mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-13 00:04:19 +00:00
767 lines
26 KiB
C++
767 lines
26 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE 6 technical preview.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
You may use this code under the terms of the GPL v3
|
|
(see www.gnu.org/licenses).
|
|
|
|
For this technical preview, this file is not subject to commercial licensing.
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
|
|
//==============================================================================
|
|
class LabelHandler : public ComponentTypeHandler
|
|
{
|
|
public:
|
|
LabelHandler()
|
|
: ComponentTypeHandler ("Label", "Label", typeid (Label), 150, 24)
|
|
{
|
|
registerColour (Label::backgroundColourId, "background", "bkgCol");
|
|
registerColour (Label::textColourId, "text", "textCol");
|
|
registerColour (Label::outlineColourId, "outline", "outlineCol");
|
|
registerColour (TextEditor::textColourId, "editor text", "edTextCol");
|
|
registerColour (TextEditor::backgroundColourId, "editor bkg", "edBkgCol");
|
|
registerColour (TextEditor::highlightColourId, "highlight", "hiliteCol");
|
|
}
|
|
|
|
Component* createNewComponent (JucerDocument*) override
|
|
{
|
|
return new Label ("new label", "label text");
|
|
}
|
|
|
|
XmlElement* createXmlFor (Component* comp, const ComponentLayout* layout) override
|
|
{
|
|
Label* const l = dynamic_cast<Label*> (comp);
|
|
|
|
XmlElement* e = ComponentTypeHandler::createXmlFor (comp, layout);
|
|
e->setAttribute ("labelText", l->getText());
|
|
|
|
e->setAttribute ("editableSingleClick", l->isEditableOnSingleClick());
|
|
e->setAttribute ("editableDoubleClick", l->isEditableOnDoubleClick());
|
|
e->setAttribute ("focusDiscardsChanges", l->doesLossOfFocusDiscardChanges());
|
|
|
|
e->setAttribute ("fontname", l->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()).toString());
|
|
e->setAttribute ("fontsize", roundToInt (l->getFont().getHeight() * 100.0) / 100.0);
|
|
e->setAttribute ("kerning", roundToInt (l->getFont().getExtraKerningFactor() * 1000.0) / 1000.0);
|
|
e->setAttribute ("bold", l->getFont().isBold());
|
|
e->setAttribute ("italic", l->getFont().isItalic());
|
|
e->setAttribute ("justification", l->getJustificationType().getFlags());
|
|
if (l->getFont().getTypefaceStyle() != "Regular")
|
|
{
|
|
e->setAttribute ("typefaceStyle", l->getFont().getTypefaceStyle());
|
|
}
|
|
|
|
return e;
|
|
}
|
|
|
|
bool restoreFromXml (const XmlElement& xml, Component* comp, const ComponentLayout* layout) override
|
|
{
|
|
Label* const l = dynamic_cast<Label*> (comp);
|
|
|
|
if (! ComponentTypeHandler::restoreFromXml (xml, comp, layout))
|
|
return false;
|
|
|
|
Label defaultLabel;
|
|
|
|
Font font;
|
|
font.setHeight ((float) xml.getDoubleAttribute ("fontsize", 15.0));
|
|
font.setBold (xml.getBoolAttribute ("bold", false));
|
|
font.setItalic (xml.getBoolAttribute ("italic", false));
|
|
font.setExtraKerningFactor ((float) xml.getDoubleAttribute ("kerning", 0.0));
|
|
auto fontStyle = xml.getStringAttribute ("typefaceStyle");
|
|
if (! fontStyle.isEmpty())
|
|
font.setTypefaceStyle (fontStyle);
|
|
|
|
l->setFont (font);
|
|
|
|
l->getProperties().set ("typefaceName", xml.getStringAttribute ("fontname", FontPropertyComponent::getDefaultFont()));
|
|
updateLabelFont (l);
|
|
|
|
l->setJustificationType (Justification (xml.getIntAttribute ("justification", Justification::centred)));
|
|
|
|
l->setText (xml.getStringAttribute ("labelText", "Label Text"), dontSendNotification);
|
|
|
|
l->setEditable (xml.getBoolAttribute ("editableSingleClick", defaultLabel.isEditableOnSingleClick()),
|
|
xml.getBoolAttribute ("editableDoubleClick", defaultLabel.isEditableOnDoubleClick()),
|
|
xml.getBoolAttribute ("focusDiscardsChanges", defaultLabel.doesLossOfFocusDiscardChanges()));
|
|
|
|
return true;
|
|
}
|
|
|
|
static void updateLabelFont (Label* label)
|
|
{
|
|
Font f (label->getFont());
|
|
f = FontPropertyComponent::applyNameToFont (label->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()), f);
|
|
label->setFont (f);
|
|
}
|
|
|
|
String getCreationParameters (GeneratedCode& code, Component* component) override
|
|
{
|
|
Label* const l = dynamic_cast<Label*> (component);
|
|
|
|
return quotedString (component->getName(), false)
|
|
+ ",\n"
|
|
+ quotedString (l->getText(), code.shouldUseTransMacro());
|
|
}
|
|
|
|
void fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName) override
|
|
{
|
|
ComponentTypeHandler::fillInCreationCode (code, component, memberVariableName);
|
|
|
|
Label* const l = dynamic_cast<Label*> (component);
|
|
|
|
String s;
|
|
|
|
s << memberVariableName << "->setFont ("
|
|
<< FontPropertyComponent::getCompleteFontCode (l->getFont(), l->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont()))
|
|
<< ");\n"
|
|
<< memberVariableName << "->setJustificationType ("
|
|
<< CodeHelpers::justificationToCode (l->getJustificationType())
|
|
<< ");\n"
|
|
<< memberVariableName << "->setEditable ("
|
|
<< CodeHelpers::boolLiteral (l->isEditableOnSingleClick()) << ", "
|
|
<< CodeHelpers::boolLiteral (l->isEditableOnDoubleClick()) << ", "
|
|
<< CodeHelpers::boolLiteral (l->doesLossOfFocusDiscardChanges()) << ");\n"
|
|
<< getColourIntialisationCode (component, memberVariableName);
|
|
|
|
if (needsCallback (component))
|
|
s << memberVariableName << "->addListener (this);\n";
|
|
|
|
s << '\n';
|
|
|
|
code.constructorCode += s;
|
|
}
|
|
|
|
void fillInGeneratedCode (Component* component, GeneratedCode& code) override
|
|
{
|
|
ComponentTypeHandler::fillInGeneratedCode (component, code);
|
|
|
|
if (needsCallback (component))
|
|
{
|
|
String& callback = code.getCallbackCode ("public Label::Listener",
|
|
"void",
|
|
"labelTextChanged (Label* labelThatHasChanged)",
|
|
true);
|
|
|
|
if (callback.trim().isNotEmpty())
|
|
callback << "else ";
|
|
|
|
const String memberVariableName (code.document->getComponentLayout()->getComponentMemberVariableName (component));
|
|
const String userCodeComment ("UserLabelCode_" + memberVariableName);
|
|
|
|
callback
|
|
<< "if (labelThatHasChanged == " << memberVariableName << ".get())\n"
|
|
<< "{\n //[" << userCodeComment << "] -- add your label text handling code here..\n //[/" << userCodeComment << "]\n}\n";
|
|
}
|
|
}
|
|
|
|
void getEditableProperties (Component* component, JucerDocument& document,
|
|
Array<PropertyComponent*>& props, bool multipleSelected) override
|
|
{
|
|
ComponentTypeHandler::getEditableProperties (component, document, props, multipleSelected);
|
|
|
|
if (multipleSelected)
|
|
return;
|
|
|
|
if (auto* const l = dynamic_cast<Label*> (component))
|
|
{
|
|
props.add (new LabelTextProperty (l, document));
|
|
props.add (new LabelJustificationProperty (l, document));
|
|
props.add (new FontNameProperty (l, document));
|
|
props.add (new FontStyleProperty (l, document));
|
|
props.add (new FontSizeProperty (l, document));
|
|
props.add (new FontKerningProperty (l, document));
|
|
|
|
props.add (new LabelEditableProperty (l, document));
|
|
|
|
if (l->isEditableOnDoubleClick() || l->isEditableOnSingleClick())
|
|
props.add (new LabelLossOfFocusProperty (l, document));
|
|
}
|
|
|
|
addColourProperties (component, document, props);
|
|
}
|
|
|
|
static bool needsCallback (Component* label)
|
|
{
|
|
return ((Label*) label)->isEditableOnSingleClick()
|
|
|| ((Label*) label)->isEditableOnDoubleClick(); // xxx should be configurable
|
|
}
|
|
|
|
private:
|
|
|
|
//==============================================================================
|
|
class LabelTextProperty : public ComponentTextProperty <Label>
|
|
{
|
|
public:
|
|
LabelTextProperty (Label* comp, JucerDocument& doc)
|
|
: ComponentTextProperty <Label> ("text", 10000, true, comp, doc)
|
|
{}
|
|
|
|
void setText (const String& newText) override
|
|
{
|
|
document.perform (new LabelTextChangeAction (component, *document.getComponentLayout(), newText),
|
|
"Change Label text");
|
|
}
|
|
|
|
String getText() const override
|
|
{
|
|
return component->getText();
|
|
}
|
|
|
|
private:
|
|
class LabelTextChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
LabelTextChangeAction (Label* const comp, ComponentLayout& l, const String& newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->getText();
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setText (newState, dontSendNotification);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setText (oldState, dontSendNotification);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
String newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class LabelEditableProperty : public ComponentChoiceProperty <Label>
|
|
{
|
|
public:
|
|
LabelEditableProperty (Label* comp, JucerDocument& doc)
|
|
: ComponentChoiceProperty <Label> ("editing", comp, doc)
|
|
{
|
|
choices.add ("read-only");
|
|
choices.add ("edit on single-click");
|
|
choices.add ("edit on double-click");
|
|
}
|
|
|
|
void setIndex (int newIndex)
|
|
{
|
|
document.perform (new LabelEditableChangeAction (component, *document.getComponentLayout(), newIndex),
|
|
"Change Label editability");
|
|
}
|
|
|
|
int getIndex() const
|
|
{
|
|
return component->isEditableOnSingleClick()
|
|
? 1
|
|
: (component->isEditableOnDoubleClick() ? 2 : 0);
|
|
}
|
|
|
|
private:
|
|
class LabelEditableChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
LabelEditableChangeAction (Label* const comp, ComponentLayout& l, const int newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->isEditableOnSingleClick()
|
|
? 1
|
|
: (comp->isEditableOnDoubleClick() ? 2 : 0);
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setEditable (newState == 1, newState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
|
|
changed();
|
|
layout.getSelectedSet().changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setEditable (oldState == 1, oldState >= 1, getComponent()->doesLossOfFocusDiscardChanges());
|
|
changed();
|
|
layout.getSelectedSet().changed();
|
|
return true;
|
|
}
|
|
|
|
int newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class LabelLossOfFocusProperty : public ComponentChoiceProperty <Label>
|
|
{
|
|
public:
|
|
LabelLossOfFocusProperty (Label* comp, JucerDocument& doc)
|
|
: ComponentChoiceProperty <Label> ("focus", comp, doc)
|
|
{
|
|
choices.add ("loss of focus discards changes");
|
|
choices.add ("loss of focus commits changes");
|
|
}
|
|
|
|
void setIndex (int newIndex)
|
|
{
|
|
document.perform (new LabelFocusLossChangeAction (component, *document.getComponentLayout(), newIndex == 0),
|
|
"Change Label focus behaviour");
|
|
}
|
|
|
|
int getIndex() const
|
|
{
|
|
return component->doesLossOfFocusDiscardChanges() ? 0 : 1;
|
|
}
|
|
|
|
private:
|
|
class LabelFocusLossChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
LabelFocusLossChangeAction (Label* const comp, ComponentLayout& l, const bool newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->doesLossOfFocusDiscardChanges();
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setEditable (getComponent()->isEditableOnSingleClick(),
|
|
getComponent()->isEditableOnDoubleClick(),
|
|
newState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setEditable (getComponent()->isEditableOnSingleClick(),
|
|
getComponent()->isEditableOnDoubleClick(),
|
|
oldState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class LabelJustificationProperty : public JustificationProperty,
|
|
public ChangeListener
|
|
{
|
|
public:
|
|
LabelJustificationProperty (Label* const label_, JucerDocument& doc)
|
|
: JustificationProperty ("layout", false),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
}
|
|
|
|
~LabelJustificationProperty()
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void setJustification (Justification newJustification)
|
|
{
|
|
document.perform (new LabelJustifyChangeAction (label, *document.getComponentLayout(), newJustification),
|
|
"Change Label justification");
|
|
}
|
|
|
|
Justification getJustification() const
|
|
{
|
|
return label->getJustificationType();
|
|
}
|
|
|
|
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
|
|
|
|
private:
|
|
Label* const label;
|
|
JucerDocument& document;
|
|
|
|
class LabelJustifyChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
LabelJustifyChangeAction (Label* const comp, ComponentLayout& l, Justification newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_),
|
|
oldState (comp->getJustificationType())
|
|
{
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setJustificationType (newState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setJustificationType (oldState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
Justification newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontNameProperty : public FontPropertyComponent,
|
|
public ChangeListener
|
|
{
|
|
public:
|
|
FontNameProperty (Label* const label_, JucerDocument& doc)
|
|
: FontPropertyComponent ("font"),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
}
|
|
|
|
~FontNameProperty()
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void setTypefaceName (const String& newFontName)
|
|
{
|
|
document.perform (new FontNameChangeAction (label, *document.getComponentLayout(), newFontName),
|
|
"Change Label typeface");
|
|
}
|
|
|
|
String getTypefaceName() const
|
|
{
|
|
return label->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont());
|
|
}
|
|
|
|
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
|
|
|
|
private:
|
|
Label* const label;
|
|
JucerDocument& document;
|
|
|
|
class FontNameChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
FontNameChangeAction (Label* const comp, ComponentLayout& l, const String& newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->getProperties().getWithDefault ("typefaceName", FontPropertyComponent::getDefaultFont());
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->getProperties().set ("typefaceName", newState);
|
|
LabelHandler::updateLabelFont (getComponent());
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->getProperties().set ("typefaceName", oldState);
|
|
LabelHandler::updateLabelFont (getComponent());
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
String newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontSizeProperty : public SliderPropertyComponent,
|
|
public ChangeListener
|
|
{
|
|
public:
|
|
FontSizeProperty (Label* const label_, JucerDocument& doc)
|
|
: SliderPropertyComponent ("size", 1.0, 250.0, 0.1, 0.3),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
}
|
|
|
|
~FontSizeProperty()
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void setValue (double newValue)
|
|
{
|
|
document.getUndoManager().undoCurrentTransactionOnly();
|
|
|
|
document.perform (new FontSizeChangeAction (label, *document.getComponentLayout(), (float) newValue),
|
|
"Change Label font size");
|
|
}
|
|
|
|
double getValue() const
|
|
{
|
|
return label->getFont().getHeight();
|
|
}
|
|
|
|
void changeListenerCallback (ChangeBroadcaster*) { refresh(); }
|
|
|
|
private:
|
|
Label* const label;
|
|
JucerDocument& document;
|
|
|
|
class FontSizeChangeAction : public ComponentUndoableAction <Label>
|
|
{
|
|
public:
|
|
FontSizeChangeAction (Label* const comp, ComponentLayout& l, const float newState_)
|
|
: ComponentUndoableAction <Label> (comp, l),
|
|
newState (newState_)
|
|
{
|
|
oldState = comp->getFont().getHeight();
|
|
}
|
|
|
|
bool perform()
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setHeight ((float) newState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setHeight ((float) oldState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
float newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontStyleProperty : public ChoicePropertyComponent,
|
|
public ChangeListener
|
|
{
|
|
public:
|
|
FontStyleProperty (Label* const label_, JucerDocument& doc)
|
|
: ChoicePropertyComponent ("style"),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
|
|
updateStylesList (label->getFont());
|
|
}
|
|
|
|
~FontStyleProperty()
|
|
{
|
|
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)
|
|
{
|
|
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
|
|
{
|
|
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;
|
|
}
|
|
|
|
void changeListenerCallback (ChangeBroadcaster*)
|
|
{
|
|
updateStylesList (label->getFont());
|
|
}
|
|
|
|
private:
|
|
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()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setFont (newState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
getComponent()->setFont (oldState);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
Font newState, oldState;
|
|
};
|
|
};
|
|
|
|
//==============================================================================
|
|
class FontKerningProperty : public SliderPropertyComponent,
|
|
public ChangeListener
|
|
{
|
|
public:
|
|
FontKerningProperty (Label* const label_, JucerDocument& doc)
|
|
: SliderPropertyComponent ("kerning", -0.5, 0.5, 0.001),
|
|
label (label_),
|
|
document (doc)
|
|
{
|
|
document.addChangeListener (this);
|
|
}
|
|
|
|
~FontKerningProperty()
|
|
{
|
|
document.removeChangeListener (this);
|
|
}
|
|
|
|
void setValue (double newValue)
|
|
{
|
|
document.getUndoManager().undoCurrentTransactionOnly();
|
|
|
|
document.perform (new FontKerningChangeAction (label, *document.getComponentLayout(), (float) newValue),
|
|
"Change Label font kerning");
|
|
}
|
|
|
|
double getValue() const
|
|
{
|
|
return label->getFont().getExtraKerningFactor();
|
|
}
|
|
|
|
void changeListenerCallback (ChangeBroadcaster*)
|
|
{
|
|
refresh();
|
|
}
|
|
|
|
private:
|
|
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()
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setExtraKerningFactor ((float) newState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
bool undo()
|
|
{
|
|
showCorrectTab();
|
|
Font f (getComponent()->getFont());
|
|
f.setExtraKerningFactor ((float) oldState);
|
|
getComponent()->setFont (f);
|
|
changed();
|
|
return true;
|
|
}
|
|
|
|
float newState, oldState;
|
|
};
|
|
};
|
|
};
|