45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
package org.sufficientlysecure.keychain.ui.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.*;
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import android.support.annotation.NonNull;
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import android.util.AttributeSet;
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import android.widget.EditText;
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import org.sufficientlysecure.keychain.R;
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public class PrefixedEditText extends EditText {
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private String mPrefix;
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private Rect mPrefixRect = new Rect();
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public PrefixedEditText(Context context, AttributeSet attrs) {
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super(context, attrs);
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TypedArray style = context.getTheme().obtainStyledAttributes(
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attrs, R.styleable.PrefixedEditText, 0, 0);
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mPrefix = style.getString(R.styleable.PrefixedEditText_prefix);
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if (mPrefix == null) {
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mPrefix = "";
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}
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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getPaint().getTextBounds(mPrefix, 0, mPrefix.length(), mPrefixRect);
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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}
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@Override
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protected void onDraw(@NonNull Canvas canvas) {
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super.onDraw(canvas);
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canvas.drawText(mPrefix, super.getCompoundPaddingLeft(), getBaseline(), getPaint());
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}
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@Override
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public int getCompoundPaddingLeft() {
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return super.getCompoundPaddingLeft() + mPrefixRect.width();
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}
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} |