diff options
Diffstat (limited to 'src/nvim/move.c')
-rw-r--r-- | src/nvim/move.c | 238 |
1 files changed, 133 insertions, 105 deletions
diff --git a/src/nvim/move.c b/src/nvim/move.c index 3a29851ee6..b8225cc64c 100644 --- a/src/nvim/move.c +++ b/src/nvim/move.c @@ -83,8 +83,9 @@ static void comp_botline(win_T *wp) redraw_for_cursorline(wp); wp->w_valid |= (VALID_CROW|VALID_CHEIGHT); } - if (done + n > wp->w_height) + if (done + n > wp->w_grid.Rows) { break; + } done += n; lnum = last; } @@ -149,9 +150,12 @@ void update_topline(void) bool check_botline = false; long save_so = p_so; + // need to have w_grid.Rows/Columns updated + win_grid_alloc(curwin); + // If there is no valid screen and when the window height is zero just use // the cursor line. - if (!screen_valid(true) || curwin->w_height == 0) { + if (!screen_valid(true) || curwin->w_grid.Rows == 0) { curwin->w_topline = curwin->w_cursor.lnum; curwin->w_botline = curwin->w_topline; curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; @@ -200,9 +204,10 @@ void update_topline(void) check_topline = true; if (check_topline) { - int halfheight = curwin->w_height / 2 - 1; - if (halfheight < 2) + int halfheight = curwin->w_grid.Rows / 2 - 1; + if (halfheight < 2) { halfheight = 2; + } long n; if (hasAnyFolding(curwin)) { /* Count the number of logical lines between the cursor and @@ -289,20 +294,22 @@ void update_topline(void) * botline - p_so (approximation of how much will be * scrolled). */ 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 */ - if (lnum <= 0 || line_count > curwin->w_height + 1) + lnum >= curwin->w_botline - p_so; lnum--) { + line_count++; + // stop at end of file or when we know we are far off + if (lnum <= 0 || line_count > curwin->w_grid.Rows + 1) { break; + } (void)hasFolding(lnum, &lnum, NULL); } } else line_count = curwin->w_cursor.lnum - curwin->w_botline + 1 + p_so; - if (line_count <= curwin->w_height + 1) + if (line_count <= curwin->w_grid.Rows + 1) { scroll_cursor_bot(scrolljump_value(), false); - else + } else { scroll_cursor_halfway(false); + } } } } @@ -346,7 +353,7 @@ void update_topline_win(win_T* win) */ static int scrolljump_value(void) { - long result = p_sj >= 0 ? p_sj : (curwin->w_height * -p_sj) / 100; + long result = p_sj >= 0 ? p_sj : (curwin->w_grid.Rows * -p_sj) / 100; assert(result <= INT_MAX); return (int)result; } @@ -522,6 +529,7 @@ int cursor_valid(void) */ void validate_cursor(void) { + win_grid_alloc(curwin); // we need to have w_grid.Rows/Columns updated check_cursor_moved(curwin); if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW)) curs_columns(true); @@ -660,18 +668,19 @@ void validate_cursor_col(void) colnr_T col = curwin->w_virtcol; colnr_T off = curwin_col_off(); col += off; - int width = curwin->w_width - off + curwin_col_off2(); - - /* long line wrapping, adjust curwin->w_wrow */ - if (curwin->w_p_wrap - && col >= (colnr_T)curwin->w_width - && width > 0) - /* use same formula as what is used in curs_columns() */ - col -= ((col - curwin->w_width) / width + 1) * width; - if (col > (int)curwin->w_leftcol) + int width = curwin->w_grid.Columns - off + curwin_col_off2(); + + // long line wrapping, adjust curwin->w_wrow + if (curwin->w_p_wrap && col >= (colnr_T)curwin->w_grid.Columns + && width > 0) { + // use same formula as what is used in curs_columns() + col -= ((col - curwin->w_grid.Columns) / width + 1) * width; + } + if (col > (int)curwin->w_leftcol) { col -= curwin->w_leftcol; - else + } else { col = 0; + } curwin->w_wcol = col; curwin->w_valid |= VALID_WCOL; @@ -760,20 +769,20 @@ void curs_columns( */ curwin->w_wrow = curwin->w_cline_row; - int textwidth = curwin->w_width - extra; + int textwidth = curwin->w_grid.Columns - extra; if (textwidth <= 0) { - /* No room for text, put cursor in last char of window. */ - curwin->w_wcol = curwin->w_width - 1; - curwin->w_wrow = curwin->w_height - 1; + // No room for text, put cursor in last char of window. + curwin->w_wcol = curwin->w_grid.Columns - 1; + curwin->w_wrow = curwin->w_grid.Rows - 1; } else if (curwin->w_p_wrap - && curwin->w_width != 0 + && curwin->w_grid.Columns != 0 ) { width = textwidth + curwin_col_off2(); - /* long line wrapping, adjust curwin->w_wrow */ - if (curwin->w_wcol >= curwin->w_width) { - /* this same formula is used in validate_cursor_col() */ - n = (curwin->w_wcol - curwin->w_width) / width + 1; + // long line wrapping, adjust curwin->w_wrow + if (curwin->w_wcol >= curwin->w_grid.Columns) { + // this same formula is used in validate_cursor_col() + n = (curwin->w_wcol - curwin->w_grid.Columns) / width + 1; curwin->w_wcol -= n * width; curwin->w_wrow += n; @@ -800,7 +809,7 @@ void curs_columns( assert(p_siso <= INT_MAX); int off_left = startcol - curwin->w_leftcol - (int)p_siso; int off_right = - endcol - curwin->w_leftcol - curwin->w_width + (int)p_siso + 1; + endcol - curwin->w_leftcol - curwin->w_grid.Columns + (int)p_siso + 1; if (off_left < 0 || off_right > 0) { int diff = (off_left < 0) ? -off_left: off_right; @@ -843,17 +852,16 @@ void curs_columns( prev_skipcol = curwin->w_skipcol; int p_lines = 0; - if ((curwin->w_wrow >= curwin->w_height + if ((curwin->w_wrow >= curwin->w_grid.Rows || ((prev_skipcol > 0 - || curwin->w_wrow + p_so >= curwin->w_height) + || curwin->w_wrow + p_so >= curwin->w_grid.Rows) && (p_lines = - plines_win_nofill - (curwin, curwin->w_cursor.lnum, false)) - - 1 >= curwin->w_height)) - && curwin->w_height != 0 + plines_win_nofill(curwin, curwin->w_cursor.lnum, false)) - 1 + >= curwin->w_grid.Rows)) + && curwin->w_grid.Rows != 0 && curwin->w_cursor.lnum == curwin->w_topline && width > 0 - && curwin->w_width != 0 + && curwin->w_grid.Columns != 0 ) { /* Cursor past end of screen. Happens with a single line that does * not fit on screen. Find a skipcol to show the text around the @@ -875,19 +883,22 @@ void curs_columns( } else n = p_lines; - if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width) + if ((colnr_T)n >= curwin->w_grid.Rows + curwin->w_skipcol / width) { extra += 2; + } if (extra == 3 || p_lines < p_so * 2) { - /* not enough room for 'scrolloff', put cursor in the middle */ + // not enough room for 'scrolloff', put cursor in the middle n = curwin->w_virtcol / width; - if (n > curwin->w_height / 2) - n -= curwin->w_height / 2; - else + if (n > curwin->w_grid.Rows / 2) { + n -= curwin->w_grid.Rows / 2; + } else { n = 0; - /* don't skip more than necessary */ - if (n > p_lines - curwin->w_height + 1) - n = p_lines - curwin->w_height + 1; + } + // don't skip more than necessary + if (n > p_lines - curwin->w_grid.Rows + 1) { + n = p_lines - curwin->w_grid.Rows + 1; + } curwin->w_skipcol = n * width; } else if (extra == 1) { /* less then 'scrolloff' lines above, decrease skipcol */ @@ -900,18 +911,20 @@ void curs_columns( curwin->w_skipcol -= extra * width; } } else if (extra == 2) { - /* less then 'scrolloff' lines below, increase skipcol */ - endcol = (n - curwin->w_height + 1) * width; - while (endcol > curwin->w_virtcol) + // less then 'scrolloff' lines below, increase skipcol + endcol = (n - curwin->w_grid.Rows + 1) * width; + while (endcol > curwin->w_virtcol) { endcol -= width; - if (endcol > curwin->w_skipcol) + } + if (endcol > curwin->w_skipcol) { curwin->w_skipcol = endcol; + } } curwin->w_wrow -= curwin->w_skipcol / width; - if (curwin->w_wrow >= curwin->w_height) { - /* small window, make sure cursor is in it */ - extra = curwin->w_wrow - curwin->w_height + 1; + if (curwin->w_wrow >= curwin->w_grid.Rows) { + // small window, make sure cursor is in it + extra = curwin->w_wrow - curwin->w_grid.Rows + 1; curwin->w_skipcol += extra * width; curwin->w_wrow -= extra; } @@ -953,9 +966,9 @@ scrolldown ( validate_cursor(); /* w_wrow needs to be valid */ while (line_count-- > 0) { if (curwin->w_topfill < diff_check(curwin, curwin->w_topline) - && curwin->w_topfill < curwin->w_height - 1) { - ++curwin->w_topfill; - ++done; + && curwin->w_topfill < curwin->w_grid.Rows - 1) { + curwin->w_topfill++; + done++; } else { if (curwin->w_topline == 1) break; @@ -988,15 +1001,15 @@ scrolldown ( */ int wrow = curwin->w_wrow; if (curwin->w_p_wrap - && curwin->w_width != 0 + && curwin->w_grid.Columns != 0 ) { validate_virtcol(); validate_cheight(); wrow += curwin->w_cline_height - 1 - - curwin->w_virtcol / curwin->w_width; + curwin->w_virtcol / curwin->w_grid.Columns; } bool moved = false; - while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1) { + while (wrow >= curwin->w_grid.Rows && curwin->w_cursor.lnum > 1) { linenr_T first; if (hasFolding(curwin->w_cursor.lnum, &first, NULL)) { --wrow; @@ -1081,14 +1094,15 @@ check_topfill ( { if (wp->w_topfill > 0) { int n = plines_win_nofill(wp, wp->w_topline, true); - if (wp->w_topfill + n > wp->w_height) { + if (wp->w_topfill + n > wp->w_grid.Rows) { if (down && wp->w_topline > 1) { --wp->w_topline; wp->w_topfill = 0; } else { - wp->w_topfill = wp->w_height - n; - if (wp->w_topfill < 0) + wp->w_topfill = wp->w_grid.Rows - n; + if (wp->w_topfill < 0) { wp->w_topfill = 0; + } } } } @@ -1101,12 +1115,13 @@ check_topfill ( static void max_topfill(void) { int n = plines_nofill(curwin->w_topline); - if (n >= curwin->w_height) + if (n >= curwin->w_grid.Rows) { curwin->w_topfill = 0; - else { + } else { curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); - if (curwin->w_topfill + n > curwin->w_height) - curwin->w_topfill = curwin->w_height - n; + if (curwin->w_topfill + n > curwin->w_grid.Rows) { + curwin->w_topfill = curwin->w_grid.Rows - n; + } } } @@ -1137,14 +1152,14 @@ void scrolldown_clamp(void) else end_row += plines_nofill(curwin->w_topline - 1); if (curwin->w_p_wrap - && curwin->w_width != 0 + && curwin->w_grid.Columns != 0 ) { validate_cheight(); validate_virtcol(); end_row += curwin->w_cline_height - 1 - - curwin->w_virtcol / curwin->w_width; + curwin->w_virtcol / curwin->w_grid.Columns; } - if (end_row < curwin->w_height - p_so) { + if (end_row < curwin->w_grid.Rows - p_so) { if (can_fill) { ++curwin->w_topfill; check_topfill(curwin, true); @@ -1179,10 +1194,10 @@ void scrollup_clamp(void) int start_row = curwin->w_wrow - plines_nofill(curwin->w_topline) - curwin->w_topfill; if (curwin->w_p_wrap - && curwin->w_width != 0 + && curwin->w_grid.Columns != 0 ) { validate_virtcol(); - start_row -= curwin->w_virtcol / curwin->w_width; + start_row -= curwin->w_virtcol / curwin->w_grid.Columns; } if (start_row >= p_so) { if (curwin->w_topfill > 0) @@ -1336,10 +1351,12 @@ void scroll_cursor_top(int min_scroll, int always) else used += plines(bot); } - if (used > curwin->w_height) + if (used > curwin->w_grid.Rows) { break; - if (top < curwin->w_topline) + } + if (top < curwin->w_topline) { scrolled += i; + } /* * If scrolling is needed, scroll at least 'sj' lines. @@ -1359,7 +1376,7 @@ 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_grid.Rows) { scroll_cursor_halfway(false); } else { /* @@ -1393,10 +1410,10 @@ void scroll_cursor_top(int min_scroll, int always) void set_empty_rows(win_T *wp, int used) { wp->w_filler_rows = 0; - if (used == 0) - wp->w_empty_rows = 0; /* single line that doesn't fit */ - else { - wp->w_empty_rows = wp->w_height - used; + if (used == 0) { + wp->w_empty_rows = 0; // single line that doesn't fit + } else { + wp->w_empty_rows = wp->w_grid.Rows - used; if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count) { wp->w_filler_rows = diff_check_fill(wp, wp->w_botline); if (wp->w_empty_rows > wp->w_filler_rows) @@ -1439,8 +1456,9 @@ void scroll_cursor_bot(int min_scroll, int set_topbot) curwin->w_topline = loff.lnum) { loff.lnum = curwin->w_topline; topline_back(&loff); - if (loff.height == MAXCOL || used + loff.height > curwin->w_height) + if (loff.height == MAXCOL || used + loff.height > curwin->w_grid.Rows) { break; + } used += loff.height; curwin->w_topfill = loff.fill; } @@ -1497,12 +1515,14 @@ void scroll_cursor_bot(int min_scroll, int set_topbot) /* Add one line above */ topline_back(&loff); - if (loff.height == MAXCOL) + if (loff.height == MAXCOL) { used = MAXCOL; - else + } else { used += loff.height; - if (used > curwin->w_height) + } + if (used > curwin->w_grid.Rows) { break; + } if (loff.lnum >= curwin->w_botline && (loff.lnum > curwin->w_botline || loff.fill <= fill_below_window) @@ -1519,8 +1539,9 @@ void scroll_cursor_bot(int min_scroll, int set_topbot) /* Add one line below */ botline_forw(&boff); used += boff.height; - if (used > curwin->w_height) + if (used > curwin->w_grid.Rows) { break; + } if (extra < ( mouse_dragging > 0 ? mouse_dragging - 1 : p_so) || scrolled < min_scroll) { @@ -1541,14 +1562,14 @@ 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) + // curwin->w_empty_rows is larger, no need to scroll + if (scrolled <= 0) { line_count = 0; - /* more than a screenfull, don't scroll but redraw */ - else if (used > curwin->w_height) + // more than a screenfull, don't scroll but redraw + } else if (used > curwin->w_grid.Rows) { line_count = used; - /* scroll minimal number of lines */ - else { + // scroll minimal number of lines + } else { line_count = 0; boff.fill = curwin->w_topfill; boff.lnum = curwin->w_topline - 1; @@ -1566,10 +1587,11 @@ void scroll_cursor_bot(int min_scroll, int set_topbot) * Scroll up if the cursor is off the bottom of the screen a bit. * Otherwise put it at 1/2 of the screen. */ - if (line_count >= curwin->w_height && line_count > min_scroll) + if (line_count >= curwin->w_grid.Rows && line_count > min_scroll) { scroll_cursor_halfway(false); - else + } else { scrollup(line_count, true); + } /* * If topline didn't change we need to restore w_botline and w_empty_rows @@ -1608,8 +1630,9 @@ void scroll_cursor_halfway(int atend) if (boff.lnum < curbuf->b_ml.ml_line_count) { botline_forw(&boff); used += boff.height; - if (used > curwin->w_height) + if (used > curwin->w_grid.Rows) { break; + } below += boff.height; } else { ++below; /* count a "~" line */ @@ -1624,8 +1647,9 @@ void scroll_cursor_halfway(int atend) used = MAXCOL; else used += loff.height; - if (used > curwin->w_height) + if (used > curwin->w_grid.Rows) { break; + } above += loff.height; topline = loff.lnum; topfill = loff.fill; @@ -1634,8 +1658,9 @@ void scroll_cursor_halfway(int atend) if (!hasFolding(topline, &curwin->w_topline, NULL)) curwin->w_topline = topline; curwin->w_topfill = topfill; - if (old_topline > curwin->w_topline + curwin->w_height) + if (old_topline > curwin->w_topline + curwin->w_grid.Rows) { curwin->w_botfill = false; + } check_topfill(curwin, false); curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); curwin->w_valid |= VALID_TOPLINE; @@ -1662,18 +1687,20 @@ void cursor_correct(void) } if (curwin->w_topline == 1) { above_wanted = 0; - int max_off = curwin->w_height / 2; - if (below_wanted > max_off) + int max_off = curwin->w_grid.Rows / 2; + if (below_wanted > max_off) { below_wanted = max_off; + } } validate_botline(); if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1 && mouse_dragging == 0 ) { below_wanted = 0; - int max_off = (curwin->w_height - 1) / 2; - if (above_wanted > max_off) + int max_off = (curwin->w_grid.Rows - 1) / 2; + if (above_wanted > max_off) { above_wanted = max_off; + } } /* @@ -1844,7 +1871,7 @@ int onepage(Direction dir, long count) /* Find the line just above the new topline to get the right line * at the bottom of the window. */ n = 0; - while (n <= curwin->w_height && loff.lnum >= 1) { + while (n <= curwin->w_grid.Rows && loff.lnum >= 1) { topline_back(&loff); if (loff.height == MAXCOL) n = MAXCOL; @@ -1935,7 +1962,7 @@ int onepage(Direction dir, long count) */ static void get_scroll_overlap(lineoff_T *lp, int dir) { - int min_height = curwin->w_height - 2; + int min_height = curwin->w_grid.Rows - 2; if (lp->fill > 0) lp->height = 1; @@ -1989,12 +2016,13 @@ void halfpage(bool flag, linenr_T Prenum) long scrolled = 0; int i; - if (Prenum) - curwin->w_p_scr = (Prenum > curwin->w_height) ? - curwin->w_height : Prenum; + if (Prenum) { + curwin->w_p_scr = (Prenum > curwin->w_grid.Rows) ? curwin->w_grid.Rows + : Prenum; + } assert(curwin->w_p_scr <= INT_MAX); - int n = curwin->w_p_scr <= curwin->w_height ? (int)curwin->w_p_scr - : curwin->w_height; + int n = curwin->w_p_scr <= curwin->w_grid.Rows ? (int)curwin->w_p_scr + : curwin->w_grid.Rows; update_topline(); validate_botline(); |