/* Functions related to terminal devices.
- Copyright (C) 2005-2012 Free Software Foundation, Inc.
+ Copyright (C) 2005-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
+
#include <stdio.h>
-#include <setjmp.h>
#include "lisp.h"
#include "frame.h"
/* The initial terminal device, created by initial_term_init. */
struct terminal *initial_terminal;
+static Lisp_Object Qterminal_live_p;
+
static void delete_initial_terminal (struct terminal *);
+/* This setter is used only in this file, so it can be private. */
+static void
+tset_param_alist (struct terminal *t, Lisp_Object val)
+{
+ t->param_alist = val;
+}
+
\f
void
/* Return the terminal object specified by TERMINAL. TERMINAL may be
a terminal object, a frame, or nil for the terminal device of the
- current frame. If THROW is zero, return NULL for failure,
+ current frame. If THROW is false, return NULL for failure,
otherwise throw an error. */
struct terminal *
-get_terminal (Lisp_Object terminal, int throw)
+get_terminal (Lisp_Object terminal, bool throw)
{
struct terminal *result = NULL;
return result;
}
-\f
-
-/* Create a new terminal object and add it to the terminal list. */
+/* Create a new terminal object of TYPE and add it to the terminal list. RIF
+ may be NULL if this terminal type doesn't support window-based redisplay. */
struct terminal *
-create_terminal (void)
+create_terminal (enum output_method type, struct redisplay_interface *rif)
{
struct terminal *terminal = allocate_terminal ();
Lisp_Object terminal_coding, keyboard_coding;
- terminal->name = NULL;
terminal->next_terminal = terminal_list;
terminal_list = terminal;
-
+ terminal->type = type;
+ terminal->rif = rif;
terminal->id = next_terminal_id++;
- terminal->keyboard_coding =
- (struct coding_system *) xmalloc (sizeof (struct coding_system));
- terminal->terminal_coding =
- (struct coding_system *) xmalloc (sizeof (struct coding_system));
+ terminal->keyboard_coding = xmalloc (sizeof (struct coding_system));
+ terminal->terminal_coding = xmalloc (sizeof (struct coding_system));
/* If default coding systems for the terminal and the keyboard are
already defined, use them in preference to the defaults. This is
setup_coding_system (keyboard_coding, terminal->keyboard_coding);
setup_coding_system (terminal_coding, terminal->terminal_coding);
- terminal->param_alist = Qnil;
- terminal->charset_list = Qnil;
- terminal->Vselection_alist = Qnil;
return terminal;
}
xfree (terminal->name);
terminal->name = NULL;
- /* Check for live frames that are still on this terminal. */
+ /* Check for live frames that are still on this terminal. */
FOR_EACH_FRAME (tail, frame)
{
struct frame *f = XFRAME (frame);
for (tp = &terminal_list; *tp != terminal; tp = &(*tp)->next_terminal)
if (! *tp)
- abort ();
+ emacs_abort ();
*tp = terminal->next_terminal;
xfree (terminal->keyboard_coding);
The terminal device is represented by its integer identifier. */)
(Lisp_Object frame)
{
- struct terminal *t;
-
- if (NILP (frame))
- frame = selected_frame;
-
- CHECK_LIVE_FRAME (frame);
-
- t = FRAME_TERMINAL (XFRAME (frame));
+ struct terminal *t = FRAME_TERMINAL (decode_live_frame (frame));
if (!t)
return Qnil;
return Qw32;
case output_msdos_raw:
return Qpc;
- case output_mac:
- return Qmac;
case output_ns:
return Qns;
default:
- abort ();
+ emacs_abort ();
}
}
Lisp_Object old_alist_elt = Fassq (parameter, t->param_alist);
if (EQ (old_alist_elt, Qnil))
{
- t->param_alist = Fcons (Fcons (parameter, value), t->param_alist);
+ tset_param_alist (t, Fcons (Fcons (parameter, value), t->param_alist));
return Qnil;
}
else
return store_terminal_param (t, parameter, value);
}
-\f
+/* Initial frame has no device-dependent output data, but has
+ face cache which should be freed when the frame is deleted. */
+
+static void
+initial_free_frame_resources (struct frame *f)
+{
+ eassert (FRAME_INITIAL_P (f));
+ free_frame_faces (f);
+}
/* Create the bootstrap display terminal for the initial frame.
Returns a terminal of type output_initial. */
init_initial_terminal (void)
{
if (initialized || terminal_list || tty_list)
- abort ();
+ emacs_abort ();
- initial_terminal = create_terminal ();
- initial_terminal->type = output_initial;
+ initial_terminal = create_terminal (output_initial, NULL);
initial_terminal->name = xstrdup ("initial_terminal");
initial_terminal->kboard = initial_kboard;
initial_terminal->delete_terminal_hook = &delete_initial_terminal;
- /* All other hooks are NULL. */
+ initial_terminal->delete_frame_hook = &initial_free_frame_resources;
+ /* Other hooks are NULL by default. */
return initial_terminal;
}
delete_initial_terminal (struct terminal *terminal)
{
if (terminal != initial_terminal)
- abort ();
+ emacs_abort ();
delete_terminal (terminal);
initial_terminal = NULL;
void
syms_of_terminal (void)
{
+#include "terminal.x"
DEFVAR_LISP ("ring-bell-function", Vring_bell_function,
doc: /* Non-nil means call this function to ring the bell.
This may be called just before actually deleting the terminal,
or some time later. */);
Vdelete_terminal_functions = Qnil;
+
+ DEFSYM (Qterminal_live_p, "terminal-live-p");
DEFSYM (Qdelete_terminal_functions, "delete-terminal-functions");
DEFSYM (Qrun_hook_with_args, "run-hook-with-args");
- defsubr (&Sdelete_terminal);
- defsubr (&Sframe_terminal);
- defsubr (&Sterminal_live_p);
- defsubr (&Sterminal_list);
- defsubr (&Sterminal_name);
- defsubr (&Sterminal_parameters);
- defsubr (&Sterminal_parameter);
- defsubr (&Sset_terminal_parameter);
-
Fprovide (intern_c_string ("multi-tty"), Qnil);
}
HCoop / bpt / emacs.git / blobdiff