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Bug 230235 - AIX+GTK2: Preedit string is not highlighted properly

Browse Source 
r=katakai@japan.sun.com, sr=blizzard@mozilla.org
This commit is contained in:
pkw%us.ibm.com 2004-01-15 20:17:23 +00:00
parent 85eee6017d
commit a213e3d518
1 changed files with 54 additions and 52 deletions
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106
widget/src/gtk2/nsWindow.cpp
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@ -4133,9 +4133,9 @@ IM_set_text_range(const PRInt32 aLen,
START_OFFSET(0) = aLen;
END_OFFSET(0) = aLen;
int count;
int count = 0;
PangoAttribute * aPangoAttr;
count = 0;
PangoAttribute * aPangoAttrReverse, * aPangoAttrUnderline;
/*
* Depend on gtk2's implementation on XIM support.
* In aFeedback got from gtk2, there are only three types of data:
@ -4145,61 +4145,63 @@ IM_set_text_range(const PRInt32 aLen,
* PANGO_ATTR_BACKGROUND and PANGO_ATTR_FOREGROUND are always
* a couple.
*/
gint start, end;
gunichar2 * uniStr;
glong uniStrLen;
do {
aPangoAttr = pango_attr_iterator_get(aFeedbackIterator,
PANGO_ATTR_UNDERLINE);
if (aPangoAttr) {
// Stands for XIMUnderline
count++;
START_OFFSET(count) = 0;
END_OFFSET(count) = 0;
uniStr = NULL;
if (aPangoAttr->start_index > 0)
uniStr = g_utf8_to_utf16(aPreeditString,
aPangoAttr->start_index,
NULL, &uniStrLen, NULL);
if (uniStr)
START_OFFSET(count) = uniStrLen;
uniStr = NULL;
uniStr = g_utf8_to_utf16(aPreeditString + aPangoAttr->start_index,
aPangoAttr->end_index - aPangoAttr->start_index,
NULL, &uniStrLen, NULL);
if (uniStr) {
END_OFFSET(count) = START_OFFSET(count) + uniStrLen;
SET_FEEDBACKTYPE(count, NS_TEXTRANGE_CONVERTEDTEXT);
}
} else {
aPangoAttr = pango_attr_iterator_get(aFeedbackIterator,
PANGO_ATTR_FOREGROUND);
if (aPangoAttr) {
count++;
START_OFFSET(count) = 0;
END_OFFSET(count) = 0;
uniStr = NULL;
if (aPangoAttr->start_index > 0)
uniStr = g_utf8_to_utf16(aPreeditString,
aPangoAttr->start_index,
NULL, &uniStrLen, NULL);
if (uniStr)
START_OFFSET(count) = uniStrLen;
uniStr = NULL;
uniStr = g_utf8_to_utf16(
aPreeditString + aPangoAttr->start_index,
aPangoAttr->end_index - aPangoAttr->start_index,
NULL, &uniStrLen, NULL);
aPangoAttrUnderline = pango_attr_iterator_get(aFeedbackIterator,
PANGO_ATTR_UNDERLINE);
aPangoAttrReverse = pango_attr_iterator_get(aFeedbackIterator,
PANGO_ATTR_FOREGROUND);
if (!aPangoAttrUnderline && !aPangoAttrReverse)
continue;
if (uniStr) {
END_OFFSET(count) = START_OFFSET(count) + uniStrLen;
SET_FEEDBACKTYPE(count, NS_TEXTRANGE_SELECTEDRAWTEXT);
}
}
// Get the range of the current attribute(s)
pango_attr_iterator_range(aFeedbackIterator, &start, &end);
PRUint32 feedbackType;
// XIMReverse | XIMUnderline
if (aPangoAttrUnderline && aPangoAttrReverse) {
feedbackType = NS_TEXTRANGE_SELECTEDCONVERTEDTEXT;
// Doesn't matter which attribute we use here since we
// are using pango_attr_iterator_range to determine the
// range of the attributes.
aPangoAttr = aPangoAttrUnderline;
}
// XIMUnderline
else if (aPangoAttrUnderline) {
feedbackType = NS_TEXTRANGE_CONVERTEDTEXT;
aPangoAttr = aPangoAttrUnderline;
}
// XIMReverse
else if (aPangoAttrReverse) {
feedbackType = NS_TEXTRANGE_SELECTEDRAWTEXT;
aPangoAttr = aPangoAttrReverse;
}
count++;
START_OFFSET(count) = 0;
END_OFFSET(count) = 0;
uniStr = NULL;
if (start > 0) {
uniStr = g_utf8_to_utf16(aPreeditString, start,
NULL, &uniStrLen, NULL);
}
if (uniStr) {
START_OFFSET(count) = uniStrLen;
g_free(uniStr);
}
uniStr = NULL;
uniStr = g_utf8_to_utf16(aPreeditString + start, end - start,
NULL, &uniStrLen, NULL);
if (uniStr) {
END_OFFSET(count) = START_OFFSET(count) + uniStrLen;
SET_FEEDBACKTYPE(count, feedbackType);
g_free(uniStr);
}
} while ((count < aMaxLenOfTextRange - 1) &&
(pango_attr_iterator_next(aFeedbackIterator)));