rnd-20030507-2-src
[rocksndiamonds.git] / src / editor.c
index 71b89a5f18f3c20602fcce2f20625bf1362bdde8..8e326ea29e5fe32324bbf40c97b7f8aabaacc448 100644 (file)
@@ -82,6 +82,8 @@
 
 #define ED_COUNT_CHANGE_DELAY_XPOS     (ED_SETTINGS_XPOS2 + 9 * MINI_TILEX)
 
+#define ED_COUNT_CHANGE_DELAY_XPOS     (ED_SETTINGS_XPOS2 + 9 * MINI_TILEX)
+
 #define ED_COUNTER_YSTART              (ED_SETTINGS_YPOS + 2 * TILEY)
 #define ED_COUNTER_YDISTANCE           (3 * MINI_TILEY)
 #define ED_COUNTER_YPOS(n)             (ED_COUNTER_YSTART + \
 #define ED_AREA_ELEM_CONTENT_YPOS      (22 * MINI_TILEY)
 
 #define ED_AREA_ELEM_CONTENT2_XPOS     (20 * MINI_TILEX)
-#define ED_AREA_ELEM_CONTENT2_YPOS     ED_COUNTER_YPOS2(4)
+#define ED_AREA_ELEM_CONTENT2_YPOS     (ED_COUNTER_YPOS2(5) + \
+                                        ED_GADGET_DISTANCE)
 
 /* values for random placement background drawing area */
 #define ED_AREA_RANDOM_BACKGROUND_XPOS (29 * MINI_TILEX)
 #define ED_SELECTBOX_XSIZE             ED_WIN_COUNT_XSIZE
 #define ED_SELECTBOX_YSIZE             ED_WIN_COUNT_YSIZE
 
+#define ED_SELECTBOX_CHANGE_UNITS_XPOS (ED_SETTINGS_XPOS2 + \
+                                        ED_CHECKBUTTON_XSIZE + \
+                                        2 * ED_GADGET_DISTANCE)
+
 #define ED_TEXTBUTTON_XPOS             ED_WIN_COUNT_XPOS
 #define ED_TEXTBUTTON_YPOS             (ED_WIN_COUNT_YPOS + \
                                         2 * (2 + ED_WIN_COUNT_YSIZE))
 #define GADGET_ID_ELEMENT_CONTENT_6    (GADGET_ID_DRAWING_AREA_FIRST + 7)
 #define GADGET_ID_ELEMENT_CONTENT_7    (GADGET_ID_DRAWING_AREA_FIRST + 8)
 #define GADGET_ID_AMOEBA_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 9)
-#define GADGET_ID_CUSTOM_CHANGED       (GADGET_ID_DRAWING_AREA_FIRST + 10)
-#define GADGET_ID_RANDOM_BACKGROUND    (GADGET_ID_DRAWING_AREA_FIRST + 11)
+#define GADGET_ID_CUSTOM_GRAPHIC       (GADGET_ID_DRAWING_AREA_FIRST + 10)
+#define GADGET_ID_CUSTOM_CHANGED       (GADGET_ID_DRAWING_AREA_FIRST + 11)
+#define GADGET_ID_RANDOM_BACKGROUND    (GADGET_ID_DRAWING_AREA_FIRST + 12)
 
 /* text input identifiers */
-#define GADGET_ID_TEXT_INPUT_FIRST     (GADGET_ID_DRAWING_AREA_FIRST + 12)
+#define GADGET_ID_TEXT_INPUT_FIRST     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 
 #define GADGET_ID_LEVEL_NAME           (GADGET_ID_TEXT_INPUT_FIRST + 0)
 #define GADGET_ID_LEVEL_AUTHOR         (GADGET_ID_TEXT_INPUT_FIRST + 1)
 /* selectbox identifiers */
 #define GADGET_ID_SELECTBOX_FIRST      (GADGET_ID_TEXT_INPUT_FIRST + 2)
 
-#define GADGET_ID_CUSTOM_CHANGE_CAUSE  (GADGET_ID_SELECTBOX_FIRST + 0)
+#define GADGET_ID_CHANGE_TIME_UNITS    (GADGET_ID_SELECTBOX_FIRST + 0)
+#define GADGET_ID_CHANGE_CAUSE         (GADGET_ID_SELECTBOX_FIRST + 1)
 
 /* textbutton identifiers */
-#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 1)
+#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 2)
 
 #define GADGET_ID_PROPERTIES_INFO      (GADGET_ID_TEXTBUTTON_FIRST + 0)
 #define GADGET_ID_PROPERTIES_CONFIG    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 #define ED_TEXTINPUT_ID_LEVEL_LAST     ED_TEXTINPUT_ID_LEVEL_AUTHOR
 
 /* values for selectbox gadgets */
-#define ED_SELECTBOX_ID_CUSTOM_CHANGE_CAUSE    0
+#define ED_SELECTBOX_ID_CHANGE_TIME_UNITS      0
+#define ED_SELECTBOX_ID_CHANGE_CAUSE           1
 
-#define ED_NUM_SELECTBOX                       1
+#define ED_NUM_SELECTBOX                       2
+
+#define ED_SELECTBOX_ID_CHANGE_FIRST   ED_SELECTBOX_ID_CHANGE_TIME_UNITS
+#define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_CHANGE_CAUSE
 
 /* values for textbutton gadgets */
 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO       0
@@ -652,20 +665,20 @@ static struct
     "element content",                 NULL
   },
   {
-    ED_COUNT_CHANGE_DELAY_XPOS,                ED_COUNTER_YPOS2(5),
+    ED_COUNT_CHANGE_DELAY_XPOS,                ED_COUNTER_YPOS2(6),
     0,                                 999,
     GADGET_ID_CHANGE_DELAY_FIX_DOWN,   GADGET_ID_CHANGE_DELAY_FIX_UP,
     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
     &custom_element_change.delay_fixed,
-    NULL,                              "seconds (fixed)"
+    NULL,                              "units (fixed)"
   },
   {
-    ED_COUNT_CHANGE_DELAY_XPOS,                ED_COUNTER_YPOS2(6),
+    ED_COUNT_CHANGE_DELAY_XPOS,                ED_COUNTER_YPOS2(7),
     0,                                 999,
     GADGET_ID_CHANGE_DELAY_RND_DOWN,   GADGET_ID_CHANGE_DELAY_RND_UP,
     GADGET_ID_CHANGE_DELAY_RND_TEXT,
     &custom_element_change.delay_random,
-    NULL,                              "seconds (random)"
+    NULL,                              "units (random)"
   }
 };
 
@@ -694,6 +707,14 @@ static struct
   }
 };
 
+static struct ValueTextInfo options_change_time_units[] =
+{
+  { 50,        "seconds"               },
+  { 1, "frames"                },
+  { -1,        NULL                    }
+};
+static int index_change_time_units = 0;
+
 static struct ValueTextInfo options_change_cause[] =
 {
   { 1, "specified delay"       },
@@ -703,23 +724,32 @@ static struct ValueTextInfo options_change_cause[] =
   { 5, "pressed by player"     },
   { -1,        NULL                    }
 };
-static int index_change_cause = 0;
+static int index_change_cause = 0, value_change_cause = 0;
 
 static struct
 {
   int x, y;
   int gadget_id;
-  int size;
+  int size;    /* size of selectbox (chars) or '0' (dynamically determined) */
   struct ValueTextInfo *options;
-  int *index;
+  int *index, *value;
   char *text, *infotext;
 } selectbox_info[ED_NUM_SELECTBOX] =
 {
+  {
+    ED_SELECTBOX_CHANGE_UNITS_XPOS,    ED_COUNTER_YPOS2(8),
+    GADGET_ID_CHANGE_TIME_UNITS,
+    0,
+    options_change_time_units, &index_change_time_units,
+    &custom_element_change.delay_frames,
+    "delay units given in", "time units for change"
+  },
   {
     ED_SETTINGS_XPOS,                  ED_COUNTER_YPOS(8),
-    GADGET_ID_CUSTOM_CHANGE_CAUSE,
-    17,
+    GADGET_ID_CHANGE_CAUSE,
+    0,
     options_change_cause, &index_change_cause,
+    &value_change_cause,
     "test:", "test-selectbox entry"
   },
 };
@@ -888,10 +918,10 @@ static struct
     "restrict random placement to",    "set random placement restriction"
   },
   {
-    ED_SETTINGS_XPOS,                  ED_COUNTER_YPOS(4),
+    ED_SETTINGS_XPOS,                  0,      /* set at runtime */
     GADGET_ID_STICK_ELEMENT,
     &stick_element_properties_window,
-    "stick window to edit content",    "stick window to edit content"
+    "stick this screen to edit content","stick this screen to edit content"
   },
   {
     ED_SETTINGS_XPOS,                  ED_COUNTER_YPOS(4),
@@ -966,19 +996,19 @@ static struct
     "player can walk under",           "player can walk under this element"
   },
   {
-    ED_SETTINGS_XPOS,                  ED_COUNTER_YPOS2(4),
+    ED_SETTINGS_XPOS,                  ED_COUNTER_YPOS2(5),
     GADGET_ID_CUSTOM_CHANGEABLE,
     &custom_element_properties[EP_CHANGEABLE],
     "element changes to    after:",    "element can change to other element"
   },
   {
-    ED_SETTINGS_XPOS2,                 ED_COUNTER_YPOS2(5),
+    ED_SETTINGS_XPOS2,                 ED_COUNTER_YPOS2(6),
     GADGET_ID_CHANGE_DELAY_FIXED,
     &custom_element_change_events[CE_DELAY_FIXED],
     "delay of",                                "element changes after fixed delay"
   },
   {
-    ED_SETTINGS_XPOS2,                 ED_COUNTER_YPOS2(6),
+    ED_SETTINGS_XPOS2,                 ED_COUNTER_YPOS2(7),
     GADGET_ID_CHANGE_DELAY_RANDOM,
     &custom_element_change_events[CE_DELAY_RANDOM],
     "delay of",                                "element changes after random delay"
@@ -1013,6 +1043,8 @@ static int new_element3 = EL_SAND;
 /* forward declaration for internal use */
 static void ModifyEditorCounter(int, int);
 static void ModifyEditorCounterLimits(int, int, int);
+static void ModifyEditorSelectbox(int, int);
+static void ModifyEditorElementList();
 static void DrawDrawingWindow();
 static void DrawLevelInfoWindow();
 static void DrawPropertiesWindow();
@@ -2365,6 +2397,25 @@ static void CreateDrawingAreas()
 
   level_editor_gadget[id] = gi;
 
+  /* ... one for each custom element optional graphic element ... */
+  id = GADGET_ID_CUSTOM_GRAPHIC;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+                   GDI_X, SX + 2 * MINI_TILEX,
+                   GDI_Y, SY + 4 * MINI_TILEY + MINI_TILEY / 2,
+                   GDI_WIDTH, TILEX,
+                   GDI_HEIGHT, TILEY,
+                   GDI_TYPE, GD_TYPE_DRAWING_AREA,
+                   GDI_ITEM_SIZE, TILEX, TILEY,
+                   GDI_EVENT_MASK, event_mask,
+                   GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+                   GDI_CALLBACK_ACTION, HandleDrawingAreas,
+                   GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
   /* ... one for each custom element change target element ... */
   id = GADGET_ID_CUSTOM_CHANGED;
   gi = CreateGadget(GDI_CUSTOM_ID, id,
@@ -2456,30 +2507,43 @@ static void CreateTextInputGadgets()
 static void CreateSelectboxGadgets()
 {
   int max_infotext_len = getMaxInfoTextLength();
-  int i;
+  int i, j;
 
   for (i=0; i<ED_NUM_SELECTBOX; i++)
   {
     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
     int gd_x, gd_y;
+    int xoffset;
     struct GadgetInfo *gi;
     unsigned long event_mask;
     char infotext[MAX_OUTPUT_LINESIZE + 1];
     int id = selectbox_info[i].gadget_id;
 
+    /* (we cannot use -1 for uninitialized values if we directly compare
+       with results from strlen(), because the '<' and '>' operation will
+       implicitely cast -1 to an unsigned integer value!) */
+
+    if (selectbox_info[i].size == 0)   /* dynamically determined */
+      for (j=0; selectbox_info[i].options[j].text != NULL; j++)
+       if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
+         selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
+
     event_mask = GD_EVENT_RELEASED |
       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
 
     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
 
+    xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
+              2 * ED_GADGET_DISTANCE);
+
     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
     infotext[max_infotext_len] = '\0';
 
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
                      GDI_INFO_TEXT, infotext,
-                     GDI_X, SX + selectbox_info[i].x,
+                     GDI_X, SX + selectbox_info[i].x + xoffset,
                      GDI_Y, SY + selectbox_info[i].y,
                      GDI_TYPE, GD_TYPE_SELECTBOX,
                      GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
@@ -3132,6 +3196,41 @@ static void ModifyEditorCounterLimits(int counter_id, int min, int max)
   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
 }
 
+static void ModifyEditorSelectbox(int selectbox_id, int new_value)
+{
+  int gadget_id = selectbox_info[selectbox_id].gadget_id;
+  struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+  int new_index_value = 0;
+  int i;
+
+  for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
+    if (selectbox_info[selectbox_id].options[i].value == new_value)
+      new_index_value = i;
+
+  *selectbox_info[selectbox_id].value =
+    selectbox_info[selectbox_id].options[new_index_value].value;
+
+  ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
+}
+
+static void ModifyEditorElementList()
+{
+  int i;
+
+  for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
+  {
+    int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
+    struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+    struct GadgetDesign *gd = &gi->deco.design;
+    int element = editor_elements[element_shift + i];
+
+    UnmapGadget(gi);
+    getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
+    ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
+    MapGadget(gi);
+  }
+}
+
 static void PickDrawingElement(int button, int element)
 {
   if (button < 1 || button > 3)
@@ -3324,6 +3423,7 @@ static void DrawAmoebaContentArea()
 
 static void DrawCustomChangedArea()
 {
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
 #if 0
   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
   int yoffset_right2 = ED_BORDER_SIZE;
@@ -3352,7 +3452,14 @@ static void DrawCustomChangedArea()
   ElementContent[0][0][0] = custom_element_change.successor;
 
   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
+#if 1
+  DrawMiniGraphicExt(drawto,
+                    gi->x,
+                    gi->y,
+                    el2edimg(ElementContent[0][0][0]));
+#else
   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
+#endif
 
 #if 0
   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
@@ -3553,12 +3660,14 @@ static void DrawPropertiesConfig()
   {
     /* draw stickybutton gadget */
     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
+    checkbutton_info[i].y = ED_COUNTER_YPOS(4);
     x = checkbutton_info[i].x + xoffset_right2;
     y = checkbutton_info[i].y + yoffset_right2;
 
     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
-                GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
+                GDI_CHECKED, *checkbutton_info[i].value,
+                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
     MapCheckbuttonGadget(i);
 
     if (HAS_CONTENT(properties_element))
@@ -3585,8 +3694,6 @@ static void DrawPropertiesConfig()
 
   if (IS_CUSTOM_ELEMENT(properties_element))
   {
-    CopyCustomElementPropertiesToEditor(properties_element);
-
     /* draw checkbutton gadgets */
     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
         i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
@@ -3924,16 +4031,16 @@ static void DrawPropertiesAdvanced()
   int yoffset_right2 = ED_BORDER_SIZE;
   int i, x, y;
 
-  CopyCustomElementPropertiesToEditor(properties_element);
-
   /* draw stickybutton gadget */
   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
+  checkbutton_info[i].y = ED_COUNTER_YPOS2(4);
   x = checkbutton_info[i].x + xoffset_right2;
   y = checkbutton_info[i].y + yoffset_right2;
 
   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
-              GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
+              GDI_CHECKED, *checkbutton_info[i].value,
+              GDI_Y, SY + checkbutton_info[i].y, GDI_END);
   MapCheckbuttonGadget(i);
 
   /* draw counter gadgets */
@@ -3966,19 +4073,28 @@ static void DrawPropertiesAdvanced()
     MapCheckbuttonGadget(i);
   }
 
+  /* map gadget for optional graphic element */
+  MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
+
   DrawCustomChangedArea();
 
-  /* draw selectbox gadget */
-  i = ED_SELECTBOX_ID_CUSTOM_CHANGE_CAUSE;
-  x = selectbox_info[i].x + xoffset_right2;
-  y = selectbox_info[i].y + yoffset_right2;
+  /* draw selectbox gadgets */
+  for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
+  {
+    int yoffset = ED_BORDER_SIZE;
 
-  selectbox_info[i].index = &index_change_cause;
+    x = selectbox_info[i].x;
+    y = selectbox_info[i].y + yoffset;
 
-  DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
-  ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
-              GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
-  MapSelectboxGadget(i);
+    DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
+#if 1
+    ModifyEditorSelectbox(i, *selectbox_info[i].value);
+#else
+    ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
+                GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
+#endif
+    MapSelectboxGadget(i);
+  }
 }
 
 static void DrawPropertiesWindow()
@@ -3995,6 +4111,9 @@ static void DrawPropertiesWindow()
       !checkPropertiesConfig())
     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
 
+  if (IS_CUSTOM_ELEMENT(properties_element))
+    CopyCustomElementPropertiesToEditor(properties_element);
+
   UnmapLevelEditorWindowGadgets();
 
   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
@@ -4648,6 +4767,7 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
   int sx = gi->event.x, sy = gi->event.y;
   int min_sx = 0, min_sy = 0;
   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
+  int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
   int lx = 0, ly = 0;
   int min_lx = 0, min_ly = 0;
   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
@@ -4743,17 +4863,34 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
       }
       else
       {
-       DrawMiniGraphicExt(drawto,
-                          gi->x + sx * MINI_TILEX,
-                          gi->y + sy * MINI_TILEY,
-                          el2edimg(new_element));
-       DrawMiniGraphicExt(window,
-                          gi->x + sx * MINI_TILEX,
-                          gi->y + sy * MINI_TILEY,
-                          el2edimg(new_element));
+       if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
+         DrawMiniGraphicExt(drawto,
+                            gi->x + sx * MINI_TILEX,
+                            gi->y + sy * MINI_TILEY,
+                            el2edimg(new_element));
+       else
+         DrawGraphicExt(drawto,
+                        gi->x + sx * TILEX,
+                        gi->y + sy * TILEY,
+                        el2img(new_element), 0);
 
        if (id == GADGET_ID_AMOEBA_CONTENT)
          level.amoeba_content = new_element;
+       else if (id == GADGET_ID_CUSTOM_GRAPHIC &&
+                IS_CUSTOM_ELEMENT(properties_element))
+       {
+         int i = properties_element - EL_CUSTOM_START;
+
+         if (IS_CUSTOM_ELEMENT(new_element))
+           new_element = CUSTOM_ELEMENT_INFO(new_element).change.gfx_element;
+
+         custom_element_change.gfx_element = new_element;
+         level.custom_element[i].change = custom_element_change;
+
+         ModifyEditorElementList();
+
+         FrameCounter = 0;     /* restart animation frame counter */
+       }
        else if (id == GADGET_ID_CUSTOM_CHANGED &&
                 IS_CUSTOM_ELEMENT(properties_element))
        {
@@ -4944,6 +5081,12 @@ static void HandleSelectboxGadgets(struct GadgetInfo *gi)
   int type_id = gi->custom_type_id;
 
   *selectbox_info[type_id].index = gi->selectbox.index;
+  *selectbox_info[type_id].value =
+    selectbox_info[type_id].options[gi->selectbox.index].value;
+
+  if (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
+      type_id <= ED_SELECTBOX_ID_CHANGE_LAST)
+    CopyCustomElementPropertiesToGame(properties_element);
 
 #if 0
   printf("Selected text value: '%s' [%d]\n",
@@ -4988,7 +5131,7 @@ static void HandleControlButtons(struct GadgetInfo *gi)
   int button = gi->event.button;
   int step = BUTTON_STEPSIZE(button);
   int new_element = BUTTON_ELEMENT(button);
-  int i, x, y;
+  int x, y;
 
   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
     DrawLevelText(0, 0, 0, TEXT_END);
@@ -5108,18 +5251,8 @@ static void HandleControlButtons(struct GadgetInfo *gi)
                     element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
       }
 
-      for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
-      {
-       int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
-       struct GadgetInfo *gi = level_editor_gadget[gadget_id];
-       struct GadgetDesign *gd = &gi->deco.design;
-       int element = editor_elements[element_shift + i];
-
-       UnmapGadget(gi);
-       getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
-       ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
-       MapGadget(gi);
-      }
+      ModifyEditorElementList();
+
       break;
 
     case GADGET_ID_WRAP_LEFT:
@@ -5569,6 +5702,9 @@ static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
   else if (id == GADGET_ID_AMOEBA_CONTENT)
     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
              "Amoeba content");
+  else if (id == GADGET_ID_CUSTOM_GRAPHIC)
+    DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+             "Optional custom graphic element");
   else if (id == GADGET_ID_CUSTOM_CHANGED)
     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
              "New element after change");