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

62 lines
1.8 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/peer_list_dummy.h"
#include "ui/painter.h"
#include "styles/style_widgets.h"
PeerListDummy::PeerListDummy(
QWidget *parent,
int count,
const style::PeerList &st)
: _st(st)
, _count(count) {
resize(width(), _count * _st.item.height);
}
void PeerListDummy::paintEvent(QPaintEvent *e) {
QPainter p(this);
PainterHighQualityEnabler hq(p);
const auto fill = e->rect();
const auto bottom = fill.top() + fill.height();
const auto from = std::clamp(fill.top() / _st.item.height, 0, _count);
const auto till = std::clamp(
(bottom + _st.item.height - 1) / _st.item.height,
0,
_count);
p.translate(0, _st.item.height * from);
p.setPen(Qt::NoPen);
for (auto i = from; i != till; ++i) {
p.setBrush(st::windowBgOver);
p.drawEllipse(
_st.item.photoPosition.x(),
_st.item.photoPosition.y(),
_st.item.photoSize,
_st.item.photoSize);
const auto small = int(1.5 * _st.item.photoSize);
const auto large = 2 * small;
const auto second = (i % 2) ? large : small;
const auto height = _st.item.nameStyle.font->height / 2;
const auto radius = height / 2;
const auto left = _st.item.namePosition.x();
const auto top = _st.item.namePosition.y()
+ (_st.item.nameStyle.font->height - height) / 2;
const auto skip = _st.item.namePosition.x()
- _st.item.photoPosition.x()
- _st.item.photoSize;
const auto next = left + small + skip;
p.drawRoundedRect(left, top, small, height, radius, radius);
p.drawRoundedRect(next, top, second, height, radius, radius);
p.translate(0, _st.item.height);
}
}