Dark Mode

Desktop_Interface/mainwindow.cpp

@@ -31,6 +31,9 @@ MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow)
 {
+    defaultPalette = qApp->palette();
+    defaultStyleName = qApp->style()->objectName();
+
     QCoreApplication::setOrganizationName(kOrganisationName);
     QCoreApplication::setApplicationName(kApplicationName);
 
@@ -1247,6 +1250,12 @@ void MainWindow::readSettingsFile(){
         ui->actionShow_Range_Dialog_on_Main_Page->setChecked(true);
         on_actionShow_Range_Dialog_on_Main_Page_triggered(true);
     }
+
+    if(settings->value("DarkModeEnabled").toBool())
+    {
+        ui->actionDark_Mode->setChecked(true);
+        setDarkMode(true);
+    }
 #endif
 
     daq_num_to_average = settings->value("daq_defaultAverage", 1).toInt();
@@ -2511,3 +2520,50 @@ void MainWindow::on_actionHide_Widget_LogicAnalyzer_triggered(bool checked)
     ui->busSnifferGroup_CH2->setVisible(!checked);
     ui->digitalOutputGroup->setVisible(!checked);
 }
+
+// Thanks Medo
+// https://www.medo64.com/2020/08/dark-mode-for-qt-application/
+void MainWindow::setDarkMode(bool dark)
+{
+    if(dark)
+    {
+        qApp->setStyle(QStyleFactory::create("Fusion"));
+
+        QPalette newPalette;
+        newPalette.setColor(QPalette::Window,          QColor( 37,  37,  37));
+        newPalette.setColor(QPalette::WindowText,      QColor(212, 212, 212));
+        newPalette.setColor(QPalette::Base,            QColor( 60,  60,  60));
+        newPalette.setColor(QPalette::AlternateBase,   QColor( 45,  45,  45));
+        newPalette.setColor(QPalette::PlaceholderText, QColor(127, 127, 127));
+        newPalette.setColor(QPalette::Text,            QColor(212, 212, 212));
+        newPalette.setColor(QPalette::Button,          QColor( 45,  45,  45));
+        newPalette.setColor(QPalette::ButtonText,      QColor(212, 212, 212));
+        newPalette.setColor(QPalette::BrightText,      QColor(240, 240, 240));
+        newPalette.setColor(QPalette::Highlight,       QColor( 38,  79, 120));
+        newPalette.setColor(QPalette::HighlightedText, QColor(240, 240, 240));
+
+        newPalette.setColor(QPalette::Light,           QColor( 60,  60,  60));
+        newPalette.setColor(QPalette::Midlight,        QColor( 52,  52,  52));
+        newPalette.setColor(QPalette::Dark,            QColor( 30,  30,  30) );
+        newPalette.setColor(QPalette::Mid,             QColor( 37,  37,  37));
+        newPalette.setColor(QPalette::Shadow,          QColor( 0,    0,   0));
+
+        newPalette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
+
+        qApp->setPalette(newPalette);
+    }
+    else
+    {
+        qApp->setStyle(defaultStyleName);
+        qApp->setPalette(defaultPalette);
+    }
+
+    QSettings settings;
+    settings.setValue("DarkModeEnabled", dark);
+}
+
+
+void MainWindow::on_actionDark_Mode_triggered(bool checked)
+{
+    setDarkMode(checked);
+}

Desktop_Interface/mainwindow.h

@@ -227,6 +227,8 @@ private slots:
 
     void on_actionHide_Widget_LogicAnalyzer_triggered(bool checked);
 
+    void on_actionDark_Mode_triggered(bool checked);
+
 private:
     //Generic Vars
     Ui::MainWindow *ui;
@@ -247,12 +249,16 @@ private:
     QSettings *settings;
 	bool calibrationCanceled = false;
 
+    QPalette defaultPalette;
+    QString defaultStyleName;
+
     //Generic Functions
     void initialisePlot();
     void labelPsu();
     void menuSetup();
     void initShortcuts();
     void readSettingsFile();
+    void setDarkMode(bool dark);
 
     //Shortcut pointers
     QActionGroup *gainGroup;

Desktop_Interface/ui_elements/deviceconnecteddisplay.cpp

@@ -1,21 +1,22 @@
 #include "deviceconnecteddisplay.h"
 #include "platformspecific.h"
+#include <QApplication>
 
 deviceConnectedDisplay::deviceConnectedDisplay(QWidget *parent) : QLabel(parent)
 {
-    this->setText("Device Not Connected!");
-    this->setStyleSheet("QLabel { color:red; }");
+    setText("Device Not Connected!");
+    setStyleSheet("QLabel { color:red; }");
 }
 
 void deviceConnectedDisplay::connectedStatusChanged(bool status){
     qDebug() << "deviceConnectedDisplay::connectedStatusChanged running!";
     if(status){
-        this->setText("Device Connected");
-        this->setStyleSheet("QLabel { color:black; }");
+        setText("Device Connected");
+        setStyleSheet("");
     }
     else{
-        this->setText("Device Not Connected!");
-        this->setStyleSheet("QLabel { color:red; }");
+        setText("Device Not Connected!");
+        setStyleSheet("QLabel { color:red; }");
     }
     #ifdef PLATFORM_ANDROID
         this->setVisible(!status);
@@ -24,6 +25,6 @@ void deviceConnectedDisplay::connectedStatusChanged(bool status){
 
 void deviceConnectedDisplay::flashingFirmware(void){
     qDebug() << "deviceConnectedDisplay::flashingFirmware";
-    this->setText("Flashing Device Firmware");
-    this->setStyleSheet("QLabel { color:green; }");
+    setText("Flashing Device Firmware");
+    setStyleSheet("QLabel { color:green; }");
 }

Desktop_Interface/ui_files_desktop/mainwindow.ui

@@ -1797,6 +1797,12 @@
     <addaction name="separator"/>
     <addaction name="actionHide_Widget_SignalGen"/>
    </widget>
+   <widget class="QMenu" name="menuAccessibility">
+    <property name="title">
+     <string>Accessibility</string>
+    </property>
+    <addaction name="actionDark_Mode"/>
+   </widget>
    <addaction name="menuFile"/>
    <addaction name="menuOscilloscope_2"/>
    <addaction name="menuSignal_Generator"/>
@@ -1805,6 +1811,7 @@
    <addaction name="menuPower_Supply"/>
    <addaction name="menuConnection_Type"/>
    <addaction name="menuHelp"/>
+   <addaction name="menuAccessibility"/>
   </widget>
   <action name="actionGainAuto">
    <property name="checkable">
@@ -2629,6 +2636,14 @@
     <string>Hide Widget</string>
    </property>
   </action>
+  <action name="actionDark_Mode">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Dark Mode</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>