"time"
"github.com/go-errors/errors"
- "github.com/layeh/gopher-luar"
"github.com/mattn/go-isatty"
"github.com/mitchellh/go-homedir"
"github.com/yuin/gopher-lua"
"github.com/zyedidia/clipboard"
"github.com/zyedidia/tcell"
"github.com/zyedidia/tcell/encoding"
+ "layeh.com/gopher-luar"
)
const (
- synLinesUp = 75 // How many lines up to look to do syntax highlighting
- synLinesDown = 75 // How many lines down to look to do syntax highlighting
doubleClickThreshold = 400 // How many milliseconds to wait before a second click is not a double click
undoThreshold = 500 // If two events are less than n milliseconds apart, undo both of them
autosaveTime = 8 // Number of seconds to wait before autosaving
// Version is the version number or commit hash
// These variables should be set by the linker when compiling
- Version = "Unknown"
+ Version = "0.0.0-unknown"
CommitHash = "Unknown"
CompileDate = "Unknown"
- // L is the lua state
- // This is the VM that runs the plugins
- L *lua.LState
-
// The list of views
tabs []*Tab
// This is the currently open tab
var filename string
var input []byte
var err error
- var buffers []*Buffer
+ args := flag.Args()
+ buffers := make([]*Buffer, 0, len(args))
- if len(flag.Args()) > 0 {
+ if len(args) > 0 {
// Option 1
// We go through each file and load it
- for i := 0; i < len(flag.Args()); i++ {
- filename = flag.Args()[i]
+ for i := 0; i < len(args); i++ {
+ filename = args[i]
// Check that the file exists
+ var input *os.File
if _, e := os.Stat(filename); e == nil {
// If it exists we load it into a buffer
- input, err = ioutil.ReadFile(filename)
+ input, err = os.Open(filename)
+ stat, _ := input.Stat()
+ defer input.Close()
if err != nil {
TermMessage(err)
- input = []byte{}
- filename = ""
+ continue
+ }
+ if stat.IsDir() {
+ TermMessage("Cannot read", filename, "because it is a directory")
+ continue
}
}
// If the file didn't exist, input will be empty, and we'll open an empty buffer
- buffers = append(buffers, NewBuffer(input, filename))
+ if input != nil {
+ buffers = append(buffers, NewBuffer(input, FSize(input), filename))
+ } else {
+ buffers = append(buffers, NewBufferFromString("", filename))
+ }
}
} else if !isatty.IsTerminal(os.Stdin.Fd()) {
// Option 2
TermMessage("Error reading from stdin: ", err)
input = []byte{}
}
- buffers = append(buffers, NewBuffer(input, filename))
+ buffers = append(buffers, NewBufferFromString(string(input), filename))
} else {
// Option 3, just open an empty buffer
- buffers = append(buffers, NewBuffer(input, filename))
+ buffers = append(buffers, NewBufferFromString(string(input), filename))
}
return buffers
}
configDir = xdgHome + "/micro"
+ if len(*flagConfigDir) > 0 {
+ if _, err := os.Stat(*flagConfigDir); os.IsNotExist(err) {
+ TermMessage("Error: " + *flagConfigDir + " does not exist. Defaulting to " + configDir + ".")
+ } else {
+ configDir = *flagConfigDir
+ return
+ }
+ }
+
if _, err := os.Stat(xdgHome); os.IsNotExist(err) {
// If the xdgHome doesn't exist we should create it
err = os.Mkdir(xdgHome, os.ModePerm)
screen, err = tcell.NewScreen()
if err != nil {
fmt.Println(err)
+ if err == tcell.ErrTermNotFound {
+ fmt.Println("Micro does not recognize your terminal:", oldTerm)
+ fmt.Println("Please go to https://github.com/zyedidia/mkinfo to read about how to fix this problem (it should be easy to fix).")
+ }
os.Exit(1)
}
if err = screen.Init(); err != nil {
os.Setenv("TERM", oldTerm)
}
+ if GetGlobalOption("mouse").(bool) {
+ screen.EnableMouse()
+ }
+
screen.SetStyle(defStyle)
- screen.EnableMouse()
}
// RedrawAll redraws everything -- all the views and the messenger
func RedrawAll() {
messenger.Clear()
+
+ w, h := screen.Size()
+ for x := 0; x < w; x++ {
+ for y := 0; y < h; y++ {
+ screen.SetContent(x, y, ' ', nil, defStyle)
+ }
+ }
+
for _, v := range tabs[curTab].views {
v.Display()
}
DisplayTabs()
messenger.Display()
+ if globalSettings["keymenu"].(bool) {
+ DisplayKeyMenu()
+ }
screen.Show()
}
InitCommands()
InitBindings()
- LoadSyntaxFiles()
+ InitColorscheme()
for _, tab := range tabs {
for _, v := range tab.views {
v.Buf.UpdateRules()
- if v.Buf.Settings["syntax"].(bool) {
- v.matches = Match(v)
- }
}
}
}
// Passing -version as a flag will have micro print out the version number
var flagVersion = flag.Bool("version", false, "Show the version number and information")
var flagStartPos = flag.String("startpos", "", "LINE,COL to start the cursor at when opening a buffer.")
+var flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
+var flagOptions = flag.Bool("options", false, "Show all option help")
func main() {
flag.Usage = func() {
fmt.Println("Usage: micro [OPTIONS] [FILE]...")
- fmt.Print("Micro's options can be set via command line arguments for quick adjustments. For real configuration, please use the bindings.json file (see 'help options').\n\n")
- flag.PrintDefaults()
+ fmt.Println("-config-dir dir")
+ fmt.Println(" \tSpecify a custom location for the configuration directory")
+ fmt.Println("-startpos LINE,COL")
+ fmt.Println(" \tSpecify a line and column to start the cursor at when opening a buffer")
+ fmt.Println("-options")
+ fmt.Println(" \tShow all option help")
+ fmt.Println("-version")
+ fmt.Println(" \tShow the version number and information")
+
+ fmt.Print("\nMicro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the bindings.json\nfile (see 'help options').\n\n")
+ fmt.Println("-option value")
+ fmt.Println(" \tSet `option` to `value` for this session")
+ fmt.Println(" \tFor example: `micro -syntax off file.c`")
+ fmt.Println("\nUse `micro -options` to see the full list of configuration options")
}
optionFlags := make(map[string]*string)
os.Exit(0)
}
+ if *flagOptions {
+ // If -options was passed
+ for k, v := range DefaultGlobalSettings() {
+ fmt.Printf("-%s value\n", k)
+ fmt.Printf(" \tThe %s option. Default value: '%v'\n", k, v)
+ }
+ os.Exit(0)
+ }
+
// Start the Lua VM for running plugins
L = lua.NewState()
defer L.Close()
encoding.Register()
tcell.SetEncodingFallback(tcell.EncodingFallbackASCII)
- LoadAll()
+ // Find the user's configuration directory (probably $XDG_CONFIG_HOME/micro)
+ InitConfigDir()
+
+ // Build a list of available Extensions (Syntax, Colorscheme etc.)
+ InitRuntimeFiles()
+
+ // Load the user's settings
+ InitGlobalSettings()
+
+ InitCommands()
+ InitBindings()
// Start the screen
InitScreen()
// Create a new messenger
// This is used for sending the user messages in the bottom of the editor
messenger = new(Messenger)
- messenger.history = make(map[string][]string)
+ messenger.LoadHistory()
// Now we load the input
buffers := LoadInput()
+ if len(buffers) == 0 {
+ screen.Fini()
+ os.Exit(1)
+ }
+
for _, buf := range buffers {
// For each buffer we create a new tab and place the view in that tab
tab := NewTabFromView(NewView(buf))
for _, t := range tabs {
for _, v := range t.views {
v.Center(false)
- if globalSettings["syntax"].(bool) {
- v.matches = Match(v)
- }
}
t.Resize()
L.SetGlobal("HandleShellCommand", luar.New(L, HandleShellCommand))
L.SetGlobal("GetLeadingWhitespace", luar.New(L, GetLeadingWhitespace))
L.SetGlobal("MakeCompletion", luar.New(L, MakeCompletion))
- L.SetGlobal("NewBuffer", luar.New(L, NewBuffer))
+ L.SetGlobal("NewBuffer", luar.New(L, NewBufferFromString))
L.SetGlobal("RuneStr", luar.New(L, func(r rune) string {
return string(r)
}))
L.SetGlobal("Loc", luar.New(L, func(x, y int) Loc {
return Loc{x, y}
}))
+ L.SetGlobal("WorkingDirectory", luar.New(L, os.Getwd))
L.SetGlobal("JoinPaths", luar.New(L, filepath.Join))
+ L.SetGlobal("DirectoryName", luar.New(L, filepath.Dir))
L.SetGlobal("configDir", luar.New(L, configDir))
L.SetGlobal("Reload", luar.New(L, LoadAll))
+ L.SetGlobal("ByteOffset", luar.New(L, ByteOffset))
+ L.SetGlobal("ToCharPos", luar.New(L, ToCharPos))
// Used for asynchronous jobs
L.SetGlobal("JobStart", luar.New(L, JobStart))
+ L.SetGlobal("JobSpawn", luar.New(L, JobSpawn))
L.SetGlobal("JobSend", luar.New(L, JobSend))
L.SetGlobal("JobStop", luar.New(L, JobStop))
L.SetGlobal("ListRuntimeFiles", luar.New(L, PluginListRuntimeFiles))
L.SetGlobal("AddRuntimeFile", luar.New(L, PluginAddRuntimeFile))
L.SetGlobal("AddRuntimeFilesFromDirectory", luar.New(L, PluginAddRuntimeFilesFromDirectory))
+ L.SetGlobal("AddRuntimeFileFromMemory", luar.New(L, PluginAddRuntimeFileFromMemory))
+
+ // Access to Go stdlib
+ L.SetGlobal("import", luar.New(L, Import))
jobs = make(chan JobFunction, 100)
events = make(chan tcell.Event, 100)
LoadPlugins()
- // Load the syntax files, including the colorscheme
- LoadSyntaxFiles()
-
for _, t := range tabs {
for _, v := range t.views {
- v.Buf.FindFileType()
- v.Buf.UpdateRules()
- for _, pl := range loadedPlugins {
+ for pl := range loadedPlugins {
_, err := Call(pl+".onViewOpen", v)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
continue
}
}
- if v.Buf.Settings["syntax"].(bool) {
- v.matches = Match(v)
- }
}
}
+ InitColorscheme()
+
// Here is the event loop which runs in a separate thread
go func() {
for {
- events <- screen.PollEvent()
+ if screen != nil {
+ events <- screen.PollEvent()
+ }
}
}()
for event != nil {
switch e := event.(type) {
+ case *tcell.EventResize:
+ for _, t := range tabs {
+ t.Resize()
+ }
case *tcell.EventMouse:
- if e.Buttons() == tcell.Button1 {
- // If the user left clicked we check a couple things
- _, h := screen.Size()
- x, y := e.Position()
- if y == h-1 && messenger.message != "" && globalSettings["infobar"].(bool) {
- // If the user clicked in the bottom bar, and there is a message down there
- // we copy it to the clipboard.
- // Often error messages are displayed down there so it can be useful to easily
- // copy the message
- clipboard.WriteAll(messenger.message, "primary")
- break
- }
+ if !searching {
+ if e.Buttons() == tcell.Button1 {
+ // If the user left clicked we check a couple things
+ _, h := screen.Size()
+ x, y := e.Position()
+ if y == h-1 && messenger.message != "" && globalSettings["infobar"].(bool) {
+ // If the user clicked in the bottom bar, and there is a message down there
+ // we copy it to the clipboard.
+ // Often error messages are displayed down there so it can be useful to easily
+ // copy the message
+ clipboard.WriteAll(messenger.message, "primary")
+ break
+ }
- if CurView().mouseReleased {
- // We loop through each view in the current tab and make sure the current view
- // is the one being clicked in
- for _, v := range tabs[curTab].views {
- if x >= v.x && x < v.x+v.width && y >= v.y && y < v.y+v.height {
- tabs[curTab].curView = v.Num
+ if CurView().mouseReleased {
+ // We loop through each view in the current tab and make sure the current view
+ // is the one being clicked in
+ for _, v := range tabs[curTab].views {
+ if x >= v.x && x < v.x+v.Width && y >= v.y && y < v.y+v.Height {
+ tabs[curTab].CurView = v.Num
+ }
}
}
}
default:
event = nil
}
-
}
}
}