Fix for #177

[etc/awesome.git] / layout / cascadetile.lua

diff --git a/layout/cascadetile.lua b/layout/cascadetile.lua
index 2ec097494319cac3c921b0a6bd9892e8ccbe80ed..3baf3e9809b37aa001471037d5b2edd3a5cf0d52 100644 (file)
--- a/layout/cascadetile.lua
+++ b/layout/cascadetile.lua
@@ -50,16 +50,15 @@ function cascadetile.arrange(p)
     local global_border = tonumber(beautiful.global_border_width) or 0
     if global_border < 0 then global_border = 0 end
 
-    -- Themes border width requires an offset
-    local bw = tonumber(beautiful.border_width) or 0
-
     -- Screen.
     local wa = p.workarea
     local cls = p.clients
 
     -- Borders are factored in.
-    wa.height = wa.height - ((global_border * 2) + (bw * 2))
-    wa.width = wa.width - ((global_border * 2) + (bw * 2))
+    wa.height = wa.height - (global_border * 2)
+    wa.width = wa.width - (global_border * 2)
+    wa.x = wa.x + global_border
+    wa.y = wa.y + global_border
 
     -- Width of main column?
     local t = tag.selected(p.screen)
@@ -102,12 +101,16 @@ function cascadetile.arrange(p)
         -- Main column, fixed width and height.
         local c = cls[1]
         local g = {}
-        local mainwid = wa.width * mwfact
+        -- Subtracting the useless_gap width from the work area width here
+        -- makes this mwfact calculation work the same as in uselesstile.
+        -- Rounding is necessary to prevent the rendered size of slavewid
+        -- from being 1 pixel off when the result is not an integer.
+        local mainwid = math.floor((wa.width - useless_gap) * mwfact)
         local slavewid = wa.width - mainwid
 
         if overlap_main == 1
         then
-            g.width = wa.width
+            g.width = wa.width - 2*c.border_width
 
             -- The size of the main window may be reduced a little bit.
             -- This allows you to see if there are any windows below the
@@ -116,12 +119,12 @@ function cascadetile.arrange(p)
             -- overlapping everything else.
             g.width = g.width - cascadetile.extra_padding
         else
-            g.width = mainwid
+            g.width = mainwid - 2*c.border_width
         end
 
-        g.height = wa.height
-        g.x = wa.x + global_border
-        g.y = wa.y + global_border
+        g.height = wa.height - 2*c.border_width
+        g.x = wa.x
+        g.y = wa.y
         if useless_gap > 0
         then
             -- Reduce width once and move window to the right. Reduce
@@ -138,19 +141,21 @@ function cascadetile.arrange(p)
                 g.width = g.width - useless_gap
             end
         end
+        if g.width < 1 then g.width = 1 end
+        if g.height < 1 then g.height = 1 end
         c:geometry(g)
 
         -- Remaining clients stacked in slave column, new ones on top.
         if #cls > 1
         then
-            for i = (#cls),2,-1
+            for i = 2,#cls
             do
                 c = cls[i]
                 g = {}
-                g.width = slavewid - current_offset_x
-                g.height = wa.height - current_offset_y
-                g.x = wa.x + mainwid + (how_many - i) * cascadetile.offset_x
-                g.y = wa.y + (i - 2) * cascadetile.offset_y + global_border
+                g.width = slavewid - current_offset_x - 2*c.border_width
+                g.height = wa.height - current_offset_y - 2*c.border_width
+                g.x = wa.x + mainwid + (how_many - (i - 1)) * cascadetile.offset_x
+                g.y = wa.y + (i - 2) * cascadetile.offset_y
                 if useless_gap > 0
                 then
                     g.width = g.width - 2 * useless_gap
@@ -158,6 +163,8 @@ function cascadetile.arrange(p)
                     g.x = g.x + useless_gap
                     g.y = g.y + useless_gap
                 end
+                if g.width < 1 then g.width = 1 end
+                if g.height < 1 then g.height = 1 end
                 c:geometry(g)
             end
         end