Port 'Box' demo to Python

demos/Box/main.py

@@ -0,0 +1,141 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+import workbench
+
+interactive_box = workbench.builder.get_object("interactive_box")
+button_append = workbench.builder.get_object("button_append")
+button_prepend = workbench.builder.get_object("button_prepend")
+button_remove = workbench.builder.get_object("button_remove")
+
+count = 0
+
+
+def append(_button=None):
+    global count
+    label = Gtk.Label(
+        name="card",
+        label=f"Item {count + 1}",
+        css_classes=["card"],
+    )
+    interactive_box.append(label)
+    count += 1
+
+
+def prepend(_button):
+    global count
+    label = Gtk.Label(
+        name="card",
+        label=f"Item {count + 1}",
+        css_classes=["card"],
+    )
+    interactive_box.prepend(label)
+    count += 1
+
+
+def remove(_button):
+    global count
+    if count:
+        interactive_box.remove(interactive_box.get_last_child())
+        count -= 1
+    else:
+        print("The box has no child widget to remove")
+
+
+button_append.connect("clicked", append)
+button_prepend.connect("clicked", prepend)
+button_remove.connect("clicked", remove)
+
+
+def on_horizontal_toggled(_check_button):
+    if toggle_orientation_horizontal.get_active():
+        interactive_box.set_orientation(Gtk.Orientation.HORIZONTAL)
+
+
+def on_vertical_toggled(_check_button):
+    if toggle_orientation_vertical.get_active():
+        interactive_box.set_orientation(Gtk.Orientation.VERTICAL)
+
+
+def on_highlight_toggled(_check_button):
+    if highlight.get_active():
+        interactive_box.add_css_class("border")
+    else:
+        interactive_box.remove_css_class("border")
+
+
+def on_hfill_toggled(_check_button):
+    if halign_toggle_fill.get_active():
+        interactive_box.set_halign(Gtk.Align.FILL)
+
+
+def on_hstart_toggled(_check_button):
+    if halign_toggle_start.get_active():
+        interactive_box.set_halign(Gtk.Align.START)
+
+
+def on_hcenter_toggled(_check_button):
+    if halign_toggle_center.get_active():
+        interactive_box.set_halign(Gtk.Align.CENTER)
+
+
+def on_hend_toggled(_check_button):
+    if halign_toggle_end.get_active():
+        interactive_box.set_halign(Gtk.Align.END)
+
+
+def on_vfill_toggled(_check_button):
+    if valign_toggle_fill.get_active():
+        interactive_box.set_valign(Gtk.Align.FILL)
+
+
+def on_vstart_toggled(_check_button):
+    if valign_toggle_start.get_active():
+        interactive_box.set_valign(Gtk.Align.START)
+
+
+def on_vcenter_toggled(_check_button):
+    if valign_toggle_center.get_active():
+        interactive_box.set_valign(Gtk.Align.CENTER)
+
+
+def on_vend_toggled(_check_button):
+    if valign_toggle_end.get_active():
+        interactive_box.set_valign(Gtk.Align.END)
+
+
+toggle_orientation_horizontal = workbench.builder.get_object(
+    "toggle_orientation_horizontal",
+)
+toggle_orientation_vertical = workbench.builder.get_object(
+    "toggle_orientation_vertical",
+)
+toggle_orientation_horizontal.connect("toggled", on_horizontal_toggled)
+toggle_orientation_vertical.connect("toggled", on_vertical_toggled)
+
+highlight = workbench.builder.get_object("highlight")
+highlight.connect("toggled", on_highlight_toggled)
+
+halign_toggle_fill = workbench.builder.get_object("halign_toggle_fill")
+halign_toggle_start = workbench.builder.get_object("halign_toggle_start")
+halign_toggle_center = workbench.builder.get_object("halign_toggle_center")
+halign_toggle_end = workbench.builder.get_object("halign_toggle_end")
+
+halign_toggle_fill.connect("toggled", on_hfill_toggled)
+halign_toggle_start.connect("toggled", on_hstart_toggled)
+halign_toggle_center.connect("toggled", on_hcenter_toggled)
+halign_toggle_end.connect("toggled", on_hend_toggled)
+
+valign_toggle_fill = workbench.builder.get_object("valign_toggle_fill")
+valign_toggle_start = workbench.builder.get_object("valign_toggle_start")
+valign_toggle_center = workbench.builder.get_object("valign_toggle_center")
+valign_toggle_end = workbench.builder.get_object("valign_toggle_end")
+
+valign_toggle_fill.connect("toggled", on_vfill_toggled)
+valign_toggle_start.connect("toggled", on_vstart_toggled)
+valign_toggle_center.connect("toggled", on_vcenter_toggled)
+valign_toggle_end.connect("toggled", on_vend_toggled)
+
+
+append()