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Move line start calc into reflow handler.

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This commit is contained in:
Michael Drake 2013-03-22 13:49:01 +00:00
parent b23c580f33
commit b603cafbaa
1 changed files with 14 additions and 17 deletions
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31
desktop/textarea.c
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@ -842,16 +842,17 @@ static bool textarea_reflow_singleline(struct textarea *ta, size_t b_off,
/**
* Reflow a text area from the given line onwards
* Reflow a multiline textarea from the given line onwards
*
* \param ta Text area to reflow
* \param start Line number to begin reflow on
* \param ta Textarea to reflow
* \param b_start 0-based byte offset in ta->text to start of modification
* \return true on success false otherwise
*/
static bool textarea_reflow_multiline(struct textarea *ta, unsigned int start)
static bool textarea_reflow_multiline(struct textarea *ta, size_t b_start)
{
char *text;
unsigned int len;
unsigned int start;
size_t b_off;
int x;
char *space, *para_end;
@ -874,14 +875,16 @@ static bool textarea_reflow_multiline(struct textarea *ta, unsigned int start)
ta->lines_alloc_size = LINE_CHUNK_SIZE;
}
/* Get line of start of changes */
for (start = 0; (signed) start < ta->line_count - 1; start++)
if (ta->lines[start + 1].b_start > b_start)
break;
/* Find max number of lines before vertical scrollbar is required */
scroll_lines = (ta->vis_height - 2 * ta->border_width -
ta->pad_top - ta->pad_bottom) /
ta->line_height;
if ((signed)start > ta->line_count)
start = 0;
/* Have to start on line before where the changes are in case an
* added space makes the text before the space on a soft-wrapped line
* fit on the line above */
@ -1177,7 +1180,7 @@ static bool textarea_set_caret_xy(struct textarea *ta, int x, int y,
static bool textarea_insert_text(struct textarea *ta, const char *text,
size_t b_off, size_t b_len, int *byte_delta, struct rect *r)
{
int char_delta, line;
int char_delta;
const size_t show_b_off = b_off;
if (ta->flags & TEXTAREA_READONLY)
@ -1233,10 +1236,7 @@ static bool textarea_insert_text(struct textarea *ta, const char *text,
/* See to reflow */
if (ta->flags & TEXTAREA_MULTILINE) {
for (line = 0; line < ta->line_count - 1; line++)
if (ta->lines[line + 1].b_start > b_off)
break;
if (!textarea_reflow_multiline(ta, line))
if (!textarea_reflow_multiline(ta, show_b_off))
return false;
} else {
if (!textarea_reflow_singleline(ta, show_b_off, r))
@ -1294,7 +1294,7 @@ static bool textarea_replace_text(struct textarea *ta, size_t b_start,
size_t b_end, const char *rep, size_t rep_len,
bool add_to_clipboard, int *byte_delta, struct rect *r)
{
int char_delta, line;
int char_delta;
const size_t show_b_off = b_start;
*byte_delta = 0;
@ -1388,10 +1388,7 @@ static bool textarea_replace_text(struct textarea *ta, size_t b_start,
/* See to reflow */
if (ta->flags & TEXTAREA_MULTILINE) {
for (line = 0; line < ta->line_count - 1; line++)
if (ta->lines[line + 1].b_start > b_start)
break;
if (!textarea_reflow_multiline(ta, line))
if (!textarea_reflow_multiline(ta, b_start))
return false;
} else {
if (!textarea_reflow_singleline(ta, show_b_off, r))