Qt Threaded Renderer
Hi I have a 3D engine that run entierely in one thread. I can’t separate inputs from renderer. I subclassed QQuickItem so my entiere engine can render with QML’s OpenGL context. Everything works fine...
View ArticleQt Threaded Renderer
You can set the environment variable QML_BAD_GUI_RENDER_LOOP=1 on mac to force the non threaded renderer.
View ArticleDynamically generating QML
I am very attracted to QML for controlling the entirety of a UI but I am wondering how flexible it is for handling cases such as having the user decide how many rows or columns to split a window. It’s...
View ArticleHow fast and demanding can HTML5 detailed pixel rendering be in QML?
Since QML is rendered with OpenGL, is an HTML5 Canvas component considered quite high performance, nearly to the degree as custom OpenGL? From everything I have read, it is not currently possible to...
View ArticleQML Quick Controls compile error
Thanks again sierdzio. Got an hint from someone else saying that QtQuick.Controls requires QtQuick 2.1 (also found that confirmed at the following link,...
View ArticleFileDialog crashes sometimes in Debug, seems to behave ok in Release
So this is a very ghostly bug… or else Code is very simple: #include <QQmlApplicationEngine> #include <QGuiApplication> int main(int argc, char **argv) {...
View ArticlePackage / DelegateModel with custom components
Hi, I have some custom sub-views/components (View1, View2, View3…) I’d like to display in both a ListView and a GridView. I saw this example with “Package” :...
View ArticleHow to access a root context from QObject?
See the qmlContext() and qmlEngine() documentation. You may need to look at the qqmlengine.cpp source code directly to see that documentation, as qdoc is a broken mess. Cheers, Chris.
View ArticleQML Magnify Shader QQuickShaderEffect error
@Arpegius: make certain that you import QtQuick 2.0 in the document. You can use “property vector2d circlePos” instead of property var (to ensure a property of the correct type). If there are still...
View Articleexposing QListto QML : registering QQmlListProperty in QML type system using...
QQmlPrivate et al are from QtQuick 2. Elsewhere, you #include <QDeclarativeWhatever> stuff, which is QtQuick 1. Your link / build options are wrong, I assume. QQmlListProperty works fine...
View ArticlePackage / DelegateModel with custom components
I’ve finally found a working solution, but I find the code quite ugly, so any suggestion to make it look better would be highly appreciated. Main.qml (custom views are represented here by rectangles of...
View Articlejavascript trans data to qml have problems
./ main.qml Test.qml In Test.qml import QtQuick 2.0 import QtQuick.LocalStorage 2.0 as Sql QtObject{ id:weatherInfo property var db: null...
View ArticleVariant properties in Design mode
I intend to use a variant property like: property variant target property string changeStateTo and change target in Design mode by “SetExpression”. In order to change its state later on a button click:...
View ArticleStrong Flickering in QGLWidget as viewport
I use Qt Gstreamer to push video streams into Qt. I build program that used 2 ‘videotestsrc’ gstreamer elements and render it into QDeclarativeView. I used for it 2 QGst::Ui::GraphicsVideoSurface’s,...
View ArticleQt Quick controls styling ToolBar, MenuBar and StatusBar
Hello, I just started to play around a bit with styling the qt quick controls and don’t see any ToolBarStyle, any ideas how to style the toolbar and the other components that lacks a built in style?...
View ArticleDo stuff after behavior with animation is finished in qml
Hi, I have behavior on a property in qml and i want to do a stuff after the animation is done (is finished). I have used Behaviour with states. Behavior on...
View ArticleButton won't click when embedded in QWidget
hi, i’m trying to add a button defined in qml to an existing project, but when i click the button it does not respond (does not press down / provide any feedback that it has been clicked, and i don’t...
View ArticleReferencing neighbouring QML types from QML file
With reference to the bug listed here: https://bugreports.qt-project.org/browse/QTBUG-26417 I downloaded the sample project resourceBug.zip and fixed it as instructed in the first comment (“I think the...
View ArticleNewbie Question: Share variable from C++ to QML
I’ve been going crazy trying to figure out this simple thing. I have a string (I’ve converted it to a QString) I created with an algorithm in C++. How do I show this string in a label on my app? I’m...
View ArticleNewbie Question: Display fileURLs from FileDialog - getting error from delegate
Hi I’m a QT Newbie, UI Newbie, liking QT Quick but having problem displaying data retrieved with FileDialog. I get an error message from my cfilesDelegate. console output: You chose:...
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