Use icons for the indicators

src/qt/qt_mainwindow.cpp

@@ -187,16 +187,24 @@ MainWindow::MainWindow(QWidget *parent)
     ui->stackedWidget->setMouseTracking(true);
     statusBar()->setVisible(!hide_status_bar);
 
+    num_icon = QIcon(":/settings/qt/icons/num_lock_on.ico");
+    num_icon_off = QIcon(":/settings/qt/icons/num_lock_off.ico");
+    scroll_icon = QIcon(":/settings/qt/icons/scroll_lock_on.ico");
+    scroll_icon_off = QIcon(":/settings/qt/icons/scroll_lock_off.ico");
+    caps_icon = QIcon(":/settings/qt/icons/caps_lock_on.ico");
+    caps_icon_off = QIcon(":/settings/qt/icons/caps_lock_off.ico");
+    /* TODO: Add Kana indicator here after the keyboard type work is done. */
+
     num_label = new QLabel;
-    num_label->setText(" NUM ");
+    num_label->setPixmap(num_icon_off.pixmap(QSize(16, 16)));
     statusBar()->addPermanentWidget(num_label);
 
     caps_label = new QLabel;
-    caps_label->setText(" CAPS ");
+    caps_label->setPixmap(caps_icon_off.pixmap(QSize(16, 16)));
     statusBar()->addPermanentWidget(caps_label);
 
     scroll_label = new QLabel;
-    scroll_label->setText(" SCRL ");
+    scroll_label->setPixmap(scroll_icon_off.pixmap(QSize(16, 16)));
     statusBar()->addPermanentWidget(scroll_label);
 
     QTimer* ledKeyboardTimer = new QTimer(this);
@@ -206,9 +214,12 @@ MainWindow::MainWindow(QWidget *parent)
         uint8_t caps, num, scroll;
         keyboard_get_states(&caps, &num, &scroll);
 
-        num_label->setStyleSheet(num ? "QLabel { background: green; }" : "");
+        if (num_label->isVisible())
-        caps_label->setStyleSheet(caps ? "QLabel { background: green; }" : "");
+            num_label->setPixmap(num ? this->num_icon.pixmap(QSize(16, 16)) : this->num_icon_off.pixmap(QSize(16, 16)));
-        scroll_label->setStyleSheet(scroll ? "QLabel { background: green; }" : "");
+        if (caps_label->isVisible())
+            caps_label->setPixmap(caps ? this->caps_icon.pixmap(QSize(16, 16)) : this->caps_icon_off.pixmap(QSize(16, 16)));
+        if (scroll_label->isVisible())
+            scroll_label->setPixmap(scroll ? this->scroll_icon.pixmap(QSize(16, 16)) : this->scroll_icon_off.pixmap(QSize(16, 16)));
     });
     ledKeyboardTimer->start();
 
@@ -239,9 +250,9 @@ MainWindow::MainWindow(QWidget *parent)
 
     connect(this, &MainWindow::hardResetCompleted, this, [this]() {
         ui->actionMCA_devices->setVisible(machine_has_bus(machine, MACHINE_BUS_MCA));
-        num_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+        num_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
-        scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+        scroll_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
-        caps_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+        caps_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
         while (QApplication::overrideCursor())
             QApplication::restoreOverrideCursor();
 #ifdef USE_WACOM
@@ -1485,9 +1496,9 @@ MainWindow::refreshMediaMenu()
     ui->actionMCA_devices->setVisible(machine_has_bus(machine, MACHINE_BUS_MCA));
     ui->actionACPI_Shutdown->setEnabled(!!acpi_enabled);
 
-    num_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+    num_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
-    scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+    scroll_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
-    caps_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+    caps_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
 }
 
 void

src/qt/qt_mainwindow.hpp

@@ -7,6 +7,7 @@
 #include <QFocusEvent>
 #include <QLabel>
 #include <QShortcut>
+#include <QIcon>
 
 #include <memory>
 #include <array>
@@ -191,6 +192,8 @@ private:
     friend class WindowsRawInputFilter; // Needed to reload renderers on style sheet changes.
 
     QLabel *caps_label, *scroll_label, *num_label;
+    QIcon caps_icon, scroll_icon, num_icon;
+    QIcon caps_icon_off, scroll_icon_off, num_icon_off;
 
     bool isShowMessage = false;
 };

src/qt_resources.qrc

@@ -34,6 +34,14 @@
         <file>qt/icons/86Box-green.ico</file>
         <file>qt/icons/86Box-red.ico</file>
         <file>qt/icons/86Box-yellow.ico</file>
+        <file>qt/icons/caps_lock_off.ico</file>
+        <file>qt/icons/caps_lock_on.ico</file>
+        <file>qt/icons/kana_lock_off.ico</file>
+        <file>qt/icons/kana_lock_on.ico</file>
+        <file>qt/icons/num_lock_off.ico</file>
+        <file>qt/icons/num_lock_on.ico</file>
+        <file>qt/icons/scroll_lock_off.ico</file>
+        <file>qt/icons/scroll_lock_on.ico</file>
     </qresource>
     <qresource prefix="/menuicons">
         <file>qt/icons/acpi_shutdown.ico</file>