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
373
deps/juce/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.cpp
vendored
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373
deps/juce/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.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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class StringComparator
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{
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public:
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static int compareElements (var first, var second)
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{
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if (first.toString() > second.toString())
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return 1;
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else if (first.toString() < second.toString())
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return -1;
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return 0;
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}
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};
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static void updateButtonTickColour (ToggleButton* button, bool usingDefault)
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{
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button->setColour (ToggleButton::tickColourId, button->getLookAndFeel().findColour (ToggleButton::tickColourId)
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.withAlpha (usingDefault ? 0.4f : 1.0f));
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}
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//==============================================================================
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class MultiChoicePropertyComponent::MultiChoiceRemapperSource : public Value::ValueSource,
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private Value::Listener
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{
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public:
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MultiChoiceRemapperSource (const Value& source, var v, int c)
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: sourceValue (source),
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varToControl (v),
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maxChoices (c)
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{
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sourceValue.addListener (this);
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}
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var getValue() const override
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{
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if (auto* arr = sourceValue.getValue().getArray())
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if (arr->contains (varToControl))
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return true;
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return false;
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}
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void setValue (const var& newValue) override
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{
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if (auto* arr = sourceValue.getValue().getArray())
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{
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auto temp = *arr;
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if (static_cast<bool> (newValue))
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{
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if (temp.addIfNotAlreadyThere (varToControl) && (maxChoices != -1) && (temp.size() > maxChoices))
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temp.remove (temp.size() - 2);
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}
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else
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{
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temp.remove (arr->indexOf (varToControl));
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}
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StringComparator c;
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temp.sort (c);
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sourceValue = temp;
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}
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}
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private:
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Value sourceValue;
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var varToControl;
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int maxChoices;
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//==============================================================================
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void valueChanged (Value&) override { sendChangeMessage (true); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiChoiceRemapperSource)
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};
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//==============================================================================
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class MultiChoicePropertyComponent::MultiChoiceRemapperSourceWithDefault : public Value::ValueSource,
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private Value::Listener
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{
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public:
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MultiChoiceRemapperSourceWithDefault (ValueWithDefault* vwd, var v, int c, ToggleButton* b)
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: valueWithDefault (vwd),
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varToControl (v),
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sourceValue (valueWithDefault->getPropertyAsValue()),
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maxChoices (c),
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buttonToControl (b)
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{
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sourceValue.addListener (this);
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}
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var getValue() const override
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{
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if (valueWithDefault == nullptr)
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return {};
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auto v = valueWithDefault->get();
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if (auto* arr = v.getArray())
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{
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if (arr->contains (varToControl))
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{
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updateButtonTickColour (buttonToControl, valueWithDefault->isUsingDefault());
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return true;
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}
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}
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return false;
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}
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void setValue (const var& newValue) override
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{
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if (valueWithDefault == nullptr)
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return;
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auto v = valueWithDefault->get();
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OptionalScopedPointer<Array<var>> arrayToControl;
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if (valueWithDefault->isUsingDefault())
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arrayToControl.set (new Array<var>(), true); // use an empty array so the default values are overwritten
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else
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arrayToControl.set (v.getArray(), false);
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if (arrayToControl != nullptr)
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{
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auto temp = *arrayToControl;
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bool newState = newValue;
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if (valueWithDefault->isUsingDefault())
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{
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if (auto* defaultArray = v.getArray())
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{
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if (defaultArray->contains (varToControl))
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newState = true; // force the state as the user is setting it explicitly
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}
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}
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if (newState)
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{
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if (temp.addIfNotAlreadyThere (varToControl) && (maxChoices != -1) && (temp.size() > maxChoices))
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temp.remove (temp.size() - 2);
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}
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else
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{
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temp.remove (temp.indexOf (varToControl));
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}
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StringComparator c;
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temp.sort (c);
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*valueWithDefault = temp;
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if (temp.size() == 0)
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valueWithDefault->resetToDefault();
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}
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}
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private:
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//==============================================================================
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void valueChanged (Value&) override { sendChangeMessage (true); }
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//==============================================================================
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WeakReference<ValueWithDefault> valueWithDefault;
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var varToControl;
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Value sourceValue;
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int maxChoices;
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ToggleButton* buttonToControl;
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiChoiceRemapperSourceWithDefault)
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};
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//==============================================================================
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int MultiChoicePropertyComponent::getTotalButtonsHeight (int numButtons)
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{
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return numButtons * buttonHeight + 1;
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}
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MultiChoicePropertyComponent::MultiChoicePropertyComponent (const String& propertyName,
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const StringArray& choices,
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const Array<var>& correspondingValues)
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: PropertyComponent (propertyName, jmin (getTotalButtonsHeight (choices.size()), collapsedHeight))
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{
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// The array of corresponding values must contain one value for each of the items in
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// the choices array!
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jassertquiet (choices.size() == correspondingValues.size());
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for (auto choice : choices)
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addAndMakeVisible (choiceButtons.add (new ToggleButton (choice)));
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if (preferredHeight >= collapsedHeight)
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{
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expandable = true;
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maxHeight = getTotalButtonsHeight (choiceButtons.size()) + expandAreaHeight;
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}
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if (isExpandable())
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{
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{
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Path expandShape;
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expandShape.addTriangle ({ 0, 0 }, { 5, 10 }, { 10, 0});
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expandButton.setShape (expandShape, true, true, false);
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}
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expandButton.onClick = [this] { setExpanded (! expanded); };
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addAndMakeVisible (expandButton);
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lookAndFeelChanged();
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}
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}
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MultiChoicePropertyComponent::MultiChoicePropertyComponent (const Value& valueToControl,
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const String& propertyName,
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const StringArray& choices,
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const Array<var>& correspondingValues,
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int maxChoices)
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: MultiChoicePropertyComponent (propertyName, choices, correspondingValues)
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{
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// The value to control must be an array!
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jassert (valueToControl.getValue().isArray());
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for (int i = 0; i < choiceButtons.size(); ++i)
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choiceButtons[i]->getToggleStateValue().referTo (Value (new MultiChoiceRemapperSource (valueToControl,
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correspondingValues[i],
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maxChoices)));
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}
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MultiChoicePropertyComponent::MultiChoicePropertyComponent (ValueWithDefault& valueToControl,
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const String& propertyName,
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const StringArray& choices,
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const Array<var>& correspondingValues,
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int maxChoices)
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: MultiChoicePropertyComponent (propertyName, choices, correspondingValues)
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{
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valueWithDefault = &valueToControl;
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// The value to control must be an array!
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jassert (valueWithDefault->get().isArray());
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for (int i = 0; i < choiceButtons.size(); ++i)
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choiceButtons[i]->getToggleStateValue().referTo (Value (new MultiChoiceRemapperSourceWithDefault (valueWithDefault,
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correspondingValues[i],
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maxChoices,
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choiceButtons[i])));
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valueWithDefault->onDefaultChange = [this] { repaint(); };
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}
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MultiChoicePropertyComponent::~MultiChoicePropertyComponent()
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{
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if (valueWithDefault != nullptr)
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valueWithDefault->onDefaultChange = nullptr;
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}
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void MultiChoicePropertyComponent::paint (Graphics& g)
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{
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g.setColour (findColour (TextEditor::backgroundColourId));
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g.fillRect (getLookAndFeel().getPropertyComponentContentPosition (*this));
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if (isExpandable() && ! isExpanded())
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{
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g.setColour (findColour (TextEditor::backgroundColourId).contrasting().withAlpha (0.4f));
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g.drawFittedText ("+ " + String (numHidden) + " more", getLookAndFeel().getPropertyComponentContentPosition (*this)
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.removeFromBottom (expandAreaHeight).withTrimmedLeft (10),
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Justification::centredLeft, 1);
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}
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PropertyComponent::paint (g);
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}
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void MultiChoicePropertyComponent::resized()
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{
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auto bounds = getLookAndFeel().getPropertyComponentContentPosition (*this);
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if (isExpandable())
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{
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bounds.removeFromBottom (5);
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auto buttonSlice = bounds.removeFromBottom (10);
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expandButton.setSize (10, 10);
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expandButton.setCentrePosition (buttonSlice.getCentre());
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}
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numHidden = 0;
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for (auto* b : choiceButtons)
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{
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if (bounds.getHeight() >= buttonHeight)
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{
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b->setVisible (true);
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b->setBounds (bounds.removeFromTop (buttonHeight).reduced (5, 2));
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}
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else
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{
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b->setVisible (false);
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++numHidden;
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}
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}
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}
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void MultiChoicePropertyComponent::setExpanded (bool shouldBeExpanded) noexcept
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{
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if (! isExpandable() || (isExpanded() == shouldBeExpanded))
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return;
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expanded = shouldBeExpanded;
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preferredHeight = expanded ? maxHeight : collapsedHeight;
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if (auto* propertyPanel = findParentComponentOfClass<PropertyPanel>())
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propertyPanel->resized();
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if (onHeightChange != nullptr)
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onHeightChange();
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expandButton.setTransform (AffineTransform::rotation (expanded ? MathConstants<float>::pi : MathConstants<float>::twoPi,
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(float) expandButton.getBounds().getCentreX(),
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(float) expandButton.getBounds().getCentreY()));
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resized();
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}
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//==============================================================================
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void MultiChoicePropertyComponent::lookAndFeelChanged()
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{
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auto iconColour = findColour (TextEditor::backgroundColourId).contrasting();
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expandButton.setColours (iconColour, iconColour.darker(), iconColour.darker());
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if (valueWithDefault != nullptr)
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{
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auto usingDefault = valueWithDefault->isUsingDefault();
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for (auto* button : choiceButtons)
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updateButtonTickColour (button, usingDefault);
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}
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}
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} // namespace juce
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Reference in New Issue
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