From 81c164bbf9ed2462e5f9fb7599fa6f0279a087fa Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Mon, 10 Feb 2003 16:12:33 +0000
Subject: add support for desktop layouts specified by pagers

---
 scripts/callbacks.py | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 scripts/defaults.py  |  8 +++++--
 2 files changed, 71 insertions(+), 3 deletions(-)

(limited to 'scripts')

diff --git a/scripts/callbacks.py b/scripts/callbacks.py
index 6c33bc77..f7cb37c1 100644
--- a/scripts/callbacks.py
+++ b/scripts/callbacks.py
@@ -209,7 +209,71 @@ def prev_desktop(data, no_wrap=0):
         d = n - 1
     change_desktop(data, d)
 
-def send_to_desktop(data, num):
+def up_desktop(data, num=1):
+    """Switches to the desktop vertically above the current one. This is based
+       on the desktop layout chosen by an EWMH compliant pager. Optionally, num
+       can be specified to move more than one row at a time."""
+    screen = ob.openbox.screen(data.screen)
+    d = screen.desktop()
+    n = screen.numDesktops()
+    l = screen.desktopLayout()
+
+    target = d - num * l.columns
+    if target < 0:
+        target += l.rows * l.columns
+    while target >= n:
+        target -= l.columns
+    change_desktop(data, target)
+
+def down_desktop(data, num=1):
+    """Switches to the desktop vertically below the current one. This is based
+       on the desktop layout chosen by an EWMH compliant pager. Optionally, num
+       can be specified to move more than one row at a time."""
+    screen = ob.openbox.screen(data.screen)
+    d = screen.desktop()
+    n = screen.numDesktops()
+    l = screen.desktopLayout()
+
+    target = d + num * l.columns
+    if target >= n:
+        target -= l.rows * l.columns
+    while target < 0:
+        target += l.columns
+    change_desktop(data, target)
+
+def left_desktop(data, num=1):
+    """Switches to the desktop horizotally left of the current one. This is
+       based on the desktop layout chosen by an EWMH compliant pager.
+       Optionally, num can be specified to move more than one column at a
+       time."""
+    screen = ob.openbox.screen(data.screen)
+    d = screen.desktop()
+    n = screen.numDesktops()
+    l = screen.desktopLayout()
+
+    rowstart = d - d % l.columns
+    target = d - num
+    while target < rowstart:
+        target += l.columns
+    change_desktop(data, target)
+
+def right_desktop(data, num=1):
+    """Switches to the desktop horizotally right of the current one. This is
+       based on the desktop layout chosen by an EWMH compliant pager.
+       Optionally, num can be specified to move more than one column at a
+       time."""
+    screen = ob.openbox.screen(data.screen)
+    d = screen.desktop()
+    n = screen.numDesktops()
+    l = screen.desktopLayout()
+
+    rowstart = d - d % l.columns
+    target = d + num
+    while target >= rowstart + l.columns:
+        target -= l.columns
+    change_desktop(data, target)
+
+def send_to_desktop(data, num=1):
     """Sends a client to a specified desktop"""
     if not data.client: return
     ob.send_client_msg(otk.display.screenInfo(data.screen).rootWindow(),
diff --git a/scripts/defaults.py b/scripts/defaults.py
index 04143e11..98c57ce5 100644
--- a/scripts/defaults.py
+++ b/scripts/defaults.py
@@ -53,9 +53,13 @@ ob.kbind(["C-2"], ob.KeyContext.All, lambda(d): callbacks.change_desktop(d, 1))
 ob.kbind(["C-3"], ob.KeyContext.All, lambda(d): callbacks.change_desktop(d, 2))
 ob.kbind(["C-4"], ob.KeyContext.All, lambda(d): callbacks.change_desktop(d, 3))
 ob.kbind(["C-A-Right"], ob.KeyContext.All,
-         lambda(d): callbacks.next_desktop(d))
+         lambda(d): callbacks.right_desktop(d))
 ob.kbind(["C-A-Left"], ob.KeyContext.All,
-         lambda(d): callbacks.prev_desktop(d))
+         lambda(d): callbacks.left_desktop(d))
+ob.kbind(["C-A-Up"], ob.KeyContext.All,
+         lambda(d): callbacks.up_desktop(d))
+ob.kbind(["C-A-Down"], ob.KeyContext.All,
+         lambda(d): callbacks.down_desktop(d))
 
 ob.kbind(["C-S-A-Right"], ob.KeyContext.All,
          lambda(d): callbacks.send_to_next_desktop(d))
-- 
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