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keyboard handling rewrite
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1462 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen
cras
parent
5377dc90aa
commit
711c17b746
4 changed files with 581 additions and 240 deletions
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@ -1,7 +1,7 @@
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/*
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keyboard.c : irssi
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Copyright (C) 1999 Timo Sirainen
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Copyright (C) 1999-2001 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -32,7 +32,105 @@
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#include "printtext.h"
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GSList *keyinfos;
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static GHashTable *keys;
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static GHashTable *keys, *default_keys;
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/* contains list of all key bindings of which command is "key" -
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this can be used to check fast if some command queue exists or not.
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Format is _always_ in key1-key2-key3 format (like ^W-^N,
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not ^W^N) */
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static GTree *key_states;
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/* List of all key combo names */
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static GSList *key_combos;
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static int key_config_frozen;
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struct KEYBOARD_REC {
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/* example:
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/BIND ^[ key meta
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/BIND meta-O key meta2
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/BIND meta-[ key meta2
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/BIND meta2-C key right
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/BIND ^W-meta-right /echo ^W Meta-right key pressed
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When ^W Meta-Right is pressed, the full char combination
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is "^W^[^[[C".
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We'll get there with key states:
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^W - key_prev_state = NULL, key_state = NULL -> ^W
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^[ - key_prev_state = NULL, key_state = ^W -> meta
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^[ - key_prev_state = ^W, key_state = meta -> meta
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[ - key_prev_state = ^W-meta, key_state = meta -> meta2
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C - key_prev_state = ^W-meta, key_state = meta2 -> right
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key_prev_state = ^W-meta, key_state = right -> ^W-meta-right
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key_state is moved to key_prev_state if there's nothing else in
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/BINDs matching for key_state-newkey.
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^X^Y equals to ^X-^Y, ABC equals to A-B-C unless there's ABC
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named key. ^ can be used with ^^ and - with -- */
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char *key_state, *key_prev_state;
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/* GUI specific data sent in "key pressed" signal */
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void *gui_data;
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};
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/* Creates a new "keyboard" - this is used only for keeping track of
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key combo states and sending the gui_data parameter in "key pressed"
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signal */
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KEYBOARD_REC *keyboard_create(void *data)
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{
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KEYBOARD_REC *rec;
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rec = g_new0(KEYBOARD_REC, 1);
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rec->gui_data = data;
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signal_emit("keyboard created", 1, rec);
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return rec;
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}
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/* Destroys a keyboard */
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void keyboard_destroy(KEYBOARD_REC *keyboard)
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{
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signal_emit("keyboard destroyed", 1, keyboard);
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g_free_not_null(keyboard->key_state);
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g_free_not_null(keyboard->key_prev_state);
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g_free(keyboard);
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}
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static void key_destroy(KEY_REC *rec, GHashTable *hash)
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{
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g_hash_table_remove(hash, rec->key);
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g_free_not_null(rec->data);
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g_free(rec->key);
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g_free(rec);
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}
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static void key_default_add(const char *id, const char *key, const char *data)
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{
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KEYINFO_REC *info;
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KEY_REC *rec;
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info = key_info_find(id);
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if (info == NULL)
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return;
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rec = g_hash_table_lookup(default_keys, key);
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if (rec != NULL) {
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/* key already exists, replace */
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rec->info->default_keys =
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g_slist_remove(rec->info->default_keys, rec);
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key_destroy(rec, default_keys);
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}
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rec = g_new0(KEY_REC, 1);
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rec->key = g_strdup(key);
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rec->info = info;
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rec->data = g_strdup(data);
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info->default_keys = g_slist_append(info->default_keys, rec);
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g_hash_table_insert(default_keys, rec->key, rec);
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}
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static void keyconfig_save(const char *id, const char *key, const char *data)
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{
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@ -43,9 +141,10 @@ static void keyconfig_save(const char *id, const char *key, const char *data)
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/* remove old keyboard settings */
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node = iconfig_node_traverse("keyboard", TRUE);
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node = config_node_section(node, id, NODE_TYPE_BLOCK);
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node = config_node_section(node, key, NODE_TYPE_BLOCK);
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iconfig_node_set_str(node, key, data == NULL ? "" : data);
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iconfig_node_set_str(node, "id", id);
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iconfig_node_set_str(node, "data", data);
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}
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static void keyconfig_clear(const char *id, const char *key)
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@ -86,11 +185,12 @@ void key_bind(const char *id, const char *description,
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char *key;
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g_return_if_fail(id != NULL);
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g_return_if_fail(func != NULL);
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/* create key info record */
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info = key_info_find(id);
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if (info == NULL) {
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g_return_if_fail(func != NULL);
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if (description == NULL)
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g_warning("key_bind(%s) should have description!", id);
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info = g_new0(KEYINFO_REC, 1);
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@ -106,31 +206,26 @@ void key_bind(const char *id, const char *description,
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signal_emit("keyinfo created", 1, info);
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}
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if (key_default != NULL && *key_default != '\0')
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if (key_default != NULL && *key_default != '\0') {
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key_default_add(id, key_default, data);
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key_configure_add(id, key_default, data);
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}
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}
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static void keyinfo_remove(KEYINFO_REC *info)
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{
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GSList *tmp;
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g_return_if_fail(info != NULL);
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keyinfos = g_slist_remove(keyinfos, info);
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signal_emit("keyinfo destroyed", 1, info);
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/* destroy all keys */
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for (tmp = info->keys; tmp != NULL; tmp = tmp->next) {
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KEY_REC *rec = tmp->data;
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g_hash_table_remove(keys, rec->key);
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g_free_not_null(rec->data);
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g_free(rec->key);
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g_free(rec);
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}
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g_slist_foreach(info->keys, (GFunc) key_destroy, keys);
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g_slist_foreach(info->default_keys, (GFunc) key_destroy, default_keys);
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/* destroy key info */
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g_slist_free(info->keys);
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g_slist_free(info->default_keys);
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g_free_not_null(info->description);
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g_free(info->id);
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g_free(info);
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@ -156,6 +251,104 @@ void key_unbind(const char *id, SIGNAL_FUNC func)
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g_free(key);
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}
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static KEY_REC *key_combo_find(const char *key)
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{
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KEYINFO_REC *info;
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GSList *tmp;
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info = key_info_find("key");
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if (info == NULL)
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return NULL;
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for (tmp = info->keys; tmp != NULL; tmp = tmp->next) {
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KEY_REC *rec = tmp->data;
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if (strcmp(rec->data, key) == 0)
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return rec;
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}
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return NULL;
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}
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static void key_states_scan_key(const char *key, KEY_REC *rec, GString *temp)
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{
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char **keys, **tmp, *p;
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g_string_truncate(temp, 0);
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/* meta-^W^Gfoo -> meta-^W-^G-f-o-o */
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keys = g_strsplit(key, "-", -1);
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for (tmp = keys; *tmp != NULL; tmp++) {
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if (key_combo_find(*tmp)) {
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/* key combo */
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g_string_append(temp, *tmp);
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g_string_append_c(temp, '-');
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continue;
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}
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if (**tmp == '\0') {
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/* '-' */
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g_string_append(temp, "--");
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continue;
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}
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for (p = *tmp; *p != '\0'; p++) {
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g_string_append_c(temp, *p);
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if (*p == '^') {
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/* ctrl-code */
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if (p[1] != '\0')
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p++;
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g_string_append_c(temp, *p);
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}
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g_string_append_c(temp, '-');
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}
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}
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g_strfreev(keys);
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if (temp->len > 0)
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g_string_truncate(temp, temp->len-1);
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g_tree_insert(key_states, g_strdup(temp->str), rec);
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}
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static int key_state_destroy(char *key)
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{
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g_free(key);
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return FALSE;
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}
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/* Rescan all the key combos and figure out which characters are supposed
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to be treated as characters and which as key combos.
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Yes, this is pretty slow function... */
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static void key_states_rescan(void)
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{
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GString *temp;
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g_tree_traverse(key_states, (GTraverseFunc) key_state_destroy,
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G_IN_ORDER, NULL);
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g_tree_destroy(key_states);
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key_states = g_tree_new((GCompareFunc) strcmp);
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temp = g_string_new(NULL);
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g_hash_table_foreach(keys, (GHFunc) key_states_scan_key, temp);
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g_string_free(temp, TRUE);
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}
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void key_configure_freeze(void)
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{
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key_config_frozen++;
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}
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void key_configure_thaw(void)
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{
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g_return_if_fail(key_config_frozen > 0);
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if (--key_config_frozen == 0)
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key_states_rescan();
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}
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/* Configure new key */
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static void key_configure_create(const char *id, const char *key,
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const char *data)
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@ -178,6 +371,9 @@ static void key_configure_create(const char *id, const char *key,
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rec->data = g_strdup(data);
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info->keys = g_slist_append(info->keys, rec);
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g_hash_table_insert(keys, rec->key, rec);
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if (!key_config_frozen)
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key_states_rescan();
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}
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/* Configure new key */
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@ -197,6 +393,9 @@ static void key_configure_destroy(KEY_REC *rec)
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rec->info->keys = g_slist_remove(rec->info->keys, rec);
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g_hash_table_remove(keys, rec->key);
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if (!key_config_frozen)
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key_states_rescan();
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g_free_not_null(rec->data);
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g_free(rec->key);
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g_free(rec);
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@ -216,22 +415,116 @@ void key_configure_remove(const char *key)
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key_configure_destroy(rec);
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}
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int key_pressed(const char *key, void *data)
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static int key_emit_signal(KEYBOARD_REC *keyboard, KEY_REC *key)
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{
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int consumed;
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char *str;
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str = g_strconcat("key ", key->info->id, NULL);
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consumed = signal_emit(str, 3, key->data, keyboard->gui_data, key->info);
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g_free(str);
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return consumed;
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}
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int key_states_search(const char *combo, const char *search)
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{
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while (*search != '\0') {
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if (*combo != *search)
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return *search - *combo;
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search++; combo++;
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}
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return *combo == '\0' || *combo == '-' ? 0 : -1;
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}
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/* Returns TRUE if key press was consumed. Control characters should be sent
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as "^@" .. "^_" instead of #0..#31 chars, #127 should be sent as ^? */
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int key_pressed(KEYBOARD_REC *keyboard, const char *key)
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{
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KEY_REC *rec;
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char *str;
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int ret;
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int consumed;
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g_return_val_if_fail(key != NULL, FALSE);
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g_return_val_if_fail(keyboard != NULL, FALSE);
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g_return_val_if_fail(key != NULL && *key != '\0', FALSE);
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rec = g_hash_table_lookup(keys, key);
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if (rec == NULL) return FALSE;
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if (keyboard->key_state == NULL) {
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rec = g_tree_search(key_states,
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(GSearchFunc) key_states_search,
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(void *) key);
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if (rec == NULL || strcmp(rec->info->id, "key") != 0) {
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/* a single non-combo key was pressed */
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rec = g_hash_table_lookup(keys, key);
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if (rec == NULL)
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return FALSE;
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consumed = key_emit_signal(keyboard, rec);
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/* never consume non-control characters */
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return consumed && key[1] != '\0';
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}
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}
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if (keyboard->key_state == NULL) {
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/* first key in combo */
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rec = g_tree_lookup(key_states, (void *) key);
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} else {
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/* continuing key combination */
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str = g_strconcat(keyboard->key_state, "-", key, NULL);
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rec = g_tree_lookup(key_states, str);
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g_free(str);
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}
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if (rec != NULL && strcmp(rec->info->id, "key") == 0) {
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/* combo has a specified name, use it */
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g_free_not_null(keyboard->key_state);
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keyboard->key_state = g_strdup(rec->data);
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} else {
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/* some unnamed key - move key_state after key_prev_state
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and replace key_state with this new key */
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if (keyboard->key_prev_state == NULL)
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keyboard->key_prev_state = keyboard->key_state;
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else {
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str = g_strconcat(keyboard->key_prev_state, "-",
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keyboard->key_state, NULL);
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g_free(keyboard->key_prev_state);
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g_free(keyboard->key_state);
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keyboard->key_prev_state = str;
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}
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keyboard->key_state = g_strdup(key);
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}
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/* what to do with the key combo? */
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str = keyboard->key_prev_state == NULL ?
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g_strdup(keyboard->key_state) :
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g_strconcat(keyboard->key_prev_state, "-",
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keyboard->key_state, NULL);
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rec = g_tree_lookup(key_states, str);
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if (rec != NULL) {
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if (strcmp(rec->info->id, "key") == 0)
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rec = g_tree_lookup(key_states, rec->data);
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if (rec != NULL) {
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/* full key combo */
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key_emit_signal(keyboard, rec);
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rec = NULL;
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}
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} else {
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/* check that combo is possible */
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rec = g_tree_search(key_states,
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(GSearchFunc) key_states_search, str);
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}
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if (rec == NULL) {
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/* a) key combo finished, b) unknown key combo, abort */
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g_free_and_null(keyboard->key_prev_state);
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g_free_and_null(keyboard->key_state);
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}
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str = g_strconcat("key ", rec->info->id, NULL);
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ret = signal_emit(str, 3, rec->data, data, rec->info);
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g_free(str);
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return ret;
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return TRUE;
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}
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void keyboard_entry_redirect(SIGNAL_FUNC func, const char *entry,
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@ -255,45 +548,29 @@ static void sig_command(const char *data)
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g_free(str);
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}
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void read_keyinfo(KEYINFO_REC *info, CONFIG_NODE *node)
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static void sig_key(const char *data)
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{
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GSList *tmp;
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g_return_if_fail(info != NULL);
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g_return_if_fail(node != NULL);
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g_return_if_fail(is_node_list(node));
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/* remove all old keys */
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while (info->keys != NULL)
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key_configure_destroy(info->keys->data);
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/* add the new keys */
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for (tmp = node->value; tmp != NULL; tmp = tmp->next) {
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node = tmp->data;
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if (node->key != NULL)
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key_configure_create(info->id, node->key, node->value);
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}
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/* we should never get here */
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}
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static void read_keyboard_config(void)
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static void sig_multi(const char *data, void *gui_data)
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{
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KEYINFO_REC *info;
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CONFIG_NODE *node;
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GSList *tmp;
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KEYINFO_REC *info;
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char **list, **tmp, *p, *str;
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node = iconfig_node_traverse("keyboard", FALSE);
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if (node == NULL) return;
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list = g_strsplit(data, ";", -1);
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for (tmp = list; *tmp != NULL; tmp++) {
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p = strchr(*tmp, ' ');
|
||||
if (p != NULL) *p++ = '\0'; else p = "";
|
||||
|
||||
for (tmp = node->value; tmp != NULL; tmp = tmp->next) {
|
||||
node = tmp->data;
|
||||
|
||||
if (node->key == NULL || node->value == NULL)
|
||||
continue;
|
||||
|
||||
info = key_info_find(node->key);
|
||||
if (info != NULL) read_keyinfo(info, node);
|
||||
info = key_info_find(*tmp);
|
||||
if (info != NULL) {
|
||||
str = g_strconcat("key ", info->id, NULL);
|
||||
signal_emit(str, 3, p, gui_data, info);
|
||||
g_free(str);
|
||||
}
|
||||
}
|
||||
g_strfreev(list);
|
||||
}
|
||||
|
||||
static void cmd_show_keys(const char *searchkey, int full)
|
||||
|
|
@ -393,12 +670,89 @@ static void sig_complete_bind(GList **list, WINDOW_REC *window,
|
|||
if (*list != NULL) signal_stop();
|
||||
}
|
||||
|
||||
static int key_destroy_hash(const char *key, KEY_REC *rec)
|
||||
{
|
||||
rec->info->keys = g_slist_remove(rec->info->keys, rec);
|
||||
|
||||
g_free_not_null(rec->data);
|
||||
g_free(rec->key);
|
||||
g_free(rec);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void key_copy_default(const char *key, KEY_REC *orig)
|
||||
{
|
||||
KEY_REC *rec;
|
||||
|
||||
rec = g_new0(KEY_REC, 1);
|
||||
rec->key = g_strdup(orig->key);
|
||||
rec->info = orig->info;
|
||||
rec->data = g_strdup(orig->data);
|
||||
|
||||
rec->info->keys = g_slist_append(rec->info->keys, rec);
|
||||
g_hash_table_insert(keys, rec->key, rec);
|
||||
}
|
||||
|
||||
static void keyboard_reset_defaults(void)
|
||||
{
|
||||
g_hash_table_foreach_remove(keys, (GHRFunc) key_destroy_hash, NULL);
|
||||
g_hash_table_foreach(default_keys, (GHFunc) key_copy_default, NULL);
|
||||
}
|
||||
|
||||
static void read_keyboard_config(void)
|
||||
{
|
||||
CONFIG_NODE *node, *tmpnode;
|
||||
GSList *tmp;
|
||||
char *id, *data;
|
||||
|
||||
key_configure_freeze();
|
||||
|
||||
keyboard_reset_defaults();
|
||||
|
||||
node = iconfig_node_traverse("keyboard", FALSE);
|
||||
if (node == NULL) {
|
||||
key_configure_thaw();
|
||||
return;
|
||||
}
|
||||
|
||||
/* FIXME: backward "compatibility" - remove after irssi .99 */
|
||||
tmpnode = node->value;
|
||||
if (tmpnode != NULL &&
|
||||
config_node_get_str(tmpnode->value, "id", NULL) == NULL) {
|
||||
iconfig_node_clear(node);
|
||||
key_configure_thaw();
|
||||
return;
|
||||
}
|
||||
|
||||
for (tmp = node->value; tmp != NULL; tmp = tmp->next) {
|
||||
node = tmp->data;
|
||||
|
||||
if (node->key == NULL || node->value == NULL)
|
||||
continue;
|
||||
|
||||
id = config_node_get_str(node->value, "id", NULL);
|
||||
data = config_node_get_str(node->value, "data", NULL);
|
||||
if (id != NULL)
|
||||
key_configure_create(id, node->key, data);
|
||||
}
|
||||
|
||||
key_configure_thaw();
|
||||
}
|
||||
|
||||
void keyboard_init(void)
|
||||
{
|
||||
keys = g_hash_table_new((GHashFunc) g_istr_hash, (GCompareFunc) g_istr_equal);
|
||||
keys = g_hash_table_new((GHashFunc) g_str_hash,
|
||||
(GCompareFunc) g_str_equal);
|
||||
default_keys = g_hash_table_new((GHashFunc) g_str_hash,
|
||||
(GCompareFunc) g_str_equal);
|
||||
keyinfos = NULL;
|
||||
key_states = g_tree_new((GCompareFunc) strcmp);
|
||||
key_combos = NULL;
|
||||
key_config_frozen = 0;
|
||||
|
||||
key_bind("command", "Run any IRC command", NULL, NULL, (SIGNAL_FUNC) sig_command);
|
||||
key_bind("key", "Specify name for key binding", NULL, NULL, (SIGNAL_FUNC) sig_key);
|
||||
key_bind("multi", "Run multiple commands", NULL, NULL, (SIGNAL_FUNC) sig_multi);
|
||||
|
||||
/* read the keyboard config when all key binds are known */
|
||||
signal_add("irssi init read settings", (SIGNAL_FUNC) read_keyboard_config);
|
||||
|
|
@ -414,6 +768,11 @@ void keyboard_deinit(void)
|
|||
while (keyinfos != NULL)
|
||||
keyinfo_remove(keyinfos->data);
|
||||
g_hash_table_destroy(keys);
|
||||
g_hash_table_destroy(default_keys);
|
||||
|
||||
g_tree_traverse(key_states, (GTraverseFunc) key_state_destroy,
|
||||
G_IN_ORDER, NULL);
|
||||
g_tree_destroy(key_states);
|
||||
|
||||
signal_remove("irssi init read settings", (SIGNAL_FUNC) read_keyboard_config);
|
||||
signal_remove("setup reread", (SIGNAL_FUNC) read_keyboard_config);
|
||||
|
|
|
|||
|
|
@ -3,11 +3,13 @@
|
|||
|
||||
#include "signals.h"
|
||||
|
||||
typedef struct KEYBOARD_REC KEYBOARD_REC;
|
||||
|
||||
typedef struct {
|
||||
char *id;
|
||||
char *description;
|
||||
|
||||
GSList *keys;
|
||||
GSList *keys, *default_keys;
|
||||
} KEYINFO_REC;
|
||||
|
||||
typedef struct {
|
||||
|
|
@ -19,15 +21,27 @@ typedef struct {
|
|||
|
||||
extern GSList *keyinfos;
|
||||
|
||||
/* Creates a new "keyboard" - this is used only for keeping track of
|
||||
key combo states and sending the gui_data parameter in "key pressed"
|
||||
signal */
|
||||
KEYBOARD_REC *keyboard_create(void *gui_data);
|
||||
/* Destroys a keyboard */
|
||||
void keyboard_destroy(KEYBOARD_REC *keyboard);
|
||||
/* Returns TRUE if key press was consumed. Control characters should be sent
|
||||
as "^@" .. "^_" instead of #0..#31 chars, #127 should be sent as ^? */
|
||||
int key_pressed(KEYBOARD_REC *keyboard, const char *key);
|
||||
|
||||
void key_bind(const char *id, const char *description,
|
||||
const char *key_default, const char *data, SIGNAL_FUNC func);
|
||||
void key_unbind(const char *id, SIGNAL_FUNC func);
|
||||
|
||||
void key_configure_freeze(void);
|
||||
void key_configure_thaw(void);
|
||||
|
||||
void key_configure_add(const char *id, const char *key, const char *data);
|
||||
void key_configure_remove(const char *key);
|
||||
|
||||
KEYINFO_REC *key_info_find(const char *id);
|
||||
int key_pressed(const char *key, void *data);
|
||||
|
||||
#define ENTRY_REDIRECT_FLAG_HOTKEY 0x01
|
||||
#define ENTRY_REDIRECT_FLAG_HIDDEN 0x02
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue