Raise minimum libinput version to 1.2

Now provided on build.kde.org, thus let's properly depend on it and
remove the ifdef.

CMakeLists.txt

@@ -164,7 +164,7 @@ set_package_properties(XKB PROPERTIES
                        PURPOSE "Required for building KWin with Wayland support"
                       )
 
-find_package(Libinput 0.10)
+find_package(Libinput 1.2)
 set_package_properties(Libinput PROPERTIES TYPE OPTIONAL PURPOSE "Required for input handling on Wayland.")
 
 find_package(UDev)
@@ -182,13 +182,6 @@ if (UDEV_FOUND)
     set(HAVE_UDEV TRUE)
 endif()
 
-set(HAVE_LIBINPUT_1_2 FALSE)
-if (Libinput_FOUND)
-    if (NOT (Libinput_VERSION VERSION_LESS "1.2"))
-        set(HAVE_LIBINPUT_1_2 TRUE)
-    endif()
-endif()
-
 find_package(Libdrm)
 set_package_properties(Libdrm PROPERTIES TYPE OPTIONAL PURPOSE "Required for drm output on Wayland.")
 set(HAVE_DRM FALSE)

autotests/libinput/device_test.cpp

@@ -151,13 +151,8 @@ void TestLibinputDevice::testDeviceType()
     QCOMPARE(d.property("touch").toBool(), touch);
     QCOMPARE(d.isTabletPad(), false);
     QCOMPARE(d.property("tabletPad").toBool(), false);
-#if HAVE_LIBINPUT_1_2
     QCOMPARE(d.isTabletTool(), tabletTool);
     QCOMPARE(d.property("tabletTool").toBool(), tabletTool);
-#else
-    QCOMPARE(d.isTabletTool(), false);
-    QCOMPARE(d.property("tabletTool").toBool(), false);
-#endif
 
     QCOMPARE(d.device(), &device);
 }

autotests/libinput/mock_libinput.cpp

@@ -39,10 +39,8 @@ int libinput_device_has_capability(struct libinput_device *device, enum libinput
         return device->touch;
     case LIBINPUT_DEVICE_CAP_GESTURE:
         return device->gestureSupported;
-#if HAVE_LIBINPUT_1_2
     case LIBINPUT_DEVICE_CAP_TABLET_TOOL:
         return device->tabletTool;
-#endif
     default:
         return 0;
     }

config-kwin.h.cmake

@@ -10,7 +10,6 @@
 #define KWIN_RULES_DIALOG_BIN "${CMAKE_INSTALL_FULL_LIBEXECDIR}/kwin_rules_dialog"
 #define KWIN_XCLIPBOARD_SYNC_BIN "${CMAKE_INSTALL_FULL_LIBEXECDIR}/org_kde_kwin_xclipboard_syncer"
 #cmakedefine01 HAVE_INPUT
-#cmakedefine01 HAVE_LIBINPUT_1_2
 #cmakedefine01 HAVE_X11_XCB
 #cmakedefine01 HAVE_X11_XINPUT
 #cmakedefine01 HAVE_DRM

libinput/device.cpp

@@ -75,11 +75,7 @@ Device::Device(libinput_device *device, QObject *parent)
     , m_keyboard(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_KEYBOARD))
     , m_pointer(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_POINTER))
     , m_touch(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TOUCH))
-#if HAVE_LIBINPUT_1_2
     , m_tabletTool(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TABLET_TOOL))
-#else
-    , m_tabletTool(false)
-#endif
 #if 0
     // next libinput version
     , m_tabletPad(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_TABLET_PAD))