openvpn-gui/tray.c

/*
 *  OpenVPN-GUI -- A Windows GUI for OpenVPN.
 *
 *  Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
 *                2010 Heiko Hund <heikoh@users.sf.net>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program (see the file COPYING included with this
 *  distribution); if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <shellapi.h>
#include <tchar.h>
#include <time.h>
#include <commctrl.h>

#include "tray.h"
#include "main.h"
#include "options.h"
#include "openvpn.h"
#include "openvpn_config.h"
#include "openvpn-gui-res.h"
#include "localization.h"
#include "misc.h"

#ifndef GUID_NULL
#include <initguid.h>
DEFINE_GUID(GUID_NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
#endif

/* Popup Menus */
HMENU hMenu;
HMENU *hMenuConn;
HMENU hMenuImport;
int hmenu_size = 0; /* allocated size of hMenuConn array */

HBITMAP hbmpConnecting;

NOTIFYICONDATA ni;
HWND traytip; /* handle of tooltip window for tray icon */
TOOLINFO ti;  /* global tool info structure for tool tip of tray icon*/

extern options_t o;

#define USE_NESTED_CONFIG_MENU ((o.config_menu_view == CONFIG_VIEW_AUTO && o.num_configs > 25)   \
                                || (o.config_menu_view == CONFIG_VIEW_NESTED))


static void
DeleteMenuBitmaps(void)
{
    if (hbmpConnecting)
    {
        DeleteObject(hbmpConnecting);
        hbmpConnecting = NULL;
    }
}

/* Create bitmaps for menu items. Currently only the connecting checkmark.
 *
 * Make a color bitmap from the connecting icon for use as a checkmark
 * for indicating the connecting state. We do this by replacing
 * the icon colour bitmap pixels in the background region with the menu
 * color (COLOR_MENU)
 */
static void
CreateMenuBitmaps(void)
{

    DeleteMenuBitmaps();

    int cx = GetSystemMetrics(SM_CXMENUCHECK);
    int cy = GetSystemMetrics(SM_CYMENUCHECK);
    HICON icon = LoadLocalizedIconEx(ID_ICO_CONNECTING, cx, cy);
    ICONINFO iconinfo;

    if (!icon || !GetIconInfo(icon, &iconinfo))
    {
        MsgToEventLog(EVENTLOG_ERROR_TYPE, L"Error loading ID_ICO_CONNECTING.");
        return;
    }

    /* Create two DCs for drawing/accessing the images in memory */
    HDC maskDC = CreateCompatibleDC(NULL), imgDC = CreateCompatibleDC(NULL);
    if (!maskDC || !imgDC)
    {
        DeleteObject(iconinfo.hbmMask);
        DeleteObject(iconinfo.hbmColor);
        if (maskDC)
        {
            DeleteDC(maskDC);
        }
        if (imgDC)
        {
            DeleteDC(imgDC);
        }
        MsgToEventLog(EVENTLOG_ERROR_TYPE, L"Error creating DCs for drawing");
        return;
    }

    /* Load the image and mask bitmaps into the DCs saving the default one's */
    HBITMAP def1 = (HBITMAP) SelectObject(imgDC, iconinfo.hbmColor);
    HBITMAP def2 = (HBITMAP) SelectObject(maskDC, iconinfo.hbmMask);

    /* White mask pixels mark the background region */
    COLORREF ref = RGB(255, 255, 255);
    COLORREF bg = GetSysColor(COLOR_MENU);

    for (int x = 0; x < cx; x++)
    {
        for (int y = 0; y < cy; y++)
        {
            if (GetPixel(maskDC, x, y) == ref)
            {
                SetPixel(imgDC, x, y, bg);
            }
        }
    }

    /* Save the result and restore the default bitmaps back in the DC */
    hbmpConnecting = (HBITMAP) SelectObject(imgDC, def1);
    SelectObject(maskDC, def2);

    /* We don't need the mask bitmap -- free it */
    DeleteObject(iconinfo.hbmMask);

    DeleteDC(imgDC);
    DeleteDC(maskDC);
}

/*
 * Reallocate hMenuConn as required. In case of not enough memory,
 * o.num_config is reset to max space available value so that the
 * program can continue.
 */
void
AllocateConnectionMenu()
{
    if (hmenu_size >= o.num_configs)
    {
        return;
    }
    HMENU *tmp  = (HMENU *) realloc(hMenuConn, sizeof(HMENU)*(o.num_configs + 50));
    if (tmp)
    {
        hmenu_size = o.num_configs + 50;
        hMenuConn = tmp;
    }
    else
    {
        o.num_configs = hmenu_size;
        MsgToEventLog(EVENTLOG_ERROR_TYPE, L"Allocation of hMenuConn failed. Ignoring configs beyond index = %d", o.num_configs);
    }
    return;
}

/* Create popup menus */
void
CreatePopupMenus()
{
    /* We use groups[0].menu as the root menu, so,
     * even if num_configs = 0, we want num_groups > 0.
     * This is guaranteed as the root node is always defined.
     */
    if (o.num_groups <= 0)
    {
        MsgToEventLog(EVENTLOG_ERROR_TYPE, L"%hs:%d Logic error - no config groups", __func__, __LINE__);
        return;
    }

    AllocateConnectionMenu();

    CreateMenuBitmaps();
    MENUINFO minfo = {.cbSize = sizeof(MENUINFO)};

    for (connection_t *c = o.chead; c; c = c->next)
    {
        hMenuConn[c->id] = CreatePopupMenu();
        /* Save the connection index in the menu.*/
        minfo.fMask = MIM_MENUDATA;
        minfo.dwMenuData = (ULONG_PTR) c;
        SetMenuInfo(hMenuConn[c->id], &minfo);
    }
    for (int i = 0; i < o.num_groups; i++)
    {
        if (!o.groups[i].active)
        {
            continue;
        }
        o.groups[i].menu = CreatePopupMenu();
        o.groups[i].children = 0; /* we have to recount this when assigning menu position index */
    }

    hMenu = o.groups[0].menu; /* the first group menu is also the root menu */

    /* Set notify by position style for the top menu - gets automatically applied to sub-menus */
    minfo.fMask = MIM_STYLE;
    GetMenuInfo(hMenu, &minfo);
    minfo.dwStyle |= MNS_NOTIFYBYPOS;
    SetMenuInfo(hMenu, &minfo);

    if (o.num_configs == 1 && o.chead)
    {
        /* Set main menu's menudata to first connection */
        minfo.fMask = MIM_MENUDATA;
        GetMenuInfo(hMenu, &minfo);
        minfo.dwMenuData = (ULONG_PTR) o.chead;
        SetMenuInfo(hMenu, &minfo);

        /* Create Main menu with actions */
        AppendMenu(hMenu, MF_STRING, IDM_CONNECTMENU, LoadLocalizedString(IDS_MENU_CONNECT));
        AppendMenu(hMenu, MF_STRING, IDM_DISCONNECTMENU, LoadLocalizedString(IDS_MENU_DISCONNECT));
        AppendMenu(hMenu, MF_STRING, IDM_RECONNECTMENU, LoadLocalizedString(IDS_MENU_RECONNECT));
        AppendMenu(hMenu, MF_STRING, IDM_STATUSMENU, LoadLocalizedString(IDS_MENU_STATUS));
        AppendMenu(hMenu, MF_SEPARATOR, 0, 0);

        AppendMenu(hMenu, MF_STRING, IDM_VIEWLOGMENU, LoadLocalizedString(IDS_MENU_VIEWLOG));

        AppendMenu(hMenu, MF_STRING, IDM_EDITMENU, LoadLocalizedString(IDS_MENU_EDITCONFIG));
        AppendMenu(hMenu, MF_STRING, IDM_CLEARPASSMENU, LoadLocalizedString(IDS_MENU_CLEARPASS));

        AppendMenu(hMenu, MF_SEPARATOR, 0, 0);

        hMenuImport = CreatePopupMenu();
        AppendMenu(hMenu, MF_POPUP, (UINT_PTR) hMenuImport, LoadLocalizedString(IDS_MENU_IMPORT));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_FILE, LoadLocalizedString(IDS_MENU_IMPORT_FILE));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_AS, LoadLocalizedString(IDS_MENU_IMPORT_AS));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_URL, LoadLocalizedString(IDS_MENU_IMPORT_URL));

        AppendMenu(hMenu, MF_STRING, IDM_SETTINGS, LoadLocalizedString(IDS_MENU_SETTINGS));
        AppendMenu(hMenu, MF_STRING, IDM_CLOSE, LoadLocalizedString(IDS_MENU_CLOSE));

        SetMenuStatus(o.chead,  o.chead->state);
    }
    else
    {
        /* construct the submenu tree first */
        /* i = 0 is the root menu and has no parent */
        for (int i = 1; i < o.num_groups; i++)
        {
            config_group_t *this = &o.groups[i];
            config_group_t *parent = PARENT_GROUP(this);

            /* Root group of persistent connections is always displayed if active.
             * Add the rest only if (USE_NESTED_CONFIG_MENU)
             */
            if (!this->active || !parent
                || (this != PERSISTENT_ROOT_GROUP && !USE_NESTED_CONFIG_MENU))
            {
                continue;
            }
            AppendMenu(parent->menu, MF_POPUP, (UINT_PTR) this->menu, this->name);
            this->pos = parent->children++;

            PrintDebug(L"Submenu %d named %ls added to parent %ls with position %d",
                       i, this->name, parent->name, this->pos);
        }

        /* add config file (connection) entries */
        for (connection_t *c = o.chead; c; c = c->next)
        {
            config_group_t *parent = &o.groups[0]; /* by default config is added to the root */

            if (USE_NESTED_CONFIG_MENU)
            {
                parent = CONFIG_GROUP(c);
            }
            else if (c->flags & FLAG_DAEMON_PERSISTENT)
            {
                /* Persistent connections always displayed under a submenu */
                parent = PERSISTENT_ROOT_GROUP;
            }
            if (!parent)
            {
                MsgToEventLog(EVENTLOG_ERROR_TYPE, L"%hs:%d Logic error - parent = NULL", __func__, __LINE__);
                continue; /* ignore this config */
            }

            /* Add config to the current sub menu */
            AppendMenu(parent->menu, MF_POPUP, (UINT_PTR) hMenuConn[c->id], c->config_name);
            c->pos = parent->children++;

            PrintDebug(L"Config %d named %ls added to submenu %ls with position %d",
                       c->id, c->config_name, parent->name, c->pos);
        }

        if (o.num_configs > 0)
        {
            AppendMenu(hMenu, MF_SEPARATOR, 0, 0);
        }

        hMenuImport = CreatePopupMenu();
        AppendMenu(hMenu, MF_POPUP, (UINT_PTR) hMenuImport, LoadLocalizedString(IDS_MENU_IMPORT));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_FILE, LoadLocalizedString(IDS_MENU_IMPORT_FILE));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_AS, LoadLocalizedString(IDS_MENU_IMPORT_AS));
        AppendMenu(hMenuImport, MF_STRING, IDM_IMPORT_URL, LoadLocalizedString(IDS_MENU_IMPORT_URL));

        AppendMenu(hMenu, MF_STRING, IDM_SETTINGS, LoadLocalizedString(IDS_MENU_SETTINGS));
        AppendMenu(hMenu, MF_STRING, IDM_CLOSE, LoadLocalizedString(IDS_MENU_CLOSE));

        /* Create popup menus for every connection */
        for (connection_t *c = o.chead; c; c = c->next)
        {
            int i = c->id;
            AppendMenu(hMenuConn[i], MF_STRING, IDM_CONNECTMENU, LoadLocalizedString(IDS_MENU_CONNECT));
            AppendMenu(hMenuConn[i], MF_STRING, IDM_DISCONNECTMENU, LoadLocalizedString(IDS_MENU_DISCONNECT));
            AppendMenu(hMenuConn[i], MF_STRING, IDM_RECONNECTMENU, LoadLocalizedString(IDS_MENU_RECONNECT));
            AppendMenu(hMenuConn[i], MF_STRING, IDM_STATUSMENU, LoadLocalizedString(IDS_MENU_STATUS));
            AppendMenu(hMenuConn[i], MF_SEPARATOR, 0, 0);

            AppendMenu(hMenuConn[i], MF_STRING, IDM_VIEWLOGMENU, LoadLocalizedString(IDS_MENU_VIEWLOG));

            AppendMenu(hMenuConn[i], MF_STRING, IDM_EDITMENU, LoadLocalizedString(IDS_MENU_EDITCONFIG));
            AppendMenu(hMenuConn[i], MF_STRING, IDM_CLEARPASSMENU, LoadLocalizedString(IDS_MENU_CLEARPASS));

            SetMenuStatus(c, c->state);
        }
    }
}


/* Destroy popup menus */
static void
DestroyPopupMenus()
{
    for (connection_t *c = o.chead; c; c = c->next)
    {
        DestroyMenu(hMenuConn[c->id]);
    }

    DestroyMenu(hMenuImport);
    DestroyMenu(hMenu);

    hMenuImport = NULL;
    hMenu = NULL;
}

/* Rescan config folders and recreate popup menus */
void
RecreatePopupMenus(void)
{
    DestroyPopupMenus();
    BuildFileList();
    CreatePopupMenus();
}

/*
 * Position tool tip window so that it does not overlap with the mouse position
 * and does not spill out of the screen. If mouse location overlaps, NIM_POPUPCLOSE
 * and NIM_POPUPOPEN will trigger continuously.
 * Account for the possibility that the taskbar could be at the bottom, right, top
 * or left edge of the screen.
 *
 * On input (x, y) is the mouse position that triggered the display of tooltip
 */
static void
PositionTrayToolTip(LONG x, LONG y)
{
    RECT r;
    LONG cxmax = GetSystemMetrics(SM_CXSCREEN);
    LONG cymax = GetSystemMetrics(SM_CYSCREEN);
    APPBARDATA abd = {.cbSize = sizeof(APPBARDATA) };
    GetWindowRect(traytip, &r);
    LONG w = r.right - r.left;
    LONG h = r.bottom - r.top;
    /* - vertically, position the bottom of the window 10 pixels above y or top of the window
     *   10 pixels below y depending on whether we are closer to the bottom or top of the screen.
     * - horizontally, try to centre around x adjusting for overflow to the right or left
     */
    r.left = (x < w/2) ? 0 : ((x + w/2 < cxmax) ? x - w/2 : cxmax - w);
    r.top = (y > h + 10) ?  y - (h + 10) : y + 10;

    /* If taskbar is at top, move the top of the window to the bottom of the taskbar */
    if (SHAppBarMessage(ABM_GETTASKBARPOS, &abd)
        && (abd.rc.bottom < cymax/2))
    {
        r.top = abd.rc.bottom;
    }

    SendMessageW(traytip, TTM_TRACKPOSITION, 0, MAKELONG(r.left, r.top));
    SetWindowPos(traytip, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
}

/*
 * Handle mouse clicks on tray icon
 */
void
OnNotifyTray(LPARAM lParam)
{
    POINT pt;

    /* Use LOWORD(lParam)  as HIWORD() contains the icon id if uVersion >= 4 */
    switch (LOWORD(lParam))
    {
        case WM_RBUTTONUP:
            RecreatePopupMenus();

            GetCursorPos(&pt);
            SetForegroundWindow(o.hWnd);
            TrackPopupMenu(hMenu, TPM_RIGHTALIGN, pt.x, pt.y, 0, o.hWnd, NULL);
            PostMessage(o.hWnd, WM_NULL, 0, 0);
            break;

        case WM_LBUTTONDBLCLK:
        {
            int disconnected_conns = CountConnState(disconnected);

            RecreatePopupMenus();

            /* Start connection if only one config exist */
            if (o.num_configs == 1 && o.chead->state == disconnected)
            {
                StartOpenVPN(o.chead);
            }
            /* show the status window of all connected/connecting profiles upto a max of 10 */
            else if (disconnected_conns < o.num_configs)
            {
                int num_shown = 0;
                for (connection_t *c = o.chead; c; c = c->next)
                {
                    if (c->state != disconnected && c->hwndStatus)
                    {
                        ShowWindow(c->hwndStatus, SW_SHOW);
                        SetForegroundWindow(c->hwndStatus);
                        if (++num_shown >= 10)
                        {
                            break;
                        }
                    }
                }
            }
        }
        break;

        /* handle messages when mouse enters and leaves the icon -- we show the custom tooltip window */
        case NIN_POPUPOPEN:
            if (traytip)
            {
                NOTIFYICONIDENTIFIER nid = {.cbSize = sizeof(nid), .hWnd = o.hWnd,
                                            .uID = HIWORD(lParam), .guidItem = GUID_NULL};
                RECT r = {0};
                Shell_NotifyIconGetRect(&nid, &r);
                SendMessageW(traytip, TTM_TRACKACTIVATE, (WPARAM)TRUE, (LPARAM) &ti);
                PositionTrayToolTip((r.left+r.right)/2, r.top);
            }
            break;

        case NIN_POPUPCLOSE:
            if (traytip)
            {
                SendMessageW(traytip, TTM_TRACKACTIVATE, (WPARAM)FALSE, 0);
            }
            break;

        case WM_OVPN_RESCAN:
            /* Rescan config folders and recreate popup menus */
            RecreatePopupMenus();
            break;
    }
}

void
RemoveTrayIcon()
{
    if (ni.hWnd)
    {
        Shell_NotifyIcon(NIM_DELETE, &ni);
        CLEAR(ni);
    }
    if (traytip)
    {
        DestroyWindow(traytip);
        traytip = NULL;
    }
}

void
OnDestroyTray()
{
    DestroyMenu(hMenu);
    RemoveTrayIcon();
}

void
ShowTrayIcon()
{
    ni.cbSize = sizeof(ni);
    ni.uID = 0;
    ni.hWnd = o.hWnd;
    ni.uFlags = NIF_MESSAGE | NIF_TIP | NIF_ICON;
    ni.uCallbackMessage = WM_NOTIFYICONTRAY;
    ni.hIcon = LoadLocalizedSmallIcon(ID_ICO_DISCONNECTED);
    _tcsncpy(ni.szTip, _T(PACKAGE_NAME), _countof(_T(PACKAGE_NAME)));
    ni.uVersion = NOTIFYICON_VERSION_4;

    Shell_NotifyIcon(NIM_ADD, &ni);

    /* try to set version 4 and a custom tooltip window */
    if (Shell_NotifyIcon(NIM_SETVERSION, &ni))
    {
        /* create a custom tooltip for the tray */
        traytip = CreateWindowEx(0, TOOLTIPS_CLASS, NULL, WS_POPUP |TTS_ALWAYSTIP,
                                 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                                 o.hWnd, NULL, o.hInstance, NULL);
        if (!traytip) /* revert the version back so that we can use legacy ni.szTip for tip text */
        {
            ni.uVersion = 0;
            Shell_NotifyIcon(NIM_SETVERSION, &ni);
        }
    }

    if (traytip)
    {
        LONG cx = GetSystemMetrics(SM_CXSCREEN)/4; /* max width of tray tooltip = 25% of screen */
        ti.cbSize = sizeof(ti);
        ti.uId = (UINT_PTR) traytip;
        ti.uFlags = TTF_ABSOLUTE|TTF_TRACK|TTF_IDISHWND;
        if (LangFlowDirection() == 1)
        {
            ti.uFlags |= TTF_RTLREADING;
        }
        ti.hwnd = o.hWnd;
        ti.lpszText = _T(PACKAGE_NAME);
        SendMessage(traytip, TTM_ADDTOOL, 0, (LPARAM)&ti);
        SendMessage(traytip, TTM_SETMAXTIPWIDTH, 0, (LPARAM) cx);
    }
}

void
SetTrayIcon(conn_state_t state)
{
    WCHAR tip_msg[500];
    TCHAR msg_connected[100];
    TCHAR msg_connecting[100];
    BOOL first_conn;
    UINT icon_id;
    connection_t *cc = NULL; /* a connected config */

    _tcsncpy(msg_connected, LoadLocalizedString(IDS_TIP_CONNECTED), _countof(msg_connected));
    _tcsncpy(msg_connecting, LoadLocalizedString(IDS_TIP_CONNECTING), _countof(msg_connecting));

    wcsncpy_s(tip_msg, _countof(tip_msg), _T(PACKAGE_NAME), _TRUNCATE);
    first_conn = TRUE;
    for (connection_t *c = o.chead; c; c = c->next)
    {
        if (c->state == connected)
        {
            /* Append connection name to Icon Tip Msg */
            _tcsncat(tip_msg, (first_conn ? msg_connected : _T(", ")), _countof(tip_msg) - _tcslen(tip_msg) - 1);
            _tcsncat(tip_msg, c->config_name, _countof(tip_msg) - _tcslen(tip_msg) - 1);
            first_conn = FALSE;
            cc = c;
        }
    }

    first_conn = TRUE;
    for (connection_t *c = o.chead; c; c = c->next)
    {
        if (c->state == connecting || c->state == resuming || c->state == reconnecting)
        {
            /* Append connection name to Icon Tip Msg */
            _tcsncat(tip_msg, (first_conn ? msg_connecting : _T(", ")), _countof(tip_msg) - _tcslen(tip_msg) - 1);
            _tcsncat(tip_msg, c->config_name, _countof(tip_msg) - _tcslen(tip_msg) - 1);
            first_conn = FALSE;
        }
    }

    if (CountConnState(connected) == 1 && cc)
    {
        /* Append "Connected since and assigned IP" to message */
        TCHAR time[50];
        WCHAR ip[64];

        /* If there is not enough space in the message to add time and IP, truncate it.
         * This works only if custom tooltip window is in use.
         * Include about 50 characters for "Connected since:" and "Assigned IP:" prefixes.
         */
        size_t max_msglen = _countof(tip_msg) - (_countof(time) + _countof(ip) + 50);
        if (wcslen(tip_msg)  > max_msglen && traytip)
        {
            wcsncpy_s(&tip_msg[max_msglen-1], 2, L"…", _TRUNCATE);
        }

        LocalizedTime(cc->connected_since, time, _countof(time));
        _tcsncat(tip_msg, LoadLocalizedString(IDS_TIP_CONNECTED_SINCE), _countof(tip_msg) - _tcslen(tip_msg) - 1);
        _tcsncat(tip_msg, time, _countof(tip_msg) - _tcslen(tip_msg) - 1);

        /* concatenate ipv4 and ipv6 addresses into one string */
        wcs_concat2(ip, _countof(ip), cc->ip, cc->ipv6, L", ");
        WCHAR *assigned_ip = LoadLocalizedString(IDS_TIP_ASSIGNED_IP, ip);
        _tcsncat(tip_msg, assigned_ip, _countof(tip_msg) - _tcslen(tip_msg) - 1);
    }

    icon_id = ID_ICO_CONNECTING;
    if (state == connected)
    {
        icon_id = ID_ICO_CONNECTED;
    }
    else if (state == disconnected)
    {
        icon_id = ID_ICO_DISCONNECTED;
    }

    ni.cbSize = sizeof(ni);
    ni.uID = 0;
    ni.hWnd = o.hWnd;
    ni.hIcon = LoadLocalizedSmallIcon(icon_id);
    ni.uFlags = NIF_MESSAGE | NIF_ICON;
    ni.uCallbackMessage = WM_NOTIFYICONTRAY;

    if (traytip)
    {
        ti.lpszText = tip_msg;
        SendMessage(traytip, TTM_UPDATETIPTEXT, 0, (LPARAM) &ti);
    }
    else
    {
        wcsncpy_s(ni.szTip, _countof(ni.szTip), tip_msg, _TRUNCATE);
        ni.uFlags |= NIF_TIP;
    }

    Shell_NotifyIcon(NIM_MODIFY, &ni);
}


void
CheckAndSetTrayIcon()
{
    if (CountConnState(connected) != 0)
    {
        SetTrayIcon(connected);
    }
    else
    {
        if (CountConnState(connecting) != 0 || CountConnState(reconnecting) != 0
            ||  CountConnState(resuming) != 0)
        {
            SetTrayIcon(connecting);
        }
        else
        {
            SetTrayIcon(disconnected);
        }
    }
}


void
ShowTrayBalloon(TCHAR *infotitle_msg, TCHAR *info_msg)
{
    ni.cbSize = sizeof(ni);
    ni.uID = 0;
    ni.hWnd = o.hWnd;
    ni.uFlags = NIF_INFO;
    ni.uTimeout = 5000;
    ni.dwInfoFlags = NIIF_INFO;
    _tcsncpy(ni.szInfo, info_msg, _countof(ni.szInfo));
    _tcsncpy(ni.szInfoTitle, infotitle_msg, _countof(ni.szInfoTitle));

    Shell_NotifyIcon(NIM_MODIFY, &ni);
}


void
SetMenuStatus(connection_t *c, conn_state_t state)
{
    int checked = 0;
    int i = c->id;

    if (state == connected || state == disconnecting)
    {
        checked = 1;
    }
    else if (state != disconnected && state != detached && state != onhold)
    {
        checked = 2;
    }

    if (o.num_configs == 1)
    {
        if (state == disconnected || state == detached)
        {
            EnableMenuItem(hMenu, IDM_CONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenu, IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_RECONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_STATUSMENU, MF_GRAYED);
        }
        else if (state == connecting || state == resuming || state == connected)
        {
            EnableMenuItem(hMenu, IDM_CONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_DISCONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenu, IDM_RECONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenu, IDM_STATUSMENU, MF_ENABLED);
        }
        else if (state == disconnecting)
        {
            EnableMenuItem(hMenu, IDM_CONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_RECONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_STATUSMENU, MF_ENABLED);
        }
        else if (state == onhold)
        {
            EnableMenuItem(hMenu, IDM_CONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenu, IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenu, IDM_RECONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenu, IDM_STATUSMENU, MF_ENABLED);
        }
        if (c->flags & (FLAG_SAVE_AUTH_PASS | FLAG_SAVE_KEY_PASS))
        {
            EnableMenuItem(hMenu, IDM_CLEARPASSMENU, MF_ENABLED);
        }
        else
        {
            EnableMenuItem(hMenu, IDM_CLEARPASSMENU, MF_GRAYED);
        }
    }
    else
    {
        config_group_t *parent = &o.groups[0];
        int pos = c->pos;

        if (USE_NESTED_CONFIG_MENU && CONFIG_GROUP(c))
        {
            parent = CONFIG_GROUP(c);
        }
        else if (c->flags & FLAG_DAEMON_PERSISTENT)
        {
            parent = PERSISTENT_ROOT_GROUP;
        }

        if (checked == 1)
        {
            /* Connected: use system-default check mark */
            SetMenuItemBitmaps(parent->menu, pos,  MF_BYPOSITION, NULL, NULL);
        }
        else if (checked == 2)
        {
            /* Connecting: use our custom check mark */
            SetMenuItemBitmaps(parent->menu, pos,  MF_BYPOSITION, NULL, hbmpConnecting);
        }
        CheckMenuItem(parent->menu, pos, MF_BYPOSITION | (checked ? MF_CHECKED : MF_UNCHECKED));

        PrintDebug(L"Setting state of config %ls checked = %d, parent %ls, pos %d",
                   c->config_name, checked, (parent->id == 0) ? L"Main Menu" : L"SubMenu", pos);

        if (checked) /* also check all parent groups */
        {
            while (PARENT_GROUP(parent))
            {
                pos = parent->pos;
                parent = PARENT_GROUP(parent);
                CheckMenuItem(parent->menu, pos, MF_BYPOSITION | MF_CHECKED);
            }
        }

        if (state == disconnected || state == detached)
        {
            EnableMenuItem(hMenuConn[i], IDM_CONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenuConn[i], IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_RECONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_STATUSMENU, MF_GRAYED);
        }
        else if (state == connecting || state == resuming || state == connected)
        {
            EnableMenuItem(hMenuConn[i], IDM_CONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_DISCONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenuConn[i], IDM_RECONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenuConn[i], IDM_STATUSMENU, MF_ENABLED);
        }
        else if (state == disconnecting)
        {
            EnableMenuItem(hMenuConn[i], IDM_CONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_RECONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_STATUSMENU, MF_ENABLED);
        }
        else if (state == onhold)
        {
            EnableMenuItem(hMenuConn[i], IDM_CONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenuConn[i], IDM_DISCONNECTMENU, MF_GRAYED);
            EnableMenuItem(hMenuConn[i], IDM_RECONNECTMENU, MF_ENABLED);
            EnableMenuItem(hMenuConn[i], IDM_STATUSMENU, MF_ENABLED);
        }
        if (c->flags & (FLAG_SAVE_AUTH_PASS | FLAG_SAVE_KEY_PASS))
        {
            EnableMenuItem(hMenuConn[i], IDM_CLEARPASSMENU, MF_ENABLED);
        }
        else
        {
            EnableMenuItem(hMenuConn[i], IDM_CLEARPASSMENU, MF_GRAYED);
        }
    }
}