Add strikethrough highlight method.

configure.ac

@@ -101,6 +101,7 @@ AC_CHECK_FUNC([fcntl],,    AC_MSG_ERROR("Could not find fcntl"))
 AC_CHECK_FUNC([setlocale],,AC_MSG_ERROR("Could not find setlocale"))
 AC_CHECK_FUNC([atexit],,   AC_MSG_ERROR("Could not find atexit in c library"))
 AC_CHECK_FUNC([glob],,     AC_MSG_ERROR("Could not find glob in c library"))
+AC_CHECK_FUNC([toupper],,  AC_MSG_ERROR("Could not find toupper in c library"))
 
 AC_CHECK_HEADER([math.h],, AC_MSG_ERROR("Could not find math.h header file"))
 AC_SEARCH_LIBS([floor],[m],,      AC_MSG_ERROR("Could not find floor in math library"))
@@ -122,6 +123,9 @@ PKG_CHECK_MODULES([pango],    [pango pangocairo])
 PKG_CHECK_MODULES([cairo],	  [cairo cairo-xcb])
 PKG_CHECK_MODULES([libsn],    [libstartup-notification-1.0 ])
 
+dnl ---------------------------------------------------------------------
+dnl check - Unit testing.
+dnl ---------------------------------------------------------------------
 AC_ARG_ENABLE([check], AS_HELP_STRING([--disable-check], [Build with checks using check library (default: enabled)]))
 
 AS_IF([test "x${enable_check}" != "xno"], [ PKG_CHECK_MODULES([check],[check >= 0.11.0], [HAVE_CHECK=1]) ])

doc/rofi-theme-manpage.markdown

@@ -282,6 +282,7 @@ For example:
 ```
 background: #FF0000;
 foreground: rgba(0,0,1, 0.5);
+text: SeaGreen;
 ```
 
 ## Text style

doc/rofi-theme.5

@@ -429,6 +429,7 @@ For example:
 
 background: #FF0000;
 foreground: rgba(0,0,1, 0\.5);
+text: SeaGreen;
 .
 .fi
 .

include/theme.h

@@ -42,6 +42,8 @@ typedef enum
     HL_BOLD      = 1,
     /** underline */
     HL_UNDERLINE = 2,
+    /** strikethrough */
+    HL_STRIKETHROUGH = 16,
     /** italic */
     HL_ITALIC    = 4,
     /** color */

lexer/theme-lexer.l

@@ -188,6 +188,7 @@ NONE       "none"
 BOLD          "bold"
 UNDERLINE     "underline"
 ITALIC        "italic"
+STRIKETHROUGH "strikethrough"
 
 /* ANGLES */
 
@@ -445,7 +446,7 @@ if ( queue == NULL ){
 <PROPERTIES>{CMYK}             { return T_COL_CMYK;       }
  /* Fluff */
 <PROPERTIES>{S_T_PARENT_LEFT}  { return T_PARENT_LEFT;    }
-<PROPERTIES>{S_T_PARENT_RIGHT} { return T_PARENT_RIGHT;}
+<PROPERTIES>{S_T_PARENT_RIGHT} { return T_PARENT_RIGHT;   }
 <PROPERTIES>{COMMA}            { return T_COMMA;          }
 <PROPERTIES>{FORWARD_SLASH}    { return T_FORWARD_SLASH;  }
  /* Position */
@@ -459,6 +460,7 @@ if ( queue == NULL ){
 <PROPERTIES>{BOLD}             { return T_BOLD;           }
 <PROPERTIES>{ITALIC}           { return T_ITALIC;         }
 <PROPERTIES>{UNDERLINE}        { return T_UNDERLINE;      }
+<PROPERTIES>{STRIKETHROUGH}    { return T_STRIKETHROUGH;  }
 
 <PROPERTIES>{ANGLE_DEG}        { return T_ANGLE_DEG;      }
 <PROPERTIES>{ANGLE_RAD}        { return T_ANGLE_RAD;      }

lexer/theme-parser.y

@@ -173,6 +173,7 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b)
 %token T_BOLD                           "Bold"
 %token T_ITALIC                         "Italic"
 %token T_UNDERLINE                      "Underline"
+%token T_STRIKETHROUGH                  "Strikethrough"
 %token T_DASH                           "Dash"
 %token T_SOLID                          "Solid"
 
@@ -397,6 +398,7 @@ t_property_highlight_style
 : T_NONE          { $$ = HL_NONE; }
 | T_BOLD          { $$ = HL_BOLD; }
 | T_UNDERLINE     { $$ = HL_UNDERLINE; }
+| T_STRIKETHROUGH { $$ = HL_STRIKETHROUGH; }
 | T_ITALIC        { $$ = HL_ITALIC; }
 ;
 

source/helper.c

@@ -423,6 +423,12 @@ PangoAttrList *helper_token_match_get_pango_attr ( ThemeHighlight th, GRegex **t
                         pa->end_index   = end;
                         pango_attr_list_insert ( retv, pa );
                     }
+                    if ( th.style & HL_STRIKETHROUGH ) {
+                        PangoAttribute *pa = pango_attr_strikethrough_new ( TRUE );
+                        pa->start_index = start;
+                        pa->end_index   = end;
+                        pango_attr_list_insert ( retv, pa );
+                    }
                     if ( th.style & HL_ITALIC ) {
                         PangoAttribute *pa = pango_attr_style_new ( PANGO_STYLE_ITALIC );
                         pa->start_index = start;

source/theme.c

@@ -169,6 +169,9 @@ static void rofi_theme_print_property_index ( size_t pnl, int depth, Property *p
         if ( p->value.highlight.style & HL_UNDERLINE ) {
             printf ( "underline " );
         }
+        if ( p->value.highlight.style & HL_STRIKETHROUGH ) {
+            printf ( "strikethrough " );
+        }
         if ( p->value.highlight.style & HL_ITALIC ) {
             printf ( "italic " );
         }