tdesktop/Telegram/SourceFiles/window/window_top_bar_wrap.h

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/*
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
*/
#pragma once
#include "ui/wrap/slide_wrap.h"
namespace Window {
template <typename Inner>
class TopBarWrapWidget : public Ui::SlideWrap<Inner> {
using Parent = Ui::SlideWrap<Inner>;
public:
TopBarWrapWidget(
QWidget *parent,
object_ptr<Inner> inner,
rpl::producer<bool> oneColumnValue)
: Parent(parent, std::move(inner)) {
this->sizeValue(
) | rpl::start_with_next([=](const QSize &size) {
updateShadowGeometry(size);
}, this->lifetime());
std::move(
oneColumnValue
) | rpl::start_with_next([=](bool oneColumn) {
_isOneColumn = oneColumn;
}, this->lifetime());
}
void updateAdaptiveLayout() {
updateShadowGeometry(this->size());
}
void showShadow() {
this->entity()->showShadow();
}
void hideShadow() {
this->entity()->hideShadow();
}
int contentHeight() const {
return qMax(this->height() - st::lineWidth, 0);
}
private:
void updateShadowGeometry(const QSize &size) {
const auto skip = _isOneColumn ? 0 : st::lineWidth;
this->entity()->setShadowGeometryToLeft(
skip,
size.height() - st::lineWidth,
size.width() - skip,
st::lineWidth);
}
bool _isOneColumn = false;
};
} // namespace Window