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