10 ////////////////////////////////////////////////////////////////////////////////
11 // default keycode translation map and keyevent handlers
12 keyevent_handler keysym_translator;
13 keyevent_handler keyrange_translator;
14 keyevent_handler keyrange_translator_meta8;
15 keyevent_handler keylist_translator;
17 keysym_t keyboard_manager::stock_keymap_[] =
20 /* keysym, state, range, handler, str*/
21 //{XK_ISO_Left_Tab, 0, 1, keysym_translator, "\033[Z"},
22 //{ 'a', 0, 26, keyrange_translator_meta8, "a" "%c"},
23 //{ 'a', ControlMask, 26, keyrange_translator_meta8, "
\ 1" "%c"},
24 //{ XK_Left, 0, 4, keylist_translator, "DACBZ" "\033[Z"},
25 //{ XK_Left, ShiftMask, 4, keylist_translator, "dacbZ" "\033[Z"},
26 //{ XK_Left, ControlMask, 4, keylist_translator, "dacbZ" "\033OZ"},
27 //{ XK_Tab, ControlMask, 1, keysym_translator, "\033<C-Tab>"},
28 //{ XK_apostrophe, ControlMask, 1, keysym_translator, "\033<C-'>"},
29 //{ XK_slash, ControlMask, 1, keysym_translator, "\033<C-/>"},
30 //{ XK_semicolon, ControlMask, 1, keysym_translator, "\033<C-;>"},
31 //{ XK_grave, ControlMask, 1, keysym_translator, "\033<C-`>"},
32 //{ XK_comma, ControlMask, 1, keysym_translator, "\033<C-\054>"},
33 //{ XK_Return, ControlMask, 1, keysym_translator, "\033<C-Return>"},
34 //{ XK_Return, ShiftMask, 1, keysym_translator, "\033<S-Return>"},
35 //{ ' ', ShiftMask, 1, keysym_translator, "\033<S-Space>"},
36 //{ '.', ControlMask, 1, keysym_translator, "\033<C-.>"},
37 //{ '0', ControlMask, 10, keyrange_translator, "0" "\033<C-%c>"},
38 //{ '0', MetaMask|ControlMask, 10, keyrange_translator, "0" "\033<M-C-%c>"},
39 //{ 'a', MetaMask|ControlMask, 26, keyrange_translator, "a" "\033<M-C-%c>"},
42 void output_string (rxvt_term *rt,
46 if (strncmp (str, "proto:", 6) == 0)
47 rt->cmd_write ((unsigned char*)str + 6, strlen (str) - 6);
49 rt->tt_write ((unsigned char*)str, strlen (str));
52 void output_string_meta8 (rxvt_term *rt,
57 if (state & rt->ModMetaMask)
60 if(rt->meta_char == 0x80) /* set 8-bit on */
62 for (char *ch = buf; ch < buf + buflen; ch++)
65 else if(rt->meta_char == C0_ESC) /* escape prefix */
68 const unsigned char ch = C0_ESC;
69 rt->tt_write (&ch, 1);
73 rt->tt_write ((unsigned char*)buf, buflen);
76 int format_keyrange_string (keysym_t *key,
84 len = snprintf (buf, bufsize, key->str + 1,
85 keysym - key->keysym + (int)(key->str[0]));
88 fprintf (stderr, "buffer overflowed!\n");
89 buf[bufsize-1] = '\0';
93 perror("keyrange_translator()");
99 bool format_keylist_string (keysym_t *key,
107 strncpy (buf, key->str + key->range + 1, bufsize);
108 buf[bufsize-1] = '\0';
110 p = strchr (buf, key->str[key->range]);
113 *p = key->str[keysym - key->keysym];
118 fprintf (stderr, "invalid str for keylist_translator()!\n");
123 /////////////////////////////////////////////////////////////////
124 void keysym_translator (rxvt_term *rt,
129 output_string (rt, key->str);
132 void keyrange_translator (rxvt_term *rt,
137 char buf[STRING_MAX];
139 if (format_keyrange_string (key, keysym, buf, sizeof(buf)) > 0)
140 output_string (rt, buf);
143 void keyrange_translator_meta8 (rxvt_term *rt,
149 char buf[STRING_MAX];
151 len = format_keyrange_string (key, keysym, buf, sizeof(buf));
153 output_string_meta8 (rt, state, buf, len);
156 void keylist_translator (rxvt_term *rt,
161 char buf[STRING_MAX];
163 format_keylist_string (key, keysym, buf, sizeof(buf));
164 output_string (rt, buf);
167 ////////////////////////////////////////////////////////////////////////////////
168 // return: #bits of '1'
170 bitcount (unsigned int n)
173 for (i = 0; n; ++i, n &= (n - 1));
177 // return: priority_of_a - priority_of_b
179 compare_priority (keysym_t *a, keysym_t *b)
183 // (the more '1's in state; the less range): the greater priority
184 int ca = bitcount (a->state/* & AllModMask*/);
185 int cb = bitcount (b->state/* & AllModMask*/);
188 //else if (a->state != b->state) // this behavior is to be disscussed
189 // return b->state - a->state;
191 return b->range - a->range;
194 ////////////////////////////////////////////////////////////////////////////////
195 keyboard_manager::keyboard_manager (rxvt_term *rt)
198 keymap_.reserve (256);
199 hash_[0] = 1; // hash_[0] != 0 indicates uninitialized data
202 keyboard_manager::~keyboard_manager ()
208 keyboard_manager::clear ()
213 for(unsigned int i = 0;i < user_translations_.size();++i)
215 delete[] user_translations_[i];
216 user_translations_[i] = 0;
219 for(unsigned int i = 0;i < user_keymap_.size();++i)
221 delete user_keymap_[i];
225 user_keymap_.clear();
226 user_translations_.clear();
229 // a wrapper for register_keymap,
230 // so that outside codes don't have to know so much details.
232 // the string 'trans' is copied to an internal managed buffer,
233 // so the caller can free memory of 'trans' at any time.
235 keyboard_manager::register_user_translation (KeySym keysym,
241 keysym_t *key = new keysym_t;
242 const char *translation = new char[1+strlen(trans)];
244 if(key && translation)
246 key->keysym = keysym;
249 key->str = translation;
251 if (strncmp (trans, "list", 4) == 0)
253 const char *p = &trans[4];
254 if (*p && (p = strchr (p+1, *p)))
255 if ((p - trans - 5 > 1) && strchr (p+1, *p))
257 strcpy (translation, trans+5);
258 key->range = p - trans - 5;
259 key->handler = keylist_translator;
264 strcpy (translation, trans);
265 key->handler = keysym_translator;
268 user_keymap_.push_back (key);
269 user_translations_.push_back (translation);
270 register_keymap (key);
275 delete[] translation;
276 rxvt_fatal ("out of memory, aborting.\n");
281 keyboard_manager::register_keymap (keysym_t *key)
284 assert (key->handler);
285 assert (key->range >= 1);
287 if (keymap_.size () == keymap_.capacity ())
288 keymap_.reserve (keymap_.size () * 2);
290 keymap_.push_back (key);
295 keyboard_manager::register_done ()
297 unsigned int i, n = sizeof(stock_keymap_)/sizeof(keysym_t);
299 if(keymap_.back() != &stock_keymap_[n-1])
301 register_keymap(&stock_keymap_[i]);
303 purge_duplicate_keymap ();
305 for (i = 0; i < keymap_.size(); ++i)
307 keysym_t *key = keymap_[i];
309 assert (bitcount (term_->ModMetaMask) == 1
310 && "call me after ModMetaMask was set!");
311 if (key->state & MetaMask)
313 //key->state &= ~MetaMask;
314 key->state |= term_->ModMetaMask;
317 assert (bitcount (term_->ModNumLockMask) == 1
318 && "call me after ModNumLockMask was set!");
319 if (key->state & NumLockMask)
321 //key->state &= ~NumLockMask;
322 key->state |= term_->ModNumLockMask;
329 bool keyboard_manager::dispatch (KeySym keysym, unsigned int state)
331 assert(hash_[0] == 0 && "register_done() need to be called");
333 int index = find_keysym (keysym, state);
337 assert (term_ && keymap_[index] && keymap_[index]->handler);
338 keymap_[index]->handler (term_, keymap_[index], keysym, state);
343 // fprintf(stderr,"[%x:%x]",state,keysym);
348 // purge duplicate keymap_ entries
350 keyboard_manager::purge_duplicate_keymap ()
352 for (unsigned int i = 0; i < keymap_.size (); ++i)
354 for (unsigned int j = 0; j < i; ++j)
356 if (keymap_[i] == keymap_[j])
358 while (keymap_[i] == keymap_.back ())
360 if (i < keymap_.size ())
362 keymap_[i] = keymap_.back ();
372 keyboard_manager::setup_hash ()
374 unsigned int i, index, hashkey;
375 vector<keysym_t *> sorted_keymap;
376 u16 hash_budget_size[KEYSYM_HASH_BUDGETS]; // size of each budget
377 u16 hash_budget_counter[KEYSYM_HASH_BUDGETS]; // #elements in each budget
379 memset (hash_budget_size, 0, sizeof (hash_budget_size));
380 memset (hash_budget_counter, 0, sizeof (hash_budget_counter));
382 // count keysyms for corresponding hash budgets
383 for (i = 0; i < keymap_.size (); ++i)
386 hashkey = (keymap_[i]->keysym & KEYSYM_HASH_MASK);
387 ++hash_budget_size[hashkey];
390 // keysym A with range>1 is counted one more time for
391 // every keysym B lies in its range
392 for (i = 0; i < keymap_.size (); ++i)
394 if (keymap_[i]->range > 1)
396 for (int j = min (keymap_[i]->range, KEYSYM_HASH_BUDGETS) - 1;j > 0; --j)
398 hashkey = ((keymap_[i]->keysym + j) & KEYSYM_HASH_MASK);
399 if (hash_budget_size[hashkey])
400 ++hash_budget_size[hashkey];
405 // now we know the size of each budget
406 // compute the index of each budget
408 for (index = 0,i = 1; i < KEYSYM_HASH_BUDGETS; ++i)
410 index += hash_budget_size[i-1];
411 hash_[i] = (hash_budget_size[i] ? index : hash_[i-1]);
413 // and allocate just enough space
414 //sorted_keymap.reserve (hash_[i - 1] + hash_budget_size[i - 1]);
415 sorted_keymap.insert (sorted_keymap.begin(), index + hash_budget_size[i - 1], 0);
417 // fill in sorted_keymap
418 // it is sorted in each budget
419 for (i = 0; i < keymap_.size (); ++i)
421 for (int j = min (keymap_[i]->range, KEYSYM_HASH_BUDGETS) - 1;j >= 0; --j)
423 hashkey = ((keymap_[i]->keysym + j) & KEYSYM_HASH_MASK);
424 if (hash_budget_size[hashkey])
426 index = hash_[hashkey] + hash_budget_counter[hashkey];
427 while (index > hash_[hashkey] &&
428 compare_priority (keymap_[i],
429 sorted_keymap[index - 1]) > 0)
431 sorted_keymap[index] = sorted_keymap[index - 1];
434 sorted_keymap[index] = keymap_[i];
435 ++hash_budget_counter[hashkey];
440 keymap_.swap (sorted_keymap);
442 #if defined (DEBUG_STRICT) || defined (DEBUG_KEYBOARD)
443 // check for invariants
444 for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i)
447 for (int j = 0; j < hash_budget_size[i]; ++j)
449 if (keymap_[index + j]->range == 1)
450 assert (i == (keymap_[index + j]->keysym & KEYSYM_HASH_MASK));
452 assert (compare_priority (keymap_[index + j - 1],
453 keymap_[index + j]) >= 0);
457 // this should be able to detect most possible bugs
458 for (i = 0; i < sorted_keymap.size (); ++i)
460 keysym_t *a = sorted_keymap[i];
461 for (int j = 0; j < a->range; ++j)
463 int index = find_keysym (a->keysym + j, a->state & AllModMask);
465 keysym_t *b = keymap_[index];
466 assert (i == (signed)index || // the normally expected result
467 (a->keysym + j) >= b->keysym &&
468 (a->keysym + j) <= (b->keysym + b->range) &&
469 compare_priority (a, b) <= 0); // is effectively the same
476 keyboard_manager::find_keysym (KeySym keysym, unsigned int state)
478 int hashkey = (keysym & KEYSYM_HASH_MASK);
479 unsigned int index = hash_[hashkey];
481 for (;index < keymap_.size(); ++index)
483 keysym_t *key = keymap_[index];
485 if (key->keysym <= keysym &&
486 key->keysym + key->range > keysym &&
487 // match only the specified bits in state and ignore others
488 (key->state & (unsigned int)AllModMask) == (key->state & state))
492 else if (key->keysym > keysym &&
500 #endif /* KEYSYM_RESOURCE */