From ebeb14211d978d6dfdf7d49bc4de8ce23acb8698 Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Wed, 24 Oct 2007 15:29:29 +0000 Subject: [PATCH] Handle DSR for resize(1). --- CHANGES | 3 ++- input.c | 59 ++++++++++++++++++++++++++++++++++++++++++-------------- tmux.h | 18 ++++++++--------- window.c | 28 +++++---------------------- 4 files changed, 61 insertions(+), 47 deletions(-) diff --git a/CHANGES b/CHANGES index 754ed5f5..eea231b1 100644 --- a/CHANGES +++ b/CHANGES @@ -1,5 +1,6 @@ 24 October 2007 +* (nicm) Support for \e6n to request cursor position. resize(1) now works. * (nicm) Support for \e7, \e8 save/restore cursor and attribute sequences. Currently don't save mode (probably should). Also change some cases where out-of-bound values are ignored to limit them to within range (there are @@ -158,5 +159,5 @@ (including mutt, emacs). No status bar yet and no key remapping or other customisation. -$Id: CHANGES,v 1.49 2007-10-24 15:01:23 nicm Exp $ +$Id: CHANGES,v 1.50 2007-10-24 15:29:27 nicm Exp $ diff --git a/input.c b/input.c index ecda9035..a09237d8 100644 --- a/input.c +++ b/input.c @@ -1,4 +1,4 @@ -/* $Id: input.c,v 1.26 2007-10-24 15:01:25 nicm Exp $ */ +/* $Id: input.c,v 1.27 2007-10-24 15:29:28 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott @@ -73,6 +73,7 @@ void input_handle_sequence_sm(struct input_ctx *); void input_handle_sequence_rm(struct input_ctx *); void input_handle_sequence_decstbm(struct input_ctx *); void input_handle_sequence_sgr(struct input_ctx *); +void input_handle_sequence_dsr(struct input_ctx *); int input_new_argument(struct input_ctx *ictx) @@ -124,32 +125,35 @@ input_get_argument(struct input_ctx *ictx, u_int i, uint16_t *n, uint16_t d) } void -input_init(struct input_ctx *ictx, struct screen *s) +input_init(struct window *w) { - ictx->s = s; + ARRAY_INIT(&w->ictx.args); - ARRAY_INIT(&ictx->args); - - ictx->state = input_state_first; + w->ictx.state = input_state_first; } void -input_free(struct input_ctx *ictx) +input_free(struct window *w) { - ARRAY_FREE(&ictx->args); + ARRAY_FREE(&w->ictx.args); } void -input_parse(struct input_ctx *ictx, u_char *buf, size_t len, struct buffer *b) +input_parse(struct window *w, struct buffer *b) { - u_char ch; + struct input_ctx *ictx = &w->ictx; + u_char ch; - ictx->buf = buf; - ictx->len = len; + if (BUFFER_USED(w->in) == 0) + return; + + ictx->buf = BUFFER_OUT(w->in); + ictx->len = BUFFER_USED(w->in); ictx->off = 0; + ictx->w = w; + ictx->s = &w->screen; ictx->b = b; - ictx->flags = 0; log_debug2("entry; buffer=%zu", ictx->len); @@ -157,6 +161,8 @@ input_parse(struct input_ctx *ictx, u_char *buf, size_t len, struct buffer *b) ch = ictx->buf[ictx->off++]; ictx->state = ictx->state(ch, ictx); } + + buffer_remove(w->in, ictx->len); } void * @@ -389,7 +395,7 @@ input_handle_c0_control(u_char ch, struct input_ctx *ictx) ictx->s->cx = 0; break; case '\007': /* BELL */ - ictx->flags |= INPUT_BELL; + ictx->w->flags |= WINDOW_BELL; return; case '\010': /* BS */ if (ictx->s->cx > 0) @@ -493,6 +499,7 @@ input_handle_sequence(u_char ch, struct input_ctx *ictx) { 'h', input_handle_sequence_sm }, { 'l', input_handle_sequence_rm }, { 'm', input_handle_sequence_sgr }, + { 'n', input_handle_sequence_dsr }, { 'r', input_handle_sequence_decstbm }, }; u_int i; @@ -929,6 +936,30 @@ input_handle_sequence_rm(struct input_ctx *ictx) } } +void +input_handle_sequence_dsr(struct input_ctx *ictx) +{ + uint16_t n; + char reply[32]; + + if (ARRAY_LENGTH(&ictx->args) > 1) + return; + if (input_get_argument(ictx, 0, &n, 0) != 0) + return; + + if (ictx->private == '\0') { + switch (n) { + case 6: /* cursor position */ + xsnprintf(reply, sizeof reply, + "\033[%u;%uR", ictx->s->cy + 1, ictx->s->cx + 1); + log_debug("cursor request, reply: %s", reply); + buffer_write(ictx->w->out, reply, strlen(reply)); + break; + } + } + +} + void input_handle_sequence_decstbm(struct input_ctx *ictx) { diff --git a/tmux.h b/tmux.h index c4ad4dec..27838de8 100644 --- a/tmux.h +++ b/tmux.h @@ -1,4 +1,4 @@ -/* $Id: tmux.h,v 1.67 2007-10-24 15:01:25 nicm Exp $ */ +/* $Id: tmux.h,v 1.68 2007-10-24 15:29:28 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott @@ -368,15 +368,15 @@ struct input_arg { /* Input parser context. */ struct input_ctx { + struct window *w; + struct buffer *b; + struct screen *s; + u_char *buf; size_t len; size_t off; - int flags; -#define INPUT_BELL 0x1 - - struct buffer *b; - struct screen *s; + struct buffer *replyb; /* replies to information requests */ u_char title_buf[MAXTITLELEN]; size_t title_len; @@ -616,9 +616,9 @@ void status_write(struct client *c); void recalculate_sizes(void); /* input.c */ -void input_init(struct input_ctx *, struct screen *); -void input_free(struct input_ctx *); -void input_parse(struct input_ctx *, u_char *, size_t, struct buffer *); +void input_init(struct window *); +void input_free(struct window *); +void input_parse(struct window *, struct buffer *); uint8_t input_extract8(struct buffer *); uint16_t input_extract16(struct buffer *); void input_store8(struct buffer *, uint8_t); diff --git a/window.c b/window.c index 722f9d8a..9420dab1 100644 --- a/window.c +++ b/window.c @@ -1,4 +1,4 @@ -/* $Id: window.c,v 1.22 2007-10-24 11:30:02 nicm Exp $ */ +/* $Id: window.c,v 1.23 2007-10-24 15:29:29 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott @@ -101,7 +101,7 @@ window_create( w->in = buffer_create(BUFSIZ); w->out = buffer_create(BUFSIZ); screen_create(&w->screen, sx, sy); - input_init(&w->ictx, &w->screen); + input_init(w); if (name == NULL) { /* XXX */ @@ -182,7 +182,7 @@ window_destroy(struct window *w) { close(w->fd); - input_free(&w->ictx); + input_free(w); screen_destroy(&w->screen); @@ -303,27 +303,9 @@ window_key(struct window *w, int key) input_translate_key(w->out, key); } -/* - * Process window output. Output is translated into a series of escape - * sequences and strings and returned. - */ +/* Process output data from child process. */ void window_data(struct window *w, struct buffer *b) { - FILE *f; - - if (BUFFER_USED(w->in) == 0) - return; - - if (debug_level > 2) { - f = fopen("tmux-in.log", "a+"); - fwrite(BUFFER_OUT(w->in), BUFFER_USED(w->in), 1, f); - fclose(f); - } - - input_parse(&w->ictx, BUFFER_OUT(w->in), BUFFER_USED(w->in), b); - buffer_remove(w->in, BUFFER_USED(w->in)); - - if (INPUT_FLAGS(&w->ictx) & INPUT_BELL) - w->flags |= WINDOW_BELL; + input_parse(w, b); }