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from gi.repository import Gtk
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from gi.repository import Gdk
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from gi.repository import Gio
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import sys
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class MyWindow(Gtk.ApplicationWindow):
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def __init__(self, app):
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Gtk.Window.__init__(self, title="Toolbar Example", application=app)
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self.set_default_size(400, 200)
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# a grid to attach the toolbar
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grid = Gtk.Grid()
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# a toolbar created in the method create_toolbar (see below)
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toolbar = self.create_toolbar()
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# with extra horizontal space
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toolbar.set_hexpand(True)
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# show the toolbar
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toolbar.show()
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# attach the toolbar to the grid
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grid.attach(toolbar, 0, 0, 1, 1)
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# add the grid to the window
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self.add(grid)
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# create the actions that control the window and connect their signal to a
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# callback method (see below):
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# undo
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undo_action = Gio.SimpleAction.new("undo", None)
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undo_action.connect("activate", self.undo_callback)
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self.add_action(undo_action)
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# fullscreen
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fullscreen_action = Gio.SimpleAction.new("fullscreen", None)
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fullscreen_action.connect("activate", self.fullscreen_callback)
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self.add_action(fullscreen_action)
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# a method to create the toolbar
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def create_toolbar(self):
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# a toolbar
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toolbar = Gtk.Toolbar()
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# which is the primary toolbar of the application
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toolbar.get_style_context().add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR)
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# create a button for the "new" action, with a stock image
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new_button = Gtk.ToolButton.new_from_stock(Gtk.STOCK_NEW)
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# label is shown
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new_button.set_is_important(True)
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# insert the button at position in the toolbar
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toolbar.insert(new_button, 0)
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# show the button
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new_button.show()
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# set the name of the action associated with the button.
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# The action controls the application (app)
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new_button.set_action_name("app.new")
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# button for the "open" action
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open_button = Gtk.ToolButton.new_from_stock(Gtk.STOCK_OPEN)
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open_button.set_is_important(True)
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toolbar.insert(open_button, 1)
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open_button.show()
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open_button.set_action_name("app.open")
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# button for the "undo" action
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undo_button = Gtk.ToolButton.new_from_stock(Gtk.STOCK_UNDO)
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undo_button.set_is_important(True)
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toolbar.insert(undo_button, 2)
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undo_button.show()
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undo_button.set_action_name("win.undo")
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# button for the "fullscreen/leave fullscreen" action
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self.fullscreen_button = Gtk.ToolButton.new_from_stock(
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Gtk.STOCK_FULLSCREEN)
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self.fullscreen_button.set_is_important(True)
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toolbar.insert(self.fullscreen_button, 3)
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self.fullscreen_button.set_action_name("win.fullscreen")
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# return the complete toolbar
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return toolbar
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# callback method for undo
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def undo_callback(self, action, parameter):
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print("You clicked \"Undo\".")
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# callback method for fullscreen / leave fullscreen
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def fullscreen_callback(self, action, parameter):
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# check if the state is the same as Gdk.WindowState.FULLSCREEN, which
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# is a bit flag
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is_fullscreen = self.get_window().get_state(
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) & Gdk.WindowState.FULLSCREEN != 0
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if not is_fullscreen:
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self.fullscreen_button.set_stock_id(Gtk.STOCK_LEAVE_FULLSCREEN)
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self.fullscreen()
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else:
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self.fullscreen_button.set_stock_id(Gtk.STOCK_FULLSCREEN)
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self.unfullscreen()
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class MyApplication(Gtk.Application):
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def __init__(self):
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Gtk.Application.__init__(self)
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def do_activate(self):
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win = MyWindow(self)
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win.show_all()
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def do_startup(self):
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Gtk.Application.do_startup(self)
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# create the actions that control the window and connect their signal to a
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# callback method (see below):
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# new
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new_action = Gio.SimpleAction.new("new", None)
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new_action.connect("activate", self.new_callback)
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app.add_action(new_action)
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# open
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open_action = Gio.SimpleAction.new("open", None)
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open_action.connect("activate", self.open_callback)
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app.add_action(open_action)
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# callback method for new
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def new_callback(self, action, parameter):
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print("You clicked \"New\".")
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# callback method for open
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def open_callback(self, action, parameter):
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print("You clicked \"Open\".")
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app = MyApplication()
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exit_status = app.run(sys.argv)
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sys.exit(exit_status)
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