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Diffstat (limited to 'tty.c')
-rw-r--r--tty.c89
1 files changed, 78 insertions, 11 deletions
diff --git a/tty.c b/tty.c
index 34270625..fb7b6f8c 100644
--- a/tty.c
+++ b/tty.c
@@ -21,6 +21,7 @@
#include <netinet/in.h>
+#include <curses.h>
#include <errno.h>
#include <fcntl.h>
#include <resolv.h>
@@ -54,6 +55,7 @@ static void tty_colours_bg(struct tty *, const struct grid_cell *);
static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
u_int);
+static void tty_margin_pane(struct tty *, const struct tty_ctx *);
static int tty_large_region(struct tty *, const struct tty_ctx *);
static int tty_fake_bce(const struct tty *, const struct window_pane *,
u_int);
@@ -70,6 +72,8 @@ static void tty_default_attributes(struct tty *, const struct window_pane *,
#define tty_use_acs(tty) \
(tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
+#define tty_use_margin(tty) \
+ ((tty)->term_type == TTY_VT420)
#define tty_pane_full_width(tty, ctx) \
((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
@@ -110,7 +114,9 @@ tty_init(struct tty *tty, struct client *c, int fd, char *term)
tty->ccolour = xstrdup("");
tty->flags = 0;
+
tty->term_flags = 0;
+ tty->term_type = TTY_UNKNOWN;
return (0);
}
@@ -138,8 +144,8 @@ tty_resize(struct tty *tty)
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
- tty->rupper = UINT_MAX;
- tty->rlower = UINT_MAX;
+ tty->rupper = tty->rleft = UINT_MAX;
+ tty->rlower = tty->rright = UINT_MAX;
/*
* If the terminal has been started, reset the actual scroll region and
@@ -148,13 +154,15 @@ tty_resize(struct tty *tty)
if (tty->flags & TTY_STARTED) {
tty_cursor(tty, 0, 0);
tty_region(tty, 0, tty->sy - 1);
+ tty_margin(tty, 0, tty->sx - 1);
}
return (1);
}
int
-tty_set_size(struct tty *tty, u_int sx, u_int sy) {
+tty_set_size(struct tty *tty, u_int sx, u_int sy)
+{
if (sx == tty->sx && sy == tty->sy)
return (0);
tty->sx = sx;
@@ -248,13 +256,14 @@ tty_start_tty(struct tty *tty)
tty->flags |= TTY_FOCUS;
tty_puts(tty, "\033[?1004h");
}
+ tty_puts(tty, "\033[c");
}
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
- tty->rlower = UINT_MAX;
- tty->rupper = UINT_MAX;
+ tty->rupper = tty->rleft = UINT_MAX;
+ tty->rlower = tty->rright = UINT_MAX;
tty->mode = MODE_CURSOR;
@@ -315,6 +324,8 @@ tty_stop_tty(struct tty *tty)
}
}
+ if (tty_use_margin(tty))
+ tty_raw(tty, "\033[?69l"); /* DECLRMM */
tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
setblocking(tty->fd, 1);
@@ -353,6 +364,15 @@ tty_free(struct tty *tty)
}
void
+tty_set_type(struct tty *tty, int type)
+{
+ tty->term_type = type;
+
+ if (tty_use_margin(tty))
+ tty_puts(tty, "\033[?69h"); /* DECLRMM */
+}
+
+void
tty_raw(struct tty *tty, const char *s)
{
ssize_t n, slen;
@@ -835,6 +855,7 @@ tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
tty_default_attributes(tty, ctx->wp, ctx->bg);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
@@ -854,6 +875,7 @@ tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
tty_default_attributes(tty, ctx->wp, ctx->bg);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
@@ -930,6 +952,7 @@ tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
tty_attributes(tty, &grid_default_cell, ctx->wp);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
tty_putcode(tty, TTYC_RI);
@@ -943,7 +966,7 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
if (ctx->ocy != ctx->orlower)
return;
- if (!tty_pane_full_width(tty, ctx) ||
+ if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
tty_fake_bce(tty, wp, ctx->bg) ||
!tty_term_has(tty->term, TTYC_CSR)) {
if (tty_large_region(tty, ctx))
@@ -954,17 +977,30 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
}
/*
- * If this line wrapped naturally (ctx->num is nonzero), don't do
- * anything - the cursor can just be moved to the last cell and wrap
- * naturally.
+ * If this line wrapped naturally (ctx->num is nonzero) and we are not
+ * using margins, don't do anything - the cursor can just be moved
+ * to the last cell and wrap naturally.
*/
- if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
+ if (!tty_use_margin(tty) &&
+ ctx->num != 0 &&
+ !(tty->term->flags & TERM_EARLYWRAP)) {
return;
+ }
tty_attributes(tty, &grid_default_cell, wp);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
- tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
+ tty_margin_pane(tty, ctx);
+
+ /*
+ * If we want to wrap a pane, the cursor needs to be exactly on the
+ * right of the region. But if the pane isn't on the right, it may be
+ * off the edge - if so, move the cursor back to the right.
+ */
+ if (ctx->xoff + ctx->ocx > tty->rright)
+ tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
+ else
+ tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putc(tty, '\n');
}
@@ -979,6 +1015,7 @@ tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
tty_default_attributes(tty, wp, ctx->bg);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_pane_full_width(tty, ctx) &&
@@ -1014,6 +1051,7 @@ tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
tty_attributes(tty, &grid_default_cell, wp);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, 0, 0);
if (tty_pane_full_width(tty, ctx) &&
@@ -1043,6 +1081,7 @@ tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
tty_default_attributes(tty, wp, ctx->bg);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
+ tty_margin_pane(tty, ctx);
tty_cursor_pane(tty, ctx, 0, 0);
if (tty_pane_full_width(tty, ctx) &&
@@ -1073,6 +1112,7 @@ tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
tty_attributes(tty, &grid_default_cell, wp);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
+ tty_margin_pane(tty, ctx);
for (j = 0; j < screen_size_y(s); j++) {
tty_cursor_pane(tty, ctx, 0, j);
@@ -1090,6 +1130,7 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
if (ctx->ocy == ctx->orlower)
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
+ tty_margin_pane(tty, ctx);
/* Is the cursor in the very last position? */
width = ctx->cell->data.width;
@@ -1250,6 +1291,32 @@ tty_region(struct tty *tty, u_int rupper, u_int rlower)
tty_cursor(tty, 0, 0);
}
+/* Set margin inside pane. */
+static void
+tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
+{
+ tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
+}
+
+/* Set margin at absolute position. */
+void
+tty_margin(struct tty *tty, u_int rleft, u_int rright)
+{
+ char s[64];
+
+ if (!tty_use_margin(tty))
+ return;
+ if (tty->rleft == rleft && tty->rright == rright)
+ return;
+
+ tty->rleft = rleft;
+ tty->rright = rright;
+
+ snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
+ tty_puts(tty, s);
+ tty_cursor(tty, 0, 0);
+}
+
/* Move cursor inside pane. */
static void
tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
generated by cgit (git 2.34.1) at 2025-04-29 09:42:03 +0000