[7d4fbcd] | 1 | #include <ctype.h> |
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| 2 | #include <string.h> |
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| 3 | #include "owl.h" |
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| 4 | |
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| 5 | /* |
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| 6 | * TODO: Idea for allowing functions to be user-specified --- |
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| 7 | * Have function have a context bitmask that says where it |
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| 8 | * can be used, and have keymaps also have one, and compare |
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| 9 | * the two when setting. |
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| 10 | * |
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| 11 | */ |
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| 12 | |
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| 13 | /* sets up a new keybinding for a command */ |
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[e19eb97] | 14 | int owl_keybinding_init(owl_keybinding *kb, const char *keyseq, const char *command, void (*function_fn)(void), const char *desc) |
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[cf83b7a] | 15 | { |
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[176d3443] | 16 | owl_function_debugmsg("owl_keybinding_init: creating binding for <%s> with desc: <%s>", keyseq, desc); |
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[7d4fbcd] | 17 | if (command && !function_fn) { |
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| 18 | kb->type = OWL_KEYBINDING_COMMAND; |
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| 19 | } else if (!command && function_fn) { |
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| 20 | kb->type = OWL_KEYBINDING_FUNCTION; |
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| 21 | } else { |
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| 22 | return(-1); |
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| 23 | } |
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| 24 | |
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[5643f99] | 25 | if (owl_keybinding_make_keys(kb, keyseq) != 0) { |
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| 26 | return(-1); |
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| 27 | } |
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| 28 | |
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| 29 | if (command) kb->command = owl_strdup(command); |
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| 30 | kb->function_fn = function_fn; |
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| 31 | if (desc) kb->desc = owl_strdup(desc); |
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| 32 | else kb->desc = NULL; |
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| 33 | return(0); |
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| 34 | } |
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| 35 | |
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| 36 | int owl_keybinding_make_keys(owl_keybinding *kb, const char *keyseq) |
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| 37 | { |
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| 38 | char **ktokens; |
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| 39 | int nktokens, i; |
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| 40 | |
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[7d4fbcd] | 41 | ktokens = atokenize(keyseq, " ", &nktokens); |
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| 42 | if (!ktokens) return(-1); |
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| 43 | if (nktokens > OWL_KEYMAP_MAXSTACK) { |
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[1672650] | 44 | atokenize_delete(ktokens, nktokens); |
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[7d4fbcd] | 45 | return(-1); |
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| 46 | } |
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[e1b136bf] | 47 | kb->keys = owl_malloc(nktokens*sizeof(int)); |
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[8a921b5] | 48 | for (i=0; i<nktokens; i++) { |
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[e1b136bf] | 49 | kb->keys[i] = owl_keypress_fromstring(ktokens[i]); |
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| 50 | if (kb->keys[i] == ERR) { |
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[1672650] | 51 | atokenize_delete(ktokens, nktokens); |
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[e1b136bf] | 52 | owl_free(kb->keys); |
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[7d4fbcd] | 53 | return(-1); |
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| 54 | } |
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| 55 | } |
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[e1b136bf] | 56 | kb->len = nktokens; |
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[1672650] | 57 | atokenize_delete(ktokens, nktokens); |
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[7d4fbcd] | 58 | return(0); |
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| 59 | } |
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| 60 | |
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| 61 | /* Releases data associated with a keybinding */ |
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[b646d00] | 62 | void owl_keybinding_cleanup(owl_keybinding *kb) |
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[cf83b7a] | 63 | { |
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[e1b136bf] | 64 | if (kb->keys) owl_free(kb->keys); |
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[7d4fbcd] | 65 | if (kb->desc) owl_free(kb->desc); |
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| 66 | if (kb->command) owl_free(kb->command); |
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| 67 | } |
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| 68 | |
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| 69 | /* Releases data associated with a keybinding, and the kb itself */ |
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[920201c] | 70 | void owl_keybinding_delete(owl_keybinding *kb) |
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[cf83b7a] | 71 | { |
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[b646d00] | 72 | owl_keybinding_cleanup(kb); |
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[7d4fbcd] | 73 | owl_free(kb); |
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| 74 | } |
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| 75 | |
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| 76 | /* executes a keybinding */ |
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[f1d7d0f] | 77 | void owl_keybinding_execute(const owl_keybinding *kb, int j) |
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[cf83b7a] | 78 | { |
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[7d4fbcd] | 79 | if (kb->type == OWL_KEYBINDING_COMMAND && kb->command) { |
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| 80 | owl_function_command_norv(kb->command); |
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| 81 | } else if (kb->type == OWL_KEYBINDING_FUNCTION && kb->function_fn) { |
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| 82 | kb->function_fn(); |
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| 83 | } |
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| 84 | } |
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| 85 | |
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| 86 | /* returns 0 on success */ |
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[e1b136bf] | 87 | int owl_keybinding_stack_tostring(int *j, int len, char *buff, int bufflen) |
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[cf83b7a] | 88 | { |
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[7d4fbcd] | 89 | char *pos = buff; |
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| 90 | int rem = bufflen; |
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| 91 | int i, n; |
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| 92 | |
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[e1b136bf] | 93 | for (i=0; i < len; i++) { |
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[7d4fbcd] | 94 | owl_keypress_tostring(j[i], 0, pos, rem-1); |
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[e1b136bf] | 95 | if (i < len - 1) strcat(pos, " "); |
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[7d4fbcd] | 96 | n = strlen(pos); |
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| 97 | pos += n; |
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| 98 | rem -= n; |
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| 99 | } |
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| 100 | return 0; |
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| 101 | } |
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| 102 | |
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| 103 | /* returns 0 on success */ |
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[f1d7d0f] | 104 | int owl_keybinding_tostring(const owl_keybinding *kb, char *buff, int bufflen) |
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[cf83b7a] | 105 | { |
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[e1b136bf] | 106 | return owl_keybinding_stack_tostring(kb->keys, kb->len, buff, bufflen); |
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[7d4fbcd] | 107 | } |
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| 108 | |
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[f1d7d0f] | 109 | const char *owl_keybinding_get_desc(const owl_keybinding *kb) |
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[cf83b7a] | 110 | { |
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[7d4fbcd] | 111 | return kb->desc; |
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| 112 | } |
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| 113 | |
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| 114 | /* returns 0 on no match, 1 on subset match, and 2 on complete match */ |
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[12bc46a] | 115 | int owl_keybinding_match(const owl_keybinding *kb, const owl_keyhandler *kh) |
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[cf83b7a] | 116 | { |
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[e1b136bf] | 117 | int i; |
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| 118 | for(i = 0; i <= kh->kpstackpos && i < kb->len; i++) { |
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| 119 | if(kb->keys[i] != kh->kpstack[i]) |
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[7d4fbcd] | 120 | return 0; |
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| 121 | } |
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[e1b136bf] | 122 | |
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| 123 | /* If we've made it to this point, then they match as far as they are. */ |
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| 124 | if(kb->len == kh->kpstackpos + 1) { |
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| 125 | /* Equal length */ |
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[7d4fbcd] | 126 | return 2; |
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[e1b136bf] | 127 | } else if(kb->len > kh->kpstackpos + 1) { |
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[7d4fbcd] | 128 | return 1; |
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| 129 | } |
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[e1b136bf] | 130 | |
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| 131 | return 0; |
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[7d4fbcd] | 132 | } |
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| 133 | |
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| 134 | /* returns 1 if keypress sequence is the same */ |
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[f1d7d0f] | 135 | int owl_keybinding_equal(const owl_keybinding *kb1, const owl_keybinding *kb2) |
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[cf83b7a] | 136 | { |
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[e1b136bf] | 137 | int i; |
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| 138 | |
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| 139 | if(kb1->len != kb2->len) return 0; |
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| 140 | |
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| 141 | for(i = 0; i < kb1->len; i++) { |
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| 142 | if(kb1->keys[i] != kb2->keys[i]) |
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| 143 | return 0; |
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[7d4fbcd] | 144 | } |
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[e1b136bf] | 145 | |
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| 146 | return 1; |
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[7d4fbcd] | 147 | } |
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