73 lines
1.8 KiB
C++
73 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 "history/view/history_view_empty_list_bubble.h"
|
|
|
|
#include "ui/chat/chat_style.h"
|
|
#include "history/view/history_view_service_message.h"
|
|
|
|
namespace HistoryView {
|
|
|
|
EmptyListBubbleWidget::EmptyListBubbleWidget(
|
|
not_null<Ui::RpWidget*> parent,
|
|
not_null<const Ui::ChatStyle*> st,
|
|
const style::margins &padding)
|
|
: RpWidget(parent)
|
|
, _padding(padding)
|
|
, _st(st) {
|
|
parent->sizeValue(
|
|
) | rpl::start_with_next([=](const QSize &s) {
|
|
updateGeometry(s);
|
|
}, lifetime());
|
|
}
|
|
|
|
void EmptyListBubbleWidget::updateGeometry(const QSize &size) {
|
|
const auto w = _forceWidth
|
|
? _forceWidth
|
|
: std::min(
|
|
_text.maxWidth() + _padding.left() + _padding.right(),
|
|
size.width());
|
|
_innerWidth = w - _padding.left() - _padding.right();
|
|
const auto h = _padding.top()
|
|
+ _text.countHeight(_innerWidth)
|
|
+ _padding.bottom();
|
|
resize(w, h);
|
|
move((size.width() - w) / 2, (size.height() - h) / 3);
|
|
}
|
|
|
|
void EmptyListBubbleWidget::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
|
|
const auto r = rect();
|
|
HistoryView::ServiceMessagePainter::PaintBubble(p, _st, r);
|
|
|
|
p.setPen(_st->msgServiceFg());
|
|
_text.draw(
|
|
p,
|
|
r.x() + _padding.left(),
|
|
r.y() + _padding.top(),
|
|
_innerWidth,
|
|
style::al_top);
|
|
}
|
|
|
|
void EmptyListBubbleWidget::setText(
|
|
const TextWithEntities &textWithEntities) {
|
|
auto options = _defaultOptions;
|
|
options.flags |= TextParseMarkdown;
|
|
_text.setMarkedText(st::defaultTextStyle, textWithEntities, options);
|
|
updateGeometry(size());
|
|
}
|
|
|
|
void EmptyListBubbleWidget::setForceWidth(int width) {
|
|
if (_forceWidth != width) {
|
|
_forceWidth = width;
|
|
updateGeometry(size());
|
|
}
|
|
}
|
|
|
|
} // namespace HistoryView
|