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patch 8.0.1797: terminal window is redrawn too often

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Problem:    Terminal window is redrawn too often and scrolling is repeated.
Solution:   Don't scroll immediately but only when redrawing.  Avoid redrawing
            the whole terminal window on every change.
This commit is contained in:
Bram Moolenaar
2018-05-06 16:40:16 +02:00
parent 231a2db1b3
commit 6eddadff13
4 changed files with 70 additions and 38 deletions
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14
src/screen.c
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@@ -567,8 +567,12 @@ update_screen(int type_arg)
must_redraw = 0;
}
/* Need to update w_lines[]. */
if (curwin->w_lines_valid == 0 && type < NOT_VALID)
/* May need to update w_lines[]. */
if (curwin->w_lines_valid == 0 && type < NOT_VALID
#ifdef FEAT_TERMINAL
&& !term_do_update_window(curwin)
#endif
)
type = NOT_VALID;
/* Postpone the redrawing when it's not needed and when being called
@@ -1172,10 +1176,10 @@ win_update(win_T *wp)
}
#ifdef FEAT_TERMINAL
/* If this window contains a terminal, redraw works completely differently.
*/
if (term_update_window(wp) == OK)
// If this window contains a terminal, redraw works completely differently.
if (term_do_update_window(wp))
{
term_update_window(wp);
# ifdef FEAT_MENU
/* Draw the window toolbar, if there is one. */
if (winbar_height(wp) > 0)