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fix some buggy behaviour with scrolling

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This commit is contained in:
Jfreegman 2014-06-13 15:37:04 -04:00
parent b36680d767
commit 65ad64bf42
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GPG Key ID: 3627F3144076AE63
1 changed files with 11 additions and 9 deletions
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20
src/line_info.c
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@ -52,19 +52,21 @@ void line_info_init(struct history *hst)
} }
/* resets line_start */ /* resets line_start */
static void line_info_reset_start(struct history *hst) static void line_info_reset_start(ToxWindow *self, struct history *hst)
{ {
int y2, x2;
getmaxyx(self->window, y2, x2);
struct line_info *line = hst->line_end; struct line_info *line = hst->line_end;
uint32_t start_id = hst->start_id; uint16_t lncnt = 0;
int offst = self->is_groupchat ? SIDEBAR_WIDTH : 0;
while (line) {
if (line->id == start_id) {
hst->line_start = line->next;
break;
}
while (line->prev && lncnt < (y2 - CHATBOX_HEIGHT - 3)) {
line = line->prev; line = line->prev;
lncnt += (1 + line->len / (x2 - offst));
} }
hst->line_start = line;
} }
void line_info_cleanup(struct history *hst) void line_info_cleanup(struct history *hst)
@ -418,7 +420,7 @@ bool line_info_onKey(ToxWindow *self, wint_t key)
break; break;
case KEY_END: case KEY_END:
line_info_reset_start(hst); line_info_reset_start(self, hst);
break; break;
default: default: