implemented page zoom feature,

- in settings widget.

4 files changed, 318 insertions, 152 deletions

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index cdeab28..a2a7770 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -203,6 +203,12 @@ void MainWindow::init_settingWidget()
             }
         });
 
+        connect(settingsWidget,&SettingsWidget::zoomChanged,[=]()
+        {
+            double currentFactor = settings.value("zoomFactor",1.0).toDouble();
+            webEngine->page()->setZoomFactor(currentFactor);
+        });
+
         connect(settingsWidget,&SettingsWidget::notificationPopupTimeOutChanged,[=](){
            setNotificationPresenter(this->webEngine->page()->profile());
         });
@@ -593,6 +599,9 @@ void MainWindow::createWebPage(bool offTheRecord)
 
     connect(webEngine->page(), SIGNAL(fullScreenRequested(QWebEngineFullScreenRequest)),
                 this, SLOT(fullScreenRequested(QWebEngineFullScreenRequest)));
+
+    double currentFactor = settings.value("zoomFactor",1.0).toDouble();
+    webEngine->page()->setZoomFactor(currentFactor);
 }
 
 void MainWindow::setNotificationPresenter(QWebEngineProfile* profile)
diff --git a/src/settingswidget.cpp b/src/settingswidget.cpp
index 79394aa..9d4904a 100644
--- a/src/settingswidget.cpp
+++ b/src/settingswidget.cpp
@@ -19,6 +19,10 @@ SettingsWidget::SettingsWidget(QWidget *parent, QString engineCachePath, QString
     this->engineCachePath             = engineCachePath;
     this->enginePersistentStoragePath = enginePersistentStoragePath;
 
+    ui->zoomFactorSpinBox->setRange(0.25,5.0);
+    ui->zoomFactorSpinBox->setValue(settings.value("zoomFactor",1.0).toDouble());
+    //emit zoomChanged();
+
     ui->closeButtonActionComboBox->setCurrentIndex(settings.value("closeButtonActionCombo",0).toInt());
     ui->notificationCheckBox->setChecked(settings.value("disableNotificationPopups",false).toBool());
     ui->muteAudioCheckBox->setChecked(settings.value("muteAudio",false).toBool());
@@ -422,3 +426,32 @@ void SettingsWidget::on_useNativeFileDialog_toggled(bool checked)
 {
     settings.setValue("useNativeFileDialog",checked);
 }
+
+void SettingsWidget::on_zoomPlus_clicked()
+{
+    double currentFactor = settings.value("zoomFactor",1.0).toDouble();
+    double newFactor = currentFactor + 0.25;
+    ui->zoomFactorSpinBox->setValue(newFactor);
+
+    settings.setValue("zoomFactor",ui->zoomFactorSpinBox->value());
+    emit zoomChanged();
+}
+
+void SettingsWidget::on_zoomMinus_clicked()
+{
+    double currentFactor = settings.value("zoomFactor",1.0).toDouble();
+    double newFactor = currentFactor - 0.25;
+    ui->zoomFactorSpinBox->setValue(newFactor);
+
+    settings.setValue("zoomFactor",ui->zoomFactorSpinBox->value());
+    emit zoomChanged();
+}
+
+void SettingsWidget::on_zoomReset_clicked()
+{
+    double newFactor = 1.0;
+    ui->zoomFactorSpinBox->setValue(newFactor);
+
+    settings.setValue("zoomFactor",ui->zoomFactorSpinBox->value());
+    emit zoomChanged();
+}
diff --git a/src/settingswidget.h b/src/settingswidget.h
index a49eda8..6f0fa4a 100644
--- a/src/settingswidget.h
+++ b/src/settingswidget.h
@@ -28,6 +28,7 @@ signals:
     void spellCheckChanged(bool checked);
     void notificationPopupTimeOutChanged();
     void notify(QString message);
+    void zoomChanged();
 
 public:
     explicit SettingsWidget(QWidget *parent = nullptr,QString engineCachePath = "",
@@ -88,6 +89,11 @@ private slots:
     void themeSwitchTimerTimeout();
     void on_useNativeFileDialog_toggled(bool checked);
 
+    void on_zoomPlus_clicked();
+    void on_zoomMinus_clicked();
+
+    void on_zoomReset_clicked();
+
 private:
     Ui::SettingsWidget *ui;
     QString engineCachePath,enginePersistentStoragePath;
diff --git a/src/settingswidget.ui b/src/settingswidget.ui
index 3f7e2d4..55f55a1 100644
--- a/src/settingswidget.ui
+++ b/src/settingswidget.ui
@@ -109,42 +109,6 @@ background:transparent;
          <string>General settings</string>
         </property>
         <layout class="QGridLayout" name="gridLayout_4">
-         <item row="12" column="0">
-          <layout class="QHBoxLayout" name="horizontalLayout_3">
-           <item>
-            <widget class="QLabel" name="label_4">
-             <property name="text">
-              <string>User Agent</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="userAgentLineEdit"/>
-           </item>
-           <item>
-            <widget class="QPushButton" name="setUserAgent">
-             <property name="text">
-              <string>  Set</string>
-             </property>
-             <property name="icon">
-              <iconset resource="icons.qrc">
-               <normaloff>:/icons/categories/utilities.png</normaloff>:/icons/categories/utilities.png</iconset>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QPushButton" name="defaultUserAgentButton">
-             <property name="text">
-              <string>  Default</string>
-             </property>
-             <property name="icon">
-              <iconset resource="icons.qrc">
-               <normaloff>:/icons/refresh-line.png</normaloff>:/icons/refresh-line.png</iconset>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </item>
          <item row="8" column="0">
           <layout class="QHBoxLayout" name="horizontalLayout">
            <item>
@@ -178,6 +142,101 @@ background:transparent;
            </item>
           </layout>
          </item>
+         <item row="5" column="0">
+          <layout class="QHBoxLayout" name="horizontalLayout_4">
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <item>
+            <widget class="QCheckBox" name="applock_checkbox">
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Enable application lock screen.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="text">
+              <string>Enable App Lock on Start</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLabel" name="current_password">
+             <property name="text">
+              <string>Current Password:</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item row="1" column="0">
+          <layout class="QGridLayout" name="gridLayout">
+           <item row="0" column="1">
+            <widget class="Line" name="line_3">
+             <property name="minimumSize">
+              <size>
+               <width>1</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>1</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="styleSheet">
+              <string notr="true">background-color: rgba(63, 129, 216, 48);</string>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="0">
+            <widget class="QCheckBox" name="notificationCheckBox">
+             <property name="text">
+              <string>Disable Notifications PopUp</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="2">
+            <widget class="QCheckBox" name="autoPlayMediaCheckBox">
+             <property name="text">
+              <string>Disable Auto Playback of Media</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="0">
+            <widget class="QCheckBox" name="muteAudioCheckBox">
+             <property name="text">
+              <string>Mute Audio from Page</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="2">
+            <layout class="QHBoxLayout" name="horizontalLayout_9">
+             <item>
+              <widget class="QLabel" name="label_14">
+               <property name="text">
+                <string>PopUp timeout</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QSpinBox" name="notificationTimeOutspinBox">
+               <property name="suffix">
+                <string> Secs</string>
+               </property>
+               <property name="minimum">
+                <number>2</number>
+               </property>
+               <property name="maximum">
+                <number>20</number>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+          </layout>
+         </item>
          <item row="4" column="0">
           <widget class="Line" name="line_2">
            <property name="minimumSize">
@@ -203,6 +262,17 @@ background:transparent;
            </property>
           </widget>
          </item>
+         <item row="3" column="0">
+          <layout class="QHBoxLayout" name="horizontalLayout_10">
+           <item>
+            <widget class="QCheckBox" name="useNativeFileDialog">
+             <property name="text">
+              <string>Use Native File Dialog</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
          <item row="2" column="0">
           <layout class="QHBoxLayout" name="horizontalLayout_5">
            <item>
@@ -296,25 +366,112 @@ background:transparent;
            </item>
           </layout>
          </item>
-         <item row="5" column="0">
-          <layout class="QHBoxLayout" name="horizontalLayout_4">
-           <property name="topMargin">
-            <number>0</number>
+         <item row="0" column="0">
+          <layout class="QHBoxLayout" name="horizontalLayout_11">
+           <item>
+            <widget class="QLabel" name="label_16">
+             <property name="text">
+              <string>Notification type</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QComboBox" name="notificationCombo">
+             <item>
+              <property name="text">
+               <string>Native notification</string>
+              </property>
+              <property name="icon">
+               <iconset resource="icons.qrc">
+                <normaloff>:/icons/categories/featured.png</normaloff>:/icons/categories/featured.png</iconset>
+              </property>
+             </item>
+             <item>
+              <property name="text">
+               <string>Customized notification</string>
+              </property>
+              <property name="icon">
+               <iconset resource="icons.qrc">
+                <normaloff>:/icons/categories/devices-and-iot.png</normaloff>:/icons/categories/devices-and-iot.png</iconset>
+              </property>
+             </item>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="tryNotification">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text">
+              <string>  Try</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/categories/science.png</normaloff>:/icons/categories/science.png</iconset>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item row="11" column="0">
+          <widget class="Line" name="line_4">
+           <property name="minimumSize">
+            <size>
+             <width>0</width>
+             <height>1</height>
+            </size>
            </property>
+           <property name="maximumSize">
+            <size>
+             <width>16777215</width>
+             <height>1</height>
+            </size>
+           </property>
+           <property name="styleSheet">
+            <string notr="true">background-color: rgba(63, 129, 216, 48);</string>
+           </property>
+           <property name="frameShadow">
+            <enum>QFrame::Raised</enum>
+           </property>
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+          </widget>
+         </item>
+         <item row="13" column="0">
+          <layout class="QHBoxLayout" name="horizontalLayout_3">
            <item>
-            <widget class="QCheckBox" name="applock_checkbox">
-             <property name="toolTip">
-              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Enable application lock screen.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+            <widget class="QLabel" name="label_4">
+             <property name="text">
+              <string>User Agent</string>
              </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLineEdit" name="userAgentLineEdit"/>
+           </item>
+           <item>
+            <widget class="QPushButton" name="setUserAgent">
              <property name="text">
-              <string>Enable App Lock on Start</string>
+              <string>  Set</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/categories/utilities.png</normaloff>:/icons/categories/utilities.png</iconset>
              </property>
             </widget>
            </item>
            <item>
-            <widget class="QLabel" name="current_password">
+            <widget class="QPushButton" name="defaultUserAgentButton">
              <property name="text">
-              <string>Current Password:</string>
+              <string>  Default</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/refresh-line.png</normaloff>:/icons/refresh-line.png</iconset>
              </property>
             </widget>
            </item>
@@ -369,60 +526,79 @@ background:transparent;
            </item>
           </layout>
          </item>
-         <item row="0" column="0">
-          <layout class="QHBoxLayout" name="horizontalLayout_11">
+         <item row="12" column="0">
+          <layout class="QHBoxLayout" name="horizontalLayout_12">
+           <property name="topMargin">
+            <number>0</number>
+           </property>
            <item>
-            <widget class="QLabel" name="label_16">
+            <widget class="QLabel" name="label_15">
              <property name="text">
-              <string>Notification type</string>
+              <string>Zoom factor</string>
              </property>
             </widget>
            </item>
            <item>
-            <widget class="QComboBox" name="notificationCombo">
-             <item>
-              <property name="text">
-               <string>Native notification</string>
-              </property>
-              <property name="icon">
-               <iconset resource="icons.qrc">
-                <normaloff>:/icons/categories/featured.png</normaloff>:/icons/categories/featured.png</iconset>
-              </property>
-             </item>
-             <item>
-              <property name="text">
-               <string>Customized notification</string>
-              </property>
-              <property name="icon">
-               <iconset resource="icons.qrc">
-                <normaloff>:/icons/categories/devices-and-iot.png</normaloff>:/icons/categories/devices-and-iot.png</iconset>
-              </property>
-             </item>
+            <widget class="QPushButton" name="zoomMinus">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="toolTip">
+              <string>Zoom Out</string>
+             </property>
+             <property name="text">
+              <string/>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/minus.png</normaloff>:/icons/minus.png</iconset>
+             </property>
             </widget>
            </item>
            <item>
-            <widget class="QPushButton" name="tryNotification">
+            <widget class="QDoubleSpinBox" name="zoomFactorSpinBox">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
+             <property name="readOnly">
+              <bool>true</bool>
+             </property>
+             <property name="buttonSymbols">
+              <enum>QAbstractSpinBox::NoButtons</enum>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="zoomPlus">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
              </property>
+             <property name="toolTip">
+              <string>Zoom In</string>
+             </property>
              <property name="text">
-              <string>  Try</string>
+              <string/>
              </property>
              <property name="icon">
               <iconset resource="icons.qrc">
-               <normaloff>:/icons/categories/science.png</normaloff>:/icons/categories/science.png</iconset>
+               <normaloff>:/icons/plus.png</normaloff>:/icons/plus.png</iconset>
              </property>
             </widget>
            </item>
-          </layout>
-         </item>
-         <item row="1" column="0">
-          <layout class="QGridLayout" name="gridLayout">
-           <item row="0" column="1">
-            <widget class="Line" name="line_3">
+           <item>
+            <widget class="Line" name="line_5">
              <property name="minimumSize">
               <size>
                <width>1</width>
@@ -438,89 +614,31 @@ background:transparent;
              <property name="styleSheet">
               <string notr="true">background-color: rgba(63, 129, 216, 48);</string>
              </property>
+             <property name="frameShadow">
+              <enum>QFrame::Raised</enum>
+             </property>
              <property name="orientation">
               <enum>Qt::Vertical</enum>
              </property>
             </widget>
            </item>
-           <item row="0" column="0">
-            <widget class="QCheckBox" name="notificationCheckBox">
-             <property name="text">
-              <string>Disable Notifications PopUp</string>
+           <item>
+            <widget class="QPushButton" name="zoomReset">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
              </property>
-            </widget>
-           </item>
-           <item row="1" column="2">
-            <widget class="QCheckBox" name="autoPlayMediaCheckBox">
-             <property name="text">
-              <string>Disable Auto Playback of Media</string>
+             <property name="toolTip">
+              <string>reset</string>
              </property>
-            </widget>
-           </item>
-           <item row="1" column="0">
-            <widget class="QCheckBox" name="muteAudioCheckBox">
              <property name="text">
-              <string>Mute Audio from Page</string>
+              <string/>
              </property>
-            </widget>
-           </item>
-           <item row="0" column="2">
-            <layout class="QHBoxLayout" name="horizontalLayout_9">
-             <item>
-              <widget class="QLabel" name="label_14">
-               <property name="text">
-                <string>PopUp timeout</string>
-               </property>
-              </widget>
-             </item>
-             <item>
-              <widget class="QSpinBox" name="notificationTimeOutspinBox">
-               <property name="suffix">
-                <string> Secs</string>
-               </property>
-               <property name="minimum">
-                <number>2</number>
-               </property>
-               <property name="maximum">
-                <number>20</number>
-               </property>
-              </widget>
-             </item>
-            </layout>
-           </item>
-          </layout>
-         </item>
-         <item row="11" column="0">
-          <widget class="Line" name="line_4">
-           <property name="minimumSize">
-            <size>
-             <width>0</width>
-             <height>1</height>
-            </size>
-           </property>
-           <property name="maximumSize">
-            <size>
-             <width>16777215</width>
-             <height>1</height>
-            </size>
-           </property>
-           <property name="styleSheet">
-            <string notr="true">background-color: rgba(63, 129, 216, 48);</string>
-           </property>
-           <property name="frameShadow">
-            <enum>QFrame::Raised</enum>
-           </property>
-           <property name="orientation">
-            <enum>Qt::Horizontal</enum>
-           </property>
-          </widget>
-         </item>
-         <item row="3" column="0">
-          <layout class="QHBoxLayout" name="horizontalLayout_10">
-           <item>
-            <widget class="QCheckBox" name="useNativeFileDialog">
-             <property name="text">
-              <string>Use Native File Dialog</string>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/arrow-go-back-line.png</normaloff>:/icons/arrow-go-back-line.png</iconset>
              </property>
             </widget>
            </item>