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-rw-r--r--go.mod2
-rw-r--r--go.sum10
-rw-r--r--lib/ui/interfaces.go2
-rw-r--r--lib/ui/ui.go1
-rw-r--r--widgets/account.go27
-rw-r--r--widgets/aerc.go4
-rw-r--r--widgets/exline.go9
-rw-r--r--widgets/terminal.go179
8 files changed, 228 insertions, 6 deletions
diff --git a/go.mod b/go.mod
index 13a1259..42b932f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,7 @@
module git.sr.ht/~sircmpwn/aerc2
require (
+ git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190316225658-2a4963dd9ec0
github.com/emersion/go-imap v1.0.0-beta.1
github.com/emersion/go-imap-idle v0.0.0-20180114101550-2af93776db6b
github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197 // indirect
@@ -8,6 +9,7 @@ require (
github.com/gdamore/tcell v1.0.0
github.com/go-ini/ini v1.42.0
github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf
+ github.com/kr/pty v1.1.3
github.com/kyoh86/xdg v0.0.0-20171127140545-8db68a8ea76a
github.com/lucasb-eyer/go-colorful v0.0.0-20180531031333-d9cec903b20c
github.com/mattn/go-isatty v0.0.3
diff --git a/go.sum b/go.sum
index 99e88d9..dc3ccf1 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190316225658-2a4963dd9ec0 h1:aIQh7m6L3uS8/lg021Cia2QtttUgZO0LuuxJ8wc57dQ=
+git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190316225658-2a4963dd9ec0/go.mod h1:cp37LbiS1y4CrTOmKSF87ZMLwawWUF612RYKTi8vbDc=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/emersion/go-imap v1.0.0-beta.1 h1:bTCaVlUnb5mKoW9lEukusxguSYYZPer+q0g5t+vw5X0=
@@ -16,14 +18,22 @@ github.com/go-ini/ini v1.42.0 h1:TWr1wGj35+UiWHlBA8er89seFXxzwFn11spilrrj+38=
github.com/go-ini/ini v1.42.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf h1:7+FW5aGwISbqUtkfmIpZJGRgNFg2ioYPvFaUxdqpDsg=
github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf/go.mod h1:RpwtwJQFrIEPstU94h88MWPXP2ektJZ8cZ0YntAmXiE=
+github.com/kr/pty v1.1.3 h1:/Um6a/ZmD5tF7peoOJ5oN5KMQ0DrGVQSXLNwyckutPk=
+github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kyoh86/xdg v0.0.0-20171127140545-8db68a8ea76a h1:vLFQnHOnCnmlySdpHAKF+mH7MhsthJgpBbfexVhHwxY=
github.com/kyoh86/xdg v0.0.0-20171127140545-8db68a8ea76a/go.mod h1:Z5mDqe0fxyxn3W2yTxsBAOQqIrXADQIh02wrTnaRM38=
github.com/lucasb-eyer/go-colorful v0.0.0-20180531031333-d9cec903b20c h1:b11Y3yxg40v2/9KUz76a4mSC1DMlgnPGAt+4pJSgmyU=
github.com/lucasb-eyer/go-colorful v0.0.0-20180531031333-d9cec903b20c/go.mod h1:NXg0ArsFk0Y01623LgUqoqcouGDB+PwCCQlrwrG6xJ4=
github.com/mattn/go-isatty v0.0.3 h1:ns/ykhmWi7G9O+8a448SecJU3nSMBXJfqQkl0upE1jI=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-libvterm v0.0.0-20190121020430-725de0572324 h1:0C5/KYb9AMSjg9VhXk0RxNMZN/4y3vztCYVNSHIkHlg=
+github.com/mattn/go-libvterm v0.0.0-20190121020430-725de0572324/go.mod h1:E9ZjxjhK3K5YoeO/TCZVNsquRRZX2LeIX0+G33613Io=
+github.com/mattn/go-pointer v0.0.0-20180825124634-49522c3f3791 h1:PfHMsLQJwoc0ccjK0sam6J0wQo4s8mOuAo2yQGw+T2U=
+github.com/mattn/go-pointer v0.0.0-20180825124634-49522c3f3791/go.mod h1:2zXcozF6qYGgmsG+SeTZz3oAbFLdD3OWqnUbNvJZAlc=
github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC63o=
github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/micromaomao/go-libvterm v0.0.0-20190126085614-2401b10ee7ed h1:SDQJB+uDFtSsq49UlzhnJJkFNXqoSG5CHdOnoN/fWF0=
+github.com/micromaomao/go-libvterm v0.0.0-20190126085614-2401b10ee7ed/go.mod h1:TEYd4HSsUc2pZan5xJmjJQLA7c3d9dkV9lNsf8Xh3TY=
github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/nsf/termbox-go v0.0.0-20180129072728-88b7b944be8b/go.mod h1:IuKpRQcYE1Tfu+oAQqaLisqDeXgjyyltCfsaoYN18NQ=
diff --git a/lib/ui/interfaces.go b/lib/ui/interfaces.go
index c38fcff..d27afe2 100644
--- a/lib/ui/interfaces.go
+++ b/lib/ui/interfaces.go
@@ -16,6 +16,8 @@ type Drawable interface {
type Interactive interface {
// Returns true if the event was handled by this component
Event(event tcell.Event) bool
+ // Indicates whether or not this control will receive input events
+ Focus(focus bool)
}
type Simulator interface {
diff --git a/lib/ui/ui.go b/lib/ui/ui.go
index eb86e70..ced039f 100644
--- a/lib/ui/ui.go
+++ b/lib/ui/ui.go
@@ -54,6 +54,7 @@ func Initialize(conf *config.AercConfig,
state.invalidations <- nil
})()
})
+ content.Focus(true)
return &state, nil
}
diff --git a/widgets/account.go b/widgets/account.go
index 6919c0e..b6ba595 100644
--- a/widgets/account.go
+++ b/widgets/account.go
@@ -20,7 +20,7 @@ type AccountView struct {
dirlist *DirectoryList
grid *ui.Grid
logger *log.Logger
- interactive ui.Interactive
+ interactive []ui.Interactive
onInvalidate func(d ui.Drawable)
runCmd func(cmd string) error
msglist *MessageList
@@ -116,6 +116,21 @@ func (acct *AccountView) Draw(ctx *ui.Context) {
acct.grid.Draw(ctx)
}
+func (acct *AccountView) popInteractive() {
+ acct.interactive = acct.interactive[:len(acct.interactive)-1]
+ if len(acct.interactive) != 0 {
+ acct.interactive[len(acct.interactive)-1].Focus(true)
+ }
+}
+
+func (acct *AccountView) pushInteractive(item ui.Interactive) {
+ if len(acct.interactive) != 0 {
+ acct.interactive[len(acct.interactive)-1].Focus(false)
+ }
+ acct.interactive = append(acct.interactive, item)
+ item.Focus(true)
+}
+
func (acct *AccountView) beginExCommand() {
exline := NewExLine(func(command string) {
err := acct.runCmd(command)
@@ -124,18 +139,18 @@ func (acct *AccountView) beginExCommand() {
Color(tcell.ColorRed, tcell.ColorWhite)
}
acct.statusbar.Pop()
- acct.interactive = nil
+ acct.popInteractive()
}, func() {
acct.statusbar.Pop()
- acct.interactive = nil
+ acct.popInteractive()
})
- acct.interactive = exline
+ acct.pushInteractive(exline)
acct.statusbar.Push(exline)
}
func (acct *AccountView) Event(event tcell.Event) bool {
- if acct.interactive != nil {
- return acct.interactive.Event(event)
+ if len(acct.interactive) != 0 {
+ return acct.interactive[len(acct.interactive)-1].Event(event)
}
switch event := event.(type) {
diff --git a/widgets/aerc.go b/widgets/aerc.go
index 6874600..e7eebad 100644
--- a/widgets/aerc.go
+++ b/widgets/aerc.go
@@ -66,6 +66,10 @@ func (aerc *Aerc) Invalidate() {
aerc.grid.Invalidate()
}
+func (aerc *Aerc) Focus(focus bool) {
+ // who cares
+}
+
func (aerc *Aerc) Draw(ctx *libui.Context) {
aerc.grid.Draw(ctx)
}
diff --git a/widgets/exline.go b/widgets/exline.go
index 7eff74a..5c9f065 100644
--- a/widgets/exline.go
+++ b/widgets/exline.go
@@ -17,6 +17,7 @@ type ExLine struct {
ctx *ui.Context
cancel func()
cells int
+ focus bool
index int
scroll int
@@ -52,6 +53,14 @@ func (ex *ExLine) Draw(ctx *ui.Context) {
}
}
+func (ex *ExLine) Focus(focus bool) {
+ ex.focus = focus
+ if focus && ex.ctx != nil {
+ cells := runewidth.StringWidth(string(ex.command[:ex.index]))
+ ex.ctx.SetCursor(cells+1, 0)
+ }
+}
+
func (ex *ExLine) insert(ch rune) {
left := ex.command[:ex.index]
right := ex.command[ex.index:]
diff --git a/widgets/terminal.go b/widgets/terminal.go
new file mode 100644
index 0000000..4cf7d9a
--- /dev/null
+++ b/widgets/terminal.go
@@ -0,0 +1,179 @@
+package widgets
+
+import (
+ "os"
+ "os/exec"
+
+ "git.sr.ht/~sircmpwn/aerc2/lib/ui"
+
+ "git.sr.ht/~sircmpwn/go-libvterm"
+ "github.com/gdamore/tcell"
+ "github.com/kr/pty"
+)
+
+type Terminal struct {
+ closed bool
+ cmd *exec.Cmd
+ ctx *ui.Context
+ cursorPos vterm.Pos
+ cursorShown bool
+ damage []vterm.Rect
+ focus bool
+ onInvalidate func(d ui.Drawable)
+ pty *os.File
+ vterm *vterm.VTerm
+}
+
+func NewTerminal(cmd *exec.Cmd) (*Terminal, error) {
+ term := &Terminal{}
+ term.cmd = cmd
+ tty, err := pty.Start(cmd)
+ if err != nil {
+ return nil, err
+ }
+ term.pty = tty
+ rows, cols, err := pty.Getsize(term.pty)
+ if err != nil {
+ return nil, err
+ }
+ term.vterm = vterm.New(rows, cols)
+ term.vterm.SetUTF8(true)
+ go func() {
+ buf := make([]byte, 2048)
+ for {
+ n, err := term.pty.Read(buf)
+ if err != nil {
+ term.Close()
+ }
+ n, err = term.vterm.Write(buf[:n])
+ if err != nil {
+ term.Close()
+ }
+ term.Invalidate()
+ }
+ }()
+ screen := term.vterm.ObtainScreen()
+ screen.OnDamage = term.onDamage
+ screen.OnMoveCursor = term.onMoveCursor
+ screen.Reset(true)
+ return term, nil
+}
+
+func (term *Terminal) Close() {
+ if term.closed {
+ return
+ }
+ term.closed = true
+ term.vterm.Close()
+ term.pty.Close()
+ term.cmd.Process.Kill()
+}
+
+func (term *Terminal) OnInvalidate(cb func(d ui.Drawable)) {
+ term.onInvalidate = cb
+}
+
+func (term *Terminal) Invalidate() {
+ if term.onInvalidate != nil {
+ term.onInvalidate(term)
+ }
+}
+
+func (term *Terminal) Draw(ctx *ui.Context) {
+ term.ctx = ctx // gross
+ if term.closed {
+ return
+ }
+
+ rows, cols, err := pty.Getsize(term.pty)
+ if err != nil {
+ return
+ }
+ if ctx.Width() != cols || ctx.Height() != rows {
+ winsize := pty.Winsize{
+ Cols: uint16(ctx.Width()),
+ Rows: uint16(ctx.Height()),
+ }
+ pty.Setsize(term.pty, &winsize)
+ term.vterm.SetSize(ctx.Height(), ctx.Width())
+ return
+ }
+
+ screen := term.vterm.ObtainScreen()
+ screen.Flush()
+
+ type coords struct {
+ x int
+ y int
+ }
+
+ // naive optimization
+ visited := make(map[coords]interface{})
+
+ for _, rect := range term.damage {
+ for x := rect.StartCol(); x < rect.EndCol() && x < ctx.Width(); x += 1 {
+
+ for y := rect.StartCol(); y < rect.EndCol() && y < ctx.Height(); y += 1 {
+
+ coords := coords{x, y}
+ if _, ok := visited[coords]; ok {
+ continue
+ }
+ visited[coords] = nil
+
+ cell, err := screen.GetCellAt(y, x)
+ if err != nil {
+ continue
+ }
+ style := styleFromCell(cell)
+ ctx.Printf(x, y, style, "%s", string(cell.Chars()))
+ }
+ }
+ }
+}
+
+func (term *Terminal) Focus(focus bool) {
+ term.focus = focus
+ term.resetCursor()
+}
+
+func (term *Terminal) Event(event tcell.Event) bool {
+ // TODO
+ return false
+}
+
+func styleFromCell(cell *vterm.ScreenCell) tcell.Style {
+ background := cell.Bg()
+ br, bg, bb := background.GetRGB()
+ foreground := cell.Fg()
+ fr, fg, fb := foreground.GetRGB()
+ style := tcell.StyleDefault.
+ Background(tcell.NewRGBColor(int32(br), int32(bg), int32(bb))).
+ Foreground(tcell.NewRGBColor(int32(fr), int32(fg), int32(fb)))
+ return style
+}
+
+func (term *Terminal) onDamage(rect *vterm.Rect) int {
+ term.damage = append(term.damage, *rect)
+ term.Invalidate()
+ return 1
+}
+
+func (term *Terminal) resetCursor() {
+ if term.ctx != nil && term.focus {
+ if !term.cursorShown {
+ term.ctx.HideCursor()
+ } else {
+ term.ctx.SetCursor(term.cursorPos.Col(), term.cursorPos.Row())
+ }
+ }
+}
+
+func (term *Terminal) onMoveCursor(old *vterm.Pos,
+ pos *vterm.Pos, visible bool) int {
+
+ term.cursorShown = visible
+ term.cursorPos = *pos
+ term.resetCursor()
+ return 1
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 16:06:01 +0000