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332 lines
11 KiB
Python
332 lines
11 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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# Copyright (C) 2009, Aleksey Lim, Sayamindu Dasgupta
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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"""
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STABLE.
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"""
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from gi.repository import GObject
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from gi.repository import GLib
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from gi.repository import Gdk
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from gi.repository import GdkX11
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from gi.repository import Gtk
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from sugar3.graphics.icon import Icon
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from sugar3.graphics import palettegroup
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from sugar3.graphics import style
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_UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT = 2
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class UnfullscreenButton(Gtk.Window):
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def __init__(self):
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Gtk.Window.__init__(self)
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self.set_decorated(False)
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self.set_resizable(False)
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self.set_type_hint(Gdk.WindowTypeHint.DIALOG)
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self.set_border_width(0)
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self.props.accept_focus = False
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# Setup estimate of width, height
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valid_, w, h = Gtk.icon_size_lookup(Gtk.IconSize.LARGE_TOOLBAR)
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self._width = w
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self._height = h
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screen = self.get_screen()
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screen.connect('size-changed', self._screen_size_changed_cb)
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self._button = Gtk.Button()
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self._button.set_relief(Gtk.ReliefStyle.NONE)
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self._icon = Icon(icon_name='view-return',
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pixel_size=style.STANDARD_ICON_SIZE)
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self._icon.show()
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self._button.add(self._icon)
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self._button.show()
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self.add(self._button)
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def connect_button_clicked(self, cb):
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self._button.connect('clicked', cb)
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def _reposition(self):
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x = Gdk.Screen.width() - self._width
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self.move(x, 0)
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def do_get_preferred_width(self):
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minimum, natural = Gtk.Window.do_get_preferred_width(self)
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self._width = minimum
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self._reposition()
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return minimum, natural
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def _screen_size_changed_cb(self, screen):
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self._reposition()
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class Window(Gtk.Window):
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def __init__(self, **args):
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self._enable_fullscreen_mode = True
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GObject.GObject.__init__(self, **args)
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self.set_decorated(False)
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self.maximize()
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self.connect('realize', self.__window_realize_cb)
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self.connect_after('key-press-event', self.__key_press_cb)
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# OSK support: canvas auto panning based on input focus
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if GObject.signal_lookup('request-clear-area', Window) != 0 and \
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GObject.signal_lookup('unset-clear-area', Window) != 0:
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self.connect('size-allocate', self.__size_allocate_cb)
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self.connect('request-clear-area', self.__request_clear_area_cb)
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self.connect('unset-clear-area', self.__unset_clear_area_cb)
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self._clear_area_dy = 0
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self._toolbar_box = None
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self._alerts = []
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self._canvas = None
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self.tray = None
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self.__vbox = Gtk.VBox()
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self.__hbox = Gtk.HBox()
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self.__vbox.pack_start(self.__hbox, True, True, 0)
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self.__hbox.show()
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self.add_events(Gdk.EventMask.POINTER_MOTION_HINT_MASK |
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Gdk.EventMask.POINTER_MOTION_MASK |
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Gdk.EventMask.BUTTON_RELEASE_MASK |
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Gdk.EventMask.TOUCH_MASK)
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self.connect('motion-notify-event', self.__motion_notify_cb)
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self.connect('button-release-event', self.__button_press_event_cb)
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self.add(self.__vbox)
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self.__vbox.show()
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self._is_fullscreen = False
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self._unfullscreen_button = UnfullscreenButton()
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self._unfullscreen_button.set_transient_for(self)
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self._unfullscreen_button.connect_button_clicked(
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self.__unfullscreen_button_clicked)
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self._unfullscreen_button_timeout_id = None
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def reveal(self):
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""" Make window active
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In contrast with present(), brings window to the top
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even after invoking on response on non-gtk events.
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See #1423.
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"""
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window = self.get_window()
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if window is None:
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self.show()
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return
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timestamp = Gtk.get_current_event_time()
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if not timestamp:
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timestamp = GdkX11.x11_get_server_time(window)
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window.focus(timestamp)
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def is_fullscreen(self):
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return self._is_fullscreen
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def fullscreen(self):
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palettegroup.popdown_all()
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if self._toolbar_box is not None:
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self._toolbar_box.hide()
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if self.tray is not None:
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self.tray.hide()
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self._is_fullscreen = True
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if self.props.enable_fullscreen_mode:
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self._unfullscreen_button.show()
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if self._unfullscreen_button_timeout_id is not None:
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GObject.source_remove(self._unfullscreen_button_timeout_id)
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self._unfullscreen_button_timeout_id = None
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self._unfullscreen_button_timeout_id = \
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GLib.timeout_add_seconds(
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_UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT,
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self.__unfullscreen_button_timeout_cb)
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def unfullscreen(self):
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if self._toolbar_box is not None:
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self._toolbar_box.show()
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if self.tray is not None:
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self.tray.show()
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self._is_fullscreen = False
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if self.props.enable_fullscreen_mode:
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self._unfullscreen_button.hide()
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if self._unfullscreen_button_timeout_id:
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GObject.source_remove(self._unfullscreen_button_timeout_id)
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self._unfullscreen_button_timeout_id = None
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def set_canvas(self, canvas):
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if self._canvas:
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self.__hbox.remove(self._canvas)
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if canvas:
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self.__hbox.pack_start(canvas, True, True, 0)
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self._canvas = canvas
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self.__vbox.set_focus_child(self._canvas)
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def get_canvas(self):
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return self._canvas
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canvas = property(get_canvas, set_canvas)
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def get_toolbar_box(self):
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return self._toolbar_box
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def set_toolbar_box(self, toolbar_box):
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if self._toolbar_box:
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self.__vbox.remove(self._toolbar_box)
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if toolbar_box:
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self.__vbox.pack_start(toolbar_box, False, False, 0)
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self.__vbox.reorder_child(toolbar_box, 0)
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self._toolbar_box = toolbar_box
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toolbar_box = property(get_toolbar_box, set_toolbar_box)
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def set_tray(self, tray, position):
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if self.tray:
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box = self.tray.get_parent()
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box.remove(self.tray)
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if position == Gtk.PositionType.LEFT:
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self.__hbox.pack_start(tray, False, False, 0)
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elif position == Gtk.PositionType.RIGHT:
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self.__hbox.pack_end(tray, False, False, 0)
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elif position == Gtk.PositionType.BOTTOM:
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self.__vbox.pack_end(tray, False, False, 0)
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self.tray = tray
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def add_alert(self, alert):
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self._alerts.append(alert)
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if len(self._alerts) == 1:
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self.__vbox.pack_start(alert, False, False, 0)
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if self._toolbar_box is not None:
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self.__vbox.reorder_child(alert, 1)
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else:
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self.__vbox.reorder_child(alert, 0)
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def remove_alert(self, alert):
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if alert in self._alerts:
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self._alerts.remove(alert)
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# if the alert is the visible one on top of the queue
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if alert.get_parent() is not None:
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self.__vbox.remove(alert)
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if len(self._alerts) >= 1:
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self.__vbox.pack_start(self._alerts[0], False, False, 0)
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if self._toolbar_box is not None:
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self.__vbox.reorder_child(self._alerts[0], 1)
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else:
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self.__vbox.reorder_child(self._alert[0], 0)
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def __window_realize_cb(self, window):
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group = Gtk.Window()
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group.realize()
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window.get_window().set_group(group.get_window())
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def __key_press_cb(self, widget, event):
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key = Gdk.keyval_name(event.keyval)
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if event.get_state() & Gdk.ModifierType.MOD1_MASK:
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if self.tray is not None and key == 'space':
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self.tray.props.visible = not self.tray.props.visible
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return True
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elif key == 'Escape' and self._is_fullscreen and \
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self.props.enable_fullscreen_mode:
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self.unfullscreen()
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return True
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return False
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def __unfullscreen_button_clicked(self, button):
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self.unfullscreen()
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def __button_press_event_cb(self, widget, event):
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self._show_unfullscreen_button()
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return False
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def __motion_notify_cb(self, widget, event):
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self._show_unfullscreen_button()
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return False
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def _show_unfullscreen_button(self):
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if self._is_fullscreen and self.props.enable_fullscreen_mode:
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if not self._unfullscreen_button.props.visible:
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self._unfullscreen_button.show()
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# Reset the timer
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if self._unfullscreen_button_timeout_id is not None:
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GObject.source_remove(self._unfullscreen_button_timeout_id)
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self._unfullscreen_button_timeout_id = None
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self._unfullscreen_button_timeout_id = \
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GLib.timeout_add_seconds(
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_UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT,
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self.__unfullscreen_button_timeout_cb)
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def __unfullscreen_button_timeout_cb(self):
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self._unfullscreen_button.hide()
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self._unfullscreen_button_timeout_id = None
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return False
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def __request_clear_area_cb(self, activity, osk_rect, cursor_rect):
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self._clear_area_dy = cursor_rect.y + cursor_rect.height - osk_rect.y
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if self._clear_area_dy < 0:
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self._clear_area_dy = 0
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return False
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self.queue_resize()
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return True
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def __unset_clear_area_cb(self, activity, snap_back):
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self._clear_area_dy = 0
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self.queue_resize()
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return True
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def __size_allocate_cb(self, widget, allocation):
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self.set_allocation(allocation)
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allocation.y -= self._clear_area_dy
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self.__vbox.size_allocate(allocation)
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def set_enable_fullscreen_mode(self, enable_fullscreen_mode):
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self._enable_fullscreen_mode = enable_fullscreen_mode
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def get_enable_fullscreen_mode(self):
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return self._enable_fullscreen_mode
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enable_fullscreen_mode = GObject.property(
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type=object,
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setter=set_enable_fullscreen_mode,
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getter=get_enable_fullscreen_mode)
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