[gnome-games/wip/exalm/ds-popover: 25/30] Handle quick switch manually

[Alexander Mikhaylenko <alexm src gnome org>]

commit d40e1abab51e96770882441a44fc3a59bfa89861
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Wed Jan 9 01:13:58 2019 +0500

    Handle quick switch manually

 .../data/org.gnome.Games.plugins.nintendo-ds.gschema.xml   |  5 +++++
 plugins/nintendo-ds/src/nintendo-ds-runner.vala            | 14 +++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/plugins/nintendo-ds/data/org.gnome.Games.plugins.nintendo-ds.gschema.xml 
b/plugins/nintendo-ds/data/org.gnome.Games.plugins.nintendo-ds.gschema.xml
index 8e170f63..230e5398 100644
--- a/plugins/nintendo-ds/data/org.gnome.Games.plugins.nintendo-ds.gschema.xml
+++ b/plugins/nintendo-ds/data/org.gnome.Games.plugins.nintendo-ds.gschema.xml
@@ -11,5 +11,10 @@
       <summary>Screen layout</summary>
       <description>Screen layout for Nintendo DS games. Allowed values are: “top/bottom”, “left/right”, 
“right/left” and “quick switch”.</description>
     </key>
+    <key name='view-bottom-screen' type="b">
+      <default>false</default>
+      <summary>View bottom screen</summary>
+      <description>Whether to view top or bottom screen in quick switch mode.</description>
+    </key>
   </schema>
 </schemalist>
diff --git a/plugins/nintendo-ds/src/nintendo-ds-runner.vala b/plugins/nintendo-ds/src/nintendo-ds-runner.vala
index 48dd4d39..dd433883 100644
--- a/plugins/nintendo-ds/src/nintendo-ds-runner.vala
+++ b/plugins/nintendo-ds/src/nintendo-ds-runner.vala
@@ -39,7 +39,7 @@ private class Games.NintendoDsRunner : Object, Runner {
        }
 
        private void on_changed (string key) {
-               if (key == "screen-layout")
+               if (key == "screen-layout" || key == "view-bottom-screen")
                        update_screen_layout ();
        }
 
@@ -51,10 +51,18 @@ private class Games.NintendoDsRunner : Object, Runner {
 
                var option = core.get_option (SCREENS_LAYOUT_OPTION);
 
-               var value = settings.get_string ("screen-layout");
+               var setting_value = settings.get_string ("screen-layout");
+
+               var option_value = setting_value;
+               if (setting_value == "quick switch") {
+                       var bottom = settings.get_boolean ("view-bottom-screen");
+
+                       option_value = bottom ? "bottom only" : "top only";
+               }
+
 
                try {
-                       option.set_value (value);
+                       option.set_value (option_value);
                }
                catch (Error e) {
                        critical (e.message);