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【QT】C++ GUI Qt4 学习笔记2

作者: 五速梦信息网
时间: 2026年04月04日 13:55

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														 匡子语															
														 2024-10-26 02:30:00 

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									<pre>#ifndef GOTOCELLDIALOG_H<br/>

#define GOTOCELLDIALOG_H #include <QDialog>
#include “ui_gotocelldialog.h” class GoToCellDialog : public QDialog, public Ui::GoToCellDialog
{

Q_OBJECT<br/>

public:

GoToCellDialog(QWidget *parent = );<br/>

private slots:

void on_lineEdit_textChanged();<br/>

}; #endif // GOTOCELLDIALOG_H

#include &lt;QtGui&gt;
#include “gotocelldialog.h”
GoToCellDialog::GoToCellDialog(QWidget *parent):QDialog(parent)

{


setupUi(this);<br/>
QRegExp regExp(&#34;[A-Za-z][1-9][0-9]{0,2}&#34;);<br/>
lineEdit-&gt;setValidator(new QRegExpValidator(regExp, this));


connect(okButton, SIGNAL(clicked()),this, SLOT(accept()));


connect(cancelButton, SIGNAL(clicked()),this,SLOT(reject()));<br/>


}
void GoToCellDialog::on_lineEdit_textChanged()

{


okButton-&gt;setEnabled(lineEdit-&gt;hasAcceptableInput());<br/>


}

#include &lt;QApplication&gt;

#include “gotocelldialog.h”
int main(int argc, char *argv[])

{


QApplication a(argc, argv);<br/>
GoToCellDialog *dialog = new GoToCellDialog;<br/>
dialog-&gt;show();


return a.exec();

}

#ifndef SORTDIALOG_H

#define SORTDIALOG_H
#include &lt;QDialog&gt;

#include &lt;ui_sortdialog.h&gt;
class SortDialog: public QDialog, public Ui::SortDialog

{


Q_OBJECT<br/>


public:


SortDialog(QWidget *parent = );<br/>
void setColumnRange(QChar first, QChar last);<br/>


};
#endif // SORTDIALOG_H

#include &lt;QtGui&gt;

#include “sortdialog.h”
SortDialog::SortDialog(QWidget *parent):QDialog(parent)

{


setupUi(this);<br/>
secondaryGroupBox-&gt;hide();<br/>
tertiaryGroupBox-&gt;hide();<br/>
layout()-&gt;setSizeConstraint(QLayout::SetFixedSize);


setColumnRange(‘A’,‘Z’);

}
void SortDialog::setColumnRange(QChar first, QChar last)

{


primaryColumnCombo-&gt;clear();<br/>
secondaryColumnCombo-&gt;clear();<br/>
tertiaryColumnCombo-&gt;clear();


secondaryColumnCombo-&gt;addItem(tr(“None”));


tertiaryColumnCombo-&gt;addItem(tr(&#34;None&#34;));<br/>
primaryColumnCombo-&gt;setMinimumSize(secondaryColumnCombo-&gt;sizeHint());


QChar ch = first;


while(ch &lt;= last)<br/>
{<br/>
    primaryColumnCombo-&gt;addItem(QString(ch));<br/>
    secondaryColumnCombo-&gt;addItem(QString(ch));<br/>
    tertiaryColumnCombo-&gt;addItem(QString(ch));<br/>
    ch = ch.unicode() + ;<br/>
}<br/>


}

#include &lt;QApplication&gt;

#include “sortdialog.h”
int main(int argc, char *argv[])

{


QApplication app(argc, argv);<br/>
SortDialog *dialog = new SortDialog;<br/>
dialog-&gt;setColumnRange(&#39;C&#39;,&#39;F&#39;);<br/>
dialog-&gt;show();


return app.exec();

}