warp: dragmfact + dragcfact compatibility

These set of changes introduce:
   a) a flag to ignore warp from happening while dragmfact or
      dragcfact is being used and
   b) a flag to force warp when killclient or showhideclient
      is used, to make for a more intuitive experience

ref. https://github.com/bakkeby/patches/issues/11

4 files changed, 40 insertions, 14 deletions

diff --git a/patch/bar_wintitleactions.c b/patch/bar_wintitleactions.c
index a9ae3e1..e94fe06 100644
--- a/patch/bar_wintitleactions.c
+++ b/patch/bar_wintitleactions.c
@@ -80,6 +80,9 @@ showhideclient(const Arg *arg)
 	if (!c)
 		return;
 
+	#if WARP_PATCH
+	force_warp = 1;
+	#endif // WARP_PATCH
 	if (HIDDEN(c)) {
 		show(c);
 		focus(c);
diff --git a/patch/dragcfact.c b/patch/dragcfact.c
index a99f046..fce5c92 100644
--- a/patch/dragcfact.c
+++ b/patch/dragcfact.c
@@ -27,6 +27,11 @@ dragcfact(const Arg *arg)
 	if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 		None, cursor[CurIronCross]->cursor, CurrentTime) != GrabSuccess)
 		return;
+
+	#if WARP_PATCH
+	ignore_warp = 1;
+	#endif // WARP_PATCH
+
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w/2, c->h/2);
 
 	prev_x = prev_y = -999999;
@@ -66,6 +71,9 @@ dragcfact(const Arg *arg)
 		}
 	} while (ev.type != ButtonRelease);
 
+	#if WARP_PATCH
+	ignore_warp = 0;
+	#endif // WARP_PATCH
 
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w/2, c->h/2);
 
diff --git a/patch/dragmfact.c b/patch/dragmfact.c
index 1bcf38c..257b5c1 100644
--- a/patch/dragmfact.c
+++ b/patch/dragmfact.c
@@ -152,6 +152,11 @@ dragmfact(const Arg *arg)
 	if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 		None, cursor[horizontal ? CurResizeVertArrow : CurResizeHorzArrow]->cursor, CurrentTime) != GrabSuccess)
 		return;
+
+	#if WARP_PATCH
+	ignore_warp = 1;
+	#endif // WARP_PATCH
+
 	XWarpPointer(dpy, None, root, 0, 0, 0, 0, px, py);
 
 	do {
@@ -217,6 +222,10 @@ dragmfact(const Arg *arg)
 		}
 	} while (ev.type != ButtonRelease);
 
+	#if WARP_PATCH
+	ignore_warp = 0;
+	#endif // WARP_PATCH
+
 	XUngrabPointer(dpy, CurrentTime);
 	while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
\ No newline at end of file
diff --git a/patch/warp.c b/patch/warp.c
index 45048e2..e266656 100644
--- a/patch/warp.c
+++ b/patch/warp.c
@@ -5,26 +5,32 @@ warp(const Client *c)
 	Bar *bar;
 	int x, y;
 
+	if (ignore_warp)
+		return;
+
 	if (!c) {
 		XWarpPointer(dpy, None, root, 0, 0, 0, 0, selmon->wx + selmon->ww / 2, selmon->wy + selmon->wh / 2);
 		return;
 	}
 
-	if (!getrootptr(&x, &y) ||
-		(x > c->x - c->bw &&
-		 y > c->y - c->bw &&
-		 x < c->x + c->w + c->bw*2 &&
-		 y < c->y + c->h + c->bw*2)
-	)
-		return;
+	if (!force_warp) {
+		if (!getrootptr(&x, &y) ||
+			(x > c->x - c->bw &&
+			 y > c->y - c->bw &&
+			 x < c->x + c->w + c->bw*2 &&
+			 y < c->y + c->h + c->bw*2)
+		)
+			return;
 
-	for (m = mons; m; m = m->next)
-		for (bar = m->bar; bar; bar = bar->next)
-			if (x > bar->bx &&
-				x < bar->bx + bar->bw &&
-				y > bar->by &&
-				y < bar->by + bar->bh)
-				return;
+		for (m = mons; m; m = m->next)
+			for (bar = m->bar; bar; bar = bar->next)
+				if (x > bar->bx &&
+					x < bar->bx + bar->bw &&
+					y > bar->by &&
+					y < bar->by + bar->bh)
+					return;
+	} else
+		force_warp = 0;
 
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
 }