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updated for version 7.3.759

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Problem:    MS-Windows: Updating the tabline is slow when there are many tabs.
Solution:   Disable redrawing while performing the update. (Arseny Kapoulkine)
This commit is contained in:
Bram Moolenaar 2012-12-12 17:12:25 +01:00
parent cfde76c74d
commit 4b166d0a6d
2 changed files with 10 additions and 3 deletions
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11
src/gui_w48.c
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@ -2452,7 +2452,6 @@ gui_mch_update_tabline(void)
TCITEM tie;
int nr = 0;
int curtabidx = 0;
RECT rc;
#ifdef FEAT_MBYTE
static int use_unicode = FALSE;
int uu;
@ -2479,13 +2478,16 @@ gui_mch_update_tabline(void)
tie.mask = TCIF_TEXT;
tie.iImage = -1;
/* Disable redraw for tab updates to eliminate O(N^2) draws. */
SendMessage(s_tabhwnd, WM_SETREDRAW, (WPARAM)FALSE, 0);
/* Add a label for each tab page. They all contain the same text area. */
for (tp = first_tabpage; tp != NULL; tp = tp->tp_next, ++nr)
{
if (tp == curtab)
curtabidx = nr;
if (!TabCtrl_GetItemRect(s_tabhwnd, nr, &rc))
if (nr >= TabCtrl_GetItemCount(s_tabhwnd))
{
/* Add the tab */
tie.pszText = "-Empty-";
@ -2519,11 +2521,14 @@ gui_mch_update_tabline(void)
}
/* Remove any old labels. */
while (TabCtrl_GetItemRect(s_tabhwnd, nr, &rc))
while (nr < TabCtrl_GetItemCount(s_tabhwnd))
TabCtrl_DeleteItem(s_tabhwnd, nr);
if (TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
TabCtrl_SetCurSel(s_tabhwnd, curtabidx);
/* Re-enable redraw. This should trigger a repaint. */
SendMessage(s_tabhwnd, WM_SETREDRAW, (WPARAM)TRUE, 0);
}
/*

2
src/version.c
View File

@ -725,6 +725,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
759,
/**/
758,
/**/