mirror of
https://github.com/telegramdesktop/tdesktop
synced 2025-04-06 17:43:19 +00:00
83 lines
2.0 KiB
C++
83 lines
2.0 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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class ScrollArea;
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namespace Ui {
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class InnerDropdown : public TWidget {
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Q_OBJECT
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public:
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InnerDropdown(QWidget *parent, const style::dropdown &st = st::dropdownDef, const style::flatScroll &scrollSt = st::scrollDef);
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void setOwnedWidget(ScrolledWidget *widget);
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bool overlaps(const QRect &globalRect) {
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if (isHidden() || !_a_appearance.isNull()) return false;
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return rect().marginsRemoved(_st.padding).contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
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}
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void otherEnter();
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void otherLeave();
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protected:
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void resizeEvent(QResizeEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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void enterEvent(QEvent *e) override;
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void leaveEvent(QEvent *e) override;
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bool eventFilter(QObject *obj, QEvent *e) override;
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signals:
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void hidden();
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private slots:
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void onHideStart();
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void onWindowActiveChanged();
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void onScroll();
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private:
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void repaintCallback();
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void hidingFinished();
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void showingStarted();
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void startAnimation();
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const style::dropdown &_st;
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bool _hiding = false;
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QPixmap _cache;
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FloatAnimation _a_appearance;
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QTimer _hideTimer;
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BoxShadow _shadow;
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ChildWidget<ScrollArea> _scroll;
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};
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} // namespace Ui
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