Commit | Line | Data |
---|---|---|
284f4730 | 1 | /* Declarations useful when processing input. |
acaf905b | 2 | Copyright (C) 1985-1987, 1993, 2001-2012 Free Software Foundation, Inc. |
284f4730 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
284f4730 | 7 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
284f4730 JB |
10 | |
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
284f4730 | 18 | |
08dc5ae6 | 19 | #include "systime.h" /* for EMACS_TIME, Time */ |
fc0bdb33 | 20 | #include "coding.h" /* for ENCODE_UTF_8 and ENCODE_SYSTEM */ |
4392dfe3 | 21 | |
15dbb4d6 PE |
22 | INLINE_HEADER_BEGIN |
23 | #ifndef KEYBOARD_INLINE | |
24 | # define KEYBOARD_INLINE INLINE | |
25 | #endif | |
26 | ||
e34f7f79 | 27 | /* Most code should use this macro to access Lisp fields in struct kboard. */ |
1344aad4 | 28 | |
e34f7f79 | 29 | #define KVAR(kboard, field) ((kboard)->INTERNAL_FIELD (field)) |
1344aad4 | 30 | |
6ed8eeff KL |
31 | /* Each KBOARD represents one logical input stream from which Emacs |
32 | gets input. If we are using ordinary terminals, it has one KBOARD | |
33 | object for each terminal device. | |
931e7866 RS |
34 | Usually each X display screen has its own KBOARD, |
35 | but when two of them are on the same X server, | |
36 | we assume they share a keyboard and give them one KBOARD in common. | |
37 | ||
38 | Some Lisp variables are per-kboard; they are stored in the KBOARD structure | |
39 | and accessed indirectly via a Lisp_Misc_Kboard_Objfwd object. | |
40 | ||
41 | So that definition of keyboard macros, and reading of prefix arguments, | |
42 | can happen in parallel on various KBOARDs at once, | |
43 | the state information for those activities is stored in the KBOARD. | |
44 | ||
45 | Emacs has two states for reading input: | |
46 | ||
47 | ** Any kboard. Emacs can accept input from any KBOARD, | |
48 | and as soon as any of them provides a complete command, Emacs can run it. | |
49 | ||
50 | ** Single kboard. Then Emacs is running a command for one KBOARD | |
51 | and can only read input from that KBOARD. | |
52 | ||
53 | All input, from all KBOARDs, goes together in a single event queue | |
54 | at interrupt level. read_char sees the events sequentially, | |
55 | but deals with them in accord with the current input state. | |
56 | ||
57 | In the any-kboard state, read_key_sequence processes input from any KBOARD | |
58 | immediately. When a new event comes in from a particular KBOARD, | |
59 | read_key_sequence switches to that KBOARD. As a result, | |
60 | as soon as a complete key arrives from some KBOARD or other, | |
61 | Emacs starts executing that key's binding. It switches to the | |
62 | single-kboard state for the execution of that command, | |
63 | so that that command can get input only from its own KBOARD. | |
64 | ||
65 | While in the single-kboard state, read_char can consider input only | |
66 | from the current KBOARD. If events come from other KBOARDs, they | |
67 | are put aside for later in the KBOARDs' kbd_queue lists. | |
68 | The flag kbd_queue_has_data in a KBOARD is 1 if this has happened. | |
df631feb | 69 | When Emacs goes back to the any-kboard state, it looks at all the KBOARDs |
931e7866 RS |
70 | to find those; and it tries processing their input right away. */ |
71 | ||
72 | typedef struct kboard KBOARD; | |
73 | struct kboard | |
74 | { | |
75 | KBOARD *next_kboard; | |
76 | ||
063c96e6 KH |
77 | /* If non-nil, a keymap that overrides all others but applies only to |
78 | this KBOARD. Lisp code that uses this instead of calling read-char | |
79 | can effectively wait for input in the any-kboard state, and hence | |
80 | avoid blocking out the other KBOARDs. See universal-argument in | |
81 | lisp/simple.el for an example. */ | |
e34f7f79 | 82 | Lisp_Object INTERNAL_FIELD (Voverriding_terminal_local_map); |
063c96e6 | 83 | |
334a398c KH |
84 | /* Last command executed by the editor command loop, not counting |
85 | commands that set the prefix argument. */ | |
e34f7f79 | 86 | Lisp_Object INTERNAL_FIELD (Vlast_command); |
334a398c | 87 | |
70b8d0a4 | 88 | /* Normally same as last-command, but never modified by other commands. */ |
e34f7f79 | 89 | Lisp_Object INTERNAL_FIELD (Vreal_last_command); |
d94a2d9a | 90 | |
2e478293 | 91 | /* User-supplied table to translate input characters through. */ |
e34f7f79 | 92 | Lisp_Object INTERNAL_FIELD (Vkeyboard_translate_table); |
a053e86c | 93 | |
d2ff5d50 | 94 | /* Last command that may be repeated by `repeat'. */ |
e34f7f79 | 95 | Lisp_Object INTERNAL_FIELD (Vlast_repeatable_command); |
d2ff5d50 | 96 | |
7e926407 | 97 | /* The prefix argument for the next command, in raw form. */ |
e34f7f79 | 98 | Lisp_Object INTERNAL_FIELD (Vprefix_arg); |
d94a2d9a RS |
99 | |
100 | /* Saved prefix argument for the last command, in raw form. */ | |
e34f7f79 | 101 | Lisp_Object INTERNAL_FIELD (Vlast_prefix_arg); |
931e7866 RS |
102 | |
103 | /* Unread events specific to this kboard. */ | |
e34f7f79 | 104 | Lisp_Object INTERNAL_FIELD (kbd_queue); |
931e7866 RS |
105 | |
106 | /* Non-nil while a kbd macro is being defined. */ | |
e34f7f79 | 107 | Lisp_Object INTERNAL_FIELD (defining_kbd_macro); |
931e7866 RS |
108 | |
109 | /* The start of storage for the current keyboard macro. */ | |
110 | Lisp_Object *kbd_macro_buffer; | |
111 | ||
112 | /* Where to store the next keystroke of the macro. */ | |
113 | Lisp_Object *kbd_macro_ptr; | |
114 | ||
115 | /* The finalized section of the macro starts at kbd_macro_buffer and | |
116 | ends before this. This is not the same as kbd_macro_ptr, because | |
117 | we advance this to kbd_macro_ptr when a key's command is complete. | |
118 | This way, the keystrokes for "end-kbd-macro" are not included in the | |
70564478 EZ |
119 | macro. This also allows us to throw away the events added to the |
120 | macro by the last command: all the events between kbd_macro_end and | |
121 | kbd_macro_ptr belong to the last command; see | |
122 | cancel-kbd-macro-events. */ | |
931e7866 RS |
123 | Lisp_Object *kbd_macro_end; |
124 | ||
125 | /* Allocated size of kbd_macro_buffer. */ | |
6d84508d | 126 | ptrdiff_t kbd_macro_bufsize; |
931e7866 RS |
127 | |
128 | /* Last anonymous kbd macro defined. */ | |
e34f7f79 | 129 | Lisp_Object INTERNAL_FIELD (Vlast_kbd_macro); |
931e7866 | 130 | |
be2f0083 | 131 | /* Alist of system-specific X windows key symbols. */ |
e34f7f79 | 132 | Lisp_Object INTERNAL_FIELD (Vsystem_key_alist); |
be2f0083 | 133 | |
8955bab8 | 134 | /* Cache for modify_event_symbol. */ |
e34f7f79 | 135 | Lisp_Object INTERNAL_FIELD (system_key_syms); |
8955bab8 | 136 | |
70b8d0a4 | 137 | /* The kind of display: x, w32, ... */ |
e34f7f79 | 138 | Lisp_Object INTERNAL_FIELD (Vwindow_system); |
70b8d0a4 | 139 | |
4f4a84ec SM |
140 | /* Keymap mapping keys to alternative preferred forms. |
141 | See the DEFVAR for more documentation. */ | |
e34f7f79 | 142 | Lisp_Object INTERNAL_FIELD (Vlocal_function_key_map); |
a053e86c | 143 | |
4f4a84ec SM |
144 | /* Keymap mapping ASCII function key sequences onto their preferred |
145 | forms. Initialized by the terminal-specific lisp files. See the | |
146 | DEFVAR for more documentation. */ | |
e34f7f79 | 147 | Lisp_Object INTERNAL_FIELD (Vinput_decode_map); |
a053e86c | 148 | |
2db45b7b | 149 | /* Minibufferless frames on this display use this frame's minibuffer. */ |
e34f7f79 | 150 | Lisp_Object INTERNAL_FIELD (Vdefault_minibuffer_frame); |
2db45b7b | 151 | |
931e7866 RS |
152 | /* Number of displays using this KBOARD. Normally 1, but can be |
153 | larger when you have multiple screens on a single X display. */ | |
154 | int reference_count; | |
155 | ||
931e7866 | 156 | /* The text we're echoing in the modeline - partial key sequences, |
a35bdffa | 157 | usually. This is nil when not echoing. */ |
e34f7f79 | 158 | Lisp_Object INTERNAL_FIELD (echo_string); |
931e7866 RS |
159 | |
160 | /* This flag indicates that events were put into kbd_queue | |
161 | while Emacs was running for some other KBOARD. | |
162 | The flag means that, when Emacs goes into the any-kboard state again, | |
163 | it should check this KBOARD to see if there is a complete command | |
164 | waiting. | |
165 | ||
166 | Note that the kbd_queue field can be non-nil even when | |
167 | kbd_queue_has_data is 0. When we push back an incomplete | |
168 | command, then this flag is 0, meaning we don't want to try | |
169 | reading from this KBOARD again until more input arrives. */ | |
170 | char kbd_queue_has_data; | |
171 | ||
9fa1de30 PE |
172 | /* True means echo each character as typed. */ |
173 | unsigned immediate_echo : 1; | |
931e7866 RS |
174 | |
175 | /* If we have echoed a prompt string specified by the user, | |
a35bdffa | 176 | this is its length in characters. Otherwise this is -1. */ |
9fa1de30 | 177 | ptrdiff_t echo_after_prompt; |
931e7866 RS |
178 | }; |
179 | ||
15dbb4d6 PE |
180 | KEYBOARD_INLINE void |
181 | kset_default_minibuffer_frame (struct kboard *kb, Lisp_Object val) | |
182 | { | |
183 | kb->INTERNAL_FIELD (Vdefault_minibuffer_frame) = val; | |
184 | } | |
185 | KEYBOARD_INLINE void | |
186 | kset_defining_kbd_macro (struct kboard *kb, Lisp_Object val) | |
187 | { | |
188 | kb->INTERNAL_FIELD (defining_kbd_macro) = val; | |
189 | } | |
190 | KEYBOARD_INLINE void | |
191 | kset_input_decode_map (struct kboard *kb, Lisp_Object val) | |
192 | { | |
193 | kb->INTERNAL_FIELD (Vinput_decode_map) = val; | |
194 | } | |
195 | KEYBOARD_INLINE void | |
196 | kset_last_command (struct kboard *kb, Lisp_Object val) | |
197 | { | |
198 | kb->INTERNAL_FIELD (Vlast_command) = val; | |
199 | } | |
200 | KEYBOARD_INLINE void | |
201 | kset_last_kbd_macro (struct kboard *kb, Lisp_Object val) | |
202 | { | |
203 | kb->INTERNAL_FIELD (Vlast_kbd_macro) = val; | |
204 | } | |
205 | KEYBOARD_INLINE void | |
206 | kset_prefix_arg (struct kboard *kb, Lisp_Object val) | |
207 | { | |
208 | kb->INTERNAL_FIELD (Vprefix_arg) = val; | |
209 | } | |
210 | KEYBOARD_INLINE void | |
211 | kset_system_key_alist (struct kboard *kb, Lisp_Object val) | |
212 | { | |
213 | kb->INTERNAL_FIELD (Vsystem_key_alist) = val; | |
214 | } | |
215 | KEYBOARD_INLINE void | |
216 | kset_window_system (struct kboard *kb, Lisp_Object val) | |
217 | { | |
218 | kb->INTERNAL_FIELD (Vwindow_system) = val; | |
219 | } | |
220 | ||
7b00d185 | 221 | /* Temporarily used before a frame has been opened. */ |
931e7866 RS |
222 | extern KBOARD *initial_kboard; |
223 | ||
224 | /* In the single-kboard state, this is the kboard | |
225 | from which input is accepted. | |
226 | ||
227 | In the any-kboard state, this is the kboard from which we are | |
228 | right now considering input. We can consider input from another | |
229 | kboard, but doing so requires throwing to wrong_kboard_jmpbuf. */ | |
230 | extern KBOARD *current_kboard; | |
231 | ||
232 | /* A list of all kboard objects, linked through next_kboard. */ | |
233 | extern KBOARD *all_kboards; | |
931e7866 | 234 | \f |
3300e6fd PE |
235 | /* Total number of times read_char has returned, modulo UINTMAX_MAX + 1. */ |
236 | extern uintmax_t num_input_events; | |
284f4730 | 237 | |
eb8c3be9 | 238 | /* Nonzero means polling for input is temporarily suppressed. */ |
284f4730 JB |
239 | extern int poll_suppress_count; |
240 | ||
49fcd3de JB |
241 | /* Vector holding the key sequence that invoked the current command. |
242 | It is reused for each command, and it may be longer than the current | |
243 | sequence; this_command_key_count indicates how many elements | |
244 | actually mean something. */ | |
245 | extern Lisp_Object this_command_keys; | |
d311d28c | 246 | extern ptrdiff_t this_command_key_count; |
6084b314 | 247 | |
fd2777e0 JB |
248 | /* The frame in which the last input event occurred, or Qmacro if the |
249 | last event came from a macro. We use this to determine when to | |
250 | generate switch-frame events. This may be cleared by functions | |
251 | like Fselect_frame, to make sure that a switch-frame event is | |
252 | generated by the next character. */ | |
9e6314a4 | 253 | extern Lisp_Object internal_last_event_frame; |
284f4730 | 254 | \f |
fc0bdb33 CY |
255 | extern Lisp_Object Qrecompute_lucid_menubar, Qactivate_menubar_hook; |
256 | ||
0340dc60 RS |
257 | /* This holds a Lisp vector that holds the properties of a single |
258 | menu item while decoding it in parse_menu_item. | |
259 | Using a Lisp vector to hold this information while we decode it | |
260 | takes care of protecting all the data from GC. */ | |
261 | extern Lisp_Object item_properties; | |
177c0ea7 | 262 | |
0340dc60 RS |
263 | /* This describes the elements of item_properties. |
264 | The first element is not a property, it is a pointer to the item properties | |
265 | that is saved for GC protection. */ | |
266 | #define ITEM_PROPERTY_ITEM 0 | |
267 | /* The item string. */ | |
268 | #define ITEM_PROPERTY_NAME 1 | |
df631feb | 269 | /* Start of initialize to nil */ |
0340dc60 RS |
270 | /* The binding: nil, a command or a keymap. */ |
271 | #define ITEM_PROPERTY_DEF 2 | |
272 | /* The keymap if the binding is a keymap, otherwise nil. */ | |
273 | #define ITEM_PROPERTY_MAP 3 | |
274 | /* Nil, :radio or :toggle. */ | |
275 | #define ITEM_PROPERTY_TYPE 4 | |
276 | /* Nil or a string describing an equivalent key binding. */ | |
277 | #define ITEM_PROPERTY_KEYEQ 5 | |
278 | /* Not nil if a selected toggle box or radio button, otherwise nil. */ | |
279 | #define ITEM_PROPERTY_SELECTED 6 | |
280 | /* Place for a help string. Not yet used. */ | |
281 | #define ITEM_PROPERTY_HELP 7 | |
df631feb | 282 | /* Start of initialize to t */ |
0340dc60 RS |
283 | /* Last property. */ |
284 | /* Not nil if item is enabled. */ | |
285 | #define ITEM_PROPERTY_ENABLE 8 | |
fc0bdb33 | 286 | |
fc0bdb33 CY |
287 | /* This holds a Lisp vector that holds the results of decoding |
288 | the keymaps or alist-of-alists that specify a menu. | |
289 | ||
290 | It describes the panes and items within the panes. | |
291 | ||
292 | Each pane is described by 3 elements in the vector: | |
293 | t, the pane name, the pane's prefix key. | |
294 | Then follow the pane's items, with 5 elements per item: | |
295 | the item string, the enable flag, the item's value, | |
296 | the definition, and the equivalent keyboard key's description string. | |
297 | ||
298 | In some cases, multiple levels of menus may be described. | |
299 | A single vector slot containing nil indicates the start of a submenu. | |
300 | A single vector slot containing lambda indicates the end of a submenu. | |
301 | The submenu follows a menu item which is the way to reach the submenu. | |
302 | ||
303 | A single vector slot containing quote indicates that the | |
304 | following items should appear on the right of a dialog box. | |
305 | ||
306 | Using a Lisp vector to hold this information while we decode it | |
307 | takes care of protecting all the data from GC. */ | |
308 | extern Lisp_Object menu_items; | |
309 | ||
310 | /* If non-nil, means that the global vars defined here are already in use. | |
311 | Used to detect cases where we try to re-enter this non-reentrant code. */ | |
4475bec4 | 312 | #if defined USE_GTK || defined USE_MOTIF |
fc0bdb33 | 313 | extern Lisp_Object menu_items_inuse; |
4475bec4 | 314 | #endif |
fc0bdb33 CY |
315 | |
316 | /* Number of slots currently allocated in menu_items. */ | |
317 | extern int menu_items_allocated; | |
318 | ||
319 | /* This is the index in menu_items of the first empty slot. */ | |
320 | extern int menu_items_used; | |
321 | ||
322 | /* The number of panes currently recorded in menu_items, | |
323 | excluding those within submenus. */ | |
324 | extern int menu_items_n_panes; | |
325 | ||
326 | #define MENU_ITEMS_PANE_NAME 1 | |
327 | #define MENU_ITEMS_PANE_PREFIX 2 | |
328 | #define MENU_ITEMS_PANE_LENGTH 3 | |
329 | ||
330 | enum menu_item_idx | |
331 | { | |
332 | MENU_ITEMS_ITEM_NAME = 0, | |
333 | MENU_ITEMS_ITEM_ENABLE, | |
334 | MENU_ITEMS_ITEM_VALUE, | |
335 | MENU_ITEMS_ITEM_EQUIV_KEY, | |
336 | MENU_ITEMS_ITEM_DEFINITION, | |
337 | MENU_ITEMS_ITEM_TYPE, | |
338 | MENU_ITEMS_ITEM_SELECTED, | |
339 | MENU_ITEMS_ITEM_HELP, | |
340 | MENU_ITEMS_ITEM_LENGTH | |
341 | }; | |
342 | ||
383e0970 | 343 | extern Lisp_Object unuse_menu_items (Lisp_Object dummy); |
fc0bdb33 CY |
344 | |
345 | /* This is how to deal with multibyte text if HAVE_MULTILINGUAL_MENU | |
346 | isn't defined. The use of HAVE_MULTILINGUAL_MENU could probably be | |
347 | confined to an extended version of this with sections of code below | |
348 | using it unconditionally. */ | |
01ef9d36 | 349 | #ifndef HAVE_NTGUI |
edfda783 | 350 | #if defined (USE_GTK) || defined (HAVE_NS) |
fc0bdb33 CY |
351 | # define ENCODE_MENU_STRING(str) ENCODE_UTF_8 (str) |
352 | #elif defined HAVE_X_I18N | |
353 | #define ENCODE_MENU_STRING(str) ENCODE_SYSTEM (str) | |
354 | #else | |
355 | #define ENCODE_MENU_STRING(str) string_make_unibyte (str) | |
356 | #endif /* USE_GTK */ | |
01ef9d36 | 357 | #else /* HAVE_NTGUI */ |
fc0bdb33 CY |
358 | #define ENCODE_MENU_STRING(str) (str) |
359 | #endif | |
edfda783 | 360 | |
42ca4633 | 361 | #if defined (HAVE_NS) || defined (HAVE_NTGUI) || defined (USE_GTK) |
edfda783 AR |
362 | |
363 | /* Definitions copied from lwlib.h */ | |
364 | ||
365 | enum button_type | |
366 | { | |
367 | BUTTON_TYPE_NONE, | |
368 | BUTTON_TYPE_TOGGLE, | |
369 | BUTTON_TYPE_RADIO | |
370 | }; | |
371 | ||
372 | /* This structure is based on the one in ../lwlib/lwlib.h, with unused portions | |
373 | removed. No term uses these. */ | |
374 | typedef struct _widget_value | |
375 | { | |
376 | /* name of widget */ | |
377 | Lisp_Object lname; | |
9c5bd55a | 378 | const char* name; |
edfda783 | 379 | /* value (meaning depend on widget type) */ |
9c5bd55a | 380 | const char* value; |
edfda783 AR |
381 | /* keyboard equivalent. no implications for XtTranslations */ |
382 | Lisp_Object lkey; | |
9c5bd55a | 383 | const char* key; |
edfda783 AR |
384 | /* Help string or nil if none. |
385 | GC finds this string through the frame's menu_bar_vector | |
386 | or through menu_items. */ | |
387 | Lisp_Object help; | |
388 | /* true if enabled */ | |
42ca4633 | 389 | unsigned char enabled; |
edfda783 | 390 | /* true if selected */ |
42ca4633 | 391 | unsigned char selected; |
edfda783 AR |
392 | /* The type of a button. */ |
393 | enum button_type button_type; | |
394 | #if defined (HAVE_NTGUI) | |
395 | /* true if menu title */ | |
42ca4633 | 396 | unsigned char title; |
edfda783 AR |
397 | #endif |
398 | /* Contents of the sub-widgets, also selected slot for checkbox */ | |
399 | struct _widget_value* contents; | |
400 | /* data passed to callback */ | |
42ca4633 | 401 | void *call_data; |
edfda783 AR |
402 | /* next one in the list */ |
403 | struct _widget_value* next; | |
42ca4633 J |
404 | #ifdef USE_GTK |
405 | struct _widget_value *free_list; | |
406 | #endif | |
edfda783 | 407 | } widget_value; |
edfda783 | 408 | |
14145fa3 | 409 | #endif /* HAVE_NS || HAVE_NTGUI */ |
15034960 | 410 | |
0340dc60 | 411 | \f |
284f4730 JB |
412 | /* Macros for dealing with lispy events. */ |
413 | ||
e0f24100 | 414 | /* True if EVENT has data fields describing it (i.e. a mouse click). */ |
4a2fb8bd | 415 | #define EVENT_HAS_PARAMETERS(event) (CONSP (event)) |
284f4730 | 416 | |
53ce28d6 JB |
417 | /* Extract the head from an event. |
418 | This works on composite and simple events. */ | |
ac501cd9 | 419 | #define EVENT_HEAD(event) \ |
3331fb06 | 420 | (EVENT_HAS_PARAMETERS (event) ? XCAR (event) : (event)) |
ac501cd9 | 421 | |
53ce28d6 | 422 | /* Extract the starting and ending positions from a composite event. */ |
3331fb06 KR |
423 | #define EVENT_START(event) (XCAR (XCDR (event))) |
424 | #define EVENT_END(event) (XCAR (XCDR (XCDR (event)))) | |
ac501cd9 | 425 | |
6765e5b0 | 426 | /* Extract the click count from a multi-click event. */ |
1365f343 | 427 | #define EVENT_CLICK_COUNT(event) (Fnth (make_number (2), (event))) |
6765e5b0 | 428 | |
53ce28d6 | 429 | /* Extract the fields of a position. */ |
3331fb06 | 430 | #define POSN_WINDOW(posn) (XCAR (posn)) |
03c975a4 KS |
431 | #define POSN_POSN(posn) (XCAR (XCDR (posn))) |
432 | #define POSN_SET_POSN(posn,x) (XSETCAR (XCDR (posn), (x))) | |
3331fb06 | 433 | #define POSN_WINDOW_POSN(posn) (XCAR (XCDR (XCDR (posn)))) |
03c975a4 | 434 | #define POSN_TIMESTAMP(posn) (XCAR (XCDR (XCDR (XCDR (posn))))) |
1365f343 | 435 | #define POSN_SCROLLBAR_PART(posn) (Fnth (make_number (4), (posn))) |
284f4730 | 436 | |
6e0adcfa GM |
437 | /* A cons (STRING . STRING-CHARPOS), or nil in mouse-click events. |
438 | It's a cons if the click is over a string in the mode line. */ | |
439 | ||
03c975a4 KS |
440 | #define POSN_STRING(posn) (Fnth (make_number (4), (posn))) |
441 | ||
442 | /* If POSN_STRING is nil, event refers to buffer location. */ | |
443 | ||
444 | #define POSN_INBUFFER_P(posn) (NILP (POSN_STRING (posn))) | |
445 | #define POSN_BUFFER_POSN(posn) (Fnth (make_number (5), (posn))) | |
6e0adcfa | 446 | |
284f4730 | 447 | /* Some of the event heads. */ |
6084b314 | 448 | extern Lisp_Object Qswitch_frame; |
284f4730 JB |
449 | |
450 | /* Properties on event heads. */ | |
955cbe7b | 451 | extern Lisp_Object Qevent_kind; |
284f4730 JB |
452 | |
453 | /* The values of Qevent_kind properties. */ | |
955cbe7b | 454 | extern Lisp_Object Qmouse_click; |
284f4730 | 455 | |
e6cba650 DN |
456 | extern Lisp_Object Qhelp_echo; |
457 | ||
284f4730 JB |
458 | /* Getting the kind of an event head. */ |
459 | #define EVENT_HEAD_KIND(event_head) \ | |
460 | (Fget ((event_head), Qevent_kind)) | |
461 | ||
462 | /* Symbols to use for non-text mouse positions. */ | |
045dee35 | 463 | extern Lisp_Object Qmode_line, Qvertical_line, Qheader_line; |
284f4730 | 464 | |
e6cba650 | 465 | /* True while doing kbd input. */ |
9fa1de30 | 466 | extern bool waiting_for_input; |
e6cba650 DN |
467 | |
468 | /* Address (if not 0) of EMACS_TIME to zero out if a SIGIO interrupt | |
469 | happens. */ | |
470 | extern EMACS_TIME *input_available_clear_time; | |
471 | ||
a411ac43 | 472 | #if defined HAVE_WINDOW_SYSTEM && !defined USE_GTK && !defined HAVE_NS |
9fa1de30 | 473 | extern bool ignore_mouse_drag_p; |
8a1414fa | 474 | #endif |
e6cba650 | 475 | |
e45a249b JD |
476 | /* The primary selection. */ |
477 | extern Lisp_Object QPRIMARY; | |
478 | ||
d748a3db AS |
479 | /* Forward declaration for prototypes. */ |
480 | struct input_event; | |
481 | ||
383e0970 J |
482 | extern Lisp_Object parse_modifiers (Lisp_Object); |
483 | extern Lisp_Object reorder_modifiers (Lisp_Object); | |
34db673b | 484 | extern Lisp_Object read_char (int, ptrdiff_t, Lisp_Object *, Lisp_Object, |
9fa1de30 | 485 | bool *, EMACS_TIME *); |
0bcfd7d7 | 486 | extern int parse_solitary_modifier (Lisp_Object symbol); |
251bc578 | 487 | |
ec558adc | 488 | |
e6cba650 DN |
489 | /* This is like Vthis_command, except that commands never set it. */ |
490 | extern Lisp_Object real_this_command; | |
491 | ||
99f3388e DN |
492 | /* Non-nil disable property on a command means |
493 | do not execute it; call disabled-command-function's value instead. */ | |
955cbe7b | 494 | extern Lisp_Object QCtoggle, QCradio; |
99f3388e DN |
495 | |
496 | /* An event header symbol HEAD may have a property named | |
497 | Qevent_symbol_element_mask, which is of the form (BASE MODIFIERS); | |
498 | BASE is the base, unmodified version of HEAD, and MODIFIERS is the | |
499 | mask of modifiers applied to it. If present, this is used to help | |
500 | speed up parse_modifiers. */ | |
501 | extern Lisp_Object Qevent_symbol_element_mask; | |
502 | ||
503 | /* The timestamp of the last input event we received from the X server. | |
504 | X Windows wants this for selection ownership. */ | |
08dc5ae6 | 505 | extern Time last_event_timestamp; |
99f3388e | 506 | |
3ef1d108 DN |
507 | extern int quit_char; |
508 | ||
9fa1de30 | 509 | extern unsigned int timers_run; |
50c77428 | 510 | |
9fa1de30 PE |
511 | extern bool menu_separator_name_p (const char *); |
512 | extern bool parse_menu_item (Lisp_Object, int); | |
0340dc60 | 513 | |
383e0970 J |
514 | extern void init_kboard (KBOARD *); |
515 | extern void delete_kboard (KBOARD *); | |
516 | extern void not_single_kboard_state (KBOARD *); | |
517 | extern void push_kboard (struct kboard *); | |
518 | extern void push_frame_kboard (struct frame *); | |
519 | extern void pop_kboard (void); | |
520 | extern void temporarily_switch_to_single_kboard (struct frame *); | |
521 | extern void record_asynch_buffer_change (void); | |
9af30bdf | 522 | extern void input_poll_signal (int); |
383e0970 J |
523 | extern void start_polling (void); |
524 | extern void stop_polling (void); | |
525 | extern void set_poll_suppress_count (int); | |
4d7e6e51 | 526 | extern int gobble_input (void); |
9fa1de30 | 527 | extern bool input_polling_used (void); |
383e0970 | 528 | extern void clear_input_pending (void); |
9fa1de30 | 529 | extern bool requeued_events_pending_p (void); |
383e0970 | 530 | extern void bind_polling_period (int); |
5994c183 | 531 | extern int make_ctrl_char (int) ATTRIBUTE_CONST; |
383e0970 J |
532 | extern void stuff_buffered_input (Lisp_Object); |
533 | extern void clear_waiting_for_input (void); | |
9fa1de30 PE |
534 | extern void swallow_events (bool); |
535 | extern bool lucid_event_type_list_p (Lisp_Object); | |
383e0970 J |
536 | extern void kbd_buffer_store_event (struct input_event *); |
537 | extern void kbd_buffer_store_event_hold (struct input_event *, | |
538 | struct input_event *); | |
539 | extern void kbd_buffer_unget_event (struct input_event *); | |
383e0970 | 540 | extern void poll_for_input_1 (void); |
383e0970 | 541 | extern void show_help_echo (Lisp_Object, Lisp_Object, Lisp_Object, |
f868cd8a | 542 | Lisp_Object); |
383e0970 | 543 | extern void gen_help_event (Lisp_Object, Lisp_Object, Lisp_Object, |
d311d28c | 544 | Lisp_Object, ptrdiff_t); |
383e0970 J |
545 | extern void kbd_buffer_store_help_event (Lisp_Object, Lisp_Object); |
546 | extern Lisp_Object menu_item_eval_property (Lisp_Object); | |
9fa1de30 | 547 | extern bool kbd_buffer_events_waiting (void); |
383e0970 J |
548 | extern void add_user_signal (int, const char *); |
549 | ||
f75beb47 | 550 | extern int tty_read_avail_input (struct terminal *, struct input_event *); |
f868cd8a | 551 | extern EMACS_TIME timer_check (void); |
da2f2dd9 | 552 | extern void mark_kboards (void); |
8f1ce423 | 553 | |
0fda9b75 | 554 | #ifdef HAVE_NTGUI |
7684e57b JB |
555 | extern const char *const lispy_function_keys[]; |
556 | #endif | |
15dbb4d6 PE |
557 | |
558 | INLINE_HEADER_END |