[wiki] [sites] [st][patch][alpha] Update patch || Eon S. Jeon

From: <git_AT_suckless.org>
Date: Wed, 14 Aug 2024 03:09:27 +0200

commit e0b9375df1297d536dad0bbc9f4ba402694b21a9
Author: Eon S. Jeon <esjeon_AT_hyunmu.am>
Date: Wed Aug 14 10:02:57 2024 +0900

    [st][patch][alpha] Update patch
    
     * Fix the patch for breaking changes in st.
     * Adapt to parent visual automatically. Embedding will work regardless
       of the visual used by the parent.

diff --git a/st.suckless.org/patches/alpha/index.md b/st.suckless.org/patches/alpha/index.md
index 0b0e77cf..892f6f99 100644
--- a/st.suckless.org/patches/alpha/index.md
+++ b/st.suckless.org/patches/alpha/index.md
_AT_@ -36,6 +36,7 @@ Download
 * [st-alpha-20190116-3be4cf1.diff](st-alpha-20190116-3be4cf1.diff)
 * [st-alpha-0.8.2.diff](st-alpha-0.8.2.diff)
 * [st-alpha-0.8.5.diff](st-alpha-20220206-0.8.5.diff)
+* [st-alpha-20240814-a0274bc.diff](st-alpha-20240814-a0274bc.diff)
 
 Following patch also applies alpha to background color set with OSC 11:
 
diff --git a/st.suckless.org/patches/alpha/st-alpha-20240814-a0274bc.diff b/st.suckless.org/patches/alpha/st-alpha-20240814-a0274bc.diff
new file mode 100644
index 00000000..6913d192
--- /dev/null
+++ b/st.suckless.org/patches/alpha/st-alpha-20240814-a0274bc.diff
_AT_@ -0,0 +1,129 @@
+diff --git a/config.def.h b/config.def.h
+index 2cd740a..019a4e1 100644
+--- a/config.def.h
++++ b/config.def.h
+_AT_@ -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/x.c b/x.c
+index d73152b..f32fd6c 100644
+--- a/x.c
++++ b/x.c
+_AT_@ -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;
+_AT_@ -752,7 +753,7 @@ 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);
+
+_AT_@ -812,6 +813,10 @@ xloadcols(void)
+ else
+ die("could not allocate color %d
", i);
+ }
++
++ 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;
+ }
+
+_AT_@ -842,6 +847,12 @@ xsetcolorname(int x, const char *name)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+ dc.col[x] = ncolor;
+
++ if (x == defaultbg) {
++ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
++ dc.col[defaultbg].pixel &= 0x00FFFFFF;
++ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
++ }
++
+ return 0;
+ }
+
+_AT_@ -1134,11 +1145,25 @@ xinit(int cols, int rows)
+ Window parent, root;
+ pid_t thispid = getpid();
+ XColor xmousefg, xmousebg;
++ XWindowAttributes attr;
++ XVisualInfo vis;
+
+ if (!(xw.dpy = XOpenDisplay(NULL)))
+ die("can't open display
");
+ xw.scr = XDefaultScreen(xw.dpy);
+- xw.vis = XDefaultVisual(xw.dpy, xw.scr);
++
++ root = XRootWindow(xw.dpy, xw.scr);
++ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
++ parent = root;
++
++ if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
++ xw.vis = vis.visual;
++ xw.depth = vis.depth;
++ } else {
++ XGetWindowAttributes(xw.dpy, parent, &attr);
++ xw.vis = attr.visual;
++ xw.depth = attr.depth;
++ }
+
+ /* font */
+ if (!FcInit())
+_AT_@ -1148,7 +1173,7 @@ 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 */
+_AT_@ -1168,11 +1193,8 @@ xinit(int cols, int rows)
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+ xw.attrs.colormap = xw.cmap;
+
+- root = XRootWindow(xw.dpy, xw.scr);
+- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+- parent = root;
+- xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
+- win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
++ xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
++ win.w, win.h, 0, xw.depth, InputOutput,
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
+ if (parent != root)
+_AT_@ -1183,7 +1205,7 @@ xinit(int cols, int rows)
+ dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+- DefaultDepth(xw.dpy, xw.scr));
++ xw.depth);
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+_AT_@ -2047,6 +2069,10 @@ main(int argc, char *argv[])
+ case 'a':
+ allowaltscreen = 0;
+ break;
++ case 'A':
++ alpha = strtof(EARGF(usage()), NULL);
++ LIMIT(alpha, 0.0, 1.0);
++ break;
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
Received on Wed Aug 14 2024 - 03:09:27 CEST