On Mon, 2002-07-08 at 02:10, Isaac Claymore wrote: > Guys, I need to make my GtkCList cells editable with GtkCombo and GtkEntry... > I searched through the GTK on-line API doc and Tutorial, but failed to get > relevant information. > Any hint or point to URL is greatly appreciated ;)
A tough one, not really tough, but it took a lot of trial and error and
tweaking, here is what I did:
1. add a select-row handler on the CList, when the user does the right
thing, in my case, click on column one (the only editable one), call a
routine that does something like this:
=====
def createEntryWidgetForCList(self, list, row, col):
delay = gtk.GtkEntry()
delay.set_name(delayName)
dialog.set_data(delayName, delay)
delay.connect('activate', self.clistEntryWidgetDelayChanged)
delay.connect('key-press-event', \
self.clistEntryWidgetDelayCheckCancel)
delay.connect('focus-out-event', \
self.clistEntryWidgetDelayCheckCancel)
# figure out where to put the widget
labelName = '%sLabel' % list.get_name() #the clist column label
l = self.wtree.get_widget(labelName)
labelH = l.get_window().height
labelW = l.get_window().width
x = labelW
rowH = (list.get_window().height - labelH) / list.rows
colW = list.get_window().width - labelW
y = rowH * row + labelH
delay.set_usize(colW, rowH)
delay.grab_focus()
delay.set_data('row', row)
delay.set_data('column', col)
delay.set_data('widget', list)
delay.show()
func(delay, x, y)
gtk.grab_add(delay)
=====
The CList column head label is used to determine the right size and
location for the widget. I also save my widget so I only create it once
but I didn't show that here for the sake of clarity. The
clistEntryWidgetDelayChanged function gets the text from the entry and
puts it into the clist using the row and column stored in the set_data
calls. The clistEntryWidgetDelayCheckCancel is a little ugly in my code
as I didn't know how to get the keypress handling right. A focus out or
escape key cancels the input (hides the widget). A Delete, Tab,
BackSpace, Return, KP_Enter, or LineFeed key will return false and let
the other event handlers take over, otherwise I make sure it is an
integer (they can only enter numbers in my scenario) and if not I call
gdk_beep() and entry.emit_stop_by_name('key-press-event')
Let me know if you need more details.
>
> - Clay
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