[gnome-games] ui: Add KeyboardConfigurer

[Adrien Plazas <aplazas src gnome org>]

commit 3b83a1954ad7c07563c87521c339ad6caaa87144
Author: theawless <theawless gmail com>
Date:   Mon Feb 19 19:07:33 2018 +0530

    ui: Add KeyboardConfigurer
    
    Allows the user to create, save, and reset keyboard mapping.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780755

 data/Makefile.am                   |   1 +
 data/org.gnome.Games.gresource.xml |   1 +
 data/ui/keyboard-configurer.ui     | 106 ++++++++++++++++++++++
 src/Makefile.am                    |   1 +
 src/ui/keyboard-configurer.vala    | 181 +++++++++++++++++++++++++++++++++++++
 5 files changed, 290 insertions(+)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index cc7fb35..0887658 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -40,6 +40,7 @@ EXTRA_DIST = \
        ui/gamepad-mapper.ui \
        ui/gamepad-tester.ui \
        ui/game-icon-view.ui \
+       ui/keyboard-configurer.ui \
        ui/keyboard-mapper.ui \
        ui/keyboard-tester.ui \
        ui/media-menu-button.ui \
diff --git a/data/org.gnome.Games.gresource.xml b/data/org.gnome.Games.gresource.xml
index 2443a7c..8efd288 100644
--- a/data/org.gnome.Games.gresource.xml
+++ b/data/org.gnome.Games.gresource.xml
@@ -19,6 +19,7 @@
     <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/keyboard-configurer.ui</file>
     <file preprocess="xml-stripblanks">ui/keyboard-mapper.ui</file>
     <file preprocess="xml-stripblanks">ui/keyboard-tester.ui</file>
     <file preprocess="xml-stripblanks">ui/media-menu-button.ui</file>
diff --git a/data/ui/keyboard-configurer.ui b/data/ui/keyboard-configurer.ui
new file mode 100644
index 0000000..88fcecd
--- /dev/null
+++ b/data/ui/keyboard-configurer.ui
@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="GamesKeyboardConfigurer" parent="GtkBox">
+    <property name="visible">True</property>
+    <property name="can_focus">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="GtkStack" id="stack">
+        <property name="visible">True</property>
+        <property name="halign">fill</property>
+        <property name="valign">fill</property>
+        <property name="hexpand">True</property>
+        <property name="vexpand">True</property>
+        <child>
+          <object class="GtkBox" id="keyboard_mapper_holder">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+          </object>
+          <packing>
+            <property name="name">keyboard_mapper</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="keyboard_tester_holder">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+          </object>
+          <packing>
+            <property name="name">keyboard_tester</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkActionBar" id="action_bar">
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkButton" id="reset_button">
+            <property name="visible">True</property>
+            <property name="label" translatable="yes" context="Keyboard configuration factory 
reset">Reset</property>
+            <signal name="clicked" handler="on_reset_clicked"/>
+            <style>
+              <class name="destructive-action"/>
+            </style>
+          </object>
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="configure_button">
+            <property name="visible">True</property>
+            <property name="label" translatable="yes">Configure</property>
+            <signal name="clicked" handler="on_configure_clicked"/>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+          </object>
+          <packing>
+            <property name="pack-type">start</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </template>
+  <object class="GtkHeaderBar" id="header_bar">
+    <property name="visible">True</property>
+    <child>
+      <object class="GtkButton" id="back_button">
+        <property name="visible">True</property>
+        <signal name="clicked" handler="on_back_clicked"/>
+        <style>
+          <class name="image-button"/>
+        </style>
+        <child internal-child="accessible">
+          <object class="AtkObject" id="a11y-back">
+            <property name="accessible-name" translatable="yes">Back</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkImage" id="back_image">
+            <property name="visible">True</property>
+            <property name="icon-name">go-previous-symbolic</property>
+            <property name="icon-size">1</property>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="pack-type">start</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkButton" id="cancel_button">
+        <property name="visible">True</property>
+        <property name="label" translatable="yes">Cancel</property>
+        <signal name="clicked" handler="on_cancel_clicked"/>
+        <style>
+          <class name="destructive-action"/>
+        </style>
+      </object>
+      <packing>
+        <property name="pack-type">end</property>
+      </packing>
+    </child>
+  </object>
+</interface>
diff --git a/src/Makefile.am b/src/Makefile.am
index 4a20ccf..bd576d2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -127,6 +127,7 @@ gnome_games_SOURCES = \
        ui/game-icon-view.vala \
        ui/game-thumbnail.vala \
        ui/gamepad-view-configuration.vala \
+       ui/keyboard-configurer.vala \
        ui/keyboard-mapper.vala \
        ui/keyboard-tester.vala \
        ui/media-selector.vala \
diff --git a/src/ui/keyboard-configurer.vala b/src/ui/keyboard-configurer.vala
new file mode 100644
index 0000000..990a915
--- /dev/null
+++ b/src/ui/keyboard-configurer.vala
@@ -0,0 +1,181 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+[GtkTemplate (ui = "/org/gnome/Games/ui/keyboard-configurer.ui")]
+private class Games.KeyboardConfigurer : Gtk.Box {
+       private const GamepadInput[] KEYBOARD_GAMEPAD_INPUTS = {
+               { EventCode.EV_KEY, EventCode.BTN_A },
+               { EventCode.EV_KEY, EventCode.BTN_B },
+               { EventCode.EV_KEY, EventCode.BTN_X },
+               { EventCode.EV_KEY, EventCode.BTN_Y },
+               { EventCode.EV_KEY, EventCode.BTN_START },
+               { EventCode.EV_KEY, EventCode.BTN_SELECT },
+               { EventCode.EV_KEY, EventCode.BTN_THUMBL },
+               { EventCode.EV_KEY, EventCode.BTN_THUMBR },
+               { EventCode.EV_KEY, EventCode.BTN_TL },
+               { EventCode.EV_KEY, EventCode.BTN_TR },
+               { EventCode.EV_KEY, EventCode.BTN_DPAD_UP },
+               { EventCode.EV_KEY, EventCode.BTN_DPAD_LEFT },
+               { EventCode.EV_KEY, EventCode.BTN_DPAD_DOWN },
+               { EventCode.EV_KEY, EventCode.BTN_DPAD_RIGHT },
+               { EventCode.EV_KEY, EventCode.BTN_TL2 },
+               { EventCode.EV_KEY, EventCode.BTN_TR2 },
+       };
+
+       private const GamepadInputPath[] KEYBOARD_GAMEPAD_INPUT_PATHS = {
+               { { EventCode.EV_KEY, EventCode.BTN_A }, "a" },
+               { { EventCode.EV_KEY, EventCode.BTN_B }, "b" },
+               { { EventCode.EV_KEY, EventCode.BTN_DPAD_DOWN }, "dpdown" },
+               { { EventCode.EV_KEY, EventCode.BTN_DPAD_LEFT }, "dpleft" },
+               { { EventCode.EV_KEY, EventCode.BTN_DPAD_RIGHT }, "dpright" },
+               { { EventCode.EV_KEY, EventCode.BTN_DPAD_UP }, "dpup" },
+               { { EventCode.EV_KEY, EventCode.BTN_SELECT }, "back" },
+               { { EventCode.EV_KEY, EventCode.BTN_TL }, "leftshoulder" },
+               { { EventCode.EV_KEY, EventCode.BTN_TR }, "rightshoulder" },
+               { { EventCode.EV_KEY, EventCode.BTN_START }, "start" },
+               { { EventCode.EV_KEY, EventCode.BTN_THUMBL }, "leftstick" },
+               { { EventCode.EV_KEY, EventCode.BTN_THUMBR }, "rightstick" },
+               { { EventCode.EV_KEY, EventCode.BTN_TL2 }, "lefttrigger" },
+               { { EventCode.EV_KEY, EventCode.BTN_TR2 }, "righttrigger" },
+               { { EventCode.EV_KEY, EventCode.BTN_Y }, "x" },
+               { { EventCode.EV_KEY, EventCode.BTN_X }, "y" },
+       };
+
+       private const GamepadViewConfiguration KEYBOARD_GAMEPAD_VIEW_CONFIGURATION = {
+               "resource:///org/gnome/Games/gamepads/standard-gamepad.svg", KEYBOARD_GAMEPAD_INPUT_PATHS
+       };
+
+       private enum State {
+               TEST,
+               CONFIGURE,
+       }
+
+       public signal void back ();
+
+       private State _state;
+       private State state {
+               set {
+                       _state = value;
+                       immersive_mode = (state == State.CONFIGURE);
+
+                       switch (value) {
+                       case State.TEST:
+                               reset_button.set_sensitive (!mapping_manager.is_default ());
+
+                               back_button.show ();
+                               cancel_button.hide ();
+                               action_bar.show ();
+                               header_bar.title = _("Testing Keyboard");
+                               header_bar.get_style_context ().remove_class ("selection-mode");
+                               stack.set_visible_child_name ("keyboard_tester");
+
+                               tester.start ();
+                               mapper.stop ();
+                               mapper.finished.disconnect (on_mapper_finished);
+
+                               break;
+                       case State.CONFIGURE:
+                               back_button.hide ();
+                               cancel_button.show ();
+                               action_bar.hide ();
+                               header_bar.title = _("Configuring Keyboard");
+                               header_bar.get_style_context ().add_class ("selection-mode");
+                               stack.set_visible_child_name ("keyboard_mapper");
+
+                               tester.stop ();
+                               mapper.start ();
+                               mapper.finished.connect (on_mapper_finished);
+
+                               break;
+                       }
+               }
+               get { return _state; }
+       }
+
+       [GtkChild (name = "header_bar")]
+       private Gtk.HeaderBar _header_bar;
+       public Gtk.HeaderBar header_bar {
+               private set {}
+               get { return _header_bar; }
+       }
+
+       public bool immersive_mode { private set; get; }
+
+       [GtkChild]
+       private Gtk.Stack stack;
+       [GtkChild]
+       private Gtk.Box keyboard_mapper_holder;
+       [GtkChild]
+       private Gtk.Box keyboard_tester_holder;
+       [GtkChild]
+       private Gtk.ActionBar action_bar;
+       [GtkChild]
+       private Gtk.Button reset_button;
+       [GtkChild]
+       private Gtk.Button back_button;
+       [GtkChild]
+       private Gtk.Button cancel_button;
+
+       private KeyboardMapper mapper;
+       private KeyboardTester tester;
+       private KeyboardMappingManager mapping_manager;
+
+       public KeyboardConfigurer () {
+               mapper = new KeyboardMapper (KEYBOARD_GAMEPAD_VIEW_CONFIGURATION, KEYBOARD_GAMEPAD_INPUTS);
+               keyboard_mapper_holder.pack_start (mapper);
+               tester = new KeyboardTester (KEYBOARD_GAMEPAD_VIEW_CONFIGURATION);
+               keyboard_tester_holder.pack_start (tester);
+               mapping_manager = new KeyboardMappingManager ();
+
+               tester.mapping = mapping_manager.mapping;
+               mapping_manager.changed.connect (() => {
+                       tester.mapping = mapping_manager.mapping;
+               });
+
+               state = State.TEST;
+       }
+
+       [GtkCallback]
+       private void on_reset_clicked () {
+               reset_mapping ();
+       }
+
+       [GtkCallback]
+       private void on_configure_clicked () {
+               state = State.CONFIGURE;
+       }
+
+       [GtkCallback]
+       private void on_back_clicked () {
+               back ();
+       }
+
+       [GtkCallback]
+       private void on_cancel_clicked () {
+               state = State.TEST;
+       }
+
+       private void reset_mapping () {
+               var message_dialog = new ResetControllerMappingDialog ();
+               message_dialog.set_transient_for ((Gtk.Window) get_toplevel ());
+               message_dialog.response.connect ((response) => {
+                       switch (response) {
+                               case Gtk.ResponseType.ACCEPT:
+                                       mapping_manager.delete_mapping ();
+                                       reset_button.set_sensitive (false);
+
+                                       break;
+                               default:
+                                       break;
+                       }
+
+                       message_dialog.destroy();
+               });
+               message_dialog.show ();
+       }
+
+       private void on_mapper_finished (Retro.KeyJoypadMapping mapping) {
+               mapping_manager.save_mapping (mapping);
+
+               state = State.TEST;
+       }
+}