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Simplify routine to scroll ta so that caret is visible.

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This commit is contained in:
Michael Drake 2013-01-10 23:20:42 +00:00
parent ab5d165659
commit ac89e52109
1 changed files with 2 additions and 16 deletions
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18
desktop/textarea.c
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@ -238,7 +238,6 @@ static bool textarea_select_fragment(struct textarea * ta)
static bool textarea_scroll_visible(struct textarea *ta)
{
int x0, x1, y0, y1, x, y;
int index, b_off;
bool scrolled = false;
if (ta->caret_pos.char_off == -1)
@ -249,21 +248,8 @@ static bool textarea_scroll_visible(struct textarea *ta)
y0 = 0;
y1 = ta->vis_height;
index = textarea_get_caret(ta);
/* find byte offset of caret position */
for (b_off = 0; index-- > 0;
b_off = utf8_next(ta->text, ta->text_len, b_off))
; /* do nothing */
nsfont.font_width(&ta->fstyle,
ta->text + ta->lines[ta->caret_pos.line].b_start,
b_off - ta->lines[ta->caret_pos.line].b_start,
&x);
/* top-left of caret */
x += MARGIN_LEFT - ta->scroll_x;
y = ta->line_height * ta->caret_pos.line - ta->scroll_y;
x = ta->caret_x - ta->scroll_x;
y = ta->caret_y - ta->scroll_y;
/* check and change vertical scroll */
if (y < y0) {