Scol » Lib2D GTK

h1. Range

Widgets which visualize an adjustment : scale, scroll bar, ... objects

!>http://library.gnome.org/devel/gtk/unstable/scales.png!

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h2. _gtkRangeSetValues

Sets min et max, step and page size to a range object.

Prototype : *fun [ObjGtkWidget [F F] [F F]] ObjGtkWidget*

table.

|*range*|ObjGtkWidget|a valid existing object|

|*min_max*|[F F]|the min and the max values availables|

|*step_page*|[F F]|the step and the page sizes values|

+Return+ : ObjGtkWidget : the same object or nil if error

* _step_ is used when the user clicks on the arrow button / cursor or when he moves the cursor with the arrow keys (by example).

* _page_ is used when th user click on the body or he moves the cursor with the page up / page down keys (by example).

h2. _gtkRangeGet

Returns the current value or nil if error

Prototype : *fun [ObjGtkWidget] F*

h2. _gtkRangeSet

Sets the current value

Prototype : *fun [ObjGtkWidget F] ObjGtkWidget*

table.

|*range*|ObjGtkWidget|a valid existing object|

|*value*|F|the new value. It will be forced to inside the range if it is outside.|

+Return+ : ObjGtkWidget : the same object or nil if error

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