Hi list!
First of all, I have of course browsed the net for an answer to the question
below, and while trying different approaches nothing worked as I wanted to, so
the last resort was to join this list and I hope that all here who knows GTK
better than me can help me out.
I'm using Glade and Ruby for my code, but I believe the question applies to
general GTK, so if anyone can help me out in C, Python, or anything else it's
fine.
The problem...
The application starts out by creating a Glade object, and then enters the
Gtk.main-loop, presenting and handling the main dialog window.
In this main window I have a menu choice, to change a username and password.
Selecting this creates another Glade object, with a dialog with two Gtk Entries
for username and password, with Cancel and Apply buttons. The main object shows
this dialog, and runs it.
In the user/password dialog there is a validation, when clicking Apply, that
entered text has valid characters. If invalid characters are found a new Glade
object is created in the Apply signal function, to present some error text.
This dialog have an OK button. So the user/password dialog object shows the
message object, and runs it. After OK is clicked the message run-loop is
exited, coming back to the user/password object, in the Apply signal function,
and this one exits too, taking me back to the main application.
What I would like is to stay in the user/password dialog, to let the user
correct the input, and then click either Cancel, or Apply once again, to once
again make the validity check and so on, and not get thrown back to the main
application dialog.
I have read about catching the "delete-event", returning TRUE or FALSE from
this function to either really delete/destroy the window, or to keep it
running. I tried to add catch the "delete-event" in the user/password dialogs
Apply signal function, but putting a printout there, I saw it was never even
called.
Some pseudo/real-code maybe describes it better:
class MainApp
def initialize()
@glade = GladeXML.new(bla, bla, bla) {|handler| method(handler)}
end
def on_menuUserPassword_activate(widget)
gUP = UserPasswordDlgGlade.new()
dlg = gUP.get_widget("UPDlg")
dlg.show()
result = dlg.run()
dlg.hide()
end
end
// Get the main app up and running.
MainApp.new()
Gtk.main
class UserPasswordDlgGlade
def initialize()
@glade = GladeXML.new(bla, bla, bla) {|handler| method(handler)}
end
def on_btnApply_clicked(widget)
Get the user and password from the widget entries
If user and password were not valid
gMsg = MessageDlgGlade.new()
dlg = gMsg.get_widget("MsgDlg")
dlg.show()
dlg.run()
dlg.close()
If here the user clicked the message dialog's OK button, and we should
disregard the Apply click on this UPDlg, and let the user correct the input.
else
The user and password was correct, so now we should actually return the
Apply response code to the MainApp.
end
end
def on_UPDlg_delete_event(a, b, c)
Here was where I tried to keep the UPDlg still running, by returning either
TRUE or FALSE, but it never seemed to enter this function, even though I
connected this signal in Glade.
end
end
class MsgDlg
def initialize()
@glade = GladeXML.new(bla, bla, bla) {|handler| method(handler)}
end
end
So how can I keep the user/password dialog running, showing an error message
dialog if the user have entered invalid characters, and keep away from closing
the u/p dialog until the user have entered a correct input, without getting
thrown back to the main app dialog?
Thank you in advance for reading and helping me out, and have a nice
day/evening!
Best regards,
Paul
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