Scrollbar
A scrollbar widget that can be used to write or read a numeric PV.
Operations
At runtime, Clicking the arrow buttons to increase/decrease value in step increment.
Dragging the thumb to increase/decrease value smoothly. Clicking or pressing the track to
increase/decrease the value in page increment.
It also supports changing value with keyboard while it is focused. (It can be focused by clicking its
thumb). Use Up/Down key for vertical scrollbar or Left/Right key for horizontal scrollbar
to increase/decrease value in step increment.
Use PageUp/PageDown key to increase/decrease value in page increment.
Special Properties
- Minimum (minimum)
- Lower limit of the widget.
- Maximum (maximum)
- Upper limit of the widget.
- Limits From PV(limits_from_pv)
- Load the Maximum andMinimum limits from PV.
- Show Value Tip (show_value_tip)
- Show the value tip while value is changing.
- Horizontal (horizontal)
- If yes, the bar is horizontal. Vertical if no.
- Bar Length (bar_length)
- Length of the bar relative to it value range.
- Step Increment (step_increment)
- The least increment/decrement step while pressing arrow buttons or
using Up/Down key for vertical scrollbar or Left/Right key for horizontal scrollbar.
- Page Increment (page_increment)
- The increment/decrement step while clicking or pressing the track or
using PageUp/PageDown key.
See Also