paulxstretch/deps/juce/extras/Projucer/Source/Utility/UI/jucer_SlidingPanelComponent.cpp

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "../../Application/jucer_Headers.h"
#include "jucer_SlidingPanelComponent.h"
//==============================================================================
struct SlidingPanelComponent::DotButton : public Button
{
DotButton (SlidingPanelComponent& sp, int pageIndex)
: Button (String()), owner (sp), index (pageIndex) {}
void paintButton (Graphics& g, bool /*isMouseOverButton*/, bool /*isButtonDown*/) override
{
g.setColour (findColour (defaultButtonBackgroundColourId));
const auto r = getLocalBounds().reduced (getWidth() / 4).toFloat();
if (index == owner.getCurrentTabIndex())
g.fillEllipse (r);
else
g.drawEllipse (r, 1.0f);
}
void clicked() override
{
owner.goToTab (index);
}
using Button::clicked;
SlidingPanelComponent& owner;
int index;
};
//==============================================================================
SlidingPanelComponent::SlidingPanelComponent()
: currentIndex (0), dotSize (20)
{
addAndMakeVisible (pageHolder);
}
SlidingPanelComponent::~SlidingPanelComponent()
{
}
SlidingPanelComponent::PageInfo::~PageInfo()
{
if (shouldDelete)
content.deleteAndZero();
}
void SlidingPanelComponent::addTab (const String& tabName,
Component* const contentComponent,
const bool deleteComponentWhenNotNeeded,
const int insertIndex)
{
PageInfo* page = new PageInfo();
pages.insert (insertIndex, page);
page->content = contentComponent;
page->dotButton.reset (new DotButton (*this, pages.indexOf (page)));
addAndMakeVisible (page->dotButton.get());
page->name = tabName;
page->shouldDelete = deleteComponentWhenNotNeeded;
pageHolder.addAndMakeVisible (contentComponent);
resized();
}
void SlidingPanelComponent::goToTab (int targetTabIndex)
{
currentIndex = targetTabIndex;
Desktop::getInstance().getAnimator()
.animateComponent (&pageHolder, pageHolder.getBounds().withX (-targetTabIndex * getWidth()),
1.0f, 600, false, 0.0, 0.0);
repaint();
}
void SlidingPanelComponent::resized()
{
pageHolder.setBounds (-currentIndex * getWidth(), pageHolder.getPosition().y,
getNumTabs() * getWidth(), getHeight());
Rectangle<int> content (getLocalBounds());
Rectangle<int> dotHolder = content.removeFromBottom (20 + dotSize)
.reduced ((content.getWidth() - dotSize * getNumTabs()) / 2, 10);
for (int i = 0; i < getNumTabs(); ++i)
pages.getUnchecked(i)->dotButton->setBounds (dotHolder.removeFromLeft (dotSize));
for (int i = pages.size(); --i >= 0;)
if (Component* c = pages.getUnchecked(i)->content)
c->setBounds (content.translated (i * content.getWidth(), 0));
}