ComposingViewpublic class ComposingView extends android.view.View | View used to show composing string (The Pinyin string for the unselected
syllables and the Chinese string for the selected syllables.) |
| Fields Summary |
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| private static final int | LEFT_RIGHT_MARGIN | | private android.graphics.Paint | mPaintUsed to draw composing string. When drawing the active and idle part of
the spelling(Pinyin) string, the color may be changed. | | private android.graphics.drawable.Drawable | mHlDrawableDrawable used to draw highlight effect. | | private android.graphics.drawable.Drawable | mCursorDrawable used to draw cursor for editing mode. | | private android.graphics.Paint.FontMetricsInt | mFmiUsed to estimate dimensions to show the string . | | private int | mStrColor | | private int | mStrColorHl | | private int | mStrColorIdle | | private int | mFontSize | | private ComposingStatus | mComposingStatus | | PinyinIME.DecodingInfo | mDecInfo |
| Constructors Summary |
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public ComposingView(android.content.Context context, android.util.AttributeSet attrs)
super(context, attrs);
Resources r = context.getResources();
mHlDrawable = r.getDrawable(R.drawable.composing_hl_bg);
mCursor = r.getDrawable(R.drawable.composing_area_cursor);
mStrColor = r.getColor(R.color.composing_color);
mStrColorHl = r.getColor(R.color.composing_color_hl);
mStrColorIdle = r.getColor(R.color.composing_color_idle);
mFontSize = r.getDimensionPixelSize(R.dimen.composing_height);
mPaint = new Paint();
mPaint.setColor(mStrColor);
mPaint.setAntiAlias(true);
mPaint.setTextSize(mFontSize);
mFmi = mPaint.getFontMetricsInt();
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| Methods Summary |
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| private void | drawCursor(android.graphics.Canvas canvas, float x)
mCursor.setBounds((int) x, mPaddingTop, (int) x
+ mCursor.getIntrinsicWidth(), getHeight() - mPaddingBottom);
mCursor.draw(canvas);
| | private void | drawForPinyin(android.graphics.Canvas canvas)
float x, y;
x = mPaddingLeft + LEFT_RIGHT_MARGIN;
y = -mFmi.top + mPaddingTop;
mPaint.setColor(mStrColor);
int cursorPos = mDecInfo.getCursorPosInCmpsDisplay();
int cmpsPos = cursorPos;
String cmpsStr = mDecInfo.getComposingStrForDisplay();
int activeCmpsLen = mDecInfo.getActiveCmpsDisplayLen();
if (cursorPos > activeCmpsLen) cmpsPos = activeCmpsLen;
canvas.drawText(cmpsStr, 0, cmpsPos, x, y, mPaint);
x += mPaint.measureText(cmpsStr, 0, cmpsPos);
if (cursorPos <= activeCmpsLen) {
if (ComposingStatus.EDIT_PINYIN == mComposingStatus) {
drawCursor(canvas, x);
}
canvas.drawText(cmpsStr, cmpsPos, activeCmpsLen, x, y, mPaint);
}
x += mPaint.measureText(cmpsStr, cmpsPos, activeCmpsLen);
if (cmpsStr.length() > activeCmpsLen) {
mPaint.setColor(mStrColorIdle);
int oriPos = activeCmpsLen;
if (cursorPos > activeCmpsLen) {
if (cursorPos > cmpsStr.length()) cursorPos = cmpsStr.length();
canvas.drawText(cmpsStr, oriPos, cursorPos, x, y, mPaint);
x += mPaint.measureText(cmpsStr, oriPos, cursorPos);
if (ComposingStatus.EDIT_PINYIN == mComposingStatus) {
drawCursor(canvas, x);
}
oriPos = cursorPos;
}
canvas.drawText(cmpsStr, oriPos, cmpsStr.length(), x, y, mPaint);
}
| | public com.android.inputmethod.pinyin.ComposingView$ComposingStatus | getComposingStatus()
return mComposingStatus;
| | public boolean | moveCursor(int keyCode)
if (keyCode != KeyEvent.KEYCODE_DPAD_LEFT
&& keyCode != KeyEvent.KEYCODE_DPAD_RIGHT) return false;
if (ComposingStatus.EDIT_PINYIN == mComposingStatus) {
int offset = 0;
if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT)
offset = -1;
else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) offset = 1;
mDecInfo.moveCursor(offset);
} else if (ComposingStatus.SHOW_STRING_LOWERCASE == mComposingStatus) {
if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT
|| keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
mComposingStatus = ComposingStatus.EDIT_PINYIN;
measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
requestLayout();
}
}
invalidate();
return true;
| | protected void | onDraw(android.graphics.Canvas canvas)
if (ComposingStatus.EDIT_PINYIN == mComposingStatus
|| ComposingStatus.SHOW_PINYIN == mComposingStatus) {
drawForPinyin(canvas);
return;
}
float x, y;
x = mPaddingLeft + LEFT_RIGHT_MARGIN;
y = -mFmi.top + mPaddingTop;
mPaint.setColor(mStrColorHl);
mHlDrawable.setBounds(mPaddingLeft, mPaddingTop, getWidth()
- mPaddingRight, getHeight() - mPaddingBottom);
mHlDrawable.draw(canvas);
String splStr = mDecInfo.getOrigianlSplStr().toString();
canvas.drawText(splStr, 0, splStr.length(), x, y, mPaint);
| | protected void | onMeasure(int widthMeasureSpec, int heightMeasureSpec)
float width;
int height;
height = mFmi.bottom - mFmi.top + mPaddingTop + mPaddingBottom;
if (null == mDecInfo) {
width = 0;
} else {
width = mPaddingLeft + mPaddingRight + LEFT_RIGHT_MARGIN * 2;
String str;
if (ComposingStatus.SHOW_STRING_LOWERCASE == mComposingStatus) {
str = mDecInfo.getOrigianlSplStr().toString();
} else {
str = mDecInfo.getComposingStrForDisplay();
}
width += mPaint.measureText(str, 0, str.length());
}
setMeasuredDimension((int) (width + 0.5f), height);
| | public void | reset()
mComposingStatus = ComposingStatus.SHOW_PINYIN;
| | public void | setDecodingInfo(PinyinIME.DecodingInfo decInfo, PinyinIME.ImeState imeStatus)Set the composing string to show. If the IME status is
{@link PinyinIME.ImeState#STATE_INPUT}, the composing view's status will
be set to {@link ComposingStatus#SHOW_PINYIN}, otherwise the composing
view will set its status to {@link ComposingStatus#SHOW_STRING_LOWERCASE}
or {@link ComposingStatus#EDIT_PINYIN} automatically.
mDecInfo = decInfo;
if (PinyinIME.ImeState.STATE_INPUT == imeStatus) {
mComposingStatus = ComposingStatus.SHOW_PINYIN;
mDecInfo.moveCursorToEdge(false);
} else {
if (decInfo.getFixedLen() != 0
|| ComposingStatus.EDIT_PINYIN == mComposingStatus) {
mComposingStatus = ComposingStatus.EDIT_PINYIN;
} else {
mComposingStatus = ComposingStatus.SHOW_STRING_LOWERCASE;
}
mDecInfo.moveCursor(0);
}
measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
requestLayout();
invalidate();
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