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gSpin

Definition: include xpGUI.e

gdx id = gSpin([rtn value_changed=NULL,] string attributes="", dword_seq args={})
Description: Creates a spin control.

value_changed: (optional) a procedure to be invoked when the contents are changed, see VALUE_CHANGED below.
For more information on the attributes and args parameters see gSetAttributes().
This is a paranormalised function. (see technicalia)

Returns: the identifier of the created element.
pwa/p2js: Supported.
Example: 
-- demo\xpGUI\gSpin.exw
include xpGUI.e

procedure value_changed(gdx id)
    ?{"value_changed",id,gGetInt(id,"VALUE")}
end procedure

gdx spin = gSpin(value_changed,"MARGIN=13x13,VALUE=5"),
    dlg = gDialog(gHbox({spin}),`gSpin`,`SIZE=240x80`)
gShow(dlg)
gMainLoop()
gSpin
Attributes:
RANGE the min/maximum values. Default: {0,100}.
STEP the inc/decrement value, must be a positive integer (see technicalia). Default: 1.
VALUE The current (integer) value of the control, initially blank.
WRAP (creation only) should the position reach either limit, continue from the opposite limit. Default: false.
also ACTIVE, CANFOCUS, FONT, EXPAND, MARGIN, MINSIZE, MAXSIZE, SIZE, TIP, VISIBLE.
Handlers:
VALUE_CHANGED Called after the value was interactively changed by the user.

procedure value_changed(gdx id)
id: identifier of the element that activated the event.
also CLICK, KEY: All common handlers are supported.
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