"github.com/zyedidia/tcell"
)
-var bindings map[tcell.Key]func(*View) bool
+var bindings map[Key][]func(*View) bool
+var helpBinding string
+
+var bindingActions = map[string]func(*View) bool{
+ "CursorUp": (*View).CursorUp,
+ "CursorDown": (*View).CursorDown,
+ "CursorPageUp": (*View).CursorPageUp,
+ "CursorPageDown": (*View).CursorPageDown,
+ "CursorLeft": (*View).CursorLeft,
+ "CursorRight": (*View).CursorRight,
+ "CursorStart": (*View).CursorStart,
+ "CursorEnd": (*View).CursorEnd,
+ "SelectToStart": (*View).SelectToStart,
+ "SelectToEnd": (*View).SelectToEnd,
+ "SelectUp": (*View).SelectUp,
+ "SelectDown": (*View).SelectDown,
+ "SelectLeft": (*View).SelectLeft,
+ "SelectRight": (*View).SelectRight,
+ "WordRight": (*View).WordRight,
+ "WordLeft": (*View).WordLeft,
+ "SelectWordRight": (*View).SelectWordRight,
+ "SelectWordLeft": (*View).SelectWordLeft,
+ "DeleteWordRight": (*View).DeleteWordRight,
+ "DeleteWordLeft": (*View).DeleteWordLeft,
+ "SelectToStartOfLine": (*View).SelectToStartOfLine,
+ "SelectToEndOfLine": (*View).SelectToEndOfLine,
+ "InsertEnter": (*View).InsertEnter,
+ "InsertSpace": (*View).InsertSpace,
+ "Backspace": (*View).Backspace,
+ "Delete": (*View).Delete,
+ "InsertTab": (*View).InsertTab,
+ "Save": (*View).Save,
+ "Find": (*View).Find,
+ "FindNext": (*View).FindNext,
+ "FindPrevious": (*View).FindPrevious,
+ "Undo": (*View).Undo,
+ "Redo": (*View).Redo,
+ "Copy": (*View).Copy,
+ "Cut": (*View).Cut,
+ "CutLine": (*View).CutLine,
+ "DuplicateLine": (*View).DuplicateLine,
+ "DeleteLine": (*View).DeleteLine,
+ "Paste": (*View).Paste,
+ "SelectAll": (*View).SelectAll,
+ "OpenFile": (*View).OpenFile,
+ "Start": (*View).Start,
+ "End": (*View).End,
+ "PageUp": (*View).PageUp,
+ "PageDown": (*View).PageDown,
+ "HalfPageUp": (*View).HalfPageUp,
+ "HalfPageDown": (*View).HalfPageDown,
+ "StartOfLine": (*View).StartOfLine,
+ "EndOfLine": (*View).EndOfLine,
+ "ToggleHelp": (*View).ToggleHelp,
+ "ToggleRuler": (*View).ToggleRuler,
+ "JumpLine": (*View).JumpLine,
+ "ClearStatus": (*View).ClearStatus,
+ "ShellMode": (*View).ShellMode,
+ "CommandMode": (*View).CommandMode,
+ "Quit": (*View).Quit,
+ "AddTab": (*View).AddTab,
+ "PreviousTab": (*View).PreviousTab,
+ "NextTab": (*View).NextTab,
+}
+
+var bindingKeys = map[string]tcell.Key{
+ "Up": tcell.KeyUp,
+ "Down": tcell.KeyDown,
+ "Right": tcell.KeyRight,
+ "Left": tcell.KeyLeft,
+ "UpLeft": tcell.KeyUpLeft,
+ "UpRight": tcell.KeyUpRight,
+ "DownLeft": tcell.KeyDownLeft,
+ "DownRight": tcell.KeyDownRight,
+ "Center": tcell.KeyCenter,
+ "PageUp": tcell.KeyPgUp,
+ "PageDown": tcell.KeyPgDn,
+ "Home": tcell.KeyHome,
+ "End": tcell.KeyEnd,
+ "Insert": tcell.KeyInsert,
+ "Delete": tcell.KeyDelete,
+ "Help": tcell.KeyHelp,
+ "Exit": tcell.KeyExit,
+ "Clear": tcell.KeyClear,
+ "Cancel": tcell.KeyCancel,
+ "Print": tcell.KeyPrint,
+ "Pause": tcell.KeyPause,
+ "Backtab": tcell.KeyBacktab,
+ "F1": tcell.KeyF1,
+ "F2": tcell.KeyF2,
+ "F3": tcell.KeyF3,
+ "F4": tcell.KeyF4,
+ "F5": tcell.KeyF5,
+ "F6": tcell.KeyF6,
+ "F7": tcell.KeyF7,
+ "F8": tcell.KeyF8,
+ "F9": tcell.KeyF9,
+ "F10": tcell.KeyF10,
+ "F11": tcell.KeyF11,
+ "F12": tcell.KeyF12,
+ "F13": tcell.KeyF13,
+ "F14": tcell.KeyF14,
+ "F15": tcell.KeyF15,
+ "F16": tcell.KeyF16,
+ "F17": tcell.KeyF17,
+ "F18": tcell.KeyF18,
+ "F19": tcell.KeyF19,
+ "F20": tcell.KeyF20,
+ "F21": tcell.KeyF21,
+ "F22": tcell.KeyF22,
+ "F23": tcell.KeyF23,
+ "F24": tcell.KeyF24,
+ "F25": tcell.KeyF25,
+ "F26": tcell.KeyF26,
+ "F27": tcell.KeyF27,
+ "F28": tcell.KeyF28,
+ "F29": tcell.KeyF29,
+ "F30": tcell.KeyF30,
+ "F31": tcell.KeyF31,
+ "F32": tcell.KeyF32,
+ "F33": tcell.KeyF33,
+ "F34": tcell.KeyF34,
+ "F35": tcell.KeyF35,
+ "F36": tcell.KeyF36,
+ "F37": tcell.KeyF37,
+ "F38": tcell.KeyF38,
+ "F39": tcell.KeyF39,
+ "F40": tcell.KeyF40,
+ "F41": tcell.KeyF41,
+ "F42": tcell.KeyF42,
+ "F43": tcell.KeyF43,
+ "F44": tcell.KeyF44,
+ "F45": tcell.KeyF45,
+ "F46": tcell.KeyF46,
+ "F47": tcell.KeyF47,
+ "F48": tcell.KeyF48,
+ "F49": tcell.KeyF49,
+ "F50": tcell.KeyF50,
+ "F51": tcell.KeyF51,
+ "F52": tcell.KeyF52,
+ "F53": tcell.KeyF53,
+ "F54": tcell.KeyF54,
+ "F55": tcell.KeyF55,
+ "F56": tcell.KeyF56,
+ "F57": tcell.KeyF57,
+ "F58": tcell.KeyF58,
+ "F59": tcell.KeyF59,
+ "F60": tcell.KeyF60,
+ "F61": tcell.KeyF61,
+ "F62": tcell.KeyF62,
+ "F63": tcell.KeyF63,
+ "F64": tcell.KeyF64,
+ "CtrlSpace": tcell.KeyCtrlSpace,
+ "CtrlA": tcell.KeyCtrlA,
+ "CtrlB": tcell.KeyCtrlB,
+ "CtrlC": tcell.KeyCtrlC,
+ "CtrlD": tcell.KeyCtrlD,
+ "CtrlE": tcell.KeyCtrlE,
+ "CtrlF": tcell.KeyCtrlF,
+ "CtrlG": tcell.KeyCtrlG,
+ "CtrlH": tcell.KeyCtrlH,
+ "CtrlI": tcell.KeyCtrlI,
+ "CtrlJ": tcell.KeyCtrlJ,
+ "CtrlK": tcell.KeyCtrlK,
+ "CtrlL": tcell.KeyCtrlL,
+ "CtrlM": tcell.KeyCtrlM,
+ "CtrlN": tcell.KeyCtrlN,
+ "CtrlO": tcell.KeyCtrlO,
+ "CtrlP": tcell.KeyCtrlP,
+ "CtrlQ": tcell.KeyCtrlQ,
+ "CtrlR": tcell.KeyCtrlR,
+ "CtrlS": tcell.KeyCtrlS,
+ "CtrlT": tcell.KeyCtrlT,
+ "CtrlU": tcell.KeyCtrlU,
+ "CtrlV": tcell.KeyCtrlV,
+ "CtrlW": tcell.KeyCtrlW,
+ "CtrlX": tcell.KeyCtrlX,
+ "CtrlY": tcell.KeyCtrlY,
+ "CtrlZ": tcell.KeyCtrlZ,
+ "CtrlLeftSq": tcell.KeyCtrlLeftSq,
+ "CtrlBackslash": tcell.KeyCtrlBackslash,
+ "CtrlRightSq": tcell.KeyCtrlRightSq,
+ "CtrlCarat": tcell.KeyCtrlCarat,
+ "CtrlUnderscore": tcell.KeyCtrlUnderscore,
+ "Backspace": tcell.KeyBackspace,
+ "Tab": tcell.KeyTab,
+ "Esc": tcell.KeyEsc,
+ "Escape": tcell.KeyEscape,
+ "Enter": tcell.KeyEnter,
+ "Backspace2": tcell.KeyBackspace2,
+
+ // I renamed these keys to PageUp and PageDown but I don't want to break someone's keybindings
+ "PgUp": tcell.KeyPgUp,
+ "PgDown": tcell.KeyPgDn,
+}
+
+// The Key struct holds the data for a keypress (keycode + modifiers)
+type Key struct {
+ keyCode tcell.Key
+ modifiers tcell.ModMask
+ r rune
+}
// InitBindings initializes the keybindings for micro
func InitBindings() {
- bindings = make(map[tcell.Key]func(*View) bool)
-
- actions := map[string]func(*View) bool{
- "CursorUp": (*View).CursorUp,
- "CursorDown": (*View).CursorDown,
- "CursorLeft": (*View).CursorLeft,
- "CursorRight": (*View).CursorRight,
- "CursorStart": (*View).CursorStart,
- "CursorEnd": (*View).CursorEnd,
- "SelectToStart": (*View).SelectToStart,
- "SelectToEnd": (*View).SelectToEnd,
- "SelectUp": (*View).SelectUp,
- "SelectDown": (*View).SelectDown,
- "SelectLeft": (*View).SelectLeft,
- "SelectRight": (*View).SelectRight,
- "WordRight": (*View).WordRight,
- "WordLeft": (*View).WordLeft,
- "SelectWordRight": (*View).SelectWordRight,
- "SelectWordLeft": (*View).SelectWordLeft,
- "SelectToStartOfLine": (*View).SelectToStartOfLine,
- "SelectToEndOfLine": (*View).SelectToEndOfLine,
- "InsertEnter": (*View).InsertEnter,
- "InsertSpace": (*View).InsertSpace,
- "Backspace": (*View).Backspace,
- "Delete": (*View).Delete,
- "InsertTab": (*View).InsertTab,
- "Save": (*View).Save,
- "Find": (*View).Find,
- "FindNext": (*View).FindNext,
- "FindPrevious": (*View).FindPrevious,
- "Undo": (*View).Undo,
- "Redo": (*View).Redo,
- "Copy": (*View).Copy,
- "Cut": (*View).Cut,
- "CutLine": (*View).CutLine,
- "DuplicateLine": (*View).DuplicateLine,
- "Paste": (*View).Paste,
- "SelectAll": (*View).SelectAll,
- "OpenFile": (*View).OpenFile,
- "Start": (*View).Start,
- "End": (*View).End,
- "PageUp": (*View).PageUp,
- "PageDown": (*View).PageDown,
- "HalfPageUp": (*View).HalfPageUp,
- "HalfPageDown": (*View).HalfPageDown,
- "StartOfLine": (*View).StartOfLine,
- "EndOfLine": (*View).EndOfLine,
- "ToggleRuler": (*View).ToggleRuler,
- "JumpLine": (*View).JumpLine,
- }
-
- keys := map[string]tcell.Key{
- "Up": tcell.KeyUp,
- "Down": tcell.KeyDown,
- "Right": tcell.KeyRight,
- "Left": tcell.KeyLeft,
- "AltUp": tcell.KeyAltUp,
- "AltDown": tcell.KeyAltDown,
- "AltLeft": tcell.KeyAltLeft,
- "AltRight": tcell.KeyAltRight,
- "CtrlUp": tcell.KeyCtrlUp,
- "CtrlDown": tcell.KeyCtrlDown,
- "CtrlLeft": tcell.KeyCtrlLeft,
- "CtrlRight": tcell.KeyCtrlRight,
- "ShiftUp": tcell.KeyShiftUp,
- "ShiftDown": tcell.KeyShiftDown,
- "ShiftLeft": tcell.KeyShiftLeft,
- "ShiftRight": tcell.KeyShiftRight,
- "AltShiftUp": tcell.KeyAltShiftUp,
- "AltShiftDown": tcell.KeyAltShiftDown,
- "AltShiftLeft": tcell.KeyAltShiftLeft,
- "AltShiftRight": tcell.KeyAltShiftRight,
- "CtrlShiftUp": tcell.KeyCtrlShiftUp,
- "CtrlShiftDown": tcell.KeyCtrlShiftDown,
- "CtrlShiftLeft": tcell.KeyCtrlShiftLeft,
- "CtrlShiftRight": tcell.KeyCtrlShiftRight,
- "UpLeft": tcell.KeyUpLeft,
- "UpRight": tcell.KeyUpRight,
- "DownLeft": tcell.KeyDownLeft,
- "DownRight": tcell.KeyDownRight,
- "Center": tcell.KeyCenter,
- "PgUp": tcell.KeyPgUp,
- "PgDn": tcell.KeyPgDn,
- "Home": tcell.KeyHome,
- "End": tcell.KeyEnd,
- "Insert": tcell.KeyInsert,
- "Delete": tcell.KeyDelete,
- "Help": tcell.KeyHelp,
- "Exit": tcell.KeyExit,
- "Clear": tcell.KeyClear,
- "Cancel": tcell.KeyCancel,
- "Print": tcell.KeyPrint,
- "Pause": tcell.KeyPause,
- "Backtab": tcell.KeyBacktab,
- "F1": tcell.KeyF1,
- "F2": tcell.KeyF2,
- "F3": tcell.KeyF3,
- "F4": tcell.KeyF4,
- "F5": tcell.KeyF5,
- "F6": tcell.KeyF6,
- "F7": tcell.KeyF7,
- "F8": tcell.KeyF8,
- "F9": tcell.KeyF9,
- "F10": tcell.KeyF10,
- "F11": tcell.KeyF11,
- "F12": tcell.KeyF12,
- "F13": tcell.KeyF13,
- "F14": tcell.KeyF14,
- "F15": tcell.KeyF15,
- "F16": tcell.KeyF16,
- "F17": tcell.KeyF17,
- "F18": tcell.KeyF18,
- "F19": tcell.KeyF19,
- "F20": tcell.KeyF20,
- "F21": tcell.KeyF21,
- "F22": tcell.KeyF22,
- "F23": tcell.KeyF23,
- "F24": tcell.KeyF24,
- "F25": tcell.KeyF25,
- "F26": tcell.KeyF26,
- "F27": tcell.KeyF27,
- "F28": tcell.KeyF28,
- "F29": tcell.KeyF29,
- "F30": tcell.KeyF30,
- "F31": tcell.KeyF31,
- "F32": tcell.KeyF32,
- "F33": tcell.KeyF33,
- "F34": tcell.KeyF34,
- "F35": tcell.KeyF35,
- "F36": tcell.KeyF36,
- "F37": tcell.KeyF37,
- "F38": tcell.KeyF38,
- "F39": tcell.KeyF39,
- "F40": tcell.KeyF40,
- "F41": tcell.KeyF41,
- "F42": tcell.KeyF42,
- "F43": tcell.KeyF43,
- "F44": tcell.KeyF44,
- "F45": tcell.KeyF45,
- "F46": tcell.KeyF46,
- "F47": tcell.KeyF47,
- "F48": tcell.KeyF48,
- "F49": tcell.KeyF49,
- "F50": tcell.KeyF50,
- "F51": tcell.KeyF51,
- "F52": tcell.KeyF52,
- "F53": tcell.KeyF53,
- "F54": tcell.KeyF54,
- "F55": tcell.KeyF55,
- "F56": tcell.KeyF56,
- "F57": tcell.KeyF57,
- "F58": tcell.KeyF58,
- "F59": tcell.KeyF59,
- "F60": tcell.KeyF60,
- "F61": tcell.KeyF61,
- "F62": tcell.KeyF62,
- "F63": tcell.KeyF63,
- "F64": tcell.KeyF64,
- "CtrlSpace": tcell.KeyCtrlSpace,
- "CtrlA": tcell.KeyCtrlA,
- "CtrlB": tcell.KeyCtrlB,
- "CtrlC": tcell.KeyCtrlC,
- "CtrlD": tcell.KeyCtrlD,
- "CtrlE": tcell.KeyCtrlE,
- "CtrlF": tcell.KeyCtrlF,
- "CtrlG": tcell.KeyCtrlG,
- "CtrlH": tcell.KeyCtrlH,
- "CtrlI": tcell.KeyCtrlI,
- "CtrlJ": tcell.KeyCtrlJ,
- "CtrlK": tcell.KeyCtrlK,
- "CtrlL": tcell.KeyCtrlL,
- "CtrlM": tcell.KeyCtrlM,
- "CtrlN": tcell.KeyCtrlN,
- "CtrlO": tcell.KeyCtrlO,
- "CtrlP": tcell.KeyCtrlP,
- "CtrlQ": tcell.KeyCtrlQ,
- "CtrlR": tcell.KeyCtrlR,
- "CtrlS": tcell.KeyCtrlS,
- "CtrlT": tcell.KeyCtrlT,
- "CtrlU": tcell.KeyCtrlU,
- "CtrlV": tcell.KeyCtrlV,
- "CtrlW": tcell.KeyCtrlW,
- "CtrlX": tcell.KeyCtrlX,
- "CtrlY": tcell.KeyCtrlY,
- "CtrlZ": tcell.KeyCtrlZ,
- "CtrlLeftSq": tcell.KeyCtrlLeftSq,
- "CtrlBackslash": tcell.KeyCtrlBackslash,
- "CtrlRightSq": tcell.KeyCtrlRightSq,
- "CtrlCarat": tcell.KeyCtrlCarat,
- "CtrlUnderscore": tcell.KeyCtrlUnderscore,
- "Backspace": tcell.KeyBackspace,
- "Tab": tcell.KeyTab,
- "Esc": tcell.KeyEsc,
- "Escape": tcell.KeyEscape,
- "Enter": tcell.KeyEnter,
- "Space": tcell.KeySpace,
- "Backspace2": tcell.KeyBackspace2,
- }
+ bindings = make(map[Key][]func(*View) bool)
var parsed map[string]string
defaults := DefaultBindings()
}
}
- for k, v := range defaults {
- bindings[keys[k]] = actions[v]
+ parseBindings(defaults)
+ parseBindings(parsed)
+}
+
+func parseBindings(userBindings map[string]string) {
+ for k, v := range userBindings {
+ BindKey(k, v)
+ }
+}
+
+// findKey will find binding Key 'b' using string 'k'
+func findKey(k string) (b Key, ok bool) {
+ modifiers := tcell.ModNone
+
+ // First, we'll strip off all the modifiers in the name and add them to the
+ // ModMask
+modSearch:
+ for {
+ switch {
+ case strings.HasPrefix(k, "-"):
+ // We optionally support dashes between modifiers
+ k = k[1:]
+ case strings.HasPrefix(k, "Ctrl"):
+ k = k[4:]
+ modifiers |= tcell.ModCtrl
+ case strings.HasPrefix(k, "Alt"):
+ k = k[3:]
+ modifiers |= tcell.ModAlt
+ case strings.HasPrefix(k, "Shift"):
+ k = k[5:]
+ modifiers |= tcell.ModShift
+ default:
+ break modSearch
+ }
}
- for k, v := range parsed {
- bindings[keys[k]] = actions[v]
+
+ // Control is handled specially, since some character codes in bindingKeys
+ // are different when Control is depressed. We should check for Control keys
+ // first.
+ if modifiers&tcell.ModCtrl != 0 {
+ // see if the key is in bindingKeys with the Ctrl prefix.
+ if code, ok := bindingKeys["Ctrl"+k]; ok {
+ // It is, we're done.
+ return Key{
+ keyCode: code,
+ modifiers: modifiers,
+ r: 0,
+ }, true
+ }
+ }
+
+ // See if we can find the key in bindingKeys
+ if code, ok := bindingKeys[k]; ok {
+ return Key{
+ keyCode: code,
+ modifiers: modifiers,
+ r: 0,
+ }, true
+ }
+
+ // If we were given one character, then we've got a rune.
+ if len(k) == 1 {
+ return Key{
+ keyCode: tcell.KeyRune,
+ modifiers: modifiers,
+ r: rune(k[0]),
+ }, true
+ }
+
+ // We don't know what happened.
+ return Key{}, false
+}
+
+// findAction will find 'action' using string 'v'
+func findAction(v string) (action func(*View) bool) {
+ action, ok := bindingActions[v]
+ if !ok {
+ // If the user seems to be binding a function that doesn't exist
+ // We hope that it's a lua function that exists and bind it to that
+ action = LuaFunctionBinding(v)
+ }
+ return action
+}
+
+// BindKey takes a key and an action and binds the two together
+func BindKey(k, v string) {
+ key, ok := findKey(k)
+ if !ok {
+ return
+ }
+ if v == "ToggleHelp" {
+ helpBinding = k
+ }
+
+ actionNames := strings.Split(v, ",")
+ actions := make([]func(*View) bool, 0, len(actionNames))
+ for _, actionName := range actionNames {
+ actions = append(actions, findAction(actionName))
}
+
+ bindings[key] = actions
}
// DefaultBindings returns a map containing micro's default keybindings
"Space": "InsertSpace",
"Backspace": "Backspace",
"Backspace2": "Backspace",
+ "Alt-Backspace": "DeleteWordLeft",
+ "Alt-Backspace2": "DeleteWordLeft",
"Tab": "InsertTab",
"CtrlO": "OpenFile",
"CtrlS": "Save",
"CtrlD": "DuplicateLine",
"CtrlV": "Paste",
"CtrlA": "SelectAll",
+ "CtrlT": "AddTab",
+ "CtrlRightSq": "PreviousTab",
+ "CtrlBackslash": "NextTab",
"Home": "Start",
"End": "End",
- "PgUp": "PageUp",
- "PgDn": "PageDown",
- // Find alternative key
- // "CtrlU": "HalfPageUp",
- // "CtrlD": "HalfPageDown",
- "CtrlR": "ToggleRuler",
- "CtrlL": "JumpLine",
- "Delete": "Delete",
+ "PageUp": "CursorPageUp",
+ "PageDown": "CursorPageDown",
+ "CtrlG": "ToggleHelp",
+ "CtrlR": "ToggleRuler",
+ "CtrlL": "JumpLine",
+ "Delete": "Delete",
+ "Esc": "ClearStatus",
+ "CtrlB": "ShellMode",
+ "CtrlQ": "Quit",
+ "CtrlE": "CommandMode",
+
+ // Emacs-style keybindings
+ "Alt-f": "WordRight",
+ "Alt-b": "WordLeft",
+ "Alt-a": "StartOfLine",
+ "Alt-e": "EndOfLine",
+ "Alt-p": "CursorUp",
+ "Alt-n": "CursorDown",
}
}
// CursorUp moves the cursor up
func (v *View) CursorUp() bool {
if v.Cursor.HasSelection() {
- v.Cursor.SetLoc(v.Cursor.curSelection[0])
+ v.Cursor.Loc = v.Cursor.CurSelection[0]
v.Cursor.ResetSelection()
}
v.Cursor.Up()
// CursorDown moves the cursor down
func (v *View) CursorDown() bool {
if v.Cursor.HasSelection() {
- v.Cursor.SetLoc(v.Cursor.curSelection[1])
+ v.Cursor.Loc = v.Cursor.CurSelection[1]
v.Cursor.ResetSelection()
}
v.Cursor.Down()
// CursorLeft moves the cursor left
func (v *View) CursorLeft() bool {
if v.Cursor.HasSelection() {
- v.Cursor.SetLoc(v.Cursor.curSelection[0])
+ v.Cursor.Loc = v.Cursor.CurSelection[0]
v.Cursor.ResetSelection()
} else {
v.Cursor.Left()
// CursorRight moves the cursor right
func (v *View) CursorRight() bool {
if v.Cursor.HasSelection() {
- v.Cursor.SetLoc(v.Cursor.curSelection[1] - 1)
+ v.Cursor.Loc = v.Cursor.CurSelection[1].Move(-1, v.Buf)
v.Cursor.ResetSelection()
} else {
v.Cursor.Right()
// SelectUp selects up one line
func (v *View) SelectUp() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Up()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectDown selects down one line
func (v *View) SelectDown() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Down()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectLeft selects the character to the left of the cursor
func (v *View) SelectLeft() bool {
- loc := v.Cursor.Loc()
- count := v.Buf.Len() - 1
- if loc > count {
+ loc := v.Cursor.Loc
+ count := v.Buf.End().Move(-1, v.Buf)
+ if loc.GreaterThan(count) {
loc = count
}
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = loc
}
v.Cursor.Left()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectRight selects the character to the right of the cursor
func (v *View) SelectRight() bool {
- loc := v.Cursor.Loc()
- count := v.Buf.Len() - 1
- if loc > count {
+ loc := v.Cursor.Loc
+ count := v.Buf.End().Move(-1, v.Buf)
+ if loc.GreaterThan(count) {
loc = count
}
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = loc
}
v.Cursor.Right()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectWordRight selects the word to the right of the cursor
func (v *View) SelectWordRight() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.WordRight()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectWordLeft selects the word to the left of the cursor
func (v *View) SelectWordLeft() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.WordLeft()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectToStartOfLine selects to the start of the current line
func (v *View) SelectToStartOfLine() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Start()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// SelectToEndOfLine selects to the end of the current line
func (v *View) SelectToEndOfLine() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.End()
- v.Cursor.SelectTo(v.Cursor.Loc())
+ v.Cursor.SelectTo(v.Cursor.Loc)
return true
}
// CursorStart moves the cursor to the start of the buffer
func (v *View) CursorStart() bool {
- v.Cursor.x = 0
- v.Cursor.y = 0
+ v.Cursor.X = 0
+ v.Cursor.Y = 0
return true
}
// CursorEnd moves the cursor to the end of the buffer
func (v *View) CursorEnd() bool {
- v.Cursor.SetLoc(v.Buf.Len())
+ v.Cursor.Loc = v.Buf.End()
return true
}
// SelectToStart selects the text from the cursor to the start of the buffer
func (v *View) SelectToStart() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.CursorStart()
- v.Cursor.SelectTo(0)
+ v.Cursor.SelectTo(v.Buf.Start())
return true
}
// SelectToEnd selects the text from the cursor to the end of the buffer
func (v *View) SelectToEnd() bool {
- loc := v.Cursor.Loc()
if !v.Cursor.HasSelection() {
- v.Cursor.origSelection[0] = loc
+ v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.CursorEnd()
- v.Cursor.SelectTo(v.Buf.Len())
+ v.Cursor.SelectTo(v.Buf.End())
return true
}
// InsertSpace inserts a space
func (v *View) InsertSpace() bool {
- // Insert a space
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
- v.eh.Insert(v.Cursor.Loc(), " ")
+ v.Buf.Insert(v.Cursor.Loc, " ")
v.Cursor.Right()
return true
}
v.Cursor.ResetSelection()
}
- v.eh.Insert(v.Cursor.Loc(), "\n")
- ws := GetLeadingWhitespace(v.Buf.Lines[v.Cursor.y])
+ v.Buf.Insert(v.Cursor.Loc, "\n")
+ ws := GetLeadingWhitespace(v.Buf.Line(v.Cursor.Y))
v.Cursor.Right()
if settings["autoindent"].(bool) {
- v.eh.Insert(v.Cursor.Loc(), ws)
+ v.Buf.Insert(v.Cursor.Loc, ws)
for i := 0; i < len(ws); i++ {
v.Cursor.Right()
}
}
- v.Cursor.lastVisualX = v.Cursor.GetVisualX()
+ v.Cursor.LastVisualX = v.Cursor.GetVisualX()
return true
}
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
- } else if v.Cursor.Loc() > 0 {
+ } else if v.Cursor.Loc.GreaterThan(v.Buf.Start()) {
// We have to do something a bit hacky here because we want to
// delete the line by first moving left and then deleting backwards
// but the undo redo would place the cursor in the wrong place
// If the user is using spaces instead of tabs and they are deleting
// whitespace at the start of the line, we should delete as if its a
// tab (tabSize number of spaces)
- lineStart := v.Buf.Lines[v.Cursor.y][:v.Cursor.x]
+ lineStart := v.Buf.Line(v.Cursor.Y)[:v.Cursor.X]
tabSize := int(settings["tabsize"].(float64))
- if settings["tabsToSpaces"].(bool) && IsSpaces(lineStart) && len(lineStart) != 0 && len(lineStart)%tabSize == 0 {
- loc := v.Cursor.Loc()
- v.Cursor.SetLoc(loc - tabSize)
- cx, cy := v.Cursor.x, v.Cursor.y
- v.Cursor.SetLoc(loc)
- v.eh.Remove(loc-tabSize, loc)
- v.Cursor.x, v.Cursor.y = cx, cy
+ if settings["tabstospaces"].(bool) && IsSpaces(lineStart) && len(lineStart) != 0 && len(lineStart)%tabSize == 0 {
+ loc := v.Cursor.Loc
+ v.Cursor.Loc = loc.Move(-tabSize, v.Buf)
+ cx, cy := v.Cursor.X, v.Cursor.Y
+ v.Cursor.Loc = loc
+ v.Buf.Remove(loc.Move(-tabSize, v.Buf), loc)
+ v.Cursor.X, v.Cursor.Y = cx, cy
} else {
v.Cursor.Left()
- cx, cy := v.Cursor.x, v.Cursor.y
+ cx, cy := v.Cursor.X, v.Cursor.Y
v.Cursor.Right()
- loc := v.Cursor.Loc()
- v.eh.Remove(loc-1, loc)
- v.Cursor.x, v.Cursor.y = cx, cy
+ loc := v.Cursor.Loc
+ v.Buf.Remove(loc.Move(-1, v.Buf), loc)
+ v.Cursor.X, v.Cursor.Y = cx, cy
}
}
- v.Cursor.lastVisualX = v.Cursor.GetVisualX()
+ v.Cursor.LastVisualX = v.Cursor.GetVisualX()
+ return true
+}
+
+// DeleteWordRight deletes the word to the right of the cursor
+func (v *View) DeleteWordRight() bool {
+ v.SelectWordRight()
+ if v.Cursor.HasSelection() {
+ v.Cursor.DeleteSelection()
+ v.Cursor.ResetSelection()
+ }
+ return true
+}
+
+// DeleteWordLeft deletes the word to the left of the cursor
+func (v *View) DeleteWordLeft() bool {
+ v.SelectWordLeft()
+ if v.Cursor.HasSelection() {
+ v.Cursor.DeleteSelection()
+ v.Cursor.ResetSelection()
+ }
return true
}
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
} else {
- loc := v.Cursor.Loc()
- if loc < v.Buf.Len() {
- v.eh.Remove(loc, loc+1)
+ loc := v.Cursor.Loc
+ if loc.LessThan(v.Buf.End()) {
+ v.Buf.Remove(loc, loc.Move(1, v.Buf))
}
}
return true
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
- if settings["tabsToSpaces"].(bool) {
+ if settings["tabstospaces"].(bool) {
tabSize := int(settings["tabsize"].(float64))
- v.eh.Insert(v.Cursor.Loc(), Spaces(tabSize))
+ v.Buf.Insert(v.Cursor.Loc, Spaces(tabSize))
for i := 0; i < tabSize; i++ {
v.Cursor.Right()
}
} else {
- v.eh.Insert(v.Cursor.Loc(), "\t")
+ v.Buf.Insert(v.Cursor.Loc, "\t")
v.Cursor.Right()
}
return true
// Save the buffer to disk
func (v *View) Save() bool {
+ if v.helpOpen {
+ // We can't save the help text
+ return false
+ }
// If this is an empty buffer, ask for a filename
if v.Buf.Path == "" {
- filename, canceled := messenger.Prompt("Filename: ")
+ filename, canceled := messenger.Prompt("Filename: ", "Save", NoCompletion)
if !canceled {
v.Buf.Path = filename
v.Buf.Name = filename
} else {
- return true
+ return false
}
}
err := v.Buf.Save()
if err != nil {
- messenger.Error(err.Error())
+ if strings.HasSuffix(err.Error(), "permission denied") {
+ choice, _ := messenger.YesNoPrompt("Permission denied. Do you want to save this file using sudo? (y,n)")
+ if choice {
+ err = v.Buf.SaveWithSudo()
+ if err != nil {
+ messenger.Error(err.Error())
+ return false
+ }
+ }
+ messenger.Reset()
+ messenger.Clear()
+ messenger.Message("Saved " + v.Buf.Path)
+ } else {
+ messenger.Error(err.Error())
+ }
} else {
messenger.Message("Saved " + v.Buf.Path)
}
- return true
+ return false
}
// Find opens a prompt and searches forward for the input
func (v *View) Find() bool {
if v.Cursor.HasSelection() {
- searchStart = v.Cursor.curSelection[1]
+ searchStart = ToCharPos(v.Cursor.CurSelection[1], v.Buf)
} else {
- searchStart = ToCharPos(v.Cursor.x, v.Cursor.y, v.Buf)
+ searchStart = ToCharPos(v.Cursor.Loc, v.Buf)
}
BeginSearch()
return true
// FindNext searches forwards for the last used search term
func (v *View) FindNext() bool {
if v.Cursor.HasSelection() {
- searchStart = v.Cursor.curSelection[1]
+ searchStart = ToCharPos(v.Cursor.CurSelection[1], v.Buf)
} else {
- searchStart = ToCharPos(v.Cursor.x, v.Cursor.y, v.Buf)
+ searchStart = ToCharPos(v.Cursor.Loc, v.Buf)
}
messenger.Message("Finding: " + lastSearch)
Search(lastSearch, v, true)
// FindPrevious searches backwards for the last used search term
func (v *View) FindPrevious() bool {
if v.Cursor.HasSelection() {
- searchStart = v.Cursor.curSelection[0]
+ searchStart = ToCharPos(v.Cursor.CurSelection[0], v.Buf)
} else {
- searchStart = ToCharPos(v.Cursor.x, v.Cursor.y, v.Buf)
+ searchStart = ToCharPos(v.Cursor.Loc, v.Buf)
}
messenger.Message("Finding: " + lastSearch)
Search(lastSearch, v, false)
// Undo undoes the last action
func (v *View) Undo() bool {
- v.eh.Undo()
+ v.Buf.Undo()
messenger.Message("Undid action")
return true
}
// Redo redoes the last action
func (v *View) Redo() bool {
- v.eh.Redo()
+ v.Buf.Redo()
messenger.Message("Redid action")
return true
}
// CutLine cuts the current line to the clipboard
func (v *View) CutLine() bool {
v.Cursor.SelectLine()
+ if !v.Cursor.HasSelection() {
+ return false
+ }
if v.freshClip == true {
if v.Cursor.HasSelection() {
if clip, err := clipboard.ReadAll(); err != nil {
return true
}
-// Duplicate the current line
+// DuplicateLine duplicates the current line
func (v *View) DuplicateLine() bool {
- v.Cursor.SelectLine()
- line := v.Cursor.GetSelection()
- v.Cursor.SetLoc(v.Cursor.curSelection[1])
- v.eh.Insert(v.Cursor.Loc(), line)
v.Cursor.End()
- v.Cursor.ResetSelection()
+ v.Buf.Insert(v.Cursor.Loc, "\n"+v.Buf.Line(v.Cursor.Y))
+ v.Cursor.Right()
messenger.Message("Duplicated line")
return true
}
+// DeleteLine deletes the current line
+func (v *View) DeleteLine() bool {
+ v.Cursor.SelectLine()
+ if !v.Cursor.HasSelection() {
+ return false
+ }
+ v.Cursor.DeleteSelection()
+ v.Cursor.ResetSelection()
+ messenger.Message("Deleted line")
+ return true
+}
+
// Paste whatever is in the system clipboard into the buffer
// Delete and paste if the user has a selection
func (v *View) Paste() bool {
v.Cursor.ResetSelection()
}
clip, _ := clipboard.ReadAll()
- v.eh.Insert(v.Cursor.Loc(), clip)
- v.Cursor.SetLoc(v.Cursor.Loc() + Count(clip))
+ v.Buf.Insert(v.Cursor.Loc, clip)
+ v.Cursor.Loc = v.Cursor.Loc.Move(Count(clip), v.Buf)
v.freshClip = false
messenger.Message("Pasted clipboard")
return true
// SelectAll selects the entire buffer
func (v *View) SelectAll() bool {
- v.Cursor.curSelection[0] = 0
- v.Cursor.curSelection[1] = v.Buf.Len()
+ v.Cursor.CurSelection[0] = v.Buf.Start()
+ v.Cursor.CurSelection[1] = v.Buf.End()
// Put the cursor at the beginning
- v.Cursor.x = 0
- v.Cursor.y = 0
+ v.Cursor.X = 0
+ v.Cursor.Y = 0
return true
}
// OpenFile opens a new file in the buffer
func (v *View) OpenFile() bool {
if v.CanClose("Continue? (yes, no, save) ") {
- filename, canceled := messenger.Prompt("File to open: ")
+ filename, canceled := messenger.Prompt("File to open: ", "Open", FileCompletion)
if canceled {
- return true
+ return false
}
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
if err != nil {
messenger.Error(err.Error())
- return true
+ return false
}
- buf := NewBuffer(string(file), filename)
+ buf := NewBuffer(file, filename)
v.OpenBuffer(buf)
+ return true
}
- return true
+ return false
}
// Start moves the viewport to the start of the buffer
return false
}
+// CursorPageUp places the cursor a page up
+func (v *View) CursorPageUp() bool {
+ if v.Cursor.HasSelection() {
+ v.Cursor.Loc = v.Cursor.CurSelection[0]
+ v.Cursor.ResetSelection()
+ }
+ v.Cursor.UpN(v.height)
+ return true
+}
+
+// CursorPageDown places the cursor a page up
+func (v *View) CursorPageDown() bool {
+ if v.Cursor.HasSelection() {
+ v.Cursor.Loc = v.Cursor.CurSelection[1]
+ v.Cursor.ResetSelection()
+ }
+ v.Cursor.DownN(v.height)
+ return true
+}
+
// HalfPageUp scrolls the view up half a page
func (v *View) HalfPageUp() bool {
if v.Topline > v.height/2 {
// JumpLine jumps to a line and moves the view accordingly.
func (v *View) JumpLine() bool {
// Prompt for line number
- linestring, canceled := messenger.Prompt("Jump to line # ")
+ linestring, canceled := messenger.Prompt("Jump to line # ", "LineNumber", NoCompletion)
if canceled {
return false
}
}
// Move cursor and view if possible.
if lineint < v.Buf.NumLines {
- v.Cursor.x = 0
- v.Cursor.y = lineint
+ v.Cursor.X = 0
+ v.Cursor.Y = lineint
return true
}
messenger.Error("Only ", v.Buf.NumLines, " lines to jump")
return false
}
+// ClearStatus clears the messenger bar
+func (v *View) ClearStatus() bool {
+ messenger.Message("")
+ return false
+}
+
+// ToggleHelp toggles the help screen
+func (v *View) ToggleHelp() bool {
+ if !v.helpOpen {
+ v.lastBuffer = v.Buf
+ helpBuffer := NewBuffer([]byte(helpTxt), "help.md")
+ helpBuffer.Name = "Help"
+ v.helpOpen = true
+ v.OpenBuffer(helpBuffer)
+ } else {
+ v.OpenBuffer(v.lastBuffer)
+ v.helpOpen = false
+ }
+ return true
+}
+
+// ShellMode opens a terminal to run a shell command
+func (v *View) ShellMode() bool {
+ input, canceled := messenger.Prompt("$ ", "Shell", NoCompletion)
+ if !canceled {
+ // The true here is for openTerm to make the command interactive
+ HandleShellCommand(input, true)
+ }
+ return false
+}
+
+// CommandMode lets the user enter a command
+func (v *View) CommandMode() bool {
+ input, canceled := messenger.Prompt("> ", "Command", NoCompletion)
+ if !canceled {
+ HandleCommand(input)
+ }
+ return false
+}
+
+// Quit quits the editor
+// This behavior needs to be changed and should really only quit the editor if this
+// is the last view
+// However, since micro only supports one view for now, it doesn't really matter
+func (v *View) Quit() bool {
+ if v.helpOpen {
+ return v.ToggleHelp()
+ }
+ // Make sure not to quit if there are unsaved changes
+ if v.CanClose("Quit anyway? (yes, no, save) ") {
+ v.CloseBuffer()
+ if len(tabs) > 1 {
+ if len(tabs[v.TabNum].views) == 1 {
+ tabs = tabs[:v.TabNum+copy(tabs[v.TabNum:], tabs[v.TabNum+1:])]
+ for i, t := range tabs {
+ t.SetNum(i)
+ }
+ if curTab >= len(tabs) {
+ curTab--
+ }
+ if curTab == 0 {
+ CurView().Resize(screen.Size())
+ CurView().matches = Match(CurView())
+ }
+ }
+ } else {
+ screen.Fini()
+ os.Exit(0)
+ }
+ }
+ return false
+}
+
+func (v *View) AddTab() bool {
+ tab := NewTabFromView(NewView(NewBuffer([]byte{}, "")))
+ tab.SetNum(len(tabs))
+ tabs = append(tabs, tab)
+ curTab++
+ if len(tabs) == 2 {
+ for _, t := range tabs {
+ for _, v := range t.views {
+ v.Resize(screen.Size())
+ }
+ }
+ }
+ return true
+}
+
+func (v *View) PreviousTab() bool {
+ if curTab > 0 {
+ curTab--
+ }
+ return false
+}
+
+func (v *View) NextTab() bool {
+ if curTab < len(tabs)-1 {
+ curTab++
+ }
+ return false
+}
+
// None is no action
func None() bool {
return false
projects / micro.git / blobdiff