111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/*
|
|
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
|
|
|
|
#include "ui/twidget.h"
|
|
#include "window/window_slide_animation.h"
|
|
|
|
namespace Window {
|
|
|
|
class SectionMemento;
|
|
|
|
struct SectionSlideParams {
|
|
QPixmap oldContentCache;
|
|
bool withTopBarShadow = false;
|
|
|
|
explicit operator bool() const {
|
|
return !oldContentCache.isNull();
|
|
}
|
|
};
|
|
|
|
class SectionWidget : public TWidget, protected base::Subscriber {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
SectionWidget(QWidget *parent);
|
|
|
|
virtual PeerData *peerForDialogs() const {
|
|
return nullptr;
|
|
}
|
|
|
|
// When resizing the widget with top edge moved up or down and we
|
|
// want to add this top movement to the scroll position, so inner
|
|
// content will not move.
|
|
void setGeometryWithTopMoved(const QRect &newGeometry, int topDelta);
|
|
|
|
virtual bool hasTopBarShadow() const {
|
|
return false;
|
|
}
|
|
void showAnimated(SlideDirection direction, const SectionSlideParams ¶ms);
|
|
void showFast();
|
|
|
|
// This can be used to grab with or without top bar shadow.
|
|
// This will be protected when animation preparation will be done inside.
|
|
virtual QPixmap grabForShowAnimation(const SectionSlideParams ¶ms) {
|
|
return myGrab(this);
|
|
}
|
|
|
|
// Attempt to show the required section inside the existing one.
|
|
// For example if this section already shows exactly the required
|
|
// memento it can simply return true - it is shown already.
|
|
virtual bool showInternal(const SectionMemento *memento) = 0;
|
|
|
|
// Create a memento of that section to store it in the history stack.
|
|
virtual std_::unique_ptr<SectionMemento> createMemento() const = 0;
|
|
|
|
void setInnerFocus() {
|
|
doSetInnerFocus();
|
|
}
|
|
|
|
protected:
|
|
void paintEvent(QPaintEvent *e) override;
|
|
|
|
// Temp variable used in resizeEvent() implementation, that is passed
|
|
// to setGeometryWithTopMoved() to adjust the scroll position with the resize.
|
|
int topDelta() const {
|
|
return _topDelta;
|
|
}
|
|
|
|
// Called after the hideChildren() call in showAnimated().
|
|
virtual void showAnimatedHook() {
|
|
}
|
|
|
|
// Called after the showChildren() call in showFinished().
|
|
virtual void showFinishedHook() {
|
|
}
|
|
|
|
virtual void doSetInnerFocus() {
|
|
setFocus();
|
|
}
|
|
|
|
private:
|
|
void showFinished();
|
|
|
|
std_::unique_ptr<SlideAnimation> _showAnimation;
|
|
|
|
// Saving here topDelta in resizeWithTopMoved() to get it passed to resizeEvent().
|
|
int _topDelta = 0;
|
|
|
|
};
|
|
|
|
} // namespace Window
|