From b6614261ea48c9711cefd79601e09fa764ee3075 Mon Sep 17 00:00:00 2001
From: "arg@mig29" <unknown>
Date: Mon, 30 Oct 2006 11:58:05 +0100
Subject: [PATCH] added screen-border snapping in floating mode, feels quite
 well

---
 config.arg.h     |    1 +
 config.default.h |    1 +
 event.c          |    8 ++++++++
 3 files changed, 10 insertions(+)

diff --git a/config.arg.h b/config.arg.h
index 84f37a7..30bfaf9 100644
--- a/config.arg.h
+++ b/config.arg.h
@@ -19,6 +19,7 @@ const char *tags[] = { "dev", "work", "net", "fnord", NULL };
 
 #define MASTER			600 /* per thousand */
 #define MODKEY			Mod1Mask
+#define SNAP			20 /* pixel */
 
 #define KEYS \
 static Key key[] = { \
diff --git a/config.default.h b/config.default.h
index fb452f2..0a595a2 100644
--- a/config.default.h
+++ b/config.default.h
@@ -19,6 +19,7 @@ const char *tags[] = { "1", "2", "3", "4", "5", NULL };
 
 #define MASTER			600 /* per thousand */
 #define MODKEY			Mod1Mask
+#define SNAP			20 /* pixel */
 
 #define KEYS \
 static Key key[] = { \
diff --git a/event.c b/event.c
index bf88819..d0f446f 100644
--- a/event.c
+++ b/event.c
@@ -48,6 +48,14 @@ movemouse(Client *c) {
 			XSync(dpy, False);
 			c->x = ocx + (ev.xmotion.x - x1);
 			c->y = ocy + (ev.xmotion.y - y1);
+			if(abs(c->x) < sx + SNAP)
+				c->x = sx;
+			if(abs(c->y) < sy + bh + SNAP)
+				c->y = sy + bh;
+			if(abs(c->x + c->w) > sx + sw - SNAP)
+				c->x = sw - c->w - 2 * BORDERPX;
+			if(abs(c->y + c->h) > sy + sh - SNAP)
+				c->y = sh - c->h - 2 * BORDERPX;
 			resize(c, False, TopLeft);
 			break;
 		}
-- 
1.7.10.4