QString property with null QString value converts to an empty string, not...
Hi, I’m not sure I fully understand your situation. Could you post a sample code that illustrate your question ?
View ArticleSome kind of GridView with groupable items and subheaders???
This is post #3 so far, and I’ll probably be posting many more questions (but don’t worry, I DO search the forums first (the best I can) to make sure someone else hasn’t already asked). First some...
View ArticleKeyboard and mouse does not work together to change the source image
Hey, i don’t know whats the problem with the not changing images by mouse over is. But have you thougt about to use a repeater or better a listview to generate a various number of radio buttons width a...
View Articlea larger memory leak while using dynamic listmodel?
hello everybody.I am learning QML in Qt 5.0.2,now i try to make a simple picture viewer, so i write a c++ class to manager the paths of picture in which directory i selected, and the listModel may be...
View Articlea larger memory leak while using dynamic listmodel?
sorry the code is nothing with dynamic listmodel….>”<
View ArticleKeyboard and mouse does not work together to change the source image
I found the solution… Rectangle { id: rectangle1 x: 0 y: 0 width: 480 height:...
View ArticleHow to specify JavaScript files in .pro file (Qt Quick 2 qmake project) to...
Hi. I have Qt Quick 2 project. I need to implement computer graphics lab: drawing ellipses with different algorithms. I decided to separate ui from algorithms and created ellipse.js file. The problem...
View ArticleScene graph perspective projection
I know that qml engine creates orthogonal projection matrix for openGL to draw the 2d scene. What I want is to define perspective projection matrix multiplied by some camera control matrices that will...
View ArticleHow to display Chinese in Qt Quick 2.0
I’m a Chinese .After I downloas the Qt SDK5.0.2 and ther I want to add Chinese to the code,but I can’t .
View ArticleHow to display Chinese in Qt Quick 2.0
Do you have a small example piece of code for us to look at? It is rather hard to provide hints without some code to look at.
View ArticleTo Display Video Frame on QML
I am using opencv to display video frames from web cam on Qt gui. Now I have planed to display it on QML window(without Qt gui). I was trying to use qdeclarative view but I didn’t succeed. I am...
View Article[SOLVED] Dynamical aliases or equivalent of C pointers in QML
Hi. I need to do a computer graphics lab: drawing ellipses and circles with a different algorithms. My teacher requires different algorithms for circles and ellipses (of course, I can draw circle as an...
View Article[SOLVED] Dynamical aliases or equivalent of C pointers in QML
OK, got it. I forgot that JavaScript assignment is not a data, but a reference copy (I’m a complete novice in JavaScript, only 3 days). So I just needed to make assignment on checkbox checked:...
View ArticleAbout rendering a QML Item into pixmap
So I’ve got this case where I’m rendering a QML Item into a pixmap to be used as the source of an Image {} in the view to do some magic.. so my setup is that I’ve got an object to grab the item into...
View ArticlePlaying media from another source type
Hello everyone, I want to play audio and video in my QML application. The problem is: I’m handling protected data (mp3, avi etc.). Therefore I’m writing those files to an encrypted container file. I...
View ArticleHow to display Chinese in Qt Quick 2.0
Can Qt Linguist solve this problem Do you have a small example piece of code for us to look at? It is rather hard to provide hints without some code to look at.
View Articlememory leak while using ListView
good morning everyone, I think i found a memory leak while using ListView and ListModel. code is quite simple, just a ListView and a delegate which’s duty is to show the image from the model’s...
View ArticleWhy I can't see the code from The Qt Assistant or qt-project.org/doc
Hello, everyone. I meet a problem while I using Qt assistant, I can’t see the code in some Qt5’s example (ie:QML Advanced Tutorial 1), then I google this problem, it’s said that setting the Qt5 kits to...
View ArticleQML Gradient Any Direction - SOLVED
Hi, This was exactly what I needed – somehow OpacityMask won’t go well with traditional QML gradient+rotation Your Class solved it, thanks! Note: Qt 5.0.2
View ArticleWhy I can't see the code from The Qt Assistant or qt-project.org/doc
Hi chenjie4255, Your browser is ok, but the documentation is broken. It is being fixed now, and you should be able to see the code when Qt 5.1 comes out. For now, you can find the code for that example...
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