70 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
 | 
						|
This file is part of Telegram Desktop,
 | 
						|
the official desktop application for the Telegram messaging service.
 | 
						|
 | 
						|
For license and copyright information please follow this link:
 | 
						|
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 | 
						|
*/
 | 
						|
#include "ui/controls/send_as_button.h"
 | 
						|
 | 
						|
#include "ui/effects/cross_animation.h"
 | 
						|
#include "ui/painter.h"
 | 
						|
#include "styles/style_chat.h"
 | 
						|
 | 
						|
namespace Ui {
 | 
						|
 | 
						|
SendAsButton::SendAsButton(QWidget *parent, const style::SendAsButton &st)
 | 
						|
: AbstractButton(parent)
 | 
						|
, _st(st) {
 | 
						|
	resize(_st.width, _st.height);
 | 
						|
}
 | 
						|
 | 
						|
void SendAsButton::setUserpic(QImage userpic) {
 | 
						|
	_userpic = std::move(userpic);
 | 
						|
	update();
 | 
						|
}
 | 
						|
 | 
						|
void SendAsButton::setActive(bool active) {
 | 
						|
	if (_active == active) {
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	_active = active;
 | 
						|
	_activeAnimation.start(
 | 
						|
		[=] { update(); },
 | 
						|
		_active ? 0. : 1.,
 | 
						|
		_active ? 1. : 0.,
 | 
						|
		_st.duration);
 | 
						|
}
 | 
						|
 | 
						|
void SendAsButton::paintEvent(QPaintEvent *e) {
 | 
						|
	auto p = QPainter(this);
 | 
						|
 | 
						|
	const auto left = (width() - _st.size) / 2;
 | 
						|
	const auto top = (height() - _st.size) / 2;
 | 
						|
 | 
						|
	const auto active = _activeAnimation.value(_active ? 1. : 0.);
 | 
						|
	if (active < 1. && !_userpic.isNull()) {
 | 
						|
		p.drawImage(QRect(left, top, _st.size, _st.size), _userpic);
 | 
						|
	}
 | 
						|
	if (active > 0.) {
 | 
						|
		p.setOpacity(active);
 | 
						|
 | 
						|
		p.setPen(Qt::NoPen);
 | 
						|
		p.setBrush(_st.activeBg);
 | 
						|
		{
 | 
						|
			PainterHighQualityEnabler hq(p);
 | 
						|
			p.drawEllipse(left, top, _st.size, _st.size);
 | 
						|
		}
 | 
						|
 | 
						|
		CrossAnimation::paint(
 | 
						|
			p,
 | 
						|
			_st.cross,
 | 
						|
			_st.activeFg,
 | 
						|
			left,
 | 
						|
			top,
 | 
						|
			width(),
 | 
						|
			active);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
} // namespace Ui
 |