# st

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    commit d59f92d6f19a4a914ba99168fdc42d1783eee1ba
    parent b2db58c2a05168257ee4e4b941f0533c6dde2a10
    Author: Aurélien Aptel <aurelien.aptel@gmail.com>
    Date:   Wed,  8 Jun 2011 12:40:35 +0200

    reverse video mode. (thx Bert Münnich)

    Diffstat:
    Mst.c | 31+++++++++++++++++++++++--------
    Mst.info | 1+

    2 files changed, 24 insertions(+), 8 deletions(-)
    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;
     	}
    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,