mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
473 lines
13 KiB
473 lines
13 KiB
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2015 - ROLI Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
Label::Label (const String& name, const String& labelText)
|
|
: Component (name),
|
|
textValue (labelText),
|
|
lastTextValue (labelText),
|
|
font (15.0f),
|
|
justification (Justification::centredLeft),
|
|
border (1, 5, 1, 5),
|
|
minimumHorizontalScale (0.0f),
|
|
keyboardType (TextEditor::textKeyboard),
|
|
editSingleClick (false),
|
|
editDoubleClick (false),
|
|
lossOfFocusDiscardsChanges (false)
|
|
{
|
|
setColour (TextEditor::textColourId, Colours::black);
|
|
setColour (TextEditor::backgroundColourId, Colours::transparentBlack);
|
|
setColour (TextEditor::outlineColourId, Colours::transparentBlack);
|
|
|
|
textValue.addListener (this);
|
|
}
|
|
|
|
Label::~Label()
|
|
{
|
|
textValue.removeListener (this);
|
|
|
|
if (ownerComponent != nullptr)
|
|
ownerComponent->removeComponentListener (this);
|
|
|
|
editor = nullptr;
|
|
}
|
|
|
|
//==============================================================================
|
|
void Label::setText (const String& newText,
|
|
const 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 (const 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)
|
|
{
|
|
if (font != newFont)
|
|
{
|
|
font = newFont;
|
|
repaint();
|
|
}
|
|
}
|
|
|
|
Font Label::getFont() const noexcept
|
|
{
|
|
return font;
|
|
}
|
|
|
|
void Label::setEditable (const bool editOnSingleClick,
|
|
const bool editOnDoubleClick,
|
|
const bool lossOfFocusDiscardsChanges_)
|
|
{
|
|
editSingleClick = editOnSingleClick;
|
|
editDoubleClick = editOnDoubleClick;
|
|
lossOfFocusDiscardsChanges = lossOfFocusDiscardsChanges_;
|
|
|
|
setWantsKeyboardFocus (editOnSingleClick || editOnDoubleClick);
|
|
setFocusContainer (editOnSingleClick || editOnDoubleClick);
|
|
}
|
|
|
|
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 static_cast<Component*> (ownerComponent);
|
|
}
|
|
|
|
void Label::attachToComponent (Component* owner, const bool onLeft)
|
|
{
|
|
if (ownerComponent != nullptr)
|
|
ownerComponent->removeComponentListener (this);
|
|
|
|
ownerComponent = owner;
|
|
|
|
leftOfOwnerComp = onLeft;
|
|
|
|
if (ownerComponent != nullptr)
|
|
{
|
|
setVisible (owner->isVisible());
|
|
ownerComponent->addComponentListener (this);
|
|
componentParentHierarchyChanged (*ownerComponent);
|
|
componentMovedOrResized (*ownerComponent, true, true);
|
|
}
|
|
}
|
|
|
|
void Label::componentMovedOrResized (Component& component, bool /*wasMoved*/, bool /*wasResized*/)
|
|
{
|
|
const Font f (getLookAndFeel().getLabelFont (*this));
|
|
|
|
if (leftOfOwnerComp)
|
|
{
|
|
setSize (jmin (roundToInt (f.getStringWidthFloat (textValue.toString()) + 0.5f) + getBorderSize().getLeftAndRight(),
|
|
component.getX()),
|
|
component.getHeight());
|
|
|
|
setTopRightPosition (component.getX(), component.getY());
|
|
}
|
|
else
|
|
{
|
|
setSize (component.getWidth(),
|
|
getBorderSize().getTopAndBottom() + 6 + roundToInt (f.getHeight() + 0.5f));
|
|
|
|
setTopLeftPosition (component.getX(), component.getY() - getHeight());
|
|
}
|
|
}
|
|
|
|
void Label::componentParentHierarchyChanged (Component& component)
|
|
{
|
|
if (Component* 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, &LabelListener::editorShown, this, *textEditor);
|
|
}
|
|
|
|
void Label::editorAboutToBeHidden (TextEditor* textEditor)
|
|
{
|
|
if (ComponentPeer* const peer = getPeer())
|
|
peer->dismissPendingTextInput();
|
|
|
|
Component::BailOutChecker checker (this);
|
|
listeners.callChecked (checker, &LabelListener::editorHidden, this, *textEditor);
|
|
}
|
|
|
|
void Label::showEditor()
|
|
{
|
|
if (editor == nullptr)
|
|
{
|
|
addAndMakeVisible (editor = createEditorComponent());
|
|
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);
|
|
|
|
enterModalState (false);
|
|
editor->grabKeyboardFocus();
|
|
}
|
|
}
|
|
|
|
bool Label::updateFromTextEditorContents (TextEditor& ed)
|
|
{
|
|
const String 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 (const bool discardCurrentEditorContents)
|
|
{
|
|
if (editor != nullptr)
|
|
{
|
|
WeakReference<Component> deletionChecker (this);
|
|
|
|
ScopedPointer<TextEditor> outgoingEditor (editor);
|
|
|
|
editorAboutToBeHidden (outgoingEditor);
|
|
|
|
const bool changed = (! discardCurrentEditorContents)
|
|
&& updateFromTextEditorContents (*outgoingEditor);
|
|
outgoingEditor = 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()
|
|
{
|
|
TextEditor* const 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::outlineColourId);
|
|
|
|
return ed;
|
|
}
|
|
|
|
TextEditor* Label::getCurrentTextEditor() const noexcept
|
|
{
|
|
return editor;
|
|
}
|
|
|
|
//==============================================================================
|
|
void Label::paint (Graphics& g)
|
|
{
|
|
getLookAndFeel().drawLabel (g, *this);
|
|
}
|
|
|
|
void Label::mouseUp (const MouseEvent& e)
|
|
{
|
|
if (editSingleClick
|
|
&& isEnabled()
|
|
&& e.mouseWasClicked()
|
|
&& contains (e.getPosition())
|
|
&& ! 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:
|
|
LabelKeyboardFocusTraverser() {}
|
|
|
|
Component* getNextComponent (Component* c) { return KeyboardFocusTraverser::getNextComponent (getComp (c)); }
|
|
Component* getPreviousComponent (Component* c) { return KeyboardFocusTraverser::getPreviousComponent (getComp (c)); }
|
|
|
|
static Component* getComp (Component* current)
|
|
{
|
|
return dynamic_cast <TextEditor*> (current) != nullptr
|
|
? current->getParentComponent() : current;
|
|
}
|
|
};
|
|
|
|
KeyboardFocusTraverser* Label::createFocusTraverser()
|
|
{
|
|
return new LabelKeyboardFocusTraverser();
|
|
}
|
|
|
|
//==============================================================================
|
|
void Label::addListener (LabelListener* const listener)
|
|
{
|
|
listeners.add (listener);
|
|
}
|
|
|
|
void Label::removeListener (LabelListener* const listener)
|
|
{
|
|
listeners.remove (listener);
|
|
}
|
|
|
|
void Label::callChangeListeners()
|
|
{
|
|
Component::BailOutChecker checker (this);
|
|
listeners.callChecked (checker, &LabelListener::labelTextChanged, this); // (can't use Label::Listener due to idiotic VC2005 bug)
|
|
}
|
|
|
|
//==============================================================================
|
|
void Label::textEditorTextChanged (TextEditor& ed)
|
|
{
|
|
if (editor != nullptr)
|
|
{
|
|
jassert (&ed == editor);
|
|
|
|
if (! (hasKeyboardFocus (true) || isCurrentlyBlockedByAnotherModalComponent()))
|
|
{
|
|
if (lossOfFocusDiscardsChanges)
|
|
textEditorEscapeKeyPressed (ed);
|
|
else
|
|
textEditorReturnKeyPressed (ed);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Label::textEditorReturnKeyPressed (TextEditor& ed)
|
|
{
|
|
if (editor != nullptr)
|
|
{
|
|
jassert (&ed == editor);
|
|
|
|
const bool changed = updateFromTextEditorContents (ed);
|
|
hideEditor (true);
|
|
|
|
if (changed)
|
|
{
|
|
WeakReference<Component> deletionChecker (this);
|
|
textWasEdited();
|
|
|
|
if (deletionChecker != nullptr)
|
|
callChangeListeners();
|
|
}
|
|
}
|
|
}
|
|
|
|
void Label::textEditorEscapeKeyPressed (TextEditor& ed)
|
|
{
|
|
if (editor != nullptr)
|
|
{
|
|
jassert (&ed == editor);
|
|
(void) ed;
|
|
|
|
editor->setText (textValue.toString(), false);
|
|
hideEditor (true);
|
|
}
|
|
}
|
|
|
|
void Label::textEditorFocusLost (TextEditor& ed)
|
|
{
|
|
textEditorTextChanged (ed);
|
|
}
|
|
|