Getting QT to respond to power-events (sleep/hibernate)

Posted by Chris Kaminski on Stack Overflow See other posts from Stack Overflow or by Chris Kaminski
Published on 2010-05-17T17:38:14Z Indexed on 2010/05/17 18:10 UTC
Read the original article Hit count: 313

Filed under:

qt4

|

c++

|

power-management

|

qt

I'm trying to develop software that is intelligent wrt sleep events (cleanly closing network connections, making sure data restart locations are set properly, etc).

Are there mechanisms in QT (4.6) currently that facilitate me responding to system power events?

© Stack Overflow or respective owner

Related posts about qt4

Qt Linking Error.

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I configure qt-x11 with following options ./configure -prefix /iTalk/qtx11 -prefix-install -bindir /iTalk/qtx11-install/bin -libdir /iTalk/qtx11-install/lib -docdir /iTalk/qtx11-install/doc -headerdir /iTalk/qtx11-install/include -datadir /iTalk/qtx11-install/data -examplesdir /iTalk/qtx11-install/examples… >>> More
Hiding an entry from a QMenuBar in Qt4?

as seen on Stack Overflow - Search for 'Stack Overflow'
I can find no non-deprecated way of hiding an item in a menu bar in Qt4. This post: http://qt.nokia.com/developer/faqs/585 gives a method that uses deprecated Qt3 compatibility functions. Is there a better way? >>> More
Supported Audio Formats of Qt4 Phonon?

as seen on Stack Overflow - Search for 'Stack Overflow'
I am making a music player in PyQt4, and I am using Phonon to play the music itself. This application is aimed primarily at Windows, but I plan on also supporting Mac and Linux versions. What I want to know is which audio formats are supported by Phonon so that I can ensure that the user only enters… >>> More
Cannot complete a basic task in QT4

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi all, I cannot open a new window in QT. I new in QT so I think I am missing something. I only write the code below and settings windows just shows itself and closes. I have commented out destructor but still problem persists. SettingsWindow s; s.show(); What do I do wrong ? By the way I cannot… >>> More
Latitude/Longitude Qt4 widget?

as seen on Stack Overflow - Search for 'Stack Overflow'
What is the best starting point for a Qt4 widget for entering Latitude/Longitude in DD:MM:SS format (degrees, minutes, seconds)? Customize a QLineEdit? A series of spin boxes? >>> More

Related posts about c++

C++ : C++ Primer (Stanley Lipmann) or The C++ programming language (special edition)

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a Computer Science degree (long2 time ago) .. I do know Java OOP but i am now trying to pick up C++. I do have C and of course data structure using C or pascal. I have started reading Bjarne Stroustrup book (The C++ Programming Language - Special Edition) but find it extremely difficult esp… >>> More
Which C++ book shold I get between "C++ Primer" vs "C++ Primer Plus"

as seen on Stack Overflow - Search for 'Stack Overflow'
I want to learn C++ by using Vim and MinGW as compiler. I'm interesting at "C++ Primer (4th Edition)" and "C++ Primer Plus (5th Edition)" but I don't know how about it different. It has no book store that I can review those books, so I want to know, what is the different between those book and which… >>> More
Managed c++ std::string not accessible in unmanaged c++

as seen on Stack Overflow - Search for 'Stack Overflow'
In unmanaged c++ dll i have a function which takes constant std::string as argument Prototype : void read ( const std::string &imageSpec_ ) I call this function from managed c++ dll by passing a std::string. When i debug the unmanaged c++ code the parameter imageSpec_ shows the value correctly… >>> More
I need help on my C++ assignment using MS Visual C++

as seen on Stack Overflow - Search for 'Stack Overflow'
Ok, so I don't want you to do my homework for me, but I'm a little lost with this final assignment and need all the help I can get. Learning about programming is tough enough, but doing it online is next to impossible for me... Now, to get to the program, I am going to paste what I have so far. This… >>> More
The Definitive C++ Book Guide and List

as seen on Stack Overflow - Search for 'Stack Overflow'
After more than a few questions about deciding on C++ books I thought we could make a better community wiki version. Providing QUALITY books and an approximate skill level. Maybe we can add a short blurb/description about each book that you have personally read / benefited from. Feel free to debate… >>> More