Merge pull request #5393 from Cacodemon345/qt-scroll-states

Caps/Num/Scroll LED states are now displayed

src/qt/qt_mainwindow.cpp

@@ -186,6 +186,43 @@ MainWindow::MainWindow(QWidget *parent)
     ui->menuEGA_S_VGA_settings->menuAction()->setMenuRole(QAction::NoRole);
     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->setPixmap(num_icon_off.pixmap(QSize(16, 16)));
+    statusBar()->addPermanentWidget(num_label);
+
+    caps_label = new QLabel;
+    caps_label->setPixmap(caps_icon_off.pixmap(QSize(16, 16)));
+    statusBar()->addPermanentWidget(caps_label);
+
+    scroll_label = new QLabel;
+    scroll_label->setPixmap(scroll_icon_off.pixmap(QSize(16, 16)));
+    statusBar()->addPermanentWidget(scroll_label);
+
+    QTimer* ledKeyboardTimer = new QTimer(this);
+    ledKeyboardTimer->setTimerType(Qt::CoarseTimer);
+    ledKeyboardTimer->setInterval(1);
+    connect(ledKeyboardTimer, &QTimer::timeout, this, [this] () {
+        uint8_t caps, num, scroll;
+        keyboard_get_states(&caps, &num, &scroll);
+
+        if (num_label->isVisible())
+            num_label->setPixmap(num ? this->num_icon.pixmap(QSize(16, 16)) : this->num_icon_off.pixmap(QSize(16, 16)));
+        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();
+
 #ifdef Q_OS_WINDOWS
     util::setWin11RoundedCorners(this->winId(), (hide_status_bar ? false : true));
 #endif
@@ -213,6 +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_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
+        scroll_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
+        caps_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
         while (QApplication::overrideCursor())
             QApplication::restoreOverrideCursor();
 #ifdef USE_WACOM
@@ -1455,6 +1495,10 @@ MainWindow::refreshMediaMenu()
     status->refresh(ui->statusbar);
     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_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
+    scroll_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
+    caps_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
 }
 
 void

src/qt/qt_mainwindow.hpp

@@ -5,7 +5,9 @@
 #include <QLabel>
 #include <QEvent>
 #include <QFocusEvent>
+#include <QLabel>
 #include <QShortcut>
+#include <QIcon>
 
 #include <memory>
 #include <array>
@@ -189,6 +191,10 @@ private:
     friend class RendererStack; // For UI variable access by non-primary renderer windows.
     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;
 };