Almost done terminal emulator

This commit is contained in:
Zachary Yedidia
2019-01-11 14:49:22 -05:00
parent 4146730aaf
commit 0f1483dc8c
10 changed files with 231 additions and 132 deletions

View File

@@ -818,7 +818,7 @@ func (h *BufHandler) SelectAll() bool {
func (h *BufHandler) OpenFile() bool {
InfoBar.Prompt("> ", "open ", "Open", nil, func(resp string, canceled bool) {
if !canceled {
HandleCommand(resp)
h.HandleCommand(resp)
}
})
return false
@@ -989,7 +989,7 @@ func (h *BufHandler) ShellMode() bool {
func (h *BufHandler) CommandMode() bool {
InfoBar.Prompt("> ", "", "Command", nil, func(resp string, canceled bool) {
if !canceled {
HandleCommand(resp)
h.HandleCommand(resp)
}
})
return false
@@ -1023,6 +1023,9 @@ func (h *BufHandler) Quit() bool {
InfoBar.YNPrompt("Save changes to "+h.Buf.GetName()+" before closing? (y,n,esc)", func(yes, canceled bool) {
if !canceled && !yes {
quit()
} else if !canceled && yes {
h.Save()
quit()
}
})
} else {
@@ -1040,7 +1043,7 @@ func (h *BufHandler) QuitAll() bool {
func (h *BufHandler) AddTab() bool {
width, height := screen.Screen.Size()
b := buffer.NewBufferFromString("", "", buffer.BTDefault)
tp := NewTabPane(0, 0, width, height-1, b)
tp := NewTabFromBuffer(0, 0, width, height-1, b)
Tabs.AddTab(tp)
Tabs.SetActive(len(Tabs.List) - 1)

View File

@@ -111,6 +111,14 @@ func NewBufHandler(buf *buffer.Buffer, win display.Window) *BufHandler {
return h
}
func (h *BufHandler) ID() uint64 {
return h.splitID
}
func (h *BufHandler) Name() string {
return h.Buf.GetName()
}
// HandleEvent executes the tcell event properly
// TODO: multiple actions bound to one key
func (h *BufHandler) HandleEvent(event tcell.Event) {

View File

@@ -12,7 +12,7 @@ import (
// A Command contains an action (a function to call) as well as information about how to autocomplete the command
type Command struct {
action func([]string)
action func(*BufHandler, []string)
completions []Completion
}
@@ -24,37 +24,33 @@ type StrCommand struct {
var commands map[string]Command
var commandActions map[string]func([]string)
func init() {
commandActions = map[string]func([]string){
"Set": Set,
"SetLocal": SetLocal,
"Show": Show,
"ShowKey": ShowKey,
"Run": Run,
"Bind": Bind,
"Quit": Quit,
"Save": Save,
"Replace": Replace,
"ReplaceAll": ReplaceAll,
"VSplit": VSplit,
"HSplit": HSplit,
"Tab": NewTab,
"Help": Help,
"Eval": Eval,
"ToggleLog": ToggleLog,
"Plugin": PluginCmd,
"Reload": Reload,
"Cd": Cd,
"Pwd": Pwd,
"Open": Open,
"TabSwitch": TabSwitch,
"Term": Term,
"MemUsage": MemUsage,
"Retab": Retab,
"Raw": Raw,
}
var commandActions = map[string]func(*BufHandler, []string){
"Set": (*BufHandler).SetCmd,
"SetLocal": (*BufHandler).SetLocalCmd,
"Show": (*BufHandler).ShowCmd,
"ShowKey": (*BufHandler).ShowKeyCmd,
"Run": (*BufHandler).RunCmd,
"Bind": (*BufHandler).BindCmd,
"Quit": (*BufHandler).QuitCmd,
"Save": (*BufHandler).SaveCmd,
"Replace": (*BufHandler).ReplaceCmd,
"ReplaceAll": (*BufHandler).ReplaceAllCmd,
"VSplit": (*BufHandler).VSplitCmd,
"HSplit": (*BufHandler).HSplitCmd,
"Tab": (*BufHandler).NewTabCmd,
"Help": (*BufHandler).HelpCmd,
"Eval": (*BufHandler).EvalCmd,
"ToggleLog": (*BufHandler).ToggleLogCmd,
"Plugin": (*BufHandler).PluginCmd,
"Reload": (*BufHandler).ReloadCmd,
"Cd": (*BufHandler).CdCmd,
"Pwd": (*BufHandler).PwdCmd,
"Open": (*BufHandler).OpenCmd,
"TabSwitch": (*BufHandler).TabSwitchCmd,
"Term": (*BufHandler).TermCmd,
"MemUsage": (*BufHandler).MemUsageCmd,
"Retab": (*BufHandler).RetabCmd,
"Raw": (*BufHandler).RawCmd,
}
// InitCommands initializes the default commands
@@ -123,7 +119,7 @@ func CommandEditAction(prompt string) BufKeyAction {
return func(h *BufHandler) bool {
InfoBar.Prompt("> ", prompt, "Command", nil, func(resp string, canceled bool) {
if !canceled {
HandleCommand(resp)
MainTab().CurPane().HandleCommand(resp)
}
})
return false
@@ -134,46 +130,46 @@ func CommandEditAction(prompt string) BufKeyAction {
// given command
func CommandAction(cmd string) BufKeyAction {
return func(h *BufHandler) bool {
HandleCommand(cmd)
MainTab().CurPane().HandleCommand(cmd)
return false
}
}
// PluginCmd installs, removes, updates, lists, or searches for given plugins
func PluginCmd(args []string) {
func (h *BufHandler) PluginCmd(args []string) {
}
// Retab changes all spaces to tabs or all tabs to spaces
// RetabCmd changes all spaces to tabs or all tabs to spaces
// depending on the user's settings
func Retab(args []string) {
func (h *BufHandler) RetabCmd(args []string) {
}
// Raw opens a new raw view which displays the escape sequences micro
// RawCmd opens a new raw view which displays the escape sequences micro
// is receiving in real-time
func Raw(args []string) {
func (h *BufHandler) RawCmd(args []string) {
}
// TabSwitch switches to a given tab either by name or by number
func TabSwitch(args []string) {
// TabSwitchCmd switches to a given tab either by name or by number
func (h *BufHandler) TabSwitchCmd(args []string) {
}
// Cd changes the current working directory
func Cd(args []string) {
// CdCmd changes the current working directory
func (h *BufHandler) CdCmd(args []string) {
}
// MemUsage prints micro's memory usage
// MemUsageCmd prints micro's memory usage
// Alloc shows how many bytes are currently in use
// Sys shows how many bytes have been requested from the operating system
// NumGC shows how many times the GC has been run
// Note that Go commonly reserves more memory from the OS than is currently in-use/required
// Additionally, even if Go returns memory to the OS, the OS does not always claim it because
// there may be plenty of memory to spare
func MemUsage(args []string) {
func (h *BufHandler) MemUsageCmd(args []string) {
InfoBar.Message(util.GetMemStats())
}
// Pwd prints the current working directory
func Pwd(args []string) {
// PwdCmd prints the current working directory
func (h *BufHandler) PwdCmd(args []string) {
wd, err := os.Getwd()
if err != nil {
InfoBar.Message(err.Error())
@@ -182,68 +178,86 @@ func Pwd(args []string) {
}
}
// Open opens a new buffer with a given filename
func Open(args []string) {
// OpenCmd opens a new buffer with a given filename
func (h *BufHandler) OpenCmd(args []string) {
}
// ToggleLog toggles the log view
func ToggleLog(args []string) {
// ToggleLogCmd toggles the log view
func (h *BufHandler) ToggleLogCmd(args []string) {
}
// Reload reloads all files (syntax files, colorschemes...)
func Reload(args []string) {
// ReloadCmd reloads all files (syntax files, colorschemes...)
func (h *BufHandler) ReloadCmd(args []string) {
}
// Help tries to open the given help page in a horizontal split
func Help(args []string) {
// HelpCmd tries to open the given help page in a horizontal split
func (h *BufHandler) HelpCmd(args []string) {
}
// VSplit opens a vertical split with file given in the first argument
// VSplitCmd opens a vertical split with file given in the first argument
// If no file is given, it opens an empty buffer in a new split
func VSplit(args []string) {
func (h *BufHandler) VSplitCmd(args []string) {
buf, err := buffer.NewBufferFromFile(args[0], buffer.BTDefault)
if err != nil {
InfoBar.Error(err)
return
}
MainTab().CurPane().vsplit(buf)
h.vsplit(buf)
}
// HSplit opens a horizontal split with file given in the first argument
// HSplitCmd opens a horizontal split with file given in the first argument
// If no file is given, it opens an empty buffer in a new split
func HSplit(args []string) {
func (h *BufHandler) HSplitCmd(args []string) {
buf, err := buffer.NewBufferFromFile(args[0], buffer.BTDefault)
if err != nil {
InfoBar.Error(err)
return
}
MainTab().CurPane().hsplit(buf)
h.hsplit(buf)
}
// Eval evaluates a lua expression
func Eval(args []string) {
// EvalCmd evaluates a lua expression
func (h *BufHandler) EvalCmd(args []string) {
}
// NewTab opens the given file in a new tab
func NewTab(args []string) {
// NewTabCmd opens the given file in a new tab
func (h *BufHandler) NewTabCmd(args []string) {
width, height := screen.Screen.Size()
if len(args) > 0 {
for _, a := range args {
b, err := buffer.NewBufferFromFile(a, buffer.BTDefault)
if err != nil {
InfoBar.Error(err)
return
}
tp := NewTabFromBuffer(0, 0, width, height-1, b)
Tabs.AddTab(tp)
Tabs.SetActive(len(Tabs.List) - 1)
}
} else {
b := buffer.NewBufferFromString("", "", buffer.BTDefault)
tp := NewTabFromBuffer(0, 0, width, height-1, b)
Tabs.AddTab(tp)
Tabs.SetActive(len(Tabs.List) - 1)
}
}
// Set sets an option
func Set(args []string) {
// SetCmd sets an option
func (h *BufHandler) SetCmd(args []string) {
}
// SetLocal sets an option local to the buffer
func SetLocal(args []string) {
// SetLocalCmd sets an option local to the buffer
func (h *BufHandler) SetLocalCmd(args []string) {
}
// Show shows the value of the given option
func Show(args []string) {
// ShowCmd shows the value of the given option
func (h *BufHandler) ShowCmd(args []string) {
}
// ShowKey displays the action that a key is bound to
func ShowKey(args []string) {
// ShowKeyCmd displays the action that a key is bound to
func (h *BufHandler) ShowKeyCmd(args []string) {
if len(args) < 1 {
InfoBar.Error("Please provide a key to show")
return
@@ -256,12 +270,12 @@ func ShowKey(args []string) {
}
}
// Bind creates a new keybinding
func Bind(args []string) {
// BindCmd creates a new keybinding
func (h *BufHandler) BindCmd(args []string) {
}
// Run runs a shell command in the background
func Run(args []string) {
// RunCmd runs a shell command in the background
func (h *BufHandler) RunCmd(args []string) {
runf, err := shell.RunBackgroundShell(shellwords.Join(args...))
if err != nil {
InfoBar.Error(err)
@@ -273,28 +287,54 @@ func Run(args []string) {
}
}
// Quit closes the main view
func Quit(args []string) {
// QuitCmd closes the main view
func (h *BufHandler) QuitCmd(args []string) {
}
// Save saves the buffer in the main view
func Save(args []string) {
// SaveCmd saves the buffer in the main view
func (h *BufHandler) SaveCmd(args []string) {
}
// Replace runs search and replace
func Replace(args []string) {
// ReplaceCmd runs search and replace
func (h *BufHandler) ReplaceCmd(args []string) {
}
// ReplaceAll replaces search term all at once
func ReplaceAll(args []string) {
// ReplaceAllCmd replaces search term all at once
func (h *BufHandler) ReplaceAllCmd(args []string) {
}
// Term opens a terminal in the current view
func Term(args []string) {
// TermCmd opens a terminal in the current view
func (h *BufHandler) TermCmd(args []string) {
ps := MainTab().Panes
term := func(i int) {
v := h.GetView()
t := new(shell.Terminal)
t.Start(args, false, true)
MainTab().Panes[i] = NewTermHandler(v.X, v.Y, v.Width, v.Height, t, h.ID())
MainTab().SetActive(i)
}
for i, p := range ps {
if p.ID() == h.ID() {
if h.Buf.Modified() {
InfoBar.YNPrompt("Save changes to "+h.Buf.GetName()+" before closing? (y,n,esc)", func(yes, canceled bool) {
if !canceled && !yes {
term(i)
} else if !canceled && yes {
h.Save()
term(i)
}
})
} else {
term(i)
}
}
}
}
// HandleCommand handles input from the user
func HandleCommand(input string) {
func (h *BufHandler) HandleCommand(input string) {
args, err := shellwords.Split(input)
if err != nil {
InfoBar.Error("Error parsing args ", err)
@@ -306,6 +346,6 @@ func HandleCommand(input string) {
if _, ok := commands[inputCmd]; !ok {
InfoBar.Error("Unknown command ", inputCmd)
} else {
commands[inputCmd].action(args[1:])
commands[inputCmd].action(h, args[1:])
}
}

View File

@@ -4,13 +4,13 @@ import (
"github.com/zyedidia/micro/cmd/micro/buffer"
"github.com/zyedidia/micro/cmd/micro/display"
"github.com/zyedidia/micro/cmd/micro/info"
"github.com/zyedidia/micro/cmd/micro/views"
)
type Pane interface {
Handler
display.Window
ID() uint64
Name() string
}
type EditPane struct {
@@ -34,18 +34,6 @@ func NewBufEditPane(x, y, width, height int, b *buffer.Buffer) *EditPane {
return e
}
func NewTabPane(x, y, width, height int, b *buffer.Buffer) *TabPane {
t := new(TabPane)
t.Node = views.NewRoot(x, y, width, height)
t.UIWindow = display.NewUIWindow(t.Node)
e := NewBufEditPane(x, y, width, height, b)
e.splitID = t.ID()
t.Panes = append(t.Panes, e)
return t
}
func NewInfoBar() *InfoPane {
e := new(InfoPane)
ib := info.NewBuffer()

View File

@@ -38,4 +38,5 @@ type MouseAction func(Handler, tcell.EventMouse) bool
// appropriately
type Handler interface {
HandleEvent(tcell.Event)
HandleCommand(string)
}

View File

@@ -10,19 +10,19 @@ import (
type TabList struct {
*display.TabWindow
List []*TabPane
List []*Tab
}
func NewTabList(bufs []*buffer.Buffer) *TabList {
w, h := screen.Screen.Size()
tl := new(TabList)
tl.List = make([]*TabPane, len(bufs))
tl.List = make([]*Tab, len(bufs))
if len(bufs) > 1 {
for i, b := range bufs {
tl.List[i] = NewTabPane(0, 1, w, h-2, b)
tl.List[i] = NewTabFromBuffer(0, 1, w, h-2, b)
}
} else {
tl.List[0] = NewTabPane(0, 0, w, h-1, bufs[0])
tl.List[0] = NewTabFromBuffer(0, 0, w, h-1, bufs[0])
}
tl.TabWindow = display.NewTabWindow(w, 0)
tl.Names = make([]string, len(bufs))
@@ -33,11 +33,11 @@ func NewTabList(bufs []*buffer.Buffer) *TabList {
func (t *TabList) UpdateNames() {
t.Names = t.Names[:0]
for _, p := range t.List {
t.Names = append(t.Names, p.Panes[p.active].Buf.GetName())
t.Names = append(t.Names, p.Panes[p.active].Name())
}
}
func (t *TabList) AddTab(p *TabPane) {
func (t *TabList) AddTab(p *Tab) {
t.List = append(t.List, p)
t.Resize()
t.UpdateNames()
@@ -48,7 +48,7 @@ func (t *TabList) RemoveTab(id uint64) {
if len(p.Panes) == 0 {
continue
}
if p.Panes[0].splitID == id {
if p.Panes[0].ID() == id {
copy(t.List[i:], t.List[i+1:])
t.List[len(t.List)-1] = nil
t.List = t.List[:len(t.List)-1]
@@ -118,29 +118,41 @@ func InitTabs(bufs []*buffer.Buffer) {
Tabs = NewTabList(bufs)
}
func MainTab() *TabPane {
func MainTab() *Tab {
return Tabs.List[Tabs.Active()]
}
// A TabPane represents a single tab
// A Tab represents a single tab
// It consists of a list of edit panes (the open buffers),
// a split tree (stored as just the root node), and a uiwindow
// to display the UI elements like the borders between splits
type TabPane struct {
type Tab struct {
*views.Node
*display.UIWindow
Panes []*EditPane
Panes []Pane
active int
resizing *views.Node // node currently being resized
}
func NewTabFromBuffer(x, y, width, height int, b *buffer.Buffer) *Tab {
t := new(Tab)
t.Node = views.NewRoot(x, y, width, height)
t.UIWindow = display.NewUIWindow(t.Node)
e := NewBufEditPane(x, y, width, height, b)
e.splitID = t.ID()
t.Panes = append(t.Panes, e)
return t
}
// HandleEvent takes a tcell event and usually dispatches it to the current
// active pane. However if the event is a resize or a mouse event where the user
// is interacting with the UI (resizing splits) then the event is consumed here
// If the event is a mouse event in a pane, that pane will become active and get
// the event
func (t *TabPane) HandleEvent(event tcell.Event) {
func (t *Tab) HandleEvent(event tcell.Event) {
switch e := event.(type) {
case *tcell.EventMouse:
mx, my := e.Position()
@@ -192,7 +204,7 @@ func (t *TabPane) HandleEvent(event tcell.Event) {
}
// SetActive changes the currently active pane to the specified index
func (t *TabPane) SetActive(i int) {
func (t *Tab) SetActive(i int) {
t.active = i
for j, p := range t.Panes {
if j == i {
@@ -204,9 +216,9 @@ func (t *TabPane) SetActive(i int) {
}
// GetPane returns the pane with the given split index
func (t *TabPane) GetPane(splitid uint64) int {
func (t *Tab) GetPane(splitid uint64) int {
for i, p := range t.Panes {
if p.splitID == splitid {
if p.ID() == splitid {
return i
}
}
@@ -214,16 +226,16 @@ func (t *TabPane) GetPane(splitid uint64) int {
}
// Remove pane removes the pane with the given index
func (t *TabPane) RemovePane(i int) {
func (t *Tab) RemovePane(i int) {
copy(t.Panes[i:], t.Panes[i+1:])
t.Panes[len(t.Panes)-1] = nil
t.Panes = t.Panes[:len(t.Panes)-1]
}
// Resize resizes all panes according to their corresponding split nodes
func (t *TabPane) Resize() {
func (t *Tab) Resize() {
for _, p := range t.Panes {
n := t.GetNode(p.splitID)
n := t.GetNode(p.ID())
pv := p.GetView()
offset := 0
if n.X != 0 {
@@ -236,6 +248,6 @@ func (t *TabPane) Resize() {
}
// CurPane returns the currently active pane
func (t *TabPane) CurPane() *EditPane {
func (t *Tab) CurPane() Pane {
return t.Panes[t.active]
}

View File

@@ -1,8 +1,11 @@
package action
import (
"os"
"github.com/zyedidia/clipboard"
"github.com/zyedidia/micro/cmd/micro/display"
"github.com/zyedidia/micro/cmd/micro/screen"
"github.com/zyedidia/micro/cmd/micro/shell"
"github.com/zyedidia/tcell"
"github.com/zyedidia/terminal"
@@ -13,6 +16,40 @@ type TermHandler struct {
display.Window
mouseReleased bool
id uint64
}
func NewTermHandler(x, y, w, h int, t *shell.Terminal, id uint64) *TermHandler {
th := new(TermHandler)
th.Terminal = t
th.id = id
th.Window = display.NewTermWindow(x, y, w, h, t)
return th
}
func (t *TermHandler) ID() uint64 {
return t.id
}
func (t *TermHandler) Quit() {
if len(MainTab().Panes) > 1 {
t.Unsplit()
} else if len(Tabs.List) > 1 {
Tabs.RemoveTab(t.id)
} else {
screen.Screen.Fini()
InfoBar.Close()
os.Exit(0)
}
}
func (t *TermHandler) Unsplit() {
n := MainTab().GetNode(t.id)
n.Unsplit()
MainTab().RemovePane(MainTab().GetPane(t.id))
MainTab().Resize()
MainTab().SetActive(len(MainTab().Panes) - 1)
}
// HandleEvent handles a tcell event by forwarding it to the terminal emulator
@@ -25,6 +62,7 @@ func (t *TermHandler) HandleEvent(event tcell.Event) {
switch e.Key() {
case tcell.KeyEscape, tcell.KeyCtrlQ, tcell.KeyEnter:
t.Close()
t.Quit()
default:
}
}
@@ -64,3 +102,7 @@ func (t *TermHandler) HandleEvent(event tcell.Event) {
}
}
}
func (t *TermHandler) HandleCommand(input string) {
InfoBar.Error("Commands are unsupported in term for now")
}

View File

@@ -18,9 +18,11 @@ type TermWindow struct {
func NewTermWindow(x, y, w, h int, term *shell.Terminal) *TermWindow {
tw := new(TermWindow)
tw.View = new(View)
tw.Terminal = term
tw.X, tw.Y = x, y
tw.Width, tw.Height = w, h
tw.Resize(w, h)
return tw
}

View File

@@ -15,7 +15,7 @@ import (
type TermType int
const (
TTIdle = iota // Waiting for a new command
TTClose = iota // Should be closed
TTRunning // Currently running a command
TTDone // Finished running a command
)
@@ -38,6 +38,10 @@ func (t *Terminal) HasSelection() bool {
return t.Selection[0] != t.Selection[1]
}
func (t *Terminal) Name() string {
return t.title
}
// GetSelection returns the selected text
func (t *Terminal) GetSelection(width int) string {
start := t.Selection[0]
@@ -60,7 +64,7 @@ func (t *Terminal) GetSelection(width int) string {
}
// Start begins a new command in this terminal with a given view
func (t *Terminal) Start(execCmd []string, getOutput bool) error {
func (t *Terminal) Start(execCmd []string, getOutput bool, wait bool) error {
if len(execCmd) <= 0 {
return nil
}
@@ -78,6 +82,7 @@ func (t *Terminal) Start(execCmd []string, getOutput bool) error {
t.getOutput = getOutput
t.Status = TTRunning
t.title = execCmd[0] + ":" + strconv.Itoa(cmd.Process.Pid)
t.wait = wait
go func() {
for {
@@ -88,6 +93,7 @@ func (t *Terminal) Start(execCmd []string, getOutput bool) error {
}
screen.Redraw()
}
t.Stop()
// TODO: close Term
// closeterm <- view.Num
}()
@@ -107,10 +113,10 @@ func (t *Terminal) Stop() {
}
}
// Close sets the Status to TTIdle indicating that the terminal
// is ready for a new command to execute
// Close sets the Status to TTClose indicating that the terminal
// is done and should be closed
func (t *Terminal) Close() {
t.Status = TTIdle
t.Status = TTClose
// call the lua function that the user has given as a callback
if t.getOutput {
// TODO: plugin callback on Term emulator

View File

@@ -2,7 +2,6 @@ package views
import (
"fmt"
"log"
"strings"
)
@@ -440,7 +439,6 @@ func (n *Node) unsplit(i int, h bool) {
copy(n.children[i:], n.children[i+1:])
n.children[len(n.children)-1] = nil
n.children = n.children[:len(n.children)-1]
log.Println(len(n.children))
nonrs, numr := n.getResizeInfo(h)
if numr == 0 {
@@ -475,7 +473,6 @@ func (n *Node) Unsplit() {
}
if n.parent.IsLeaf() {
log.Println("destroy parent")
n.parent.Unsplit()
}
}