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;
+}