From 22901713d9b78c886718ecc1fe38d18bdebd8e61 Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Thu, 1 Jul 2021 22:40:12 +0100 Subject: [PATCH] apply alpha patch (https://st.suckless.org/patches/alpha/) --- config.def.h | 5 +- config.mk | 2 +- patches/st-alpha-0.8.2.diff | 163 ++++++++++++++++++++++++++++++++++++ st.h | 1 + x.c | 39 ++++++--- 5 files changed, 198 insertions(+), 12 deletions(-) create mode 100644 patches/st-alpha-0.8.2.diff diff --git a/config.def.h b/config.def.h index d8aaa72..68e32d1 100644 --- a/config.def.h +++ b/config.def.h @@ -93,11 +93,14 @@ char *termname = "st-256color"; */ unsigned int tabspaces = 8; +/* bg opacity */ +float alpha = 0.95; + /* Terminal colors (16 first used in escape sequence) */ static const char *colorname[] = { /* 8 normal colors */ - [0] = "#32302f", /* hard contrast: #1d2021 / soft contrast: #32302f */ + [0] = "#1d2021", /* hard contrast: #1d2021 / soft contrast: #32302f */ [1] = "#cc241d", /* red */ [2] = "#98971a", /* green */ [3] = "#d79921", /* yellow */ diff --git a/config.mk b/config.mk index c070a4a..aaa54ff 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` \ `$(PKG_CONFIG) --libs freetype2` diff --git a/patches/st-alpha-0.8.2.diff b/patches/st-alpha-0.8.2.diff new file mode 100644 index 0000000..dad6615 --- /dev/null +++ b/patches/st-alpha-0.8.2.diff @@ -0,0 +1,163 @@ +diff --git a/config.def.h b/config.def.h +index 0e01717..e116631 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -82,6 +82,9 @@ char *termname = "st-256color"; + */ + unsigned int tabspaces = 8; + ++/* bg opacity */ ++float alpha = 0.8; ++ + /* Terminal colors (16 first used in escape sequence) */ + static const char *colorname[] = { + /* 8 normal colors */ +@@ -109,6 +112,7 @@ static const char *colorname[] = { + /* more colors can be added after 255 to use with DefaultXX */ + "#cccccc", + "#555555", ++ "black", + }; + + +@@ -117,7 +121,7 @@ static const char *colorname[] = { + * foreground, background, cursor, reverse cursor + */ + unsigned int defaultfg = 7; +-unsigned int defaultbg = 0; ++unsigned int defaultbg = 258; + static unsigned int defaultcs = 256; + static unsigned int defaultrcs = 257; + +diff --git a/config.mk b/config.mk +index 0cbb002..1d2f0e2 100644 +--- a/config.mk ++++ b/config.mk +@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config + INCS = -I$(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 38c61c4..b7634ab 100644 +--- a/st.h ++++ b/st.h +@@ -120,3 +120,4 @@ extern char *termname; + extern unsigned int tabspaces; + extern unsigned int defaultfg; + extern unsigned int defaultbg; ++extern float alpha; +diff --git a/x.c b/x.c +index 0422421..588dec3 100644 +--- a/x.c ++++ b/x.c +@@ -98,6 +98,7 @@ 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; +@@ -229,6 +230,7 @@ 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; +@@ -688,7 +690,7 @@ 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); + +@@ -748,6 +750,13 @@ 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; + } + +@@ -1004,11 +1013,23 @@ 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()) +@@ -1018,7 +1039,7 @@ 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 */ +@@ -1038,19 +1059,15 @@ 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); + +@@ -1894,6 +1911,9 @@ main(int argc, char *argv[]) + case 'a': + allowaltscreen = 0; + break; ++ case 'A': ++ opt_alpha = EARGF(usage()); ++ break; + case 'c': + opt_class = EARGF(usage()); + break; diff --git a/st.h b/st.h index 3d351b6..9f11a6a 100644 --- a/st.h +++ b/st.h @@ -123,3 +123,4 @@ extern char *termname; extern unsigned int tabspaces; extern unsigned int defaultfg; extern unsigned int defaultbg; +extern float alpha; diff --git a/x.c b/x.c index 210f184..3fc0699 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; @@ -734,7 +736,7 @@ 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); @@ -794,6 +796,12 @@ 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; } @@ -1103,11 +1111,23 @@ 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()) @@ -1117,7 +1137,7 @@ 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 */ @@ -1137,19 +1157,15 @@ 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); @@ -1988,6 +2004,9 @@ main(int argc, char *argv[]) case 'a': allowaltscreen = 0; break; + case 'A': + opt_alpha = EARGF(usage()); + break; case 'c': opt_class = EARGF(usage()); break;