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Accessibility: Report Button on/off state via AccessibilityValueInterface

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This commit is contained in:
ed 2021-10-07 16:36:10 +01:00
parent e6360ca4cf
commit 0000771751
1 changed files with 29 additions and 1 deletions
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30
modules/juce_gui_basics/buttons/juce_Button.cpp
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@ -722,7 +722,8 @@ public:
explicit ButtonAccessibilityHandler (Button& buttonToWrap, AccessibilityRole roleIn)
: AccessibilityHandler (buttonToWrap,
isRadioButton (buttonToWrap) ? AccessibilityRole::radioButton : roleIn,
getAccessibilityActions (buttonToWrap)),
getAccessibilityActions (buttonToWrap),
getAccessibilityInterfaces (buttonToWrap)),
button (buttonToWrap)
{
}
@ -755,6 +756,25 @@ public:
String getHelp() const override { return button.getTooltip(); }
private:
class ButtonValueInterface : public AccessibilityTextValueInterface
{
public:
explicit ButtonValueInterface (Button& buttonToWrap)
: button (buttonToWrap)
{
}
bool isReadOnly() const override { return true; }
String getCurrentValueAsString() const override { return button.getToggleState() ? "On" : "Off"; }
void setValueAsString (const String&) override {}
private:
Button& button;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonValueInterface)
};
static bool isRadioButton (const Button& button) noexcept
{
return button.getRadioGroupId() != 0;
@ -772,6 +792,14 @@ private:
return actions;
}
static Interfaces getAccessibilityInterfaces (Button& button)
{
if (button.isToggleable())
return { std::make_unique<ButtonValueInterface> (button) };
return {};
}
Button& button;
//==============================================================================