readNormalEvent is used to read a normal event on the client side. For keys, digits are interpreted as command counts but this is only done for digits preceding any non-digit characters (e.g. "42y2k" as 42 times "y2k").
(ev tcell.Event, nav *nav)
| 1367 | // digits are interpreted as command counts but this is only done for digits |
| 1368 | // preceding any non-digit characters (e.g. "42y2k" as 42 times "y2k"). |
| 1369 | func (ui *ui) readNormalEvent(ev tcell.Event, nav *nav) expr { |
| 1370 | draw := &callExpr{"draw", nil, 1} |
| 1371 | |
| 1372 | keys := gOpts.nkeys |
| 1373 | if nav.isVisualMode() { |
| 1374 | keys = gOpts.vkeys |
| 1375 | } |
| 1376 | |
| 1377 | switch tev := ev.(type) { |
| 1378 | case *tcell.EventKey: |
| 1379 | if ui.pasteEvent { |
| 1380 | return nil |
| 1381 | } |
| 1382 | |
| 1383 | isDigitKey := func(*tcell.EventKey) bool { |
| 1384 | if tev.Key() != tcell.KeyRune || tev.Modifiers() != tcell.ModNone { |
| 1385 | return false |
| 1386 | } |
| 1387 | |
| 1388 | s := tev.Str() |
| 1389 | return len(s) == 1 && s[0] >= '0' && s[0] <= '9' |
| 1390 | } |
| 1391 | |
| 1392 | switch { |
| 1393 | case tev.Key() == tcell.KeyEsc && ui.keyAcc != "": |
| 1394 | ui.keyAcc = "" |
| 1395 | ui.keyCount = "" |
| 1396 | ui.menu = "" |
| 1397 | return draw |
| 1398 | case isDigitKey(tev) && ui.keyAcc == "": |
| 1399 | ui.keyCount += tev.Str() |
| 1400 | return draw |
| 1401 | default: |
| 1402 | ui.keyAcc += readKey(tev) |
| 1403 | } |
| 1404 | |
| 1405 | binds, exact := findBinds(keys, ui.keyAcc) |
| 1406 | if len(binds) == 0 { |
| 1407 | ui.echoerrf("unknown mapping: %s", ui.keyAcc) |
| 1408 | ui.keyAcc = "" |
| 1409 | ui.keyCount = "" |
| 1410 | ui.menu = "" |
| 1411 | return draw |
| 1412 | } |
| 1413 | if !exact { |
| 1414 | if gOpts.showbinds { |
| 1415 | // mode and already typed keys are obvious here; no need to clutter the menu |
| 1416 | ui.menu = listMatchingBinds(binds, ui.keyAcc) |
| 1417 | } |
| 1418 | return draw |
| 1419 | } |
| 1420 | |
| 1421 | expr := keys[ui.keyAcc] |
| 1422 | if ui.keyCount != "" { |
| 1423 | if count, err := strconv.Atoi(ui.keyCount); err != nil { |
| 1424 | log.Printf("converting command count: %s", err) |
| 1425 | } else if count > 0 { |
| 1426 | switch e := expr.(type) { |