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patch 9.0.0318: clearing screen causes flicker

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Problem:    Clearing screen causes flicker.
Solution:   Do not clear but redraw in more cases.  Add () to "wait_return".
This commit is contained in:
Bram Moolenaar
2022-08-29 15:06:50 +01:00
parent b13d3405ff
commit 13608d851a
14 changed files with 39 additions and 37 deletions
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33
src/drawscreen.c
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@@ -1930,24 +1930,9 @@ win_update(win_T *wp)
}
}
// When starting redraw in the first line, redraw all lines. When
// there is only one window it's probably faster to clear the screen
// first.
// When starting redraw in the first line, redraw all lines.
if (mid_start == 0)
{
mid_end = wp->w_height;
if (ONE_WINDOW && !WIN_IS_POPUP(wp))
{
// Clear the screen when it was not done by win_del_lines() or
// win_ins_lines() above, "screen_cleared" is FALSE or MAYBE
// then.
if (screen_cleared != TRUE)
screenclear();
// The screen was cleared, redraw the tab pages line.
if (redraw_tabline)
draw_tabline();
}
}
// When win_del_lines() or win_ins_lines() caused the screen to be
// cleared (only happens for the first window) or when screenclear()
@@ -3183,7 +3168,7 @@ redraw_later_clear(void)
}
/*
* Mark all windows to be redrawn later.
* Mark all windows to be redrawn later. Except popup windows.
*/
void
redraw_all_later(int type)
@@ -3196,6 +3181,20 @@ redraw_all_later(int type)
set_must_redraw(type);
}
#if 0 // not actually used yet, it probably should
/*
* Mark all windows, including popup windows, to be redrawn.
*/
void
redraw_all_windows_later(int type)
{
redraw_all_later(type);
#ifdef FEAT_PROP_POPUP
popup_redraw_all(); // redraw all popup windows
#endif
}
#endif
/*
* Set "must_redraw" to "type" unless it already has a higher value
* or it is currently not allowed.