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// 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"
)
// It's probably a terrible idea to call this 'me'
var me config
type config struct {
baseGui *gocui.Gui // the main gocui handle
rootNode *cuiWidget // the base of the binary tree. it should have id == 0
ctrlDown *cuiWidget // shown if you click the mouse when the ctrl key is pressed
callback func(int)
helpLabel *gocui.View
defaultBehavior bool
defaultWidth int
defaultHeight int
// nextW int // where the next window or tab flag should go
padW int
padH int
// where the raw corner is
rawW int
rawH int
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
horizontalPadding int
groupPadding int
buttonPadding int
}
var (
initialMouseX, initialMouseY, xOffset, yOffset int
globalMouseDown, msgMouseDown, movingMsg bool
)
// the gocui way
// the logical size of the widget
// corner starts at in the upper left corner
type rectType struct {
// where the widget should calculate it's existance from
startW int
startH int
// the actual size
width int
height int
// this is the gocui way
w0, h0, w1, h1 int // left top right bottom
}
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
cuiName string // what gocui uses to reference the widget
vals []string // dropdown menu options
// visable bool // track if it's currently supposed to be shown
isFake bool // widget types like 'box' are 'false'
// where the widget should add children
startW int
startH int
// the widget size to reserve or things will overlap
realWidth int
realHeight int
gocuiSize rectType // the display size of this widget
// logicalSize rectType // the logical size. Includes all the child widgets
// used to track the size of grids
widths map[int]int // how tall each row in the grid is
heights map[int]int // how wide each column in the grid is
// deprecate // where in the parent grid this widget should go
parentW int
parentH int
// deprecate
nextW int
nextH int
// things from toolkit/action
b bool
i int
s string
x int
y int
width int
height 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
// writeMutex protects locks the write process
writeMutex sync.Mutex
parent *cuiWidget
children []*cuiWidget
}
// 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()
if (w.v == nil) {
return
}
w.v.Clear()
fmt.Fprintln(w.v, p)
log(logNow, "widget.Write()", p)
return len(p), nil
}
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