diff --git a/editor/gfxedit2.fnl b/editor/gfxedit2.fnl
index 6ec5ed7..185e8d8 100644
--- a/editor/gfxedit2.fnl
+++ b/editor/gfxedit2.fnl
@@ -3,7 +3,7 @@
 (local tiledraw (require :editor.tiledraw))
 (local util (require :lib.util))
 (local files (require :game.files))
-(local {: attach-imstate : button : vert : horiz-wrapper : begin-group} (util.require :editor.imgui))
+(local {: attach-imstate : button : reform : horiz-wrapper : group-wrapper} (util.require :editor.imgui))
 
 (local GraphicsEditView (View:extend))
 
@@ -42,7 +42,7 @@
 
 (fn tile-selector [{: view &as form} selected-itile ?key]
   (var selected-itile selected-itile)
-  (let [g (begin-group)
+  (let [g (group-wrapper form)
         wrap (horiz-wrapper form)]
     (for [itile 1 (length view.tilecache.tiles)]
       (let [{: x : y} form
@@ -50,13 +50,14 @@
         (when (and w h)
           (when (= itile selected-itile)
             (love.graphics.rectangle :line (- x 2) (- y 2) (+ w 4) (+ h 4)))
-          (when (wrap form #(g button $...) {:tag [:tile itile] : w : h})
-            (set selected-itile itile)))))
-    (g form)
+          (when (g button (reform form {:tag [:tile itile] : w : h}))
+            (set selected-itile itile))
+          (wrap form))))
+    (g)
     selected-itile))
 
 (fn GraphicsEditView.draw-tile-selector [self form ?key]
-  (match (vert form tile-selector {:scale self.sprite-scale :w form.w} (when (= self.tilekey ?key) self.itile) ?key)
+  (match (tile-selector (reform form {:scale self.sprite-scale :w form.w}) (when (= self.tilekey ?key) self.itile) ?key)
     selected-itile (do (set self.itile selected-itile)
                        (set self.tilekey ?key))))
 
diff --git a/editor/imgui.fnl b/editor/imgui.fnl
index 6e4db70..37bbfed 100644
--- a/editor/imgui.fnl
+++ b/editor/imgui.fnl
@@ -318,34 +318,18 @@
     selection))
 
 (local form-preserved-keys (collect [_ key (ipairs [:view :x :y :font :color :xpad :ypad])] key true))
-(fn prepare-form [form overrides]
-  (each [key (pairs form)]
-    (when (= (. form-preserved-keys key) nil)
-      (tset form key nil)))
-  (lume.extend form (or overrides {}))
-  form)
+(fn reform [form overrides]
+  (if (and overrides overrides.into (not= overrides.into form))
+    (reform (lume.extend (lume.clear overrides.into) form) overrides)
+    (do (each [key (pairs form)]
+          (when (= (. form-preserved-keys key) nil)
+            (tset form key nil)))
+        (lume.extend form (or overrides {})))))
 
-(fn vert [form viewfn overrides ...]
-  (let [result (if viewfn [(viewfn (prepare-form form overrides) ...)] [])]
-    (set form.y (+ form.y (or form.h 0) (or form.ypad 0)))
-    (table.unpack result)))
+(fn under [form overrides]    (reform form (lume.merge (or overrides {}) {:y (+ form.y (or form.h 0) (or form.ypad 0))})))
+(fn right-of [form overrides] (reform form (lume.merge (or overrides {}) {:x (+ form.x (or form.w 0) (or form.xpad 0))})))
 
-(fn horiz [form viewfn overrides ...]
-  (let [result (if viewfn [(viewfn (prepare-form form overrides) ...)] [])]
-    (set form.x (+ form.x (or form.w 0) (or form.xpad 0)))
-    (table.unpack result)))
-
-(fn horiz-wrapper [{: x : w &as form}]
-  (set form.w nil)
-  (fn [form viewfn overrides ...]
-    (let [result [(viewfn (prepare-form form overrides) ...)]]
-      (set form.x (+ form.x (or form.w 0) (or form.xpad 0)))
-      (when (> (+ form.x (or form.w 0)) (+ x w))
-        (set form.x x)
-        (set form.y (+ form.y form.h (or form.ypad 0))))
-      (table.unpack result))))
-
-(fn begin-group []
+(fn group-wrapper [orig-form]
   (let [group {}
         update-dimension
         (fn [form coord-key size-key]
@@ -360,23 +344,28 @@
                     (tset group size-key (- (math.max (+ coord-form size-form) (+ coord-group size-group)) coord-form)))
 
               ; extend the size if the new item is outside the bounds to the right / down
-              (tset group size-key (- (math.max (+ coord-form size-form) (+ coord-group size-group)) coord-group)))))]
+              (tset group size-key (- (math.max (+ coord-form size-form) (+ coord-group size-group)) coord-group)))
+            form))
+        update-dimensions (fn [form] (update-dimension form :x :w) (update-dimension form :y :h))]
 
-    (fn [viewfn-or-form ?form ...]
-      (if (= (type viewfn-or-form) :function)
-          (let [result [(viewfn-or-form ?form ...)]]
-            (update-dimension ?form :x :w)
-            (update-dimension ?form :y :h)
-            (table.unpack result))
-        (do (set viewfn-or-form.x group.x)
-            (set viewfn-or-form.y group.y)
-            (set viewfn-or-form.w group.w)
-            (set viewfn-or-form.h group.h)
-            (lume.clear group)
-            viewfn-or-form)))))
+    (fn [?viewfn-or-form ?form ...]
+      (match [(type ?viewfn-or-form) ?viewfn-or-form]
+        [:function viewfn] (let [result [(viewfn ?form ...)]]
+                             (update-dimensions ?form)
+                             (table.unpack result))
+        [:table form]      (update-dimensions form)
+        [:nil]             (do (lume.extend orig-form group)
+                               (lume.clear group)
+                               orig-form)))))
+
+(fn horiz-wrapper [{:x orig-x :w orig-w}]
+  (fn [{: x : y : w : h : xpad : ypad &as form} overrides]
+    (if (> (+ x (or w 0) xpad (or w 0)) (+ orig-x orig-w))
+      (reform form (lume.merge (or overrides {}) {:x orig-x :y (+ y (or h 0) (or ypad 0))}))
+      (right-of form overrides))))
 
 {: attach-imstate : cmd-predicate : postpone : mouse-inside : activate : active?
  : button : checkbox : textbox : textfield : textbutton : dropdown : labelled-dropdown
- : vert : horiz : horiz-wrapper : begin-group
- : with-style : prepare-form : form-defaults}
+ : reform : under : right-of : horiz-wrapper : group-wrapper
+ : with-style : form-defaults}
 
diff --git a/editor/mapedit.fnl b/editor/mapedit.fnl
index 960c1be..ec4d9e6 100644
--- a/editor/mapedit.fnl
+++ b/editor/mapedit.fnl
@@ -3,7 +3,8 @@
 (local util (require :lib.util))
 (local lume (require :lib.lume))
 (local files (require :game.files))
-(local {: mouse-inside : activate : active? : checkbox : textfield : textbutton : textbox : dropdown : labelled-dropdown : vert : horiz : begin-group} (util.require :editor.imgui))
+(local {: show} (util.require :inspector.debug))
+(local {: mouse-inside : activate : active? : checkbox : textfield : textbutton : textbox : dropdown : labelled-dropdown : under : right-of : reform : group-wrapper} (util.require :editor.imgui))
 (local {: tilestrip-to-sprite} (util.require :editor.tiledraw))
 (local {: encode-yx : encode-itile : decode-itile : dimensions} (util.require :game.tiles))
 (local actions (require :editor.actions))
@@ -84,10 +85,10 @@
     (set files.game.levels []))
   files.game.levels)
 
-(fn MapEditView.draw-map-selector [self {: x : y &as form}]
+(fn MapEditView.draw-map-selector [self form]
   (let [level-count (length (self:levels))
         options (icollect [i (util.countiter (+ level-count 1))] (if (<= i level-count) i :New))
-        ilevel (vert form labelled-dropdown {:tag :map-selector :wdropdown (* 100 SCALE)} "Map" self.ilevel options)]
+        ilevel (labelled-dropdown (reform form {:tag :map-selector :wdropdown (* 100 SCALE)}) "Map" self.ilevel options)]
     (when (not= ilevel self.ilevel)
       (set self.ilevel (if (= ilevel :New) (+ level-count 1) ilevel))
       (self:load-level))))
@@ -99,7 +100,7 @@
 (fn MapEditView.draw-layer-selector [self {: x : y &as form}]
   (let [mkopt (fn [ilayer] {: ilayer :label (.. ilayer " (" (self:layer-type ilayer) ")")})
         options (icollect [ilayer (ipairs (platform :layers))] (mkopt ilayer))
-        selection (vert form labelled-dropdown {:wdropdown (* 100 SCALE) :tag :layer-selector} "Layer" (mkopt self.ilayer) options)]
+        selection (labelled-dropdown (reform form {:wdropdown (* 100 SCALE) :tag :layer-selector}) "Layer" (mkopt self.ilayer) options)]
     (when (not= self.ilayer selection.ilayer)
       (self:set-ilayer selection.ilayer))))
 
@@ -164,22 +165,23 @@
   (when (and (active? self :map) (mouse-inside x y w h))
     (let [iobject (self:iobject-from-xy mx my)]
       (match self.imstate.left
-        :pressed (set self.iobject-linking iobject)
+        :down (when (= self.iobject-linking nil) (set self.iobject-linking iobject))
         :released
-        (if (and (not= iobject nil) (= self.iobject-linking iobject))
-            (set self.iobject iobject)
+        (do (if (and (not= iobject nil) (= self.iobject-linking iobject))
+              (set self.iobject iobject)
 
-            (not= self.iobject-linking nil)
-            (tset (self:linking-obj) :link iobject)
+              (not= self.iobject-linking nil)
+              (tset (self:linking-obj) :link iobject)
 
-            (not= self.playerpos nil)
-            (do (tset self.level self.playerpos {:x mx :y my})
-                (set self.playerpos nil))
+              (not= self.playerpos nil)
+              (do (tset self.level self.playerpos {:x mx :y my})
+                  (set self.playerpos nil))
 
-            (= iobject nil)
-            (let [tile (self.tilecache:tile (self:itile-from-xy mx my))]
-              (table.insert self.level.objects {:x mx :y my :func (or tile.word "")})
-              (set self.iobject (length self.level.objects))))))))
+              (= iobject nil)
+              (let [tile (self.tilecache:tile (self:itile-from-xy mx my))]
+                (table.insert self.level.objects {:x mx :y my :func (or tile.word "")})
+                (set self.iobject (length self.level.objects))))
+            (set self.iobject-linking nil))))))
 
 (fn MapEditView.handle-mouseedits-tile [self mx my x y w h]
   (when (and (active? self :map) (mouse-inside x y w h) (not= (self:itile-from-xy mx my) self.itile))
@@ -214,8 +216,7 @@
       (when (mouse-inside tilex intiley tilew intileh)
         (when (not= iobject nil) (set iobject-over iobject))
         (self:draw-tile-xy-label mx my tilex intiley tileh ystagger))))
-  (when (= self.itile nil) (self:draw-link-lines form iobject-over))
-  (vert form))
+  (when (= self.itile nil) (self:draw-link-lines form iobject-over)))
 
 (fn condition-label [flag]
   (if flag {:label flag : flag} {:label "<always>"}))
@@ -230,13 +231,13 @@
   (var istep-to-delete nil)
   (when (not object.steps) (set object.steps []))
   (each [istep step (ipairs object.steps)]
-    (when (textbutton (lume.merge form {:x (+ form.x (* 280 SCALE))}) "X")
+    (when (textbutton (reform form {:x (+ form.x (* 280 SCALE))}) "X")
       (set istep-to-delete istep))
-    (set step.condition (. (dropdown (lume.merge form {:x (+ form.x (* 100 SCALE)) :w (* 100 SCALE) :tag [:code-condition istep]}) (condition-label step.condition) (condition-options)) :flag))
-    (set step.action (vert form dropdown {:w (* 100 SCALE) :tag [:code-action istep]} (or step.action (. actions.actionlist 1)) actions.actionlist))
-    (vert form actions.edit {:w (* 300 SCALE)} istep))
+    (set step.condition (. (dropdown (reform form {:x (+ form.x (* 100 SCALE)) :w (* 100 SCALE) :tag [:code-condition istep]}) (condition-label step.condition) (condition-options)) :flag))
+    (set step.action (dropdown (under form {:w (* 100 SCALE) :tag [:code-action istep]}) (or step.action (. actions.actionlist 1)) actions.actionlist))
+    (actions.edit (under form {:w (* 300 SCALE)}) istep))
   (when istep-to-delete (table.remove object.steps istep-to-delete))
-  (when (vert form textbutton {} "+ New Step")
+  (when (textbutton (under form) "+ New Step")
     (table.insert object.steps {})))
 
 (fn advanced? [object]
@@ -247,33 +248,33 @@
 
 (fn MapEditView.draw-object-advanced-editor [self form object]
   (let [fieldform {:wlabel (* 100 SCALE) :wtext (* 200 SCALE)}]
-    (set object.func (vert form textfield fieldform "Word" object.func))
-    (set object.name (vert form textfield fieldform "Name" object.name))
-    (set object.linkword (vert form textfield fieldform "Link word" object.linkword))
+    (set object.func (textfield (reform form fieldform) "Word" object.func))
+    (set object.name (textfield (under form fieldform) "Name" object.name))
+    (set object.linkword (textfield (under form fieldform) "Link word" object.linkword))
     (if object.link
-      (when (vert form textbutton {} "Unlink")
+      (when (textbutton (under form) "Unlink")
         (set object.link nil))
-      (set object.linkentity (vert form textfield fieldform "Link entity" object.linkentity)))))
+      (set object.linkentity (textfield (under form fieldform) "Link entity" object.linkentity)))))
 
 (fn MapEditView.draw-object-editor [self form]
   (let [object (self:object)
-        footer (begin-group)]
+        footer (group-wrapper form)]
     (if (advanced? object)
       (self:draw-object-advanced-editor form object)
       (self:draw-object-code-editor form object))
-    (set self.new-flag-name (horiz form #(footer textbox $...) {:tag :new-flag-name :w (* 200 SCALE)} self.new-flag-name))
-    (when (horiz form #(footer textbutton $...) {} "+ New Flag")
+    (set self.new-flag-name (footer textbox (under form {:tag :new-flag-name :w (* 200 SCALE)}) self.new-flag-name))
+
+    (when (footer textbutton (right-of form) "+ New Flag")
       (when (= files.game.flags nil)
         (set files.game.flags []))
       (table.insert files.game.flags self.new-flag-name)
       (set self.new-flag-name ""))
-    (vert (footer form))
-    (when (horiz form #(footer textbutton $...) {} "Delete")
+    (when (footer textbutton (under (footer)) "Delete")
       (move-object self.level.objects (+ self.iobject 1) self.iobject)
       (set self.iobject nil))
-    (when (horiz form #(footer textbutton $...) {} (if (advanced? object) "Simple" "Advanced"))
+    (when (footer textbutton (right-of form) (if (advanced? object) "Simple" "Advanced"))
       (set object.advanced (not (advanced? object))))
-    (vert (footer form))))
+    (footer)))
 
 (fn MapEditView.load-level [self]
   (set self.stripcache {})
@@ -291,28 +292,28 @@
   (self:draw_scrollbar)
   (let [form (self:form)
         form-editor (self:form)
-        header (begin-group)
-        _ (self:draw-map-selector form header)
-        _ (when (platform :layers) (self:draw-layer-selector form header))
-        _ (self:draw-map-editor form)
+        header (group-wrapper form)
+        _ (header #(self:draw-map-selector $...) form)
+        _ (when (platform :layers) (header #(self:draw-layer-selector $...) (right-of form)))
+        _ (self:draw-map-editor (under (header)))
         editor-on-side (> self.size.x (+ form.w (* 300 SCALE)))
         fieldform {:wlabel (* 100 SCALE) :wtext (* 200 SCALE)}]
     (when editor-on-side
       (set form-editor.x (+ form.x form.w style.padding.x))
       (set form-editor.w (- form-editor.w form.w style.padding.x)))
-    (self:draw-tile-selector (lume.extend form {:w (if editor-on-side form.w (- self.size.x (* style.padding.x 2)))}))
-    (set self.level.tickword (vert form textfield fieldform "Tick word" self.level.tickword))
-    (set self.level.moveword (vert form textfield fieldform "Move word" self.level.moveword))
-    (set self.level.loadword (vert form textfield fieldform "Load word" self.level.loadword))
-    (when (vert form checkbox {} "Edit objects" (= self.itile nil))
+    (self:draw-tile-selector (under form {:w (if editor-on-side form.w (- self.size.x (* style.padding.x 2)))}))
+    (set self.level.tickword (textfield (under form fieldform) "Tick word" self.level.tickword))
+    (set self.level.moveword (textfield (under form fieldform) "Move word" self.level.moveword))
+    (set self.level.loadword (textfield (under form fieldform) "Load word" self.level.loadword))
+    (when (checkbox (under form) "Edit objects" (= self.itile nil))
       (set self.itile nil)
       (set self.playerpos nil))
     (each [_ player (ipairs (or files.game.players [:player]))]
-      (when (vert form checkbox {} (.. "Position " player) (and (= self.itile nil) (= self.playerpos player)))
+      (when (checkbox (under form) (.. "Position " player) (and (= self.itile nil) (= self.playerpos player)))
         (set self.itile nil)
         (set self.playerpos player)))
     (each [_ levelflag (ipairs (or files.game.levelflags []))]
-      (when (vert form checkbox {} levelflag (. self.level levelflag))
+      (when (checkbox (under form) levelflag (. self.level levelflag))
         (tset self.level levelflag (not (. self.level levelflag)))))
     (when (not editor-on-side) (set form-editor.y (+ form.y form.h style.padding.y)))
     (when self.iobject (self:draw-object-editor form-editor))
diff --git a/editor/tileedit/init.fnl b/editor/tileedit/init.fnl
index 655ea85..a7c4470 100644
--- a/editor/tileedit/init.fnl
+++ b/editor/tileedit/init.fnl
@@ -4,8 +4,9 @@
 (local files (require :game.files))
 (local util (require :lib.util))
 (local lume (require :lib.lume))
-(local {: mouse-inside : activate : active? : checkbox : textfield : button : dropdown : with-style : form-defaults
-        : vert : horiz-wrapper : begin-group} (util.require :editor.imgui))
+(local {: show} (util.require :inspector.debug))
+(local {: mouse-inside : activate : active? : checkbox : textfield : button : dropdown : with-style
+        : under : right-of : reform : horiz-wrapper : group-wrapper} (util.require :editor.imgui))
 
 (local TileView (GraphicsEditView:extend))
 
@@ -69,7 +70,7 @@
         (self:update-tile (set-tile-bits tile ibyte ibit mask bits))))))
   (love.graphics.setColor 1 1 1 1))
 
-(fn TileView.draw-tile-editor [self form tile] (vert form tile-editor {} tile))
+(fn TileView.draw-tile-editor [self form tile] (tile-editor form tile))
 
 (fn tile-flag [form tile flagname]
   (local flagset (?. tile :flags flagname))
@@ -77,13 +78,13 @@
     (tset tile :flags flagname (if flagset nil true))))
 
 (fn TileView.draw-tile-flags [self form]
-      (let [tile (-?> self.tilecache.tiles (. self.itile))
-            fieldform {:wlabel (* 100 SCALE) :wtext (* 200 SCALE)}]
+  (let [tile (-?> self.tilecache.tiles (. self.itile))
+        fieldform {:wlabel (* 100 SCALE) :wtext (* 200 SCALE)}]
     (when tile
-      (set tile.word (vert form textfield fieldform "Default word" tile.word))
-      (set tile.label (vert form textfield fieldform "Label" tile.label)))
+      (set tile.word (textfield (reform form fieldform) "Default word" tile.word))
+      (set tile.label (textfield (under form fieldform) "Label" tile.label)))
     (each [iflag flagname (ipairs (tiles.flags))]
-      (vert form tile-flag {} tile flagname))))
+      (tile-flag (under form) tile flagname))))
 
 (fn tile-preview [{:view self : x : y &as form} itile tilekey]
   (each [_ [tx ty] (ipairs (self:preview-locations))]
@@ -91,25 +92,26 @@
           (w h) (self:draw-sprite (+ x dx) (+ y dy) itile tilekey)]
       (when (and w (or (= form.w nil) (< form.w (+ w dx)))) (set form.w (+ w dx)))
       (when (and h (or (= form.h nil) (< form.h (+ h dy)))) (set form.h (+ h dy))))))
-(fn TileView.draw-tile-preview [self form] (vert form tile-preview {} self.itile self.tilekey))
+(fn TileView.draw-tile-preview [self form] (tile-preview form self.itile self.tilekey))
 
 (fn tile-palette [{:view self : x : y : w &as form} pal selected-color]
-  (let [g (begin-group)
-        wrap (horiz-wrapper (with-style form))]
+  (let [g (group-wrapper (with-style form))
+        wrap (horiz-wrapper form)]
     (var selected-color selected-color)
     (each [icolor color (ipairs pal)]
       (renderer.draw_rect form.x form.y pixel-size pixel-size color)
       (when (= icolor selected-color)
         (love.graphics.setColor 1 1 1 1)
         (love.graphics.rectangle :line (- form.x 2) (- form.y 2) (+ pixel-size 4) (+ pixel-size 4)))
-      (when (wrap form #(g button $...) {:tag [:pal icolor] :w pixel-size :h pixel-size})
-        (set selected-color icolor)))
-    (g form)
+      (when (g button (reform form {:tag [:pal icolor] :w pixel-size :h pixel-size}))
+        (set selected-color icolor))
+      (wrap form))
+    (g)
     selected-color))
 
 (fn TileView.draw-tile-palette [self form]
   (match (self:palette)
-    pal (set self.icolor (vert form tile-palette {:w form.w} pal self.icolor))))
+    pal (set self.icolor (tile-palette form pal self.icolor))))
 
 (fn TileView.update-tile [self newtile]
     (self.tilecache:update-tile self.itile newtile self.tilekey))
@@ -124,27 +126,27 @@
     (when (not= current-style selection) selection)))
 
 (fn TileView.draw-style-selector [self form]
-  (match (vert form style-selector {} self.style)
+  (match (style-selector form self.style)
     new-style (self:set-style new-style)))
 
 (fn TileView.draw [self]
   (self:draw_background style.background)
   (self:draw_scrollbar)
   (let [form (self:form)
-        form-side (self:form)]
+        form-side (self:form)
+        full-width {:w form.w}]
     (self:draw-tile-editor form (self:tile))
 
     ; layout sidebar
-    (set form-side.x (+ form.x form.w form.xpad))
-    (self:draw-tile-flags form-side)
-    (self:draw-tile-preview form-side)
+    (self:draw-tile-flags (right-of form {:into form-side}))
+    (self:draw-tile-preview (under form-side))
 
     ; continue laying out under tile editor
-    (self:draw-tile-palette (lume.extend form {:w (- self.size.x 20)}))
+    (self:draw-tile-palette (under form full-width))
     (when (> (length (tiles.tile-styles)) 1)
-      (self:draw-style-selector form))
+      (self:draw-style-selector (under form)))
     (each [_ key (ipairs (self:tilekeys))]
-      (self:draw-tile-selector (lume.extend form {:w (- self.size.x 20)}) key))
+      (self:draw-tile-selector (under form full-width) key))
     (self:end-scroll form)))
 
 (fn TileView.initial-style [self] :tiles)