mirror of
https://github.com/neovim/neovim.git
synced 2025-02-25 18:55:25 -06:00
Scope variables in move.c
This commit is contained in:
Nicolas Cornu
parent
600bb285f6
commit
23acaf8940
259
src/nvim/move.c
259
src/nvim/move.c
@ -54,11 +54,8 @@ typedef struct {
|
||||
*/
|
||||
static void comp_botline(win_T *wp)
|
||||
{
|
||||
int n;
|
||||
linenr_T lnum;
|
||||
int done;
|
||||
linenr_T last;
|
||||
bool folded;
|
||||
|
||||
/*
|
||||
* If w_cline_row is valid, start there.
|
||||
@ -74,18 +71,17 @@ static void comp_botline(win_T *wp)
|
||||
}
|
||||
|
||||
for (; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum) {
|
||||
last = lnum;
|
||||
folded = false;
|
||||
if (hasFoldingWin(wp, lnum, NULL, &last, true, NULL)) {
|
||||
int n;
|
||||
linenr_T last = lnum;
|
||||
bool folded = hasFoldingWin(wp, lnum, NULL, &last, true, NULL);
|
||||
if (folded) {
|
||||
n = 1;
|
||||
folded = true;
|
||||
} else if (lnum == wp->w_topline)
|
||||
} else if (lnum == wp->w_topline) {
|
||||
n = plines_win_nofill(wp, lnum, true) + wp->w_topfill;
|
||||
else
|
||||
} else {
|
||||
n = plines_win(wp, lnum, true);
|
||||
if (
|
||||
lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum
|
||||
) {
|
||||
}
|
||||
if (lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum) {
|
||||
wp->w_cline_row = done;
|
||||
wp->w_cline_height = n;
|
||||
wp->w_cline_folded = folded;
|
||||
@ -134,12 +130,8 @@ void update_topline_redraw(void)
|
||||
*/
|
||||
void update_topline(void)
|
||||
{
|
||||
long line_count;
|
||||
int halfheight;
|
||||
long n;
|
||||
linenr_T old_topline;
|
||||
int old_topfill;
|
||||
linenr_T lnum;
|
||||
bool check_topline = false;
|
||||
bool check_botline = false;
|
||||
long save_so = p_so;
|
||||
@ -198,16 +190,16 @@ void update_topline(void)
|
||||
check_topline = true;
|
||||
|
||||
if (check_topline) {
|
||||
halfheight = curwin->w_height / 2 - 1;
|
||||
int halfheight = curwin->w_height / 2 - 1;
|
||||
if (halfheight < 2)
|
||||
halfheight = 2;
|
||||
|
||||
long n;
|
||||
if (hasAnyFolding(curwin)) {
|
||||
/* Count the number of logical lines between the cursor and
|
||||
* topline + p_so (approximation of how much will be
|
||||
* scrolled). */
|
||||
n = 0;
|
||||
for (lnum = curwin->w_cursor.lnum;
|
||||
for (linenr_T lnum = curwin->w_cursor.lnum;
|
||||
lnum < curwin->w_topline + p_so; ++lnum) {
|
||||
++n;
|
||||
/* stop at end of file or when we know we are far off */
|
||||
@ -221,9 +213,9 @@ void update_topline(void)
|
||||
/* If we weren't very close to begin with, we scroll to put the
|
||||
* cursor in the middle of the window. Otherwise put the cursor
|
||||
* near the top of the window. */
|
||||
if (n >= halfheight)
|
||||
if (n >= halfheight) {
|
||||
scroll_cursor_halfway(false);
|
||||
else {
|
||||
} else {
|
||||
scroll_cursor_top(scrolljump_value(), false);
|
||||
check_botline = true;
|
||||
}
|
||||
@ -257,7 +249,7 @@ void update_topline(void)
|
||||
/* Cursor is (a few lines) above botline, check if there are
|
||||
* 'scrolloff' window lines below the cursor. If not, need to
|
||||
* scroll. */
|
||||
n = curwin->w_empty_rows;
|
||||
int n = curwin->w_empty_rows;
|
||||
loff.lnum = curwin->w_cursor.lnum;
|
||||
/* In a fold go to its last line. */
|
||||
(void)hasFolding(loff.lnum, NULL, &loff.lnum);
|
||||
@ -275,17 +267,18 @@ void update_topline(void)
|
||||
if (n >= p_so)
|
||||
/* sufficient context, no need to scroll */
|
||||
check_botline = false;
|
||||
} else
|
||||
} else {
|
||||
/* sufficient context, no need to scroll */
|
||||
check_botline = false;
|
||||
}
|
||||
}
|
||||
if (check_botline) {
|
||||
long line_count = 0;
|
||||
if (hasAnyFolding(curwin)) {
|
||||
/* Count the number of logical lines between the cursor and
|
||||
* botline - p_so (approximation of how much will be
|
||||
* scrolled). */
|
||||
line_count = 0;
|
||||
for (lnum = curwin->w_cursor.lnum;
|
||||
for (linenr_T lnum = curwin->w_cursor.lnum;
|
||||
lnum >= curwin->w_botline - p_so; --lnum) {
|
||||
++line_count;
|
||||
/* stop at end of file or when we know we are far off */
|
||||
@ -354,15 +347,13 @@ static int scrolljump_value(void)
|
||||
*/
|
||||
static bool check_top_offset(void)
|
||||
{
|
||||
lineoff_T loff;
|
||||
int n;
|
||||
|
||||
if (curwin->w_cursor.lnum < curwin->w_topline + p_so
|
||||
|| hasAnyFolding(curwin)
|
||||
) {
|
||||
lineoff_T loff;
|
||||
loff.lnum = curwin->w_cursor.lnum;
|
||||
loff.fill = 0;
|
||||
n = curwin->w_topfill; /* always have this context */
|
||||
int n = curwin->w_topfill; /* always have this context */
|
||||
/* Count the visible screen lines above the cursor line. */
|
||||
while (n < p_so) {
|
||||
topline_back(&loff);
|
||||
@ -532,20 +523,14 @@ void validate_cursor(void)
|
||||
*/
|
||||
static void curs_rows(win_T *wp)
|
||||
{
|
||||
linenr_T lnum;
|
||||
int i;
|
||||
int all_invalid;
|
||||
bool valid;
|
||||
long fold_count;
|
||||
|
||||
/* Check if wp->w_lines[].wl_size is invalid */
|
||||
all_invalid = (!redrawing()
|
||||
|| wp->w_lines_valid == 0
|
||||
|| wp->w_lines[0].wl_lnum > wp->w_topline);
|
||||
i = 0;
|
||||
int all_invalid = (!redrawing()
|
||||
|| wp->w_lines_valid == 0
|
||||
|| wp->w_lines[0].wl_lnum > wp->w_topline);
|
||||
int i = 0;
|
||||
wp->w_cline_row = 0;
|
||||
for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i) {
|
||||
valid = false;
|
||||
for (linenr_T lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i) {
|
||||
bool valid = false;
|
||||
if (!all_invalid && i < wp->w_lines_valid) {
|
||||
if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid)
|
||||
continue; /* skip changed or deleted lines */
|
||||
@ -557,8 +542,9 @@ static void curs_rows(win_T *wp)
|
||||
|| wp->w_buffer->b_mod_top
|
||||
> wp->w_lines[i].wl_lastlnum + 1)
|
||||
valid = true;
|
||||
} else if (wp->w_lines[i].wl_lnum > lnum)
|
||||
} else if (wp->w_lines[i].wl_lnum > lnum) {
|
||||
--i; /* hold at inserted lines */
|
||||
}
|
||||
}
|
||||
if (valid
|
||||
&& (lnum != wp->w_topline || !wp->w_p_diff)
|
||||
@ -569,17 +555,18 @@ static void curs_rows(win_T *wp)
|
||||
break;
|
||||
wp->w_cline_row += wp->w_lines[i].wl_size;
|
||||
} else {
|
||||
fold_count = foldedCount(wp, lnum, NULL);
|
||||
long fold_count = foldedCount(wp, lnum, NULL);
|
||||
if (fold_count) {
|
||||
lnum += fold_count;
|
||||
if (lnum > wp->w_cursor.lnum)
|
||||
break;
|
||||
++wp->w_cline_row;
|
||||
} else if (lnum == wp->w_topline)
|
||||
} else if (lnum == wp->w_topline) {
|
||||
wp->w_cline_row += plines_win_nofill(wp, lnum++, true)
|
||||
+ wp->w_topfill;
|
||||
else
|
||||
} else {
|
||||
wp->w_cline_row += plines_win(wp, lnum++, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -658,16 +645,12 @@ static void validate_cheight(void)
|
||||
*/
|
||||
void validate_cursor_col(void)
|
||||
{
|
||||
colnr_T off;
|
||||
colnr_T col;
|
||||
int width;
|
||||
|
||||
validate_virtcol();
|
||||
if (!(curwin->w_valid & VALID_WCOL)) {
|
||||
col = curwin->w_virtcol;
|
||||
off = curwin_col_off();
|
||||
colnr_T col = curwin->w_virtcol;
|
||||
colnr_T off = curwin_col_off();
|
||||
col += off;
|
||||
width = curwin->w_width - off + curwin_col_off2();
|
||||
int width = curwin->w_width - off + curwin_col_off2();
|
||||
|
||||
/* long line wrapping, adjust curwin->w_wrow */
|
||||
if (curwin->w_p_wrap
|
||||
@ -725,19 +708,12 @@ int curwin_col_off2(void)
|
||||
* Also updates curwin->w_wrow and curwin->w_cline_row.
|
||||
* Also updates curwin->w_leftcol.
|
||||
*/
|
||||
void
|
||||
curs_columns (
|
||||
void curs_columns(
|
||||
int may_scroll /* when true, may scroll horizontally */
|
||||
)
|
||||
{
|
||||
int diff;
|
||||
int extra; /* offset for first screen line */
|
||||
int off_left, off_right;
|
||||
int n;
|
||||
int p_lines;
|
||||
int width = 0;
|
||||
int textwidth;
|
||||
int new_leftcol;
|
||||
colnr_T startcol;
|
||||
colnr_T endcol;
|
||||
colnr_T prev_skipcol;
|
||||
@ -766,7 +742,7 @@ curs_columns (
|
||||
if (startcol > dollar_vcol)
|
||||
dollar_vcol = -1;
|
||||
|
||||
extra = curwin_col_off();
|
||||
int extra = curwin_col_off();
|
||||
curwin->w_wcol = curwin->w_virtcol + extra;
|
||||
endcol += extra;
|
||||
|
||||
@ -775,7 +751,7 @@ curs_columns (
|
||||
*/
|
||||
curwin->w_wrow = curwin->w_cline_row;
|
||||
|
||||
textwidth = curwin->w_width - extra;
|
||||
int textwidth = curwin->w_width - extra;
|
||||
if (textwidth <= 0) {
|
||||
/* No room for text, put cursor in last char of window. */
|
||||
curwin->w_wcol = curwin->w_width - 1;
|
||||
@ -813,16 +789,15 @@ curs_columns (
|
||||
* extra
|
||||
*/
|
||||
assert(p_siso <= INT_MAX);
|
||||
off_left = startcol - curwin->w_leftcol - (int)p_siso;
|
||||
off_right = endcol - curwin->w_leftcol - curwin->w_width + (int)p_siso + 1;
|
||||
int off_left = startcol - curwin->w_leftcol - (int)p_siso;
|
||||
int off_right =
|
||||
endcol - curwin->w_leftcol - curwin->w_width + (int)p_siso + 1;
|
||||
if (off_left < 0 || off_right > 0) {
|
||||
if (off_left < 0)
|
||||
diff = -off_left;
|
||||
else
|
||||
diff = off_right;
|
||||
int diff = (off_left < 0) ? -off_left: off_right;
|
||||
|
||||
/* When far off or not enough room on either side, put cursor in
|
||||
* middle of window. */
|
||||
int new_leftcol;
|
||||
if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left)
|
||||
new_leftcol = curwin->w_wcol - extra - textwidth / 2;
|
||||
else {
|
||||
@ -858,7 +833,7 @@ curs_columns (
|
||||
|
||||
prev_skipcol = curwin->w_skipcol;
|
||||
|
||||
p_lines = 0;
|
||||
int p_lines = 0;
|
||||
if ((curwin->w_wrow >= curwin->w_height
|
||||
|| ((prev_skipcol > 0
|
||||
|| curwin->w_wrow + p_so >= curwin->w_height)
|
||||
@ -933,12 +908,14 @@ curs_columns (
|
||||
}
|
||||
|
||||
extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width;
|
||||
if (extra > 0)
|
||||
if (extra > 0) {
|
||||
win_ins_lines(curwin, 0, extra, false, false);
|
||||
else if (extra < 0)
|
||||
} else if (extra < 0) {
|
||||
win_del_lines(curwin, 0, -extra, false, false);
|
||||
} else
|
||||
}
|
||||
} else {
|
||||
curwin->w_skipcol = 0;
|
||||
}
|
||||
if (prev_skipcol != curwin->w_skipcol)
|
||||
redraw_later(NOT_VALID);
|
||||
|
||||
@ -961,10 +938,6 @@ scrolldown (
|
||||
)
|
||||
{
|
||||
int done = 0; /* total # of physical lines done */
|
||||
int wrow;
|
||||
bool moved = false;
|
||||
|
||||
linenr_T first;
|
||||
|
||||
/* Make sure w_topline is at the first of a sequence of folded lines. */
|
||||
(void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
|
||||
@ -980,6 +953,7 @@ scrolldown (
|
||||
--curwin->w_topline;
|
||||
curwin->w_topfill = 0;
|
||||
/* A sequence of folded lines only counts for one logical line */
|
||||
linenr_T first;
|
||||
if (hasFolding(curwin->w_topline, &first, NULL)) {
|
||||
++done;
|
||||
if (!byfold)
|
||||
@ -1003,7 +977,7 @@ scrolldown (
|
||||
* Compute the row number of the last row of the cursor line
|
||||
* and move the cursor onto the displayed part of the window.
|
||||
*/
|
||||
wrow = curwin->w_wrow;
|
||||
int wrow = curwin->w_wrow;
|
||||
if (curwin->w_p_wrap
|
||||
&& curwin->w_width != 0
|
||||
) {
|
||||
@ -1012,7 +986,9 @@ scrolldown (
|
||||
wrow += curwin->w_cline_height - 1 -
|
||||
curwin->w_virtcol / curwin->w_width;
|
||||
}
|
||||
bool moved = false;
|
||||
while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1) {
|
||||
linenr_T first;
|
||||
if (hasFolding(curwin->w_cursor.lnum, &first, NULL)) {
|
||||
--wrow;
|
||||
if (first == 1)
|
||||
@ -1041,15 +1017,13 @@ scrollup (
|
||||
int byfold /* true: count a closed fold as one line */
|
||||
)
|
||||
{
|
||||
linenr_T lnum;
|
||||
|
||||
if (
|
||||
(byfold && hasAnyFolding(curwin))
|
||||
||
|
||||
curwin->w_p_diff
|
||||
) {
|
||||
/* count each sequence of folded lines as one logical line */
|
||||
lnum = curwin->w_topline;
|
||||
linenr_T lnum = curwin->w_topline;
|
||||
while (line_count--) {
|
||||
if (curwin->w_topfill > 0)
|
||||
--curwin->w_topfill;
|
||||
@ -1099,10 +1073,8 @@ check_topfill (
|
||||
bool down /* when true scroll down when not enough space */
|
||||
)
|
||||
{
|
||||
int n;
|
||||
|
||||
if (wp->w_topfill > 0) {
|
||||
n = plines_win_nofill(wp, wp->w_topline, true);
|
||||
int n = plines_win_nofill(wp, wp->w_topline, true);
|
||||
if (wp->w_topfill + n > wp->w_height) {
|
||||
if (down && wp->w_topline > 1) {
|
||||
--wp->w_topline;
|
||||
@ -1122,9 +1094,7 @@ check_topfill (
|
||||
*/
|
||||
static void max_topfill(void)
|
||||
{
|
||||
int n;
|
||||
|
||||
n = plines_nofill(curwin->w_topline);
|
||||
int n = plines_nofill(curwin->w_topline);
|
||||
if (n >= curwin->w_height)
|
||||
curwin->w_topfill = 0;
|
||||
else {
|
||||
@ -1140,7 +1110,6 @@ static void max_topfill(void)
|
||||
*/
|
||||
void scrolldown_clamp(void)
|
||||
{
|
||||
int end_row;
|
||||
int can_fill = (curwin->w_topfill
|
||||
< diff_check_fill(curwin, curwin->w_topline));
|
||||
|
||||
@ -1156,7 +1125,7 @@ void scrolldown_clamp(void)
|
||||
* and make sure it doesn't go off the screen. Make sure the cursor
|
||||
* doesn't go past 'scrolloff' lines from the screen end.
|
||||
*/
|
||||
end_row = curwin->w_wrow;
|
||||
int end_row = curwin->w_wrow;
|
||||
if (can_fill)
|
||||
++end_row;
|
||||
else
|
||||
@ -1189,8 +1158,6 @@ void scrolldown_clamp(void)
|
||||
*/
|
||||
void scrollup_clamp(void)
|
||||
{
|
||||
int start_row;
|
||||
|
||||
if (curwin->w_topline == curbuf->b_ml.ml_line_count
|
||||
&& curwin->w_topfill == 0
|
||||
)
|
||||
@ -1203,7 +1170,7 @@ void scrollup_clamp(void)
|
||||
* and make sure it doesn't go off the screen. Make sure the cursor
|
||||
* doesn't go before 'scrolloff' lines from the screen start.
|
||||
*/
|
||||
start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
|
||||
int start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
|
||||
- curwin->w_topfill;
|
||||
if (curwin->w_p_wrap
|
||||
&& curwin->w_width != 0
|
||||
@ -1309,9 +1276,6 @@ static void topline_botline(lineoff_T *lp)
|
||||
void scroll_cursor_top(int min_scroll, int always)
|
||||
{
|
||||
int scrolled = 0;
|
||||
int extra = 0;
|
||||
int used;
|
||||
int i;
|
||||
linenr_T top; /* just above displayed lines */
|
||||
linenr_T bot; /* just below displayed lines */
|
||||
linenr_T old_topline = curwin->w_topline;
|
||||
@ -1331,7 +1295,7 @@ void scroll_cursor_top(int min_scroll, int always)
|
||||
* - at least 'scrolloff' lines above and below the cursor
|
||||
*/
|
||||
validate_cheight();
|
||||
used = curwin->w_cline_height;
|
||||
int used = curwin->w_cline_height;
|
||||
if (curwin->w_cursor.lnum < curwin->w_topline)
|
||||
scrolled = used;
|
||||
|
||||
@ -1345,20 +1309,15 @@ void scroll_cursor_top(int min_scroll, int always)
|
||||
new_topline = top + 1;
|
||||
|
||||
/* count filler lines of the cursor window as context */
|
||||
i = diff_check_fill(curwin, curwin->w_cursor.lnum);
|
||||
used += i;
|
||||
extra += i;
|
||||
int extra = diff_check_fill(curwin, curwin->w_cursor.lnum);
|
||||
used += extra;
|
||||
|
||||
/*
|
||||
* Check if the lines from "top" to "bot" fit in the window. If they do,
|
||||
* set new_topline and advance "top" and "bot" to include more lines.
|
||||
*/
|
||||
while (top > 0) {
|
||||
if (hasFolding(top, &top, NULL))
|
||||
/* count one logical line for a sequence of folded lines */
|
||||
i = 1;
|
||||
else
|
||||
i = plines(top);
|
||||
int i = (hasFolding(top, &top, NULL)) ? 1 : plines(top);
|
||||
used += i;
|
||||
if (extra + i <= off && bot < curbuf->b_ml.ml_line_count) {
|
||||
if (hasFolding(bot, NULL, &bot))
|
||||
@ -1390,9 +1349,9 @@ void scroll_cursor_top(int min_scroll, int always)
|
||||
* This makes sure we get the same position when using "k" and "j"
|
||||
* in a small window.
|
||||
*/
|
||||
if (used > curwin->w_height)
|
||||
if (used > curwin->w_height) {
|
||||
scroll_cursor_halfway(false);
|
||||
else {
|
||||
} else {
|
||||
/*
|
||||
* If "always" is false, only adjust topline to a lower value, higher
|
||||
* value may happen with wrapping lines
|
||||
@ -1451,19 +1410,16 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
|
||||
int used;
|
||||
int scrolled = 0;
|
||||
int extra = 0;
|
||||
int i;
|
||||
linenr_T line_count;
|
||||
linenr_T old_topline = curwin->w_topline;
|
||||
lineoff_T loff;
|
||||
lineoff_T boff;
|
||||
int old_topfill = curwin->w_topfill;
|
||||
int fill_below_window;
|
||||
linenr_T old_botline = curwin->w_botline;
|
||||
int old_valid = curwin->w_valid;
|
||||
int old_empty_rows = curwin->w_empty_rows;
|
||||
linenr_T cln; /* Cursor Line Number */
|
||||
linenr_T old_topline = curwin->w_topline;
|
||||
int old_topfill = curwin->w_topfill;
|
||||
linenr_T old_botline = curwin->w_botline;
|
||||
int old_valid = curwin->w_valid;
|
||||
int old_empty_rows = curwin->w_empty_rows;
|
||||
linenr_T cln = curwin->w_cursor.lnum; /* Cursor Line Number */
|
||||
|
||||
cln = curwin->w_cursor.lnum;
|
||||
if (set_topbot) {
|
||||
used = 0;
|
||||
curwin->w_botline = cln + 1;
|
||||
@ -1574,6 +1530,7 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
|
||||
}
|
||||
}
|
||||
|
||||
linenr_T line_count;
|
||||
/* curwin->w_empty_rows is larger, no need to scroll */
|
||||
if (scrolled <= 0)
|
||||
line_count = 0;
|
||||
@ -1585,6 +1542,7 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
|
||||
line_count = 0;
|
||||
boff.fill = curwin->w_topfill;
|
||||
boff.lnum = curwin->w_topline - 1;
|
||||
int i;
|
||||
for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; ) {
|
||||
botline_forw(&boff);
|
||||
i += boff.height;
|
||||
@ -1623,20 +1581,18 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
|
||||
void scroll_cursor_halfway(int atend)
|
||||
{
|
||||
int above = 0;
|
||||
linenr_T topline;
|
||||
int topfill = 0;
|
||||
int below = 0;
|
||||
int used;
|
||||
lineoff_T loff;
|
||||
lineoff_T boff;
|
||||
linenr_T old_topline = curwin->w_topline;
|
||||
|
||||
loff.lnum = boff.lnum = curwin->w_cursor.lnum;
|
||||
(void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
|
||||
used = plines_nofill(loff.lnum);
|
||||
int used = plines_nofill(loff.lnum);
|
||||
loff.fill = 0;
|
||||
boff.fill = 0;
|
||||
topline = loff.lnum;
|
||||
linenr_T topline = loff.lnum;
|
||||
while (topline > 1) {
|
||||
if (below <= above) { /* add a line below the cursor first */
|
||||
if (boff.lnum < curbuf->b_ml.ml_line_count) {
|
||||
@ -1683,28 +1639,20 @@ void scroll_cursor_halfway(int atend)
|
||||
*/
|
||||
void cursor_correct(void)
|
||||
{
|
||||
int above = 0; /* screen lines above topline */
|
||||
linenr_T topline;
|
||||
int below = 0; /* screen lines below botline */
|
||||
linenr_T botline;
|
||||
int above_wanted, below_wanted;
|
||||
linenr_T cln; /* Cursor Line Number */
|
||||
int max_off;
|
||||
|
||||
/*
|
||||
* How many lines we would like to have above/below the cursor depends on
|
||||
* whether the first/last line of the file is on screen.
|
||||
*/
|
||||
assert(p_so <= INT_MAX);
|
||||
above_wanted = (int)p_so;
|
||||
below_wanted = (int)p_so;
|
||||
int above_wanted = (int)p_so;
|
||||
int below_wanted = (int)p_so;
|
||||
if (mouse_dragging > 0) {
|
||||
above_wanted = mouse_dragging - 1;
|
||||
below_wanted = mouse_dragging - 1;
|
||||
}
|
||||
if (curwin->w_topline == 1) {
|
||||
above_wanted = 0;
|
||||
max_off = curwin->w_height / 2;
|
||||
int max_off = curwin->w_height / 2;
|
||||
if (below_wanted > max_off)
|
||||
below_wanted = max_off;
|
||||
}
|
||||
@ -1713,7 +1661,7 @@ void cursor_correct(void)
|
||||
&& mouse_dragging == 0
|
||||
) {
|
||||
below_wanted = 0;
|
||||
max_off = (curwin->w_height - 1) / 2;
|
||||
int max_off = (curwin->w_height - 1) / 2;
|
||||
if (above_wanted > max_off)
|
||||
above_wanted = max_off;
|
||||
}
|
||||
@ -1722,7 +1670,7 @@ void cursor_correct(void)
|
||||
* If there are sufficient file-lines above and below the cursor, we can
|
||||
* return now.
|
||||
*/
|
||||
cln = curwin->w_cursor.lnum;
|
||||
linenr_T cln = curwin->w_cursor.lnum; /* Cursor Line Number */
|
||||
if (cln >= curwin->w_topline + above_wanted
|
||||
&& cln < curwin->w_botline - below_wanted
|
||||
&& !hasAnyFolding(curwin)
|
||||
@ -1735,11 +1683,11 @@ void cursor_correct(void)
|
||||
* - the desired context lines are found
|
||||
* - the lines from the top is past the lines from the bottom
|
||||
*/
|
||||
topline = curwin->w_topline;
|
||||
botline = curwin->w_botline - 1;
|
||||
linenr_T topline = curwin->w_topline;
|
||||
linenr_T botline = curwin->w_botline - 1;
|
||||
/* count filler lines as context */
|
||||
above = curwin->w_topfill;
|
||||
below = curwin->w_filler_rows;
|
||||
int above = curwin->w_topfill; /* screen lines above topline */
|
||||
int below = curwin->w_filler_rows; /* screen lines below botline */
|
||||
while ((above < above_wanted || below < below_wanted) && topline < botline) {
|
||||
if (below < below_wanted && (below <= above || above >= above_wanted)) {
|
||||
if (hasFolding(botline, &botline, NULL))
|
||||
@ -1973,46 +1921,44 @@ int onepage(int dir, long count)
|
||||
*/
|
||||
static void get_scroll_overlap(lineoff_T *lp, int dir)
|
||||
{
|
||||
int h1, h2, h3, h4;
|
||||
int min_height = curwin->w_height - 2;
|
||||
lineoff_T loff0, loff1, loff2;
|
||||
|
||||
if (lp->fill > 0)
|
||||
lp->height = 1;
|
||||
else
|
||||
lp->height = plines_nofill(lp->lnum);
|
||||
h1 = lp->height;
|
||||
int h1 = lp->height;
|
||||
if (h1 > min_height)
|
||||
return; /* no overlap */
|
||||
|
||||
loff0 = *lp;
|
||||
lineoff_T loff0 = *lp;
|
||||
if (dir > 0)
|
||||
botline_forw(lp);
|
||||
else
|
||||
topline_back(lp);
|
||||
h2 = lp->height;
|
||||
int h2 = lp->height;
|
||||
if (h2 == MAXCOL || h2 + h1 > min_height) {
|
||||
*lp = loff0; /* no overlap */
|
||||
return;
|
||||
}
|
||||
|
||||
loff1 = *lp;
|
||||
lineoff_T loff1 = *lp;
|
||||
if (dir > 0)
|
||||
botline_forw(lp);
|
||||
else
|
||||
topline_back(lp);
|
||||
h3 = lp->height;
|
||||
int h3 = lp->height;
|
||||
if (h3 == MAXCOL || h3 + h2 > min_height) {
|
||||
*lp = loff0; /* no overlap */
|
||||
return;
|
||||
}
|
||||
|
||||
loff2 = *lp;
|
||||
lineoff_T loff2 = *lp;
|
||||
if (dir > 0)
|
||||
botline_forw(lp);
|
||||
else
|
||||
topline_back(lp);
|
||||
h4 = lp->height;
|
||||
int h4 = lp->height;
|
||||
if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height)
|
||||
*lp = loff1; /* 1 line overlap */
|
||||
else
|
||||
@ -2028,7 +1974,6 @@ void halfpage(bool flag, linenr_T Prenum)
|
||||
{
|
||||
long scrolled = 0;
|
||||
int i;
|
||||
int room;
|
||||
|
||||
if (Prenum)
|
||||
curwin->w_p_scr = (Prenum > curwin->w_height) ?
|
||||
@ -2038,8 +1983,7 @@ void halfpage(bool flag, linenr_T Prenum)
|
||||
: curwin->w_height;
|
||||
|
||||
validate_botline();
|
||||
room = curwin->w_empty_rows;
|
||||
room += curwin->w_filler_rows;
|
||||
int room = curwin->w_empty_rows + curwin->w_filler_rows;
|
||||
if (flag) {
|
||||
/*
|
||||
* scroll the text up
|
||||
@ -2186,14 +2130,13 @@ void halfpage(bool flag, linenr_T Prenum)
|
||||
|
||||
void do_check_cursorbind(void)
|
||||
{
|
||||
linenr_T line = curwin->w_cursor.lnum;
|
||||
colnr_T col = curwin->w_cursor.col;
|
||||
colnr_T coladd = curwin->w_cursor.coladd;
|
||||
linenr_T line = curwin->w_cursor.lnum;
|
||||
colnr_T col = curwin->w_cursor.col;
|
||||
colnr_T coladd = curwin->w_cursor.coladd;
|
||||
colnr_T curswant = curwin->w_curswant;
|
||||
int set_curswant = curwin->w_set_curswant;
|
||||
win_T *old_curwin = curwin;
|
||||
buf_T *old_curbuf = curbuf;
|
||||
int restart_edit_save;
|
||||
win_T *old_curwin = curwin;
|
||||
buf_T *old_curbuf = curbuf;
|
||||
int old_VIsual_select = VIsual_select;
|
||||
int old_VIsual_active = VIsual_active;
|
||||
|
||||
@ -2220,10 +2163,12 @@ void do_check_cursorbind(void)
|
||||
|
||||
/* Make sure the cursor is in a valid position. Temporarily set
|
||||
* "restart_edit" to allow the cursor to be beyond the EOL. */
|
||||
restart_edit_save = restart_edit;
|
||||
restart_edit = true;
|
||||
check_cursor();
|
||||
restart_edit = restart_edit_save;
|
||||
{
|
||||
int restart_edit_save = restart_edit;
|
||||
restart_edit = true;
|
||||
check_cursor();
|
||||
restart_edit = restart_edit_save;
|
||||
}
|
||||
/* Correct cursor for multi-byte character. */
|
||||
if (has_mbyte)
|
||||
mb_adjust_cursor();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user