start trying to make the tookits pluginsv0.4.3

    totally minimize helloworld demo
    try to make a button plugin example
    debug changes
    final changes before attempting to use a golang plugin
    actually running gocui as a plugin
    add gocli-as-plugin example
    try to convert the go-cui toolkit into a plugin
    doc updates
    make a minimal console gui

Signed-off-by: Jeff Carr <[email protected]>

8 files changed, 418 insertions, 0 deletions

diff --git a/toolkit/gocui/Makefile b/toolkit/gocui/Makefile
new file mode 100644
index 0000000..42798cc
--- /dev/null
+++ b/toolkit/gocui/Makefile
@@ -0,0 +1,8 @@
+all: plugin
+	ldd ../gocli.so
+
+build:
+	GO111MODULE="off" go build
+
+plugin:
+	GO111MODULE="off" go build -buildmode=plugin -o ../gocli.so
diff --git a/toolkit/gocui/gocui b/toolkit/gocui/gocui
new file mode 100755
index 0000000..094619c
--- /dev/null
+++ b/toolkit/gocui/gocui
diff --git a/toolkit/gocui/greeter.go b/toolkit/gocui/greeter.go
new file mode 100644
index 0000000..9d546a7
--- /dev/null
+++ b/toolkit/gocui/greeter.go
@@ -0,0 +1,57 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+type greeting string
+
+
+// func main() {
+func (g greeting) Greet() {
+	fmt.Println("Hello Universe")
+	Init()
+	// ToolkitMain()
+}
+
+// this is exported
+var Greeter greeting
+
+func AddGroup(name string) {
+	log.Println("addGroup()", name)
+	currentY = 2
+	currentX += groupSize + 6
+}
+
+func AddButton(name string) error {
+	t := len(name)
+	v, err := baseGui.SetView(name, currentX, currentY, currentX+t+3, currentY+2, 0)
+	if err == nil {
+		return err
+	}
+	if !errors.Is(err, gocui.ErrUnknownView) {
+		return err
+	}
+
+	v.Wrap = true
+	fmt.Fprintln(v, " " + name)
+	fmt.Fprintln(v, strings.Repeat("foo\n", 2))
+
+	if _, err := baseGui.SetCurrentView(name); err != nil {
+		return err
+	}
+
+	views = append(views, name)
+	curView = len(views) - 1
+	idxView += 1
+	currentY += 3
+	if (groupSize < len(views)) {
+		groupSize = len(views)
+	}
+	return nil
+}
diff --git a/toolkit/gocui/keybindings.go b/toolkit/gocui/keybindings.go
new file mode 100644
index 0000000..fdac1ff
--- /dev/null
+++ b/toolkit/gocui/keybindings.go
@@ -0,0 +1,130 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+//	"errors"
+//	"fmt"
+	"log"
+//	"strings"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+func initKeybindings(g *gocui.Gui) error {
+	log.Println("got to initKeybindings")
+	if err := g.SetKeybinding("", 'q', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return gocui.ErrQuit
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", 'Q', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return gocui.ErrQuit
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return gocui.ErrQuit
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeySpace, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return newView(g)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyBackspace, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return delView(g)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyBackspace2, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return delView(g)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			log.Println("tab", v.Name())
+			return nextView(g, true)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowLeft, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return moveView(g, v, -delta, 0)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowRight, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return moveView(g, v, delta, 0)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			log.Println("down", v.Name())
+			return moveView(g, v, 0, delta)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			log.Println("up", v.Name())
+			return moveView(g, v, 0, -delta)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyEnter, gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			log.Println("enter", v.Name())
+			return nil
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", 't', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			_, err := g.SetViewOnTop(views[curView])
+			return err
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", 'b', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			_, err := g.SetViewOnBottom(views[curView])
+			return err
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", 'j', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			return newJ(g)
+		}); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", 'h', gocui.ModNone,
+		func(g *gocui.Gui, v *gocui.View) error {
+			log.Println("help", v.Name())
+			tmp, _ := g.SetViewOnTop("help")
+			log.Println("help 2", tmp.Name(), "blah")
+//			g.SetView("help", 2, 2, 30, 15, 0);
+			g.SetCurrentView("help")
+//			moveView(g, tmp, 0, -delta)
+			if err := g.DeleteView("help"); err != nil {
+				panic(err)
+			}
+			return nil
+		}); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/toolkit/gocui/main.go b/toolkit/gocui/main.go
new file mode 100644
index 0000000..2439a3a
--- /dev/null
+++ b/toolkit/gocui/main.go
@@ -0,0 +1,97 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+const delta = 1
+
+var (
+	views   = []string{}
+	curView = -1
+	idxView = 0
+	currentX = 5
+	currentY = 2
+	groupSize = 0
+	baseGui *gocui.Gui
+)
+
+var helpLabel *gocui.View
+
+func Init() {
+	// setup log to write to a file
+//	logInit()
+
+	g, err := gocui.NewGui(gocui.OutputNormal, true)
+	baseGui = g
+	if err != nil {
+		log.Panicln(err)
+	}
+	defer g.Close()
+
+	g.Highlight = true
+	g.SelFgColor = gocui.ColorRed
+	g.SelFrameColor = gocui.ColorRed
+
+	g.SetManagerFunc(layout)
+
+	if err := initKeybindings(g); err != nil {
+		log.Panicln(err)
+	}
+	if err := newView(g); err != nil {
+		log.Panicln(err)
+	}
+
+	AddButton("hello")
+	AddButton("world")
+	AddButton("foo")
+
+	AddGroup("blank")
+	AddButton("bar")
+	AddButton("bar none")
+	AddButton("bar going")
+
+	AddGroup("te")
+	AddButton("world 2")
+	AddButton("foo 2")
+
+	if err := baseGui.MainLoop(); err != nil && !errors.Is(err, gocui.ErrQuit) {
+		log.Panicln(err)
+	}
+}
+
+func ToolkitMain() {
+	if err := baseGui.MainLoop(); err != nil && !errors.Is(err, gocui.ErrQuit) {
+		log.Panicln(err)
+	}
+}
+
+func layout(g *gocui.Gui) error {
+	var err error
+	maxX, _ := g.Size()
+	helpLabel, err = g.SetView("help", maxX-32, 0, maxX-1, 11, 0)
+	if err != nil {
+		if !errors.Is(err, gocui.ErrUnknownView) {
+			return err
+		}
+		fmt.Fprintln(helpLabel, "KEYBINDINGS")
+		fmt.Fprintln(helpLabel, "Enter: Click Button")
+		fmt.Fprintln(helpLabel, "Tab/Space: Switch Buttons")
+		fmt.Fprintln(helpLabel, "")
+		fmt.Fprintln(helpLabel, "h: Help")
+		fmt.Fprintln(helpLabel, "Backspace: Delete Button")
+		fmt.Fprintln(helpLabel, "Arrow keys: Move Button")
+		fmt.Fprintln(helpLabel, "t: Move Button to the top")
+		fmt.Fprintln(helpLabel, "b: Move Button to the button")
+		fmt.Fprintln(helpLabel, "Ctrl-C or Q: Exit")
+	}
+	return nil
+}
diff --git a/toolkit/gocui/newJ.go b/toolkit/gocui/newJ.go
new file mode 100644
index 0000000..47c7439
--- /dev/null
+++ b/toolkit/gocui/newJ.go
@@ -0,0 +1,46 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+var topX int = 2
+var bottomX int = 20
+var topY int = 2
+var bottomY int = 7
+
+func newJ(g *gocui.Gui) error {
+	// maxX, maxY := g.Size()
+	name := fmt.Sprintf("jcarr %v test ", idxView)
+	v, err := g.SetView(name, topX, topY, bottomX, bottomY, 0)
+	if err == nil {
+		return err
+	}
+	if !errors.Is(err, gocui.ErrUnknownView) {
+		return err
+	}
+
+	v.Wrap = true
+	fmt.Fprintln(v, name)
+	fmt.Fprintln(v, strings.Repeat("foo\n", 2))
+	// fmt.Fprintln(v, strings.Repeat(name+" ", 30))
+	log.Println("newJ added a new view", v.Name())
+
+	if _, err := g.SetCurrentView(name); err != nil {
+		return err
+	}
+
+	views = append(views, name)
+	curView = len(views) - 1
+	idxView += 1
+	return nil
+}
diff --git a/toolkit/gocui/mouse.go b/toolkit/gocui/orig/mouse.go
index 7c77b14..7c77b14 100644
--- a/toolkit/gocui/mouse.go
+++ b/toolkit/gocui/orig/mouse.go
diff --git a/toolkit/gocui/views.go b/toolkit/gocui/views.go
new file mode 100644
index 0000000..6c9c65d
--- /dev/null
+++ b/toolkit/gocui/views.go
@@ -0,0 +1,80 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+func newView(g *gocui.Gui) error {
+	maxX, maxY := g.Size()
+	name := fmt.Sprintf("v%v", idxView)
+	v, err := g.SetView(name, maxX/2-5, maxY/2-5, maxX/2+5, maxY/2+5, 0)
+	if err == nil {
+		return err
+	}
+	if !errors.Is(err, gocui.ErrUnknownView) {
+		return err
+	}
+
+	v.Wrap = true
+	fmt.Fprintln(v, strings.Repeat(name+" ", 30))
+
+	if _, err := g.SetCurrentView(name); err != nil {
+		return err
+	}
+
+	views = append(views, name)
+	curView = len(views) - 1
+	idxView += 1
+	return nil
+}
+
+func delView(g *gocui.Gui) error {
+	if len(views) <= 1 {
+		return nil
+	}
+
+	if err := g.DeleteView(views[curView]); err != nil {
+		return err
+	}
+	views = append(views[:curView], views[curView+1:]...)
+
+	return nextView(g, false)
+}
+
+func nextView(g *gocui.Gui, disableCurrent bool) error {
+	next := curView + 1
+	if next > len(views)-1 {
+		next = 0
+	}
+
+	if _, err := g.SetCurrentView(views[next]); err != nil {
+		return err
+	}
+
+	curView = next
+	return nil
+}
+
+func moveView(g *gocui.Gui, v *gocui.View, dx, dy int) error {
+	name := v.Name()
+	x0, y0, x1, y1, err := g.ViewPosition(name)
+	if err != nil {
+		return err
+	}
+	log.Println(x0, y0, x1, y1)
+	if _, err := g.SetView(name, x0+dx, y0+dy, x1+dx, y1+dy, 0); err != nil {
+		return err
+	}
+	x0, y0, x1, y1, err = g.ViewPosition(name)
+	log.Println(x0, y0, x1, y1)
+	return nil
+}