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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 524 insertions, 0 deletions

diff --git a/src/gui/util/qsystemtrayicon_win.cpp b/src/gui/util/qsystemtrayicon_win.cpp
new file mode 100644
index 0000000000..5a0e179e6d
--- /dev/null
+++ b/src/gui/util/qsystemtrayicon_win.cpp
@@ -0,0 +1,524 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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
+
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0600
+#endif
+
+#ifndef _WIN32_IE
+#define _WIN32_IE 0x600
+#endif
+
+#include <qt_windows.h>
+#include <windowsx.h>
+#include <commctrl.h>
+
+#include <private/qsystemlibrary_p.h>
+#include <QApplication>
+#include <QSettings>
+
+QT_BEGIN_NAMESPACE
+
+static const UINT q_uNOTIFYICONID = 0;
+
+static uint MYWM_TASKBARCREATED = 0;
+#define MYWM_NOTIFYICON (WM_APP+101)
+
+struct Q_NOTIFYICONIDENTIFIER {
+    DWORD cbSize;
+    HWND hWnd;
+    UINT uID;
+    GUID guidItem;
+};
+
+#ifndef NOTIFYICON_VERSION_4
+#define NOTIFYICON_VERSION_4 4
+#endif
+
+#ifndef NIN_SELECT
+#define NIN_SELECT (WM_USER + 0)
+#endif
+
+#ifndef NIN_KEYSELECT
+#define NIN_KEYSELECT (WM_USER + 1)
+#endif
+
+#ifndef NIN_BALLOONTIMEOUT
+#define NIN_BALLOONTIMEOUT (WM_USER + 4)
+#endif
+
+#ifndef NIN_BALLOONUSERCLICK
+#define NIN_BALLOONUSERCLICK (WM_USER + 5)
+#endif
+
+#ifndef NIF_SHOWTIP
+#define NIF_SHOWTIP 0x00000080
+#endif
+
+#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);
+    void setIconContents(NOTIFYICONDATA &data);
+    bool showMessage(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, uint uSecs);
+    QRect findIconGeometry(const int a_iButtonID);
+    void createIcon();
+    HICON hIcon;
+    QPoint globalPos;
+    QSystemTrayIcon *q;
+private:
+    uint notifyIconSize;
+    int maxTipLength;
+    int version;
+    bool ignoreNextMouseRelease;
+};
+
+static bool 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
+}
+
+QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
+    : hIcon(0), q(object), ignoreNextMouseRelease(false)
+
+{
+    if (QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA) {
+        notifyIconSize = sizeof(NOTIFYICONDATA);
+        version = NOTIFYICON_VERSION_4;
+    } else {
+        notifyIconSize = NOTIFYICONDATA_V2_SIZE;
+        version = NOTIFYICON_VERSION;
+    }
+
+    maxTipLength = 128;
+
+    // For restoring the tray icon after explorer crashes
+    if (!MYWM_TASKBARCREATED) {
+        MYWM_TASKBARCREATED = RegisterWindowMessage(L"TaskbarCreated");
+    }
+
+    // Allow the WM_TASKBARCREATED message through the UIPI filter on Windows Vista and higher
+    static PtrChangeWindowMessageFilterEx pChangeWindowMessageFilterEx =
+        (PtrChangeWindowMessageFilterEx)QSystemLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilterEx");
+
+    if (pChangeWindowMessageFilterEx) {
+        // Call the safer ChangeWindowMessageFilterEx API if available
+        pChangeWindowMessageFilterEx(winId(), MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW, 0);
+    } else {
+        static PtrChangeWindowMessageFilter pChangeWindowMessageFilter =
+            (PtrChangeWindowMessageFilter)QSystemLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilter");
+
+        if (pChangeWindowMessageFilter) {
+            // Call the deprecated ChangeWindowMessageFilter API otherwise
+            pChangeWindowMessageFilter(MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW);
+        }
+    }
+}
+
+QSystemTrayIconSys::~QSystemTrayIconSys()
+{
+    if (hIcon)
+        DestroyIcon(hIcon);
+}
+
+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));
+    }
+}
+
+static int iconFlag( QSystemTrayIcon::MessageIcon icon )
+{
+    switch (icon) {
+        case QSystemTrayIcon::Information:
+            return NIIF_INFO;
+        case QSystemTrayIcon::Warning:
+            return NIIF_WARNING;
+        case QSystemTrayIcon::Critical:
+            return NIIF_ERROR;
+        case QSystemTrayIcon::NoIcon:
+            return NIIF_NONE;
+        default:
+            Q_ASSERT_X(false, "QSystemTrayIconSys::showMessage", "Invalid QSystemTrayIcon::MessageIcon value");
+            return NIIF_NONE;
+    }
+}
+
+bool QSystemTrayIconSys::showMessage(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, uint uSecs)
+{
+    NOTIFYICONDATA tnd;
+    memset(&tnd, 0, notifyIconSize);
+
+    memcpy(tnd.szInfo, message.utf16(), qMin(message.length() + 1, 256) * sizeof(wchar_t));
+    memcpy(tnd.szInfoTitle, title.utf16(), qMin(title.length() + 1, 64) * sizeof(wchar_t));
+
+    tnd.uID = q_uNOTIFYICONID;
+    tnd.dwInfoFlags = iconFlag(type);
+    tnd.cbSize = notifyIconSize;
+    tnd.hWnd = winId();
+    tnd.uTimeout = uSecs;
+    tnd.uFlags = NIF_INFO | NIF_SHOWTIP;
+
+    Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+
+    return Shell_NotifyIcon(NIM_MODIFY, &tnd);
+}
+
+bool QSystemTrayIconSys::trayMessage(DWORD msg)
+{
+    NOTIFYICONDATA tnd;
+    memset(&tnd, 0, notifyIconSize);
+
+    tnd.uID = q_uNOTIFYICONID;
+    tnd.cbSize = notifyIconSize;
+    tnd.hWnd = winId();
+    tnd.uFlags = NIF_SHOWTIP;
+    tnd.uVersion = version;
+
+    Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+
+    if (msg == NIM_ADD || msg == NIM_MODIFY) {
+        setIconContents(tnd);
+    }
+
+    bool success = Shell_NotifyIcon(msg, &tnd);
+
+    if (msg == NIM_ADD)
+        return success && Shell_NotifyIcon(NIM_SETVERSION, &tnd);
+    else
+        return success;
+}
+
+void QSystemTrayIconSys::createIcon()
+{
+    hIcon = 0;
+    QIcon icon = q->icon();
+    if (icon.isNull())
+        return;
+
+    const int iconSizeX = GetSystemMetrics(SM_CXSMICON);
+    const int iconSizeY = GetSystemMetrics(SM_CYSMICON);
+    QSize size = icon.actualSize(QSize(iconSizeX, iconSizeY));
+    QPixmap pm = icon.pixmap(size);
+    if (pm.isNull())
+        return;
+
+    hIcon = pm.toWinHICON();
+}
+
+bool QSystemTrayIconSys::winEvent( MSG *m, long *result )
+{
+    switch(m->message) {
+    case MYWM_NOTIFYICON:
+        {
+            int message = 0;
+            QPoint gpos;
+
+            if (version == NOTIFYICON_VERSION_4) {
+                Q_ASSERT(q_uNOTIFYICONID == HIWORD(m->lParam));
+                message = LOWORD(m->lParam);
+                gpos = QPoint(GET_X_LPARAM(m->wParam), GET_Y_LPARAM(m->wParam));
+            } else {
+                Q_ASSERT(q_uNOTIFYICONID == m->wParam);
+                message = m->lParam;
+                gpos = QCursor::pos();
+            }
+
+            switch (message) {
+            case NIN_SELECT:
+            case NIN_KEYSELECT:
+                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_CONTEXTMENU:
+                if (q->contextMenu()) {
+                    q->contextMenu()->popup(gpos);
+                    q->contextMenu()->activateWindow();
+                }
+                emit q->activated(QSystemTrayIcon::Context);
+                break;
+
+            case NIN_BALLOONUSERCLICK:
+                emit q->messageClicked();
+                break;
+
+            case WM_MBUTTONUP:
+                emit q->activated(QSystemTrayIcon::MiddleClick);
+                break;
+
+            default:
+                break;
+            }
+            break;
+        }
+    default:
+        if (m->message == MYWM_TASKBARCREATED)
+            trayMessage(NIM_ADD);
+        else
+            return QWidget::winEvent(m, result);
+        break;
+    }
+    return 0;
+}
+
+void QSystemTrayIconPrivate::install_sys()
+{
+    Q_Q(QSystemTrayIcon);
+    if (!sys) {
+        sys = new QSystemTrayIconSys(q);
+        sys->createIcon();
+        sys->trayMessage(NIM_ADD);
+    }
+}
+
+/*
+* This function tries to determine the icon geometry from the tray
+*
+* If it fails an invalid rect is returned.
+*/
+QRect QSystemTrayIconSys::findIconGeometry(const int iconId)
+{
+    static PtrShell_NotifyIconGetRect Shell_NotifyIconGetRect =
+        (PtrShell_NotifyIconGetRect)QSystemLibrary::resolve(QLatin1String("shell32"), "Shell_NotifyIconGetRect");
+
+    if (Shell_NotifyIconGetRect) {
+        Q_NOTIFYICONIDENTIFIER nid;
+        memset(&nid, 0, sizeof(nid));
+        nid.cbSize = sizeof(nid);
+        nid.hWnd = winId();
+        nid.uID = iconId;
+
+        RECT rect;
+        HRESULT hr = Shell_NotifyIconGetRect(&nid, &rect);
+        if (SUCCEEDED(hr)) {
+            return QRect(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
+        }
+    }
+
+    QRect ret;
+
+    TBBUTTON buttonData;
+    DWORD processID = 0;
+    HWND trayHandle = FindWindow(L"Shell_TrayWnd", NULL);
+
+    //find the toolbar used in the notification area
+    if (trayHandle) {
+        trayHandle = FindWindowEx(trayHandle, NULL, L"TrayNotifyWnd", NULL);
+        if (trayHandle) {
+            HWND hwnd = FindWindowEx(trayHandle, NULL, L"SysPager", NULL);
+            if (hwnd) {
+                hwnd = FindWindowEx(hwnd, NULL, L"ToolbarWindow32", NULL);
+                if (hwnd)
+                    trayHandle = hwnd;
+            }
+        }
+    }
+
+    if (!trayHandle)
+        return ret;
+
+    GetWindowThreadProcessId(trayHandle, &processID);
+    if (processID <= 0)
+        return ret;
+
+    HANDLE trayProcess = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_READ, 0, processID);
+    if (!trayProcess)
+        return ret;
+
+    int buttonCount = SendMessage(trayHandle, TB_BUTTONCOUNT, 0, 0);
+    LPVOID data = VirtualAllocEx(trayProcess, NULL, sizeof(TBBUTTON), MEM_COMMIT, PAGE_READWRITE);
+
+    if ( buttonCount < 1 || !data ) {
+        CloseHandle(trayProcess);
+        return ret;
+    }
+
+    //search for our icon among all toolbar buttons
+    for (int toolbarButton = 0; toolbarButton  < buttonCount; ++toolbarButton ) {
+        SIZE_T numBytes = 0;
+        DWORD appData[2] = { 0, 0 };
+        SendMessage(trayHandle, TB_GETBUTTON, toolbarButton , (LPARAM)data);
+
+        if (!ReadProcessMemory(trayProcess, data, &buttonData, sizeof(TBBUTTON), &numBytes))
+            continue;
+
+        if (!ReadProcessMemory(trayProcess, (LPVOID) buttonData.dwData, appData, sizeof(appData), &numBytes))
+            continue;
+
+        int currentIconId = appData[1];
+        HWND currentIconHandle = (HWND) appData[0];
+        bool isHidden = buttonData.fsState & TBSTATE_HIDDEN;
+
+        if (currentIconHandle == winId() &&
+            currentIconId == iconId && !isHidden) {
+            SendMessage(trayHandle, TB_GETITEMRECT, toolbarButton , (LPARAM)data);
+            RECT iconRect = {0, 0};
+            if(ReadProcessMemory(trayProcess, data, &iconRect, sizeof(RECT), &numBytes)) {
+                MapWindowPoints(trayHandle, NULL, (LPPOINT)&iconRect, 2);
+                QRect geometry(iconRect.left + 1, iconRect.top + 1,
+                                iconRect.right - iconRect.left - 2,
+                                iconRect.bottom - iconRect.top - 2);
+                if (geometry.isValid())
+                    ret = geometry;
+                break;
+            }
+        }
+    }
+    VirtualFreeEx(trayProcess, data, 0, MEM_RELEASE);
+    CloseHandle(trayProcess);
+    return ret;
+}
+
+void QSystemTrayIconPrivate::showMessage_sys(const QString &title, const QString &message, QSystemTrayIcon::MessageIcon type, int timeOut)
+{
+    if (!sys || !allowsMessages())
+        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();
+
+    sys->showMessage(titleString, messageString, type, uSecs);
+}
+
+QRect QSystemTrayIconPrivate::geometry_sys() const
+{
+    if (!sys)
+        return QRect();
+
+    return sys->findIconGeometry(q_uNOTIFYICONID);
+}
+
+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()
+{
+    if (!sys)
+        return;
+
+    sys->trayMessage(NIM_MODIFY);
+}
+
+bool QSystemTrayIconPrivate::isSystemTrayAvailable_sys()
+{
+    return true;
+}
+
+bool QSystemTrayIconPrivate::supportsMessages_sys()
+{
+    return allowsMessages();
+}
+
+QT_END_NAMESPACE
+
+#endif