Recent questions tagged x11

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x11 - UBUNTU: XOpenDisplay(NULL) fails when program run in boot sequence via rc.local

I have written a program that runs with ROOT permission in Terminal following login but fails when XOpenDisplay(NULL) ... I need to do? David See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - Running Chromium inside Docker - Gtk: cannot open display: :0

When I try to run chromium inside a docker container I see the following error: Gtk: cannot open display: :0 ... Gtk: cannot open display: :0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - Is there a linux command to determine the window IDs associated with a given process ID?

Given a process iD of XX, I'd like to have a list of any window id's where _NET_WM_PID = XX. Even better ... on getting from PID to window ID. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - how to define window stacking order?

I'm trying to write my own window manager. One issue I faced is that I don't understand how to ... .6/doc/libxcb/tutorial/index.html#winstack See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - Xlib.h not found when building graphviz on Mac OS X 10.8 (Mountain Lion)

When using homebrew to install graphviz, the script gets to the point of "Making install in tkstubs" and ... XQuartz until yesterday. Cheers. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - How to know which window has focus and how to change it?

I would like to know how can I ask X11 which windows has focus. And if for any reason my own application (that ... be very nice. Thanks a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x11 - How to get the list of open windows from xserver

Anyone got an idea how to get from an Xserver the list of all open windows? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

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x11 - How can I specify a display?

When I run some programs over SSH, such as firefox &, I get an error Error: no display specified I would ... and yourdomain.com in the command? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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