Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>Like I said in the other post this should work for you:</p> <p>main.cpp</p> <pre><code>#include &lt;QApplication&gt; #include "mywidget.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); MyWidget widget; widget.show(); return app.exec(); } </code></pre> <p>mywidget.h</p> <pre><code> #ifndef MYWIDGET_H #define MYWIDGET_H #include &lt;QWidget&gt; #include &lt;QObject&gt; include &lt;QPushButton&gt; #include &lt;QSlider&gt; class MyWidget : public QWidget { Q_OBJECT public: MyWidget(QWidget *parent = 0); ~MyWidget(){}; public slots: void getSliderValueAndQuit(); private: QPushButton *quit; QSlider *slider; }; #endif // MYWIDGET_H </code></pre> <p>myWidget.cpp</p> <pre><code> #include "mywidget.h" #include &lt;QWidget&gt; #include &lt;QObject&gt; #include &lt;QApplication&gt; #include &lt;QFont&gt; #include &lt;QLCDNumber&gt; #include &lt;QPushButton&gt; #include &lt;QSlider&gt; #include &lt;QVBoxLayout&gt; MyWidget::MyWidget(QWidget *parent) : QWidget(parent) { quit = new QPushButton(tr("Quit")); quit-&gt;setFont(QFont("Times", 18, QFont::Bold)); QLCDNumber *lcd = new QLCDNumber(3); lcd-&gt;setSegmentStyle(QLCDNumber::Flat); slider = new QSlider(Qt::Horizontal); slider-&gt;setRange(0, 999); slider-&gt;setValue(0); connect(quit, SIGNAL(clicked()), qApp, SLOT(quit())); connect(slider, SIGNAL(valueChanged(int)),lcd, SLOT(display(int))); connect(slider,SIGNAL(sliderReleased()), SLOT(getSliderValueAndQuit())); QVBoxLayout *layout = new QVBoxLayout; layout-&gt;addWidget(quit); layout-&gt;addWidget(lcd); layout-&gt;addWidget(slider); setLayout(layout); } void MyWidget::getSliderValueAndQuit(){ if(slider-&gt;value() == slider-&gt;maximum()) close(); } </code></pre>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

Querying!

 
Guidance

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload