From 85a94516f75f7c898d6c2cfd456c2aee97668175 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Thu, 27 Mar 2025 16:31:32 +0600
Subject: [PATCH 1/5] Caps/Num/Scroll LED states are now displayed

---
 src/device/keyboard.c    | 15 +++++++++------
 src/device/keyboard_at.c |  3 +++
 src/qt/qt_mainwindow.cpp | 33 +++++++++++++++++++++++++++++++++
 src/qt/qt_mainwindow.hpp |  3 +++
 4 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/src/device/keyboard.c b/src/device/keyboard.c
index a00968cf7..aa9aba3c6 100644
--- a/src/device/keyboard.c
+++ b/src/device/keyboard.c
@@ -72,9 +72,9 @@ static int keydelay[512];
 #endif
 static scancode *scan_table; /* scancode table for keyboard */
 
-static uint8_t caps_lock   = 0;
-static uint8_t num_lock    = 0;
-static uint8_t scroll_lock = 0;
+static volatile uint8_t caps_lock   = 0;
+static volatile uint8_t num_lock    = 0;
+static volatile uint8_t scroll_lock = 0;
 static uint8_t shift       = 0;
 
 static int key5576mode = 0;
@@ -318,13 +318,16 @@ keyboard_input(int down, uint16_t scan)
                     shift &= ~0x80;
                     break;
                 case 0x03a: /* Caps Lock */
-                    caps_lock ^= 1;
+                    if (!(machine_has_bus(machine, MACHINE_AT) > 0))
+                        caps_lock ^= 1;
                     break;
                 case 0x045:
-                    num_lock ^= 1;
+                    if (!(machine_has_bus(machine, MACHINE_AT) > 0))
+                        num_lock ^= 1;
                     break;
                 case 0x046:
-                    scroll_lock ^= 1;
+                    if (!(machine_has_bus(machine, MACHINE_AT) > 0))
+                        scroll_lock ^= 1;
                     break;
 
                 default:
diff --git a/src/device/keyboard_at.c b/src/device/keyboard_at.c
index e61b8547a..c5f73459b 100644
--- a/src/device/keyboard_at.c
+++ b/src/device/keyboard_at.c
@@ -3476,6 +3476,7 @@ keyboard_at_bat(void *priv)
 
         keyboard_scan = 1;
 
+        keyboard_update_states(0, 0, 0);
         kbc_at_dev_queue_add(dev, 0xaa, 0);
     } else {
         bat_counter--;
@@ -3510,6 +3511,7 @@ keyboard_at_write(void *priv)
         switch (dev->command) {
             case 0xed: /* Set/reset LEDs */
                 kbc_at_dev_queue_add(dev, 0xfa, 0);
+                keyboard_update_states(!!(val & 0x4), !!(val & 0x2), val & 0x1);
                 keyboard_at_log("%s: Set/reset LEDs [%02X]\n", dev->name, val);
                 break;
 
@@ -3762,6 +3764,7 @@ keyboard_at_init(const device_t *info)
 
     if (dev->port != NULL) {
         kbc_at_dev_reset(dev, 0);
+        keyboard_update_states(0, 0, 0);
         bat_counter = 0x0000;
     }
 
diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index b3d0d9fa9..9f63bf297 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -184,6 +184,32 @@ MainWindow::MainWindow(QWidget *parent)
     ui->menuEGA_S_VGA_settings->menuAction()->setMenuRole(QAction::NoRole);
     ui->stackedWidget->setMouseTracking(true);
     statusBar()->setVisible(!hide_status_bar);
+
+    num_label = new QLabel;
+    num_label->setText(" NUM ");
+    statusBar()->addPermanentWidget(num_label);
+
+    scroll_label = new QLabel;
+    scroll_label->setText(" SCRL ");
+    statusBar()->addPermanentWidget(scroll_label);
+
+    caps_label = new QLabel;
+    caps_label->setText(" CAPS ");
+    statusBar()->addPermanentWidget(caps_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);
+        
+        num_label->setStyleSheet(num ? "QLabel { background: green; }" : "");
+        caps_label->setStyleSheet(caps ? "QLabel { background: green; }" : "");
+        scroll_label->setStyleSheet(scroll ? "QLabel { background: green; }" : "");
+    });
+    ledKeyboardTimer->start();
+
 #ifdef Q_OS_WINDOWS
     util::setWin11RoundedCorners(this->winId(), (hide_status_bar ? false : true));
 #endif
@@ -211,6 +237,9 @@ 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);
+        scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+        caps_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
         while (QApplication::overrideCursor())
             QApplication::restoreOverrideCursor();
 #ifdef USE_WACOM
@@ -1306,6 +1335,10 @@ 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_AT) > 0);
+    scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
+    caps_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
 }
 
 void
diff --git a/src/qt/qt_mainwindow.hpp b/src/qt/qt_mainwindow.hpp
index f1c6cadf6..06a739dd8 100644
--- a/src/qt/qt_mainwindow.hpp
+++ b/src/qt/qt_mainwindow.hpp
@@ -5,6 +5,7 @@
 #include <QLabel>
 #include <QEvent>
 #include <QFocusEvent>
+#include <QLabel>
 
 #include <memory>
 #include <array>
@@ -184,6 +185,8 @@ 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;
+
     
     bool isShowMessage = false;
 };

From 81e6b2a40a292474a03a2e1df38f774f53277f5d Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Thu, 27 Mar 2025 16:58:42 +0600
Subject: [PATCH 2/5] Correct the order

---
 src/qt/qt_mainwindow.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index 9f63bf297..3ee8d61b4 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/src/qt/qt_mainwindow.cpp
@@ -189,14 +189,14 @@ MainWindow::MainWindow(QWidget *parent)
     num_label->setText(" NUM ");
     statusBar()->addPermanentWidget(num_label);
 
-    scroll_label = new QLabel;
-    scroll_label->setText(" SCRL ");
-    statusBar()->addPermanentWidget(scroll_label);
-
     caps_label = new QLabel;
     caps_label->setText(" CAPS ");
     statusBar()->addPermanentWidget(caps_label);
 
+    scroll_label = new QLabel;
+    scroll_label->setText(" SCRL ");
+    statusBar()->addPermanentWidget(scroll_label);
+
     QTimer* ledKeyboardTimer = new QTimer(this);
     ledKeyboardTimer->setTimerType(Qt::CoarseTimer);
     ledKeyboardTimer->setInterval(1);

From 8861741945404350589613bbe2ab4157c0f30c8c Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Fri, 28 Mar 2025 00:10:16 +0600
Subject: [PATCH 3/5] Some needed changes for hard resets

---
 src/86box.c              | 3 +++
 src/device/keyboard.c    | 2 +-
 src/device/keyboard_at.c | 4 +++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/86box.c b/src/86box.c
index 2b6e1ba9f..57faa89c1 100644
--- a/src/86box.c
+++ b/src/86box.c
@@ -1301,6 +1301,9 @@ pc_reset_hard_init(void)
     /* Mark ACPI as unavailable */
     acpi_enabled = 0;
 
+    /* Reset all keyboard indicators */
+    keyboard_update_states(0, 0, 0);
+
     /* Reset the general machine support modules. */
     io_init();
 
diff --git a/src/device/keyboard.c b/src/device/keyboard.c
index aa9aba3c6..7666b0e70 100644
--- a/src/device/keyboard.c
+++ b/src/device/keyboard.c
@@ -75,7 +75,7 @@ static scancode *scan_table; /* scancode table for keyboard */
 static volatile uint8_t caps_lock   = 0;
 static volatile uint8_t num_lock    = 0;
 static volatile uint8_t scroll_lock = 0;
-static uint8_t shift       = 0;
+static uint8_t shift                = 0;
 
 static int key5576mode = 0;
 
diff --git a/src/device/keyboard_at.c b/src/device/keyboard_at.c
index c5f73459b..605f51e90 100644
--- a/src/device/keyboard_at.c
+++ b/src/device/keyboard_at.c
@@ -3764,12 +3764,12 @@ keyboard_at_init(const device_t *info)
 
     if (dev->port != NULL) {
         kbc_at_dev_reset(dev, 0);
-        keyboard_update_states(0, 0, 0);
         bat_counter = 0x0000;
     }
 
     keyboard_send = add_data_kbd;
     SavedKbd = dev;
+    keyboard_update_states(0, 0, 0);
 
     inv_cmd_response = (dev->type & FLAG_PS2) ? 0xfe : 0xfa;
 
@@ -3788,6 +3788,8 @@ keyboard_at_close(void *priv)
     /* Disable the scancode maps. */
     keyboard_set_table(NULL);
 
+    keyboard_update_states(0, 0, 0);
+
     SavedKbd = NULL;
 
     free(dev);

From 7e3cf32dcacc9b6af1b709c78323cbb3e6fd9cf0 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Fri, 28 Mar 2025 00:15:06 +0600
Subject: [PATCH 4/5] Remove some no-more-needed changes

---
 src/86box.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/86box.c b/src/86box.c
index 57faa89c1..2b6e1ba9f 100644
--- a/src/86box.c
+++ b/src/86box.c
@@ -1301,9 +1301,6 @@ pc_reset_hard_init(void)
     /* Mark ACPI as unavailable */
     acpi_enabled = 0;
 
-    /* Reset all keyboard indicators */
-    keyboard_update_states(0, 0, 0);
-
     /* Reset the general machine support modules. */
     io_init();
 

From 3d233fc4b44b9881df2b03f9289862a57707d3f3 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Tue, 6 May 2025 13:06:44 +0600
Subject: [PATCH 5/5] Use icons for the indicators

---
 src/qt/icons/caps_lock_off.ico   | Bin 0 -> 9622 bytes
 src/qt/icons/caps_lock_on.ico    | Bin 0 -> 9622 bytes
 src/qt/icons/kana_lock_off.ico   | Bin 0 -> 9622 bytes
 src/qt/icons/kana_lock_on.ico    | Bin 0 -> 9622 bytes
 src/qt/icons/num_lock_off.ico    | Bin 0 -> 9622 bytes
 src/qt/icons/num_lock_on.ico     | Bin 0 -> 9622 bytes
 src/qt/icons/scroll_lock_off.ico | Bin 0 -> 9622 bytes
 src/qt/icons/scroll_lock_on.ico  | Bin 0 -> 9622 bytes
 src/qt/qt_mainwindow.cpp         |  37 ++++++++++++++++++++-----------
 src/qt/qt_mainwindow.hpp         |   3 +++
 src/qt_resources.qrc             |   8 +++++++
 11 files changed, 35 insertions(+), 13 deletions(-)
 create mode 100644 src/qt/icons/caps_lock_off.ico
 create mode 100644 src/qt/icons/caps_lock_on.ico
 create mode 100644 src/qt/icons/kana_lock_off.ico
 create mode 100644 src/qt/icons/kana_lock_on.ico
 create mode 100644 src/qt/icons/num_lock_off.ico
 create mode 100644 src/qt/icons/num_lock_on.ico
 create mode 100644 src/qt/icons/scroll_lock_off.ico
 create mode 100644 src/qt/icons/scroll_lock_on.ico

diff --git a/src/qt/icons/caps_lock_off.ico b/src/qt/icons/caps_lock_off.ico
new file mode 100644
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GIT binary patch
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diff --git a/src/qt/icons/caps_lock_on.ico b/src/qt/icons/caps_lock_on.ico
new file mode 100644
index 0000000000000000000000000000000000000000..2cfd48aad89a675dcc6f90986993eeabfd8fe820
GIT binary patch
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HcmV?d00001

diff --git a/src/qt/icons/kana_lock_off.ico b/src/qt/icons/kana_lock_off.ico
new file mode 100644
index 0000000000000000000000000000000000000000..27c9b88c25d39dde2f48fe5fbf5283fec9dd1541
GIT binary patch
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z6C?)0AT`)9wd{wPjokJG*$)%PMN`{;Sib-i0HgNf3U!3|a0~wdOMkF3AHDpAiQ_1T
zsS*C5{0&O)_%N=#Kn?prsR^GOaM=yk2OZnSTK~i9UJ#8V{6J>FFg7>fvm2z3TK)%_
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J2H6R+8vt4;^acO`

literal 0
HcmV?d00001

diff --git a/src/qt/qt_mainwindow.cpp b/src/qt/qt_mainwindow.cpp
index aee23b18d..905a100f4 100644
--- a/src/qt/qt_mainwindow.cpp
+++ b/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);
@@ -205,10 +213,13 @@ MainWindow::MainWindow(QWidget *parent)
     connect(ledKeyboardTimer, &QTimer::timeout, this, [this] () {
         uint8_t caps, num, scroll;
         keyboard_get_states(&caps, &num, &scroll);
-        
-        num_label->setStyleSheet(num ? "QLabel { background: green; }" : "");
-        caps_label->setStyleSheet(caps ? "QLabel { background: green; }" : "");
-        scroll_label->setStyleSheet(scroll ? "QLabel { background: green; }" : "");
+
+        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();
 
@@ -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);
-        scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
-        caps_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_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
@@ -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);
-    scroll_label->setVisible(machine_has_bus(machine, MACHINE_AT) > 0);
-    caps_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_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
+    caps_label->setVisible(machine_has_bus(machine, MACHINE_BUS_PS2_PORTS | MACHINE_BUS_AT_KBD));
 }
 
 void
diff --git a/src/qt/qt_mainwindow.hpp b/src/qt/qt_mainwindow.hpp
index 2ba29c128..421b9ce15 100644
--- a/src/qt/qt_mainwindow.hpp
+++ b/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;
 };
diff --git a/src/qt_resources.qrc b/src/qt_resources.qrc
index bc553ac61..a5963c152 100644
--- a/src/qt_resources.qrc
+++ b/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>