From d9ed0f2a938f1758414501939dc93bd06bdccda8 Mon Sep 17 00:00:00 2001 From: Your Name Date: Mon, 29 Sep 2025 21:37:44 -0600 Subject: [PATCH] altscreen scrolling --- config.def.h | 4 ++-- config.h | 4 ++-- st.c | 5 +++++ st.h | 1 + x.c | 2 ++ x.c.orig | 44 +++++++++++++++++++++++++++++++++++--------- 6 files changed, 47 insertions(+), 13 deletions(-) diff --git a/config.def.h b/config.def.h index fda28aa..1239b06 100644 --- a/config.def.h +++ b/config.def.h @@ -179,8 +179,8 @@ static uint forcemousemod = ShiftMask; */ static MouseShortcut mshortcuts[] = { /* mask button function argument release */ - { ShiftMask, Button4, kscrollup, {.i = 1} }, - { ShiftMask, Button5, kscrolldown, {.i = 1} }, + { XK_ANY_MOD, Button4, kscrollup, {.i = 1}, 0, /* !alt */ -1 }, + { XK_ANY_MOD, Button5, kscrolldown, {.i = 1}, 0, /* !alt */ -1 }, { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 }, { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} }, { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} }, diff --git a/config.h b/config.h index 969d944..276122d 100644 --- a/config.h +++ b/config.h @@ -197,8 +197,8 @@ static uint forcemousemod = ShiftMask; */ static MouseShortcut mshortcuts[] = { /* mask button function argument release */ - { ShiftMask, Button4, kscrollup, {.i = 1} }, - { ShiftMask, Button5, kscrolldown, {.i = 1} }, + { XK_ANY_MOD, Button4, kscrollup, {.i = 1}, 0, /* !alt */ -1 }, + { XK_ANY_MOD, Button5, kscrolldown, {.i = 1}, 0, /* !alt */ -1 }, { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 }, { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} }, { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} }, diff --git a/st.c b/st.c index 3ba17bc..71cf11a 100644 --- a/st.c +++ b/st.c @@ -1053,6 +1053,11 @@ tnew(int col, int row) treset(); } +int tisaltscr(void) +{ + return IS_SET(MODE_ALTSCREEN); +} + void tswapscreen(void) { diff --git a/st.h b/st.h index 818a6f8..aef72ef 100644 --- a/st.h +++ b/st.h @@ -89,6 +89,7 @@ void sendbreak(const Arg *); void toggleprinter(const Arg *); int tattrset(int); +int tisaltscr(void); void tnew(int, int); void tresize(int, int); void tsetdirtattr(int); diff --git a/x.c b/x.c index f8fa6cf..fc717e9 100644 --- a/x.c +++ b/x.c @@ -34,6 +34,7 @@ typedef struct { void (*func)(const Arg *); const Arg arg; uint release; + int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */ } MouseShortcut; typedef struct { @@ -457,6 +458,7 @@ mouseaction(XEvent *e, uint release) for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { if (ms->release == release && ms->button == e->xbutton.button && + (!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) && (match(ms->mod, state) || /* exact or forced */ match(ms->mod, state & ~forcemousemod))) { ms->func(&(ms->arg)); diff --git a/x.c.orig b/x.c.orig index 4c68714..f8fa6cf 100644 --- a/x.c.orig +++ b/x.c.orig @@ -106,6 +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; @@ -756,7 +757,7 @@ 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); @@ -816,6 +817,10 @@ xloadcols(void) else die("could not allocate color %d\n", 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; } @@ -846,6 +851,12 @@ 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; } @@ -1138,11 +1149,25 @@ 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\n"); 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()) @@ -1152,7 +1177,7 @@ 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 */ @@ -1172,11 +1197,8 @@ 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) @@ -1187,7 +1209,7 @@ 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); @@ -2051,6 +2073,10 @@ 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;