From 3afccadae203821fb15d930225258e5d92d2bb80 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Fri, 19 Oct 2007 15:07:46 +0200
Subject: [PATCH] enhance movetoscreen function by computing new x/y/w/h with
 new screen infos

---
 screen.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/screen.c b/screen.c
index d44847bd4..a86f39b20 100644
--- a/screen.c
+++ b/screen.c
@@ -154,20 +154,32 @@ get_phys_screen(Display *disp, int screen)
 void
 move_client_to_screen(Client *c, awesome_config *acf_new, Bool doresize)
 {
-    int i;
-    ScreenInfo *si;
+    int i, old_screen = c->screen;
+    ScreenInfo *si, *si_old;
 
     c->screen = acf_new->screen;
     p_realloc(&c->tags, acf_new->ntags);
     for(i = 0; i < acf_new->ntags; i++)
         c->tags[i] = acf_new->tags[i].selected;
 
-    si = get_screen_info(c->display, c->screen, &acf_new->statusbar);
-    c->rx = si[c->screen].x_org;
-    c->ry = si[c->screen].y_org;
+    si = get_screen_info(c->display, c->screen, NULL);
+    si_old = get_screen_info(c->display, old_screen, NULL);
+    /* compute new coords in new screen */
+    c->rx -= si_old[old_screen].x_org + si[c->screen].x_org;
+    c->ry -= si_old[old_screen].y_org + si[c->screen].y_org;
+    /* check that new coords are still in the screen */
+    if(c->rw > si[c->screen].width)
+        c->rw = si[c->screen].width;
+    if(c->rh > si[c->screen].height)
+        c->rh = si[c->screen].height;
+    if(c->rx >= si[c->screen].x_org + si[c->screen].width)
+        c->rx = si[c->screen].x_org - c->rw;
+    if(c->ry >= si[c->screen].y_org + si[c->screen].height)
+        c->ry = si[c->screen].y_org - c->rh;
     if(doresize)
         resize(c, c->rx, c->ry, c->rw, c->rh, acf_new, True);
     p_delete(&si);
+    p_delete(&si_old);
 }
 
 /** Move mouse pointer to x_org and y_xorg of specified screen