[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | |
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| 3 | /* |
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[7869e48] | 4 | * TODO: Idea for allowing functions to be user-specified --- |
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| 5 | * Have function have a context bitmask that says where it |
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[7d4fbcd] | 6 | * can be used, and have keymaps also have one, and compare |
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| 7 | * the two when setting. |
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[7869e48] | 8 | * |
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[7d4fbcd] | 9 | */ |
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| 10 | |
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[b13daa0] | 11 | static int owl_keybinding_make_keys(owl_keybinding *kb, const char *keyseq); |
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| 12 | |
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[7d4fbcd] | 13 | /* sets up a new keybinding for a command */ |
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[6829afc] | 14 | CALLER_OWN owl_keybinding *owl_keybinding_new(const char *keyseq, const char *command, void (*function_fn)(void), const char *desc) |
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[cf83b7a] | 15 | { |
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[b13daa0] | 16 | owl_keybinding *kb = g_new(owl_keybinding, 1); |
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| 17 | |
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[176d3443] | 18 | owl_function_debugmsg("owl_keybinding_init: creating binding for <%s> with desc: <%s>", keyseq, desc); |
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[b13daa0] | 19 | if (command && function_fn) { |
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| 20 | g_free(kb); |
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| 21 | return NULL; |
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| 22 | } else if (command && !function_fn) { |
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[7d4fbcd] | 23 | kb->type = OWL_KEYBINDING_COMMAND; |
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| 24 | } else if (!command && function_fn) { |
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| 25 | kb->type = OWL_KEYBINDING_FUNCTION; |
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| 26 | } else { |
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[b13daa0] | 27 | kb->type = OWL_KEYBINDING_NOOP; |
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[7d4fbcd] | 28 | } |
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| 29 | |
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[5643f99] | 30 | if (owl_keybinding_make_keys(kb, keyseq) != 0) { |
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[b13daa0] | 31 | g_free(kb); |
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| 32 | return NULL; |
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[5643f99] | 33 | } |
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| 34 | |
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[b13daa0] | 35 | kb->command = g_strdup(command); |
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[5643f99] | 36 | kb->function_fn = function_fn; |
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[b13daa0] | 37 | kb->desc = g_strdup(desc); |
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| 38 | return kb; |
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[5643f99] | 39 | } |
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| 40 | |
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[b13daa0] | 41 | static int owl_keybinding_make_keys(owl_keybinding *kb, const char *keyseq) |
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[5643f99] | 42 | { |
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| 43 | char **ktokens; |
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| 44 | int nktokens, i; |
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| 45 | |
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[d275eb2] | 46 | ktokens = g_strsplit_set(keyseq, " ", 0); |
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| 47 | nktokens = g_strv_length(ktokens); |
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| 48 | if (nktokens < 1 || nktokens > OWL_KEYMAP_MAXSTACK) { |
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| 49 | g_strfreev(ktokens); |
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[7d4fbcd] | 50 | return(-1); |
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| 51 | } |
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[96828e4] | 52 | kb->keys = g_new(int, nktokens); |
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[8a921b5] | 53 | for (i=0; i<nktokens; i++) { |
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[e1b136bf] | 54 | kb->keys[i] = owl_keypress_fromstring(ktokens[i]); |
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[d275eb2] | 55 | if (kb->keys[i] == ERR) { |
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| 56 | g_strfreev(ktokens); |
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[ddbbcffa] | 57 | g_free(kb->keys); |
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[7d4fbcd] | 58 | return(-1); |
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| 59 | } |
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| 60 | } |
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[e1b136bf] | 61 | kb->len = nktokens; |
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[d275eb2] | 62 | g_strfreev(ktokens); |
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[7d4fbcd] | 63 | return(0); |
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| 64 | } |
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| 65 | |
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[b13daa0] | 66 | /* Releases data associated with a keybinding, and the kb itself */ |
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| 67 | void owl_keybinding_delete(owl_keybinding *kb) |
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[cf83b7a] | 68 | { |
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[3b8a563] | 69 | g_free(kb->keys); |
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| 70 | g_free(kb->desc); |
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| 71 | g_free(kb->command); |
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[ddbbcffa] | 72 | g_free(kb); |
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[7d4fbcd] | 73 | } |
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| 74 | |
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| 75 | /* executes a keybinding */ |
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[f1d7d0f] | 76 | void owl_keybinding_execute(const owl_keybinding *kb, int j) |
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[cf83b7a] | 77 | { |
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[7d4fbcd] | 78 | if (kb->type == OWL_KEYBINDING_COMMAND && kb->command) { |
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| 79 | owl_function_command_norv(kb->command); |
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| 80 | } else if (kb->type == OWL_KEYBINDING_FUNCTION && kb->function_fn) { |
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| 81 | kb->function_fn(); |
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| 82 | } |
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| 83 | } |
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| 84 | |
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[6829afc] | 85 | CALLER_OWN char *owl_keybinding_stack_tostring(int *j, int len) |
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[cf83b7a] | 86 | { |
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[45e2c95] | 87 | GString *string; |
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| 88 | int i; |
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| 89 | |
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| 90 | string = g_string_new(""); |
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| 91 | for (i = 0; i < len; i++) { |
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[d07af84] | 92 | char *keypress = owl_keypress_tostring(j[i], 0); |
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| 93 | g_string_append(string, keypress ? keypress : "INVALID"); |
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| 94 | g_free(keypress); |
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[45e2c95] | 95 | if (i < len - 1) g_string_append_c(string, ' '); |
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[7d4fbcd] | 96 | } |
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[45e2c95] | 97 | return g_string_free(string, false); |
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[7d4fbcd] | 98 | } |
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| 99 | |
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[6829afc] | 100 | CALLER_OWN char *owl_keybinding_tostring(const owl_keybinding *kb) |
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[cf83b7a] | 101 | { |
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[45e2c95] | 102 | return owl_keybinding_stack_tostring(kb->keys, kb->len); |
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[7d4fbcd] | 103 | } |
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| 104 | |
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[f1d7d0f] | 105 | const char *owl_keybinding_get_desc(const owl_keybinding *kb) |
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[cf83b7a] | 106 | { |
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[7d4fbcd] | 107 | return kb->desc; |
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| 108 | } |
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| 109 | |
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| 110 | /* returns 0 on no match, 1 on subset match, and 2 on complete match */ |
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[12bc46a] | 111 | int owl_keybinding_match(const owl_keybinding *kb, const owl_keyhandler *kh) |
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[cf83b7a] | 112 | { |
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[e1b136bf] | 113 | int i; |
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| 114 | for(i = 0; i <= kh->kpstackpos && i < kb->len; i++) { |
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| 115 | if(kb->keys[i] != kh->kpstack[i]) |
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[7d4fbcd] | 116 | return 0; |
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| 117 | } |
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[e1b136bf] | 118 | |
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| 119 | /* If we've made it to this point, then they match as far as they are. */ |
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| 120 | if(kb->len == kh->kpstackpos + 1) { |
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| 121 | /* Equal length */ |
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[7d4fbcd] | 122 | return 2; |
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[e1b136bf] | 123 | } else if(kb->len > kh->kpstackpos + 1) { |
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[7d4fbcd] | 124 | return 1; |
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| 125 | } |
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[e1b136bf] | 126 | |
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| 127 | return 0; |
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[7d4fbcd] | 128 | } |
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| 129 | |
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| 130 | /* returns 1 if keypress sequence is the same */ |
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[f1d7d0f] | 131 | int owl_keybinding_equal(const owl_keybinding *kb1, const owl_keybinding *kb2) |
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[cf83b7a] | 132 | { |
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[e1b136bf] | 133 | int i; |
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| 134 | |
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| 135 | if(kb1->len != kb2->len) return 0; |
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| 136 | |
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| 137 | for(i = 0; i < kb1->len; i++) { |
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| 138 | if(kb1->keys[i] != kb2->keys[i]) |
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| 139 | return 0; |
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[7d4fbcd] | 140 | } |
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[e1b136bf] | 141 | |
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| 142 | return 1; |
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[7d4fbcd] | 143 | } |
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