ui/propertybrowser/OpacityEditor.h

0001 /* This file is part of the TikZKit project.
0002  *
0003  * Copyright (C) 2014 Dominik Haumann <dhaumann@kde.org>
0004  *
0005  * This library is free software; you can redistribute it and/or modify
0006  * it under the terms of the GNU Library General Public License as published
0007  * by the Free Software Foundation, either version 2 of the License, or
0008  * (at your option) any later version.
0009  *
0010  * This library is distributed in the hope that it will be useful,
0011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0013  * GNU Library General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU Library General Public License
0016  * along with this library; see the file COPYING.LIB.  If not, see
0017  * <http://www.gnu.org/licenses/>.
0018  */
0019
0020 #ifndef TIKZ_UI_OPACITY_EDITOR_H
0021 #define TIKZ_UI_OPACITY_EDITOR_H
0022
0023 #include <QWidget>
0024
0025 namespace tikz {
0026 namespace ui {
0027
0028 class OpacityEditorPrivate;
0029
0030 class OpacityEditor : public QWidget
0031 {
0032     Q_OBJECT
0033 public:
0034     OpacityEditor(QWidget * parent = nullptr);
0035     ~OpacityEditor();
0036
0037 public Q_SLOTS:
0038     /**
0039      * Sets the opacity of this editor to @p opacity.
0040      */
0041     void setValue(qreal opacity);
0042
0043     /**
0044      * Changes the editor to @p readOnly mode.
0045      */
0046     void setReadOnly(bool readOnly);
0047
0048 public:
0049     /**
0050      * Get the current value.
0051      */
0052     qreal value() const;
0053
0054 Q_SIGNALS:
0055     /**
0056      * This signal is emitted whenever the opacity changed.
0057      */
0058     void valueChanged(qreal opacity);
0059
0060 protected Q_SLOTS:
0061     /**
0062      * This slot forwards @p value through the signal valueChanged(const tikz::Value &).
0063      */
0064     void slotSliderChanged(int opacity);
0065     void slotSpinBoxChanged(int opacity);
0066
0067 private:
0068     OpacityEditorPrivate * const d;
0069 };
0070
0071 }
0072 }
0073
0074 #endif // TIKZ_UI_OPACITY_EDITOR_H
0075
0076 // kate: indent-width 4; replace-tabs on;