diff options
| -rw-r--r-- | vis-cmds.c | 77 |
1 files changed, 77 insertions, 0 deletions
@@ -76,6 +76,9 @@ static bool cmd_filter(Vis*, Filerange*, enum CmdOpt, const char *argv[]); static bool cmd_earlier_later(Vis*, Filerange*, enum CmdOpt, const char *argv[]); /* dump current key bindings */ static bool cmd_help(Vis*, Filerange*, enum CmdOpt, const char *argv[]); +/* change runtime key bindings */ +static bool cmd_map(Vis*, Filerange*, enum CmdOpt, const char *argv[]); +static bool cmd_unmap(Vis*, Filerange*, enum CmdOpt, const char *argv[]); /* command recognized at the ':'-prompt. commands are found using a unique * prefix match. that is if a command should be available under an abbreviation @@ -86,6 +89,8 @@ static Command cmds[] = { { { "bdelete" }, cmd_bdelete, CMD_OPT_FORCE }, { { "edit" }, cmd_edit, CMD_OPT_FORCE }, { { "help" }, cmd_help, CMD_OPT_NONE }, + { { "map", }, cmd_map, CMD_OPT_FORCE|CMD_OPT_ARGS }, + { { "unmap", }, cmd_unmap, CMD_OPT_ARGS }, { { "new" }, cmd_new, CMD_OPT_NONE }, { { "open" }, cmd_open, CMD_OPT_NONE }, { { "qall" }, cmd_qall, CMD_OPT_FORCE }, @@ -898,6 +903,78 @@ static bool cmd_help(Vis *vis, Filerange *range, enum CmdOpt opt, const char *ar return true; } +static enum VisMode getmode(const char *mode) { + const char *modes[] = { + [VIS_MODE_NORMAL] = "normal", + [VIS_MODE_OPERATOR_PENDING] = "operator-pending", + [VIS_MODE_VISUAL] = "visual", + [VIS_MODE_VISUAL_LINE] = "visual-line", + [VIS_MODE_INSERT] = "insert", + [VIS_MODE_REPLACE] = "replace", + }; + + for (size_t i = 0; i < LENGTH(modes); i++) { + if (mode && modes[i] && strcmp(mode, modes[i]) == 0) + return i; + } + return VIS_MODE_LAST; +} + +static bool cmd_map(Vis *vis, Filerange *range, enum CmdOpt opt, const char *argv[]) { + enum VisMode mode = getmode(argv[1]); + const char *lhs = argv[2]; + const char *rhs = argv[3]; + if (mode == VIS_MODE_LAST || !lhs || !rhs) { + vis_info_show(vis, "usage: map mode lhs rhs\n"); + return false; + } + + KeyBinding *binding = calloc(1, sizeof *binding); + if (!binding) + return false; + if (rhs[0] == '<') { + const char *next = vis_keys_next(vis, rhs); + if (next && next[-1] == '>') { + const char *start = rhs + 1; + const char *end = next - 1; + char key[64]; + if (end > start && end - start - 1 < (ptrdiff_t)sizeof key) { + memcpy(key, start, end - start); + key[end - start] = '\0'; + binding->action = map_get(vis->actions, key); + } + } + } + + if (!binding->action) { + binding->alias = strdup(rhs); + if (!binding->alias) { + free(binding); + return false; + } + } + + bool mapped = vis_mode_map(vis, mode, lhs, binding); + if (!mapped && opt & CMD_OPT_FORCE) { + mapped = vis_mode_unmap(vis, mode, lhs) && + vis_mode_map(vis, mode, lhs, binding); + } + + if (!mapped) + free(binding); + return mapped; +} + +static bool cmd_unmap(Vis *vis, Filerange *range, enum CmdOpt opt, const char *argv[]) { + enum VisMode mode = getmode(argv[1]); + const char *lhs = argv[2]; + if (mode == VIS_MODE_LAST || !lhs) { + vis_info_show(vis, "usage: unmap mode lhs rhs\n"); + return false; + } + return vis_mode_unmap(vis, mode, lhs); +} + static Filepos parse_pos(Win *win, char **cmd) { size_t pos = EPOS; View *view = win->view; |