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package com.classicube;
import android.text.Editable;
import android.text.Selection;
import android.text.SpannableStringBuilder;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.inputmethod.BaseInputConnection;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
public class CCView extends SurfaceView {
SpannableStringBuilder kbText;
MainActivity activity;
public CCView(MainActivity activity) {
// setFocusable, setFocusableInTouchMode - API level 1
super(activity);
this.activity = activity;
setFocusable(true);
setFocusableInTouchMode(true);
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
return activity.handleTouchEvent(ev) || super.dispatchTouchEvent(ev);
}
@Override
public InputConnection onCreateInputConnection(EditorInfo attrs) {
// BaseInputConnection, IME_ACTION_GO, IME_FLAG_NO_EXTRACT_UI - API level 3
attrs.actionLabel = null;
attrs.inputType = MainActivity.calcKeyboardType(activity.keyboardType);
attrs.imeOptions = MainActivity.calcKeyboardOptions(activity.keyboardType);
kbText = new SpannableStringBuilder(activity.keyboardText);
InputConnection ic = new BaseInputConnection(this, true) {
boolean inited;
void updateText() {
activity.pushCmd(MainActivity.CMD_KEY_TEXT, kbText.toString());
}
@Override
public Editable getEditable() {
if (!inited) {
// needed to set selection, otherwise random crashes later with backspacing
// set selection to end, so backspacing after opening keyboard with text still works
Selection.setSelection(kbText, kbText.toString().length());
inited = true;
}
return kbText;
}
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
boolean success = super.setComposingText(text, newCursorPosition);
updateText();
return success;
}
@Override
public boolean deleteSurroundingText(int beforeLength, int afterLength) {
boolean success = super.deleteSurroundingText(beforeLength, afterLength);
updateText();
return success;
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
boolean success = super.commitText(text, newCursorPosition);
updateText();
return success;
}
@Override
public boolean sendKeyEvent(KeyEvent ev) {
// getSelectionStart - API level 1
if (ev.getAction() != KeyEvent.ACTION_DOWN) return super.sendKeyEvent(ev);
int code = ev.getKeyCode();
int uni = ev.getUnicodeChar();
// start is -1 sometimes, and trying to insert/delete there crashes
int start = Selection.getSelectionStart(kbText);
if (start == -1) start = kbText.toString().length();
if (code == KeyEvent.KEYCODE_ENTER) {
// enter maps to \n but that should not be intercepted
} else if (code == KeyEvent.KEYCODE_DEL) {
if (start <= 0) return false;
kbText.delete(start - 1, start);
updateText();
return false;
} else if (uni != 0) {
kbText.insert(start, String.valueOf((char) uni));
updateText();
return false;
}
return super.sendKeyEvent(ev);
}
};
//String text = MainActivity.this.keyboardText;
//if (text != null) ic.setComposingText(text, 0);
return ic;
}
}
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