mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
283 lines
12 KiB
C++
283 lines
12 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE framework.
|
|
Copyright (c) Raw Material Software Limited
|
|
|
|
JUCE is an open source framework subject to commercial or open source
|
|
licensing.
|
|
|
|
By downloading, installing, or using the JUCE framework, or combining the
|
|
JUCE framework with any other source code, object code, content or any other
|
|
copyrightable work, you agree to the terms of the JUCE End User Licence
|
|
Agreement, and all incorporated terms including the JUCE Privacy Policy and
|
|
the JUCE Website Terms of Service, as applicable, which will bind you. If you
|
|
do not agree to the terms of these agreements, we will not license the JUCE
|
|
framework to you, and you must discontinue the installation or download
|
|
process and cease use of the JUCE framework.
|
|
|
|
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
|
|
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
|
|
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
|
|
|
|
Or:
|
|
|
|
You may also use this code under the terms of the AGPLv3:
|
|
https://www.gnu.org/licenses/agpl-3.0.en.html
|
|
|
|
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
|
|
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
|
|
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
//==============================================================================
|
|
Component* FocusTraverser::getNextComponent (Component* current)
|
|
{
|
|
jassert (current != nullptr);
|
|
|
|
return detail::FocusHelpers::navigateFocus (current,
|
|
current->findFocusContainer(),
|
|
detail::FocusHelpers::NavigationDirection::forwards,
|
|
&Component::isFocusContainer);
|
|
}
|
|
|
|
Component* FocusTraverser::getPreviousComponent (Component* current)
|
|
{
|
|
jassert (current != nullptr);
|
|
|
|
return detail::FocusHelpers::navigateFocus (current,
|
|
current->findFocusContainer(),
|
|
detail::FocusHelpers::NavigationDirection::backwards,
|
|
&Component::isFocusContainer);
|
|
}
|
|
|
|
Component* FocusTraverser::getDefaultComponent (Component* parentComponent)
|
|
{
|
|
if (parentComponent != nullptr)
|
|
{
|
|
std::vector<Component*> components;
|
|
detail::FocusHelpers::findAllComponents (parentComponent,
|
|
components,
|
|
&Component::isFocusContainer);
|
|
|
|
if (! components.empty())
|
|
return components.front();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
std::vector<Component*> FocusTraverser::getAllComponents (Component* parentComponent)
|
|
{
|
|
std::vector<Component*> components;
|
|
detail::FocusHelpers::findAllComponents (parentComponent,
|
|
components,
|
|
&Component::isFocusContainer);
|
|
|
|
return components;
|
|
}
|
|
|
|
//==============================================================================
|
|
//==============================================================================
|
|
#if JUCE_UNIT_TESTS
|
|
|
|
struct FocusTraverserTests final : public UnitTest
|
|
{
|
|
FocusTraverserTests()
|
|
: UnitTest ("FocusTraverser", UnitTestCategories::gui)
|
|
{}
|
|
|
|
void runTest() override
|
|
{
|
|
ScopedJuceInitialiser_GUI libraryInitialiser;
|
|
const MessageManagerLock mml;
|
|
|
|
beginTest ("Basic traversal");
|
|
{
|
|
TestComponent parent;
|
|
|
|
expect (traverser.getDefaultComponent (&parent) == &parent.children.front());
|
|
|
|
for (auto iter = parent.children.begin(); iter != parent.children.end(); ++iter)
|
|
expect (traverser.getNextComponent (&(*iter)) == (iter == std::prev (parent.children.cend()) ? nullptr
|
|
: &(*std::next (iter))));
|
|
|
|
for (auto iter = parent.children.rbegin(); iter != parent.children.rend(); ++iter)
|
|
expect (traverser.getPreviousComponent (&(*iter)) == (iter == std::prev (parent.children.rend()) ? nullptr
|
|
: &(*std::next (iter))));
|
|
auto allComponents = traverser.getAllComponents (&parent);
|
|
|
|
expect (std::equal (allComponents.cbegin(), allComponents.cend(), parent.children.cbegin(),
|
|
[] (const Component* c1, const Component& c2) { return c1 == &c2; }));
|
|
}
|
|
|
|
beginTest ("Disabled components are ignored");
|
|
{
|
|
checkIgnored ([] (Component& c) { c.setEnabled (false); });
|
|
}
|
|
|
|
beginTest ("Invisible components are ignored");
|
|
{
|
|
checkIgnored ([] (Component& c) { c.setVisible (false); });
|
|
}
|
|
|
|
beginTest ("Explicit focus order comes before unspecified");
|
|
{
|
|
TestComponent parent;
|
|
|
|
auto& explicitFocusComponent = parent.children[2];
|
|
|
|
explicitFocusComponent.setExplicitFocusOrder (1);
|
|
expect (traverser.getDefaultComponent (&parent) == &explicitFocusComponent);
|
|
|
|
expect (traverser.getAllComponents (&parent).front() == &explicitFocusComponent);
|
|
}
|
|
|
|
beginTest ("Explicit focus order comparison");
|
|
{
|
|
checkComponentProperties ([this] (Component& child) { child.setExplicitFocusOrder (getRandom().nextInt ({ 1, 100 })); },
|
|
[] (const Component& c1, const Component& c2) { return c1.getExplicitFocusOrder()
|
|
<= c2.getExplicitFocusOrder(); });
|
|
}
|
|
|
|
beginTest ("Left to right");
|
|
{
|
|
checkComponentProperties ([this] (Component& child) { child.setTopLeftPosition (getRandom().nextInt ({ 0, 100 }), 0); },
|
|
[] (const Component& c1, const Component& c2) { return c1.getX() <= c2.getX(); });
|
|
}
|
|
|
|
beginTest ("Top to bottom");
|
|
{
|
|
checkComponentProperties ([this] (Component& child) { child.setTopLeftPosition (0, getRandom().nextInt ({ 0, 100 })); },
|
|
[] (const Component& c1, const Component& c2) { return c1.getY() <= c2.getY(); });
|
|
}
|
|
|
|
beginTest ("Focus containers have their own focus");
|
|
{
|
|
Component root;
|
|
|
|
TestComponent container;
|
|
container.setFocusContainerType (Component::FocusContainerType::focusContainer);
|
|
|
|
root.addAndMakeVisible (container);
|
|
|
|
expect (traverser.getDefaultComponent (&root) == &container);
|
|
expect (traverser.getNextComponent (&container) == nullptr);
|
|
expect (traverser.getPreviousComponent (&container) == nullptr);
|
|
|
|
expect (traverser.getDefaultComponent (&container) == &container.children.front());
|
|
|
|
for (auto iter = container.children.begin(); iter != container.children.end(); ++iter)
|
|
expect (traverser.getNextComponent (&(*iter)) == (iter == std::prev (container.children.cend()) ? nullptr
|
|
: &(*std::next (iter))));
|
|
|
|
for (auto iter = container.children.rbegin(); iter != container.children.rend(); ++iter)
|
|
expect (traverser.getPreviousComponent (&(*iter)) == (iter == std::prev (container.children.rend()) ? nullptr
|
|
: &(*std::next (iter))));
|
|
|
|
expect (traverser.getAllComponents (&root).size() == 1);
|
|
|
|
auto allContainerComponents = traverser.getAllComponents (&container);
|
|
|
|
expect (std::equal (allContainerComponents.cbegin(), allContainerComponents.cend(), container.children.cbegin(),
|
|
[] (const Component* c1, const Component& c2) { return c1 == &c2; }));
|
|
}
|
|
|
|
beginTest ("Non-focus containers pass-through focus");
|
|
{
|
|
Component root;
|
|
|
|
TestComponent container;
|
|
container.setFocusContainerType (Component::FocusContainerType::none);
|
|
|
|
root.addAndMakeVisible (container);
|
|
|
|
expect (traverser.getDefaultComponent (&root) == &container);
|
|
expect (traverser.getNextComponent (&container) == &container.children.front());
|
|
expect (traverser.getPreviousComponent (&container) == nullptr);
|
|
|
|
expect (traverser.getDefaultComponent (&container) == &container.children.front());
|
|
|
|
for (auto iter = container.children.begin(); iter != container.children.end(); ++iter)
|
|
expect (traverser.getNextComponent (&(*iter)) == (iter == std::prev (container.children.cend()) ? nullptr
|
|
: &(*std::next (iter))));
|
|
|
|
for (auto iter = container.children.rbegin(); iter != container.children.rend(); ++iter)
|
|
expect (traverser.getPreviousComponent (&(*iter)) == (iter == std::prev (container.children.rend()) ? &container
|
|
: &(*std::next (iter))));
|
|
|
|
expect (traverser.getAllComponents (&root).size() == container.children.size() + 1);
|
|
}
|
|
}
|
|
|
|
private:
|
|
struct TestComponent final : public Component
|
|
{
|
|
TestComponent()
|
|
{
|
|
for (auto& child : children)
|
|
addAndMakeVisible (child);
|
|
}
|
|
|
|
std::array<Component, 10> children;
|
|
};
|
|
|
|
void checkComponentProperties (std::function<void (Component&)>&& childFn,
|
|
std::function<bool (const Component&, const Component&)>&& testProperty)
|
|
{
|
|
TestComponent parent;
|
|
|
|
for (auto& child : parent.children)
|
|
childFn (child);
|
|
|
|
auto* comp = traverser.getDefaultComponent (&parent);
|
|
|
|
for (const auto& child : parent.children)
|
|
if (&child != comp)
|
|
expect (testProperty (*comp, child));
|
|
|
|
for (;;)
|
|
{
|
|
auto* next = traverser.getNextComponent (comp);
|
|
|
|
if (next == nullptr)
|
|
break;
|
|
|
|
expect (testProperty (*comp, *next));
|
|
comp = next;
|
|
}
|
|
}
|
|
|
|
void checkIgnored (const std::function<void(Component&)>& makeIgnored)
|
|
{
|
|
TestComponent parent;
|
|
|
|
auto iter = parent.children.begin();
|
|
|
|
makeIgnored (*iter);
|
|
expect (traverser.getDefaultComponent (&parent) == std::addressof (*std::next (iter)));
|
|
|
|
iter += 5;
|
|
makeIgnored (*iter);
|
|
expect (traverser.getNextComponent (std::addressof (*std::prev (iter))) == std::addressof (*std::next (iter)));
|
|
expect (traverser.getPreviousComponent (std::addressof (*std::next (iter))) == std::addressof (*std::prev (iter)));
|
|
|
|
auto allComponents = traverser.getAllComponents (&parent);
|
|
|
|
expect (std::find (allComponents.cbegin(), allComponents.cend(), &parent.children.front()) == allComponents.cend());
|
|
expect (std::find (allComponents.cbegin(), allComponents.cend(), std::addressof (*iter)) == allComponents.cend());
|
|
}
|
|
|
|
FocusTraverser traverser;
|
|
};
|
|
|
|
static FocusTraverserTests focusTraverserTests;
|
|
|
|
#endif
|
|
|
|
} // namespace juce
|