1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
# Copyright (C) 2007, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gtk
import gobject
import time
from sugar.graphics.icon import Icon
from sugar.graphics.palette import *
class ToolButton(gtk.ToolButton):
_POPUP_PALETTE_DELAY = 100
def __init__(self, icon_name=None):
gtk.ToolButton.__init__(self)
self._palette = None
self.set_icon(icon_name)
self.child.connect('enter-notify-event',self._enter_notify_event_cb)
self.child.connect('leave-notify-event',self._leave_notify_event_cb)
self._enter_tag = None
self._leave_tag = None
def set_icon(self, icon_name):
icon = Icon(icon_name)
self.set_icon_widget(icon)
icon.show()
def set_palette(self, palette):
self._palette = palette
self._palette.props.invoker = WidgetInvoker(self)
def set_tooltip(self, text):
if self._palette:
self._palette.destroy()
self._palette = Palette(is_tooltip=True)
self._palette.set_primary_state(text)
self._palette.props.invoker = WidgetInvoker(self)
def _enter_notify_event_cb(self, widget, event):
gtk.gdk.pointer_ungrab()
if self._leave_tag:
gobject.source_remove(self._leave_tag)
self._leave_tag = None
self._enter_tag = gobject.timeout_add(self._POPUP_PALETTE_DELAY, \
self._show_palette)
def _leave_notify_event_cb(self, widget, event):
if self._enter_tag:
gobject.source_remove(self._enter_tag)
self._enter_tag = None
self._leave_tag = gobject.timeout_add(self._POPUP_PALETTE_DELAY,\
self._hide_palette)
def _show_palette(self):
self._palette.popup()
return False
def _hide_palette(self):
# Just hide the palette if the mouse pointer is
# out of the toolbutton and the palette
if self._is_mouse_out(self._palette):
self._palette.popdown()
else:
gtk.gdk.pointer_ungrab()
return False
def _pointer_grab(self):
gtk.gdk.pointer_grab(self.window, owner_events=True,\
event_mask=gtk.gdk.PROPERTY_CHANGE_MASK )
def _is_mouse_out(self, widget):
mouse_x, mouse_y = widget.get_pointer()
event_rect = gdk.Rectangle(mouse_x, mouse_y, 1, 1)
if (widget.allocation.intersect(event_rect).width==0):
return True
else:
return False
|
