I call QTreeWidgetItem::setToolTip() because the underlying data has changed. This works fine if the tooltip is triggered afterwards. However, if the ...
I call QTreeWidgetItem::setToolTip() because the underlying data has changed. This works fine if the tooltip is triggered afterwards. However, if the ...
I want to draw a QPushButton (clickable etc), but have it look like a QLabel. (Another way to see this is I want a clickable label, ie a label that be ...
I call singleshot in a button press callback, but my timeout slot never gets called, in the debugger my code gets to where i call the singleshot funct ...
I need to run the function asynchronously in a separate thread, I used QtConcurrent :: run everything was fine when I tested windows, but as soon as I ...
I am using Qt4.8 RHEL6.5. ui->le_config_0->setText("Today is Monday"); le_config_0 is a QLineEdit widget. In the debugger this is the line it ...
I have been following the blfs guide on KDE and I needed QT4 for one of the dependencies of "KDE-Baseapps". Running: After some time of compiling I ...
I have two objects which I wish to compare and display the differences of the values in the two objects. One is my reference object and another is my ...
I recently started to take over a QT4.8 project for embedded Linux. After using qmake and .pro file to generate Makefiles in the project, it could not ...
I'm using Qt 4.8.6 msvc 2010. I'm working on a software (this is done before Qt5, I'm supporting now). I have used a map: After I insert some data ...
I am using QT4.8 and I need to send an array to another device which includes some 0x00 values. However, QByteArray treats 0x00 value as of the end of ...
I am trying to download a xml file using url in QT 4.8. Here is my code for this:- My code enters in slot but I can't find created 12012.txt in /Fl ...
So I have a custom QAbstractItemModel that overrides the following functions: Is it necessary to override all of these in a custom QSortFilterProxy ...
I am trying to a draw text below a QPushButton (outside of the bounds of the button) whenever it gets focused. For this I have subclassed QPushButton ...
This question is closely related to QEventLoop: get time when an event was scheduled. Here I'm asking specifically about input events in contrast to " ...
I want to save two different files with the same name, each varrying only in the UpperCase and LowerCase. I am using windows. Is there a function in C ...
Update: Now I know, that the reason is 8-bit color in the system. But I still have no decision. The first dialog created with Xlib and the second one ...
I know, that's not a new question, but I didn't found the answer. I need a dialog with title, but without close button. And it should work on Linux wi ...
How to add Qt resources in GNU makefile? I want to add something like this: mystyle.qrc And it should be used as here: MyMain.cpp ...
I am debugging a closed source legacy application that uses Qt 4.8.6 The application developed a problem after an automatic update of Windows 10 When ...
I am trying to send signal across threads. For testing this situation, I wrote a test code. I am working on ubuntu 16.04 machine and qt version is 4. ...