feat: add about dialog in tray (#28)

* feat: add about dialog in tray

* feat: set fixed size of main windows (disable resizing)

.goreleaser.yaml

@@ -20,7 +20,7 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{ .CommitDate }} -X main.builtBy=goreleaser
+      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.commitDate={{.CommitDate}}
 # Enable macOS "Universal Binaries" (amd64 + arm binaries)
 universal_binaries:
   - replace: true

main.go

@@ -5,10 +5,18 @@ import (
 	"github.com/tomsquest/fynodoro/ui"
 )
 
+// Variables set by goreleaser
+// We need to put them in a Struct to be able to access them in the UI
+var (
+	version    string
+	commit     string
+	commitDate string
+)
+
 func main() {
 	myApp := app.NewWithID("com.tomsquest.fynodoro")
 	myApp.Settings().SetTheme(&ui.Theme{})
 	myApp.SetIcon(ui.AssetIconPng)
 
-	ui.Display(myApp)
+	ui.Display(myApp, ui.BuildInfo{version, commit, commitDate})
 }

ui/ui.go

@@ -13,7 +13,13 @@ import (
 	"time"
 )
 
-func Display(app fyne.App) {
+type BuildInfo struct {
+	Version    string
+	Commit     string
+	CommitDate string
+}
+
+func Display(app fyne.App, buildInfo BuildInfo) {
 	myPref := pref.Load()
 	myPomodoro := pomodoro.NewPomodoro(&pomodoro.Params{
 		WorkDuration:       time.Duration(myPref.WorkDuration) * time.Minute,
@@ -23,21 +29,51 @@ func Display(app fyne.App) {
 	})
 
 	mainWindow := app.NewWindow("Fynodoro")
+	mainWindow.SetMaster()
+	mainWindow.SetContent(MakeClassicLayout(myPomodoro))
+	mainWindow.SetCloseIntercept(mainWindow.Hide)
+	mainWindow.SetFixedSize(true)
+
 	if desk, ok := app.(desktop.App); ok {
-		trayMenu := fyne.NewMenu(app.Metadata().Name,
+		aboutWindow := makeAboutWindow(app, buildInfo)
+		trayMenu := fyne.NewMenu("Fynodoro",
 			fyne.NewMenuItem("Show", mainWindow.Show),
 			fyne.NewMenuItem("Hide", mainWindow.Hide),
-			fyne.NewMenuItem("Center", mainWindow.CenterOnScreen))
+			fyne.NewMenuItem("Center", mainWindow.CenterOnScreen),
+			fyne.NewMenuItem("About", aboutWindow.Show))
 		desk.SetSystemTrayMenu(trayMenu)
 	}
-	mainWindow.SetMaster()
-	mainWindow.SetContent(MakeClassicLayout(myPomodoro))
-	mainWindow.SetCloseIntercept(func() {
-		mainWindow.Hide()
-	})
 	mainWindow.ShowAndRun()
 }
 
+func makeAboutWindow(app fyne.App, buildInfo BuildInfo) fyne.Window {
+	aboutWindow := app.NewWindow("About Fynodoro")
+	aboutWindow.SetFixedSize(true)
+
+	img := canvas.NewImageFromResource(AssetIconPng)
+	img.SetMinSize(fyne.NewSquareSize(64))
+	imgContainer := container.NewHBox(img, layout.NewSpacer())
+
+	markdownStr := "# Fynodoro" + "\n"
+	markdownStr += "" + "\n"
+	markdownStr += "Fynodoro is a tiny and cute **Pomodoro** Widget" + "\n"
+	markdownStr += "" + "\n"
+	markdownStr += "- `Version:     " + buildInfo.Version + "`" + "\n"
+	markdownStr += "- `Commit date: " + buildInfo.CommitDate + " `" + "\n"
+	markdownStr += "- `Commit:      " + buildInfo.Commit + "`" + "\n"
+	markdown := widget.NewRichTextFromMarkdown(markdownStr)
+
+	closeButton := &widget.Button{
+		Text:     "Close",
+		OnTapped: aboutWindow.Hide,
+	}
+	buttonsContainer := container.NewHBox(layout.NewSpacer(), closeButton)
+
+	aboutWindow.SetContent(container.NewVBox(imgContainer, markdown, layout.NewSpacer(), buttonsContainer))
+
+	return aboutWindow
+}
+
 func MakeClassicLayout(myPomodoro *pomodoro.Pomodoro) fyne.CanvasObject {
 	timer := canvas.NewText(formatDuration(myPomodoro.RemainingTime), nil)
 	timer.TextSize = 42