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package main
import (
"fmt"
"errors"
"strconv"
"bufio"
"strings"
"github.com/awesome-gocui/gocui"
"git.wit.org/wit/gui/toolkit"
)
func splitLines(s string) []string {
var lines []string
sc := bufio.NewScanner(strings.NewReader(s))
for sc.Scan() {
lines = append(lines, sc.Text())
}
return lines
}
func (n *node) textResize() {
w := n.tk
var width, height int
for i, s := range splitLines(n.Text) {
log(logNow, "textResize() len =", len(s), i, s)
if (width < len(s)) {
width = len(s)
}
height = i
}
w.gocuiSize.w1 = w.gocuiSize.w0 + width + me.FramePadW
w.gocuiSize.h1 = w.gocuiSize.h0 + height + me.FramePadH
n.showWidgetPlacement(logNow, "textResize()")
}
func (n *node) hideView() {
n.SetVisible(false)
}
// display's the text of the widget in gocui
// will create a new gocui view if there isn't one or if it has been moved
func (n *node) showView() {
var err error
w := n.tk
if (w.cuiName == "") {
log(logError, "showView() w.cuiName was not set for widget", w)
w.cuiName = strconv.Itoa(n.WidgetId)
}
// if the gocui element doesn't exist, create it
if (w.v == nil) {
n.recreateView()
}
x0, y0, x1, y1, err := me.baseGui.ViewPosition(w.cuiName)
log(logInfo, "showView() w.v already defined for widget", n.Name, err)
// if the gocui element has changed where it is supposed to be on the screen
// recreate it
if (x0 != w.gocuiSize.w0) || (y0 != w.gocuiSize.h0) {
log(logError, "showView() w.v.w0 != x0", n.Name, w.gocuiSize.w0, x0)
log(logError, "showView() w.v.h0 != y0", n.Name, w.gocuiSize.h0, y0)
n.recreateView()
return
}
if (x1 != w.gocuiSize.w1) || (y1 != w.gocuiSize.h1) {
log(logError, "showView() w.v.w1 != x1", n.Name, w.gocuiSize.w1, x1)
log(logError, "showView() w.v.h1 != y1", n.Name, w.gocuiSize.h1, y1)
n.recreateView()
return
}
n.SetVisible(true)
}
// create or recreate the gocui widget visible
// deletes the old view if it exists and recreates it
func (n *node) recreateView() {
var err error
w := n.tk
if (me.baseGui == nil) {
log(logError, "showView() ERROR: me.baseGui == nil", w)
return
}
me.baseGui.DeleteView(w.cuiName)
w.v = nil
a := w.gocuiSize.w0
b := w.gocuiSize.h0
c := w.gocuiSize.w1
d := w.gocuiSize.h1
w.v, err = me.baseGui.SetView(w.cuiName, a, b, c, d, 0)
if err == nil {
n.showWidgetPlacement(logError, "drawView()")
log(logError, "drawView() internal plugin error err = nil")
return
}
if !errors.Is(err, gocui.ErrUnknownView) {
n.showWidgetPlacement(logError, "drawView()")
log(logError, "drawView() internal plugin error error.IS()", err)
return
}
me.baseGui.SetKeybinding(w.v.Name(), gocui.MouseLeft, gocui.ModNone, click)
w.v.Wrap = true
w.v.Frame = w.frame
w.v.Clear()
fmt.Fprint(w.v, n.Text)
n.showWidgetPlacement(logNow, "Window: " + n.Text)
// if you don't do this here, it will be black & white only
if (w.color != nil) {
w.v.FrameColor = w.color.frame
w.v.FgColor = w.color.fg
w.v.BgColor = w.color.bg
w.v.SelFgColor = w.color.selFg
w.v.SelBgColor = w.color.selBg
}
}
func (n *node) hideWidgets() {
w := n.tk
w.isCurrent = false
switch n.WidgetType {
case toolkit.Root:
case toolkit.Flag:
case toolkit.Window:
case toolkit.Box:
case toolkit.Grid:
default:
n.hideView()
}
for _, child := range n.children {
child.hideWidgets()
}
}
func (n *node) hideFake() {
w := n.tk
if (w.isFake) {
n.hideView()
}
for _, child := range n.children {
child.hideFake()
}
}
func (n *node) showFake() {
w := n.tk
if (w.isFake) {
n.setFake()
n.showWidgetPlacement(logNow, "showFake:")
n.showView()
}
for _, child := range n.children {
child.showFake()
}
}
func (n *node) showWidgets() {
w := n.tk
if (w.isFake) {
// don't display by default
} else {
// if n.IsCurrent() {
n.showWidgetPlacement(logInfo, "current:")
n.showView()
// } else {
// n.showWidgetPlacement(logInfo, "not:")
// w.drawView()
// }
}
for _, child := range n.children {
child.showWidgets()
}
}
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