diff options
Diffstat (limited to 'st/st-alpha-changealpha-20230519-b44f2ad.diff')
| -rwxr-xr-x | st/st-alpha-changealpha-20230519-b44f2ad.diff | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/st/st-alpha-changealpha-20230519-b44f2ad.diff b/st/st-alpha-changealpha-20230519-b44f2ad.diff new file mode 100755 index 0000000..9d8bf6e --- /dev/null +++ b/st/st-alpha-changealpha-20230519-b44f2ad.diff @@ -0,0 +1,194 @@ +diff --git a/st/config.def.h b/st_patched/config.def.h +index 91ab8ca..59fc2a9 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -93,6 +93,10 @@ char *termname = "st-256color"; + */ + unsigned int tabspaces = 8; + ++/* bg opacity */ ++float alpha = 0.8; ++float alpha_def; ++ + /* Terminal colors (16 first used in escape sequence) */ + static const char *colorname[] = { + /* 8 normal colors */ +@@ -201,6 +205,9 @@ static Shortcut shortcuts[] = { + { TERMMOD, XK_Y, selpaste, {.i = 0} }, + { ShiftMask, XK_Insert, selpaste, {.i = 0} }, + { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, ++ { MODKEY, XK_bracketleft, chgalpha, {.f = -1} }, /* Decrease opacity */ ++ { MODKEY|ShiftMask, XK_braceright, chgalpha, {.f = +1} }, /* Increase opacity */ ++ { MODKEY, XK_bracketright,chgalpha, {.f = 0} }, /* Reset opacity */ + }; + + /* +diff --git a/st/st.h b/st_patched/st.h +index fd3b0d8..cda8c13 100644 +--- a/st.h ++++ b/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, alpha_def; +diff --git a/st/config.mk b/st_patched/config.mk +index 1e306f8..47c615e 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/x.c b/st_patched/x.c +index aa09997..3b05a55 100644 +--- a/x.c ++++ b/x.c +@@ -59,6 +59,7 @@ static void zoom(const Arg *); + static void zoomabs(const Arg *); + static void zoomreset(const Arg *); + static void ttysend(const Arg *); ++static void chgalpha(const Arg *); + + /* config.h for applying patches and the configuration. */ + #include "config.h" +@@ -105,6 +106,7 @@ 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 +245,7 @@ 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; +@@ -752,7 +755,7 @@ 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); + +@@ -812,6 +815,13 @@ 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; + } + +@@ -1134,11 +1144,23 @@ 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()) +@@ -1147,8 +1169,11 @@ xinit(int cols, int rows) + usedfont = (opt_font == NULL)? font : opt_font; + xloadfonts(usedfont, 0); + ++ /* Backup default alpha value */ ++ alpha_def = alpha; ++ + /* colors */ +- xw.cmap = XDefaultColormap(xw.dpy, xw.scr); ++ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None); + xloadcols(); + + /* adjust fixed window geometry */ +@@ -1168,19 +1193,15 @@ 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); + +@@ -1371,6 +1392,24 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x + return numspecs; + } + ++void ++chgalpha(const Arg *arg) ++{ ++ if (arg->f == -1.0f && alpha >= 0.1f) ++ alpha -= 0.1f; ++ else if (arg->f == 1.0f && alpha < 1.0f) ++ alpha += 0.1f; ++ else if (arg->f == 0.0f) ++ alpha = alpha_def; ++ else ++ return; ++ ++ dc.col[defaultbg].color.alpha = (unsigned short)(0xFFFF * alpha); ++ /* Required to remove artifacting from borderpx */ ++ cresize(0, 0); ++ redraw(); ++} ++ + void + xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) + { +@@ -2038,6 +2077,9 @@ main(int argc, char *argv[]) + case 'a': + allowaltscreen = 0; + break; ++ case 'A': ++ opt_alpha = EARGF(usage()); ++ break; + case 'c': + opt_class = EARGF(usage()); + break; |