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It is not very useful in itself.
The position of the thumb in a scrollbar is controlled by the scroll adjustments. See Gtk::Adjustment for the fields in an adjustment - for Gtk::Scrollbar, the "value" field represents the position of the scrollbar, which must be between the "lower" field and "upper - page_size." The "page_size" field represents the size of the visible scrollable area. The "step_increment" and "page_increment" fields are used when the user asks to step down (using the small stepper arrows) or page down (using for example the PageDown key).
Public Member Functions | |
const GtkScrollbar* | gobj () const |
Provides access to the underlying C GtkObject. | |
GtkScrollbar* | gobj () |
Provides access to the underlying C GtkObject. | |
virtual | ~Scrollbar () |
Related Functions | |
(Note that these are not member functions.) | |
Gtk::Scrollbar* | wrap (GtkScrollbar* object, bool take_copy=false) |
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Provides access to the underlying C GtkObject.
Reimplemented from Gtk::Range. Reimplemented in Gtk::VScrollbar, and Gtk::HScrollbar. |
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Provides access to the underlying C GtkObject.
Reimplemented from Gtk::Range. Reimplemented in Gtk::VScrollbar, and Gtk::HScrollbar. |
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