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How to set the Stylesheet for the QSpacerItem?

Can anyone please tell me how to set the Stylesheet for the QSpacerItem ? AFAIK, QSpacerItem doesn’t have this setStylesheet function. Please suggest…

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setEnabled vs. setDisabled

I just had the problem that a widget was not disabled with widget->setEnabled(false); but it works with widget->setDisabled(true); . Can anyone explain please how that comes? Thanks

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Using QInputDialog with custom QValidator

Hi, I’m trying to use QInputDialog with Validator. The custom Validator I’m using is from here [qtforum.org] . In the docs I saw that one of the arguments of the function QInputDialog::getText can be...

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[blackberry] Debugging cascades app under QtCreator

Hello, forum! I’ve got an issue trying to debug my blackberry cascades app under QtCreator 3.0 (everything works fine with Momentics). Here’s an issue: during debugging I am able to use breakpoints and...

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Set waitcursor on qtextedit

By default in a Qt GUI app the cursor changes to an IBeam when the mouse moves over a textedit. How can I change it to a waitcursor? I can set the waitcursor to the whole app but that is not what I...

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New style connect to non-slot function with default params?

Hi – I’m trying to connect a signal to a non-slot function in a Qobject, namely QScriptEngine. The class has these functions: QScriptValue evaluate(const QString & program, const QString...

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Qt Quick Designer Enhancements?

Are any enhancements planned for Qt Quick Designer, such as the addition of more QML types in the Library? Thanks. Steve

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Remote debugfing with Qtcreator, displays double floats/doubles incorrectly

I successfully compiled qt and have a complete remote debugging with single steps working, with the exception of float/double. I use QSettings to read a double value from a in file, and this is always...

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What version of OpenGL Shading Language (GLSL) does QtQuick 2.2 support?

What version of OpenGL Shading Language (GLSL) does QtQuick 2.2 support when ShaderEffect is used in QML? Is the entire spec supported? Thanks. Steve

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Session - Keeping track if user is logged in

Hi, I have connected my Qt app with a mySQL database. I use a login form (custom QDialog) that check if the username and password are correct, if so, the main Window starts. This all work correctly,...

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Beginner needs help

I am new to qt and c++ and I don’t know where to start. I am a part-time programmer for 20 years now, starting with basic and moving to object oriented languages, at last this was xojo. I became...

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(Solved) [QT 5.2 OpenGL] Unable to draw triangles

Hi everyone, I’m just stuck trying to draw triangles using QT5.2 and OpenGL 4.3. Simply nothing is drawn on screen, I get backgroundColor only. I have an OpenGLViewport class derived from QWindow, and...

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Using a registered type when using a class from a c++ backend for a qml frontend

Hello, I have a Database class in my c++ backend in which I manage all my SQLite databases. I am using this backend and have created an API for my QML frontend to see. In order to do that I had to...

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Qt 5.2.0 Android, QListWidget or QListView and DoubleClick

Hello all, I build a Qt application with: 1) Qt 4.8 with Necessitas 2) Qt 5.2.0 for android I try it on a Samsung Galaxy Tab2. I found that QListWidget or QListView don’t emit or manage doubleClicked...

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Smartphone/Tablet Icon/App-like Positioning/Drag and Drop

Is there any good way of doing a Smartphone/Tablet-like Positioning with draging QML Components around which snap to position and move other Components away, a customized positioning, that means not a...

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[Solved] Singletons in 5.2

Hey, i am afraid i am super confused as to how Singleton types are supposed to work. The documentation on the area is sparse at best and when there is some, it’s all saying something different or...

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Window width and height in QML

Hello I’ve got a strange question. Is it possible to find out a root qml Item size when the window is maximized (viewer.showMaximized(); method is used). I’m asking because this code Item {  ...

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Overlap two widget

Hello, I would like to create this kind of window. I use a QTabWidget customized using StyleSheet so I managed to add a space between the first and the second tabs, Now, I would like to put some...

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One signal to many slots (and not the other way around

Dear all, Lets say for example I have a push button that, upon being clicked, clears five doubSpinBox’es. I could manually do this as follows:     connect (ui->pushButton,...

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Improve The Look Of QT Screen

Hello, Im trying to make a few cosmetic changes to our system. 1) On the top bar of the mainwindow, right above the menu, it shows a default windows icon next to our company name, and I want to put in...

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