Author: Chris Noxz <chris@noxz.tech>

diff -up ../dwm-6.2/config.def.h ./config.def.h
--- ../dwm-6.2/config.def.h	2019-02-02 13:55:28.000000000 +0100
+++ ./config.def.h	2020-02-02 10:56:38.865583817 +0100
@@ -12,10 +12,27 @@ static const char col_gray2[]       = "#
 static const char col_gray3[]       = "#bbbbbb";
 static const char col_gray4[]       = "#eeeeee";
 static const char col_cyan[]        = "#005577";
-static const char *colors[][3]      = {
-	/*               fg         bg         border   */
-	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
-	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+static const char title_bg_dark[]   = "#303030";
+static const char title_bg_light[]  = "#fdfdfd";
+static const int color_ptrs[][3]    = {
+	/*                              fg         bg         border    */
+	[SchemeNorm]                = { -1,        -1,        5 },
+	[SchemeSel]                 = { -1,        -1,        11 },
+	[SchemeTagsNorm]            = { 2,         0,         0 },
+	[SchemeTagsSel]             = { 6,         5,         5 },
+	[SchemeTitleNorm]           = { 6,         -1,        -1 },
+	[SchemeTitleSel]            = { 6,         -1,        -1 },
+	[SchemeStatus]              = { 2,         0,         0 },
+};
+static char colors[][3][8]          = {
+	/*                              fg         bg         border    */
+	[SchemeNorm]                = { "#000000", "#000000", "#000000" },
+	[SchemeSel]                 = { "#000000", "#000000", "#000000" },
+	[SchemeTagsNorm]            = { "#000000", "#000000", "#000000" },
+	[SchemeTagsSel]             = { "#000000", "#000000", "#000000" },
+	[SchemeTitleNorm]           = { "#000000", "#000000", "#000000" },
+	[SchemeTitleSel]            = { "#000000", "#000000", "#000000" },
+	[SchemeStatus]              = { "#000000", "#000000", "#000000" },
 };
 
 /* tagging */
diff -up ../dwm-6.2/drw.c ./drw.c
--- ../dwm-6.2/drw.c	2019-02-02 13:55:28.000000000 +0100
+++ ./drw.c	2020-02-02 10:37:08.885745829 +0100
@@ -193,7 +193,7 @@ drw_fontset_free(Fnt *font)
 }
 
 void
-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
+drw_clr_create(Drw *drw, Clr *dest, const char clrname[])
 {
 	if (!drw || !dest || !clrname)
 		return;
@@ -207,7 +207,7 @@ drw_clr_create(Drw *drw, Clr *dest, cons
 /* Wrapper to create color schemes. The caller has to call free(3) on the
  * returned color scheme when done using it. */
 Clr *
-drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
+drw_scm_create(Drw *drw, char clrnames[][8], size_t clrcount)
 {
 	size_t i;
 	Clr *ret;
diff -up ../dwm-6.2/drw.h ./drw.h
--- ../dwm-6.2/drw.h	2019-02-02 13:55:28.000000000 +0100
+++ ./drw.h	2020-02-02 10:37:00.558746075 +0100
@@ -38,8 +38,8 @@ unsigned int drw_fontset_getwidth(Drw *d
 void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
 
 /* Colorscheme abstraction */
-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
-Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
+void drw_clr_create(Drw *drw, Clr *dest, const char clrname[]);
+Clr *drw_scm_create(Drw *drw, char clrnames[][8], size_t clrcount);
 
 /* Cursor abstraction */
 Cur *drw_cur_create(Drw *drw, int shape);
diff -up ../dwm-6.2/dwm.c ./dwm.c
--- ../dwm-6.2/dwm.c	2019-02-02 13:55:28.000000000 +0100
+++ ./dwm.c	2020-02-02 10:57:40.659581991 +0100
@@ -59,7 +59,7 @@
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { SchemeNorm, SchemeSel }; /* color schemes */
+enum { SchemeNorm, SchemeSel, SchemeTagsNorm, SchemeTagsSel, SchemeTitleNorm, SchemeTitleSel, SchemeStatus }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
@@ -201,6 +201,8 @@ static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
+static void get_vt_colors(void);
+static int get_luminance(char *rgb);
 static void setup(void);
 static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
@@ -703,7 +705,7 @@ drawbar(Monitor *m)
 
 	/* draw status first so it can be overdrawn by tags later */
 	if (m == selmon) { /* status is only drawn on selected monitor */
-		drw_setscheme(drw, scheme[SchemeNorm]);
+		drw_setscheme(drw, scheme[SchemeStatus]);
 		sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
 		drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0);
 	}
@@ -716,7 +718,7 @@ drawbar(Monitor *m)
 	x = 0;
 	for (i = 0; i < LENGTH(tags); i++) {
 		w = TEXTW(tags[i]);
-		drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
+		drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeTagsSel : SchemeTagsNorm]);
 		drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
 		if (occ & 1 << i)
 			drw_rect(drw, x + boxs, boxs, boxw, boxw,
@@ -725,17 +727,17 @@ drawbar(Monitor *m)
 		x += w;
 	}
 	w = blw = TEXTW(m->ltsymbol);
-	drw_setscheme(drw, scheme[SchemeNorm]);
+	drw_setscheme(drw, scheme[SchemeTagsNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
 	if ((w = m->ww - sw - x) > bh) {
 		if (m->sel) {
-			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
+			drw_setscheme(drw, scheme[m == selmon ? SchemeTitleSel : SchemeTitleNorm]);
 			drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
 			if (m->sel->isfloating)
 				drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
 		} else {
-			drw_setscheme(drw, scheme[SchemeNorm]);
+			drw_setscheme(drw, scheme[SchemeTitleNorm]);
 			drw_rect(drw, x, 0, w, bh, 1, 1);
 		}
 	}
@@ -1527,6 +1529,72 @@ setmfact(const Arg *arg)
 }
 
 void
+get_vt_colors(void)
+{
+	char *cfs[3] = {
+		"/sys/module/vt/parameters/default_red",
+		"/sys/module/vt/parameters/default_grn",
+		"/sys/module/vt/parameters/default_blu",
+	};
+	char vtcs[16][8];
+	char tk[] = ",";
+	char cl[64];
+	char *tp = NULL;
+	FILE *fp;
+	size_t r;
+	int i, c, n;
+
+	for (i = 0; i < 16; i++)
+		strcpy(vtcs[i], "#000000");
+
+	for (i = 0, r = 0; i < 3; i++) {
+		if ((fp = fopen(cfs[i], "r")) == NULL)
+			continue;
+		while ((cl[r] = fgetc(fp)) != EOF && cl[r] != '\n')
+			r++;
+		cl[r] = '\0';
+		for (c = 0, tp = cl, n = 0; c < 16; c++, tp++) {
+			if ((r = strcspn(tp, tk)) == -1)
+				break;
+			for (n = 0; r && *tp >= 48 && *tp < 58; r--, tp++)
+				n = n * 10 - 48 + *tp;
+			vtcs[c][i * 2 + 1] = n / 16 < 10 ? n / 16 + 48 : n / 16 + 87;
+			vtcs[c][i * 2 + 2] = n % 16 < 10 ? n % 16 + 48 : n % 16 + 87;
+		}
+		fclose(fp);
+	}
+	for (i = 0; i < LENGTH(colors); i++) {
+		for (c = 0; c < 3; c++) {
+			n = color_ptrs[i][c];
+			if (n > -1 && strlen(colors[i][c]) >= strlen(vtcs[n]))
+				memcpy(colors[i][c], vtcs[n], 7);
+		}
+	}
+}
+
+int get_luminance(char *r)
+{
+	char *c = r;
+	int n[3] = {0};
+	int i = 0;
+
+	while (*c) {
+		if (*c >= 48 && *c < 58)
+			n[i / 2] = n[i / 2] * 16 - 48 + *c;
+		else if (*c >= 65 && *c < 71)
+			n[i / 2] = n[i / 2] * 16 - 55 + *c;
+		else if (*c >= 97 && *c < 103)
+			n[i / 2] = n[i / 2] * 16 - 87 + *c;
+		else
+			i--;
+		i++;
+		c++;
+	}
+
+	return (0.299 * n[0] + 0.587 * n[1] + 0.114 * n[2]) / 2.55;
+}
+
+void
 setup(void)
 {
 	int i;
@@ -1567,6 +1635,14 @@ setup(void)
 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
 	cursor[CurMove] = drw_cur_create(drw, XC_fleur);
 	/* init appearance */
+	get_vt_colors();
+	if (get_luminance(colors[SchemeTagsNorm][ColBg]) > 50) {
+		strcpy(colors[SchemeTitleNorm][ColBg], title_bg_light);
+		strcpy(colors[SchemeTitleSel][ColBg], title_bg_light);
+	} else {
+		strcpy(colors[SchemeTitleNorm][ColBg], title_bg_dark);
+		strcpy(colors[SchemeTitleSel][ColBg], title_bg_dark);
+	}
 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
 	for (i = 0; i < LENGTH(colors); i++)
 		scheme[i] = drw_scm_create(drw, colors[i], 3);
Only in ./: dwm-vtcolors-6.2.diff
Only in ./: .git
Only in ./: .gitignore