[v3 mac] Update api. New template icon.

v3/examples/systray/main.go

@@ -30,7 +30,7 @@ func main() {
 
 	systemTray := app.NewSystemTray()
 	if runtime.GOOS == "darwin" {
-		systemTray.SetIcon(icons.SystrayMacTemplate)
+		systemTray.SetTemplateIcon(icons.SystrayMacTemplate)
 	}
 
 	myMenu := app.NewMenu()

v3/internal/commands/icons.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"fmt"
 	"image"
+	"image/color"
+	"image/png"
 	"os"
 	"strconv"
 	"strings"
@@ -124,3 +126,39 @@ func generateWindowsIcon(iconData []byte, sizes []int, options *IconsOptions) er
 	}
 	return nil
 }
+
+func GenerateTemplateIcon(data []byte, outputFilename string) error {
+	// Decode the input file as a PNG
+	buffer := bytes.NewBuffer(data)
+	img, err := png.Decode(buffer)
+	if err != nil {
+		return fmt.Errorf("failed to decode input file as PNG: %w", err)
+	}
+
+	// Create a new image with the same dimensions and RGBA color model
+	bounds := img.Bounds()
+	iconImg := image.NewRGBA(bounds)
+
+	// Iterate over each pixel of the input image
+	for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
+		for x := bounds.Min.X; x < bounds.Max.X; x++ {
+			// Get the alpha of the pixel
+			_, _, _, a := img.At(x, y).RGBA()
+			iconImg.SetRGBA(x, y, color.RGBA{R: 0, G: 0, B: 0, A: uint8(a)})
+		}
+	}
+
+	// Create the output file
+	outFile, err := os.Create(outputFilename)
+	if err != nil {
+		return fmt.Errorf("failed to create output file: %w", err)
+	}
+	defer outFile.Close()
+
+	// Encode the template icon image as a PNG and write it to the output file
+	if err := png.Encode(outFile, iconImg); err != nil {
+		return fmt.Errorf("failed to encode output image as PNG: %w", err)
+	}
+
+	return nil
+}

v3/pkg/application/systemtray_darwin.go

@@ -91,6 +91,10 @@ type macosSystemTray struct {
 	isTemplateIcon bool
 }
 
+func (s *macosSystemTray) setDarkModeIcon(icon []byte) {
+	// Is this even possible?
+}
+
 func (s *macosSystemTray) setIconPosition(position int) {
 	s.iconPosition = position
 }

v3/pkg/application/webview_window_darwin.go

@@ -808,6 +808,10 @@ type macosWebviewWindow struct {
 	parent   *WebviewWindow
 }
 
+func (w *macosWebviewWindow) focus() {
+	//TODO implement me
+}
+
 func (w *macosWebviewWindow) openContextMenu(menu *Menu, data *ContextMenuData) {
 	// Create the menu
 	thisMenu := newMenuImpl(menu)