diff options
Diffstat (limited to 'usr.bin/tmux/mode-key.c')
| -rw-r--r-- | usr.bin/tmux/mode-key.c | 183 |
1 files changed, 162 insertions, 21 deletions
diff --git a/usr.bin/tmux/mode-key.c b/usr.bin/tmux/mode-key.c index b63772af836..df0c6e66fc4 100644 --- a/usr.bin/tmux/mode-key.c +++ b/usr.bin/tmux/mode-key.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mode-key.c,v 1.9 2009/07/27 20:36:13 nicm Exp $ */ +/* $OpenBSD: mode-key.c,v 1.10 2009/07/28 07:03:32 nicm Exp $ */ /* * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net> @@ -20,6 +20,71 @@ #include "tmux.h" +/* + * Mode keys. These are the key bindings used when editing (status prompt), and + * in the modes. They are split into two sets of three tables, one set of three + * for vi and the other for emacs key bindings. The three tables are for + * editing, for menu-like modes (choice, more), and for copy modes (copy, + * scroll). + * + * The fixed tables of struct mode_key_entry below are the defaults: they are + * built into a tree of struct mode_key_binding by mode_key_init_trees, which + * can then be modified. + * + * vi command mode is handled by having a mode flag in the struct which allows + * two sets of bindings to be swapped between. A couple of editing commands + * (MODEKEYEDIT_SWITCHMODE and MODEKEYEDIT_SWITCHMODEAPPEND) are special-cased + * to do this. + */ + +/* Edit keys command strings. */ +struct mode_key_cmdstr mode_key_cmdstr_edit[] = { + { MODEKEYEDIT_BACKSPACE, "backspace" }, + { MODEKEYEDIT_CANCEL, "cancel" }, + { MODEKEYEDIT_COMPLETE, "complete" }, + { MODEKEYEDIT_CURSORLEFT, "cursor-left" }, + { MODEKEYEDIT_CURSORRIGHT, "cursor-right" }, + { MODEKEYEDIT_DELETE, "delete" }, + { MODEKEYEDIT_DELETETOENDOFLINE, "delete-end-of-line" }, + { MODEKEYEDIT_ENDOFLINE, "end-of-line" }, + { MODEKEYEDIT_ENTER, "enter" }, + { MODEKEYEDIT_HISTORYDOWN, "history-down" }, + { MODEKEYEDIT_HISTORYUP, "history-up" }, + { MODEKEYEDIT_PASTE, "paste" }, + { MODEKEYEDIT_STARTOFLINE, "start-of-line" }, + { MODEKEYEDIT_SWITCHMODE, "switch-mode" }, + { MODEKEYEDIT_SWITCHMODEAPPEND, "switch-mode-append" }, +}; + +/* Choice keys command strings. */ +struct mode_key_cmdstr mode_key_cmdstr_choice[] = { + { MODEKEYCHOICE_CANCEL, "cancel" }, + { MODEKEYCHOICE_CHOOSE, "choose" }, + { MODEKEYCHOICE_DOWN, "down" }, + { MODEKEYCHOICE_PAGEDOWN, "page-down" }, + { MODEKEYCHOICE_PAGEUP, "page-up" }, + { MODEKEYCHOICE_UP, "up" }, +}; + +/* Copy keys command strings. */ +struct mode_key_cmdstr mode_key_cmdstr_copy[] = { + { MODEKEYCOPY_CANCEL, "cancel" }, + { MODEKEYCOPY_BACKTOINDENTATION, "back-to-indentation" }, + { MODEKEYCOPY_CLEARSELECTION, "clear-selection" }, + { MODEKEYCOPY_COPYSELECTION, "copy-selection" }, + { MODEKEYCOPY_DOWN, "cursor-down" }, + { MODEKEYCOPY_ENDOFLINE, "end-of-line" }, + { MODEKEYCOPY_LEFT, "cursor-left" }, + { MODEKEYCOPY_NEXTPAGE, "page-down" }, + { MODEKEYCOPY_NEXTWORD, "next-word" }, + { MODEKEYCOPY_PREVIOUSPAGE, "page-up" }, + { MODEKEYCOPY_PREVIOUSWORD, "previous-word" }, + { MODEKEYCOPY_RIGHT, "cursor-right" }, + { MODEKEYCOPY_STARTOFLINE, "start-of-line" }, + { MODEKEYCOPY_STARTSELECTION, "begin-selection" }, + { MODEKEYCOPY_UP, "cursor-up" }, +}; + /* vi editing keys. */ const struct mode_key_entry mode_key_vi_edit[] = { { '\003' /* C-c */, 0, MODEKEYEDIT_CANCEL }, @@ -53,6 +118,7 @@ const struct mode_key_entry mode_key_vi_edit[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_vi_edit; /* vi choice selection keys. */ const struct mode_key_entry mode_key_vi_choice[] = { @@ -68,6 +134,7 @@ const struct mode_key_entry mode_key_vi_choice[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_vi_choice; /* vi copy mode keys. */ const struct mode_key_entry mode_key_vi_copy[] = { @@ -98,6 +165,7 @@ const struct mode_key_entry mode_key_vi_copy[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_vi_copy; /* emacs editing keys. */ const struct mode_key_entry mode_key_emacs_edit[] = { @@ -123,6 +191,7 @@ const struct mode_key_entry mode_key_emacs_edit[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_emacs_edit; /* emacs choice selection keys. */ const struct mode_key_entry mode_key_emacs_choice[] = { @@ -137,6 +206,7 @@ const struct mode_key_entry mode_key_emacs_choice[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_emacs_choice; /* emacs copy mode keys. */ const struct mode_key_entry mode_key_emacs_copy[] = { @@ -168,34 +238,105 @@ const struct mode_key_entry mode_key_emacs_copy[] = { { 0, -1, 0 } }; +struct mode_key_tree mode_key_tree_emacs_copy; + +/* Table mapping key table names to default settings and trees. */ +const struct mode_key_table mode_key_tables[] = { + { "vi-edit", mode_key_cmdstr_edit, + &mode_key_tree_vi_edit, mode_key_vi_edit }, + { "vi-choice", mode_key_cmdstr_choice, + &mode_key_tree_vi_choice, mode_key_vi_choice }, + { "vi-copy", mode_key_cmdstr_copy, + &mode_key_tree_vi_copy, mode_key_vi_copy }, + { "emacs-edit", mode_key_cmdstr_edit, + &mode_key_tree_emacs_edit, mode_key_emacs_edit }, + { "emacs-choice", mode_key_cmdstr_choice, + &mode_key_tree_emacs_choice, mode_key_emacs_choice }, + { "emacs-copy", mode_key_cmdstr_copy, + &mode_key_tree_emacs_copy, mode_key_emacs_copy }, + + { NULL, NULL, NULL, NULL } +}; + +SPLAY_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp); + +int +mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2) +{ + if (mbind1->mode != mbind2->mode) + return (mbind1->mode - mbind2->mode); + return (mbind1->key - mbind2->key); +} + +const char * +mode_key_tostring(struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd) +{ + for (; cmdstr->name != NULL; cmdstr++) { + if (cmdstr->cmd == cmd) + return (cmdstr->name); + } + return (NULL); +} void -mode_key_init(struct mode_key_data *mdata, const struct mode_key_entry *table) +mode_key_init_trees(void) { - mdata->table = table; + const struct mode_key_table *mtab; + const struct mode_key_entry *ment; + struct mode_key_binding *mbind; + + for (mtab = mode_key_tables; mtab->name != NULL; mtab++) { + SPLAY_INIT(mtab->tree); + for (ment = mtab->table; ment->mode != -1; ment++) { + mbind = xmalloc(sizeof *mbind); + mbind->key = ment->key; + mbind->mode = ment->mode; + mbind->cmd = ment->cmd; + SPLAY_INSERT(mode_key_tree, mtab->tree, mbind); + } + } +} + +void +mode_key_free_trees(void) +{ + const struct mode_key_table *mtab; + struct mode_key_binding *mbind; + + for (mtab = mode_key_tables; mtab->name != NULL; mtab++) { + while (!SPLAY_EMPTY(mtab->tree)) { + mbind = SPLAY_ROOT(mtab->tree); + SPLAY_REMOVE(mode_key_tree, mtab->tree, mbind); + } + } +} + +void +mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree) +{ + mdata->tree = mtree; mdata->mode = 0; } enum mode_key_cmd mode_key_lookup(struct mode_key_data *mdata, int key) { - const struct mode_key_entry *ment; - int mode; - - mode = mdata->mode; - for (ment = mdata->table; ment->mode != -1; ment++) { - if (ment->mode == mode && key == ment->key) { - switch (ment->cmd) { - case MODEKEYEDIT_SWITCHMODE: - case MODEKEYEDIT_SWITCHMODEAPPEND: - mdata->mode = 1 - mdata->mode; - /* FALLTHROUGH */ - default: - return (ment->cmd); - } - } + struct mode_key_binding *mbind, mtmp; + + mtmp.key = key; + mtmp.mode = mdata->mode; + if ((mbind = SPLAY_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) { + if (mdata->mode != 0) + return (MODEKEY_NONE); + return (MODEKEY_OTHER); + } + + switch (mbind->cmd) { + case MODEKEYEDIT_SWITCHMODE: + case MODEKEYEDIT_SWITCHMODEAPPEND: + mdata->mode = 1 - mdata->mode; + /* FALLTHROUGH */ + default: + return (mbind->cmd); } - if (mode != 0) - return (MODEKEY_NONE); - return (MODEKEY_OTHER); } |