mirror of
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328 lines
10 KiB
C++
328 lines
10 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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namespace TabbedComponentHelpers
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{
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const Identifier deleteComponentId ("deleteByTabComp_");
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static void deleteIfNecessary (Component* comp)
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{
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if (comp != nullptr && (bool) comp->getProperties() [deleteComponentId])
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delete comp;
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}
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static Rectangle<int> getTabArea (Rectangle<int>& content, BorderSize<int>& outline,
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TabbedButtonBar::Orientation orientation, int tabDepth)
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{
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switch (orientation)
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{
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case TabbedButtonBar::TabsAtTop: outline.setTop (0); return content.removeFromTop (tabDepth);
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case TabbedButtonBar::TabsAtBottom: outline.setBottom (0); return content.removeFromBottom (tabDepth);
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case TabbedButtonBar::TabsAtLeft: outline.setLeft (0); return content.removeFromLeft (tabDepth);
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case TabbedButtonBar::TabsAtRight: outline.setRight (0); return content.removeFromRight (tabDepth);
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default: jassertfalse; break;
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}
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return Rectangle<int>();
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}
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}
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//==============================================================================
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struct TabbedComponent::ButtonBar final : public TabbedButtonBar
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{
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ButtonBar (TabbedComponent& tabComp, TabbedButtonBar::Orientation o)
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: TabbedButtonBar (o), owner (tabComp)
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{
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}
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void currentTabChanged (int newCurrentTabIndex, const String& newTabName) override
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{
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owner.changeCallback (newCurrentTabIndex, newTabName);
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}
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void popupMenuClickOnTab (int tabIndex, const String& tabName) override
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{
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owner.popupMenuClickOnTab (tabIndex, tabName);
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}
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Colour getTabBackgroundColour (int tabIndex)
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{
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return owner.tabs->getTabBackgroundColour (tabIndex);
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}
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TabBarButton* createTabButton (const String& tabName, int tabIndex) override
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{
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return owner.createTabButton (tabName, tabIndex);
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}
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TabbedComponent& owner;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonBar)
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};
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//==============================================================================
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TabbedComponent::TabbedComponent (TabbedButtonBar::Orientation orientation)
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{
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tabs.reset (new ButtonBar (*this, orientation));
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addAndMakeVisible (tabs.get());
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}
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TabbedComponent::~TabbedComponent()
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{
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clearTabs();
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tabs.reset();
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}
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//==============================================================================
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void TabbedComponent::setOrientation (TabbedButtonBar::Orientation orientation)
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{
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tabs->setOrientation (orientation);
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resized();
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}
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TabbedButtonBar::Orientation TabbedComponent::getOrientation() const noexcept
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{
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return tabs->getOrientation();
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}
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void TabbedComponent::setTabBarDepth (int newDepth)
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{
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if (tabDepth != newDepth)
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{
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tabDepth = newDepth;
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resized();
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}
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}
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TabBarButton* TabbedComponent::createTabButton (const String& tabName, int /*tabIndex*/)
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{
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return new TabBarButton (tabName, *tabs);
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}
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//==============================================================================
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void TabbedComponent::clearTabs()
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{
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if (panelComponent != nullptr)
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{
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panelComponent->setVisible (false);
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removeChildComponent (panelComponent.get());
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panelComponent = nullptr;
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}
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tabs->clearTabs();
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for (int i = contentComponents.size(); --i >= 0;)
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TabbedComponentHelpers::deleteIfNecessary (contentComponents.getReference (i));
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contentComponents.clear();
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}
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void TabbedComponent::addTab (const String& tabName,
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Colour tabBackgroundColour,
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Component* contentComponent,
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bool deleteComponentWhenNotNeeded,
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int insertIndex)
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{
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contentComponents.insert (insertIndex, WeakReference<Component> (contentComponent));
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if (deleteComponentWhenNotNeeded && contentComponent != nullptr)
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contentComponent->getProperties().set (TabbedComponentHelpers::deleteComponentId, true);
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tabs->addTab (tabName, tabBackgroundColour, insertIndex);
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resized();
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}
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void TabbedComponent::setTabName (int tabIndex, const String& newName)
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{
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tabs->setTabName (tabIndex, newName);
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}
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void TabbedComponent::removeTab (int tabIndex)
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{
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if (isPositiveAndBelow (tabIndex, contentComponents.size()))
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{
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TabbedComponentHelpers::deleteIfNecessary (contentComponents.getReference (tabIndex).get());
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contentComponents.remove (tabIndex);
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tabs->removeTab (tabIndex);
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}
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}
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void TabbedComponent::moveTab (int currentIndex, int newIndex, bool animate)
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{
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contentComponents.move (currentIndex, newIndex);
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tabs->moveTab (currentIndex, newIndex, animate);
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}
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int TabbedComponent::getNumTabs() const
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{
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return tabs->getNumTabs();
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}
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StringArray TabbedComponent::getTabNames() const
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{
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return tabs->getTabNames();
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}
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Component* TabbedComponent::getTabContentComponent (int tabIndex) const noexcept
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{
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return contentComponents[tabIndex].get();
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}
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Colour TabbedComponent::getTabBackgroundColour (int tabIndex) const noexcept
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{
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return tabs->getTabBackgroundColour (tabIndex);
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}
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void TabbedComponent::setTabBackgroundColour (int tabIndex, Colour newColour)
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{
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tabs->setTabBackgroundColour (tabIndex, newColour);
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if (getCurrentTabIndex() == tabIndex)
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repaint();
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}
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void TabbedComponent::setCurrentTabIndex (int newTabIndex, bool sendChangeMessage)
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{
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tabs->setCurrentTabIndex (newTabIndex, sendChangeMessage);
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}
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int TabbedComponent::getCurrentTabIndex() const
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{
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return tabs->getCurrentTabIndex();
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}
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String TabbedComponent::getCurrentTabName() const
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{
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return tabs->getCurrentTabName();
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}
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void TabbedComponent::setOutline (int thickness)
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{
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outlineThickness = thickness;
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resized();
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repaint();
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}
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void TabbedComponent::setIndent (int indentThickness)
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{
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edgeIndent = indentThickness;
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resized();
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repaint();
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}
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void TabbedComponent::paint (Graphics& g)
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{
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g.fillAll (findColour (backgroundColourId));
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auto content = getLocalBounds();
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BorderSize<int> outline (outlineThickness);
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TabbedComponentHelpers::getTabArea (content, outline, getOrientation(), tabDepth);
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g.reduceClipRegion (content);
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g.fillAll (tabs->getTabBackgroundColour (getCurrentTabIndex()));
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if (outlineThickness > 0)
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{
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RectangleList<int> rl (content);
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rl.subtract (outline.subtractedFrom (content));
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g.reduceClipRegion (rl);
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g.fillAll (findColour (outlineColourId));
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}
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}
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void TabbedComponent::resized()
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{
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auto content = getLocalBounds();
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BorderSize<int> outline (outlineThickness);
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tabs->setBounds (TabbedComponentHelpers::getTabArea (content, outline, getOrientation(), tabDepth));
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content = BorderSize<int> (edgeIndent).subtractedFrom (outline.subtractedFrom (content));
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for (auto& c : contentComponents)
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if (auto comp = c.get())
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comp->setBounds (content);
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}
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void TabbedComponent::lookAndFeelChanged()
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{
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for (auto& c : contentComponents)
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if (auto comp = c.get())
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comp->lookAndFeelChanged();
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}
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void TabbedComponent::changeCallback (int newCurrentTabIndex, const String& newTabName)
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{
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auto* newPanelComp = getTabContentComponent (getCurrentTabIndex());
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if (newPanelComp != panelComponent)
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{
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if (panelComponent != nullptr)
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{
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panelComponent->setVisible (false);
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removeChildComponent (panelComponent);
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}
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panelComponent = newPanelComp;
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if (panelComponent != nullptr)
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{
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// do these ops as two stages instead of addAndMakeVisible() so that the
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// component has always got a parent when it gets the visibilityChanged() callback
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addChildComponent (panelComponent);
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panelComponent->sendLookAndFeelChange();
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panelComponent->setVisible (true);
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panelComponent->toFront (true);
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}
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repaint();
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}
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resized();
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currentTabChanged (newCurrentTabIndex, newTabName);
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}
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void TabbedComponent::currentTabChanged (int, const String&) {}
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void TabbedComponent::popupMenuClickOnTab (int, const String&) {}
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//==============================================================================
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std::unique_ptr<AccessibilityHandler> TabbedComponent::createAccessibilityHandler()
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{
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return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::group);
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}
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} // namespace juce
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