Per-window setting of draft mode.

README.md

@@ -269,6 +269,8 @@ The geometry of the window is from the upper-left corner of the UL to the bottom
 This is suppose to work with areas produced with `d` or `w` operation.
 To enable draft mode in a layout, configure the layout with a command with a leading `d`, for example, `d12210121`, or `dw66`.
 
+__New in machi-ng:__ draft mode can be overrided by per-window settings. Use `f` or `.` key in switcher UI, or change the `c.machi_draft` boolean for window `c`.
+
 ### Nested layouts
 
 __This feature is a toy. It may come with performance and usability issues - you have been warned.__
@@ -279,7 +281,7 @@ Known caveats include:
 2. `client.*wfact` and other layout related operations don't work as machi fakes tag data to the nested layout engine.
     But it hopefully works if one changes the fields in the faked tag data.
 
-__This feature is not available in draft mode.__
+__This feature is not available for windows in draft mode.__
 
 To set up nested layouts, you first need to check/modify `machi.editor.nested_layouts` array, which maps an argument string (`[0-9,]+`) to a layout object.
 In machi command, use the argument string with command `x` will set up the nested layout of the area to the mapped one.
@@ -302,8 +304,9 @@ Calling `machi.switcher.start()` will create a switcher supporting the following
  - `Shift` + arrow keys: move the focused window to other areas by the direction. In draft mode, move the window while preserving its size.
  - `Control`[ + `Shift`] + arrow keys: move the bottom-right (or top-left window if `Shift` is pressed) area of the focused window by direction. Only works in draft mode.
  - `Tab`: switch beteen windows covering the current areas.
- - `u` or `PageUp` (`Prior`): In non-draft mode, you can select the parent of the current area.
+ - `u` or `PageUp` (`Prior`): select the parent of the current area.
- - `/`: In non-draft mode, this opens the editor to edit the selected area using the same command interpretation.
+ - `f` or `.`: toggle the per-window setting of draft mode.
+ - `/`: open the editor to edit the selected area using the same command interpretation.
    Note the final command may be transcoded to be embeddable, but the areas shall be the same.
 
 So far, the key binding is not configurable. One has to modify the source code to change it.

layout.lua

@@ -212,12 +212,15 @@ function module.create(args_or_name, editor, default_cmd)
             end
         end
 
-        if draft_mode then
         for i, c in ipairs(cls) do
             if c.floating or c.immobilized then
                 log(DEBUG, "Ignore client " .. tostring(c))
             else
+                local in_draft = c.machi_draft
+                if in_draft == nil then in_draft = draft_mode end
                 local skip = false
+
+                if in_draft then
                     if c.machi.lu ~= nil and c.machi.rd ~= nil and
                         c.machi.lu <= #areas and c.machi.rd <= #areas and
                         not areas[c.machi.lu].inhabitable and not areas[c.machi.rd].inhabitable
@@ -249,12 +252,6 @@ function module.create(args_or_name, editor, default_cmd)
                         p.geometries[c] = {}
                         module.set_geometry(p.geometries[c], areas[lu], areas[rd], useless_gap, 0)
                     end
-                end
-            end
-        else
-            for i, c in ipairs(cls) do
-                if c.floating or c.immobilized then
-                    log(DEBUG, "Ignore client " .. tostring(c))
                 else
                     if c.machi.area ~= nil and
                         c.machi.area < #areas and
@@ -281,6 +278,7 @@ function module.create(args_or_name, editor, default_cmd)
                     end
                 end
             end
+        end
 
         for area, clients in pairs(nested_clients) do
             if instance.tag_data[area] == nil then
@@ -329,14 +327,15 @@ function module.create(args_or_name, editor, default_cmd)
             end
         end
     end
-    end
 
     local function resize_handler (c, context, h)
         local areas, draft_mode = get_areas(c.screen, c.screen.selected_tag)
+        if areas == nil then return end
 
-        if #areas == 0 then return end
+        local in_draft = c.machi_draft
+        if in_draft == nil then in_draft = draft_mode end
 
-        if draft_mode then
+        if in_draft then
             local lu = find_lu(h, areas)
             local rd = nil
             if lu ~= nil then
@@ -375,25 +374,25 @@ function module.create(args_or_name, editor, default_cmd)
         else
             if context ~= "mouse.move" then return end
 
-            if #areas == 0 then return end
-
             local center_x = h.x + h.width / 2
             local center_y = h.y + h.height / 2
 
-            local choice = 1
+            local choice = nil
             local choice_value = nil
 
-            for i, r in ipairs(areas) do
+            for i, a in ipairs(areas) do
-                local r_x = r.x + r.width / 2
+                if not a.inhabitable then
-                local r_y = r.y + r.height / 2
+                    local ac_x = a.x + a.width / 2
-                local dis = (r_x - center_x) * (r_x - center_x) + (r_y - center_y) * (r_y - center_y)
+                    local ac_y = a.y + a.height / 2
+                    local dis = (ac_x - center_x) * (ac_x - center_x) + (ac_y - center_y) * (ac_y - center_y)
                     if choice_value == nil or choice_value > dis then
                         choice = i
                         choice_value = dis
                     end
                 end
+            end
 
-            if c.machi.area ~= choice then
+            if choice and c.machi.area ~= choice then
                 c.machi.area = choice
                 module.set_geometry(c, areas[choice], areas[choice], 0, c.border_width)
             end

switcher.lua

@@ -430,7 +430,10 @@ function module.start(c, exit_keys)
             tablist = nil
             set_selected_area(nil)
 
-            if c and ctrl and draft_mode then
+            if c then
+                local in_draft = c and c.machi_draft
+                if in_draft == nil then in_draft = draft_mode end
+                if ctrl and in_draft then
                     local lu = c.machi.lu
                     local rd = c.machi.rd
 
@@ -465,9 +468,9 @@ function module.start(c, exit_keys)
                     c:emit_signal("request::activate", "mouse.move", {raise=false})
                     c:raise()
                     api.layout.arrange(screen)
-            elseif c and shift then
+                elseif shift then
                     -- move the window
-               if draft_mode then
+                    if in_draft then
                         c.x = areas[choice].x
                         c.y = areas[choice].y
                     else
@@ -479,6 +482,7 @@ function module.start(c, exit_keys)
                     api.layout.arrange(screen)
 
                     tablist = nil
+                end
             else
                 maintain_tablist()
                 -- move the focus
@@ -490,14 +494,14 @@ function module.start(c, exit_keys)
 
             infobox.bgimage = draw_info
          end
-      elseif (key == "u" or key == "Prior") and not draft_mode then
+      elseif (key == "u" or key == "Prior") then
           local current_area = selected_area()
           if areas[current_area].parent_id then
               tablist = nil
               set_selected_area(areas[current_area].parent_id)
               infobox.bgimage = draw_info
           end
-      elseif key == "/" and not draft_mode then
+      elseif key == "/" then
           local current_area = selected_area()
           local original_cmd = machi.engine.areas_to_command(areas, true, current_area)
           areas[current_area].hole = true
@@ -526,6 +530,13 @@ function module.start(c, exit_keys)
               end
           )
           exit()
+      elseif (key == "f" or key == ".") and c then
+          if c.machi_draft == nil then
+              c.machi_draft = not draft_mode
+          else
+              c.machi_draft = not c.machi_draft
+          end
+          api.layout.arrange(screen)
       elseif key == "Escape" or key == "Return" then
          exit()
       else