Support Activation Policy

v2/internal/ffenestri/ffenestri_darwin.c

@@ -79,6 +79,7 @@ struct Application {
 	id mouseEvent;
 	id mouseDownMonitor;
 	id mouseUpMonitor;
+	int activationPolicy;
 
 	// Window Data
 	const char *title;
@@ -253,7 +254,7 @@ void Hide(struct Application *app) {
     if( app->shuttingDown ) return;
 
 	ON_MAIN_THREAD(
-		msg(app->application, s("hide:"))
+		msg(app->application, s("hide:"));
 	);
 }
 
@@ -1112,7 +1113,7 @@ void processDecorations(struct Application *app) {
 void createApplication(struct Application *app) {
 	id application = msg(c("NSApplication"), s("sharedApplication"));
 	app->application = application;
-	msg(application, s("setActivationPolicy:"), 0);
+	msg(application, s("setActivationPolicy:"), app->activationPolicy);
 }
 
 void DarkModeEnabled(struct Application *app, const char *callbackID) {
@@ -1812,6 +1813,10 @@ void Run(struct Application *app, int argc, char **argv) {
 	MEMFREE(internalCode);
 }
 
+void SetActivationPolicy(struct Application* app, int policy) {
+    app->activationPolicy = policy;
+}
+
 // Quit will stop the cocoa application and free up all the memory
 // used by the application
 void Quit(struct Application *app) {
@@ -1883,6 +1888,8 @@ void* NewApplication(const char *title, int width, int height, int resizable, in
 
 	result->shuttingDown = false;
 
+	result->activationPolicy = NSApplicationActivationPolicyRegular;
+
     return (void*) result;
 }
 

v2/internal/ffenestri/ffenestri_darwin.go

@@ -48,6 +48,9 @@ func (a *Application) processPlatformSettings() error {
 		C.SetAppearance(a.app, a.string2CString(string(mac.Appearance)))
 	}
 
+	// Set activation policy
+	C.SetActivationPolicy(a.app, C.int(mac.ActivationPolicy))
+
 	// Check if the webview should be transparent
 	if mac.WebviewIsTransparent {
 		C.WebviewIsTransparent(a.app)

v2/internal/ffenestri/ffenestri_darwin.h

@@ -66,6 +66,10 @@
 #define NSControlStateValueOff 0
 #define NSControlStateValueOn 1
 
+#define NSApplicationActivationPolicyRegular    0
+#define NSApplicationActivationPolicyAccessory  1
+#define NSApplicationActivationPolicyProhibited 2
+
 // Unbelievably, if the user swaps their button preference
 // then right buttons are reported as left buttons
 #define NSEventMaskLeftMouseDown 1 << 1
@@ -110,6 +114,8 @@ void SetTray(struct Application* app, const char *, const char *, const char *);
 //void SetContextMenus(struct Application* app, const char *);
 void AddTrayMenu(struct Application* app, const char *);
 
+void SetActivationPolicy(struct Application* app, int policy);
+
 void* lookupStringConstant(id constantName);
 
 #endif

v2/pkg/options/mac/mac.go

@@ -2,6 +2,14 @@ package mac
 
 import "github.com/wailsapp/wails/v2/pkg/menu"
 
+type ActivationPolicy int
+
+const (
+	NSApplicationActivationPolicyRegular    ActivationPolicy = 0
+	NSApplicationActivationPolicyAccessory  ActivationPolicy = 1
+	NSApplicationActivationPolicyProhibited ActivationPolicy = 2
+)
+
 // Options are options specific to Mac
 type Options struct {
 	TitleBar                      *TitleBar
@@ -11,4 +19,5 @@ type Options struct {
 	Menu                          *menu.Menu
 	TrayMenus                     []*menu.TrayMenu
 	ContextMenus                  []*menu.ContextMenu
+	ActivationPolicy              ActivationPolicy
 }