Qt 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...
View ArticleProblem With QMediaPlayer
I’m Trying To Implement a simple audio player in my application but it gives me an error.. The Parts I Just Added: player = new QMediaPlayer(this); playlist = new...
View ArticleAdding The Widget to QTableWidget Horizontal (column) Header
is it Posible To add a QpushButton to The QTableWidget column Header..?
View ArticleDrag and Drop a 3D shape into a QGraphicsView and display -- how to?
Hi, all: I’m trying to drag and drop a 3D shape into a QGraphicsView and display. Is there any examples for me to follow or use directly? Cheers Pei
View Articlelibwinpthread-1.dll dependency
Hi, I work with a qt 4.8.5 compiled statically on W7, I try now to remove all dependencies of my .exe. First the last dll needed was libgcc_s_sjlj-1.dll, libstdc++-6.dll and libwinpthread-1.dll So I...
View ArticleLoad and redraw is very slow in Windows Compact Embedded 7
Hi everyone, i’m starting developing with Qt on a ARMv7 system [ti.com] with windows CE7 running on it. I built the version 4.8.4 and started with some simple examples. The problem is, it takes at...
View Articlemac osx 10.7 lion unable to get past configure step
mac osx 10.7 i7 64 bit OS xcode 4.7 (latest) with command line tools installed qt-everywhere-opensource-4.8.4.tar.gz configure options: ./configure -universal -nomake demos -nomake examples -qt-zlib...
View Article在QGraphicsView中画一个3D cuboid，并且可以用鼠标任意拖拽顶点或者边，但是不改变背景图，怎么做？
Hi, all: 我想在QGraphicsView中画一个3D cuboid，并且可以用鼠标任意拖拽顶点或者边，但是不改变背景图。不知道是用Qt3D 还是 qwtplot3d？ 另外，有没有比较良好的纯C/C++的 shape的库，很想用CGAL来着，但是看着好复杂，貌似要对形状理论有较深理解，比较痛苦… cheers Pei
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