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
185
186
187
188
189
|
"""
Copyright 2007-2011 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion 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.
GNU Radio Companion 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 Street, Fifth Floor, Boston, MA 02110-1301, USA
"""
import Utils
from Element import Element
import pygtk
pygtk.require('2.0')
import gtk
import Colors
class InputParam(gtk.HBox):
"""The base class for an input parameter inside the input parameters dialog."""
def __init__(self, param, callback=None):
gtk.HBox.__init__(self)
self.param = param
self._callback = callback
self.label = gtk.Label() #no label, markup is added by set_markup
self.label.set_size_request(150, -1)
self.pack_start(self.label, False)
self.set_markup = lambda m: self.label.set_markup(m)
self.tp = None
#connect events
self.connect('show', self._update_gui)
def set_color(self, color): pass
def set_tooltip_text(self, text): pass
def _update_gui(self, *args):
"""
Set the markup, color, tooltip, show/hide.
"""
#set the markup
has_cb = \
hasattr(self.param.get_parent(), 'get_callbacks') and \
filter(lambda c: self.param.get_key() in c, self.param.get_parent()._callbacks)
self.set_markup(Utils.parse_template(PARAM_LABEL_MARKUP_TMPL, param=self.param, has_cb=has_cb))
#set the color
self.set_color(self.param.get_color())
#set the tooltip
self.set_tooltip_text(
Utils.parse_template(TIP_MARKUP_TMPL, param=self.param).strip(),
)
#show/hide
if self.param.get_hide() == 'all': self.hide_all()
else: self.show_all()
def _handle_changed(self, *args):
"""
Handle a gui change by setting the new param value,
calling the callback (if applicable), and updating.
"""
#set the new value
self.param.set_value(self.get_text())
#call the callback
if self._callback: self._callback(*args)
else: self.param.validate()
#gui update
self._update_gui()
class EntryParam(InputParam):
"""Provide an entry box for strings and numbers."""
def __init__(self, *args, **kwargs):
InputParam.__init__(self, *args, **kwargs)
self._input = gtk.Entry()
self._input.set_text(self.param.get_value())
self._input.connect('changed', self._handle_changed)
self.pack_start(self._input, True)
def get_text(self): return self._input.get_text()
def set_color(self, color):
self._input.modify_base(gtk.STATE_NORMAL, gtk.gdk.color_parse(color))
self._input.modify_text(gtk.STATE_NORMAL, Colors.PARAM_ENTRY_TEXT_COLOR)
def set_tooltip_text(self, text): self._input.set_tooltip_text(text)
class EnumParam(InputParam):
"""Provide an entry box for Enum types with a drop down menu."""
def __init__(self, *args, **kwargs):
InputParam.__init__(self, *args, **kwargs)
self._input = gtk.combo_box_new_text()
for option in self.param.get_options(): self._input.append_text(option.get_name())
self._input.set_active(self.param.get_option_keys().index(self.param.get_value()))
self._input.connect('changed', self._handle_changed)
self.pack_start(self._input, False)
def get_text(self): return self.param.get_option_keys()[self._input.get_active()]
def set_tooltip_text(self, text): self._input.set_tooltip_text(text)
class EnumEntryParam(InputParam):
"""Provide an entry box and drop down menu for Raw Enum types."""
def __init__(self, *args, **kwargs):
InputParam.__init__(self, *args, **kwargs)
self._input = gtk.combo_box_entry_new_text()
for option in self.param.get_options(): self._input.append_text(option.get_name())
try: self._input.set_active(self.param.get_option_keys().index(self.param.get_value()))
except:
self._input.set_active(-1)
self._input.get_child().set_text(self.param.get_value())
self._input.connect('changed', self._handle_changed)
self._input.get_child().connect('changed', self._handle_changed)
self.pack_start(self._input, False)
def get_text(self):
if self._input.get_active() == -1: return self._input.get_child().get_text()
return self.param.get_option_keys()[self._input.get_active()]
def set_tooltip_text(self, text):
if self._input.get_active() == -1: #custom entry
self._input.get_child().set_tooltip_text(text)
else: self._input.set_tooltip_text(text)
def set_color(self, color):
if self._input.get_active() == -1: #custom entry, use color
self._input.get_child().modify_base(gtk.STATE_NORMAL, gtk.gdk.color_parse(color))
self._input.get_child().modify_text(gtk.STATE_NORMAL, Colors.PARAM_ENTRY_TEXT_COLOR)
else: #from enum, make pale background
self._input.get_child().modify_base(gtk.STATE_NORMAL, Colors.ENTRYENUM_CUSTOM_COLOR)
self._input.get_child().modify_text(gtk.STATE_NORMAL, Colors.PARAM_ENTRY_TEXT_COLOR)
PARAM_MARKUP_TMPL="""\
#set $foreground = $param.is_valid() and 'black' or 'red'
<span foreground="$foreground" font_desc="Sans 7.5"><b>$encode($param.get_name()): </b>$encode(repr($param))</span>"""
PARAM_LABEL_MARKUP_TMPL="""\
#set $foreground = $param.is_valid() and 'black' or 'red'
#set $underline = $has_cb and 'low' or 'none'
<span underline="$underline" foreground="$foreground" font_desc="Sans 9">$encode($param.get_name())</span>"""
TIP_MARKUP_TMPL="""\
########################################
#def truncate(string)
#set $max_len = 100
#set $string = str($string)
#if len($string) > $max_len
$('%s...%s'%($string[:$max_len/2], $string[-$max_len/2:]))#slurp
#else
$string#slurp
#end if
#end def
########################################
Key: $param.get_key()
Type: $param.get_type()
#if $param.is_valid()
Value: $truncate($param.get_evaluated())
#elif len($param.get_error_messages()) == 1
Error: $(param.get_error_messages()[0])
#else
Error:
#for $error_msg in $param.get_error_messages()
* $error_msg
#end for
#end if"""
class Param(Element):
"""The graphical parameter."""
def __init__(self): Element.__init__(self)
def get_input(self, *args, **kwargs):
"""
Get the graphical gtk class to represent this parameter.
An enum requires and combo parameter.
A non-enum with options gets a combined entry/combo parameter.
All others get a standard entry parameter.
@return gtk input class
"""
if self.is_enum(): return EnumParam(self, *args, **kwargs)
if self.get_options(): return EnumEntryParam(self, *args, **kwargs)
return EntryParam(self, *args, **kwargs)
def get_markup(self):
"""
Get the markup for this param.
@return a pango markup string
"""
return Utils.parse_template(PARAM_MARKUP_TMPL, param=self)
|
