"""Sugar GTK4 RadioToolButton Example.""" import sys import os sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "src")) import gi gi.require_version("Gtk", "4.0") from gi.repository import Gtk from sugar4.activity import SimpleActivity from sugar4.graphics.radiotoolbutton import RadioToolButton from sugar4.graphics.toolbutton import ToolButton from sugar4.graphics import style PROJECT_ROOT = os.path.join(os.path.dirname(__file__), "..") SUGAR_ICONS_PATH = os.path.join( PROJECT_ROOT, "sugar-artwork", "icons", "scalable", "actions" ) CURSOR_ICONS_PATH = os.path.join( PROJECT_ROOT, "sugar-artwork", "cursor", "sugar", "pngs" ) def get_valid_icon(icon_path, fallback="document-generic.svg"): if os.path.exists(icon_path): return icon_path else: # Try fallback in mimetypes directory fallback_path = os.path.join( PROJECT_ROOT, "sugar-artwork", "icons", "scalable", "mimetypes", fallback ) if os.path.exists(fallback_path): return fallback_path # Fallback to actions directory if mimetypes fallback missing return os.path.join(SUGAR_ICONS_PATH, fallback) class RadioToolButtonExampleActivity(SimpleActivity): """Example activity demonstrating Sugar GTK4 RadioToolButton features.""" def __init__(self): super().__init__() self.set_title("Sugar GTK4 RadioToolButton Example") self._create_content() def _create_content(self): """Create the main content showing radio tool button features.""" main_box = Gtk.Box( orientation=Gtk.Orientation.VERTICAL, spacing=style.DEFAULT_SPACING ) main_box.set_margin_start(style.DEFAULT_PADDING * 2) main_box.set_margin_end(style.DEFAULT_PADDING * 2) main_box.set_margin_top(style.DEFAULT_PADDING * 2) main_box.set_margin_bottom(style.DEFAULT_PADDING * 2) css_provider = Gtk.CssProvider() css_provider.load_from_data(b".background { background-color: #e0e0e0; }") main_box.get_style_context().add_provider( css_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION ) main_box.get_style_context().add_class("background") # Title title = Gtk.Label() title.set_markup("RadioToolButton Demo") title.set_margin_bottom(style.DEFAULT_SPACING) main_box.append(title) # Description desc = Gtk.Label() desc.set_markup( "Radio buttons work in groups - only one can be selected at a time." ) desc.set_margin_bottom(style.DEFAULT_SPACING) main_box.append(desc) # Drawing tools section self._create_tools_section(main_box) # View modes section self._create_modes_section(main_box) # Status label self._status_label = Gtk.Label(label="Select a tool to see its action") self._status_label.set_margin_top(style.DEFAULT_SPACING) main_box.append(self._status_label) self.set_canvas(main_box) self.set_default_size(500, 350) def _create_tools_section(self, container): """Create drawing tools radio button section.""" frame = Gtk.Frame(label="Drawing Tools") frame.set_margin_bottom(style.DEFAULT_SPACING) vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=8) vbox.set_margin_start(style.DEFAULT_PADDING) vbox.set_margin_end(style.DEFAULT_PADDING) vbox.set_margin_top(style.DEFAULT_PADDING) vbox.set_margin_bottom(style.DEFAULT_PADDING) # Create toolbar for tools toolbar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=4) toolbar.set_halign(Gtk.Align.CENTER) # Drawing tools with file paths tools = [ ("Brush", os.path.join(CURSOR_ICONS_PATH, "paintbrush.png")), ("Pencil", os.path.join(CURSOR_ICONS_PATH, "pencil.png")), ("Eraser", os.path.join(CURSOR_ICONS_PATH, "eraser.png")), ( "Text", get_valid_icon(os.path.join(SUGAR_ICONS_PATH, "format-text-bold.svg")), ), ] first_tool = None for i, (name, icon_path) in enumerate(tools): if i == 0: tool_button = RadioToolButton(icon_name=icon_path) first_tool = tool_button tool_button.set_active(True) else: tool_button = RadioToolButton(icon_name=icon_path, group=first_tool) tool_button.set_tooltip(name) tool_button.connect("toggled", self._on_tool_toggled, name) toolbar.append(tool_button) vbox.append(toolbar) frame.set_child(vbox) container.append(frame) def _create_modes_section(self, container): """Create view modes section.""" frame = Gtk.Frame(label="View Modes") frame.set_margin_bottom(style.DEFAULT_SPACING) vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=8) vbox.set_margin_start(style.DEFAULT_PADDING) vbox.set_margin_end(style.DEFAULT_PADDING) vbox.set_margin_top(style.DEFAULT_PADDING) vbox.set_margin_bottom(style.DEFAULT_PADDING) toolbar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=4) toolbar.set_halign(Gtk.Align.CENTER) # View modes with file paths modes = [ ("List", get_valid_icon(os.path.join(SUGAR_ICONS_PATH, "view-list.svg"))), ("Grid", get_valid_icon(os.path.join(SUGAR_ICONS_PATH, "view-box.svg"))), ( "Details", get_valid_icon(os.path.join(SUGAR_ICONS_PATH, "view-details.svg")), ), ] first_mode = None for i, (name, icon_path) in enumerate(modes): if i == 0: mode_button = RadioToolButton(icon_name=icon_path) first_mode = mode_button mode_button.set_active(True) else: mode_button = RadioToolButton(icon_name=icon_path, group=first_mode) mode_button.set_tooltip(f"{name} View") mode_button.connect("toggled", self._on_mode_toggled, name) toolbar.append(mode_button) vbox.append(toolbar) frame.set_child(vbox) container.append(frame) def _on_tool_toggled(self, button, tool_name): """Handle drawing tool toggle.""" if button.get_active(): self._status_label.set_text(f"Selected tool: {tool_name}") def _on_mode_toggled(self, button, mode_name): """Handle view mode toggle.""" if button.get_active(): self._status_label.set_text(f"Selected view: {mode_name}") def main(): """Run the RadioToolButton example activity.""" app = Gtk.Application(application_id="org.sugarlabs.RadioToolButtonExample") def on_activate(app): activity = RadioToolButtonExampleActivity() app.add_window(activity) activity.present() app.connect("activate", on_activate) return app.run(sys.argv) if __name__ == "__main__": main()