source: src/mlx/gui/delaycodes.py@ 434:edeec38910a5

Last change on this file since 434:edeec38910a5 was 433:340267206759, checked in by István Váradi <ivaradi@…>, 12 years ago

Added the beginnings of the new delay code list widget (re #154)
File size: 7.8 KB
Line 
1# Module to handle the GUI aspects of the table of the delay codes
2
3#------------------------------------------------------------------------------
4
5from mlx.gui.common import *
6
7#------------------------------------------------------------------------------
8
9if pygobject:
10
11#------------------------------------------------------------------------------
12
13 class Viewport(gtk.Viewport):
14 """Viewport implementation that alleviates the problem with improper
15 resizing by the VBox."""
16 def __init__(self):
17 """Construct the viewport."""
18 gtk.Viewport.__init__(self)
19 self._recursive = False
20 self._vboxHeight = None
21
22 def setVBOXHeight(self, vboxHeight):
23 """Set the height of the VBox which will be used to calculate the
24 viewport's height."""
25 self._vboxHeight = vboxHeight
26
27 def do_size_allocate(self, allocation):
28 """Called when the viewport's size is allocated.
29
30 The height in the allocation object is modified so that it is only
31 so high to fit into the VBox."""
32 if self._vboxHeight is not None:
33 allocation.height = self._vboxHeight - allocation.y
34 self._vboxHeight = None
35 gtk.Viewport.do_size_allocate(self, allocation)
36
37 class DelayCodeTableBase(gtk.VBox, gtk.Scrollable):
38 """PyGObject-specific base class for the delay code table."""
39
40 # if alloc is not None:
41 # import gi.repository.cairo
42 # allocation1 = gi.repository.cairo.RectangleInt()
43 # allocation1.x = allocation.x
44 # allocation1.y = allocation.y
45 # allocation1.width = allocation.width
46 # allocation1.height = height = alloc[3] - allocation.y
47 # allocation = allocation1
48
49
50
51 __gproperties__ = {
52 "vscroll-policy" : ( gtk.ScrollablePolicy,
53 "vscroll-policy",
54 "The vertical scrolling policy",
55 gtk.ScrollablePolicy.MINIMUM,
56 gobject.PARAM_READWRITE ),
57 "vadjustment" : ( gtk.Adjustment,
58 "vadjustment",
59 "The vertical adjustment",
60 gobject.PARAM_READWRITE ),
61 "hscroll-policy" : ( gtk.ScrollablePolicy,
62 "hscroll-policy",
63 "The horizontal scrolling policy",
64 gtk.ScrollablePolicy.MINIMUM,
65 gobject.PARAM_READWRITE ),
66 "hadjustment" : ( gtk.Adjustment,
67 "hadjustment",
68 "The horizontal adjustment",
69 gobject.PARAM_READWRITE ) }
70
71
72 @staticmethod
73 def _createViewport():
74 """Create an instance of the viewport class used by this base class."""
75 return Viewport()
76
77 def __init__(self):
78 """Construct the delay code table."""
79 super(DelayCodeTableBase, self).__init__()
80
81 def do_size_allocate(self, allocation):
82 """Allocate the size for the table and its children.
83
84 This sets up the VBox height in the viewport and then calls the
85 do_size_allocate() function of VBox()."""
86 self._viewport.setVBOXHeight(allocation.height)
87 gtk.VBox.do_size_allocate(self, allocation)
88 self.allocate_column_sizes(allocation)
89
90 def do_get_property(self, prop):
91 """Get the value of one of the properties defined above.
92
93 The request is forwarded to the viewport."""
94 if prop.name=="vscroll-policy":
95 return self._viewport.get_vscroll_policy()
96 elif prop.name=="hscroll-policy":
97 return self._viewport.get_hscroll_policy()
98 elif prop.name=="vadjustment":
99 return self._viewport.get_vadjustment()
100 elif prop.name=="hadjustment":
101 return self._viewport.get_hadjustment()
102 else:
103 raise AttributeError("mlx.gui.delaycodes.DelayCodeTableBase: property %s is not handled in do_get_property" %
104 (prop.name,))
105
106 def do_set_property(self, prop, value):
107 """Set the value of the adjustment properties defined above.
108
109 The adjustments are forwarded to the viewport."""
110 if prop.name=="vadjustment":
111 self._viewport.set_vadjustment(value)
112 elif prop.name=="hadjustment":
113 self._viewport.set_hadjustment(value)
114 else:
115 raise AttributeError("mlx.gui.delaycodes.DelayCodeTableBase: property %s is not handled in do_set_property" %
116 (prop.name,))
117
118#------------------------------------------------------------------------------
119
120else: # pygobject
121
122#------------------------------------------------------------------------------
123
124 class DelayCodeTableBase (gtk.VBox):
125 """Base class of the delay code table for PyGtk."""
126
127 __gsignals__ = {
128 "set-scroll-adjustments": (
129 gobject.SIGNAL_RUN_LAST,
130 gobject.TYPE_NONE, (gtk.Adjustment, gtk.Adjustment))
131 }
132
133 @staticmethod
134 def _createViewport():
135 """Create an instance of the viewport class used by this base class."""
136 return gtk.Viewport()
137
138 def __init__(self):
139 """Construct the base class."""
140 super(DelayCodeTableBase, self).__init__()
141 self.set_set_scroll_adjustments_signal("set-scroll-adjustments")
142 self.connect("size-allocate", self._do_size_allocate)
143
144 def do_set_scroll_adjustments(self, hAdjustment, vAdjustment):
145 """Set the adjustments on the viewport."""
146 self._viewport.set_hadjustment(hAdjustment)
147 self._viewport.set_vadjustment(vAdjustment)
148
149 def _do_size_allocate(self, widget, allocation):
150 """Handler of the size-allocate signal.
151
152 Calls allocate_column_sizes()."""
153 self.allocate_column_sizes(allocation)
154
155#------------------------------------------------------------------------------
156
157class DelayCodeTable(DelayCodeTableBase):
158 """The delay code table."""
159 def __init__(self):
160 """Construct the delay code table."""
161 super(DelayCodeTable, self).__init__()
162
163 self._listStore = gtk.ListStore(str, str, str, str)
164 self._treeView = gtk.TreeView(self._listStore)
165 column = gtk.TreeViewColumn("IATA", gtk.CellRendererText())
166 column.set_sizing(TREE_VIEW_COLUMN_FIXED)
167 self._treeView.append_column(column)
168 column = gtk.TreeViewColumn("Description", gtk.CellRendererText())
169 column.set_sizing(TREE_VIEW_COLUMN_FIXED)
170 self._treeView.append_column(column)
171
172 self.pack_start(self._treeView, False, False, 0)
173
174 self._table = gtk.Table(10, 2)
175 for i in range(0, 10):
176 self._table.attach(gtk.Label("ZZZ" + `i`), 0, 1, i, i+1)
177 self._table.attach(gtk.Label("AAA" + `i`), 1, 2, i, i+1)
178
179 self._viewport = self._createViewport()
180 self._viewport.add(self._table)
181 self._viewport.set_shadow_type(SHADOW_NONE)
182
183 self.pack_start(self._viewport, True, True, 0)
184
185 self._previousWidth = 0
186
187 def allocate_column_sizes(self, allocation):
188 """Allocate the column sizes."""
189 if allocation.width!=self._previousWidth:
190 self._previousWidth = allocation.width
191 column0 = self._treeView.get_column(0)
192 column0.set_fixed_width(allocation.width/2)
193 column1 = self._treeView.get_column(1)
194 column1.set_fixed_width(allocation.width/2)
195
196#------------------------------------------------------------------------------
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