source: trunk/src/gui/util/qsystemtrayicon_win.cpp@ 765

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#include "qsystemtrayicon_p.h"
#ifndef QT_NO_SYSTEMTRAYICON
#define _WIN32_IE 0x0600 //required for NOTIFYICONDATA_V2_SIZE

//missing defines for MINGW :
#ifndef NIN_BALLOONTIMEOUT
#define NIN_BALLOONTIMEOUT  (WM_USER + 4)
#endif
#ifndef NIN_BALLOONUSERCLICK
#define NIN_BALLOONUSERCLICK (WM_USER + 5)
#endif

#include <qt_windows.h>
#include <commctrl.h>
#include <shlwapi.h>
#include <QBitmap>
#include <QLibrary>
#include <QApplication>
#include <QToolTip>
#include <QDesktopWidget>
#include <QSettings>

#if defined(Q_WS_WINCE) && !defined(STANDARDSHELL_UI_MODEL)
#   include <streams.h>
#endif

QT_BEGIN_NAMESPACE

#if defined(Q_WS_WINCE)
static const UINT q_uNOTIFYICONID = 13;     // IDs from 0 to 12 are reserved on WinCE.
#else
static const UINT q_uNOTIFYICONID = 0;
#endif

static uint MYWM_TASKBARCREATED = 0;
#define MYWM_NOTIFYICON (WM_APP+101)

struct Q_NOTIFYICONIDENTIFIER {
    DWORD cbSize;
    HWND hWnd;
    UINT uID;
    GUID guidItem;
};

#define Q_MSGFLT_ALLOW 1

typedef HRESULT (WINAPI *PtrShell_NotifyIconGetRect)(const Q_NOTIFYICONIDENTIFIER* identifier, RECT* iconLocation);
typedef BOOL (WINAPI *PtrChangeWindowMessageFilter)(UINT message, DWORD dwFlag);
typedef BOOL (WINAPI *PtrChangeWindowMessageFilterEx)(HWND hWnd, UINT message, DWORD action, void* pChangeFilterStruct);

class QSystemTrayIconSys : QWidget
{
public:
    QSystemTrayIconSys(QSystemTrayIcon *object);
    ~QSystemTrayIconSys();
    bool winEvent( MSG *m, long *result );
    bool trayMessage(DWORD msg);
    bool iconDrawItem(LPDRAWITEMSTRUCT lpdi);
    void setIconContents(NOTIFYICONDATA &data);
    bool showMessage(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, uint uSecs);
    bool allowsMessages();
    bool supportsMessages();
    QRect findIconGeometry(const int a_iButtonID);
    void createIcon();
    HICON hIcon;
    QPoint globalPos;
    QSystemTrayIcon *q;
private:
    uint notifyIconSize;
    int maxTipLength;
    bool ignoreNextMouseRelease;
};

bool QSystemTrayIconSys::allowsMessages()
{
#ifndef QT_NO_SETTINGS
    QSettings settings(QLatin1String("HKEY_CURRENT_USER\\Software\\Microsoft"
                                      "\\Windows\\CurrentVersion\\Explorer\\Advanced"), QSettings::NativeFormat);
    return settings.value(QLatin1String("EnableBalloonTips"), true).toBool();
#else
    return false;
#endif
}

bool QSystemTrayIconSys::supportsMessages()
{
#ifndef Q_OS_WINCE
    return allowsMessages();
#endif
    return false;
}

QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
    : hIcon(0), q(object), ignoreNextMouseRelease(false)