tdesktop/Telegram/SourceFiles/ui/wrap/vertical_layout.h

75 lines
1.9 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "ui/rp_widget.h"
namespace Ui {
class VerticalLayout : public RpWidget {
public:
using RpWidget::RpWidget;
template <
typename Widget,
typename = std::enable_if_t<
std::is_base_of_v<RpWidget, Widget>>>
Widget *add(
object_ptr<Widget> &&child,
const style::margins &margin = style::margins()) {
return static_cast<Widget*>(addChild(
std::move(child),
margin));
}
QMargins getMargins() const override;
int naturalWidth() const override;
protected:
int resizeGetHeight(int newWidth) override;
void visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) override;
private:
RpWidget *addChild(
object_ptr<RpWidget> child,
const style::margins &margin);
void childHeightUpdated(RpWidget *child);
void removeChild(RpWidget *child);
void updateChildGeometry(
const style::margins &margins,
RpWidget *child,
const style::margins &margin,
int width,
int top) const;
struct Row {
object_ptr<RpWidget> widget;
style::margins margin;
};
std::vector<Row> _rows;
bool _inResize = false;
};
} // namespace Ui