tdesktop/Telegram/SourceFiles/ui/controls/send_as_button.cpp

70 lines
1.4 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 "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 = Painter(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