diff options
Diffstat (limited to 'status.c')
| -rw-r--r-- | status.c | 425 |
1 files changed, 102 insertions, 323 deletions
@@ -29,14 +29,6 @@ #include "tmux.h" -static char *status_redraw_get_left(struct client *, struct grid_cell *, - size_t *); -static char *status_redraw_get_right(struct client *, struct grid_cell *, - size_t *); -static char *status_print(struct client *, struct winlink *, - struct grid_cell *); -static char *status_replace(struct client *, struct winlink *, - const char *); static void status_message_callback(int, short, void *); static void status_timer_callback(int, short, void *); @@ -196,7 +188,8 @@ status_timer_start_all(void) void status_update_cache(struct session *s) { - if (!options_get_number(s->options, "status")) + s->statuslines = options_get_number(s->options, "status"); + if (s->statuslines == 0) s->statusat = -1; else if (options_get_number(s->options, "status-position") == 0) s->statusat = 0; @@ -225,75 +218,35 @@ status_line_size(struct client *c) if (c->flags & CLIENT_STATUSOFF) return (0); - if (s->statusat == -1) - return (0); - return (1); -} - -/* Retrieve options for left string. */ -static char * -status_redraw_get_left(struct client *c, struct grid_cell *gc, size_t *size) -{ - struct session *s = c->session; - const char *template; - char *left; - size_t leftlen; - - style_apply_update(gc, s->options, "status-left-style"); - - template = options_get_string(s->options, "status-left"); - left = status_replace(c, NULL, template); - - *size = options_get_number(s->options, "status-left-length"); - leftlen = screen_write_cstrlen("%s", left); - if (leftlen < *size) - *size = leftlen; - return (left); + return (s->statuslines); } -/* Retrieve options for right string. */ -static char * -status_redraw_get_right(struct client *c, struct grid_cell *gc, size_t *size) +/* Get window at window list position. */ +struct style_range * +status_get_range(struct client *c, u_int x, u_int y) { - struct session *s = c->session; - const char *template; - char *right; - size_t rightlen; - - style_apply_update(gc, s->options, "status-right-style"); - - template = options_get_string(s->options, "status-right"); - right = status_replace(c, NULL, template); + struct status_line *sl = &c->status; + struct style_range *sr; - *size = options_get_number(s->options, "status-right-length"); - rightlen = screen_write_cstrlen("%s", right); - if (rightlen < *size) - *size = rightlen; - return (right); + if (y >= nitems(sl->entries)) + return (NULL); + TAILQ_FOREACH(sr, &sl->entries[y].ranges, entry) { + if (x >= sr->start && x < sr->end) + return (sr); + } + return (NULL); } -/* Get window at window list position. */ -struct window * -status_get_window_at(struct client *c, u_int x) +/* Free all ranges. */ +static void +status_free_ranges(struct style_ranges *srs) { - struct session *s = c->session; - struct winlink *wl; - struct options *oo; - const char *sep; - size_t seplen; - - x += c->status.window_list_offset; - RB_FOREACH(wl, winlinks, &s->windows) { - oo = wl->window->options; - - sep = options_get_string(oo, "window-status-separator"); - seplen = screen_write_cstrlen("%s", sep); + struct style_range *sr, *sr1; - if (x < wl->status_width) - return (wl->window); - x -= wl->status_width + seplen; + TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) { + TAILQ_REMOVE(srs, sr, entry); + free(sr); } - return (NULL); } /* Save old status line. */ @@ -327,6 +280,10 @@ void status_init(struct client *c) { struct status_line *sl = &c->status; + u_int i; + + for (i = 0; i < nitems(sl->entries); i++) + TAILQ_INIT(&sl->entries[i].ranges); screen_init(&sl->screen, c->tty.sx, 1, 0); sl->active = &sl->screen; @@ -337,6 +294,12 @@ void status_free(struct client *c) { struct status_line *sl = &c->status; + u_int i; + + for (i = 0; i < nitems(sl->entries); i++) { + status_free_ranges(&sl->entries[i].ranges); + free((void *)sl->entries[i].expanded); + } if (event_initialized(&sl->timer)) evtimer_del(&sl->timer); @@ -352,19 +315,19 @@ status_free(struct client *c) int status_redraw(struct client *c) { - struct status_line *sl = &c->status; - struct screen_write_ctx ctx; - struct session *s = c->session; - struct winlink *wl; - struct screen old_screen, window_list; - struct grid_cell stdgc, lgc, rgc, gc; - struct options *oo; - char *left, *right; - const char *sep; - u_int offset, needed, lines; - u_int wlstart, wlwidth, wlavailable, wloffset, wlsize; - size_t llen, rlen, seplen; - int larrow, rarrow; + struct status_line *sl = &c->status; + struct status_line_entry *sle; + struct session *s = c->session; + struct screen_write_ctx ctx; + struct grid_cell gc; + u_int lines, i, width = c->tty.sx; + int flags, force = 0, changed = 0; + struct options_entry *o; + struct format_tree *ft; + const char *fmt; + char *expanded; + + log_debug("%s enter", __func__); /* Shouldn't get here if not the active screen. */ if (sl->active != &sl->screen) @@ -374,257 +337,71 @@ status_redraw(struct client *c) lines = status_line_size(c); if (c->tty.sy == 0 || lines == 0) return (1); - left = right = NULL; - larrow = rarrow = 0; /* Set up default colour. */ - style_apply(&stdgc, s->options, "status-style"); - - /* Create the target screen. */ - memcpy(&old_screen, sl->active, sizeof old_screen); - screen_init(sl->active, c->tty.sx, lines, 0); - screen_write_start(&ctx, NULL, sl->active); - for (offset = 0; offset < lines * c->tty.sx; offset++) - screen_write_putc(&ctx, &stdgc, ' '); - screen_write_stop(&ctx); - - /* If the height is too small, blank status line. */ - if (c->tty.sy < lines) - goto out; - - /* Work out left and right strings. */ - memcpy(&lgc, &stdgc, sizeof lgc); - left = status_redraw_get_left(c, &lgc, &llen); - memcpy(&rgc, &stdgc, sizeof rgc); - right = status_redraw_get_right(c, &rgc, &rlen); - - /* - * Figure out how much space we have for the window list. If there - * isn't enough space, just show a blank status line. - */ - needed = 0; - if (llen != 0) - needed += llen; - if (rlen != 0) - needed += rlen; - if (c->tty.sx == 0 || c->tty.sx <= needed) - goto out; - wlavailable = c->tty.sx - needed; - - /* Calculate the total size needed for the window list. */ - wlstart = wloffset = wlwidth = 0; - RB_FOREACH(wl, winlinks, &s->windows) { - free(wl->status_text); - memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell); - wl->status_text = status_print(c, wl, &wl->status_cell); - wl->status_width = screen_write_cstrlen("%s", wl->status_text); - - if (wl == s->curw) - wloffset = wlwidth; - - oo = wl->window->options; - sep = options_get_string(oo, "window-status-separator"); - seplen = screen_write_cstrlen("%s", sep); - wlwidth += wl->status_width + seplen; - } - - /* Create a new screen for the window list. */ - screen_init(&window_list, wlwidth, 1, 0); - - /* And draw the window list into it. */ - screen_write_start(&ctx, NULL, &window_list); - RB_FOREACH(wl, winlinks, &s->windows) { - screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s", - wl->status_text); - - oo = wl->window->options; - sep = options_get_string(oo, "window-status-separator"); - screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep); - } - screen_write_stop(&ctx); - - /* If there is enough space for the total width, skip to draw now. */ - if (wlwidth <= wlavailable) - goto draw; - - /* Find size of current window text. */ - wlsize = s->curw->status_width; - - /* - * If the current window is already on screen, good to draw from the - * start and just leave off the end. - */ - if (wloffset + wlsize < wlavailable) { - if (wlavailable > 0) { - rarrow = 1; - wlavailable--; - } - wlwidth = wlavailable; - } else { - /* - * Work out how many characters we need to omit from the - * start. There are wlavailable characters to fill, and - * wloffset + wlsize must be the last. So, the start character - * is wloffset + wlsize - wlavailable. - */ - if (wlavailable > 0) { - larrow = 1; - wlavailable--; - } - - wlstart = wloffset + wlsize - wlavailable; - if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) { - rarrow = 1; - wlstart++; - wlavailable--; - } - wlwidth = wlavailable; + style_apply(&gc, s->options, "status-style"); + if (!grid_cells_equal(&gc, &sl->style)) { + force = 1; + memcpy(&sl->style, &gc, sizeof sl->style); } - /* Bail if anything is now too small too. */ - if (wlwidth == 0 || wlavailable == 0) { - screen_free(&window_list); - goto out; + /* Resize the target screen. */ + if (screen_size_x(&sl->screen) != width || + screen_size_y(&sl->screen) != lines) { + if (screen_size_x(&sl->screen) != width) + force = 1; + screen_resize(&sl->screen, width, lines, 0); + changed = 1; } + screen_write_start(&ctx, NULL, &sl->screen); - /* - * Now the start position is known, work out the state of the left and - * right arrows. - */ - offset = 0; - RB_FOREACH(wl, winlinks, &s->windows) { - if (wl->flags & WINLINK_ALERTFLAGS && - larrow == 1 && offset < wlstart) - larrow = -1; - - offset += wl->status_width; - - if (wl->flags & WINLINK_ALERTFLAGS && - rarrow == 1 && offset > wlstart + wlwidth) - rarrow = -1; - } + /* Create format tree. */ + flags = FORMAT_STATUS; + if (c->flags & CLIENT_STATUSFORCE) + flags |= FORMAT_FORCE; + ft = format_create(c, NULL, FORMAT_NONE, flags); + format_defaults(ft, c, NULL, NULL, NULL); -draw: - /* Begin drawing. */ - screen_write_start(&ctx, NULL, sl->active); + /* Write the status lines. */ + o = options_get(s->options, "status-format"); + if (o == NULL) + screen_write_clearscreen(&ctx, gc.bg); + else { + for (i = 0; i < lines; i++) { + screen_write_cursormove(&ctx, 0, i, 0); + + fmt = options_array_get(o, i); + if (fmt == NULL) { + screen_write_clearline(&ctx, gc.bg); + continue; + } + sle = &sl->entries[i]; - /* Draw the left string and arrow. */ - screen_write_cursormove(&ctx, 0, 0, 0); - if (llen != 0) - screen_write_cnputs(&ctx, llen, &lgc, "%s", left); - if (larrow != 0) { - memcpy(&gc, &stdgc, sizeof gc); - if (larrow == -1) - gc.attr ^= GRID_ATTR_REVERSE; - screen_write_putc(&ctx, &gc, '<'); - } + expanded = format_expand_time(ft, fmt); + if (!force && + sle->expanded != NULL && + strcmp(expanded, sle->expanded) == 0) { + free(expanded); + continue; + } + changed = 1; - /* Draw the right string and arrow. */ - if (rarrow != 0) { - screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0, 0); - memcpy(&gc, &stdgc, sizeof gc); - if (rarrow == -1) - gc.attr ^= GRID_ATTR_REVERSE; - screen_write_putc(&ctx, &gc, '>'); - } else - screen_write_cursormove(&ctx, c->tty.sx - rlen, 0, 0); - if (rlen != 0) - screen_write_cnputs(&ctx, rlen, &rgc, "%s", right); + screen_write_clearline(&ctx, gc.bg); + status_free_ranges(&sle->ranges); + format_draw(&ctx, &gc, width, expanded, &sle->ranges); - /* Figure out the offset for the window list. */ - if (llen != 0) - wloffset = llen; - else - wloffset = 0; - if (wlwidth < wlavailable) { - switch (options_get_number(s->options, "status-justify")) { - case 1: /* centred */ - wloffset += (wlavailable - wlwidth) / 2; - break; - case 2: /* right */ - wloffset += (wlavailable - wlwidth); - break; + free(sle->expanded); + sle->expanded = expanded; } } - if (larrow != 0) - wloffset++; - - /* Copy the window list. */ - sl->window_list_offset = -wloffset + wlstart; - screen_write_cursormove(&ctx, wloffset, 0, 0); - screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1); - screen_free(&window_list); - - /* Save left and right size. */ - sl->left_size = llen; - sl->right_size = rlen; - screen_write_stop(&ctx); -out: - free(left); - free(right); - - if (grid_compare(sl->active->grid, old_screen.grid) == 0) { - screen_free(&old_screen); - return (0); - } - screen_free(&old_screen); - return (1); -} - -/* Replace special sequences in fmt. */ -static char * -status_replace(struct client *c, struct winlink *wl, const char *fmt) -{ - struct format_tree *ft; - char *expanded; - u_int tag; - - if (fmt == NULL) - return (xstrdup("")); - - if (wl != NULL) - tag = FORMAT_WINDOW|wl->window->id; - else - tag = FORMAT_NONE; - if (c->flags & CLIENT_STATUSFORCE) - ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE); - else - ft = format_create(c, NULL, tag, FORMAT_STATUS); - format_defaults(ft, c, NULL, wl, NULL); - - expanded = format_expand_time(ft, fmt); - + /* Free the format tree. */ format_free(ft); - return (expanded); -} -/* Return winlink status line entry and adjust gc as necessary. */ -static char * -status_print(struct client *c, struct winlink *wl, struct grid_cell *gc) -{ - struct options *oo = wl->window->options; - struct session *s = c->session; - const char *fmt; - char *text; - - style_apply_update(gc, oo, "window-status-style"); - fmt = options_get_string(oo, "window-status-format"); - if (wl == s->curw) { - style_apply_update(gc, oo, "window-status-current-style"); - fmt = options_get_string(oo, "window-status-current-format"); - } - if (wl == TAILQ_FIRST(&s->lastw)) - style_apply_update(gc, oo, "window-status-last-style"); - - if (wl->flags & WINLINK_BELL) - style_apply_update(gc, oo, "window-status-bell-style"); - else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) - style_apply_update(gc, oo, "window-status-activity-style"); - - text = status_replace(c, wl, fmt); - return (text); + /* Return if the status line has changed. */ + log_debug("%s exit: force=%d, changed=%d", __func__, force, changed); + return (force || changed); } /* Set a status line message. */ @@ -713,8 +490,9 @@ status_message_redraw(struct client *c) style_apply(&gc, s->options, "message-style"); screen_write_start(&ctx, NULL, sl->active); - screen_write_cursormove(&ctx, 0, 0, 0); - for (offset = 0; offset < lines * c->tty.sx; offset++) + screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1); + screen_write_cursormove(&ctx, 0, lines - 1, 0); + for (offset = 0; offset < c->tty.sx; offset++) screen_write_putc(&ctx, &gc, ' '); screen_write_cursormove(&ctx, 0, lines - 1, 0); screen_write_nputs(&ctx, len, &gc, "%s", c->message_string); @@ -864,12 +642,13 @@ status_prompt_redraw(struct client *c) start = c->tty.sx; screen_write_start(&ctx, NULL, sl->active); - screen_write_cursormove(&ctx, 0, 0, 0); - for (offset = 0; offset < lines * c->tty.sx; offset++) + screen_write_fast_copy(&ctx, &sl->screen, 0, 0, c->tty.sx, lines - 1); + screen_write_cursormove(&ctx, 0, lines - 1, 0); + for (offset = 0; offset < c->tty.sx; offset++) screen_write_putc(&ctx, &gc, ' '); - screen_write_cursormove(&ctx, 0, 0, 0); + screen_write_cursormove(&ctx, 0, lines - 1, 0); screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string); - screen_write_cursormove(&ctx, start, 0, 0); + screen_write_cursormove(&ctx, start, lines - 1, 0); left = c->tty.sx - start; if (left == 0) |