Long live Qt!

9 files changed, 357 insertions, 0 deletions

diff --git a/demos/interview/README b/demos/interview/README
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+++ b/demos/interview/README
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+The interview example shows the same model and selection being shared
+between three different views.
diff --git a/demos/interview/images/folder.png b/demos/interview/images/folder.png
new file mode 100644
index 0000000..589fd2d
--- /dev/null
+++ b/demos/interview/images/folder.png
diff --git a/demos/interview/images/interview.png b/demos/interview/images/interview.png
new file mode 100644
index 0000000..0c3d690
--- /dev/null
+++ b/demos/interview/images/interview.png
diff --git a/demos/interview/images/services.png b/demos/interview/images/services.png
new file mode 100644
index 0000000..6b2ad96
--- /dev/null
+++ b/demos/interview/images/services.png
diff --git a/demos/interview/interview.pro b/demos/interview/interview.pro
new file mode 100644
index 0000000..c013755
--- /dev/null
+++ b/demos/interview/interview.pro
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+TEMPLATE = app
+
+CONFIG += qt warn_on
+HEADERS += model.h
+SOURCES += model.cpp main.cpp
+RESOURCES += interview.qrc
+
+build_all:!build_pass {
+    CONFIG -= build_all
+    CONFIG += release
+}
+
+# install
+target.path = $$[QT_INSTALL_DEMOS]/interview
+sources.files = $$SOURCES $$HEADERS $$RESOURCES README *.pro images
+sources.path = $$[QT_INSTALL_DEMOS]/interview
+INSTALLS += target sources
+
diff --git a/demos/interview/interview.qrc b/demos/interview/interview.qrc
new file mode 100644
index 0000000..b28ea34
--- /dev/null
+++ b/demos/interview/interview.qrc
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+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/">
+	<file>images/folder.png</file>
+	<file>images/services.png</file>
+	<file>images/interview.png</file>
+</qresource>
+</RCC>
diff --git a/demos/interview/main.cpp b/demos/interview/main.cpp
new file mode 100644
index 0000000..9682322
--- /dev/null
+++ b/demos/interview/main.cpp
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "model.h"
+
+#include <QApplication>
+#include <QTableView>
+#include <QTreeView>
+#include <QListView>
+#include <QSplitter>
+#include <QHeaderView>
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(interview);
+
+    QApplication app(argc, argv);
+    QSplitter page;
+
+    QAbstractItemModel *data = new Model(1000, 10, &page);
+    QItemSelectionModel *selections = new QItemSelectionModel(data);
+
+    QTableView *table = new QTableView;
+    table->setModel(data);
+    table->setSelectionModel(selections);
+    table->horizontalHeader()->setMovable(true);
+    table->verticalHeader()->setMovable(true);
+    // Set StaticContents to enable minimal repaints on resizes.
+    table->viewport()->setAttribute(Qt::WA_StaticContents);
+    page.addWidget(table);
+
+    QTreeView *tree = new QTreeView;
+    tree->setModel(data);
+    tree->setSelectionModel(selections);
+    tree->setUniformRowHeights(true);
+    tree->header()->setStretchLastSection(false);
+    tree->viewport()->setAttribute(Qt::WA_StaticContents);
+    // Disable the focus rect to get minimal repaints when scrolling on Mac.
+    tree->setAttribute(Qt::WA_MacShowFocusRect, false);
+    page.addWidget(tree);
+
+    QListView *list = new QListView;
+    list->setModel(data);
+    list->setSelectionModel(selections);
+    list->setViewMode(QListView::IconMode);
+    list->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    list->setAlternatingRowColors(false);
+    list->viewport()->setAttribute(Qt::WA_StaticContents);
+    list->setAttribute(Qt::WA_MacShowFocusRect, false);
+    page.addWidget(list);
+
+    page.setWindowIcon(QPixmap(":/images/interview.png"));
+    page.setWindowTitle("Interview");
+    page.show();
+
+    return app.exec();
+}
diff --git a/demos/interview/model.cpp b/demos/interview/model.cpp
new file mode 100644
index 0000000..1d5040c
--- /dev/null
+++ b/demos/interview/model.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "model.h"
+#include <QIcon>
+#include <QPixmap>
+
+Model::Model(int rows, int columns, QObject *parent)
+    : QAbstractItemModel(parent),
+      rc(rows), cc(columns),
+      tree(new QVector<Node>(rows, Node(0)))
+{
+
+}
+
+Model::~Model()
+{
+    delete tree;
+}
+
+QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
+{
+    if (row < rc && row >= 0 && column < cc && column >= 0) {
+        Node *p = static_cast<Node*>(parent.internalPointer());
+        Node *n = node(row, p);
+	if (n)
+	    return createIndex(row, column, n);
+    }
+    return QModelIndex();
+}
+
+QModelIndex Model::parent(const QModelIndex &child) const
+{
+    if (child.isValid()) {
+        Node *n = static_cast<Node*>(child.internalPointer());
+        Node *p = parent(n);
+        if (p)
+            return createIndex(row(p), 0, p);
+    }
+    return QModelIndex();
+}
+
+int Model::rowCount(const QModelIndex &parent) const
+{
+    return (parent.isValid() && parent.column() != 0) ? 0 : rc;
+}
+
+int Model::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return cc;
+}
+
+QVariant Model::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+    if (role == Qt::DisplayRole)
+	return "Item " + QString::number(index.row()) + ":" + QString::number(index.column());
+    if (role == Qt::DecorationRole) {
+        if (index.column() == 0)
+            return iconProvider.icon(QFileIconProvider::Folder);
+        return iconProvider.icon(QFileIconProvider::File);
+    }
+    return QVariant();
+}
+
+QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    static QIcon services(QPixmap(":/images/services.png"));
+    if (role == Qt::DisplayRole)
+        return QString::number(section);
+    if (role == Qt::DecorationRole)
+        return qVariantFromValue(services);
+    return QAbstractItemModel::headerData(section, orientation, role);
+}
+
+bool Model::hasChildren(const QModelIndex &parent) const
+{
+    if (parent.isValid() && parent.column() != 0)
+        return false;
+    return rc > 0 && cc > 0;
+}
+
+Qt::ItemFlags Model::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return 0;
+    return (Qt::ItemIsDragEnabled|Qt::ItemIsSelectable|Qt::ItemIsEnabled);
+}
+
+Model::Node *Model::node(int row, Node *parent) const
+{
+    if (parent && !parent->children)
+	parent->children = new QVector<Node>(rc, Node(parent));
+    QVector<Node> *v = parent ? parent->children : tree;
+    return const_cast<Node*>(&(v->at(row)));
+}
+
+Model::Node *Model::parent(Node *child) const
+{
+    return child ? child->parent : 0;
+}
+
+int Model::row(Node *node) const
+{
+     const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0));
+     return (node - first);
+}
diff --git a/demos/interview/model.h b/demos/interview/model.h
new file mode 100644
index 0000000..96e6aea
--- /dev/null
+++ b/demos/interview/model.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include <QAbstractItemModel>
+#include <QFileIconProvider>
+#include <QVector>
+
+class Model : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    Model(int rows, int columns, QObject *parent = 0);
+    ~Model();
+
+    QModelIndex index(int row, int column, const QModelIndex &parent) const;
+    QModelIndex parent(const QModelIndex &child) const;
+
+    int rowCount(const QModelIndex &parent) const;
+    int columnCount(const QModelIndex &parent) const;
+
+    QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+
+    bool hasChildren(const QModelIndex &parent) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+
+private:
+
+    struct Node
+    {
+	Node(Node *parent = 0) : parent(parent), children(0) {}
+	~Node() { delete children; }
+	Node *parent;
+	QVector<Node> *children;
+    };
+
+    Node *node(int row, Node *parent) const;
+    Node *parent(Node *child) const;
+    int row(Node *node) const;
+
+    int rc, cc;
+    QVector<Node> *tree;
+    QFileIconProvider iconProvider;
+};
+
+#endif