st

my build of st
git clone git://git.ckyln.com/st
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commit 9bc345e00c0b8c08ee2427efcf2684e46eed58d7
parent 28486cd8f77b520a6dda7ac15acd170fdb7e0678
Author: Cem Keylan <cem@ckyln.com>
Date:   Tue,  4 Aug 2020 12:53:56 +0300

add alpha

Diffstat:
Mconfig.def.h | 6+++++-
Mconfig.mk | 2+-
Mst.h | 1+
Mx.c | 40++++++++++++++++++++++++++++++----------
4 files changed, 37 insertions(+), 12 deletions(-)

diff --git 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 */ @@ -120,6 +123,7 @@ static const char *colorname[] = { /* more colors can be added after 255 to use with DefaultXX */ "#cccccc", "#555555", + "black", }; @@ -128,7 +132,7 @@ 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 @@ -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 @@ -126,3 +126,4 @@ 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 @@ -119,6 +119,7 @@ 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; @@ -257,6 +258,7 @@ 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; @@ -748,7 +750,7 @@ 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); @@ -808,6 +810,13 @@ 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; } @@ -1117,9 +1126,21 @@ xinit(int cols, int rows) Window parent; pid_t thispid = getpid(); XColor xmousefg, xmousebg; + XWindowAttributes attr; + XVisualInfo vis; xw.scr = XDefaultScreen(xw.dpy); - xw.vis = XDefaultVisual(xw.dpy, xw.scr); + + if (!(opt_embed && (parent = strtoul(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()) @@ -1129,7 +1150,7 @@ 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 */ @@ -1149,19 +1170,15 @@ 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); @@ -2053,6 +2070,9 @@ main(int argc, char *argv[]) case 'a': allowaltscreen = 0; break; + case 'A': + opt_alpha = EARGF(usage()); + break; case 'c': opt_class = EARGF(usage()); break;