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         "SpawnMultiCursorSelect": (*View).SpawnMultiCursorSelect,
 113         "RemoveMultiCursor":      (*View).RemoveMultiCursor,
 114         "RemoveAllMultiCursors":  (*View).RemoveAllMultiCursors,
 115         "SkipMultiCursor":        (*View).SkipMultiCursor,
 116         "JumpToMatchingBrace":    (*View).JumpToMatchingBrace,
 117
 118         // This was changed to InsertNewline but I don't want to break backwards compatibility
 119         "InsertEnter": (*View).InsertNewline,
 120 }
 121
 122 var bindingMouse = map[string]tcell.ButtonMask{
 123         "MouseLeft":       tcell.Button1,
 124         "MouseMiddle":     tcell.Button2,
 125         "MouseRight":      tcell.Button3,
 126         "MouseWheelUp":    tcell.WheelUp,
 127         "MouseWheelDown":  tcell.WheelDown,
 128         "MouseWheelLeft":  tcell.WheelLeft,
 129         "MouseWheelRight": tcell.WheelRight,
 130 }
 131
 132 var bindingKeys = map[string]tcell.Key{
 133         "Up":             tcell.KeyUp,
 134         "Down":           tcell.KeyDown,
 135         "Right":          tcell.KeyRight,
 136         "Left":           tcell.KeyLeft,
 137         "UpLeft":         tcell.KeyUpLeft,
 138         "UpRight":        tcell.KeyUpRight,
 139         "DownLeft":       tcell.KeyDownLeft,
 140         "DownRight":      tcell.KeyDownRight,
 141         "Center":         tcell.KeyCenter,
 142         "PageUp":         tcell.KeyPgUp,
 143         "PageDown":       tcell.KeyPgDn,
 144         "Home":           tcell.KeyHome,
 145         "End":            tcell.KeyEnd,
 146         "Insert":         tcell.KeyInsert,
 147         "Delete":         tcell.KeyDelete,
 148         "Help":           tcell.KeyHelp,
 149         "Exit":           tcell.KeyExit,
 150         "Clear":          tcell.KeyClear,
 151         "Cancel":         tcell.KeyCancel,
 152         "Print":          tcell.KeyPrint,
 153         "Pause":          tcell.KeyPause,
 154         "Backtab":        tcell.KeyBacktab,
 155         "F1":             tcell.KeyF1,
 156         "F2":             tcell.KeyF2,
 157         "F3":             tcell.KeyF3,
 158         "F4":             tcell.KeyF4,
 159         "F5":             tcell.KeyF5,
 160         "F6":             tcell.KeyF6,
 161         "F7":             tcell.KeyF7,
 162         "F8":             tcell.KeyF8,
 163         "F9":             tcell.KeyF9,
 164         "F10":            tcell.KeyF10,
 165         "F11":            tcell.KeyF11,
 166         "F12":            tcell.KeyF12,
 167         "F13":            tcell.KeyF13,
 168         "F14":            tcell.KeyF14,
 169         "F15":            tcell.KeyF15,
 170         "F16":            tcell.KeyF16,
 171         "F17":            tcell.KeyF17,
 172         "F18":            tcell.KeyF18,
 173         "F19":            tcell.KeyF19,
 174         "F20":            tcell.KeyF20,
 175         "F21":            tcell.KeyF21,
 176         "F22":            tcell.KeyF22,
 177         "F23":            tcell.KeyF23,
 178         "F24":            tcell.KeyF24,
 179         "F25":            tcell.KeyF25,
 180         "F26":            tcell.KeyF26,
 181         "F27":            tcell.KeyF27,
 182         "F28":            tcell.KeyF28,
 183         "F29":            tcell.KeyF29,
 184         "F30":            tcell.KeyF30,
 185         "F31":            tcell.KeyF31,
 186         "F32":            tcell.KeyF32,
 187         "F33":            tcell.KeyF33,
 188         "F34":            tcell.KeyF34,
 189         "F35":            tcell.KeyF35,
 190         "F36":            tcell.KeyF36,
 191         "F37":            tcell.KeyF37,
 192         "F38":            tcell.KeyF38,
 193         "F39":            tcell.KeyF39,
 194         "F40":            tcell.KeyF40,
 195         "F41":            tcell.KeyF41,
 196         "F42":            tcell.KeyF42,
 197         "F43":            tcell.KeyF43,
 198         "F44":            tcell.KeyF44,
 199         "F45":            tcell.KeyF45,
 200         "F46":            tcell.KeyF46,
 201         "F47":            tcell.KeyF47,
 202         "F48":            tcell.KeyF48,
 203         "F49":            tcell.KeyF49,
 204         "F50":            tcell.KeyF50,
 205         "F51":            tcell.KeyF51,
 206         "F52":            tcell.KeyF52,
 207         "F53":            tcell.KeyF53,
 208         "F54":            tcell.KeyF54,
 209         "F55":            tcell.KeyF55,
 210         "F56":            tcell.KeyF56,
 211         "F57":            tcell.KeyF57,
 212         "F58":            tcell.KeyF58,
 213         "F59":            tcell.KeyF59,
 214         "F60":            tcell.KeyF60,
 215         "F61":            tcell.KeyF61,
 216         "F62":            tcell.KeyF62,
 217         "F63":            tcell.KeyF63,
 218         "F64":            tcell.KeyF64,
 219         "CtrlSpace":      tcell.KeyCtrlSpace,
 220         "CtrlA":          tcell.KeyCtrlA,
 221         "CtrlB":          tcell.KeyCtrlB,
 222         "CtrlC":          tcell.KeyCtrlC,
 223         "CtrlD":          tcell.KeyCtrlD,
 224         "CtrlE":          tcell.KeyCtrlE,
 225         "CtrlF":          tcell.KeyCtrlF,
 226         "CtrlG":          tcell.KeyCtrlG,
 227         "CtrlH":          tcell.KeyCtrlH,
 228         "CtrlI":          tcell.KeyCtrlI,
 229         "CtrlJ":          tcell.KeyCtrlJ,
 230         "CtrlK":          tcell.KeyCtrlK,
 231         "CtrlL":          tcell.KeyCtrlL,
 232         "CtrlM":          tcell.KeyCtrlM,
 233         "CtrlN":          tcell.KeyCtrlN,
 234         "CtrlO":          tcell.KeyCtrlO,
 235         "CtrlP":          tcell.KeyCtrlP,
 236         "CtrlQ":          tcell.KeyCtrlQ,
 237         "CtrlR":          tcell.KeyCtrlR,
 238         "CtrlS":          tcell.KeyCtrlS,
 239         "CtrlT":          tcell.KeyCtrlT,
 240         "CtrlU":          tcell.KeyCtrlU,
 241         "CtrlV":          tcell.KeyCtrlV,
 242         "CtrlW":          tcell.KeyCtrlW,
 243         "CtrlX":          tcell.KeyCtrlX,
 244         "CtrlY":          tcell.KeyCtrlY,
 245         "CtrlZ":          tcell.KeyCtrlZ,
 246         "CtrlLeftSq":     tcell.KeyCtrlLeftSq,
 247         "CtrlBackslash":  tcell.KeyCtrlBackslash,
 248         "CtrlRightSq":    tcell.KeyCtrlRightSq,
 249         "CtrlCarat":      tcell.KeyCtrlCarat,
 250         "CtrlUnderscore": tcell.KeyCtrlUnderscore,
 251         "CtrlPageUp":     tcell.KeyCtrlPgUp,
 252         "CtrlPageDown":   tcell.KeyCtrlPgDn,
 253         "Tab":            tcell.KeyTab,
 254         "Esc":            tcell.KeyEsc,
 255         "Escape":         tcell.KeyEscape,
 256         "Enter":          tcell.KeyEnter,
 257         "Backspace":      tcell.KeyBackspace2,
 258
 259         // I renamed these keys to PageUp and PageDown but I don't want to break someone's keybindings
 260         "PgUp":   tcell.KeyPgUp,
 261         "PgDown": tcell.KeyPgDn,
 262 }
 263
 264 // The Key struct holds the data for a keypress (keycode + modifiers)
 265 type Key struct {
 266         keyCode   tcell.Key
 267         modifiers tcell.ModMask
 268         buttons   tcell.ButtonMask
 269         r         rune
 270         escape    string
 271 }
 272
 273 // InitBindings initializes the keybindings for micro
 274 func InitBindings() {
 275         bindings = make(map[Key][]func(*View, bool) bool)
 276         bindingsStr = make(map[string]string)
 277         mouseBindings = make(map[Key][]func(*View, bool, *tcell.EventMouse) bool)
 278
 279         var parsed map[string]string
 280         defaults := DefaultBindings()
 281
 282         filename := configDir + "/bindings.json"
 283         if _, e := os.Stat(filename); e == nil {
 284                 input, err := ioutil.ReadFile(filename)
 285                 if err != nil {
 286                         TermMessage("Error reading bindings.json file: " + err.Error())
 287                         return
 288                 }
 289
 290                 err = json5.Unmarshal(input, &parsed)
 291                 if err != nil {
 292                         TermMessage("Error reading bindings.json:", err.Error())
 293                 }
 294         }
 295
 296         parseBindings(defaults)
 297         parseBindings(parsed)
 298 }
 299
 300 func parseBindings(userBindings map[string]string) {
 301         for k, v := range userBindings {
 302                 BindKey(k, v)
 303         }
 304 }
 305
 306 // findKey will find binding Key 'b' using string 'k'
 307 func findKey(k string) (b Key, ok bool) {
 308         modifiers := tcell.ModNone
 309
 310         // First, we'll strip off all the modifiers in the name and add them to the
 311         // ModMask
 312 modSearch:
 313         for {
 314                 switch {
 315                 case strings.HasPrefix(k, "-"):
 316                         // We optionally support dashes between modifiers
 317                         k = k[1:]
 318                 case strings.HasPrefix(k, "Ctrl") && k != "CtrlH":
 319                         // CtrlH technically does not have a 'Ctrl' modifier because it is really backspace
 320                         k = k[4:]
 321                         modifiers |= tcell.ModCtrl
 322                 case strings.HasPrefix(k, "Alt"):
 323                         k = k[3:]
 324                         modifiers |= tcell.ModAlt
 325                 case strings.HasPrefix(k, "Shift"):
 326                         k = k[5:]
 327                         modifiers |= tcell.ModShift
 328                 case strings.HasPrefix(k, "\x1b"):
 329                         return Key{
 330                                 keyCode:   -1,
 331                                 modifiers: modifiers,
 332                                 buttons:   -1,
 333                                 r:         0,
 334                                 escape:    k,
 335                         }, true
 336                 default:
 337                         break modSearch
 338                 }
 339         }
 340
 341         // Control is handled specially, since some character codes in bindingKeys
 342         // are different when Control is depressed. We should check for Control keys
 343         // first.
 344         if modifiers&tcell.ModCtrl != 0 {
 345                 // see if the key is in bindingKeys with the Ctrl prefix.
 346                 k = string(unicode.ToUpper(rune(k[0]))) + k[1:]
 347                 if code, ok := bindingKeys["Ctrl"+k]; ok {
 348                         // It is, we're done.
 349                         return Key{
 350                                 keyCode:   code,
 351                                 modifiers: modifiers,
 352                                 buttons:   -1,
 353                                 r:         0,
 354                         }, true
 355                 }
 356         }
 357
 358         // See if we can find the key in bindingKeys
 359         if code, ok := bindingKeys[k]; ok {
 360                 return Key{
 361                         keyCode:   code,
 362                         modifiers: modifiers,
 363                         buttons:   -1,
 364                         r:         0,
 365                 }, true
 366         }
 367
 368         // See if we can find the key in bindingMouse
 369         if code, ok := bindingMouse[k]; ok {
 370                 return Key{
 371                         modifiers: modifiers,
 372                         buttons:   code,
 373                         r:         0,
 374                 }, true
 375         }
 376
 377         // If we were given one character, then we've got a rune.
 378         if len(k) == 1 {
 379                 return Key{
 380                         keyCode:   tcell.KeyRune,
 381                         modifiers: modifiers,
 382                         buttons:   -1,
 383                         r:         rune(k[0]),
 384                 }, true
 385         }
 386
 387         // We don't know what happened.
 388         return Key{buttons: -1}, false
 389 }
 390
 391 // findAction will find 'action' using string 'v'
 392 func findAction(v string) (action func(*View, bool) bool) {
 393         action, ok := bindingActions[v]
 394         if !ok {
 395                 // If the user seems to be binding a function that doesn't exist
 396                 // We hope that it's a lua function that exists and bind it to that
 397                 action = LuaFunctionBinding(v)
 398         }
 399         return action
 400 }
 401
 402 func findMouseAction(v string) func(*View, bool, *tcell.EventMouse) bool {
 403         action, ok := mouseBindingActions[v]
 404         if !ok {
 405                 // If the user seems to be binding a function that doesn't exist
 406                 // We hope that it's a lua function that exists and bind it to that
 407                 action = LuaFunctionMouseBinding(v)
 408         }
 409         return action
 410 }
 411
 412 // TryBindKey tries to bind a key by writing to configDir/bindings.json
 413 // This function is unused for now
 414 func TryBindKey(k, v string) {
 415         filename := configDir + "/bindings.json"
 416         if _, e := os.Stat(filename); e == nil {
 417                 input, err := ioutil.ReadFile(filename)
 418                 if err != nil {
 419                         TermMessage("Error reading bindings.json file: " + err.Error())
 420                         return
 421                 }
 422
 423                 conflict := -1
 424                 lines := strings.Split(string(input), "\n")
 425                 for i, l := range lines {
 426                         parts := strings.Split(l, ":")
 427                         if len(parts) >= 2 {
 428                                 if strings.Contains(parts[0], k) {
 429                                         conflict = i
 430                                         TermMessage("Warning: Keybinding conflict:", k, " has been overwritten")
 431                                 }
 432                         }
 433                 }
 434
 435                 binding := fmt.Sprintf("    \"%s\": \"%s\",", k, v)
 436                 if conflict == -1 {
 437                         lines = append([]string{lines[0], binding}, lines[conflict:]...)
 438                 } else {
 439                         lines = append(append(lines[:conflict], binding), lines[conflict+1:]...)
 440                 }
 441                 txt := strings.Join(lines, "\n")
 442                 err = ioutil.WriteFile(filename, []byte(txt), 0644)
 443                 if err != nil {
 444                         TermMessage("Error")
 445                 }
 446         }
 447 }
 448
 449 // BindKey takes a key and an action and binds the two together
 450 func BindKey(k, v string) {
 451         key, ok := findKey(k)
 452         if !ok {
 453                 TermMessage("Unknown keybinding: " + k)
 454                 return
 455         }
 456         if v == "ToggleHelp" {
 457                 helpBinding = k
 458         }
 459         if v == "ToggleKeyMenu" {
 460                 kmenuBinding = k
 461         }
 462         if helpBinding == k && v != "ToggleHelp" {
 463                 helpBinding = ""
 464         }
 465         if kmenuBinding == k && v != "ToggleKeyMenu" {
 466                 kmenuBinding = ""
 467         }
 468
 469         actionNames := strings.Split(v, ",")
 470         if actionNames[0] == "UnbindKey" {
 471                 delete(bindings, key)
 472                 delete(mouseBindings, key)
 473                 delete(bindingsStr, k)
 474                 if len(actionNames) == 1 {
 475                         return
 476                 }
 477                 actionNames = append(actionNames[:0], actionNames[1:]...)
 478         }
 479         actions := make([]func(*View, bool) bool, 0, len(actionNames))
 480         mouseActions := make([]func(*View, bool, *tcell.EventMouse) bool, 0, len(actionNames))
 481         for _, actionName := range actionNames {
 482                 if strings.HasPrefix(actionName, "Mouse") {
 483                         mouseActions = append(mouseActions, findMouseAction(actionName))
 484                 } else if strings.HasPrefix(actionName, "command:") {
 485                         cmd := strings.SplitN(actionName, ":", 2)[1]
 486                         actions = append(actions, CommandAction(cmd))
 487                 } else if strings.HasPrefix(actionName, "command-edit:") {
 488                         cmd := strings.SplitN(actionName, ":", 2)[1]
 489                         actions = append(actions, CommandEditAction(cmd))
 490                 } else {
 491                         actions = append(actions, findAction(actionName))
 492                 }
 493         }
 494
 495         if len(actions) > 0 {
 496                 // Can't have a binding be both mouse and normal
 497                 delete(mouseBindings, key)
 498                 bindings[key] = actions
 499                 bindingsStr[k] = v
 500         } else if len(mouseActions) > 0 {
 501                 // Can't have a binding be both mouse and normal
 502                 delete(bindings, key)
 503                 mouseBindings[key] = mouseActions
 504         }
 505 }
 506
 507 // DefaultBindings returns a map containing micro's default keybindings
 508 func DefaultBindings() map[string]string {
 509         return map[string]string{
 510                 "Up":             "CursorUp",
 511                 "Down":           "CursorDown",
 512                 "Right":          "CursorRight",
 513                 "Left":           "CursorLeft",
 514                 "ShiftUp":        "SelectUp",
 515                 "ShiftDown":      "SelectDown",
 516                 "ShiftLeft":      "SelectLeft",
 517                 "ShiftRight":     "SelectRight",
 518                 "AltLeft":        "WordLeft",
 519                 "AltRight":       "WordRight",
 520                 "AltUp":          "MoveLinesUp",
 521                 "AltDown":        "MoveLinesDown",
 522                 "AltShiftRight":  "SelectWordRight",
 523                 "AltShiftLeft":   "SelectWordLeft",
 524                 "CtrlLeft":       "StartOfLine",
 525                 "CtrlRight":      "EndOfLine",
 526                 "CtrlShiftLeft":  "SelectToStartOfLine",
 527                 "ShiftHome":      "SelectToStartOfLine",
 528                 "CtrlShiftRight": "SelectToEndOfLine",
 529                 "ShiftEnd":       "SelectToEndOfLine",
 530                 "CtrlUp":         "CursorStart",
 531                 "CtrlDown":       "CursorEnd",
 532                 "CtrlShiftUp":    "SelectToStart",
 533                 "CtrlShiftDown":  "SelectToEnd",
 534                 "Alt-{":          "ParagraphPrevious",
 535                 "Alt-}":          "ParagraphNext",
 536                 "Enter":          "InsertNewline",
 537                 "CtrlH":          "Backspace",
 538                 "Backspace":      "Backspace",
 539                 "Alt-CtrlH":      "DeleteWordLeft",
 540                 "Alt-Backspace":  "DeleteWordLeft",
 541                 "Tab":            "IndentSelection,InsertTab",
 542                 "Backtab":        "OutdentSelection,OutdentLine",
 543                 "CtrlO":          "OpenFile",
 544                 "CtrlS":          "Save",
 545                 "CtrlF":          "Find",
 546                 "CtrlN":          "FindNext",
 547                 "CtrlP":          "FindPrevious",
 548                 "CtrlZ":          "Undo",
 549                 "CtrlY":          "Redo",
 550                 "CtrlC":          "Copy",
 551                 "CtrlX":          "Cut",
 552                 "CtrlK":          "CutLine",
 553                 "CtrlD":          "DuplicateLine",
 554                 "CtrlV":          "Paste",
 555                 "CtrlA":          "SelectAll",
 556                 "CtrlT":          "AddTab",
 557                 "Alt,":           "PreviousTab",
 558                 "Alt.":           "NextTab",
 559                 "Home":           "StartOfLine",
 560                 "End":            "EndOfLine",
 561                 "CtrlHome":       "CursorStart",
 562                 "CtrlEnd":        "CursorEnd",
 563                 "PageUp":         "CursorPageUp",
 564                 "PageDown":       "CursorPageDown",
 565                 "CtrlPageUp":     "PreviousTab",
 566                 "CtrlPageDown":   "NextTab",
 567                 "CtrlG":          "ToggleHelp",
 568                 "Alt-g":          "ToggleKeyMenu",
 569                 "CtrlR":          "ToggleRuler",
 570                 "CtrlL":          "JumpLine",
 571                 "Delete":         "Delete",
 572                 "CtrlB":          "ShellMode",
 573                 "CtrlQ":          "Quit",
 574                 "CtrlE":          "CommandMode",
 575                 "CtrlW":          "NextSplit",
 576                 "CtrlU":          "ToggleMacro",
 577                 "CtrlJ":          "PlayMacro",
 578                 "Insert":         "ToggleOverwriteMode",
 579
 580                 // Emacs-style keybindings
 581                 "Alt-f": "WordRight",
 582                 "Alt-b": "WordLeft",
 583                 "Alt-a": "StartOfLine",
 584                 "Alt-e": "EndOfLine",
 585                 // "Alt-p": "CursorUp",
 586                 // "Alt-n": "CursorDown",
 587
 588                 // Integration with file managers
 589                 "F2":  "Save",
 590                 "F3":  "Find",
 591                 "F4":  "Quit",
 592                 "F7":  "Find",
 593                 "F10": "Quit",
 594                 "Esc": "Escape",
 595
 596                 // Mouse bindings
 597                 "MouseWheelUp":   "ScrollUp",
 598                 "MouseWheelDown": "ScrollDown",
 599                 "MouseLeft":      "MousePress",
 600                 "MouseMiddle":    "PastePrimary",
 601                 "Ctrl-MouseLeft": "MouseMultiCursor",
 602
 603                 "Alt-n": "SpawnMultiCursor",
 604                 "Alt-m": "SpawnMultiCursorSelect",
 605                 "Alt-p": "RemoveMultiCursor",
 606                 "Alt-c": "RemoveAllMultiCursors",
 607                 "Alt-x": "SkipMultiCursor",
 608         }
 609 }