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Infrastructure for drawing status lines of more than one line in height,

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still only one is allowed but this lets tmux draw bigger ones.
This commit is contained in:
nicm
2017-10-16 19:30:53 +00:00
parent a5fd5782f8
commit 2f6935a630
6 changed files with 123 additions and 71 deletions
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67
status.c
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@@ -210,9 +210,24 @@ status_at_line(struct client *c)
{
struct session *s = c->session;
if (c->flags & CLIENT_STATUSOFF)
return (-1);
if (s->statusat != 1)
return (s->statusat);
return (c->tty.sy - 1);
return (c->tty.sy - status_line_size(s));
}
/*
* Get size of status line for session. 0 means off. Note that status line may
* be forced off for an individual client if it is too small (the
* CLIENT_STATUSOFF flag is set for this).
*/
u_int
status_line_size(struct session *s)
{
if (s->statusat == -1)
return (0);
return (1);
}
/* Retrieve options for left string. */
@@ -296,7 +311,7 @@ status_redraw(struct client *c)
time_t t;
char *left, *right;
const char *sep;
u_int offset, needed;
u_int offset, needed, lines;
u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
size_t llen, rlen, seplen;
int larrow, rarrow;
@@ -309,7 +324,8 @@ status_redraw(struct client *c)
}
/* No status line? */
if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
lines = status_line_size(s);
if (c->tty.sy == 0 || lines == 0)
return (1);
left = right = NULL;
larrow = rarrow = 0;
@@ -322,14 +338,13 @@ status_redraw(struct client *c)
/* Create the target screen. */
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->tty.sx, 1, 0);
screen_init(&c->status, c->tty.sx, lines, 0);
screen_write_start(&ctx, NULL, &c->status);
for (offset = 0; offset < c->tty.sx; offset++)
screen_write_putc(&ctx, &stdgc, ' ');
screen_write_clearscreen(&ctx, stdgc.bg);
screen_write_stop(&ctx);
/* If the height is one line, blank status line. */
if (c->tty.sy <= 1)
/* If the height is too small, blank status line. */
if (c->tty.sy < lines)
goto out;
/* Work out left and right strings. */
@@ -637,11 +652,17 @@ status_message_redraw(struct client *c)
struct screen old_status;
size_t len;
struct grid_cell gc;
u_int lines;
if (c->tty.sx == 0 || c->tty.sy == 0)
return (0);
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->tty.sx, 1, 0);
lines = status_line_size(c->session);
if (lines <= 1)
screen_init(&c->status, c->tty.sx, 1, 0);
else
screen_init(&c->status, c->tty.sx, lines, 0);
len = screen_write_strlen("%s", c->message_string);
if (len > c->tty.sx)
@@ -650,12 +671,9 @@ status_message_redraw(struct client *c)
style_apply(&gc, s->options, "message-style");
screen_write_start(&ctx, NULL, &c->status);
screen_write_cursormove(&ctx, 0, 0);
screen_write_clearscreen(&ctx, gc.bg);
screen_write_cursormove(&ctx, 0, lines - 1);
screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
for (; len < c->tty.sx; len++)
screen_write_putc(&ctx, &gc, ' ');
screen_write_stop(&ctx);
if (grid_compare(c->status.grid, old_status.grid) == 0) {
@@ -782,12 +800,24 @@ status_prompt_redraw(struct client *c)
struct session *s = c->session;
struct screen old_status;
u_int i, offset, left, start, pcursor, pwidth, width;
u_int lines;
size_t len, off;
struct grid_cell gc, cursorgc;
if (c->tty.sx == 0 || c->tty.sy == 0)
return (0);
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->tty.sx, 1, 0);
lines = status_line_size(c->session);
if (lines <= 1)
screen_init(&c->status, c->tty.sx, 1, 0);
else
screen_init(&c->status, c->tty.sx, lines, 0);
len = screen_write_strlen("%s", c->prompt_string);
if (len > c->tty.sx)
len = c->tty.sx;
off = 0;
if (c->prompt_mode == PROMPT_COMMAND)
style_apply(&gc, s->options, "message-command-style");
@@ -802,11 +832,10 @@ status_prompt_redraw(struct client *c)
start = c->tty.sx;
screen_write_start(&ctx, NULL, &c->status);
screen_write_cursormove(&ctx, 0, 0);
screen_write_clearscreen(&ctx, gc.bg);
screen_write_cursormove(&ctx, 0, lines - 1);
screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
while (c->status.cx < screen_size_x(&c->status))
screen_write_putc(&ctx, &gc, ' ');
screen_write_cursormove(&ctx, start, 0);
screen_write_cursormove(&ctx, start, lines - 1);
left = c->tty.sx - start;
if (left == 0)