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module dialog;


import qt.gui.QDialogButtonBox;
import qt.gui.QGroupBox;
import qt.gui.QLabel;
import qt.gui.QLineEdit;
import qt.gui.QMenuBar;
import qt.gui.QPushButton;
import qt.gui.QTextEdit;
import qt.gui.QDialog;
import qt.gui.QVBoxLayout;
import qt.gui.QHBoxLayout;
import qt.gui.QGridLayout;
import qt.gui.QFormLayout;
import qt.gui.QComboBox;
import qt.gui.QSpinBox;

version(Tango)
    import tango.text.convert.Format: format = Format;
else
    import std.string;

class Dialog : public QDialog
{
    this()
    {
        createMenu();
        createHorizontalGroupBox();
        createGridGroupBox();
        createFormGroupBox();

        bigEditor = new QTextEdit;
        bigEditor.setPlainText(tr("This widget takes up all the remaining space in the top-level layout."));

        buttonBox = new QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel);

        buttonBox.accepted.connect(&this.accept);
        buttonBox.rejected.connect(&this.reject);

        QVBoxLayout mainLayout = new QVBoxLayout;

        mainLayout.setMenuBar(menuBar);

        mainLayout.addWidget(horizontalGroupBox);
        mainLayout.addWidget(gridGroupBox);
        mainLayout.addWidget(formGroupBox);
        mainLayout.addWidget(bigEditor);
        mainLayout.addWidget(buttonBox);

        setLayout(mainLayout);

        setWindowTitle(tr("Basic Layouts"));
    }

    void createMenu()
    {
        menuBar = new QMenuBar;

        fileMenu = new QMenu(tr("&File"), this);
        exitAction = fileMenu.addAction(tr("E&xit"));
        menuBar.addMenu(fileMenu);

        exitAction.triggered.connect(&this.accept);
    }

    void createHorizontalGroupBox()
    {
        horizontalGroupBox = new QGroupBox(tr("Horizontal layout"));
        QHBoxLayout layout = new QHBoxLayout;

        for (int i = 0; i < NumButtons; ++i) {
	    version(Tango)
		const string str = tr("Button {}:");
	    else
		const string str = tr("Button %s:");
            buttons[i] = new QPushButton(format(str, i + 1));
            layout.addWidget(buttons[i]);
        }
        horizontalGroupBox.setLayout(layout);
    }

    void createGridGroupBox()
    {
        gridGroupBox = new QGroupBox(tr("Grid layout"));
        QGridLayout layout = new QGridLayout;

        for (int i = 0; i < NumGridRows; ++i) {
	    version(Tango)
		const string str = tr("Line {}:");
	    else
		const string str = tr("Line %s:");
            labels[i] = new QLabel(format(str, i + 1));
            lineEdits[i] = new QLineEdit;
            layout.addWidget(labels[i], i + 1, 0);
            layout.addWidget(lineEdits[i], i + 1, 1);
        }

        smallEditor = new QTextEdit;
        smallEditor.setPlainText(tr("This widget takes up about two thirds of the grid layout."));
        layout.addWidget(smallEditor, 0, 2, 4, 1);

        layout.setColumnStretch(1, 10);
        layout.setColumnStretch(2, 20);
        gridGroupBox.setLayout(layout);
    }

    void createFormGroupBox()
    {
        formGroupBox = new QGroupBox(tr("Form layout"));
        QFormLayout layout = new QFormLayout;
        layout.addRow(new QLabel(tr("Line 1:")), new QLineEdit);
        layout.addRow(new QLabel(tr("Line 2, long text:")), new QComboBox);
        layout.addRow(new QLabel(tr("Line 3:")), new QSpinBox);
        formGroupBox.setLayout(layout);
    }

    enum { NumGridRows = 3, NumButtons = 4 };

    QMenuBar menuBar;
    QGroupBox horizontalGroupBox;
    QGroupBox gridGroupBox;
    QGroupBox formGroupBox;
    QTextEdit smallEditor;
    QTextEdit bigEditor;
    QLabel[NumGridRows] labels;
    QLineEdit[NumGridRows] lineEdits;
    QPushButton[NumButtons] buttons;
    QDialogButtonBox buttonBox;

    QMenu fileMenu;
    QAction exitAction;
}