139 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			139 lines
		
	
	
	
		
			3.7 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) 2014-2016 John Preston, https://desktop.telegram.org
 | |
| */
 | |
| #include "stdafx.h"
 | |
| #include "ui/effects/widget_slide_wrap.h"
 | |
| 
 | |
| namespace Ui {
 | |
| 
 | |
| WidgetSlideWrap<TWidget>::WidgetSlideWrap(QWidget *parent
 | |
| , TWidget *entity
 | |
| , style::margins entityPadding
 | |
| , base::lambda_unique<void()> updateCallback
 | |
| , int duration) : TWidget(parent)
 | |
| , _entity(entity)
 | |
| , _padding(entityPadding)
 | |
| , _duration(duration)
 | |
| , _updateCallback(std_::move(updateCallback))
 | |
| , _a_height(animation(this, &WidgetSlideWrap<TWidget>::step_height)) {
 | |
| 	_entity->setParent(this);
 | |
| 	_entity->moveToLeft(_padding.left(), _padding.top());
 | |
| 	_realSize = _entity->rect().marginsAdded(_padding).size();
 | |
| 	_entity->installEventFilter(this);
 | |
| 	resize(_realSize);
 | |
| }
 | |
| 
 | |
| void WidgetSlideWrap<TWidget>::slideUp() {
 | |
| 	if (isHidden()) {
 | |
| 		_forceHeight = 0;
 | |
| 		resize(_realSize.width(), _forceHeight);
 | |
| 		if (_updateCallback) _updateCallback();
 | |
| 		return;
 | |
| 	}
 | |
| 	if (_a_height.animating()) {
 | |
| 		if (_hiding) return;
 | |
| 	} else {
 | |
| 		a_height = anim::ivalue(_realSize.height());
 | |
| 	}
 | |
| 	a_height.start(0);
 | |
| 	_hiding = true;
 | |
| 	_a_height.start();
 | |
| }
 | |
| 
 | |
| void WidgetSlideWrap<TWidget>::slideDown() {
 | |
| 	if (isHidden()) {
 | |
| 		show();
 | |
| 	}
 | |
| 	if (_forceHeight < 0) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (_a_height.animating()) {
 | |
| 		if (!_hiding) return;
 | |
| 	}
 | |
| 	a_height.start(_realSize.height());
 | |
| 	_forceHeight = a_height.current();
 | |
| 	_hiding = false;
 | |
| 	_a_height.start();
 | |
| }
 | |
| 
 | |
| void WidgetSlideWrap<TWidget>::showFast() {
 | |
| 	show();
 | |
| 	_a_height.stop();
 | |
| 	resize(_realSize);
 | |
| 	if (_updateCallback) {
 | |
| 		_updateCallback();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void WidgetSlideWrap<TWidget>::hideFast() {
 | |
| 	_a_height.stop();
 | |
| 	a_height = anim::ivalue(0);
 | |
| 	_forceHeight = 0;
 | |
| 	resize(_realSize.width(), 0);
 | |
| 	hide();
 | |
| 	if (_updateCallback) {
 | |
| 		_updateCallback();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int WidgetSlideWrap<TWidget>::naturalWidth() const {
 | |
| 	auto inner = _entity->naturalWidth();
 | |
| 	return (inner < 0) ? inner : (_padding.left() + inner + _padding.right());
 | |
| }
 | |
| 
 | |
| bool WidgetSlideWrap<TWidget>::eventFilter(QObject *object, QEvent *event) {
 | |
| 	if (object == _entity && event->type() == QEvent::Resize) {
 | |
| 		_realSize = _entity->rect().marginsAdded(_padding).size();
 | |
| 		if (!_inResizeToWidth) {
 | |
| 			resize(_realSize.width(), (_forceHeight >= 0) ? _forceHeight : _realSize.height());
 | |
| 			if (_updateCallback) {
 | |
| 				_updateCallback();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return TWidget::eventFilter(object, event);
 | |
| }
 | |
| 
 | |
| int WidgetSlideWrap<TWidget>::resizeGetHeight(int newWidth) {
 | |
| 	_inResizeToWidth = true;
 | |
| 	_entity->resizeToWidth(newWidth - _padding.left() - _padding.right());
 | |
| 	_inResizeToWidth = false;
 | |
| 	return (_forceHeight >= 0) ? _forceHeight : _realSize.height();
 | |
| }
 | |
| 
 | |
| void WidgetSlideWrap<TWidget>::step_height(float64 ms, bool timer) {
 | |
| 	auto dt = ms / _duration;
 | |
| 	if (dt >= 1) {
 | |
| 		a_height.finish();
 | |
| 		_a_height.stop();
 | |
| 		_forceHeight = _hiding ? 0 : -1;
 | |
| 		if (_hiding) hide();
 | |
| 	} else {
 | |
| 		a_height.update(dt, anim::linear);
 | |
| 		_forceHeight = a_height.current();
 | |
| 	}
 | |
| 	resize(_realSize.width(), (_forceHeight >= 0) ? _forceHeight : _realSize.height());
 | |
| 	if (_updateCallback) {
 | |
| 		_updateCallback();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| } // namespace Ui
 | 
