Adding dragcfact patch, ref. #19

1 files changed, 71 insertions, 0 deletions

diff --git a/patch/dragcfact.c b/patch/dragcfact.c
new file mode 100644
index 0000000..205b12a
--- /dev/null
+++ b/patch/dragcfact.c
@@ -0,0 +1,71 @@
+void
+dragcfact(const Arg *arg)
+{
+	int prev_x, prev_y, dist_x, dist_y;
+	float fact;
+	Client *c;
+	XEvent ev;
+	Time lasttime = 0;
+
+	if (!(c = selmon->sel))
+		return;
+	if (c->isfloating) /* no support rezising floating windows */
+		return;
+	#if !FAKEFULLSCREEN_PATCH
+	#if FAKEFULLSCREEN_CLIENT_PATCH
+	if (c->isfullscreen && !c->fakefullscreen) /* no support resizing fullscreen windows by mouse */
+		return;
+	#else
+	if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
+		return;
+	#endif // FAKEFULLSCREEN_CLIENT_PATCH
+	#endif // !FAKEFULLSCREEN_PATCH
+	restack(selmon);
+
+	if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
+		None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
+		return;
+	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w/2, c->h/2);
+
+	prev_x = prev_y = -999999;
+
+	do {
+		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
+		switch(ev.type) {
+		case ConfigureRequest:
+		case Expose:
+		case MapRequest:
+			handler[ev.type](&ev);
+			break;
+		case MotionNotify:
+			if ((ev.xmotion.time - lasttime) <= (1000 / 60))
+				continue;
+			lasttime = ev.xmotion.time;
+			if (prev_x == -999999) {
+				prev_x = ev.xmotion.x_root;
+				prev_y = ev.xmotion.y_root;
+			}
+
+			dist_x = ev.xmotion.x - prev_x;
+			dist_y = ev.xmotion.y - prev_y;
+
+			if (abs(dist_x) > abs(dist_y)) {
+				fact = (float) 4.0 * dist_x / c->mon->ww;
+			} else {
+				fact = (float) -4.0 * dist_y / c->mon->wh;
+			}
+
+			setcfact(&((Arg) { .f = fact }));
+
+			prev_x = ev.xmotion.x;
+			prev_y = ev.xmotion.y;
+			break;
+		}
+	} while (ev.type != ButtonRelease);
+
+
+	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w/2, c->h/2);
+
+	XUngrabPointer(dpy, CurrentTime);
+	while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
\ No newline at end of file