// Check process.env.TERM ?
stdio.setRawMode(true);
this._tty = true;
- this.columns = stdio.getColumns();
// Cursor position on the line.
this.cursor = 0;
inherits(Interface, EventEmitter);
+Interface.prototype.__defineGetter__("columns", function () {
+ if (this._tty) {
+ return stdio.getColumns();
+ }
+});
Interface.prototype.setPrompt = function (prompt, length) {
this._prompt = prompt;
self._insertString(completions[0].slice(completeOn.length));
self._refreshLine();
} else {
- //TODO: Multi-column display. Request to show if more than N completions.
- self.output.write("\n");
- completions.forEach(function (c) {
- //TODO: try using '\r\n' instead of the following goop for getting to column 0
- self.output.write('\x1b[0G');
- self.output.write(c + "\n");
- })
- self.output.write('\n');
+ //TODO: If there is a common prefix to all matches (e.g. Python `sys.exi<Tab>`) then apply that portion
+ self.output.write("\r\n");
+ var width = completions.reduce(function(a, b) {
+ return a.length > b.length ? a : b;
+ }).length + 2; // 2 space padding
+ var maxColumns = Math.floor(this.columns / width) || 1;
+
+ function handleGroup(group) {
+ if (group.length == 0) {
+ return;
+ }
+ var minRows = Math.ceil(group.length / maxColumns);
+ for (var row = 0; row < minRows; row++) {
+ for (var col = 0; col < maxColumns; col++) {
+ var idx = row * maxColumns + col;
+ if (idx >= group.length) {
+ break;
+ }
+ var item = group[idx];
+ self.output.write(item);
+ if (col < maxColumns - 1) {
+ for (var s = 0; s < width - item.length; s++) {
+ self.output.write(' ');
+ }
+ }
+ }
+ self.output.write('\r\n');
+ }
+ self.output.write('\r\n');
+ }
+
+ var group = [], c;
+ for (var i = 0; i < completions.length; i++) {
+ c = completions[i];
+ if (c === "") {
+ handleGroup(group);
+ group = [];
+ } else {
+ group.push(c);
+ }
+ }
+ handleGroup(group);
self._refreshLine();
}
}