|
Lines 948-960
nsFontMetricsPango::GetClusterInfo(const
Link Here
|
| 948 |
PRInt32 |
948 |
PRInt32 |
| 949 |
nsFontMetricsPango::GetPosition(const PRUnichar *aText, PRUint32 aLength, |
949 |
nsFontMetricsPango::GetPosition(const PRUnichar *aText, PRUint32 aLength, |
| 950 |
nsPoint aPt) |
950 |
nsPoint aPt) |
| 951 |
{ |
951 |
{ |
| 952 |
int trailing = 0; |
952 |
int trailing = 0; |
| 953 |
int inx = 0; |
953 |
int inx = 0; |
| 954 |
gboolean found = FALSE; |
|
|
| 955 |
const gchar *curChar; |
954 |
const gchar *curChar; |
| 956 |
PRInt32 retval = 0; |
955 |
PRInt32 retval = 0; |
| 957 |
|
956 |
|
| 958 |
float f = mDeviceContext->AppUnitsToDevUnits(); |
957 |
float f = mDeviceContext->AppUnitsToDevUnits(); |
| 959 |
|
958 |
|
| 960 |
PangoLayout *layout = pango_layout_new(mPangoContext); |
959 |
PangoLayout *layout = pango_layout_new(mPangoContext); |
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Lines 974-1001
nsFontMetricsPango::GetPosition(const PR
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| 974 |
} |
973 |
} |
| 975 |
|
974 |
|
| 976 |
// Set up the pango layout |
975 |
// Set up the pango layout |
| 977 |
pango_layout_set_text(layout, text, strlen(text)); |
976 |
pango_layout_set_text(layout, text, strlen(text)); |
| 978 |
FixupSpaceWidths(layout, text); |
977 |
FixupSpaceWidths(layout, text); |
| 979 |
|
978 |
|
| 980 |
found = pango_layout_xy_to_index(layout, localX, localY, |
979 |
pango_layout_xy_to_index(layout, localX, localY, |
| 981 |
&inx, &trailing); |
980 |
&inx, &trailing); |
| 982 |
|
981 |
|
| 983 |
// Convert the index back to the utf-16 index |
982 |
// Convert the index back to the utf-16 index |
| 984 |
curChar = text; |
983 |
curChar = text; |
| 985 |
|
984 |
|
| 986 |
// Jump to the end if it's not found. |
|
|
| 987 |
if (!found) { |
| 988 |
if (inx == 0) |
| 989 |
retval = 0; |
| 990 |
else if (trailing) |
| 991 |
retval = aLength; |
| 992 |
|
| 993 |
goto loser; |
| 994 |
} |
| 995 |
|
| 996 |
for (PRUint32 curOffset=0; curOffset < aLength; |
985 |
for (PRUint32 curOffset=0; curOffset < aLength; |
| 997 |
curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) { |
986 |
curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) { |
| 998 |
|
987 |
|
| 999 |
// Check for a match before checking for a surrogate pair |
988 |
// Check for a match before checking for a surrogate pair |
| 1000 |
if (curChar - text == inx) { |
989 |
if (curChar - text == inx) { |
| 1001 |
retval = curOffset; |
990 |
retval = curOffset; |
