mirror of
https://github.com/zyedidia/micro.git
synced 2026-02-17 20:40:26 +09:00
877 lines
23 KiB
Go
877 lines
23 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/mitchellh/go-homedir"
|
|
"github.com/zyedidia/clipboard"
|
|
"github.com/zyedidia/tcell"
|
|
)
|
|
|
|
var bindings map[tcell.Key]func(*View) bool
|
|
|
|
// 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,
|
|
"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,
|
|
}
|
|
|
|
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,
|
|
}
|
|
|
|
var parsed map[string]string
|
|
defaults := DefaultBindings()
|
|
|
|
filename := configDir + "/bindings.json"
|
|
if _, e := os.Stat(filename); e == nil {
|
|
input, err := ioutil.ReadFile(filename)
|
|
if err != nil {
|
|
TermMessage("Error reading bindings.json file: " + err.Error())
|
|
return
|
|
}
|
|
|
|
err = json.Unmarshal(input, &parsed)
|
|
if err != nil {
|
|
TermMessage("Error reading bindings.json:", err.Error())
|
|
}
|
|
}
|
|
|
|
for k, v := range defaults {
|
|
bindings[keys[k]] = actions[v]
|
|
}
|
|
for k, v := range parsed {
|
|
bindings[keys[k]] = actions[v]
|
|
}
|
|
}
|
|
|
|
// DefaultBindings returns a map containing micro's default keybindings
|
|
func DefaultBindings() map[string]string {
|
|
return map[string]string{
|
|
"Up": "CursorUp",
|
|
"Down": "CursorDown",
|
|
"Right": "CursorRight",
|
|
"Left": "CursorLeft",
|
|
"ShiftUp": "SelectUp",
|
|
"ShiftDown": "SelectDown",
|
|
"ShiftLeft": "SelectLeft",
|
|
"ShiftRight": "SelectRight",
|
|
"AltLeft": "WordLeft",
|
|
"AltRight": "WordRight",
|
|
"AltShiftRight": "SelectWordRight",
|
|
"AltShiftLeft": "SelectWordLeft",
|
|
"CtrlLeft": "StartOfLine",
|
|
"CtrlRight": "EndOfLine",
|
|
"CtrlShiftLeft": "SelectToStartOfLine",
|
|
"CtrlShiftRight": "SelectToEndOfLine",
|
|
"CtrlUp": "CursorStart",
|
|
"CtrlDown": "CursorEnd",
|
|
"CtrlShiftUp": "SelectToStart",
|
|
"CtrlShiftDown": "SelectToEnd",
|
|
"Enter": "InsertEnter",
|
|
"Space": "InsertSpace",
|
|
"Backspace": "Backspace",
|
|
"Backspace2": "Backspace",
|
|
"Tab": "InsertTab",
|
|
"CtrlO": "OpenFile",
|
|
"CtrlS": "Save",
|
|
"CtrlF": "Find",
|
|
"CtrlN": "FindNext",
|
|
"CtrlP": "FindPrevious",
|
|
"CtrlZ": "Undo",
|
|
"CtrlY": "Redo",
|
|
"CtrlC": "Copy",
|
|
"CtrlX": "Cut",
|
|
"CtrlK": "CutLine",
|
|
"CtrlV": "Paste",
|
|
"CtrlA": "SelectAll",
|
|
"Home": "Start",
|
|
"End": "End",
|
|
"PgUp": "PageUp",
|
|
"PgDn": "PageDown",
|
|
"CtrlU": "HalfPageUp",
|
|
"CtrlD": "HalfPageDown",
|
|
"CtrlR": "ToggleRuler",
|
|
"Delete": "Delete",
|
|
}
|
|
}
|
|
|
|
// CursorUp moves the cursor up
|
|
func (v *View) CursorUp() bool {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.SetLoc(v.cursor.curSelection[0])
|
|
v.cursor.ResetSelection()
|
|
}
|
|
v.cursor.Up()
|
|
return true
|
|
}
|
|
|
|
// CursorDown moves the cursor down
|
|
func (v *View) CursorDown() bool {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.SetLoc(v.cursor.curSelection[1])
|
|
v.cursor.ResetSelection()
|
|
}
|
|
v.cursor.Down()
|
|
return true
|
|
}
|
|
|
|
// CursorLeft moves the cursor left
|
|
func (v *View) CursorLeft() bool {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.SetLoc(v.cursor.curSelection[0])
|
|
v.cursor.ResetSelection()
|
|
} else {
|
|
v.cursor.Left()
|
|
}
|
|
return true
|
|
}
|
|
|
|
// CursorRight moves the cursor right
|
|
func (v *View) CursorRight() bool {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.SetLoc(v.cursor.curSelection[1] - 1)
|
|
v.cursor.ResetSelection()
|
|
} else {
|
|
v.cursor.Right()
|
|
}
|
|
return true
|
|
}
|
|
|
|
// WordRight moves the cursor one word to the right
|
|
func (v *View) WordRight() bool {
|
|
v.cursor.WordRight()
|
|
return true
|
|
}
|
|
|
|
// WordLeft moves the cursor one word to the left
|
|
func (v *View) WordLeft() bool {
|
|
v.cursor.WordLeft()
|
|
return true
|
|
}
|
|
|
|
// 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.Up()
|
|
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.Down()
|
|
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 := Count(v.buf.text) - 1
|
|
if loc > count {
|
|
loc = count
|
|
}
|
|
if !v.cursor.HasSelection() {
|
|
v.cursor.origSelection[0] = loc
|
|
}
|
|
v.cursor.Left()
|
|
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 := Count(v.buf.text) - 1
|
|
if loc > count {
|
|
loc = count
|
|
}
|
|
if !v.cursor.HasSelection() {
|
|
v.cursor.origSelection[0] = loc
|
|
}
|
|
v.cursor.Right()
|
|
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.WordRight()
|
|
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.WordLeft()
|
|
v.cursor.SelectTo(v.cursor.Loc())
|
|
return true
|
|
}
|
|
|
|
// StartOfLine moves the cursor to the start of the line
|
|
func (v *View) StartOfLine() bool {
|
|
v.cursor.Start()
|
|
return true
|
|
}
|
|
|
|
// EndOfLine moves the cursor to the end of the line
|
|
func (v *View) EndOfLine() bool {
|
|
v.cursor.End()
|
|
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.Start()
|
|
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.End()
|
|
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
|
|
return true
|
|
}
|
|
|
|
// CursorEnd moves the cursor to the end of the buffer
|
|
func (v *View) CursorEnd() bool {
|
|
v.cursor.SetLoc(len(v.buf.text))
|
|
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.CursorStart()
|
|
v.cursor.SelectTo(0)
|
|
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.CursorEnd()
|
|
v.cursor.SelectTo(len(v.buf.text))
|
|
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.cursor.Right()
|
|
return true
|
|
}
|
|
|
|
// InsertEnter inserts a newline plus possible some whitespace if autoindent is on
|
|
func (v *View) InsertEnter() bool {
|
|
// Insert a newline
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
}
|
|
|
|
v.eh.Insert(v.cursor.Loc(), "\n")
|
|
ws := GetLeadingWhitespace(v.buf.lines[v.cursor.y])
|
|
v.cursor.Right()
|
|
|
|
if settings["autoindent"].(bool) {
|
|
v.eh.Insert(v.cursor.Loc(), ws)
|
|
for i := 0; i < len(ws); i++ {
|
|
v.cursor.Right()
|
|
}
|
|
}
|
|
v.cursor.lastVisualX = v.cursor.GetVisualX()
|
|
return true
|
|
}
|
|
|
|
// Backspace deletes the previous character
|
|
func (v *View) Backspace() bool {
|
|
// Delete a character
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
} else if v.cursor.Loc() > 0 {
|
|
// 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
|
|
// So instead we move left, save the position, move back, delete
|
|
// and restore the position
|
|
|
|
// 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]
|
|
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
|
|
} else {
|
|
v.cursor.Left()
|
|
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
|
|
}
|
|
}
|
|
v.cursor.lastVisualX = v.cursor.GetVisualX()
|
|
return true
|
|
}
|
|
|
|
// Delete deletes the next character
|
|
func (v *View) Delete() bool {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
} else {
|
|
loc := v.cursor.Loc()
|
|
if loc < len(v.buf.text) {
|
|
v.eh.Remove(loc, loc+1)
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// InsertTab inserts a tab or spaces
|
|
func (v *View) InsertTab() bool {
|
|
// Insert a tab
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
}
|
|
if settings["tabsToSpaces"].(bool) {
|
|
tabSize := int(settings["tabsize"].(float64))
|
|
v.eh.Insert(v.cursor.Loc(), Spaces(tabSize))
|
|
for i := 0; i < tabSize; i++ {
|
|
v.cursor.Right()
|
|
}
|
|
} else {
|
|
v.eh.Insert(v.cursor.Loc(), "\t")
|
|
v.cursor.Right()
|
|
}
|
|
return true
|
|
}
|
|
|
|
// Save the buffer to disk
|
|
func (v *View) Save() bool {
|
|
// If this is an empty buffer, ask for a filename
|
|
if v.buf.path == "" {
|
|
filename, canceled := messenger.Prompt("Filename: ")
|
|
if !canceled {
|
|
v.buf.path = filename
|
|
v.buf.name = filename
|
|
} else {
|
|
return true
|
|
}
|
|
}
|
|
err := v.buf.Save()
|
|
if err != nil {
|
|
messenger.Error(err.Error())
|
|
} else {
|
|
messenger.Message("Saved " + v.buf.path)
|
|
switch v.buf.filetype {
|
|
case "Go":
|
|
v.GoSave()
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// GoSave saves the current file (must be a go file) and runs goimports or gofmt
|
|
// depending on the user's configuration
|
|
func (v *View) GoSave() {
|
|
if settings["goimports"] == true {
|
|
messenger.Message("Running goimports...")
|
|
err := goimports(v.buf.path)
|
|
if err != nil {
|
|
messenger.Error(err)
|
|
} else {
|
|
messenger.Message("Saved " + v.buf.path)
|
|
}
|
|
v.reOpen()
|
|
} else if settings["gofmt"] == true {
|
|
messenger.Message("Running gofmt...")
|
|
err := gofmt(v.buf.path)
|
|
if err != nil {
|
|
messenger.Error(err)
|
|
} else {
|
|
messenger.Message("Saved " + v.buf.path)
|
|
}
|
|
v.reOpen()
|
|
return
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// Find opens a prompt and searches forward for the input
|
|
func (v *View) Find() bool {
|
|
if v.cursor.HasSelection() {
|
|
searchStart = v.cursor.curSelection[1]
|
|
} else {
|
|
searchStart = ToCharPos(v.cursor.x, v.cursor.y, 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]
|
|
} else {
|
|
searchStart = ToCharPos(v.cursor.x, v.cursor.y, v.buf)
|
|
}
|
|
messenger.Message("Find: " + lastSearch)
|
|
Search(lastSearch, v, true)
|
|
return true
|
|
}
|
|
|
|
// FindPrevious searches backwards for the last used search term
|
|
func (v *View) FindPrevious() bool {
|
|
if v.cursor.HasSelection() {
|
|
searchStart = v.cursor.curSelection[0]
|
|
} else {
|
|
searchStart = ToCharPos(v.cursor.x, v.cursor.y, v.buf)
|
|
}
|
|
messenger.Message("Find: " + lastSearch)
|
|
Search(lastSearch, v, false)
|
|
return true
|
|
}
|
|
|
|
// Undo undoes the last action
|
|
func (v *View) Undo() bool {
|
|
v.eh.Undo()
|
|
return true
|
|
}
|
|
|
|
// Redo redoes the last action
|
|
func (v *View) Redo() bool {
|
|
v.eh.Redo()
|
|
return true
|
|
}
|
|
|
|
// Copy the selection to the system clipboard
|
|
func (v *View) Copy() bool {
|
|
if v.cursor.HasSelection() {
|
|
clipboard.WriteAll(v.cursor.GetSelection())
|
|
v.freshClip = true
|
|
}
|
|
return true
|
|
}
|
|
|
|
// CutLine cuts the current line to the clipboard
|
|
func (v *View) CutLine() bool {
|
|
v.cursor.SelectLine()
|
|
if v.freshClip == true {
|
|
|
|
if v.cursor.HasSelection() {
|
|
if clip, err := clipboard.ReadAll(); err != nil {
|
|
messenger.Error(err)
|
|
} else {
|
|
clipboard.WriteAll(clip + v.cursor.GetSelection())
|
|
}
|
|
}
|
|
} else if time.Since(v.lastCutTime)/time.Second > 10*time.Second || v.freshClip == false {
|
|
v.Copy()
|
|
}
|
|
v.freshClip = true
|
|
v.lastCutTime = time.Now()
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
return true
|
|
}
|
|
|
|
// Cut the selection to the system clipboard
|
|
func (v *View) Cut() bool {
|
|
if v.cursor.HasSelection() {
|
|
clipboard.WriteAll(v.cursor.GetSelection())
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
v.freshClip = true
|
|
}
|
|
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 {
|
|
if v.cursor.HasSelection() {
|
|
v.cursor.DeleteSelection()
|
|
v.cursor.ResetSelection()
|
|
}
|
|
clip, _ := clipboard.ReadAll()
|
|
v.eh.Insert(v.cursor.Loc(), clip)
|
|
v.cursor.SetLoc(v.cursor.Loc() + Count(clip))
|
|
v.freshClip = false
|
|
return true
|
|
}
|
|
|
|
// SelectAll selects the entire buffer
|
|
func (v *View) SelectAll() bool {
|
|
v.cursor.curSelection[1] = 0
|
|
v.cursor.curSelection[0] = v.buf.Len()
|
|
// Put the cursor at the beginning
|
|
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: ")
|
|
if canceled {
|
|
return true
|
|
}
|
|
home, _ := homedir.Dir()
|
|
filename = strings.Replace(filename, "~", home, 1)
|
|
file, err := ioutil.ReadFile(filename)
|
|
|
|
if err != nil {
|
|
messenger.Error(err.Error())
|
|
return true
|
|
}
|
|
buf := NewBuffer(string(file), filename)
|
|
v.OpenBuffer(buf)
|
|
}
|
|
return true
|
|
}
|
|
|
|
// Start moves the viewport to the start of the buffer
|
|
func (v *View) Start() bool {
|
|
v.topline = 0
|
|
return false
|
|
}
|
|
|
|
// End moves the viewport to the end of the buffer
|
|
func (v *View) End() bool {
|
|
if v.height > len(v.buf.lines) {
|
|
v.topline = 0
|
|
} else {
|
|
v.topline = len(v.buf.lines) - v.height
|
|
}
|
|
return false
|
|
}
|
|
|
|
// PageUp scrolls the view up a page
|
|
func (v *View) PageUp() bool {
|
|
if v.topline > v.height {
|
|
v.ScrollUp(v.height)
|
|
} else {
|
|
v.topline = 0
|
|
}
|
|
return false
|
|
}
|
|
|
|
// PageDown scrolls the view down a page
|
|
func (v *View) PageDown() bool {
|
|
if len(v.buf.lines)-(v.topline+v.height) > v.height {
|
|
v.ScrollDown(v.height)
|
|
} else if len(v.buf.lines) >= v.height {
|
|
v.topline = len(v.buf.lines) - v.height
|
|
}
|
|
return false
|
|
}
|
|
|
|
// HalfPageUp scrolls the view up half a page
|
|
func (v *View) HalfPageUp() bool {
|
|
if v.topline > v.height/2 {
|
|
v.ScrollUp(v.height / 2)
|
|
} else {
|
|
v.topline = 0
|
|
}
|
|
return false
|
|
}
|
|
|
|
// HalfPageDown scrolls the view down half a page
|
|
func (v *View) HalfPageDown() bool {
|
|
if len(v.buf.lines)-(v.topline+v.height) > v.height/2 {
|
|
v.ScrollDown(v.height / 2)
|
|
} else {
|
|
if len(v.buf.lines) >= v.height {
|
|
v.topline = len(v.buf.lines) - v.height
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// ToggleRuler turns line numbers off and on
|
|
func (v *View) ToggleRuler() bool {
|
|
if settings["ruler"] == false {
|
|
settings["ruler"] = true
|
|
} else {
|
|
settings["ruler"] = false
|
|
}
|
|
return false
|
|
}
|
|
|
|
// None is no action
|
|
func None() bool {
|
|
return false
|
|
}
|
|
|
|
// gofmt runs gofmt on a file
|
|
func gofmt(file string) error {
|
|
cmd := exec.Command("gofmt", "-w", file)
|
|
cmd.Start()
|
|
err := cmd.Wait()
|
|
if err != nil {
|
|
return errors.New("Check syntax ") //TODO: highlight or display locations
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// goimports runs goimports on a file
|
|
func goimports(file string) error {
|
|
cmd := exec.Command("goimports", "-w", file)
|
|
cmd.Start()
|
|
err := cmd.Wait()
|
|
if err != nil {
|
|
return errors.New("Check syntax ") //TODO: highlight or display locations
|
|
}
|
|
return nil
|
|
}
|