Mercurial > projects > qtd
diff examples/draganddrop/dropsite/dropsitewindow.d @ 19:d54443f1ce1e
add dropsite example
author | mandel |
---|---|
date | Thu, 14 May 2009 18:20:24 +0000 |
parents | |
children | e747af2e6b46 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/draganddrop/dropsite/dropsitewindow.d Thu May 14 18:20:24 2009 +0000 @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +module dropsitewindow; + +import tango.text.Util; +import tango.text.Ascii; +import tango.text.convert.Format; + +import qt.gui.QWidget; +import qt.gui.QLabel; +import qt.gui.QTableWidget; +import qt.gui.QPushButton; +import qt.gui.QVBoxLayout; +import qt.gui.QDialogButtonBox; + +import droparea; + + +class DropSiteWindow : public QWidget +{ +public: + + this() + { + abstractLabel = new QLabel(tr("This example accepts drags from other " + "applications and displays the MIME types " + "provided by the drag object.")); + + abstractLabel.setWordWrap(true); + abstractLabel.adjustSize(); + + dropArea = new DropArea; + dropArea.changed.connect(&updateFormatsTable); + + char[][] labels; + labels ~= tr("Format"); + labels ~= tr("Content"); + + formatsTable = new QTableWidget; + formatsTable.setColumnCount(2); + formatsTable.setEditTriggers(QAbstractItemView.NoEditTriggers); + formatsTable.setHorizontalHeaderLabels(labels); + formatsTable.horizontalHeader().setStretchLastSection(true); + + clearButton = new QPushButton(tr("Clear")); + quitButton = new QPushButton(tr("Quit")); + + buttonBox = new QDialogButtonBox; + buttonBox.addButton(clearButton, QDialogButtonBox.ActionRole); + buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole); + + quitButton.pressed.connect(&close); + clearButton.pressed.connect(&dropArea.clearArea); + + QVBoxLayout mainLayout = new QVBoxLayout; + mainLayout.addWidget(abstractLabel); + mainLayout.addWidget(dropArea); + mainLayout.addWidget(formatsTable); + mainLayout.addWidget(buttonBox); + setLayout(mainLayout); + + setWindowTitle(tr("Drop Site")); + setMinimumSize(350, 500); + } + + void updateFormatsTable(QMimeData mimeData) + { + formatsTable.setRowCount(0); + if (!mimeData) + return; + + foreach (char[] format; mimeData.formats()) { + QTableWidgetItem formatItem = new QTableWidgetItem(format); + formatItem.setFlags(Qt.ItemIsEnabled); + formatItem.setTextAlignment(Qt.AlignTop | Qt.AlignLeft); + + char[] text; + if (format == "text/plain") { + text = trim(mimeData.text()); + } else if (format == "text/html") { + text = trim(mimeData.html()); + } else if (format == "text/uri-list") { + QUrl[] urlList = mimeData.urls(); + for (int i = 0; i < urlList.length && i < 32; ++i) { + char[] url = urlList[i].path(); + text ~= url ~ " "; + } + } else { + QByteArray data = mimeData.data(format); + for (int i = 0; i < data.size() && i < 32; ++i) { + char[] hex = toUpper(Format("{0:x}", data.at(i))); + text ~= hex ~ " "; + } + } + + int row = formatsTable.rowCount(); + formatsTable.insertRow(row); + formatsTable.setItem(row, 0, new QTableWidgetItem(format)); + formatsTable.setItem(row, 1, new QTableWidgetItem(text)); + } + + formatsTable.resizeColumnToContents(0); + } + +private: + + DropArea dropArea; + QLabel abstractLabel; + QTableWidget formatsTable; + + QPushButton clearButton; + QPushButton quitButton; + QDialogButtonBox buttonBox; +}