File indexing completed on 2022-09-27 16:29:11

0001 /**
0002  * SPDX-FileCopyrightText: (C) 2003 Sébastien Laoût <slaout@linux62.org>
0003  * SPDX-FileCopyrightText: (C) 2020 Carl Schwan <carl@carlschwan.eu>
0004  *
0005  * SPDX-License-Identifier: GPL-2.0-or-later
0006  */
0007 
0008 #pragma once
0009 
0010 #ifndef _WIN32
0011 
0012 #include <QObject>
0013 #include <QColor>
0014 
0015 /**
0016  * @brief This class allows to pick a color on the screen.
0017  *
0018  * Internally this class wrap the PickColor function from the
0019  * Screenshot xdg-portal and should work on X and wayland.
0020  *
0021  * @author Carl Schwan
0022  */
0023 class ColorPicker : public QObject
0024 {
0025     Q_OBJECT
0026 public:
0027     explicit ColorPicker(QObject *parent = nullptr);
0028     virtual ~ColorPicker() override = default;
0029 
0030 public Q_SLOTS:
0031     /**
0032      * Begin color picking.
0033      * This function returns immediately, and colorGrabbed() is emitted if user has
0034      * chosen a color, and not canceled the process (by pressing Escape).
0035      */
0036     void grabColor();
0037 
0038 Q_SIGNALS:
0039     /**
0040      * When user picked a color, this signal is emitted.
0041      */
0042     void colorGrabbed(const QColor &color);
0043 
0044 protected Q_SLOTS:
0045     void gotColorResponse(uint response, const QVariantMap& results);
0046 };
0047 
0048 #endif