Keyboard (Haiku): add support

CMakeLists.txt

@@ -1149,7 +1149,7 @@ elseif(Haiku)
         src/detection/host/host_windows.c
         src/detection/icons/icons_nosupport.c
         src/detection/initsystem/initsystem_haiku.cpp
-        src/detection/keyboard/keyboard_nosupport.c
+        src/detection/keyboard/keyboard_haiku.cpp
         src/detection/libc/libc_nosupport.c
         src/detection/lm/lm_nosupport.c
         src/detection/loadavg/loadavg_nosupport.c

src/detection/keyboard/keyboard_haiku.cpp

@@ -0,0 +1,36 @@
+extern "C" {
+#include "keyboard.h"
+#include "common/io/io.h"
+}
+
+#include <interface/Input.h>
+#include <support/List.h>
+
+const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */)
+{
+    BList list;
+    BInputDevice *device;
+
+    if (get_input_devices(&list) != B_OK)
+    {
+        return "get_input_devices() failed";
+    }
+
+    int32 i, n = list.CountItems();
+    for (i = 0; i < n; i++)
+    {
+        device = (BInputDevice *) list.ItemAt(i);
+        if (device->Type() != B_KEYBOARD_DEVICE)
+            continue;
+
+        FF_STRBUF_AUTO_DESTROY name = ffStrbufCreateS(device->Name());
+        if (!device->IsRunning())
+            ffStrbufAppendS(&name, " (stopped)");
+
+        FFKeyboardDevice* device = (FFKeyboardDevice*) ffListAdd(devices);
+        ffStrbufInit(&device->serial);
+        ffStrbufInitMove(&device->name, &name);
+    }
+
+    return NULL;
+}