git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
This commit is contained in:
essej
302
deps/juce/modules/juce_gui_basics/menus/juce_BurgerMenuComponent.cpp
vendored
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302
deps/juce/modules/juce_gui_basics/menus/juce_BurgerMenuComponent.cpp
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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struct CustomMenuBarItemHolder : public Component
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{
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CustomMenuBarItemHolder (const ReferenceCountedObjectPtr<PopupMenu::CustomComponent>& customComponent)
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{
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setInterceptsMouseClicks (false, true);
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update (customComponent);
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}
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void update (const ReferenceCountedObjectPtr<PopupMenu::CustomComponent>& newComponent)
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{
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jassert (newComponent != nullptr);
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if (newComponent != custom)
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{
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if (custom != nullptr)
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removeChildComponent (custom.get());
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custom = newComponent;
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addAndMakeVisible (*custom);
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resized();
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}
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}
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void resized() override
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{
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custom->setBounds (getLocalBounds());
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}
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ReferenceCountedObjectPtr<PopupMenu::CustomComponent> custom;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CustomMenuBarItemHolder)
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};
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//==============================================================================
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BurgerMenuComponent::BurgerMenuComponent (MenuBarModel* modelToUse)
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{
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lookAndFeelChanged();
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listBox.addMouseListener (this, true);
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setModel (modelToUse);
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addAndMakeVisible (listBox);
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}
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BurgerMenuComponent::~BurgerMenuComponent()
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{
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if (model != nullptr)
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model->removeListener (this);
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}
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void BurgerMenuComponent::setModel (MenuBarModel* newModel)
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{
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if (newModel != model)
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{
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if (model != nullptr)
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model->removeListener (this);
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model = newModel;
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if (model != nullptr)
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model->addListener (this);
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refresh();
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listBox.updateContent();
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}
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}
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MenuBarModel* BurgerMenuComponent::getModel() const noexcept
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{
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return model;
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}
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void BurgerMenuComponent::refresh()
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{
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lastRowClicked = inputSourceIndexOfLastClick = -1;
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rows.clear();
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if (model != nullptr)
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{
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auto menuBarNames = model->getMenuBarNames();
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for (auto menuIdx = 0; menuIdx < menuBarNames.size(); ++menuIdx)
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{
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PopupMenu::Item menuItem;
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menuItem.text = menuBarNames[menuIdx];
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String ignore;
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auto menu = model->getMenuForIndex (menuIdx, ignore);
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rows.add (Row { true, menuIdx, menuItem });
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addMenuBarItemsForMenu (menu, menuIdx);
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}
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}
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}
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void BurgerMenuComponent::addMenuBarItemsForMenu (PopupMenu& menu, int menuIdx)
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{
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for (PopupMenu::MenuItemIterator it (menu); it.next();)
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{
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auto& item = it.getItem();
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if (item.isSeparator)
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continue;
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if (hasSubMenu (item))
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addMenuBarItemsForMenu (*item.subMenu, menuIdx);
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else
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rows.add (Row {false, menuIdx, it.getItem()});
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}
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}
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int BurgerMenuComponent::getNumRows()
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{
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return rows.size();
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}
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void BurgerMenuComponent::paint (Graphics& g)
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{
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getLookAndFeel().drawPopupMenuBackground (g, getWidth(), getHeight());
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}
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void BurgerMenuComponent::paintListBoxItem (int rowIndex, Graphics& g, int w, int h, bool highlight)
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{
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auto& lf = getLookAndFeel();
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Rectangle<int> r (w, h);
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auto row = (rowIndex < rows.size() ? rows.getReference (rowIndex)
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: Row { true, 0, {} });
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g.fillAll (findColour (PopupMenu::backgroundColourId));
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if (row.isMenuHeader)
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{
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lf.drawPopupMenuSectionHeader (g, r.reduced (20, 0), row.item.text);
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g.setColour (Colours::grey);
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g.fillRect (r.withHeight (1));
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}
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else
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{
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auto& item = row.item;
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auto* colour = item.colour != Colour() ? &item.colour : nullptr;
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if (item.customComponent == nullptr)
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lf.drawPopupMenuItem (g, r.reduced (20, 0),
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item.isSeparator,
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item.isEnabled,
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highlight,
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item.isTicked,
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hasSubMenu (item),
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item.text,
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item.shortcutKeyDescription,
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item.image.get(),
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colour);
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}
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}
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bool BurgerMenuComponent::hasSubMenu (const PopupMenu::Item& item)
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{
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return item.subMenu != nullptr && (item.itemID == 0 || item.subMenu->getNumItems() > 0);
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}
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void BurgerMenuComponent::listBoxItemClicked (int rowIndex, const MouseEvent& e)
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{
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auto row = rowIndex < rows.size() ? rows.getReference (rowIndex)
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: Row { true, 0, {} };
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if (! row.isMenuHeader)
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{
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lastRowClicked = rowIndex;
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inputSourceIndexOfLastClick = e.source.getIndex();
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}
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}
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Component* BurgerMenuComponent::refreshComponentForRow (int rowIndex, bool isRowSelected, Component* existing)
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{
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auto row = rowIndex < rows.size() ? rows.getReference (rowIndex)
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: Row { true, 0, {} };
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auto hasCustomComponent = (row.item.customComponent != nullptr);
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if (existing == nullptr && hasCustomComponent)
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return new CustomMenuBarItemHolder (row.item.customComponent);
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if (existing != nullptr)
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{
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auto* componentToUpdate = dynamic_cast<CustomMenuBarItemHolder*> (existing);
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jassert (componentToUpdate != nullptr);
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if (hasCustomComponent && componentToUpdate != nullptr)
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{
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row.item.customComponent->setHighlighted (isRowSelected);
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componentToUpdate->update (row.item.customComponent);
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}
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else
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{
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delete existing;
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existing = nullptr;
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}
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}
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return existing;
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}
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void BurgerMenuComponent::resized()
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{
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listBox.setBounds (getLocalBounds());
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}
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void BurgerMenuComponent::menuBarItemsChanged (MenuBarModel* menuBarModel)
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{
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setModel (menuBarModel);
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}
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void BurgerMenuComponent::menuCommandInvoked (MenuBarModel*, const ApplicationCommandTarget::InvocationInfo&)
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{
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}
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void BurgerMenuComponent::mouseUp (const MouseEvent& event)
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{
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auto rowIndex = listBox.getSelectedRow();
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if (rowIndex == lastRowClicked && rowIndex < rows.size()
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&& event.source.getIndex() == inputSourceIndexOfLastClick)
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{
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auto& row = rows.getReference (rowIndex);
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if (! row.isMenuHeader)
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{
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listBox.selectRow (-1);
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lastRowClicked = -1;
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inputSourceIndexOfLastClick = -1;
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topLevelIndexClicked = row.topLevelMenuIndex;
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auto& item = row.item;
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if (auto* managerOfChosenCommand = item.commandManager)
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{
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ApplicationCommandTarget::InvocationInfo info (item.itemID);
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info.invocationMethod = ApplicationCommandTarget::InvocationInfo::fromMenu;
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managerOfChosenCommand->invoke (info, true);
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}
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postCommandMessage (item.itemID);
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}
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}
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}
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void BurgerMenuComponent::handleCommandMessage (int commandID)
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{
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if (model != nullptr)
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{
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model->menuItemSelected (commandID, topLevelIndexClicked);
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topLevelIndexClicked = -1;
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refresh();
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listBox.updateContent();
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}
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}
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void BurgerMenuComponent::lookAndFeelChanged()
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{
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listBox.setRowHeight (roundToInt (getLookAndFeel().getPopupMenuFont().getHeight() * 2.0f));
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}
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//==============================================================================
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std::unique_ptr<AccessibilityHandler> BurgerMenuComponent::createAccessibilityHandler()
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{
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return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::menuBar);
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}
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} // namespace juce
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