add move/resize windows with keyboard shortcuts

1 files changed, 64 insertions, 0 deletions

diff --git a/dwm.c b/dwm.c
index 07623a5..769bddf 100644
--- a/dwm.c
+++ b/dwm.c
@@ -186,6 +186,7 @@ static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
 static void motionnotify(XEvent *e);
+static void moveresize(const Arg *arg);
 static void movemouse(const Arg *arg);
 static Client *nexttiled(Client *c);
 static void pop(Client *c);
@@ -1127,6 +1128,69 @@ motionnotify(XEvent *e)
 }
 
 void
+moveresize(const Arg *arg) {
+	Client *c;
+	c = selmon->sel;
+	int x, y, w, h, nx, ny, nw, nh, ox, oy, ow, oh;
+	char xAbs, yAbs, wAbs, hAbs;
+	int msx, msy, dx, dy, nmx, nmy;
+	unsigned int dui;
+	Window dummy;
+
+	if (!c || !arg)
+		return;
+	if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
+		return;
+	if (sscanf((char *)arg->v, "%d%c %d%c %d%c %d%c", &x, &xAbs, &y, &yAbs, &w, &wAbs, &h, &hAbs) != 8)
+		return;
+
+	nw = c->w + w;
+	if (wAbs == 'W')
+		nw = w < selmon->mw - 2 * c->bw ? w : selmon->mw - 2 * c->bw;
+
+	nh = c->h + h;
+	if (hAbs == 'H')
+		nh = h < selmon->mh - 2 * c->bw ? h : selmon->mh - 2 * c->bw;
+
+	nx = c->x + x;
+	if (xAbs == 'X') {
+		if (x < selmon->mx)
+			nx = selmon->mx;
+		else if (x > selmon->mx + selmon->mw)
+			nx = selmon->mx + selmon->mw - nw - 2 * c->bw;
+		else
+			nx = x;
+	}
+
+	ny = c->y + y;
+	if (yAbs == 'Y') {
+		if (y < selmon->my)
+			ny = selmon->my;
+		else if (y > selmon->my + selmon->mh)
+			ny = selmon->my + selmon->mh - nh - 2 * c->bw;
+		else
+			ny = y;
+	}
+
+	ox = c->x;
+	oy = c->y;
+	ow = c->w;
+	oh = c->h;
+
+	XRaiseWindow(dpy, c->win);
+	Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
+	resize(c, nx, ny, nw, nh, True);
+
+	if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy)
+	{
+		nmx = c->x - ox + c->w - ow;
+		nmy = c->y - oy + c->h - oh;
+		if ((msx + nmx) > c->x && (msy + nmy) > c->y)
+			XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
+	}
+}
+
+void
 movemouse(const Arg *arg)
 {
 	int x, y, ocx, ocy, nx, ny;