private float getMaxLineWidth(Layout layout) {
float max_width = 0.0f;
int lines = layout.getLineCount();
for (int i = 0; i < lines; i++) {
if (layout.getLineWidth(i) > max_width) {
max_width = layout.getLineWidth(i);
}
}
return max_width;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int specModeW = MeasureSpec.getMode(widthMeasureSpec);
if (specModeW != MeasureSpec.EXACTLY) {
Layout layout = getLayout();
int linesCount = layout.getLineCount();
if (linesCount > 1) {
float textRealMaxWidth = 0;
for (int n = 0; n < linesCount; ++n) {
textRealMaxWidth = Math.max(textRealMaxWidth, layout.getLineWidth(n));
}
int w = Math.round(textRealMaxWidth);
if (w < getMeasuredWidth()) {
super.onMeasure(MeasureSpec.makeMeasureSpec(w, MeasureSpec.AT_MOST), heightMeasureSpec);
}
}
}
}
private boolean down(TextView widget, Spannable buffer) {
if (DBG) {
Log.d(LOG_TAG, "--- down:");
}
Layout layout = widget.getLayout();
int end = getEndPos(widget);
int line = layout.getLineForOffset(end);
if (line < layout.getLineCount() - 1) {
int to;
if (layout.getParagraphDirection(line) == layout.getParagraphDirection(line + 1)) {
float h = layout.getPrimaryHorizontal(end);
to = layout.getOffsetForHorizontal(line + 1, h);
} else {
to = layout.getLineStart(line + 1);
}
mManager.setSelectedEndPos(to);
mManager.onCursorMoved();
return true;
}
return false;
}
private int chooseSize(PopupWindow pop, View parentView, CharSequence text, TextView tv) {
int wid = tv.getPaddingLeft() + tv.getPaddingRight();
int ht = tv.getPaddingTop() + tv.getPaddingBottom();
/*
* Figure out how big the text would be if we laid it out to the
* full width of this view minus the border.
*/
int cap = width - wid;
Layout l =
new StaticLayout(text, tv.getPaint(), cap, Layout.Alignment.ALIGN_NORMAL, 1, 0, true);
float max = 0;
for (int i = 0; i < l.getLineCount(); i++) {
max = Math.max(max, l.getLineWidth(i));
}
/*
* Now set the popup size to be big enough for the text plus the border.
*/
pop.setWidth(width);
pop.setHeight(ht + l.getHeight());
return l.getHeight();
}