From 813b68c363112696ab7a5354c665448491a7da33 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Fri, 6 Oct 2017 18:09:04 +0200
Subject: [PATCH] added '.hide' suffix to default program config to hide (some)
 setup options

---
 src/files.c   | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/files.h   |  2 ++
 src/main.c    |  1 +
 src/main.h    |  1 +
 src/screens.c |  8 +++++++-
 5 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/src/files.c b/src/files.c
index 226f052a..8ccd97d9 100644
--- a/src/files.c
+++ b/src/files.c
@@ -8520,11 +8520,50 @@ static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
   si->editor_cascade.el_dynamic		= FALSE;
 }
 
+#define MAX_HIDE_SETUP_TOKEN_SIZE		20
+
+static char *getHideSetupToken(void *setup_value)
+{
+  static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
+
+  if (setup_value != NULL)
+    snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
+
+  return hide_setup_token;
+}
+
+static void setHideSetupEntry(void *setup_value_raw)
+{
+  /* !!! DIRTY WORKAROUND; TO BE FIXED AFTER THE MM ENGINE RELEASE !!! */
+  void *setup_value = setup_value_raw - (void *)&si + (void *)&setup;
+
+  char *hide_setup_token = getHideSetupToken(setup_value);
+
+  if (setup_value != NULL)
+    setHashEntry(hide_setup_hash, hide_setup_token, "");
+}
+
+boolean hideSetupEntry(void *setup_value)
+{
+  char *hide_setup_token = getHideSetupToken(setup_value);
+
+  return (setup_value != NULL &&
+	  getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
+}
+
 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
 				      struct TokenInfo *token_info,
 				      int token_nr, char *token_text)
 {
+  char *token_hide_text = getStringCat2(token_text, ".hide");
+  char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
+
+  /* set the value of this setup option in the setup option structure */
   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
+
+  /* check if this setup option should be hidden in the setup menu */
+  if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
+    setHideSetupEntry(token_info[token_nr].value);
 }
 
 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
@@ -8542,6 +8581,9 @@ static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
   if (!setup_file_hash)
     return;
 
+  if (hide_setup_hash == NULL)
+    hide_setup_hash = newSetupFileHash();
+
   /* global setup */
   si = setup;
   for (i = 0; i < NUM_GLOBAL_SETUP_TOKENS; i++)
diff --git a/src/files.h b/src/files.h
index 1db49886..f12faca9 100644
--- a/src/files.h
+++ b/src/files.h
@@ -65,6 +65,8 @@ void SaveSetup_EditorCascade();
 
 void SaveSetup_AddGameControllerMapping(char *);
 
+boolean hideSetupEntry(void *);
+
 void LoadCustomElementDescriptions();
 void InitMenuDesignSettings_Static();
 void LoadMenuDesignSettings();
diff --git a/src/main.c b/src/main.c
index 690296dd..200b954c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -183,6 +183,7 @@ SetupFileHash	       *image_config_hash = NULL;
 SetupFileHash	       *element_token_hash = NULL;
 SetupFileHash	       *graphic_token_hash = NULL;
 SetupFileHash	       *font_token_hash = NULL;
+SetupFileHash	       *hide_setup_hash = NULL;
 
 
 /* ------------------------------------------------------------------------- */
diff --git a/src/main.h b/src/main.h
index 217ea876..9545b705 100644
--- a/src/main.h
+++ b/src/main.h
@@ -3180,6 +3180,7 @@ extern SetupFileHash	       *image_config_hash;
 extern SetupFileHash	       *element_token_hash;
 extern SetupFileHash	       *graphic_token_hash;
 extern SetupFileHash	       *font_token_hash;
+extern SetupFileHash	       *hide_setup_hash;
 extern struct ConfigTypeInfo	image_config_suffix[];
 extern struct ConfigTypeInfo	sound_config_suffix[];
 extern struct ConfigTypeInfo	music_config_suffix[];
diff --git a/src/screens.c b/src/screens.c
index af53b7f8..52ec5b4b 100644
--- a/src/screens.c
+++ b/src/screens.c
@@ -2138,6 +2138,10 @@ static void drawMenuInfoList(int first_entry, int num_page_entries,
 	(value_ptr == &scaling_type_text  && !video.window_scaling_available))
       si->type |= TYPE_GHOSTED;
 
+    /* set some entries to "unchangeable" that should be hidden */
+    if (hideSetupEntry(value_ptr))
+      si->type |= TYPE_GHOSTED;
+
     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
@@ -5631,7 +5635,9 @@ static Key getSetupKey()
 
 static int getSetupValueFont(int type, void *value)
 {
-  if (type & TYPE_KEY)
+  if (type & TYPE_GHOSTED)
+    return FONT_OPTION_OFF;
+  else if (type & TYPE_KEY)
     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
   else if (type & TYPE_STRING)
     return FONT_VALUE_2;
-- 
2.34.1