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Rewrite screen-redraw.c to make it tidier and more maintainable. A scene

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is generated and cached in the client: it holds positions and sizes of
panes, borders and so on. The scene is invalidated when a pane is moved
or resized or relevant option is changed. This scene is then drawn to
the client as needed and text and colours are filled in. With Michael
Grant.
This commit is contained in:
nicm
2026-06-22 08:47:45 +00:00
parent e680420c89
commit 95afd7549c
16 changed files with 1836 additions and 1326 deletions
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39
cmd-display-panes.c
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@@ -48,6 +48,16 @@ struct cmd_display_panes_data {
struct args_command_state *state;
};
struct cmd_display_panes_ctx {
struct client *c;
int ox;
int oy;
u_int sx;
u_int sy;
u_int statuslines;
int statustop;
};
static enum args_parse_type
cmd_display_panes_args_parse(__unused struct args *args, __unused u_int idx,
__unused char **cause)
@@ -56,7 +66,7 @@ cmd_display_panes_args_parse(__unused struct args *args, __unused u_int idx,
}
static void
cmd_display_panes_put(struct screen_redraw_ctx *ctx,
cmd_display_panes_put(struct cmd_display_panes_ctx *ctx,
struct window_pane *wp, u_int cx, u_int cy, const char *buf, size_t len)
{
struct client *c = ctx->c;
@@ -76,7 +86,7 @@ cmd_display_panes_put(struct screen_redraw_ctx *ctx,
}
static void
cmd_display_panes_draw_format(struct screen_redraw_ctx *ctx,
cmd_display_panes_draw_format(struct cmd_display_panes_ctx *ctx,
struct window_pane *wp, u_int xoff, u_int yoff, u_int sx,
const struct grid_cell *gc)
{
@@ -112,7 +122,7 @@ cmd_display_panes_draw_format(struct screen_redraw_ctx *ctx,
}
static void
cmd_display_panes_draw_pane(struct screen_redraw_ctx *ctx,
cmd_display_panes_draw_pane(struct cmd_display_panes_ctx *ctx,
struct window_pane *wp)
{
struct client *c = ctx->c;
@@ -254,17 +264,30 @@ out:
}
static void
cmd_display_panes_draw(struct client *c, __unused void *data,
struct screen_redraw_ctx *ctx)
cmd_display_panes_draw(struct client *c, __unused void *data)
{
struct window *w = c->session->curw->window;
struct window_pane *wp;
struct session *s = c->session;
struct window *w = s->curw->window;
struct window_pane *wp;
struct cmd_display_panes_ctx ctx;
u_int lines;
log_debug("%s: %s @%u", __func__, c->name, w->id);
memset(&ctx, 0, sizeof ctx);
ctx.c = c;
tty_window_offset(&c->tty, &ctx.ox, &ctx.oy, &ctx.sx, &ctx.sy);
if (options_get_number(s->options, "status-position") == 0) {
lines = status_line_size(c);
if (c->message_string != NULL || c->prompt_string != NULL)
lines = (lines == 0 ? 1 : lines);
ctx.statuslines = lines;
ctx.statustop = 1;
}
TAILQ_FOREACH(wp, &w->panes, entry) {
if (window_pane_is_visible(wp))
cmd_display_panes_draw_pane(ctx, wp);
cmd_display_panes_draw_pane(&ctx, wp);
}
}