75 lines
1.8 KiB
C++
75 lines
1.8 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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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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namespace style {
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struct Tooltip;
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} // namespace style
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namespace Ui {
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class AbstractTooltipShower {
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public:
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virtual QString tooltipText() const = 0;
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virtual QPoint tooltipPos() const = 0;
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virtual bool tooltipWindowActive() const;
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virtual const style::Tooltip *tooltipSt() const;
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virtual ~AbstractTooltipShower();
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};
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class Tooltip : public TWidget {
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Q_OBJECT
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public:
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static void Show(int32 delay, const AbstractTooltipShower *shower);
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static void Hide();
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private slots:
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void onShow();
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void onWndActiveChanged();
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void onHideByLeave();
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protected:
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void paintEvent(QPaintEvent *e) override;
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void hideEvent(QHideEvent *e) override;
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bool eventFilter(QObject *o, QEvent *e) override;
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private:
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Tooltip();
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~Tooltip();
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void popup(const QPoint &p, const QString &text, const style::Tooltip *st);
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friend class AbstractTooltipShower;
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const AbstractTooltipShower *_shower = nullptr;
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QTimer _showTimer;
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Text _text;
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QPoint _point;
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const style::Tooltip *_st = nullptr;
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QTimer _hideByLeaveTimer;
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bool _useTransparency = true;
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};
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} // namespace Ui
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