"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/micro/cmd/micro/terminfo"
"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 = "0.0.0-unknown"
- CommitHash = "Unknown"
+ Version = "0.0.0-unknown"
+ // CommitHash is the commit this version was built on
+ CommitHash = "Unknown"
+ // CompileDate is the date this binary was compiled on
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
// Channel of jobs running in the background
jobs chan JobFunction
+
// Event channel
events chan tcell.Event
autosave chan bool
+
+ // Channels for the terminal emulator
+ updateterm chan bool
+ closeterm chan int
+
+ // How many redraws have happened
+ numRedraw uint
)
// LoadInput determines which files should be loaded into buffers
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]
-
- // 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 = os.Open(filename)
- stat, _ := input.Stat()
- defer input.Close()
- if err != nil {
- TermMessage(err)
- continue
- }
- if stat.IsDir() {
- TermMessage("Cannot read", filename, "because it is a directory")
- continue
+ for i := 0; i < len(args); i++ {
+ if strings.HasPrefix(args[i], "+") {
+ if strings.Contains(args[i], ":") {
+ split := strings.Split(args[i], ":")
+ *flagStartPos = split[0][1:] + "," + split[1]
+ } else {
+ *flagStartPos = args[i][1:] + ",0"
}
+ continue
}
- // If the file didn't exist, input will be empty, and we'll open an empty buffer
- if input != nil {
- buffers = append(buffers, NewBuffer(input, filename))
- } else {
- buffers = append(buffers, NewBuffer(strings.NewReader(""), filename))
+
+ buf, err := NewBufferFromFile(args[i])
+ if err != nil {
+ TermMessage(err)
+ continue
}
+ // If the file didn't exist, input will be empty, and we'll open an empty buffer
+ buffers = append(buffers, buf)
}
} else if !isatty.IsTerminal(os.Stdin.Fd()) {
// Option 2
TermMessage("Error reading from stdin: ", err)
input = []byte{}
}
- buffers = append(buffers, NewBuffer(strings.NewReader(string(input)), filename))
+ buffers = append(buffers, NewBufferFromString(string(input), filename))
} else {
// Option 3, just open an empty buffer
- buffers = append(buffers, NewBuffer(strings.NewReader(string(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)
// Should we enable true color?
truecolor := os.Getenv("MICRO_TRUECOLOR") == "1"
+ tcelldb := os.Getenv("TCELLDB")
+ os.Setenv("TCELLDB", configDir+"/.tcelldb")
+
// In order to enable true color, we have to set the TERM to `xterm-truecolor` when
// initializing tcell, but after that, we can set the TERM back to whatever it was
oldTerm := os.Getenv("TERM")
var err error
screen, err = tcell.NewScreen()
if err != nil {
- fmt.Println(err)
- os.Exit(1)
+ if err == tcell.ErrTermNotFound {
+ terminfo.WriteDB(configDir + "/.tcelldb")
+ screen, err = tcell.NewScreen()
+ if err != nil {
+ fmt.Println(err)
+ fmt.Println("Fatal: Micro could not initialize a screen.")
+ os.Exit(1)
+ }
+ } else {
+ fmt.Println(err)
+ fmt.Println("Fatal: Micro could not initialize a screen.")
+ os.Exit(1)
+ }
}
if err = screen.Init(); err != nil {
fmt.Println(err)
os.Setenv("TERM", oldTerm)
}
- screen.SetStyle(defStyle)
- screen.EnableMouse()
+ if GetGlobalOption("mouse").(bool) {
+ screen.EnableMouse()
+ }
+
+ os.Setenv("TCELLDB", tcelldb)
+
+ // screen.SetStyle(defStyle)
}
// RedrawAll redraws everything -- all the views and the messenger
func RedrawAll() {
messenger.Clear()
- for _, v := range tabs[curTab].views {
+
+ 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()
+
+ if numRedraw%50 == 0 {
+ runtime.GC()
+ }
+ numRedraw++
}
func LoadAll() {
InitCommands()
InitBindings()
- LoadSyntaxFiles()
+ InitColorscheme()
for _, tab := range tabs {
- for _, v := range tab.views {
+ 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
+// Command line flags
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("+LINE:COL")
+ fmt.Println(" \tSpecify a line and column to start the cursor at when opening a buffer")
+ fmt.Println(" \tThis can also be done by opening file:LINE:COL")
+ 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 settings.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()
// 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()
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))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
for _, t := range tabs {
- for _, v := range t.views {
+ for _, v := range t.Views {
v.Center(false)
}
L.SetGlobal("IsWordChar", luar.New(L, IsWordChar))
L.SetGlobal("HandleCommand", luar.New(L, HandleCommand))
L.SetGlobal("HandleShellCommand", luar.New(L, HandleShellCommand))
+ L.SetGlobal("ExecCommand", luar.New(L, ExecCommand))
+ L.SetGlobal("RunShellCommand", luar.New(L, RunShellCommand))
+ L.SetGlobal("RunBackgroundShell", luar.New(L, RunBackgroundShell))
+ L.SetGlobal("RunInteractiveShell", luar.New(L, RunInteractiveShell))
+ L.SetGlobal("TermEmuSupported", luar.New(L, TermEmuSupported))
+ L.SetGlobal("RunTermEmulator", luar.New(L, RunTermEmulator))
L.SetGlobal("GetLeadingWhitespace", luar.New(L, GetLeadingWhitespace))
L.SetGlobal("MakeCompletion", luar.New(L, MakeCompletion))
L.SetGlobal("NewBuffer", luar.New(L, NewBufferFromString))
+ L.SetGlobal("NewBufferFromFile", luar.New(L, NewBufferFromFile))
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("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)
autosave = make(chan bool)
+ updateterm = make(chan bool)
+ closeterm = make(chan int)
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 {
- _, 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)
- }
+ for _, v := range t.Views {
+ GlobalPluginCall("onViewOpen", v)
+ GlobalPluginCall("onBufferOpen", v.Buf)
}
}
+ InitColorscheme()
+ messenger.style = defStyle
+
// Here is the event loop which runs in a separate thread
go func() {
for {
- events <- screen.PollEvent()
+ if screen != nil {
+ events <- screen.PollEvent()
+ }
}
}()
f.function(f.output, f.args...)
continue
case <-autosave:
- CurView().Save(true)
+ if CurView().Buf.Path != "" {
+ CurView().Save(true)
+ }
+ case <-updateterm:
+ continue
+ case vnum := <-closeterm:
+ tabs[curTab].Views[vnum].CloseTerminal()
case event = <-events:
}
for event != nil {
+ didAction := false
+
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 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
+ }
+ }
+ }
+ } else if e.Buttons() == tcell.WheelUp || e.Buttons() == tcell.WheelDown {
+ var view *View
+ x, y := e.Position()
+ 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
+ view = tabs[curTab].Views[v.Num]
}
}
+ if view != nil {
+ view.HandleEvent(e)
+ didAction = true
+ }
}
}
}
- // This function checks the mouse event for the possibility of changing the current tab
- // If the tab was changed it returns true
- if TabbarHandleMouseEvent(event) {
- break
- }
+ if !didAction {
+ // This function checks the mouse event for the possibility of changing the current tab
+ // If the tab was changed it returns true
+ if TabbarHandleMouseEvent(event) {
+ break
+ }
- if searching {
- // Since searching is done in real time, we need to redraw every time
- // there is a new event in the search bar so we need a special function
- // to run instead of the standard HandleEvent.
- HandleSearchEvent(event, CurView())
- } else {
- // Send it to the view
- CurView().HandleEvent(event)
+ if searching {
+ // Since searching is done in real time, we need to redraw every time
+ // there is a new event in the search bar so we need a special function
+ // to run instead of the standard HandleEvent.
+ HandleSearchEvent(event, CurView())
+ } else {
+ // Send it to the view
+ CurView().HandleEvent(event)
+ }
}
select {
default:
event = nil
}
-
}
}
}
projects / micro.git / blobdiff