Fixes for the silly case where a client's borders are bigger than its allotted space

layout/cascade.lua

@@ -69,6 +69,8 @@ function cascade.arrange(p)
         g.y = wa.y + (i - 1) * cascade.offset_y
         g.width = wa.width - current_offset_x - 2*c.border_width
         g.height = wa.height - current_offset_y - 2*c.border_width
+        if g.width < 1 then g.width = 1 end
+        if g.height < 1 then g.height = 1 end
 
         c:geometry(g)
     end

layout/cascadetile.lua

@@ -141,6 +141,8 @@ 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.
@@ -161,6 +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

layout/centerfair.lua

@@ -77,6 +77,8 @@ function centerfair.arrange(p)
             local c = cls[i]
             g.width = width - 2*c.border_width
             g.height = wa.height - 2*useless_gap - 2*c.border_width
+            if g.width < 1 then g.width = 1 end
+            if g.height < 1 then g.height = 1 end
             g.x = offset_x + (i - 1) * (width + useless_gap)
             c:geometry(g)
         end
@@ -87,6 +89,8 @@ function centerfair.arrange(p)
         local g = {}
         g.width = wa.width - (num_x - 1)*width - (num_x + 1)*useless_gap - 2*c.border_width
         g.height = wa.height - 2*useless_gap - 2*c.border_width
+        if g.width < 1 then g.width = 1 end
+        if g.height < 1 then g.height = 1 end
         g.x = wa.x + useless_gap
         g.y = wa.y + useless_gap
 
@@ -139,6 +143,8 @@ function centerfair.arrange(p)
                 local c = cls[nclient]
                 g.height = height - 2*c.border_width
                 g.width = width - 2*c.border_width
+                if g.width < 1 then g.width = 1 end
+                if g.height < 1 then g.height = 1 end
                 c:geometry(g)
                 nclient = nclient + 1
                 g.y = g.y + height + useless_gap
@@ -146,6 +152,8 @@ function centerfair.arrange(p)
             local c = cls[nclient]
             g.height = wa.height - (num_y[i] + 1)*useless_gap - (num_y[i] - 1)*height - 2*c.border_width
             g.width = width - 2*c.border_width
+            if g.width < 1 then g.width = 1 end
+            if g.height < 1 then g.height = 1 end
             c:geometry(g)
             nclient = nclient + 1
             g.x = g.x + width + useless_gap

layout/centerwork.lua

@@ -60,6 +60,8 @@ function centerwork.arrange(p)
 
         g.height = wa.height - 2*useless_gap - 2*c.border_width
         g.width = mainwid - 2*c.border_width
+        if g.width < 1 then g.width = 1 end
+        if g.height < 1 then g.height = 1 end
         g.x = wa.x + slaveLwid
         g.y = wa.y + useless_gap
 
@@ -112,6 +114,8 @@ function centerwork.arrange(p)
                     g.height = slaveBhei - 2*useless_gap - 2*c.border_width
                 end
 
+                if g.width < 1 then g.width = 1 end
+                if g.height < 1 then g.height = 1 end
                 c:geometry(g)
 
                 at = at + 1

layout/termfair.lua

@@ -113,6 +113,8 @@ function termfair.arrange(p)
                 g.y = g.y + (this_y + 1)*useless_gap
 
             end
+            if g.width < 1 then g.width = 1 end
+            if g.height < 1 then g.height = 1 end
             c:geometry(g)
             remaining_clients = remaining_clients - 1