); // Apply the style to each child widget. foreach (QObject* child, children) { if (child->isWidgetType()) setStyleRecursive((QWidget *) child, s); } } // ---------------------------------------------------------------- // All the Effects stuff // ---------------------------------------------------------------- QString KCMStyle::toolbarButtonText(int index) { switch (index) { case 1: return QStringLiteral("TextOnly"); case 2: return QStringLiteral("TextBesideIcon"); case 3: return QStringLiteral("TextUnderIcon"); default: break; } return QStringLiteral("NoText"); } int KCMStyle::toolbarButtonIndex(const QString &text) { if (text == QLatin1String("TextOnly")) { return 1; } else if (text == QLatin1String("TextBesideIcon")) { return 2; } else if (text == QLatin1String("TextUnderIcon")) { return 3; } return 0; } QString KCMStyle::menuBarStyleText(int index) { switch (index) { case 1: return QStringLiteral("Decoration"); case 2: return QStringLiteral("Widget"); } return QStringLiteral("InApplication"); } int KCMStyle::menuBarStyleIndex(const QString &text) { if (text == QLatin1String("Decoration")) { return 1; } else if (text == QLatin1String("Widget")) { return 2; } return 0; } void KCMStyle::loadEffects( KConfig& config ) { // KDE's Part via KConfig KConfigGroup configGroup = config.group("Toolbar style"); QString tbIcon = configGroup.readEntry("ToolButtonStyle", "TextBesideIcon"); styleConfig->comboToolbarIcons->setCurrentIndex(toolbarButtonIndex(tbIcon)); tbIcon = configGroup.readEntry("ToolButtonStyleOtherToolbars", "TextBesideIcon"); styleConfig->comboSecondaryToolbarIcons->setCurrentIndex(toolbarButtonIndex(tbIcon)); configGroup = config.group("KDE"); styleConfig->cbIconsOnButtons->setChecked(configGroup.readEntry("ShowIconsOnPushButtons", true)); styleConfig->cbIconsInMenus->setChecked(configGroup.readEntry("ShowIconsInMenuItems", true)); m_bEffectsDirty = false; } void KCMStyle::addWhatsThis() { stylePreview->setWhatsThis( i18n("This area shows a preview of the currently selected style " "without having to apply it to the whole desktop.") ); styleConfig->comboStyle->setWhatsThis( i18n("Here you can choose from a list of" " predefined widget styles (e.g. the way buttons are drawn) which" " may or may not be combined with a theme (additional information" " like a marble texture or a gradient).") ); styleConfig->cbIconsOnButtons->setWhatsThis( i18n( "If you enable this option, applications will " "show small icons alongside some important buttons.") ); styleConfig->cbIconsInMenus->setWhatsThis( i18n( "If you enable this option, applications will " "show small icons alongside most menu items.") ); styleConfig->comboToolbarIcons->setWhatsThis( i18n( "

No text: Shows only icons on toolbar buttons. " "Best option for low resolutions.

" "

Text only: Shows only text on toolbar buttons.

" "

Text beside icons: Shows icons and text on toolbar buttons. " "Text is aligned beside the icon.

" "Text below icons: Shows icons and text on toolbar buttons. " "Text is aligned below the icon.") ); } #include "kcmstyle.moc" // vim: set noet ts=4: