tdesktop/Telegram/SourceFiles/boxes/edit_color_box.h

110 lines
2.8 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It 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 General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "boxes/abstract_box.h"
class EditColorBox : public BoxContent {
Q_OBJECT
public:
EditColorBox(QWidget*, const QString &title, QColor current = QColor(255, 255, 255));
void setSaveCallback(base::lambda<void(QColor)> callback) {
_saveCallback = std::move(callback);
}
void setCancelCallback(base::lambda<void()> callback) {
_cancelCallback = std::move(callback);
}
void showColor(QColor color) {
updateFromColor(color);
}
protected:
void prepare() override;
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void setInnerFocus() override;
private slots:
void onFieldChanged();
void onFieldSubmitted();
private:
void saveColor();
void updateFromColor(QColor color);
void updateControlsFromColor();
void updateControlsFromHSV(int hue, int saturation, int brightness);
void updateHSVFields();
void updateRGBFields();
void updateResultField();
void updateFromControls();
void updateFromHSVFields();
void updateFromRGBFields();
void updateFromResultField();
void setHSV(int hue, int saturation, int brightness, int alpha);
void setRGB(int red, int green, int blue, int alpha);
int percentFromByte(int byte) {
return snap(qRound(byte * 100 / 255.), 0, 100);
}
int percentToByte(int percent) {
return snap(qRound(percent * 255 / 100.), 0, 255);
}
class Picker;
class Slider;
class Field;
class ResultField;
QString _title;
object_ptr<Picker> _picker;
object_ptr<Slider> _hueSlider;
object_ptr<Slider> _opacitySlider;
object_ptr<Field> _hueField;
object_ptr<Field> _saturationField;
object_ptr<Field> _brightnessField;
object_ptr<Field> _redField;
object_ptr<Field> _greenField;
object_ptr<Field> _blueField;
object_ptr<ResultField> _result;
QBrush _transparent;
QColor _current;
QColor _new;
QRect _currentRect;
QRect _newRect;
base::lambda<void(QColor)> _saveCallback;
base::lambda<void()> _cancelCallback;
};