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0014685

CMake

QtDialog

public

2014-01-07 04:15

2016-06-10 14:31

Reporter

Woomla

Assigned To

Clinton Stimpson

Priority

normal

Severity

minor

Reproducibility

always

Status

closed

Resolution

moved

Platform

Windows

OS Version

8.1

Product Version

CMake 2.8.12

Target Version

Fixed in Version

Summary

0014685: cmake-gui does not display text in console

Description

Cmake-gui does not display any text in a windows console.

Steps To Reproduce

1. Start console: cmd.exe.
2. Execute: cmake-gui --help.

Additional Information

I expect the help text to be displayed, just like cmake does.
Instead nothing seems to happen, no gui, no help text.

Running: cmake-gui --help cmake-help.txt creates the file with the expected text. I was looking for the command-line parameters (-H and -B).

Probably the cause is that when writing to the console in a Qt GUI project (in windows 8.1) the text is not written to the parent console. Redirecting the text works.

To attach to the parent console I once did (when not starting the gui):
AttachConsole(-1);freopen("CONOUT$", "w", stdout);
But this leaves the console open...

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Notes
(0034913) Clinton Stimpson (developer) 2014-01-07 21:12	This seems a bit difficult. I happened to experiment with this using Visual Studio 11. I wanted to make sure that redirection to a file would keep working (cmake-gui --help > help.txt). To redirect to the console, we need to do freopen(), but only if it isn't redirected to a file. _fileno(stdout) might give some indication of this because it is supposed to return -1 or -2 for non-gui apps, and I assume that it does so if there is no redirection. But _fileno(stdout) is broken under some versions of Visual Studio. https://connect.microsoft.com/VisualStudio/feedback/details/785119/ [^] So, I don't yet see a robust way to do this. Do you have a suggested patch to cmake-gui?

(0034942) Woomla (reporter) 2014-01-15 03:07	Currently I have no clue how to solve this.

(0042460) Kitware Robot (administrator) 2016-06-10 14:29	Resolving issue as `moved`. This issue tracker is no longer used. Further discussion of this issue may take place in the current CMake Issues page linked in the banner at the top of this page.

Issue History
Date Modified	Username	Field	Change
2014-01-07 04:15	Woomla	New Issue
2014-01-07 08:59	Brad King	Assigned To	=> Clinton Stimpson
2014-01-07 08:59	Brad King	Status	new => assigned
2014-01-07 21:12	Clinton Stimpson	Note Added: 0034913
2014-01-15 03:07	Woomla	Note Added: 0034942
2016-06-10 14:29	Kitware Robot	Note Added: 0042460
2016-06-10 14:29	Kitware Robot	Status	assigned => resolved
2016-06-10 14:29	Kitware Robot	Resolution	open => moved
2016-06-10 14:31	Kitware Robot	Status	resolved => closed