Use stairtype setting when designating a single-layer staircase

changelog.txt

@@ -32,6 +32,8 @@ Template for new versions:
 ## New Features
 
 ## Fixes
+- `gui/design`: designating a single-level stair construction now properly follows the selected stair type.
+- `gui/design`: adjusted conflicting keybinds, diagonal line reverse becoming ``R`` and bottom stair type becoming ``g``.
 
 ## Misc Improvements
 

docs/gui/design.rst

@@ -45,7 +45,7 @@ Shapes
     - Spacing can be increased/decreased using 'T'/'t'.
     - They can be inverted using 'i'.
 - Diagonal
-    - Direction can be reversed using 'r'.
+    - Direction can be reversed using 'R'.
     - Spacing can be increased/decreased using 'T'/'t'.
     - They can be inverted using 'i'.
 - Line

gui/design.lua

@@ -408,7 +408,7 @@ function Design:init()
                         widgets.CycleHotkeyLabel {
                             view_id='stairs_bottom_subtype',
                             frame={t=1, l=0},
-                            key='CUSTOM_SHIFT_B',
+                            key='CUSTOM_G',
                             label='Bottom Stair Type:',
                             visible=function()
                                 local bounds = self:get_view_bounds()
@@ -1345,8 +1345,15 @@ function Design:get_designation(point)
     if mode.desig == 'i' then
         local stairs_top_type = self.subviews.stairs_top_subtype:getOptionValue()
         local stairs_bottom_type = self.subviews.stairs_bottom_subtype:getOptionValue()
+        local stairs_only_type = self.subviews.stairs_only_subtype:getOptionValue()
         if point.z == 0 then
-            return stairs_bottom_type == 'auto' and 'u' or stairs_bottom_type
+            if view_bounds.z1 == view_bounds.z2 then
+                -- Single layer staircase
+                return stairs_only_type
+            else
+                -- Bottom of multi-level staircase
+                return stairs_bottom_type == 'auto' and 'u' or stairs_bottom_type
+        end
         elseif view_bounds and point.z == math.abs(view_bounds.z1 - view_bounds.z2) then
             local pos = Point{x=view_bounds.x1, y=view_bounds.y1, z=view_bounds.z1} + point
             local tile_type = dfhack.maps.getTileType(xyz2pos(pos.x, pos.y, pos.z))

internal/design/shapes.lua

@@ -384,7 +384,7 @@ function Diag:init()
             name = "Reverse",
             type = "bool",
             value = false,
-            key = "CUSTOM_R",
+            key = "CUSTOM_SHIFT_R",
         },
     }
 end