v2.0.0-alpha.10

v2/cmd/wails/version.go

@@ -1,3 +1,3 @@
 package main
 
-var version = "v2.0.0-alpha.6"
+var version = "v2.0.0-alpha.10"

v2/internal/app/desktop.go

@@ -43,6 +43,10 @@ type App struct {
 	// Application Stores
 	loglevelStore  *runtime.Store
 	appconfigStore *runtime.Store
+
+	// Startup/Shutdown
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
 }
 
 // Create App
@@ -76,11 +80,13 @@ func CreateApp(appoptions *options.App) (*App, error) {
 	window := ffenestri.NewApplicationWithConfig(appoptions, myLogger, menuManager)
 
 	result := &App{
-		window:      window,
-		servicebus:  servicebus.New(myLogger),
-		logger:      myLogger,
-		bindings:    binding.NewBindings(myLogger),
-		menuManager: menuManager,
+		window:           window,
+		servicebus:       servicebus.New(myLogger),
+		logger:           myLogger,
+		bindings:         binding.NewBindings(myLogger),
+		menuManager:      menuManager,
+		startupCallback:  appoptions.Startup,
+		shutdownCallback: appoptions.Shutdown,
 	}
 
 	result.options = appoptions
@@ -112,7 +118,7 @@ func (a *App) Run() error {
 		return err
 	}
 
-	runtimesubsystem, err := subsystem.NewRuntime(a.servicebus, a.logger)
+	runtimesubsystem, err := subsystem.NewRuntime(a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
 	if err != nil {
 		return err
 	}

v2/internal/binding/binding.go

@@ -34,26 +34,6 @@ func (b *Bindings) Add(structPtr interface{}) error {
 		structName := splitName[1]
 		methodName := splitName[2]
 
-		// Is this WailsInit?
-		if method.IsWailsInit() {
-			err := b.db.AddWailsInit(method)
-			if err != nil {
-				return err
-			}
-			b.logger.Trace("Registered WailsInit method: %s", method.Name)
-			continue
-		}
-
-		// Is this WailsShutdown?
-		if method.IsWailsShutdown() {
-			err := b.db.AddWailsShutdown(method)
-			if err != nil {
-				return err
-			}
-			b.logger.Trace("Registered WailsShutdown method: %s", method.Name)
-			continue
-		}
-
 		// Add it as a regular method
 		b.db.AddMethod(packageName, structName, methodName, method)
 

v2/internal/binding/boundMethod.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
-	"strings"
 )
 
 // BoundMethod defines all the data related to a Go method that is
@@ -17,58 +16,6 @@ type BoundMethod struct {
 	Method   reflect.Value `json:"-"`
 }
 
-// IsWailsInit returns true if the method name is "WailsInit"
-func (b *BoundMethod) IsWailsInit() bool {
-	return strings.HasSuffix(b.Name, "WailsInit")
-}
-
-// IsWailsShutdown returns true if the method name is "WailsShutdown"
-func (b *BoundMethod) IsWailsShutdown() bool {
-	return strings.HasSuffix(b.Name, "WailsShutdown")
-}
-
-// VerifyWailsInit checks if the WailsInit signature is correct
-func (b *BoundMethod) VerifyWailsInit() error {
-	// Must only have 1 input
-	if b.InputCount() != 1 {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Check input type
-	if !b.Inputs[0].IsType("*runtime.Runtime") {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Must only have 1 output
-	if b.OutputCount() != 1 {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Check output type
-	if !b.Outputs[0].IsError() {
-		return fmt.Errorf("invalid method signature for %s: expected `WailsInit(*wails.Runtime) error`", b.Name)
-	}
-
-	// Input must be of type Runtime
-	return nil
-}
-
-// VerifyWailsShutdown checks if the WailsShutdown signature is correct
-func (b *BoundMethod) VerifyWailsShutdown() error {
-	// Must have no inputs
-	if b.InputCount() != 0 {
-		return fmt.Errorf("invalid method signature for WailsShutdown: expected `WailsShutdown()`")
-	}
-
-	// Must have no outputs
-	if b.OutputCount() != 0 {
-		return fmt.Errorf("invalid method signature for WailsShutdown: expected `WailsShutdown()`")
-	}
-
-	// Input must be of type Runtime
-	return nil
-}
-
 // InputCount returns the number of inputs this bound method has
 func (b *BoundMethod) InputCount() int {
 	return len(b.Inputs)

v2/internal/binding/db.go

@@ -15,10 +15,6 @@ type DB struct {
 	// It used for performance gains at runtime
 	methodMap map[string]*BoundMethod
 
-	// These are slices of methods registered using WailsInit and WailsShutdown
-	wailsInitMethods     []*BoundMethod
-	wailsShutdownMethods []*BoundMethod
-
 	// Lock to ensure sync access to the data
 	lock sync.RWMutex
 }
@@ -94,38 +90,6 @@ func (d *DB) AddMethod(packageName string, structName string, methodName string,
 
 }
 
-// AddWailsInit checks the given method is a WailsInit method and if it
-// is, adds it to the list of WailsInit methods
-func (d *DB) AddWailsInit(method *BoundMethod) error {
-	err := method.VerifyWailsInit()
-	if err != nil {
-		return err
-	}
-
-	// Lock the db whilst processing and unlock on return
-	d.lock.Lock()
-	defer d.lock.Unlock()
-
-	d.wailsInitMethods = append(d.wailsInitMethods, method)
-	return nil
-}
-
-// AddWailsShutdown checks the given method is a WailsInit method and if it
-// is, adds it to the list of WailsShutdown methods
-func (d *DB) AddWailsShutdown(method *BoundMethod) error {
-	err := method.VerifyWailsShutdown()
-	if err != nil {
-		return err
-	}
-
-	// Lock the db whilst processing and unlock on return
-	d.lock.Lock()
-	defer d.lock.Unlock()
-
-	d.wailsShutdownMethods = append(d.wailsShutdownMethods, method)
-	return nil
-}
-
 // ToJSON converts the method map to JSON
 func (d *DB) ToJSON() (string, error) {
 
@@ -138,13 +102,3 @@ func (d *DB) ToJSON() (string, error) {
 	// Return zero copy string as this string will be read only
 	return *(*string)(unsafe.Pointer(&bytes)), err
 }
-
-// WailsInitMethods returns the list of registered WailsInit methods
-func (d *DB) WailsInitMethods() []*BoundMethod {
-	return d.wailsInitMethods
-}
-
-// WailsShutdownMethods returns the list of registered WailsInit methods
-func (d *DB) WailsShutdownMethods() []*BoundMethod {
-	return d.wailsShutdownMethods
-}

v2/internal/ffenestri/ffenestri.h

@@ -36,7 +36,7 @@ extern void MessageDialog(struct Application*, char *callbackID, char *type, cha
 extern void DarkModeEnabled(struct Application*, char *callbackID);
 extern void SetApplicationMenu(struct Application*, const char *);
 extern void AddTrayMenu(struct Application*, const char *menuTrayJSON);
-extern void UpdateTrayMenu(struct Application*, const char *menuTrayJSON);
+extern void SetTrayMenu(struct Application*, const char *menuTrayJSON);
 extern void AddContextMenu(struct Application*, char *contextMenuJSON);
 extern void UpdateContextMenu(struct Application*, char *contextMenuJSON);
 

v2/internal/ffenestri/ffenestri_client.go

@@ -12,10 +12,10 @@ package ffenestri
 import "C"
 
 import (
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
 	"strconv"
 
 	"github.com/wailsapp/wails/v2/internal/logger"
-	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 // Client is our implentation of messageDispatcher.Client
@@ -120,7 +120,7 @@ func (c *Client) WindowSetColour(colour int) {
 }
 
 // OpenDialog will open a dialog with the given title and filter
-func (c *Client) OpenDialog(dialogOptions *options.OpenDialog, callbackID string) {
+func (c *Client) OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string) {
 	C.OpenDialog(c.app.app,
 		c.app.string2CString(callbackID),
 		c.app.string2CString(dialogOptions.Title),
@@ -138,7 +138,7 @@ func (c *Client) OpenDialog(dialogOptions *options.OpenDialog, callbackID string
 }
 
 // SaveDialog will open a dialog with the given title and filter
-func (c *Client) SaveDialog(dialogOptions *options.SaveDialog, callbackID string) {
+func (c *Client) SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string) {
 	C.SaveDialog(c.app.app,
 		c.app.string2CString(callbackID),
 		c.app.string2CString(dialogOptions.Title),
@@ -152,7 +152,7 @@ func (c *Client) SaveDialog(dialogOptions *options.SaveDialog, callbackID string
 }
 
 // MessageDialog will open a message dialog with the given options
-func (c *Client) MessageDialog(dialogOptions *options.MessageDialog, callbackID string) {
+func (c *Client) MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string) {
 
 	// Sanity check button length
 	if len(dialogOptions.Buttons) > 4 {
@@ -188,8 +188,8 @@ func (c *Client) SetApplicationMenu(applicationMenuJSON string) {
 	C.SetApplicationMenu(c.app.app, c.app.string2CString(applicationMenuJSON))
 }
 
-func (c *Client) UpdateTrayMenu(trayMenuJSON string) {
-	C.UpdateTrayMenu(c.app.app, c.app.string2CString(trayMenuJSON))
+func (c *Client) SetTrayMenu(trayMenuJSON string) {
+	C.SetTrayMenu(c.app.app, c.app.string2CString(trayMenuJSON))
 }
 
 func (c *Client) UpdateContextMenu(contextMenuJSON string) {

v2/internal/ffenestri/ffenestri_darwin.c

@@ -21,10 +21,6 @@ int debug;
 // A cache for all our dialog icons
 struct hashmap_s dialogIconCache;
 
-// Context menu data is given by the frontend when clicking a context menu.
-// We send this to the backend when an item is selected;
-const char *contextMenuData;
-
 // Dispatch Method
 typedef void (^dispatchMethod)(void);
 
@@ -255,6 +251,10 @@ void messageHandler(id self, SEL cmd, id contentController, id message) {
 
 		// TODO: Check this actually does reduce flicker
 		msg(app->config, s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 0), str("suppressesIncrementalRendering"));
+
+		// Notify backend we are ready (system startup)
+        app->sendMessageToBackend("SS");
+
 	} else if( strcmp(name, "windowDrag") == 0 ) {
 		// Guard against null events
 		if( app->mouseEvent != NULL ) {
@@ -633,6 +633,8 @@ extern void MessageDialog(struct Application *app, char *callbackID, char *type,
 	        dialogIcon = icon;
 	    }
 
+	    // TODO: move dialog icons + methods to own file
+
 	    // Determine what dialog icon we are looking for
 	    id dialogImage = NULL;
 	    // Look for `name-theme2x` first
@@ -924,8 +926,10 @@ void AddTrayMenu(struct Application *app, const char *trayMenuJSON) {
 	AddTrayMenuToStore(app->trayMenuStore, trayMenuJSON);
 }
 
-void UpdateTrayMenu(struct Application *app, const char* trayMenuJSON) {
-    UpdateTrayMenuInStore(app->trayMenuStore, trayMenuJSON);
+void SetTrayMenu(struct Application *app, const char* trayMenuJSON) {
+    ON_MAIN_THREAD(
+        UpdateTrayMenuInStore(app->trayMenuStore, trayMenuJSON);
+    );
 }
 
 void SetBindings(struct Application *app, const char *bindings) {
@@ -1501,6 +1505,9 @@ void Run(struct Application *app, int argc, char **argv) {
 		makeWindowBackgroundTranslucent(app);
 	}
 
+    // We set it to be invisible by default. It will become visible when everything has initialised
+    msg(app->mainWindow, s("setIsVisible:"), NO);
+
 	// Setup webview
 	id config = msg(c("WKWebViewConfiguration"), s("new"));
 	msg(config, s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 1), str("suppressesIncrementalRendering"));
@@ -1651,9 +1658,6 @@ void Run(struct Application *app, int argc, char **argv) {
 	// Process dialog icons
 	processUserDialogIcons(app);
 
-	// We set it to be invisible by default. It will become visible when everything has initialised
-	msg(app->mainWindow, s("setIsVisible:"), NO);
-
 	// Finally call run
 	Debug(app, "Run called");
 	msg(app->application, s("run"));

v2/internal/ffenestri/traymenustore_darwin.c

@@ -77,8 +77,16 @@ void UpdateTrayMenuInStore(TrayMenuStore* store, const char* menuJSON) {
 
     // Get the current menu
     TrayMenu *currentMenu = GetTrayMenuFromStore(store, newMenu->ID);
+
+    // If we don't have a menu, we create one
     if ( currentMenu == NULL ) {
-        ABORT("Attempted to update unknown tray menu with ID '%s'.", newMenu->ID);
+
+        // Store the new menu
+        hashmap_put(&store->trayMenuMap, newMenu->ID, strlen(newMenu->ID), newMenu);
+
+        // Show it
+        ShowTrayMenu(newMenu);
+        return;
     }
 
     // Save the status bar reference

v2/internal/menumanager/menuitemmap.go

@@ -26,6 +26,9 @@ func NewMenuItemMap() *MenuItemMap {
 }
 
 func (m *MenuItemMap) AddMenu(menu *menu.Menu) {
+	if menu == nil {
+		return
+	}
 	for _, item := range menu.Items {
 		m.processMenuItem(item)
 	}

v2/internal/menumanager/processedMenu.go

@@ -63,9 +63,11 @@ type ProcessedMenu struct {
 func NewProcessedMenu(menuItemMap *MenuItemMap, menu *menu.Menu) *ProcessedMenu {
 
 	result := &ProcessedMenu{}
-	for _, item := range menu.Items {
-		processedMenuItem := NewProcessedMenuItem(menuItemMap, item)
-		result.Items = append(result.Items, processedMenuItem)
+	if menu != nil {
+		for _, item := range menu.Items {
+			processedMenuItem := NewProcessedMenuItem(menuItemMap, item)
+			result.Items = append(result.Items, processedMenuItem)
+		}
 	}
 
 	return result

v2/internal/menumanager/traymenu.go

@@ -50,7 +50,7 @@ func NewTrayMenu(trayMenu *menu.TrayMenu) *TrayMenu {
 	return result
 }
 
-func (m *Manager) AddTrayMenu(trayMenu *menu.TrayMenu) {
+func (m *Manager) AddTrayMenu(trayMenu *menu.TrayMenu) (string, error) {
 	newTrayMenu := NewTrayMenu(trayMenu)
 
 	// Hook up a new ID
@@ -60,12 +60,15 @@ func (m *Manager) AddTrayMenu(trayMenu *menu.TrayMenu) {
 	// Save the references
 	m.trayMenus[trayID] = newTrayMenu
 	m.trayMenuPointers[trayMenu] = trayID
+
+	return newTrayMenu.AsJSON()
 }
 
-func (m *Manager) UpdateTrayMenu(trayMenu *menu.TrayMenu) (string, error) {
+// SetTrayMenu updates or creates a menu
+func (m *Manager) SetTrayMenu(trayMenu *menu.TrayMenu) (string, error) {
 	trayID, trayMenuKnown := m.trayMenuPointers[trayMenu]
 	if !trayMenuKnown {
-		return "", fmt.Errorf("unknown Tray Menu '%s'. Please add the tray menu using AddTrayMenu()", trayMenu.Label)
+		return m.AddTrayMenu(trayMenu)
 	}
 
 	// Create the updated tray menu

v2/internal/messagedispatcher/dispatchclient.go

@@ -5,7 +5,7 @@ import (
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
 )
 
 // Client defines what a frontend client can do
@@ -13,9 +13,9 @@ type Client interface {
 	Quit()
 	NotifyEvent(message string)
 	CallResult(message string)
-	OpenDialog(dialogOptions *options.OpenDialog, callbackID string)
-	SaveDialog(dialogOptions *options.SaveDialog, callbackID string)
-	MessageDialog(dialogOptions *options.MessageDialog, callbackID string)
+	OpenDialog(dialogOptions *dialog.OpenDialog, callbackID string)
+	SaveDialog(dialogOptions *dialog.SaveDialog, callbackID string)
+	MessageDialog(dialogOptions *dialog.MessageDialog, callbackID string)
 	WindowSetTitle(title string)
 	WindowShow()
 	WindowHide()
@@ -31,7 +31,7 @@ type Client interface {
 	WindowSetColour(colour int)
 	DarkModeEnabled(callbackID string)
 	SetApplicationMenu(menuJSON string)
-	UpdateTrayMenu(trayMenuJSON string)
+	SetTrayMenu(trayMenuJSON string)
 	UpdateContextMenu(contextMenuJSON string)
 }
 

v2/internal/messagedispatcher/message/system.go

@@ -8,8 +8,8 @@ import (
 // systemMessageParser does what it says on the tin!
 func systemMessageParser(message string) (*parsedMessage, error) {
 
-	// Sanity check: system messages must be at least 4 bytes
-	if len(message) < 4 {
+	// Sanity check: system messages must be at least 2 bytes
+	if len(message) < 2 {
 		return nil, fmt.Errorf("system message was an invalid length")
 	}
 
@@ -23,6 +23,9 @@ func systemMessageParser(message string) (*parsedMessage, error) {
 	// Format of system response messages: S<command><callbackID>|<payload>
 	// DarkModeEnabled
 	case 'D':
+		if len(message) < 4 {
+			return nil, fmt.Errorf("system message was an invalid length")
+		}
 		message = message[1:]
 		idx := strings.IndexByte(message, '|')
 		if idx < 0 {
@@ -34,6 +37,10 @@ func systemMessageParser(message string) (*parsedMessage, error) {
 		topic := "systemresponse:" + callbackID
 		responseMessage = &parsedMessage{Topic: topic, Data: payloadData == "T"}
 
+		// This is our startup hook - the frontend is now ready
+	case 'S':
+		topic := "hooks:startup"
+		responseMessage = &parsedMessage{Topic: topic, Data: nil}
 	default:
 		return nil, fmt.Errorf("Invalid message to systemMessageParser()")
 	}

v2/internal/messagedispatcher/messagedispatcher.go

@@ -2,6 +2,7 @@ package messagedispatcher
 
 import (
 	"encoding/json"
+	"github.com/wailsapp/wails/v2/pkg/options/dialog"
 	"strconv"
 	"strings"
 	"sync"
@@ -10,7 +11,6 @@ import (
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/messagedispatcher/message"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
 )
 
 // Dispatcher translates messages received from the frontend
@@ -370,7 +370,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 		dialogType := splitTopic[2]
 		switch dialogType {
 		case "open":
-			dialogOptions, ok := result.Data().(*options.OpenDialog)
+			dialogOptions, ok := result.Data().(*dialog.OpenDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:open' : %#v", result.Data())
 				return
@@ -384,7 +384,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 				client.frontend.OpenDialog(dialogOptions, callbackID)
 			}
 		case "save":
-			dialogOptions, ok := result.Data().(*options.SaveDialog)
+			dialogOptions, ok := result.Data().(*dialog.SaveDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:save' : %#v", result.Data())
 				return
@@ -398,7 +398,7 @@ func (d *Dispatcher) processDialogMessage(result *servicebus.Message) {
 				client.frontend.SaveDialog(dialogOptions, callbackID)
 			}
 		case "message":
-			dialogOptions, ok := result.Data().(*options.MessageDialog)
+			dialogOptions, ok := result.Data().(*dialog.MessageDialog)
 			if !ok {
 				d.logger.Error("Invalid data for 'dialog:select:message' : %#v", result.Data())
 				return
@@ -445,10 +445,10 @@ func (d *Dispatcher) processMenuMessage(result *servicebus.Message) {
 			client.frontend.SetApplicationMenu(updatedMenu)
 		}
 
-	case "updatetraymenu":
-		updatedTrayMenu, ok := result.Data().(string)
+	case "settraymenu":
+		trayMenuJSON, ok := result.Data().(string)
 		if !ok {
-			d.logger.Error("Invalid data for 'menufrontend:updatetraymenu' : %#v",
+			d.logger.Error("Invalid data for 'menufrontend:settraymenu' : %#v",
 				result.Data())
 			return
 		}
@@ -456,8 +456,9 @@ func (d *Dispatcher) processMenuMessage(result *servicebus.Message) {
 		// TODO: Work out what we mean in a multi window environment...
 		// For now we will just pick the first one
 		for _, client := range d.clients {
-			client.frontend.UpdateTrayMenu(updatedTrayMenu)
+			client.frontend.SetTrayMenu(trayMenuJSON)
 		}
+
 	case "updatecontextmenu":
 		updatedContextMenu, ok := result.Data().(string)
 		if !ok {

v2/internal/parse/parse.go

@@ -10,8 +10,6 @@ import (
 	"golang.org/x/tools/go/packages"
 )
 
-var internalMethods = slicer.String([]string{"WailsInit", "Wails Shutdown"})
-
 var structCache = make(map[string]*ParsedStruct)
 var boundStructs = make(map[string]*ParsedStruct)
 var boundMethods = []string{}
@@ -49,7 +47,7 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 	cfg := &packages.Config{Mode: packages.NeedFiles | packages.NeedSyntax | packages.NeedTypesInfo}
 	pkgs, err := packages.Load(cfg, projectPath)
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "load: %v\n", err)
+		_, _ = fmt.Fprintf(os.Stderr, "load: %v\n", err)
 		os.Exit(1)
 	}
 	if packages.PrintErrors(pkgs) > 0 {
@@ -203,10 +201,6 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 								// This is a struct pointer method
 								i, ok := se.X.(*ast.Ident)
 								if ok {
-									// We want to ignore Internal functions
-									if internalMethods.Contains(x.Name.Name) {
-										continue
-									}
 									// If we haven't already found this struct,
 									// Create a placeholder in the cache
 									parsedStruct := structCache[i.Name]
@@ -437,4 +431,6 @@ func ParseProject(projectPath string) (BoundStructs, error) {
 	println()
 	println("}")
 	println()
+
+	return nil, nil
 }

v2/internal/runtime/dialog.go

@@ -5,14 +5,14 @@ import (
 
 	"github.com/wailsapp/wails/v2/internal/crypto"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"github.com/wailsapp/wails/v2/pkg/options"
+	dialogoptions "github.com/wailsapp/wails/v2/pkg/options/dialog"
 )
 
 // Dialog defines all Dialog related operations
 type Dialog interface {
-	Open(dialogOptions *options.OpenDialog) []string
-	Save(dialogOptions *options.SaveDialog) string
-	Message(dialogOptions *options.MessageDialog) string
+	Open(dialogOptions *dialogoptions.OpenDialog) []string
+	Save(dialogOptions *dialogoptions.SaveDialog) string
+	Message(dialogOptions *dialogoptions.MessageDialog) string
 }
 
 // dialog exposes the Dialog interface
@@ -45,7 +45,7 @@ func (r *dialog) processTitleAndFilter(params ...string) (string, string) {
 }
 
 // Open prompts the user to select a file
-func (r *dialog) Open(dialogOptions *options.OpenDialog) []string {
+func (r *dialog) Open(dialogOptions *dialogoptions.OpenDialog) []string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()
@@ -70,7 +70,7 @@ func (r *dialog) Open(dialogOptions *options.OpenDialog) []string {
 }
 
 // Save prompts the user to select a file
-func (r *dialog) Save(dialogOptions *options.SaveDialog) string {
+func (r *dialog) Save(dialogOptions *dialogoptions.SaveDialog) string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()
@@ -95,7 +95,7 @@ func (r *dialog) Save(dialogOptions *options.SaveDialog) string {
 }
 
 // Message show a message to the user
-func (r *dialog) Message(dialogOptions *options.MessageDialog) string {
+func (r *dialog) Message(dialogOptions *dialogoptions.MessageDialog) string {
 
 	// Create unique dialog callback
 	uniqueCallback := crypto.RandomID()

v2/internal/runtime/menu.go

@@ -9,7 +9,7 @@ import (
 type Menu interface {
 	UpdateApplicationMenu()
 	UpdateContextMenu(contextMenu *menu.ContextMenu)
-	UpdateTrayMenu(trayMenu *menu.TrayMenu)
+	SetTrayMenu(trayMenu *menu.TrayMenu)
 }
 
 type menuRuntime struct {
@@ -31,6 +31,6 @@ func (m *menuRuntime) UpdateContextMenu(contextMenu *menu.ContextMenu) {
 	m.bus.Publish("menu:updatecontextmenu", contextMenu)
 }
 
-func (m *menuRuntime) UpdateTrayMenu(trayMenu *menu.TrayMenu) {
-	m.bus.Publish("menu:updatetraymenu", trayMenu)
+func (m *menuRuntime) SetTrayMenu(trayMenu *menu.TrayMenu) {
+	m.bus.Publish("menu:settraymenu", trayMenu)
 }

v2/internal/runtime/system.go

@@ -44,6 +44,7 @@ func (r *system) IsDarkMode() bool {
 	systemResponseChannel, err := r.bus.Subscribe(responseTopic)
 	if err != nil {
 		fmt.Printf("ERROR: Cannot subscribe to bus topic: %+v\n", err.Error())
+		return false
 	}
 
 	message := "system:isdarkmode:" + uniqueCallback

v2/internal/subsystem/binding.go

@@ -5,8 +5,6 @@ import (
 	"github.com/wailsapp/wails/v2/internal/logger"
 	"github.com/wailsapp/wails/v2/internal/runtime"
 	"github.com/wailsapp/wails/v2/internal/servicebus"
-	"os"
-	"time"
 )
 
 // Binding is the Binding subsystem. It manages all service bus messages
@@ -26,13 +24,6 @@ type Binding struct {
 	runtime *runtime.Runtime
 }
 
-func showError(err error) {
-	// Add a slight delay so log buffer clears
-	time.Sleep(1 * time.Second)
-	println("\n\n\n\n\n\n")
-	println("Fatal Error in WailsInit(): " + err.Error())
-}
-
 // NewBinding creates a new binding subsystem. Uses the given bindings db for reference.
 func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *binding.Bindings, runtime *runtime.Runtime) (*Binding, error) {
 
@@ -56,16 +47,6 @@ func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *bin
 		runtime:        runtime,
 	}
 
-	// Call WailsInit methods once the frontend is loaded
-	runtime.Events.On("wails:loaded", func(...interface{}) {
-		result.logger.Trace("Calling WailsInit() methods")
-		err := result.CallWailsInit()
-		if err != nil {
-			showError(err)
-			os.Exit(1)
-		}
-	})
-
 	return result, nil
 }
 
@@ -94,34 +75,6 @@ func (b *Binding) Start() error {
 	return nil
 }
 
-// CallWailsInit will callback to the registered WailsInit
-// methods with the runtime object
-func (b *Binding) CallWailsInit() error {
-	for _, wailsinit := range b.bindings.DB().WailsInitMethods() {
-		_, err := wailsinit.Call([]interface{}{b.runtime})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// CallWailsShutdown will callback to the registered WailsShutdown
-// methods with the runtime object
-func (b *Binding) CallWailsShutdown() error {
-	for _, wailsshutdown := range b.bindings.DB().WailsShutdownMethods() {
-		_, err := wailsshutdown.Call([]interface{}{})
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func (b *Binding) shutdown() {
-	err := b.CallWailsShutdown()
-	if err != nil {
-		showError(err)
-	}
 	b.logger.Trace("Shutdown")
 }