mirror of
https://github.com/juce-framework/JUCE.git
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783 lines
28 KiB
C++
783 lines
28 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 LabelHandler : public ComponentTypeHandler
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{
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public:
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LabelHandler()
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: ComponentTypeHandler ("Label", "juce::Label", typeid (Label), 150, 24)
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{
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registerColour (juce::Label::backgroundColourId, "background", "bkgCol");
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registerColour (juce::Label::textColourId, "text", "textCol");
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registerColour (juce::Label::outlineColourId, "outline", "outlineCol");
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registerColour (juce::TextEditor::textColourId, "editor text", "edTextCol");
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registerColour (juce::TextEditor::backgroundColourId, "editor bkg", "edBkgCol");
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registerColour (juce::TextEditor::highlightColourId, "highlight", "hiliteCol");
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}
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Component* createNewComponent (JucerDocument*) override
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{
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return new Label ("new label", "label text");
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}
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XmlElement* createXmlFor (Component* comp, const ComponentLayout* layout) override
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{
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Label* const l = dynamic_cast<Label*> (comp);
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XmlElement* e = ComponentTypeHandler::createXmlFor (comp, layout);
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e->setAttribute ("labelText", l->getText());
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e->setAttribute ("editableSingleClick", l->isEditableOnSingleClick());
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e->setAttribute ("editableDoubleClick", l->isEditableOnDoubleClick());
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e->setAttribute ("focusDiscardsChanges", l->doesLossOfFocusDiscardChanges());
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e->setAttribute ("fontname", l->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()).toString());
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e->setAttribute ("fontsize", roundToInt (l->getFont().getHeight() * 100.0) / 100.0);
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e->setAttribute ("kerning", roundToInt (l->getFont().getExtraKerningFactor() * 1000.0) / 1000.0);
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e->setAttribute ("bold", l->getFont().isBold());
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e->setAttribute ("italic", l->getFont().isItalic());
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e->setAttribute ("justification", l->getJustificationType().getFlags());
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if (l->getFont().getTypefaceStyle() != "Regular")
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{
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e->setAttribute ("typefaceStyle", l->getFont().getTypefaceStyle());
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}
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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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Label* const l = dynamic_cast<Label*> (comp);
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if (! ComponentTypeHandler::restoreFromXml (xml, comp, layout))
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return false;
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Label defaultLabel;
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Font font { FontOptions{} };
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font.setHeight ((float) xml.getDoubleAttribute ("fontsize", 15.0));
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font.setBold (xml.getBoolAttribute ("bold", false));
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font.setItalic (xml.getBoolAttribute ("italic", false));
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font.setExtraKerningFactor ((float) xml.getDoubleAttribute ("kerning", 0.0));
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auto fontStyle = xml.getStringAttribute ("typefaceStyle");
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if (! fontStyle.isEmpty())
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font.setTypefaceStyle (fontStyle);
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l->setFont (font);
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l->getProperties().set ("typefaceName", xml.getStringAttribute ("fontname", FontPropertyComponent::getDefaultFont()));
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updateLabelFont (l);
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l->setJustificationType (Justification (xml.getIntAttribute ("justification", Justification::centred)));
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l->setText (xml.getStringAttribute ("labelText", "Label Text"), dontSendNotification);
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l->setEditable (xml.getBoolAttribute ("editableSingleClick", defaultLabel.isEditableOnSingleClick()),
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xml.getBoolAttribute ("editableDoubleClick", defaultLabel.isEditableOnDoubleClick()),
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xml.getBoolAttribute ("focusDiscardsChanges", defaultLabel.doesLossOfFocusDiscardChanges()));
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return true;
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}
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static void updateLabelFont (Label* label)
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{
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Font f (label->getFont());
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f = FontPropertyComponent::applyNameToFont (label->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()), f);
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label->setFont (f);
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}
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String getCreationParameters (GeneratedCode& code, Component* component) override
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{
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Label* const l = dynamic_cast<Label*> (component);
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return quotedString (component->getName(), false)
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+ ",\n"
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+ quotedString (l->getText(), code.shouldUseTransMacro());
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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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Label* const l = dynamic_cast<Label*> (component);
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String s;
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s << memberVariableName << "->setFont ("
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<< FontPropertyComponent::getCompleteFontCode (l->getFont(), l->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()))
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<< ");\n"
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<< memberVariableName << "->setJustificationType ("
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<< CodeHelpers::justificationToCode (l->getJustificationType())
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<< ");\n"
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<< memberVariableName << "->setEditable ("
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<< CodeHelpers::boolLiteral (l->isEditableOnSingleClick()) << ", "
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<< CodeHelpers::boolLiteral (l->isEditableOnDoubleClick()) << ", "
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<< CodeHelpers::boolLiteral (l->doesLossOfFocusDiscardChanges()) << ");\n"
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<< getColourIntialisationCode (component, memberVariableName);
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if (needsCallback (component))
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s << memberVariableName << "->addListener (this);\n";
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s << '\n';
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code.constructorCode += s;
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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 (needsCallback (component))
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{
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String& callback = code.getCallbackCode ("public juce::Label::Listener",
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"void",
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"labelTextChanged (juce::Label* labelThatHasChanged)",
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true);
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if (callback.trim().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 ("UserLabelCode_" + memberVariableName);
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callback
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<< "if (labelThatHasChanged == " << memberVariableName << ".get())\n"
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<< "{\n //[" << userCodeComment << "] -- add your label text handling code here..\n //[/" << userCodeComment << "]\n}\n";
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}
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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* const l = dynamic_cast<Label*> (component))
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{
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props.add (new LabelTextProperty (l, document));
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props.add (new LabelJustificationProperty (l, document));
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props.add (new FontNameProperty (l, document));
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props.add (new FontStyleProperty (l, document));
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props.add (new FontSizeProperty (l, document));
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props.add (new FontKerningProperty (l, document));
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props.add (new LabelEditableProperty (l, document));
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if (l->isEditableOnDoubleClick() || l->isEditableOnSingleClick())
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props.add (new LabelLossOfFocusProperty (l, document));
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}
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addColourProperties (component, document, props);
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}
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static bool needsCallback (Component* label)
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{
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return ((Label*) label)->isEditableOnSingleClick()
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|| ((Label*) label)->isEditableOnDoubleClick(); // xxx should be configurable
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}
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private:
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//==============================================================================
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class LabelTextProperty : public ComponentTextProperty <Label>
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{
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public:
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LabelTextProperty (Label* comp, JucerDocument& doc)
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: ComponentTextProperty <Label> ("text", 10000, true, comp, doc)
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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 LabelTextChangeAction (component, *document.getComponentLayout(), newText),
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"Change Label text");
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}
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String getText() const override
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{
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return component->getText();
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}
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private:
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class LabelTextChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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LabelTextChangeAction (Label* const comp, ComponentLayout& l, const String& newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_)
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{
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oldState = comp->getText();
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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()->setText (newState, dontSendNotification);
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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()->setText (oldState, dontSendNotification);
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changed();
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return true;
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}
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String newState, oldState;
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};
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};
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//==============================================================================
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class LabelEditableProperty : public ComponentChoiceProperty <Label>
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{
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public:
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LabelEditableProperty (Label* comp, JucerDocument& doc)
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: ComponentChoiceProperty <Label> ("editing", comp, doc)
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{
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choices.add ("read-only");
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choices.add ("edit on single-click");
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choices.add ("edit on double-click");
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}
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void setIndex (int newIndex) override
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{
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document.perform (new LabelEditableChangeAction (component, *document.getComponentLayout(), newIndex),
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"Change Label editability");
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}
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int getIndex() const override
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{
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return component->isEditableOnSingleClick()
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? 1
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: (component->isEditableOnDoubleClick() ? 2 : 0);
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}
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private:
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class LabelEditableChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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LabelEditableChangeAction (Label* const comp, ComponentLayout& l, const int newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_)
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{
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oldState = comp->isEditableOnSingleClick()
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? 1
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: (comp->isEditableOnDoubleClick() ? 2 : 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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getComponent()->setEditable (newState == 1, newState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
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changed();
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layout.getSelectedSet().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()->setEditable (oldState == 1, oldState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
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changed();
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layout.getSelectedSet().changed();
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return true;
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}
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int newState, oldState;
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};
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};
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//==============================================================================
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class LabelLossOfFocusProperty : public ComponentChoiceProperty <Label>
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{
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public:
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LabelLossOfFocusProperty (Label* comp, JucerDocument& doc)
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: ComponentChoiceProperty <Label> ("focus", comp, doc)
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{
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choices.add ("loss of focus discards changes");
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choices.add ("loss of focus commits changes");
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}
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void setIndex (int newIndex) override
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{
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document.perform (new LabelFocusLossChangeAction (component, *document.getComponentLayout(), newIndex == 0),
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"Change Label focus behaviour");
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}
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int getIndex() const override
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{
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return component->doesLossOfFocusDiscardChanges() ? 0 : 1;
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}
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private:
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class LabelFocusLossChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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LabelFocusLossChangeAction (Label* const comp, ComponentLayout& l, const bool newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_)
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{
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oldState = comp->doesLossOfFocusDiscardChanges();
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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()->setEditable (getComponent()->isEditableOnSingleClick(),
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getComponent()->isEditableOnDoubleClick(),
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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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getComponent()->setEditable (getComponent()->isEditableOnSingleClick(),
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getComponent()->isEditableOnDoubleClick(),
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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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//==============================================================================
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class LabelJustificationProperty : public JustificationProperty,
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private ChangeListener
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{
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public:
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LabelJustificationProperty (Label* const label_, JucerDocument& doc)
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: JustificationProperty ("layout", false),
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label (label_),
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document (doc)
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{
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document.addChangeListener (this);
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}
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~LabelJustificationProperty() override
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{
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document.removeChangeListener (this);
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}
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void setJustification (Justification newJustification) override
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{
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document.perform (new LabelJustifyChangeAction (label, *document.getComponentLayout(), newJustification),
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"Change Label justification");
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}
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Justification getJustification() const override
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{
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return label->getJustificationType();
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}
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private:
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void changeListenerCallback (ChangeBroadcaster*) override { refresh(); }
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Label* const label;
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JucerDocument& document;
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class LabelJustifyChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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LabelJustifyChangeAction (Label* const comp, ComponentLayout& l, Justification newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_),
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oldState (comp->getJustificationType())
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{
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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()->setJustificationType (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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getComponent()->setJustificationType (oldState);
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changed();
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return true;
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}
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Justification newState, oldState;
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};
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};
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//==============================================================================
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class FontNameProperty : public FontPropertyComponent,
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private ChangeListener
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{
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public:
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FontNameProperty (Label* const label_, JucerDocument& doc)
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: FontPropertyComponent ("font"),
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label (label_),
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document (doc)
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{
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document.addChangeListener (this);
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}
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~FontNameProperty() override
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{
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document.removeChangeListener (this);
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}
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void setTypefaceName (const String& newFontName) override
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{
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document.perform (new FontNameChangeAction (label, *document.getComponentLayout(), newFontName),
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"Change Label typeface");
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}
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String getTypefaceName() const override
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{
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return label->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont());
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}
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private:
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void changeListenerCallback (ChangeBroadcaster*) override { refresh(); }
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Label* const label;
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JucerDocument& document;
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class FontNameChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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FontNameChangeAction (Label* const comp, ComponentLayout& l, const String& newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_)
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{
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oldState = comp->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont());
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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()->getProperties().set ("typefaceName", newState);
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LabelHandler::updateLabelFont (getComponent());
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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()->getProperties().set ("typefaceName", oldState);
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LabelHandler::updateLabelFont (getComponent());
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changed();
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return true;
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}
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String newState, oldState;
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};
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};
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//==============================================================================
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class FontSizeProperty : public SliderPropertyComponent,
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private ChangeListener
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{
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public:
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FontSizeProperty (Label* const label_, JucerDocument& doc)
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: SliderPropertyComponent ("size", 1.0, 250.0, 0.1, 0.3),
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label (label_),
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document (doc)
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{
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document.addChangeListener (this);
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}
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~FontSizeProperty() override
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{
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document.removeChangeListener (this);
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}
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void setValue (double newValue) override
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{
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document.getUndoManager().undoCurrentTransactionOnly();
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document.perform (new FontSizeChangeAction (label, *document.getComponentLayout(), (float) newValue),
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"Change Label font size");
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}
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double getValue() const override
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{
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return label->getFont().getHeight();
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}
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private:
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void changeListenerCallback (ChangeBroadcaster*) override { refresh(); }
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Label* const label;
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JucerDocument& document;
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class FontSizeChangeAction : public ComponentUndoableAction <Label>
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{
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public:
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FontSizeChangeAction (Label* const comp, ComponentLayout& l, const float newState_)
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: ComponentUndoableAction <Label> (comp, l),
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newState (newState_)
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{
|
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oldState = comp->getFont().getHeight();
|
|
}
|
|
|
|
bool perform() override
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setHeight ((float) newState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo() override
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setHeight ((float) oldState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
float newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontStyleProperty : public ChoicePropertyComponent,
|
|
private ChangeListener
|
|
{
|
|
public:
|
|
FontStyleProperty (Label* const label_, JucerDocument& doc)
|
|
: ChoicePropertyComponent ("style"),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
|
|
updateStylesList (label->getFont());
|
|
}
|
|
|
|
~FontStyleProperty() override
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void updateStylesList (const Font& newFont)
|
|
{
|
|
if (getNumChildComponents() > 0)
|
|
{
|
|
if (auto cb = dynamic_cast<ComboBox*> (getChildComponent (0)))
|
|
cb->clear();
|
|
|
|
getChildComponent (0)->setVisible (false);
|
|
removeAllChildren();
|
|
}
|
|
|
|
choices.clear();
|
|
|
|
choices.add ("Regular");
|
|
choices.add ("Bold");
|
|
choices.add ("Italic");
|
|
choices.add ("Bold Italic");
|
|
|
|
choices.mergeArray (newFont.getAvailableStyles());
|
|
refresh();
|
|
}
|
|
|
|
void setIndex (int newIndex) override
|
|
{
|
|
Font f (label->getFont());
|
|
|
|
if (f.getAvailableStyles().contains (choices[newIndex]))
|
|
{
|
|
f.setBold (false);
|
|
f.setItalic (false);
|
|
f.setTypefaceStyle (choices[newIndex]);
|
|
}
|
|
else
|
|
{
|
|
f.setTypefaceStyle ("Regular");
|
|
f.setBold (newIndex == 1 || newIndex == 3);
|
|
f.setItalic (newIndex == 2 || newIndex == 3);
|
|
}
|
|
|
|
document.perform (new FontStyleChangeAction (label, *document.getComponentLayout(), f),
|
|
"Change Label font style");
|
|
}
|
|
|
|
int getIndex() const override
|
|
{
|
|
auto f = label->getFont();
|
|
|
|
const auto typefaceIndex = choices.indexOf (f.getTypefaceStyle());
|
|
if (typefaceIndex == -1)
|
|
{
|
|
if (f.isBold() && f.isItalic())
|
|
return 3;
|
|
else if (f.isBold())
|
|
return 1;
|
|
else if (f.isItalic())
|
|
return 2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
return typefaceIndex;
|
|
}
|
|
|
|
private:
|
|
void changeListenerCallback (ChangeBroadcaster*) override
|
|
{
|
|
updateStylesList (label->getFont());
|
|
}
|
|
|
|
Label* const label;
|
|
JucerDocument& document;
|
|
|
|
class FontStyleChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
FontStyleChangeAction (Label* const comp, ComponentLayout& l, const Font& newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->getFont();
|
|
}
|
|
|
|
bool perform() override
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setFont (newState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo() override
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setFont (oldState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
Font newState { FontOptions{} }, oldState { FontOptions{} };
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontKerningProperty : public SliderPropertyComponent,
|
|
private ChangeListener
|
|
{
|
|
public:
|
|
FontKerningProperty (Label* const label_, JucerDocument& doc)
|
|
: SliderPropertyComponent ("kerning", -0.5, 0.5, 0.001),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
}
|
|
|
|
~FontKerningProperty() override
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void setValue (double newValue) override
|
|
{
|
|
document.getUndoManager().undoCurrentTransactionOnly();
|
|
|
|
document.perform (new FontKerningChangeAction (label, *document.getComponentLayout(), (float) newValue),
|
|
"Change Label font kerning");
|
|
}
|
|
|
|
double getValue() const override
|
|
{
|
|
return label->getFont().getExtraKerningFactor();
|
|
}
|
|
|
|
private:
|
|
void changeListenerCallback (ChangeBroadcaster*) override
|
|
{
|
|
refresh();
|
|
}
|
|
|
|
Label* const label;
|
|
JucerDocument& document;
|
|
|
|
class FontKerningChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
FontKerningChangeAction (Label* const comp, ComponentLayout& l, const float newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->getFont().getExtraKerningFactor();
|
|
}
|
|
|
|
bool perform() override
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setExtraKerningFactor ((float) newState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo() override
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setExtraKerningFactor ((float) oldState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
float newState, oldState;
|
|
};
|
|
};
|
|
};
|