ctrl_checkbox(s, "Use system colours", 's', HELPCTX(colours_system), dlg_stdcheckbox_handler, I(offsetof(Config,system_colour)));
void win_setup_config_box(struct controlbox *b, HWND *hwndp, int has_help,			  int midsession){    struct controlset *s;    union control *c;    char *str;    if (!midsession) {	/*	 * Add the About and Help buttons to the standard panel.	 */	s = ctrl_getset(b, "", "", "");	c = ctrl_pushbutton(s, "About", 'a', HELPCTX(no_help),			    about_handler, P(hwndp));	c->generic.column = 0;	if (has_help) {	    c = ctrl_pushbutton(s, "Help", 'h', HELPCTX(no_help),				help_handler, P(hwndp));	    c->generic.column = 1;	}    }    /*     * Full-screen mode is a Windows peculiarity; hence     * scrollbar_in_fullscreen is as well.     */    s = ctrl_getset(b, "Window", "scrollback",		    "Control the scrollback in the window");    ctrl_checkbox(s, "Display scrollbar in full screen mode", 'i',		  HELPCTX(window_scrollback),		  dlg_stdcheckbox_handler,		  I(offsetof(Config,scrollbar_in_fullscreen)));    /*     * Really this wants to go just after `Display scrollbar'. See     * if we can find that control, and do some shuffling.     */    {        int i;        for (i = 0; i < s->ncontrols; i++) {            c = s->ctrls[i];            if (c->generic.type == CTRL_CHECKBOX &&                c->generic.context.i == offsetof(Config,scrollbar)) {                /*                 * Control i is the scrollbar checkbox.                 * Control s->ncontrols-1 is the scrollbar-in-FS one.                 */                if (i < s->ncontrols-2) {                    c = s->ctrls[s->ncontrols-1];                    memmove(s->ctrls+i+2, s->ctrls+i+1,                            (s->ncontrols-i-2)*sizeof(union control *));                    s->ctrls[i+1] = c;                }                break;            }        }    }    /*     * Windows has the AltGr key, which has various Windows-     * specific options.     */    s = ctrl_getset(b, "Terminal/Keyboard", "features",		    "Enable extra keyboard features:");    ctrl_checkbox(s, "AltGr acts as Compose key", 't',		  HELPCTX(keyboard_compose),		  dlg_stdcheckbox_handler, I(offsetof(Config,compose_key)));    ctrl_checkbox(s, "Control-Alt is different from AltGr", 'd',		  HELPCTX(keyboard_ctrlalt),		  dlg_stdcheckbox_handler, I(offsetof(Config,ctrlaltkeys)));    /*     * Windows allows an arbitrary .WAV to be played as a bell, and     * also the use of the PC speaker. For this we must search the     * existing controlset for the radio-button set controlling the     * `beep' option, and add extra buttons to it.     *      * Note that although this _looks_ like a hideous hack, it's     * actually all above board. The well-defined interface to the     * per-platform dialog box code is the _data structures_ `union     * control', `struct controlset' and so on; so code like this     * that reaches into those data structures and changes bits of     * them is perfectly legitimate and crosses no boundaries. All     * the ctrl_* routines that create most of the controls are     * convenient shortcuts provided on the cross-platform side of     * the interface, and template creation code is under no actual     * obligation to use them.     */    s = ctrl_getset(b, "Terminal/Bell", "style", "Set the style of bell");    {	int i;	for (i = 0; i < s->ncontrols; i++) {	    c = s->ctrls[i];	    if (c->generic.type == CTRL_RADIO &&		c->generic.context.i == offsetof(Config, beep)) {		assert(c->generic.handler == dlg_stdradiobutton_handler);		c->radio.nbuttons += 2;		c->radio.buttons =		    sresize(c->radio.buttons, c->radio.nbuttons, char *);		c->radio.buttons[c->radio.nbuttons-1] =		    dupstr("Play a custom sound file");		c->radio.buttons[c->radio.nbuttons-2] =		    dupstr("Beep using the PC speaker");		c->radio.buttondata =		    sresize(c->radio.buttondata, c->radio.nbuttons, intorptr);		c->radio.buttondata[c->radio.nbuttons-1] = I(BELL_WAVEFILE);		c->radio.buttondata[c->radio.nbuttons-2] = I(BELL_PCSPEAKER);		if (c->radio.shortcuts) {		    c->radio.shortcuts =			sresize(c->radio.shortcuts, c->radio.nbuttons, char);		    c->radio.shortcuts[c->radio.nbuttons-1] = NO_SHORTCUT;		    c->radio.shortcuts[c->radio.nbuttons-2] = NO_SHORTCUT;		}		break;	    }	}    }    ctrl_filesel(s, "Custom sound file to play as a bell:", NO_SHORTCUT,		 FILTER_WAVE_FILES, FALSE, "Select bell sound file",		 HELPCTX(bell_style),		 dlg_stdfilesel_handler, I(offsetof(Config, bell_wavefile)));    /*     * While we've got this box open, taskbar flashing on a bell is     * also Windows-specific.     */    ctrl_radiobuttons(s, "Taskbar/caption indication on bell:", 'i', 3,		      HELPCTX(bell_taskbar),		      dlg_stdradiobutton_handler,		      I(offsetof(Config, beep_ind)),		      "Disabled", I(B_IND_DISABLED),		      "Flashing", I(B_IND_FLASH),		      "Steady", I(B_IND_STEADY), NULL);    /*     * The sunken-edge border is a Windows GUI feature.     */    s = ctrl_getset(b, "Window/Appearance", "border",		    "Adjust the window border");    ctrl_checkbox(s, "Sunken-edge border (slightly thicker)", 's',		  HELPCTX(appearance_border),		  dlg_stdcheckbox_handler, I(offsetof(Config,sunken_edge)));    /*     * Cyrillic Lock is a horrid misfeature even on Windows, and     * the least we can do is ensure it never makes it to any other     * platform (at least unless someone fixes it!).     */    s = ctrl_getset(b, "Window/Translation", "input",		    "Enable character set translation on input data");    ctrl_checkbox(s, "Caps Lock acts as Cyrillic switch", 's',		  HELPCTX(translation_cyrillic),		  dlg_stdcheckbox_handler,		  I(offsetof(Config,xlat_capslockcyr)));    /*     * Windows has the weird OEM font mode, which gives us some     * additional options when working with line-drawing     * characters.     */    str = dupprintf("Adjust how %s displays line drawing characters", appname);    s = ctrl_getset(b, "Window/Translation", "linedraw", str);    sfree(str);    {	int i;	for (i = 0; i < s->ncontrols; i++) {	    c = s->ctrls[i];	    if (c->generic.type == CTRL_RADIO &&		c->generic.context.i == offsetof(Config, vtmode)) {		assert(c->generic.handler == dlg_stdradiobutton_handler);		c->radio.nbuttons += 3;		c->radio.buttons =		    sresize(c->radio.buttons, c->radio.nbuttons, char *);		c->radio.buttons[c->radio.nbuttons-3] =		    dupstr("Font has XWindows encoding");		c->radio.buttons[c->radio.nbuttons-2] =		    dupstr("Use font in both ANSI and OEM modes");		c->radio.buttons[c->radio.nbuttons-1] =		    dupstr("Use font in OEM mode only");		c->radio.buttondata =		    sresize(c->radio.buttondata, c->radio.nbuttons, intorptr);		c->radio.buttondata[c->radio.nbuttons-3] = I(VT_XWINDOWS);		c->radio.buttondata[c->radio.nbuttons-2] = I(VT_OEMANSI);		c->radio.buttondata[c->radio.nbuttons-1] = I(VT_OEMONLY);		if (!c->radio.shortcuts) {		    int j;		    c->radio.shortcuts = snewn(c->radio.nbuttons, char);		    for (j = 0; j < c->radio.nbuttons; j++)			c->radio.shortcuts[j] = NO_SHORTCUT;		} else {		    c->radio.shortcuts = sresize(c->radio.shortcuts,						 c->radio.nbuttons, char);		}		c->radio.shortcuts[c->radio.nbuttons-3] = 'x';		c->radio.shortcuts[c->radio.nbuttons-2] = 'b';		c->radio.shortcuts[c->radio.nbuttons-1] = 'e';		break;	    }	}    }    /*     * RTF paste is Windows-specific.     */    s = ctrl_getset(b, "Window/Selection", "trans",		    "Translation of pasted characters");    ctrl_checkbox(s, "Paste to clipboard in RTF as well as plain text", 'f',		  HELPCTX(selection_rtf),		  dlg_stdcheckbox_handler, I(offsetof(Config,rtf_paste)));    /*     * Windows often has no middle button, so we supply a selection     * mode in which the more critical Paste action is available on     * the right button instead.     */    s = ctrl_getset(b, "Window/Selection", "mouse",		    "Control use of mouse");    ctrl_radiobuttons(s, "Action of mouse buttons:", NO_SHORTCUT, 1,		      HELPCTX(selection_buttons),		      dlg_stdradiobutton_handler,		      I(offsetof(Config, mouse_is_xterm)),		      "Windows (Right pastes, Middle extends)", 'w', I(0),		      "xterm (Right extends, Middle pastes)", 'x', I(1), NULL);    /*     * This really ought to go at the _top_ of its box, not the     * bottom, so we'll just do some shuffling now we've set it     * up...     */    c = s->ctrls[s->ncontrols-1];      /* this should be the new control */    memmove(s->ctrls+1, s->ctrls, (s->ncontrols-1)*sizeof(union control *));    s->ctrls[0] = c;    /*     * Logical palettes don't even make sense anywhere except Windows.     */    s = ctrl_getset(b, "Window/Colours", "general",		    "General options for colour usage");    ctrl_checkbox(s, "Attempt to use logical palettes", 'l',		  HELPCTX(colours_logpal),		  dlg_stdcheckbox_handler, I(offsetof(Config,try_palette)));    /*     * Resize-by-changing-font is a Windows insanity.     */    s = ctrl_getset(b, "Window", "size", "Set the size of the window");    ctrl_radiobuttons(s, "When window is resized:", 'z', 1,		      HELPCTX(window_resize),		      dlg_stdradiobutton_handler,		      I(offsetof(Config, resize_action)),		      "Change the number of rows and columns", I(RESIZE_TERM),		      "Change the size of the font", I(RESIZE_FONT),		      "Change font size only when maximised", I(RESIZE_EITHER),		      "Forbid resizing completely", I(RESIZE_DISABLED), NULL);    /*     * Most of the Window/Behaviour stuff is there to mimic Windows     * conventions which PuTTY can optionally disregard. Hence,     * most of these options are Windows-specific.     */    s = ctrl_getset(b, "Window/Behaviour", "main", NULL);    ctrl_checkbox(s, "Window closes on ALT-F4", '4',		  HELPCTX(behaviour_altf4),		  dlg_stdcheckbox_handler, I(offsetof(Config,alt_f4)));    ctrl_checkbox(s, "System menu appears on ALT-Space", 'y',		  HELPCTX(behaviour_altspace),		  dlg_stdcheckbox_handler, I(offsetof(Config,alt_space)));    ctrl_checkbox(s, "System menu appears on ALT alone", 'l',		  HELPCTX(behaviour_altonly),		  dlg_stdcheckbox_handler, I(offsetof(Config,alt_only)));    ctrl_checkbox(s, "Ensure window is always on top", 'e',		  HELPCTX(behaviour_alwaysontop),		  dlg_stdcheckbox_handler, I(offsetof(Config,alwaysontop)));    ctrl_checkbox(s, "Full screen on Alt-Enter", 'f',		  HELPCTX(behaviour_altenter),		  dlg_stdcheckbox_handler,		  I(offsetof(Config,fullscreenonaltenter)));}