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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 ZONELAYOUTCOMPONENT_H_INCLUDED
#define ZONELAYOUTCOMPONENT_H_INCLUDED
class ZoneLayoutComponent : public Component,
public MPESetupComponent::Listener
{
public:
//==============================================================================
ZoneLayoutComponent (const ZoneColourPicker& zoneColourPicker)
: colourPicker (zoneColourPicker)
{}
//==============================================================================
void paint (Graphics& g) override
{
paintBackground (g);
if (legacyModeEnabled)
paintLegacyMode (g);
else
paintZones (g);
}
//==============================================================================
void zoneAdded (MPEZone newZone) override
{
zoneLayout.addZone (newZone);
repaint();
}
void allZonesCleared() override
{
zoneLayout.clearAllZones();
repaint();
}
void legacyModeChanged (bool legacyModeShouldBeEnabled, int pitchbendRange, Range<int> channelRange) override
{
legacyModeEnabled = legacyModeShouldBeEnabled;
legacyModePitchbendRange = pitchbendRange;
legacyModeChannelRange = channelRange;
repaint();
}
void voiceStealingEnabledChanged (bool) override { /* not interested in this change */ }
void numberOfVoicesChanged (int) override { /* not interested in this change */ }
private:
//==============================================================================
void paintBackground (Graphics& g)
{
g.setColour (Colours::black);
float channelWidth = getChannelRectangleWidth();
for (int i = 0; i < numMidiChannels; ++i)
{
float x = float (i) * channelWidth;
Rectangle<int> channelArea ((int) x, 0, (int) channelWidth, getHeight());
Line<float> line (x, 0.0f, x, float (getHeight()));
g.drawLine (line);
g.drawText (String (i + 1), channelArea.reduced (4, 4), Justification::topLeft, false);
}
}
//==============================================================================
void paintZones (Graphics& g)
{
float channelWidth = getChannelRectangleWidth();
for (int i = 0; i < zoneLayout.getNumZones(); ++i)
{
MPEZone zone = *zoneLayout.getZoneByIndex (i);
Colour zoneColour = colourPicker.getColourForZoneIndex (i);
Rectangle<int> zoneRect (int (getChannelRectangleWidth() * (zone.getMasterChannel() - 1)), 0,
int (getChannelRectangleWidth() * (zone.getNumNoteChannels() + 1)), getHeight());
zoneRect.removeFromTop (20);
g.setColour (zoneColour.withAlpha (0.3f));
g.fillRect (zoneRect.withWidth ((int) channelWidth));
g.setColour (zoneColour);
g.drawRect (zoneRect, 3);
g.drawText ("<>" + String (zone.getPerNotePitchbendRange()), zoneRect.withTrimmedLeft ((int) channelWidth).reduced (4, 4), Justification::bottomLeft, false);
g.setColour (Colours::black);
g.drawText ("ZONE " + String (i + 1), zoneRect.reduced (4, 4), Justification::topLeft, false);
g.drawText ("<>" + String (zone.getMasterPitchbendRange()), zoneRect.reduced (4, 4), Justification::bottomLeft, false);
}
}
//==============================================================================
void paintLegacyMode (Graphics& g)
{
int startChannel = legacyModeChannelRange.getStart() - 1;
int numChannels = legacyModeChannelRange.getEnd() - startChannel - 1;
Rectangle<int> zoneRect (int (getChannelRectangleWidth() * startChannel), 0,
int (getChannelRectangleWidth() * numChannels), getHeight());
zoneRect.removeFromTop (20);
g.setColour (Colours::white);
g.drawRect (zoneRect, 3);
g.drawText ("LGCY", zoneRect.reduced (4, 4), Justification::topLeft, false);
g.drawText ("<>" + String (legacyModePitchbendRange), zoneRect.reduced (4, 4), Justification::bottomLeft, false);
}
//==============================================================================
float getChannelRectangleWidth() const noexcept
{
return float (getWidth()) / numMidiChannels;
}
//==============================================================================
MPEZoneLayout zoneLayout;
const ZoneColourPicker& colourPicker;
bool legacyModeEnabled = false;
int legacyModePitchbendRange = 48;
Range<int> legacyModeChannelRange = { 1, 17 };
const int numMidiChannels = 16;
};
#endif // ZONELAYOUTCOMPONENT_H_INCLUDED
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