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Break up and simplify screen_redraw_screen.

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This commit is contained in:
nicm
2014-01-31 14:19:24 +00:00
parent 72d1be5ddd
commit 9f02feb9d0
3 changed files with 84 additions and 77 deletions
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153
screen-redraw.c
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@@ -29,6 +29,9 @@ int screen_redraw_check_cell(struct client *, u_int, u_int,
int screen_redraw_check_active(u_int, u_int, int, struct window *,
struct window_pane *);
void screen_redraw_draw_borders(struct client *, int, u_int);
void screen_redraw_draw_panes(struct client *, u_int);
void screen_redraw_draw_status(struct client *, u_int);
void screen_redraw_draw_number(struct client *, struct window_pane *);
#define CELL_INSIDE 0
@@ -216,15 +219,13 @@ screen_redraw_check_active(u_int px, u_int py, int type, struct window *w,
/* Redraw entire screen. */
void
screen_redraw_screen(struct client *c, int status_only, int borders_only)
screen_redraw_screen(struct client *c, int draw_panes, int draw_status,
int draw_borders)
{
struct window *w = c->session->curw->window;
struct options *oo = &c->session->options;
struct tty *tty = &c->tty;
struct window_pane *wp;
struct grid_cell active_gc, other_gc;
u_int i, j, type, top;
int status, spos;
struct options *oo = &c->session->options;
struct tty *tty = &c->tty;
u_int top;
int status, spos;
/* Suspended clients should not be updated. */
if (c->flags & CLIENT_SUSPENDED)
@@ -239,72 +240,15 @@ screen_redraw_screen(struct client *c, int status_only, int borders_only)
top = 0;
if (status && spos == 0)
top = 1;
if (!status)
draw_status = 0;
/* If only drawing status and it is present, don't need the rest. */
if (status_only && status) {
if (top)
tty_draw_line(tty, &c->status, 0, 0, 0);
else
tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
tty_reset(tty);
return;
}
/* Set up pane border attributes. */
style_apply(&other_gc, oo, "pane-border-style");
style_apply(&active_gc, oo, "pane-active-border-style");
active_gc.attr = other_gc.attr = GRID_ATTR_CHARSET; /* nuke existing */
/* Draw background and borders. */
for (j = 0; j < tty->sy - status; j++) {
if (status_only) {
if (spos == 1 && j != tty->sy - 1)
continue;
else if (spos == 0 && j != 0)
break;
}
for (i = 0; i < tty->sx; i++) {
type = screen_redraw_check_cell(c, i, j, &wp);
if (type == CELL_INSIDE)
continue;
if (screen_redraw_check_active(i, j, type, w, wp))
tty_attributes(tty, &active_gc);
else
tty_attributes(tty, &other_gc);
tty_cursor(tty, i, top + j);
tty_putc(tty, CELL_BORDERS[type]);
}
}
/* If only drawing borders, that's it. */
if (borders_only)
return;
/* Draw the panes, if necessary. */
TAILQ_FOREACH(wp, &w->panes, entry) {
if (!window_pane_visible(wp))
continue;
for (i = 0; i < wp->sy; i++) {
if (status_only) {
if (spos == 1 && wp->yoff + i != tty->sy - 1)
continue;
else if (spos == 0 && wp->yoff + i != 0)
break;
}
tty_draw_line(
tty, wp->screen, i, wp->xoff, top + wp->yoff);
}
if (c->flags & CLIENT_IDENTIFY)
screen_redraw_draw_number(c, wp);
}
/* Draw the status line. */
if (status) {
if (top)
tty_draw_line(tty, &c->status, 0, 0, 0);
else
tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
}
if (draw_borders)
screen_redraw_draw_borders(c, status, top);
if (draw_panes)
screen_redraw_draw_panes(c, top);
if (draw_status)
screen_redraw_draw_status(c, top);
tty_reset(tty);
}
@@ -326,6 +270,69 @@ screen_redraw_pane(struct client *c, struct window_pane *wp)
tty_reset(&c->tty);
}
/* Draw the borders. */
void
screen_redraw_draw_borders(struct client *c, int status, u_int top)
{
struct window *w = c->session->curw->window;
struct options *oo = &c->session->options;
struct tty *tty = &c->tty;
struct window_pane *wp;
struct grid_cell active_gc, other_gc;
u_int i, j, type;
style_apply(&other_gc, oo, "pane-border-style");
style_apply(&active_gc, oo, "pane-active-border-style");
active_gc.attr = other_gc.attr = GRID_ATTR_CHARSET;
for (j = 0; j < tty->sy - status; j++) {
for (i = 0; i < tty->sx; i++) {
type = screen_redraw_check_cell(c, i, j, &wp);
if (type == CELL_INSIDE)
continue;
if (screen_redraw_check_active(i, j, type, w, wp))
tty_attributes(tty, &active_gc);
else
tty_attributes(tty, &other_gc);
tty_cursor(tty, i, top + j);
tty_putc(tty, CELL_BORDERS[type]);
}
}
}
/* Draw the panes. */
void
screen_redraw_draw_panes(struct client *c, u_int top)
{
struct window *w = c->session->curw->window;
struct tty *tty = &c->tty;
struct window_pane *wp;
struct screen *s;
u_int i;
TAILQ_FOREACH(wp, &w->panes, entry) {
if (!window_pane_visible(wp))
continue;
s = wp->screen;
for (i = 0; i < wp->sy; i++)
tty_draw_line(tty, s, i, wp->xoff, top + wp->yoff);
if (c->flags & CLIENT_IDENTIFY)
screen_redraw_draw_number(c, wp);
}
}
/* Draw the status line. */
void
screen_redraw_draw_status(struct client *c, u_int top)
{
struct tty *tty = &c->tty;
if (top)
tty_draw_line(tty, &c->status, 0, 0, 0);
else
tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
}
/* Draw number on a pane. */
void
screen_redraw_draw_number(struct client *c, struct window_pane *wp)