68 lines
2.2 KiB
C++
68 lines
2.2 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/toast/toast_widget.h"
|
|
|
|
#include "ui/image/image_prepare.h"
|
|
|
|
namespace Ui {
|
|
namespace Toast {
|
|
namespace internal {
|
|
namespace {
|
|
|
|
constexpr auto kToastMaxLines = 16;
|
|
|
|
} // namespace
|
|
|
|
Widget::Widget(QWidget *parent, const Config &config) : TWidget(parent)
|
|
, _multiline(config.maxWidth > 0)
|
|
, _maxWidth((config.maxWidth > 0) ? config.maxWidth : st::toastMaxWidth)
|
|
, _padding((config.padding.left() > 0) ? config.padding : st::toastPadding)
|
|
, _maxTextWidth(_maxWidth - _padding.left() - _padding.right())
|
|
, _text(_multiline ? _maxTextWidth : QFIXED_MAX) {
|
|
TextParseOptions toastOptions = { 0, _maxTextWidth, st::toastTextStyle.font->height, Qt::LayoutDirectionAuto };
|
|
if (_multiline) {
|
|
toastOptions.maxh *= kToastMaxLines;
|
|
}
|
|
_text.setText(st::toastTextStyle, _multiline ? config.text : TextUtilities::SingleLine(config.text), toastOptions);
|
|
|
|
setAttribute(Qt::WA_TransparentForMouseEvents);
|
|
|
|
onParentResized();
|
|
show();
|
|
}
|
|
|
|
void Widget::onParentResized() {
|
|
auto newWidth = _maxWidth;
|
|
accumulate_min(newWidth, _padding.left() + _text.maxWidth() + _padding.right());
|
|
accumulate_min(newWidth, parentWidget()->width() - 2 * st::toastMinMargin);
|
|
_textWidth = newWidth - _padding.left() - _padding.right();
|
|
auto maxHeight = kToastMaxLines * st::toastTextStyle.font->height;
|
|
auto textHeight = _multiline ? qMin(_text.countHeight(_textWidth), maxHeight) : _text.minHeight();
|
|
auto newHeight = _padding.top() + textHeight + _padding.bottom();
|
|
setGeometry((parentWidget()->width() - newWidth) / 2, (parentWidget()->height() - newHeight) / 2, newWidth, newHeight);
|
|
}
|
|
|
|
void Widget::setShownLevel(float64 shownLevel) {
|
|
_shownLevel = shownLevel;
|
|
}
|
|
|
|
void Widget::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
PainterHighQualityEnabler hq(p);
|
|
|
|
p.setOpacity(_shownLevel);
|
|
App::roundRect(p, rect(), st::toastBg, ImageRoundRadius::Large);
|
|
|
|
auto lines = _multiline ? kToastMaxLines : 1;
|
|
p.setPen(st::toastFg);
|
|
_text.drawElided(p, _padding.left(), _padding.top(), _textWidth + 1, lines);
|
|
}
|
|
|
|
} // namespace internal
|
|
} // namespace Toast
|
|
} // namespace Ui
|