[dconf-editor] One click toggle for booleans.

[Arnaud Bonatti <arnaudb src gnome org>]

commit fade39d53a6ad39013c1f3a27374963f4fe4418d
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Jan 21 18:55:39 2017 +0100

    One click toggle for booleans.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770765#c2

 editor/dconf-model.vala      |    2 +-
 editor/key-list-box-row.ui   |    2 +-
 editor/key-list-box-row.vala |   50 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 2 deletions(-)
---
diff --git a/editor/dconf-model.vala b/editor/dconf-model.vala
index 83b6650..f4d67f5 100644
--- a/editor/dconf-model.vala
+++ b/editor/dconf-model.vala
@@ -430,7 +430,7 @@ public class GSettingsKey : Key
     public string schema_id              { get; construct; }
     public string summary                { get; construct; }
     public string description    { private get; construct; }
-    public Variant default_value { private get; construct; }
+    public Variant default_value         { get; construct; }
     public string range_type             { get; construct; }
     public Variant range_content         { get; construct; }
 
diff --git a/editor/key-list-box-row.ui b/editor/key-list-box-row.ui
index d2facda..6e9d2ef 100644
--- a/editor/key-list-box-row.ui
+++ b/editor/key-list-box-row.ui
@@ -10,7 +10,7 @@
         <property name="visible">True</property>
         <property name="orientation">horizontal</property>
         <child>
-          <object class="GtkGrid">
+          <object class="GtkGrid" id="key_name_and_value_grid">
             <property name="visible">True</property>
             <property name="orientation">horizontal</property>
             <child>
diff --git a/editor/key-list-box-row.vala b/editor/key-list-box-row.vala
index f3b283e..70b58f0 100644
--- a/editor/key-list-box-row.vala
+++ b/editor/key-list-box-row.vala
@@ -116,9 +116,11 @@ private class FolderListBoxRow : ClickableListBoxRow
 [GtkTemplate (ui = "/ca/desrt/dconf-editor/ui/key-list-box-row.ui")]
 private abstract class KeyListBoxRow : ClickableListBoxRow
 {
+    [GtkChild] private Grid key_name_and_value_grid;
     [GtkChild] private Label key_name_label;
     [GtkChild] protected Label key_value_label;
     [GtkChild] protected Label key_info_label;
+    protected Switch? boolean_switch = null;
 
     protected StyleContext name_context;
     protected StyleContext value_context;
@@ -136,6 +138,15 @@ private abstract class KeyListBoxRow : ClickableListBoxRow
         name_context = key_name_label.get_style_context ();
         value_context = key_value_label.get_style_context ();
 
+        if (abstract_key.type_string == "b")
+        {
+            boolean_switch = new Switch ();
+            ((!) boolean_switch).valign = Align.CENTER;
+            ((!) boolean_switch).show ();
+            key_value_label.hide ();
+            key_name_and_value_grid.add ((!) boolean_switch);
+        }
+
         update ();
         key_name_label.set_label (abstract_key.name);
 
@@ -158,6 +169,9 @@ private class KeyListBoxRowEditableNoSchema : KeyListBoxRow
     {
         Object (key: _key);
 
+        if (boolean_switch != null)
+            ((!) boolean_switch).notify ["active"].connect (() => key.value = new Variant.boolean (((!) 
boolean_switch).get_active ()));
+
         key_info_label.get_style_context ().add_class ("italic-label");
         key_info_label.set_label (_("No Schema Found"));
     }
@@ -166,6 +180,11 @@ private class KeyListBoxRowEditableNoSchema : KeyListBoxRow
     {
         if (key.is_ghost)
         {
+            if (boolean_switch != null)
+            {
+                ((!) boolean_switch).hide ();
+                key_value_label.show ();
+            }
             if (!value_context.has_class ("italic-label")) value_context.add_class ("italic-label");
             if (value_context.has_class ("bold-label")) value_context.remove_class ("bold-label");
             key_value_label.set_label (_("Key erased."));
@@ -174,6 +193,12 @@ private class KeyListBoxRowEditableNoSchema : KeyListBoxRow
         }
         else
         {
+            if (boolean_switch != null)
+            {
+                key_value_label.hide ();
+                ((!) boolean_switch).show ();
+                ((!) boolean_switch).set_active (key.value.get_boolean ());
+            }
             if (value_context.has_class ("italic-label")) value_context.remove_class ("italic-label");
             if (!value_context.has_class ("bold-label")) value_context.add_class ("bold-label");
             key_value_label.set_label (cool_text_value (key));
@@ -250,11 +275,21 @@ private class KeyListBoxRowEditable : KeyListBoxRow
 {
     public GSettingsKey key { get; construct; }
     private override Key abstract_key { get { return (Key) key; }}
+    private ulong boolean_switch_toggled_handler = 0;
 
     public KeyListBoxRowEditable (GSettingsKey _key)
     {
         Object (key: _key);
 
+        if (boolean_switch != null)
+            boolean_switch_toggled_handler = ((!) boolean_switch).notify ["active"].connect (() => {
+                    bool boolean = ((!) boolean_switch).get_active ();
+                    if (boolean == key.default_value.get_boolean ())
+                        key.set_to_default ();
+                    else
+                        key.value = new Variant.boolean (boolean);
+                });
+
         if (key.summary != "")
             key_info_label.set_label (key.summary);
         else
@@ -266,6 +301,21 @@ private class KeyListBoxRowEditable : KeyListBoxRow
 
     protected override void update ()
     {
+        if (boolean_switch != null)
+        {
+            bool boolean = key.value.get_boolean ();
+            if (((!) boolean_switch).get_active () != boolean)
+            {
+                if (boolean_switch_toggled_handler > 0)
+                {
+                    SignalHandler.block ((!) boolean_switch, boolean_switch_toggled_handler);
+                    ((!) boolean_switch).set_active (boolean);
+                    SignalHandler.unblock ((!) boolean_switch, boolean_switch_toggled_handler);
+                }
+                else // first init
+                    ((!) boolean_switch).set_active (boolean);
+            }
+        }
         if (key.is_default)
         {
             if (name_context.has_class ("bold-label")) name_context.remove_class ("bold-label");