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         tab           *Tab
  21 }
  22
  23 func NewTermPane(x, y, w, h int, t *shell.Terminal, id uint64, tab *Tab) *TermPane {
  24         th := new(TermPane)
  25         th.Terminal = t
  26         th.id = id
  27         th.mouseReleased = true
  28         th.Window = display.NewTermWindow(x, y, w, h, t)
  29         th.tab = tab
  30         return th
  31 }
  32
  33 func (t *TermPane) ID() uint64 {
  34         return t.id
  35 }
  36
  37 func (t *TermPane) SetID(i uint64) {
  38         t.id = i
  39 }
  40
  41 func (t *TermPane) SetTab(tab *Tab) {
  42         t.tab = tab
  43 }
  44
  45 func (t *TermPane) Tab() *Tab {
  46         return t.tab
  47 }
  48
  49 func (t *TermPane) Close() {}
  50
  51 func (t *TermPane) Quit() {
  52         t.Close()
  53         if len(MainTab().Panes) > 1 {
  54                 t.Unsplit()
  55         } else if len(Tabs.List) > 1 {
  56                 Tabs.RemoveTab(t.id)
  57         } else {
  58                 screen.Screen.Fini()
  59                 InfoBar.Close()
  60                 runtime.Goexit()
  61         }
  62 }
  63
  64 func (t *TermPane) Unsplit() {
  65         n := MainTab().GetNode(t.id)
  66         n.Unsplit()
  67
  68         MainTab().RemovePane(MainTab().GetPane(t.id))
  69         MainTab().Resize()
  70         MainTab().SetActive(len(MainTab().Panes) - 1)
  71 }
  72
  73 // HandleEvent handles a tcell event by forwarding it to the terminal emulator
  74 // If the event is a mouse event and the program running in the emulator
  75 // does not have mouse support, the emulator will support selections and
  76 // copy-paste
  77 func (t *TermPane) HandleEvent(event tcell.Event) {
  78         if e, ok := event.(*tcell.EventKey); ok {
  79                 if t.Status == shell.TTDone {
  80                         switch e.Key() {
  81                         case tcell.KeyEscape, tcell.KeyCtrlQ, tcell.KeyEnter:
  82                                 t.Close()
  83                                 t.Quit()
  84                         default:
  85                         }
  86                 }
  87                 if e.Key() == tcell.KeyCtrlC && t.HasSelection() {
  88                         clipboard.WriteAll(t.GetSelection(t.GetView().Width), "clipboard")
  89                         InfoBar.Message("Copied selection to clipboard")
  90                 } else if t.Status != shell.TTDone {
  91                         t.WriteString(event.EscSeq())
  92                 }
  93         } else if _, ok := event.(*tcell.EventPaste); ok {
  94                 if t.Status != shell.TTDone {
  95                         t.WriteString(event.EscSeq())
  96                 }
  97         } else if e, ok := event.(*tcell.EventMouse); e != nil && (!ok || t.State.Mode(terminal.ModeMouseMask)) {
  98                 // t.WriteString(event.EscSeq())
  99         } else if e != nil {
 100                 x, y := e.Position()
 101                 v := t.GetView()
 102                 x -= v.X
 103                 y -= v.Y
 104
 105                 if e.Buttons() == tcell.Button1 {
 106                         if !t.mouseReleased {
 107                                 // drag
 108                                 t.Selection[1].X = x
 109                                 t.Selection[1].Y = y
 110                         } else {
 111                                 t.Selection[0].X = x
 112                                 t.Selection[0].Y = y
 113                                 t.Selection[1].X = x
 114                                 t.Selection[1].Y = y
 115                         }
 116
 117                         t.mouseReleased = false
 118                 } else if e.Buttons() == tcell.ButtonNone {
 119                         if !t.mouseReleased {
 120                                 t.Selection[1].X = x
 121                                 t.Selection[1].Y = y
 122                         }
 123                         t.mouseReleased = true
 124                 }
 125         }
 126
 127         if t.Status == shell.TTClose {
 128                 t.Quit()
 129         }
 130 }
 131
 132 func (t *TermPane) HandleCommand(input string) {
 133         InfoBar.Error("Commands are unsupported in term for now")
 134 }