QSystemTrayIcon: put WinCE specific code into qsystemtrayicon_wince.cpp

The desktop Windows and Windows CE code paths diverged too much.
Splitting it up now and making it work on WinCE again.

Task-number: QTBUG-4828
Reviewed-by: mauricek

1 files changed, 299 insertions, 0 deletions

diff --git a/src/gui/util/qsystemtrayicon_wince.cpp b/src/gui/util/qsystemtrayicon_wince.cpp
new file mode 100644
index 0000000..b74420d
--- /dev/null
+++ b/src/gui/util/qsystemtrayicon_wince.cpp
@@ -0,0 +1,299 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsystemtrayicon_p.h"
+#ifndef QT_NO_SYSTEMTRAYICON
+#define _WIN32_IE 0x0600 //required for NOTIFYICONDATA_V2_SIZE
+
+#include <qt_windows.h>
+#include <shlwapi.h>
+#include <QApplication>
+
+QT_BEGIN_NAMESPACE
+
+static const UINT q_uNOTIFYICONID = 13;     // IDs from 0 to 12 are reserved on WinCE.
+#define MYWM_NOTIFYICON (WM_APP+101)
+
+struct Q_NOTIFYICONIDENTIFIER {
+    DWORD cbSize;
+    HWND hWnd;
+    UINT uID;
+    GUID guidItem;
+};
+
+class QSystemTrayIconSys : QWidget
+{
+public:
+    QSystemTrayIconSys(QSystemTrayIcon *object);
+    ~QSystemTrayIconSys();
+    bool winEvent( MSG *m, long *result );
+    bool trayMessage(DWORD msg);
+    void setIconContents(NOTIFYICONDATA &data);
+    void createIcon();
+    QRect findTrayGeometry();
+    HICON hIcon;
+    QPoint globalPos;
+    QSystemTrayIcon *q;
+private:
+    uint notifyIconSize;
+    int maxTipLength;
+    bool ignoreNextMouseRelease;
+};
+
+QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
+    : hIcon(0), q(object), ignoreNextMouseRelease(false)
+
+{
+    notifyIconSize = FIELD_OFFSET(NOTIFYICONDATA, szTip[64]); // NOTIFYICONDATAW_V1_SIZE;
+    maxTipLength = 64;
+}
+
+QSystemTrayIconSys::~QSystemTrayIconSys()
+{
+    if (hIcon)
+        DestroyIcon(hIcon);
+}
+
+QRect QSystemTrayIconSys::findTrayGeometry()
+{
+    // Use lower right corner as fallback
+    QPoint brCorner = qApp->desktop()->screenGeometry().bottomRight();
+    QRect ret(brCorner.x() - 10, brCorner.y() - 10, 10, 10);
+    return ret;
+}
+
+void QSystemTrayIconSys::setIconContents(NOTIFYICONDATA &tnd)
+{
+    tnd.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
+    tnd.uCallbackMessage = MYWM_NOTIFYICON;
+    tnd.hIcon = hIcon;
+    QString tip = q->toolTip();
+
+    if (!tip.isNull()) {
+        tip = tip.left(maxTipLength - 1) + QChar();
+        memcpy(tnd.szTip, tip.utf16(), qMin(tip.length() + 1, maxTipLength) * sizeof(wchar_t));
+    }
+}
+
+bool QSystemTrayIconSys::trayMessage(DWORD msg)
+{
+    NOTIFYICONDATA tnd;
+    memset(&tnd, 0, notifyIconSize);
+    tnd.uID = q_uNOTIFYICONID;
+    tnd.cbSize = notifyIconSize;
+    tnd.hWnd = winId();
+
+    Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+
+    if (msg != NIM_DELETE) {
+        setIconContents(tnd);
+    }
+
+    return Shell_NotifyIcon(msg, &tnd);
+}
+
+void QSystemTrayIconSys::createIcon()
+{
+    hIcon = 0;
+    QIcon icon = q->icon();
+    if (icon.isNull())
+        return;
+
+    //const QSize preferredSize(GetSystemMetrics(SM_CXSMICON) * 2, GetSystemMetrics(SM_CYSMICON) * 2);
+    const QSize preferredSize(GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON));
+    QPixmap pm = icon.pixmap(preferredSize);
+    if (pm.isNull())
+        return;
+
+    hIcon = pm.toWinHICON();
+}
+
+bool QSystemTrayIconSys::winEvent( MSG *m, long *result )
+{
+    switch(m->message) {
+    case WM_CREATE:
+        SetWindowLong(winId(), GWL_USERDATA, (LONG)((CREATESTRUCTW*)m->lParam)->lpCreateParams);
+        break;
+
+    case MYWM_NOTIFYICON:
+        {
+            RECT r;
+            GetWindowRect(winId(), &r);
+            QEvent *e = 0;
+            Qt::KeyboardModifiers keys = QApplication::keyboardModifiers();
+            QPoint gpos = QCursor::pos();
+
+            switch (m->lParam) {
+            case WM_LBUTTONUP:
+                if (ignoreNextMouseRelease)
+                    ignoreNextMouseRelease = false;
+                else
+                    emit q->activated(QSystemTrayIcon::Trigger);
+                break;
+
+            case WM_LBUTTONDBLCLK:
+                ignoreNextMouseRelease = true; // Since DBLCLICK Generates a second mouse 
+                                               // release we must ignore it
+                emit q->activated(QSystemTrayIcon::DoubleClick);
+                break;
+
+            case WM_RBUTTONUP:
+                if (q->contextMenu()) {
+                    q->contextMenu()->popup(gpos);
+
+                    // We must ensure that the popup menu doesn't show up behind the task bar.
+                    QRect desktopRect = qApp->desktop()->availableGeometry();
+                    int maxY = desktopRect.y() + desktopRect.height() - q->contextMenu()->height();
+                    if (gpos.y() > maxY) {
+                        gpos.ry() = maxY;
+                        q->contextMenu()->move(gpos);
+                    }
+
+                    q->contextMenu()->activateWindow();
+                    //Must be activated for proper keyboardfocus and menu closing on windows:
+                }
+                emit q->activated(QSystemTrayIcon::Context);
+                break;
+
+            case WM_MBUTTONUP:
+                emit q->activated(QSystemTrayIcon::MiddleClick);
+                break;
+            default:
+                break;
+            }
+            if (e) {
+                bool res = QApplication::sendEvent(q, e);
+                delete e;
+                return res;
+            }
+            break;
+        }
+    default:
+        return QWidget::winEvent(m, result);
+    }
+    return 0;
+}
+
+void QSystemTrayIconPrivate::install_sys()
+{
+    Q_Q(QSystemTrayIcon);
+    if (!sys) {
+        sys = new QSystemTrayIconSys(q);
+        sys->createIcon();
+        sys->trayMessage(NIM_ADD);
+    }
+}
+
+void QSystemTrayIconPrivate::showMessage_sys(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, int timeOut)
+{
+    if (!sys)
+        return;
+
+    uint uSecs = 0;
+    if ( timeOut < 0)
+        uSecs = 10000; //10 sec default
+    else uSecs = (int)timeOut;
+
+    //message is limited to 255 chars + NULL
+    QString messageString;
+    if (message.isEmpty() && !title.isEmpty())
+        messageString = QLatin1Char(' '); //ensures that the message shows when only title is set
+    else
+        messageString = message.left(255) + QChar();
+
+    //title is limited to 63 chars + NULL
+    QString titleString = title.left(63) + QChar();
+
+    //show QBalloonTip
+    QRect trayRect = sys->findTrayGeometry();
+    QBalloonTip::showBalloon(type, title, message, sys->q, QPoint(trayRect.left(),
+                             trayRect.center().y()), uSecs, false);
+}
+
+QRect QSystemTrayIconPrivate::geometry_sys() const
+{
+    return QRect();
+}
+
+void QSystemTrayIconPrivate::remove_sys()
+{
+    if (!sys)
+        return;
+
+    sys->trayMessage(NIM_DELETE);
+    delete sys;
+    sys = 0;
+}
+
+void QSystemTrayIconPrivate::updateIcon_sys()
+{
+    if (!sys)
+        return;
+
+    HICON hIconToDestroy = sys->hIcon;
+
+    sys->createIcon();
+    sys->trayMessage(NIM_MODIFY);
+
+    if (hIconToDestroy)
+        DestroyIcon(hIconToDestroy);
+}
+
+void QSystemTrayIconPrivate::updateMenu_sys()
+{
+
+}
+
+void QSystemTrayIconPrivate::updateToolTip_sys()
+{
+    // Calling sys->trayMessage(NIM_MODIFY) on an existing icon is broken on Windows CE.
+    // So we need to call updateIcon_sys() which creates a new icon handle.
+    updateIcon_sys();
+}
+
+bool QSystemTrayIconPrivate::isSystemTrayAvailable_sys()
+{
+    return true;
+}
+
+QT_END_NAMESPACE
+
+#endif