556 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			556 lines
		
	
	
	
		
			16 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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| 
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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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| 
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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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| 
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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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| 
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| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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| Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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| */
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| #include "stdafx.h"
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| #include "ui/flatcheckbox.h"
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| 
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| #include "lang.h"
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| 
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| FlatCheckbox::FlatCheckbox(QWidget *parent, const QString &text, bool checked, const style::flatCheckbox &st) : Button(parent)
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| , _st(st)
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| , a_over(0, 0)
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| , _a_appearance(animation(this, &FlatCheckbox::step_appearance))
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| , _text(text)
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| , _opacity(1)
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| , _checked(checked) {
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| 	connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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| 	connect(this, SIGNAL(stateChanged(int, ButtonStateChangeSource)), this, SLOT(onStateChange(int, ButtonStateChangeSource)));
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| 	setCursor(_st.cursor);
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| 	int32 w = _st.width, h = _st.height;
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|     if (w <= 0) w = _st.textLeft + _st.font->width(_text) + 2;
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| 	if (h <= 0) h = qMax(_st.font->height, _st.imageRect.pxHeight());
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| 	resize(QSize(w, h));
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| }
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| 
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| bool FlatCheckbox::checked() const {
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| 	return _checked;
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| }
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| 
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| void FlatCheckbox::setChecked(bool checked) {
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| 	if (_checked != checked) {
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| 		_checked = checked;
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| 		emit changed();
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| 		update();
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| 	}
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| }
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| 
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| void FlatCheckbox::setOpacity(float64 o) {
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| 	_opacity = o;
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| 	update();
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| }
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| 
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| void FlatCheckbox::onClicked() {
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| 	if (_state & StateDisabled) return;
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| 	setChecked(!checked());
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| }
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| 
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| void FlatCheckbox::onStateChange(int oldState, ButtonStateChangeSource source) {
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| 	if ((_state & StateOver) && !(oldState & StateOver)) {
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| 		a_over.start(1);
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| 		_a_appearance.start();
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| 	} else if (!(_state & StateOver) && (oldState & StateOver)) {
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| 		a_over.start(0);
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| 		_a_appearance.start();
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| 	}
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| 	if ((_state & StateDisabled) && !(oldState & StateDisabled)) {
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| 		setCursor(_st.disabledCursor);
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| 		_a_appearance.start();
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| 	} else if (!(_state & StateDisabled) && (oldState & StateDisabled)) {
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| 		setCursor(_st.cursor);
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| 		_a_appearance.start();
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| 	}
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| }
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| 
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| void FlatCheckbox::paintEvent(QPaintEvent *e) {
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| 	Painter p(this);
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| 
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| 	p.setOpacity(_opacity);
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| 	if (_st.bgColor != st::transparent) {
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| 		p.fillRect(rect(), _st.bgColor->b);
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| 	}
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| 
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| 	if (!_text.isEmpty()) {
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| 		p.setFont(_st.font->f);
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| 		p.setRenderHint(QPainter::TextAntialiasing);
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| 		p.setPen((_state & StateDisabled ? _st.disColor : _st.textColor)->p);
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| 
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| 		QRect tRect(rect());
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| 		tRect.setTop(_st.textTop);
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| 		tRect.setLeft(_st.textLeft);
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| //		p.drawText(_st.textLeft, _st.textTop + _st.font->ascent, _text);
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| 		p.drawText(tRect, _text, QTextOption(style::al_topleft));
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| 	}
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| 
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| 	if (_state & StateDisabled) {
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| 		const style::sprite &sRect(_checked ? _st.chkDisImageRect : _st.disImageRect);
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| 		p.drawSprite(_st.imagePos, sRect);
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| 	} else if ((_checked && _st.chkImageRect == _st.chkOverImageRect) || (!_checked && _st.imageRect == _st.overImageRect)) {
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| 		p.setOpacity(_opacity);
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| 		const style::sprite &sRect(_checked ? _st.chkImageRect : _st.imageRect);
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| 		p.drawSprite(_st.imagePos, sRect);
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| 	} else {
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| 		if (a_over.current() < 1) {
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| 			const style::sprite &sRect(_checked ? _st.chkImageRect : _st.imageRect);
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| 			p.drawSprite(_st.imagePos, sRect);
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| 		}
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| 		if (a_over.current() > 0) {
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| 			p.setOpacity(_opacity * a_over.current());
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| 			const style::sprite &sRect(_checked ? _st.chkOverImageRect : _st.overImageRect);
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| 			p.drawSprite(_st.imagePos, sRect);
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| 		}
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| 	}
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| }
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| 
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| void FlatCheckbox::step_appearance(float64 ms, bool timer) {
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| 	float64 dt = ms / _st.duration;
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| 	if (dt >= 1) {
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| 		_a_appearance.stop();
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| 		a_over.finish();
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| 	} else {
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| 		a_over.update(dt, _st.bgFunc);
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| 	}
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| 	if (timer) update();
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| }
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| 
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| template <typename Type>
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| class TemplateRadiobuttonsGroup : public QMap<Type*, bool> {
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| 	typedef QMap<Type*, bool> Parent;
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| 
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| public:
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| 	TemplateRadiobuttonsGroup(const QString &name) : _name(name), _val(0) {
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| 	}
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| 
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| 	void remove(Type * const &radio) {
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| 	}
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| 	int32 val() const {
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| 		return _val;
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| 	}
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| 	void setVal(int32 val) {
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| 		_val = val;
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| 	}
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| 
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| private:
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| 	QString _name;
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| 	int32 _val;
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| 
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| };
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| 
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| typedef TemplateRadiobuttonsGroup<FlatRadiobutton> FlatRadiobuttonGroup;
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| typedef TemplateRadiobuttonsGroup<Radiobutton> RadiobuttonGroup;
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| 
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| template <typename Type>
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| class Radiobuttons : public QMap<QString, TemplateRadiobuttonsGroup<Type> *> {
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| 	typedef QMap<QString, TemplateRadiobuttonsGroup<Type> *> Parent;
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| 
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| public:
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| 
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| 	TemplateRadiobuttonsGroup<Type> *reg(const QString &group) {
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| 		typename Parent::const_iterator i = Parent::constFind(group);
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| 		if (i == Parent::cend()) {
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| 			i = Parent::insert(group, new TemplateRadiobuttonsGroup<Type>(group));
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| 		}
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| 		return i.value();
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| 	}
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| 
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| 	int remove(const QString &group) {
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| 		typename Parent::iterator i = Parent::find(group);
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| 		if (i != Parent::cend()) {
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| 			delete i.value();
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| 			Parent::erase(i);
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| 			return 1;
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| 		}
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| 		return 0;
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| 	}
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| 
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| 	~Radiobuttons() {
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| 		for (typename Parent::const_iterator i = Parent::cbegin(), e = Parent::cend(); i != e; ++i) {
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| 			delete *i;
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| 		}
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| 	}
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| };
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| 
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| namespace {
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| 	Radiobuttons<FlatRadiobutton> flatRadiobuttons;
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| 	Radiobuttons<Radiobutton> radiobuttons;
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| }
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| 
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| template <>
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| void TemplateRadiobuttonsGroup<FlatRadiobutton>::remove(FlatRadiobutton * const &radio) {
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| 	Parent::remove(radio);
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| 	if (isEmpty()) {
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| 		flatRadiobuttons.remove(_name);
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| 	}
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| }
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| 
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| template <>
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| void TemplateRadiobuttonsGroup<Radiobutton>::remove(Radiobutton * const &radio) {
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| 	Parent::remove(radio);
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| 	if (isEmpty()) {
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| 		radiobuttons.remove(_name);
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| 	}
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| }
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| 
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| FlatRadiobutton::FlatRadiobutton(QWidget *parent, const QString &group, int32 value, const QString &text, bool checked, const style::flatCheckbox &st) :
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| 	FlatCheckbox(parent, text, checked, st), _group(flatRadiobuttons.reg(group)), _value(value) {
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| 	reinterpret_cast<FlatRadiobuttonGroup*>(_group)->insert(this, true);
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| 	connect(this, SIGNAL(changed()), this, SLOT(onChanged()));
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| 	if (this->checked()) onChanged();
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| }
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| 
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| void FlatRadiobutton::onChanged() {
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| 	FlatRadiobuttonGroup *group = reinterpret_cast<FlatRadiobuttonGroup*>(_group);
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| 	if (checked()) {
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| 		int32 uncheck = group->val();
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| 		if (uncheck != _value) {
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| 			group->setVal(_value);
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| 			for (FlatRadiobuttonGroup::const_iterator i = group->cbegin(), e = group->cend(); i != e; ++i) {
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| 				if (i.key()->val() == uncheck) {
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| 					i.key()->setChecked(false);
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| 				}
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| 			}
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| 		}
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| 	} else if (group->val() == _value) {
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| 		setChecked(true);
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| 	}
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| }
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| 
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| FlatRadiobutton::~FlatRadiobutton() {
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| 	reinterpret_cast<FlatRadiobuttonGroup*>(_group)->remove(this);
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| }
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| 
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| Checkbox::Checkbox(QWidget *parent, const QString &text, bool checked, const style::Checkbox &st) : Button(parent)
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| , _st(st)
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| , a_over(0)
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| , a_checked(checked ? 1 : 0)
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| , _a_over(animation(this, &Checkbox::step_over))
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| , _a_checked(animation(this, &Checkbox::step_checked))
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| , _text(text)
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| , _fullText(text)
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| , _textWidth(st.font->width(text))
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| , _checked(checked) {
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| 	if (_st.width <= 0) {
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| 		resize(_textWidth - _st.width, _st.height);
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| 	} else {
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| 		if (_st.width < _st.textPosition.x() + _textWidth + (_st.textPosition.x() - _st.diameter)) {
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| 			_text = _st.font->elided(_fullText, qMax(_st.width - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1));
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| 			_textWidth = _st.font->width(_text);
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| 		}
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| 		resize(_st.width, _st.height);
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| 	}
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| 	_checkRect = myrtlrect(0, 0, _st.diameter, _st.diameter);
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| 
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| 	connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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| 	connect(this, SIGNAL(stateChanged(int, ButtonStateChangeSource)), this, SLOT(onStateChange(int, ButtonStateChangeSource)));
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| 
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| 	setCursor(style::cur_pointer);
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| 
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| 	setAttribute(Qt::WA_OpaquePaintEvent);
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| }
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| 
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| bool Checkbox::checked() const {
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| 	return _checked;
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| }
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| 
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| void Checkbox::setChecked(bool checked) {
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| 	if (_checked != checked) {
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| 		_checked = checked;
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| 		if (_checked) {
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| 			a_checked.start(1);
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| 		} else {
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| 			a_checked.start(0);
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| 		}
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| 		_a_checked.start();
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| 
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| 		emit changed();
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| 	}
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| }
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| 
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| void Checkbox::step_over(float64 ms, bool timer) {
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| 	float64 dt = ms / _st.duration;
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| 	if (dt >= 1) {
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| 		_a_over.stop();
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| 		a_over.finish();
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| 	} else {
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| 		a_over.update(dt, anim::linear);
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| 	}
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| 	if (timer) update(_checkRect);
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| }
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| 
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| void Checkbox::step_checked(float64 ms, bool timer) {
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| 	float64 dt = ms / _st.duration;
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| 	if (dt >= 1) {
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| 		a_checked.finish();
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| 		_a_checked.stop();
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| 	} else {
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| 		a_checked.update(dt, anim::linear);
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| 	}
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| 	if (timer) update(_checkRect);
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| }
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| 
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| void Checkbox::paintEvent(QPaintEvent *e) {
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| 	Painter p(this);
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| 
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| 	float64 over = a_over.current(), checked = a_checked.current();
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| 	bool cnone = (over == 0. && checked == 0.), cover = (over == 1. && checked == 0.), cchecked = (checked == 1.);
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| 	bool cbad = !cnone && !cover && !cchecked;
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| 	QColor color;
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| 	if (cbad) {
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| 		float64 onone = (1. - over) * (1. - checked), oover = over * (1. - checked), ochecked = checked;
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| 		color.setRedF(_st.checkFg->c.redF() * onone + _st.checkFgOver->c.redF() * oover + _st.checkFgActive->c.redF() * ochecked);
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| 		color.setGreenF(_st.checkFg->c.greenF() * onone + _st.checkFgOver->c.greenF() * oover + _st.checkFgActive->c.greenF() * ochecked);
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| 		color.setBlueF(_st.checkFg->c.blueF() * onone + _st.checkFgOver->c.blueF() * oover + _st.checkFgActive->c.blueF() * ochecked);
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| 	}
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| 
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| 	QRect r(e->rect());
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| 	p.setClipRect(r);
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| 	p.fillRect(r, _st.textBg->b);
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| 	if (_checkRect.intersects(r)) {
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| 		p.setRenderHint(QPainter::HighQualityAntialiasing);
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| 
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| 		QPen pen;
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| 		if (cbad) {
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| 			pen = QPen(color);
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| 		} else {
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| 			pen = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->p;
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| 			color = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->c;
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| 		}
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| 		pen.setWidth(_st.thickness);
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| 		p.setPen(pen);
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| 		if (checked > 0) {
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| 			color.setRedF(color.redF() * checked + st::white->c.redF() * (1. - checked));
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| 			color.setGreenF(color.greenF() * checked + st::white->c.greenF() * (1. - checked));
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| 			color.setBlueF(color.blueF() * checked + st::white->c.blueF() * (1. - checked));
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| 			p.setBrush(color);
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| 		} else {
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| 			p.setBrush(st::white);
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| 		}
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| 		p.drawRoundedRect(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2, _st.thickness / 2, _st.thickness / 2, _st.thickness / 2)), st::msgRadius, st::msgRadius);
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| 		p.setRenderHint(QPainter::HighQualityAntialiasing, false);
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| 
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| 		if (checked > 0) {
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| 			p.drawSpriteCenter(_checkRect, _st.checkIcon);
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| 		}
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| 	}
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| 	if (_checkRect.contains(r)) return;
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| 
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| 	p.setPen(_st.textFg);
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| 	p.setFont(_st.font);
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| 	p.drawTextLeft(_st.textPosition.x(), _st.textPosition.y(), width(), _text, _textWidth);
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| }
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| 
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| void Checkbox::onClicked() {
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| 	if (_state & StateDisabled) return;
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| 	setChecked(!checked());
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| }
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| 
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| void Checkbox::onStateChange(int oldState, ButtonStateChangeSource source) {
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| 	if ((_state & StateOver) && !(oldState & StateOver)) {
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| 		a_over.start(1);
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| 		_a_over.start();
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| 	} else if (!(_state & StateOver) && (oldState & StateOver)) {
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| 		a_over.start(0);
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| 		_a_over.start();
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| 	}
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| 	if ((_state & StateDisabled) && !(oldState & StateDisabled)) {
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| 		setCursor(style::cur_default);
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| 	} else if (!(_state & StateDisabled) && (oldState & StateDisabled)) {
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| 		setCursor(style::cur_pointer);
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| 	}
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| }
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| 
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| Radiobutton::Radiobutton(QWidget *parent, const QString &group, int32 value, const QString &text, bool checked, const style::Radiobutton &st) : Button(parent)
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| , _st(st)
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| , a_over(0)
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| , a_checked(checked ? 1 : 0)
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| , _a_over(animation(this, &Radiobutton::step_over))
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| , _a_checked(animation(this, &Radiobutton::step_checked))
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| , _text(text)
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| , _fullText(text)
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| , _textWidth(st.font->width(text))
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| , _checked(checked)
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| , _group(radiobuttons.reg(group))
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| , _value(value) {
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| 	if (_st.width <= 0) {
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| 		resize(_textWidth - _st.width, _st.height);
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| 	} else {
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| 		if (_st.width < _st.textPosition.x() + _textWidth + (_st.textPosition.x() - _st.diameter)) {
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| 			_text = _st.font->elided(_fullText, qMax(_st.width - (_st.textPosition.x() + (_st.textPosition.x() - _st.diameter)), 1));
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| 			_textWidth = _st.font->width(_text);
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| 		}
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| 		resize(_st.width, _st.height);
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| 	}
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| 	_checkRect = myrtlrect(0, 0, _st.diameter, _st.diameter);
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| 
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| 	connect(this, SIGNAL(clicked()), this, SLOT(onClicked()));
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| 	connect(this, SIGNAL(stateChanged(int, ButtonStateChangeSource)), this, SLOT(onStateChange(int, ButtonStateChangeSource)));
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| 
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| 	setCursor(style::cur_pointer);
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| 
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| 	setAttribute(Qt::WA_OpaquePaintEvent);
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| 
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| 	reinterpret_cast<RadiobuttonGroup*>(_group)->insert(this, true);
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| 	if (_checked) onChanged();
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| }
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| 
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| bool Radiobutton::checked() const {
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| 	return _checked;
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| }
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| 
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| void Radiobutton::setChecked(bool checked) {
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| 	if (_checked != checked) {
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| 		_checked = checked;
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| 		if (_checked) {
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| 			a_checked.start(1);
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| 		} else {
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| 			a_checked.start(0);
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| 		}
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| 		_a_checked.start();
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| 
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| 		onChanged();
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| 		emit changed();
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| 	}
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| }
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| 
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| void Radiobutton::step_over(float64 ms, bool timer) {
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| 	float64 dt = ms / _st.duration;
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| 	if (dt >= 1) {
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| 		_a_over.stop();
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| 		a_over.finish();
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| 	} else {
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| 		a_over.update(dt, anim::linear);
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| 	}
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| 	if (timer) update(_checkRect);
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| }
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| 
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| void Radiobutton::step_checked(float64 ms, bool timer) {
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| 	float64 dt = ms / _st.duration;
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| 	if (dt >= 1) {
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| 		a_checked.finish();
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| 		_a_checked.stop();
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| 	} else {
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| 		a_checked.update(dt, anim::linear);
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| 	}
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| 	if (timer) update(_checkRect);
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| }
 | |
| 
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| void Radiobutton::paintEvent(QPaintEvent *e) {
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| 	Painter p(this);
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| 
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| 	float64 over = a_over.current(), checked = a_checked.current();
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| 	bool cnone = (over == 0. && checked == 0.), cover = (over == 1. && checked == 0.), cchecked = (checked == 1.);
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| 	bool cbad = !cnone && !cover && !cchecked;
 | |
| 	QColor color;
 | |
| 	if (cbad) {
 | |
| 		float64 onone = (1. - over) * (1. - checked), oover = over * (1. - checked), ochecked = checked;
 | |
| 		color.setRedF(_st.checkFg->c.redF() * onone + _st.checkFgOver->c.redF() * oover + _st.checkFgActive->c.redF() * ochecked);
 | |
| 		color.setGreenF(_st.checkFg->c.greenF() * onone + _st.checkFgOver->c.greenF() * oover + _st.checkFgActive->c.greenF() * ochecked);
 | |
| 		color.setBlueF(_st.checkFg->c.blueF() * onone + _st.checkFgOver->c.blueF() * oover + _st.checkFgActive->c.blueF() * ochecked);
 | |
| 	}
 | |
| 
 | |
| 	QRect r(e->rect());
 | |
| 	p.setClipRect(r);
 | |
| 	p.fillRect(r, _st.textBg->b);
 | |
| 	if (_checkRect.intersects(r)) {
 | |
| 		p.setRenderHint(QPainter::HighQualityAntialiasing);
 | |
| 
 | |
| 		QPen pen;
 | |
| 		if (cbad) {
 | |
| 			pen = QPen(color);
 | |
| 		} else {
 | |
| 			pen = (cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive))->p;
 | |
| 		}
 | |
| 		pen.setWidth(_st.thickness);
 | |
| 		p.setPen(pen);
 | |
| 		p.setBrush(Qt::NoBrush);
 | |
| 		//int32 skip = qCeil(_st.thickness / 2);
 | |
| 		//p.drawEllipse(_checkRect.marginsRemoved(QMargins(skip, skip, skip, skip)));
 | |
| 		p.drawEllipse(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2, _st.thickness / 2, _st.thickness / 2, _st.thickness / 2)));
 | |
| 
 | |
| 		if (checked > 0) {
 | |
| 			p.setPen(Qt::NoPen);
 | |
| 			if (cbad) {
 | |
| 				p.setBrush(color);
 | |
| 			} else {
 | |
| 				p.setBrush(cnone ? _st.checkFg : (cover ? _st.checkFgOver : _st.checkFgActive));
 | |
| 			}
 | |
| 			float64 skip0 = _checkRect.width() / 2., skip1 = _st.checkSkip / 10., checkSkip = skip0 * (1. - checked) + skip1 * checked;
 | |
| 			p.drawEllipse(QRectF(_checkRect).marginsRemoved(QMarginsF(checkSkip, checkSkip, checkSkip, checkSkip)));
 | |
| 			//int32 fskip = qFloor(checkSkip), cskip = qCeil(checkSkip);
 | |
| 			//if (2 * fskip < _checkRect.width()) {
 | |
| 			//	if (fskip != cskip) {
 | |
| 			//		p.setOpacity(float64(cskip) - checkSkip);
 | |
| 			//		p.drawEllipse(_checkRect.marginsRemoved(QMargins(fskip, fskip, fskip, fskip)));
 | |
| 			//		p.setOpacity(1.);
 | |
| 			//	}
 | |
| 			//	if (2 * cskip < _checkRect.width()) {
 | |
| 			//		p.drawEllipse(_checkRect.marginsRemoved(QMargins(cskip, cskip, cskip, cskip)));
 | |
| 			//	}
 | |
| 			//}
 | |
| 		}
 | |
| 
 | |
| 		p.setRenderHint(QPainter::HighQualityAntialiasing, false);
 | |
| 	}
 | |
| 	if (_checkRect.contains(r)) return;
 | |
| 
 | |
| 	p.setPen(_st.textFg);
 | |
| 	p.setFont(_st.font);
 | |
| 	p.drawTextLeft(_st.textPosition.x(), _st.textPosition.y(), width(), _text, _textWidth);
 | |
| }
 | |
| 
 | |
| void Radiobutton::onClicked() {
 | |
| 	if (_state & StateDisabled) return;
 | |
| 	setChecked(!checked());
 | |
| }
 | |
| 
 | |
| void Radiobutton::onStateChange(int oldState, ButtonStateChangeSource source) {
 | |
| 	if ((_state & StateOver) && !(oldState & StateOver)) {
 | |
| 		a_over.start(1);
 | |
| 		_a_over.start();
 | |
| 	} else if (!(_state & StateOver) && (oldState & StateOver)) {
 | |
| 		a_over.start(0);
 | |
| 		_a_over.start();
 | |
| 	}
 | |
| 	if ((_state & StateDisabled) && !(oldState & StateDisabled)) {
 | |
| 		setCursor(style::cur_default);
 | |
| 	} else if (!(_state & StateDisabled) && (oldState & StateDisabled)) {
 | |
| 		setCursor(style::cur_pointer);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void Radiobutton::onChanged() {
 | |
| 	RadiobuttonGroup *group = reinterpret_cast<RadiobuttonGroup*>(_group);
 | |
| 	if (checked()) {
 | |
| 		int32 uncheck = group->val();
 | |
| 		if (uncheck != _value) {
 | |
| 			group->setVal(_value);
 | |
| 			for (RadiobuttonGroup::const_iterator i = group->cbegin(), e = group->cend(); i != e; ++i) {
 | |
| 				if (i.key()->val() == uncheck) {
 | |
| 					i.key()->setChecked(false);
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	} else if (group->val() == _value) {
 | |
| 		setChecked(true);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Radiobutton::~Radiobutton() {
 | |
| 	reinterpret_cast<RadiobuttonGroup*>(_group)->remove(this);
 | |
| }
 | 
