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Make autoscroll start at inside edge of border or scrollbar.

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This commit is contained in:
Michael Drake 2013-03-06 21:31:20 +00:00
parent c1628435f2
commit 490de208d0
1 changed files with 15 additions and 9 deletions
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24
desktop/textarea.c
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@ -2375,22 +2375,28 @@ bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
/* Selection track */
int scrx = 0;
int scry = 0;
int w, h;
bool need_redraw;
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;
else if (x > ta->vis_width)
scrx = (x - ta->vis_width) / 4;
w = ta->vis_width - ta->border_width -
((ta->bar_y == NULL) ? 0 : SCROLLBAR_WIDTH);
h = ta->vis_height - ta->border_width -
((ta->bar_x == NULL) ? 0 : SCROLLBAR_WIDTH);
if (y < 0)
scry = y / 4;
else if (y > ta->vis_height)
scry = (y - ta->vis_height) / 4;
/* selection auto-scroll */
if (x < ta->border_width)
scrx = (x - ta->border_width) / 4;
else if (x > w)
scrx = (x - w) / 4;
if (y < ta->border_width)
scry = (y - ta->border_width) / 4;
else if (y > h)
scry = (y - h) / 4;
need_redraw = textarea_scroll(ta, scrx, scry);