qpushbutton | 易学教程

How to make a QPushButton pressable for enter key?

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I want to make my app laptop friendly. I can tab to everywhere, but if I tab to a QPushButton I can't press it with Enter , only with space . What's the problem? How to make it pressable for Enter ? totymedli tl;dr In the Qt Creator's UI view, select the button you want to make pressable for Enter . In the right side at the Property Editor scroll down to the blue part titled QPushButton . Check the checkbox by autoDefault or default . Most of the cases the main different between autoDefault and default is how the button will be rendered. But there are cases where it can cause unexpected things

How to do - QToolButton inside the QlineEdit : Qt5

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问题 I want to add QToolButton inside the QLineEdit . I want to clear the text of QLineEdit control on that button click. For example how in google image: I have looked : This StackOverflow article But still not solved my issue. Thanks in Advance. 回答1: This behaviour is available as a direct property to QLineEdit since Qt 5.2 : https://qt-project.org/doc/qt-5/qlineedit.html#clearButtonEnabled-prop QLineEdit *edit = new QLineEdit(this); edit->setClearButtonEnabled(true); You can add a custom

How to override just one property:value pair in Qt StyleSheet

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问题 I am writing newbie Qt5 code on OSX Mavericks and would like to override just one property:value pair of the StyleSheet for a given widget. If I run the following self-contained demonstration code: #include <QApplication> #include <QMainWindow> #include <QtGui> #include <QPushButton> int main( int argc, char *argv[] ) { QApplication app( argc, argv ); QMainWindow* mw = new QMainWindow(); QPushButton* AButton = new QPushButton( "A Button", mw ); mw->show(); return app.exec(); } I get a nice

Qt5 - setting background color to QPushButton and QCheckBox

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问题 I'm trying to change the background color of a QAbstractButton (either a QPushButton or QCheckBox) in Qt5 and having zero luck. This does nothing: pButton->setAutoFillBackground(true); QPalette palette = pButton->palette(); palette.setColor(QPalette::Window, QColor(Qt::blue)); pButton->setPalette(palette); pButton->show(); and if I try changing the style sheet: pButton->setStyleSheet("background-color: rgb(255,255,0);"); then Qt throws up its hands and draws an afwul-looking blocky button.

How to make a QPushButton pressable for enter key?

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问题 I want to make my app laptop friendly. I can tab to everywhere, but if I tab to a QPushButton I can't press it with Enter , only with space . What's the problem? How to make it pressable for Enter ? 回答1: tl;dr In the Qt Creator's UI view, select the button you want to make pressable for Enter . In the right side at the Property Editor scroll down to the blue part titled QPushButton . Check the checkbox by autoDefault or default . Most of the cases the main different between autoDefault and

PyQt5 button lambda variable becomes boolean [duplicate]

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问题 This question already has an answer here : Capture variable from for-loop for using later in QPushButton [duplicate] (1 answer) Closed 2 years ago . When I run the code below, it shows the below. Why isn't x 'x' but becomes a boolean? This happens only to the first argument passed into the function called with lambda. false y /home/me/model/some_file from PyQt5.QtWidgets import QPushButton modelpath = '/home/me/model' filelist = os.listdir(modelpath) x = 'x' y = 'y' def HelloWidget(QWidget):