c207743338
Now base::lambda can be copied and can wrap any immutable lambda. For mutable lambdas there is base::lambda_once (which you're supposed to call only once to pass data through lambda captures, for example by using std::unique_ptr). Generally base::lambda is passed by value and base::lambda_once is passed by rvalue reference.
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "layerwidget.h"
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class BoxLayerTitleShadow;
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namespace Ui {
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class ScrollArea;
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class IconButton;
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template <typename Widget>
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class WidgetFadeWrap;
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} // namespace Ui
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namespace Settings {
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class FixedBar;
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class LayerInner : public TWidget {
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public:
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LayerInner(QWidget *parent) : TWidget(parent) {
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}
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virtual void resizeToWidth(int newWidth, int contentLeft) {
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TWidget::resizeToWidth(newWidth);
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}
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};
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class Layer : public LayerWidget {
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Q_OBJECT
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public:
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Layer();
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void setCloseClickHandler(base::lambda<void()> callback);
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void resizeToWidth(int newWidth, int newContentLeft);
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protected:
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void paintEvent(QPaintEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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template <typename Widget>
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QPointer<Widget> setInnerWidget(object_ptr<Widget> widget) {
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auto result = QPointer<Widget>(widget);
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doSetInnerWidget(std::move(widget));
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return result;
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}
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void setTitle(const QString &title);
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void setRoundedCorners(bool roundedCorners) {
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_roundedCorners = roundedCorners;
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}
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private slots:
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void onInnerHeightUpdated();
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void onScroll();
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private:
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void doSetInnerWidget(object_ptr<LayerInner> widget);
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virtual void resizeUsingInnerHeight(int newWidth, int innerHeight) {
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resize(newWidth, height());
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}
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object_ptr<Ui::ScrollArea> _scroll;
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QPointer<LayerInner> _inner;
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object_ptr<FixedBar> _fixedBar;
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object_ptr<Ui::IconButton> _fixedBarClose;
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object_ptr<Ui::WidgetFadeWrap<BoxLayerTitleShadow>> _fixedBarShadow;
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bool _roundedCorners = false;
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};
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} // namespace Settings
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