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Give control code its own state struct.

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This commit is contained in:
nicm
2020-05-24 09:40:17 +00:00
parent 6c82982711
commit 18aab90959
3 changed files with 33 additions and 17 deletions
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43
control.c
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@ -38,6 +38,11 @@ struct control_offset {
};
RB_HEAD(control_offsets, control_offset);
/* Control state. */
struct control_state {
struct control_offsets offsets;
};
/* Compare client offsets. */
static int
control_offset_cmp(struct control_offset *co1, struct control_offset *co2)
@ -54,31 +59,26 @@ RB_GENERATE_STATIC(control_offsets, control_offset, entry, control_offset_cmp);
static struct control_offset *
control_get_offset(struct client *c, struct window_pane *wp)
{
struct control_offset co = { .pane = wp->id };
struct control_state *cs = c->control_state;
struct control_offset co = { .pane = wp->id };
if (c->offsets == NULL)
return (NULL);
return (RB_FIND(control_offsets, c->offsets, &co));
return (RB_FIND(control_offsets, &cs->offsets, &co));
}
/* Add pane offsets for this client. */
static struct control_offset *
control_add_offset(struct client *c, struct window_pane *wp)
{
struct control_state *cs = c->control_state;
struct control_offset *co;
co = control_get_offset(c, wp);
if (co != NULL)
return (co);
if (c->offsets == NULL) {
c->offsets = xmalloc(sizeof *c->offsets);
RB_INIT(c->offsets);
}
co = xcalloc(1, sizeof *co);
co->pane = wp->id;
RB_INSERT(control_offsets, c->offsets, co);
RB_INSERT(control_offsets, &cs->offsets, co);
memcpy(&co->offset, &wp->offset, sizeof co->offset);
return (co);
}
@ -87,15 +87,13 @@ control_add_offset(struct client *c, struct window_pane *wp)
void
control_free_offsets(struct client *c)
{
struct control_state *cs = c->control_state;
struct control_offset *co, *co1;
if (c->offsets == NULL)
return;
RB_FOREACH_SAFE(co, control_offsets, c->offsets, co1) {
RB_REMOVE(control_offsets, c->offsets, co);
RB_FOREACH_SAFE(co, control_offsets, &cs->offsets, co1) {
RB_REMOVE(control_offsets, &cs->offsets, co);
free(co);
}
free(c->offsets);
}
/* Get offsets for client. */
@ -255,8 +253,23 @@ control_callback(__unused struct client *c, __unused const char *path,
void
control_start(struct client *c)
{
struct control_state *cs;
cs = c->control_state = xcalloc(1, sizeof *cs);
RB_INIT(&cs->offsets);
file_read(c, "-", control_callback, c);
if (c->flags & CLIENT_CONTROLCONTROL)
file_print(c, "\033P1000p");
}
/* Stop control mode. */
void
control_stop(struct client *c)
{
struct control_state *cs = c->control_state;
control_free_offsets(c);
free(cs);
}