From 2e836ecce1ba0629a6088b739c1092d27fccd72b Mon Sep 17 00:00:00 2001
From: "Anselm R. Garbe" <garbeam@wmii.de>
Date: Wed, 12 Jul 2006 17:17:15 +0200
Subject: added gravity stuff

---
 client.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 event.c  |  4 ++++
 kb.c     |  2 +-
 wm.h     |  5 ++++-
 4 files changed, 76 insertions(+), 7 deletions(-)

diff --git a/client.c b/client.c
index 537336ca..e9b83fe8 100644
--- a/client.c
+++ b/client.c
@@ -18,9 +18,10 @@ max(void *aux)
 		return;
 	stack->x = sx;
 	stack->y = bh;
-	stack->w = sw - 2;
-	stack->h = sh - bh - 2;
+	stack->w = sw - 2 * stack->border;
+	stack->h = sh - bh - 2 * stack->border;
 	resize(stack);
+	discard_events(EnterWindowMask);
 }
 
 void
@@ -43,8 +44,8 @@ arrange(void *aux)
 	else
 		cols = rows;
 
-	gw = (sw - 1)  / cols;
-	gh = (sh - bh - 1) / rows;
+	gw = (sw - 2 * c->border)  / cols;
+	gh = (sh - bh - 2 * c->border) / rows;
 
 	for(i = j = 0, c = clients; c; c = c->next) {
 		c->x = i * gw;
@@ -57,6 +58,7 @@ arrange(void *aux)
 			i = 0;
 		}
 	}
+	discard_events(EnterWindowMask);
 }
 
 void
@@ -161,6 +163,10 @@ update_size(Client *c)
 	}
 	else
 		c->minw = c->minh = 0;
+	if(c->flags & PWinGravity)
+		c->grav = size.win_gravity;
+	else
+		c->grav = NorthWestGravity;
 }
 
 void
@@ -213,6 +219,7 @@ manage(Window w, XWindowAttributes *wa)
 	c->tw = c->w = wa->width;
 	c->h = wa->height;
 	c->th = bh;
+	c->border = 1;
 	update_size(c);
 	XSetWindowBorderWidth(dpy, c->win, 1);
 	XSetWindowBorder(dpy, c->win, brush.border);
@@ -246,6 +253,61 @@ manage(Window w, XWindowAttributes *wa)
 	focus(c);
 }
 
+void
+gravitate(Client *c, Bool invert)
+{
+	int dx = 0, dy = 0;
+
+	switch(c->grav) {
+	case StaticGravity:
+	case NorthWestGravity:
+	case NorthGravity:
+	case NorthEastGravity:
+		dy = c->border;
+		break;
+	case EastGravity:
+	case CenterGravity:
+	case WestGravity:
+		dy = -(c->h / 2) + c->border;
+		break;
+	case SouthEastGravity:
+	case SouthGravity:
+	case SouthWestGravity:
+		dy = -c->h;
+		break;
+	default:
+		break;
+	}
+
+	switch (c->grav) {
+	case StaticGravity:
+	case NorthWestGravity:
+	case WestGravity:
+	case SouthWestGravity:
+		dx = c->border;
+		break;
+	case NorthGravity:
+	case CenterGravity:
+	case SouthGravity:
+		dx = -(c->w / 2) + c->border;
+		break;
+	case NorthEastGravity:
+	case EastGravity:
+	case SouthEastGravity:
+		dx = -(c->w + c->border);
+		break;
+	default:
+		break;
+	}
+
+	if(invert) {
+		dx = -dx;
+		dy = -dy;
+	}
+	c->x += dx;
+	c->y += dy;
+}
+
 void
 resize(Client *c)
 {
@@ -260,7 +322,7 @@ resize(Client *c)
 	e.y = c->y;
 	e.width = c->w;
 	e.height = c->h;
-	e.border_width = 0;
+	e.border_width = c->border;
 	e.above = None;
 	e.override_redirect = False;
 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
diff --git a/event.c b/event.c
index 1db3d965..93007dfc 100644
--- a/event.c
+++ b/event.c
@@ -77,6 +77,7 @@ configurerequest(XEvent *e)
 
 	ev->value_mask &= ~CWSibling;
 	if((c = getclient(ev->window))) {
+		gravitate(c, True);
 		if(ev->value_mask & CWX)
 			c->x = ev->x;
 		if(ev->value_mask & CWY)
@@ -85,6 +86,9 @@ configurerequest(XEvent *e)
 			c->w = ev->width;
 		if(ev->value_mask & CWHeight)
 			c->h = ev->height;
+		if(ev->value_mask & CWBorderWidth)
+			c->border = ev->border_width;
+		gravitate(c, False);
 	}
 
 	wc.x = ev->x;
diff --git a/kb.c b/kb.c
index 76c8be12..ad7c7175 100644
--- a/kb.c
+++ b/kb.c
@@ -8,7 +8,7 @@
 #include <X11/keysym.h>
 
 static const char *term[] = { 
-	"xterm", "-bg", "black", "-fg", "white", "-fn",
+	"aterm", "-tr", "+sb", "-bg", "black", "-fg", "white", "-fn",
 	"-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*", 0 
 };
 
diff --git a/wm.h b/wm.h
index 3d9b63c7..ee89f5b4 100644
--- a/wm.h
+++ b/wm.h
@@ -27,6 +27,8 @@ struct Client {
 	int x, y, w, h;
 	int tx, ty, tw, th;
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
+	int grav;
+	unsigned int border;
 	long flags; 
 	Window win;
 	Window trans;
@@ -73,7 +75,8 @@ extern void lower(Client *c);
 extern void kill(void *aux);
 extern void sel(void *aux);
 extern void max(void *aux);
-extern void arrange();
+extern void arrange(void *aux);
+extern void gravitate(Client *c, Bool invert);
 
 /* event.c */
 extern void discard_events(long even_mask);
-- 
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