mirror of
https://github.com/juce-framework/JUCE.git
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398 lines
14 KiB
C++
398 lines
14 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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#pragma once
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//==============================================================================
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class ButtonHandler : public ComponentTypeHandler
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{
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public:
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ButtonHandler (const String& typeDescription_,
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const String& className_,
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const std::type_info& componentClass,
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const int defaultWidth_,
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const int defaultHeight_)
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: ComponentTypeHandler (typeDescription_, className_, componentClass,
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defaultWidth_, defaultHeight_)
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{}
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void getEditableProperties (Component* component, JucerDocument& document,
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Array<PropertyComponent*>& props, bool multipleSelected) override
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{
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ComponentTypeHandler::getEditableProperties (component, document, props, multipleSelected);
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if (multipleSelected)
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return;
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if (auto* b = dynamic_cast<Button*> (component))
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{
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props.add (new ButtonTextProperty (b, document));
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props.add (new ButtonCallbackProperty (b, document));
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props.add (new ButtonRadioGroupProperty (b, document));
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props.add (new ButtonConnectedEdgeProperty ("connected left", Button::ConnectedOnLeft, b, document));
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props.add (new ButtonConnectedEdgeProperty ("connected right", Button::ConnectedOnRight, b, document));
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props.add (new ButtonConnectedEdgeProperty ("connected top", Button::ConnectedOnTop, b, document));
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props.add (new ButtonConnectedEdgeProperty ("connected bottom", Button::ConnectedOnBottom, b, document));
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}
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}
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XmlElement* createXmlFor (Component* comp, const ComponentLayout* layout) override
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{
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Button* const b = dynamic_cast<Button*> (comp);
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XmlElement* e = ComponentTypeHandler::createXmlFor (comp, layout);
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e->setAttribute ("buttonText", b->getButtonText());
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e->setAttribute ("connectedEdges", b->getConnectedEdgeFlags());
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e->setAttribute ("needsCallback", needsButtonListener (b));
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e->setAttribute ("radioGroupId", b->getRadioGroupId());
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return e;
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}
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bool restoreFromXml (const XmlElement& xml, Component* comp, const ComponentLayout* layout) override
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{
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Button* const b = dynamic_cast<Button*> (comp);
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if (! ComponentTypeHandler::restoreFromXml (xml, comp, layout))
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return false;
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b->setButtonText (xml.getStringAttribute ("buttonText", b->getButtonText()));
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b->setConnectedEdges (xml.getIntAttribute ("connectedEdges", 0));
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setNeedsButtonListener (b, xml.getBoolAttribute ("needsCallback", true));
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b->setRadioGroupId (xml.getIntAttribute ("radioGroupId", 0));
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return true;
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}
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String getCreationParameters (GeneratedCode&, Component* component) override
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{
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return quotedString (component->getName(), false);
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}
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void fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName) override
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{
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ComponentTypeHandler::fillInCreationCode (code, component, memberVariableName);
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Button* const b = dynamic_cast<Button*> (component);
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if (b->getButtonText() != b->getName())
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{
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code.constructorCode
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<< memberVariableName << "->setButtonText ("
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<< quotedString (b->getButtonText(), code.shouldUseTransMacro()) << ");\n";
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}
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if (b->getConnectedEdgeFlags() != 0)
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{
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StringArray flags;
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if (b->isConnectedOnLeft())
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flags.add ("juce::Button::ConnectedOnLeft");
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if (b->isConnectedOnRight())
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flags.add ("juce::Button::ConnectedOnRight");
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if (b->isConnectedOnTop())
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flags.add ("juce::Button::ConnectedOnTop");
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if (b->isConnectedOnBottom())
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flags.add ("juce::Button::ConnectedOnBottom");
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String s;
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s << memberVariableName << "->setConnectedEdges ("
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<< flags.joinIntoString (" | ") << ");\n";
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code.constructorCode += s;
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}
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if (b->getRadioGroupId() != 0)
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code.constructorCode << memberVariableName << "->setRadioGroupId ("
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<< b->getRadioGroupId() << ");\n";
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if (needsButtonListener (component))
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code.constructorCode << memberVariableName << "->addListener (this);\n";
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}
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void fillInGeneratedCode (Component* component, GeneratedCode& code) override
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{
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ComponentTypeHandler::fillInGeneratedCode (component, code);
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if (needsButtonListener (component))
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{
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String& callback = code.getCallbackCode ("public juce::Button::Listener",
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"void",
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"buttonClicked (juce::Button* buttonThatWasClicked)",
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true);
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if (callback.isNotEmpty())
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callback << "else ";
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const String memberVariableName (code.document->getComponentLayout()->getComponentMemberVariableName (component));
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const String userCodeComment ("UserButtonCode_" + memberVariableName);
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callback
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<< "if (buttonThatWasClicked == " << memberVariableName << ".get())\n"
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<< "{\n //[" << userCodeComment << "] -- add your button handler code here..\n //[/" << userCodeComment << "]\n}\n";
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}
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}
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static bool needsButtonListener (Component* button)
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{
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return button->getProperties().getWithDefault ("generateListenerCallback", true);
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}
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static void setNeedsButtonListener (Component* button, const bool shouldDoCallback)
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{
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button->getProperties().set ("generateListenerCallback", shouldDoCallback);
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}
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private:
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//==============================================================================
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class ButtonTextProperty : public ComponentTextProperty <Button>
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{
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public:
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ButtonTextProperty (Button* button_, JucerDocument& doc)
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: ComponentTextProperty <Button> ("text", 100, false, button_, doc)
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{
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}
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void setText (const String& newText) override
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{
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document.perform (new ButtonTextChangeAction (component, *document.getComponentLayout(), newText),
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"Change button text");
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}
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String getText() const override
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{
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return component->getButtonText();
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}
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private:
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class ButtonTextChangeAction : public ComponentUndoableAction <Button>
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{
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public:
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ButtonTextChangeAction (Button* const comp, ComponentLayout& l, const String& newName_)
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: ComponentUndoableAction <Button> (comp, l),
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newName (newName_)
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{
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oldName = comp->getButtonText();
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}
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bool perform() override
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{
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showCorrectTab();
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getComponent()->setButtonText (newName);
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changed();
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return true;
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}
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bool undo() override
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{
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showCorrectTab();
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getComponent()->setButtonText (oldName);
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changed();
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return true;
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}
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String newName, oldName;
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};
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};
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class ButtonCallbackProperty : public ComponentBooleanProperty <Button>
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{
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public:
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ButtonCallbackProperty (Button* b, JucerDocument& doc)
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: ComponentBooleanProperty <Button> ("callback", "Generate ButtonListener", "Generate ButtonListener", b, doc)
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{
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}
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void setState (bool newState) override
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{
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document.perform (new ButtonCallbackChangeAction (component, *document.getComponentLayout(), newState),
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"Change button callback");
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}
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bool getState() const override { return needsButtonListener (component); }
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private:
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class ButtonCallbackChangeAction : public ComponentUndoableAction <Button>
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{
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public:
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ButtonCallbackChangeAction (Button* const comp, ComponentLayout& l, const bool newState_)
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: ComponentUndoableAction <Button> (comp, l),
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newState (newState_)
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{
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oldState = needsButtonListener (comp);
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}
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bool perform() override
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{
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showCorrectTab();
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setNeedsButtonListener (getComponent(), newState);
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changed();
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return true;
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}
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bool undo() override
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{
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showCorrectTab();
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setNeedsButtonListener (getComponent(), oldState);
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changed();
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return true;
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}
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bool newState, oldState;
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};
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};
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class ButtonRadioGroupProperty : public ComponentTextProperty <Button>
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{
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public:
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ButtonRadioGroupProperty (Button* const button_, JucerDocument& doc)
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: ComponentTextProperty <Button> ("radio group", 10, false, button_, doc)
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{
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}
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void setText (const String& newText) override
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{
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document.perform (new ButtonRadioGroupChangeAction (component, *document.getComponentLayout(), newText.getIntValue()),
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"Change radio group ID");
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}
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String getText() const override
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{
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return String (component->getRadioGroupId());
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}
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private:
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class ButtonRadioGroupChangeAction : public ComponentUndoableAction <Button>
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{
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public:
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ButtonRadioGroupChangeAction (Button* const comp, ComponentLayout& l, const int newId_)
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: ComponentUndoableAction <Button> (comp, l),
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newId (newId_)
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{
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oldId = comp->getRadioGroupId();
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}
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bool perform() override
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{
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showCorrectTab();
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getComponent()->setRadioGroupId (newId);
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changed();
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return true;
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}
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bool undo() override
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{
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showCorrectTab();
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getComponent()->setRadioGroupId (oldId);
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changed();
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return true;
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}
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int newId, oldId;
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};
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};
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class ButtonConnectedEdgeProperty : public ComponentBooleanProperty <Button>
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{
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public:
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ButtonConnectedEdgeProperty (const String& name, const int flag_,
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Button* b, JucerDocument& doc)
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: ComponentBooleanProperty <Button> (name, "Connected", "Connected", b, doc),
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flag (flag_)
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{
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}
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void setState (bool newState) override
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{
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document.perform (new ButtonConnectedChangeAction (component, *document.getComponentLayout(), flag, newState),
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"Change button connected edges");
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}
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bool getState() const override
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{
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return (component->getConnectedEdgeFlags() & flag) != 0;
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}
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private:
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const int flag;
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class ButtonConnectedChangeAction : public ComponentUndoableAction <Button>
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{
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public:
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ButtonConnectedChangeAction (Button* const comp, ComponentLayout& l, const int flag_, const bool newState_)
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: ComponentUndoableAction <Button> (comp, l),
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flag (flag_),
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newState (newState_)
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{
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oldState = ((comp->getConnectedEdgeFlags() & flag) != 0);
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}
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bool perform() override
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{
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showCorrectTab();
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if (newState)
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getComponent()->setConnectedEdges (getComponent()->getConnectedEdgeFlags() | flag);
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else
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getComponent()->setConnectedEdges (getComponent()->getConnectedEdgeFlags() & ~flag);
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changed();
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return true;
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}
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bool undo() override
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{
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showCorrectTab();
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if (oldState)
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getComponent()->setConnectedEdges (getComponent()->getConnectedEdgeFlags() | flag);
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else
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getComponent()->setConnectedEdges (getComponent()->getConnectedEdgeFlags() & ~flag);
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changed();
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return true;
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}
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const int flag;
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bool newState, oldState;
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};
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};
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};
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