Add Gtk.ShortcutsWindows to application (resolve #14)

data/de.coderkun.mcg.gresource.xml

@@ -3,6 +3,7 @@
     <gresource prefix="/de/coderkun/mcg">
         <file>gtk.glade</file>
         <file>gtk.css</file>
+        <file>gtk.shortcuts.ui</file>
         <file>menu.ui</file>
         <file>mcg.svg</file>
         <file>noise-texture.png</file>

data/gtk.shortcuts.ui

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="3.18"/>
+  <object class="GtkShortcutsWindow" id="shortcuts-dialog">
+    <property name="modal">True</property>
+    <child>
+      <object class="GtkShortcutsSection">
+        <property name="visible">1</property>
+        <property name="section-name">shortcuts</property>
+        <property name="title" translatable="yes">Application</property>
+        <property name="max-height">10</property>
+        <child>
+          <object class="GtkShortcutsGroup">
+            <property name="visible">1</property>
+            <property name="title" translatable="yes">General</property>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;KP_1</property>
+                <property name="title" translatable="yes">Switch to the Connection panel</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;KP_2</property>
+                <property name="title" translatable="yes">Switch to the Cover panel</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;KP_3</property>
+                <property name="title" translatable="yes">Switch to the Playlist panel</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;KP_4</property>
+                <property name="title" translatable="yes">Switch to the Library panel</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;k</property>
+                <property name="title" translatable="yes">Show the keyboard shortcuts (this dialog)</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;i</property>
+                <property name="title" translatable="yes">Open the info dialog</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;q</property>
+                <property name="title" translatable="yes">Quit the application</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkShortcutsGroup">
+            <property name="visible">1</property>
+            <property name="title" translatable="yes">Player</property>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;c</property>
+                <property name="title" translatable="yes">Connect or disconnect</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;p</property>
+                <property name="title" translatable="yes">Switch between play and pause</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;r</property>
+                <property name="title" translatable="yes">Clear the playlist</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkShortcutsGroup">
+            <property name="visible">1</property>
+            <property name="title" translatable="yes">Cover Panel</property>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;alt&gt;Return F11</property>
+                <property name="title" translatable="yes">Show the cover in fullscreen mode</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkShortcutsGroup">
+            <property name="visible">1</property>
+            <property name="title" translatable="yes">Library Panel</property>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">&lt;primary&gt;f</property>
+                <property name="title" translatable="yes">Search the library</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>

data/menu.ui

@@ -47,6 +47,11 @@
             </item>
         </section>
         <section>
+            <item>
+                <attribute name="action">app.shortcuts</attribute>
+                <attribute name="label" translatable="yes">_Keyboard Shortcuts</attribute>
+                <attribute name="accel">&lt;Primary&gt;k</attribute>
+            </item>
             <item>
                 <attribute name="action">app.info</attribute>
                 <attribute name="label" translatable="yes">Info</attribute>

mcg/application.py

@@ -32,6 +32,7 @@ class Application(Gtk.Application):
     def __init__(self):
         Gtk.Application.__init__(self, application_id=Application.ID, flags=Gio.ApplicationFlags.FLAGS_NONE)
         self._window = None
+        self._shortcuts_window = None
         self._info_dialog = None
         self._verbosity = logging.WARNING
         self.add_main_option_entries([
@@ -68,6 +69,14 @@ class Application(Gtk.Application):
         self._window.present()
 
 
+    def on_menu_shortcuts(self, action, value):
+        builder = Gtk.Builder()
+        builder.set_translation_domain(Application.DOMAIN)
+        builder.add_from_resource(self._get_resource_path('gtk.shortcuts.ui'))
+        shortcuts_dialog = widgets.ShortcutsDialog(builder, self._window)
+        shortcuts_dialog.present()
+
+
     def on_menu_info(self, action, value):
         if not self._info_dialog:
             self._info_dialog = widgets.InfoDialog(self._builder)
@@ -119,6 +128,9 @@ class Application(Gtk.Application):
 
 
     def _setup_actions(self):
+        action = Gio.SimpleAction.new("shortcuts", None)
+        action.connect('activate', self.on_menu_shortcuts)
+        self.add_action(action)
         action = Gio.SimpleAction.new("info", None)
         action.connect('activate', self.on_menu_info)
         self.add_action(action)

mcg/widgets.py

@@ -24,6 +24,25 @@ from mcg.zeroconf import ZeroconfProvider
 
 
 
+class ShortcutsDialog():
+
+
+    def __init__(self, builder, window):
+        # Widgets
+        self._window = builder.get_object('shortcuts-dialog')
+        self._window.set_transient_for(window.get())
+
+
+    def get(self):
+        return self._window
+
+
+    def present(self):
+        self._window.present()
+
+
+
+
 class InfoDialog():
 
 
@@ -183,6 +202,10 @@ class Window():
         self._appwindow.add_action(self._panel_action)
 
 
+    def get(self):
+        return self._appwindow
+
+
     def present(self):
         self._appwindow.present()
         self._appwindow.resize(800, 600)