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