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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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22
src/nvim/screen.c
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@@ -300,13 +300,25 @@ void update_screen(int type)
* if the screen was scrolled up when displaying a message, scroll it down
*/
if (msg_scrolled) {
clear_cmdline = TRUE;
if (msg_scrolled > Rows - 5) /* clearing is faster */
clear_cmdline = true;
if (dy_flags & DY_MSGSEP) {
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
int valid = Rows - msg_scrollsize();
if (wp->w_winrow + wp->w_height > valid) {
wp->w_redr_type = NOT_VALID;
wp->w_lines_valid = 0;
}
if (wp->w_winrow + wp->w_height + wp->w_status_height > valid) {
wp->w_redr_status = true;
}
}
} else if (msg_scrolled > Rows - 5) { // clearing is faster
type = CLEAR;
else if (type != CLEAR) {
check_for_delay(FALSE);
if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, NULL) == FAIL)
} else if (type != CLEAR) {
check_for_delay(false);
if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, NULL) == FAIL) {
type = CLEAR;
}
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
if (wp->w_winrow < msg_scrolled) {
if (wp->w_winrow + wp->w_height > msg_scrolled