keyboard: Add initial keyboard shortcuts

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

ui/event.py

@@ -1,9 +0,0 @@
-# Copyright 2021 (c) Anna Schumaker.
-from gi.repository import Gtk
-
-Key = Gtk.EventControllerKey()
-
-def on_key_released(controller, keyval, keycode, state):
-    print(keyval, keycode, state)
-
-Key.connect("key-released", on_key_released)

ui/keyboard.py

@@ -0,0 +1,38 @@
+# Copyright 2021 (c) Anna Schumaker.
+from gi.repository import Gtk, Gdk
+import audio
+import tagdb
+
+Event = Gtk.EventControllerKey()
+Event.set_propagation_phase(Gtk.PropagationPhase.CAPTURE)
+
+Shortcuts = dict()
+
+def initialize():
+    Shortcuts.clear()
+    Shortcuts.update({
+            "Return"      : audio.Player.next,
+            "BackSpace"   : audio.Player.previous,
+            "space"       : audio.Player.playpause,
+            "plus"        : tagdb.Stack.Counter.increment,
+            "KP_Add"      : tagdb.Stack.Counter.increment,
+            "minus"       : tagdb.Stack.Counter.decrement,
+            "KP_Subtract" : tagdb.Stack.Counter.decrement,
+    })
+initialize()
+
+
+def on_key_released(controller, keyval, keycode, state):
+    window = Event.get_widget()
+    name = Gdk.keyval_name(keyval)
+    if name == "Escape":
+        window.set_focus(None)
+    elif not isinstance(window.get_focus(), Gtk.Text):
+        if func := Shortcuts.get(name):
+            func()
+            return True
+        else:
+            print(name)
+    return False
+
+Event.connect("key-released", on_key_released)

ui/test_event.py

@@ -1,8 +0,0 @@
-# Copyright 2021 (c) Anna Schumaker.
-from . import event
-from gi.repository import Gtk
-import unittest
-
-class TestUIEvents(unittest.TestCase):
-    def test_ui_events(self):
-        self.assertIsInstance(event.Key, Gtk.EventControllerKey)

ui/test_keyboard.py

@@ -0,0 +1,20 @@
+# Copyright 2021 (c) Anna Schumaker.
+from . import keyboard
+from gi.repository import Gtk
+import audio
+import tagdb
+import unittest
+
+class TestUIKeyboard(unittest.TestCase):
+    def setUp(self):
+        keyboard.initialize()
+
+    def test_keyboard_init(self):
+        self.assertIsInstance(keyboard.Event, Gtk.EventControllerKey)
+
+        self.assertEqual(keyboard.Shortcuts["Return"], audio.Player.next)
+        self.assertEqual(keyboard.Shortcuts["BackSpace"], audio.Player.previous)
+        self.assertEqual(keyboard.Shortcuts["plus"], tagdb.Stack.Counter.increment)
+        self.assertEqual(keyboard.Shortcuts["KP_Add"], tagdb.Stack.Counter.increment)
+        self.assertEqual(keyboard.Shortcuts["minus"], tagdb.Stack.Counter.decrement)
+        self.assertEqual(keyboard.Shortcuts["KP_Subtract"], tagdb.Stack.Counter.decrement)

ui/test_window.py

@@ -3,6 +3,7 @@ from lib import settings
 from lib import version
 from . import window
 from . import header
+from . import keyboard
 from . import pane
 from gi.repository import Gtk
 import sidebar
@@ -31,6 +32,8 @@ class TestUIWindow(unittest.TestCase):
         self.assertEqual(window.Window.get_title(), version.string())
         self.assertEqual(window.Window.get_icon_name(), "emmental")
 
+        self.assertEqual(keyboard.Event.get_widget(), window.Window)
+
     def test_window_resize(self):
         self.assertEqual(settings.get_int("window.width"), 1100)
         self.assertEqual(settings.get_int("window.height"), 600)

ui/window.py

@@ -6,6 +6,7 @@ import gi
 gi.require_version("Gtk", "4.0")
 from gi.repository import Gtk
 from . import header
+from . import keyboard
 from . import pane
 
 Window = Gtk.ApplicationWindow()
@@ -20,6 +21,7 @@ initialize()
 Box.append(sidebar.Switcher)
 Box.append(pane.Pane)
 
+Window.add_controller(keyboard.Event)
 Window.set_title(version.string())
 Window.set_icon_name("emmental")
 Window.set_titlebar(header.Header)