144 lines
4 KiB
C++
144 lines
4 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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#include "stdafx.h"
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#include "ui/effects/widget_slide_wrap.h"
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namespace Ui {
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WidgetSlideWrap<TWidget>::WidgetSlideWrap(QWidget *parent
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, object_ptr<TWidget> entity
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, style::margins entityPadding
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, base::lambda<void()> &&updateCallback
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, int duration) : TWidget(parent)
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, _entity(std_::move(entity))
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, _padding(entityPadding)
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, _duration(duration)
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, _updateCallback(std_::move(updateCallback)) {
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_entity->setParent(this);
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auto margins = getMargins();
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_entity->moveToLeft(margins.left() + _padding.left(), margins.top() + _padding.top());
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_realSize = _entity->rectNoMargins().marginsAdded(_padding).size();
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_entity->installEventFilter(this);
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resizeToWidth(_realSize.width());
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}
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void WidgetSlideWrap<TWidget>::slideUp() {
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if (isHidden()) {
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_forceHeight = 0;
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resizeToWidth(_realSize.width());
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if (_updateCallback) _updateCallback();
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return;
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}
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if (_a_height.animating()) {
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if (_hiding) return;
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}
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_hiding = true;
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_a_height.start([this] { animationCallback(); }, _realSize.height(), 0., _duration);
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}
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void WidgetSlideWrap<TWidget>::slideDown() {
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if (isHidden()) {
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show();
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}
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if (_forceHeight < 0) {
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return;
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}
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if (_a_height.animating()) {
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if (!_hiding) return;
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}
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_hiding = false;
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_forceHeight = qRound(_a_height.current(0.));
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_a_height.start([this] { animationCallback(); }, 0., _realSize.height(), _duration);
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}
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void WidgetSlideWrap<TWidget>::showFast() {
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show();
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_a_height.finish();
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_forceHeight = -1;
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resizeToWidth(_realSize.width());
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if (_updateCallback) {
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_updateCallback();
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}
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}
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void WidgetSlideWrap<TWidget>::hideFast() {
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_a_height.finish();
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_forceHeight = 0;
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resizeToWidth(_realSize.width());
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hide();
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if (_updateCallback) {
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_updateCallback();
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}
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}
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QMargins WidgetSlideWrap<TWidget>::getMargins() const {
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auto entityMargins = _entity->getMargins();
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if (_forceHeight < 0) {
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return entityMargins;
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}
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return QMargins(entityMargins.left(), 0, entityMargins.right(), 0);
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}
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int WidgetSlideWrap<TWidget>::naturalWidth() const {
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auto inner = _entity->naturalWidth();
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return (inner < 0) ? inner : (_padding.left() + inner + _padding.right());
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}
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bool WidgetSlideWrap<TWidget>::eventFilter(QObject *object, QEvent *event) {
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if (object == _entity && event->type() == QEvent::Resize) {
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_realSize = _entity->rectNoMargins().marginsAdded(_padding).size();
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if (!_inResizeToWidth) {
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resizeToWidth(_realSize.width());
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if (_updateCallback) {
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_updateCallback();
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}
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}
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}
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return TWidget::eventFilter(object, event);
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}
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int WidgetSlideWrap<TWidget>::resizeGetHeight(int newWidth) {
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_inResizeToWidth = true;
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auto resized = (_forceHeight >= 0);
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_entity->resizeToWidth(newWidth - _padding.left() - _padding.right());
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auto margins = getMargins();
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_entity->moveToLeft(margins.left() + _padding.left(), margins.top() + _padding.top());
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_inResizeToWidth = false;
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if (resized) {
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return _forceHeight;
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}
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return _realSize.height();
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}
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void WidgetSlideWrap<TWidget>::animationCallback() {
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_forceHeight = qRound(_a_height.current(_hiding ? 0 : -1));
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resizeToWidth(_realSize.width());
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if (!_a_height.animating()) {
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_forceHeight = _hiding ? 0 : -1;
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if (_hiding) hide();
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}
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if (_updateCallback) {
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_updateCallback();
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}
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}
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} // namespace Ui
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