fix FS#7288 - pad the title of the scrolling settings so they actually scroll

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15469 a1c6a512-1295-4272-9138-f99709370657

apps/menu.c

@@ -282,10 +282,34 @@ bool do_setting_from_menu(const struct menu_item_ex *temp)
                                                temp->variable,
                                                &setting_id);
     char *title;
+    char padded_title[MAX_PATH];
     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
         title = temp->callback_and_desc->desc;
     else
         title = ID2P(setting->lang_id);
+    
+    /* this is needed so the scroll settings title
+       can actually be used to test the setting */
+    if (setting->flags&F_PADTITLE)
+    {
+        int i = 0, len;
+        if (setting->lang_id == -1)
+            title = (char*)setting->cfg_vals;
+        else
+            title = P2STR((unsigned char*)title);
+        len = strlen(title);
+        while (i<MAX_PATH)
+        {
+            strncpy(&padded_title[i], title, 
+                    len<MAX_PATH-1-i?len:MAX_PATH-1-i);
+            i += len;
+            if (i<MAX_PATH-1)
+                padded_title[i++] = ' ';
+        }
+        padded_title[i] = '\0';
+        title = padded_title;
+    }
+    
     option_screen((struct settings_list *)setting, 
                   setting->flags&F_TEMPVAR, title);
     return false;

apps/settings_list.c

@@ -586,9 +586,9 @@ const struct settings_list settings[] = {
         TALK_ID(1, UNIT_SEC), TALK_ID(2, UNIT_SEC), 
         TALK_ID(3, UNIT_SEC), TALK_ID(5, UNIT_SEC), TALK_ID(10, UNIT_SEC)),
 #endif
-    INT_SETTING(0, scroll_speed, LANG_SCROLL_SPEED, 9,"scroll speed",                      
+    INT_SETTING(F_PADTITLE, scroll_speed, LANG_SCROLL_SPEED, 9,"scroll speed",                      
                 UNIT_INT, 0, 15, 1, NULL, NULL, lcd_scroll_speed),
-    INT_SETTING(0, scroll_delay, LANG_SCROLL_DELAY, 1000, "scroll delay",                      
+    INT_SETTING(F_PADTITLE, scroll_delay, LANG_SCROLL_DELAY, 1000, "scroll delay",                      
                 UNIT_MS, 0, 2500, 100, NULL,
                 NULL, lcd_scroll_delay) ,
     INT_SETTING(0, bidir_limit, LANG_BIDIR_SCROLL, 50, "bidir limit",                      
@@ -606,9 +606,9 @@ const struct settings_list settings[] = {
 #ifdef HAVE_LCD_BITMAP
     OFFON_SETTING(0, offset_out_of_view, LANG_SCREEN_SCROLL_VIEW,
                     false, "Screen Scrolls Out Of View", gui_list_screen_scroll_out_of_view),
-    INT_SETTING(0, scroll_step, LANG_SCROLL_STEP, 6, "scroll step",                      
+    INT_SETTING(F_PADTITLE, scroll_step, LANG_SCROLL_STEP, 6, "scroll step",                      
                     UNIT_PIXEL, 1, LCD_WIDTH, 1, NULL, NULL, lcd_scroll_step),
-    INT_SETTING(0, screen_scroll_step, LANG_SCREEN_SCROLL_STEP,
+    INT_SETTING(F_PADTITLE, screen_scroll_step, LANG_SCREEN_SCROLL_STEP,
                     16, "screen scroll step",                      
                     UNIT_PIXEL, 1, LCD_WIDTH, 1, NULL, NULL, gui_list_screen_scroll_step),
 #endif /* HAVE_LCD_BITMAP */

apps/settings_list.h

@@ -103,10 +103,11 @@ struct choice_setting {
 - a NVRAM setting is removed
 */
 #define F_TEMPVAR    0x0400 /* used if the setting should be set using a temp var */
+#define F_PADTITLE   0x800 /* pad the title with spaces to force it to scroll */
 #define F_NO_WRAP     0x1000 /* used if the list should not wrap */
 
 struct settings_list {
-    uint32_t             flags;   /* ____ ___R TFFF ____ NNN_ _TVC IFRB STTT */
+    uint32_t             flags;   /* ____ ___R TFFF ____ NNN_ PTVC IFRB STTT */
     void                *setting;
     int                  lang_id; /* -1 for none */
     union storage_type   default_val;