Get and set saved window size

app/config.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/safing/portbase/api/client"
+	"github.com/safing/portbase/formats/dsd"
+)
+
+var (
+	apiClient = client.NewClient("127.0.0.1:817")
+	initAPI   sync.Once
+)
+
+type WindowConfig struct {
+	Height int
+	Width  int
+}
+
+func getWindowConfig() (*WindowConfig, error) {
+	window := &WindowConfig{}
+	return window, getRecord(window)
+}
+
+func getRecord(dataStruct interface{}) error {
+	initAPI.Do(connectToAPI)
+
+	errs := make(chan error)
+	apiClient.Get("core:ui/app/window", parseDataFn(dataStruct, errs))
+
+	select {
+	case err := <-errs:
+		if err != nil {
+			return err
+		}
+		return nil
+	case <-time.After(5 * time.Second):
+		return errors.New("request timed out")
+	}
+}
+
+func connectToAPI() {
+	go apiClient.StayConnected()
+}
+
+func parseDataFn(dataStruct interface{}, errs chan error) func(*client.Message) {
+	return func(m *client.Message) {
+		switch m.Type {
+		case client.MsgOk, client.MsgUpdate, client.MsgNew:
+			_, err := dsd.Load(m.RawValue, dataStruct)
+			if err != nil {
+				errs <- fmt.Errorf("failed to parse message: %s", err)
+			} else {
+				close(errs)
+			}
+		default:
+			errs <- fmt.Errorf("received unexpected reply: %s %s", m.Type, m.Value)
+		}
+	}
+}

app/main.go

@@ -115,6 +115,19 @@ func main() {
 		// handle invokes
 		ExternalInvokeCallback: handleExternalInvokeCallback,
 	}
+
+	wCfg, err := getWindowConfig()
+	if err != nil {
+		log.Warningf("failed to get window config: %s", err)
+	} else if wCfg != nil {
+		if wCfg.Height > 0 {
+			settings.Height = wCfg.Height
+		}
+		if wCfg.Width > 0 {
+			settings.Width = wCfg.Width
+		}
+	}
+
 	wv := webview.New(settings)
 
 	// register helper to open links in default browser
@@ -127,7 +140,7 @@ func main() {
 	go shutdownHandler(wv)
 
 	// render
-	wv.SetColor(68, 68, 68, 1)
+	// wv.SetColor(68, 68, 68, 1)
 	wv.Run()
 }