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/*
==============================================================================
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.
==============================================================================
*/
#ifndef JUCER_COLOURPROPERTYCOMPONENT_H_INCLUDED
#define JUCER_COLOURPROPERTYCOMPONENT_H_INCLUDED
struct ColourPropertyComponent : public PropertyComponent
{
ColourPropertyComponent (UndoManager* undoManager, const String& name, const Value& colour,
Colour defaultColour, bool canResetToDefault)
: PropertyComponent (name),
colourEditor (undoManager, colour, defaultColour, canResetToDefault)
{
addAndMakeVisible (colourEditor);
}
void resized() override
{
colourEditor.setBounds (getLookAndFeel().getPropertyComponentContentPosition (*this));
}
void refresh() override {}
private:
/**
A component that shows a colour swatch with hex ARGB value, and which pops up
a colour selector when you click it.
*/
struct ColourEditorComponent : public Component,
public Value::Listener
{
ColourEditorComponent (UndoManager* um, const Value& colour,
Colour defaultCol, const bool canReset)
: undoManager (um), colourValue (colour), defaultColour (defaultCol),
canResetToDefault (canReset)
{
colourValue.addListener (this);
}
void paint (Graphics& g) override
{
const Colour colour (getColour());
g.fillAll (Colours::grey);
g.fillCheckerBoard (getLocalBounds().reduced (2),
10, 10,
Colour (0xffdddddd).overlaidWith (colour),
Colour (0xffffffff).overlaidWith (colour));
g.setColour (Colours::white.overlaidWith (colour).contrasting());
g.setFont (Font (getHeight() * 0.6f, Font::bold));
g.drawFittedText (colour.toDisplayString (true), getLocalBounds().reduced (2, 1),
Justification::centred, 1);
}
Colour getColour() const
{
if (colourValue.toString().isEmpty())
return defaultColour;
return Colour::fromString (colourValue.toString());
}
void setColour (Colour newColour)
{
if (getColour() != newColour)
{
if (newColour == defaultColour && canResetToDefault)
colourValue = var();
else
colourValue = newColour.toDisplayString (true);
}
}
void resetToDefault()
{
setColour (defaultColour);
}
void refresh()
{
const Colour col (getColour());
if (col != lastColour)
{
lastColour = col;
repaint();
}
}
void mouseDown (const MouseEvent&) override
{
if (undoManager != nullptr)
undoManager->beginNewTransaction();
CallOutBox::launchAsynchronously (new PopupColourSelector (colourValue,
defaultColour,
canResetToDefault),
getScreenBounds(), nullptr);
}
void valueChanged (Value&) override
{
refresh();
}
UndoManager* undoManager;
Value colourValue;
Colour lastColour;
const Colour defaultColour;
const bool canResetToDefault;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ColourEditorComponent)
};
//==============================================================================
struct PopupColourSelector : public Component,
public ChangeListener,
public Value::Listener,
public ButtonListener
{
PopupColourSelector (const Value& colour,
Colour defaultCol,
const bool canResetToDefault)
: defaultButton ("Reset to Default"),
colourValue (colour),
defaultColour (defaultCol)
{
addAndMakeVisible (selector);
selector.setName ("Colour");
selector.setCurrentColour (getColour());
selector.addChangeListener (this);
if (canResetToDefault)
{
addAndMakeVisible (defaultButton);
defaultButton.addListener (this);
}
colourValue.addListener (this);
setSize (300, 400);
}
void resized() override
{
if (defaultButton.isVisible())
{
selector.setBounds (0, 0, getWidth(), getHeight() - 30);
defaultButton.changeWidthToFitText (22);
defaultButton.setTopLeftPosition (10, getHeight() - 26);
}
else
{
selector.setBounds (getLocalBounds());
}
}
Colour getColour() const
{
if (colourValue.toString().isEmpty())
return defaultColour;
return Colour::fromString (colourValue.toString());
}
void setColour (Colour newColour)
{
if (getColour() != newColour)
{
if (newColour == defaultColour && defaultButton.isVisible())
colourValue = var();
else
colourValue = newColour.toDisplayString (true);
}
}
void buttonClicked (Button*) override
{
setColour (defaultColour);
selector.setCurrentColour (defaultColour);
}
void changeListenerCallback (ChangeBroadcaster*) override
{
if (selector.getCurrentColour() != getColour())
setColour (selector.getCurrentColour());
}
void valueChanged (Value&) override
{
selector.setCurrentColour (getColour());
}
private:
StoredSettings::ColourSelectorWithSwatches selector;
TextButton defaultButton;
Value colourValue;
Colour defaultColour;
};
ColourEditorComponent colourEditor;
};
#endif // JUCER_COLOURPROPERTYCOMPONENT_H_INCLUDED
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