xresources

5 files changed, 194 insertions, 22 deletions

diff --git a/config.def.h b/config.def.h
index 4ad0b76..9a678ec 100644
--- a/config.def.h
+++ b/config.def.h
@@ -181,6 +181,42 @@ static unsigned int defaultattr = 11;
 static uint forcemousemod = ShiftMask;
 
 /*
+ * Xresources preferences to load at startup
+ */
+ResourcePref resources[] = {
+		{ "font",         STRING,  &font },
+		{ "color0",       STRING,  &colorname[0] },
+		{ "color1",       STRING,  &colorname[1] },
+		{ "color2",       STRING,  &colorname[2] },
+		{ "color3",       STRING,  &colorname[3] },
+		{ "color4",       STRING,  &colorname[4] },
+		{ "color5",       STRING,  &colorname[5] },
+		{ "color6",       STRING,  &colorname[6] },
+		{ "color7",       STRING,  &colorname[7] },
+		{ "color8",       STRING,  &colorname[8] },
+		{ "color9",       STRING,  &colorname[9] },
+		{ "color10",      STRING,  &colorname[10] },
+		{ "color11",      STRING,  &colorname[11] },
+		{ "color12",      STRING,  &colorname[12] },
+		{ "color13",      STRING,  &colorname[13] },
+		{ "color14",      STRING,  &colorname[14] },
+		{ "color15",      STRING,  &colorname[15] },
+		{ "background",   STRING,  &colorname[256] },
+		{ "foreground",   STRING,  &colorname[257] },
+		{ "cursorColor",  STRING,  &colorname[258] },
+		{ "termname",     STRING,  &termname },
+		{ "shell",        STRING,  &shell },
+		{ "minlatency",   INTEGER, &minlatency },
+		{ "maxlatency",   INTEGER, &maxlatency },
+		{ "blinktimeout", INTEGER, &blinktimeout },
+		{ "bellvolume",   INTEGER, &bellvolume },
+		{ "tabspaces",    INTEGER, &tabspaces },
+		{ "borderpx",     INTEGER, &borderpx },
+		{ "cwscale",      FLOAT,   &cwscale },
+		{ "chscale",      FLOAT,   &chscale },
+};
+
+/*
  * Internal mouse shortcuts.
  * Beware that overloading Button1 will disable the selection.
  */
diff --git a/config.def.h.orig b/config.def.h.orig
index 99156da..4ad0b76 100644
--- a/config.def.h.orig
+++ b/config.def.h.orig
@@ -138,13 +138,20 @@ unsigned int defaultcs = 256;
 static unsigned int defaultrcs = 257;
 
 /*
- * Default shape of cursor
- * 2: Block ("█")
- * 4: Underline ("_")
- * 6: Bar ("|")
- * 7: Snowman ("☃")
+ * https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
+ * Default style of cursor
+ * 0: blinking block
+ * 1: blinking block (default)
+ * 2: steady block ("█")
+ * 3: blinking underline
+ * 4: steady underline ("_")
+ * 5: blinking bar
+ * 6: steady bar ("|")
+ * 7: blinking st cursor
+ * 8: steady st cursor
  */
-static unsigned int cursorshape = 2;
+static unsigned int cursorstyle = 1;
+static Rune stcursor = 0x2603; /* snowman ("☃") */
 
 /*
  * Default columns and rows numbers
diff --git a/config.h b/config.h
index 4ad0b76..9a678ec 100644
--- a/config.h
+++ b/config.h
@@ -181,6 +181,42 @@ static unsigned int defaultattr = 11;
 static uint forcemousemod = ShiftMask;
 
 /*
+ * Xresources preferences to load at startup
+ */
+ResourcePref resources[] = {
+		{ "font",         STRING,  &font },
+		{ "color0",       STRING,  &colorname[0] },
+		{ "color1",       STRING,  &colorname[1] },
+		{ "color2",       STRING,  &colorname[2] },
+		{ "color3",       STRING,  &colorname[3] },
+		{ "color4",       STRING,  &colorname[4] },
+		{ "color5",       STRING,  &colorname[5] },
+		{ "color6",       STRING,  &colorname[6] },
+		{ "color7",       STRING,  &colorname[7] },
+		{ "color8",       STRING,  &colorname[8] },
+		{ "color9",       STRING,  &colorname[9] },
+		{ "color10",      STRING,  &colorname[10] },
+		{ "color11",      STRING,  &colorname[11] },
+		{ "color12",      STRING,  &colorname[12] },
+		{ "color13",      STRING,  &colorname[13] },
+		{ "color14",      STRING,  &colorname[14] },
+		{ "color15",      STRING,  &colorname[15] },
+		{ "background",   STRING,  &colorname[256] },
+		{ "foreground",   STRING,  &colorname[257] },
+		{ "cursorColor",  STRING,  &colorname[258] },
+		{ "termname",     STRING,  &termname },
+		{ "shell",        STRING,  &shell },
+		{ "minlatency",   INTEGER, &minlatency },
+		{ "maxlatency",   INTEGER, &maxlatency },
+		{ "blinktimeout", INTEGER, &blinktimeout },
+		{ "bellvolume",   INTEGER, &bellvolume },
+		{ "tabspaces",    INTEGER, &tabspaces },
+		{ "borderpx",     INTEGER, &borderpx },
+		{ "cwscale",      FLOAT,   &cwscale },
+		{ "chscale",      FLOAT,   &chscale },
+};
+
+/*
  * Internal mouse shortcuts.
  * Beware that overloading Button1 will disable the selection.
  */
diff --git a/x.c b/x.c
index f909106..b78c6bf 100644
--- a/x.c
+++ b/x.c
@@ -14,6 +14,7 @@
 #include <X11/keysym.h>
 #include <X11/Xft/Xft.h>
 #include <X11/XKBlib.h>
+#include <X11/Xresource.h>
 
 char *argv0;
 #include "arg.h"
@@ -46,6 +47,19 @@ typedef struct {
 	signed char appcursor; /* application cursor */
 } Key;
 
+/* Xresources preferences */
+enum resource_type {
+	STRING = 0,
+	INTEGER = 1,
+	FLOAT = 2
+};
+
+typedef struct {
+	char *name;
+	enum resource_type type;
+	void *dst;
+} ResourcePref;
+
 /* X modifiers */
 #define XK_ANY_MOD    UINT_MAX
 #define XK_NO_MOD     0
@@ -871,8 +885,8 @@ xclear(int x1, int y1, int x2, int y2)
 void
 xhints(void)
 {
-	XClassHint class = {opt_name ? opt_name : termname,
-	                    opt_class ? opt_class : termname};
+	XClassHint class = {opt_name ? opt_name : "st",
+	                    opt_class ? opt_class : "St"};
 	XWMHints wm = {.flags = InputHint, .input = 1};
 	XSizeHints *sizeh;
 
@@ -1149,8 +1163,6 @@ xinit(int cols, int rows)
 	XWindowAttributes attr;
 	XVisualInfo vis;
 
-	if (!(xw.dpy = XOpenDisplay(NULL)))
-		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
 
 	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
@@ -2056,6 +2068,59 @@ run(void)
 	}
 }
 
+int
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+	char **sdst = dst;
+	int *idst = dst;
+	float *fdst = dst;
+
+	char fullname[256];
+	char fullclass[256];
+	char *type;
+	XrmValue ret;
+
+	snprintf(fullname, sizeof(fullname), "%s.%s",
+			opt_name ? opt_name : "st", name);
+	snprintf(fullclass, sizeof(fullclass), "%s.%s",
+			opt_class ? opt_class : "St", name);
+	fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
+
+	XrmGetResource(db, fullname, fullclass, &type, &ret);
+	if (ret.addr == NULL || strncmp("String", type, 64))
+		return 1;
+
+	switch (rtype) {
+	case STRING:
+		*sdst = ret.addr;
+		break;
+	case INTEGER:
+		*idst = strtoul(ret.addr, NULL, 10);
+		break;
+	case FLOAT:
+		*fdst = strtof(ret.addr, NULL);
+		break;
+	}
+	return 0;
+}
+
+void
+config_init(void)
+{
+	char *resm;
+	XrmDatabase db;
+	ResourcePref *p;
+
+	XrmInitialize();
+	resm = XResourceManagerString(xw.dpy);
+	if (!resm)
+		return;
+
+	db = XrmGetStringDatabase(resm);
+	for (p = resources; p < resources + LEN(resources); p++)
+		resource_load(db, p->name, p->type, p->dst);
+}
+
 void
 usage(void)
 {
@@ -2132,6 +2197,11 @@ run:
 
 	setlocale(LC_CTYPE, "");
 	XSetLocaleModifiers("");
+
+	if(!(xw.dpy = XOpenDisplay(NULL)))
+		die("Can't open display\n");
+
+	config_init();
 	cols = MAX(cols, 1);
 	rows = MAX(rows, 1);
 	tnew(cols, rows);
diff --git a/x.c.orig b/x.c.orig
index a2b9362..f909106 100644
--- a/x.c.orig
+++ b/x.c.orig
@@ -256,6 +256,7 @@ static char *opt_name  = NULL;
 static char *opt_title = NULL;
 
 static uint buttons; /* bit field of pressed buttons */
+static int cursorblinks = 0;
 
 void
 clipcopy(const Arg *dummy)
@@ -1577,29 +1578,44 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 	/* draw the new one */
 	if (IS_SET(MODE_FOCUSED)) {
 		switch (win.cursor) {
-		case 7: /* st extension */
-			g.u = 0x2603; /* snowman (U+2603) */
+		default:
+		case 0: /* blinking block */
+		case 1: /* blinking block (default) */
+			if (IS_SET(MODE_BLINK))
+				break;
 			/* FALLTHROUGH */
-		case 0: /* Blinking Block */
-		case 1: /* Blinking Block (Default) */
-		case 2: /* Steady Block */
+		case 2: /* steady block */
 			xdrawglyph(g, cx, cy);
 			break;
-		case 3: /* Blinking Underline */
-		case 4: /* Steady Underline */
+		case 3: /* blinking underline */
+			if (IS_SET(MODE_BLINK))
+				break;
+			/* FALLTHROUGH */
+		case 4: /* steady underline */
 			XftDrawRect(xw.draw, &drawcol,
 					borderpx + cx * win.cw,
 					borderpx + (cy + 1) * win.ch - \
 						cursorthickness,
 					win.cw, cursorthickness);
 			break;
-		case 5: /* Blinking bar */
-		case 6: /* Steady bar */
+		case 5: /* blinking bar */
+			if (IS_SET(MODE_BLINK))
+				break;
+			/* FALLTHROUGH */
+		case 6: /* steady bar */
 			XftDrawRect(xw.draw, &drawcol,
 					borderpx + cx * win.cw,
 					borderpx + cy * win.ch,
 					cursorthickness, win.ch);
 			break;
+		case 7: /* blinking st cursor */
+			if (IS_SET(MODE_BLINK))
+				break;
+			/* FALLTHROUGH */
+		case 8: /* steady st cursor */
+			g.u = stcursor;
+			xdrawglyph(g, cx, cy);
+			break;
 		}
 	} else {
 		XftDrawRect(xw.draw, &drawcol,
@@ -1756,9 +1772,12 @@ xsetmode(int set, unsigned int flags)
 int
 xsetcursor(int cursor)
 {
-	if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
+	if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
 		return 1;
 	win.cursor = cursor;
+	cursorblinks = win.cursor == 0 || win.cursor == 1 ||
+	               win.cursor == 3 || win.cursor == 5 ||
+	               win.cursor == 7;
 	return 0;
 }
 
@@ -2005,6 +2024,10 @@ run(void)
 		if (FD_ISSET(ttyfd, &rfd) || xev) {
 			if (!drawing) {
 				trigger = now;
+				if (IS_SET(MODE_BLINK)) {
+					win.mode ^= MODE_BLINK;
+				}
+				lastblink = now;
 				drawing = 1;
 			}
 			timeout = (maxlatency - TIMEDIFF(now, trigger)) \
@@ -2015,7 +2038,7 @@ run(void)
 
 		/* idle detected or maxlatency exhausted -> draw */
 		timeout = -1;
-		if (blinktimeout && tattrset(ATTR_BLINK)) {
+		if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
 			timeout = blinktimeout - TIMEDIFF(now, lastblink);
 			if (timeout <= 0) {
 				if (-timeout > blinktimeout) /* start visible */
@@ -2051,7 +2074,7 @@ main(int argc, char *argv[])
 {
 	xw.l = xw.t = 0;
 	xw.isfixed = False;
-	xsetcursor(cursorshape);
+	xsetcursor(cursorstyle);
 
 	ARGBEGIN {
 	case 'a':