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Fix textarea wrap bug.

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Was comparing against the current start line length, to decide if it
needed redrawing, without taking into account that old start line
might have been longer.
This commit is contained in:
Michael Drake 2014-09-27 18:58:37 +01:00
parent c3d6099250
commit f58a2580e0
1 changed files with 12 additions and 2 deletions
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14
desktop/textarea.c
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@ -915,6 +915,7 @@ static bool textarea_reflow_multiline(struct textarea *ta,
unsigned int len;
unsigned int start;
size_t b_off;
size_t b_start_line_end;
int x;
char *space, *para_end;
unsigned int line; /* line count */
@ -954,6 +955,9 @@ static bool textarea_reflow_multiline(struct textarea *ta,
if (start != 0)
start--;
/* Record original end pos of start line */
b_start_line_end = ta->lines[start].b_start + ta->lines[start].b_length;
/* During layout we may decide we need to restart again from the
* textarea's first line. */
do {
@ -1156,9 +1160,15 @@ static bool textarea_reflow_multiline(struct textarea *ta,
ta->v_extent = v_extent;
ta->line_count = line;
/* Update start line end byte pos, if it's increased */
if (ta->lines[start].b_start + ta->lines[start].b_length >
b_start_line_end) {
b_start_line_end = ta->lines[start].b_start +
ta->lines[start].b_length;
}
/* Don't need to redraw above changes, so update redraw request rect */
if (ta->lines[start].b_start + ta->lines[start].b_length < b_start &&
restart == false) {
if (b_start_line_end < b_start && restart == false) {
/* Start line is unchanged */
start++;
skip_line = true;