/usr/lib/python2.7/dist-packages/ginga/gtkw/Widgets.py is in python-ginga 2.6.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Widgets.py -- wrapped Gtk widgets and convenience functions
#
# This is open-source software licensed under a BSD license.
# Please see the file LICENSE.txt for details.
#
from ginga.gtkw import GtkHelp
import ginga.util.six as six
import gtk
import gobject
from ginga.misc import Callback, Bunch, LineHistory
from functools import reduce
class WidgetError(Exception):
"""For errors thrown in this module."""
pass
# (see TabWidget)
_widget_move_event = None
_app = None
# BASE
class WidgetBase(Callback.Callbacks):
def __init__(self):
super(WidgetBase, self).__init__()
self.widget = None
# external data can be attached here
self.extdata = Bunch.Bunch()
def get_widget(self):
return self.widget
def set_tooltip(self, text):
self.widget.set_tooltip_text(text)
def set_enabled(self, tf):
self.widget.set_sensitive(tf)
def get_size(self):
window = self.widget.get_window()
if window is not None:
# NOTE: we don't seem to get accurate information unless
# the window is actually mapped, thus the test
rect = self.widget.get_allocation()
x, y, wd, ht = rect.x, rect.y, rect.width, rect.height
else:
# window maybe isn't realized yet--try other ways
# NOTE: get_size_request() does not seem to work the same
# as size_request() for gtk2!
wd, ht = self.widget.size_request()
return wd, ht
def get_pos(self):
rect = self.widget.get_allocation()
x, y, width, height = rect.x, rect.y, rect.width, rect.height
return x, y
def get_app(self):
return _app
def delete(self):
self.widget.destroy()
def show(self):
#self.widget.show()
self.widget.show_all()
def hide(self):
self.widget.hide()
def focus(self):
self.widget.grab_focus()
def resize(self, width, height):
self.widget.set_size_request(width, height)
# hackish way to allow the widget to be resized down again later
# NOTE: for gtk2 we can't do this because it affects get_size()
#gobject.idle_add(self.widget.set_size_request, -1, -1)
def get_font(self, font_family, point_size):
font = GtkHelp.get_font(font_family, point_size)
return font
def cfg_expand(self, horizontal=0, vertical=0):
# this is for compatibility with Qt widgets
pass
# BASIC WIDGETS
class TextEntry(WidgetBase):
def __init__(self, text='', editable=True):
super(TextEntry, self).__init__()
w = gtk.Entry()
w.set_text(text)
w.set_editable(editable)
w.connect('key-press-event', self._key_press_event)
w.connect('activate', self._cb_redirect)
self.widget = w
self.history = LineHistory.LineHistory()
self.enable_callback('activated')
def _cb_redirect(self, *args):
self.history.append(self.get_text())
self.make_callback('activated')
def _key_press_event(self, widget, event):
keyname = gtk.gdk.keyval_name(event.keyval)
if keyname == 'Up':
try:
text = self.history.prev()
self.set_text(text)
self.widget.set_position(len(text))
except ValueError:
pass
return True
elif keyname == 'Down':
try:
text = self.history.next()
self.set_text(text)
self.widget.set_position(len(text))
except ValueError:
pass
return True
return False
def get_text(self):
return self.widget.get_text()
def set_text(self, text):
self.widget.set_text(text)
def set_editable(self, tf):
self.widget.set_editable(tf)
def set_font(self, font):
self.widget.modify_font(font)
def set_length(self, numchars):
# this only sets the visible length of the widget
self.widget.set_width_chars(numchars)
pass
class TextEntrySet(WidgetBase):
def __init__(self, text='', editable=True):
super(TextEntrySet, self).__init__()
hbox = gtk.HBox()
hbox.set_spacing(4)
w = gtk.Entry()
w.set_text(text)
w.set_editable(editable)
hbox.pack_start(w, fill=True)
w.connect('activate', self._cb_redirect)
self.entry = w
w = gtk.Button('Set')
w.connect('clicked', self._cb_redirect)
hbox.pack_start(w, fill=False)
self.btn = w
self.widget = hbox
self.enable_callback('activated')
def _cb_redirect(self, *args):
self.make_callback('activated')
def get_text(self):
return self.entry.get_text()
def set_text(self, text):
self.entry.set_text(text)
def set_editable(self, tf):
self.entry.set_editable(tf)
def set_font(self, font):
self.widget.modify_font(font)
def set_length(self, numchars):
#self.widget.set_width_chars(numchars)
pass
def set_enabled(self, tf):
super(TextEntrySet, self).set_enabled(tf)
self.entry.set_sensitive(tf)
class TextArea(WidgetBase):
def __init__(self, wrap=False, editable=False):
super(TextArea, self).__init__()
tw = gtk.TextView()
if wrap:
tw.set_wrap_mode(gtk.WRAP_WORD)
else:
tw.set_wrap_mode(gtk.WRAP_NONE)
tw.set_editable(editable)
self.tw = tw
# this widget has a built in ScrollArea to match Qt functionality
sw = gtk.ScrolledWindow()
sw.set_border_width(2)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
sw.add(self.tw)
self.widget = sw
self.histlimit = 0
def append_text(self, text, autoscroll=True):
buf = self.tw.get_buffer()
end = buf.get_end_iter()
buf.insert(end, text)
if self.histlimit > 0:
self._history_housekeeping()
if not autoscroll:
return
end = buf.get_end_iter()
mark = buf.get_insert()
#self.tw.scroll_to_iter(end, 0.5)
# NOTE: this was causing a segfault if the text widget is
# not mapped yet! Seems to be fixed in recent versions of
# gtk
buf.move_mark(mark, end)
res = self.tw.scroll_to_mark(mark, 0.2, True)
def get_text(self):
buf = self.tw.get_buffer()
return buf.get_text()
def _history_housekeeping(self):
# remove some lines to keep us within our history limit
buf = self.tw.get_buffer()
numlines = buf.get_line_count()
if numlines > self.histlimit:
rmcount = int(numlines - self.histlimit)
start = buf.get_iter_at_line(0)
end = buf.get_iter_at_line(rmcount)
buf.delete(start, end)
def clear(self):
buf = self.tw.get_buffer()
start = buf.get_start_iter()
end = buf.get_end_iter()
buf.delete(start, end)
def set_text(self, text):
self.clear()
self.append_text(text)
def set_limit(self, numlines):
self.histlimit = numlines
self._history_housekeeping()
def set_editable(self, tf):
self.tw.set_editable(tf)
def set_font(self, font):
self.tw.modify_font(font)
def set_wrap(self, tf):
if tf:
self.tw.set_wrap_mode(gtk.WRAP_WORD)
else:
self.tw.set_wrap_mode(gtk.WRAP_NONE)
class Label(WidgetBase):
def __init__(self, text='', halign='left', style='normal', menu=None):
super(Label, self).__init__()
label = gtk.Label(text)
evbox = gtk.EventBox()
evbox.set_border_width(0)
evbox.props.visible_window = False
evbox.add(label)
evbox.connect("button_press_event", self._cb_redirect)
if halign == 'left':
label.set_justify(gtk.JUSTIFY_LEFT)
elif halign == 'center':
label.set_justify(gtk.JUSTIFY_CENTER)
elif halign == 'right':
label.set_justify(gtk.JUSTIFY_RIGHT)
evbox.connect("button_press_event", self._cb_redirect)
self.enable_callback('activated')
self.label = label
self.menu = menu
self.evbox = evbox
self.widget = evbox
if style == 'clickable':
fr = gtk.Frame()
fr.set_shadow_type(gtk.SHADOW_OUT)
evbox.props.visible_window = True
fr.add(evbox)
self.frame = fr
self.widget = fr
def _cb_redirect(self, widget, event):
# event.button, event.x, event.y
if event.button == 1:
self.make_callback('activated')
return True
elif event.button == 3 and self.menu is not None:
menu_w = self.menu.get_widget()
return menu_w.popup(None, None, None,
event.button, event.time)
return False
def get_text(self):
return self.label.get_text()
def set_text(self, text):
self.label.set_text(text)
def set_font(self, font):
self.label.modify_font(font)
def set_color(self, fg=None, bg=None):
if bg is not None:
self.evbox.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(bg))
if fg is not None:
self.label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse(fg))
class Button(WidgetBase):
def __init__(self, text=''):
super(Button, self).__init__()
w = gtk.Button(text)
self.widget = w
w.connect('clicked', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, *args):
self.make_callback('activated')
class ComboBox(WidgetBase):
def __init__(self, editable=False):
super(ComboBox, self).__init__()
if editable:
cb = GtkHelp.ComboBoxEntry()
else:
cb = GtkHelp.ComboBox()
liststore = gtk.ListStore(gobject.TYPE_STRING)
cb.set_model(liststore)
cell = gtk.CellRendererText()
cb.pack_start(cell, True)
cb.add_attribute(cell, 'text', 0)
self.widget = cb
self.widget.sconnect('changed', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, widget):
idx = widget.get_active()
self.make_callback('activated', idx)
def insert_alpha(self, text):
model = self.widget.get_model()
tup = (text, )
j = 0
for i in range(len(model)):
j = i
if model[i][0] > text:
model.insert(j, tup)
return
model.insert(j+1, tup)
def append_text(self, text):
model = self.widget.get_model()
tup = (text, )
idx = len(model)
model.insert(idx, tup)
def insert_text(self, idx, text):
model = self.widget.get_model()
tup = (text, )
model.insert(idx, tup)
def delete_alpha(self, text):
model = self.widget.get_model()
for i in range(len(model)):
if model[i][0] == text:
del model[i]
return
def get_alpha(self, idx):
model = self.widget.get_model()
text = model[idx][0]
return text
def clear(self):
model = self.widget.get_model()
model.clear()
def show_text(self, text):
model = self.widget.get_model()
for i in range(len(model)):
if model[i][0] == text:
self.widget.set_active(i)
return
def set_index(self, index):
self.widget.set_active(index)
def get_index(self):
return self.widget.get_active()
class SpinBox(WidgetBase):
def __init__(self, dtype=int):
super(SpinBox, self).__init__()
self.widget = GtkHelp.SpinButton()
#self.widget.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
self.widget.sconnect('value-changed', self._cb_redirect)
self.enable_callback('value-changed')
self.dtype = dtype
def _cb_redirect(self, w):
val = self.dtype(w.get_value())
self.make_callback('value-changed', val)
def get_value(self):
return self.dtype(self.widget.get_value())
def set_value(self, val):
self.widget.set_value(val)
def set_decimals(self, num):
self.widget.set_digits(num)
def set_limits(self, minval, maxval, incr_value=1):
adj = self.widget.get_adjustment()
adj.configure(minval, minval, maxval, incr_value, incr_value, 0)
class Slider(WidgetBase):
def __init__(self, orientation='horizontal', track=False):
super(Slider, self).__init__()
if orientation == 'horizontal':
w = GtkHelp.HScale()
# TEMP: hack because scales don't seem to expand as expected
w.set_size_request(200, -1)
else:
w = GtkHelp.VScale()
w.set_size_request(-1, 200)
self.widget = w
w.set_draw_value(True)
w.set_value_pos(gtk.POS_BOTTOM)
self.set_tracking(track)
w.sconnect('value-changed', self._cb_redirect)
self.enable_callback('value-changed')
def _cb_redirect(self, range):
val = range.get_value()
self.make_callback('value-changed', val)
def get_value(self):
return self.widget.get_value()
def set_value(self, val):
self.widget.set_value(val)
def set_tracking(self, tf):
if tf:
self.widget.set_update_policy(gtk.UPDATE_CONTINUOUS)
else:
self.widget.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
def set_limits(self, minval, maxval, incr_value=1):
adj = self.widget.get_adjustment()
adj.configure(minval, minval, maxval, incr_value, incr_value, 0)
class ScrollBar(WidgetBase):
def __init__(self, orientation='horizontal'):
super(ScrollBar, self).__init__()
if orientation == 'horizontal':
self.widget = gtk.HScrollbar()
else:
self.widget = gtk.VScrollbar()
self.widget.connect('value-changed', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, range):
val = range.get_value()
self.make_callback('activated', val)
class CheckBox(WidgetBase):
def __init__(self, text=''):
super(CheckBox, self).__init__()
self.widget = GtkHelp.CheckButton(text)
self.widget.sconnect('toggled', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, widget):
val = widget.get_active()
self.make_callback('activated', val)
def set_state(self, tf):
self.widget.set_active(tf)
def get_state(self):
return self.widget.get_active()
class ToggleButton(WidgetBase):
def __init__(self, text=''):
super(ToggleButton, self).__init__()
w = GtkHelp.ToggleButton(text)
w.set_mode(True)
self.widget = w
self.widget.sconnect('toggled', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, widget):
val = widget.get_active()
self.make_callback('activated', val)
def set_state(self, tf):
self.widget.set_active(tf)
def get_state(self):
return self.widget.get_active()
class RadioButton(WidgetBase):
def __init__(self, text='', group=None):
super(RadioButton, self).__init__()
if group is not None:
group = group.get_widget()
self.widget = GtkHelp.RadioButton(group, text)
self.widget.connect('toggled', self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, widget):
val = widget.get_active()
self.make_callback('activated', val)
def set_state(self, tf):
self.widget.set_active(tf)
def get_state(self):
return self.widget.get_active()
class Image(WidgetBase):
def __init__(self, native_image=None, style='normal', menu=None):
super(Image, self).__init__()
if native_image is None:
native_image = gtk.Image()
self.image = native_image
self.image.set_property("has-tooltip", True)
evbox = gtk.EventBox()
evbox.add(self.image)
evbox.connect("button-press-event", self._cb_redirect1)
evbox.connect("button-release-event", self._cb_redirect2)
self._action = None
self.menu = menu
self.widget = evbox
self.enable_callback('activated')
def _cb_redirect1(self, widget, event):
if event.type == gtk.gdk.BUTTON_PRESS:
if event.button == 1:
self._action = 'click'
elif event.button == 3 and self.menu is not None:
menu_w = self.menu.get_widget()
return menu_w.popup(None, None, None,
event.button, event.time)
def _cb_redirect2(self, widget, event):
if event.type == gtk.gdk.BUTTON_RELEASE:
if (event.button == 1) and (self._action == 'click'):
self._action = None
self.make_callback('activated')
def _set_image(self, native_image):
self.image.set_from_pixbuf(native_image.get_pixbuf())
class ProgressBar(WidgetBase):
def __init__(self):
super(ProgressBar, self).__init__()
w = gtk.ProgressBar()
# GTK3
#w.set_orientation(gtk.ORIENTATION_HORIZONTAL)
#w.set_inverted(False)
self.widget = w
def set_value(self, pct):
pct = float(pct)
self.widget.set_fraction(pct)
self.widget.set_text("%.2f %%" % (pct * 100.0))
class StatusBar(WidgetBase):
def __init__(self):
super(StatusBar, self).__init__()
sbar = gtk.Statusbar()
sbar.set_has_resize_grip(True)
self.ctx_id = None
self.widget = sbar
self.statustask = None
def _clear_message(self):
self.statustask = None
self.widget.remove_all(self.ctx_id)
def set_message(self, msg_str, duration=10.0):
try:
self.widget.remove_all(self.ctx_id)
except:
pass
self.ctx_id = self.widget.get_context_id('status')
self.widget.push(self.ctx_id, msg_str)
# remove message in about 10 seconds
if self.statustask:
gobject.source_remove(self.statustask)
self.statustask = gobject.timeout_add(int(1000 * duration),
self._clear_message)
class TreeView(WidgetBase):
def __init__(self, auto_expand=False, sortable=False, selection='single',
use_alt_row_color=False, dragable=False):
super(TreeView, self).__init__()
self.auto_expand = auto_expand
self.sortable = sortable
self.selection = selection
self.dragable = dragable
self.levels = 1
self.leaf_key = None
self.leaf_idx = 0
self.columns = []
self.datakeys = []
# shadow index
self.shadow = {}
# this widget has a built in ScrollArea to match Qt functionality
sw = gtk.ScrolledWindow()
sw.set_border_width(2)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
self.widget = sw
if self.dragable:
tv = GtkHelp.MultiDragDropTreeView()
# enable drag from this widget
toImage = [ ( "text/plain", 0, 0 ) ]
tv.enable_model_drag_source(gtk.gdk.BUTTON1_MASK,
toImage, gtk.gdk.ACTION_COPY)
tv.connect("drag-data-get", self._start_drag)
else:
tv = gtk.TreeView()
self.tv = tv
sw.add(self.tv)
tv.connect('cursor-changed', self._selection_cb)
tv.connect('row-activated', self._cb_redirect)
# needed to get alternating row colors
if use_alt_row_color:
tv.set_rules_hint(True)
if self.selection == 'multiple':
# enable multiple selection
treeselection = tv.get_selection()
treeselection.set_mode(gtk.SELECTION_MULTIPLE)
for cbname in ('selected', 'activated', 'drag-start'):
self.enable_callback(cbname)
def setup_table(self, columns, levels, leaf_key):
self.clear()
self.columns = columns
self.levels = levels
self.leaf_key = leaf_key
# create the column headers
if not isinstance(columns[0], str):
# columns specifies a mapping
headers = [ col[0] for col in columns ]
datakeys = [ col[1] for col in columns ]
else:
headers = datakeys = columns
self.datakeys = datakeys
self.leaf_idx = datakeys.index(self.leaf_key)
# make sort functions
self.cell_sort_funcs = []
for kwd in self.datakeys:
self.cell_sort_funcs.append(self._mksrtfnN(kwd))
# Remove old columns, if any
for col in list(self.tv.get_columns()):
self.tv.remove_column(col)
# Set up headers
for n in range(0, len(self.columns)):
kwd = self.datakeys[n]
if kwd == 'icon':
cell = gtk.CellRendererPixbuf()
else:
cell = gtk.CellRendererText()
cell.set_padding(2, 0)
header = headers[n]
tvc = gtk.TreeViewColumn(header, cell)
tvc.set_resizable(True)
if self.sortable:
tvc.connect('clicked', self.sort_cb, n)
tvc.set_clickable(True)
if n == 0:
fn_data = self._mkcolfn0(kwd)
## cell.set_property('xalign', 1.0)
else:
fn_data = self._mkcolfnN(kwd)
tvc.set_cell_data_func(cell, fn_data)
self.tv.append_column(tvc)
treemodel = gtk.TreeStore(object)
self.tv.set_fixed_height_mode(False)
self.tv.set_model(treemodel)
# This speeds up rendering of TreeViews
self.tv.set_fixed_height_mode(True)
def set_tree(self, tree_dict):
self.clear()
model = gtk.TreeStore(object)
self._add_tree(model, tree_dict)
def add_tree(self, tree_dict):
model = self.tv.get_model()
self._add_tree(model, tree_dict)
def _add_tree(self, model, tree_dict):
# Hack to get around slow TreeView scrolling with large lists
self.tv.set_fixed_height_mode(False)
for key in tree_dict:
self._add_subtree(1, self.shadow,
model, None, key, tree_dict[key])
self.tv.set_model(model)
self.tv.set_fixed_height_mode(True)
# User wants auto expand?
if self.auto_expand:
self.tv.expand_all()
def _add_subtree(self, level, shadow, model, parent_item, key, node):
if level >= self.levels:
# leaf node
try:
bnch = shadow[key]
item_iter = bnch.item
# TODO: update leaf item
except KeyError:
# new item
item_iter = model.append(parent_item, [node])
shadow[key] = Bunch.Bunch(node=node, item=item_iter,
terminal=True)
else:
try:
# node already exists
bnch = shadow[key]
item = bnch.item
d = bnch.node
except KeyError:
# new node
item = model.append(None, [str(key)])
d = {}
shadow[key] = Bunch.Bunch(node=d, item=item, terminal=False)
# recurse for non-leaf interior node
for key in node:
self._add_subtree(level+1, d, model, item, key, node[key])
def _selection_cb(self, treeview):
path, column = treeview.get_cursor()
model = treeview.get_model()
item = model.get_iter(path)
res_dict = {}
self._get_item(res_dict, item)
self.make_callback('selected', res_dict)
def _cb_redirect(self, treeview, path, column):
model = treeview.get_model()
item = model.get_iter(path)
res_dict = {}
self._get_item(res_dict, item)
self.make_callback('activated', res_dict)
def _get_path(self, item):
if item is None:
return []
model = self.tv.get_model()
if not model.iter_has_child(item):
# child node, so append my name to parent's path
path_rest = self._get_path(model.iter_parent(item))
d = model.get_value(item, 0)
if isinstance(d, str):
myname = d
else:
myname = d[self.leaf_key]
path_rest.append(myname)
return path_rest
# non-leaf node case
myname = model.get_value(item, 0)
path_rest = self._get_path(model.iter_parent(item))
path_rest.append(myname)
return path_rest
def _get_item(self, res_dict, item):
# from the model iter `item`, return the item via a path
# in the dictionary `res_dict`
path = self._get_path(item)
d, s = res_dict, self.shadow
for name in path[:-1]:
d = d.setdefault(name, {})
s = s[name].node
dst_key = path[-1]
d[dst_key] = s[dst_key].node
def get_selected(self):
treeselection = self.tv.get_selection()
model, pathlist = treeselection.get_selected_rows()
res_dict = {}
for path in pathlist:
item = model.get_iter(path)
self._get_item(res_dict, item)
return res_dict
def clear(self):
model = gtk.TreeStore(object)
self.tv.set_model(model)
self.shadow = {}
def clear_selection(self):
treeselection = self.tv.get_selection()
treeselection.unselect_all()
def select_path(self, path):
treeselection = self.tv.get_selection()
item = self._path_to_item(path)
treeselection.select_iter(item)
def highlight_path(self, path, onoff, font_color='green'):
item = self._path_to_item(path)
# TODO
def _path_to_item(self, path):
s = self.shadow
for name in path[:-1]:
s = s[name].node
item = s[path[-1]].item
return item
def scroll_to_path(self, path):
item = self._path_to_item(path)
model = self.tv.get_model()
treepath = model.get_path(item)
self.tv.scroll_to_cell(treepath, use_align=True, row_align=0.5)
def sort_on_column(self, i):
model = self.tv.get_model()
model.set_sort_column_id(i, gtk.SORT_ASCENDING)
def set_column_width(self, i, width):
col = self.tv.get_column(i)
col.set_max_width(width)
def set_column_widths(self, lwidths):
for i, width in enumerate(lwidths):
if width is not None:
self.set_column_width(i, width)
def set_optimal_column_widths(self):
self.tv.columns_autosize()
def sort_cb(self, column, idx):
treeview = column.get_tree_view()
model = treeview.get_model()
model.set_sort_column_id(idx, gtk.SORT_ASCENDING)
fn = self.cell_sort_funcs[idx]
model.set_sort_func(idx, fn)
return True
def _mksrtfnN(self, idx):
def fn(*args):
model, iter1, iter2 = args[:3]
bnch1 = model.get_value(iter1, 0)
bnch2 = model.get_value(iter2, 0)
if isinstance(bnch1, str):
if isinstance(bnch2, str):
return cmp(bnch1.lower(), bnch2.lower())
return 0
val1, val2 = bnch1[idx], bnch2[idx]
if isinstance(val1, str):
val1 = val1.lower()
val2 = val2.lower()
res = cmp(val1, val2)
return res
return fn
def _mkcolfn0(self, idx):
def fn(*args):
column, cell, model, iter = args[:4]
bnch = model.get_value(iter, 0)
if isinstance(bnch, str):
cell.set_property('text', bnch)
elif isinstance(bnch, gtk.gdk.Pixbuf):
cell.set_property('pixbuf', bnch)
elif isinstance(bnch[idx], gtk.gdk.Pixbuf):
cell.set_property('pixbuf', bnch[idx])
else:
cell.set_property('text', bnch[idx])
return fn
def _mkcolfnN(self, idx):
def fn(*args):
column, cell, model, iter = args[:4]
bnch = model.get_value(iter, 0)
if isinstance(bnch, str):
cell.set_property('text', '')
elif isinstance(bnch, gtk.gdk.Pixbuf):
cell.set_property('text', '')
elif isinstance(bnch[idx], gtk.gdk.Pixbuf):
cell.set_property('pixbuf', bnch[idx])
else:
cell.set_property('text', bnch[idx])
return fn
def _start_drag(self, treeview, context, selection,
info, timestamp):
res_dict = self.get_selected()
drag_pkg = DragPackage(self.tv, selection)
self.make_callback('drag-start', drag_pkg, res_dict)
drag_pkg.start_drag()
# CONTAINERS
class ContainerBase(WidgetBase):
def __init__(self):
super(ContainerBase, self).__init__()
self.children = []
def add_ref(self, ref):
# TODO: should this be a weakref?
self.children.append(ref)
def _remove(self, childw, delete=False):
self.widget.remove(childw)
if delete:
childw.destroy()
def remove(self, w, delete=False):
if not w in self.children:
raise KeyError("Widget is not a child of this container")
self.children.remove(w)
self._remove(w.get_widget(), delete=delete)
def remove_all(self, delete=False):
for w in list(self.children):
self.remove(w, delete=delete)
def get_children(self):
return self.children
def num_children(self):
return len(self.children)
def _get_native_children(self):
return [child.get_widget() for child in self.children]
def _get_native_index(self, nchild):
l = self._get_native_children()
return l.index(nchild)
def _native_to_child(self, nchild):
idx = self._get_native_index(nchild)
return self.children[idx]
def set_margins(self, left, right, top, bottom):
# TODO: can this be made more accurate?
self.widget.set_border_width(left)
def set_border_width(self, pix):
self.widget.set_border_width(pix)
class Box(ContainerBase):
def __init__(self, orientation='horizontal'):
super(Box, self).__init__()
if orientation == 'horizontal':
self.widget = gtk.HBox()
else:
self.widget = gtk.VBox()
def set_spacing(self, val):
self.widget.set_spacing(val)
def add_widget(self, child, stretch=0.0):
self.add_ref(child)
child_w = child.get_widget()
# TODO: can this be made more accurate?
expand = (float(stretch) != 0.0)
self.widget.pack_start(child_w, expand=expand, fill=True)
self.widget.show_all()
class VBox(Box):
def __init__(self):
super(VBox, self).__init__(orientation='vertical')
class HBox(Box):
def __init__(self):
super(HBox, self).__init__(orientation='horizontal')
class Frame(ContainerBase):
def __init__(self, title=None):
super(Frame, self).__init__()
fr = gtk.Frame(label=title)
fr.set_shadow_type(gtk.SHADOW_ETCHED_IN)
fr.set_label_align(0.10, 0.5)
self.widget = fr
def set_widget(self, child):
self.remove_all()
self.add_ref(child)
self.widget.add(child.get_widget())
self.widget.show_all()
class Expander(ContainerBase):
def __init__(self, title=None):
super(Expander, self).__init__()
w = gtk.Expander(label=title)
self.widget = w
def set_widget(self, child):
self.remove_all()
self.add_ref(child)
self.widget.add(child.get_widget())
self.widget.show_all()
class TabWidget(ContainerBase):
def __init__(self, tabpos='top', reorderable=False, detachable=True,
group=0):
super(TabWidget, self).__init__()
self.reorderable = reorderable
self.detachable = detachable
nb = GtkHelp.Notebook()
#nb = gtk.Notebook()
nb.set_show_border(False)
nb.set_scrollable(True)
# Allows drag-and-drop between notebooks
nb.set_group_id(group)
if self.detachable:
nb.connect("create-window", self._tab_detach_cb)
nb.connect("page-added", self._tab_insert_cb)
nb.connect("page-removed", self._tab_remove_cb)
nb.sconnect("switch-page", self._cb_redirect)
#nb.connect("switch-page", self._cb_redirect)
self.widget = nb
self.set_tab_position(tabpos)
for name in ('page-switch', 'page-close', 'page-move', 'page-detach'):
self.enable_callback(name)
def set_tab_position(self, tabpos):
nb = self.widget
if tabpos == 'top':
nb.set_tab_pos(gtk.POS_TOP)
elif tabpos == 'bottom':
nb.set_tab_pos(gtk.POS_BOTTOM)
elif tabpos == 'left':
nb.set_tab_pos(gtk.POS_LEFT)
elif tabpos == 'right':
nb.set_tab_pos(gtk.POS_RIGHT)
def _tab_detach_cb(self, source, nchild_w, x, y):
child = self._native_to_child(nchild_w)
# remove child
# (native widget already has been removed by gtk)
self.children.remove(child)
#nchild_w.unparent()
self.make_callback('page-detach', child)
def _tab_insert_cb(self, nbw, nchild_w, page_num):
global _widget_move_event
if _widget_move_event is not None:
event, _widget_move_event = _widget_move_event, None
already_here = nchild_w in self._get_native_children()
if not already_here and event.child.get_widget() == nchild_w:
child = event.child
# remove child from src tab
# (native widget already has been removed by gtk)
event.src_widget.children.remove(child)
# add child to us
# (native widget already has been added by gtk)
self.add_ref(child)
self.make_callback('page-move', event.src_widget, child)
def _tab_remove_cb(self, nbw, nchild_w, page_num):
global _widget_move_event
child = self._native_to_child(nchild_w)
_widget_move_event = WidgetMoveEvent(self, child)
def _cb_redirect(self, nbw, gptr, index):
child = self.index_to_widget(index)
self.make_callback('page-switch', child)
def _cb_select(self, widget, event, child):
self.make_callback('page-switch', child)
def add_widget(self, child, title=''):
self.add_ref(child)
child_w = child.get_widget()
label = gtk.Label(title)
evbox = gtk.EventBox()
evbox.props.visible_window = True
evbox.add(label)
evbox.show_all()
evbox.connect("button-press-event", self._cb_select, child)
self.widget.append_page(child_w, evbox)
if self.reorderable:
self.widget.set_tab_reorderable(child_w, True)
if self.detachable:
self.widget.set_tab_detachable(child_w, True)
self.widget.show_all()
# attach title to child
child.extdata.tab_title = title
def get_index(self):
return self.widget.get_current_page()
def set_index(self, idx):
self.widget.set_current_page(idx)
def index_of(self, child):
return self.widget.page_num(child.get_widget())
def index_to_widget(self, idx):
"""Returns child corresponding to `idx`"""
nchild = self.widget.get_nth_page(idx)
return self._native_to_child(nchild)
def highlight_tab(self, idx, tf):
nchild = self.widget.get_nth_page(idx)
evbox = self.widget.get_tab_label(nchild)
if tf:
evbox.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('palegreen'))
else:
evbox.modify_bg(gtk.STATE_NORMAL, None)
class StackWidget(TabWidget):
def __init__(self):
super(StackWidget, self).__init__()
nb = self.widget
#nb.set_scrollable(False)
nb.set_show_tabs(False)
nb.set_show_border(False)
class MDIWidget(ContainerBase):
def __init__(self, tabpos='top', mode='tabs'):
super(MDIWidget, self).__init__()
self.mode = 'mdi'
self.true_mdi = True
# TODO: currently scrollbars are not working
sw = gtk.ScrolledWindow()
sw.set_border_width(2)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
self.widget = sw
w = GtkHelp.MDIWidget()
self.mdi_w = w
w._move_page = w.move_page
w.move_page = self._window_moved
w._resize_page = w.resize_page
w.resize_page = self._window_resized
sw.set_hadjustment(self.mdi_w.get_hadjustment())
sw.set_vadjustment(self.mdi_w.get_vadjustment())
sw.add(self.mdi_w)
def get_mode(self):
return self.mode
def set_mode(self, mode):
pass
def add_widget(self, child, title=''):
self.add_ref(child)
child_w = child.get_widget()
label = gtk.Label(title)
subwin = self.mdi_w.append_page(child_w, label)
#self.mdi_w.show_all()
# attach title to child
child.extdata.tab_title = title
# does child have a previously saved size
size = child.extdata.get('mdi_size', None)
if size is not None:
wd, ht = size
self.mdi_w.resize_page(subwin, wd, ht)
# does child have a previously saved position
pos = child.extdata.get('mdi_pos', None)
if pos is not None:
x, y = pos
self.mdi_w.move_page(subwin, x, y)
def _remove(self, childw, delete=False):
self.mdi_w.remove(childw)
if delete:
childw.destroy()
def _cb_redirect(self, nbw, gptr, index):
child = self.index_to_widget(index)
self.make_callback('page-switch', child)
def _window_resized(self, subwin, wd, ht):
self.mdi_w._resize_page(subwin, wd, ht)
# save size
nchild = subwin.widget
child = self._native_to_child(nchild)
child.extdata.mdi_size = (wd, ht)
return True
def _window_moved(self, subwin, x, y):
self.mdi_w._move_page(subwin, x, y)
# save position
nchild = subwin.widget
child = self._native_to_child(nchild)
child.extdata.mdi_pos = (x, y)
return True
def get_index(self):
return self.mdi_w.get_current_page()
def set_index(self, idx):
self.mdi_w.set_current_page(idx)
def index_of(self, child):
return self.mdi_w.page_num(child.get_widget())
def index_to_widget(self, idx):
"""Returns child corresponding to `idx`"""
nchild = self.mdi_w.get_nth_page(idx)
return self._native_to_child(nchild)
def tile_panes(self):
self.mdi_w.tile_pages()
def cascade_panes(self):
self.mdi_w.cascade_pages()
def use_tabs(self, tf):
pass
class ScrollArea(ContainerBase):
def __init__(self):
super(ScrollArea, self).__init__()
sw = gtk.ScrolledWindow()
sw.set_border_width(2)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
self.widget = sw
self.enable_callback('configure')
sw.connect("size_allocate", self._resize_cb)
def _resize_cb(self, widget, allocation):
rect = widget.get_allocation()
x, y, width, height = rect.x, rect.y, rect.width, rect.height
self.make_callback('configure', width, height)
return True
def set_widget(self, child):
self.remove_all()
self.add_ref(child)
self.widget.add_with_viewport(child.get_widget())
self.widget.show_all()
def scroll_to_end(self, vertical=True, horizontal=False):
if vertical:
adj_w = self.widget.get_vadjustment()
maxv = adj_w.get_upper()
adj_w.set_value(maxv)
if horizontal:
adj_w = self.widget.get_hadjustment()
maxv = adj_w.get_upper()
adj_w.set_value(maxv)
class Splitter(ContainerBase):
def __init__(self, orientation='horizontal'):
super(Splitter, self).__init__()
self.orientation = orientation
self.widget = self._get_pane()
self.panes = [self.widget]
def _get_pane(self):
if self.orientation == 'horizontal':
w = gtk.HPaned()
else:
w = gtk.VPaned()
return w
def add_widget(self, child):
self.add_ref(child)
child_w = child.get_widget()
if len(self.children) == 1:
self.widget.pack1(child_w)
else:
last = self.widget
if len(self.panes) > 0:
last = self.panes[-1]
w = self._get_pane()
self.panes.append(w)
w.pack1(child_w)
last.pack2(w)
self.widget.show_all()
def _get_sizes(self, pane):
rect = pane.get_allocation()
if self.orientation == 'horizontal':
total = rect.width
else:
total = rect.height
pos = pane.get_position()
return (pos, total)
def get_sizes(self):
res = []
if len(self.panes) > 0:
for pane in self.panes[:-1]:
pos, total = self._get_sizes(pane)
res.append(pos)
pane = self.panes[-1]
pos, total = self._get_sizes(pane)
res.append(total)
return res
def set_sizes(self, sizes):
for i, pos in enumerate(sizes):
pane = self.panes[i]
pane.set_position(pos)
class GridBox(ContainerBase):
def __init__(self, rows=1, columns=1):
super(GridBox, self).__init__()
w = gtk.Table(rows=rows, columns=columns)
self.widget = w
self.num_rows = rows
self.num_cols = columns
def resize_grid(self, rows, columns):
self.num_rows = rows
self.num_cols = columns
self.widget.resize(rows, columns)
def set_row_spacing(self, val):
self.widget.set_row_spacings(val)
def set_column_spacing(self, val):
self.widget.set_col_spacings(val)
def set_spacing(self, val):
self.set_row_spacing(val)
self.set_column_spacing(val)
def add_widget(self, child, row, col, stretch=0):
resize = False
if row > self.num_rows:
resize = True
self.num_rows = row
if col > self.num_cols:
resize = True
self.num_cols = col
if resize:
self.resize_grid(self.num_rows, self.num_cols)
self.add_ref(child)
w = child.get_widget()
if stretch > 0:
xoptions = gtk.EXPAND|gtk.FILL
yoptions = gtk.EXPAND|gtk.FILL
else:
xoptions = gtk.FILL
yoptions = gtk.FILL
self.widget.attach(w, col, col+1, row, row+1,
xoptions=xoptions, yoptions=yoptions,
xpadding=0, ypadding=0)
self.widget.show_all()
class Toolbar(ContainerBase):
def __init__(self, orientation='horizontal'):
super(Toolbar, self).__init__()
w = gtk.Toolbar()
w.set_style(gtk.TOOLBAR_ICONS)
if orientation == 'horizontal':
w.set_orientation(gtk.ORIENTATION_HORIZONTAL)
else:
w.set_orientation(gtk.ORIENTATION_VERTICAL)
self.widget = w
def add_action(self, text, toggle=False, iconpath=None, iconsize=None):
if toggle:
child = ToggleButton(text)
else:
child = Button(text)
if iconpath is not None:
wd, ht = 24, 24
if iconsize is not None:
wd, ht = iconsize
pixbuf = GtkHelp.pixbuf_new_from_file_at_size(iconpath, wd, ht)
if pixbuf is not None:
image = gtk.image_new_from_pixbuf(pixbuf)
child.get_widget().set_image(image)
self.add_widget(child)
return child
def add_widget(self, child):
self.add_ref(child)
w = child.get_widget()
self.widget.append_widget(w, None, None)
def add_menu(self, text, menu=None):
if menu is None:
menu = Menu()
child = self.add_action(text)
child.add_callback('activated', lambda w: menu.popup())
return menu
def add_separator(self):
self.widget.append_space()
class MenuAction(WidgetBase):
def __init__(self, text=None, checkable=False):
super(MenuAction, self).__init__()
self.text = text
self.checkable = checkable
if checkable:
self.widget = gtk.CheckMenuItem(label=text)
self.widget.connect('toggled', self._cb_redirect)
else:
self.widget = gtk.MenuItem(label=text)
self.widget.connect('activate', self._cb_redirect)
self.widget.show()
self.enable_callback('activated')
def set_state(self, tf):
if not self.checkable:
raise ValueError("Not a checkable menu item")
self.widget.set_active(tf)
def get_state(self):
return self.widget.get_active()
def _cb_redirect(self, *args):
if self.checkable:
tf = self.widget.get_active()
self.make_callback('activated', tf)
else:
self.make_callback('activated')
class Menu(ContainerBase):
def __init__(self):
super(Menu, self).__init__()
self.widget = gtk.Menu()
self.widget.show()
def add_widget(self, child):
menuitem_w = child.get_widget()
self.widget.append(menuitem_w)
self.add_ref(child)
#self.widget.show_all()
def add_name(self, name, checkable=False):
child = MenuAction(text=name, checkable=checkable)
self.add_widget(child)
return child
def add_separator(self):
sep = gtk.SeparatorMenuItem()
self.widget.append(sep)
sep.show()
def popup(self, widget=None):
menu = self.widget
menu.show_all()
if six.PY2:
now = long(0)
else:
now = int(0)
menu.popup(None, None, None, 0, now)
class Menubar(ContainerBase):
def __init__(self):
super(Menubar, self).__init__()
self.widget = gtk.MenuBar()
self.menus = Bunch.Bunch(caseless=True)
def add_widget(self, child):
menu_w = child.get_widget()
self.widget.addMenu(menu_w)
self.add_ref(child)
menu_w.show()
return child
def add_name(self, name):
item_w = gtk.MenuItem(label=name)
child = Menu()
self.add_ref(child)
self.menus[name] = child
item_w.set_submenu(child.get_widget())
self.widget.append(item_w)
item_w.show()
return child
def get_menu(self, name):
return self.menus[name]
class TopLevelMixin(object):
def __init__(self, title=None):
self._fullscreen = False
self.widget.connect("destroy", self._quit)
self.widget.connect("delete_event", self._close_event)
self.widget.connect("window_state_event", self._window_event)
self.widget.connect("configure-event", self._configure_event)
if not title is None:
self.widget.set_title(title)
self.enable_callback('close')
def show(self):
self.widget.show_all()
def hide(self):
self.widget.hide()
def _quit(self, *args):
self.close()
def _close_event(self, widget, event):
try:
self.close()
finally:
# don't automatically destroy window
return True
def _window_event(self, widget, event):
if ((event.changed_mask & gtk.gdk.WINDOW_STATE_FULLSCREEN) or
(event.changed_mask & gtk.gdk.WINDOW_STATE_MAXIMIZED)):
self._fullscreen = True
else:
self._fullscreen = False
def _configure_event(self, widget, event):
x, y, width, height = event.x, event.y, event.width, event.height
x, y = self.widget.translate_coordinates(self.widget, x, y)
self.extdata.setvals(x=x, y=y, width=width, height=height)
return False
def close(self):
## try:
## self.widget.destroy()
## except Exception as e:
## pass
#self.widget = None
self.make_callback('close')
def get_size(self):
window = self.widget.get_window()
if window is not None:
rect = self.widget.get_allocation()
x, y, wd, ht = rect.x, rect.y, rect.width, rect.height
else:
# window maybe isn't realized yet--try other ways
wd, ht = self.widget.size_request()
ed = self.extdata
wd, ht = ed.get('width', wd), ed.get('height', ht)
return wd, ht
def get_pos(self):
window = self.widget.get_window()
if window is not None:
x, y = window.get_origin()
else:
ed = self.extdata
x, y = ed.get('x', None), ed.get('y', None)
return x, y
def raise_(self):
window = self.widget.get_window()
window.raise_()
def lower(self):
window = self.widget.get_window()
window.lower()
def focus(self):
window = self.widget.get_window()
window.focus()
def move(self, x, y):
window = self.widget.get_window()
window.move(x, y)
def maximize(self):
window = self.widget.get_window()
window.maximize()
def unmaximize(self):
window = self.widget.get_window()
window.unmaximize()
def fullscreen(self):
window = self.widget.get_window()
window.fullscreen()
def unfullscreen(self):
window = self.widget.get_window()
window.unfullscreen()
def is_fullscreen(self):
return self._fullscreen
def iconify(self):
window = self.widget.get_window()
window.iconify()
def uniconify(self):
window = self.widget.get_window()
window.deiconify()
def set_title(self, title):
self.widget.set_title(title)
class TopLevel(TopLevelMixin, ContainerBase):
def __init__(self, title=None):
ContainerBase.__init__(self)
self._fullscreen = False
widget = GtkHelp.TopLevel()
self.widget = widget
widget.set_border_width(0)
TopLevelMixin.__init__(self, title=title)
def set_widget(self, child):
self.add_ref(child)
child_w = child.get_widget()
self.widget.add(child_w)
class Application(Callback.Callbacks):
def __init__(self, logger=None):
global _app
super(Application, self).__init__()
self.logger = logger
self.window_list = []
self.window_dict = {}
self.wincnt = 0
try:
screen = gtk.gdk.screen_get_default()
self.screen_ht = screen.get_height()
self.screen_wd = screen.get_width()
except:
self.screen_wd = 1600
self.screen_ht = 1200
## self.logger.debug("screen dimensions %dx%d" % (
## self.screen_wd, self.screen_ht))
_app = self
for name in ('shutdown', ):
self.enable_callback(name)
# Set up Gtk style
GtkHelp.set_default_style()
def get_screen_size(self):
return (self.screen_wd, self.screen_ht)
def process_events(self):
while gtk.events_pending():
#gtk.main_iteration(False)
gtk.main_iteration()
def process_end(self):
pass
def add_window(self, window, wid=None):
if wid is None:
wid = 'win%d' % (self.wincnt)
self.wincnt += 1
window.wid = wid
window.url = ''
window.app = self
self.window_dict[wid] = window
def get_window(self, wid):
return self.window_dict[wid]
def has_window(self, wid):
return wid in self.window_dict
def get_wids(self):
return list(self.window_dict.keys())
def make_window(self, title=None):
w = TopLevel(title=title)
self.add_window(w)
return w
def mainloop(self):
gtk.main()
class Dialog(TopLevelMixin, WidgetBase):
def __init__(self, title='', flags=0, buttons=[],
parent=None, modal=False):
WidgetBase.__init__(self)
if parent is not None:
self.parent = parent.get_widget()
else:
self.parent = None
button_list = []
for name, val in buttons:
button_list.extend([name, val])
self.widget = gtk.Dialog(title=title, flags=flags,
buttons=tuple(button_list))
self.widget.set_modal(modal)
TopLevelMixin.__init__(self, title=title)
self.content = VBox()
self.content.set_border_width(0)
content = self.widget.get_content_area()
content.pack_start(self.content.get_widget(), fill=True, expand=True)
self.widget.connect("response", self._cb_redirect)
self.enable_callback('activated')
def _cb_redirect(self, w, val):
self.make_callback('activated', val)
def get_content_area(self):
return self.content
class SaveDialog(object):
def __init__(self, title='Save File', selectedfilter=None):
action = gtk.FILE_CHOOSER_ACTION_SAVE
buttons = (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK)
self.widget = gtk.FileChooserDialog(title=title, action=action,
buttons=buttons)
self.selectedfilter = selectedfilter
if selectedfilter is not None:
self._add_filter(selectedfilter)
def _add_filter(self, selectedfilter):
filtr = gtk.FileFilter()
filtr.add_pattern(selectedfilter)
if 'png' in selectedfilter:
filtr.set_name('Image (*.png)')
self.selectedfilter = '.png'
elif 'avi' in selectedfilter:
filtr.set_name('Movie (*.avi)')
self.selectedfilter = '.avi'
elif 'npz' in selectedfilter:
filtr.set_name('Numpy Compressed Archive (*.npz)')
self.selectedfilter = '.npz'
self.widget.add_filter(filtr)
def get_path(self):
response = self.widget.run()
if response == gtk.RESPONSE_OK:
path = self.widget.get_filename()
if self.selectedfilter is not None and not path.endswith(self.selectedfilter):
path += self.selectedfilter
self.widget.destroy()
return path
elif response == gtk.RESPONSE_CANCEL:
self.widget.destroy()
return None
class DragPackage(object):
def __init__(self, src_widget, selection):
self.src_widget = src_widget
self._selection = selection
def set_urls(self, urls):
self._selection.set_uris(urls)
self._selection.set("text/plain", 0, '\n'.join(urls))
def start_drag(self):
pass
class WidgetMoveEvent(object):
def __init__(self, src_widget, child):
self.src_widget = src_widget
self.child = child
self._result = False
def accept(self):
self._result = True
def reject(self):
self._result = False
# MODULE FUNCTIONS
def name_mangle(name, pfx=''):
newname = []
for c in name.lower():
if not (c.isalpha() or c.isdigit() or (c == '_')):
newname.append('_')
else:
newname.append(c)
return pfx + ''.join(newname)
def make_widget(title, wtype):
if wtype == 'label':
w = Label(title)
w.label.set_alignment(0.95, 0.5)
elif wtype == 'llabel':
w = Label(title)
w.label.set_alignment(0.05, 0.95)
elif wtype == 'entry':
w = TextEntry()
#w.get_widget().set_width_chars(12)
elif wtype == 'entryset':
w = TextEntrySet()
elif wtype == 'combobox':
w = ComboBox()
elif wtype == 'spinbutton':
w = SpinBox(dtype=int)
elif wtype == 'spinfloat':
w = SpinBox(dtype=float)
elif wtype == 'vbox':
w = VBox()
elif wtype == 'hbox':
w = HBox()
elif wtype == 'hscale':
w = Slider(orientation='horizontal')
elif wtype == 'vscale':
w = Slider(orientation='vertical')
elif wtype == 'checkbutton':
w = CheckBox(title)
elif wtype == 'radiobutton':
w = RadioButton(title)
elif wtype == 'togglebutton':
w = ToggleButton(title)
elif wtype == 'button':
w = Button(title)
elif wtype == 'spacer':
w = Label('')
elif wtype == 'textarea':
w = TextArea(editable=True)
elif wtype == 'toolbar':
w = Toolbar()
elif wtype == 'progress':
w = ProgressBar()
elif wtype == 'menubar':
w = Menubar()
else:
raise ValueError("Bad wtype=%s" % wtype)
return w
def hadjust(w, orientation):
if orientation != 'horizontal':
return w
vbox = VBox()
vbox.add_widget(w)
vbox.add_widget(Label(''), stretch=1)
return vbox
def build_info(captions, orientation='vertical'):
vbox = gtk.VBox(spacing=2)
numrows = len(captions)
numcols = reduce(lambda acc, tup: max(acc, len(tup)), captions, 0)
if (numcols % 2) != 0:
raise ValueError("Column spec is not an even number")
numcols = int(numcols // 2)
table = gtk.Table(rows=numrows, columns=numcols)
table.set_row_spacings(2)
table.set_col_spacings(4)
vbox.pack_start(table, expand=False)
wb = Bunch.Bunch()
row = 0
for tup in captions:
col = 0
while col < numcols:
idx = col * 2
if idx < len(tup):
title, wtype = tup[idx:idx+2]
if not title.endswith(':'):
name = name_mangle(title)
else:
name = name_mangle('lbl_'+title[:-1])
w = make_widget(title, wtype)
table.attach(w.get_widget(), col, col+1, row, row+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=1, ypadding=1)
wb[name] = w
col += 1
row += 1
vbox.show_all()
w = wrap(vbox)
w = hadjust(w, orientation=orientation)
return w, wb
def wrap(native_widget):
wrapper = WidgetBase()
wrapper.widget = native_widget
return wrapper
def get_orientation(container):
if not hasattr(container, 'size'):
return 'vertical'
(wd, ht) = container.size
## wd, ht = container.get_size()
#print('container size is %dx%d' % (wd, ht))
if wd < ht:
return 'vertical'
else:
return 'horizontal'
def get_oriented_box(container, scrolled=True, fill=False):
orientation = get_orientation(container)
if orientation == 'vertical':
box1 = VBox()
box2 = VBox()
else:
box1 = HBox()
box2 = VBox()
box2.add_widget(box1, stretch=1)
if not fill:
box2.add_widget(Label(''), stretch=1)
if scrolled:
sw = ScrollArea()
sw.set_widget(box2)
else:
sw = box2
return box1, sw, orientation
#END
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