tdesktop/Telegram/SourceFiles/layerwidget.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.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "gui/boxshadow.h"
class LayeredWidget : public QWidget {
Q_OBJECT
public:
virtual void animStep(float64 ms) {
}
virtual void parentResized() = 0;
virtual void startHide() {
}
virtual void resizeEvent(QResizeEvent *e) {
emit resized();
}
virtual QRect boxRect() const {
QRect res(rect());
res.moveTopLeft(geometry().topLeft());
return res;
}
void mousePressEvent(QMouseEvent *e) {
e->accept();
}
signals:
void closed();
void resized();
};
class BackgroundWidget : public QWidget, public Animated {
Q_OBJECT
public:
BackgroundWidget(QWidget *parent, LayeredWidget *w);
void showFast();
void paintEvent(QPaintEvent *e);
void keyPressEvent(QKeyEvent *e);
void mousePressEvent(QMouseEvent *e);
void resizeEvent(QResizeEvent *e);
void updateWideMode();
void replaceInner(LayeredWidget *n);
bool animStep(float64 ms);
~BackgroundWidget();
public slots:
void onClose();
bool onInnerClose();
void boxDestroyed(QObject *obj);
private:
void startHide();
LayeredWidget *w, *_hidden;
anim::fvalue aBackground;
anim::transition aBackgroundFunc;
bool hiding;
BoxShadow shadow;
};