Bluetooth in Qt4/5
Can anyone point me to a way to manipulate bluetooth through Qt. I want to create a bluetooth service for Windows and Mac. Here is what I have found, so far: QBluetoothZero [developer.nokia.com] Qt...
View ArticleFrame Capture of the application itself
Hello all, I am a beginner with Qt and I am trying to take a frame capture of the application itself. In the examples, I found desktop screen captures and web frame captures. Do you have any idea...
View ArticleInstallation Fail (examples)
Hi. Absolute newbie here. Though I have some programming experiance, I never got around to C++ so this question may seem like a newbie question, b’cause it is. Good freind suggested if I want to learn...
View ArticlePassing QImage to a function
Hi, I need to write a function that accept QImage as an input. I declared QImage pointer as QImage *image; And create a new image and set this pointer as QImage img("path to image...
View Article[Duplicate/Closed] Passing QImage to a function
Hi, Please let me know the difference between somefunction(QImage *image) and somefunction(QImage &image) Thanking you, Ras
View ArticleHelp needed putting two SVGs side by side
Hello, this is my first post here I’m having trouble putting these two SVG files together, as shown in the image. The black line inbetween them is not supposed to be there. The SVG on the left is...
View ArticleQt 5.0 QWebView crashing problem
I am migrating from Qt 4.8.4 to Qt 5.0.1 and have run into a problem with the QWebView. In debug my application works fine with QWebView objects, but in release the application crashes when attempting...
View ArticleQt on Pi -"Qt version not installed properly" again!
I read this [qt-project.org] and tried to install Qt5 on RaspberryPi use script [gitorious.org]. He executed, but when trying to configure Qt Creator 2.6.2, add Qt Versions, I get “Qt version not...
View ArticleWriting QImage into a buffer always returns error
Hi, I tried to write a QImage into buffer as follows, bool MainWindow::somefunction(QImage &image) { QByteArray bytes; QBuffer...
View ArticleQch for mix of Doxygen and flat Html files
Hi, I am considering using Qch for a project which has documentation generated by Doxygen and also some flat html files which are updated manually. Will Qch be able to search both of these at the same...
View ArticlePro file configuration for using a static lib
Hello, I have two projects, one is a lib file I included staticly in my other project. Under linux/qtcreator and windows/visualStudio, the output is a .lib file. Under windows/qtcreator, the output of...
View Articlewrite edited qstringlist from qlistwidget to a file
Hi All, i try to write out a qstringlist to a file, but the file remains empty. First put in some data (from a file) to the listWidget. void MainWindow::on_radioButtonLF3_clicked() { ...
View ArticleVerständnis zur Speicherreservierung
Hallo, ich versuche gerade ein Verständnis der Speicherreservierung zu bekommen. Dazu habe ich mir das unten abgebildete Programm geschrieben. Leider wirft er mir ein std::bad_alloc. Dabei ist es ja...
View ArticleQt 4.8.4 examples/widgets/sliders coredump
Hi: I was trying to run examples/widgets/sliders. It coredumps. Have any idea? Thanks Todd (gdb) where #0 0×0000000000000000 in ?? () #1 0×00002aaaab0201c5 in...
View ArticleJolla Released SailfishOS SDK
Hi All, Great news! Today Jolla released an updated version of the SailfishOS website [sailfishos.org] as well as Sailfish SDK for Linux [sailfishos.org]! Thank you Jolla :)
View ArticleCast a QVariant to a QList
Hello everyone, I did a search in the forum but didn’t find anything. (If I’m wrong, just link me the threads please). I have some customs classes, and I need to map them with some QVariant. What I’m...
View Article[BG] Jolla и SailfishOS
Здравейте, Днес Jolla официално пусна SailfishOS SDK за Linux. Можета да го свалите от тук [sailfishos.org]. Jolla e финландска компания, съставено предимно от бивши служители на Nokia. SailfishOS е...
View ArticlePrevent concurrent access from different threads?
Hi, I was wondering whether I could have some views on the following. My application uses a thread to run a simulation and generate simulation data. A thread is used so that my application’s GUI can...
View Articlehowto write a qstringlist from a listwigdet
Hi, I want to write a qstringlist from data wich is in a listwidget. Idea is that the user selects data in the listwigdet he doesnt want. The resulting qstringlist should than written to a file. This...
View ArticleImplementing Simple Window System
I’m trying to implement a system of windows in which there are two windows. When each of the respective windows is active, it can be displayed over the other window. However, only a single window...
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