diff --git a/config.cpp b/config.cpp
index 4581ccab..0283259b 100644
--- a/config.cpp
+++ b/config.cpp
@@ -690,6 +690,15 @@ void showGraphConfig() {
       dialog::reaction = [] () { 
         doOvergenerate();
         };
+      dialog::extra_options = [] () {
+        if(allowChangeRange()) {
+          dialog::addSelItem("generation range bonus", its(genrange_bonus), 'o');
+          dialog::add_action([] () { genrange_bonus = sightrange_bonus; doOvergenerate(); });
+          dialog::addSelItem("game range bonus", its(gamerange_bonus), 'O');
+          dialog::add_action([] () { gamerange_bonus = sightrange_bonus; doOvergenerate(); });
+          }
+        else dialog::addInfo("note: enable the cheat mode for additional options");
+        };
       }
   
     if(xuni == 'k') {
@@ -720,8 +729,13 @@ void showGraphConfig() {
     
     // if(xuni == 'b') vid.antialias ^= AA_LINEWIDTH;
    
-    if(xuni == 'w' && vid.usingGL)
+    if(xuni == 'w' && vid.usingGL) {
       dialog::editNumber(vid.linewidth, 0, 10, 0.1, 1, XLAT("line width"), "");
+      dialog::extra_options = [] () {
+        dialog::addBoolItem("finer lines at the boundary", vid.antialias & AA_LINEWIDTH, 'o');
+        dialog::add_action([] () { vid.antialias ^= AA_LINEWIDTH; });
+        };
+      }
   
     if(xuni == 'c') {
       dialog::editNumber(vid.mobilecompasssize, 0, 100, 10, 20, XLAT("compass size"), "");
@@ -956,6 +970,15 @@ void projectionDialog() {
 //  "to the eye. "
     "See also the conformal mode (in the special modes menu) "
     "for more models."));
+  dialog::extra_options = [] () {
+    dialog::addBreak(100);
+    dialog::addSelItem(sphere ? "stereographic" : "Poincaré model", "1", 'p');
+    dialog::add_action([] () { *dialog::ne.editwhat = 1; vid.scale = 1; dialog::ne.s = "1"; });
+    dialog::addSelItem(sphere ? "gnomonic" : "Klein model", "0", 'k');
+    dialog::add_action([] () { *dialog::ne.editwhat = 0; vid.scale = 1; dialog::ne.s = "0"; });
+    dialog::addItem(sphere ? "towards orthographic" : "towards Gans model", 'o');
+    dialog::add_action([] () { double d = exp(shiftmul/10); vid.alpha *= d; vid.scale *= d; dialog::ne.s = dialog::disp(vid.alpha); });
+    };
   }
 
 string explain3D(ld *param) {
@@ -1181,8 +1204,19 @@ void show3D() {
       dialog::editNumber(geom3::depth, 0, 5, .1, 1, XLAT("Ground level below the plane"), "");
     else if(uni == 'a') 
       projectionDialog();
-    else if(uni == 'w') 
+    else if(uni == 'w') {
       dialog::editNumber(geom3::wall_height, 0, 1, .1, .3, XLAT("Height of walls"), "");
+      dialog::extra_options = [] () {
+        dialog::addBoolItem("auto-adjust in Goldberg grids", geom3::gp_autoscale_heights, 'o');
+        dialog::add_action([] () {
+          geom3::gp_autoscale_heights = !geom3::gp_autoscale_heights;
+          buildpolys();
+          #if CAP_GL
+          resetGL();
+          #endif
+          });
+        };
+      }
     else if(uni == 'l') 
       dialog::editNumber(geom3::lake_top, 0, 1, .1, .25, XLAT("Level of water surface"), "");
     else if(uni == 'k') 
diff --git a/conformal.cpp b/conformal.cpp
index a1c796f3..64278b15 100644
--- a/conformal.cpp
+++ b/conformal.cpp
@@ -738,6 +738,15 @@ namespace conformal {
           "lands which have a special direction. Note that if finding this special direction is a part of the puzzle, "
           "it works only in the cheat mode.");
         dialog::dialogflags |= sm::CENTER;
+        dialog::extra_options = [] () {
+          dialog::addBreak(100);
+          dialog::addBoolItem("line animation only", conformal::do_rotate == 0, 'n');
+          dialog::add_action([] () { conformal::do_rotate = 0; });
+          dialog::addBoolItem("gravity lands", conformal::do_rotate == 1, 'g');
+          dialog::add_action([] () { conformal::do_rotate = 1; });
+          dialog::addBoolItem("all directional lands", conformal::do_rotate == 2, 'd');
+          dialog::add_action([] () { conformal::do_rotate = 2; });
+          };
         }
       else if(doexiton(sym, uni)) popScreen();
       };
diff --git a/dialogs.cpp b/dialogs.cpp
index 470851a9..605ab76a 100644
--- a/dialogs.cpp
+++ b/dialogs.cpp
@@ -566,6 +566,8 @@ namespace dialog {
       }
     
     displayColorButton(dcenter, vid.yres/2+vid.fsize * 6, XLAT("select this color") + " : " + itsh(color), ' ', 8, 0, color >> ash);
+
+    if(extra_options) extra_options();
     
     keyhandler = handleKeyColor;
     }
@@ -575,6 +577,7 @@ namespace dialog {
     dialogflags = 0;
     pushScreen(drawColorDialog);
     reaction = reaction_t();
+    extra_options = reaction_t();
     }
   
   numberEditor ne;
@@ -604,6 +607,8 @@ namespace dialog {
   string disp(ld x) { if(ne.intval) return its(ldtoint(x)); else if(ne.vmax-ne.vmin < 1) return fts4(x); else return fts(x); }
 
   reaction_t reaction;
+  
+  reaction_t extra_options;
 
   void affect(char kind) {
 
@@ -730,36 +735,8 @@ namespace dialog {
       // if(scal) lastItem().scale = 30;
       }
 
-    if(ne.editwhat == &vid.alpha) {
-      addBreak(100);
-      addSelItem(sphere ? "stereographic" : "Poincaré model", "1", 'p');
-      addSelItem(sphere ? "gnomonic" : "Klein model", "0", 'k');
-      addItem(sphere ? "towards orthographic" : "towards Gans model", 'o');
-      }
+    if(extra_options) extra_options();
     
-    if(ne.editwhat == &conformal::rotation) {
-      addBreak(100);
-      addBoolItem("line animation only", conformal::do_rotate == 0, 'n');
-      addBoolItem("gravity lands", conformal::do_rotate == 1, 'g');
-      addBoolItem("all directional lands", conformal::do_rotate == 2, 'd');
-      }
-    
-    if(ne.editwhat == &ne.intbuf && ne.intval == &sightrange_bonus && allowChangeRange()) {
-      addSelItem("generation range bonus", its(genrange_bonus), 'o');
-      addSelItem("game range bonus", its(gamerange_bonus), 'O');
-      }
-    
-    if(ne.editwhat == &vid.stretch && sphere && pmodel == mdBandEquiarea) {
-      addBoolItem("Gall-Peters", vid.stretch == 2, 'o');
-      add_action([] { vid.stretch = 2; });
-      }
-
-    if(ne.editwhat == &vid.linewidth)
-      addBoolItem("finer lines at the boundary", vid.antialias & AA_LINEWIDTH, 'o');
-    
-    if(ne.editwhat == &geom3::wall_height)
-      addBoolItem("auto-adjust in Goldberg grids", geom3::gp_autoscale_heights, 'o');
-
     display();
     
     keyhandler = [] (int sym, int uni) {
@@ -804,40 +781,6 @@ namespace dialog {
           ne.inverse_scale(d * (ne.scale(ne.vmax) - ne.scale(ne.vmin)) + ne.scale(ne.vmin));
         affect('v');
         }
-      else if(uni == 'n' && ne.editwhat == &conformal::rotation)
-        conformal::do_rotate = 0;
-      else if(uni == 'g' && ne.editwhat == &conformal::rotation)
-        conformal::do_rotate = 1;
-      else if(uni == 'd' && ne.editwhat == &conformal::rotation)
-        conformal::do_rotate = 2;
-      else if(uni == 'o' && ne.editwhat == &ne.intbuf && ne.intval == &sightrange_bonus && allowChangeRange()) {
-        genrange_bonus = sightrange_bonus;
-        doOvergenerate();
-        }
-      else if(uni == 'o' && ne.editwhat == &geom3::wall_height) {
-        geom3::gp_autoscale_heights = !geom3::gp_autoscale_heights;
-        buildpolys();
-  #if CAP_GL
-      resetGL();
-  #endif
-        }
-      else if(uni == 'O' && ne.editwhat == &ne.intbuf && ne.intval == &sightrange_bonus && allowChangeRange()) {
-        gamerange_bonus = sightrange_bonus;
-        }
-      else if(uni == 'o' && ne.editwhat == &vid.linewidth)
-        vid.antialias ^= AA_LINEWIDTH;
-      else if(uni == 'p' && ne.editwhat == &vid.alpha) {
-        *ne.editwhat = 1; vid.scale = 1; ne.s = "1";
-        }
-      else if(uni == 'k' && ne.editwhat == &vid.alpha) {
-        *ne.editwhat = 0; vid.scale = 1; ne.s = "0";
-        }
-      else if((uni == 'i' || uni == 'I' || uni == 'o' || uni == 'O') && ne.editwhat == &vid.alpha) {
-        double d = exp(shiftmul/10);
-        vid.alpha *= d;
-        vid.scale *= d;
-        ne.s = disp(vid.alpha);
-        }
       else if(doexiton(sym, uni)) popScreen();
       };
     }  
@@ -908,6 +851,7 @@ namespace dialog {
     cmode |= sm::NUMBER;
     pushScreen(drawNumberDialog);
     reaction = reaction_t();
+    extra_options = reaction_t();
     numberdark = 0;
     }
 
diff --git a/hyper.h b/hyper.h
index 8c3eeeab..21bf2b09 100644
--- a/hyper.h
+++ b/hyper.h
@@ -1514,13 +1514,14 @@ namespace dialog {
 
   extern vector<item> items;
   
-  extern reaction_t reaction;
+  extern reaction_t reaction, extra_options;
 
   item& lastItem();
   extern unsigned int *palette;
 
   string keyname(int k);
   
+  string disp(ld x);
   void addSelItem(string body, string value, int key);
   void addBoolItem(string body, bool value, int key);
   void addBigItem(string body, int key);