コード例 #1
0
ファイル: buttons_main.c プロジェクト: centurysys/NuttX-SA1xx
static void button_handler(int id, int irq)
{
  uint8_t newset = board_buttons();

  lowsyslog("IRQ:%d Button %d:%s SET:%02x:\n",
            irq, id, g_buttoninfo[BUTTON_INDEX(id)].name, newset);
  show_buttons(g_oldset, newset);
  g_oldset = newset;
}
コード例 #2
0
ファイル: mainwindow.cpp プロジェクト: xhacker/musicman
void MainWindow::on_nameEdit_returnPressed()
{
    // highscore
    cur_scene = highscore;
    ui->scoreLabel->setVisible(false);
    ui->nameEdit->setVisible(false);

    // return to main
    cur_scene = main;
//    musiclist->setVisible(true);
    show_buttons();
    sound_menu->play();
}
コード例 #3
0
ファイル: main.c プロジェクト: Bencepapa/CymonsGames
void puzzle (void) {
  char in;

  do lv = rand() % NUMGOAL; while (won_mask & 1 << lv);
  bd = rand () % 0x01FE + 1;
  do {
    show_buttons ();
    printf ("\n\n\t\tmove ? ");
    do in = getche (); while (in < '0' || in > '9');
    if (in -= '0') {
      if (bd & (1 << (in - 1))) bd ^= move [in - 1];
      else puts ("\nInvalad. That button is not up.");
    }
  } while (bd && bd != goal[lv] && in);
  if (bd == goal[lv]) {
      show_buttons ();
    puts ("\n\n\t\tGoal!!!");
    won++;
    won_mask |= 1 << lv;
  } else if (!bd) {
    show_buttons ();
    puts ("\n\n\tYou have no more moves.");
  }
}
コード例 #4
0
ファイル: mainwindow.cpp プロジェクト: xhacker/musicman
void MainWindow::keyPressEvent(QKeyEvent *event)
{
    if (event->key() == Qt::Key_Return)
    {
        if (cur_scene == list)
        {
            musiclist->setVisible(false);
            start_game(musiclist->currentItem()->text());
        }
    }
    else if (event->key() == Qt::Key_Escape)
    {
        if (cur_scene == list)
        {
            musiclist->setVisible(false);
            show_buttons();
            cur_scene = main;
        }
    }
}
コード例 #5
0
ファイル: SpellView.cpp プロジェクト: Zabeus/nuvie
void SpellView::update_buttons()
{
	show_buttons();
	sint8 index = get_selected_index();

	if(level == 1 && index <= (num_spells_per_page-1) && left_button)
		left_button->Hide();

	uint8 old_level = level;
	uint8 num_spells = 0;
	for(;num_spells == 0;)
	{
		level++;
		if(level == 9)
			break;
		num_spells = fill_cur_spell_list();
	}
	level = old_level;
	fill_cur_spell_list();

	if(right_button && ((level < 8 && num_spells == 0) || level == 8)
	   && cur_spells[num_spells_per_page*(1+index/num_spells_per_page)] == -1)
		right_button->Hide();
}
コード例 #6
0
ファイル: buttons_main.c プロジェクト: centurysys/NuttX-SA1xx
int buttons_main(int argc, char *argv[])
{
  uint8_t newset;
  irqstate_t flags;
  int i;

  /* If this example is configured as an NX add-on, then limit the number of
   * samples that we collect before returning.  Otherwise, we never return
   */

#ifdef CONFIG_NSH_BUILTIN_APPS
  long maxbuttons = 1;
  g_nbuttons      = 0;
  if (argc > 1)
    {
      maxbuttons = strtol(argv[1], NULL, 10);
    }
  lowsyslog("maxbuttons: %d\n", maxbuttons);
#endif

  /* Initialize the button GPIOs */

  board_button_initialize();

  /* Register to recieve button interrupts */

#ifdef CONFIG_ARCH_IRQBUTTONS
  for (i = CONFIG_EXAMPLES_IRQBUTTONS_MIN; i <= CONFIG_EXAMPLES_IRQBUTTONS_MAX; i++)
    {
      xcpt_t oldhandler = board_button_irq(i, g_buttoninfo[BUTTON_INDEX(i)].handler);

      /* Use lowsyslog() for compatibility with interrrupt handler output. */

      lowsyslog("Attached handler at %p to button %d [%s], oldhandler:%p\n",
                g_buttoninfo[BUTTON_INDEX(i)].handler, i,
                g_buttoninfo[BUTTON_INDEX(i)].name, oldhandler);

      /* Some hardware multiplexes different GPIO button sources to the same
       * physical interrupt.  If we register multiple such multiplexed button
       * interrupts, then the second registration will overwrite the first.  In
       * this case, the first button interrupts may be aliased to the second
       * interrupt handler (or worse, could be lost).
       */

      if (oldhandler != NULL)
        {
          lowsyslog("WARNING: oldhandler:%p is not NULL!  "
                    "Button events may be lost or aliased!\n",
                    oldhandler);
        }
    }
#endif

  /* Poll button state */

  g_oldset = board_buttons();
#ifdef CONFIG_NSH_BUILTIN_APPS
  while (g_nbuttons < maxbuttons)
#else
  for (;;)
#endif
    {
      /* Get the set of pressed and release buttons. */

      newset = board_buttons();

      /* Any changes from the last sample? */

      if (newset != g_oldset)
        {
          /* Disable interrupts so that output here will not collide with
           * output from an interrupt handler.
           */

          flags = irqsave();

          /* Use lowsyslog() for compatibility with interrrupt handler
           * output.
           */

          lowsyslog("POLL SET:%02x:\n", newset);
          show_buttons(g_oldset, newset);
          g_oldset = newset;
          irqrestore(flags);
        }

      /* Sleep a little... but not long.  This will determine how fast we
       * poll for button changes.
       */

      usleep(150000); /* 150 Milliseconds */
    }

  /* Un-register button handlers */

#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_NSH_BUILTIN_APPS)
  for (i = CONFIG_EXAMPLES_IRQBUTTONS_MIN; i <= CONFIG_EXAMPLES_IRQBUTTONS_MAX; i++)
    {
      (void)board_button_irq(i, NULL);
    }
#endif

  return 0;
}
コード例 #7
0
ファイル: mainmenu.cpp プロジェクト: BlackCupid/leiboldm
void MainMenu::end_leaderboard()
{
    lb->hide();
    show_buttons();
}
コード例 #8
0
ファイル: mainmenu.cpp プロジェクト: BlackCupid/leiboldm
void MainMenu::end_competitive_game()
{
    atc.hide();
    atc.board->releaseKeyboard();
    show_buttons();
}
コード例 #9
0
ファイル: mainmenu.cpp プロジェクト: BlackCupid/leiboldm
void MainMenu::end_solo_game()
{
    sg.hide();
    sg.board->releaseKeyboard();
    show_buttons();
}
コード例 #10
0
ファイル: gvccmd.c プロジェクト: 131/gsview
/* gsview menu commands */
int
gsview_command(int command)
{
    switch (command) {
    case IDM_NEXTHOME:
    case IDM_NEXT:
    case IDM_NEXTSKIP:
    case IDM_REDISPLAY:
    case IDM_PREVHOME:
    case IDM_PREVSKIP:
    case IDM_PREV:
    case IDM_GOBACK:
    case IDM_GOFWD:
    case IDM_MAGPLUS:
    case IDM_MAGMINUS:
    case IDM_FITWIN:
    case IDM_ZOOM:
    case IDM_FULLSCREEN:
        /* These don't close the full screen window */
        break;
    default:
        gsview_fullscreen_end();
    }
    switch (command) {
    case IDM_FULLSCREEN:
        gsview_fullscreen();
        return 0;
    case IDM_OPEN:
        if (pending.psfile) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        gsview_display();
        return 0;
    case IDM_LASTFILE1:
    case IDM_LASTFILE2:
    case IDM_LASTFILE3:
    case IDM_LASTFILE4:
        if (pending.psfile) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        make_cwd(last_files[command-IDM_LASTFILE1]);
        gsview_displayfile(last_files[command-IDM_LASTFILE1]);
        return 0;
    case IDM_CLOSE:
        /* doesn't unload DLL */
        /* close file */
        if (gsdll.open && (gsdll.state != GS_UNINIT)) {
            PSFILE *tpsfile;
            if (pending.psfile) {
                play_sound(SOUND_BUSY);
                return 0;
            }
            tpsfile = (PSFILE *)malloc(sizeof(PSFILE));
            if (tpsfile == NULL)
                return 0;
            memset((char *)tpsfile, 0, sizeof(PSFILE));
            pending.psfile = tpsfile;
            pending.now = TRUE;
            if (psfile.name[0] && psfile.dsc==(CDSC *)NULL)
                pending.abort = TRUE;
        }
        else {
            /* DLL isn't loaded */
            if (psfile.file)
                dfclose();	/* just to make sure */
            psfile_free(&psfile);
            post_img_message(WM_GSTITLE, 0);
            info_wait(IDS_NOWAIT);
        }
        return 0;
    case IDM_CLOSE_DONE:
        if (selectname[0] != '\0') {
            /* pending IDM_SELECT */
            PSFILE *tpsfile;
            tpsfile = gsview_openfile(selectname);
            if (tpsfile) {
                psfile = *tpsfile;
                free(tpsfile);
            }
            selectname[0] = '\0';
            post_img_message(WM_GSTITLE, 0);
            info_wait(IDS_NOWAIT);
        }
        return 0;
    case IDM_NEXTHOME:
#ifdef UNIX
        set_scroll(-1, 0);
#else
#ifdef _Windows
        PostMessage(hwnd_image ,WM_VSCROLL,SB_TOP,0L);
#else
        WinPostMsg(hwnd_frame, WM_VSCROLL, MPFROMLONG(0), MPFROM2SHORT(0, SB_TOP));
#endif
#endif
    /* fall thru */
    case IDM_NEXT:
        if (not_open())
            return 0;
        gs_page_skip(1);
        return 0;
    case IDM_NEXTSKIP:
        if (not_dsc())
            return 0;
        if (order_is_special())
            return 0;
        gs_page_skip(page_skip);
        return 0;
    case IDM_REDISPLAY:
        if (dfchanged()) {
            PSFILE *tpsfile;
            if (dfchanged() < 0) {
                gs_addmess("File has been deleted\n");
                gsview_command(IDM_CLOSE);
                pending.unload = TRUE;
                pending.now = FALSE;
                return 0;
            }
            if (pending.psfile)
                tpsfile = pending.psfile;	/* new file, old file deleted */
            else
                tpsfile = gsview_openfile(psfile.name);
            if (tpsfile) {
                tpsfile->pagenum = psfile.pagenum;
                request_mutex();
                pending.psfile = tpsfile;
                if ( gsdll.hmodule &&  (psfile.dsc==(CDSC *)NULL) &&
                        (gsdll.state != GS_IDLE) )
                    /* don't know where we are so close and reopen */
                    pending.abort = TRUE;
                pending.now = TRUE;
                release_mutex();
            }
        }

        if (not_open())
            return 0;
        if (psfile.dsc==(CDSC *)NULL) {
            /* don't know where we are so close and reopen */
            if (gsdll.state != GS_IDLE) {
                if (!pending.psfile) {
                    pending.psfile = (PSFILE *)malloc(sizeof(PSFILE));
                    if (pending.psfile)
                        *pending.psfile = psfile;
                }
                pending.psfile->pagenum = pending.pagenum = 1;
                pending.abort = TRUE;
                pending.now = TRUE;
            }
        }
        else {
            pending.pagenum = -1;  /* default page number is current page */
            if (psfile.dsc->page_order == CDSC_SPECIAL)
                pending.pagenum = 1;	/* restart */
        }
        gsview_unzoom();
        pending.now = TRUE;
        return 0;
    case IDM_PREVHOME:
#ifdef UNIX
        set_scroll(-1, 0);
#else
#ifdef _Windows
        PostMessage(hwnd_image ,WM_VSCROLL,SB_TOP,0L);
#else
        WinPostMsg(hwnd_frame, WM_VSCROLL, MPFROMLONG(0), MPFROM2SHORT(0, SB_TOP));
#endif
#endif
    /* fall thru */
    case IDM_PREV:
        if (not_dsc())
            return 0;
        if (order_is_special())
            return 0;
        gs_page_skip(-1);
        return 0;
    case IDM_PREVSKIP:
        if (not_dsc())
            return 0;
        if (order_is_special())
            return 0;
        gs_page_skip(-page_skip);
        return 0;
    case IDM_GOTO:
        if (not_dsc())
            return 0;
        if (order_is_special())
            return 0;
        if (psfile.dsc->page_count == 0) {
            gserror(IDS_NOPAGE, NULL, MB_ICONEXCLAMATION, SOUND_NONUMBER);
            return 0;
        }
        nHelpTopic = IDS_TOPICGOTO;
        {   int pagenum;
            pagenum = psfile.pagenum;
            if (get_page(&pagenum, FALSE, FALSE)) {
                gsview_goto_page(pagenum);
            }
        }
        return 0;
    case IDM_GOBACK:
        if (not_dsc())
            return 0;
        if (order_is_special())
            return 0;
        history_back();
        return 0;
    case IDM_GOFWD:
        if (not_open())
            return 0;
        if (psfile.dsc == (CDSC *)NULL)
            gsview_command(IDM_NEXT);
        else
            history_forward();
        return 0;
    case IDM_INFO:
        show_info();
        return 0;
    case IDM_SELECT:
        if (pending.psfile) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        gsview_select();
        return 0;
#ifndef VIEWONLY
    case IDM_PRINT:
    case IDM_PRINTTOFILE:
    case IDM_CONVERTFILE:
        if (psfile.name[0] == '\0')
            gsview_select();
        if (gsdll.state == GS_BUSY) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        if (dfreopen() != 0)
            return 0;
        if (command == IDM_PRINTTOFILE)
            option.print_to_file = TRUE;
        if (psfile.name[0] != '\0')
            gsview_print(command == IDM_CONVERTFILE);
        dfclose();
        return 0;
    case IDM_SPOOL:
        gsview_spool((char *)NULL, (char *)NULL);
        return 0;
    case IDM_SAVEAS:
        if (gsdll.state == GS_BUSY) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        if (psfile.name[0] == '\0')
            gsview_select();
        if (psfile.name[0] != '\0')
            gsview_saveas();
        return 0;
    case IDM_EXTRACT:
        if (gsdll.state == GS_BUSY) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        if (psfile.name[0] == '\0')
            gsview_select();
        if (order_is_special())
            return 0;
        if (psfile.name[0] != '\0')
            gsview_extract();
        return 0;
    case IDM_PSTOEDIT:
        if (gsdll.state == GS_BUSY) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        if (psfile.name[0] == '\0')
            gsview_select();
        (void)order_is_special();    /* warn, but allow it anyway */
        if (dfreopen() != 0)
            return 0;
        if (psfile.name[0] != '\0')
            gsview_pstoedit();
        dfclose();
        return 0;
    case IDM_TEXTEXTRACT:
        if (psfile.name[0] == '\0')
            gsview_select();
        if (psfile.name[0] != '\0')
            gsview_text_extract();
        return 0;
    case IDM_TEXTEXTRACT_SLOW:
        gsview_text_extract_slow();
        return 0;
    case IDM_TEXTFIND:
        gsview_text_find();
        return 0;
    case IDM_TEXTFINDNEXT:
        gsview_text_findnext();
        return 0;
    case IDM_COPYCLIP:
        copy_clipboard();
        return 0;
    case IDM_PASTETO:
        paste_to_file();
        return 0;
    case IDM_CONVERT:
        clip_convert();
        return 0;
    case IDM_MEASURE:
        if (gsdll.state == GS_BUSY) {
            play_sound(SOUND_BUSY);
            return 0;
        }
        measure_show();
        return 0;
#endif /* !VIEWONLY */
    case IDM_GSMESS:
        gs_showmess();	/* show messages from Ghostscript */
        return 0;
    case IDM_EXIT:
        if (print_count) {
            /* Still busy printing.  Warn user. */
            TCHAR buf[MAXSTR];
            load_string(IDS_BUSYPRINTING, buf,
                        sizeof(buf)/sizeof(TCHAR)-1);
            if (message_box(buf, MB_OKCANCEL) != IDOK)
                return 0;
        }
        post_img_message(WM_CLOSE, 0);
        return 0;
    case IDM_CFG:	/* Easy configure */
        config_wizard(TRUE);
        return 0;
    case IDM_GSCOMMAND:	/* Advanced configure */
        if (install_gsdll() && gsdll.open)
            pending.unload = TRUE;
        return 0;
    case IDM_UNITPT:
    case IDM_UNITMM:
    case IDM_UNITINCH:
        gsview_unit(command);
        return 0;
    case IDM_UNITFINE:
        option.unitfine = !option.unitfine;
        check_menu_item(IDM_UNITMENU, IDM_UNITFINE, option.unitfine);
        return 0;
    case IDM_LANGMENU+1:
    case IDM_LANGMENU+2:
    case IDM_LANGMENU+3:
    case IDM_LANGMENU+4:
    case IDM_LANGMENU+5:
    case IDM_LANGMENU+6:
    case IDM_LANGMENU+7:
    case IDM_LANGMENU+8:
    case IDM_LANGMENU+9:
    case IDM_LANGMENU+10:
    case IDM_LANGMENU+11:
    case IDM_LANGMENU+12:
    case IDM_LANGMENU+13:
    case IDM_LANGMENU+14:
    case IDM_LANGMENU+15:
    case IDM_LANGMENU+16:
    case IDM_LANGMENU+17:
    case IDM_LANGMENU+18:
    case IDM_LANGMENU+19:
        gsview_language(command);
        return 0;
    case IDM_SAFER:
        option.safer = !option.safer;
        check_menu_item(IDM_OPTIONMENU, IDM_SAFER, option.safer);
        return 0;
    case IDM_SAVEDIR:
        option.save_dir = !option.save_dir;
        check_menu_item(IDM_OPTIONMENU, IDM_SAVEDIR, option.save_dir);
        return 0;
    case IDM_BUTTONSHOW:
        option.button_show = !option.button_show;
        check_menu_item(IDM_OPTIONMENU, IDM_BUTTONSHOW, option.button_show);
        show_buttons();
        return 0;
    case IDM_FITPAGE:
        option.fit_page = !option.fit_page;
        check_menu_item(IDM_OPTIONMENU, IDM_FITPAGE, option.fit_page);
        /* should cause WM_SIZE message to be sent */
        return 0;
    case IDM_PSTOTEXTDIS:
    case IDM_PSTOTEXTNORM:
    case IDM_PSTOTEXTCORK:
        check_menu_item(IDM_PSTOTEXTMENU, option.pstotext + IDM_PSTOTEXTMENU + 1, FALSE);
        option.pstotext = command - IDM_PSTOTEXTMENU - 1;
        check_menu_item(IDM_PSTOTEXTMENU, option.pstotext + IDM_PSTOTEXTMENU + 1, TRUE);
        return 0;
    case IDM_AUTOREDISPLAY:
        option.redisplay = !option.redisplay;
        check_menu_item(IDM_OPTIONMENU, IDM_AUTOREDISPLAY, option.redisplay);
        return 0;
    case IDM_EPSFCLIP:
        option.epsf_clip = !option.epsf_clip;
        check_menu_item(IDM_OPTIONMENU, IDM_EPSFCLIP, option.epsf_clip);
        gs_resize();
        return 0;
    case IDM_EPSFWARN:
        option.epsf_warn = !option.epsf_warn;
        check_menu_item(IDM_OPTIONMENU, IDM_EPSFWARN, option.epsf_warn);
        return 0;
    case IDM_IGNOREDSC:
        option.ignore_dsc = !option.ignore_dsc;
        check_menu_item(IDM_OPTIONMENU, IDM_IGNOREDSC, option.ignore_dsc);
        if (psfile.name[0]) {
            if (option.redisplay)
                gsview_displayfile(psfile.name);
            else
                gsview_selectfile(psfile.name);
        }
        return 0;
    case IDM_SHOWBBOX:
        option.show_bbox = !option.show_bbox;
        check_menu_item(IDM_OPTIONMENU, IDM_SHOWBBOX, option.show_bbox);
#ifdef UNIX
        gtk_widget_draw(img, NULL);
#else
#ifdef _Windows
        PostMessage(hwndimg, WM_GSSYNC, 0, 0L);
#else
        if (!WinInvalidateRect(hwnd_bmp, (PRECTL)NULL, TRUE))
            error_message("error invalidating rect");
        if (!WinUpdateWindow(hwnd_bmp))
            error_message("error updating window");
#endif
#endif
        return 0;
#ifndef VIEWONLY
    case IDM_PSTOEPS:
        if (not_open())
            return 0;
        if (psfile.name[0] != '\0') {
            if (dfreopen() != 0)
                return 0;
            ps_to_eps();
            dfclose();
        }
        return 0;
    case IDM_MAKEEPSI:
        if ( (option.orientation == IDM_PORTRAIT) ||
                (option.auto_orientation == TRUE) ) {
            char epsname[MAXSTR];
            epsname[0] = '\0';
            if (dfreopen() != 0)
                return 0;
            if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
                              IDS_TOPICPREVIEW)) {
                dfclose();
                return 0;
            }
            image_lock(view.img);
            make_eps_interchange(FALSE, epsname);
            image_unlock(view.img);
            dfclose();
        }
        else
            gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
        return 0;
    case IDM_MAKEEPST4:
    case IDM_MAKEEPST6U:
    case IDM_MAKEEPST6P:
        if ( (option.orientation == IDM_PORTRAIT) ||
                (option.auto_orientation == TRUE) ) {
            char epsname[MAXSTR];
            epsname[0] = '\0';
            if (dfreopen() != 0)
                return 0;
            if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
                              IDS_TOPICPREVIEW)) {
                dfclose();
                return 0;
            }
            image_lock(view.img);
            make_eps_tiff(command, FALSE, epsname);
            image_unlock(view.img);
            dfclose();
        }
        else
            gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
        return 0;
    case IDM_MAKEEPSW:
        if ( (option.orientation == IDM_PORTRAIT) ||
                (option.auto_orientation == TRUE) ) {
            char epsname[MAXSTR];
            epsname[0] = '\0';
            if (dfreopen() != 0)
                return 0;
            if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
                              IDS_TOPICPREVIEW)) {
                dfclose();
                return 0;
            }
            image_lock(view.img);
            make_eps_metafile(FALSE, epsname);
            image_unlock(view.img);
            dfclose();
        }
        else
            gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
        return 0;
    case IDM_MAKEEPSU:
        if (dfreopen() != 0)
            return 0;
        make_eps_user();
        dfclose();
        return 0;
    case IDM_EXTRACTPS:
    case IDM_EXTRACTPRE:
        if (dfreopen() != 0)
            return 0;
        extract_doseps(command);
        dfclose();
        return 0;
#endif
    case IDM_SETTINGS:
        write_profile();
        return 0;
    case IDM_SAVESETTINGS:
        option.settings = !option.settings;
        check_menu_item(IDM_OPTIONMENU, IDM_SAVESETTINGS, option.settings);
        {   char buf[MAXSTR];
            PROFILE *prf = profile_open(szIniFile);
            sprintf(buf, "%d", (int)option.settings);
            profile_write_string(prf, INISECTION, "SaveSettings", buf);
            profile_close(prf);
        }
        return 0;
    case IDM_SOUNDS:
        change_sounds();
        return 0;
    case IDM_AUTOORIENT:
    case IDM_PORTRAIT:
    case IDM_LANDSCAPE:
    case IDM_UPSIDEDOWN:
    case IDM_SEASCAPE:
    case IDM_SWAPLANDSCAPE:
        gsview_orientation(command);
        return 0;
    case IDM_DSC_OFF:
    case IDM_DSC_ERROR:
    case IDM_DSC_WARN:
    case IDM_DSC_INFO:
        check_menu_item(IDM_DSCMENU, option.dsc_warn, FALSE);
        option.dsc_warn = command;
        check_menu_item(IDM_DSCMENU, option.dsc_warn, TRUE);
        return 0;
    case IDM_ZOOM:		/* called indirectly from Right Mouse Button */
        if (not_dsc()) {
            zoom = FALSE;
            return 0;
        }
        if (order_is_special()) {
            zoom = FALSE;
            return 0;
        }
        if (! ((gsdll.state == GS_PAGE) || (gsdll.state == GS_IDLE)) ) {
            zoom = FALSE;
            gserror(IDS_NOZOOM, NULL, MB_ICONEXCLAMATION, SOUND_ERROR);
            return 0;
        }
        gs_resize();
        pending.pagenum = -1;  /* default page number is current page */
        pending.now = TRUE;
        return 0;
    case IDM_MAGPLUS:
        gs_magnify((float)1.2);
        return 0;
    case IDM_MAGMINUS:
        gs_magnify((float)0.8333);
        return 0;
    case IDM_FITWIN:
        /* fit media to size of current window */
        gsview_fitwin();
        return 0;
    case IDM_DISPLAYSETTINGS:
        display_settings();
        return 0;
    case IDM_MEDIAROTATE:
        option.media_rotate = !option.media_rotate;
        check_menu_item(IDM_MEDIAMENU, IDM_MEDIAROTATE,
                        option.media_rotate);
        zoom = FALSE;
        gs_resize();
        return 0;
    case IDM_11x17:
    case IDM_A3:
    case IDM_A4:
    case IDM_A5:
    case IDM_B4:
    case IDM_B5:
    case IDM_LEDGER:
    case IDM_LEGAL:
    case IDM_LETTER:
    case IDM_NOTE:
    case IDM_USERSIZE:
    case IDM_USERSIZE1:
    case IDM_USERSIZE2:
    case IDM_USERSIZE3:
    case IDM_USERSIZE4:
    case IDM_USERSIZE5:
    case IDM_USERSIZE6:
    case IDM_USERSIZE7:
    case IDM_USERSIZE8:
    case IDM_USERSIZE9:
    case IDM_USERSIZE10:
    case IDM_USERSIZE11:
    case IDM_USERSIZE12:
    case IDM_USERSIZE13:
        if (command == IDM_USERSIZE)
            if (!gsview_usersize())
                return 0;
        gsview_media(command);
        return 0;
    case IDM_HELPCONTENT:
#ifdef UNIX
        nHelpTopic = IDS_TOPICROOT;
        get_help();
#else
#ifdef _Windows
#ifdef USE_HTMLHELP
        nHelpTopic = IDS_TOPICROOT;
        get_help();
#else
        WinHelp(hwndimg,szHelpName,HELP_CONTENTS,(DWORD)NULL);
#endif
#else
        WinSendMsg(hwnd_help, HM_HELP_CONTENTS, 0L, 0L);
#endif
#endif
        return 0;
    case IDM_HELPSEARCH:
#ifdef UNIX
        gs_addmess("IDM_HELPSEARCH: not implemented\n");
#else
#ifdef _Windows
#ifdef USE_HTMLHELP
        HtmlHelp(hwndimg,szHelpName,HH_DISPLAY_INDEX, (DWORD)TEXT(""));
        gs_addmessf("HtmlHelp: %s HH_DISPLAY_INDEX\n", szHelpName);
#else
        WinHelp(hwndimg,szHelpName,HELP_PARTIALKEY,(DWORD)"");
#endif
#else
        WinSendMsg(hwnd_help, HM_HELP_INDEX, 0L, 0L);
#endif
#endif
        return 0;
    case IDM_HELPKEYS:
        nHelpTopic = IDS_TOPICKEYS;
        get_help();
        return 0;
    case IDM_ABOUT:
        show_about();
        return 0;
    case IDM_REGISTER:
        registration_nag();
        return 0;
    }
    return 0;
}