[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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[cf83b7a] | 14 | int owl_keybinding_init(owl_keybinding *kb, char *keyseq, char *command, void (*function_fn)(void), char *desc) |
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| 15 | { |
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[7d4fbcd] | 16 | char **ktokens; |
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| 17 | int nktokens, i; |
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| 18 | |
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[176d3443] | 19 | owl_function_debugmsg("owl_keybinding_init: creating binding for <%s> with desc: <%s>", keyseq, desc); |
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[7d4fbcd] | 20 | if (command && !function_fn) { |
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| 21 | kb->type = OWL_KEYBINDING_COMMAND; |
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| 22 | } else if (!command && function_fn) { |
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| 23 | kb->type = OWL_KEYBINDING_FUNCTION; |
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| 24 | } else { |
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| 25 | return(-1); |
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| 26 | } |
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| 27 | |
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| 28 | ktokens = atokenize(keyseq, " ", &nktokens); |
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| 29 | if (!ktokens) return(-1); |
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| 30 | if (nktokens > OWL_KEYMAP_MAXSTACK) { |
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| 31 | atokenize_free(ktokens, nktokens); |
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| 32 | return(-1); |
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| 33 | } |
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[e1b136bf] | 34 | kb->keys = owl_malloc(nktokens*sizeof(int)); |
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[7d4fbcd] | 35 | for (i=0; i<nktokens; i++) { |
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[e1b136bf] | 36 | kb->keys[i] = owl_keypress_fromstring(ktokens[i]); |
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| 37 | if (kb->keys[i] == ERR) { |
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[7d4fbcd] | 38 | atokenize_free(ktokens, nktokens); |
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[e1b136bf] | 39 | owl_free(kb->keys); |
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[7d4fbcd] | 40 | return(-1); |
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| 41 | } |
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| 42 | } |
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[e1b136bf] | 43 | kb->len = nktokens; |
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[7d4fbcd] | 44 | |
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[1716fed] | 45 | atokenize_free(ktokens, nktokens); |
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| 46 | |
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[7d4fbcd] | 47 | if (command) kb->command = owl_strdup(command); |
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| 48 | kb->function_fn = function_fn; |
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| 49 | if (desc) kb->desc = owl_strdup(desc); |
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| 50 | else kb->desc = NULL; |
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| 51 | return(0); |
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| 52 | } |
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| 53 | |
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| 54 | /* Releases data associated with a keybinding */ |
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[cf83b7a] | 55 | void owl_keybinding_free(owl_keybinding *kb) |
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| 56 | { |
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[e1b136bf] | 57 | if (kb->keys) owl_free(kb->keys); |
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[7d4fbcd] | 58 | if (kb->desc) owl_free(kb->desc); |
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| 59 | if (kb->command) owl_free(kb->command); |
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| 60 | } |
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| 61 | |
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| 62 | /* Releases data associated with a keybinding, and the kb itself */ |
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[cf83b7a] | 63 | void owl_keybinding_free_all(owl_keybinding *kb) |
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| 64 | { |
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[7d4fbcd] | 65 | owl_keybinding_free(kb); |
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| 66 | owl_free(kb); |
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| 67 | } |
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| 68 | |
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| 69 | /* executes a keybinding */ |
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[cf83b7a] | 70 | void owl_keybinding_execute(owl_keybinding *kb, int j) |
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| 71 | { |
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[7d4fbcd] | 72 | if (kb->type == OWL_KEYBINDING_COMMAND && kb->command) { |
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| 73 | owl_function_command_norv(kb->command); |
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| 74 | } else if (kb->type == OWL_KEYBINDING_FUNCTION && kb->function_fn) { |
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| 75 | kb->function_fn(); |
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| 76 | } |
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| 77 | } |
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| 78 | |
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| 79 | /* returns 0 on success */ |
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[e1b136bf] | 80 | int owl_keybinding_stack_tostring(int *j, int len, char *buff, int bufflen) |
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[cf83b7a] | 81 | { |
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[7d4fbcd] | 82 | char *pos = buff; |
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| 83 | int rem = bufflen; |
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| 84 | int i, n; |
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| 85 | |
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[e1b136bf] | 86 | for (i=0; i < len; i++) { |
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[7d4fbcd] | 87 | owl_keypress_tostring(j[i], 0, pos, rem-1); |
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[e1b136bf] | 88 | if (i < len - 1) strcat(pos, " "); |
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[7d4fbcd] | 89 | n = strlen(pos); |
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| 90 | pos += n; |
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| 91 | rem -= n; |
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| 92 | } |
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| 93 | return 0; |
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| 94 | } |
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| 95 | |
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| 96 | /* returns 0 on success */ |
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[cf83b7a] | 97 | int owl_keybinding_tostring(owl_keybinding *kb, char *buff, int bufflen) |
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| 98 | { |
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[e1b136bf] | 99 | return owl_keybinding_stack_tostring(kb->keys, kb->len, buff, bufflen); |
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[7d4fbcd] | 100 | } |
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| 101 | |
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[cf83b7a] | 102 | char *owl_keybinding_get_desc(owl_keybinding *kb) |
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| 103 | { |
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[7d4fbcd] | 104 | return kb->desc; |
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| 105 | } |
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| 106 | |
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| 107 | /* returns 0 on no match, 1 on subset match, and 2 on complete match */ |
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[e1b136bf] | 108 | int owl_keybinding_match(owl_keybinding *kb, owl_keyhandler *kh) |
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[cf83b7a] | 109 | { |
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[e1b136bf] | 110 | int i; |
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| 111 | for(i = 0; i <= kh->kpstackpos && i < kb->len; i++) { |
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| 112 | if(kb->keys[i] != kh->kpstack[i]) |
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[7d4fbcd] | 113 | return 0; |
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| 114 | } |
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[e1b136bf] | 115 | |
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| 116 | /* If we've made it to this point, then they match as far as they are. */ |
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| 117 | if(kb->len == kh->kpstackpos + 1) { |
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| 118 | /* Equal length */ |
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[7d4fbcd] | 119 | return 2; |
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[e1b136bf] | 120 | } else if(kb->len > kh->kpstackpos + 1) { |
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[7d4fbcd] | 121 | return 1; |
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| 122 | } |
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[e1b136bf] | 123 | |
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| 124 | return 0; |
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[7d4fbcd] | 125 | } |
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| 126 | |
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| 127 | /* returns 1 if keypress sequence is the same */ |
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[cf83b7a] | 128 | int owl_keybinding_equal(owl_keybinding *kb1, owl_keybinding *kb2) |
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| 129 | { |
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[e1b136bf] | 130 | int i; |
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| 131 | |
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| 132 | if(kb1->len != kb2->len) return 0; |
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| 133 | |
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| 134 | for(i = 0; i < kb1->len; i++) { |
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| 135 | if(kb1->keys[i] != kb2->keys[i]) |
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| 136 | return 0; |
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[7d4fbcd] | 137 | } |
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[e1b136bf] | 138 | |
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| 139 | return 1; |
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[7d4fbcd] | 140 | } |
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