gocui: working towards correct layout

    make a gocui widget binary tree
    more debugging cleanups
    sample button app displays in gocui
    geometry logic closer to correct
    improvements in gocui layout
    continued attempts to clean up tabs
    dump binary tree
    moving towards proper chan callback()
    deprecate Widget.Name

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

1 files changed, 49 insertions, 0 deletions

diff --git a/toolkit/gocui/help.go b/toolkit/gocui/help.go
new file mode 100644
index 0000000..8796ad6
--- /dev/null
+++ b/toolkit/gocui/help.go
@@ -0,0 +1,49 @@
+// 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"
+
+	"github.com/awesome-gocui/gocui"
+)
+
+func addHelp() {
+	me.baseGui.SetManagerFunc(helplayout)
+}
+
+func helplayout(g *gocui.Gui) error {
+	var err error
+	maxX, _ := g.Size()
+
+	help, err := g.SetView("help", maxX-32, 0, maxX-1, 17, 0)
+	if err != nil {
+		if !errors.Is(err, gocui.ErrUnknownView) {
+			return err
+		}
+		help.SelBgColor = gocui.ColorGreen
+		help.SelFgColor = gocui.ColorBlack
+		fmt.Fprintln(help, "KEYBINDINGS")
+		fmt.Fprintln(help, "Enter: Click Button")
+		fmt.Fprintln(help, "Tab/Space: Switch Buttons")
+		fmt.Fprintln(help, "")
+		fmt.Fprintln(help, "h: Help")
+		fmt.Fprintln(help, "Backspace: Delete Button")
+		fmt.Fprintln(help, "Arrow keys: Move Button")
+		fmt.Fprintln(help, "t: Move Button to the top")
+		fmt.Fprintln(help, "b: Move Button to the button")
+		fmt.Fprintln(help, "h: hide buttons")
+		fmt.Fprintln(help, "s: show buttons")
+		fmt.Fprintln(help, "p: panic()")
+		fmt.Fprintln(help, "STDOUT: /tmp/witgui.log")
+		fmt.Fprintln(help, "Ctrl-C or Q: Exit")
+		if _, err := g.SetCurrentView("help"); err != nil {
+			return err
+		}
+	}
+	me.helpLabel = help
+	return nil
+}