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Bug #11071

COMBO-BOX (SIMPLE): Incorrect Mouse Wheel Scrolling Step

Added by Vladimir Tsichevski 8 months ago. Updated 5 days ago.

Status:
Review
Priority:
Normal
Assignee:
Razvan-Nicolae Chichirau
Target version:
-
Start date:
Due date:
% Done:

100%

billable:
No
vendor_id:
GCD
case_num:
version_reported:
16326
version_resolved:
reviewer:
Hynek Cihlar
production:
No
env_name:
topics:

History

#1 Updated by Vladimir Tsichevski 8 months ago

Run the following 4GL example:

DEFINE VARIABLE cb AS CHARACTER VIEW-AS COMBO-BOX SIMPLE LIST-ITEMS
"item1", "item2", "item3", "item4", "item5", "item6",
"item7", "item8", "item9" 
SIZE 20 BY 3.
DEFINE FRAME fr cb
   WITH CENTERED SIZE 80 BY 20 SIDE-LABELS.
ENABLE ALL WITH FRAME fr.
WAIT-FOR GO OF FRAME fr.

This creates and enables a SIMPLE combo-box.

  1. Open the drop-down list.
  2. Rotate the mouse wheel while the mouse pointer is over the drop-down list area.
  • OE: The list scrolls by one line per wheel notch.
  • FWD: The list scrolls by three lines per wheel notch.

Note: The scrolling step is independent of the combo-box vertical size.

Note: Tested only with Swing client.

#2 Updated by Razvan-Nicolae Chichirau 6 days ago

  • Status changed from New to WIP
  • Assignee set to Razvan-Nicolae Chichirau

#3 Updated by Razvan-Nicolae Chichirau 5 days ago

  • Status changed from WIP to Review
  • % Done changed from 0 to 100

A simple combo-box should scroll 1 item per notch. Tested on multiple OE + Windows versions.

Hynek: Please check 11071a/rev. 16726.

#4 Updated by Hynek Cihlar 5 days ago

Razvan-Nicolae Chichirau wrote:

A simple combo-box should scroll 1 item per notch. Tested on multiple OE + Windows versions.

Razvan, isn't this dependent on OS settings. In the system you can set how many lines/pages to (wheel) scroll.

#5 Updated by Razvan-Nicolae Chichirau 5 days ago

Only the drop-downs of a DROP-DOWN / DROP-DOWN-LIST combo-box are affected by this Windows setting. For a SIMPLE combo-box, it will always be 1 per each notch regardless of this setting.

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