QDockWidget ignoring sizeHint() after user resize
Hi! I’m trying to create a collapsible dock widget, by subclassing its content widget to override the sizeHint() method. It almost works, but when the dock widget gets resized by the user, the size...
View Articlelabel text overlap another label text when both the labels at the same position
Hi , i have created the QLabel on the container(QFrame) at a position. after that i have created the another container(QFrame) with the Qlabel at the same location. I found that the label text of first...
View Article(solved) Qt 5.2: Problem deploying sqlite database to my android device
Hi, i have problems deploying my sqlite database to an android device. i tryed to did it as described here. [qt-project.org] The database is located in a subdirectory called database/MyDatabase.db in...
View ArticleCheckProcessInRegistry: Got include list but no match was found.
Hi everyone, I have been getting this lately and it seems to have to have something to do with my not executing my app on my Android phone. Will execute on my PC: CheckProcessInRegistry: Got include...
View ArticleQtCreator extremely slow with many includepaths
I am building a project which uses PCL (point cloud library), VTK and boost. In Visual Studio everything is smooth but QtCreator becomes realy slow. Whenever I type something I wait several seconds for...
View ArticleCan't access QMediaMetaData::Size
Hey, I am trying to access media file size (ex. 3,7mb)… I read documentation and Duration and Size are accessed same way… I does work for Duration, but does not for size… Duration, which works… Did...
View ArticleQTableWidgetItem(or QTableWidget) memory leak problem,,,
Hi, everyone. While I was testing my QT application, I found that ‘memory usage’ of my application on ‘windows task manager’ is keep increasing and never goes down. I spend a few ours to find out what...
View Articledownload image
I am not able understand the example given on enginio website to download images stored on enginio It would be helpful if someone can help me with it
View ArticleAdding a QProgressbar makes my app cpu consumption pass from 0% to 75-80% of...
Hi, I’m adding a small QProgressbar to my app, but now I’m realizing that it is taking almost a core. I’ve read about some bugs related but I cant fix or workaround this issue. Any chances? -QT 4.8.4...
View ArticleAppearance difference
Possibly another beginner question: When I build the qml example ‘gallery’ on a windows machine, it looks like this: The look is the typical Windows look for me. However, if I create a own...
View ArticleWhich Qt version do I have installed? commercial or Opensource?
Hello everyone, I installed Qt 3 months ago and I don’t remenber which version I did installed on my laptop. Someone knows how to know the installed version please? Thanks in advance.
View ArticleQt5.2.1 at i.MX5 framebuffer problem
Hello together, I have searched the net for a while but I found no solution. I have a QML application which runs at a Phytex i.MX6 board and now this application should run at a i.MX51 board. I reuse...
View Articlecomplementing a qstring of variable length to a maxlength with spaces
I put this as a challenge. how to create a class derived from qstring that gets a string of variable length and complements it to a fixed length with spaces. I made an effort and I confess im desperate.
View Article[solved]Unable to assign fix height to TextArea in ColumnLayout
Unfortunately, I am not able to set the height of a TextArea in a ColumnLayout. The property height doesn’t seem to have any influence on the displayed height of the TextArea. Code snipped: import...
View ArticleQPainter: Problem with drawing trajectory of a planet
Hi! I’m a novice in Qt development, so sorry for asking dumb questions. I found some example in Qt that uses QPainter and altered it for my case. I tried to draw a trajectory of a planet which revolves...
View Article64 bit windows build fails
i have successfully build qt 4.8.5 64 bit on windows 64 but i am having trouble with building a qt based dll because many of the signals i have declared in my header file are not being resolved at link...
View ArticleQObject and QWidget classes, request for memeber is ambiguous
I have an abstract class that inherits QObject so it can use signals and slots. Then I have a derived class from it that also inherits QWidget. The abstract class is not meant to have any GUI so I...
View Article64 bit windows build fails
i have successfully built qt 4.8.5 64 bit on windows 7 but i am having trouble with building a qt based dll because many of the signals i have declared in my header file are not being resolved at link...
View ArticleHow to get Qt Creator to play nice with iTerm2
Running OSX 10.8.5 Qt Creator 3.0 Just started exploring Qt and Qt Creator, literally downloaded it for the first time today. When I start a New Project as ‘Qt Console Application’ and run the code,...
View ArticleDetecting javascript events in browser
Hi, I need to know is there any signals been emitted when a javascript event like navigation or keychange occurs in html page
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