Ticket #3065: slang-2.2.4-italic.patch

src/slang.h

@@ -1595 +1595 @@
 #define SLTT_ULINE_MASK 0x04000000UL
 #define SLTT_REV_MASK   0x08000000UL
 #define SLTT_ALTC_MASK  0x10000000UL
+#define SLTT_ITALIC_MASK 0x20000000UL
 
 SL_EXTERN int SLtt_Screen_Rows;
 SL_EXTERN int SLtt_Screen_Cols;

src/slcurses.c

@@ -372 +372 @@
    SLtt_set_mono (SLCURSES_EXTRACT_COLOR(A_UNDERLINE), NULL, SLTT_ULINE_MASK);
    SLtt_set_mono (SLCURSES_EXTRACT_COLOR(A_REVERSE), NULL, SLTT_REV_MASK);
    /* SLtt_set_mono (SLCURSES_EXTRACT_COLOR(A_BLINK), NULL, SLTT_BLINK_MASK); */
+   /* SLtt_set_mono (SLCURSES_EXTRACT_COLOR(A_ITALIC), NULL, SLTT_ITALIC_MASK); */
    SLtt_set_mono ((SLCURSES_EXTRACT_COLOR(A_BOLD|A_UNDERLINE)), NULL, SLTT_ULINE_MASK|SLTT_BOLD_MASK);
    SLtt_set_mono ((SLCURSES_EXTRACT_COLOR(A_REVERSE|A_UNDERLINE)), NULL, SLTT_ULINE_MASK|SLTT_REV_MASK);
 

src/slcurses.h

@@ -286 +286 @@
 #define A_UNDERLINE     0x40000000UL    /* was 0x4000 */
 #define A_ALTCHARSET    0x80000000UL    /* was 0x8000 */
 #define A_BLINK         0x00000000UL
+#define A_ITALIC        0x00000000UL
 #define A_DIM           0x00000000UL
 #define A_PROTECT       0x00000000UL
 #define A_INVIS         0x00000000UL

src/sldisply.c

@@ -94 +94 @@
 #define CHAR_MASK       0x000000FF
 #define FG_MASK         0x0000FF00
 #define BG_MASK         0x00FF0000
-#define ATTR_MASK       0x1F000000
+#define ATTR_MASK       0x3F000000
 #define BGALL_MASK      0x0FFF0000
 
 /* The 0x10000000 bit represents the alternate character set.  BGALL_MASK does
@@ -192 +192 @@
 
 static SLCONST char *UnderLine_Vid_Str;
 static SLCONST char *Blink_Vid_Str;
+static SLCONST char *Italic_Vid_Str;
 static SLCONST char *Bold_Vid_Str;
 static SLCONST char *Ins_Mode_Str; /* = "\033[4h"; */   /* ins mode (im) */
 static SLCONST char *Eins_Mode_Str; /* = "\033[4l"; */  /* end ins mode (ei) */
@@ -1481 +1482 @@
         if (fgbg & SLTT_ULINE_MASK) tt_write_string (UnderLine_Vid_Str);
         if (fgbg & SLTT_BOLD_MASK) SLtt_bold_video ();
         if (fgbg & SLTT_REV_MASK) tt_write_string (Rev_Vid_Str);
+        if (fgbg & SLTT_ITALIC_MASK) tt_write_string (Italic_Vid_Str);
         if (fgbg & SLTT_BLINK_MASK)
           {
              /* Someday Linux will have a blink mode that set high intensity
@@ -2666 +2668 @@
 
    UnderLine_Vid_Str = tt_tgetstr("us");
 
+   Italic_Vid_Str = "\033[3m";
+
    Start_Alt_Chars_Str = tt_tgetstr ("as");   /* smacs */
    End_Alt_Chars_Str = tt_tgetstr ("ae");   /* rmacs */
    Enable_Alt_Char_Set = tt_tgetstr ("eA");   /* enacs */
@@ -2862 +2866 @@
    Bold_Vid_Str = "\033[1m";
    Blink_Vid_Str = "\033[5m";
    UnderLine_Vid_Str = "\033[4m";
+   Italic_Vid_Str = "\033[3m";
    Del_Eol_Str = "\033[K";
    Del_Bol_Str = "\033[1K";
    Rev_Scroll_Str = "\033M";