tDbe is not required anymore. - st - [fork] customized build of st, the simple terminal
 (HTM) git clone git://src.adamsgaard.dk/st
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       ---
 (DIR) commit 0e232a41150d67539df05e60c7e829f0bfb431d0
 (DIR) parent 3ce96aea8af566c88ed1e076d270b4d1abcf6e96
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Sat, 19 Jan 2013 09:13:52 +0100
       
       Dbe is not required anymore.
       
       Diffstat:
         M st.c                                |      22 +++++++++++++++-------
       
       1 file changed, 15 insertions(+), 7 deletions(-)
       ---
 (DIR) diff --git a/st.c b/st.c
       t@@ -203,7 +203,7 @@ typedef struct {
                Display *dpy;
                Colourmap cmap;
                Window win;
       -        XdbeBackBuffer buf;
       +        Drawable buf;
                Atom xembed, wmdeletewin;
                XIM xim;
                XIC xic;
       t@@ -414,6 +414,8 @@ static char *opt_embed = NULL;
        static char *opt_class = NULL;
        static char *opt_font = NULL;
        
       +bool usedbe = False;
       +
        static char *usedfont = NULL;
        static int usedfontsize = 0;
        
       t@@ -2500,7 +2502,8 @@ xinit(void) {
                        | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
                attrs.colormap = xw.cmap;
        
       -        parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
       +        parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
       +                        XRootWindow(xw.dpy, xw.scr);
                xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
                                xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
                                xw.vis,
       t@@ -2509,12 +2512,16 @@ xinit(void) {
                                &attrs);
        
                /* double buffering */
       -        if(!XdbeQueryExtension(xw.dpy, &major, &minor))
       -                die("Xdbe extension is not present\n");
       -        xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeBackground);
       +        if(XdbeQueryExtension(xw.dpy, &major, &minor)) {
       +                xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win,
       +                                XdbeBackground);
       +                usedbe = True;
       +        } else {
       +                xw.buf = xw.win;
       +        }
        
                /* Xft rendering context */
       -        xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
       +        xw.draw = XftDrawCreate(xw.dpy, xw.win, xw.vis, xw.cmap);
        
                /* input methods */
                if((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
       t@@ -2822,7 +2829,8 @@ draw(void) {
                XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
        
                drawregion(0, 0, term.col, term.row);
       -        XdbeSwapBuffers(xw.dpy, swpinfo, 1);
       +        if(usedbe)
       +                XdbeSwapBuffers(xw.dpy, swpinfo, 1);
        }
        
        void