《C++ GUI Qt 4编程》第二版源代码

《C++ GUI Qt 4编程》（第二版）实例源代码，使用qt4进行图形用户界面应用程序开发的各个方面。

import com.trolltech.qt.core.*;
import com.trolltech.qt.gui.*;

public class FindDialog extends QDialog {
    public Signal2 findNext =
            new Signal2（）;

    public Signal2 findPrevious =
            new Signal2（）;

    public FindDialog（QWidget parent） {
        super（parent）;

        label = new QLabel（tr（“Find &what:“））;
        lineEdit = new QLineEdit（）;
        label.setBuddy（lineEdit）;

        caseCheckBox = new QCheckBox（tr（“Match &case“））;
        backwardCheckBox = new QCheckBox（tr（“Search &backward“））;

        findButton = new QPushButton（tr（“&Find“））;
        findButton.setDefault（true）;
        findButton.setEnabled（false）;

        closeButton = new QPushButton（tr（“Close“））;

        lineEdit.textChanged.connect（this “enableFindButton（String）“）;
        findButton.clicked.connect（this “findClicked（）“）;
        closeButton.clicked.connect（this “reject（）“）;

        QHBoxLayout topLeftLayout = new QHBoxLayout（）;
        topLeftLayout.addWidget（label）;
        topLeftLayout.addWidget（lineEdit）;

        QVBoxLayout leftLayout = new QVBoxLayout（）;
        leftLayout.addLayout（topLeftLayout）;
        leftLayout.addWidget（caseCheckBox）;
        leftLayout.addWidget（backwardCheckBox）;

        QVBoxLayout rightLayout = new QVBoxLayout（）;
        rightLayout.addWidget（findButton）;
        rightLayout.addWidget（closeButton）;
        rightLayout.addStretch（）;

        QHBoxLayout mainLayout = new QHBoxLayout（）;
        mainLayout.addLayout（leftLayout）;
        mainLayout.addLayout（rightLayout）;
        setLayout（mainLayout）;

        setWindowtitle（tr（“Jambi Find“））;
        setFixedHeight（sizeHint（）.height（））;
    }

    private void findClicked（） {
        String text = lineEdit.text（）;
        Qt.CaseSensitivity cs = caseCheckBox.isChecked（）
                ? Qt.CaseSensitivity.CaseSensitive
                : Qt.CaseSensitivity.CaseInsensitive;
        if （backwardCheckBox.isChecked（）） {
            findPrevious.emit（text cs）;
        } else {
            findNext.emit（text cs）;
        }
    }

    private void enableFindButton（String text） {
        findButton.setEnabled（text.length（） == 0）;
    }

    private QLabel label;
    private QLineEdit lineEdit;
    private QCheckBox caseCheckBox;
    private QCheckBox backwardCheckBox;
    private QPushButton findButton;
    private QPushButton closeButton;

    public static void main（String[] args） {
        QApplication.initialize（args）;
        FindDialog dialog = new FindDialog（null）;
        dialog.show（）;
        QApplication.exec（）;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2677  2008-01-09 08:43  src\appendixC\jambifind\FindDialog.java

     文件        910  2008-01-09 08:43  src\appendixC\jambigotocell\GoToCellDialog.java

     文件       2306  2008-01-09 08:43  src\appendixC\jambigotocell\GoToCellDialog.jui

     文件         50  2008-01-09 08:43  src\appendixC\jambiplotter1\jambiplotter.h

     文件       1121  2008-01-09 08:43  src\appendixC\jambiplotter1\JambiPlotter.java

     文件        515  2008-01-09 08:43  src\appendixC\jambiplotter1\jambiplotter.pro

     文件        400  2008-01-09 08:43  src\appendixC\jambiplotter1\jambiplotter.xml

     文件         50  2008-01-09 08:43  src\appendixC\jambiplotter2\jambiplotter.h

     文件       1101  2008-01-09 08:43  src\appendixC\jambiplotter2\JambiPlotter.java

     文件        500  2008-01-09 08:43  src\appendixC\jambiplotter2\jambiplotter.pro

     文件        898  2008-01-09 08:43  src\appendixC\jambiplotter2\jambiplotter.xml

     文件        936  2008-01-09 08:43  src\appendixC\plotter\images\zoomin.png

     文件        955  2008-01-09 08:43  src\appendixC\plotter\images\zoomout.png

     文件     759528  2008-01-09 08:43  src\appendixC\plotter\in1.txt

     文件       9747  2008-01-09 08:43  src\appendixC\plotter\plotter.cpp

     文件       1634  2008-01-09 08:43  src\appendixC\plotter\plotter.h

     文件        129  2008-01-09 08:43  src\appendixC\plotter\plotter.pro

     文件        134  2008-01-09 08:43  src\appendixC\plotter\plotter.qrc

     文件        818  2008-01-09 08:43  src\chap01\age\age.cpp

     文件         44  2008-01-09 08:43  src\chap01\age\age.pro

     文件        201  2008-01-09 08:43  src\chap01\hello\hello.cpp

     文件         46  2008-01-09 08:43  src\chap01\hello\hello.pro

     文件        303  2008-01-09 08:43  src\chap01\quit\quit.cpp

     文件         45  2008-01-09 08:43  src\chap01\quit\quit.pro

     文件        107  2008-01-09 08:43  src\chap02\find\find.pro

     文件       1926  2008-01-09 08:43  src\chap02\find\finddialog.cpp

     文件        640  2008-01-09 08:43  src\chap02\find\finddialog.h

     文件        205  2008-01-09 08:43  src\chap02\find\main.cpp

     文件         79  2008-01-09 08:43  src\chap02\gotocell1\gotocell1.pro

     文件       1806  2008-01-09 08:43  src\chap02\gotocell1\gotocelldialog.ui

............此处省略671个文件信息