fyne widget小部件2

form表单

package main

import (
	"log"

	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/widget"
)

func main() {
	myApp := app.New()
	myWindow := myApp.NewWindow("Form Widget")

	entry := widget.NewEntry()
	textArea := widget.NewMultiLineEntry()

	form := &widget.Form{
		Items: []*widget.FormItem{ // we can specify items in the constructor
			{Text: "Entry", Widget: entry}},
		OnSubmit: func() { // optional, handle form submission
			log.Println("Form submitted:", entry.Text)
			log.Println("multiline:", textArea.Text)
			myWindow.Close()
		},
	}

	// we can also append items
	form.Append("Text", textArea)

	myWindow.SetContent(form)
	myWindow.ShowAndRun()
}

progressbar进度条

package main

import (
	"time"

	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
)

func main() {
	myApp := app.New()
	myWindow := myApp.NewWindow("ProgressBar Widget")

	progress := widget.NewProgressBar()
	infinite := widget.NewProgressBarInfinite()

	go func() {
		for i := 0.0; i <= 1.0; i += 0.1 {
			time.Sleep(time.Millisecond * 250)
			progress.SetValue(i)
		}
	}()

	myWindow.SetContent(container.NewVBox(progress, infinite))
	myWindow.ShowAndRun()
}

toolbar工具类

package main

import (
	"log"

	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/theme"
	"fyne.io/fyne/v2/widget"
)

func main() {
	myApp := app.New()
	myWindow := myApp.NewWindow("Toolbar Widget")

	toolbar := widget.NewToolbar(
		widget.NewToolbarAction(theme.DocumentCreateIcon(), func() {
			log.Println("New document")
		}),
		widget.NewToolbarSeparator(),
		widget.NewToolbarAction(theme.ContentCutIcon(), func() {}),
		widget.NewToolbarAction(theme.ContentCopyIcon(), func() {}),
		widget.NewToolbarAction(theme.ContentPasteIcon(), func() {}),
		widget.NewToolbarSpacer(),
		widget.NewToolbarAction(theme.HelpIcon(), func() {
			log.Println("Display help")
		}),
	)

	content := container.NewBorder(toolbar, nil, nil, nil, widget.NewLabel("Content"))
	myWindow.SetContent(content)
	myWindow.ShowAndRun()
}

list列表

package main

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/widget"
)

var data = []string{"a", "string", "list"}

func main() {
	myApp := app.New()
	myWindow := myApp.NewWindow("List Widget")

	list := widget.NewList(
		func() int {
			return len(data)
		},
		func() fyne.CanvasObject {
			return widget.NewLabel("template")
		},
		func(i widget.ListItemID, o fyne.CanvasObject) {
			o.(*widget.Label).SetText(data[i])
		})

	myWindow.SetContent(list)
	myWindow.ShowAndRun()
}

table表格

package main

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/widget"
)

var data = [][]string{[]string{"top left", "top right"},
	[]string{"bottom center", "bottom center"}, []string{"bottom left", "bottom right"}}

func main() {
	myApp := app.New()
	myWindow := myApp.NewWindow("Table Widget")

	list := widget.NewTable(
		func() (int, int) {
			return len(data), len(data[0])
		},
		func() fyne.CanvasObject {
			return widget.NewLabel("wide content")
		},
		func(i widget.TableCellID, o fyne.CanvasObject) {
			o.(*widget.Label).SetText(data[i.Row][i.Col])
		})

	myWindow.SetContent(list)
	myWindow.ShowAndRun()
}