reverse video mode. (thx Bert Münnich) - st - Personal fork of st
 (HTM) git clone git://git.drkhsh.at/st.git
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       ---
 (DIR) commit d59f92d6f19a4a914ba99168fdc42d1783eee1ba
 (DIR) parent b2db58c2a05168257ee4e4b941f0533c6dde2a10
 (HTM) Author: Aurélien Aptel <aurelien.aptel@gmail.com>
       Date:   Wed,  8 Jun 2011 12:40:35 +0200
       
       reverse video mode. (thx Bert Münnich)
       
       Diffstat:
         M st.c                                |      31 +++++++++++++++++++++++--------
         M st.info                             |       1 +
       
       2 files changed, 24 insertions(+), 8 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       @@ -64,7 +64,7 @@ enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT,
        enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
        enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
        enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
       -       MODE_CRLF=16, MODE_MOUSE=32 };
       +       MODE_CRLF=16, MODE_MOUSE=32, MODE_REVERSE=64 };
        enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
        enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
        
       @@ -1103,7 +1103,11 @@ csihandle(void) {
                                case 1:
                                        term.mode &= ~MODE_APPKEYPAD;
                                        break;
       -                        case 5: /* TODO: DECSCNM -- Remove reverse video */
       +                        case 5: /* DECSCNM -- Remove reverse video */
       +                                if(IS_SET(MODE_REVERSE)) {
       +                                        term.mode &= ~MODE_REVERSE;
       +                                        draw();
       +                                }
                                        break;
                                case 7:
                                        term.mode &= ~MODE_WRAP;
       @@ -1167,7 +1171,10 @@ csihandle(void) {
                                        term.mode |= MODE_APPKEYPAD;
                                        break;
                                case 5: /* DECSCNM -- Reverve video */
       -                                /* TODO: set REVERSE on the whole screen (f) */
       +                                if(!IS_SET(MODE_REVERSE)) {
       +                                        term.mode |= MODE_REVERSE;
       +                                        draw();
       +                                }
                                        break;
                                case 7:
                                        term.mode |= MODE_WRAP;
       @@ -1508,7 +1515,7 @@ xloadcols(void) {
        
        void
        xclear(int x1, int y1, int x2, int y2) {
       -        XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]);
       +        XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]);
                XFillRectangle(xw.dpy, xw.buf, dc.gc,
                               x1 * xw.cw, y1 * xw.ch,
                               (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
       @@ -1640,14 +1647,20 @@ xinit(void) {
        
        void
        xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
       -        unsigned long xfg, xbg;
       +        unsigned long xfg = dc.col[base.fg], xbg = dc.col[base.bg], temp;
                int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
                int i;
       +        
       +        /* only switch default fg/bg if term is in RV mode */
       +        if(IS_SET(MODE_REVERSE)) {
       +                if(base.fg == DefaultFG)
       +                        xfg = dc.col[DefaultBG];
       +                if(base.bg == DefaultBG)
       +                        xbg = dc.col[DefaultFG];
       +        }
        
                if(base.mode & ATTR_REVERSE)
       -                xfg = dc.col[base.bg], xbg = dc.col[base.fg];
       -        else
       -                xfg = dc.col[base.fg], xbg = dc.col[base.bg];
       +                temp = xfg, xfg = xbg, xbg = temp;
        
                XSetBackground(xw.dpy, dc.gc, xbg);
                XSetForeground(xw.dpy, dc.gc, xfg);
       @@ -1692,6 +1705,8 @@ xdrawcursor(void) {
                /* draw the new one */
                if(!(term.c.state & CURSOR_HIDE) && (xw.state & WIN_FOCUSED)) {
                        sl = utf8size(g.c);
       +                if(IS_SET(MODE_REVERSE))
       +                        g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
                        xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
                        oldx = term.c.x, oldy = term.c.y;
                }
 (DIR) diff --git a/st.info b/st.info
       @@ -33,6 +33,7 @@ st| simpleterm,
                ed=\E[J,
                el=\E[K,
                el1=\E[1K,
       +        flash=\E[?5h\E[?5l,
                fsl=^G,
                home=\E[H,
                hpa=\E[%i%p1%dG,