git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
This commit is contained in:
essej
583
deps/juce/modules/juce_gui_basics/widgets/juce_Label.cpp
vendored
Normal file
583
deps/juce/modules/juce_gui_basics/widgets/juce_Label.cpp
vendored
Normal file
@ -0,0 +1,583 @@
|
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/*
|
||||
==============================================================================
|
||||
|
||||
This file is part of the JUCE library.
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||||
Copyright (c) 2020 - Raw Material Software Limited
|
||||
|
||||
JUCE is an open source library subject to commercial or open-source
|
||||
licensing.
|
||||
|
||||
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
|
||||
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
|
||||
|
||||
End User License Agreement: www.juce.com/juce-6-licence
|
||||
Privacy Policy: www.juce.com/juce-privacy-policy
|
||||
|
||||
Or: You may also use this code under the terms of the GPL v3 (see
|
||||
www.gnu.org/licenses).
|
||||
|
||||
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
||||
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
||||
DISCLAIMED.
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||||
|
||||
==============================================================================
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||||
*/
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||||
|
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namespace juce
|
||||
{
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||||
|
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Label::Label (const String& name, const String& labelText)
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||||
: Component (name),
|
||||
textValue (labelText),
|
||||
lastTextValue (labelText)
|
||||
{
|
||||
setColour (TextEditor::textColourId, Colours::black);
|
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setColour (TextEditor::backgroundColourId, Colours::transparentBlack);
|
||||
setColour (TextEditor::outlineColourId, Colours::transparentBlack);
|
||||
|
||||
setInterceptsMouseClicks(editSingleClick || editDoubleClick, editSingleClick || editDoubleClick);
|
||||
|
||||
textValue.addListener (this);
|
||||
}
|
||||
|
||||
Label::~Label()
|
||||
{
|
||||
textValue.removeListener (this);
|
||||
|
||||
if (ownerComponent != nullptr)
|
||||
ownerComponent->removeComponentListener (this);
|
||||
|
||||
editor.reset();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::setText (const String& newText, NotificationType notification)
|
||||
{
|
||||
hideEditor (true);
|
||||
|
||||
if (lastTextValue != newText)
|
||||
{
|
||||
lastTextValue = newText;
|
||||
textValue = newText;
|
||||
repaint();
|
||||
|
||||
textWasChanged();
|
||||
|
||||
if (ownerComponent != nullptr)
|
||||
componentMovedOrResized (*ownerComponent, true, true);
|
||||
|
||||
if (notification != dontSendNotification)
|
||||
callChangeListeners();
|
||||
}
|
||||
}
|
||||
|
||||
String Label::getText (bool returnActiveEditorContents) const
|
||||
{
|
||||
return (returnActiveEditorContents && isBeingEdited())
|
||||
? editor->getText()
|
||||
: textValue.toString();
|
||||
}
|
||||
|
||||
void Label::valueChanged (Value&)
|
||||
{
|
||||
if (lastTextValue != textValue.toString())
|
||||
setText (textValue.toString(), sendNotification);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::setFont (const Font& newFont)
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||||
{
|
||||
if (font != newFont)
|
||||
{
|
||||
font = newFont;
|
||||
repaint();
|
||||
}
|
||||
}
|
||||
|
||||
Font Label::getFont() const noexcept
|
||||
{
|
||||
return font;
|
||||
}
|
||||
|
||||
void Label::setEditable (bool editOnSingleClick,
|
||||
bool editOnDoubleClick,
|
||||
bool lossOfFocusDiscards)
|
||||
{
|
||||
editSingleClick = editOnSingleClick;
|
||||
editDoubleClick = editOnDoubleClick;
|
||||
lossOfFocusDiscardsChanges = lossOfFocusDiscards;
|
||||
|
||||
const auto isKeybordFocusable = (editOnSingleClick || editOnDoubleClick);
|
||||
|
||||
setWantsKeyboardFocus (isKeybordFocusable);
|
||||
setFocusContainerType (isKeybordFocusable ? FocusContainerType::keyboardFocusContainer
|
||||
: FocusContainerType::none);
|
||||
setInterceptsMouseClicks(isKeybordFocusable, isKeybordFocusable);
|
||||
invalidateAccessibilityHandler();
|
||||
}
|
||||
|
||||
void Label::setJustificationType (Justification newJustification)
|
||||
{
|
||||
if (justification != newJustification)
|
||||
{
|
||||
justification = newJustification;
|
||||
repaint();
|
||||
}
|
||||
}
|
||||
|
||||
void Label::setBorderSize (BorderSize<int> newBorder)
|
||||
{
|
||||
if (border != newBorder)
|
||||
{
|
||||
border = newBorder;
|
||||
repaint();
|
||||
}
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
Component* Label::getAttachedComponent() const
|
||||
{
|
||||
return ownerComponent.get();
|
||||
}
|
||||
|
||||
void Label::attachToComponent (Component* owner, bool onLeft)
|
||||
{
|
||||
jassert (owner != this); // Not a great idea to try to attach it to itself!
|
||||
|
||||
if (ownerComponent != nullptr)
|
||||
ownerComponent->removeComponentListener (this);
|
||||
|
||||
ownerComponent = owner;
|
||||
leftOfOwnerComp = onLeft;
|
||||
|
||||
if (ownerComponent != nullptr)
|
||||
{
|
||||
setVisible (ownerComponent->isVisible());
|
||||
ownerComponent->addComponentListener (this);
|
||||
componentParentHierarchyChanged (*ownerComponent);
|
||||
componentMovedOrResized (*ownerComponent, true, true);
|
||||
}
|
||||
}
|
||||
|
||||
void Label::componentMovedOrResized (Component& component, bool /*wasMoved*/, bool /*wasResized*/)
|
||||
{
|
||||
auto& lf = getLookAndFeel();
|
||||
auto f = lf.getLabelFont (*this);
|
||||
auto borderSize = lf.getLabelBorderSize (*this);
|
||||
|
||||
if (leftOfOwnerComp)
|
||||
{
|
||||
auto width = jmin (roundToInt (f.getStringWidthFloat (textValue.toString()) + 0.5f)
|
||||
+ borderSize.getLeftAndRight(),
|
||||
component.getX());
|
||||
|
||||
setBounds (component.getX() - width, component.getY(), width, component.getHeight());
|
||||
}
|
||||
else
|
||||
{
|
||||
auto height = borderSize.getTopAndBottom() + 6 + roundToInt (f.getHeight() + 0.5f);
|
||||
|
||||
setBounds (component.getX(), component.getY() - height, component.getWidth(), height);
|
||||
}
|
||||
}
|
||||
|
||||
void Label::componentParentHierarchyChanged (Component& component)
|
||||
{
|
||||
if (auto* parent = component.getParentComponent())
|
||||
parent->addChildComponent (this);
|
||||
}
|
||||
|
||||
void Label::componentVisibilityChanged (Component& component)
|
||||
{
|
||||
setVisible (component.isVisible());
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::textWasEdited() {}
|
||||
void Label::textWasChanged() {}
|
||||
|
||||
void Label::editorShown (TextEditor* textEditor)
|
||||
{
|
||||
Component::BailOutChecker checker (this);
|
||||
listeners.callChecked (checker, [this, textEditor] (Label::Listener& l) { l.editorShown (this, *textEditor); });
|
||||
|
||||
if (checker.shouldBailOut())
|
||||
return;
|
||||
|
||||
if (onEditorShow != nullptr)
|
||||
onEditorShow();
|
||||
}
|
||||
|
||||
void Label::editorAboutToBeHidden (TextEditor* textEditor)
|
||||
{
|
||||
if (auto* peer = getPeer())
|
||||
peer->dismissPendingTextInput();
|
||||
|
||||
Component::BailOutChecker checker (this);
|
||||
listeners.callChecked (checker, [this, textEditor] (Label::Listener& l) { l.editorHidden (this, *textEditor); });
|
||||
|
||||
if (checker.shouldBailOut())
|
||||
return;
|
||||
|
||||
if (onEditorHide != nullptr)
|
||||
onEditorHide();
|
||||
}
|
||||
|
||||
void Label::showEditor()
|
||||
{
|
||||
if (editor == nullptr)
|
||||
{
|
||||
editor.reset (createEditorComponent());
|
||||
editor->setSize (10, 10);
|
||||
addAndMakeVisible (editor.get());
|
||||
editor->setText (getText(), false);
|
||||
editor->setKeyboardType (keyboardType);
|
||||
editor->addListener (this);
|
||||
editor->grabKeyboardFocus();
|
||||
|
||||
if (editor == nullptr) // may be deleted by a callback
|
||||
return;
|
||||
|
||||
editor->setHighlightedRegion (Range<int> (0, textValue.toString().length()));
|
||||
|
||||
resized();
|
||||
repaint();
|
||||
|
||||
editorShown (editor.get());
|
||||
|
||||
enterModalState (false);
|
||||
editor->grabKeyboardFocus();
|
||||
}
|
||||
}
|
||||
|
||||
bool Label::updateFromTextEditorContents (TextEditor& ed)
|
||||
{
|
||||
auto newText = ed.getText();
|
||||
|
||||
if (textValue.toString() != newText)
|
||||
{
|
||||
lastTextValue = newText;
|
||||
textValue = newText;
|
||||
repaint();
|
||||
|
||||
textWasChanged();
|
||||
|
||||
if (ownerComponent != nullptr)
|
||||
componentMovedOrResized (*ownerComponent, true, true);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void Label::hideEditor (bool discardCurrentEditorContents)
|
||||
{
|
||||
if (editor != nullptr)
|
||||
{
|
||||
WeakReference<Component> deletionChecker (this);
|
||||
std::unique_ptr<TextEditor> outgoingEditor;
|
||||
std::swap (outgoingEditor, editor);
|
||||
|
||||
editorAboutToBeHidden (outgoingEditor.get());
|
||||
|
||||
const bool changed = (! discardCurrentEditorContents)
|
||||
&& updateFromTextEditorContents (*outgoingEditor);
|
||||
outgoingEditor.reset();
|
||||
|
||||
if (deletionChecker != nullptr)
|
||||
repaint();
|
||||
|
||||
if (changed)
|
||||
textWasEdited();
|
||||
|
||||
if (deletionChecker != nullptr)
|
||||
exitModalState (0);
|
||||
|
||||
if (changed && deletionChecker != nullptr)
|
||||
callChangeListeners();
|
||||
}
|
||||
}
|
||||
|
||||
void Label::inputAttemptWhenModal()
|
||||
{
|
||||
if (editor != nullptr)
|
||||
{
|
||||
if (lossOfFocusDiscardsChanges)
|
||||
textEditorEscapeKeyPressed (*editor);
|
||||
else
|
||||
textEditorReturnKeyPressed (*editor);
|
||||
}
|
||||
}
|
||||
|
||||
bool Label::isBeingEdited() const noexcept
|
||||
{
|
||||
return editor != nullptr;
|
||||
}
|
||||
|
||||
static void copyColourIfSpecified (Label& l, TextEditor& ed, int colourID, int targetColourID)
|
||||
{
|
||||
if (l.isColourSpecified (colourID) || l.getLookAndFeel().isColourSpecified (colourID))
|
||||
ed.setColour (targetColourID, l.findColour (colourID));
|
||||
}
|
||||
|
||||
TextEditor* Label::createEditorComponent()
|
||||
{
|
||||
auto* ed = new TextEditor (getName());
|
||||
ed->applyFontToAllText (getLookAndFeel().getLabelFont (*this));
|
||||
copyAllExplicitColoursTo (*ed);
|
||||
|
||||
copyColourIfSpecified (*this, *ed, textWhenEditingColourId, TextEditor::textColourId);
|
||||
copyColourIfSpecified (*this, *ed, backgroundWhenEditingColourId, TextEditor::backgroundColourId);
|
||||
copyColourIfSpecified (*this, *ed, outlineWhenEditingColourId, TextEditor::focusedOutlineColourId);
|
||||
|
||||
return ed;
|
||||
}
|
||||
|
||||
TextEditor* Label::getCurrentTextEditor() const noexcept
|
||||
{
|
||||
return editor.get();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::paint (Graphics& g)
|
||||
{
|
||||
getLookAndFeel().drawLabel (g, *this);
|
||||
}
|
||||
|
||||
void Label::mouseUp (const MouseEvent& e)
|
||||
{
|
||||
if (editSingleClick
|
||||
&& isEnabled()
|
||||
&& contains (e.getPosition())
|
||||
&& ! (e.mouseWasDraggedSinceMouseDown() || e.mods.isPopupMenu()))
|
||||
{
|
||||
showEditor();
|
||||
}
|
||||
}
|
||||
|
||||
void Label::mouseDoubleClick (const MouseEvent& e)
|
||||
{
|
||||
if (editDoubleClick
|
||||
&& isEnabled()
|
||||
&& ! e.mods.isPopupMenu())
|
||||
{
|
||||
showEditor();
|
||||
}
|
||||
}
|
||||
|
||||
void Label::resized()
|
||||
{
|
||||
if (editor != nullptr)
|
||||
editor->setBounds (getLocalBounds());
|
||||
}
|
||||
|
||||
void Label::focusGained (FocusChangeType cause)
|
||||
{
|
||||
if (editSingleClick
|
||||
&& isEnabled()
|
||||
&& cause == focusChangedByTabKey)
|
||||
{
|
||||
showEditor();
|
||||
}
|
||||
}
|
||||
|
||||
void Label::enablementChanged()
|
||||
{
|
||||
repaint();
|
||||
}
|
||||
|
||||
void Label::colourChanged()
|
||||
{
|
||||
repaint();
|
||||
}
|
||||
|
||||
void Label::setMinimumHorizontalScale (const float newScale)
|
||||
{
|
||||
if (minimumHorizontalScale != newScale)
|
||||
{
|
||||
minimumHorizontalScale = newScale;
|
||||
repaint();
|
||||
}
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
// We'll use a custom focus traverser here to make sure focus goes from the
|
||||
// text editor to another component rather than back to the label itself.
|
||||
class LabelKeyboardFocusTraverser : public KeyboardFocusTraverser
|
||||
{
|
||||
public:
|
||||
explicit LabelKeyboardFocusTraverser (Label& l) : owner (l) {}
|
||||
|
||||
Component* getDefaultComponent (Component* parent) override
|
||||
{
|
||||
auto getContainer = [&]
|
||||
{
|
||||
if (owner.getCurrentTextEditor() != nullptr && parent == &owner)
|
||||
return owner.findKeyboardFocusContainer();
|
||||
|
||||
return parent;
|
||||
};
|
||||
|
||||
if (auto* container = getContainer())
|
||||
return KeyboardFocusTraverser::getDefaultComponent (container);
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
Component* getNextComponent (Component* c) override { return KeyboardFocusTraverser::getNextComponent (getComp (c)); }
|
||||
Component* getPreviousComponent (Component* c) override { return KeyboardFocusTraverser::getPreviousComponent (getComp (c)); }
|
||||
|
||||
private:
|
||||
Component* getComp (Component* current) const
|
||||
{
|
||||
if (auto* ed = owner.getCurrentTextEditor())
|
||||
if (current == ed)
|
||||
return current->getParentComponent();
|
||||
|
||||
return current;
|
||||
}
|
||||
|
||||
Label& owner;
|
||||
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LabelKeyboardFocusTraverser)
|
||||
};
|
||||
|
||||
std::unique_ptr<ComponentTraverser> Label::createKeyboardFocusTraverser()
|
||||
{
|
||||
return std::make_unique<LabelKeyboardFocusTraverser> (*this);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::addListener (Label::Listener* l) { listeners.add (l); }
|
||||
void Label::removeListener (Label::Listener* l) { listeners.remove (l); }
|
||||
|
||||
void Label::callChangeListeners()
|
||||
{
|
||||
Component::BailOutChecker checker (this);
|
||||
listeners.callChecked (checker, [this] (Listener& l) { l.labelTextChanged (this); });
|
||||
|
||||
if (checker.shouldBailOut())
|
||||
return;
|
||||
|
||||
if (onTextChange != nullptr)
|
||||
onTextChange();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Label::textEditorTextChanged (TextEditor& ed)
|
||||
{
|
||||
if (editor != nullptr)
|
||||
{
|
||||
jassert (&ed == editor.get());
|
||||
|
||||
if (! (hasKeyboardFocus (true) || isCurrentlyBlockedByAnotherModalComponent()))
|
||||
{
|
||||
if (lossOfFocusDiscardsChanges)
|
||||
textEditorEscapeKeyPressed (ed);
|
||||
else
|
||||
textEditorReturnKeyPressed (ed);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void Label::textEditorReturnKeyPressed (TextEditor& ed)
|
||||
{
|
||||
if (editor != nullptr)
|
||||
{
|
||||
jassert (&ed == editor.get());
|
||||
|
||||
WeakReference<Component> deletionChecker (this);
|
||||
bool changed = updateFromTextEditorContents (ed);
|
||||
hideEditor (true);
|
||||
|
||||
if (changed && deletionChecker != nullptr)
|
||||
{
|
||||
textWasEdited();
|
||||
|
||||
if (deletionChecker != nullptr)
|
||||
callChangeListeners();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void Label::textEditorEscapeKeyPressed (TextEditor& ed)
|
||||
{
|
||||
if (editor != nullptr)
|
||||
{
|
||||
jassertquiet (&ed == editor.get());
|
||||
|
||||
editor->setText (textValue.toString(), false);
|
||||
hideEditor (true);
|
||||
}
|
||||
}
|
||||
|
||||
void Label::textEditorFocusLost (TextEditor& ed)
|
||||
{
|
||||
textEditorTextChanged (ed);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
class LabelAccessibilityHandler : public AccessibilityHandler
|
||||
{
|
||||
public:
|
||||
explicit LabelAccessibilityHandler (Label& labelToWrap)
|
||||
: AccessibilityHandler (labelToWrap,
|
||||
labelToWrap.isEditable() ? AccessibilityRole::editableText : AccessibilityRole::label,
|
||||
getAccessibilityActions (labelToWrap),
|
||||
{ std::make_unique<LabelValueInterface> (labelToWrap) }),
|
||||
label (labelToWrap)
|
||||
{
|
||||
}
|
||||
|
||||
String getTitle() const override { return label.getText(); }
|
||||
String getHelp() const override { return label.getTooltip(); }
|
||||
|
||||
AccessibleState getCurrentState() const override
|
||||
{
|
||||
if (label.isBeingEdited())
|
||||
return {}; // allow focus to pass through to the TextEditor
|
||||
|
||||
return AccessibilityHandler::getCurrentState();
|
||||
}
|
||||
|
||||
private:
|
||||
class LabelValueInterface : public AccessibilityTextValueInterface
|
||||
{
|
||||
public:
|
||||
explicit LabelValueInterface (Label& labelToWrap)
|
||||
: label (labelToWrap)
|
||||
{
|
||||
}
|
||||
|
||||
bool isReadOnly() const override { return true; }
|
||||
String getCurrentValueAsString() const override { return label.getText(); }
|
||||
void setValueAsString (const String&) override {}
|
||||
|
||||
private:
|
||||
Label& label;
|
||||
|
||||
//==============================================================================
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LabelValueInterface)
|
||||
};
|
||||
|
||||
static AccessibilityActions getAccessibilityActions (Label& label)
|
||||
{
|
||||
if (label.isEditable())
|
||||
return AccessibilityActions().addAction (AccessibilityActionType::press, [&label] { label.showEditor(); });
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
Label& label;
|
||||
|
||||
//==============================================================================
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LabelAccessibilityHandler)
|
||||
};
|
||||
|
||||
std::unique_ptr<AccessibilityHandler> Label::createAccessibilityHandler()
|
||||
{
|
||||
return std::make_unique<LabelAccessibilityHandler> (*this);
|
||||
}
|
||||
|
||||
} // namespace juce
|
||||
Reference in New Issue
Block a user