[gnome-games/wip/abhinavsingh/gamepad-reassign: 5/6] ui: Add ControllerPopover

[Abhinav Singh <abhinavsingh src gnome org>]

commit af9c4513946e728494b520a67a42ec8f00864707
Author: theawless <theawless gmail com>
Date:   Sat Aug 12 00:30:10 2017 +0530

    ui: Add ControllerPopover
    
    Shows the user the current ControllerSet and allows them to reassign the
    controller using ControllerReassigner.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780756

 data/Makefile.am                   |    1 +
 data/org.gnome.Games.gresource.xml |    1 +
 data/ui/controller-popover.ui      |   31 +++++++++++++
 src/Makefile.am                    |    1 +
 src/ui/controller-popover.vala     |   84 ++++++++++++++++++++++++++++++++++++
 5 files changed, 118 insertions(+), 0 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index 1e1fc40..a48c201 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -41,6 +41,7 @@ EXTRA_DIST = \
        ui/gamepad-mapper.ui \
        ui/gamepad-tester.ui \
        ui/game-icon-view.ui \
+       ui/controller-popover.ui \
        ui/controller-reassigner.ui \
        ui/media-menu-button.ui \
        ui/media-selector.ui \
diff --git a/data/org.gnome.Games.gresource.xml b/data/org.gnome.Games.gresource.xml
index dfd9e2d..06a29ab 100644
--- a/data/org.gnome.Games.gresource.xml
+++ b/data/org.gnome.Games.gresource.xml
@@ -20,6 +20,7 @@
     <file preprocess="xml-stripblanks">ui/gamepad-mapper.ui</file>
     <file preprocess="xml-stripblanks">ui/gamepad-tester.ui</file>
     <file preprocess="xml-stripblanks">ui/game-icon-view.ui</file>
+    <file preprocess="xml-stripblanks">ui/controller-popover.ui</file>
     <file preprocess="xml-stripblanks">ui/controller-reassigner.ui</file>
     <file preprocess="xml-stripblanks">ui/media-menu-button.ui</file>
     <file preprocess="xml-stripblanks">ui/media-selector.ui</file>
diff --git a/data/ui/controller-popover.ui b/data/ui/controller-popover.ui
new file mode 100644
index 0000000..762f57f
--- /dev/null
+++ b/data/ui/controller-popover.ui
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="3.16"/>
+  <template class="GamesControllerPopover" parent="GtkPopover">
+    <child>
+      <object class="GtkBox">
+        <property name="orientation">vertical</property>
+        <property name="margin-top">6</property>
+        <property name="margin-bottom">6</property>
+        <property name="margin-start">6</property>
+        <property name="margin-end">6</property>
+        <property name="margin">6</property>
+        <property name="spacing">12</property>
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkListBox" id="controllers_list_box">
+            <property name="visible">True</property>
+            <property name="selection_mode">none</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkButton" id="reassign_button">
+            <property name="visible">True</property>
+            <property name="label" translatable="yes">Reassign</property>
+            <signal name="clicked" handler="on_reassign_clicked"/>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/src/Makefile.am b/src/Makefile.am
index f77d066..edab034 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -154,6 +154,7 @@ gnome_games_SOURCES = \
        ui/game-icon-view.vala \
        ui/game-thumbnail.vala \
        ui/gamepad-view-configuration.vala \
+       ui/controller-popover.vala \
        ui/controller-reassigner.vala \
        ui/media-selector.vala \
        ui/media-menu-button.vala \
diff --git a/src/ui/controller-popover.vala b/src/ui/controller-popover.vala
new file mode 100644
index 0000000..55ad9d0
--- /dev/null
+++ b/src/ui/controller-popover.vala
@@ -0,0 +1,84 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+[GtkTemplate (ui = "/org/gnome/Games/ui/controller-popover.ui")]
+private class Games.ControllerPopover : Gtk.Popover {
+       [GtkChild]
+       private Gtk.ListBox controllers_list_box;
+       [GtkChild]
+       private Gtk.Button reassign_button;
+
+       private ControllerSet _controller_set;
+       public ControllerSet controller_set {
+               set {
+                       _controller_set = value;
+
+                       reset_controllers ();
+                       if (controller_set != null)
+                               controller_set.changed.connect (reset_controllers);
+               }
+               get { return _controller_set; }
+       }
+
+       private void reset_controllers () {
+               reassign_button.sensitive = controller_set != null && controller_set.has_multiple_controllers;
+
+               remove_controllers ();
+               update_controllers ();
+       }
+
+       private void update_controllers () {
+               if (controller_set == null)
+                       return;
+
+               if (controller_set.has_gamepads) {
+                       controller_set.gamepads.foreach ((port, gamepad) => {
+                               add_controller (gamepad.name, port);
+                       });
+               }
+               if (controller_set.has_keyboard)
+                       add_controller (_("Keyboard"), controller_set.keyboard_port);
+       }
+
+       private void add_controller (string label, uint port) {
+               var position = (int) port;
+               var box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 0);
+               box.pack_start (new Gtk.Label (position.to_string ()), false, false);
+               box.pack_end (new Gtk.Label (label), false, false);
+               box.spacing = 6;
+               box.margin = 6;
+               box.show_all ();
+               controllers_list_box.insert (box, position);
+       }
+
+       private void remove_controllers () {
+               controllers_list_box.foreach ((child) => child.destroy ());
+       }
+
+       [GtkCallback]
+       private void on_reassign_clicked () {
+               popdown ();
+
+               int width, height;
+               var window = (Gtk.Window) get_toplevel ();
+               window.get_size (out width, out height);
+
+               var controller_reassigner = new ControllerReassigner ();
+               controller_reassigner.set_transient_for (window);
+               controller_reassigner.set_default_size (width / 2, height / 2);
+               controller_reassigner.response.connect ((response) => {
+                       switch (response) {
+                       case Gtk.ResponseType.APPLY:
+                               controller_set.gamepads = controller_reassigner.controller_set.gamepads;
+                               controller_set.keyboard_port = 
controller_reassigner.controller_set.keyboard_port;
+                               controller_set.reset ();
+
+                               break;
+                       default:
+                               break;
+                       }
+
+                       controller_reassigner.destroy ();
+               });
+               controller_reassigner.show ();
+       }
+}