Move common code to xloadcolor

1 files changed, 29 insertions, 53 deletions

diff --git a/st.c b/st.c
index 7f08748..0204b2e 100644
--- a/st.c
+++ b/st.c
@@ -2898,10 +2898,31 @@ sixd_to_16bit(int x) {
         return x == 0 ? 0 : 0x3737 + 0x2828 * x;
 }
 
+bool
+xloadcolor(int i, const char *name, Color *ncolor) {
+        XRenderColor color = { .alpha = 0xffff };
+
+        if(!name) {
+                if(BETWEEN(i, 16, 255)) { /* 256 color */
+                        if(i < 6*6*6+16) { /* same colors as xterm */
+                                color.red   = sixd_to_16bit( ((i-16)/36)%6 );
+                                color.green = sixd_to_16bit( ((i-16)/6) %6 );
+                                color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
+                        } else { /* greyscale */
+                                color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
+                                color.green = color.blue = color.red;
+                        }
+                        return XftColorAllocValue(xw.dpy, xw.vis,
+                                                  xw.cmap, &color, ncolor);
+                } else
+                        name = colorname[i];
+        }
+        return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+}
+
 void
 xloadcols(void) {
         int i;
-        XRenderColor color = { .alpha = 0xffff };
         static bool loaded;
         Color *cp;
 
@@ -2910,70 +2931,25 @@ xloadcols(void) {
                         XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
         }
 
-        /* load colors [0-15] and [256-LEN(colorname)] (config.h) */
-        for(i = 0; i < LEN(dc.col); i++) {
-                if(!colorname[i])
-                        continue;
-                if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
-                        die("Could not allocate color '%s'\n", colorname[i]);
+        for(i = 0; i < LEN(dc.col); i++)
+                if(!xloadcolor(i, NULL, &dc.col[i])) {
+                        if(colorname[i])
+                                die("Could not allocate color '%s'\n", colorname[i]);
+                        else
+                                die("Could not allocate color %d\n", i);
                 }
-        }
-
-        /* load colors [16-231] ; same colors as xterm */
-        for(i = 16; i < 6*6*6+16; i++) {
-                color.red   = sixd_to_16bit( ((i-16)/36)%6 );
-                color.green = sixd_to_16bit( ((i-16)/6) %6 );
-                color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
-                if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
-                        die("Could not allocate color %d\n", i);
-        }
-
-        /* load colors [232-255] ; grayscale */
-        for(; i < 256; i++) {
-                color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
-                if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
-                        die("Could not allocate color %d\n", i);
-        }
         loaded = true;
 }
 
 int
 xsetcolorname(int x, const char *name) {
-        XRenderColor color = { .alpha = 0xffff };
         Color ncolor;
 
         if(!BETWEEN(x, 0, LEN(dc.col)))
                 return 1;
 
-        if(!name) {
-                if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
-                        color.red   = sixd_to_16bit( ((x-16)/36)%6 );
-                        color.green = sixd_to_16bit( ((x-16)/6) %6 );
-                        color.blue  = sixd_to_16bit( ((x-16)/1) %6 );
-                        if(!XftColorAllocValue(xw.dpy, xw.vis,
-                                                xw.cmap, &color, &ncolor)) {
-                                return 1;
-                        }
-
-                        XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-                        dc.col[x] = ncolor;
-                        return 0;
-                } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
-                        color.red = color.green = color.blue = \
-                                    0x0808 + 0x0a0a * (x - (16 + 216));
-                        if(!XftColorAllocValue(xw.dpy, xw.vis,
-                                                xw.cmap, &color, &ncolor)) {
-                                return 1;
-                        }
 
-                        XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-                        dc.col[x] = ncolor;
-                        return 0;
-                } else { /* system colors */
-                        name = colorname[x];
-                }
-        }
-        if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
+        if(!xloadcolor(x, name, &ncolor))
                 return 1;
 
         XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);