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A GtkAdjustment has multiple properties, and the value (which corresponds to the current position of the slider in the horizontal/vertical scrollbar for weld::ScrolledWindow) is only one of them. In fact, there is a GtkAdjustment::changed signal [1] in GTK that is emitted whenever anything *except* for the value changes, while GtkAdjustment::value_changed [2] is emitted when the value changes. For weld::ScrolledWindow, the semantics is the latter (s. e.g. how the GTK implementation emits the signal when it receives the "value-changed" signal for the corresponding GtkAdjustment). Adjust the naming accordingly, to make clear that this is only about value changes. [1] https://docs.gtk.org/gtk3/method.Adjustment.changed.html [2] https://docs.gtk.org/gtk3/method.Adjustment.value_changed.html Change-Id: Ie6ce7ff7f69725ddbf7ac4cb2e60c391a02ef1f7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/188761 Tested-by: Jenkins Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>