diff -urN WindowMaker-0.80.2/src/appicon.c WindowMaker-0.80.2.modif/src/appicon.c
--- WindowMaker-0.80.2/src/appicon.c	2002-01-08 14:45:07.000000000 +0100
+++ WindowMaker-0.80.2.modif/src/appicon.c	2002-12-09 08:59:22.000000000 +0100
@@ -596,6 +596,7 @@
     int shad_x = 0, shad_y = 0, docking=0, dockable, collapsed = 0;
     int ix, iy;
     int clickButton = event->xbutton.button;
+    Bool hasMoved = False;
     Pixmap ghost = None;
     Window wins[2];
     Bool movingSingle = False;
@@ -676,6 +677,7 @@
 	    break;
 
 	 case MotionNotify:
+	    hasMoved = True;
 	    if (!grabbed) {
 		if (abs(dx-ev.xmotion.x)>=MOVE_THRESHOLD
 		    || abs(dy-ev.xmotion.y)>=MOVE_THRESHOLD) {
@@ -812,7 +814,8 @@
 
 	    if (wPreferences.auto_arrange_icons)
 		wArrangeIcons(scr, True);
-
+	    if (!hasMoved && wPreferences.single_click)
+		iconDblClick(desc, event);
 	    done = 1;
 	    break;
 	}
diff -urN WindowMaker-0.80.2/src/defaults.c WindowMaker-0.80.2.modif/src/defaults.c
--- WindowMaker-0.80.2/src/defaults.c	2002-01-08 14:45:07.000000000 +0100
+++ WindowMaker-0.80.2.modif/src/defaults.c	2002-12-09 09:00:01.000000000 +0100
@@ -548,6 +548,9 @@
     {"DisableBlinking",	"NO",		NULL,
 	   &wPreferences.dont_blink,	getBool,	NULL
     },
+    {"SingleClickLaunch", "NO",		NULL,
+	   &wPreferences.single_click,	getBool,	NULL
+    },   
       /* style options */
     {"MenuStyle", 	"normal",  		seMenuStyles,
 	&wPreferences.menu_style, getEnum, 	setMenuStyle
diff -urN WindowMaker-0.80.2/src/dock.c WindowMaker-0.80.2.modif/src/dock.c
--- WindowMaker-0.80.2/src/dock.c	2002-02-21 12:28:48.000000000 +0100
+++ WindowMaker-0.80.2.modif/src/dock.c	2002-12-09 09:02:58.000000000 +0100
@@ -3773,7 +3773,7 @@
 
 
 
-static void
+static Bool
 handleIconMove(WDock *dock, WAppIcon *aicon, XEvent *event)
 {
     WScreen *scr = dock->screen_ptr;
@@ -3789,6 +3789,7 @@
     int tmp;
     Pixmap ghost = None;
     Bool docked;
+    Bool hasMoved = False;
     int superfluous = wPreferences.superfluous; /* we catch it to avoid problems */
     int omnipresent = aicon->omnipresent; /* this must be cached!!! */
 
@@ -3843,6 +3844,7 @@
 	    break;
 
 	 case MotionNotify:
+	    hasMoved = True;
 	    if (!grabbed) {
 		if (abs(ofs_x-ev.xmotion.x)>=MOVE_THRESHOLD
 		    || abs(ofs_y-ev.xmotion.y)>=MOVE_THRESHOLD) {
@@ -3992,7 +3994,7 @@
 #ifdef DEBUG
 	    puts("End icon move");
 #endif
-	    return;
+	    return hasMoved;
 	}
     }
 }
@@ -4131,8 +4133,11 @@
                 handleClipChangeWorkspace(scr, event);
             else
                 handleDockMove(dock, aicon, event);
-        } else
-	    handleIconMove(dock, aicon, event);
+	} else {
+	    Bool hasMoved = handleIconMove(dock, aicon, event);
+	    if (!hasMoved && wPreferences.single_click)
+	        iconDblClick(desc, event);
+	}
 
     } else if (event->xbutton.button==Button2 && dock->type==WM_CLIP &&
                aicon==scr->clip_icon) {
diff -urN WindowMaker-0.80.2/src/icon.c WindowMaker-0.80.2.modif/src/icon.c
--- WindowMaker-0.80.2/src/icon.c	2002-02-21 12:28:48.000000000 +0100
+++ WindowMaker-0.80.2.modif/src/icon.c	2002-12-09 09:04:53.000000000 +0100
@@ -879,6 +879,7 @@
     int dx=event->xbutton.x, dy=event->xbutton.y;
     int grabbed=0;
     int clickButton=event->xbutton.button;
+    Bool hasMoved = False;
 
     if (WCHECK_STATE(WSTATE_MODAL))
 	return;
@@ -930,6 +931,7 @@
 	    break;
 
 	 case MotionNotify:
+	    hasMoved = True;
 	    if (!grabbed) {
 		if (abs(dx-ev.xmotion.x)>=MOVE_THRESHOLD
 		    || abs(dy-ev.xmotion.y)>=MOVE_THRESHOLD) {
@@ -967,6 +969,8 @@
 
 	    if (wPreferences.auto_arrange_icons)
 		wArrangeIcons(wwin->screen_ptr, True);
+	    if (!hasMoved && wPreferences.single_click)
+		miniwindowDblClick(desc, event);
 	    return;
 	    
 	}
diff -urN WindowMaker-0.80.2/src/WindowMaker.h WindowMaker-0.80.2.modif/src/WindowMaker.h
--- WindowMaker-0.80.2/src/WindowMaker.h	2002-02-21 12:28:48.000000000 +0100
+++ WindowMaker-0.80.2.modif/src/WindowMaker.h	2002-12-09 08:57:47.000000000 +0100
@@ -464,6 +464,9 @@
     /* shading animation */
     signed char shade_speed;
 
+    /* single click to lauch applications */
+    char single_click;
+
     int edge_resistance;
     char attract;
 
diff -urN WindowMaker-0.80.2/WPrefs.app/Expert.c WindowMaker-0.80.2.modif/WPrefs.app/Expert.c
--- WindowMaker-0.80.2/WPrefs.app/Expert.c	2002-01-08 14:44:38.000000000 +0100
+++ WindowMaker-0.80.2.modif/WPrefs.app/Expert.c	2002-12-09 08:56:09.000000000 +0100
@@ -54,6 +54,7 @@
     WMSetButtonSelected(panel->swi[4], GetBoolForKey("WindozeCycling"));
     WMSetButtonSelected(panel->swi[5], GetBoolForKey("DontConfirmKill"));
     WMSetButtonSelected(panel->swi[6], GetBoolForKey("DisableBlinking"));
+    WMSetButtonSelected(panel->swi[7], GetBoolForKey("SingleClickLaunch"));
 }
 
 
@@ -66,7 +67,7 @@
     panel->box = WMCreateBox(panel->parent);
     WMSetViewExpandsToParent(WMWidgetView(panel->box), 2, 2, 2, 2);
 
-    for (i=0; i<7; i++) {
+    for (i=0; i<8; i++) {
 	panel->swi[i] = WMCreateSwitchButton(panel->box);
 	WMResizeWidget(panel->swi[i], FRAME_WIDTH-40, 25);
 	WMMoveWidget(panel->swi[i], 20, 20+i*25);
@@ -79,6 +80,7 @@
     WMSetButtonText(panel->swi[4], _("Use Windoze style cycling."));
     WMSetButtonText(panel->swi[5], _("Disable confirmation panel for the Kill command."));
     WMSetButtonText(panel->swi[6], _("Disable selection animation for selected icons."));
+    WMSetButtonText(panel->swi[7], _("Launch applications and restore windows with a single click"));
 
     WMRealizeWidget(panel->box);
     WMMapSubwidgets(panel->box);
@@ -101,6 +103,7 @@
     SetBoolForKey(WMGetButtonSelected(panel->swi[4]), "WindozeCycling");
     SetBoolForKey(WMGetButtonSelected(panel->swi[5]), "DontConfirmKill");
     SetBoolForKey(WMGetButtonSelected(panel->swi[6]), "DisableBlinking");
+    SetBoolForKey(WMGetButtonSelected(panel->swi[7]), "SingleClickLaunch");
 }