deleteLater called from different thread (std::thread)
I have a tree structure (say tree-A) the nodes of which are derived from QObject and std::enable_shared_from_this and std::shared_ptr is used to manage the lifetimes instead of QObject-parent-child....
View ArticleQT QSerialPort and QTcpSocket working together
I’m writing a medium program where it is supposed to get some packages from a program in one computer (A) via TCP protocol and send it to another machine(B) using the serial port. This is generally...
View ArticleQt NCreports "ncreportpreviewpagecontainer.h: No such file or directory"...
I am new to Qt and i am trying to debug a Qt program made about a year ago. I have installed the latest version of the NCreports. When compiling i got this error: c:\Program...
View ArticleDoes QtQuick Video and MediaPlayer elements can show streaming content ?
Does QtQuick Video and MediaPlayer elements can show streaming content (so the source won’t be a file – it will be a url of device on the web) ?
View ArticleQt/C++/OpenGL desktop development
Hello all, We’re a new startup trying to commercialize an interesting new technology we have developed. If you’re interested and knowledgable in Qt/C++/OpenGL desktop development, could you let us...
View ArticleQt NCreports: header filefrom ncreports not found when compiling. . .
I am new to Qt and i am trying to debug a Qt program made about a year ago. I have installed the latest version of the NCreports. When compiling i got this error: c:\Program...
View ArticleQt/C++ desktop application developer needed
Hello all, We’re a new startup trying to commercialize a new interesting technology we have developed. If you’re knowledgeable in Qt/C++, could you let us know to discuss how we can work together?...
View ArticleQt NCreports: Got a "ncreportpreviewpagecontainer.h: No such file or directory"
I am new to Qt and i am trying to debug a Qt program made about a year ago. I have installed the latest version of the NCreports. When compiling i got this error: c:\Program...
View ArticleQt 5, MINGW & Windows SDK
Is Windows SDK required to build Qt 5 with ANGLE? Or ANGLE (and -directwrite for that matter) not possible with mingw? I ask because I thought mingw requires its own Windows headers and is not...
View Articlehow to print our language direction
Hello guys, i want to print the writing direction associated to a given language as a string Case 1: workings well This code outputs the direction =1 for language arabic associated to country Egypt...
View ArticleTabView Tabs icon
Hello! Is there any ways to set icon for TabView’s Tab. For example, in Qt Widgets I can set tabIcon or something like this.
View Article[Qt 4.8] How to use QGraphicsDropShadowEffect while defining a QStyle ?
Hello, I am redifining a customized Style for my desktop application in which I would like to draw buttons with shadow effects. To do so, I tried to overload the drawPrimitive method in my class which...
View ArticleThe replacement of "window" object in Javascript
Whatever we declared a global variable in Javascript under browser, it will be added to the “window” object automatically. Then we could check did a global variable/object declared by looking at the...
View ArticleClient 2 client communication
Hello everybody, I have a theoretically oriented question. I have a client-server architecture and I want to establish a communication between clients directly (I expect big amount of data). What would...
View ArticleQtWebKit 3.0 and Mouse to select text
QML component WebView (QtWebKit 3.0) let only to click on the links, no possible to select the text in the page. Is it somehow possible to provide this option?
View ArticleProblem with the MySql-Driver
Hello, i have a problem with my MySql-Driver. I cant compile it. I`ve choose this Introduction (http://ieatbinary.com/2011/07/11/how-to-enable-mysql-support-in-qt-sdk-for-windows/) to compile the...
View ArticleUsing QxtGlobalShortcut and getting error
I started a new GUI Application in Qt Creator and, to get QxtGlobalShortcut working, I followed the directions located here: http://libqxt.bitbucket.org/doc/0.6/qxtglobalshortcut.html...
View Articleinstalling problem in Ubuntu 10.04
I download source of qt from website. it goes nice . I install it. But when I click on Qt Logo it not started. so I try by command line then I found this error. Failed to load core:...
View ArticleQListWidget: blank line appears during runtime and "selection shifts"
Hi, I have QListWidget populated with custom items – each contains some labels. From time to time “blank item” suddenly appears on top of list, other items move one position down and selection “shifts...
View ArticleHow to let Qt Application stay on desktop and translucent?
I want the application will remain on desktop when win+d pressed,and it is translucent. SetParent(w.winId(),desktopHwnd) can make Widget stay on desktop but if I use this function setWindowOpacity()...
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