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commit 0674bddbcb378e78571b5218cc21f34acd22c1e1
parent 6e8ca18edc6caf6c3a007849edbb23b98fad4fd9
Author: Johannes Mayrhofer <jm.spam@gmx.net>
Date:   Thu, 19 Apr 2018 23:45:06 +0200

A Patch to spuuport alpha in st 0.8.1

This commit was suggested to me by Anselm Garbe.

The index.md is edited to list the submitted diff-file and my
email contact.

The st-alpha-0.8.1.diff is basically a modified st-alpha-20171221-0ac685f.diff
with mostly line changes to where the hunks are supposed to be placed.
The hunk that originally went to 'win.h' is now targeted at 'x.c'

Pleas reach back to me, if there would be anything to change since this
is actually my fisrt code commit to a git.

Diffstat:
st.suckless.org/patches/alpha/index.md | 2++
st.suckless.org/patches/alpha/st-alpha-0.8.1.diff | 199+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 201 insertions(+), 0 deletions(-)

diff --git a/st.suckless.org/patches/alpha/index.md b/st.suckless.org/patches/alpha/index.md @@ -27,6 +27,7 @@ Download * [st-alpha-20160727-308bfbf.diff](st-alpha-20160727-308bfbf.diff) * [st-alpha-20170509-5a10aca.diff](st-alpha-20170509-5a10aca.diff) * [st-alpha-20171221-0ac685f.diff](st-alpha-20171221-0ac685f.diff) + * [st-alpha-0.8.1.diff](st-alpha-0.8.1.diff) Authors ------- @@ -36,3 +37,4 @@ Authors * Laslo Hunhold - <dev@frign.de> (0.6, git ports) * Ivan J. - <parazyd@dyne.org> (git port) * Matthew Parnell - <matt@parnmatt.co.uk> (0.7 port) + * Johannes Mayrhofer - <jm.spam@gmx.net> (0.8.1 port) diff --git a/st.suckless.org/patches/alpha/st-alpha-0.8.1.diff b/st.suckless.org/patches/alpha/st-alpha-0.8.1.diff @@ -0,0 +1,199 @@ +diff --git a/config.def.h b/config.def.h +index 82b1b09..2c721e8 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -82,6 +82,9 @@ char *termname = "st-256color"; + */ + unsigned int tabspaces = 8; + ++/* bg opacity */ ++unsigned int alpha = 0xcc; ++ + /* 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 = 257; + static unsigned int defaultcs = 256; + static unsigned int defaultrcs = 257; + +diff --git a/config.mk b/config.mk +index 039c42c..b1fa717 100644 +--- a/config.mk ++++ b/config.mk +@@ -11,10 +11,10 @@ X11INC = /usr/X11R6/include + X11LIB = /usr/X11R6/lib + + # includes and libs +-INCS = -I$(X11INC) \ ++INCS = -I. -I/usr/include -I${X11INC} \ + `pkg-config --cflags fontconfig` \ + `pkg-config --cflags freetype2` +-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \ ++LIBS = -L/usr/lib -lc -L${X11LIB} -lm -lrt -lX11 -lutil -lXft -lXrender\ + `pkg-config --libs fontconfig` \ + `pkg-config --libs freetype2` + +diff --git a/st.h b/st.h +index dac64d8..433c74f 100644 +--- a/st.h ++++ b/st.h +@@ -119,5 +119,6 @@ extern char *worddelimiters; + extern int allowaltscreen; + extern char *termname; + extern unsigned int tabspaces; ++extern unsigned int alpha; + extern unsigned int defaultfg; + extern unsigned int defaultbg; +diff --git a/x.c b/x.c +index c0bd890..0562571 100644 +--- a/x.c ++++ b/x.c +@@ -48,6 +48,10 @@ typedef struct { + #define XK_NO_MOD 0 + #define XK_SWITCH_MOD (1<<13) + ++/* alpha */ ++#define OPAQUE 0Xff ++#define USE_ARGB (alpha != OPAQUE && opt_embed == NULL) ++ + /* function definitions used in config.h */ + static void clipcopy(const Arg *); + static void clippaste(const Arg *); +@@ -98,6 +102,7 @@ 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; +@@ -686,7 +691,7 @@ 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); + +@@ -746,6 +751,13 @@ xloadcols(void) + else + die("could not allocate color %d\n", i); + } ++ ++ /* set alpha value of bg color */ ++ if (USE_ARGB) { ++ dc.col[defaultbg].color.alpha = (0xffff * alpha) / OPAQUE; ++ dc.col[defaultbg].pixel &= 0x00111111; ++ dc.col[defaultbg].pixel |= alpha << 24; ++ } + loaded = 1; + } + +@@ -767,6 +779,17 @@ xsetcolorname(int x, const char *name) + return 0; + } + ++void ++xtermclear(int col1, int row1, int col2, int row2) ++{ ++ XftDrawRect(xw.draw, ++ &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg], ++ borderpx + col1 * win.cw, ++ borderpx + row1 * win.ch, ++ (col2-col1+1) * win.cw, ++ (row2-row1+1) * win.ch); ++} ++ + /* + * Absolute coordinates. + */ +@@ -1004,7 +1027,40 @@ xinit(int cols, int rows) + if (!(xw.dpy = XOpenDisplay(NULL))) + die("can't open display\n"); + xw.scr = XDefaultScreen(xw.dpy); +- xw.vis = XDefaultVisual(xw.dpy, xw.scr); ++ xw.depth = (USE_ARGB) ? 32: XDefaultDepth(xw.dpy, xw.scr); ++ if (!USE_ARGB) ++ xw.vis = XDefaultVisual(xw.dpy, xw.scr); ++ else { ++ XVisualInfo *vis; ++ XRenderPictFormat *fmt; ++ int nvi; ++ int i; ++ ++ XVisualInfo tpl = { ++ .screen = xw.scr, ++ .depth = 32, ++ .class = TrueColor ++ }; ++ ++ vis = XGetVisualInfo(xw.dpy, ++ VisualScreenMask | VisualDepthMask | VisualClassMask, ++ &tpl, &nvi); ++ xw.vis = NULL; ++ for (i = 0; i < nvi; i++) { ++ fmt = XRenderFindVisualFormat(xw.dpy, vis[i].visual); ++ if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) { ++ xw.vis = vis[i].visual; ++ break; ++ } ++ } ++ ++ XFree(vis); ++ ++ if (!xw.vis) { ++ fprintf(stderr, "Couldn't find ARGB visual.\n"); ++ exit(1); ++ } ++ } + + /* font */ + if (!FcInit()) +@@ -1014,7 +1070,11 @@ xinit(int cols, int rows) + xloadfonts(usedfont, 0); + + /* colors */ +- xw.cmap = XDefaultColormap(xw.dpy, xw.scr); ++ if (!USE_ARGB) ++ xw.cmap = XDefaultColormap(xw.dpy, xw.scr); ++ else ++ xw.cmap = XCreateColormap(xw.dpy, XRootWindow(xw.dpy, xw.scr), ++ xw.vis, None); + xloadcols(); + + /* adjust fixed window geometry */ +@@ -1037,16 +1097,15 @@ xinit(int cols, int rows) + 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, (USE_ARGB) ? xw.buf: parent, ++ GCGraphicsExposures, &gcvalues); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); +