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/*
==============================================================================
This file is part of the IEM plug-in suite.
Author: Daniel Rudrich
Copyright (c) 2017 - Institute of Electronic Music and Acoustics (IEM)
https://iem.at
The IEM plug-in suite is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The IEM plug-in suite 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.
You should have received a copy of the GNU General Public License
along with this software. If not, see <https://www.gnu.org/licenses/>.
==============================================================================
*/
#pragma once
#include "../../resources/customComponents/ReverseSlider.h"
#include "../JuceLibraryCode/JuceHeader.h"
//==============================================================================
/**
This is a simple wrapper for a juce::Slider that controls other components,
e.g. other juce::Sliders, by forwarding mouse events. It's intended to hold
pointers to the sliders it is controlling.
*/
class MasterControl : public juce::Component
{
public:
MasterControl() {}
~MasterControl() {}
void mouseEnter (const juce::MouseEvent& e) override { repaint(); }
void mouseExit (const juce::MouseEvent& e) override { repaint(); }
void mouseMove (const juce::MouseEvent& e) override
{
if (triangleUp.contains (e.position))
isOverTriangle = 1;
else if (triangleDown.contains (e.position))
isOverTriangle = -1;
else
isOverTriangle = 0;
}
void mouseDrag (const juce::MouseEvent& e) override
{
isDragging = true;
auto drag = e.getOffsetFromDragStart();
DBG (drag.getX() << " - " << drag.getY());
auto dist = drag.getX() - drag.getY();
if (dist > 0)
dragDirection = 1;
else if (dist < 0)
dragDirection = -1;
else
dragDirection = 0;
repaint();
for (int i = 0; i < elements.size(); ++i)
{
if (elements[i] != nullptr)
elements[i]->mouseDrag (e);
}
}
void mouseWheelMove (const juce::MouseEvent& e, const juce::MouseWheelDetails& wheel) override
{
isDragging = true;
for (int i = 0; i < elements.size(); ++i)
{
if (elements[i] != nullptr)
elements[i]->mouseWheelMove (e, wheel);
}
}
void mouseDown (const juce::MouseEvent& e) override
{
for (int i = 0; i < elements.size(); ++i)
{
if (elements[i] == nullptr)
continue;
if (auto* slider = dynamic_cast<ReverseSlider*> (elements[i]))
{
if (isOverTriangle == 1)
{
slider->increment();
}
else if (isOverTriangle == -1)
{
slider->decrement();
}
}
elements[i]->mouseDown (e);
}
}
void mouseUp (const juce::MouseEvent& e) override
{
isDragging = false;
dragDirection = 0;
for (int i = 0; i < elements.size(); ++i)
{
if (elements[i] != nullptr)
elements[i]->mouseUp (e);
}
}
void addSlave (juce::Component& newComponentToControl)
{
elements.add (&newComponentToControl);
}
void paint (juce::Graphics& g) override
{
g.setColour (juce::Colours::white);
auto thickness = (! isDragging && isMouseOver()) ? 1.0f : 0.5f;
const bool isDragginUp = dragDirection == 1;
const bool isDragginDown = dragDirection == -1;
auto upThickness = isDragginUp ? 1.0f : thickness;
auto downThickness = isDragginDown ? 1.0f : thickness;
g.strokePath (triangleUp, juce::PathStrokeType (upThickness));
g.strokePath (triangleDown, juce::PathStrokeType (downThickness));
g.setColour (juce::Colours::steelblue.withMultipliedAlpha (isDragginUp ? 0.9f : 0.3f));
g.fillPath (triangleUp);
g.setColour (juce::Colours::steelblue.withMultipliedAlpha (isDragginDown ? 0.9f : 0.3f));
g.fillPath (triangleDown);
}
void resized() override
{
auto bounds = getLocalBounds().toFloat();
auto centre = bounds.getCentre();
bounds.setHeight (25);
bounds.setWidth (20);
bounds.setCentre (centre);
auto height = bounds.getHeight();
auto upperHalf = bounds.removeFromTop (height / 2);
auto lowerHalf = bounds;
upperHalf.removeFromBottom (2);
triangleUp.clear();
triangleUp.addTriangle (upperHalf.getBottomLeft(),
upperHalf.getBottomRight(),
{ upperHalf.getCentreX(), upperHalf.getY() });
lowerHalf.removeFromTop (2);
triangleDown.clear();
triangleDown.addTriangle (lowerHalf.getTopLeft(),
lowerHalf.getTopRight(),
{ lowerHalf.getCentreX(), lowerHalf.getBottom() });
}
private:
juce::Array<Component*> elements;
juce::Path triangleUp, triangleDown;
bool isDragging = false;
int dragDirection = 0;
int isOverTriangle = 0;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MasterControl)
};
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