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    41 

    42 #include "qsystemtrayicon_p.h"

    43 #ifndef QT_NO_SYSTEMTRAYICON

    44 #define _WIN32_IE 0x0600 //required for NOTIFYICONDATA_V2_SIZE

    45 

    46 #include <qt_windows.h>

    47 #include <shlwapi.h>

    48 #include <QApplication>

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 static const UINT q_uNOTIFYICONID = 13;     // IDs from 0 to 12 are reserved on WinCE.

    53 #define MYWM_NOTIFYICON (WM_APP+101)

    54 

    55 struct Q_NOTIFYICONIDENTIFIER {

    56     DWORD cbSize;

    57     HWND hWnd;

    58     UINT uID;

    59     GUID guidItem;

    60 };

    61 

    62 class QSystemTrayIconSys : QWidget

    63 {

    64 public:

    65     QSystemTrayIconSys(QSystemTrayIcon *object);

    66     ~QSystemTrayIconSys();

    67     bool winEvent( MSG *m, long *result );

    68     bool trayMessage(DWORD msg);

    69     void setIconContents(NOTIFYICONDATA &data);

    70     void createIcon();

    71     QRect findTrayGeometry();

    72     HICON hIcon;

    73     QPoint globalPos;

    74     QSystemTrayIcon *q;

    75 private:

    76     uint notifyIconSize;

    77     int maxTipLength;

    78     bool ignoreNextMouseRelease;

    79 };

    80 

    81 QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)

    82     : hIcon(0), q(object), ignoreNextMouseRelease(false)

    83 

    84 {

    85     notifyIconSize = FIELD_OFFSET(NOTIFYICONDATA, szTip[64]); // NOTIFYICONDATAW_V1_SIZE;

    86     maxTipLength = 64;

    87 }

    88 

    89 QSystemTrayIconSys::~QSystemTrayIconSys()

    90 {

    91     if (hIcon)

    92         DestroyIcon(hIcon);

    93 }

    94 

    95 QRect QSystemTrayIconSys::findTrayGeometry()

    96 {

    97     // Use lower right corner as fallback

    98     QPoint brCorner = qApp->desktop()->screenGeometry().bottomRight();

    99     QRect ret(brCorner.x() - 10, brCorner.y() - 10, 10, 10);

   100     return ret;

   101 }

   102 

   103 void QSystemTrayIconSys::setIconContents(NOTIFYICONDATA &tnd)

   104 {

   105     tnd.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;

   106     tnd.uCallbackMessage = MYWM_NOTIFYICON;

   107     tnd.hIcon = hIcon;

   108     QString tip = q->toolTip();

   109 

   110     if (!tip.isNull()) {

   111         tip = tip.left(maxTipLength - 1) + QChar();

   112         memcpy(tnd.szTip, tip.utf16(), qMin(tip.length() + 1, maxTipLength) * sizeof(wchar_t));

   113     }

   114 }

   115 

   116 bool QSystemTrayIconSys::trayMessage(DWORD msg)

   117 {

   118     NOTIFYICONDATA tnd;

   119     memset(&tnd, 0, notifyIconSize);

   120     tnd.uID = q_uNOTIFYICONID;

   121     tnd.cbSize = notifyIconSize;

   122     tnd.hWnd = winId();

   123 

   124     Q_ASSERT(testAttribute(Qt::WA_WState_Created));

   125 

   126     if (msg != NIM_DELETE) {

   127         setIconContents(tnd);

   128     }

   129 

   130     return Shell_NotifyIcon(msg, &tnd);

   131 }

   132 

   133 void QSystemTrayIconSys::createIcon()

   134 {

   135     hIcon = 0;

   136     QIcon icon = q->icon();

   137     if (icon.isNull())

   138         return;

   139 

   140     //const QSize preferredSize(GetSystemMetrics(SM_CXSMICON) * 2, GetSystemMetrics(SM_CYSMICON) * 2);

   141     const QSize preferredSize(GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON));

   142     QPixmap pm = icon.pixmap(preferredSize);

   143     if (pm.isNull())

   144         return;

   145 

   146     hIcon = pm.toWinHICON();

   147 }

   148 

   149 bool QSystemTrayIconSys::winEvent( MSG *m, long *result )

   150 {

   151     switch(m->message) {

   152     case WM_CREATE:

   153         SetWindowLong(winId(), GWL_USERDATA, (LONG)((CREATESTRUCTW*)m->lParam)->lpCreateParams);

   154         break;

   155 

   156     case MYWM_NOTIFYICON:

   157         {

   158             RECT r;

   159             GetWindowRect(winId(), &r);

   160             QEvent *e = 0;

   161             Qt::KeyboardModifiers keys = QApplication::keyboardModifiers();

   162             QPoint gpos = QCursor::pos();

   163 

   164             switch (m->lParam) {

   165             case WM_LBUTTONUP:

   166                 if (ignoreNextMouseRelease)

   167                     ignoreNextMouseRelease = false;

   168                 else

   169                     emit q->activated(QSystemTrayIcon::Trigger);

   170                 break;

   171 

   172             case WM_LBUTTONDBLCLK:

   173                 ignoreNextMouseRelease = true; // Since DBLCLICK Generates a second mouse 

   174                                                // release we must ignore it

   175                 emit q->activated(QSystemTrayIcon::DoubleClick);

   176                 break;

   177 

   178             case WM_RBUTTONUP:

   179                 if (q->contextMenu()) {

   180                     q->contextMenu()->popup(gpos);

   181 

   182                     // We must ensure that the popup menu doesn't show up behind the task bar.

   183                     QRect desktopRect = qApp->desktop()->availableGeometry();

   184                     int maxY = desktopRect.y() + desktopRect.height() - q->contextMenu()->height();

   185                     if (gpos.y() > maxY) {

   186                         gpos.ry() = maxY;

   187                         q->contextMenu()->move(gpos);

   188                     }

   189 

   190                     q->contextMenu()->activateWindow();

   191                     //Must be activated for proper keyboardfocus and menu closing on windows:

   192                 }

   193                 emit q->activated(QSystemTrayIcon::Context);

   194                 break;

   195 

   196             case WM_MBUTTONUP:

   197                 emit q->activated(QSystemTrayIcon::MiddleClick);

   198                 break;

   199             default:

   200                 break;

   201             }

   202             if (e) {

   203                 bool res = QApplication::sendEvent(q, e);

   204                 delete e;

   205                 return res;

   206             }

   207             break;

   208         }

   209     default:

   210         return QWidget::winEvent(m, result);

   211     }

   212     return 0;

   213 }

   214 

   215 void QSystemTrayIconPrivate::install_sys()

   216 {

   217     Q_Q(QSystemTrayIcon);

   218     if (!sys) {

   219         sys = new QSystemTrayIconSys(q);

   220         sys->createIcon();

   221         sys->trayMessage(NIM_ADD);

   222     }

   223 }

   224 

   225 void QSystemTrayIconPrivate::showMessage_sys(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, int timeOut)

   226 {

   227     if (!sys)

   228         return;

   229 

   230     uint uSecs = 0;

   231     if ( timeOut < 0)

   232         uSecs = 10000; //10 sec default

   233     else uSecs = (int)timeOut;

   234 

   235     //message is limited to 255 chars + NULL

   236     QString messageString;

   237     if (message.isEmpty() && !title.isEmpty())

   238         messageString = QLatin1Char(' '); //ensures that the message shows when only title is set

   239     else

   240         messageString = message.left(255) + QChar();

   241 

   242     //title is limited to 63 chars + NULL

   243     QString titleString = title.left(63) + QChar();

   244 

   245     //show QBalloonTip

   246     QRect trayRect = sys->findTrayGeometry();

   247     QBalloonTip::showBalloon(type, title, message, sys->q, QPoint(trayRect.left(),

   248                              trayRect.center().y()), uSecs, false);

   249 }

   250 

   251 QRect QSystemTrayIconPrivate::geometry_sys() const

   252 {

   253     return QRect();

   254 }

   255 

   256 void QSystemTrayIconPrivate::remove_sys()

   257 {

   258     if (!sys)

   259         return;

   260 

   261     sys->trayMessage(NIM_DELETE);

   262     delete sys;

   263     sys = 0;

   264 }

   265 

   266 void QSystemTrayIconPrivate::updateIcon_sys()

   267 {

   268     if (!sys)

   269         return;

   270 

   271     HICON hIconToDestroy = sys->hIcon;

   272 

   273     sys->createIcon();

   274     sys->trayMessage(NIM_MODIFY);

   275 

   276     if (hIconToDestroy)

   277         DestroyIcon(hIconToDestroy);

   278 }

   279 

   280 void QSystemTrayIconPrivate::updateMenu_sys()

   281 {

   282 

   283 }

   284 

   285 void QSystemTrayIconPrivate::updateToolTip_sys()

   286 {

   287     // Calling sys->trayMessage(NIM_MODIFY) on an existing icon is broken on Windows CE.

   288     // So we need to call updateIcon_sys() which creates a new icon handle.

   289     updateIcon_sys();

   290 }

   291 

   292 bool QSystemTrayIconPrivate::isSystemTrayAvailable_sys()

   293 {

   294     return true;

   295 }

   296 

   297 QT_END_NAMESPACE

   298 

   299 #endif