bugGNU TeXmacs - Bugs: bug #46555, Refreshable widgets


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bug #46555: Refreshable widgets

Submitter:  Joris van der Hoeven <vdhoeven>
Submitted:  Fri 27 Nov 2015 02:45:57 PM UTC
Category:  Qt port Priority:  9 - Immediate
Item Group:  Error Status:  Confirmed
Privacy:  Public Assigned to:  mgubi
Originator Name:  Open/Closed:  Open
Release:  None Release: 
Fixed Release:  None Fixed Release: 

Fri 27 Nov 2015 02:45:57 PM UTC, original submission:  

There are various long standing problems with 'refreshable' widgets (refreshed using refresh-now), which makes it extremely troublesome to develop new non trivial widgets for TeXmacs.
The precise problems tend to depend on the specific version of Qt being used, but as a general rule, refreshable widgets are nearly impossible to use at present.

In order to reproduce one typical such bug, uncomment the 'refresh-now' statement in 'cell-set' in 'table-widgets.scm'.  Next, create a table, open Format -> Cell, and change various cell properties.  Depending on the OS/Qt-version, the cell property window disappears, is not refreshed appropriately, or is assigned an invalid size.

Besides, in case of changes inside a widget, the size of the enclosing window is often recomputed in an incorrect manner.  This is also a very annoying bug for the development of TeXmacs widgets.

Joris van der Hoeven <vdhoeven>
Group administrator


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    Date Changed by Updated Field Previous Value => Replaced by
    2015-11-27 vdhoeven Priority5 - Normal 9 - Immediate

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