Add evdev support for FreeBSD

FreeBSD 12 has evdev implementation dropin-compatible with Linux's
/dev/input. Add #ifdef wrappers around platform-specific headers.

Change-Id: Ia50c3f2d2e9f0f3689a92e327305d5e7547e9407
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

config.tests/unix/evdev/evdev.cpp

@@ -37,8 +37,12 @@
 **
 ****************************************************************************/
 
+#if defined(__FreeBSD__)
+#include <dev/evdev/input.h>
+#else
 #include <linux/input.h>
 #include <linux/kd.h>
+#endif
 
 enum {
     e1 = ABS_PRESSURE,

src/platformsupport/devicediscovery/qdevicediscovery_static.cpp

@@ -47,7 +47,11 @@
 #include <QLoggingCategory>
 #include <QtCore/private/qcore_unix_p.h>
 
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include <linux/input.h>
+#endif
 #include <fcntl.h>
 
 /* android (and perhaps some other linux-derived stuff) don't define everything

src/platformsupport/input/evdevkeyboard/qevdevkeyboard_defaultmap_p.h

@@ -52,7 +52,11 @@
 //
 
 #include "qnamespace.h"
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include "linux/input.h"
+#endif
 
 // no QT_BEGIN_NAMESPACE, since we include it internally...
 

src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler.cpp

@@ -49,7 +49,11 @@
 #include <qpa/qwindowsysteminterface.h>
 #include <private/qcore_unix_p.h>
 
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include <linux/input.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 

src/platformsupport/input/evdevmouse/qevdevmousehandler.cpp

@@ -53,8 +53,12 @@
 
 #include <errno.h>
 
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include <linux/kd.h>
 #include <linux/input.h>
+#endif
 
 #define TEST_BIT(array, bit)    (array[bit/8] & (1<<(bit%8)))
 

src/platformsupport/input/evdevtablet/qevdevtablethandler.cpp

@@ -45,7 +45,11 @@
 #include <QLoggingCategory>
 #include <QtCore/private/qcore_unix_p.h>
 #include <qpa/qwindowsysteminterface.h>
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include <linux/input.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 

src/platformsupport/input/evdevtouch/qevdevtouchhandler.cpp

@@ -48,7 +48,11 @@
 #include <QtCore/private/qcore_unix_p.h>
 #include <QtGui/private/qhighdpiscaling_p.h>
 #include <QtGui/private/qguiapplication_p.h>
+#ifdef Q_OS_FREEBSD
+#include <dev/evdev/input.h>
+#else
 #include <linux/input.h>
+#endif
 
 #if QT_CONFIG(mtdev)
 extern "C" {