Implement iconic live previews/iconic thumbnail icons.

[ChangeLog][QWinThumbnailToolBar] Added pixmap properties
and change notifications for thumbnail icons and live
preview.

Task-number: QTBUG-36730
Change-Id: I31ad0ff347235bc7933c1c14dece359ec0c36b39
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>

4 files changed, 174 insertions, 2 deletions

diff --git a/tests/manual/manual.pro b/tests/manual/manual.pro
index 14a08ef..4ff3a0b 100644
--- a/tests/manual/manual.pro
+++ b/tests/manual/manual.pro
@@ -2,5 +2,6 @@ TEMPLATE = subdirs
 qtHaveModule(widgets) {
     SUBDIRS += \
         dwmfeatures \
-        jumplist
+        jumplist \
+        thumbnail
 }
diff --git a/tests/manual/quickthumbnail/main.qml b/tests/manual/quickthumbnail/main.qml
index b422564..a28744d 100644
--- a/tests/manual/quickthumbnail/main.qml
+++ b/tests/manual/quickthumbnail/main.qml
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the test suite of the Qt Toolkit.
@@ -55,6 +55,8 @@ ApplicationWindow {
 
     ThumbnailToolBar {
         id: toolBar
+        iconicThumbnailSource : "qrc:/qt-project.org/qmessagebox/images/qtlogo-64.png"
+        iconicLivePreviewSource : "qrc:/qt-project.org/qmessagebox/images/qtlogo-64.png"
 
         ThumbnailToolButton {
             tooltip: "Button #1"
diff --git a/tests/manual/thumbnail/main.cpp b/tests/manual/thumbnail/main.cpp
new file mode 100644
index 0000000..bfce7bb
--- /dev/null
+++ b/tests/manual/thumbnail/main.cpp
@@ -0,0 +1,165 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+ ** Contact: http://www.qt-project.org/legal
+ **
+ ** This file is part of the test suite of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** Commercial License Usage
+ ** Licensees holding valid commercial Qt licenses may use this file in
+ ** accordance with the commercial license agreement provided with the
+ ** Software or, alternatively, in accordance with the terms contained in
+ ** a written agreement between you and Digia.  For licensing terms and
+ ** conditions see http://qt.digia.com/licensing.  For further information
+ ** use the contact form at http://qt.digia.com/contact-us.
+ **
+ ** 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, Digia gives you certain additional
+ ** rights.  These rights are described in the Digia Qt LGPL Exception
+ ** version 1.1, 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.
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#include <QApplication>
+#include <QMainWindow>
+#include <QPlainTextEdit>
+#include <QMenuBar>
+#include <QMenu>
+#include <QAction>
+#include <QStyle>
+#include <QScreen>
+#include <QShortcut>
+#include <QPixmap>
+#include <QPainter>
+#include <QFontMetrics>
+#include <QtWinExtras>
+#include <QDebug>
+
+static QPixmap drawColoredPixmap(const QSize &size, const QColor &color,
+                                 const QString &text = QString())
+{
+    QPixmap result(size);
+    result.fill(color);
+    QPainter painter(&result);
+    painter.drawRect(QRect(QPoint(0, 0), size - QSize(1, 1)));
+    if (!text.isEmpty()) {
+        QFont font = painter.font();
+        font.setPointSize(20);
+        painter.setFont(font);
+        const QFontMetrics fontMetrics(font);
+        QRect boundingRect(fontMetrics.boundingRect(text));
+        const int x = (size.width() - boundingRect.width()) / 2;
+        const int y = size.height() - (size.height() - boundingRect.height()) / 2;
+        painter.drawText(x, y, text);
+    }
+    return result;
+}
+
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+public:
+    MainWindow();
+    void initThumbnailToolBar();
+
+public slots:
+    void testButtonClicked();
+    void updateIconicThumbnailPixmap();
+    void updateIconicLivePreviewPixmap();
+    void logText(const QString &text);
+
+private:
+    QWinThumbnailToolBar *m_thumbnailToolBar;
+    QPlainTextEdit *m_logEdit;
+};
+
+MainWindow::MainWindow()
+    : m_thumbnailToolBar(new QWinThumbnailToolBar(this))
+    , m_logEdit(new QPlainTextEdit)
+{
+    setMinimumWidth(400);
+    setWindowTitle(QStringLiteral("QWinThumbnailToolBar ") + QLatin1String(QT_VERSION_STR));
+    QMenu *fileMenu = menuBar()->addMenu("&File");
+    QAction *quitAction = fileMenu->addAction("&Quit");
+    quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
+    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    setCentralWidget(m_logEdit);
+}
+
+void MainWindow::initThumbnailToolBar()
+{
+    m_thumbnailToolBar->setWindow(windowHandle());
+    QWinThumbnailToolButton *testButton = new QWinThumbnailToolButton(m_thumbnailToolBar);
+    testButton->setToolTip("Test");
+    testButton->setIcon(style()->standardIcon(QStyle::SP_ComputerIcon));
+    connect(testButton, SIGNAL(clicked()), this, SLOT(testButtonClicked()));
+    m_thumbnailToolBar->addButton(testButton);
+    m_thumbnailToolBar->setIconicPixmapNotificationsEnabled(true);
+    connect(m_thumbnailToolBar, SIGNAL(iconicLivePreviewPixmapRequested()),
+            this, SLOT(updateIconicLivePreviewPixmap()));
+    connect(m_thumbnailToolBar, SIGNAL(iconicThumbnailPixmapRequested()),
+            this, SLOT(updateIconicThumbnailPixmap()));
+}
+
+void MainWindow::logText(const QString &text)
+{
+    m_logEdit->appendPlainText(text);
+    qDebug("%s", qPrintable(text));
+}
+
+void MainWindow::testButtonClicked()
+{
+    static int n = 1;
+    logText(QStringLiteral("Clicked #") + QString::number(n++));
+}
+
+void MainWindow::updateIconicThumbnailPixmap()
+{
+    static int n = 1;
+    const QString number = QString::number(n++);
+    logText(QLatin1String(__FUNCTION__) + QLatin1Char(' ') + number);
+    const QPixmap pixmap =
+        drawColoredPixmap(QSize(200, 50), Qt::yellow, QStringLiteral("ITP ") + number);
+    m_thumbnailToolBar->setIconicThumbnailPixmap(pixmap);
+}
+
+void MainWindow::updateIconicLivePreviewPixmap()
+{
+    static int n = 1;
+    const QString number = QString::number(n++);
+    logText(QLatin1String(__FUNCTION__) + QLatin1Char(' ') + number);
+    const QPixmap pixmap =
+        drawColoredPixmap(QSize(200, 50), Qt::red, QStringLiteral("ILP ") + number);
+    m_thumbnailToolBar->setIconicLivePreviewPixmap(pixmap);
+}
+
+int main(int argc, char* argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.move(QGuiApplication::primaryScreen()->availableGeometry().center()
+           - QPoint(w.width() / 2, w.height() / 2));
+    w.show();
+    w.initThumbnailToolBar();
+    return a.exec();
+}
+
+#include "main.moc"
diff --git a/tests/manual/thumbnail/thumbnail.pro b/tests/manual/thumbnail/thumbnail.pro
new file mode 100644
index 0000000..2259b9b
--- /dev/null
+++ b/tests/manual/thumbnail/thumbnail.pro
@@ -0,0 +1,4 @@
+TEMPLATE = app
+QT += widgets winextras
+CONFIG -= app_bundle
+SOURCES += main.cpp