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Implement text selection auto-scroll.

This commit is contained in:
Michael Drake 2013-02-08 20:03:44 +00:00
parent 7a397d29c6
commit 586e02e915
1 changed files with 16 additions and 0 deletions
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16
desktop/textarea.c
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@ -2102,9 +2102,25 @@ bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
} else if (mouse & BROWSER_MOUSE_HOLDING_1 &&
ta->drag_info.type == TEXTAREA_DRAG_SELECTION) {
/* Selection track */
int scrx = 0;
int scry = 0;
textarea_get_xy_offset(ta, x, y, &c_off);
c_start = ta->drag_start_char;
c_end = c_off;
/* selection auto-scroll */
if (x < 0)
scrx = x / 4;
if (y < 0)
scry = y / 4;
if (x > ta->vis_width)
scrx = (x - ta->vis_width) / 4;
if (y > ta->vis_height)
scry = (y - ta->vis_height) / 4;
textarea_scroll(ta, scrx, scry);
return textarea_select(ta, c_start, c_end);
}