From 6b5f62ecf3e27c2798385b7cc8ae5e0db4060a9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mladen=20Pejakovi=C4=87?= <pejakm@autistici.org>
Date: Sat, 4 Jan 2014 19:00:01 +0100
Subject: [PATCH] [WebView] Option to add Undo/Redo menu actions to forms

---
 src/lib/other/qzsettings.cpp        |  1 +
 src/lib/other/qzsettings.h          |  1 +
 src/lib/preferences/preferences.cpp |  2 ++
 src/lib/preferences/preferences.ui  | 10 ++++++++++
 src/lib/webview/webview.cpp         |  9 +++++++++
 5 files changed, 23 insertions(+)

diff --git a/src/lib/other/qzsettings.cpp b/src/lib/other/qzsettings.cpp
index 6c4c24df1..4a9c41f5d 100644
--- a/src/lib/other/qzsettings.cpp
+++ b/src/lib/other/qzsettings.cpp
@@ -51,6 +51,7 @@ void QzSettings::loadSettings()
     allowJsHideMenuBar = settings.value("allowJavaScriptHideMenuBar", true).toBool();
     allowJsHideStatusBar = settings.value("allowJavaScriptHideStatusBar", true).toBool();
     allowJsHideToolBar = settings.value("allowJavaScriptHideToolBar", true).toBool();
+    enableFormsUndoRedo = settings.value("enableFormsUndoRedo", false).toBool();
     settings.endGroup();
 
     settings.beginGroup("Browser-Tabs-Settings");
diff --git a/src/lib/other/qzsettings.h b/src/lib/other/qzsettings.h
index ff0953ee4..217430430 100644
--- a/src/lib/other/qzsettings.h
+++ b/src/lib/other/qzsettings.h
@@ -52,6 +52,7 @@ public:
     bool allowJsHideMenuBar;
     bool allowJsHideStatusBar;
     bool allowJsHideToolBar;
+    bool enableFormsUndoRedo;
 
     QStringList autoOpenProtocols;
     QStringList blockedProtocols;
diff --git a/src/lib/preferences/preferences.cpp b/src/lib/preferences/preferences.cpp
index 9aeb52ca6..8798a633c 100644
--- a/src/lib/preferences/preferences.cpp
+++ b/src/lib/preferences/preferences.cpp
@@ -279,6 +279,7 @@ Preferences::Preferences(QupZilla* mainClass, QWidget* parent)
     ui->wheelScroll->setValue(settings.value("wheelScrollLines", qApp->wheelScrollLines()).toInt());
     ui->defaultZoom->setValue(settings.value("DefaultZoom", 100).toInt());
     ui->xssAuditing->setChecked(settings.value("XSSAuditing", false).toBool());
+    ui->formsUndoRedo->setChecked(settings.value("enableFormsUndoRedo", false).toBool());
 
     //Cache
     ui->pagesInCache->setValue(settings.value("maximumCachedPages", 3).toInt());
@@ -962,6 +963,7 @@ void Preferences::saveSettings()
     settings.setValue("LoadTabsOnActivation", ui->dontLoadTabsUntilSelected->isChecked());
     settings.setValue("DefaultZoom", ui->defaultZoom->value());
     settings.setValue("XSSAuditing", ui->xssAuditing->isChecked());
+    settings.setValue("enableFormsUndoRedo", ui->formsUndoRedo->isChecked());
 #ifdef Q_OS_WIN
     settings.setValue("CheckDefaultBrowser", ui->checkDefaultBrowser->isChecked());
 #endif
diff --git a/src/lib/preferences/preferences.ui b/src/lib/preferences/preferences.ui
index 9fd00355c..79e135fd0 100644
--- a/src/lib/preferences/preferences.ui
+++ b/src/lib/preferences/preferences.ui
@@ -1100,6 +1100,16 @@
                    </property>
                   </widget>
                  </item>
+                 <item>
+                  <widget class="QCheckBox" name="formsUndoRedo">
+                   <property name="toolTip">
+                    <string>If you disable this, it will still be accesible via standard Qt shortcuts</string>
+                   </property>
+                   <property name="text">
+                    <string>Enable Undo/Redo for editable forms</string>
+                   </property>
+                  </widget>
+                 </item>
                 </layout>
                </item>
                <item row="2" column="0">
diff --git a/src/lib/webview/webview.cpp b/src/lib/webview/webview.cpp
index 86b088e60..c8f93d175 100644
--- a/src/lib/webview/webview.cpp
+++ b/src/lib/webview/webview.cpp
@@ -836,6 +836,15 @@ void WebView::createContextMenu(QMenu* menu, const QWebHitTestResult &hitTest, c
             QMenu* pageMenu = page()->createStandardContextMenu();
             // Apparently createStandardContextMenu() can return null pointer
             if (pageMenu) {
+                if (qzSettings->enableFormsUndoRedo) {
+                    pageAction(QWebPage::Undo)->setIcon(QIcon::fromTheme("edit-undo"));
+                    pageAction(QWebPage::Undo)->setText(tr("Undo"));
+                    menu->addAction(pageAction(QWebPage::Undo));
+                    pageAction(QWebPage::Redo)->setIcon(QIcon::fromTheme("edit-redo"));
+                    pageAction(QWebPage::Redo)->setText(tr("Redo"));
+                    menu->addAction(pageAction(QWebPage::Redo));
+                    menu->addSeparator();
+                }
                 int i = 0;
                 foreach (QAction* act, pageMenu->actions()) {
                     if (act->isSeparator()) {