Make gdk-x11 optional

cmake/FindGDK3.cmake

@@ -24,6 +24,17 @@ if(GDK3_FOUND AND NOT GDK3_VERSION)
     endif()
 endif()
 
+if(GDK3_FOUND)
+    find_path(GDK3_INCLUDE_DIR "gdk/gdk.h" HINTS ${GDK3_INCLUDE_DIRS})
+    unset(GDK3_WITH_X11)
+
+    if(GDK3_INCLUDE_DIR)
+        if(EXISTS "${GDK3_INCLUDE_DIR}/gdk/gdkx.h")
+            set(GDK3_WITH_X11 yes)
+        endif()
+    endif()
+endif()
+
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(GDK3
     FOUND_VAR GDK3_FOUND

main/CMakeLists.txt

@@ -57,6 +57,14 @@ compile_gresources(
     SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/data
 )
 
+unset(MAIN_EXTRA_OPTIONS)
+unset(MAIN_EXTRA_PACKAGES)
+find_package(GDK3)
+if(GDK3_WITH_X11)
+    set(MAIN_EXTRA_OPTIONS ${MAIN_EXTRA_OPTIONS} -D GDK3_WITH_X11)
+    set(MAIN_EXTRA_PACKAGES ${MAIN_EXTRA_PACKAGES} gdk-x11-3.0)
+endif(GDK3_WITH_X11)
+
 vala_precompile(MAIN_VALA_C
 SOURCES
     src/main.vala
@@ -107,9 +115,11 @@ CUSTOM_VAPIS
     ${CMAKE_BINARY_DIR}/exports/dino_internal.vapi
 PACKAGES
     ${MAIN_PACKAGES}
-    gdk-x11-3.0
+    ${MAIN_EXTRA_PACKAGES}
 GRESOURCES
     ${MAIN_GRESOURCES_XML}
+OPTIONS
+    ${MAIN_EXTRA_OPTIONS}
 )
 
 add_definitions(${VALA_CFLAGS} -DGETTEXT_PACKAGE=\"${GETTEXT_PACKAGE}\" -DLOCALE_INSTALL_DIR=\"${LOCALE_INSTALL_DIR}\")

main/src/ui/notifications.vala

@@ -36,12 +36,16 @@ public class Notifications : Object {
             notifications[conversation].set_hint("transient", true);
             notifications[conversation].add_action("default", "Open", () => {
                 conversation_selected(conversation);
+#if GDK3_WITH_X11
                 Gdk.X11.Window x11window = window.get_window() as Gdk.X11.Window;
                 if (x11window != null) {
                     window.present_with_time(Gdk.X11.get_server_time(x11window));
                 } else {
                     window.present();
                 }
+#else
+                window.present();
+#endif
             });
         }
         if (!stream_interactor.get_module(ChatInteraction.IDENTITY).is_active_focus()) {