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keys.h - ledit - Text editor (WIP) |
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git clone git://lumidify.org/ledit.git (fast, but not encrypted) |
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git clone https://lumidify.org/ledit.git (encrypted, but very slow) |
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git clone git://4kcetb7mo7hj6grozzybxtotsub5bempzo4lirzc3437amof2c2impyd.onion/… |
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--- |
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keys.h (3794B) |
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--- |
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1 #ifndef _KEYS_H_ |
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2 #define _KEYS_H_ |
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3 |
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4 #include <X11/Xlib.h> |
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5 #include "window.h" |
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6 |
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7 #define LENGTH(X) (sizeof(X) / sizeof(X[0])) |
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8 |
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9 #define XK_ANY_MOD UINT_MAX |
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10 #define XK_NO_MOD 0 |
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11 |
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12 /* get the index of a language with the given name, or -1 if none exists… |
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13 int get_language_index(char *lang); |
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14 /* match a modifier key mask with a key state, ignoring some unimportant… |
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15 int match_key(unsigned int mask, unsigned int state); |
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16 /* preprocess key, i.e. get the KeySym and text corresponding to it */ |
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17 void preprocess_key( |
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18 ledit_window *window, XKeyEvent *event, KeySym *sym_ret, |
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19 char **buf_ret, int *buf_len_ret |
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20 ); |
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21 void key_processing_cleanup(void); |
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22 |
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23 /* FIXME: documentation */ |
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24 #define GEN_CB_MAP_HELPERS(name, typename, cmp_entry) … |
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25 … |
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26 static int name##_sorted = 0; … |
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27 … |
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28 /* … |
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29 * IMPORTANT: The text passed to *_get_entry may not be nul-terminated, … |
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30 * so a txtbuf has to be used for the bsearch comparison helper. … |
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31 */ … |
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32 … |
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33 static int … |
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34 name##_search_helper(const void *keyv, const void *entryv) { … |
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35 txtbuf *key = (txtbuf *)keyv; … |
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36 typename *entry = (typename *)entryv; … |
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37 int ret = strncmp(key->text, entry->cmp_entry, key->len); … |
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38 if (ret == 0) { … |
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39 if (entry->cmp_entry[key->len] == '\0') … |
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40 return 0; … |
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41 else … |
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42 return -1; … |
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43 } … |
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44 return ret; … |
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45 } … |
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46 … |
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47 static int … |
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48 name##_sort_helper(const void *entry1v, const void *entry2v) { … |
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49 typename *entry1 = (typename *)entry1v; … |
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50 typename *entry2 = (typename *)entry2v; … |
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51 return strcmp(entry1->cmp_entry, entry2->cmp_entry); … |
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52 } … |
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53 … |
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54 typename * … |
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55 name##_get_entry(char *text, size_t len) { … |
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56 /* just in case */ … |
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57 if (!name##_sorted) { … |
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58 qsort( … |
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59 name, LENGTH(name), … |
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60 sizeof(name[0]), &name##_sort_helper); … |
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61 name##_sorted = 1; … |
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62 } … |
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63 txtbuf tmp = {.len = len, .cap = len, .text = text}; … |
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64 return bsearch( … |
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65 &tmp, name, LENGTH(name), … |
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66 sizeof(name[0]), &name##_search_helper … |
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67 ); … |
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68 } |
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69 |
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70 #endif |
