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patch 7.4.2199

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Problem:    In the GUI the cursor is hidden when redrawing any window,
            causing flicker.
Solution:   Only undraw the cursor when updating the window it's in.
This commit is contained in:
Bram Moolenaar
2016-08-12 14:08:25 +02:00
parent 0e5d3a2940
commit 107abd2ca5
5 changed files with 18 additions and 12 deletions
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19
src/screen.c
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@@ -498,6 +498,7 @@ update_screen(int type)
int did_one;
#endif
#ifdef FEAT_GUI
int did_undraw = FALSE;
int gui_cursor_col;
int gui_cursor_row;
#endif
@@ -697,11 +698,12 @@ update_screen(int type)
/* Remove the cursor before starting to do anything, because
* scrolling may make it difficult to redraw the text under
* it. */
if (gui.in_use)
if (gui.in_use && wp == curwin)
{
gui_cursor_col = gui.cursor_col;
gui_cursor_row = gui.cursor_row;
gui_undraw_cursor();
did_undraw = TRUE;
}
#endif
}
@@ -757,7 +759,7 @@ update_screen(int type)
if (gui.in_use)
{
out_flush(); /* required before updating the cursor */
if (did_one && !gui_mch_is_blink_off())
if (did_undraw && !gui_mch_is_blink_off())
{
/* Put the GUI position where the cursor was, gui_update_cursor()
* uses that. */
@@ -9679,7 +9681,7 @@ screen_ins_lines(
#ifdef FEAT_GUI
/* Don't update the GUI cursor here, ScreenLines[] is invalid until the
* scrolling is actually carried out. */
gui_dont_update_cursor();
gui_dont_update_cursor(row + off <= gui.cursor_row);
#endif
if (*T_CCS != NUL) /* cursor relative to region */
@@ -9781,10 +9783,10 @@ screen_ins_lines(
}
/*
* delete lines on the screen and update ScreenLines[]
* 'end' is the line after the scrolled part. Normally it is Rows.
* When scrolling region used 'off' is the offset from the top for the region.
* 'row' and 'end' are relative to the start of the region.
* Delete lines on the screen and update ScreenLines[].
* "end" is the line after the scrolled part. Normally it is Rows.
* When scrolling region used "off" is the offset from the top for the region.
* "row" and "end" are relative to the start of the region.
*
* Return OK for success, FAIL if the lines are not deleted.
*/
@@ -9900,7 +9902,8 @@ screen_del_lines(
#ifdef FEAT_GUI
/* Don't update the GUI cursor here, ScreenLines[] is invalid until the
* scrolling is actually carried out. */
gui_dont_update_cursor();
gui_dont_update_cursor(gui.cursor_row >= row + off
&& gui.cursor_row < end + off);
#endif
if (*T_CCS != NUL) /* cursor relative to region */