added alpha patch

.gitignore

@@ -50,3 +50,5 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+st

config.def.h

@@ -8,12 +8,6 @@
 static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
 static int borderpx = 2;
 
-/* Spare fonts */
-static char *font2[] = {
-/*	"Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true", */
-/*	"Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */
-};
-
 /*
  * What program is execed by st depends of these precedence rules:
  * 1: program passed with -e
@@ -99,6 +93,9 @@ char *termname = "st-256color";
  */
 unsigned int tabspaces = 8;
 
+/* bg opacity */
+float alpha = 0.8;
+
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
 	/* 8 normal colors */

config.mk

@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config
 INCS = -I$(X11INC) \
        `$(PKG_CONFIG) --cflags fontconfig` \
        `$(PKG_CONFIG) --cflags freetype2`
-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
+LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
        `$(PKG_CONFIG) --libs fontconfig` \
        `$(PKG_CONFIG) --libs freetype2`
 

st-alpha-20220206-0.8.5.diff

@@ -0,0 +1,146 @@
+diff --git a/config.def.h b/config.def.h
+index 91ab8ca..6af616e 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -93,6 +93,9 @@ char *termname = "st-256color";
+  */
+ unsigned int tabspaces = 8;
+ 
++/* bg opacity */
++float alpha = 0.8;
++
+ /* Terminal colors (16 first used in escape sequence) */
+ static const char *colorname[] = {
+ 	/* 8 normal colors */
+diff --git a/config.mk b/config.mk
+index 4c4c5d5..0114bad 100644
+--- a/config.mk
++++ b/config.mk
+@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config
+ INCS = -I$(X11INC) \
+        `$(PKG_CONFIG) --cflags fontconfig` \
+        `$(PKG_CONFIG) --cflags freetype2`
+-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
++LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
+        `$(PKG_CONFIG) --libs fontconfig` \
+        `$(PKG_CONFIG) --libs freetype2`
+ 
+diff --git a/st.h b/st.h
+index 519b9bd..8bb533d 100644
+--- a/st.h
++++ b/st.h
+@@ -126,3 +126,4 @@ extern unsigned int tabspaces;
+ extern unsigned int defaultfg;
+ extern unsigned int defaultbg;
+ extern unsigned int defaultcs;
++extern float alpha;
+diff --git a/x.c b/x.c
+index 8a16faa..ddf4178 100644
+--- a/x.c
++++ b/x.c
+@@ -105,6 +105,7 @@ typedef struct {
+ 	XSetWindowAttributes attrs;
+ 	int scr;
+ 	int isfixed; /* is fixed geometry? */
++	int depth; /* bit depth */
+ 	int l, t; /* left and top offset */
+ 	int gm; /* geometry mask */
+ } XWindow;
+@@ -243,6 +244,7 @@ static char *usedfont = NULL;
+ static double usedfontsize = 0;
+ static double defaultfontsize = 0;
+ 
++static char *opt_alpha = NULL;
+ static char *opt_class = NULL;
+ static char **opt_cmd  = NULL;
+ static char *opt_embed = NULL;
+@@ -736,7 +738,7 @@ xresize(int col, int row)
+ 
+ 	XFreePixmap(xw.dpy, xw.buf);
+ 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+-			DefaultDepth(xw.dpy, xw.scr));
++			xw.depth);
+ 	XftDrawChange(xw.draw, xw.buf);
+ 	xclear(0, 0, win.w, win.h);
+ 
+@@ -796,6 +798,13 @@ xloadcols(void)
+ 			else
+ 				die("could not allocate color %d\n", i);
+ 		}
++
++	/* set alpha value of bg color */
++	if (opt_alpha)
++		alpha = strtof(opt_alpha, NULL);
++	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
++	dc.col[defaultbg].pixel &= 0x00FFFFFF;
++	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ 	loaded = 1;
+ }
+ 
+@@ -1118,11 +1127,23 @@ xinit(int cols, int rows)
+ 	Window parent;
+ 	pid_t thispid = getpid();
+ 	XColor xmousefg, xmousebg;
++	XWindowAttributes attr;
++	XVisualInfo vis;
+ 
+ 	if (!(xw.dpy = XOpenDisplay(NULL)))
+ 		die("can't open display\n");
+ 	xw.scr = XDefaultScreen(xw.dpy);
+-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
++
++	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
++		parent = XRootWindow(xw.dpy, xw.scr);
++		xw.depth = 32;
++	} else {
++		XGetWindowAttributes(xw.dpy, parent, &attr);
++		xw.depth = attr.depth;
++	}
++
++	XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
++	xw.vis = vis.visual;
+ 
+ 	/* font */
+ 	if (!FcInit())
+@@ -1132,7 +1153,7 @@ xinit(int cols, int rows)
+ 	xloadfonts(usedfont, 0);
+ 
+ 	/* colors */
+-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
++	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
+ 	xloadcols();
+ 
+ 	/* adjust fixed window geometry */
+@@ -1152,19 +1173,15 @@ xinit(int cols, int rows)
+ 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+ 	xw.attrs.colormap = xw.cmap;
+ 
+-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+-		parent = XRootWindow(xw.dpy, xw.scr);
+ 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
+-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
++			win.w, win.h, 0, xw.depth, InputOutput,
+ 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ 			| CWEventMask | CWColormap, &xw.attrs);
+ 
+ 	memset(&gcvalues, 0, sizeof(gcvalues));
+ 	gcvalues.graphics_exposures = False;
+-	dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+-			&gcvalues);
+-	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+-			DefaultDepth(xw.dpy, xw.scr));
++	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
++	dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
+ 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+ 
+@@ -2019,6 +2036,9 @@ main(int argc, char *argv[])
+ 	case 'a':
+ 		allowaltscreen = 0;
+ 		break;
++	case 'A':
++		opt_alpha = EARGF(usage());
++		break;
+ 	case 'c':
+ 		opt_class = EARGF(usage());
+ 		break;

st-fonts2-0.8.5.diff

@@ -1,163 +0,0 @@
-From 1635e04d3643dd4caa0c7c2043b585c6d7e4705f Mon Sep 17 00:00:00 2001
-From: Rizqi Nur Assyaufi <bandithijo@gmail.com>
-Date: Mon, 18 Jul 2022 01:15:45 +0800
-Subject: [PATCH] [st][patch][font2] Add patch for st-0.8.5
-
----
- config.def.h |   6 +++
- x.c          | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 107 insertions(+)
-
-diff --git a/config.def.h b/config.def.h
-index 91ab8ca..717b2f0 100644
---- a/config.def.h
-+++ b/config.def.h
-@@ -6,6 +6,12 @@
-  * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
-  */
- static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
-+/* Spare fonts */
-+static char *font2[] = {
-+/*	"Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true", */
-+/*	"Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */
-+};
-+
- static int borderpx = 2;
-
- /*
-diff --git a/x.c b/x.c
-index 8a16faa..220fc4f 100644
---- a/x.c
-+++ b/x.c
-@@ -157,6 +157,8 @@ static void xhints(void);
- static int xloadcolor(int, const char *, Color *);
- static int xloadfont(Font *, FcPattern *);
- static void xloadfonts(const char *, double);
-+static int xloadsparefont(FcPattern *, int);
-+static void xloadsparefonts(void);
- static void xunloadfont(Font *);
- static void xunloadfonts(void);
- static void xsetenv(void);
-@@ -306,6 +308,7 @@ zoomabs(const Arg *arg)
- {
- 	xunloadfonts();
- 	xloadfonts(usedfont, arg->f);
-+	xloadsparefonts();
- 	cresize(0, 0);
- 	redraw();
- 	xhints();
-@@ -1034,6 +1037,101 @@ xloadfonts(const char *fontstr, double fontsize)
- 	FcPatternDestroy(pattern);
- }
-
-+int
-+xloadsparefont(FcPattern *pattern, int flags)
-+{
-+	FcPattern *match;
-+	FcResult result;
-+
-+	match = FcFontMatch(NULL, pattern, &result);
-+	if (!match) {
-+		return 1;
-+	}
-+
-+	if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
-+		FcPatternDestroy(match);
-+		return 1;
-+	}
-+
-+	frc[frclen].flags = flags;
-+	/* Believe U+0000 glyph will present in each default font */
-+	frc[frclen].unicodep = 0;
-+	frclen++;
-+
-+	return 0;
-+}
-+
-+void
-+xloadsparefonts(void)
-+{
-+	FcPattern *pattern;
-+	double sizeshift, fontval;
-+	int fc;
-+	char **fp;
-+
-+	if (frclen != 0)
-+		die("can't embed spare fonts. cache isn't empty");
-+
-+	/* Calculate count of spare fonts */
-+	fc = sizeof(font2) / sizeof(*font2);
-+	if (fc == 0)
-+		return;
-+
-+	/* Allocate memory for cache entries. */
-+	if (frccap < 4 * fc) {
-+		frccap += 4 * fc - frccap;
-+		frc = xrealloc(frc, frccap * sizeof(Fontcache));
-+	}
-+
-+	for (fp = font2; fp - font2 < fc; ++fp) {
-+
-+		if (**fp == '-')
-+			pattern = XftXlfdParse(*fp, False, False);
-+		else
-+			pattern = FcNameParse((FcChar8 *)*fp);
-+
-+		if (!pattern)
-+			die("can't open spare font %s\n", *fp);
-+
-+		if (defaultfontsize > 0) {
-+			sizeshift = usedfontsize - defaultfontsize;
-+			if (sizeshift != 0 &&
-+					FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
-+					FcResultMatch) {
-+				fontval += sizeshift;
-+				FcPatternDel(pattern, FC_PIXEL_SIZE);
-+				FcPatternDel(pattern, FC_SIZE);
-+				FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
-+			}
-+		}
-+
-+		FcPatternAddBool(pattern, FC_SCALABLE, 1);
-+
-+		FcConfigSubstitute(NULL, pattern, FcMatchPattern);
-+		XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-+
-+		if (xloadsparefont(pattern, FRC_NORMAL))
-+			die("can't open spare font %s\n", *fp);
-+
-+		FcPatternDel(pattern, FC_SLANT);
-+		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-+		if (xloadsparefont(pattern, FRC_ITALIC))
-+			die("can't open spare font %s\n", *fp);
-+
-+		FcPatternDel(pattern, FC_WEIGHT);
-+		FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
-+		if (xloadsparefont(pattern, FRC_ITALICBOLD))
-+			die("can't open spare font %s\n", *fp);
-+
-+		FcPatternDel(pattern, FC_SLANT);
-+		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
-+		if (xloadsparefont(pattern, FRC_BOLD))
-+			die("can't open spare font %s\n", *fp);
-+
-+		FcPatternDestroy(pattern);
-+	}
-+}
-+
- void
- xunloadfont(Font *f)
- {
-@@ -1131,6 +1229,9 @@ xinit(int cols, int rows)
- 	usedfont = (opt_font == NULL)? font : opt_font;
- 	xloadfonts(usedfont, 0);
-
-+	/* spare fonts */
-+	xloadsparefonts();
-+
- 	/* colors */
- 	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
- 	xloadcols();
---
-2.37.1
-

st.h

@@ -124,3 +124,4 @@ extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
 extern unsigned int defaultcs;
+extern float alpha;

x.c

@@ -105,6 +105,7 @@ typedef struct {
 	XSetWindowAttributes attrs;
 	int scr;
 	int isfixed; /* is fixed geometry? */
+	int depth; /* bit depth */
 	int l, t; /* left and top offset */
 	int gm; /* geometry mask */
 } XWindow;
@@ -157,8 +158,6 @@ static void xhints(void);
 static int xloadcolor(int, const char *, Color *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(const char *, double);
-static int xloadsparefont(FcPattern *, int);
-static void xloadsparefonts(void);
 static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xsetenv(void);
@@ -245,6 +244,7 @@ static char *usedfont = NULL;
 static double usedfontsize = 0;
 static double defaultfontsize = 0;
 
+static char *opt_alpha = NULL;
 static char *opt_class = NULL;
 static char **opt_cmd  = NULL;
 static char *opt_embed = NULL;
@@ -308,7 +308,6 @@ zoomabs(const Arg *arg)
 {
 	xunloadfonts();
 	xloadfonts(usedfont, arg->f);
-	xloadsparefonts();
 	cresize(0, 0);
 	redraw();
 	xhints();
@@ -755,7 +754,7 @@ xresize(int col, int row)
 
 	XFreePixmap(xw.dpy, xw.buf);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+			xw.depth);
 	XftDrawChange(xw.draw, xw.buf);
 	xclear(0, 0, win.w, win.h);
 
@@ -815,6 +814,13 @@ xloadcols(void)
 			else
 				die("could not allocate color %d\n", i);
 		}
+
+	/* set alpha value of bg color */
+	if (opt_alpha)
+		alpha = strtof(opt_alpha, NULL);
+	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+	dc.col[defaultbg].pixel &= 0x00FFFFFF;
+	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
 	loaded = 1;
 }
 
@@ -1053,102 +1059,6 @@ xloadfonts(const char *fontstr, double fontsize)
 	FcPatternDestroy(pattern);
 }
 
-int
-xloadsparefont(FcPattern *pattern, int flags)
-{
-	FcPattern *match;
-	FcResult result;
-
-	match = FcFontMatch(NULL, pattern, &result);
-	if (!match) {
-		return 1;
-	}
-
-	if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
-		FcPatternDestroy(match);
-		return 1;
-	}
-
-	frc[frclen].flags = flags;
-	/* Believe U+0000 glyph will present in each default font */
-	frc[frclen].unicodep = 0;
-	frclen++;
-
-	return 0;
-}
-
-void
-xloadsparefonts(void)
-{
-	FcPattern *pattern;
-	double sizeshift, fontval;
-	int fc;
-	char **fp;
-
-	if (frclen != 0)
-		die("can't embed spare fonts. cache isn't empty");
-
-	/* Calculate count of spare fonts */
-	fc = sizeof(font2) / sizeof(*font2);
-	if (fc == 0)
-		return;
-
-	/* Allocate memory for cache entries. */
-	if (frccap < 4 * fc) {
-		frccap += 4 * fc - frccap;
-		frc = xrealloc(frc, frccap * sizeof(Fontcache));
-	}
-
-	for (fp = font2; fp - font2 < fc; ++fp) {
-
-		if (**fp == '-')
-			pattern = XftXlfdParse(*fp, False, False);
-		else
-			pattern = FcNameParse((FcChar8 *)*fp);
-
-		if (!pattern)
-			die("can't open spare font %s\n", *fp);
-
-		if (defaultfontsize > 0) {
-			sizeshift = usedfontsize - defaultfontsize;
-			if (sizeshift != 0 &&
-					FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
-					FcResultMatch) {
-				fontval += sizeshift;
-				FcPatternDel(pattern, FC_PIXEL_SIZE);
-				FcPatternDel(pattern, FC_SIZE);
-				FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
-			}
-		}
-
-		FcPatternAddBool(pattern, FC_SCALABLE, 1);
-
-		FcConfigSubstitute(NULL, pattern, FcMatchPattern);
-		XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-
-		if (xloadsparefont(pattern, FRC_NORMAL))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_SLANT);
-		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-		if (xloadsparefont(pattern, FRC_ITALIC))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_WEIGHT);
-		FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
-		if (xloadsparefont(pattern, FRC_ITALICBOLD))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_SLANT);
-		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
-		if (xloadsparefont(pattern, FRC_BOLD))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDestroy(pattern);
-	}
-}
-
-
 void
 xunloadfont(Font *f)
 {
@@ -1233,11 +1143,23 @@ xinit(int cols, int rows)
 	Window parent;
 	pid_t thispid = getpid();
 	XColor xmousefg, xmousebg;
+	XWindowAttributes attr;
+	XVisualInfo vis;
 
 	if (!(xw.dpy = XOpenDisplay(NULL)))
 		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
+		parent = XRootWindow(xw.dpy, xw.scr);
+		xw.depth = 32;
+	} else {
+		XGetWindowAttributes(xw.dpy, parent, &attr);
+		xw.depth = attr.depth;
+	}
+
+	XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
+	xw.vis = vis.visual;
 
 	/* font */
 	if (!FcInit())
@@ -1246,11 +1168,8 @@ xinit(int cols, int rows)
 	usedfont = (opt_font == NULL)? font : opt_font;
 	xloadfonts(usedfont, 0);
 
-	/* spare fonts */
-	xloadsparefonts();
-
 	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();
 
 	/* adjust fixed window geometry */
@@ -1270,19 +1189,15 @@ xinit(int cols, int rows)
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-		parent = XRootWindow(xw.dpy, xw.scr);
 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+			win.w, win.h, 0, xw.depth, InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
 			| CWEventMask | CWColormap, &xw.attrs);
 
 	memset(&gcvalues, 0, sizeof(gcvalues));
 	gcvalues.graphics_exposures = False;
-	dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
-			&gcvalues);
-	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+	dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
 
@@ -2137,6 +2052,9 @@ main(int argc, char *argv[])
 	case 'a':
 		allowaltscreen = 0;
 		break;
+	case 'A':
+		opt_alpha = EARGF(usage());
+		break;
 	case 'c':
 		opt_class = EARGF(usage());
 		break;