GTK detecting window resize from the user

Question

In GTK (or pygtk or gtkmm...)

How can I detect that an application window has been manually resized by the user, as is typically done by dragging th

Answer 1

In my case I was trying to distinguish between a user resizing a Gtk.Paned from the user resizing the whole window. Both emitted the notify::position signal.

My solution was, since I can't know if the user is resizing the window from the widget, reverse what I wanted to know. Record if the user has re-positioned the widget and ignore updates if the user didn't initiate them on my widget.

That is to say, instead of testing "if window being resized" I recorded the button-press-event and button-release-event's locally so I could instead test "if widget being re-positioned"

from gi.repository import Gtk

class MyPaned(Gtk.Paned):
    _user_activated = False

    def on_position(self, _, gparamspec):
        if self._user_activated:
            # widget touched

        else:
            # window resized (probably)

    def on_button_press(self, *_):
        self._user_activated = True

    def on_button_release(self, *_):
        self._user_activated = False


    dev __init__(self, *args):
        super(MyPaned, self).__init__(*args)
        self.connect('notify::position', self.on_position)
        self.connect('button-press-event', self.on_button_press)
        self.connect('button-release-event', self.on_button_release)

Effectively by recorded when the user started and ended interacting with my widget directly, I could assume the rest of the time was due to the window being resized. (Until I find more cases)