Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14877 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 146 insertions, 0 deletions

diff --git a/texinfo/info/session.h b/texinfo/info/session.h
new file mode 100644
index 00000000000..98b8ccf695f
--- /dev/null
+++ b/texinfo/info/session.h
@@ -0,0 +1,146 @@
+/* session.h -- Functions found in session.c. */
+
+/* This file is part of GNU Info, a program for reading online documentation
+   stored in Info format.
+
+   Copyright (C) 1993 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Written by Brian Fox (bfox@ai.mit.edu). */
+
+#if !defined (_SESSION_H_)
+#define _SESSION_H_
+
+#include "general.h"
+#include "dribble.h"
+
+/* All commands that can be invoked from within info_session () receive
+   arguments in the same way.  This simple define declares the header
+   of a function named NAME, with associated documentation DOC.  The
+   documentation string is groveled out of the source files by the
+   utility program `makedoc', which is also responsible for making
+   the documentation/function-pointer maps. */
+#define DECLARE_INFO_COMMAND(name, doc) \
+void name (window, count, key) WINDOW *window; int count; unsigned char key;
+
+/* Variables found in session.h. */
+extern VFunction *info_last_executed_command;
+
+/* Variable controlling the garbage collection of files briefly visited
+   during searches.  Such files are normally gc'ed, unless they were
+   compressed to begin with.  If this variable is non-zero, it says
+   to gc even those file buffer contents which had to be uncompressed. */
+extern int gc_compressed_files;
+
+/* When non-zero, tiling takes place automatically when info_split_window
+   is called. */
+extern int auto_tiling_p;
+
+/* Variable controlling the behaviour of default scrolling when you are
+   already at the bottom of a node. */
+extern int info_scroll_behaviour;
+extern char *info_scroll_choices[];
+
+/* Values for info_scroll_behaviour. */
+#define IS_Continuous 0	/* Try to get first menu item, or failing that, the
+			   "Next:" pointer, or failing that, the "Up:" and
+			   "Next:" of the up. */
+#define IS_NextOnly   1 /* Try to get "Next:" menu item. */
+#define IS_PageOnly   2	/* Simply give up at the bottom of a node. */
+
+/* Utility functions found in session.c */
+extern void info_dispatch_on_key ();
+extern unsigned char info_get_input_char (), info_get_another_input_char ();
+extern unsigned char info_input_pending_p ();
+extern void remember_window_and_node (), set_remembered_pagetop_and_point ();
+extern void set_window_pagetop (), info_set_node_of_window ();
+extern char *pretty_keyseq ();
+extern void initialize_keyseq (), add_char_to_keyseq ();
+extern void info_gather_typeahead ();
+extern FILE_BUFFER *file_buffer_of_window ();
+extern long info_search_in_node (), info_target_search_node ();
+extern void info_select_reference ();
+extern int info_any_buffered_input_p ();
+extern void print_node ();
+extern void dump_node_to_file (), dump_nodes_to_file ();
+
+/* Do the physical deletion of WINDOW, and forget this window and
+   associated nodes. */
+extern void info_delete_window_internal ();
+
+/* Tell Info that input is coming from the file FILENAME. */
+extern void info_set_input_from_file ();
+
+#define return_if_control_g(val) \
+  do { \
+    info_gather_typeahead (); \
+    if (info_input_pending_p () == Control ('g')) \
+      return (val); \
+  } while (0)
+
+/* The names of the functions that run an info session. */
+
+/* Starting an info session. */
+extern void begin_multiple_window_info_session (), begin_info_session ();
+extern void begin_info_session_with_error (), info_session ();
+extern void info_read_and_dispatch ();
+
+/* Moving the point within a node. */
+extern void info_next_line (), info_prev_line ();
+extern void info_end_of_line (), info_beginning_of_line ();
+extern void info_forward_char (), info_backward_char ();
+extern void info_forward_word (), info_backward_word ();
+extern void info_beginning_of_node (), info_end_of_node ();
+extern void info_move_to_prev_xref (), info_move_to_next_xref ();
+
+/* Scrolling text within a window. */
+extern void info_scroll_forward (), info_scroll_backward ();
+extern void info_redraw_display (), info_toggle_wrap ();
+extern void info_move_to_window_line ();
+
+/* Manipulating multiple windows. */
+extern void info_split_window (), info_delete_window ();
+extern void info_keep_one_window (), info_grow_window ();
+extern void info_scroll_other_window (), info_tile_windows ();
+extern void info_next_window (), info_prev_window ();
+
+/* Selecting nodes. */
+extern void info_next_node (), info_prev_node (), info_up_node ();
+extern void info_last_node (), info_first_node (), info_history_node ();
+extern void info_goto_node (), info_top_node (), info_dir_node ();
+extern void info_global_next_node (), info_global_prev_node ();
+extern void info_kill_node (), info_view_file ();
+
+/* Selecting cross references. */
+extern void info_menu_digit (), info_menu_item (), info_xref_item ();
+extern void info_find_menu (), info_select_reference_this_line ();
+
+/* Hacking numeric arguments. */
+extern int info_explicit_arg, info_numeric_arg, info_numeric_arg_sign;
+
+extern void info_add_digit_to_numeric_arg (), info_universal_argument ();
+extern void info_initialize_numeric_arg (), info_numeric_arg_digit_loop ();
+
+/* Searching commands. */
+extern void info_search (), isearch_forward (), isearch_backward ();
+
+/* Dumping and printing nodes. */
+extern void info_print_node ();
+
+/* Miscellaneous commands. */
+extern void info_abort_key (), info_quit (), info_do_lowercase_version ();
+
+#endif /* _SESSION_H_ */