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  1. // window_opponents.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // window parameters
  7. #define WINDOW_CLASSNAME PROGRAM_NAME L" Opponents WndClass"
  8. #define WINDOW_DEFAULT_WIDTH 822
  9. #define WINDOW_DEFAULT_HEIGHT 600
  10. #define WINDOW_MIN_WIDTH 822
  11. #define WINDOW_MIN_HEIGHT 200
  12.  
  13.  
  14. // local definitions
  15. #define WINDOW_TEXT_DOUBLECLICKORNARROWDOWN 1
  16. #define WINDOW_TEXT_NAMECONTAINS 2
  17. #define WINDOW_EDITBOX_NAMECONTAINS 3
  18. #define WINDOW_TEXT_STATUSIS 4
  19. #define WINDOW_COMBOBOX_STATUSIS 5
  20. #define WINDOW_TEXT_LEVELFROM 6
  21. #define WINDOW_EDITBOX_LEVELFROM 7
  22. #define WINDOW_TEXT_LEVELTO 8
  23. #define WINDOW_EDITBOX_LEVELTO 9
  24. #define WINDOW_LIST_OPPONENTS 10
  25. #define WINDOW_TEXT_STATUSBAR 11
  26. #define WINDOW_TIMER_REFRESH 1
  27. #define TICKED_COLUMN_WIDTH 41
  28. #define STRING_FIDEGM ((wchar_t *) "G\x00M\x00 \x00\x42\x26\x00") // "GM " + male sign
  29. #define STRING_FIDEIM ((wchar_t *) "I\x00M\x00 \x00\x42\x26\x00") // "IM " + male sign
  30. #define STRING_FIDEWGM ((wchar_t *) "G\x00M\x00 \x00\x40\x26\x00") // "GM " + female sign
  31. #define STRING_FIDEWIM ((wchar_t *) "I\x00M\x00 \x00\x40\x26\x00") // "IM " + female sign
  32.  
  33.  
  34. // list view column definition
  35. typedef struct listviewcolumn_s
  36. {
  37.    int width;
  38.    int alignment;
  39.    bool sort_descending;
  40.    wchar_t *text;
  41.    HWND hToolTipWnd;
  42. } listviewcolumn_t;
  43.  
  44.  
  45. // global variables used in this module only
  46. static bool is_classregistered = false;
  47. static int listviewicons[sizeof (handlestatus) / sizeof (handlestatus_t)]; // as big as the handlestatus global array
  48. static listviewcolumn_t listviewcolumns[] =
  49. {
  50.    { 140, LVCFMT_LEFT, true, NULL /*LOCALIZE (L"Opponents_ColumnNickname")*/, NULL }, // text address needs to be set at runtime, because it's mallocated
  51.    { 60, LVCFMT_LEFT, false, NULL /*LOCALIZE (L"Opponents_ColumnFIDERank")*/, NULL },
  52.    { 120, LVCFMT_LEFT, false, NULL /*LOCALIZE (L"Opponents_ColumnStatus")*/, NULL },
  53.    { 60, LVCFMT_LEFT, false, NULL /*LOCALIZE (L"Opponents_ColumnRating")*/, NULL },
  54.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnComputer")*/, NULL },
  55.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnAdministrator")*/, NULL },
  56.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnBlindfold")*/, NULL },
  57.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnTeam")*/, NULL },
  58.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnChessAdvisor")*/, NULL },
  59.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnServiceRepresentative")*/, NULL },
  60.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnTournamentDirector")*/, NULL },
  61.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnMamerManager")*/, NULL },
  62.    { TICKED_COLUMN_WIDTH, LVCFMT_CENTER, false, NULL /*LOCALIZE (L"Opponents_ColumnUnregistered")*/, NULL },
  63. };
  64. static int current_sortcolumn = 0;
  65. static wchar_t window_title[256];
  66. static wchar_t opponent_namecontains[64];
  67. static wchar_t rating_string[64];
  68. //static HWND hThisWnd = NULL;
  69. #define hThisWnd hOpponentsWnd // shared variable
  70.  
  71.  
  72. // prototypes of local functions
  73. static LRESULT CALLBACK WindowProc_ThisWindow (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  74. static int CALLBACK CompareProc_ListOpponents (LPARAM lParam1, LPARAM lParam2, LPARAM column);
  75. static int WINAPI ListView_WndProc (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  76.  
  77.  
  78. void Window_Opponents (void)
  79. {
  80.    // helper function to fire up the child window
  81.  
  82.    WNDCLASSEX wc;
  83.    player_t *network_player;
  84.  
  85.    // is the window we want to display already displayed ?
  86.    if (IsWindow (hThisWnd))
  87.       SetForegroundWindow (hThisWnd); // if so, just bring it to front
  88.  
  89.    // else the way is clear
  90.    else
  91.    {
  92.       // find the network player and make him ask an update from the server
  93.       if ((network_player = Player_FindByType (PLAYER_INTERNET)) != NULL)
  94.       {
  95.          SAFE_free ((void **) &onlineplayers); // free the online players list we know
  96.          onlineplayer_count = -1; // and reset its count (-1 means "reply not arrived")
  97.          Player_SendBuffer_Add (network_player, 1000, L"who\n"); // send the players update request
  98.       }
  99.  
  100.       // is the window class NOT registered yet ?
  101.       if (!is_classregistered)
  102.       {
  103.          // if so, register the window class once and for all
  104.          memset (&wc, 0, sizeof (wc));
  105.          wc.cbSize = sizeof (wc);
  106.          wc.style = CS_HREDRAW | CS_VREDRAW;
  107.          wc.lpfnWndProc = WindowProc_ThisWindow;
  108.          wc.hInstance = hAppInstance;
  109.          wc.hIcon = LoadIcon (hAppInstance, (wchar_t *) ICON_MAIN);
  110.          wc.hCursor = LoadCursor (NULL, IDC_ARROW);
  111.          wc.hbrBackground = GetSysColorBrush (COLOR_3DFACE);
  112.          wc.lpszClassName = WINDOW_CLASSNAME;
  113.          RegisterClassEx (&wc);
  114.  
  115.          is_classregistered = true; // remember this window class is registered
  116.       }
  117.  
  118.       // create the child window
  119.       hThisWnd = CreateWindowEx (WS_EX_CLIENTEDGE, WINDOW_CLASSNAME, LOCALIZE (L"Opponents_TitleBuildingList"), WS_OVERLAPPEDWINDOW,
  120.                                  CW_USEDEFAULT, CW_USEDEFAULT, WINDOW_DEFAULT_WIDTH, WINDOW_DEFAULT_HEIGHT,
  121.                                  hMainWnd, NULL, hAppInstance, NULL);
  122.    }
  123.  
  124.    return; // return as soon as the thread is fired up
  125. }
  126.  
  127.  
  128. void Window_Opponents_Validated (void)
  129. {
  130.    // callback function called by the main game thread when the window is validated
  131.  
  132.    // remember this callback is no longer to be called
  133.    is_window_opponents_validated = false;
  134.  
  135.    return; // finished
  136. }
  137.  
  138.  
  139. static LRESULT CALLBACK WindowProc_ThisWindow (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  140. {
  141.    // message handler for the child window
  142.  
  143.    unsigned short wParam_hiword;
  144.    unsigned short wParam_loword;
  145.    int opponent_statusis;
  146.    int opponent_ratingfrom;
  147.    int opponent_ratingto;
  148.    int result;
  149.    HWND hListWnd;
  150.    LVCOLUMN lvc;
  151.    LVITEM lvi;
  152.    HDITEM hdi;
  153.    NMLISTVIEW *lv;
  154.    NMITEMACTIVATE *clickeditem;
  155.    HIMAGELIST imagelist;
  156.    MINMAXINFO *minmax;
  157.    RECT client_rect;
  158.    onlineplayer_t *onlineplayer;
  159.    player_t *local_player;
  160.    int onlineplayer_index;
  161.    int column_index;
  162.    int insert_index;
  163.    int displayed_count;
  164.  
  165.    // filter out the commonly used message values
  166.    wParam_hiword = HIWORD (wParam);
  167.    wParam_loword = LOWORD (wParam);
  168.  
  169.    // have we just fired up this window ?
  170.    if (message == WM_CREATE)
  171.    {
  172.       // center the window
  173.       CenterWindow (hWnd, hMainWnd);
  174.  
  175.       // populate the window
  176.       CreateWindowEx (0, L"static", L"",
  177.                       WS_CHILD | WS_VISIBLE,
  178.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_DOUBLECLICKORNARROWDOWN, hAppInstance, NULL);
  179.       CreateWindowEx (WS_EX_RIGHT, L"static", L"",
  180.                       WS_CHILD | WS_VISIBLE,
  181.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_NAMECONTAINS, hAppInstance, NULL);
  182.       CreateWindowEx (WS_EX_CLIENTEDGE, L"edit", L"",
  183.                       WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL,
  184.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_EDITBOX_NAMECONTAINS, hAppInstance, NULL);
  185.       CreateWindowEx (WS_EX_RIGHT, L"static", L"",
  186.                       WS_CHILD | WS_VISIBLE,
  187.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_STATUSIS, hAppInstance, NULL);
  188.       CreateWindowEx (WS_EX_CLIENTEDGE, L"combobox", L"",
  189.                       WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST,
  190.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_COMBOBOX_STATUSIS, hAppInstance, NULL);
  191.       CreateWindowEx (WS_EX_RIGHT, L"static", L"",
  192.                       WS_CHILD | WS_VISIBLE,
  193.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_LEVELFROM, hAppInstance, NULL);
  194.       CreateWindowEx (WS_EX_CLIENTEDGE, L"edit", L"",
  195.                       WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | SS_CENTERIMAGE,
  196.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_EDITBOX_LEVELFROM, hAppInstance, NULL);
  197.       CreateWindowEx (WS_EX_RIGHT, L"static", L"",
  198.                       WS_CHILD | WS_VISIBLE,
  199.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_LEVELTO, hAppInstance, NULL);
  200.       CreateWindowEx (WS_EX_CLIENTEDGE, L"edit", L"",
  201.                       WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | SS_CENTERIMAGE,
  202.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_EDITBOX_LEVELTO, hAppInstance, NULL);
  203.       CreateWindowEx (WS_EX_STATICEDGE, L"syslistview32", L"",
  204.                       WS_CHILD | WS_VISIBLE | WS_TABSTOP | LVS_REPORT | LVS_SINGLESEL | LVS_SHOWSELALWAYS | LVS_ALIGNLEFT,
  205.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_LIST_OPPONENTS, hAppInstance, NULL);
  206.       CreateWindowEx (WS_EX_RIGHT, L"static", L"",
  207.                       WS_CHILD | WS_VISIBLE,
  208.                       0, 0, 0, 0, hWnd, (HMENU) WINDOW_TEXT_STATUSBAR, hAppInstance, NULL);
  209.  
  210.       // prepare the list view : do it before anything that could trigger a fill
  211.  
  212.       // get a quick access to the list control
  213.       hListWnd = GetDlgItem (hWnd, WINDOW_LIST_OPPONENTS);
  214.  
  215.       // add full row select and header columns rearranging to it
  216.       ListView_SetExtendedListViewStyle (hListWnd, ListView_GetExtendedListViewStyle (hListWnd)
  217.                                                    | LVS_EX_GRIDLINES | LVS_EX_LABELTIP
  218.                                                    | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
  219.  
  220.       // subclass the list view procedure to handle header tooltips and save the old procedure as one of the window's property
  221.       SetProp (hListWnd, L"BaseWndProc", (HANDLE) SetWindowLongPtr (hListWnd, GWL_WNDPROC, (long) ListView_WndProc));
  222.  
  223.       // tell Windows which members of the LVCOLUMN structure we're filling
  224.       memset (&lvc, 0, sizeof (lvc));
  225.       lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
  226.       for (column_index = 0; column_index < sizeof (listviewcolumns) / sizeof (listviewcolumn_t); column_index++)
  227.       {
  228.          lvc.iSubItem = column_index;
  229.          if (column_index == 0) lvc.pszText = LOCALIZE (L"Opponents_ColumnNickname");
  230.          else if (column_index == 1) lvc.pszText = LOCALIZE (L"Opponents_ColumnFIDERank");
  231.          else if (column_index == 2) lvc.pszText = LOCALIZE (L"Opponents_ColumnStatus");
  232.          else if (column_index == 3) lvc.pszText = LOCALIZE (L"Opponents_ColumnRating");
  233.          else if (column_index == 4) lvc.pszText = LOCALIZE (L"Opponents_ColumnComputer");
  234.          else if (column_index == 5) lvc.pszText = LOCALIZE (L"Opponents_ColumnAdministrator");
  235.          else if (column_index == 6) lvc.pszText = LOCALIZE (L"Opponents_ColumnBlindfold");
  236.          else if (column_index == 7) lvc.pszText = LOCALIZE (L"Opponents_ColumnTeam");
  237.          else if (column_index == 8) lvc.pszText = LOCALIZE (L"Opponents_ColumnChessAdvisor");
  238.          else if (column_index == 9) lvc.pszText = LOCALIZE (L"Opponents_ColumnServiceRepresentative");
  239.          else if (column_index == 10) lvc.pszText = LOCALIZE (L"Opponents_ColumnTournamentDirector");
  240.          else if (column_index == 11) lvc.pszText = LOCALIZE (L"Opponents_ColumnMamerManager");
  241.          else if (column_index == 12) lvc.pszText = LOCALIZE (L"Opponents_ColumnUnregistered");
  242.          lvc.cx = listviewcolumns[column_index].width;
  243.          lvc.fmt = listviewcolumns[column_index].alignment;
  244.          ListView_InsertColumn (hListWnd, column_index, &lvc); // add each column to list view
  245.       }
  246.  
  247.       // create the listview image list
  248.       imagelist = ImageList_Create (16, 16, ILC_COLOR32, sizeof (handlestatus) / sizeof (handlestatus_t), 1); // create an imagelist holding N 32-bit images
  249.       for (insert_index = 1; insert_index < sizeof (handlestatus) / sizeof (handlestatus_t); insert_index++)
  250.          listviewicons[insert_index] = ImageList_AddIcon (imagelist, handlestatus[insert_index].icon); // add our icons in the image list
  251.       ListView_SetImageList (hListWnd, imagelist, LVSIL_SMALL); // associate it with the listview
  252.  
  253.       // associate the default GUI font with the "double-click or narrow down" message and set its text
  254.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_DOUBLECLICKORNARROWDOWN), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  255.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_DOUBLECLICKORNARROWDOWN), LOCALIZE (L"Opponents_DoubleClickOrNarrowDown"));
  256.  
  257.       // associate the default GUI font with the "name contains" message and set its text
  258.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_NAMECONTAINS), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  259.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_NAMECONTAINS), LOCALIZE (L"Opponents_NameContains"));
  260.  
  261.       // associate the default GUI font with the "name contains" edit box and reset it
  262.       SendMessage (GetDlgItem (hWnd, WINDOW_EDITBOX_NAMECONTAINS), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  263.       SetDlgItemText (hWnd, WINDOW_EDITBOX_NAMECONTAINS, L"");
  264.  
  265.       // associate the default GUI font with the "status is" message and set its text
  266.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_STATUSIS), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  267.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_STATUSIS), LOCALIZE (L"Opponents_StatusIs"));
  268.  
  269.       // associate the default GUI font with the "status is" combo box and populate the combo box
  270.       SendMessage (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  271.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), L"");
  272.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusInGame"));
  273.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusInSimulation"));
  274.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusInTournament"));
  275.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusExaminingAGame"));
  276.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusNotOpenForAMatch"));
  277.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusInactiveOrBusy"));
  278.       ComboBox_AddString (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), LOCALIZE (L"Opponents_StatusAvailable"));
  279.  
  280.       // associate the default GUI font with the "level from" message and set its text
  281.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_LEVELFROM), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  282.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_LEVELFROM), LOCALIZE (L"Opponents_LevelFrom"));
  283.  
  284.       // associate the default GUI font with the "level from" edit box and reset it
  285.       SendMessage (GetDlgItem (hWnd, WINDOW_EDITBOX_LEVELFROM), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  286.       SetDlgItemText (hWnd, WINDOW_EDITBOX_LEVELFROM, L"");
  287.  
  288.       // associate the default GUI font with the "level to" message and set its text
  289.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_LEVELTO), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  290.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_LEVELTO), LOCALIZE (L"Opponents_LevelTo"));
  291.  
  292.       // associate the default GUI font with the "level to" edit box and reset it
  293.       SendMessage (GetDlgItem (hWnd, WINDOW_EDITBOX_LEVELTO), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  294.       SetDlgItemText (hWnd, WINDOW_EDITBOX_LEVELTO, L"");
  295.  
  296.       // associate the default GUI font with the status bar and set its text
  297.       SendMessage (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), WM_SETFONT, (WPARAM) GetStockObject (DEFAULT_GUI_FONT), false);
  298.       SetWindowText (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), LOCALIZE (L"Opponents_StatusBar"));
  299.  
  300.       // refresh the window every second
  301.       SetTimer (hWnd, WINDOW_TIMER_REFRESH, 1000, NULL);
  302.  
  303.       // convert the status bar message to a hyperlink
  304.       ConvertStaticToHyperlink (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR));
  305.  
  306.       // now show the window
  307.       ShowWindow (hWnd, SW_SHOW);
  308.  
  309.       // and send focus to the player name filter field (note: GetDlgItem works ALSO with windows! MSDN certified :))
  310.       if (GetForegroundWindow () == hWnd)
  311.          SetFocus (GetDlgItem (hWnd, WINDOW_EDITBOX_NAMECONTAINS));
  312.  
  313.       return (0); // as MSDN says
  314.    }
  315.  
  316.    // else did we click the close button on the title bar ?
  317.    else if (message == WM_CLOSE)
  318.    {
  319.       DestroyWindow (hWnd); // close the window
  320.       return (0); // as MSDN says
  321.    }
  322.  
  323.    // else are we destroying this window ?
  324.    else if (message == WM_DESTROY)
  325.    {
  326.       KillTimer (hWnd, WINDOW_TIMER_REFRESH); // destroy the timer we used to refresh the window
  327.       hThisWnd = NULL; // window is closed
  328.       SetForegroundWindow (hMainWnd); // restore focus on the main window
  329.       is_window_opponents_validated = true; // remember we closed this window
  330.       the_board.reevaluate = true; // refresh the GUI buttons if needed
  331.       return (0); // as MSDN says
  332.    }
  333.  
  334.    // else are we resizing the window ?
  335.    else if (message == WM_SIZE)
  336.    {
  337.       // get the new window size
  338.       GetClientRect (hWnd, &client_rect);
  339.  
  340.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_DOUBLECLICKORNARROWDOWN), NULL, 16, 16, client_rect.right - 32, 16, SWP_NOZORDER);
  341.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_NAMECONTAINS), NULL, 16, 40, 136, 16, SWP_NOZORDER);
  342.       SetWindowPos (GetDlgItem (hWnd, WINDOW_EDITBOX_NAMECONTAINS), NULL, 160, 38, 128, 20, SWP_NOZORDER);
  343.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_STATUSIS), NULL, 288, 40, 88, 16, SWP_NOZORDER);
  344.       SetWindowPos (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS), NULL, 384, 38, 128, 20, SWP_NOZORDER);
  345.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_LEVELFROM), NULL, 512, 40, 120, 16, SWP_NOZORDER);
  346.       SetWindowPos (GetDlgItem (hWnd, WINDOW_EDITBOX_LEVELFROM), NULL, 640, 38, 48, 20, SWP_NOZORDER);
  347.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_LEVELTO), NULL, 688, 40, 40, 16, SWP_NOZORDER);
  348.       SetWindowPos (GetDlgItem (hWnd, WINDOW_EDITBOX_LEVELTO), NULL, 736, 38, 48, 20, SWP_NOZORDER);
  349.       SetWindowPos (GetDlgItem (hWnd, WINDOW_LIST_OPPONENTS), NULL, 16, 64, client_rect.right - 32, client_rect.bottom - 80, SWP_NOZORDER);
  350.       SetWindowPos (GetDlgItem (hWnd, WINDOW_TEXT_STATUSBAR), NULL, 0, client_rect.bottom - 16, client_rect.right, 16, SWP_NOZORDER);
  351.  
  352.       return (0); // as MSDN says
  353.    }
  354.  
  355.    // else are we asking how big/small we can resize ?
  356.    else if (message == WM_GETMINMAXINFO)
  357.    {
  358.       minmax = (MINMAXINFO *) lParam; // get a pointer to the min/max info structure
  359.  
  360.       minmax->ptMinTrackSize.x = WINDOW_MIN_WIDTH;
  361.       minmax->ptMinTrackSize.y = WINDOW_MIN_HEIGHT;
  362.  
  363.       return (0); // as MSDN says
  364.    }
  365.  
  366.    // else is it a timer event AND is it our refresh timer ?
  367.    else if ((message == WM_TIMER) && (wParam == WINDOW_TIMER_REFRESH))
  368.    {
  369.       // do we need to update the opponents list ?
  370.       if (onlineplayers_updated)
  371.       {
  372.          hListWnd = GetDlgItem (hWnd, WINDOW_LIST_OPPONENTS); // get a quick access to the list control
  373.  
  374.          // grab the different filters
  375.          GetDlgItemText (hWnd, WINDOW_EDITBOX_NAMECONTAINS, opponent_namecontains, WCHAR_SIZEOF (opponent_namecontains));
  376.          opponent_statusis = ComboBox_GetCurSel (GetDlgItem (hWnd, WINDOW_COMBOBOX_STATUSIS));
  377.          opponent_ratingfrom = GetDlgItemInt (hWnd, WINDOW_EDITBOX_LEVELFROM, &result, false);
  378.          opponent_ratingto = GetDlgItemInt (hWnd, WINDOW_EDITBOX_LEVELTO, &result, false);
  379.          if (result == 0)
  380.             opponent_ratingto = 9999; // if we couldn't read a number, set the default value
  381.  
  382.          // populate the list control
  383.          ListView_DeleteAllItems (hListWnd); // start by emptying it first
  384.          displayed_count = 0;
  385.  
  386.          // tell Windows which members of the LVCOLUMN structure we're filling
  387.          memset (&lvi, 0, sizeof (lvi));
  388.          lvi.mask = LVIF_IMAGE | LVIF_PARAM; // we want to set the image and the item's pointer
  389.          for (onlineplayer_index = 0; onlineplayer_index < onlineplayer_count; onlineplayer_index++)
  390.          {
  391.             onlineplayer = &onlineplayers[onlineplayer_index]; // quick access to online player
  392.  
  393.             // should item be skipped because of its name ?
  394.             if ((opponent_namecontains[0] != 0) && (wcsistr (onlineplayer->nickname, opponent_namecontains) == NULL))
  395.                continue; // if so, skip it
  396.  
  397.             // should item be skipped because of its status ?
  398.             if ((opponent_statusis == 1) && (onlineplayer->handlestatus != HANDLESTATUS_INGAME))
  399.                continue; // if so, skip it
  400.             else if ((opponent_statusis == 2) && (onlineplayer->handlestatus != HANDLESTATUS_INSIMULATION))
  401.                continue; // if so, skip it
  402.             else if ((opponent_statusis == 3) && (onlineplayer->handlestatus != HANDLESTATUS_INTOURNAMENT))
  403.                continue; // if so, skip it
  404.             else if ((opponent_statusis == 4) && (onlineplayer->handlestatus != HANDLESTATUS_EXAMININGAGAME))
  405.                continue; // if so, skip it
  406.             else if ((opponent_statusis == 5) && (onlineplayer->handlestatus != HANDLESTATUS_NOTOPENFORAMATCH))
  407.                continue; // if so, skip it
  408.             else if ((opponent_statusis == 6) && (onlineplayer->handlestatus != HANDLESTATUS_INACTIVEORBUSY))
  409.                continue; // if so, skip it
  410.             else if ((opponent_statusis == 7) && (onlineplayer->handlestatus != HANDLESTATUS_AVAILABLE))
  411.                continue; // if so, skip it
  412.  
  413.             // should it be skipped because of its rating (low value) ?
  414.             if (onlineplayer->rating < opponent_ratingfrom)
  415.                continue; // if so, skip it
  416.             else if (onlineplayer->rating > opponent_ratingto)
  417.                continue; // if so, skip it
  418.  
  419.             // first, attach the right structure to this item
  420.             lvi.lParam = (LPARAM) onlineplayer;
  421.  
  422.             // set item's image and name
  423.             lvi.iItem = onlineplayer_index;
  424.             lvi.iImage = listviewicons[onlineplayer->handlestatus];
  425.             insert_index = ListView_InsertItem (hListWnd, &lvi); // add each item to list view
  426.  
  427.             // set item's substrings
  428.  
  429.             // nickname
  430.             ListView_SetItemText (hListWnd, insert_index, 0, onlineplayer->nickname);
  431.  
  432.             // FIDE rank
  433.             if (onlineplayer->handlecodes & HANDLECODE_FIDEGREATMASTER)
  434.                ListView_SetItemText (hListWnd, insert_index, 1, STRING_FIDEGM)
  435.             else if (onlineplayer->handlecodes & HANDLECODE_FIDEINTERNATIONALMASTER)
  436.                ListView_SetItemText (hListWnd, insert_index, 1, STRING_FIDEIM)
  437.             else if (onlineplayer->handlecodes & HANDLECODE_FIDEMASTER)
  438.                ListView_SetItemText (hListWnd, insert_index, 1, L"M")
  439.             else if (onlineplayer->handlecodes & HANDLECODE_FIDEWOMENSGREATMASTER)
  440.                ListView_SetItemText (hListWnd, insert_index, 1, STRING_FIDEWGM)
  441.             else if (onlineplayer->handlecodes & HANDLECODE_FIDEWOMENSINTERNATIONALMASTER)
  442.                ListView_SetItemText (hListWnd, insert_index, 1, STRING_FIDEWIM)
  443.  
  444.             // status
  445.             ListView_SetItemText (hListWnd, insert_index, 2, handlestatus[onlineplayer->handlestatus].text)
  446.  
  447.             // rating
  448.             if (onlineplayer->ratingtype == OPPONENTRATINGTYPE_ESTIMATED)
  449.                swprintf_s (rating_string, WCHAR_SIZEOF (rating_string), L"%d (est.)", onlineplayer->rating);
  450.             else if (onlineplayer->ratingtype == OPPONENTRATINGTYPE_PROVISIONAL)
  451.                swprintf_s (rating_string, WCHAR_SIZEOF (rating_string), L"%d (prov.)", onlineplayer->rating);
  452.             else
  453.                swprintf_s (rating_string, WCHAR_SIZEOF (rating_string), L"%d", onlineplayer->rating);
  454.             ListView_SetItemText (hListWnd, insert_index, 3, rating_string);
  455.  
  456.             // characteristics coulumns
  457.             if (onlineplayer->handlecodes & HANDLECODE_COMPUTER)
  458.                ListView_SetItemText (hListWnd, insert_index, 4, L"×");
  459.             if (onlineplayer->handlecodes & HANDLECODE_ADMINISTRATOR)
  460.                ListView_SetItemText (hListWnd, insert_index, 5, L"×");
  461.             if (onlineplayer->handlecodes & HANDLECODE_BLINDFOLD)
  462.                ListView_SetItemText (hListWnd, insert_index, 6, L"×");
  463.             if (onlineplayer->handlecodes & HANDLECODE_TEAM)
  464.                ListView_SetItemText (hListWnd, insert_index, 7, L"×");
  465.             if (onlineplayer->handlecodes & HANDLECODE_CHESSADVISOR)
  466.                ListView_SetItemText (hListWnd, insert_index, 8, L"×");
  467.             if (onlineplayer->handlecodes & HANDLECODE_SERVICEREPRESENTATIVE)
  468.                ListView_SetItemText (hListWnd, insert_index, 9, L"×");
  469.             if (onlineplayer->handlecodes & HANDLECODE_TOURNAMENTDIRECTOR)
  470.                ListView_SetItemText (hListWnd, insert_index, 10, L"×");
  471.             if (onlineplayer->handlecodes & HANDLECODE_MAMERMANAGER)
  472.                ListView_SetItemText (hListWnd, insert_index, 11, L"×");
  473.             if (onlineplayer->handlecodes & HANDLECODE_UNREGISTERED)
  474.                ListView_SetItemText (hListWnd, insert_index, 12, L"×");
  475.  
  476.             displayed_count++; // we displayed now one player more
  477.          }
  478.  
  479.          // now sort the list view according to the column we selected and its current sort order
  480.          ListView_SortItems (hListWnd, CompareProc_ListOpponents, current_sortcolumn);
  481.  
  482.          // cycle through all columns and reset their sort order
  483.          for (column_index = 0; column_index < sizeof (listviewcolumns) / sizeof (listviewcolumn_t); column_index++)
  484.          {
  485.             memset (&hdi, 0, sizeof (hdi));
  486.             hdi.mask = HDI_FORMAT;
  487.             Header_GetItem (ListView_GetHeader (hListWnd), column_index, &hdi); // get the column's sort arrow state
  488.             hdi.fmt &= ~(HDF_SORTDOWN | HDF_SORTUP);
  489.             if (column_index == current_sortcolumn)
  490.                hdi.fmt |= (listviewcolumns[column_index].sort_descending ? HDF_SORTDOWN : HDF_SORTUP);
  491.             Header_SetItem (ListView_GetHeader (hListWnd), column_index, &hdi); // update the column's sort arrow state
  492.          }
  493.  
  494.          // now that the display is finished, IF the reply is arrived, set the totals in the window title
  495.          if (onlineplayer_count >= 0)
  496.          {
  497.             swprintf_s (window_title, WCHAR_SIZEOF (window_title), LOCALIZE (L"Opponents_Title"), onlineplayer_count, displayed_count);
  498.             SetWindowText (hWnd, window_title);
  499.          }
  500.  
  501.          onlineplayers_updated = false; // remember we updated the list (don't do it twice)
  502.       }
  503.  
  504.       return (0); // as MSDN says
  505.    }
  506.  
  507.    // is it a list view message ?
  508.    else if ((message == WM_NOTIFY) && (wParam == WINDOW_LIST_OPPONENTS))
  509.    {
  510.       lv = (NMLISTVIEW *) lParam; // quick access to list view
  511.  
  512.       // is it a click on one of the headers' columns ?
  513.       if (lv->hdr.code == LVN_COLUMNCLICK)
  514.       {
  515.          // cycle through all columns and reset their sort order
  516.          for (column_index = 0; column_index < sizeof (listviewcolumns) / sizeof (listviewcolumn_t); column_index++)
  517.          {
  518.             memset (&hdi, 0, sizeof (hdi));
  519.             hdi.mask = HDI_FORMAT;
  520.             Header_GetItem (ListView_GetHeader (lv->hdr.hwndFrom), column_index, &hdi); // get the column's sort arrow state
  521.             hdi.fmt &= ~(HDF_SORTDOWN | HDF_SORTUP);
  522.             if (column_index == lv->iSubItem)
  523.             {
  524.                listviewcolumns[column_index].sort_descending ^= true; // revert the sort order for the clicked column
  525.                hdi.fmt |= (listviewcolumns[column_index].sort_descending ? HDF_SORTDOWN : HDF_SORTUP);
  526.                current_sortcolumn = column_index; // save the current sort column
  527.             }
  528.             else
  529.                listviewcolumns[column_index].sort_descending = false; // reset the sort order for all the other ones
  530.             Header_SetItem (ListView_GetHeader (lv->hdr.hwndFrom), column_index, &hdi); // update the column's sort arrow state
  531.          }
  532.  
  533.          // now sort the list view according to the column we selected and its current sort order
  534.          ListView_SortItems (lv->hdr.hwndFrom, CompareProc_ListOpponents, lv->iSubItem);
  535.       }
  536.  
  537.       // else is it a double-click on one of the elements ?
  538.       else if (lv->hdr.code == NM_DBLCLK)
  539.       {
  540.          clickeditem = (NMITEMACTIVATE *) lParam; // get the item it is
  541.  
  542.          // is it valid ?
  543.          if (clickeditem->iItem != -1)
  544.          {
  545.             // get which item it is in the listview data
  546.             memset (&lvi, 0, sizeof (lvi));
  547.             lvi.iItem = clickeditem->iItem;
  548.             lvi.mask = LVIF_PARAM;
  549.             ListView_GetItem (lv->hdr.hwndFrom, &lvi);
  550.  
  551.             onlineplayer = (onlineplayer_t *) lvi.lParam; // get the online player it is
  552.  
  553.             local_player = Player_FindByType (PLAYER_HUMAN); // find the local player
  554.  
  555.             // is it NOT ourselves ? if so, find or create an interlocutor structure for this cc member
  556.             if ((local_player != NULL) && (wcscmp (onlineplayer->nickname, local_player->name) != 0))
  557.                Interlocutor_FindOrCreate (onlineplayer->nickname);
  558.             else
  559.                PlayerCard_FindOrCreate (onlineplayer->nickname); // else just display his player card
  560.          }
  561.       }
  562.  
  563.       return (0); // as MSDN says
  564.    }
  565.  
  566.    // else did we take action on one of the controls ?
  567.    else if (message == WM_COMMAND)
  568.    {
  569.       // was the name edit box changed ?
  570.       if ((wParam_loword == WINDOW_EDITBOX_NAMECONTAINS) && (wParam_hiword == EN_CHANGE))
  571.       {
  572.          onlineplayers_updated = true; // remember online player list is to be updated
  573.          SendMessage (hWnd, WM_TIMER, WINDOW_TIMER_REFRESH, NULL); // refresh window now
  574.       }
  575.  
  576.       // else was the filter combo box changed ?
  577.       else if ((wParam_loword == WINDOW_COMBOBOX_STATUSIS) && (wParam_hiword == CBN_SELCHANGE))
  578.       {
  579.          onlineplayers_updated = true; // remember online player list is to be updated
  580.          SendMessage (hWnd, WM_TIMER, WINDOW_TIMER_REFRESH, NULL); // refresh window now
  581.       }
  582.  
  583.       // else was either of the rating edit box changed ?
  584.       else if ((wParam_loword == WINDOW_EDITBOX_LEVELFROM) && (wParam_hiword == EN_CHANGE))
  585.       {
  586.          onlineplayers_updated = true; // remember online player list is to be updated
  587.          SendMessage (hWnd, WM_TIMER, WINDOW_TIMER_REFRESH, NULL); // refresh window now
  588.       }
  589.       else if ((wParam_loword == WINDOW_EDITBOX_LEVELTO) && (wParam_hiword == EN_CHANGE))
  590.       {
  591.          onlineplayers_updated = true; // remember online player list is to be updated
  592.          SendMessage (hWnd, WM_TIMER, WINDOW_TIMER_REFRESH, NULL); // refresh window now
  593.       }
  594.  
  595.       // else was it the status bar hyperlink ?
  596.       else if (wParam_loword == WINDOW_TEXT_STATUSBAR)
  597.          ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the donation page in the default browser, maximized
  598.  
  599.       return (0); // as MSDN says
  600.    }
  601.  
  602.    // call the default window message processing function to keep things going
  603.    return (DefWindowProc (hWnd, message, wParam, lParam));
  604. }
  605.  
  606.  
  607. static int CALLBACK CompareProc_ListOpponents (LPARAM lParam1, LPARAM lParam2, LPARAM column)
  608. {
  609.    // callback function that tells whether the lParam1 listview element comes before lParam2 in the
  610.    // sort order of the specified column
  611.  
  612.    wchar_t *string_to_compare1;
  613.    wchar_t *string_to_compare2;
  614.  
  615.    // nickname
  616.    if (column == 0)
  617.    {
  618.       string_to_compare1 = ((onlineplayer_t *) lParam1)->nickname;
  619.       string_to_compare2 = ((onlineplayer_t *) lParam2)->nickname;
  620.    }
  621.  
  622.    // FIDE rank
  623.    else if (column == 1)
  624.    {
  625.       if (((onlineplayer_t *) lParam1)->handlecodes & HANDLECODE_FIDEGREATMASTER)
  626.          string_to_compare1 = STRING_FIDEGM;
  627.       else if (((onlineplayer_t *) lParam1)->handlecodes & HANDLECODE_FIDEINTERNATIONALMASTER)
  628.          string_to_compare1 = STRING_FIDEIM;
  629.       else if (((onlineplayer_t *) lParam1)->handlecodes & HANDLECODE_FIDEMASTER)
  630.          string_to_compare1 = L"M";
  631.       else if (((onlineplayer_t *) lParam1)->handlecodes & HANDLECODE_FIDEWOMENSGREATMASTER)
  632.          string_to_compare1 = STRING_FIDEWGM;
  633.       else if (((onlineplayer_t *) lParam1)->handlecodes & HANDLECODE_FIDEWOMENSINTERNATIONALMASTER)
  634.          string_to_compare1 = STRING_FIDEWIM;
  635.       else
  636.          string_to_compare1 = L"";
  637.  
  638.       if (((onlineplayer_t *) lParam2)->handlecodes & HANDLECODE_FIDEGREATMASTER)
  639.          string_to_compare2 = STRING_FIDEGM;
  640.       else if (((onlineplayer_t *) lParam2)->handlecodes & HANDLECODE_FIDEINTERNATIONALMASTER)
  641.          string_to_compare2 = STRING_FIDEIM;
  642.       else if (((onlineplayer_t *) lParam2)->handlecodes & HANDLECODE_FIDEMASTER)
  643.          string_to_compare2 = L"M";
  644.       else if (((onlineplayer_t *) lParam2)->handlecodes & HANDLECODE_FIDEWOMENSGREATMASTER)
  645.          string_to_compare2 = STRING_FIDEWGM;
  646.       else if (((onlineplayer_t *) lParam2)->handlecodes & HANDLECODE_FIDEWOMENSINTERNATIONALMASTER)
  647.          string_to_compare2 = STRING_FIDEWIM;
  648.       else
  649.          string_to_compare2 = L"";
  650.    }
  651.  
  652.    // status
  653.    else if (column == 2)
  654.    {
  655.       string_to_compare1 = handlestatus[((onlineplayer_t *) lParam1)->handlestatus].text;
  656.       string_to_compare2 = handlestatus[((onlineplayer_t *) lParam2)->handlestatus].text;
  657.    }
  658.  
  659.    // FIDE rating
  660.    else if (column == 3)
  661.    {
  662.       if (listviewcolumns[column].sort_descending)
  663.          return (((onlineplayer_t *) lParam1)->rating <= ((onlineplayer_t *) lParam2)->rating);
  664.       else
  665.          return (((onlineplayer_t *) lParam1)->rating >= ((onlineplayer_t *) lParam2)->rating);
  666.    }
  667.  
  668. #define ELSE_IF_COLUMN_SORT_BY_FLAG(col,flag) \
  669.    else if (column == (col)) \
  670.    { \
  671.       string_to_compare1 = (((onlineplayer_t *) lParam1)->handlecodes & (flag) ? L"×" : L" "); \
  672.       string_to_compare2 = (((onlineplayer_t *) lParam2)->handlecodes & (flag) ? L"×" : L" "); \
  673.    }
  674.  
  675.    ELSE_IF_COLUMN_SORT_BY_FLAG (4, HANDLECODE_COMPUTER)
  676.    ELSE_IF_COLUMN_SORT_BY_FLAG (5, HANDLECODE_ADMINISTRATOR)
  677.    ELSE_IF_COLUMN_SORT_BY_FLAG (6, HANDLECODE_BLINDFOLD)
  678.    ELSE_IF_COLUMN_SORT_BY_FLAG (7, HANDLECODE_TEAM)
  679.    ELSE_IF_COLUMN_SORT_BY_FLAG (8, HANDLECODE_CHESSADVISOR)
  680.    ELSE_IF_COLUMN_SORT_BY_FLAG (9, HANDLECODE_SERVICEREPRESENTATIVE)
  681.    ELSE_IF_COLUMN_SORT_BY_FLAG (10, HANDLECODE_TOURNAMENTDIRECTOR)
  682.    ELSE_IF_COLUMN_SORT_BY_FLAG (11, HANDLECODE_MAMERMANAGER)
  683.    ELSE_IF_COLUMN_SORT_BY_FLAG (12, HANDLECODE_UNREGISTERED)
  684.  
  685. #undef ELSE_IF_COLUMN_SORT_BY_FLAG
  686.  
  687.    // which order do we want this column to be sorted ?
  688.    if (listviewcolumns[column].sort_descending)
  689.       return (_wcsicmp (string_to_compare1, string_to_compare2)); // normal order
  690.    else
  691.       return (-_wcsicmp (string_to_compare1, string_to_compare2)); // reverse order
  692. }
  693.  
  694.  
  695. static int WINAPI ListView_WndProc (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  696. {
  697.    // callback that subclasses the original ListView window procedure, so that we can hook
  698.    // some of its messages
  699.  
  700.    static bool tooltips_initialized = false;
  701.    static bool update_tooltips = false;
  702.    WNDPROC BaseWndProc;
  703.    TOOLINFO toolinfo;
  704.    HWND hHeaderWnd;
  705.    int column_index;
  706.  
  707.    // get a pointer to the base window procedure (it was stored as a window property)
  708.    BaseWndProc = (WNDPROC) GetProp (hWnd, L"BaseWndProc");
  709.    if (BaseWndProc == NULL)
  710.       return (DefWindowProc (hWnd, message, wParam, lParam)); // consistency check
  711.  
  712.    // is the mouse moving around ?
  713.    if (message == WM_MOUSEMOVE)
  714.    {
  715.       // do the tooltips need to be created ?
  716.       if (!tooltips_initialized)
  717.       {
  718.          hHeaderWnd = (HWND) SendMessage (hWnd, LVM_GETHEADER, 0, 0); // get listview header
  719.  
  720.          // add a tooltip for each column
  721.          for (column_index = 0; column_index < sizeof (listviewcolumns) / sizeof (listviewcolumn_t); column_index++)
  722.          {
  723.             // create the tooltip and set its window topmost
  724.             listviewcolumns[column_index].hToolTipWnd = CreateWindowEx (WS_EX_TOPMOST, TOOLTIPS_CLASS, NULL, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,
  725.                                                                         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
  726.                                                                         hHeaderWnd, NULL, hAppInstance, NULL);
  727.  
  728.             // associate the tooltip with the tool
  729.             memset (&toolinfo, 0, sizeof (toolinfo));
  730.             toolinfo.cbSize = sizeof (toolinfo);
  731.             toolinfo.uFlags = TTF_SUBCLASS;
  732.             toolinfo.hwnd = hHeaderWnd; // this tooltip works on the list header window handle
  733.             toolinfo.uId = column_index; // tooltip ID will be column ID
  734.             toolinfo.hinst = hAppInstance;
  735.             toolinfo.lpszText = listviewcolumns[column_index].text; // tooltip text
  736.             Header_GetItemRect (hHeaderWnd, column_index, &toolinfo.rect); // get header's item rectangle
  737.             SendMessage (listviewcolumns[column_index].hToolTipWnd, TTM_ADDTOOL, 0, (LPARAM) &toolinfo);
  738.          }
  739.  
  740.          tooltips_initialized = true; // do this only once
  741.       }
  742.  
  743.       // else do the tooltips need to be updated ?
  744.       else if (update_tooltips)
  745.       {
  746.          hHeaderWnd = (HWND) SendMessage (hWnd, LVM_GETHEADER, 0, 0); // get listview header
  747.  
  748.          // cycle through all columns
  749.          for (column_index = 0; column_index < sizeof (listviewcolumns) / sizeof (listviewcolumn_t); column_index++)
  750.          {
  751.             // update the tooltip rectangle
  752.             memset (&toolinfo, 0, sizeof (toolinfo));
  753.             toolinfo.cbSize = sizeof (toolinfo);
  754.             toolinfo.hwnd = hHeaderWnd; // this tooltip works on the list header window handle
  755.             toolinfo.uId = column_index; // tooltip ID is column ID
  756.             Header_GetItemRect (hHeaderWnd, column_index, &toolinfo.rect); // get header's item rectangle
  757.             SendMessage (listviewcolumns[column_index].hToolTipWnd, TTM_NEWTOOLRECT, 0, (LPARAM) &toolinfo);
  758.          }
  759.  
  760.          update_tooltips = false; // do this only once
  761.       }
  762.    }
  763.  
  764.    // else has the user finished dragging/resizing a column header ?
  765.    else if ((message == WM_NOTIFY) && ((((NMHDR *) lParam)->code == HDN_ENDTRACK) || (((NMHDR *) lParam)->code == HDN_ENDDRAG)))
  766.       update_tooltips = true; // if so, remember to update tooltips on the next mouse move
  767.  
  768.    // in any case, forward all messages to the original ListView hook procedure
  769.    return (CallWindowProc (BaseWndProc, hWnd, message, wParam, lParam));
  770. }
  771.