go-xkcdreader/xkcdreader/app.go

// Copyright 2022 wanderer <a_mirre at utb dot cz>
// SPDX-License-Identifier: GPL-3.0-or-later

package xkcdreader

import (
	"log"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/layout"
	"fyne.io/fyne/v2/theme"
	"fyne.io/fyne/v2/widget"
	"git.dotya.ml/wanderer/go-xkcdreader/cmd"
)

const appGreeting = "welcome to go-xkcdreader"

var a fyne.App

// RunApp performs sets up and runs the main application
func RunApp() {
	// initialize the fyne application
	newApp()

	goxkcdreader := getApp()
	w := goxkcdreader.NewWindow(cmd.GetAppName())

	centered := container.New(
		layout.NewHBoxLayout(),
		layout.NewSpacer(),
		makeGreeting(),
		layout.NewSpacer(),
	)

	w.SetContent(container.New(
		layout.NewVBoxLayout(),
		makeToolbar(),
		centered,
		makeTabs(),
	))

	w.Resize(fyne.NewSize(400, 400))
	w.ShowAndRun()
}

func newApp() {
	a = app.New()
	log.Println("Created a new fyne application")
}

func getApp() fyne.App {
	return a
}

// makeGreeting creates a greeting label
func makeGreeting() *widget.Label {
	w := widget.NewLabel(appGreeting)
	w.TextStyle.Monospace = true
	return w
}

func makeToolbar() *widget.Toolbar {
	toolbar := widget.NewToolbar(
		widget.NewToolbarSpacer(),
		widget.NewToolbarAction(theme.HelpIcon(), func() {
			log.Println("Display help")
		}),
		widget.NewToolbarAction(theme.SettingsIcon(), func() {
			log.Println("Display settings")
		}),
		widget.NewToolbarAction(theme.InfoIcon(), aboutWindow),
	)
	return toolbar
}

func makeTabs() *container.AppTabs {
	tabs := container.NewAppTabs(
		container.NewTabItem("xkcd comic", makeBrowseUI()),
		container.NewTabItem("what if?", widget.NewLabel("serious answers to absurd questions and absurd advice for common concerns from xkcd's Randall Munroe")),
		container.NewTabItemWithIcon("search", theme.SearchIcon(), makeSearchTab()),
	)
	return tabs
}

func makeBrowseUI() *fyne.Container {
	// container for the image and surrounding elements
	imgC := container.New(
		layout.NewHBoxLayout(),
		widget.NewButtonWithIcon("", theme.NavigateBackIcon(), func() {
			log.Println("Previous comic")
		}),
		layout.NewSpacer(),
		widget.NewLabel("img placeholder"),
		layout.NewSpacer(),
		widget.NewButtonWithIcon("", theme.NavigateNextIcon(), func() {
			log.Println("Next comic")
		}))

	browseTabLabel := "Latest comic..."
	browseUI := container.New(
		layout.NewVBoxLayout(),
		widget.NewLabel(browseTabLabel),
		layout.NewSpacer(),
		imgC,
	)

	return browseUI
}