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Report From: Kylix/VCLX/TApplication [ Add a report in this area ]

Report #: 3193

Status: Open

application.messagebox delayes focuschange

Project: Kylix

Build #: 4.186

Version: 3.0

Submitted By: Martin Schreiber

Report Type: Minor failure / Design problem

Date Reported: 12/20/2002 8:18:33 AM

Severity: Infrequently encountered problem

Last Updated: 3/20/2012 2:24:39 AM

Platform: Kylix Pascal IDE

Internal Tracking #: 158280

Resolution: None

Resolved in Build: : None

Duplicate of: None

Voting and Rating

Overall Rating: (3 Total Ratings)

4.00 out of 5

Total Votes: None

Description

QForms.TApplication.MessageBox does not reactivate the activeform and blocks focuschange until application.processmessages is called. On Windows this problem does not exist.

Problem:

procedure TCustomForm.SetWidgetFocus;
.......
QWidget_setFocus(FocusControl.Handle);
<- after execution of TApplication.Messagebox Qt does not send a QEventType_FocusIn event to FocusControl, it post it to the queue.

System: SuSe 8.1, KDE 3.0.3

Steps to Reproduce:

1. Download and run the attached project.
2. Click 'run testcase with messagebox'.
3. In messagebox click 'OK'.

// Exp:  widget2.focused = true (the same as on windows)
// Act:  widget2.focused = false.

5. Click 'run testcase without messagebox'.
6. widget2.focused = true.

// Exp:  widget2.focused = true (the same as on windows)
// Act:  widget2.focused = true (no problem here)

Workarounds

None

Attachment

3193.zip

Comments

Matthias Thoma at 2/22/2003 2:52:47 PM -

Please add *complete* steps which illustrate what actualy happens, what you expect and do not forget to mention which system/windowmanager you are using. TIA.

Martin Schreiber at 2/24/2003 4:36:34 AM -

I have attached a project to demonstrate the effect.

Andrew Fionik at 3/24/2003 6:48:35 AM -

I can confirm effect.

Martin Schreiber at 3/24/2003 11:21:09 PM -

Thank you!

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