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356 lines
9.2 KiB
356 lines
9.2 KiB
/* vi: ts=8 sts=4 sw=4
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*
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* This file is part of the KDE project, module tdecore.
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* Copyright (C) 2000 Geert Jansen <jansen@kde.org>
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* Antonio Larrosa <larrosa@kde.org>
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*
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* This is free software; it comes under the GNU Library General
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* Public License, version 2. See the file "COPYING.LIB" for the
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* exact licensing terms.
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*
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*/
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#ifndef __KIconTheme_h_Included__
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#define __KIconTheme_h_Included__
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#include <qstring.h>
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#include <qstringlist.h>
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#include <qptrlist.h>
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#include "kdelibs_export.h"
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class KConfig;
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//class KIconThemeDir;
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class KIconThemePrivate;
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class KIconPrivate;
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/**
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* One icon as found by KIconTheme. Also serves as a namespace containing
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* icon related constants.
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* @see KIconEffect
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* @see KIconTheme
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* @see KIconLoader
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*/
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class TDECORE_EXPORT KIcon
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{
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public:
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KIcon() { size = 0; }
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/**
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* Return true if this icon is valid, false otherwise.
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*/
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bool isValid() const { return size != 0; }
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/**
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* Defines the context of the icon.
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*/
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enum Context {
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Any, ///< Some icon with unknown purpose.
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Action, ///< An action icon (e.g. 'save', 'print').
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Application, ///< An icon that represents an application.
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Device, ///< An icon that represents a device.
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FileSystem, ///< An icon that represents a file system.
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MimeType ///< An icon that represents a mime type (or file type).
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};
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/**
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* The type of the icon.
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*/
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enum Type {
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Fixed, ///< Fixed-size icon.
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Scalable, ///< Scalable-size icon.
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Threshold ///< A threshold icon.
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};
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/**
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* The type of a match.
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*/
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enum MatchType {
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MatchExact, ///< Only try to find an exact match.
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MatchBest ///< Take the best match if there is no exact match.
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};
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// if you add a group here, make sure to change the config reading in
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// KIconLoader too
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/**
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* The group of the icon.
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*/
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enum Group {
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/// No group
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NoGroup=-1,
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/// Desktop icons
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Desktop=0,
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/// First group
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FirstGroup=0,
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/// Toolbar icons
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Toolbar,
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/// Main toolbar icons
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MainToolbar,
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/// Small icons
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Small,
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/// Panel (Kicker) icons
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Panel,
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/// Last group
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LastGroup,
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/// User icons
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User
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};
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/**
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* These are the standard sizes for icons.
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*/
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enum StdSizes {
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/// small icons for menu entries
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SizeSmall=16,
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/// slightly larger small icons for toolbars, panels, etc
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SizeSmallMedium=22,
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/// medium sized icons for the desktop
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SizeMedium=32,
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/// large sized icons for the panel
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SizeLarge=48,
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/// huge sized icons for iconviews
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SizeHuge=64,
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/// enormous sized icons for iconviews
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SizeEnormous=128
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};
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/**
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* Defines the possible states of an icon.
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*/
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enum States { DefaultState, ///< The default state.
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ActiveState, ///< Icon is active.
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DisabledState, ///< Icon is disabled.
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LastState ///< Last state (last constant)
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};
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/**
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* This defines an overlay, a semi-transparent image that is
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* projected onto the icon. They are used to show that the file
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* represented by the icon is, for example, locked, zipped or hidden.
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*/
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enum Overlays {
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LockOverlay=0x100, ///< a file is locked
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ZipOverlay=0x200, ///< a file is zipped
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LinkOverlay=0x400, ///< a file is a link
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HiddenOverlay=0x800, ///< a file is hidden
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ShareOverlay=0x1000, ///< a file is shared
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OverlayMask = ~0xff
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};
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/**
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* The size in pixels of the icon.
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*/
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int size;
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/**
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* The context of the icon.
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*/
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Context context;
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/**
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* The type of the icon: Fixed, Scalable or Threshold.
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**/
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Type type;
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/**
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* The threshold in case type == Threshold
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*/
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int threshold;
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/**
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* The full path of the icon.
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*/
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QString path;
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private:
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KIconPrivate *d;
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};
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inline KIcon::Group& operator++(KIcon::Group& group) { group = static_cast<KIcon::Group>(group+1); return group; }
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inline KIcon::Group operator++(KIcon::Group& group,int) { KIcon::Group ret = group; ++group; return ret; }
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/**
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* Class to use/access icon themes in KDE. This class is used by the
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* iconloader but can be used by others too.
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* @see KIconLoader
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*/
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class TDECORE_EXPORT KIconTheme
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{
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public:
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/**
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* Load an icon theme by name.
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* @param name the name of the theme (e.g. "hicolor" or "keramik")
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* @param appName the name of the application. Can be null. This argument
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* allows applications to have themed application icons.
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*/
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KIconTheme(const QString& name, const QString& appName=QString::null);
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~KIconTheme();
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/**
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* The stylized name of the icon theme.
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* @return the (human-readable) name of the theme
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*/
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QString name() const { return mName; }
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/**
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* A description for the icon theme.
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* @return a human-readable description of the theme, QString::null
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* if there is none
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*/
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QString description() const { return mDesc; }
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/**
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* Return the name of the "example" icon. This can be used to
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* present the theme to the user.
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* @return the name of the example icon, QString::null if there is none
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*/
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QString example() const;
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/**
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* Return the name of the screenshot.
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* @return the name of the screenshot, QString::null if there is none
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*/
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QString screenshot() const;
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/**
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* Returns the name of this theme's link overlay.
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* @return the name of the link overlay
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*/
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QString linkOverlay() const;
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/**
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* Returns the name of this theme's zip overlay.
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* @return the name of the zip overlay
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*/
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QString zipOverlay() const;
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/**
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* Returns the name of this theme's lock overlay.
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* @return the name of the lock overlay
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*/
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QString lockOverlay() const;
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/**
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* Returns the name of this theme's share overlay.
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* @return the name of the share overlay
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* @since 3.1
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*/
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QString shareOverlay () const;
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/**
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* Returns the toplevel theme directory.
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* @return the directory of the theme
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*/
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QString dir() const { return mDir; }
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/**
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* The themes this icon theme falls back on.
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* @return a list of icon themes that are used as fall-backs
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*/
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QStringList inherits() const { return mInherits; }
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/**
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* The icon theme exists?
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* @return true if the icon theme is valid
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*/
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bool isValid() const;
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/**
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* The icon theme should be hidden to the user?
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* @return true if the icon theme is hidden
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* @since 3.1
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*/
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bool isHidden() const;
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/**
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* The minimum display depth required for this theme. This can either
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* be 8 or 32.
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* @return the minimum bpp (8 or 32)
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*/
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int depth() const { return mDepth; }
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/**
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* The default size of this theme for a certain icon group.
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* @param group The icon group. See KIcon::Group.
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* @return The default size in pixels for the given icon group.
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*/
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int defaultSize(KIcon::Group group) const;
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/**
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* Query available sizes for a group.
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* @param group The icon group. See KIcon::Group.
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* @return a list of available sized for the given group
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*/
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QValueList<int> querySizes(KIcon::Group group) const;
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/**
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* Query available icons for a size and context.
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* @param size the size of the icons
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* @param context the context of the icons
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* @return the list of icon names
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*/
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QStringList queryIcons(int size, KIcon::Context context = KIcon::Any) const;
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/**
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* Query available icons for a context and preferred size.
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* @param size the size of the icons
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* @param context the context of the icons
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* @return the list of icon names
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*/
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QStringList queryIconsByContext(int size, KIcon::Context context = KIcon::Any) const;
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/**
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* Lookup an icon in the theme.
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* @param name The name of the icon, without extension.
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* @param size The desired size of the icon.
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* @param match The matching mode. KIcon::MatchExact returns an icon
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* only if matches exactly. KIcon::MatchBest returns the best matching
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* icon.
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* @return A KIcon class that describes the icon. If an icon is found,
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* @see KIcon::isValid will return true, and false otherwise.
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*/
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KIcon iconPath(const QString& name, int size, KIcon::MatchType match) const;
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/**
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* List all icon themes installed on the system, global and local.
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* @return the list of all icon themes
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*/
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static QStringList list();
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/**
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* Returns the current icon theme.
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* @return the name of the current theme
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*/
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static QString current();
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/**
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* Reconfigure the theme.
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*/
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static void reconfigure();
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/**
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* Returns the default icon theme.
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* @return the name of the default theme name
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* @since 3.1
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*/
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static QString defaultThemeName();
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private:
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int mDefSize[8];
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QValueList<int> mSizes[8];
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int mDepth;
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QString mDir, mName, mDesc;
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QStringList mInherits;
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// QPtrList<KIconThemeDir> mDirs;
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// KIconThemePrivate *d;
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static QString *_theme;
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static QStringList *_theme_list;
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};
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#endif
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