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Recent Forum PostsThe QTableView uses QHeaderView instances to manage the horizontal and vertical column headers. You can use the QHeaderView::sectionResized() signal to get notification when a column in one table...
d_stranz Today, 02:32
You just replaced one mistake with another. The QwtPlot instance that you create on the stack in the MainWindow constructor is destroyed as soon as the constructor exits, so this code does...
d_stranz Today, 01:09
I have 2 QTableView widgets with the same number of columns in a QVBoxLayout such that one is on top of the other. When I change the width of a column ( via mouse drag ) in the top QTableView , I...
RallyTronics Yesterday, 23:53
In the night (!) I realised that I had a stupid mistake in my code - I needed pGraph to be the object, not the pointer. I modified the code (see attached mainwindow.cpp) but the result is the same -...
gib Yesterday, 23:07
I don't see anywhere in your MainWindow constructor where you actually create the QwtPlot instance. You declare a pointer to one as a local variable, don't initialize it, and then proceed to use it....
d_stranz Yesterday, 17:22
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Qwt 6.2-rc2
27th June 2021 12:46 by Uwe