https://bugs.documentfoundation.org/show_bug.cgi?id=160460

            Bug ID: 160460
           Summary: VIEWING UI Data->Group expand/collapse button active
                    area not scaling on high-res display
           Product: LibreOffice
           Version: 24.2.0.0 alpha0+
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]

Version: 24.2.1.2 (X86_64) / LibreOffice Community
Build ID: db4def46b0453cc22e2d0305797cf981b68ef5ac
CPU threads: 32; OS: Windows 10.0 Build 22631; UI render: Skia/Vulkan; VCL: win
Locale: en-US (en_US); UI: en-US
Calc: CL threaded

Edition Windows 11 Pro
Version 23H2
OS build        22631.3374
Experience      Windows Feature Experience Pack 1000.22688.1000.0
Processor       13th Gen Intel(R) Core(TM) i9-13950HX   2.20 GHz

Computer system has a 3840x2400 display + 2 x 3840x2160 displays. 3840x2160 is
the main resolution of interest here.

Calc Data->Group and Outline->Group expand/collapse view buttons located at
periphery of cell area do not seem to be appropriately scaling the active
selection area (pointer target pixels contour) for a high res (3840x2160)
display. Active area behaves as anchored to upper left of button and at
3840x2160 the user has to click at almost exactly the upper left corner of the
button to get a response. Very difficult given reasonable compromise settings:  

A) Windows display resolution (3840x2160) and scaling (175%), and 

B) pointer device settings for precision and pointer icon size

to accommodate a variety of GUI applications.

Most importantly for differential diagnosis, compare to Navigator
expand/collapse view buttons which DO seem to scale correctly such that the
active area remains the entire button area.

Steps to Reproduce:

A) Obviously need a 3840x2160 or higher res display.

B) New (or any) Calc worksheet open having at least 2 sheets. Navigator pane
open. Need at least 2 sheets (or presence of 2 objects of any other Navigator
topic) so that at least one Navigator topic shows an expand/collapse button.

C) Select some contiguous rows then Data->Group and Outline->Group.
Expand/collapse button widget should now show in left margin.

D) Using pointer, visually probe for the contour of the Group expand/collapse
button active (click response) area.

E) Repeat C, D appropriately for grouping contiguous columns.

F) Compare Group button active area found to a probe of Navigator
expand/collapse button active area.

NOTE: LO versions earlier than 24.2 not tested.

WORKAROUND: Select rows or columns of interest then menu navigation or
F12/Cntrl-F12.

Regards.

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