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Try to show a better preview of sessions and windows in tree mode.

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This commit is contained in:
nicm
2017-06-30 22:24:08 +00:00
parent 8b0fd63ddb
commit 7247553c77
4 changed files with 177 additions and 6 deletions
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149
window-tree.c
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@@ -408,6 +408,140 @@ window_tree_build(void *modedata, u_int sort_type, uint64_t *tag,
}
}
static void
window_tree_draw_session(struct session *s, struct screen_write_ctx *ctx,
u_int sx, u_int sy)
{
struct options *oo = s->options;
struct winlink *wl;
struct window *w;
u_int i, n, each, width, left;
struct grid_cell gc;
int colour, active_colour;
char *label;
size_t len;
if (sx < 6)
return;
n = winlink_count(&s->windows);
memcpy(&gc, &grid_default_cell, sizeof gc);
colour = options_get_number(oo, "display-panes-colour");
active_colour = options_get_number(oo, "display-panes-active-colour");
each = sx / n;
if (each < 24) {
n = (sx - 6) / 24;
each = (sx - 6) / n;
left = sx - (n * each);
screen_write_cursormove(ctx, sx - left, 0);
screen_write_vline(ctx, sy, 0, 0);
screen_write_cursormove(ctx, sx - left + left / 2, sy / 2);
screen_write_puts(ctx, &grid_default_cell, "...");
if (sx == left)
return;
left = 0;
} else
left = sx - (n * each);
wl = RB_MIN(winlinks, &s->windows);
for (i = 0; i < n; i++) {
if (wl == s->curw)
gc.fg = active_colour;
else
gc.fg = colour;
if (i == n - 1)
width = each + left;
else
width = each - 1;
w = wl->window;
screen_write_cursormove(ctx, i * each, 0);
screen_write_preview(ctx, &w->active->base, width, sy);
xasprintf(&label, " %u:%s ", wl->idx, w->name);
if (strlen(label) > width)
xasprintf(&label, " %u ", wl->idx);
len = strlen(label) / 2;
screen_write_cursormove(ctx, i * each + each / 2 - len, sy / 2);
screen_write_puts(ctx, &gc, "%s", label);
free(label);
if (i != n - 1) {
screen_write_cursormove(ctx, i * each + width, 0);
screen_write_vline(ctx, sy, 0, 0);
}
wl = RB_NEXT(winlinks, &s->windows, wl);
}
}
static void
window_tree_draw_window(struct session *s, struct window *w,
struct screen_write_ctx *ctx, u_int sx, u_int sy)
{
struct options *oo = s->options;
struct window_pane *wp;
u_int i, n, each, width, left;
struct grid_cell gc;
int colour, active_colour;
char *label;
size_t len;
if (sx < 6)
return;
n = window_count_panes(w);
memcpy(&gc, &grid_default_cell, sizeof gc);
colour = options_get_number(oo, "display-panes-colour");
active_colour = options_get_number(oo, "display-panes-active-colour");
each = sx / n;
if (each < 24) {
n = (sx - 6) / 24;
each = (sx - 6) / n;
left = sx - (n * each);
screen_write_cursormove(ctx, sx - left, 0);
screen_write_vline(ctx, sy, 0, 0);
screen_write_cursormove(ctx, sx - left + left / 2, sy / 2);
screen_write_puts(ctx, &grid_default_cell, "...");
if (sx == left)
return;
left = 0;
} else
left = sx - (n * each);
wp = TAILQ_FIRST(&w->panes);
for (i = 0; i < n; i++) {
if (wp == w->active)
gc.fg = active_colour;
else
gc.fg = colour;
if (i == n - 1)
width = each + left;
else
width = each - 1;
screen_write_cursormove(ctx, i * each, 0);
screen_write_preview(ctx, &wp->base, width, sy);
xasprintf(&label, " %u ", i);
len = strlen(label) / 2;
screen_write_cursormove(ctx, i * each + each / 2 - len, sy / 2);
screen_write_puts(ctx, &gc, "%s", label);
free(label);
if (i != n - 1) {
screen_write_cursormove(ctx, i * each + width, 0);
screen_write_vline(ctx, sy, 0, 0);
}
wp = TAILQ_NEXT(wp, entry);
}
}
static struct screen *
window_tree_draw(__unused void *modedata, void *itemdata, u_int sx, u_int sy)
{
@@ -423,10 +557,21 @@ window_tree_draw(__unused void *modedata, void *itemdata, u_int sx, u_int sy)
return (NULL);
screen_init(&s, sx, sy, 0);
screen_write_start(&ctx, NULL, &s);
screen_write_preview(&ctx, &wp->base, sx, sy);
switch (item->type) {
case WINDOW_TREE_NONE:
return (0);
case WINDOW_TREE_SESSION:
window_tree_draw_session(sp, &ctx, sx, sy);
break;
case WINDOW_TREE_WINDOW:
window_tree_draw_window(sp, wlp->window, &ctx, sx, sy);
break;
case WINDOW_TREE_PANE:
screen_write_preview(&ctx, &wp->base, sx, sy);
break;
}
screen_write_stop(&ctx);
return (&s);