Next step towards customisable mode keys: build each default table of keys into

a named tree on start and use that for lookups. Also add command to string
translation tables and modify list-keys to show the the mode key bindings (new
-t argument).

1 files changed, 44 insertions, 12 deletions

diff --git a/tmux.h b/tmux.h
index af0fed59..9d5898ae 100644
--- a/tmux.h
+++ b/tmux.h
@@ -356,7 +356,7 @@ struct msg_unlock_data {
 	char	       	pass[PASS_MAX];
 };
 
-/* Editing keys. */
+/* Mode key commands. */
 enum mode_key_cmd {
 	MODEKEY_NONE,
 	MODEKEY_OTHER,
@@ -404,6 +404,7 @@ enum mode_key_cmd {
 	MODEKEYCOPY_UP,
 };
 
+/* Entry in the default mode key tables. */
 struct mode_key_entry {
 	int			key;
 
@@ -414,16 +415,42 @@ struct mode_key_entry {
 	 * keys to be bound in edit mode.
 	 */
 	int			mode;
-
 	enum mode_key_cmd	cmd;
 };
+
+/* Data required while mode keys are in use. */
 struct mode_key_data {
-	const struct mode_key_entry *table;
-	int	mode;
+	struct mode_key_tree   *tree;
+	int			mode;
 };
 #define MODEKEY_EMACS 0
 #define MODEKEY_VI 1
 
+/* Binding between a key and a command. */
+struct mode_key_binding {
+	int			key;
+
+	int			mode;
+	enum mode_key_cmd	cmd;
+
+	SPLAY_ENTRY(mode_key_binding) entry;
+};
+SPLAY_HEAD(mode_key_tree, mode_key_binding);
+
+/* Command to string mapping. */
+struct mode_key_cmdstr {
+	enum mode_key_cmd      	 cmd;
+	const char		*name;
+};
+
+/* Named mode key table description. */
+struct mode_key_table {
+	const char	       	*name;
+	struct mode_key_cmdstr	*cmdstr;
+	struct mode_key_tree	*tree;
+	const struct mode_key_entry *table;	/* default entries */
+};
+
 /* Modes. */
 #define MODE_CURSOR 0x1
 #define MODE_INSERT 0x2
@@ -1061,14 +1088,19 @@ void		 sighandler(int);
 int		 load_cfg(const char *, char **x);
 
 /* mode-key.c */
-extern const struct mode_key_entry mode_key_vi_edit[];
-extern const struct mode_key_entry mode_key_vi_choice[];
-extern const struct mode_key_entry mode_key_vi_copy[];
-extern const struct mode_key_entry mode_key_emacs_edit[];
-extern const struct mode_key_entry mode_key_emacs_choice[];
-extern const struct mode_key_entry mode_key_emacs_copy[];
-void		 mode_key_init(
-    		     struct mode_key_data *, const struct mode_key_entry *);
+extern const struct mode_key_table mode_key_tables[];
+extern struct mode_key_tree mode_key_tree_vi_edit;
+extern struct mode_key_tree mode_key_tree_vi_choice;
+extern struct mode_key_tree mode_key_tree_vi_copy;
+extern struct mode_key_tree mode_key_tree_emacs_edit;
+extern struct mode_key_tree mode_key_tree_emacs_choice;
+extern struct mode_key_tree mode_key_tree_emacs_copy;
+int	mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
+SPLAY_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
+const char *mode_key_tostring(struct mode_key_cmdstr *r, enum mode_key_cmd);
+void	mode_key_init_trees(void);
+void	mode_key_free_trees(void);
+void	mode_key_init(struct mode_key_data *, struct mode_key_tree *);
 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int);
 
 /* options.c */