diff options
Diffstat (limited to 'src/nvim/screen.c')
-rw-r--r-- | src/nvim/screen.c | 195 |
1 files changed, 120 insertions, 75 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c index 5d887444f5..057e800ee2 100644 --- a/src/nvim/screen.c +++ b/src/nvim/screen.c @@ -1003,8 +1003,7 @@ static void win_update(win_T *wp, Providers *providers) i = plines_m_win(wp, wp->w_topline, wp->w_lines[0].wl_lnum - 1); // insert extra lines for previously invisible filler lines if (wp->w_lines[0].wl_lnum != wp->w_topline) { - i += diff_check_fill(wp, wp->w_lines[0].wl_lnum) - - wp->w_old_topfill; + i += win_get_fill(wp, wp->w_lines[0].wl_lnum) - wp->w_old_topfill; } if (i != 0 && i < wp->w_grid.Rows - 2) { // less than a screen off // Try to insert the correct number of lines. @@ -1067,7 +1066,7 @@ static void win_update(win_T *wp, Providers *providers) if (wp->w_lines[0].wl_lnum == wp->w_topline) { row += wp->w_old_topfill; } else { - row += diff_check_fill(wp, wp->w_topline); + row += win_get_fill(wp, wp->w_topline); } // ... but don't delete new filler lines. row -= wp->w_topfill; @@ -1101,12 +1100,12 @@ static void win_update(win_T *wp, Providers *providers) break; } } - /* Correct the first entry for filler lines at the top - * when it won't get updated below. */ - if (wp->w_p_diff && bot_start > 0) { - wp->w_lines[0].wl_size = - plines_win_nofill(wp, wp->w_topline, true) - + wp->w_topfill; + + // Correct the first entry for filler lines at the top + // when it won't get updated below. + if (win_may_fill(wp) && bot_start > 0) { + wp->w_lines[0].wl_size = (plines_win_nofill(wp, wp->w_topline, true) + + wp->w_topfill); } } } @@ -1564,7 +1563,7 @@ static void win_update(win_T *wp, Providers *providers) && lnum > wp->w_topline && !(dy_flags & (DY_LASTLINE | DY_TRUNCATE)) && srow + wp->w_lines[idx].wl_size > wp->w_grid.Rows - && diff_check_fill(wp, lnum) == 0) { + && win_get_fill(wp, lnum) == 0) { // This line is not going to fit. Don't draw anything here, // will draw "@ " lines below. row = wp->w_grid.Rows + 1; @@ -1664,7 +1663,7 @@ static void win_update(win_T *wp, Providers *providers) * Don't overwrite it, it can be edited. */ wp->w_botline = lnum + 1; - } else if (diff_check_fill(wp, lnum) >= wp->w_grid.Rows - srow) { + } else if (win_get_fill(wp, lnum) >= wp->w_grid.Rows - srow) { // Window ends in filler lines. wp->w_botline = lnum; wp->w_filler_rows = wp->w_grid.Rows - srow; @@ -1691,7 +1690,7 @@ static void win_update(win_T *wp, Providers *providers) } else { if (eof) { // we hit the end of the file wp->w_botline = buf->b_ml.ml_line_count + 1; - j = diff_check_fill(wp, wp->w_botline); + j = win_get_fill(wp, wp->w_botline); if (j > 0 && !wp->w_botfill) { // Display filler text below last line. win_line() will check // for ml_line_count+1 and only draw filler lines @@ -1866,7 +1865,7 @@ static int compute_foldcolumn(win_T *wp, int col) /// Put a single char from an UTF-8 buffer into a line buffer. /// /// Handles composing chars and arabic shaping state. -static int line_putchar(LineState *s, schar_T *dest, int maxcells, bool rl) +static int line_putchar(buf_T *buf, LineState *s, schar_T *dest, int maxcells, bool rl, int vcol) { const char_u *p = (char_u *)s->p; int cells = utf_ptr2cells(p); @@ -1876,7 +1875,13 @@ static int line_putchar(LineState *s, schar_T *dest, int maxcells, bool rl) return -1; } u8c = utfc_ptr2char(p, u8cc); - if (*p < 0x80 && u8cc[0] == 0) { + if (*p == TAB) { + cells = MIN(tabstop_padding(vcol, buf->b_p_ts, buf->b_p_vts_array), maxcells); + for (int c = 0; c < cells; c++) { + schar_from_ascii(dest[c], ' '); + } + goto done; + } else if (*p < 0x80 && u8cc[0] == 0) { schar_from_ascii(dest[0], *p); s->prev_c = u8c; } else { @@ -1909,6 +1914,7 @@ static int line_putchar(LineState *s, schar_T *dest, int maxcells, bool rl) if (cells > 1) { dest[1][0] = 0; } +done: s->p += c_len; return cells; } @@ -2366,8 +2372,11 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc filler_lines = 0; area_highlighting = true; } + int virtual_lines = decor_virtual_lines(wp, lnum); + filler_lines += virtual_lines; if (lnum == wp->w_topline) { filler_lines = wp->w_topfill; + virtual_lines = MIN(virtual_lines, filler_lines); } filler_todo = filler_lines; @@ -2895,7 +2904,18 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc if (draw_state == WL_SBR - 1 && n_extra == 0) { draw_state = WL_SBR; - if (filler_todo > 0) { + if (filler_todo > filler_lines - virtual_lines) { + // TODO(bfredl): check this doesn't inhibit TUI-style + // clear-to-end-of-line. + c_extra = ' '; + c_final = NUL; + if (wp->w_p_rl) { + n_extra = col + 1; + } else { + n_extra = grid->Columns - col; + } + char_attr = 0; + } else if (filler_todo > 0) { // draw "deleted" diff line(s) if (char2cells(wp->w_p_fcs_chars.diff) > 1) { c_extra = '-'; @@ -4402,7 +4422,19 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc && !wp->w_p_rl; // Not right-to-left. int draw_col = col - boguscols; - draw_virt_text(buf, win_col_offset, &draw_col, grid->Columns); + if (filler_todo > 0) { + int index = filler_todo - (filler_lines - virtual_lines); + if (index > 0) { + int fpos = kv_size(buf->b_virt_lines) - index; + assert(fpos >= 0); + int offset = buf->b_virt_line_leftcol ? 0 : win_col_offset; + draw_virt_text_item(buf, offset, kv_A(buf->b_virt_lines, fpos), + kHlModeReplace, grid->Columns, offset); + } + } else { + draw_virt_text(buf, win_col_offset, &draw_col, grid->Columns); + } + grid_put_linebuf(grid, row, 0, draw_col, grid->Columns, wp->w_p_rl, wp, wp->w_hl_attr_normal, wrap); if (wrap) { @@ -4485,67 +4517,80 @@ void draw_virt_text(buf_T *buf, int col_off, int *end_col, int max_col) bool do_eol = state->eol_col > -1; for (size_t i = 0; i < kv_size(state->active); i++) { DecorRange *item = &kv_A(state->active, i); - if (item->start_row == state->row && kv_size(item->decor.virt_text)) { - if (item->win_col == -1) { - if (item->decor.virt_text_pos == kVTRightAlign) { - right_pos -= item->decor.virt_text_width; - item->win_col = right_pos; - } else if (item->decor.virt_text_pos == kVTEndOfLine && do_eol) { - item->win_col = state->eol_col; - state->eol_col += item->decor.virt_text_width; - } else if (item->decor.virt_text_pos == kVTWinCol) { - item->win_col = MAX(item->decor.col+col_off, 0); - } - } - if (item->win_col < 0) { - continue; - } - VirtText vt = item->decor.virt_text; - HlMode hl_mode = item->decor.hl_mode; - LineState s = LINE_STATE(""); - int virt_attr = 0; - int col = item->win_col; - size_t virt_pos = 0; - item->win_col = -2; // deactivate - - while (col < max_col) { - if (!*s.p) { - if (virt_pos >= kv_size(vt)) { - break; - } - virt_attr = 0; - do { - s.p = kv_A(vt, virt_pos).text; - int hl_id = kv_A(vt, virt_pos).hl_id; - virt_attr = hl_combine_attr(virt_attr, - hl_id > 0 ? syn_id2attr(hl_id) : 0); - virt_pos++; - } while (!s.p && virt_pos < kv_size(vt)); - if (!s.p) { - break; - } - } - int attr; - bool through = false; - if (hl_mode == kHlModeCombine) { - attr = hl_combine_attr(linebuf_attr[col], virt_attr); - } else if (hl_mode == kHlModeBlend) { - through = (*s.p == ' '); - attr = hl_blend_attrs(linebuf_attr[col], virt_attr, &through); - } else { - attr = virt_attr; - } - schar_T dummy[2]; - int cells = line_putchar(&s, through ? dummy : &linebuf_char[col], - max_col-col, false); - linebuf_attr[col++] = attr; - if (cells > 1) { - linebuf_attr[col++] = attr; - } + if (!(item->start_row == state->row && kv_size(item->decor.virt_text))) { + continue; + } + if (item->win_col == -1) { + if (item->decor.virt_text_pos == kVTRightAlign) { + right_pos -= item->decor.virt_text_width; + item->win_col = right_pos; + } else if (item->decor.virt_text_pos == kVTEndOfLine && do_eol) { + item->win_col = state->eol_col; + } else if (item->decor.virt_text_pos == kVTWinCol) { + item->win_col = MAX(item->decor.col+col_off, 0); + } + } + if (item->win_col < 0) { + continue; + } + + int col = draw_virt_text_item(buf, item->win_col, item->decor.virt_text, + item->decor.hl_mode, max_col, item->win_col-col_off); + item->win_col = -2; // deactivate + if (item->decor.virt_text_pos == kVTEndOfLine && do_eol) { + state->eol_col = col+1; + } + + *end_col = MAX(*end_col, col); + } +} + +static int draw_virt_text_item(buf_T *buf, int col, VirtText vt, HlMode hl_mode, + int max_col, int vcol) +{ + LineState s = LINE_STATE(""); + int virt_attr = 0; + size_t virt_pos = 0; + + while (col < max_col) { + if (!*s.p) { + if (virt_pos >= kv_size(vt)) { + break; + } + virt_attr = 0; + do { + s.p = kv_A(vt, virt_pos).text; + int hl_id = kv_A(vt, virt_pos).hl_id; + virt_attr = hl_combine_attr(virt_attr, + hl_id > 0 ? syn_id2attr(hl_id) : 0); + virt_pos++; + } while (!s.p && virt_pos < kv_size(vt)); + if (!s.p) { + break; } - *end_col = MAX(*end_col, col); } + int attr; + bool through = false; + if (hl_mode == kHlModeCombine) { + attr = hl_combine_attr(linebuf_attr[col], virt_attr); + } else if (hl_mode == kHlModeBlend) { + through = (*s.p == ' '); + attr = hl_blend_attrs(linebuf_attr[col], virt_attr, &through); + } else { + attr = virt_attr; + } + schar_T dummy[2]; + int cells = line_putchar(buf, &s, through ? dummy : &linebuf_char[col], + max_col-col, false, vcol); + // if we failed to emit a char, we still need to advance + cells = MAX(cells, 1); + + for (int c = 0; c < cells; c++) { + linebuf_attr[col++] = attr; + } + vcol += cells; } + return col; } /// Determine if dedicated window grid should be used or the default_grid @@ -5489,7 +5534,7 @@ static void win_redr_custom(win_T *wp, bool draw_ruler) ewp->w_p_crb = p_crb_save; // Make all characters printable. - p = (char_u *)transstr((const char *)buf); + p = (char_u *)transstr((const char *)buf, true); len = STRLCPY(buf, p, sizeof(buf)); len = (size_t)len < sizeof(buf) ? len : (int)sizeof(buf) - 1; xfree(p); |