plasma-workspace/gmenu-dbusmenu-proxy/icons.cpp

/*
 * Copyright (C) 2018 Kai Uwe Broulik <kde@privat.broulik.de>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include "icons.h"

#include <QHash>

QString Icons::actionIcon(const QString &actionName)
{
    QString icon;

    QString action = actionName;

    if (action.isEmpty()) {
        return icon;
    }

    static QHash<QString, QString> s_icons {
        {QStringLiteral("new-window"), QStringLiteral("window-new")},
        {QStringLiteral("new-tab"), QStringLiteral("tab-new")},
        {QStringLiteral("open"), QStringLiteral("document-open")},
        {QStringLiteral("save"), QStringLiteral("document-save")},
        {QStringLiteral("save-as"), QStringLiteral("document-save-as")},
        {QStringLiteral("save-all"), QStringLiteral("document-save-all")},
        {QStringLiteral("export"), QStringLiteral("document-export")},
        {QStringLiteral("print"), QStringLiteral("document-print")},
        {QStringLiteral("close"), QStringLiteral("document-close")},
        {QStringLiteral("close-all"), QStringLiteral("document-close")},
        {QStringLiteral("quit"), QStringLiteral("application-exit")},

        {QStringLiteral("undo"), QStringLiteral("edit-undo")},
        {QStringLiteral("redo"), QStringLiteral("edit-redo")},
        {QStringLiteral("revert"), QStringLiteral("document-revert")},
        {QStringLiteral("cut"), QStringLiteral("edit-cut")},
        {QStringLiteral("copy"), QStringLiteral("edit-copy")},
        {QStringLiteral("paste"), QStringLiteral("edit-paste")},
        {QStringLiteral("duplicate"), QStringLiteral("edit-duplicate")},

        {QStringLiteral("preferences"), QStringLiteral("settings-configure")},

        {QStringLiteral("fullscreen"), QStringLiteral("view-fullscreen")},

        {QStringLiteral("find"), QStringLiteral("edit-find")},
        {QStringLiteral("replace"), QStringLiteral("edit-find-replace")},
        {QStringLiteral("select-all"), QStringLiteral("edit-select-all")},
        {QStringLiteral("selectall"), QStringLiteral("edit-select-all")},

        {QStringLiteral("increasesize"), QStringLiteral("zoom-in")},
        {QStringLiteral("decreasesize"), QStringLiteral("zoom-out")},
        {QStringLiteral("zoomfit"), QStringLiteral("zoom-fit-best")},

        {QStringLiteral("rotateclockwise"), QStringLiteral("object-rotate-right")},
        {QStringLiteral("rotatecounterclockwise"), QStringLiteral("object-rotate-left")},
        {QStringLiteral("fliphorizontally"), QStringLiteral("object-flip-horizontal")},
        {QStringLiteral("flipvertically"), QStringLiteral("object-flip-vertical")},

        {QStringLiteral("slideshow"), QStringLiteral("media-playback-start")}, // Gwenview uses this icon for that
        {QStringLiteral("playvideo"), QStringLiteral("media-playback-start")},

        {QStringLiteral("addtags"), QStringLiteral("tag-new")},
        {QStringLiteral("newevent"), QStringLiteral("appointment-new")},

        {QStringLiteral("previous-document"), QStringLiteral("go-previous")},
        {QStringLiteral("prevphoto"), QStringLiteral("go-previous")},
        {QStringLiteral("next-document"), QStringLiteral("go-next")},
        {QStringLiteral("nextphoto"), QStringLiteral("go-next")},

        {QStringLiteral("redeye"), QStringLiteral("redeyes")},
        {QStringLiteral("crop"), QStringLiteral("transform-crop")},
        {QStringLiteral("flag"), QStringLiteral("flag-red")}, // is there a "mark" or "important" icon that isn't email?

        {QStringLiteral("help"), QStringLiteral("help-contents")},
        {QStringLiteral("helpcontents"), QStringLiteral("help-contents")},
        {QStringLiteral("helpreportproblem"), QStringLiteral("tools-report-bug")},
        {QStringLiteral("about"), QStringLiteral("help-about")},

        {QStringLiteral("emptytrash"), QStringLiteral("trash-empty")},
        {QStringLiteral("movetotrash"), QStringLiteral("user-trash-symbolic")}
    };

    icon = s_icons.value(action);

    if (icon.isEmpty()) {
        const int dotIndex = action.indexOf(QLatin1Char('.')); // app., win., or unity. prefix
        if (dotIndex > 0) {
            action = action.mid(dotIndex + 1);
        }

        icon = s_icons.value(action);
    }

    if (icon.isEmpty()) {
        static const auto s_commonPrefix = QStringLiteral("Common");
        if (action.startsWith(s_commonPrefix)) {
            action = action.mid(s_commonPrefix.length());
        }

        icon = s_icons.value(action);
    }

    if (icon.isEmpty()) {
        static const auto s_unoPrefix = QStringLiteral(".uno:"); // LibreOffice with appmenu-gtk
        if (action.startsWith(s_unoPrefix)) {
            action = action.mid(s_unoPrefix.length());
        }

        icon = s_icons.value(action);
    }

    if (icon.isEmpty()) {
        action = action.toLower();
        icon = s_icons.value(action);
    }

    return icon;
}