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main.go
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main.go
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package main
import (
"flag"
"fmt"
"log"
"os"
"runtime"
"time"
"github.com/dweymouth/supersonic/backend"
"github.com/dweymouth/supersonic/res"
"github.com/dweymouth/supersonic/ui"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/app"
)
func main() {
// parse cmd line flags - see backend/cmdlineoptions.go
flag.Parse()
if *backend.FlagVersion {
fmt.Println(res.AppVersion)
return
}
if *backend.FlagHelp {
flag.Usage()
return
}
// rest of flag actions are handled in backend.StartupApp
myApp, err := backend.StartupApp(res.AppName, res.DisplayName, res.AppVersionTag, res.LatestReleaseURL)
if err != nil {
if err != backend.ErrAnotherInstance {
log.Fatalf("fatal startup error: %v", err.Error())
}
return
}
if myApp.Config.Application.UIScaleSize == "Smaller" {
os.Setenv("FYNE_SCALE", "0.85")
} else if myApp.Config.Application.UIScaleSize == "Larger" {
os.Setenv("FYNE_SCALE", "1.1")
}
fyneApp := app.New()
fyneApp.SetIcon(res.ResAppicon256Png)
mainWindow := ui.NewMainWindow(fyneApp, res.AppName, res.DisplayName, res.AppVersion, myApp)
myApp.OnReactivate = mainWindow.Show
myApp.OnExit = mainWindow.Quit
go func() {
defaultServer := myApp.ServerManager.GetDefaultServer()
if defaultServer == nil {
mainWindow.Controller.PromptForFirstServer()
} else {
mainWindow.Controller.DoConnectToServerWorkflow(defaultServer)
}
// hacky workaround for https://github.com/fyne-io/fyne/issues/4964
if runtime.GOOS == "linux" {
time.Sleep(350 * time.Millisecond)
canvas := mainWindow.Window.Canvas()
size := canvas.Size()
desired := mainWindow.DesiredSize()
if !inDelta(size, desired, 1) {
// window drawn at incorrect size on startup
scale := canvas.Scale()
SendResizeToPID(os.Getpid(), int(desired.Width*scale), int(desired.Height*scale))
}
}
}()
mainWindow.Show()
mainWindow.Window.SetCloseIntercept(func() {
mainWindow.SaveWindowSize()
if myApp.Config.Application.CloseToSystemTray &&
mainWindow.HaveSystemTray() {
mainWindow.Window.Hide()
} else {
fyneApp.Quit()
}
})
fyneApp.Run()
log.Println("Running shutdown tasks...")
myApp.Shutdown()
}
func inDelta(a, b fyne.Size, delta float32) bool {
diffW := a.Width - b.Width
diffH := a.Height - b.Height
return diffW < delta && diffW > -delta &&
diffH < delta && diffH > -delta
}