Installation Qmake issues
Hello I still have problem with online installation. Problems are similar to bugs report here https://bugreports.qt-project.org/browse/QTIFW-394 especially:...
View ArticleQOpenGLFramebufferObject toImage after bindDefault is empty
Hello, I’m in trouble. I have following code and in QMessageBox just white box :/ If I print it in fbo->bind its working. QOpenGLFramebufferObjectFormat format;...
View ArticleCreating own proxy
Hello, My purpose here is to create a proxy destinated to combobox. Basically, I would like to have a list of items into my combobox. But as a first item, I would like to see appearing “all” instead of...
View ArticleMac: Moved from Qt5 back to Qt4: Makefile picking up wrong lib dir; but kit &...
Hi all, I moved from Qt5 to Qt4, but somehow the build system is picking up leftovers from an old setting. As stated above, the kit seems to point to the right place. The qmake part of things seems to...
View Articlecomplementing a qstring of variable length to a maxlength with spaces
i have a qstring variable with a variable length content,and i want to complement the qstring in the end with spaces so it will have a constant length of maxlength. what is the proper code?
View ArticleWhere can i find last QT + QT creator for Windows XP
Due no support I have to find older versions. I was checking archive (http://download.qt-project.org/archive/) but there is only QT creator 2.5. I´m looking for combination QT creator + QT MinGW for...
View ArticleQAbstractTableModel and centered checkbox
Hi, I have QAbstractTableModel with boolean columns (user checkable). I’m trying to align position to center. I found this article:...
View ArticleUnable to connect to Mysql on Mac
I’ve searched a lot for a nice new Development Tool and was just so happy to find Qt. But now it seems impossible to get it work properly. Since days i’ve tried to successfully connect to my mysql...
View ArticleSudocode at Robotix 2014
Robotix 2014 presents its online coding event, Sudocode, which involves multiple problem statements that span various genres of programming. Encounter Specialist is a restricted path planning problem...
View ArticleCall object.callbackA.connect(callbackB) in C++
How can I call: var object = component.createObject(pageParent); object.callbackA.connect(callbackB) in C++ ?
View ArticleCheck if some subpaths of QPainterPath is closed or not
Hello, I’m trying to figure out a way to check if some of the subpaths contained into a QPainterPath is closed or not. What I want to achieve is a generic procedure to filter out all open subpaths and...
View ArticleSending events to an html page rendered by a qt browser
Hi, Myself have a qt browser rendering webpages.I need to give mouse events from the browser itself to make a click on an html page icon.How all I can send the event to html page from qt browser.I can...
View ArticleQtThread
Hi I have been reading about QtThread and there seems to be a lot of discussion about how to correctly use this class. i.e. should developers derive from QtThread or provide an QObject and move this...
View Articleplease help! "qt with node.js is not working!!"
when i do npm install node-qt i get following errors on my console…whats wrong?? @C:\nodejs>npm install node-qt npm http GET https://registry.npmjs.org/node-qt npm http 304...
View ArticleScroll through listItem
I want to scroll to next item in list on the button click event and not through navigation keys. In short, following functionality must processed: focus moves to next item in the list...
View Articledialog behaviour and repaint issue
i’m in the process of “porting/adjusting” a pre-Qt Quick UI (just C++) from desktop to an embedded platform. the app had started on Qt 4.8.x and has now moved to Qt 5.0.2, which is the Qt version used...
View ArticleProblem configuring the compiler
I’m getting that all too common error message when I try to compile: Qt Creator needs a compiler set-up to build… I got minGW installed already. It’s listed in Build & Run – Compilers. Path...
View ArticleGetting an event on calling update()
We are rendering a QWidget on a transparent layer for Ogre. We wanted to get an event if update() or repaint() functions are called at any time. We added an extra event to be able to do that. We are...
View ArticleWhat is the QML "Connection" element on C++ ?
What is the QML “Connection” element on C++ ?
View Article