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https://github.com/vale981/tdesktop
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c207743338
Now base::lambda can be copied and can wrap any immutable lambda. For mutable lambdas there is base::lambda_once (which you're supposed to call only once to pass data through lambda captures, for example by using std::unique_ptr). Generally base::lambda is passed by value and base::lambda_once is passed by rvalue reference.
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "boxes/abstractbox.h"
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class EditColorBox : public BoxContent {
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Q_OBJECT
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public:
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EditColorBox(QWidget*, const QString &title, QColor current = QColor(255, 255, 255));
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void setSaveCallback(base::lambda<void(QColor)> callback) {
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_saveCallback = std::move(callback);
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}
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void setCancelCallback(base::lambda<void()> callback) {
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_cancelCallback = std::move(callback);
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}
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void showColor(QColor color) {
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updateFromColor(color);
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}
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void closeHook() override {
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if (_cancelCallback) {
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_cancelCallback();
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}
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}
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protected:
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void prepare() override;
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void paintEvent(QPaintEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void setInnerFocus() override;
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private slots:
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void onFieldChanged();
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void onFieldSubmitted();
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private:
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void saveColor();
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void updateFromColor(QColor color);
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void updateControlsFromColor();
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void updateControlsFromHSV(int hue, int saturation, int brightness);
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void updateHSVFields();
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void updateRGBFields();
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void updateResultField();
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void updateFromControls();
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void updateFromHSVFields();
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void updateFromRGBFields();
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void updateFromResultField();
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void setHSV(int hue, int saturation, int brightness, int alpha);
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void setRGB(int red, int green, int blue, int alpha);
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int percentFromByte(int byte) {
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return snap(qRound(byte * 100 / 255.), 0, 100);
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}
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int percentToByte(int percent) {
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return snap(qRound(percent * 255 / 100.), 0, 255);
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}
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class Picker;
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class Slider;
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class Field;
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class ResultField;
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QString _title;
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object_ptr<Picker> _picker;
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object_ptr<Slider> _hueSlider;
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object_ptr<Slider> _opacitySlider;
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object_ptr<Field> _hueField;
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object_ptr<Field> _saturationField;
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object_ptr<Field> _brightnessField;
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object_ptr<Field> _redField;
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object_ptr<Field> _greenField;
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object_ptr<Field> _blueField;
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object_ptr<ResultField> _result;
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QBrush _transparent;
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QColor _current;
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QColor _new;
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QRect _currentRect;
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QRect _newRect;
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base::lambda<void(QColor)> _saveCallback;
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base::lambda<void()> _cancelCallback;
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};
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