a36ada99fd
This adds long-press gesture detection to the CursorInvoker used in the EventIcon. This will make this gesture available for the View icons for example. We need to keep a boolean around to detect when a lon-press event has happened and ignore the button-release event in that case. We add as well checks in the CursorInvoker and WidgetInvoker for the enter events if they are of type Gdk.CrossingMode.NORMAL, otherwise the Gdk.CrossingMode.TOUCH_BEGIN enter events that are detected when a touch starts are handled and interfere. Signed-off-by: Simon Schampijer <simon@laptop.org> Acked-by: Manuel Quiñones <manuq@laptop.org>
1341 lines
43 KiB
Python
1341 lines
43 KiB
Python
# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
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# Copyright (C) 2008, One Laptop Per Child
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# Copyright (C) 2009, Tomeu Vizoso
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# Copyright (C) 2011, Benjamin Berg <benjamin@sipsolutions.net>
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# Copyright (C) 2011, Marco Pesenti Gritti <marco@marcopg.org>
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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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import logging
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from gi.repository import Gdk
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from gi.repository import Gtk
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from gi.repository import GObject
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from gi.repository import SugarGestures
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from sugar3.graphics import palettegroup
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from sugar3.graphics import animator
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from sugar3.graphics import style
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def _calculate_gap(a, b):
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"""Helper function to find the gap position and size of widget a"""
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# Test for each side if the palette and invoker are
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# adjacent to each other.
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gap = True
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if a.y + a.height == b.y:
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gap_side = Gtk.PositionType.BOTTOM
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elif a.x + a.width == b.x:
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gap_side = Gtk.PositionType.RIGHT
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elif a.x == b.x + b.width:
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gap_side = Gtk.PositionType.LEFT
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elif a.y == b.y + b.height:
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gap_side = Gtk.PositionType.TOP
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else:
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gap = False
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if gap:
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if gap_side == Gtk.PositionType.BOTTOM or gap_side == Gtk.PositionType.TOP:
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gap_start = min(a.width, max(0, b.x - a.x))
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gap_size = max(0, min(a.width,
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(b.x + b.width) - a.x) - gap_start)
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elif gap_side == Gtk.PositionType.RIGHT or gap_side == Gtk.PositionType.LEFT:
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gap_start = min(a.height, max(0, b.y - a.y))
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gap_size = max(0, min(a.height,
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(b.y + b.height) - a.y) - gap_start)
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if gap and gap_size > 0:
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return (gap_side, gap_start, gap_size)
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else:
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return False
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class _PaletteMenuWidget(Gtk.Menu):
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__gtype_name__ = "SugarPaletteMenuWidget"
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__gsignals__ = {
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'enter-notify': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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'leave-notify': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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def __init__(self):
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Gtk.Menu.__init__(self)
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accel_group = Gtk.AccelGroup()
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self.sugar_accel_group = accel_group
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self.get_toplevel().add_accel_group(accel_group)
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self._popup_position = (0, 0)
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self._entered = False
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self._mouse_in_palette = False
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self._mouse_in_invoker = False
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self._up = False
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self._invoker = None
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self._menus = []
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def set_accept_focus(self, focus):
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pass
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def get_origin(self):
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res_, x, y = self.get_toplevel().get_window().get_origin()
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return x, y
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def move(self, x, y):
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self._popup_position = (x, y)
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def set_transient_for(self, window):
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pass
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def set_invoker(self, invoker):
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pass
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def _position(self, widget, data):
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return self._popup_position[0], self._popup_position[1], False
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def popup(self, invoker):
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if self._up:
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return
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# We need to track certain mouse events in order to close the palette
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# when the mouse leaves the palette and the invoker widget, but
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# GtkMenu makes our lives hard here.
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#
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# GtkMenu takes a grab on the root window, meaning that normal
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# enter/leave events are not sent to the relevant widgets.
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# However, connecting enter-notify and leave-notify events in this
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# GtkMenu subclass mean that we get to see the events being grabbed.
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# With certain filtering in place (see _enter_notify_cb and
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# _leave_notify_cb) we are able to accurately determine when the
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# mouse leaves/enters the palette menu. Some spurious events are
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# generated but the important thing is that the last event generated
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# in response to a user action is always reliable (i.e. we will
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# always get a leave event last if the user left the menu,
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# even if we get some strange enter events leading up to it).
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#
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# This is complicated with submenus; in this case the submenu takes
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# the grab, so we must also listen for events on any submenus of
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# the palette and apply the same considerations.
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#
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# The remaining challenge is tracking when the mouse enters or leaves
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# the invoker area. While the appropriate GtkMenu grab is active,
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# we do get informed of such events, however these events will only
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# arrive if the user has entered the menu. If the user hovers over
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# the invoker and then leaves the invoker without entering the palette,
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# we get no enter/leave event.
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# We work around this by tracking mouse motion events. When the mouse
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# moves, we compare the mouse coordinates to the region occupied by the
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# invoker, and this lets us track enter/leave for the invoker widget.
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self._invoker = invoker
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self._find_all_menus(self)
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for menu in self._menus:
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if self._invoker:
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menu.connect('motion-notify-event', self._motion_notify_cb)
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menu.connect('enter-notify-event', self._enter_notify_cb)
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menu.connect('leave-notify-event', self._leave_notify_cb)
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self._entered = False
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self._mouse_in_palette = False
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self._mouse_in_invoker = False
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Gtk.Menu.popup(self, None, None, self._position, None, 0, 0)
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self._up = True
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def popdown(self):
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if not self._up:
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return
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Gtk.Menu.popdown(self)
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for menu in self._menus:
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menu.disconnect_by_func(self._motion_notify_cb)
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menu.disconnect_by_func(self._enter_notify_cb)
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menu.disconnect_by_func(self._leave_notify_cb)
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self._up = False
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self._menus = []
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self._invoker = None
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def _find_all_menus(self, menu):
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"""
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Recursively find all submenus of menu, adding them to self._menus.
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"""
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self._menus.append(menu)
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for child in menu.get_children():
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if not isinstance(child, Gtk.MenuItem):
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continue
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submenu = child.get_submenu()
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if submenu and isinstance(submenu, Gtk.Menu):
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self._find_all_menus(submenu)
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def _enter_notify_cb(self, widget, event):
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if event.mode in (Gdk.CrossingMode.GRAB, Gdk.CrossingMode.GTK_GRAB):
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return False
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if Gtk.get_event_widget(event) not in self._menus:
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return False
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self._mouse_in_palette = True
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self._reevaluate_state()
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return False
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def _leave_notify_cb(self, widget, event):
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if event.mode in (Gdk.CrossingMode.GRAB, Gdk.CrossingMode.GTK_GRAB):
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return False
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if Gtk.get_event_widget(event) not in self._menus:
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return False
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self._mouse_in_palette = False
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self._reevaluate_state()
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return False
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def _motion_notify_cb(self, widget, event):
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rect = self._invoker.get_rect()
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x = event.x_root
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y = event.y_root
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in_invoker = x >= rect.x and x < (rect.x + rect.width) \
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and y >= rect.y and y < (rect.y + rect.height)
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if in_invoker != self._mouse_in_invoker:
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self._mouse_in_invoker = in_invoker
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self._reevaluate_state()
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def _reevaluate_state(self):
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if self._entered:
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# If we previously advised that the mouse was inside, but now the
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# mouse is outside both the invoker and the palette, notify that
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# the mouse has left.
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if not self._mouse_in_palette and not self._mouse_in_invoker:
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self._entered = False
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self.emit('leave-notify')
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else:
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# If we previously advised that the mouse had left, but now the
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# mouse is inside either the palette or the invoker, notify that
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# the mouse has entered.
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if self._mouse_in_palette or self._mouse_in_invoker:
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self._entered = True
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self.emit('enter-notify')
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class _PaletteWindowWidget(Gtk.Window):
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__gtype_name__ = 'SugarPaletteWindowWidget'
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__gsignals__ = {
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'enter-notify': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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'leave-notify': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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def __init__(self, palette=None):
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Gtk.Window.__init__(self)
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self._palette = palette
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self.set_decorated(False)
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self.set_resizable(False)
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self.set_position(Gtk.WindowPosition.NONE)
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accel_group = Gtk.AccelGroup()
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self.sugar_accel_group = accel_group
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self.add_accel_group(accel_group)
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self._old_alloc = None
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self._invoker = None
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self._should_accept_focus = True
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def set_accept_focus(self, focus):
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self._should_accept_focus = focus
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if self.get_window() != None:
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self.get_window().set_accept_focus(focus)
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def get_origin(self):
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res_, x, y = self.get_window().get_origin()
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return x, y
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def do_realize(self):
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Gtk.Window.do_realize(self)
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self.get_window().set_accept_focus(self._should_accept_focus)
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self.set_type_hint(Gdk.WindowTypeHint.DIALOG)
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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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label_width = 0
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if self._palette is not None:
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label_width = self._palette.get_label_width()
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size = max(natural, label_width + 2 * self.get_border_width(),
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style.GRID_CELL_SIZE * 2)
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return size, size
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def do_size_allocate(self, allocation):
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Gtk.Window.do_size_allocate(self, allocation)
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if self._old_alloc is None or \
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self._old_alloc.x != allocation.x or \
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self._old_alloc.y != allocation.y or \
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self._old_alloc.width != allocation.width or \
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self._old_alloc.height != allocation.height:
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self.queue_draw()
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# We need to store old allocation because when size_allocate
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# is called widget.allocation is already updated.
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# Gtk.Window resizing is different from normal containers:
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# the X window is resized, widget.allocation is updated from
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# the configure request handler and finally size_allocate is called.
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self._old_alloc = allocation
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def set_invoker(self, invoker):
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self._invoker = invoker
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def get_rect(self):
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win_x, win_y = self.get_origin()
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rectangle = self.get_allocation()
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x = win_x + rectangle.x
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y = win_y + rectangle.y
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minimum, natural = self.get_preferred_size()
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rect = Gdk.Rectangle()
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rect.x = x
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rect.y = y
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rect.width = minimum.width
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rect.height = natural.height
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return rect
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def do_draw(self, cr):
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# Fall trough to the container expose handler.
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# (Leaving out the window expose handler which redraws everything)
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Gtk.Window.do_draw(self, cr)
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if self._invoker is not None and self._invoker.has_rectangle_gap():
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invoker = self._invoker.get_rect()
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palette = self.get_rect()
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gap = _calculate_gap(palette, invoker)
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else:
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gap = False
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allocation = self.get_allocation()
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context = self.get_style_context()
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context.add_class('toolitem')
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if gap:
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Gtk.render_frame_gap(context, cr, 0, 0, allocation.width, allocation.height,
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gap[0], gap[1], gap[1] + gap[2])
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else:
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Gtk.render_frame(context, cr, 0, 0, allocation.width, allocation.height)
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return False
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def __enter_notify_event_cb(self, widget, event):
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if event.mode == Gdk.CrossingMode.NORMAL and \
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event.detail != Gdk.NotifyType.INFERIOR:
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self.emit('enter-notify')
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return False
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def __leave_notify_event_cb(self, widget, event):
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if event.mode != Gdk.CrossingMode.NORMAL:
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return False
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if event.detail != Gdk.NotifyType.INFERIOR:
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self.emit('leave-notify')
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def popup(self, invoker):
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if self.get_visible():
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return
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self.connect('enter-notify-event', self.__enter_notify_event_cb)
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self.connect('leave-notify-event', self.__leave_notify_event_cb)
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self.show()
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def popdown(self):
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if not self.get_visible():
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return
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self.disconnect_by_func(self.__enter_notify_event_cb)
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self.disconnect_by_func(self.__leave_notify_event_cb)
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self.hide()
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class MouseSpeedDetector(GObject.GObject):
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__gsignals__ = {
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'motion-slow': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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'motion-fast': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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_MOTION_SLOW = 1
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_MOTION_FAST = 2
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def __init__(self, delay, thresh):
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"""Create MouseSpeedDetector object,
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delay in msec
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threshold in pixels (per tick of 'delay' msec)"""
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GObject.GObject.__init__(self)
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self.parent = None
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self._threshold = thresh
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self._delay = delay
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self._state = None
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self._timeout_hid = None
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self._mouse_pos = None
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def start(self):
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self.stop()
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self._mouse_pos = self._get_mouse_position()
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self._timeout_hid = GObject.timeout_add(self._delay, self._timer_cb)
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def stop(self):
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if self._timeout_hid is not None:
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GObject.source_remove(self._timeout_hid)
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self._state = None
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def _get_mouse_position(self):
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if hasattr(self.parent, 'get_display'):
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display = self.parent.get_display()
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else:
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display = Gdk.Display.get_default()
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manager = display.get_device_manager()
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pointer_device = manager.get_client_pointer()
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screen, x, y = pointer_device.get_position()
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return (x, y)
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def _detect_motion(self):
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oldx, oldy = self._mouse_pos
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(x, y) = self._get_mouse_position()
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self._mouse_pos = (x, y)
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dist2 = (oldx - x) ** 2 + (oldy - y) ** 2
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if dist2 > self._threshold ** 2:
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return True
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else:
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return False
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def _timer_cb(self):
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motion = self._detect_motion()
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if motion and self._state != self._MOTION_FAST:
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self.emit('motion-fast')
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self._state = self._MOTION_FAST
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elif not motion and self._state != self._MOTION_SLOW:
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self.emit('motion-slow')
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self._state = self._MOTION_SLOW
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return True
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|
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class PaletteWindow(GObject.GObject):
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"""
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Base class for _ToolbarPalette and Palette.
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Provides basic management of child widget, invoker, and animation.
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"""
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|
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PRIMARY = 0
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SECONDARY = 1
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__gsignals__ = {
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'popup': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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'popdown': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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|
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def __init__(self, **kwargs):
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self._group_id = None
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self._invoker = None
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self._invoker_hids = []
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self._cursor_x = 0
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self._cursor_y = 0
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self._alignment = None
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self._up = False
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self._palette_state = None
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self._widget = None
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self._popup_anim = animator.Animator(.5, 10)
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self._popup_anim.add(_PopupAnimation(self))
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self._popdown_anim = animator.Animator(0.6, 10)
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self._popdown_anim.add(_PopdownAnimation(self))
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GObject.GObject.__init__(self, **kwargs)
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self.set_group_id('default')
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self._mouse_detector = MouseSpeedDetector(200, 5)
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def _setup_widget(self):
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self._widget.connect('show', self.__show_cb)
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self._widget.connect('hide', self.__hide_cb)
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self._widget.connect('destroy', self.__destroy_cb)
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self._widget.connect('enter-notify', self.__enter_notify_cb)
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self._widget.connect('leave-notify', self.__leave_notify_cb)
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self._set_effective_group_id(self._group_id)
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self._widget.set_invoker(self._invoker)
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self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
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self._mouse_detector.parent = self._widget
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|
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def _teardown_widget(self):
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self._widget.disconnect_by_func(self.__show_cb)
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self._widget.disconnect_by_func(self.__hide_cb)
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self._widget.disconnect_by_func(self.__destroy_cb)
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self._widget.disconnect_by_func(self.__enter_notify_cb)
|
|
self._widget.disconnect_by_func(self.__leave_notify_cb)
|
|
self._set_effective_group_id(None)
|
|
|
|
def destroy(self):
|
|
if self._widget is not None:
|
|
self._widget.destroy()
|
|
|
|
def __destroy_cb(self, palette):
|
|
self._mouse_detector.disconnect_by_func(self._mouse_slow_cb)
|
|
|
|
def set_invoker(self, invoker):
|
|
for hid in self._invoker_hids[:]:
|
|
self._invoker.disconnect(hid)
|
|
self._invoker_hids.remove(hid)
|
|
|
|
self._invoker = invoker
|
|
if self._widget is not None:
|
|
self._widget.set_invoker(invoker)
|
|
if invoker is not None:
|
|
self._invoker_hids.append(self._invoker.connect(
|
|
'mouse-enter', self._invoker_mouse_enter_cb))
|
|
self._invoker_hids.append(self._invoker.connect(
|
|
'mouse-leave', self._invoker_mouse_leave_cb))
|
|
self._invoker_hids.append(self._invoker.connect(
|
|
'right-click', self._invoker_right_click_cb))
|
|
self._invoker_hids.append(self._invoker.connect(
|
|
'toggle-state', self._invoker_toggle_state_cb))
|
|
|
|
def get_invoker(self):
|
|
return self._invoker
|
|
|
|
invoker = GObject.property(type=object,
|
|
getter=get_invoker,
|
|
setter=set_invoker)
|
|
|
|
def _mouse_slow_cb(self, widget):
|
|
self._mouse_detector.stop()
|
|
self._palette_do_popup()
|
|
|
|
def _palette_do_popup(self):
|
|
immediate = False
|
|
|
|
if self.is_up():
|
|
self._popdown_anim.stop()
|
|
return
|
|
|
|
if self._group_id:
|
|
group = palettegroup.get_group(self._group_id)
|
|
if group and group.is_up():
|
|
immediate = True
|
|
group.popdown()
|
|
|
|
self.popup(immediate=immediate)
|
|
|
|
def is_up(self):
|
|
return self._up
|
|
|
|
def _set_effective_group_id(self, group_id):
|
|
if self._group_id:
|
|
group = palettegroup.get_group(self._group_id)
|
|
group.remove(self)
|
|
if group_id:
|
|
group = palettegroup.get_group(group_id)
|
|
group.add(self)
|
|
|
|
def set_group_id(self, group_id):
|
|
self._set_effective_group_id(group_id)
|
|
self._group_id = group_id
|
|
|
|
def get_group_id(self):
|
|
return self._group_id
|
|
|
|
group_id = GObject.property(type=str,
|
|
getter=get_group_id,
|
|
setter=set_group_id)
|
|
|
|
def update_position(self):
|
|
invoker = self._invoker
|
|
if invoker is None or self._alignment is None:
|
|
logging.error('Cannot update the palette position.')
|
|
return
|
|
|
|
rect = self._widget.size_request()
|
|
position = invoker.get_position_for_alignment(self._alignment, rect)
|
|
if position is None:
|
|
position = invoker.get_position(rect)
|
|
|
|
self._widget.move(position.x, position.y)
|
|
|
|
def get_full_size_request(self):
|
|
return self._widget.size_request()
|
|
|
|
def popup(self, immediate=False):
|
|
if self._invoker is not None:
|
|
full_size_request = self.get_full_size_request()
|
|
self._alignment = self._invoker.get_alignment(full_size_request)
|
|
|
|
self.update_position()
|
|
self._widget.set_transient_for(self._invoker.get_toplevel())
|
|
|
|
self._popdown_anim.stop()
|
|
|
|
if not immediate:
|
|
self._popup_anim.start()
|
|
else:
|
|
self._popup_anim.stop()
|
|
self._widget.popup(self._invoker)
|
|
# we have to invoke update_position() twice
|
|
# since WM could ignore first move() request
|
|
self.update_position()
|
|
|
|
def popdown(self, immediate=False):
|
|
self._popup_anim.stop()
|
|
self._mouse_detector.stop()
|
|
|
|
if not immediate:
|
|
self._popdown_anim.start()
|
|
else:
|
|
self._popdown_anim.stop()
|
|
if self._widget is not None:
|
|
self._widget.popdown()
|
|
|
|
def on_invoker_enter(self):
|
|
self._popdown_anim.stop()
|
|
self._mouse_detector.start()
|
|
|
|
def on_invoker_leave(self):
|
|
self._mouse_detector.stop()
|
|
self.popdown()
|
|
|
|
def on_enter(self):
|
|
self._popdown_anim.stop()
|
|
|
|
def on_leave(self):
|
|
self.popdown()
|
|
|
|
def _invoker_mouse_enter_cb(self, invoker):
|
|
self.on_invoker_enter()
|
|
|
|
def _invoker_mouse_leave_cb(self, invoker):
|
|
self.on_invoker_leave()
|
|
|
|
def _invoker_right_click_cb(self, invoker):
|
|
self.popup(immediate=True, state=self.SECONDARY)
|
|
|
|
def _invoker_toggle_state_cb(self, invoker):
|
|
if self.is_up():
|
|
self.popdown(immediate=True)
|
|
else:
|
|
self.popup(immediate=True, state=self.SECONDARY)
|
|
|
|
def __enter_notify_cb(self, widget):
|
|
self.on_enter()
|
|
|
|
def __leave_notify_cb(self, widget):
|
|
self.on_leave()
|
|
|
|
def __show_cb(self, widget):
|
|
if self._invoker is not None:
|
|
self._invoker.notify_popup()
|
|
|
|
self._up = True
|
|
self.emit('popup')
|
|
|
|
def __hide_cb(self, widget):
|
|
if self._invoker:
|
|
self._invoker.notify_popdown()
|
|
|
|
self._up = False
|
|
self.emit('popdown')
|
|
|
|
def get_rect(self):
|
|
win_x, win_y = self._widget.get_origin()
|
|
rectangle = self._widget.get_allocation()
|
|
|
|
x = win_x + rectangle.x
|
|
y = win_y + rectangle.y
|
|
minimum, natural_ = self._widget.get_preferred_size()
|
|
|
|
rect = Gdk.Rectangle()
|
|
rect.x = x
|
|
rect.y = y
|
|
rect.width = minimum.width
|
|
rect.height = minimum.height
|
|
|
|
return rect
|
|
|
|
def get_palette_state(self):
|
|
return self._palette_state
|
|
|
|
def _set_palette_state(self, state):
|
|
self._palette_state = state
|
|
|
|
def set_palette_state(self, state):
|
|
self._set_palette_state(state)
|
|
|
|
palette_state = property(get_palette_state)
|
|
|
|
|
|
class _PopupAnimation(animator.Animation):
|
|
|
|
def __init__(self, palette):
|
|
animator.Animation.__init__(self, 0.0, 1.0)
|
|
self._palette = palette
|
|
|
|
def next_frame(self, current):
|
|
if current == 1.0:
|
|
self._palette.popup(immediate=True)
|
|
|
|
|
|
class _PopdownAnimation(animator.Animation):
|
|
|
|
def __init__(self, palette):
|
|
animator.Animation.__init__(self, 0.0, 1.0)
|
|
self._palette = palette
|
|
|
|
def next_frame(self, current):
|
|
if current == 1.0:
|
|
self._palette.popdown(immediate=True)
|
|
|
|
|
|
class Invoker(GObject.GObject):
|
|
|
|
__gtype_name__ = 'SugarPaletteInvoker'
|
|
|
|
__gsignals__ = {
|
|
'mouse-enter': (GObject.SignalFlags.RUN_FIRST, None, ([])),
|
|
'mouse-leave': (GObject.SignalFlags.RUN_FIRST, None, ([])),
|
|
'right-click': (GObject.SignalFlags.RUN_FIRST, None, ([])),
|
|
'toggle-state': (GObject.SignalFlags.RUN_FIRST, None, ([])),
|
|
'focus-out': (GObject.SignalFlags.RUN_FIRST, None, ([])),
|
|
}
|
|
|
|
ANCHORED = 0
|
|
AT_CURSOR = 1
|
|
|
|
BOTTOM = [(0.0, 0.0, 0.0, 1.0), (-1.0, 0.0, 1.0, 1.0)]
|
|
RIGHT = [(0.0, 0.0, 1.0, 0.0), (0.0, -1.0, 1.0, 1.0)]
|
|
TOP = [(0.0, -1.0, 0.0, 0.0), (-1.0, -1.0, 1.0, 0.0)]
|
|
LEFT = [(-1.0, 0.0, 0.0, 0.0), (-1.0, -1.0, 0.0, 1.0)]
|
|
|
|
def __init__(self):
|
|
GObject.GObject.__init__(self)
|
|
|
|
self.parent = None
|
|
|
|
self._screen_area = Gdk.Rectangle()
|
|
self._screen_area.x = self._screen_area.y = 0
|
|
self._screen_area.width = Gdk.Screen.width()
|
|
self._screen_area.height = Gdk.Screen.height()
|
|
self._position_hint = self.ANCHORED
|
|
self._cursor_x = -1
|
|
self._cursor_y = -1
|
|
self._palette = None
|
|
self._cache_palette = True
|
|
self._toggle_palette = False
|
|
|
|
def attach(self, parent):
|
|
self.parent = parent
|
|
|
|
def detach(self):
|
|
self.parent = None
|
|
if self._palette is not None:
|
|
self._palette.destroy()
|
|
self._palette = None
|
|
|
|
def _get_position_for_alignment(self, alignment, palette_dim):
|
|
palette_halign = alignment[0]
|
|
palette_valign = alignment[1]
|
|
invoker_halign = alignment[2]
|
|
invoker_valign = alignment[3]
|
|
|
|
if self._cursor_x == -1 or self._cursor_y == -1:
|
|
if hasattr(self.parent, 'get_display'):
|
|
display = self.parent.get_display()
|
|
else:
|
|
display = Gdk.Display.get_default()
|
|
manager = display.get_device_manager()
|
|
pointer_device = manager.get_client_pointer()
|
|
screen, x, y = pointer_device.get_position()
|
|
self._cursor_x = x
|
|
self._cursor_y = y
|
|
|
|
if self._position_hint is self.ANCHORED:
|
|
rect = self.get_rect()
|
|
else:
|
|
dist = style.PALETTE_CURSOR_DISTANCE
|
|
rect = Gdk.Rectangle()
|
|
rect.x = self._cursor_x - dist
|
|
rect.y = self._cursor_y - dist
|
|
rect.width = rect.height = dist * 2
|
|
|
|
palette_width, palette_height = palette_dim.width, palette_dim.height
|
|
|
|
x = rect.x + rect.width * invoker_halign + \
|
|
palette_width * palette_halign
|
|
|
|
y = rect.y + rect.height * invoker_valign + \
|
|
palette_height * palette_valign
|
|
|
|
rect = Gdk.Rectangle()
|
|
rect.x = int(x)
|
|
rect.y = int(y)
|
|
rect.width = palette_width
|
|
rect.height = palette_height
|
|
return rect
|
|
|
|
def _in_screen(self, rect):
|
|
return rect.x >= self._screen_area.x and \
|
|
rect.y >= self._screen_area.y and \
|
|
rect.x + rect.width <= self._screen_area.width and \
|
|
rect.y + rect.height <= self._screen_area.height
|
|
|
|
def _get_area_in_screen(self, rect):
|
|
"""Return area of rectangle visible in the screen"""
|
|
|
|
x1 = max(rect.x, self._screen_area.x)
|
|
y1 = max(rect.y, self._screen_area.y)
|
|
x2 = min(rect.x + rect.width,
|
|
self._screen_area.x + self._screen_area.width)
|
|
y2 = min(rect.y + rect.height,
|
|
self._screen_area.y + self._screen_area.height)
|
|
|
|
return (x2 - x1) * (y2 - y1)
|
|
|
|
def _get_alignments(self):
|
|
if self._position_hint is self.AT_CURSOR:
|
|
return [(0.0, 0.0, 1.0, 1.0),
|
|
(0.0, -1.0, 1.0, 0.0),
|
|
(-1.0, -1.0, 0.0, 0.0),
|
|
(-1.0, 0.0, 0.0, 1.0)]
|
|
else:
|
|
return self.BOTTOM + self.RIGHT + self.TOP + self.LEFT
|
|
|
|
def get_position_for_alignment(self, alignment, palette_dim):
|
|
rect = self._get_position_for_alignment(alignment, palette_dim)
|
|
if self._in_screen(rect):
|
|
return rect
|
|
else:
|
|
return None
|
|
|
|
def get_position(self, palette_dim):
|
|
alignment = self.get_alignment(palette_dim)
|
|
rect = self._get_position_for_alignment(alignment, palette_dim)
|
|
|
|
# In case our efforts to find an optimum place inside the screen
|
|
# failed, just make sure the palette fits inside the screen if at all
|
|
# possible.
|
|
rect.x = max(0, rect.x)
|
|
rect.y = max(0, rect.y)
|
|
|
|
rect.x = min(rect.x, self._screen_area.width - rect.width)
|
|
rect.y = min(rect.y, self._screen_area.height - rect.height)
|
|
|
|
return rect
|
|
|
|
def get_alignment(self, palette_dim):
|
|
best_alignment = None
|
|
best_area = -1
|
|
for alignment in self._get_alignments():
|
|
pos = self._get_position_for_alignment(alignment, palette_dim)
|
|
if self._in_screen(pos):
|
|
return alignment
|
|
|
|
area = self._get_area_in_screen(pos)
|
|
if area > best_area:
|
|
best_alignment = alignment
|
|
best_area = area
|
|
|
|
# Palette horiz/vert alignment
|
|
ph = best_alignment[0]
|
|
pv = best_alignment[1]
|
|
|
|
# Invoker horiz/vert alignment
|
|
ih = best_alignment[2]
|
|
iv = best_alignment[3]
|
|
|
|
rect = self.get_rect()
|
|
screen_area = self._screen_area
|
|
|
|
if best_alignment in self.LEFT or best_alignment in self.RIGHT:
|
|
dtop = rect.y - screen_area.y
|
|
dbottom = screen_area.y + screen_area.height - rect.y - rect.width
|
|
|
|
iv = 0
|
|
|
|
# Set palette_valign to align to screen on the top
|
|
if dtop > dbottom:
|
|
pv = -float(dtop) / palette_dim.height
|
|
|
|
# Set palette_valign to align to screen on the bottom
|
|
else:
|
|
pv = -float(palette_dim.height - dbottom - rect.height) \
|
|
/ palette_dim.height
|
|
|
|
elif best_alignment in self.TOP or best_alignment in self.BOTTOM:
|
|
dleft = rect.x - screen_area.x
|
|
dright = screen_area.x + screen_area.width - rect.x - rect.width
|
|
|
|
ih = 0
|
|
|
|
# Set palette_halign to align to screen on left
|
|
if dleft > dright:
|
|
ph = -float(dleft) / palette_dim.width
|
|
|
|
# Set palette_halign to align to screen on right
|
|
else:
|
|
ph = -float(palette_dim.width - dright - rect.width) \
|
|
/ palette_dim.width
|
|
|
|
return (ph, pv, ih, iv)
|
|
|
|
def has_rectangle_gap(self):
|
|
return False
|
|
|
|
def draw_rectangle(self, event, palette):
|
|
pass
|
|
|
|
def notify_popup(self):
|
|
pass
|
|
|
|
def notify_popdown(self):
|
|
self._cursor_x = -1
|
|
self._cursor_y = -1
|
|
|
|
def _ensure_palette_exists(self):
|
|
if self.parent and self.palette is None:
|
|
palette = self.parent.create_palette()
|
|
if palette is not None:
|
|
self.palette = palette
|
|
|
|
def notify_mouse_enter(self):
|
|
self._ensure_palette_exists()
|
|
self.emit('mouse-enter')
|
|
|
|
def notify_mouse_leave(self):
|
|
self.emit('mouse-leave')
|
|
|
|
def notify_right_click(self):
|
|
self._ensure_palette_exists()
|
|
self.emit('right-click')
|
|
|
|
def notify_toggle_state(self):
|
|
self._ensure_palette_exists()
|
|
self.emit('toggle-state')
|
|
|
|
def get_palette(self):
|
|
return self._palette
|
|
|
|
def set_palette(self, palette):
|
|
if self._palette is not None:
|
|
self._palette.popdown(immediate=True)
|
|
self._palette.props.invoker = None
|
|
# GTK pops down the palette before it invokes the actions on the
|
|
# menu item. We need to postpone destruction of the palette until
|
|
# after all signals have propagated from the menu item to the
|
|
# palette owner.
|
|
GObject.idle_add(lambda old_palette=self._palette:
|
|
old_palette.destroy(),
|
|
priority=GObject.PRIORITY_LOW)
|
|
|
|
self._palette = palette
|
|
|
|
if self._palette is not None:
|
|
self._palette.props.invoker = self
|
|
self._palette.connect('popdown', self.__palette_popdown_cb)
|
|
|
|
palette = GObject.property(
|
|
type=object, setter=set_palette, getter=get_palette)
|
|
|
|
def get_cache_palette(self):
|
|
return self._cache_palette
|
|
|
|
def set_cache_palette(self, cache_palette):
|
|
self._cache_palette = cache_palette
|
|
|
|
cache_palette = GObject.property(type=object, setter=set_cache_palette,
|
|
getter=get_cache_palette)
|
|
"""Whether the invoker will cache the palette after its creation. Defaults
|
|
to True.
|
|
"""
|
|
|
|
def get_toggle_palette(self):
|
|
return self._toggle_palette
|
|
|
|
def set_toggle_palette(self, toggle_palette):
|
|
self._toggle_palette = toggle_palette
|
|
|
|
toggle_palette = GObject.property(type=object, setter=set_toggle_palette,
|
|
getter=get_toggle_palette)
|
|
"""Whether the invoker will popup/popdown the Palette on
|
|
button left click/touch tap. Defaults to False.
|
|
"""
|
|
|
|
def __palette_popdown_cb(self, palette):
|
|
if not self.props.cache_palette:
|
|
self.set_palette(None)
|
|
|
|
|
|
class WidgetInvoker(Invoker):
|
|
|
|
def __init__(self, parent=None, widget=None):
|
|
Invoker.__init__(self)
|
|
|
|
self._widget = None
|
|
self._enter_hid = None
|
|
self._leave_hid = None
|
|
self._release_hid = None
|
|
|
|
if parent or widget:
|
|
self.attach_widget(parent, widget)
|
|
|
|
def attach_widget(self, parent, widget=None):
|
|
if widget:
|
|
self._widget = widget
|
|
else:
|
|
self._widget = parent
|
|
|
|
self.notify('widget')
|
|
|
|
self._enter_hid = self._widget.connect('enter-notify-event',
|
|
self.__enter_notify_event_cb)
|
|
self._leave_hid = self._widget.connect('leave-notify-event',
|
|
self.__leave_notify_event_cb)
|
|
self._release_hid = self._widget.connect('button-release-event',
|
|
self.__button_release_event_cb)
|
|
|
|
self.attach(parent)
|
|
|
|
def detach(self):
|
|
Invoker.detach(self)
|
|
self._widget.disconnect(self._enter_hid)
|
|
self._widget.disconnect(self._leave_hid)
|
|
self._widget.disconnect(self._release_hid)
|
|
|
|
def get_rect(self):
|
|
allocation = self._widget.get_allocation()
|
|
window = self._widget.get_window()
|
|
if window is not None:
|
|
res_, x, y = window.get_origin()
|
|
else:
|
|
logging.warning(
|
|
"Trying to position palette with invoker that's not realized.")
|
|
x = 0
|
|
y = 0
|
|
|
|
if not self._widget.get_has_window():
|
|
x += allocation.x
|
|
y += allocation.y
|
|
|
|
rect = Gdk.Rectangle()
|
|
rect.x = x
|
|
rect.y = y
|
|
rect.width = allocation.width
|
|
rect.height = allocation.height
|
|
return rect
|
|
|
|
def has_rectangle_gap(self):
|
|
return True
|
|
|
|
def draw_rectangle(self, cr, palette):
|
|
allocation = self.parent.get_allocation()
|
|
|
|
context = self.parent.get_style_context()
|
|
context.add_class('toolitem')
|
|
|
|
gap = _calculate_gap(self.get_rect(), palette.get_rect())
|
|
if gap:
|
|
Gtk.render_frame_gap(context, cr, 0, 0,
|
|
allocation.width,
|
|
allocation.height,
|
|
gap[0], gap[1], gap[1] + gap[2])
|
|
|
|
def __enter_notify_event_cb(self, widget, event):
|
|
if event.mode == Gdk.CrossingMode.NORMAL:
|
|
self.notify_mouse_enter()
|
|
|
|
def __leave_notify_event_cb(self, widget, event):
|
|
if event.mode == Gdk.CrossingMode.NORMAL:
|
|
self.notify_mouse_leave()
|
|
|
|
def __button_release_event_cb(self, widget, event):
|
|
if event.button == 1:
|
|
if self.props.toggle_palette:
|
|
self.notify_toggle_state()
|
|
elif event.button == 3:
|
|
self.notify_right_click()
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def get_toplevel(self):
|
|
return self._widget.get_toplevel()
|
|
|
|
def notify_popup(self):
|
|
Invoker.notify_popup(self)
|
|
self._widget.queue_draw()
|
|
|
|
def notify_popdown(self):
|
|
Invoker.notify_popdown(self)
|
|
self._widget.queue_draw()
|
|
|
|
def _get_widget(self):
|
|
return self._widget
|
|
widget = GObject.property(type=object, getter=_get_widget, setter=None)
|
|
|
|
|
|
class CursorInvoker(Invoker):
|
|
|
|
def __init__(self, parent=None):
|
|
Invoker.__init__(self)
|
|
|
|
self._position_hint = self.AT_CURSOR
|
|
self._enter_hid = None
|
|
self._leave_hid = None
|
|
self._release_hid = None
|
|
self._item = None
|
|
self._long_pressed_recognized = False
|
|
self._long_pressed_hid = None
|
|
self._long_pressed_controller = SugarGestures.LongPressController()
|
|
|
|
if parent:
|
|
self.attach(parent)
|
|
|
|
def attach(self, parent):
|
|
Invoker.attach(self, parent)
|
|
|
|
self._item = parent
|
|
self._enter_hid = self._item.connect('enter-notify-event',
|
|
self.__enter_notify_event_cb)
|
|
self._leave_hid = self._item.connect('leave-notify-event',
|
|
self.__leave_notify_event_cb)
|
|
self._release_hid = self._item.connect('button-release-event',
|
|
self.__button_release_event_cb)
|
|
self._long_pressed_hid = self._long_pressed_controller.connect('pressed', \
|
|
self.__long_pressed_event_cb, self._item)
|
|
self._long_pressed_controller.attach(self._item, \
|
|
SugarGestures.EventControllerFlags.NONE)
|
|
|
|
def detach(self):
|
|
Invoker.detach(self)
|
|
self._item.disconnect(self._enter_hid)
|
|
self._item.disconnect(self._leave_hid)
|
|
self._item.disconnect(self._release_hid)
|
|
self._long_pressed_controller.detach(self._item)
|
|
self._long_pressed_controller.disconnect(self._long_pressed_hid)
|
|
|
|
def get_default_position(self):
|
|
return self.AT_CURSOR
|
|
|
|
def get_rect(self):
|
|
window = self._item.get_window()
|
|
allocation = self._item.get_allocation()
|
|
rect = Gdk.Rectangle()
|
|
rect.x, rect.y = window.get_root_coords(allocation.x, allocation.y)
|
|
rect.width = allocation.width
|
|
rect.height = allocation.height
|
|
return rect
|
|
|
|
def __enter_notify_event_cb(self, button, event):
|
|
if event.mode == Gdk.CrossingMode.NORMAL:
|
|
self.notify_mouse_enter()
|
|
return False
|
|
|
|
def __leave_notify_event_cb(self, button, event):
|
|
if event.mode == Gdk.CrossingMode.NORMAL:
|
|
self.notify_mouse_leave()
|
|
return False
|
|
|
|
def __button_release_event_cb(self, button, event):
|
|
if self._long_pressed_recognized:
|
|
self._long_pressed_recognized = False
|
|
return True
|
|
if event.button == 1:
|
|
if self.props.toggle_palette:
|
|
self.notify_toggle_state()
|
|
if event.button == 3:
|
|
self.notify_right_click()
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def __long_pressed_event_cb(self, controller, x, y, widget):
|
|
self._long_pressed_recognized = True
|
|
self.notify_right_click()
|
|
|
|
def get_toplevel(self):
|
|
return self._item.get_toplevel()
|
|
|
|
|
|
class ToolInvoker(WidgetInvoker):
|
|
|
|
def __init__(self, parent=None):
|
|
WidgetInvoker.__init__(self)
|
|
|
|
if parent:
|
|
self.attach_tool(parent)
|
|
|
|
def attach_tool(self, widget):
|
|
self.attach_widget(widget, widget.get_child())
|
|
|
|
def _get_alignments(self):
|
|
parent = self._widget.get_parent()
|
|
if parent is None:
|
|
return WidgetInvoker._get_alignments(self)
|
|
|
|
if parent.get_orientation() is Gtk.Orientation.HORIZONTAL:
|
|
return self.BOTTOM + self.TOP
|
|
else:
|
|
return self.LEFT + self.RIGHT
|
|
|
|
|
|
class CellRendererInvoker(Invoker):
|
|
|
|
def __init__(self):
|
|
Invoker.__init__(self)
|
|
|
|
self._position_hint = self.AT_CURSOR
|
|
self._tree_view = None
|
|
self._cell_renderer = None
|
|
self._motion_hid = None
|
|
self._leave_hid = None
|
|
self._release_hid = None
|
|
self.path = None
|
|
|
|
def attach_cell_renderer(self, tree_view, cell_renderer):
|
|
self._tree_view = tree_view
|
|
self._cell_renderer = cell_renderer
|
|
|
|
self._motion_hid = tree_view.connect('motion-notify-event',
|
|
self.__motion_notify_event_cb)
|
|
self._leave_hid = tree_view.connect('leave-notify-event',
|
|
self.__leave_notify_event_cb)
|
|
self._release_hid = tree_view.connect('button-release-event',
|
|
self.__button_release_event_cb)
|
|
|
|
Invoker.attach(self, cell_renderer)
|
|
|
|
def detach(self):
|
|
Invoker.detach(self)
|
|
self._tree_view.disconnect(self._motion_hid)
|
|
self._tree_view.disconnect(self._leave_hid)
|
|
self._tree_view.disconnect(self._release_hid)
|
|
|
|
def get_rect(self):
|
|
allocation = self._tree_view.get_allocation()
|
|
window = self._tree_view.get_window()
|
|
if window is not None:
|
|
res, x, y = window.get_origin()
|
|
else:
|
|
logging.warning(
|
|
"Trying to position palette with invoker that's not realized.")
|
|
x = 0
|
|
y = 0
|
|
|
|
rect = Gdk.Rectangle()
|
|
rect.x = x + allocation.x
|
|
rect.y = y + allocation.y
|
|
|
|
rect.width = allocation.width
|
|
rect.height = allocation.height
|
|
|
|
return rect
|
|
|
|
def __motion_notify_event_cb(self, widget, event):
|
|
if event.window != widget.get_bin_window():
|
|
return
|
|
if self._point_in_cell_renderer(event.x, event.y):
|
|
|
|
tree_view = self._tree_view
|
|
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
|
|
int(event.y))
|
|
if path != self.path:
|
|
if self.path is not None:
|
|
self._redraw_path(self.path)
|
|
if path is not None:
|
|
self._redraw_path(path)
|
|
if self.palette is not None:
|
|
self.palette.popdown(immediate=True)
|
|
self.palette = None
|
|
self.path = path
|
|
|
|
self.notify_mouse_enter()
|
|
else:
|
|
if self.path is not None:
|
|
self._redraw_path(self.path)
|
|
self.path = None
|
|
self.notify_mouse_leave()
|
|
|
|
def _redraw_path(self, path):
|
|
column = None
|
|
for column in self._tree_view.get_columns():
|
|
if self._cell_renderer in column.get_cells():
|
|
break
|
|
assert column is not None
|
|
area = self._tree_view.get_background_area(path, column)
|
|
x, y = \
|
|
self._tree_view.convert_bin_window_to_widget_coords(area.x, area.y)
|
|
self._tree_view.queue_draw_area(x, y, area.width, area.height)
|
|
|
|
def __leave_notify_event_cb(self, widget, event):
|
|
if event.mode == Gdk.CrossingMode.NORMAL:
|
|
self.notify_mouse_leave()
|
|
return False
|
|
|
|
def __button_release_event_cb(self, widget, event):
|
|
if event.button == 1 and self._point_in_cell_renderer(event.x,
|
|
event.y):
|
|
tree_view = self._tree_view
|
|
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
|
|
int(event.y))
|
|
self._cell_renderer.emit('clicked', path)
|
|
# So the treeview receives it and knows a drag isn't going on
|
|
return False
|
|
if event.button == 3 and self._point_in_cell_renderer(event.x,
|
|
event.y):
|
|
self.notify_right_click()
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def _point_in_cell_renderer(self, event_x, event_y):
|
|
pos = self._tree_view.get_path_at_pos(int(event_x), int(event_y))
|
|
if pos is None:
|
|
return False
|
|
|
|
path_, column, x, y_ = pos
|
|
|
|
for cell_renderer in column.get_cells():
|
|
if cell_renderer == self._cell_renderer:
|
|
cell_x, cell_width = column.cell_get_position(cell_renderer)
|
|
if x > cell_x and x < (cell_x + cell_width):
|
|
return True
|
|
return False
|
|
|
|
return False
|
|
|
|
def get_toplevel(self):
|
|
return self._tree_view.get_toplevel()
|
|
|
|
def notify_popup(self):
|
|
Invoker.notify_popup(self)
|
|
|
|
def notify_popdown(self):
|
|
Invoker.notify_popdown(self)
|
|
self.palette = None
|
|
|
|
def get_default_position(self):
|
|
return self.AT_CURSOR
|