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package us.minak;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.KeyEvent;
import java.util.ArrayList;
import java.util.List;
public class IMEModifiers {
// FIXME: hard-coded configuration
private final IMEModifier[] modifiers = {
new IMEModifier("Shift", KeyEvent.KEYCODE_SHIFT_LEFT, KeyEvent.META_SHIFT_ON),
new IMEModifier("Ctrl" , KeyEvent.KEYCODE_CTRL_LEFT , KeyEvent.META_CTRL_ON ),
new IMEModifier("Alt" , KeyEvent.KEYCODE_ALT_LEFT , KeyEvent.META_ALT_ON )};
// Static drawing resources
private final Paint colorPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private final Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
// Pre-calculated graphics stuff
private float cx = 0;
private float cy = 0;
private double innerR = 0;
private double outerR = 0;
private double radEach = 0;
// The current state
ArrayList<IMEModifier> selected = new ArrayList<IMEModifier>();
public IMEModifiers() {
textPaint.setColor(Color.BLACK);
}
public void draw(Canvas canvas, float cx, float cy, float r) {
this.cx = cx;
this.cy = cy;
innerR = r*(1.2/3.0);
outerR = r*(1.8/3.0);
radEach = (Math.PI*2.0)/modifiers.length;
double textR = r*.8;
double rad = 0;
float[] hsv = {0F, 1F, .75F};
for (int i = 0; i < modifiers.length; i++) {
rad = radEach * i;
hsv[0] = (float)Math.toDegrees(rad);
colorPaint.setColor(Color.HSVToColor(0x80, hsv));
if (selected.contains(modifiers[i])) {
canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), colorPaint);
} else {
canvas.drawCircle((float)(cx+innerR*Math.cos(rad)),
(float)(cy+innerR*Math.sin(rad)),
(float)outerR,
colorPaint);
}
canvas.drawText(modifiers[i].name,
(float)(cx+textR*Math.cos(rad)),
(float)(cy+textR*Math.sin(rad)),
textPaint);
}
}
public void setSelectionPoint(float x, float y) {
selected.clear();
double mx;
double my;
double rad = 0;
for (int i = 0; i < modifiers.length; i++) {
rad = radEach * i;
mx = cx+innerR*Math.cos(rad);
my = cy+innerR*Math.sin(rad);
if (Math.sqrt(Math.pow(mx-x,2)+Math.pow(my-y, 2)) < outerR)
selected.add(modifiers[i]);
}
}
public List<IMEModifier> getSelection() {
return selected;
}
public void clearSelection() {
selected.clear();
}
}
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