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JUCE/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PointComponent.h
2022-05-16 17:55:48 +01:00

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - 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 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-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.
==============================================================================
*/
#pragma once
#include "jucer_ElementSiblingComponent.h"
#include "../UI/jucer_PaintRoutineEditor.h"
//==============================================================================
class PointComponent : public ElementSiblingComponent
{
public:
PointComponent (PaintElement* const e)
: ElementSiblingComponent (e)
{
setSize (11, 11);
setMouseCursor (MouseCursor::UpDownLeftRightResizeCursor);
}
virtual RelativePositionedRectangle getPosition() = 0;
virtual void setPosition (const RelativePositionedRectangle& newPos) = 0;
void updatePosition() override
{
if (dynamic_cast<PaintRoutineEditor*> (getParentComponent()) != nullptr)
{
const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
const Rectangle<int> r (getPosition().getRectangle (area, owner->getDocument()->getComponentLayout()));
setCentrePosition (r.getX(), r.getY());
}
}
//==============================================================================
void paint (Graphics& g) override
{
g.setColour (Colours::white);
g.drawEllipse (2.0f, 2.0f, (float) getWidth() - 4.0f, (float) getHeight() - 4.0f, 2.0f);
g.setColour (Colours::black);
g.drawEllipse (1.0f, 1.0f, (float) getWidth() - 2.0f, (float) getHeight() - 2.0f, 2.0f);
}
//==============================================================================
void mouseDown (const MouseEvent&) override
{
const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
dragX = getX() + getWidth() / 2 - area.getX();
dragY = getY() + getHeight() / 2 - area.getY();
}
void mouseDrag (const MouseEvent& e) override
{
const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
int x = dragX + e.getDistanceFromDragStartX();
int y = dragY + e.getDistanceFromDragStartY();
if (JucerDocument* const document = owner->getDocument())
{
x = document->snapPosition (x);
y = document->snapPosition (y);
const RelativePositionedRectangle original (getPosition());
RelativePositionedRectangle pr (original);
Rectangle<int> r (pr.getRectangle (Rectangle<int> (0, 0, area.getWidth(), area.getHeight()),
document->getComponentLayout()));
r.setPosition (x, y);
pr.updateFrom (r.getX(), r.getY(), r.getWidth(), r.getHeight(),
Rectangle<int> (0, 0, area.getWidth(), area.getHeight()),
document->getComponentLayout());
if (pr != original)
setPosition (pr);
}
}
void mouseUp (const MouseEvent&) override
{
}
private:
int dragX, dragY;
};