static const char *gotoline(Vis *vis, const char *keys, const Arg *arg) {
if (vis_count_get(vis))
vis_motion(vis, VIS_MOVE_LINE);
else if (arg->i < 0)
vis_motion(vis, VIS_MOVE_FILE_BEGIN);
else
vis_motion(vis, VIS_MOVE_FILE_END);
return keys;
}
bool vis_prompt_cmd(Vis *vis, const char *cmd) {
if (!cmd || !cmd[0] || !cmd[1])
return true;
switch (cmd[0]) {
case '/':
return vis_motion(vis, VIS_MOVE_SEARCH_FORWARD, cmd+1);
case '?':
return vis_motion(vis, VIS_MOVE_SEARCH_BACKWARD, cmd+1);
case '+':
case ':':
register_put0(vis, &vis->registers[VIS_REG_COMMAND], cmd+1);
return vis_cmd(vis, cmd+1);
default:
return false;
}
}
static void vis_mode_visual_line_enter(Vis *vis, Mode *old) {
if (!old->visual) {
for (Cursor *c = view_cursors(vis->win->view); c; c = view_cursors_next(c))
view_cursors_selection_start(c);
}
vis_motion(vis, VIS_MOVE_NOP);
}
static const char *movement_key(Vis *vis, const char *keys, const Arg *arg) {
if (!keys[0])
return NULL;
char key[32];
const char *next = vis_keys_next(vis, keys);
strncpy(key, keys, next - keys + 1);
key[sizeof(key)-1] = '\0';
vis_motion(vis, arg->i, key);
return next;
}
static const char *count(Vis *vis, const char *keys, const Arg *arg) {
int digit = keys[-1] - '0';
int count = vis_count_get(vis);
if (0 <= digit && digit <= 9) {
if (digit == 0 && count == 0)
vis_motion(vis, VIS_MOVE_LINE_BEGIN);
vis_count_set(vis, count * 10 + digit);
}
return keys;
}
static const char *prompt_backspace(Vis *vis, const char *keys, const Arg *arg) {
Win *prompt = vis->win;
Text *txt = prompt->file->text;
size_t size = text_size(txt);
size_t pos = view_cursor_get(prompt->view);
char c;
if (pos == size && (pos == 1 || (size >= 2 && text_byte_get(txt, size-2, &c) && c == '\n'))) {
prompt_restore(prompt);
prompt_hide(prompt);
} else {
vis_operator(vis, VIS_OP_DELETE);
vis_motion(vis, VIS_MOVE_CHAR_PREV);
}
return keys;
}
static const char *replace(Vis *vis, const char *keys, const Arg *arg) {
if (!keys[0])
return NULL;
const char *next = vis_keys_next(vis, keys);
if (!next)
return NULL;
size_t len = next - keys;
char key[len+1];
memcpy(key, keys, len);
key[len] = '\0';
vis_operator(vis, VIS_OP_REPLACE);
vis_motion(vis, VIS_MOVE_NOP);
vis_keys_inject(vis, next, key);
vis_keys_inject(vis, next+len, "<Escape>");
return next;
}
bool vis_operator(Vis *vis, enum VisOperator id, ...) {
va_list ap;
va_start(ap, id);
switch (id) {
case VIS_OP_CASE_LOWER:
case VIS_OP_CASE_UPPER:
case VIS_OP_CASE_SWAP:
vis->action.arg.i = id;
id = VIS_OP_CASE_SWAP;
break;
case VIS_OP_CURSOR_SOL:
case VIS_OP_CURSOR_EOL:
vis->action.arg.i = id;
id = VIS_OP_CURSOR_SOL;
break;
case VIS_OP_PUT_AFTER:
case VIS_OP_PUT_AFTER_END:
case VIS_OP_PUT_BEFORE:
case VIS_OP_PUT_BEFORE_END:
vis->action.arg.i = id;
id = VIS_OP_PUT_AFTER;
break;
case VIS_OP_FILTER:
vis->action.arg.s = va_arg(ap, char*);
/* fall through */
case VIS_OP_SHIFT_LEFT:
case VIS_OP_SHIFT_RIGHT:
vis_motion_type(vis, VIS_MOTIONTYPE_LINEWISE);
break;
default:
break;
}
if (id >= LENGTH(vis_operators))
goto err;
const Operator *op = &vis_operators[id];
if (vis->mode->visual) {
vis->action.op = op;
action_do(vis, &vis->action);
goto out;
}
/* switch to operator mode inorder to make operator options and
* text-object available */
vis_mode_switch(vis, VIS_MODE_OPERATOR_PENDING);
if (vis->action.op == op) {
/* hacky way to handle double operators i.e. things like
* dd, yy etc where the second char isn't a movement */
vis->action.type = LINEWISE;
vis_motion(vis, VIS_MOVE_LINE_NEXT);
} else {
vis->action.op = op;
}
/* put is not a real operator, does not need a range to operate on */
if (id == VIS_OP_PUT_AFTER)
vis_motion(vis, VIS_MOVE_NOP);
out:
va_end(ap);
return true;
err:
va_end(ap);
return false;
}
static const char *mark_motion(Vis *vis, const char *keys, const Arg *arg) {
int mark;
keys = key2mark(vis, keys, &mark);
vis_motion(vis, arg->i, mark);
return keys;
}
static const char *movement(Vis *vis, const char *keys, const Arg *arg) {
vis_motion(vis, arg->i);
return keys;
}
static const char *prompt_up(Vis *vis, const char *keys, const Arg *arg) {
vis_motion(vis, VIS_MOVE_LINE_UP);
vis_window_mode_unmap(vis->win, VIS_MODE_INSERT, "<Up>");
view_options_set(vis->win->view, UI_OPTION_NONE);
return keys;
}
