97 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include "ui/layers/layer_manager.h"
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namespace Ui {
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LayerManager::LayerManager(not_null<RpWidget*> widget) : _widget(widget) {
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}
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void LayerManager::setStyleOverrides(
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		const style::Box *boxSt,
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		const style::Box *layerSt) {
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	_boxSt = boxSt;
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	_layerSt = layerSt;
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	if (_layer) {
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		_layer->setStyleOverrides(_boxSt, _layerSt);
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	}
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}
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void LayerManager::setHideByBackgroundClick(bool hide) {
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	_hideByBackgroundClick = hide;
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	if (_layer) {
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		_layer->setHideByBackgroundClick(hide);
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	}
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}
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void LayerManager::showBox(
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		object_ptr<BoxContent> box,
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		LayerOptions options,
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		anim::type animated) {
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	ensureLayerCreated();
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	_layer->showBox(std::move(box), options, animated);
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	setFocus();
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}
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void LayerManager::hideAll(anim::type animated) {
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	if (animated == anim::type::instant) {
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		destroyLayer();
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	} else if (_layer) {
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		_layer->hideAll(animated);
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	}
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}
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void LayerManager::raise() {
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	if (_layer) {
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		_layer->raise();
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	}
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}
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bool LayerManager::setFocus() {
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	if (!_layer) {
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		return false;
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	}
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	_layer->setInnerFocus();
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	return true;
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}
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void LayerManager::ensureLayerCreated() {
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	if (_layer) {
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		return;
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	}
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	_layer.emplace(_widget);
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	_layer->setHideByBackgroundClick(_hideByBackgroundClick);
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	_layer->setStyleOverrides(_boxSt, _layerSt);
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	_layer->hideFinishEvents(
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	) | rpl::filter([=] {
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		return _layer != nullptr; // Last hide finish is sent from destructor.
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	}) | rpl::start_with_next([=] {
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		destroyLayer();
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	}, _layer->lifetime());
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	_layer->move(0, 0);
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	_widget->sizeValue(
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	) | rpl::start_with_next([=](QSize size) {
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		_layer->resize(size);
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	}, _layer->lifetime());
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}
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void LayerManager::destroyLayer() {
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	if (!_layer) {
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		return;
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	}
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	auto layer = base::take(_layer);
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	const auto resetFocus = Ui::InFocusChain(layer);
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	if (resetFocus) {
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		_widget->setFocus();
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	}
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	layer = nullptr;
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}
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} // namespace Ui
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