tdesktop/Telegram/SourceFiles/settings/settings_inner_widget.h

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/*
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
namespace Settings {
class CoverWidget;
class BlockWidget;
class InnerWidget : public TWidget, private base::Subscriber {
Q_OBJECT
public:
InnerWidget(QWidget *parent);
// Count new height for width=newWidth and resize to it.
void resizeToWidth(int newWidth, int contentLeft) {
_contentLeft = contentLeft;
return TWidget::resizeToWidth(newWidth);
}
// Updates the area that is visible inside the scroll container.
void setVisibleTopBottom(int visibleTop, int visibleBottom) override;
void showFinished();
private slots:
void onBlockHeightUpdated();
protected:
// Resizes content and counts natural widget height for the desired width.
int resizeGetHeight(int newWidth) override;
private:
void selfUpdated();
void refreshBlocks();
// Returns the new height value.
int refreshBlocksPositions(int newWidth);
object_ptr<CoverWidget> _cover = { nullptr };
QList<BlockWidget*> _blocks;
UserData *_self = nullptr;
int _contentLeft = 0;
bool _showFinished = false;
int _visibleTop = 0;
int _visibleBottom = 0;
};
} // namespace Settings