WINGs: Marked args as unused for compiler in a few more callback functions

As callback have a fixed prototype, it is correct to not use all the
arguments, so this patch adds the appropriate stuff to avoid a false
report from compiler.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

WINGs/wcolorwell.c

@@ -342,6 +342,9 @@ static void handleActionEvents(XEvent * event, void *data)
 	WMScreen *scr = WMWidgetScreen(cPtr);
 	WMColorPanel *cpanel;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) event;
+
 	if (cPtr->flags.active)
 		W_SetViewBackgroundColor(cPtr->view, scr->gray);
 	else

WINGs/winputmethod.c

@@ -10,6 +10,10 @@ typedef struct W_IMContext {
 
 static void instantiateIM_cb(Display * display, XPointer client_data, XPointer call_data)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) display;
+	(void) call_data;
+
 	W_InitIM((W_Screen *) client_data);
 }
 
@@ -18,6 +22,9 @@ static void destroyIM_cb(XIM xim, XPointer client_data, XPointer call_data)
 	W_Screen *scr = (W_Screen *) client_data;
 	W_View *target;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) call_data;
+
 	if (scr->imctx->xim != xim)
 		return;
 

WINGs/wtext.c

@@ -2059,6 +2059,10 @@ static WMData *requestHandler(WMView * view, Atom selection, Atom target, void *
 	Atom COMPOUND_TEXT = XInternAtom(dpy, "COMPOUND_TEXT", False);
 	WMData *data = NULL;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) selection;
+	(void) cdata;
+
 	if (target == XA_STRING || target == TEXT || target == COMPOUND_TEXT) {
 		char *text = WMGetTextSelectedStream(tPtr);
 
@@ -2093,6 +2097,10 @@ static WMData *requestHandler(WMView * view, Atom selection, Atom target, void *
 
 static void lostHandler(WMView * view, Atom selection, void *cdata)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) selection;
+	(void) cdata;
+
 	releaseSelection((WMText *) view->self);
 }
 
@@ -2340,6 +2348,12 @@ static void pasteText(WMView * view, Atom selection, Atom target, Time timestamp
 	Text *tPtr = (Text *) view->self;
 	char *text;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) selection;
+	(void) target;
+	(void) timestamp;
+	(void) cdata;
+
 	tPtr->flags.waitingForSelection = 0;
 
 	if (data) {

WINGs/wtextfield.c

@@ -244,6 +244,10 @@ static WMData *requestHandler(WMView * view, Atom selection, Atom target, void *
 	Atom COMPOUND_TEXT = XInternAtom(dpy, "COMPOUND_TEXT", False);
 	WMData *data;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) selection;
+	(void) cdata;
+
 	count = tPtr->selection.count < 0
 	    ? tPtr->selection.position + tPtr->selection.count : tPtr->selection.position;
 
@@ -281,6 +285,9 @@ static void lostSelection(WMView * view, Atom selection, void *cdata)
 {
 	TextField *tPtr = (WMTextField *) view->self;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) cdata;
+
 	if (tPtr->flags.ownsSelection) {
 		WMDeleteSelectionHandler(view, selection, CurrentTime);
 		tPtr->flags.ownsSelection = 0;
@@ -1310,6 +1317,12 @@ static void pasteText(WMView * view, Atom selection, Atom target, Time timestamp
 	TextField *tPtr = (TextField *) view->self;
 	char *str;
 
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) selection;
+	(void) target;
+	(void) timestamp;
+	(void) cdata;
+
 	tPtr->flags.waitingSelection = 0;
 
 	if (data != NULL) {