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msg: do not scroll entire screen (#8088)

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This commit is contained in:
Björn Linse
2018-03-31 11:12:27 +02:00
committed by Justin M. Keyes
parent 362346f563
commit 98e7112390
27 changed files with 247 additions and 86 deletions
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20
src/nvim/message.c
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@@ -1875,13 +1875,29 @@ bool message_filtered(char_u *msg)
return cmdmod.filter_force ? match : !match;
}
/// including horizontal separator
int msg_scrollsize(void)
{
return msg_scrolled + p_ch + 1;
}
/*
* Scroll the screen up one line for displaying the next message line.
*/
static void msg_scroll_up(void)
{
/* scrolling up always works */
screen_del_lines(0, 0, 1, (int)Rows, NULL);
if (dy_flags & DY_MSGSEP) {
if (msg_scrolled == 0) {
screen_fill(Rows-p_ch-1, Rows-p_ch, 0, (int)Columns,
fill_msgsep, fill_msgsep, hl_attr(HLF_MSGSEP));
}
int nscroll = MIN(msg_scrollsize()+1, Rows);
ui_call_set_scroll_region(Rows-nscroll, Rows-1, 0, Columns-1);
screen_del_lines(Rows-nscroll, 0, 1, nscroll, NULL);
ui_reset_scroll_region();
} else {
screen_del_lines(0, 0, 1, (int)Rows, NULL);
}
}
/*