/* Declarations useful when processing input.
- Copyright (C) 1985-1987, 1993, 2001-2015 Free Software Foundation,
+ Copyright (C) 1985-1987, 1993, 2001-2016 Free Software Foundation,
Inc.
This file is part of GNU Emacs.
GNU Emacs 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 3 of the License, or
-(at your option) any later version.
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#include "systime.h" /* for struct timespec, Time */
+#ifndef EMACS_KEYBOARD_H
+#define EMACS_KEYBOARD_H
+
#include "coding.h" /* for ENCODE_UTF_8 and ENCODE_SYSTEM */
#include "termhooks.h"
+#ifdef HAVE_X11
+# include "xterm.h" /* for struct selection_input_event */
+#endif
+
INLINE_HEADER_BEGIN
/* Most code should use this macro to access Lisp fields in struct kboard. */
-#define KVAR(kboard, field) ((kboard)->INTERNAL_FIELD (field))
+#define KVAR(kboard, field) ((kboard)->field ## _)
/* Each KBOARD represents one logical input stream from which Emacs
gets input. If we are using ordinary terminals, it has one KBOARD
can effectively wait for input in the any-kboard state, and hence
avoid blocking out the other KBOARDs. See universal-argument in
lisp/simple.el for an example. */
- Lisp_Object INTERNAL_FIELD (Voverriding_terminal_local_map);
+ Lisp_Object Voverriding_terminal_local_map_;
/* Last command executed by the editor command loop, not counting
commands that set the prefix argument. */
- Lisp_Object INTERNAL_FIELD (Vlast_command);
+ Lisp_Object Vlast_command_;
/* Normally same as last-command, but never modified by other commands. */
- Lisp_Object INTERNAL_FIELD (Vreal_last_command);
+ Lisp_Object Vreal_last_command_;
/* User-supplied table to translate input characters through. */
- Lisp_Object INTERNAL_FIELD (Vkeyboard_translate_table);
+ Lisp_Object Vkeyboard_translate_table_;
/* Last command that may be repeated by `repeat'. */
- Lisp_Object INTERNAL_FIELD (Vlast_repeatable_command);
+ Lisp_Object Vlast_repeatable_command_;
/* The prefix argument for the next command, in raw form. */
- Lisp_Object INTERNAL_FIELD (Vprefix_arg);
+ Lisp_Object Vprefix_arg_;
/* Saved prefix argument for the last command, in raw form. */
- Lisp_Object INTERNAL_FIELD (Vlast_prefix_arg);
+ Lisp_Object Vlast_prefix_arg_;
/* Unread events specific to this kboard. */
- Lisp_Object INTERNAL_FIELD (kbd_queue);
+ Lisp_Object kbd_queue_;
/* Non-nil while a kbd macro is being defined. */
- Lisp_Object INTERNAL_FIELD (defining_kbd_macro);
+ Lisp_Object defining_kbd_macro_;
/* The start of storage for the current keyboard macro. */
Lisp_Object *kbd_macro_buffer;
ptrdiff_t kbd_macro_bufsize;
/* Last anonymous kbd macro defined. */
- Lisp_Object INTERNAL_FIELD (Vlast_kbd_macro);
+ Lisp_Object Vlast_kbd_macro_;
/* Alist of system-specific X windows key symbols. */
- Lisp_Object INTERNAL_FIELD (Vsystem_key_alist);
+ Lisp_Object Vsystem_key_alist_;
/* Cache for modify_event_symbol. */
- Lisp_Object INTERNAL_FIELD (system_key_syms);
+ Lisp_Object system_key_syms_;
/* The kind of display: x, w32, ... */
- Lisp_Object INTERNAL_FIELD (Vwindow_system);
+ Lisp_Object Vwindow_system_;
/* Keymap mapping keys to alternative preferred forms.
See the DEFVAR for more documentation. */
- Lisp_Object INTERNAL_FIELD (Vlocal_function_key_map);
+ Lisp_Object Vlocal_function_key_map_;
/* Keymap mapping ASCII function key sequences onto their preferred
forms. Initialized by the terminal-specific lisp files. See the
DEFVAR for more documentation. */
- Lisp_Object INTERNAL_FIELD (Vinput_decode_map);
+ Lisp_Object Vinput_decode_map_;
/* Minibufferless frames on this display use this frame's minibuffer. */
- Lisp_Object INTERNAL_FIELD (Vdefault_minibuffer_frame);
+ Lisp_Object Vdefault_minibuffer_frame_;
/* Number of displays using this KBOARD. Normally 1, but can be
larger when you have multiple screens on a single X display. */
/* The text we're echoing in the modeline - partial key sequences,
usually. This is nil when not echoing. */
- Lisp_Object INTERNAL_FIELD (echo_string);
+ Lisp_Object echo_string_;
/* This flag indicates that events were put into kbd_queue
while Emacs was running for some other KBOARD.
kbd_queue_has_data is 0. When we push back an incomplete
command, then this flag is 0, meaning we don't want to try
reading from this KBOARD again until more input arrives. */
- char kbd_queue_has_data;
+ bool_bf kbd_queue_has_data;
/* True means echo each character as typed. */
bool_bf immediate_echo : 1;
- /* If we have echoed a prompt string specified by the user,
- this is its length in characters. Otherwise this is -1. */
- ptrdiff_t echo_after_prompt;
+ /* If we have a prompt string specified by the user, this is it. */
+ Lisp_Object echo_prompt_;
};
INLINE void
kset_default_minibuffer_frame (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vdefault_minibuffer_frame) = val;
+ kb->Vdefault_minibuffer_frame_ = val;
}
INLINE void
kset_defining_kbd_macro (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (defining_kbd_macro) = val;
+ kb->defining_kbd_macro_ = val;
}
INLINE void
kset_input_decode_map (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vinput_decode_map) = val;
+ kb->Vinput_decode_map_ = val;
}
INLINE void
kset_last_command (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vlast_command) = val;
+ kb->Vlast_command_ = val;
}
INLINE void
kset_last_kbd_macro (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vlast_kbd_macro) = val;
+ kb->Vlast_kbd_macro_ = val;
}
INLINE void
kset_prefix_arg (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vprefix_arg) = val;
+ kb->Vprefix_arg_ = val;
}
INLINE void
kset_system_key_alist (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vsystem_key_alist) = val;
+ kb->Vsystem_key_alist_ = val;
}
INLINE void
kset_window_system (struct kboard *kb, Lisp_Object val)
{
- kb->INTERNAL_FIELD (Vwindow_system) = val;
+ kb->Vwindow_system_ = val;
}
+union buffered_input_event
+{
+ ENUM_BF (event_kind) kind : EVENT_KIND_WIDTH;
+ struct input_event ie;
+#ifdef HAVE_X11
+ struct selection_input_event sie;
+#endif
+};
+
/* Temporarily used before a frame has been opened. */
extern KBOARD *initial_kboard;
/* Total number of times read_char has returned, modulo UINTMAX_MAX + 1. */
extern uintmax_t num_input_events;
+/* The location of point immediately before the last command was
+ executed, or the last time the undo-boundary command added a
+ boundary.*/
+extern ptrdiff_t point_before_last_command_or_undo;
+
+/* The value of current_buffer immediately before the last command was
+ executed, or the last time the undo-boundary command added a
+ boundary.*/
+extern struct buffer *buffer_before_last_command_or_undo;
+
+extern struct buffer *prev_buffer;
+
/* Nonzero means polling for input is temporarily suppressed. */
extern int poll_suppress_count;
extern void swallow_events (bool);
extern bool lucid_event_type_list_p (Lisp_Object);
extern void kbd_buffer_store_event (struct input_event *);
-extern void kbd_buffer_store_event_hold (struct input_event *,
- struct input_event *);
-extern void kbd_buffer_unget_event (struct input_event *);
+extern void kbd_buffer_store_buffered_event (union buffered_input_event *,
+ struct input_event *);
+INLINE void
+kbd_buffer_store_event_hold (struct input_event *event,
+ struct input_event *hold_quit)
+{
+ verify (alignof (struct input_event) == alignof (union buffered_input_event)
+ && sizeof (struct input_event) == sizeof (union buffered_input_event));
+ kbd_buffer_store_buffered_event ((union buffered_input_event *) event,
+ hold_quit);
+}
+#ifdef HAVE_X11
+extern void kbd_buffer_unget_event (struct selection_input_event *);
+#endif
extern void poll_for_input_1 (void);
extern void show_help_echo (Lisp_Object, Lisp_Object, Lisp_Object,
Lisp_Object);
#endif
INLINE_HEADER_END
+
+#endif /* EMACS_KEYBOARD_H */