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Add support for a scrollbar at the side of each pane. New options

Browse Source 
pane-scrollbars turn them on or off, pane-scrollbars-position sets the
position (left or right), and pane-scrollbars-style to set the colours.
Mouse support will come later. From Michael Grant in GitHub issue 4221.
This commit is contained in:
nicm
2024-11-05 09:41:17 +00:00
parent a0c79aa87b
commit 09f4e43189
10 changed files with 481 additions and 108 deletions
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57
server-client.c
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@ -2230,7 +2230,7 @@ server_client_loop(void)
server_client_check_pane_resize(wp);
server_client_check_pane_buffer(wp);
}
wp->flags &= ~PANE_REDRAW;
wp->flags &= ~(PANE_REDRAW|PANE_REDRAWSCROLLBAR);
}
check_window_name(w);
}
@ -2662,7 +2662,7 @@ server_client_check_redraw(struct client *c)
struct window_pane *wp;
int needed, tty_flags, mode = tty->mode;
uint64_t client_flags = 0;
int redraw;
int redraw_pane, redraw_scrollbar_only;
u_int bit = 0;
struct timeval tv = { .tv_usec = 1000 };
static struct event ev;
@ -2671,12 +2671,13 @@ server_client_check_redraw(struct client *c)
if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
return;
if (c->flags & CLIENT_ALLREDRAWFLAGS) {
log_debug("%s: redraw%s%s%s%s%s", c->name,
log_debug("%s: redraw%s%s%s%s%s%s", c->name,
(c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
(c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
(c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
(c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
(c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
(c->flags & CLIENT_REDRAWPANES) ? " panes" : "",
(c->flags & CLIENT_REDRAWSCROLLBARS) ? " scrollbars" : "");
}
/*
@ -2691,11 +2692,15 @@ server_client_check_redraw(struct client *c)
TAILQ_FOREACH(wp, &w->panes, entry) {
if (wp->flags & PANE_REDRAW) {
needed = 1;
client_flags |= CLIENT_REDRAWPANES;
break;
}
if (wp->flags & PANE_REDRAWSCROLLBAR) {
needed = 1;
client_flags |= CLIENT_REDRAWSCROLLBARS;
/* no break - later panes may need redraw */
}
}
if (needed)
client_flags |= CLIENT_REDRAWPANES;
}
if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
log_debug("%s: redraw deferred (%zu left)", c->name, left);
@ -2708,23 +2713,30 @@ server_client_check_redraw(struct client *c)
if (~c->flags & CLIENT_REDRAWWINDOW) {
TAILQ_FOREACH(wp, &w->panes, entry) {
if (wp->flags & PANE_REDRAW) {
if (wp->flags & (PANE_REDRAW)) {
log_debug("%s: pane %%%u needs redraw",
c->name, wp->id);
c->redraw_panes |= (1 << bit);
} else if (wp->flags & PANE_REDRAWSCROLLBAR) {
log_debug("%s: pane %%%u scrollbar "
"needs redraw", c->name, wp->id);
c->redraw_scrollbars |= (1 << bit);
}
if (++bit == 64) {
/*
* If more that 64 panes, give up and
* just redraw the window.
*/
client_flags &= CLIENT_REDRAWPANES;
client_flags &= ~(CLIENT_REDRAWPANES|
CLIENT_REDRAWSCROLLBARS);
client_flags |= CLIENT_REDRAWWINDOW;
break;
}
}
if (c->redraw_panes != 0)
c->flags |= CLIENT_REDRAWPANES;
if (c->redraw_scrollbars != 0)
c->flags |= CLIENT_REDRAWSCROLLBARS;
}
c->flags |= client_flags;
return;
@ -2740,19 +2752,32 @@ server_client_check_redraw(struct client *c)
* needs to be redrawn.
*/
TAILQ_FOREACH(wp, &w->panes, entry) {
redraw = 0;
redraw_pane = 0;
redraw_scrollbar_only = 0;
if (wp->flags & PANE_REDRAW)
redraw = 1;
else if (c->flags & CLIENT_REDRAWPANES)
redraw = !!(c->redraw_panes & (1 << bit));
redraw_pane = 1;
else if (c->flags & CLIENT_REDRAWPANES) {
if (c->redraw_panes & (1 << bit))
redraw_pane = 1;
} else if (c->flags & CLIENT_REDRAWSCROLLBARS) {
if (c->redraw_scrollbars & (1 << bit))
redraw_scrollbar_only = 1;
}
bit++;
if (!redraw)
if (!redraw_pane && !redraw_scrollbar_only)
continue;
log_debug("%s: redrawing pane %%%u", __func__, wp->id);
screen_redraw_pane(c, wp);
if (redraw_scrollbar_only) {
log_debug("%s: redrawing (scrollbar only) pane "
"%%%u", __func__, wp->id);
} else {
log_debug("%s: redrawing pane %%%u", __func__,
wp->id);
}
screen_redraw_pane(c, wp, redraw_scrollbar_only);
}
c->redraw_panes = 0;
c->flags &= ~CLIENT_REDRAWPANES;
c->redraw_scrollbars = 0;
c->flags &= ~(CLIENT_REDRAWPANES|CLIENT_REDRAWSCROLLBARS);
}
if (c->flags & CLIENT_ALLREDRAWFLAGS) {