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from gtk import *
import GTK
class CheckList (GtkCList):
"""A class (derived from GtkCList) that provides a list of
checkbox / text string pairs"""
CHECK_SIZE = 13
def __init__ (self, columns = 1):
GtkCList.__init__ (self, columns+1)
self.set_column_auto_resize(0, 1)
#for i in range(columns):
# self.set_column_auto_resize (i, 1)
def debug_cb (widget):
print widget
self.connect ("realize", self._realize_cb)
# self.connect ("button_press_event", self._button_press_cb)
# self.connect ("key_press_event", self._key_press_cb)
self.off_pixmap = None
self.on_pixmap = None
self.toggled_func = None
self.n_rows = 0
def append_row (self, textList, init_value, row_data=None):
"""Add a row to the list.
text: text to display in the row
init_value: initial state of the indicator
row_data: data to pass to the toggled_func callback"""
textList = ("",) + textList
row = self.append (textList)
self.set_row_data (row, (not not init_value, row_data, ""))
self.n_rows = self.n_rows + 1
if (self.flags() & GTK.REALIZED):
self._update_row (row)
return row
def clear (self):
"Remove all rows"
GtkCList.clear(self)
self.n_rows = 0
def set_toggled_func (self, func):
"""Set a function to be called when the value of a row is toggled.
The function will be called with two arguments, the new state
of the indicator (boolean) and the row_data for the row."""
self.toggled_func = func
def _update_row (self, row):
(val, row_data, name) = self.get_row_data(row)
if val:
self.set_pixmap(row,0,self.on_pixmap,self.mask)
else:
self.set_pixmap(row,0,self.off_pixmap,self.mask)
def _color_pixmaps(self):
style = self.get_style()
base_gc = self.on_pixmap.new_gc(foreground = style.base[GTK.STATE_NORMAL])
text_gc = self.on_pixmap.new_gc(foreground = style.text[GTK.STATE_NORMAL])
self.mask = create_pixmap(None,CheckList.CHECK_SIZE,CheckList.CHECK_SIZE,1)
# HACK - we really want to just use a color with a pixel value of 1
mask_gc = self.mask.new_gc (foreground = self.get_style().white)
draw_rectangle(self.mask,mask_gc,1,0,0,CheckList.CHECK_SIZE,CheckList.CHECK_SIZE)
draw_rectangle(self.on_pixmap,base_gc,1,0,0,CheckList.CHECK_SIZE,CheckList.CHECK_SIZE)
draw_rectangle(self.on_pixmap,text_gc,0,0,0,CheckList.CHECK_SIZE-1,CheckList.CHECK_SIZE-1)
draw_line(self.on_pixmap,text_gc,2, CheckList.CHECK_SIZE/2,CheckList.CHECK_SIZE/3,CheckList.CHECK_SIZE-5)
draw_line(self.on_pixmap,text_gc,2, CheckList.CHECK_SIZE/2+1,CheckList.CHECK_SIZE/3,CheckList.CHECK_SIZE-4)
draw_line(self.on_pixmap,text_gc,CheckList.CHECK_SIZE/3, CheckList.CHECK_SIZE-5, CheckList.CHECK_SIZE-3, 3)
draw_line(self.on_pixmap,text_gc,CheckList.CHECK_SIZE/3, CheckList.CHECK_SIZE-4, CheckList.CHECK_SIZE-3, 2)
draw_rectangle(self.off_pixmap,base_gc,1,0,0,CheckList.CHECK_SIZE,CheckList.CHECK_SIZE)
draw_rectangle(self.off_pixmap,text_gc,0,0,0,CheckList.CHECK_SIZE-1,CheckList.CHECK_SIZE-1)
def _realize_cb (self, clist):
self.on_pixmap = create_pixmap(self.get_window(), CheckList.CHECK_SIZE,CheckList.CHECK_SIZE)
self.off_pixmap = create_pixmap(self.get_window(), CheckList.CHECK_SIZE,CheckList.CHECK_SIZE)
# We can't connect this callback before because of a bug in PyGtk where it doesn't
# like style_set to be called with a NULL old_style
self.connect ("style_set", lambda self, old_style: self._color_pixmaps)
self._color_pixmaps()
for i in range (self.n_rows):
self._update_row (i)
def _toggle_row (self, row):
(val, row_data, name) = self.get_row_data(row)
val = not val
self.set_row_data(row, (val, row_data, name))
self._update_row (row)
# print "Val: ", val, " Row data: ", row_data, " Name ", name
if self.toggled_func != None:
self.toggled_func(val, row_data)
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