QML and Qt Quick

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  How to separate a program in Model/View/Controller
  • yassine26  

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  tank you Vijay Bhaska Reddy i try to do it
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  Cut a program in three files QML (Model / View / Controller)
  • yassine26  

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  Dublicate. Closed. "First thread":http://developer.qt.nokia.com/forums/viewthread/7088/
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  Open Dialog Box Like in QMl on top of all other
  • qtnext  

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  Once we have Qt Quick Components ready, we should have all these widgets come ready-made. And about "should it be a global item", I don't know any other way of doing it. May be there is a way??
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  Overlapping QML
  • eirnanG  

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  yea.. it helps a lot, because we're using almost 20 QMLs.... :)
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  Is there a possiblity of setting InputMethodHints to TextEdit in qml
  • thisisbhaskar  

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  oho ok.. thanks for that information. I will try it out. But I can't use Qt Components If I have to publish my apps to OVI store. :(
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  Problem changing the states when switching the current screen to next screen
  • xiazhouquan  

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  i dont know that much, but hav u deleted or close the mainscreen after showing the detail screen.
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  C++: how to call QML ListView selected item object?
  • kathy  

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  lv->property("currentItem"); But normally you want QML to be calling things from C++, not the other way around. Perhaps you could expose the C++ functionality as a function, and call that function from QML with the currently selected item as an argument?
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  A problem about dynacmically creation QML objects.
  • open-src  

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  mmm... What I want to do is just as Emily said, Someone help me? An example is good...
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  How to assign id to dynamically created object
  • franziss  

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  [quote author="Vijay Bhaska Reddy" date="1308651284"]@sigrid, thanks for your reply. But did not get your answer. The question was is on how to assign id to a dynamically created object.[/quote] That is because you asked the wrong question. You asked how to assign an id. As you say yourself earlier on, that is not possible: [quote author="franziss" date="1308625139"]I understand that we cannot dynamically assigned id to the dynamically created object.[/quote] So, asking that, is obviously the wrong question. What you really wanted to know, is given that you can not use ids, what kind of mechanism you can use to refer to dynamically created objects. That is the question that sigrid answered for you.
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  Where to get QtQuick 1.1?
  • franziss  

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  Building the branch 4.7 from git (what will become 4.7.4) or the tech preview of Qt 4.8 are the ways to have QtQuick 1.1 at the moment.
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  How to display multiple lines of text
  • sfjam  

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  [quote author="sfjam" date="1308568992"]in qml how to display multiple lines of text?i use TextEdit,but it doesn't work[/quote] You say you use TextEdit to display multiple lines of text. Are you talking about displaying multiple lines of text or multi-line editor.
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  QML and Qt compile problem
  • Emily  

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  I hava find the problem Thanks because I didn't add 'file://' ahead picture path it is an protocol of QUrl
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  QObject::connect: Cannot connect (null) problem in QML binding with C++
  • xiazhouquan  

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  Thank Tobias Hunger ,I have solved the problem.preply= pmanager->get(QNetworkRequest(url)); is ok
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  Beginning with symbian
  • spode  

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  i thought this: when i press the button for unlocking the screen, the phone charges a background image. on it there are two object: the first one allows to see a group of a group of scattered bubbles with an icon inside. gesturing on one of them, another menu opens, etc. pressing the central button, a menu for settings opens.
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  QDeclarativeItem::setParentItem
  • Jupiter  

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  also i got a problem when using a qml file that contains mouseareas. In a QdeclarativeView everything works fine. but when i put the same qml file into a QDeclarativeItem with following code @QDeclarativeEngine* engine = new QDeclarativeEngine(); QDeclarativeComponent* component = new QDeclarativeComponent(engine, QUrl::fromUserInput(qmlFileName)); QDeclarativeItem *item = qobject_cast<QDeclarativeItem *>(component->create());@ i dont recieve any mouse relating signals in my qml. do i have to set specific flags?
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  Qt Menus
  • javiyt  

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  How to use qml to download a file from http
  • xiazhouquan  

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  The wiki contains an example C++ code which shows "how to download content from HTTP":http://developer.qt.nokia.com/wiki/Download_Data_from_URL
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  [Solved] Publishing an application
  • spode  

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  There ye go.
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  How to let the first ListElement don't display
  • sfjam  

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  Use a QSortFilterProxyModel, and reimplement it to return false for the row number 0 in the filterAcceptsRow() method.
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  Problem using XmlListModel query to parsing rss xml
  • xiazhouquan  

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  Hi, Could you please double check your XML file - it contains some mistyped characters as I see it. Also there is opening <p> which is missing...so please clean it first a bit and then specifiy exactly what do you expect to grab from the xml as pass it over to the role.
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  Qt Backend && Qt Quick
  • Psychomax  

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  If I understand your situation correctly, the correct solution would be to expose the Consumer type to QML. If there is only one instance of the Producer class, then each Consumer class can find that instance using a static method on the Producer class, inside the C++ constructor. Assuming that the Consumer class is a QObject derived class, you just register it with QML and instantiate it in QML when ever you want one. From QML you can access the properties and data of the Consumer object to display them. You can do your special setup in the C++ constructor. This does not require a plugin if you have your own C++ application already, you can register types for use just within your application.
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  How can I use RegExp to parse <p> tag
  • xiazhouquan  

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  Thank you for your advice,now I use javascript RegExp to get the tag content,but QXmlStreamReader is extremely nice.Thanks again !My regards! [quote author="Andre" date="1308471518"]Very simple: QRegExp is not a parser. Do not use it to parse XML. Instead, use the right tool for the job: QXmlStreamReader or XMLPatterns. Believe me, you will make your life easier that way. You might be able to eat your soup with a fork, but using a spoon will certainly result in a more pleasant eating experience. The same goes for solving programming problems. Because you want to do that from QML, you'll either need to such such a facility from javascript (is there such a thing? I don't know.), or expose a C++ object that does the work for you into your QML context. [/quote]
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  [Solved] .mp3 with Qt
  • spode  

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  ahahah that is true! so, thanks!
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  C++ and QML: finding children
  • spode  

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  [quote author="Vijay Bhaska Reddy" date="1308470508"]This should work. Did you try to debug or are you getting any compile time errors. finestraPrincipale => does this get valid pointer?? after the statement @QObject *finestraPrincipale = view.rootObject();@ [/quote] If it wasn't a valid pointer (i.e. 0) he'd get a SIGSEV anyway on the findChild method. @spode: You could try to use the objectName() method to find out whether you actually have the right object
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  How to close a QML application from another QML Application?
  • A350XWB  

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  THANKS! :) i made it..
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  [Solved] Receiving signals from QML to C++
  • spode  

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  [quote author="spode" date="1308387674"]so, that was made! how to choose the solver in this thread?[/quote] Um... what? If the question is related to this [quote author="Lukas Geyer" date="1308340073"]Don't forget to add "[Solved]" to topic titles which have been solved for you.[/quote] just click the edit button on your first post an change the title from "Receiving signals from QML to C++" to "[Solved] Receiving signals from QML to C++".
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  [Moved] QML Map Centre
  • SimonJudge  

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  i got a workground, we can create an qml object on the fly: @ function setPosition(lat, lon) { var coord = Qt.createQmlObject('import QtMobility.location 1.1; Coordinate{latitude:' + lat + ';longitude:' + lon + ';}', container, "coord"); map.center = coord; barLocation.coordinate=coord; }@
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  About a signal which will be handled in TextEdit area
  • sfjam  

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  Vijay, it was asked and response is somewhere in this forum. Try to use search.
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  QML and platform defines
  • frankcyblogic.de  

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  I solved it here: http://developer.qt.nokia.com/forums/viewthread/5862/#38285 Basically, you use macros on the C++ side to introduce a property to QML, the rest can be done in Javascript based on that property (or properties if you like to have many).
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  Binding property to C++ function
  • Merinas  

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  Hi, There isn't currently a way to link them, but there is a suggestion for this in the bug tracker: "QTBUG-17323":http://bugreports.qt.nokia.com/browse/QTBUG-17323 . I'd suggest leaving a comment there with your usecase if possible -- it would be helpful to see more examples of where this plays out in real life (e.g. the kind of internal changes that cause this sort of situation). Thanks, Michael
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  Strange offset after rotating a rectangle
  • talmage  

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  I get it. Thanks. These kinds of transformations have always confused me.
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  What is faster, scale, tile or clip image?
  • Zmozie  

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  I can try to see what feels fastest, but it would have been good to know what is fastest. And the problem that the image don't scale to the edges or too long is not only for images, also borders will behave the same. But an empty rectangle will behave exactly as I would expect, anyone got any idea what could be the problem?
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  [SOLVED] String conversion
  • david.luggen  

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  or maybe this: "http://doc.qt.nokia.com/latest/qstring.html#arg":QString::arg() by specifying a fieldWith and fillChar
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  [solved]tab control like element in qml?
  • kathy  

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  Yes the desktop components should give you what you need for that. There is also a tabwidget example if you want to design one from scratch: http://doc.qt.nokia.com/4.7-snapshot/declarative-ui-components-tabwidget-tabwidget-qml.html
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  Resizing problems. ):
  • imma_intern  

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  Ok.. seems this have a problem. I tried the below code and seems to work. Can you try.. @ #include <QDeclarativeView> QDeclarativeView *viewer = new QDeclarativeView; viewer->setSource(QUrl::fromLocalFile("qml/Example/main.qml")); viewer->setResizeMode(QDeclarativeView::SizeRootObjectToView); viewer->showMaximized();@ And in your main.qml, give some default size to your main item. If you don't specify any side to root item, the main window is not displayed at all. main.qml @ Item { height: 100; width: 100 // some default ....... } @ This is strange that showFullScreen() in QWidget ( I mean QDeclarativeView) does not work.
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  Qml, how to parse text to number
  • spode  

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  link @ http://doc.qt.nokia.com/4.7/qml-extending-types.html should help you on how to add functions and signal handlers to your qml code.
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  How to create two non-classical windows in qml?
  • spode  

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  You didn't call show on the view widget. And even then, you haven't set a QML file for it to load.
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  Loading/Unloading images
  • bundickt  

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  You can also use a Loader to dynamically load and unload large items. You may also want to use the 'cache' property on image: http://doc.qt.nokia.com/4.7-snapshot/qml-image.html#cache-prop . Try setting that to false.
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  Can I specify a default font to use when translation is not provided?
  • mbarclaygmail.com  

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  Sadly, setFont() doesn't seem to work for QML applications. I added a QApplication::setFont(QFont("Trebuchet MS")) and then did a read back of qDebug() << QApplication::font() to confirm Trebuchet was loaded. But still in my GUI, when I use a QML Text { font.family } for a non-latin Unicode font, my Latin text is still render in some non-Trebuchet font. Sounds like a bug? On Embedded, the only way I can find to force the fonts I need, is to point Qt at a font directory that has no fonts: @export QT_QWS_FONTDIR=/@ or @#ifdef Q_WS_QWS qputenv("QT_QWS_FONTDIR", "/"); #endif@ Then I can load the specific fonts I need using QFontDatabase or in QML with FontLoader {} In my application, I am careful not to load fonts with overlapping unicode regions. Seems to work so far... :)
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  Working on CrowdQuick and other topics during Qt Contributors' Summit, Berlin June 2011
  • sivang  

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