163 lines
3.5 KiB
C++
163 lines
3.5 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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#include "ui/layers/show.h"
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namespace Ui {
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namespace {
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class ManagerShow final : public Show {
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public:
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explicit ManagerShow(not_null<LayerManager*> manager);
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~ManagerShow();
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void showBox(
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object_ptr<Ui::BoxContent> content,
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Ui::LayerOptions options = Ui::LayerOption::KeepOther) const override;
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void hideLayer() const override;
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[[nodiscard]] not_null<QWidget*> toastParent() const override;
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[[nodiscard]] bool valid() const override;
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operator bool() const override;
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private:
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const base::weak_ptr<LayerManager> _manager;
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};
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ManagerShow::ManagerShow(not_null<LayerManager*> manager)
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: _manager(manager.get()) {
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}
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ManagerShow::~ManagerShow() = default;
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void ManagerShow::showBox(
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object_ptr<Ui::BoxContent> content,
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Ui::LayerOptions options) const {
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if (const auto manager = _manager.get()) {
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manager->showBox(std::move(content), options, anim::type::normal);
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}
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}
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void ManagerShow::hideLayer() const {
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if (const auto manager = _manager.get()) {
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manager->showBox(
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object_ptr<Ui::BoxContent>{ nullptr },
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Ui::LayerOption::CloseOther,
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anim::type::normal);
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}
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}
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not_null<QWidget*> ManagerShow::toastParent() const {
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const auto manager = _manager.get();
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Ensures(manager != nullptr);
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return manager->toastParent();
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}
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bool ManagerShow::valid() const {
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return (_manager.get() != nullptr);
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}
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ManagerShow::operator bool() const {
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return valid();
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}
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} // namespace
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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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const LayerWidget *LayerManager::topShownLayer() const {
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return _layer ? _layer->topShownLayer() : nullptr;
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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, crl::guard(this, [=] {
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return std::make_shared<ManagerShow>(this);
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}));
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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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