Function MainWndProc

win/win32/mhmain.c:201–528

// FUNCTION: WndProc(HWND, unsigned, WORD, LONG) // // PURPOSE: Processes messages for the main window. */

//  PURPOSE:  Processes messages for the main window.
*/
LRESULT CALLBACK
MainWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    PNHMainWindow data = (PNHMainWindow) GetWindowLongPtr(hWnd, GWLP_USERDATA);

    switch (message) {
    case WM_CREATE:
        /* set window data */
        data = (PNHMainWindow) malloc(sizeof(NHMainWindow));
        if (!data)
            panic("out of memory");

        ZeroMemory(data, sizeof(NHMainWindow));
        data->mapAcsiiModeSave = MAP_MODE_ASCII12x16;
        SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR) data);
        windowdata[NHW_MAIN].address = (genericptr_t) data;

        /* update menu items */
        CheckMenuItem(
            GetMenu(hWnd), IDM_SETTING_LOCKWINDOWS,
            MF_BYCOMMAND
                | (GetNHApp()->bWindowsLocked ? MF_CHECKED : MF_UNCHECKED));

        CheckMenuItem(GetMenu(hWnd), IDM_SETTING_AUTOLAYOUT,
                      GetNHApp()->bAutoLayout ? MF_CHECKED : MF_UNCHECKED);

        /* store handle to the mane menu in the application record */
        GetNHApp()->hMainWnd = hWnd;
        break;

    case WM_MSNH_COMMAND:
        onMSNHCommand(hWnd, wParam, lParam);
        break;

    case WM_KEYDOWN: {

        /* translate arrow keys into nethack commands */
        switch (wParam) {
        case VK_LEFT:
            if (STATEON(VK_CONTROL)) {
                /* scroll map window one line left */
                SendMessage(mswin_hwnd_from_winid(WIN_MAP), WM_HSCROLL,
                            MAKEWPARAM(SB_LINEUP, 0), (LPARAM) NULL);
            } else {
                NHEVENT_KBD(KEYTABLE(KEY_W));
            }
            return 0;

        case VK_RIGHT:
            if (STATEON(VK_CONTROL)) {
                /* scroll map window one line right */
                SendMessage(mswin_hwnd_from_winid(WIN_MAP), WM_HSCROLL,
                            MAKEWPARAM(SB_LINEDOWN, 0), (LPARAM) NULL);
            } else {
                NHEVENT_KBD(KEYTABLE(KEY_E));
            }
            return 0;