QGraphicsItem : touch manipulation, how to ?
Hello everyone, I would like to manipulate QGraphicsItems in a QGraphicsScene by touch manipulations (scale, move, rotate, inertia). I searched but found nothing already implemented for this. I’m sad...
View ArticleQAbstractSocket::waitForBytesWritten() is not allowed in UnconnectedState
I am getting the following error: QAbstractSocket::waitForBytesWritten() is not allowed in UnconnectedState Basically, I instantiate QUdpSocket and it seems to connect fine because on my log it says...
View ArticleStylesheet background color bug in Windows 8.0/8.1
I am currently migrating two large applications from windows 7 to windows 8.0/8.1. I’ve encountered the following bug: when a QLineEdit has a background color set (through a stylesheet), and the mouse...
View ArticleHow to use Drag.Automatic
Hi Guys, Just updated to 5.2 and eager to test external drag and drop but want to better understand Drag.Automatic. Right now I have this code sample: Item { ...
View ArticleQt Creator中如何优雅地将工程目录下的.a加入.pro中
环境： Qt Creator 3.0.0 Qt 5.2.0 MinGW 4.8 有一个libmylib.a库文件，就在我的myproject工程目录内，需要链接给工程。 我目前的方式是在.pro内的LIBS中写： LIBS += -L”../myproject” -lmylib 因为Qt Creator默认的shadow build，是输出在工程目录平级的build目录。...
View ArticleProblems setting QTabBar tab color, and understanding stylesheet-drawControl...
I’m new to Qt, and am trying to understand how QStyles work together with stylesheets. Specifically, I’ve been digging into the source to try and figure out why (and then patch, if needed) my attempts...
View Article[SOLVED] Custom tabs
Hello, I would like to create custom tabs similar to “Tab Widget”…. I have three areas in my mainwindow… I would like to change only middle area on a similar way such as “Tab Widgets”… Is that...
View Articlestdlib.h: No such file or directory
Just installed QT Mobile. I the basic QT Quick project by clicking the “New Project” button. The project compiles just fine when I target the Windows desktop but when I select to build for Android, I...
View ArticleStrange border appearing when hovering over Widgets in a QGraphicsScene
Hi all, I’ve got this QGraphicsProxyWidget which is composed of QFrames and QLabels. A stylesheet defines the appearance of the item. Everything works fine, except for a gray border which appears...
View ArticleQt Quick Components without Aero is displaying buggy (on windows)
I’m half way on my project. Qt Quick was awesome but when I change my theme in to a none Aero theme everything is buggy. Custom widgets are not displaying and updating correctly. Sometimes UI visual...
View ArticleAndroid porting app X11 functions and variables
Hello! I’m trying to port application written with X11 fucntion and variables. For example: headers: X11/Xlib.h, X11/Xutil.h; functions: XOpenDisplay(), XQueryPointer(); variables: Display, Window;...
View ArticleQt5, eglfs, WebKit2 ,Qml and Snowshoe/MiniBrowser
hi there I’ve been playing around with getting a browser with proper WebGL support to run on my i.IMX6Q target. I have already tried the browsers from qt5 examples, i.e. browser and fancybrowser. The...
View ArticleHow to interpret Index matrix in the OpenGl Cube example
I am new to OpenGl. I was trying to understand the Qt OpenGL cude example code. I am confused with the indices matrix in the geometryengine code. The index buffer values that i found over the internet...
View ArticleStudent_Help
Hello and good day, I am trying to figure out how initiate the calculations as well as bring up the message box based on the Pushbutton Calculate being pressed ?? Please help. #include...
View ArticleMSVS&Qt 5.2 QWebKit is not built
Hi there, I’ve downloaded Qt5.2. sources and tried to build it. While everything went smoothly I didn’t find QWebKit* dlls in the output folder. So I tried to go to qtwebkit subfolder and typed nmake –...
View Article[Solved] Issues with eventFilter
Hi Since I have added an eventFilter on the Application object to catch all mouse/touch events to filter them I am having some issues . Basically, the eventFilter works. For debug purpose I just show...
View ArticleAccess to item inside a GridView
I have a gridview with images. When an image is clicked a dialog appears, which is defined outside of the gridview. When the dialog is clicked, the state of the previously clicked image should be...
View ArticleQApplication::focusChanged analogue in qml
Is there analogue of/replacement for QApplication::focusChanged [qt-project.org] in qml?
View ArticleQListView scrolls up on list item drop.
Hi guys. I read a couple of notes about enabling items reordering in the QListView. I reimplemented flags() and supportedDropActions() methods and it seems to be working. I can take an item from the...
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