minor whitespace change
[rocksndiamonds.git] / src / screens.c
index 021dfcdc3fc046691115548736f33eff5a07d4d8..1233b803dbe8b7b57c664c596acf0509fde28a72 100644 (file)
 
 #define MAX_MENU_MODES                 MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
 
+// info screen titles
+#define STR_INFO_MAIN                  "Info Screen"
+#define STR_INFO_TITLE                 "Title Screen"
+#define STR_INFO_ELEMENTS              "Game Elements"
+#define STR_INFO_MUSIC                 "Music Info"
+#define STR_INFO_CREDITS               "Credits"
+#define STR_INFO_PROGRAM               "Program Info"
+#define STR_INFO_VERSION               "Version Info"
+#define STR_INFO_LEVELSET              "Level Set Info"
+#define STR_INFO_EXIT                  "Exit"
+
 // setup screen titles
 #define STR_SETUP_MAIN                 "Setup"
 #define STR_SETUP_GAME                 "Game & Menu"
 #define MENU_SCREEN_INFO_SPACE_RIGHT   (menu.right_spacing_info[info_mode])
 #define MENU_SCREEN_INFO_SPACE_TOP     (menu.top_spacing_info[info_mode])
 #define MENU_SCREEN_INFO_SPACE_BOTTOM  (menu.bottom_spacing_info[info_mode])
-#define MENU_SCREEN_INFO_YSTART1       MENU_SCREEN_INFO_SPACE_TOP
-#define MENU_SCREEN_INFO_YSTART2       (MENU_SCREEN_INFO_YSTART1 +            \
-                                        getMenuTextStep(MENU_INFO_SPACE_HEAD, \
-                                                        MENU_INFO_FONT_TITLE))
+#define MENU_SCREEN_INFO_YSTART                MENU_SCREEN_INFO_SPACE_TOP
 #define MENU_SCREEN_INFO_YSTEP         (TILEY + 4)
 #define MENU_SCREEN_INFO_YBOTTOM       (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 #define MENU_SCREEN_INFO_YSIZE         (MENU_SCREEN_INFO_YBOTTOM -     \
-                                        MENU_SCREEN_INFO_YSTART2 -     \
+                                        MENU_SCREEN_INFO_YSTART -      \
                                         TILEY / 2)
-#define MAX_INFO_ELEMENTS_ON_SCREEN    128
-#define STD_INFO_ELEMENTS_ON_SCREEN    (MENU_SCREEN_INFO_YSIZE /       \
+#define MAX_INFO_ELEMENTS_IN_ARRAY     128
+#define MAX_INFO_ELEMENTS_ON_SCREEN    (SYSIZE / TILEY)
+#define MAX_INFO_ELEMENTS              MIN(MAX_INFO_ELEMENTS_IN_ARRAY, \
+                                           MAX_INFO_ELEMENTS_ON_SCREEN)
+#define STD_INFO_ELEMENTS_ON_SCREEN    10
+#define DYN_INFO_ELEMENTS_ON_SCREEN    (MENU_SCREEN_INFO_YSIZE /       \
                                         MENU_SCREEN_INFO_YSTEP)
-#define NUM_INFO_ELEMENTS_FROM_CONF    \
+#define DEFAULT_INFO_ELEMENTS          MIN(STD_INFO_ELEMENTS_ON_SCREEN,\
+                                           DYN_INFO_ELEMENTS_ON_SCREEN)
+#define NUM_INFO_ELEMENTS_FROM_CONF                                    \
   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?            \
    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                        \
-   MAX_MENU_ENTRIES_ON_SCREEN)
-#define NUM_INFO_ELEMENTS_ON_SCREEN    MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
-                                                MAX_INFO_ELEMENTS_ON_SCREEN), \
-                                           NUM_INFO_ELEMENTS_FROM_CONF)
+   DEFAULT_INFO_ELEMENTS)
+#define NUM_INFO_ELEMENTS_ON_SCREEN    MIN(NUM_INFO_ELEMENTS_FROM_CONF,\
+                                           MAX_INFO_ELEMENTS)
 #define MAX_MENU_ENTRIES_ON_SCREEN     (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 #define MAX_MENU_TEXT_LENGTH_BIG       13
 #define MAX_MENU_TEXT_LENGTH_MEDIUM    (MAX_MENU_TEXT_LENGTH_BIG * 2)
 #define SCREEN_CTRL_ID_NEXT_PLAYER     11
 #define SCREEN_CTRL_ID_INSERT_SOLUTION 12
 #define SCREEN_CTRL_ID_PLAY_SOLUTION   13
-#define SCREEN_CTRL_ID_SWITCH_ECS_AGA  14
-#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE 15
-#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE 16
-#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2        17
-#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2        18
+#define SCREEN_CTRL_ID_LEVELSET_INFO   14
+#define SCREEN_CTRL_ID_SWITCH_ECS_AGA  15
+#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE 16
+#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE 17
+#define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2        18
+#define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2        19
 
-#define NUM_SCREEN_MENUBUTTONS         19
+#define NUM_SCREEN_MENUBUTTONS         20
 
-#define SCREEN_CTRL_ID_SCROLL_UP       19
-#define SCREEN_CTRL_ID_SCROLL_DOWN     20
-#define SCREEN_CTRL_ID_SCROLL_VERTICAL 21
-#define SCREEN_CTRL_ID_NETWORK_SERVER  22
+#define SCREEN_CTRL_ID_SCROLL_UP       20
+#define SCREEN_CTRL_ID_SCROLL_DOWN     21
+#define SCREEN_CTRL_ID_SCROLL_VERTICAL 22
+#define SCREEN_CTRL_ID_NETWORK_SERVER  23
 
-#define NUM_SCREEN_GADGETS             23
+#define NUM_SCREEN_GADGETS             24
 
 #define NUM_SCREEN_SCROLLBUTTONS       2
 #define NUM_SCREEN_SCROLLBARS          1
 
 #define SCREEN_MASK_MAIN               (1 << 0)
 #define SCREEN_MASK_MAIN_HAS_SOLUTION  (1 << 1)
-#define SCREEN_MASK_INPUT              (1 << 2)
-#define SCREEN_MASK_TOUCH              (1 << 3)
-#define SCREEN_MASK_TOUCH2             (1 << 4)
-#define SCREEN_MASK_SCORES             (1 << 5)
-#define SCREEN_MASK_SCORES_INFO                (1 << 6)
+#define SCREEN_MASK_MAIN_HAS_SET_INFO  (1 << 2)
+#define SCREEN_MASK_INPUT              (1 << 3)
+#define SCREEN_MASK_TOUCH              (1 << 4)
+#define SCREEN_MASK_TOUCH2             (1 << 5)
+#define SCREEN_MASK_SCORES             (1 << 6)
+#define SCREEN_MASK_SCORES_INFO                (1 << 7)
 
 // graphic position and size values for buttons and scrollbars
 #define SC_MENUBUTTON_XSIZE            TILEX
@@ -313,6 +328,10 @@ static void DrawHallOfFame_setScoreEntries(void);
 static void HandleHallOfFame_SelectLevel(int, int);
 static char *getHallOfFameRankText(int, int);
 static char *getHallOfFameScoreText(int, int);
+static char *getInfoScreenTitle_Generic(void);
+static int getInfoScreenBackgroundImage_Generic(void);
+static int getInfoScreenBackgroundSound_Generic(void);
+static int getInfoScreenBackgroundMusic_Generic(void);
 
 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
 
@@ -923,6 +942,11 @@ static struct MainControlInfo main_controls[] =
 };
 
 
+static boolean hasLevelSetInfo(void)
+{
+  return (getLevelSetInfoFilename(0) != NULL);
+}
+
 static int getTitleScreenGraphic(int nr, boolean initial)
 {
   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
@@ -1542,10 +1566,32 @@ static void drawChooseTreeEdit(int ypos_raw, boolean active)
   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
 }
 
-static void DrawHeadline(void)
+static void DrawInfoScreen_Headline(int screen_nr, int num_screens,
+                                   int use_global_screens)
 {
-  DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
-  DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
+  char *info_text_title_1 = getInfoScreenTitle_Generic();
+  char info_text_title_2[MAX_LINE_LEN + 1];
+
+  if (num_screens > 1)
+  {
+    sprintf(info_text_title_2, "Page %d of %d", screen_nr + 1, num_screens);
+  }
+  else
+  {
+    char *text_format = (use_global_screens ? "for %s" : "for \"%s\"");
+    int text_format_len = strlen(text_format) - strlen("%s");
+    int max_text_len = SXSIZE / getFontWidth(FONT_TITLE_2);
+    int max_name_len = max_text_len - text_format_len;
+    char name_cut[max_name_len];
+    char *name_full = (use_global_screens ? getProgramTitleString() :
+                      leveldir_current->name);
+
+    snprintf(name_cut, max_name_len, "%s", name_full);
+    snprintf(info_text_title_2, max_text_len, text_format, name_cut);
+  }
+
+  DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, info_text_title_1);
+  DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, info_text_title_2);
 }
 
 static void DrawTitleScreenImage(int nr, boolean initial)
@@ -1809,6 +1855,7 @@ void DrawMainMenu(void)
   MapTapeButtons();
   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
+  UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SET_INFO, hasLevelSetInfo());
 
   // copy actual game door content to door double buffer for OpenDoor()
   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
@@ -2404,15 +2451,15 @@ static void execExitInfo(void)
 
 static struct TokenInfo info_info_main[] =
 {
-  { TYPE_ENTER_SCREEN, execInfoTitleScreen,    "Title Screen"          },
-  { TYPE_ENTER_SCREEN, execInfoElements,       "Elements Info"         },
-  { TYPE_ENTER_SCREEN, execInfoMusic,          "Music Info"            },
-  { TYPE_ENTER_SCREEN, execInfoCredits,        "Credits"               },
-  { TYPE_ENTER_SCREEN, execInfoProgram,        "Program Info"          },
-  { TYPE_ENTER_SCREEN, execInfoVersion,        "Version Info"          },
-  { TYPE_ENTER_SCREEN, execInfoLevelSet,       "Level Set Info"        },
+  { TYPE_ENTER_SCREEN, execInfoTitleScreen,    STR_INFO_TITLE          },
+  { TYPE_ENTER_SCREEN, execInfoElements,       STR_INFO_ELEMENTS       },
+  { TYPE_ENTER_SCREEN, execInfoMusic,          STR_INFO_MUSIC          },
+  { TYPE_ENTER_SCREEN, execInfoCredits,        STR_INFO_CREDITS        },
+  { TYPE_ENTER_SCREEN, execInfoProgram,        STR_INFO_PROGRAM        },
+  { TYPE_ENTER_SCREEN, execInfoVersion,        STR_INFO_VERSION        },
+  { TYPE_ENTER_SCREEN, execInfoLevelSet,       STR_INFO_LEVELSET       },
   { TYPE_EMPTY,                NULL,                   ""                      },
-  { TYPE_LEAVE_MENU,   execExitInfo,           "Exit"                  },
+  { TYPE_LEAVE_MENU,   execExitInfo,           STR_INFO_EXIT           },
 
   { 0,                 NULL,                   NULL                    }
 };
@@ -2438,6 +2485,78 @@ static struct TokenInfo setup_info_input[];
 
 static struct TokenInfo *menu_info;
 
+static void PlayInfoSound(void)
+{
+  int info_sound = getInfoScreenBackgroundSound_Generic();
+  char *next_sound = getSoundInfoEntryFilename(info_sound);
+
+  if (next_sound != NULL)
+    PlayMenuSoundExt(info_sound);
+  else
+    PlayMenuSound();
+}
+
+static void PlayInfoSoundIfLoop(void)
+{
+  int info_sound = getInfoScreenBackgroundSound_Generic();
+  char *next_sound = getSoundInfoEntryFilename(info_sound);
+
+  if (next_sound != NULL)
+    PlayMenuSoundIfLoopExt(info_sound);
+  else
+    PlayMenuSoundIfLoop();
+}
+
+static void PlayInfoMusic(void)
+{
+  int info_music = getInfoScreenBackgroundMusic_Generic();
+  char *curr_music = getCurrentlyPlayingMusicFilename();
+  char *next_music = getMusicInfoEntryFilename(info_music);
+
+  if (next_music != NULL)
+  {
+    // play music if info screen music differs from current music
+    if (!strEqual(curr_music, next_music))
+      PlayMenuMusicExt(info_music);
+  }
+  else
+  {
+    // only needed if info screen was directly invoked from main menu
+    PlayMenuMusic();
+  }
+}
+
+static void PlayInfoSoundsAndMusic(void)
+{
+  PlayInfoSound();
+  PlayInfoMusic();
+}
+
+static void FadeInfoSounds(void)
+{
+  FadeSounds();
+}
+
+static void FadeInfoMusic(void)
+{
+  int info_music = getInfoScreenBackgroundMusic_Generic();
+  char *curr_music = getCurrentlyPlayingMusicFilename();
+  char *next_music = getMusicInfoEntryFilename(info_music);
+
+  if (next_music != NULL)
+  {
+    // fade music if info screen music differs from current music
+    if (!strEqual(curr_music, next_music))
+      FadeMusic();
+  }
+}
+
+static void FadeInfoSoundsAndMusic(void)
+{
+  FadeInfoSounds();
+  FadeInfoMusic();
+}
+
 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
                                       int screen_pos, int menu_info_pos_raw,
                                       boolean active)
@@ -2582,7 +2701,7 @@ static void DrawInfoScreen_Main(void)
 
   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 
-  DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
+  DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_INFO_MAIN);
 
   info_info = info_info_main;
 
@@ -2951,15 +3070,23 @@ static int getMenuTextStep(int spacing_height, int font_nr)
   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
 }
 
+static int getHeadlineSpacing(void)
+{
+  // special compatibility handling for "R'n'D jue 2022" game editions
+  int spacing_check = menu.headline1_spacing[GAME_MODE_SCOREINFO];
+  int spacing = (game_status == GAME_MODE_SCOREINFO ?
+                menu.headline1_spacing[GAME_MODE_SCOREINFO] :
+                menu.headline1_spacing_info[info_mode]);
+  int font = MENU_INFO_FONT_TITLE;
+
+  return (spacing_check != -2 ? getMenuTextStep(spacing, font) : 0);
+}
+
 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
 {
-  int font_title = MENU_INFO_FONT_TITLE;
   int font_error = FONT_TEXT_2;
   int font_foot  = MENU_INFO_FONT_FOOT;
-  int spacing_title = menu.headline1_spacing_info[info_mode];
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
-  int ystart2 = ystart1 + ystep_title;
+  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
 
   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
@@ -2967,11 +3094,10 @@ void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
   FadeOut(REDRAW_FIELD);
 
   ClearField();
-  DrawHeadline();
 
-  DrawTextSCentered(ystart1, font_title, text_title);
-  DrawTextSCentered(ystart2, font_error, text_error);
+  DrawInfoScreen_Headline(0, 1, FALSE);
 
+  DrawTextSCentered(ystart, font_error, text_error);
   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
 
   FadeIn(REDRAW_FIELD);
@@ -2979,13 +3105,11 @@ void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
 
 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
 {
-  static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
-  static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
-  int font_title = MENU_INFO_FONT_TITLE;
-  int font_foot  = MENU_INFO_FONT_FOOT;
-  int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
-  int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
-  int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
+  static int infoscreen_step[MAX_INFO_ELEMENTS_IN_ARRAY];
+  static int infoscreen_frame[MAX_INFO_ELEMENTS_IN_ARRAY];
+  int font_foot = MENU_INFO_FONT_FOOT;
+  int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
+  int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
   int ystep = MENU_SCREEN_INFO_YSTEP;
   int element, action, direction;
@@ -2999,10 +3123,6 @@ void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
       infoscreen_step[i] = infoscreen_frame[i] = 0;
 
-    ClearField();
-    DrawHeadline();
-
-    DrawTextSCentered(ystart1, font_title, "The Game Elements:");
     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
 
     FrameCounter = 0;
@@ -3074,9 +3194,9 @@ void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
 
     j++;
 
-    ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
+    ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
                               TILEX, TILEY);
-    DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
+    DrawFixedGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
                                 graphic, sync_frame, USE_MASKING);
 
     if (init)
@@ -3112,7 +3232,7 @@ void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
   int font_height = getFontHeight(font_nr);
   int yoffset = (TILEX - 2 * font_height) / 2;
   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
-  int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
+  int ystart = mSY + MENU_SCREEN_INFO_YSTART + yoffset + getHeadlineSpacing();
   int ystep = TILEY + 4;
   int pad_left = xstart - SX;
   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
@@ -3159,6 +3279,8 @@ static void DrawInfoScreen_Elements(void)
 {
   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
 
+  FadeInfoSoundsAndMusic();
+
   FadeOut(REDRAW_FIELD);
 
   LoadHelpAnimInfo();
@@ -3166,6 +3288,8 @@ static void DrawInfoScreen_Elements(void)
 
   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
 
+  PlayInfoSoundsAndMusic();
+
   FadeIn(REDRAW_FIELD);
 }
 
@@ -3221,7 +3345,7 @@ void HandleInfoScreen_Elements(int dx, int dy, int button)
 
     if (page < 0 || page >= num_pages)
     {
-      FadeMenuSoundsAndMusic();
+      FadeInfoSoundsAndMusic();
 
       info_mode = INFO_MODE_MAIN;
       DrawInfoScreen();
@@ -3235,6 +3359,9 @@ void HandleInfoScreen_Elements(int dx, int dy, int button)
     if (button != MB_MENU_INITIALIZE)
       FadeOut(REDRAW_FIELD);
 
+    ClearField();
+
+    DrawInfoScreen_Headline(page, num_pages, TRUE);
     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
 
     if (button != MB_MENU_INITIALIZE)
@@ -3246,7 +3373,7 @@ void HandleInfoScreen_Elements(int dx, int dy, int button)
       if (page < num_pages)
        DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
 
-    PlayMenuSoundIfLoop();
+    PlayInfoSoundIfLoop();
   }
 }
 
@@ -3257,7 +3384,8 @@ static void DrawInfoScreen_Music(void)
   FadeOut(REDRAW_FIELD);
 
   ClearField();
-  DrawHeadline();
+
+  DrawInfoScreen_Headline(0, 1, TRUE);
 
   LoadMusicInfo();
 
@@ -3269,19 +3397,30 @@ static void DrawInfoScreen_Music(void)
 void HandleInfoScreen_Music(int dx, int dy, int button)
 {
   static struct MusicFileInfo *list = NULL;
+  static int num_screens = 0;
+  static int screen_nr = 0;
   int font_title = MENU_INFO_FONT_TITLE;
   int font_head  = MENU_INFO_FONT_HEAD;
   int font_text  = MENU_INFO_FONT_TEXT;
   int font_foot  = MENU_INFO_FONT_FOOT;
-  int spacing_title = menu.headline1_spacing_info[info_mode];
-  int spacing_head  = menu.headline2_spacing_info[info_mode];
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystep_head  = getMenuTextStep(spacing_head,  font_head);
-  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+  int spacing_head = menu.headline2_spacing_info[info_mode];
+  int ystep_head = getMenuTextStep(spacing_head,  font_head);
+  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
 
   if (button == MB_MENU_INITIALIZE)
   {
+    struct MusicFileInfo *list_ptr = music_file_info;
+
+    num_screens = 0;
+    screen_nr = 0;
+
+    while (list_ptr != NULL)
+    {
+      list_ptr = list_ptr->next;
+      num_screens++;
+    }
+
     list = music_file_info;
 
     if (list == NULL)
@@ -3289,7 +3428,8 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
       FadeMenuSoundsAndMusic();
 
       ClearField();
-      DrawHeadline();
+
+      DrawInfoScreen_Headline(0, 1, TRUE);
 
       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
@@ -3316,7 +3456,10 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
       PlaySound(SND_MENU_ITEM_SELECTING);
 
       if (list != NULL)
+      {
        list = (dx < 0 ? list->prev : list->next);
+       screen_nr += (dx < 0 ? -1 : +1);
+      }
     }
 
     if (list == NULL)
@@ -3338,7 +3481,8 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
       FadeOut(REDRAW_FIELD);
 
     ClearField();
-    DrawHeadline();
+
+    DrawInfoScreen_Headline(screen_nr, num_screens, TRUE);
 
     if (list->is_sound)
     {
@@ -3348,8 +3492,6 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
        PlaySoundLoop(sound);
       else
        PlaySound(sound);
-
-      DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
     }
     else
     {
@@ -3359,19 +3501,16 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
        PlayMusicLoop(music);
       else
        PlayMusic(music);
-
-      DrawTextSCentered(ystart, font_title, "The Game Background Music:");
     }
 
-    ystart += ystep_title;
-
     if (!strEqual(list->title, UNKNOWN_NAME))
     {
       if (!strEqual(list->title_header, UNKNOWN_NAME))
-      {
        DrawTextSCentered(ystart, font_head, list->title_header);
-       ystart += ystep_head;
-      }
+      else
+       DrawTextSCentered(ystart, font_head, "Track");
+
+      ystart += ystep_head;
 
       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
       ystart += ystep_head;
@@ -3428,20 +3567,17 @@ void HandleInfoScreen_Music(int dx, int dy, int button)
 
 static void DrawInfoScreen_Version(void)
 {
-  int font_title = MENU_INFO_FONT_TITLE;
-  int font_head  = MENU_INFO_FONT_HEAD;
-  int font_text  = MENU_INFO_FONT_TEXT;
-  int font_foot  = MENU_INFO_FONT_FOOT;
-  int spacing_title = menu.headline1_spacing_info[info_mode];
-  int spacing_head  = menu.headline2_spacing_info[info_mode];
-  int spacing_para  = menu.paragraph_spacing_info[info_mode];
-  int spacing_line  = menu.line_spacing_info[info_mode];
+  int font_head = MENU_INFO_FONT_HEAD;
+  int font_text = MENU_INFO_FONT_TEXT;
+  int font_foot = MENU_INFO_FONT_FOOT;
+  int spacing_head = menu.headline2_spacing_info[info_mode];
+  int spacing_para = menu.paragraph_spacing_info[info_mode];
+  int spacing_line = menu.line_spacing_info[info_mode];
   int xstep = getFontWidth(font_text);
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystep_head  = getMenuTextStep(spacing_head,  font_head);
-  int ystep_para  = getMenuTextStep(spacing_para,  font_text);
-  int ystep_line  = getMenuTextStep(spacing_line,  font_text);
-  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+  int ystep_head = getMenuTextStep(spacing_head,  font_head);
+  int ystep_para = getMenuTextStep(spacing_para,  font_text);
+  int ystep_line = getMenuTextStep(spacing_line,  font_text);
+  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
   int xstart1 = mSX - SX + 2 * xstep;
   int xstart2 = mSX - SX + 18 * xstep;
@@ -3454,13 +3590,13 @@ static void DrawInfoScreen_Version(void)
 
   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
 
+  FadeInfoSoundsAndMusic();
+
   FadeOut(REDRAW_FIELD);
 
   ClearField();
-  DrawHeadline();
 
-  DrawTextSCentered(ystart, font_title, "Version Information:");
-  ystart += ystep_title;
+  DrawInfoScreen_Headline(0, 1, TRUE);
 
   DrawTextF(xstart1, ystart, font_head, "Name");
   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
@@ -3593,6 +3729,8 @@ static void DrawInfoScreen_Version(void)
 
   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
 
+  PlayInfoSoundsAndMusic();
+
   FadeIn(REDRAW_FIELD);
 }
 
@@ -3622,14 +3760,50 @@ void HandleInfoScreen_Version(int button)
   }
 }
 
-static int getInfoScreenBackground_Generic(void)
+static char *getInfoScreenTitle_Generic(void)
 {
-  return (info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
+  return (info_mode == INFO_MODE_MAIN     ? STR_INFO_MAIN     :
+         info_mode == INFO_MODE_TITLE    ? STR_INFO_TITLE    :
+         info_mode == INFO_MODE_ELEMENTS ? STR_INFO_ELEMENTS :
+         info_mode == INFO_MODE_MUSIC    ? STR_INFO_MUSIC    :
+         info_mode == INFO_MODE_CREDITS  ? STR_INFO_CREDITS  :
+         info_mode == INFO_MODE_PROGRAM  ? STR_INFO_PROGRAM  :
+         info_mode == INFO_MODE_VERSION  ? STR_INFO_VERSION  :
+         info_mode == INFO_MODE_LEVELSET ? STR_INFO_LEVELSET :
+         "");
+}
+
+static int getInfoScreenBackgroundImage_Generic(void)
+{
+  return (info_mode == INFO_MODE_ELEMENTS ? IMG_BACKGROUND_INFO_ELEMENTS :
+         info_mode == INFO_MODE_MUSIC    ? IMG_BACKGROUND_INFO_MUSIC    :
+         info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
          info_mode == INFO_MODE_PROGRAM  ? IMG_BACKGROUND_INFO_PROGRAM  :
+         info_mode == INFO_MODE_VERSION  ? IMG_BACKGROUND_INFO_VERSION  :
          info_mode == INFO_MODE_LEVELSET ? IMG_BACKGROUND_INFO_LEVELSET :
          IMG_BACKGROUND_INFO);
 }
 
+static int getInfoScreenBackgroundSound_Generic(void)
+{
+  return (info_mode == INFO_MODE_ELEMENTS ? SND_BACKGROUND_INFO_ELEMENTS :
+         info_mode == INFO_MODE_CREDITS  ? SND_BACKGROUND_INFO_CREDITS  :
+         info_mode == INFO_MODE_PROGRAM  ? SND_BACKGROUND_INFO_PROGRAM  :
+         info_mode == INFO_MODE_VERSION  ? SND_BACKGROUND_INFO_VERSION  :
+         info_mode == INFO_MODE_LEVELSET ? SND_BACKGROUND_INFO_LEVELSET :
+         SND_BACKGROUND_INFO);
+}
+
+static int getInfoScreenBackgroundMusic_Generic(void)
+{
+  return (info_mode == INFO_MODE_ELEMENTS ? MUS_BACKGROUND_INFO_ELEMENTS :
+         info_mode == INFO_MODE_CREDITS  ? MUS_BACKGROUND_INFO_CREDITS  :
+         info_mode == INFO_MODE_PROGRAM  ? MUS_BACKGROUND_INFO_PROGRAM  :
+         info_mode == INFO_MODE_VERSION  ? MUS_BACKGROUND_INFO_VERSION  :
+         info_mode == INFO_MODE_LEVELSET ? MUS_BACKGROUND_INFO_LEVELSET :
+         MUS_BACKGROUND_INFO);
+}
+
 static char *getInfoScreenFilename_Generic(int nr, boolean global)
 {
   return (info_mode == INFO_MODE_CREDITS  ? getCreditsFilename(nr, global) :
@@ -3639,38 +3813,34 @@ static char *getInfoScreenFilename_Generic(int nr, boolean global)
 }
 
 static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
-                                        int use_global_screens,
-                                        char *text_title)
+                                        int use_global_screens)
 {
   char *filename = getInfoScreenFilename_Generic(screen_nr, use_global_screens);
-  int font_title = MENU_INFO_FONT_TITLE;
-  int font_text  = MENU_INFO_FONT_TEXT;
-  int font_foot  = MENU_INFO_FONT_FOOT;
-  int spacing_title = menu.headline1_spacing_info[info_mode];
-  int spacing_line  = menu.line_spacing_info[info_mode];
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+  int font_text = MENU_INFO_FONT_TEXT;
+  int font_foot = MENU_INFO_FONT_FOOT;
+  int spacing_line = menu.line_spacing_info[info_mode];
   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
 
   ClearField();
-  DrawHeadline();
 
-  DrawTextSCentered(ystart, font_title, text_title);
+  DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
 
   if (info_mode == INFO_MODE_CREDITS ||
       info_mode == INFO_MODE_PROGRAM)
   {
     int width = SXSIZE;
-    int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
+    int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART;
     int chars = width / getFontWidth(font_text);
     int lines = height / getFontHeight(font_text);
     int padx = (width - chars * getFontWidth(font_text)) / 2;
     int line_spacing = getMenuTextSpacing(spacing_line, font_text);
+    int xstart = mSX + padx;
+    int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
     boolean autowrap = FALSE;
     boolean centered = TRUE;
     boolean parse_comments = TRUE;
 
-    DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
+    DrawTextFile(xstart, ystart,
                 filename, font_text, chars, -1, lines, line_spacing, -1,
                 autowrap, centered, parse_comments);
   }
@@ -3684,7 +3854,7 @@ static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
 
     // if y position set to "-1", use static default value
     if (tmi->y == -1)
-      tmi->y = 150;
+      tmi->y = MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
 
     // if width set to "-1", automatically determine by playfield width
     if (tmi->width == -1)
@@ -3719,20 +3889,21 @@ static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
 
 static void DrawInfoScreen_Generic(void)
 {
-  SetMainBackgroundImageIfDefined(getInfoScreenBackground_Generic());
+  SetMainBackgroundImageIfDefined(getInfoScreenBackgroundImage_Generic());
 
-  FadeMenuSoundsAndMusic();
+  FadeInfoSoundsAndMusic();
 
   FadeOut(REDRAW_FIELD);
 
   HandleInfoScreen_Generic(0, 0, MB_MENU_INITIALIZE);
 
+  PlayInfoSoundsAndMusic();
+
   FadeIn(REDRAW_FIELD);
 }
 
 void HandleInfoScreen_Generic(int dx, int dy, int button)
 {
-  static char *text_title = "";
   static char *text_no_info = "";
   static int num_screens = 0;
   static int screen_nr = 0;
@@ -3759,25 +3930,26 @@ void HandleInfoScreen_Generic(int dx, int dy, int button)
          break;
       }
 
-      text_title = "Credits:";
-      text_no_info = "No credits for this level set.";
+      text_no_info = "No credits available.";
     }
     else if (info_mode == INFO_MODE_PROGRAM)
     {
+      use_global_screens = TRUE;
+
       // determine number of program info screens
       while (getProgramInfoFilename(num_screens) != NULL)
        num_screens++;
 
-      text_title = "Program Information:";
       text_no_info = "No program info available.";
     }
     else if (info_mode == INFO_MODE_LEVELSET)
     {
+      use_global_screens = FALSE;
+
       // determine number of levelset info screens
       while (getLevelSetInfoFilename(num_screens) != NULL)
        num_screens++;
 
-      text_title = "Level Set Information:";
       text_no_info = "No level set info available.";
     }
 
@@ -3785,11 +3957,12 @@ void HandleInfoScreen_Generic(int dx, int dy, int button)
     {
       int font_title = MENU_INFO_FONT_TITLE;
       int font_foot  = MENU_INFO_FONT_FOOT;
-      int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
+      int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
 
       ClearField();
-      DrawHeadline();
+
+      DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
 
       DrawTextSCentered(ystart, font_title, text_no_info);
       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
@@ -3797,8 +3970,7 @@ void HandleInfoScreen_Generic(int dx, int dy, int button)
       return;
     }
 
-    DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens,
-                                text_title);
+    DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
   }
   else if (button == MB_MENU_LEAVE)
   {
@@ -3815,7 +3987,7 @@ void HandleInfoScreen_Generic(int dx, int dy, int button)
 
     if (screen_nr < 0 || screen_nr >= num_screens)
     {
-      FadeMenuSoundsAndMusic();
+      FadeInfoSoundsAndMusic();
 
       info_mode = INFO_MODE_MAIN;
       DrawInfoScreen();
@@ -3826,15 +3998,14 @@ void HandleInfoScreen_Generic(int dx, int dy, int button)
 
       FadeOut(REDRAW_FIELD);
 
-      DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens,
-                                  text_title);
+      DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
 
       FadeIn(REDRAW_FIELD);
     }
   }
   else
   {
-    PlayMenuSoundIfLoop();
+    PlayInfoSoundIfLoop();
   }
 }
 
@@ -3856,11 +4027,6 @@ static void DrawInfoScreen(void)
     DrawInfoScreen_Generic();
   else
     DrawInfoScreen_Main();
-
-  if (info_mode != INFO_MODE_MAIN &&
-      info_mode != INFO_MODE_TITLE &&
-      info_mode != INFO_MODE_MUSIC)
-    PlayMenuSoundsAndMusic();
 }
 
 void DrawInfoScreen_FromMainMenu(int nr)
@@ -4532,35 +4698,6 @@ static void drawChooseTreeScreen(TreeInfo *ti)
     MapScreenTreeGadgets(ti);
 }
 
-static void drawChooseTreeScreen_Scores_NotAvailable(void)
-{
-  // dirty workaround to use spacing definitions from info screen
-  info_mode = INFO_MODE_TITLE;
-
-  char *text_info = "HighScores of Level %d";
-  char *text_title = "Score information:";
-  char *text_error = "No scores for this level.";
-  char *text_foot = TEXT_MAIN_MENU;
-  int font_info = FONT_TITLE_2;
-  int font_title = FONT_INITIAL_3;
-  int font_error = FONT_INITIAL_4;
-  int font_foot  = FONT_INITIAL_2;
-  int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
-  int ystart2 = ystart1 + ystep_title;
-  int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
-  int ystart0 = MENU_TITLE2_YPOS;
-
-  drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
-  DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
-
-  DrawTextSCentered(ystart1, font_title, text_title);
-  DrawTextSCentered(ystart2, font_error, text_error);
-
-  DrawTextSCentered(ybottom, font_foot, text_foot);
-}
-
 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
 {
   int score_pos = scores.last_added;
@@ -4602,9 +4739,6 @@ static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
   int num_entries = numTreeInfoInGroup(ti);
   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
   boolean position_set_by_scrollbar = (dx == 999);
-  boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
-  boolean button_is_valid = (mx >= 0 && my >= 0);
-  boolean button_screen_clicked = (button_action && button_is_valid);
 
   if (game_status == GAME_MODE_SCORES)
   {
@@ -4617,31 +4751,10 @@ static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
 
       DrawHallOfFame_setScoreEntries();
 
-      if (score_entries != NULL)
-      {
-       ti = setHallOfFameActiveEntry(ti_ptr);
-
-       if (button != MB_MENU_INITIALIZE)
-         drawChooseTreeScreen(ti);
-      }
-    }
-
-    if (score_entries == NULL)
-    {
-      if (button == MB_MENU_INITIALIZE)
-      {
-       drawChooseTreeScreen_Scores_NotAvailable();
-      }
-      else if (button_screen_clicked)
-      {
-       PlaySound(SND_MENU_ITEM_SELECTING);
-
-       SetGameStatus(GAME_MODE_MAIN);
-
-       DrawMainMenu();
-      }
+      ti = setHallOfFameActiveEntry(ti_ptr);
 
-      return;
+      if (button != MB_MENU_INITIALIZE)
+       drawChooseTreeScreen(ti);
     }
   }
 
@@ -5241,8 +5354,6 @@ static void DrawHallOfFame_setScoreEntries(void)
 
   if (score_entries != NULL && scores.continue_playing)
     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
-
-  // ("score_entries" and "score_entry_current" may be NULL here)
 }
 
 void DrawHallOfFame(int nr)
@@ -5380,19 +5491,18 @@ static void DrawScoreInfo_Content(int entry_nr)
   struct ScoreEntry *entry = &scores.entry[entry_nr];
   char *pos_text = getHallOfFameRankText(entry_nr, 0);
   char *tape_date = getHallOfFameTapeDateText(entry);
-  int font_title = MENU_INFO_FONT_TITLE;
-  int font_head  = MENU_INFO_FONT_HEAD;
-  int font_text  = MENU_INFO_FONT_TEXT;
-  int font_foot  = MENU_INFO_FONT_FOOT;
-  int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
-  int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
-  int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
+  int font_head = MENU_INFO_FONT_HEAD;
+  int font_text = MENU_INFO_FONT_TEXT;
+  int font_foot = MENU_INFO_FONT_FOOT;
+  int spacing_para = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
+  int spacing_line = menu.line_spacing[GAME_MODE_SCOREINFO];
+  int spacing_left = menu.left_spacing[GAME_MODE_SCOREINFO];
+  int spacing_top  = menu.top_spacing[GAME_MODE_SCOREINFO];
   int xstep = getFontWidth(font_text);
-  int ystep_title = getMenuTextStep(spacing_title, font_title);
-  int ystep_para  = getMenuTextStep(spacing_para,  font_text);
-  int ystep_line  = getMenuTextStep(spacing_line,  font_text);
-  int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
-  int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
+  int ystep_para = getMenuTextStep(spacing_para,  font_text);
+  int ystep_line = getMenuTextStep(spacing_line,  font_text);
+  int xstart  = mSX - SX + spacing_left;
+  int ystart  = mSY - SY + spacing_top + getHeadlineSpacing();
   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
   int xstart1 = xstart + xstep;
   int xstart2 = xstart + xstep * 12;
@@ -5403,7 +5513,7 @@ static void DrawScoreInfo_Content(int entry_nr)
   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
   int font_width = getFontWidth(font_text);
   int font_height = getFontHeight(font_text);
-  int tape_date_width  = getTextWidth(tape_date, font_text);
+  int tape_date_width = getTextWidth(tape_date, font_text);
   int pad_left = xstart2;
   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
@@ -5415,19 +5525,9 @@ static void DrawScoreInfo_Content(int entry_nr)
   // redraw level selection buttons (which have just been erased)
   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
 
-  if (score_entries == NULL)
-  {
-    drawChooseTreeScreen_Scores_NotAvailable();
-
-    return;
-  }
-
   drawChooseTreeHead(score_entries);
   drawChooseTreeInfo(score_entries);
 
-  DrawTextSCentered(ystart, font_title, "Score Information:");
-  ystart += ystep_title;
-
   DrawTextF(xstart1, ystart, font_head, "Level Set");
   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
                          max_chars_per_line, -1, max_lines_per_text, 0, -1,
@@ -9562,6 +9662,14 @@ static struct
     GD_EVENT_RELEASED,
     FALSE, "play solution tape"
   },
+  {
+    IMG_MENU_BUTTON_LEVELSET_INFO, IMG_MENU_BUTTON_LEVELSET_INFO_ACTIVE,
+    &menu.main.button.levelset_info, NULL,
+    SCREEN_CTRL_ID_LEVELSET_INFO,
+    SCREEN_MASK_MAIN_HAS_SET_INFO,
+    GD_EVENT_RELEASED,
+    FALSE, "show level set info"
+  },
   {
     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
@@ -9754,6 +9862,27 @@ static void CreateScreenMenubuttons(void)
             id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
     }
 
+    if (id == SCREEN_CTRL_ID_LEVELSET_INFO)
+    {
+      if (pos->x == -1 && pos->y == -1)
+      {
+       // use "SX" here to place button (ignore draw offsets)
+       x = SX + SXSIZE - 2 * TILESIZE;
+       y = SY + SYSIZE - 2 * TILESIZE;
+
+       // special compatibility handling for "BD2K3" graphics set
+       if (strPrefix(leveldir_current->identifier, "BD2K3"))
+         x = SX + TILESIZE + MINI_TILESIZE;
+
+       // special compatibility handling for "jue0" graphics set
+       if (strPrefix(artwork.gfx_current_identifier, "jue0"))
+       {
+         x = SX + SXSIZE - 4 * TILESIZE;
+         y = SY + SYSIZE - 3 * TILESIZE;
+       }
+      }
+    }
+
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
                      GDI_IMAGE_ID, gfx_unpressed,
@@ -10170,6 +10299,10 @@ static void HandleScreenGadgets(struct GadgetInfo *gi)
       PlaySolutionTape();
       break;
 
+    case SCREEN_CTRL_ID_LEVELSET_INFO:
+      DrawInfoScreen_FromMainMenu(INFO_MODE_LEVELSET);
+      break;
+
     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
       DrawMainMenu();