WINGs: Make the test examples to compile

Those examples are optional but currently cannot compile properly.
The compiler is reporting some unused variables and missing header file.

WINGs/Tests/Makefile.am

@@ -17,4 +17,5 @@ wtest_DEPENDENCIES = $(top_builddir)/WINGs/libWINGs.la
 EXTRA_DIST = logo.xpm upbtn.xpm wm.html wm.png
 
 AM_CPPFLAGS = -I$(top_srcdir)/WINGs -I$(top_srcdir)/wrlib -I$(top_srcdir)/src \
-	-DRESOURCE_PATH=\"$(datadir)/WINGs\" @XFT_CFLAGS@ @HEADER_SEARCH_PATH@
+	-DRESOURCE_PATH=\"$(datadir)/WINGs\" @XFT_CFLAGS@ @HEADER_SEARCH_PATH@ \
+	@PANGO_CFLAGS@

WINGs/Tests/mywidget.c

@@ -64,6 +64,7 @@ static W_Class myWidgetClass = 0;
  */
 W_Class InitMyWidget(WMScreen * scr)
 {
+	(void)scr;
 	/* register our widget with WINGs and get our widget class ID */
 	if (!myWidgetClass) {
 		myWidgetClass = W_RegisterUserWidget();

WINGs/Tests/testmywidget.c

@@ -4,7 +4,7 @@
 
 #include "mywidget.h"
 
-void wAbort()
+_Noreturn void wAbort(void)
 {
 	exit(1);
 }

WINGs/Tests/wmfile.c

@@ -19,14 +19,14 @@
 
 #include "logo.xpm"
 
-void wAbort()
+_Noreturn void wAbort(void)
 {
 	exit(1);
 }
 
 char *ProgName;
 
-void usage(void)
+_Noreturn void usage(void)
 {
 	fprintf(stderr,
 		"usage:\n"
@@ -53,13 +53,10 @@ int main(int argc, char **argv)
 	WMPixmap *pixmap;
 	WMOpenPanel *oPanel;
 	WMSavePanel *sPanel;
-	/*  RImage *image; */
 	char *title = NULL;
 	char *initial = "/";
 	int ch;
 	int panelType = OPEN_PANEL_TYPE;
-	extern char *optarg;
-	extern int optind;
 
 	if (!dpy) {
 		puts("could not open display");
@@ -96,14 +93,14 @@ int main(int argc, char **argv)
 	if (panelType == SAVE_PANEL_TYPE) {
 		sPanel = WMGetSavePanel(scr);
 		if (WMRunModalFilePanelForDirectory(sPanel, NULL, initial,
-						    /*title */ NULL, NULL) == True)
+						    title, NULL) == True)
 			printf("%s\n", WMGetFilePanelFileName(sPanel));
 		else
 			printf("\n");
 	} else {
 		oPanel = WMGetOpenPanel(scr);
 		if (WMRunModalFilePanelForDirectory(oPanel, NULL, initial,
-						    /*title */ NULL, NULL) == True)
+						   title, NULL) == True)
 			printf("%s\n", WMGetFilePanelFileName(oPanel));
 		else
 			printf("\n");

WINGs/Tests/wmquery.c

@@ -11,14 +11,14 @@
 
 #include "logo.xpm"
 
-void wAbort()
+_Noreturn void wAbort(void)
 {
-	exit(1);
+	 exit(1);
 }
 
 char *ProgName;
 
-void usage(void)
+_Noreturn void usage(void)
 {
 	fprintf(stderr,
 		"usage:\n"
@@ -45,8 +45,6 @@ int main(int argc, char **argv)
 	char *initial = NULL;
 	char *result = NULL;
 	int ch;
-	extern char *optarg;
-	extern int optind;
 
 	WMInitializeApplication("WMQuery", &argc, argv);
 

WINGs/Tests/wtest.c

@@ -14,7 +14,7 @@
  * This will be called when the application will be terminated because
  * of a fatal error (only for memory allocation failures ATM).
  */
-void wAbort()
+_Noreturn void wAbort(void)
 {
 	exit(1);
 }
@@ -25,6 +25,7 @@ int windowCount = 0;
 
 void closeAction(WMWidget * self, void *data)
 {
+	(void)data;
 	WMDestroyWidget(self);
 	windowCount--;
 	printf("window closed, window count = %d\n", windowCount);
@@ -165,10 +166,13 @@ void testBox(WMScreen * scr)
 
 static void singleClick(WMWidget * self, void *data)
 {
+	(void)self;
+	(void)data;
 }
 
 static void doubleClick(WMWidget * self, void *data)
 {
+	(void)data;
 	WMSelectAllListItems((WMList *) self);
 }
 
@@ -480,6 +484,7 @@ void testColorPanel(WMScreen * scr)
 
 void sliderCallback(WMWidget * w, void *data)
 {
+	(void)data;
 	printf("SLIDER == %i\n", WMGetSliderValue(w));
 }
 
@@ -749,6 +754,8 @@ void testTabView(WMScreen * scr)
 
 void splitViewConstrainProc(WMSplitView * sPtr, int indView, int *minSize, int *maxSize)
 {
+	(void)sPtr;
+
 	switch (indView) {
 	case 0:
 		*minSize = 20;
@@ -782,6 +789,7 @@ static void resizeSplitView(XEvent * event, void *data)
 
 void appendSubviewButtonAction(WMWidget * self, void *data)
 {
+	(void)self;
 	WMSplitView *sPtr = (WMSplitView *) data;
 	char buf[64];
 	WMLabel *label = WMCreateLabel(sPtr);
@@ -796,6 +804,7 @@ void appendSubviewButtonAction(WMWidget * self, void *data)
 
 void removeSubviewButtonAction(WMWidget * self, void *data)
 {
+	(void)self;
 	WMSplitView *sPtr = (WMSplitView *) data;
 	int count = WMGetSplitViewSubviewsCount(sPtr);
 
@@ -808,12 +817,14 @@ void removeSubviewButtonAction(WMWidget * self, void *data)
 
 void orientationButtonAction(WMWidget * self, void *data)
 {
+	(void)self;
 	WMSplitView *sPtr = (WMSplitView *) data;
 	WMSetSplitViewVertical(sPtr, !WMGetSplitViewVertical(sPtr));
 }
 
 void adjustSubviewsButtonAction(WMWidget * self, void *data)
 {
+	(void)self;
 	WMAdjustSplitViewSubviews((WMSplitView *) data);
 }
 
@@ -902,7 +913,7 @@ void testSplitView(WMScreen * scr)
 	WMMapWidget(win);
 }
 
-void testUD()
+void testUD(void)
 {
 	WMUserDefaults *defs;
 	char str[32];