source: trunk/src/gui/util/qsystemtrayicon_pm.cpp@ 277

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#include "qsystemtrayicon_p.h"

#ifndef QT_NO_SYSTEMTRAYICON

#include "qapplication.h"
#include "qdesktopwidget.h"
#include "qt_os2.h"

#include "xsystray_api.h"

QT_BEGIN_NAMESPACE

#define WM_XST_MYNOTIFY     (WM_USER + 1000)

static ULONG WM_XST_CREATED = xstGetSysTrayCreatedMsgId();
static ULONG MaxTextLen = xstGetSysTrayMaxTextLen();

class QSystemTrayIconSys : QWidget
{
public:
    QSystemTrayIconSys(QSystemTrayIcon *object);
    ~QSystemTrayIconSys();

    void createIcon();

    void addToTray();
    void removeFromTray();
    QRect geometry();
    void setToolTip();
    void showMessage(const QString &title, const QString &message,
                     QSystemTrayIcon::MessageIcon type, int timeOut);

protected:
    bool pmEvent(QMSG *msg, MRESULT *result);

private:
    HPOINTER hIcon;
    QPoint globalPos;
    QSystemTrayIcon *q;
};

QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
    : hIcon(NULLHANDLE), q(object)
{
}

QSystemTrayIconSys::~QSystemTrayIconSys()
{
    if (hIcon != NULLHANDLE)
        WinDestroyPointer(hIcon);
}

void QSystemTrayIconSys::createIcon()
{
    HPOINTER hIconToDestroy = hIcon;

    hIcon = QPixmap::toPmHPOINTER(q->icon());

    if (hIconToDestroy != NULLHANDLE)
        WinDestroyPointer(hIconToDestroy);
}

void QSystemTrayIconSys::addToTray()
{
    xstAddSysTrayIcon(winId(), 0, hIcon, WM_XST_MYNOTIFY, 0);
}

void QSystemTrayIconSys::removeFromTray()
{
    xstRemoveSysTrayIcon(winId(), 0);
}

QRect QSystemTrayIconSys::geometry()
{
    // @todo use xstQuerySysTrayIconRect()
    return QRect();
}

void QSystemTrayIconSys::setToolTip()
{
    // @todo use xstSetSysTrayIconToolTip()
}

void QSystemTrayIconSys::showMessage(const QString &title, const QString &message,
                                     QSystemTrayIcon::MessageIcon type, int timeOut)
{
    // @todo use xstShowSysTrayIconBalloon()
}

bool QSystemTrayIconSys::pmEvent(QMSG *msg, MRESULT *result)
{
    switch(msg->msg) {

        case WM_XST_MYNOTIFY: {
            switch (SHORT2FROMMP(msg->mp1)) {
                case XST_IN_MOUSE: {
                    PXSTMOUSEMSG pMsg = (PXSTMOUSEMSG)msg->mp2;
                    switch (pMsg->ulMouseMsg) {
                        case WM_BUTTON1CLICK:
                            emit q->activated(QSystemTrayIcon::Trigger);
                            break;
                        case WM_BUTTON1DBLCLK:
                            emit q->activated(QSystemTrayIcon::DoubleClick);
                            break;
                        case WM_BUTTON3CLICK:
                            emit q->activated(QSystemTrayIcon::MiddleClick);
                            break;
                        default:
                            break;
                    }
                    break;
                }
                case XST_IN_CONTEXT: {
                    PXSTCONTEXTMSG pMsg = (PXSTCONTEXTMSG)msg->mp2;
                    if (q->contextMenu()) {
                        QPoint gpos(pMsg->ptsPointerPos.x,
                                    // flip y coordinate
                                    QApplication::desktop()->height() -
                                        (pMsg->ptsPointerPos.y + 1));
                        q->contextMenu()->popup(gpos);
                        q->contextMenu()->activateWindow();
                        // Must be activated for proper keyboardfocus and
                        // menu closing on OS/2
                    }
                    emit q->activated(QSystemTrayIcon::Context);
                    break;
                }
                default:
                    break;
            }
            break;
        }

        default: {
            if (msg->msg == WM_XST_CREATED) {
                addToTray();
                return true;
            }
            break;
        }
    }

    return QWidget::pmEvent(msg, result);
}

void QSystemTrayIconPrivate::install_sys()
{
    Q_Q(QSystemTrayIcon);
    if (!sys) {
        // @todo make QSystemTrayIconSys a singleton and use different icon IDs
        // to differentiate between icons (this will save us from creating a new
        // HWND per each icon the application wants to show)
        sys = new QSystemTrayIconSys(q);
        sys->createIcon();
        sys->addToTray();
    }
}

void QSystemTrayIconPrivate::
showMessage_sys(const QString &title, const QString &message,
                QSystemTrayIcon::MessageIcon type, int timeOut)
{
    if (!sys)
        return;

    sys->showMessage(title, message, type, timeOut);
}

QRect QSystemTrayIconPrivate::geometry_sys() const
{
    if (!sys)
        return QRect();

    return sys->geometry();
}

void QSystemTrayIconPrivate::remove_sys()
{
    if (!sys)
        return;

    sys->removeFromTray();
    delete sys;
    sys = 0;
}

void QSystemTrayIconPrivate::updateIcon_sys()
{
    if (!sys)
        return;

    sys->createIcon();
    sys->addToTray();
}

void QSystemTrayIconPrivate::updateMenu_sys()
{
    // nothing to do
}

void QSystemTrayIconPrivate::updateToolTip_sys()
{
    if (!sys)
        return;

    sys->setToolTip();
}

bool QSystemTrayIconPrivate::isSystemTrayAvailable_sys()
{
    return xstQuerySysTrayVersion(0, 0, 0);
}

QT_END_NAMESPACE

#endif // ifndef QT_NO_SYSTEMTRAYICON