internal/action/termpane.go

   1 package action
   2
   3 import (
   4         "runtime"
   5
   6         "github.com/zyedidia/clipboard"
   7         "github.com/zyedidia/micro/internal/display"
   8         "github.com/zyedidia/micro/internal/screen"
   9         "github.com/zyedidia/micro/internal/shell"
  10         "github.com/zyedidia/tcell"
  11         "github.com/zyedidia/terminal"
  12 )
  13
  14 type TermPane struct {
  15         *shell.Terminal
  16         display.Window
  17
  18         mouseReleased bool
  19         id            uint64
  20 }
  21
  22 func NewTermPane(x, y, w, h int, t *shell.Terminal, id uint64) *TermPane {
  23         th := new(TermPane)
  24         th.Terminal = t
  25         th.id = id
  26         th.mouseReleased = true
  27         th.Window = display.NewTermWindow(x, y, w, h, t)
  28         return th
  29 }
  30
  31 func (t *TermPane) ID() uint64 {
  32         return t.id
  33 }
  34
  35 func (t *TermPane) SetID(i uint64) {
  36         t.id = i
  37 }
  38
  39 func (t *TermPane) Close() {}
  40
  41 func (t *TermPane) Quit() {
  42         t.Close()
  43         if len(MainTab().Panes) > 1 {
  44                 t.Unsplit()
  45         } else if len(Tabs.List) > 1 {
  46                 Tabs.RemoveTab(t.id)
  47         } else {
  48                 screen.Screen.Fini()
  49                 InfoBar.Close()
  50                 runtime.Goexit()
  51         }
  52 }
  53
  54 func (t *TermPane) Unsplit() {
  55         n := MainTab().GetNode(t.id)
  56         n.Unsplit()
  57
  58         MainTab().RemovePane(MainTab().GetPane(t.id))
  59         MainTab().Resize()
  60         MainTab().SetActive(len(MainTab().Panes) - 1)
  61 }
  62
  63 // HandleEvent handles a tcell event by forwarding it to the terminal emulator
  64 // If the event is a mouse event and the program running in the emulator
  65 // does not have mouse support, the emulator will support selections and
  66 // copy-paste
  67 func (t *TermPane) HandleEvent(event tcell.Event) {
  68         if e, ok := event.(*tcell.EventKey); ok {
  69                 if t.Status == shell.TTDone {
  70                         switch e.Key() {
  71                         case tcell.KeyEscape, tcell.KeyCtrlQ, tcell.KeyEnter:
  72                                 t.Close()
  73                                 t.Quit()
  74                         default:
  75                         }
  76                 }
  77                 if e.Key() == tcell.KeyCtrlC && t.HasSelection() {
  78                         clipboard.WriteAll(t.GetSelection(t.GetView().Width), "clipboard")
  79                         InfoBar.Message("Copied selection to clipboard")
  80                 } else if t.Status != shell.TTDone {
  81                         t.WriteString(event.EscSeq())
  82                 }
  83         } else if e, ok := event.(*tcell.EventMouse); e != nil && (!ok || t.State.Mode(terminal.ModeMouseMask)) {
  84                 t.WriteString(event.EscSeq())
  85         } else if e != nil {
  86                 x, y := e.Position()
  87                 v := t.GetView()
  88                 x -= v.X
  89                 y -= v.Y
  90
  91                 if e.Buttons() == tcell.Button1 {
  92                         if !t.mouseReleased {
  93                                 // drag
  94                                 t.Selection[1].X = x
  95                                 t.Selection[1].Y = y
  96                         } else {
  97                                 t.Selection[0].X = x
  98                                 t.Selection[0].Y = y
  99                                 t.Selection[1].X = x
 100                                 t.Selection[1].Y = y
 101                         }
 102
 103                         t.mouseReleased = false
 104                 } else if e.Buttons() == tcell.ButtonNone {
 105                         if !t.mouseReleased {
 106                                 t.Selection[1].X = x
 107                                 t.Selection[1].Y = y
 108                         }
 109                         t.mouseReleased = true
 110                 }
 111         }
 112
 113         if t.Status == shell.TTClose {
 114                 t.Quit()
 115         }
 116 }
 117
 118 func (t *TermPane) HandleCommand(input string) {
 119         InfoBar.Error("Commands are unsupported in term for now")
 120 }