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Code Issues Actions 3 Packages Projects Releases Wiki Activity

Create KeyboardData class and handle move on keys

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juloo 2015-07-31 20:48:19 +02:00
parent 702ae9d0c1
commit 45ea215bb6
4 changed files with 208 additions and 132 deletions
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4
srcs/juloo.keyboard2/KeyValue.java
View File

@ -40,7 +40,9 @@ enum KeyValue
KEY_6("6", '6'),
KEY_7("7", '7'),
KEY_8("8", '8'),
KEY_9("9", '9');
KEY_9("9", '9'),
KEY_ENTER("enter", '\n'),
KEY_SPACE("space", ' ');
private String _name;
private char _char;

11
srcs/juloo.keyboard2/Keyboard2.java
View File

@ -2,19 +2,28 @@ package juloo.keyboard2;
import android.inputmethodservice.InputMethodService;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
public class Keyboard2 extends InputMethodService
{
public static final String TAG = "Keyboard_2.0";
private KeyboardData _keyboardData;
private Keyboard2View _inputView;
@Override
public void onCreate()
{
super.onCreate();
_keyboardData = new KeyboardData(getResources().getXml(R.xml.azerty));
}
@Override
public View onCreateInputView()
{
_inputView = (Keyboard2View)getLayoutInflater().inflate(R.layout.input, null);
_inputView.loadKeyboard(R.xml.azerty);
_inputView.setKeyboard(this, _keyboardData);
return (_inputView);
}

186
srcs/juloo.keyboard2/Keyboard2View.java
View File

@ -1,7 +1,6 @@
package juloo.keyboard2;
import android.content.Context;
import android.content.res.XmlResourceParser;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
@ -9,7 +8,6 @@ import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.MotionEvent;
import android.view.View;
import java.util.ArrayList;
public class Keyboard2View extends View
implements View.OnTouchListener
@ -21,7 +19,8 @@ public class Keyboard2View extends View
private static final float KEY_LABEL_DPI = 16;
private static final float KEY_SUBLABEL_DPI = 12;
private ArrayList<Row> _rows;
private Keyboard2 _ime;
private KeyboardData _keyboard;
private float _keyWidth;
private float _keyHeight;
@ -36,7 +35,6 @@ public class Keyboard2View extends View
public Keyboard2View(Context context, AttributeSet attrs)
{
super(context, attrs);
_rows = null;
DisplayMetrics dm = context.getResources().getDisplayMetrics();
_keyMargin = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, KEY_MARGIN_DPI, dm);
_keyHeight = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, KEY_HEIGHT_DPI, dm);
@ -57,36 +55,10 @@ public class Keyboard2View extends View
setOnTouchListener(this);
}
public void loadKeyboard(int res)
public void setKeyboard(Keyboard2 ime, KeyboardData keyboardData)
{
XmlResourceParser parser = getContext().getResources().getXml(res);
ArrayList<Row> rows = new ArrayList<Row>();
try
{
int status;
while (parser.next() != XmlResourceParser.START_TAG)
continue ;
if (!parser.getName().equals("keyboard"))
throw new Exception("Unknow tag: " + parser.getName());
while ((status = parser.next()) != XmlResourceParser.END_DOCUMENT)
{
if (status == XmlResourceParser.START_TAG)
{
String tag = parser.getName();
if (tag.equals("row"))
rows.add(new Row(parser, _keyWidth, _keyMargin));
else
throw new Exception("Unknow keyboard tag: " + tag);
}
}
_rows = rows;
}
catch (Exception e)
{
e.printStackTrace();
}
_ime = ime;
_keyboard = keyboardData;
}
@Override
@ -95,6 +67,7 @@ public class Keyboard2View extends View
float x;
float y;
float keyW;
int p;
switch (event.getActionMasked())
{
@ -104,41 +77,64 @@ public class Keyboard2View extends View
break ;
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
int p = event.getActionIndex();
p = event.getActionIndex();
onTouchDown(event.getX(p), event.getY(p), event.getPointerId(p));
break ;
case MotionEvent.ACTION_MOVE:
for (p = 0; p < event.getPointerCount(); p++)
onTouchMove(event.getX(p), event.getY(p), event.getPointerId(p));
break ;
default:
return (false);
}
return (true);
}
private void onTouchDown(float touch_x, float touch_y, int pointerId)
private void onTouchMove(float moveX, float moveY, int pointerId)
{
for (KeyboardData.Row row : _keyboard.getRows())
{
for (KeyboardData.Key k : row)
{
if (k.downPointer == pointerId)
{
KeyValue v = k.getDownValue(moveX, moveY);
if (v != k.downValue)
{
k.downValue = v;
Keyboard2.log("Key down " + v.getName());
}
}
}
}
}
private void onTouchDown(float touchX, float touchY, int pointerId)
{
float x;
float y;
float keyW;
y = -_keyHeight;
for (Row row : _rows)
for (KeyboardData.Row row : _keyboard.getRows())
{
y += _keyHeight + _keyMargin;
if (touch_y < y || touch_y >= (y + _keyHeight))
if (touchY < y || touchY >= (y + _keyHeight))
continue ;
x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth()) / 2 + _keyMargin;
for (Key k : row)
x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth(_keyWidth, _keyMargin)) / 2 + _keyMargin;
for (KeyboardData.Key k : row)
{
keyW = _keyWidth * k.width;
if (touch_x >= x && touch_x < (x + keyW))
if (touchX >= x && touchX < (x + keyW) && k.downPointer == -1)
{
if (k.down_pointer == -1)
{
if (k.key0 != null)
Keyboard2.log("Key down " + k.key0.getName());
k.down_pointer = pointerId;
invalidate();
return ;
}
if (k.key0 != null)
Keyboard2.log("Key down " + k.key0.getName());
k.downPointer = pointerId;
k.downValue = k.key0;
k.downX = touchX;
k.downY = touchY;
invalidate();
return ;
}
x += keyW + _keyMargin;
}
@ -147,15 +143,15 @@ public class Keyboard2View extends View
private void onTouchUp(int pointerId)
{
for (Row row : _rows)
for (KeyboardData.Row row : _keyboard.getRows())
{
for (Key k : row)
for (KeyboardData.Key k : row)
{
if (k.down_pointer == pointerId)
if (k.downPointer == pointerId)
{
if (k.key0 != null)
Keyboard2.log("Key up " + k.key0.getName());
k.down_pointer = -1;
if (k.downValue != null)
Keyboard2.log("Key up " + k.downValue.getName());
k.downPointer = -1;
invalidate();
}
}
@ -167,10 +163,10 @@ public class Keyboard2View extends View
{
int height;
if (_rows == null)
if (_keyboard.getRows() == null)
height = 0;
else
height = (int)((_keyHeight + _keyMargin) * (float)_rows.size() + _keyMargin);
height = (int)((_keyHeight + _keyMargin) * ((float)_keyboard.getRows().size()) + _keyMargin);
setMeasuredDimension(MeasureSpec.getSize(wSpec), height);
}
@ -180,16 +176,14 @@ public class Keyboard2View extends View
float x;
float y;
if (_rows == null)
return ;
y = _keyMargin;
for (Row row : _rows)
for (KeyboardData.Row row : _keyboard.getRows())
{
x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth()) / 2 + _keyMargin;
for (Key k : row)
x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth(_keyWidth, _keyMargin)) / 2 + _keyMargin;
for (KeyboardData.Key k : row)
{
float keyW = _keyWidth * k.width;
if (k.down_pointer != -1)
if (k.downPointer != -1)
canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyDownBgPaint);
else
canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyBgPaint);
@ -213,72 +207,4 @@ public class Keyboard2View extends View
y += _keyHeight + _keyMargin;
}
}
private class Row extends ArrayList<Key>
{
private float _width;
public Row(XmlResourceParser parser, float keyWidth, float keyMargin) throws Exception
{
super();
int status;
_width = 0;
while ((status = parser.next()) != XmlResourceParser.END_TAG)
{
if (status == XmlResourceParser.START_TAG)
{
String tag = parser.getName();
if (tag.equals("key"))
{
Key k = new Key(parser);
if (_width != 0f)
_width += keyMargin;
_width += keyWidth * k.width;
add(k);
}
else
throw new Exception("Unknow row tag: " + tag);
}
}
}
public float getWidth()
{
return (_width);
}
}
private class Key
{
public KeyValue key0;
public KeyValue key1;
public KeyValue key2;
public KeyValue key3;
public KeyValue key4;
public float width;
public int down_pointer;
public Key(XmlResourceParser parser) throws Exception
{
down_pointer = -1;
key0 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key0"));
key1 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key1"));
key2 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key2"));
key3 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key3"));
key4 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key4"));
try
{
width = parser.getAttributeFloatValue(null, "width", 1f);
}
catch (Exception e)
{
width = 1f;
}
while (parser.next() != XmlResourceParser.END_TAG)
continue ;
}
}
}

139
srcs/juloo.keyboard2/KeyboardData.java Normal file
View File

@ -0,0 +1,139 @@
package juloo.keyboard2;
import android.content.res.XmlResourceParser;
import java.util.ArrayList;
class KeyboardData
{
private ArrayList<Row> _rows;
public KeyboardData(XmlResourceParser parser)
{
ArrayList<Row> rows = new ArrayList<Row>();
try
{
int status;
while (parser.next() != XmlResourceParser.START_TAG)
continue ;
if (!parser.getName().equals("keyboard"))
throw new Exception("Unknow tag: " + parser.getName());
while ((status = parser.next()) != XmlResourceParser.END_DOCUMENT)
{
if (status == XmlResourceParser.START_TAG)
{
String tag = parser.getName();
if (tag.equals("row"))
rows.add(new Row(parser));
else
throw new Exception("Unknow keyboard tag: " + tag);
}
}
_rows = rows;
}
catch (Exception e)
{
e.printStackTrace();
}
}
public ArrayList<Row> getRows()
{
return (_rows);
}
public class Row extends ArrayList<Key>
{
private float _keysWidth;
public Row(XmlResourceParser parser) throws Exception
{
super();
int status;
_keysWidth = 0;
while ((status = parser.next()) != XmlResourceParser.END_TAG)
{
if (status == XmlResourceParser.START_TAG)
{
String tag = parser.getName();
if (tag.equals("key"))
{
Key k = new Key(parser);
_keysWidth += k.width;
add(k);
}
else
throw new Exception("Unknow row tag: " + tag);
}
}
}
public float getWidth(float keyWidth, float keyMargin)
{
return (keyWidth * _keysWidth + ((size() - 1) * keyMargin));
}
}
public class Key
{
/*
** 1 2
** 0
** 3 4
*/
public KeyValue key0;
public KeyValue key1;
public KeyValue key2;
public KeyValue key3;
public KeyValue key4;
public float width;
public Key(XmlResourceParser parser) throws Exception
{
downPointer = -1;
key0 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key0"));
key1 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key1"));
key2 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key2"));
key3 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key3"));
key4 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key4"));
try
{
width = parser.getAttributeFloatValue(null, "width", 1f);
}
catch (Exception e)
{
width = 1f;
}
while (parser.next() != XmlResourceParser.END_TAG)
continue ;
}
// TODO move it in Keyboard2View
private static final float SUB_VALUE_DIST = 5f;
public int downPointer;
public KeyValue downValue;
public float downX;
public float downY;
public KeyValue getDownValue(float x, float y)
{
x -= downX;
y -= downY;
if ((Math.abs(x) + Math.abs(y)) < SUB_VALUE_DIST)
return (key0);
if (x < 0)
{
if (y < 0)
return ((key1 == null) ? key0 : key1);
return ((key3 == null) ? key0 : key3);
}
else if (y < 0)
return ((key2 == null) ? key0 : key2);
return ((key4 == null) ? key0 : key4);
}
}
}