Patch 7.4.603
Problem: 'foldcolumn' may be set such that it fills the whole window, not
leaving space for text.
Solution: Reduce the foldcolumn width when there is not sufficient room.
(idea by Christian Brabandt)
Files: src/srcreen.c
*** ../vim-7.4.602/src/screen.c 2015-01-20 19:01:32.380444290 +0100
--- src/screen.c 2015-01-27 16:25:47.264690419 +0100
***************
*** 109,114 ****
--- 109,115 ----
#ifdef FEAT_FOLDING
static foldinfo_T win_foldinfo; /* info for 'foldcolumn' */
+ static int compute_foldcolumn __ARGS((win_T *wp, int col));
#endif
/*
***************
*** 1202,1208 ****
lnumb = wp->w_lines[i].wl_lnum;
/* When there is a fold column it might need updating
* in the next line ("J" just above an open fold). */
! if (wp->w_p_fdc > 0)
++lnumb;
}
}
--- 1203,1209 ----
lnumb = wp->w_lines[i].wl_lnum;
/* When there is a fold column it might need updating
* in the next line ("J" just above an open fold). */
! if (compute_foldcolumn(wp, 0) > 0)
++lnumb;
}
}
***************
*** 2238,2250 ****
#else
# define FDC_OFF 0
#endif
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
/* No check for cmdline window: should never be right-left. */
# ifdef FEAT_FOLDING
! n = wp->w_p_fdc;
if (n > 0)
{
--- 2239,2254 ----
#else
# define FDC_OFF 0
#endif
+ #ifdef FEAT_FOLDING
+ int fdc = compute_foldcolumn(wp, 0);
+ #endif
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
/* No check for cmdline window: should never be right-left. */
# ifdef FEAT_FOLDING
! n = fdc;
if (n > 0)
{
***************
*** 2293,2301 ****
}
#endif
#ifdef FEAT_FOLDING
! if (wp->w_p_fdc > 0)
{
! int nn = n + wp->w_p_fdc;
/* draw the fold column at the left */
if (nn > W_WIDTH(wp))
--- 2297,2305 ----
}
#endif
#ifdef FEAT_FOLDING
! if (fdc > 0)
{
! int nn = n + fdc;
/* draw the fold column at the left */
if (nn > W_WIDTH(wp))
***************
*** 2346,2351 ****
--- 2350,2373 ----
#ifdef FEAT_FOLDING
/*
+ * Compute the width of the foldcolumn. Based on 'foldcolumn' and how much
+ * space is available for window "wp", minus "col".
+ */
+ static int
+ compute_foldcolumn(wp, col)
+ win_T *wp;
+ int col;
+ {
+ int fdc = wp->w_p_fdc;
+ int wmw = wp == curwin && p_wmw == 0 ? 1 : p_wmw;
+ int wwidth = W_WIDTH(wp);
+
+ if (fdc > wwidth - (col + wmw))
+ fdc = wwidth - (col + wmw);
+ return fdc;
+ }
+
+ /*
* Display one folded line.
*/
static void
***************
*** 2396,2405 ****
/*
* 2. Add the 'foldcolumn'
*/
! fdc = wp->w_p_fdc;
! if (fdc > W_WIDTH(wp) - col)
! fdc = W_WIDTH(wp) - col;
if (fdc > 0)
{
fill_foldcolumn(buf, wp, TRUE, lnum);
--- 2418,2426 ----
/*
* 2. Add the 'foldcolumn'
+ * Reduce the width when there is not enough space.
*/
! fdc = compute_foldcolumn(wp, col);
if (fdc > 0)
{
fill_foldcolumn(buf, wp, TRUE, lnum);
***************
*** 2787,2809 ****
int level;
int first_level;
int empty;
/* Init to all spaces. */
! copy_spaces(p, (size_t)wp->w_p_fdc);
level = win_foldinfo.fi_level;
if (level > 0)
{
/* If there is only one column put more info in it. */
! empty = (wp->w_p_fdc == 1) ? 0 : 1;
/* If the column is too narrow, we start at the lowest level that
* fits and use numbers to indicated the depth. */
! first_level = level - wp->w_p_fdc - closed + 1 + empty;
if (first_level < 1)
first_level = 1;
! for (i = 0; i + empty < wp->w_p_fdc; ++i)
{
if (win_foldinfo.fi_lnum == lnum
&& first_level + i >= win_foldinfo.fi_low_level)
--- 2808,2831 ----
int level;
int first_level;
int empty;
+ int fdc = compute_foldcolumn(wp, 0);
/* Init to all spaces. */
! copy_spaces(p, (size_t)fdc);
level = win_foldinfo.fi_level;
if (level > 0)
{
/* If there is only one column put more info in it. */
! empty = (fdc == 1) ? 0 : 1;
/* If the column is too narrow, we start at the lowest level that
* fits and use numbers to indicated the depth. */
! first_level = level - fdc - closed + 1 + empty;
if (first_level < 1)
first_level = 1;
! for (i = 0; i + empty < fdc; ++i)
{
if (win_foldinfo.fi_lnum == lnum
&& first_level + i >= win_foldinfo.fi_low_level)
***************
*** 2819,2825 ****
}
}
if (closed)
! p[i >= wp->w_p_fdc ? i - 1 : i] = '+';
}
#endif /* FEAT_FOLDING */
--- 2841,2847 ----
}
}
if (closed)
! p[i >= fdc ? i - 1 : i] = '+';
}
#endif /* FEAT_FOLDING */
***************
*** 3556,3567 ****
#ifdef FEAT_FOLDING
if (draw_state == WL_FOLD - 1 && n_extra == 0)
{
draw_state = WL_FOLD;
! if (wp->w_p_fdc > 0)
{
/* Draw the 'foldcolumn'. */
fill_foldcolumn(extra, wp, FALSE, lnum);
! n_extra = wp->w_p_fdc;
p_extra = extra;
p_extra[n_extra] = NUL;
c_extra = NUL;
--- 3578,3591 ----
#ifdef FEAT_FOLDING
if (draw_state == WL_FOLD - 1 && n_extra == 0)
{
+ int fdc = compute_foldcolumn(wp, 0);
+
draw_state = WL_FOLD;
! if (fdc > 0)
{
/* Draw the 'foldcolumn'. */
fill_foldcolumn(extra, wp, FALSE, lnum);
! n_extra = fdc;
p_extra = extra;
p_extra[n_extra] = NUL;
c_extra = NUL;
*** ../vim-7.4.602/src/version.c 2015-01-27 15:58:37.202395482 +0100
--- src/version.c 2015-01-27 16:14:45.703878550 +0100
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 603,
/**/
--
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