func (ch *commandHandler) Register(name string, cmd interface{}) error {
var r = false
log.Finest("Want to register %s", name)
if ac, ok := cmd.(ApplicationCommand); ok {
if _, ok := ch.ApplicationCommands[name]; ok {
return fmt.Errorf("%s is already a registered command", name)
}
r = true
ch.ApplicationCommands[name] = ac
}
if wc, ok := cmd.(WindowCommand); ok {
if _, ok := ch.WindowCommands[name]; ok {
return fmt.Errorf("%s is already a registered command", name)
}
r = true
ch.WindowCommands[name] = wc
}
if tc, ok := cmd.(TextCommand); ok {
if _, ok := ch.TextCommands[name]; ok {
return fmt.Errorf("%s is already a registered command", name)
}
r = true
ch.TextCommands[name] = tc
}
if !r {
return fmt.Errorf("Command wasn't registered in any list: %s", name)
} else if ch.verbose {
log.Finest("Successfully registered command %s", name)
}
return nil
}
func (w *Watcher) Watch(name string, cb interface{}) error {
log.Finest("Watch(%s)", name)
fi, err := os.Stat(name)
isDir := err == nil && fi.IsDir()
// If the file doesn't exist currently we will add watcher for file
// directory and look for create event inside the directory
if os.IsNotExist(err) {
log.Debug("File doesn't exist, Watching parent dir")
if err := w.Watch(filepath.Dir(name), nil); err != nil {
return err
}
}
w.lock.Lock()
defer w.lock.Unlock()
if err := w.add(name, cb); err != nil {
if !isDir || exist(w.dirs, name) {
return err
}
}
// If exists in watchers we are already watching the path
// Or
// If the file is under one of watched dirs
//
// no need to create watcher
if exist(w.watchers, name) || (!isDir && exist(w.dirs, filepath.Dir(name))) {
return nil
}
if err := w.watch(name); err != nil {
return err
}
if isDir {
w.flushDir(name)
}
return nil
}
// Returns packet file data if any error occurred
// on reading file we will return nil
func (p *Packet) Get() interface{} {
e := []byte(`{}`)
if p.group() == "keymap" {
e = []byte(`[]`)
}
if _, err := os.Stat(p.path); os.IsNotExist(err) {
log.Finest("%s doesn't exist yet", p.path)
return e
}
d, err := ioutil.ReadFile(p.path)
if err != nil {
log.Errorf("Couldn't read file: %s", err)
return e
}
return d
}
func (w *Watcher) UnWatch(name string, cb interface{}) error {
log.Finest("UnWatch(%s)", name)
w.lock.Lock()
defer w.lock.Unlock()
if cb == nil {
return w.unWatch(name)
}
for i, c := range w.watched[name] {
if c == cb {
w.watched[name][i] = w.watched[name][len(w.watched[name])-1]
w.watched[name][len(w.watched[name])-1] = nil
w.watched[name] = w.watched[name][:len(w.watched[name])-1]
break
}
}
if len(w.watched[name]) == 0 {
w.unWatch(name)
}
return nil
}
func (v *View) FileChanged(filename string) {
log.Finest("Reloading %s", filename)
if saving, ok := v.Settings().Get("lime.saving", false).(bool); ok && saving {
// This reload was triggered by ourselves saving to this file, so don't reload it
return
}
if !GetEditor().Frontend().OkCancelDialog("File was changed by another program, reload?", "reload") {
return
}
if d, err := ioutil.ReadFile(filename); err != nil {
log.Errorf("Could not read file: %s\n. Error was: %v", filename, err)
} else {
edit := v.BeginEdit()
end := v.Buffer().Size()
v.Replace(edit, Region{0, end}, string(d))
v.EndEdit(edit)
}
}
func (t *tbfe) renderthread() {
pc := 0
dorender := func() {
defer func() {
if r := recover(); r != nil {
log.Error("Panic in renderthread: %v\n%s", r, string(debug.Stack()))
if pc > 1 {
panic(r)
}
pc++
}
}()
termbox.Clear(defaultFg, defaultBg)
t.lock.Lock()
vs := make([]*backend.View, 0, len(t.layout))
l := make([]layout, 0, len(t.layout))
for k, v := range t.layout {
vs = append(vs, k)
l = append(l, v)
}
runes := []rune(t.status_message)
t.lock.Unlock()
w, h := termbox.Size()
for i := 0; i < w && i < len(runes); i++ {
termbox.SetCell(i, h-2, runes[i], defaultFg, defaultBg)
}
for i, v := range vs {
t.renderView(v, l[i])
}
termbox.Flush()
}
for _ = range t.dorender {
log.Finest("Rendering")
dorender()
}
}
func (e *Editor) inputthread() {
pc := 0
var lastBindings keys.KeyBindings
doinput := func(kp keys.KeyPress) {
defer func() {
if r := recover(); r != nil {
log.Error("Panic in inputthread: %v\n%s", r, string(debug.Stack()))
if pc > 0 {
panic(r)
}
pc++
}
}()
p := Prof.Enter("hi")
defer p.Exit()
lvl := log.FINE
if e.logInput {
lvl++
}
log.Logf(lvl, "Key: %v", kp)
if lastBindings.KeyOff() == 0 {
lastBindings = e.keyBindings
}
try_again:
possible_actions := lastBindings.Filter(kp)
lastBindings = possible_actions
// TODO?
var (
wnd *Window
v *View
)
if wnd = e.ActiveWindow(); wnd != nil {
v = wnd.ActiveView()
}
qc := func(key string, operator Op, operand interface{}, match_all bool) bool {
return OnQueryContext.Call(v, key, operator, operand, match_all) == True
}
if action := possible_actions.Action(qc); action != nil {
p2 := Prof.Enter("hi.perform")
e.RunCommand(action.Command, action.Args)
p2.Exit()
} else if possible_actions.KeyOff() > 1 {
lastBindings = e.keyBindings
goto try_again
} else if kp.IsCharacter() {
p2 := Prof.Enter("hi.character")
log.Finest("kp: %v, pos: %v", kp, possible_actions)
if err := e.CommandHandler().RunTextCommand(v, "insert", Args{"characters": string(rune(kp.Key))}); err != nil {
log.Debug("Couldn't run textcommand: %s", err)
}
p2.Exit()
}
}
for kp := range e.keyInput {
doinput(kp)
}
}
func (c *TextCommandGlue) Run(v *backend.View, e *backend.Edit) error {
l := py.NewLock()
defer l.Unlock()
p0 := util.Prof.Enter("tc.run")
defer p0.Exit()
var (
pyv, pye, pyargs, obj py.Object
err error
)
if pyv, err = toPython(v); err != nil {
return pyError(err)
}
defer pyv.Decref()
if pye, err = toPython(e); err != nil {
return pyError(err)
}
defer pye.Decref()
if pyargs, err = c.CreatePyArgs(c.args); err != nil {
return pyError(err)
}
defer pyargs.Decref()
init := util.Prof.Enter("tc.init")
if obj, err = c.inner.Base().CallFunctionObjArgs(pyv); err != nil {
return pyError(err)
}
defer obj.Decref()
init.Exit()
// interrupt := true
// defer func() { interrupt = false }()
// go func() {
// <-time.After(time.Second * 5)
// if interrupt {
// py.SetInterrupt()
// }
// }()
exec := util.Prof.Enter("tc.exec")
defer exec.Exit()
if obj.Base().HasAttrString("run_") {
// The plugin is probably trying to bypass the undostack...
old := v.IsScratch()
v.SetScratch(true)
log.Finest("Discarded: %s", e)
v.EndEdit(e)
v.SetScratch(old)
ret, err := obj.Base().CallMethodObjArgs("run_", pye, pyargs)
if ret != nil {
ret.Decref()
}
if err != nil {
return pyError(err)
}
return nil
}
ret, err := obj.Base().CallMethodObjArgs("run__", pye, pyargs)
if ret != nil {
ret.Decref()
}
if err != nil {
return pyError(err)
}
return nil
}
// Trigger this WindowEvent by calling all the registered callbacks in order of registration.
func (we *WindowEvent) Call(w *Window) {
log.Finest("%s(%v)", wevNames[we], w.Id())
for _, ev := range *we {
ev(w)
}
}
// Trigger this ViewEvent by calling all the registered callbacks in order of registration.
func (ve *ViewEvent) Call(v *View) {
log.Finest("%s(%v)", evNames[ve], v.Id())
for _, ev := range *ve {
ev(v)
}
}
