2 files changed, 72 insertions, 68 deletions

diff --git a/config.def.h b/config.def.h
index a8f48ea..1ba6d8e 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,11 +1,19 @@
+/* See LICENSE file for copyright and license details. */
 
-#define FONT "Liberation Mono:pixelsize=12:antialias=false:autohint=false"
+/* appearance */
+static char font[] = "Liberation Mono:pixelsize=12:antialias=false:autohint=false";
+static unsigned int borderpx = 2;
+static char shell[] = "/bin/sh";
 
-/* Space in pixels around the terminal buffer */
-#define BORDER 2
+/* double-click timeout (in milliseconds) between clicks for selection */
+static unsigned int doubleclicktimeout = 300;
+static unsigned int tripleclicktimeout = 600;
+
+/* TERM value */
+static char termname[] = "st-256color";
+
+static unsigned int tabspaces = 8;
 
-/* Default shell to use if SHELL is not set in the env */
-#define SHELL "/bin/sh"
 
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
@@ -36,21 +44,26 @@ static const char *colorname[] = {
         "#333333",
 };
 
-/* Default colors (colorname index)
-   foreground, background, cursor, unfocused cursor */
-#define DefaultFG  7
-#define DefaultBG  0
-#define DefaultCS  256
-#define DefaultUCS 257
-
-/* Special keys (change & recompile st.info accordingly)
-   Keep in mind that kpress() in st.c hardcodes some keys.
-
-   Mask value:
-   * Use XK_ANY_MOD to match the key no matter modifiers state
-   * Use XK_NO_MOD to match the key alone (no modifiers)
 
-      key,        mask,  output */
+/*
+ * Default colors (colorname index)
+ * foreground, background, cursor, unfocused cursor
+ */
+static unsigned int defaultfg = 7;
+static unsigned int defaultbg = 0;
+static unsigned int defaultcs = 256;
+static unsigned int defaultucs = 257;
+
+/*
+ * Special keys (change & recompile st.info accordingly)
+ * Keep in mind that kpress() in st.c hardcodes some keys.
+ *
+ * Mask value:
+ * * Use XK_ANY_MOD to match the key no matter modifiers state
+ * * Use XK_NO_MOD to match the key alone (no modifiers)
+ */
+
+/* key, mask, output */
 static Key key[] = {
         { XK_BackSpace, XK_NO_MOD, "\177" },
         { XK_Insert,    XK_NO_MOD, "\033[2~" },
@@ -82,12 +95,3 @@ static Shortcut shortcuts[] = {
         { MODKEY|ShiftMask,     XK_Next,        xzoom,          {.i = -1} },
 };
 
-/* Set TERM to this */
-#define TNAME "st-256color"
-
-/* double-click timeout (in milliseconds) between clicks for selection */
-#define DOUBLECLICK_TIMEOUT 300
-#define TRIPLECLICK_TIMEOUT (2*DOUBLECLICK_TIMEOUT)
-
-#define TAB 8
-
diff --git a/st.c b/st.c
index c4ff67c..cdf1fdc 100644
--- a/st.c
+++ b/st.c
@@ -72,8 +72,8 @@
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) (term.mode & (flag))
 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
-#define X2COL(x) (((x) - BORDER)/xw.cw)
-#define Y2ROW(y) (((y) - BORDER)/xw.ch)
+#define X2COL(x) (((x) - borderpx)/xw.cw)
+#define Y2ROW(y) (((y) - borderpx)/xw.ch)
 
 #define VT102ID "\033[?6c"
 
@@ -803,13 +803,13 @@ brelease(XEvent *e) {
                         sel.bx = -1;
                         gettimeofday(&now, NULL);
 
-                        if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
+                        if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
                                 /* triple click on the line */
                                 sel.b.x = sel.bx = 0;
                                 sel.e.x = sel.ex = term.col;
                                 sel.b.y = sel.e.y = sel.ey;
                                 selcopy();
-                        } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
+                        } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
                                 /* double click to select word */
                                 sel.bx = sel.ex;
                                 while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
@@ -894,8 +894,8 @@ execsh(void) {
         signal(SIGTERM, SIG_DFL);
         signal(SIGALRM, SIG_DFL);
 
-        DEFAULT(envshell, SHELL);
-        putenv("TERM="TNAME);
+        DEFAULT(envshell, shell);
+        setenv("TERM", termname, 1);
         args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
         execvp(args[0], args);
         exit(EXIT_FAILURE);
@@ -1045,12 +1045,12 @@ treset(void) {
 
         term.c = (TCursor){{
                 .mode = ATTR_NULL,
-                .fg = DefaultFG,
-                .bg = DefaultBG
+                .fg = defaultfg,
+                .bg = defaultbg
         }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
 
         memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-        for(i = TAB; i < term.col; i += TAB)
+        for(i = tabspaces; i < term.col; i += tabspaces)
                 term.tabs[i] = 1;
         term.top = 0;
         term.bot = term.row - 1;
@@ -1310,8 +1310,8 @@ tsetattr(int *attr, int l) {
                 case 0:
                         term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
                                         | ATTR_ITALIC | ATTR_BLINK);
-                        term.c.attr.fg = DefaultFG;
-                        term.c.attr.bg = DefaultBG;
+                        term.c.attr.fg = defaultfg;
+                        term.c.attr.bg = defaultbg;
                         break;
                 case 1:
                         term.c.attr.mode |= ATTR_BOLD;
@@ -1361,7 +1361,7 @@ tsetattr(int *attr, int l) {
                         }
                         break;
                 case 39:
-                        term.c.attr.fg = DefaultFG;
+                        term.c.attr.fg = defaultfg;
                         break;
                 case 48:
                         if(i + 2 < l && attr[i + 1] == 5) {
@@ -1380,7 +1380,7 @@ tsetattr(int *attr, int l) {
                         }
                         break;
                 case 49:
-                        term.c.attr.bg = DefaultBG;
+                        term.c.attr.bg = defaultbg;
                         break;
                 default:
                         if(BETWEEN(attr[i], 30, 37)) {
@@ -2091,7 +2091,7 @@ tresize(int col, int row) {
                 memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
                 while(--bp > term.tabs && !*bp)
                         /* nothing */ ;
-                for(bp += TAB; bp < term.tabs + col; bp += TAB)
+                for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
                         *bp = 1;
         }
         /* update terminal size */
@@ -2107,8 +2107,8 @@ tresize(int col, int row) {
 
 void
 xresize(int col, int row) {
-        xw.tw = MAX(1, 2*BORDER + col * xw.cw);
-        xw.th = MAX(1, 2*BORDER + row * xw.ch);
+        xw.tw = MAX(1, 2*borderpx + col * xw.cw);
+        xw.th = MAX(1, 2*borderpx + row * xw.ch);
 
         XftDrawChange(xw.xft_draw, xw.buf);
 }
@@ -2154,9 +2154,9 @@ xloadcols(void) {
 void
 xtermclear(int col1, int row1, int col2, int row2) {
         XftDrawRect(xw.xft_draw,
-                        &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
-                        BORDER + col1 * xw.cw,
-                        BORDER + row1 * xw.ch,
+                        &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+                        borderpx + col1 * xw.cw,
+                        borderpx + row1 * xw.ch,
                         (col2-col1+1) * xw.cw,
                         (row2-row1+1) * xw.ch);
 }
@@ -2167,13 +2167,13 @@ xtermclear(int col1, int row1, int col2, int row2) {
 void
 xclear(int x1, int y1, int x2, int y2) {
         XftDrawRect(xw.xft_draw,
-                        &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+                        &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
                         x1, y1, x2-x1, y2-y1);
 }
 
 void
 xhints(void) {
-        XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
+        XClassHint class = {opt_class ? opt_class : termname, termname};
         XWMHints wm = {.flags = InputHint, .input = 1};
         XSizeHints *sizeh = NULL;
 
@@ -2184,8 +2184,8 @@ xhints(void) {
                 sizeh->width = xw.w;
                 sizeh->height_inc = xw.ch;
                 sizeh->width_inc = xw.cw;
-                sizeh->base_height = 2*BORDER;
-                sizeh->base_width = 2*BORDER;
+                sizeh->base_height = 2*borderpx;
+                sizeh->base_width = 2*borderpx;
         } else {
                 sizeh->flags = PMaxSize | PMinSize;
                 sizeh->min_width = sizeh->max_width = xw.fw;
@@ -2293,7 +2293,7 @@ xinit(void) {
         xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
         /* font */
-        usedfont = (opt_font == NULL)? FONT : opt_font;
+        usedfont = (opt_font == NULL)? font : opt_font;
         xloadfonts(usedfont, 0);
 
         /* colors */
@@ -2313,14 +2313,14 @@ xinit(void) {
                 xw.w = xw.fw;
         } else {
                 /* window - default size */
-                xw.h = 2*BORDER + term.row * xw.ch;
-                xw.w = 2*BORDER + term.col * xw.cw;
+                xw.h = 2*borderpx + term.row * xw.ch;
+                xw.w = 2*borderpx + term.col * xw.cw;
                 xw.fx = 0;
                 xw.fy = 0;
         }
 
-        attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
-        attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
+        attrs.background_pixel = dc.xft_col[defaultbg].pixel;
+        attrs.border_pixel = dc.xft_col[defaultbg].pixel;
         attrs.bit_gravity = NorthWestGravity;
         attrs.event_mask = FocusChangeMask | KeyPressMask
                 | ExposureMask | VisibilityChangeMask | StructureNotifyMask
@@ -2370,7 +2370,7 @@ xinit(void) {
 
 void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
-        int winx = BORDER + x * xw.cw, winy = BORDER + y * xw.ch,
+        int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
             width = charlen * xw.cw;
         Font *font = &dc.font;
         XGlyphInfo extents;
@@ -2407,8 +2407,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                 font = &dc.ibfont;
 
         if(IS_SET(MODE_REVERSE)) {
-                if(fg == &dc.xft_col[DefaultFG]) {
-                        fg = &dc.xft_col[DefaultBG];
+                if(fg == &dc.xft_col[defaultfg]) {
+                        fg = &dc.xft_col[defaultbg];
                 } else {
                         colfg.red = ~fg->color.red;
                         colfg.green = ~fg->color.green;
@@ -2418,8 +2418,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                         fg = &revfg;
                 }
 
-                if(bg == &dc.xft_col[DefaultBG]) {
-                        bg = &dc.xft_col[DefaultFG];
+                if(bg == &dc.xft_col[defaultbg]) {
+                        bg = &dc.xft_col[defaultfg];
                 } else {
                         colbg.red = ~bg->color.red;
                         colbg.green = ~bg->color.green;
@@ -2436,7 +2436,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 
         /* Intelligent cleaning up of the borders. */
         if(x == 0) {
-                xclear(0, (y == 0)? 0 : winy, BORDER,
+                xclear(0, (y == 0)? 0 : winy, borderpx,
                         winy + xw.ch + (y == term.row-1)? xw.h : 0);
         }
         if(x + charlen >= term.col-1) {
@@ -2444,7 +2444,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                         (y == term.row-1)? xw.h : (winy + xw.ch));
         }
         if(y == 0)
-                xclear(winx, 0, winx + width, BORDER);
+                xclear(winx, 0, winx + width, borderpx);
         if(y == term.row-1)
                 xclear(winx, winy + xw.ch, winx + width, xw.h);
 
@@ -2462,7 +2462,7 @@ void
 xdrawcursor(void) {
         static int oldx = 0, oldy = 0;
         int sl;
-        Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0};
+        Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
 
         LIMIT(oldx, 0, term.col-1);
         LIMIT(oldy, 0, term.row-1);
@@ -2482,10 +2482,10 @@ xdrawcursor(void) {
         /* draw the new one */
         if(!(term.c.state & CURSOR_HIDE)) {
                 if(!(xw.state & WIN_FOCUSED))
-                        g.bg = DefaultUCS;
+                        g.bg = defaultucs;
 
                 if(IS_SET(MODE_REVERSE))
-                        g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
+                        g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
 
                 sl = utf8size(g.c);
                 xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
@@ -2720,8 +2720,8 @@ cresize(int width, int height)
         if(height != 0)
                 xw.h = height;
 
-        col = (xw.w - 2*BORDER) / xw.cw;
-        row = (xw.h - 2*BORDER) / xw.ch;
+        col = (xw.w - 2*borderpx) / xw.cw;
+        row = (xw.h - 2*borderpx) / xw.ch;
         if(col == term.col && row == term.row)
                 return;