Update input-sources schema

This is to add support for wayland and IM.

Author: mtwebster

schemas/org.cinnamon.desktop.input-sources.gschema.xml.in

@@ -10,6 +10,8 @@
         the current one in effect. The value is automatically capped
         to remain in the range [0, sources_length) as long as the
         sources list isn't empty.
+
+        DEPRECATED: This key is deprecated and ignored.
       </description>
     </key>
     <key name="sources" type="a(ss)">
@@ -42,5 +44,13 @@
         System Settings.
       </description>
     </key>
+    <key name="per-window" type="b">
+      <default>false</default>
+      <summary>Use different input sources for each window</summary>
+      <description>
+        When enabled, input sources get attached to the currently
+        focused window when activated.
+      </description>
+    </key>
   </schema>
 </schemalist>

schemas/org.cinnamon.desktop.keybindings.wm.gschema.xml.in

@@ -355,6 +355,15 @@
       <default><![CDATA[['XF86RotateWindows']]]></default>
       <summary>Rotates the built-in monitor configuration</summary>
     </key>
-
+    <key name="switch-input-source" type="as">
+      <default><![CDATA[['<Super>space','XF86Keyboard']]]></default>
+      <summary>Switch input source</summary>
+      <description>Binding to select the next input source</description>
+    </key>
+    <key name="switch-input-source-backward" type="as">
+      <default><![CDATA[['<Shift><Super>space','<Shift>XF86Keyboard']]]></default>
+      <summary>Switch input source backward</summary>
+      <description>Binding to select the previous input source</description>
+    </key>
   </schema>
 </schemalist>