add semi-working gocuiv0.7.4

commit 947169df5a22c9f9b53f825764747f648c70ff1e
Author: Jeff Carr <[email protected]>
Date:   Wed Mar 29 22:44:08 2023 -0500

    ready for version v0.7.4

        start deprecating toolkit.Widget
        switch to variable name 'ParentId'
        use 'ActionType' and 'WidgetType'
        preliminary redraw()
        final definition of variables 'Name' and 'Text'
        more cleaning of the code
        remove lots of dumb code
        bind 'd' key press to dump out debugging info
        early color handling in gocui!

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

commit 6013fde8332e8ecbffaf1a0977ba2e1da8ea8775
Author: Jeff Carr <[email protected]>
Date:   Sun Mar 26 17:19:20 2023 -0500

    improvements towards a working dns control panel

        democui has the help menu
        try to add mouse support to gocui
        make a direct access method
        Margin() and Pad() tests
        add SPEW
        also push devel branch to github

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

commit 6f91f5e080e06cdc0f34b13d23e5fd16ea37259a
Author: Jeff Carr <[email protected]>
Date:   Fri Mar 24 20:14:18 2023 -0500

    starting to try safe chan and goroutines

        fix tab title's
        right before attempting to add chan goroutines
        removed "where" widget pointer
        box added to tab
        experiement with log as it's own repo

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

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

1 files changed, 127 insertions, 0 deletions

diff --git a/toolkit/democui/structs.go b/toolkit/democui/structs.go
new file mode 100644
index 0000000..37a8f28
--- /dev/null
+++ b/toolkit/democui/structs.go
@@ -0,0 +1,127 @@
+// LICENSE: same as the go language itself
+// Copyright 2023 WIT.COM
+
+// all structures and variables are local (aka lowercase)
+// since the plugin should be isolated to access only
+// by functions() to insure everything here is run
+// inside a dedicated goroutine
+
+package main
+
+import (
+	"fmt"
+	"sync"
+	"github.com/awesome-gocui/gocui"
+	"git.wit.org/wit/gui/toolkit"
+)
+
+// const delta = 1
+
+// It's probably a terrible idea to call this 'me'
+var me config
+
+type config struct {
+	highest	int // highest widgetId
+	baseGui *gocui.Gui // the main gocui handle
+	widgets map[int]*cuiWidget
+	callback func(int)
+	helpLabel *gocui.View
+
+	defaultBehavior bool
+	defaultWidth int
+	defaultHeight int
+	nextW int	// where the next window or tab flag should go
+
+	bookshelf bool // do you want things arranged in the box like a bookshelf or a stack?
+	canvas bool // if set to true, the windows are a raw canvas
+	menubar bool // for windows
+	stretchy bool // expand things like buttons to the maximum size
+	padded bool // add space between things like buttons
+	margin bool // add space around the frames of windows
+}
+
+/*
+// This is a map between the widgets in wit/gui and the internal structures of gocui
+var viewWidget map[*gocui.View]*toolkit.Widget
+var stringWidget map[string]*toolkit.Widget
+*/
+
+var (
+//	g *gocui.Gui
+//	Custom func(string)
+
+	initialMouseX, initialMouseY, xOffset, yOffset int
+	globalMouseDown, msgMouseDown, movingMsg bool
+
+//	err error
+)
+
+// the gocui way
+// the logical size of the widget
+// corner starts at in the upper left corner
+type rectType struct {
+	// this is the gocui way
+	w0, h0, w1, h1 int      // left top right bottom
+}
+
+/*
+type realSizeT struct {
+	width, height int
+}
+*/
+
+
+type cuiWidget struct {
+	id int	// widget ID
+	parentId int
+	widgetType   toolkit.WidgetType
+
+	name   string // a descriptive name of the widget
+	text   string // the current text being displayed
+
+	visable bool // widget types like 'box' are 'false'
+	realWidth int // the real width
+	realHeight int // the real height
+	realSize rectType  // the display size of this widget
+	logicalSize rectType  // the logical size. Includes all the child widgets
+
+	nextX	int
+	nextY	int
+
+	// horizontal=true  means layout widgets like books on a bookshelf
+	// horizontal=false means layout widgets like books in a stack
+	horizontal bool `default:false`
+
+	tainted bool
+	v *gocui.View
+	baseGui *gocui.Gui // use gogui.Manager ? as 'workspaces?'
+
+	// writeMutex protects locks the write process
+	writeMutex sync.Mutex
+
+	// deprecate
+	// logicalWidth int  `default:8`
+	// logicalHeight int  `default:2`
+	// rect   rectType
+	// current rectType // the logical size. Includes all the child widgets
+	// width  int
+	// height int
+}
+
+// from the gocui devs:
+// Write appends a byte slice into the view's internal buffer. Because
+// View implements the io.Writer interface, it can be passed as parameter
+// of functions like fmt.Fprintf, fmt.Fprintln, io.Copy, etc. Clear must
+// be called to clear the view's buffer.
+
+func (w *cuiWidget) Write(p []byte) (n int, err error) {
+	w.tainted = true
+	w.writeMutex.Lock()
+	defer w.writeMutex.Unlock()
+	// v.makeWriteable(v.wx, v.wy)
+	// v.writeRunes(bytes.Runes(p))
+	fmt.Fprintln(w.v, p)
+	log(logNow, "widget.Write()")
+
+	return len(p), nil
+}