Examples: Name signal arguments

Use a function declaration for all signal handlers that take at least
one argument. Directly referencing the signal values is less robust
and arguably too much magic.

Change-Id: I49a48e336bdc2149643770b978826884515cc4ad
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>
Reviewed-by: Michael Brüning <michael.bruning@qt.io>

3 files changed, 26 insertions, 15 deletions

diff --git a/examples/webengine/quicknanobrowser/BrowserDialog.qml b/examples/webengine/quicknanobrowser/BrowserDialog.qml
index 770cfee6a..6b0b3acd6 100644
--- a/examples/webengine/quicknanobrowser/BrowserDialog.qml
+++ b/examples/webengine/quicknanobrowser/BrowserDialog.qml
@@ -64,7 +64,7 @@ Window {
         id: webView
         anchors.fill: parent
 
-        onGeometryChangeRequested: {
+        onGeometryChangeRequested: function(geometry) {
             window.x = geometry.x
             window.y = geometry.y
             window.width = geometry.width
diff --git a/examples/webengine/quicknanobrowser/BrowserWindow.qml b/examples/webengine/quicknanobrowser/BrowserWindow.qml
index 5e98997ee..5693ffccc 100644
--- a/examples/webengine/quicknanobrowser/BrowserWindow.qml
+++ b/examples/webengine/quicknanobrowser/BrowserWindow.qml
@@ -206,8 +206,12 @@ ApplicationWindow {
                                 enabled: model.offset
                             }
 
-                            onObjectAdded: historyMenu.insertItem(index, object)
-                            onObjectRemoved: historyMenu.removeItem(object)
+                            onObjectAdded: function(index, object) {
+                                historyMenu.insertItem(index, object)
+                            }
+                            onObjectRemoved: function(index, object) {
+                                historyMenu.removeItem(object)
+                            }
                         }
                     }
                 }
@@ -291,14 +295,18 @@ ApplicationWindow {
                             text: "Off The Record"
                             checkable: true
                             checked: currentWebView.profile.offTheRecord
-                            onToggled: currentWebView.profile = checked ? otrProfile : defaultProfile;
+                            onToggled: function(checked) {
+                                currentWebView.profile = checked ? otrProfile : defaultProfile;
+                            }
                         }
                         MenuItem {
                             id: httpDiskCacheEnabled
                             text: "HTTP Disk Cache"
                             checkable: !currentWebView.profile.offTheRecord
                             checked: (currentWebView.profile.httpCacheType === WebEngineProfile.DiskHttpCache)
-                            onToggled: currentWebView.profile.httpCacheType = checked ? WebEngineProfile.DiskHttpCache : WebEngineProfile.MemoryHttpCache
+                            onToggled: function(checked) {
+                                currentWebView.profile.httpCacheType = checked ? WebEngineProfile.DiskHttpCache : WebEngineProfile.MemoryHttpCache;
+                            }
                         }
                         MenuItem {
                             id: autoLoadIconsForPage
@@ -368,7 +376,7 @@ ApplicationWindow {
                 id: webEngineView
                 focus: true
 
-                onLinkHovered: {
+                onLinkHovered: function(hoveredUrl) {
                     if (hoveredUrl == "")
                         resetStatusText.start();
                     else {
@@ -400,12 +408,12 @@ ApplicationWindow {
                 settings.touchIconsEnabled: appSettings.touchIconsEnabled
                 settings.webRTCPublicInterfacesOnly: appSettings.webRTCPublicInterfacesOnly
 
-                onCertificateError: {
+                onCertificateError: function(error) {
                     error.defer();
                     sslDialog.enqueue(error);
                 }
 
-                onNewViewRequested: {
+                onNewViewRequested: function(request) {
                     if (!request.userInitiated)
                         print("Warning: Blocked a popup window.");
                     else if (request.destination == WebEngineView.NewViewInTab) {
@@ -424,7 +432,7 @@ ApplicationWindow {
                     }
                 }
 
-                onFullScreenRequested: {
+                onFullScreenRequested: function(request) {
                     if (request.toggleOn) {
                         webEngineView.state = "FullScreen";
                         browserWindow.previousVisibility = browserWindow.visibility;
@@ -438,19 +446,20 @@ ApplicationWindow {
                     request.accept();
                 }
 
-                onQuotaRequested: {
+                onQuotaRequested: function(request) {
                     if (request.requestedSize <= 5 * 1024 * 1024)
                         request.accept();
                     else
                         request.reject();
                 }
 
-                onRegisterProtocolHandlerRequested: {
-                    print("accepting registerProtocolHandler request for " + request.scheme + " from " + request.origin);
+                onRegisterProtocolHandlerRequested: function(request) {
+                    console.log("accepting registerProtocolHandler request for "
+                                + request.scheme + " from " + request.origin);
                     request.accept();
                 }
 
-                onRenderProcessTerminated: {
+                onRenderProcessTerminated: function(terminationStatus, exitCode) {
                     var status = "";
                     switch (terminationStatus) {
                     case WebEngineView.NormalTerminationStatus:
diff --git a/examples/webengine/recipebrowser/resources/qml/main.qml b/examples/webengine/recipebrowser/resources/qml/main.qml
index 899d307cf..2639b6b5d 100644
--- a/examples/webengine/recipebrowser/resources/qml/main.qml
+++ b/examples/webengine/recipebrowser/resources/qml/main.qml
@@ -99,7 +99,9 @@ ApplicationWindow {
             Layout.fillHeight: true
             focus: true
             KeyNavigation.tab: webView
-            onRecipeSelected: webView.showRecipe(url)
+            onRecipeSelected: function(url) {
+                webView.showRecipe(url)
+            }
         }
 
         WebEngineView {
@@ -118,7 +120,7 @@ ApplicationWindow {
             }
 
             property bool firstLoadComplete: false
-            onLoadingChanged: {
+            onLoadingChanged: function(loadRequest) {
                 if (loadRequest.status === WebEngineView.LoadSucceededStatus
                     && !firstLoadComplete) {
                     // Debounce the showing of the web content, so images are more likely