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2c9d23b040fix(macos): fix print dialog not opening and add Window.Print() to runtime (#4290) The print dialog was not opening on macOS because the CGO windowPrint function was passing the wrong pointer type to NSPrintOperation's runOperationModalForWindow method. It was passing the raw void* window instead of the properly cast WebviewWindow* nsWindow. This also adds a Window.Print() method to the JavaScript runtime, allowing frontend code to trigger the print dialog directly without needing a Go binding. Changes: - Fix webview_window_darwin.go to use nsWindow instead of window - Add WindowPrint constant (51) and handler to messageprocessor_window.go - Add Print() method to window.ts in the runtime - Rebuild bundled runtime (runtime.js and runtime.debug.js) - Add print example in v3/examples/print to demonstrate both Go API and JS runtime methods - Update API documentation for Window.Print() in both Go and JavaScript references 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude <noreply@anthropic.com>
90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
//go:build darwin
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package main
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import (
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"embed"
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"log"
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"runtime"
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"github.com/wailsapp/wails/v3/pkg/application"
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)
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//go:embed assets/*
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var assets embed.FS
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// PrintService provides print functionality to the frontend
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type PrintService struct {
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app *application.App
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}
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func (p *PrintService) Print() error {
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if w := p.app.Window.Current(); w != nil {
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log.Println("PrintService.Print() called")
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return w.Print()
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}
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return nil
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}
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func main() {
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// Only run on macOS
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if runtime.GOOS != "darwin" {
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log.Fatal("This test is only for macOS")
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}
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printService := &PrintService{}
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app := application.New(application.Options{
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Name: "Print Dialog Test",
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Description: "Test for macOS print dialog (Issue #4290)",
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Assets: application.AssetOptions{
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Handler: application.BundledAssetFileServer(assets),
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},
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Services: []application.Service{
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application.NewService(printService),
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},
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})
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printService.app = app
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// Create application menu
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menu := app.NewMenu()
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// File menu
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fileMenu := menu.AddSubmenu("File")
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fileMenu.Add("Print...").
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SetAccelerator("CmdOrCtrl+P").
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OnClick(func(ctx *application.Context) {
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if w := app.Window.Current(); w != nil {
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log.Println("Attempting to print...")
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if err := w.Print(); err != nil {
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log.Printf("Print error: %v", err)
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} else {
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log.Println("Print completed (or dialog dismissed)")
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}
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}
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})
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fileMenu.AddSeparator()
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fileMenu.Add("Quit").
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SetAccelerator("CmdOrCtrl+Q").
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OnClick(func(ctx *application.Context) {
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app.Quit()
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})
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app.Menu.Set(menu)
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// Create main window
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app.Window.NewWithOptions(application.WebviewWindowOptions{
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Title: "Print Dialog Test - Issue #4290",
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Width: 800,
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Height: 600,
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URL: "/index.html",
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})
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log.Println("Starting application. Use File > Print or Cmd+P to test print dialog.")
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err := app.Run()
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if err != nil {
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log.Fatal(err)
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}
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}
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