Remove ATTR_GFX and tselcs - st - Personal fork of st
 (HTM) git clone git://git.drkhsh.at/st.git
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       ---
 (DIR) commit 1629363f2d009a0c0d61209e4126ff09fa0e11a4
 (DIR) parent 6b315558f8095b91988d5b305ed06e082da48889
 (HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
       Date:   Tue, 29 Apr 2014 08:58:10 +0200
       
       Remove ATTR_GFX and tselcs
       
       ATTR_GFX was used long time ago to detect when terminal was in
       graphic mode. Today graphic mode is implemented using a charset
       pointer, so ATTR_GFX is not needed anymore because graphic
       condition can be detected directly checking if current charset
       is GRAPHICS C0.
       
       Diffstat:
         M st.c                                |      30 ++++++++----------------------
       
       1 file changed, 8 insertions(+), 22 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       @@ -94,12 +94,11 @@ enum glyph_attribute {
                ATTR_REVERSE   = 1,
                ATTR_UNDERLINE = 2,
                ATTR_BOLD      = 4,
       -        ATTR_GFX       = 8,
       -        ATTR_ITALIC    = 16,
       -        ATTR_BLINK     = 32,
       -        ATTR_WRAP      = 64,
       -        ATTR_WIDE      = 128,
       -        ATTR_WDUMMY    = 256,
       +        ATTR_ITALIC    = 8,
       +        ATTR_BLINK     = 16,
       +        ATTR_WRAP      = 32,
       +        ATTR_WIDE      = 64,
       +        ATTR_WDUMMY    = 128,
        };
        
        enum cursor_movement {
       @@ -396,7 +395,6 @@ static void techo(char *, int);
        static bool tcontrolcode(uchar );
        static void tdectest(char );
        static int32_t tdefcolor(int *, int *, int);
       -static void tselcs(void);
        static void tdeftran(char);
        static inline bool match(uint, uint);
        static void ttynew(void);
       @@ -1535,7 +1533,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
                /*
                 * The table is proudly stolen from rxvt.
                 */
       -        if(attr->mode & ATTR_GFX) {
       +        if(term.trantbl[term.charset] == CS_GRAPHIC0) {
                        if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
                                c = vt100_0[c[0] - 0x41];
                        }
       @@ -2317,9 +2315,7 @@ void
        tdeftran(char ascii) {
                char c, (*bp)[2];
                static char tbl[][2] = {
       -                {'0', CS_GRAPHIC0}, {'1', CS_GRAPHIC1}, {'A', CS_UK},
       -                {'B', CS_USA},      {'<', CS_MULTI},    {'K', CS_GER},
       -                {'5', CS_FIN},      {'C', CS_FIN},
       +                {'0', CS_GRAPHIC0}, {'B', CS_USA},
                        {0, 0}
                };
        
       @@ -2332,13 +2328,6 @@ tdeftran(char ascii) {
                        term.trantbl[term.icharset] = (*bp)[1];
        }
        
       -void
       -tselcs(void) {
       -        MODBIT(term.c.attr.mode,
       -               term.trantbl[term.charset] == CS_GRAPHIC0,
       -               ATTR_GFX);
       -}
       -
        bool
        tcontrolcode(uchar ascii) {
                static char question[UTF_SIZ] = "?";
       @@ -2377,11 +2366,9 @@ tcontrolcode(uchar ascii) {
                        return 1;
                case '\016': /* SO */
                        term.charset = 0;
       -                tselcs();
                        break;
                case '\017': /* SI */
                        term.charset = 1;
       -                tselcs();
                        break;
                case '\032': /* SUB */
                        tsetchar(question, &term.c.attr, term.c.x, term.c.y);
       @@ -2506,7 +2493,6 @@ tputc(char *c, int len) {
                                return;
                        } else if(term.esc & ESC_ALTCHARSET) {
                                tdeftran(ascii);
       -                        tselcs();
                        } else if(term.esc & ESC_TEST) {
                                tdectest(ascii);
                        } else {
       @@ -2593,7 +2579,7 @@ tputc(char *c, int len) {
                /*
                 * Display control codes only if we are in graphic mode
                 */
       -        if(control && !(term.c.attr.mode & ATTR_GFX))
       +        if(control && term.trantbl[term.charset] != CS_GRAPHIC0)
                        return;
                if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
                        selclear(NULL);