Rework default dimensions for DPI Awareness on windows

internal/settings/dimensions_darwin.go

@@ -0,0 +1,5 @@
+package settings
+
+func GetAppDefaultDimensions() (int, int) {
+	return 480, 400
+}

internal/settings/dimensions_windows.go

@@ -0,0 +1,42 @@
+package settings
+
+import (
+	"syscall"
+)
+
+var (
+	user32           = syscall.NewLazyDLL("User32.dll")
+	getSystemMetrics = user32.NewProc("GetSystemMetrics")
+	getDpiForSystem  = user32.NewProc("GetDpiForSystem")
+)
+
+func GetSystemMetrics(nIndex int) int {
+	index := uintptr(nIndex)
+	ret, _, _ := getSystemMetrics.Call(index)
+	return int(ret)
+}
+
+func GetDpiForSystem() int {
+	ret, _, _ := getDpiForSystem.Call()
+	return int(ret)
+}
+
+const (
+	SM_CXSCREEN = 0
+	SM_CYSCREEN = 1
+)
+
+func GetResolution() (int, int) {
+	return GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN)
+}
+
+func GetAppDefaultDimensions() (int, int) {
+	w := 528.0
+	h := 440.0
+	baseDpi := 96.0
+	currentDpi := float64(GetDpiForSystem())
+	scalingFactor := currentDpi / baseDpi
+	w2 := int(w * scalingFactor)
+	h2 := int(h * scalingFactor)
+	return w2, h2
+}

main.go

@@ -6,7 +6,6 @@ import (
 	"log"
 	"os"
 	"path/filepath"
-	goruntime "runtime"
 
 	"github.com/wailsapp/wails/v2/pkg/options/mac"
 
@@ -47,7 +46,7 @@ func main() {
 	// Create an instance of the app structure
 	app := NewApp(loggerPath)
 
-	width, height := GetAppDefaultDimensions()
+	width, height := settings.GetAppDefaultDimensions()
 	// Create application with options
 	err := wails.Run(&options.App{
 		Title:             "RiftShare",
@@ -96,13 +95,3 @@ func main() {
 	}
 }
 
-func GetAppDefaultDimensions() (int, int) {
-	switch goruntime.GOOS {
-	case "windows":
-		return 660, 550
-	case "darwin":
-		return 480, 400
-	default:
-		return 480, 400
-	}
-}