How to bind a QString variable and lineEdit?
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I have many QString variables which I'm displaying in the UI lineEdits by ui->lineEdit->setText(var1) function.When the user changes the value in the lineEdit corresponding QString variable should also update.I DONT want lineEdits to send signals,instead I want bind each variable with its corresponding lineEdit i.e when either of them change other should change.Is it possible?
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Hi
No, its not possible.
Signal and slots are how it works.
You cannot bind a variable to lineEdit as such.Why dont you want to use signals ? its how widgets are designed to work. :)
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I have some 100s of lineEdits in Multiple Stackedwidget pages.I dont want to apply signals and slots to all of them.
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I have some 100s of lineEdits in Multiple Stackedwidget pages.I dont want to apply signals and slots to all of them.
@kishore_hemmady
But without TextChanged signal or similar, how can you know text have been changed ? -
I have some 100s of lineEdits in Multiple Stackedwidget pages.I dont want to apply signals and slots to all of them.
@kishore_hemmady
You have to use signals/slots. Write some code to encapsulate the signal/slot linkage between lineEdit & variable generically, then set them up dynamically if you don't want to type in all the links manually.
