add new programName option to linux options (#2817)

* add new programName option to linux options

* modify changelog

* free program name string

v2/internal/frontend/desktop/linux/frontend.go

@@ -190,6 +190,12 @@ func NewFrontend(ctx context.Context, appoptions *options.App, myLogger *logger.
 
 	C.install_signal_handlers()
 
+	if appoptions.Linux != nil && appoptions.Linux.ProgramName != "" {
+		prgname := C.CString(appoptions.Linux.ProgramName)
+		C.g_set_prgname(prgname)
+		C.free(unsafe.Pointer(prgname))
+	}
+
 	return result
 }
 

v2/pkg/options/linux/linux.go

@@ -29,6 +29,15 @@ type Options struct {
 	//   - WebviewGpuPolicyOnDemand
 	//   - WebviewGpuPolicyNever
 	WebviewGpuPolicy WebviewGpuPolicy
+
+	// ProgramName is used to set the program's name for the window manager via GTK's g_set_prgname().
+	//This name should not be localized. [see the docs]
+	//
+	//When a .desktop file is created this value helps with window grouping and desktop icons when the .desktop file's Name
+	//property differs form the executable's filename.
+	//
+	//[see the docs]: https://docs.gtk.org/glib/func.set_prgname.html
+	ProgramName string
 }
 
 type Messages struct {

website/docs/reference/options.mdx

@@ -106,6 +106,7 @@ func main() {
             Icon: icon,
             WindowIsTranslucent: false,
             WebviewGpuPolicy: linux.WebviewGpuPolicyAlways,
+            ProgramName: "wails"
         },
         Debug: options.Debug{
             OpenInspectorOnStartup: false,
@@ -898,6 +899,17 @@ Default: `WebviewGpuPolicyAlways`
 | WebviewGpuPolicyOnDemand | Hardware acceleration is enabled/disabled as request by web contents|
 | WebviewGpuPolicyNever    | Hardware acceleration is always disabled |
 
+#### ProgramName
+
+This option is used to set the program's name for the window manager via GTK's g_set_prgname().
+This name should not be localized, [see the docs](https://docs.gtk.org/glib/func.set_prgname.html).
+
+When a .desktop file is created this value helps with window grouping and desktop icons when the .desktop file's `Name`
+property differs form the executable's filename.
+
+Name: ProgramName<br/>
+Type: string<br/>
+
 ### Debug
 
 This defines [Debug specific options](#Debug) that apply to debug builds.

website/src/pages/changelog.mdx

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added smart functionality for the default context-menu in production with CSS styles to control it. Added by @mmghv in [PR](https://github.com/wailsapp/wails/pull/2748)
 - Added custom error formatting to allow passing structured errors back to the frontend.
 - Added sveltekit.mdx guide. Added by @figuerom16 in [PR](https://github.com/wailsapp/wails/pull/2771)
+- Added ProgramName option to [linux.Options](/docs/reference/options#linux). Added by @lyimmi in [PR](https://github.com/wailsapp/wails/pull/2817)
 
 ### Changed