cmd/micro/bindings.go

   1 package main
   2
   3 import (
   4         "fmt"
   5         "io/ioutil"
   6         "os"
   7         "strings"
   8         "unicode"
   9
  10         "github.com/flynn/json5"
  11         "github.com/zyedidia/tcell"
  12 )
  13
  14 var bindingsStr map[string]string
  15 var bindings map[Key][]func(*View, bool) bool
  16 var mouseBindings map[Key][]func(*View, bool, *tcell.EventMouse) bool
  17 var helpBinding string
  18 var kmenuBinding string
  19
  20 var mouseBindingActions = map[string]func(*View, bool, *tcell.EventMouse) bool{
  21         "MousePress":       (*View).MousePress,
  22         "MouseMultiCursor": (*View).MouseMultiCursor,
  23 }
  24
  25 var bindingActions = map[string]func(*View, bool) bool{
  26         "CursorUp":              (*View).CursorUp,
  27         "CursorDown":            (*View).CursorDown,
  28         "CursorPageUp":          (*View).CursorPageUp,
  29         "CursorPageDown":        (*View).CursorPageDown,
  30         "CursorLeft":            (*View).CursorLeft,
  31         "CursorRight":           (*View).CursorRight,
  32         "CursorStart":           (*View).CursorStart,
  33         "CursorEnd":             (*View).CursorEnd,
  34         "SelectToStart":         (*View).SelectToStart,
  35         "SelectToEnd":           (*View).SelectToEnd,
  36         "SelectUp":              (*View).SelectUp,
  37         "SelectDown":            (*View).SelectDown,
  38         "SelectLeft":            (*View).SelectLeft,
  39         "SelectRight":           (*View).SelectRight,
  40         "WordRight":             (*View).WordRight,
  41         "WordLeft":              (*View).WordLeft,
  42         "SelectWordRight":       (*View).SelectWordRight,
  43         "SelectWordLeft":        (*View).SelectWordLeft,
  44         "DeleteWordRight":       (*View).DeleteWordRight,
  45         "DeleteWordLeft":        (*View).DeleteWordLeft,
  46         "SelectLine":            (*View).SelectLine,
  47         "SelectToStartOfLine":   (*View).SelectToStartOfLine,
  48         "SelectToEndOfLine":     (*View).SelectToEndOfLine,
  49         "ParagraphPrevious":     (*View).ParagraphPrevious,
  50         "ParagraphNext":         (*View).ParagraphNext,
  51         "InsertNewline":         (*View).InsertNewline,
  52         "InsertSpace":           (*View).InsertSpace,
  53         "Backspace":             (*View).Backspace,
  54         "Delete":                (*View).Delete,
  55         "InsertTab":             (*View).InsertTab,
  56         "Save":                  (*View).Save,
  57         "SaveAll":               (*View).SaveAll,
  58         "SaveAs":                (*View).SaveAs,
  59         "Find":                  (*View).Find,
  60         "FindNext":              (*View).FindNext,
  61         "FindPrevious":          (*View).FindPrevious,
  62         "Center":                (*View).Center,
  63         "Undo":                  (*View).Undo,
  64         "Redo":                  (*View).Redo,
  65         "Copy":                  (*View).Copy,
  66         "Cut":                   (*View).Cut,
  67         "CutLine":               (*View).CutLine,
  68         "DuplicateLine":         (*View).DuplicateLine,
  69         "DeleteLine":            (*View).DeleteLine,
  70         "MoveLinesUp":           (*View).MoveLinesUp,
  71         "MoveLinesDown":         (*View).MoveLinesDown,
  72         "IndentSelection":       (*View).IndentSelection,
  73         "OutdentSelection":      (*View).OutdentSelection,
  74         "OutdentLine":           (*View).OutdentLine,
  75         "Paste":                 (*View).Paste,
  76         "PastePrimary":          (*View).PastePrimary,
  77         "SelectAll":             (*View).SelectAll,
  78         "OpenFile":              (*View).OpenFile,
  79         "Start":                 (*View).Start,
  80         "End":                   (*View).End,
  81         "PageUp":                (*View).PageUp,
  82         "PageDown":              (*View).PageDown,
  83         "HalfPageUp":            (*View).HalfPageUp,
  84         "HalfPageDown":          (*View).HalfPageDown,
  85         "StartOfLine":           (*View).StartOfLine,
  86         "EndOfLine":             (*View).EndOfLine,
  87         "ToggleHelp":            (*View).ToggleHelp,
  88         "ToggleKeyMenu":         (*View).ToggleKeyMenu,
  89         "ToggleRuler":           (*View).ToggleRuler,
  90         "JumpLine":              (*View).JumpLine,
  91         "ClearStatus":           (*View).ClearStatus,
  92         "ShellMode":             (*View).ShellMode,
  93         "CommandMode":           (*View).CommandMode,
  94         "ToggleOverwriteMode":   (*View).ToggleOverwriteMode,
  95         "Escape":                (*View).Escape,
  96         "Quit":                  (*View).Quit,
  97         "QuitAll":               (*View).QuitAll,
  98         "AddTab":                (*View).AddTab,
  99         "PreviousTab":           (*View).PreviousTab,
 100         "NextTab":               (*View).NextTab,
 101         "NextSplit":             (*View).NextSplit,
 102         "PreviousSplit":         (*View).PreviousSplit,
 103         "Unsplit":               (*View).Unsplit,
 104         "VSplit":                (*View).VSplitBinding,
 105         "HSplit":                (*View).HSplitBinding,
 106         "ToggleMacro":           (*View).ToggleMacro,
 107         "PlayMacro":             (*View).PlayMacro,
 108         "Suspend":               (*View).Suspend,
 109         "ScrollUp":              (*View).ScrollUpAction,
 110         "ScrollDown":            (*View).ScrollDownAction,
 111         "SpawnMultiCursor":      (*View).SpawnMultiCursor,
 112         "RemoveMultiCursor":     (*View).RemoveMultiCursor,
 113         "RemoveAllMultiCursors": (*View).RemoveAllMultiCursors,
 114         "SkipMultiCursor":       (*View).SkipMultiCursor,
 115         "JumpToMatchingBrace":   (*View).JumpToMatchingBrace,
 116
 117         // This was changed to InsertNewline but I don't want to break backwards compatibility
 118         "InsertEnter": (*View).InsertNewline,
 119 }
 120
 121 var bindingMouse = map[string]tcell.ButtonMask{
 122         "MouseLeft":       tcell.Button1,
 123         "MouseMiddle":     tcell.Button2,
 124         "MouseRight":      tcell.Button3,
 125         "MouseWheelUp":    tcell.WheelUp,
 126         "MouseWheelDown":  tcell.WheelDown,
 127         "MouseWheelLeft":  tcell.WheelLeft,
 128         "MouseWheelRight": tcell.WheelRight,
 129 }
 130
 131 var bindingKeys = map[string]tcell.Key{
 132         "Up":             tcell.KeyUp,
 133         "Down":           tcell.KeyDown,
 134         "Right":          tcell.KeyRight,
 135         "Left":           tcell.KeyLeft,
 136         "UpLeft":         tcell.KeyUpLeft,
 137         "UpRight":        tcell.KeyUpRight,
 138         "DownLeft":       tcell.KeyDownLeft,
 139         "DownRight":      tcell.KeyDownRight,
 140         "Center":         tcell.KeyCenter,
 141         "PageUp":         tcell.KeyPgUp,
 142         "PageDown":       tcell.KeyPgDn,
 143         "Home":           tcell.KeyHome,
 144         "End":            tcell.KeyEnd,
 145         "Insert":         tcell.KeyInsert,
 146         "Delete":         tcell.KeyDelete,
 147         "Help":           tcell.KeyHelp,
 148         "Exit":           tcell.KeyExit,
 149         "Clear":          tcell.KeyClear,
 150         "Cancel":         tcell.KeyCancel,
 151         "Print":          tcell.KeyPrint,
 152         "Pause":          tcell.KeyPause,
 153         "Backtab":        tcell.KeyBacktab,
 154         "F1":             tcell.KeyF1,
 155         "F2":             tcell.KeyF2,
 156         "F3":             tcell.KeyF3,
 157         "F4":             tcell.KeyF4,
 158         "F5":             tcell.KeyF5,
 159         "F6":             tcell.KeyF6,
 160         "F7":             tcell.KeyF7,
 161         "F8":             tcell.KeyF8,
 162         "F9":             tcell.KeyF9,
 163         "F10":            tcell.KeyF10,
 164         "F11":            tcell.KeyF11,
 165         "F12":            tcell.KeyF12,
 166         "F13":            tcell.KeyF13,
 167         "F14":            tcell.KeyF14,
 168         "F15":            tcell.KeyF15,
 169         "F16":            tcell.KeyF16,
 170         "F17":            tcell.KeyF17,
 171         "F18":            tcell.KeyF18,
 172         "F19":            tcell.KeyF19,
 173         "F20":            tcell.KeyF20,
 174         "F21":            tcell.KeyF21,
 175         "F22":            tcell.KeyF22,
 176         "F23":            tcell.KeyF23,
 177         "F24":            tcell.KeyF24,
 178         "F25":            tcell.KeyF25,
 179         "F26":            tcell.KeyF26,
 180         "F27":            tcell.KeyF27,
 181         "F28":            tcell.KeyF28,
 182         "F29":            tcell.KeyF29,
 183         "F30":            tcell.KeyF30,
 184         "F31":            tcell.KeyF31,
 185         "F32":            tcell.KeyF32,
 186         "F33":            tcell.KeyF33,
 187         "F34":            tcell.KeyF34,
 188         "F35":            tcell.KeyF35,
 189         "F36":            tcell.KeyF36,
 190         "F37":            tcell.KeyF37,
 191         "F38":            tcell.KeyF38,
 192         "F39":            tcell.KeyF39,
 193         "F40":            tcell.KeyF40,
 194         "F41":            tcell.KeyF41,
 195         "F42":            tcell.KeyF42,
 196         "F43":            tcell.KeyF43,
 197         "F44":            tcell.KeyF44,
 198         "F45":            tcell.KeyF45,
 199         "F46":            tcell.KeyF46,
 200         "F47":            tcell.KeyF47,
 201         "F48":            tcell.KeyF48,
 202         "F49":            tcell.KeyF49,
 203         "F50":            tcell.KeyF50,
 204         "F51":            tcell.KeyF51,
 205         "F52":            tcell.KeyF52,
 206         "F53":            tcell.KeyF53,
 207         "F54":            tcell.KeyF54,
 208         "F55":            tcell.KeyF55,
 209         "F56":            tcell.KeyF56,
 210         "F57":            tcell.KeyF57,
 211         "F58":            tcell.KeyF58,
 212         "F59":            tcell.KeyF59,
 213         "F60":            tcell.KeyF60,
 214         "F61":            tcell.KeyF61,
 215         "F62":            tcell.KeyF62,
 216         "F63":            tcell.KeyF63,
 217         "F64":            tcell.KeyF64,
 218         "CtrlSpace":      tcell.KeyCtrlSpace,
 219         "CtrlA":          tcell.KeyCtrlA,
 220         "CtrlB":          tcell.KeyCtrlB,
 221         "CtrlC":          tcell.KeyCtrlC,
 222         "CtrlD":          tcell.KeyCtrlD,
 223         "CtrlE":          tcell.KeyCtrlE,
 224         "CtrlF":          tcell.KeyCtrlF,
 225         "CtrlG":          tcell.KeyCtrlG,
 226         "CtrlH":          tcell.KeyCtrlH,
 227         "CtrlI":          tcell.KeyCtrlI,
 228         "CtrlJ":          tcell.KeyCtrlJ,
 229         "CtrlK":          tcell.KeyCtrlK,
 230         "CtrlL":          tcell.KeyCtrlL,
 231         "CtrlM":          tcell.KeyCtrlM,
 232         "CtrlN":          tcell.KeyCtrlN,
 233         "CtrlO":          tcell.KeyCtrlO,
 234         "CtrlP":          tcell.KeyCtrlP,
 235         "CtrlQ":          tcell.KeyCtrlQ,
 236         "CtrlR":          tcell.KeyCtrlR,
 237         "CtrlS":          tcell.KeyCtrlS,
 238         "CtrlT":          tcell.KeyCtrlT,
 239         "CtrlU":          tcell.KeyCtrlU,
 240         "CtrlV":          tcell.KeyCtrlV,
 241         "CtrlW":          tcell.KeyCtrlW,
 242         "CtrlX":          tcell.KeyCtrlX,
 243         "CtrlY":          tcell.KeyCtrlY,
 244         "CtrlZ":          tcell.KeyCtrlZ,
 245         "CtrlLeftSq":     tcell.KeyCtrlLeftSq,
 246         "CtrlBackslash":  tcell.KeyCtrlBackslash,
 247         "CtrlRightSq":    tcell.KeyCtrlRightSq,
 248         "CtrlCarat":      tcell.KeyCtrlCarat,
 249         "CtrlUnderscore": tcell.KeyCtrlUnderscore,
 250         "CtrlPageUp":     tcell.KeyCtrlPgUp,
 251         "CtrlPageDown":   tcell.KeyCtrlPgDn,
 252         "Tab":            tcell.KeyTab,
 253         "Esc":            tcell.KeyEsc,
 254         "Escape":         tcell.KeyEscape,
 255         "Enter":          tcell.KeyEnter,
 256         "Backspace":      tcell.KeyBackspace2,
 257
 258         // I renamed these keys to PageUp and PageDown but I don't want to break someone's keybindings
 259         "PgUp":   tcell.KeyPgUp,
 260         "PgDown": tcell.KeyPgDn,
 261 }
 262
 263 // The Key struct holds the data for a keypress (keycode + modifiers)
 264 type Key struct {
 265         keyCode   tcell.Key
 266         modifiers tcell.ModMask
 267         buttons   tcell.ButtonMask
 268         r         rune
 269         escape    string
 270 }
 271
 272 // InitBindings initializes the keybindings for micro
 273 func InitBindings() {
 274         bindings = make(map[Key][]func(*View, bool) bool)
 275         bindingsStr = make(map[string]string)
 276         mouseBindings = make(map[Key][]func(*View, bool, *tcell.EventMouse) bool)
 277
 278         var parsed map[string]string
 279         defaults := DefaultBindings()
 280
 281         filename := configDir + "/bindings.json"
 282         if _, e := os.Stat(filename); e == nil {
 283                 input, err := ioutil.ReadFile(filename)
 284                 if err != nil {
 285                         TermMessage("Error reading bindings.json file: " + err.Error())
 286                         return
 287                 }
 288
 289                 err = json5.Unmarshal(input, &parsed)
 290                 if err != nil {
 291                         TermMessage("Error reading bindings.json:", err.Error())
 292                 }
 293         }
 294
 295         parseBindings(defaults)
 296         parseBindings(parsed)
 297 }
 298
 299 func parseBindings(userBindings map[string]string) {
 300         for k, v := range userBindings {
 301                 BindKey(k, v)
 302         }
 303 }
 304
 305 // findKey will find binding Key 'b' using string 'k'
 306 func findKey(k string) (b Key, ok bool) {
 307         modifiers := tcell.ModNone
 308
 309         // First, we'll strip off all the modifiers in the name and add them to the
 310         // ModMask
 311 modSearch:
 312         for {
 313                 switch {
 314                 case strings.HasPrefix(k, "-"):
 315                         // We optionally support dashes between modifiers
 316                         k = k[1:]
 317                 case strings.HasPrefix(k, "Ctrl") && k != "CtrlH":
 318                         // CtrlH technically does not have a 'Ctrl' modifier because it is really backspace
 319                         k = k[4:]
 320                         modifiers |= tcell.ModCtrl
 321                 case strings.HasPrefix(k, "Alt"):
 322                         k = k[3:]
 323                         modifiers |= tcell.ModAlt
 324                 case strings.HasPrefix(k, "Shift"):
 325                         k = k[5:]
 326                         modifiers |= tcell.ModShift
 327                 case strings.HasPrefix(k, "\x1b"):
 328                         return Key{
 329                                 keyCode:   -1,
 330                                 modifiers: modifiers,
 331                                 buttons:   -1,
 332                                 r:         0,
 333                                 escape:    k,
 334                         }, true
 335                 default:
 336                         break modSearch
 337                 }
 338         }
 339
 340         // Control is handled specially, since some character codes in bindingKeys
 341         // are different when Control is depressed. We should check for Control keys
 342         // first.
 343         if modifiers&tcell.ModCtrl != 0 {
 344                 // see if the key is in bindingKeys with the Ctrl prefix.
 345                 k = string(unicode.ToUpper(rune(k[0]))) + k[1:]
 346                 if code, ok := bindingKeys["Ctrl"+k]; ok {
 347                         // It is, we're done.
 348                         return Key{
 349                                 keyCode:   code,
 350                                 modifiers: modifiers,
 351                                 buttons:   -1,
 352                                 r:         0,
 353                         }, true
 354                 }
 355         }
 356
 357         // See if we can find the key in bindingKeys
 358         if code, ok := bindingKeys[k]; ok {
 359                 return Key{
 360                         keyCode:   code,
 361                         modifiers: modifiers,
 362                         buttons:   -1,
 363                         r:         0,
 364                 }, true
 365         }
 366
 367         // See if we can find the key in bindingMouse
 368         if code, ok := bindingMouse[k]; ok {
 369                 return Key{
 370                         modifiers: modifiers,
 371                         buttons:   code,
 372                         r:         0,
 373                 }, true
 374         }
 375
 376         // If we were given one character, then we've got a rune.
 377         if len(k) == 1 {
 378                 return Key{
 379                         keyCode:   tcell.KeyRune,
 380                         modifiers: modifiers,
 381                         buttons:   -1,
 382                         r:         rune(k[0]),
 383                 }, true
 384         }
 385
 386         // We don't know what happened.
 387         return Key{buttons: -1}, false
 388 }
 389
 390 // findAction will find 'action' using string 'v'
 391 func findAction(v string) (action func(*View, bool) bool) {
 392         action, ok := bindingActions[v]
 393         if !ok {
 394                 // If the user seems to be binding a function that doesn't exist
 395                 // We hope that it's a lua function that exists and bind it to that
 396                 action = LuaFunctionBinding(v)
 397         }
 398         return action
 399 }
 400
 401 func findMouseAction(v string) func(*View, bool, *tcell.EventMouse) bool {
 402         action, ok := mouseBindingActions[v]
 403         if !ok {
 404                 // If the user seems to be binding a function that doesn't exist
 405                 // We hope that it's a lua function that exists and bind it to that
 406                 action = LuaFunctionMouseBinding(v)
 407         }
 408         return action
 409 }
 410
 411 // TryBindKey tries to bind a key by writing to configDir/bindings.json
 412 // This function is unused for now
 413 func TryBindKey(k, v string) {
 414         filename := configDir + "/bindings.json"
 415         if _, e := os.Stat(filename); e == nil {
 416                 input, err := ioutil.ReadFile(filename)
 417                 if err != nil {
 418                         TermMessage("Error reading bindings.json file: " + err.Error())
 419                         return
 420                 }
 421
 422                 conflict := -1
 423                 lines := strings.Split(string(input), "\n")
 424                 for i, l := range lines {
 425                         parts := strings.Split(l, ":")
 426                         if len(parts) >= 2 {
 427                                 if strings.Contains(parts[0], k) {
 428                                         conflict = i
 429                                         TermMessage("Warning: Keybinding conflict:", k, " has been overwritten")
 430                                 }
 431                         }
 432                 }
 433
 434                 binding := fmt.Sprintf("    \"%s\": \"%s\",", k, v)
 435                 if conflict == -1 {
 436                         lines = append([]string{lines[0], binding}, lines[conflict:]...)
 437                 } else {
 438                         lines = append(append(lines[:conflict], binding), lines[conflict+1:]...)
 439                 }
 440                 txt := strings.Join(lines, "\n")
 441                 err = ioutil.WriteFile(filename, []byte(txt), 0644)
 442                 if err != nil {
 443                         TermMessage("Error")
 444                 }
 445         }
 446 }
 447
 448 // BindKey takes a key and an action and binds the two together
 449 func BindKey(k, v string) {
 450         key, ok := findKey(k)
 451         if !ok {
 452                 TermMessage("Unknown keybinding: " + k)
 453                 return
 454         }
 455         if v == "ToggleHelp" {
 456                 helpBinding = k
 457         }
 458         if v == "ToggleKeyMenu" {
 459                 kmenuBinding = k
 460         }
 461         if helpBinding == k && v != "ToggleHelp" {
 462                 helpBinding = ""
 463         }
 464         if kmenuBinding == k && v != "ToggleKeyMenu" {
 465                 kmenuBinding = ""
 466         }
 467
 468         actionNames := strings.Split(v, ",")
 469         if actionNames[0] == "UnbindKey" {
 470                 delete(bindings, key)
 471                 delete(mouseBindings, key)
 472                 delete(bindingsStr, k)
 473                 if len(actionNames) == 1 {
 474                         return
 475                 }
 476                 actionNames = append(actionNames[:0], actionNames[1:]...)
 477         }
 478         actions := make([]func(*View, bool) bool, 0, len(actionNames))
 479         mouseActions := make([]func(*View, bool, *tcell.EventMouse) bool, 0, len(actionNames))
 480         for _, actionName := range actionNames {
 481                 if strings.HasPrefix(actionName, "Mouse") {
 482                         mouseActions = append(mouseActions, findMouseAction(actionName))
 483                 } else if strings.HasPrefix(actionName, "command:") {
 484                         cmd := strings.SplitN(actionName, ":", 2)[1]
 485                         actions = append(actions, CommandAction(cmd))
 486                 } else if strings.HasPrefix(actionName, "command-edit:") {
 487                         cmd := strings.SplitN(actionName, ":", 2)[1]
 488                         actions = append(actions, CommandEditAction(cmd))
 489                 } else {
 490                         actions = append(actions, findAction(actionName))
 491                 }
 492         }
 493
 494         if len(actions) > 0 {
 495                 // Can't have a binding be both mouse and normal
 496                 delete(mouseBindings, key)
 497                 bindings[key] = actions
 498                 bindingsStr[k] = v
 499         } else if len(mouseActions) > 0 {
 500                 // Can't have a binding be both mouse and normal
 501                 delete(bindings, key)
 502                 mouseBindings[key] = mouseActions
 503         }
 504 }
 505
 506 // DefaultBindings returns a map containing micro's default keybindings
 507 func DefaultBindings() map[string]string {
 508         return map[string]string{
 509                 "Up":             "CursorUp",
 510                 "Down":           "CursorDown",
 511                 "Right":          "CursorRight",
 512                 "Left":           "CursorLeft",
 513                 "ShiftUp":        "SelectUp",
 514                 "ShiftDown":      "SelectDown",
 515                 "ShiftLeft":      "SelectLeft",
 516                 "ShiftRight":     "SelectRight",
 517                 "AltLeft":        "WordLeft",
 518                 "AltRight":       "WordRight",
 519                 "AltUp":          "MoveLinesUp",
 520                 "AltDown":        "MoveLinesDown",
 521                 "AltShiftRight":  "SelectWordRight",
 522                 "AltShiftLeft":   "SelectWordLeft",
 523                 "CtrlLeft":       "StartOfLine",
 524                 "CtrlRight":      "EndOfLine",
 525                 "CtrlShiftLeft":  "SelectToStartOfLine",
 526                 "ShiftHome":      "SelectToStartOfLine",
 527                 "CtrlShiftRight": "SelectToEndOfLine",
 528                 "ShiftEnd":       "SelectToEndOfLine",
 529                 "CtrlUp":         "CursorStart",
 530                 "CtrlDown":       "CursorEnd",
 531                 "CtrlShiftUp":    "SelectToStart",
 532                 "CtrlShiftDown":  "SelectToEnd",
 533                 "Alt-{":          "ParagraphPrevious",
 534                 "Alt-}":          "ParagraphNext",
 535                 "Enter":          "InsertNewline",
 536                 "CtrlH":          "Backspace",
 537                 "Backspace":      "Backspace",
 538                 "Alt-CtrlH":      "DeleteWordLeft",
 539                 "Alt-Backspace":  "DeleteWordLeft",
 540                 "Tab":            "IndentSelection,InsertTab",
 541                 "Backtab":        "OutdentSelection,OutdentLine",
 542                 "CtrlO":          "OpenFile",
 543                 "CtrlS":          "Save",
 544                 "CtrlF":          "Find",
 545                 "CtrlN":          "FindNext",
 546                 "CtrlP":          "FindPrevious",
 547                 "CtrlZ":          "Undo",
 548                 "CtrlY":          "Redo",
 549                 "CtrlC":          "Copy",
 550                 "CtrlX":          "Cut",
 551                 "CtrlK":          "CutLine",
 552                 "CtrlD":          "DuplicateLine",
 553                 "CtrlV":          "Paste",
 554                 "CtrlA":          "SelectAll",
 555                 "CtrlT":          "AddTab",
 556                 "Alt,":           "PreviousTab",
 557                 "Alt.":           "NextTab",
 558                 "Home":           "StartOfLine",
 559                 "End":            "EndOfLine",
 560                 "CtrlHome":       "CursorStart",
 561                 "CtrlEnd":        "CursorEnd",
 562                 "PageUp":         "CursorPageUp",
 563                 "PageDown":       "CursorPageDown",
 564                 "CtrlPageUp":     "PreviousTab",
 565                 "CtrlPageDown":   "NextTab",
 566                 "CtrlG":          "ToggleHelp",
 567                 "Alt-g":          "ToggleKeyMenu",
 568                 "CtrlR":          "ToggleRuler",
 569                 "CtrlL":          "JumpLine",
 570                 "Delete":         "Delete",
 571                 "CtrlB":          "ShellMode",
 572                 "CtrlQ":          "Quit",
 573                 "CtrlE":          "CommandMode",
 574                 "CtrlW":          "NextSplit",
 575                 "CtrlU":          "ToggleMacro",
 576                 "CtrlJ":          "PlayMacro",
 577                 "Insert":         "ToggleOverwriteMode",
 578
 579                 // Emacs-style keybindings
 580                 "Alt-f": "WordRight",
 581                 "Alt-b": "WordLeft",
 582                 "Alt-a": "StartOfLine",
 583                 "Alt-e": "EndOfLine",
 584                 // "Alt-p": "CursorUp",
 585                 // "Alt-n": "CursorDown",
 586
 587                 // Integration with file managers
 588                 "F2":  "Save",
 589                 "F3":  "Find",
 590                 "F4":  "Quit",
 591                 "F7":  "Find",
 592                 "F10": "Quit",
 593                 "Esc": "Escape",
 594
 595                 // Mouse bindings
 596                 "MouseWheelUp":   "ScrollUp",
 597                 "MouseWheelDown": "ScrollDown",
 598                 "MouseLeft":      "MousePress",
 599                 "MouseMiddle":    "PastePrimary",
 600                 "Ctrl-MouseLeft": "MouseMultiCursor",
 601
 602                 "Alt-n": "SpawnMultiCursor",
 603                 "Alt-p": "RemoveMultiCursor",
 604                 "Alt-c": "RemoveAllMultiCursors",
 605                 "Alt-x": "SkipMultiCursor",
 606         }
 607 }