fullpath filesystem dialogs for localhost

Author: ddmitov

doc/SETTINGS.md

@@ -58,31 +58,31 @@ The ``pebSettings`` JavaScript object may have the following properties:
 
 ## Perl Scripts API
 
-Every Perl script run by PEB has a JavaScript settings object with an arbitrary name and fixed object properties. The name of the JavaScript settings object with a ``.script`` extension forms settings pseudo filename used to start the Perl script.  
+Every Perl script run by PEB has a JavaScript settings object with an arbitrary name and fixed object properties. The name of the JavaScript settings object with a ``.script`` extension forms settings pseudo link used to start the Perl script.  
 
 There are three methods to start a local Perl script:  
 
-* **Clicking a link to a script settings pseudo filename:**  
+* **Clicking a link to a script settings pseudo link:**  
 
   ```html
   <a href="test.script">Start Perl script</a>
   ```
 
-* **Submitting a form to a script settings pseudo filename:**  
+* **Submitting a form to a script settings pseudo link:**  
 
   ```html
   <form action="test.script">
     <input type="submit" value="Start Perl script">
   </form>
   ```
 
-* **Calling a JavaScript function with a script settings pseudo filename:**  
+* **Calling a JavaScript function with a script settings pseudo link:**  
 
   ```javascript
   peb.startScript('test.script');
   ```
 
-  This method creates an invisible form and submits it to the script settings pseudo filename.  
+  This method creates an invisible form and submits it to the script settings pseudo link.  
 
 A minimal example of a JavaScript settings object for a Perl script run by PEB:  
 
@@ -262,7 +262,9 @@ The ``#PORT#`` keyword within the command-line arguments is substituted with the
 
 ## Selecting Files and Folders
 
-Selecting files or folders with their full paths is performed by clicking a link to a pseudo filename composed of the name of a JavaScript settings object for the wanted dialog and a ``.dialog`` extension.  
+Selecting files or folders with their full paths is performed by clicking a pseudo link composed of the name of a JavaScript settings object and a ``.dialog`` extension.  
+
+Selecting files or folders with their full paths is possible only from local HTML files or localhost pages.  
 
 A JavaScript settings object for a filesystem dialog has only two object properties:
 

src/webengine-main-window.h

@@ -60,7 +60,6 @@ public slots:
             localServerBaseUrl = "http://localhost:" +
                     qApp->property("port").toString() + "/";
             webViewWidget->load(QUrl(localServerBaseUrl));
-
             showMaximized();
         }
 
@@ -70,12 +69,14 @@ public slots:
             localServerTester->stop();
 
             qDisplayError(QString("Local server timed out."));
+            showMaximized();
         }
     }
 
     void setMainWindowTitleSlot(QString title)
     {
         setWindowTitle(title);
+        showMaximized();
     }
 
     void qGoFullscreen(QWebEngineFullScreenRequest request) {

src/webengine-page.cpp

@@ -73,8 +73,18 @@ bool QPage::acceptNavigationRequest(const QUrl &url,
                                     QWebEnginePage::NavigationType type,
                                     bool isMainFrame)
 {
+    // Handle filesystem dialogs:
+    if ((url.scheme() == "file" or url.authority() == "localhost") and
+            type == QWebEnginePage::NavigationTypeLinkClicked and
+            url.fileName().contains(".dialog") and
+            isMainFrame == true) {
+        qHandleDialogs(url.fileName().replace(".dialog", ""));
+        return false;
+    }
+
+    // Handle local Perl scripts and functional pseudo filenames:
     if (url.scheme() == "file" and isMainFrame == true) {
-        // Local forms submission:
+        // Submitting special forms is a method to start local Perl scripts:
         if (type == QWebEnginePage::NavigationTypeFormSubmitted) {
             if (url.fileName().contains(".script")) {
                 qHandleScripts(url.fileName().replace(".script", ""));
@@ -85,13 +95,8 @@ bool QPage::acceptNavigationRequest(const QUrl &url,
         }
 
         if (type == QWebEnginePage::NavigationTypeLinkClicked) {
-            // Handle filesystem dialogs:
-            if (url.fileName().contains(".dialog")) {
-                qHandleDialogs(url.fileName().replace(".dialog", ""));
-                return false;
-            }
-
-            // Handle local Perl scripts:
+            // Clicking special links is
+            // another method to start local Perl scripts:
             if (url.fileName().contains(".script")) {
                 qHandleScripts(url.fileName().replace(".script", ""));
                 return false;

src/webengine-page.h

@@ -147,22 +147,20 @@ public slots:
     // ==============================
     void qHandleDialogs(QString dialogObjectName)
     {
-        if (QPage::url().scheme() == "file") {
-            QPage::runJavaScript(
-                        QString("peb.getDialogSettings(" +
-                                dialogObjectName + ")"),
-                        [dialogObjectName, this](QVariant dialogSettings)
-            {
-                QJsonDocument dialogJsonDocument =
-                        QJsonDocument::fromJson(
-                            dialogSettings.toString().toUtf8());
-                QJsonObject dialogJsonObject = dialogJsonDocument.object();
-
-                dialogJsonObject["id"] = dialogObjectName;
-
-                qReadDialogSettings(dialogJsonObject);
-            });
-        }
+        QPage::runJavaScript(
+                    QString("peb.getDialogSettings(" +
+                            dialogObjectName + ")"),
+                    [dialogObjectName, this](QVariant dialogSettings)
+        {
+            QJsonDocument dialogJsonDocument =
+                    QJsonDocument::fromJson(
+                        dialogSettings.toString().toUtf8());
+            QJsonObject dialogJsonObject = dialogJsonDocument.object();
+
+            dialogJsonObject["id"] = dialogObjectName;
+
+            qReadDialogSettings(dialogJsonObject);
+        });
     }
 
     void qReadDialogSettings(QJsonObject dialogJsonObject)

src/webkit-page.h

@@ -438,27 +438,27 @@ public slots:
     {
         Q_UNUSED(frame);
 
+        // Handle filesystem dialogs:
+        if ((request.url().scheme() == "file" or
+             request.url().authority() == "localhost") and
+                navigationType == QWebPage::NavigationTypeLinkClicked and
+                request.url().fileName().contains(".dialog")) {
+            qHandleDialogs(request.url().fileName().replace(".dialog", ""));
+            return false;
+        }
+
+        // Handle local Perl scripts and functional pseudo filenames:
         if (request.url().scheme() == "file") {
-            // Local forms submission:
-            if (navigationType == QWebPage::NavigationTypeFormSubmitted) {
-                if (request.url().fileName().contains(".script")) {
-                    qHandleScripts(request.url().fileName()
-                                   .replace(".script", ""));
-                    return false;
-                } else {
-                    return false;
-                }
+            // Submitting special forms is a method to start local Perl scripts:
+            if (navigationType == QWebPage::NavigationTypeFormSubmitted and
+                    request.url().fileName().contains(".script")) {
+                qHandleScripts(request.url().fileName().replace(".script", ""));
+                return false;
             }
 
             if (navigationType == QWebPage::NavigationTypeLinkClicked) {
-                // Handle filesystem dialogs:
-                if (request.url().fileName().contains(".dialog")) {
-                    qHandleDialogs(request.url().fileName()
-                                   .replace(".dialog", ""));
-                    return false;
-                }
-
-                // Handle local Perl scripts:
+                // Clicking special links is
+                // another method to start local Perl scripts:
                 if (request.url().fileName().contains(".script")) {
                     qHandleScripts(request.url().fileName()
                                    .replace(".script", ""));