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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
# Copyright (C) 2010, Aleksey Lim
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import logging
import gtk
import gobject
import pango
class Entry(gtk.TextView):
"""One paragraph string entry with additional features
* multi line mode for wrapping long lines
* having wrapping and ellipses simultaneously in inactive mode
* accent in inactive mode
NOTE: Use text property instead of buffer, buffer's value will be
changed in inactive mode
"""
def __init__(self, **kwargs):
self._max_line_count = 1
self._text = None
gobject.GObject.__init__(self, **kwargs)
self._tag = self.props.buffer.create_tag()
self._tag.props.weight = pango.WEIGHT_BOLD
gtk.TextView.set_accepts_tab(self, False)
self.set_max_line_count(self._max_line_count)
self.connect('key-press-event', self.__key_press_event_cb)
self.connect('focus-in-event', self.__focus_in_event_cb)
self.connect('focus-out-event', self.__focus_out_event_cb)
self.connect('button-release-event', self.__button_release_event_cb)
def set_accepts_tab(self, value):
# accepts_tab cannot be set by users
assert(False)
def get_accepts_tab(self):
return gtk.TextView.get_accepts_tab()
accepts_tab = gobject.property(
getter=get_accepts_tab, setter=set_accepts_tab)
def set_wrap_mode(self, value):
# accepts_tab cannot be set by users
assert(False)
def get_wrap_mode(self):
return gtk.TextView.get_wrap_mode()
wrap_mode = gobject.property(
getter=get_wrap_mode, setter=set_wrap_mode)
def get_max_line_count(self):
return self._max_line_count
def set_max_line_count(self, max_line_count):
max_line_count = max(1, max_line_count)
self._max_line_count = max_line_count
if max_line_count == 1:
gtk.TextView.set_wrap_mode(self, gtk.WRAP_NONE)
else:
gtk.TextView.set_wrap_mode(self, gtk.WRAP_WORD)
context = self.get_pango_context()
metrics = context.get_metrics(self.style.font_desc)
line_height = pango.PIXELS(metrics.get_ascent() + \
metrics.get_descent())
self.set_size_request(-1, line_height * max_line_count)
max_line_count = gobject.property(
getter=get_max_line_count, setter=set_max_line_count)
def get_text(self):
return self._text
def set_text(self, value):
self._text = value
self.props.buffer.props.text = value
if not self.props.has_focus:
self._accept()
text = gobject.property(getter=get_text, setter=set_text)
def do_size_allocate(self, allocation):
gtk.TextView.do_size_allocate(self, allocation)
if not self.props.has_focus:
self._accept()
def _accept(self):
if self._text is None:
return
gtk.TextView.set_wrap_mode(self, gtk.WRAP_WORD)
buf = self.props.buffer
buf.props.text = self._text
def accent():
start = buf.get_start_iter()
end = buf.get_end_iter()
buf.apply_tag(self._tag, start, end)
def last_offset():
iter = buf.get_start_iter()
for __ in xrange(self._max_line_count):
if not self.forward_display_line(iter):
return None
return iter.get_offset()
accent()
offset = last_offset()
if offset is not None:
offset = len(buf.props.text[:offset].rstrip()) - 1
buf.props.text = buf.props.text[:offset] + '...'
final_offset = last_offset()
if final_offset is not None and final_offset < offset + 3:
# ellipses added new line
buf.props.text = buf.props.text[:offset - 3] + '...'
accent()
def __button_release_event_cb(self, widget, event):
buf = self.props.buffer
if not buf.get_has_selection():
buf.select_range(buf.get_end_iter(), buf.get_start_iter())
return False
def __focus_in_event_cb(self, widget, event):
self.props.buffer.props.text = self._text
if self._max_line_count == 1:
gtk.TextView.set_wrap_mode(self, gtk.WRAP_NONE)
else:
gtk.TextView.set_wrap_mode(self, gtk.WRAP_WORD)
return False
def __focus_out_event_cb(self, widget, event):
self._text = self.props.buffer.props.text
self._accept()
return False
def __key_press_event_cb(self, widget, event):
ignore_mask = [gtk.keysyms.Return]
if self._max_line_count == 1:
ignore_mask.extend([gtk.keysyms.Up, gtk.keysyms.Down])
if event.keyval in ignore_mask:
key_event = event
if event.keyval in [gtk.keysyms.Up]:
# change Shift mask for backwards keys
if key_event.state & gtk.gdk.SHIFT_MASK:
key_event.state &= ~gtk.gdk.SHIFT_MASK
else:
key_event.state |= gtk.gdk.SHIFT_MASK
key_event.keyval = gtk.keysyms.Tab
key_event.hardware_keycode = 0
gtk.main_do_event(key_event)
return True
return False
|