[windows] ignore mouse events

v3/examples/window/main.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"math/rand"
+	"os"
 	"runtime"
 	"strconv"
 	"time"
@@ -100,6 +101,21 @@ func main() {
 			}).Show()
 			windowCounter++
 		})
+	myMenu.Add("New WebviewWindow (ignores mouse events").
+		SetAccelerator("CmdOrCtrl+F").
+		OnClick(func(ctx *application.Context) {
+			app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
+				HTML:              "<div style='width: 100%; height: 95%; border: 3px solid red; background-color: \"0000\";'></div>",
+				X:                 rand.Intn(1000),
+				Y:                 rand.Intn(800),
+				IgnoreMouseEvents: true,
+				BackgroundType:    application.BackgroundTypeTransparent,
+				Mac: application.MacWindow{
+					InvisibleTitleBarHeight: 50,
+				},
+			}).Show()
+			windowCounter++
+		})
 	if runtime.GOOS == "darwin" {
 		myMenu.Add("New WebviewWindow (MacTitleBarHiddenInset)").
 			OnClick(func(ctx *application.Context) {
@@ -384,6 +400,16 @@ func main() {
 			_ = w.Print()
 		})
 	})
+	printMenu.Add("Capture PNG").OnClick(func(ctx *application.Context) {
+		currentWindow(func(w *application.WebviewWindow) {
+			img, err := w.CapturePNG()
+			if err != nil {
+				application.ErrorDialog().SetTitle("Error").SetMessage(err.Error()).Show()
+				return
+			}
+			os.WriteFile("capture.png", img, 0644)
+		})
+	})
 
 	app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
 		BackgroundColour: application.NewRGB(33, 37, 41),

v3/pkg/application/options_webview_window.go

@@ -115,6 +115,9 @@ type WebviewWindowOptions struct {
 
 	// KeyBindings is a map of key bindings to functions
 	KeyBindings map[string]func(window *WebviewWindow)
+
+	// IgnoreMouseEvents will ignore mouse events in the window
+	IgnoreMouseEvents bool
 }
 
 var WebviewWindowDefaults = &WebviewWindowOptions{

v3/pkg/application/webview_window_windows.go

@@ -179,6 +179,9 @@ func (w *windowsWebviewWindow) run() {
 	exStyle = w32.WS_EX_CONTROLPARENT
 	if options.BackgroundType != BackgroundTypeSolid {
 		exStyle |= w32.WS_EX_NOREDIRECTIONBITMAP
+		if w.parent.options.IgnoreMouseEvents {
+			exStyle |= w32.WS_EX_TRANSPARENT | w32.WS_EX_LAYERED
+		}
 	}
 	if options.AlwaysOnTop {
 		exStyle |= w32.WS_EX_TOPMOST