qlineedit Questions
2
Solved
I have written a method that validate characters in the lineEdit:
def is_validate(self):
regex = QtCore.QRegExp("[a-z-A-Z_]+")
txtDepartment_validator = QtGui.QRegExpValidator(regex, self.txtDe...
4
Solved
In Qt, a created lineEdit shows a text using the setText() method.
But the cursor is movable for the default text. I want the cursor should not be movable for the default text.
My lineEdit type h...
Brahman asked 21/5, 2012 at 6:41
4
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I'm trying to change the background color of the QLineEdit and I can't figure it out at all.
I tried using stylesheets originally like this
QLineEdit *le = new QLineEdit();
le->setStyleSheet("...
Anticyclone asked 3/12, 2014 at 23:12
1
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QLineEdit has a signal QLineEdit::editingFinished that gets emitted when the user finished editing, for example by pressing enter. However if a validator or an input mask was set, then editingFinis...
Loosejointed asked 17/9, 2016 at 22:1
4
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I am having a qt question. I want the QLineEdit widget to have the focus at application startup. Take the following code for example:
#include <QtGui/QApplication>
#include <QtGui/QHBoxLa...
3
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I have a QLineEdit with an input mask, so that some kind of code can easily be entered (or pasted). Since you can place the cursor anywhere in the QLineEdit even if there is no text (because there ...
3
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2
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I am trying to achieve a borderless QLineEdit through CSS. It works fine when the QLineEdit is not in focus but when in focus the default blue border always comes up. The simple CSS I am using:
QL...
Manyplies asked 11/11, 2012 at 1:30
2
I'm trying my hand at writing a sudoku solver, what I am currently trying to achieve is the input of a sudoku into a grid of 9 by 9 QLineEdit fields.
The grid is constructed by using a grid of 9 Q...
1
Solved
Say I have 10 names in a QListWidget (which is hidden) and an a QLineEdit. Now if I type the letter "a" in the line Edit it should display a drop down of all those name in the list widget that begi...
Foulup asked 16/6, 2014 at 16:54
1
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I know that you can change the color of a line edit, so long as all the text is the same color, but is it possible to assign different colors to characters? That is, some characters are red, and so...
4
Solved
I'm using Qt 5.2 and I would like to make a QLineEdit not editable. The problem with this is, that it doesn't appear like it. When using setReadOnly(true) it stays with white background and looks l...
1
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I'm new to Qt. I'm trying to implement a really simple calculator program. Just trying to put a button, and when its clicked, i want it to print "Hello, World!" to the next lineEdit. It is working ...
Neon asked 14/5, 2014 at 18:9
1
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I want to be able to add a line of (grey) text that when you type in the line edit, goes away. So the text is not actually there, it is just displayed.
For example:
Before I type something, the g...
1
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How can I get the text margins for a QLineEdit?
Note the red lines in the screenshot, that's the margins I'm interested in:
I tried qDebug() << ui->lineEdit->textMargins(); for the ...
2
Solved
I have a bunch of QLineEdit boxes that I want to remove the borders from. Ideally I want to just do this with one line of code, rather than having to set no border for each QLineEdit box. I am tryi...
2
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I have a program with two windows, main and the settings.
When I run setText on a QLineEdit in the settings.py file, the new string is not in the GUI, and I can see the string before the setText co...
1
Solved
To bring the user's attention to the text field with an error (or if it is not filled) I colorize this QLineEdit) using:
red = "QWidget { background-color:#8B0000;}"
my_cool_QLineEdit.setStyleShee...
1
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Sometimes I need to make multiple copies of code with incrementing numbers.
In a form I'm coding, I need to make upwards of 12 checkboxes, each of which requires the following code:
self.checkBox...
Aircrewman asked 21/2, 2013 at 19:37
2
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I am attempting to reclaim some screen real estate in my application. I've got a search bar that is a basic QLineEdit and takes up space. In my menu bar, I easily have enough room to fit this searc...
2
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Is there a way to combine textChanged and editingFinished for QLineEdit? The problem is that editingFinished is emitted even if I only move the cursor away from QLineEdit without any changes. Where...
Smarm asked 29/8, 2012 at 16:8
1
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I have created for my plugin a start GUI with 3 buttons. This works very well and if I click on one of the buttons a specific action is started. So far this works. If I click on one of the buttons ...
Fonz asked 29/8, 2012 at 16:3
1
How can I make a QLineEdit suitable for entering passwords (i.e. it doesn't show what's entered), something like the follwing:
3
Solved
I want to be able to know if in the QLineEdit it was a click. So I guess I should reimplement the following function(??):
void QLineEdit::focusInEvent ( QFocusEvent * e ) [virtual protected]
How...
2
I'm styling a QLineEdit to have rounded borders for use as a search box. The rounding of the borders themselves were easy, but I can't figure out for the life of me how to round the highlighted por...
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