[dwm][patches][betterswallow] add patch for dwm 6.6 - sites - public wiki contents of suckless.org
HTML git clone git://git.suckless.org/sites
DIR Log
DIR Files
DIR Refs
---
DIR commit 9994c8d76f789e9afb5a3f45e578f3fc1f8bc87c
DIR parent def4db38eb91ceb524c2467f1852c25099de5d46
HTML Author: Hubert Głuchowski <fishhh@fishhh.dev>
Date: Mon, 22 Dec 2025 17:28:57 +0100
[dwm][patches][betterswallow] add patch for dwm 6.6
Diffstat:
A dwm.suckless.org/patches/betterswa… | 295 ++++++++++++++++++++++++++++++
M dwm.suckless.org/patches/betterswa… | 4 +---
2 files changed, 296 insertions(+), 3 deletions(-)
---
DIR diff --git a/dwm.suckless.org/patches/betterswallow/dwm-betterswallow-6.6.diff b/dwm.suckless.org/patches/betterswallow/dwm-betterswallow-6.6.diff
@@ -0,0 +1,295 @@
+diff -up -x dwm -x '*.o' -x compile_commands.json dwm-6.6-orig/config.mk dwm-6.6/config.mk
+--- dwm-6.6-orig/config.mk 2025-12-22 13:50:11.321481527 +0100
++++ dwm-6.6/config.mk 2025-12-22 13:51:06.720057380 +0100
+@@ -25,6 +25,8 @@ FREETYPEINC = /usr/include/freetype2
+ INCS = -I${X11INC} -I${FREETYPEINC}
+ LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+
++LIBS += -lXRes
++
+ # flags
+ CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+ #CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
+diff -up -x dwm -x '*.o' -x compile_commands.json dwm-6.6-orig/dwm.c dwm-6.6/dwm.c
+--- dwm-6.6-orig/dwm.c 2025-12-22 13:50:11.322481536 +0100
++++ dwm-6.6/dwm.c 2025-12-22 13:52:08.649643404 +0100
+@@ -40,6 +40,7 @@
+ #include <X11/extensions/Xinerama.h>
+ #endif /* XINERAMA */
+ #include <X11/Xft/Xft.h>
++#include <X11/extensions/XRes.h>
+
+ #include "drw.h"
+ #include "util.h"
+@@ -49,7 +50,7 @@
+ #define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
+ #define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
+ * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
+-#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
++#define ISVISIBLE(C) (C->swallowed == NULL && (C->tags & C->mon->tagset[C->mon->seltags]))
+ #define MOUSEMASK (BUTTONMASK|PointerMotionMask)
+ #define WIDTH(X) ((X)->w + 2 * (X)->bw)
+ #define HEIGHT(X) ((X)->h + 2 * (X)->bw)
+@@ -92,6 +93,11 @@ struct Client {
+ int bw, oldbw;
+ unsigned int tags;
+ int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
++
++ Client *swallower;
++ Client *swallowed;
++ Client *next_swallowed;
++
+ Client *next;
+ Client *snext;
+ Monitor *mon;
+@@ -140,6 +146,12 @@ typedef struct {
+ int monitor;
+ } Rule;
+
++typedef struct SwallowDef {
++ pid_t pid;
++ Client *swallower;
++ struct SwallowDef *next;
++} SwallowDef;
++
+ /* function declarations */
+ static void applyrules(Client *c);
+ static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
+@@ -258,6 +270,8 @@ static void (*handler[LASTEvent]) (XEven
+ [PropertyNotify] = propertynotify,
+ [UnmapNotify] = unmapnotify
+ };
++static Atom swallow_atom;
++static SwallowDef *swallowlist;
+ static Atom wmatom[WMLast], netatom[NetLast];
+ static int running = 1;
+ static Cur *cursor[CurLast];
+@@ -400,6 +414,69 @@ arrangemon(Monitor *m)
+ m->lt[m->sellt]->arrange(m);
+ }
+
++pid_t
++wintopid(Window window) {
++ XResClientIdSpec spec;
++ spec.client = window;
++ spec.mask = XRES_CLIENT_ID_XID;
++
++ long count;
++ XResClientIdValue *output;
++ XResQueryClientIds(dpy, 1, &spec, &count, &output);
++
++ pid_t pid = -1;
++
++ for (int i = 0; i < count; ++i)
++ if (output[i].spec.mask == XRES_CLIENT_ID_PID_MASK) {
++ pid = *(pid_t *)output[i].value;
++ break;
++ }
++
++ XResClientIdsDestroy(count, output);
++
++ return pid;
++}
++
++void
++copyclientpos(Client *dst, Client *src) {
++ dst->bw = src->bw;
++ resizeclient(dst, src->x, src->y, src->w, src->h);
++ dst->oldx = src->oldx;
++ dst->oldy = src->oldy;
++ dst->oldw = src->oldw;
++ dst->oldh = src->oldh;
++ dst->oldbw = src->oldbw;
++ dst->oldstate = src->oldstate;
++ dst->isfullscreen = src->isfullscreen;
++ dst->isfloating = src->isfloating;
++ dst->tags = src->tags;
++ dst->mon = src->mon;
++}
++
++void
++checkswallowed(Client *c) {
++ pid_t pid = wintopid(c->win);
++
++ if(pid < 0) return;
++ for(SwallowDef *sd = swallowlist; sd != NULL; sd = sd->next) {
++ if(pid == sd->pid) {
++ c->swallower = sd->swallower;
++ copyclientpos(c, sd->swallower);
++
++ c->next_swallowed = c->swallower->swallowed;
++ c->swallower->swallowed = c;
++
++ c->next = c->swallower->next;
++ c->swallower->next = c;
++
++ c->snext = c->swallower->snext;
++ c->swallower->snext = c;
++
++ return;
++ }
++ }
++}
++
+ void
+ attach(Client *c)
+ {
+@@ -527,7 +604,15 @@ clientmessage(XEvent *e)
+ } else if (cme->message_type == netatom[NetActiveWindow]) {
+ if (c != selmon->sel && !c->isurgent)
+ seturgent(c, 1);
++ } else if(cme->message_type == swallow_atom) {
++ SwallowDef *node = ecalloc(1, sizeof(SwallowDef));
++ node->pid = cme->data.l[0];
++ node->swallower = c;
++ node->next = swallowlist;
++ swallowlist = node;
++ return;
+ }
++
+ }
+
+ void
+@@ -714,9 +799,11 @@ drawbar(Monitor *m)
+ }
+
+ for (c = m->clients; c; c = c->next) {
+- occ |= c->tags;
+- if (c->isurgent)
+- urg |= c->tags;
++ if (!c->swallowed) {
++ occ |= c->tags;
++ if (c->isurgent)
++ urg |= c->tags;
++ }
+ }
+ x = 0;
+ for (i = 0; i < LENGTH(tags); i++) {
+@@ -1059,6 +1146,7 @@ manage(Window w, XWindowAttributes *wa)
+ c->x = MAX(c->x, c->mon->wx);
+ c->y = MAX(c->y, c->mon->wy);
+ c->bw = borderpx;
++ checkswallowed(c);
+
+ wc.border_width = c->bw;
+ XConfigureWindow(dpy, w, CWBorderWidth, &wc);
+@@ -1073,8 +1161,10 @@ manage(Window w, XWindowAttributes *wa)
+ c->isfloating = c->oldstate = trans != None || c->isfixed;
+ if (c->isfloating)
+ XRaiseWindow(dpy, c->win);
+- attach(c);
+- attachstack(c);
++ if(!c->swallower) {
++ attach(c);
++ attachstack(c);
++ }
+ XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
+ (unsigned char *) &(c->win), 1);
+ XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
+@@ -1169,6 +1259,10 @@ movemouse(const Arg *arg)
+ case Expose:
+ case MapRequest:
+ handler[ev.type](&ev);
++
++ // A MapRequest could've caused the current window to swallow another one.
++ if(c->swallowed)
++ c = c->swallowed;
+ break;
+ case MotionNotify:
+ if ((ev.xmotion.time - lasttime) <= (1000 / 60))
+@@ -1323,6 +1417,9 @@ resizemouse(const Arg *arg)
+ case Expose:
+ case MapRequest:
+ handler[ev.type](&ev);
++
++ if(c->swallowed)
++ c = c->swallowed;
+ break;
+ case MotionNotify:
+ if ((ev.xmotion.time - lasttime) <= (1000 / 60))
+@@ -1578,6 +1675,7 @@ setup(void)
+ netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+ netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+ netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
++ swallow_atom = XInternAtom(dpy, "_BETTER_SWALLOW", False);
+ /* init cursors */
+ cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+ cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1595,6 +1693,8 @@ setup(void)
+ PropModeReplace, (unsigned char *) &wmcheckwin, 1);
+ XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
+ PropModeReplace, (unsigned char *) "dwm", 3);
++ XChangeProperty(dpy, root, swallow_atom, utf8string, 8,
++ PropModeReplace, (unsigned char *) "supported", 9);
+ XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
+ PropModeReplace, (unsigned char *) &wmcheckwin, 1);
+ /* EWMH support per view */
+@@ -1775,11 +1875,55 @@ unfocus(Client *c, int setfocus)
+ }
+
+ void
++deleteswallower(Client *c) {
++ SwallowDef **prevnext = &swallowlist;
++ for(SwallowDef *sd = swallowlist; sd != NULL;) {
++ if(sd->swallower == c) {
++ SwallowDef *next = sd->next;
++ *prevnext = next;
++ free(sd);
++ sd = next;
++ } else {
++ prevnext = &sd->next;
++ sd = sd->next;
++ }
++ }
++
++ Client *sw = c->swallowed;
++ while(sw) {
++ sw->swallower = NULL;
++ Client *next = sw->next_swallowed;
++ sw->next_swallowed = NULL;
++ sw = next;
++ }
++}
++
++void
+ unmanage(Client *c, int destroyed)
+ {
+ Monitor *m = c->mon;
+ XWindowChanges wc;
+
++ if(c->swallower) {
++ Client **prev = &c->swallower->swallowed;
++ for(; *prev != c; prev = &(*prev)->next_swallowed)
++ ;
++ *prev = c->next_swallowed;
++ c->next_swallowed = NULL;
++
++ if(c->swallower->swallowed == NULL) {
++ detach(c->swallower);
++ detachstack(c->swallower);
++
++ c->swallower->next = c->next;
++ c->next = c->swallower;
++ c->swallower->snext = c->snext;
++ c->snext = c->swallower;
++
++ copyclientpos(c->swallower, c);
++ }
++ }
++
+ detach(c);
+ detachstack(c);
+ if (!destroyed) {
+@@ -1793,9 +1937,10 @@ unmanage(Client *c, int destroyed)
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+- }
++ } else deleteswallower(c);
++ if(c->swallower) focus(c->swallower);
++ else focus(NULL);
+ free(c);
+- focus(NULL);
+ updateclientlist();
+ arrange(m);
+ }
DIR diff --git a/dwm.suckless.org/patches/betterswallow/index.md b/dwm.suckless.org/patches/betterswallow/index.md
@@ -17,9 +17,6 @@ defaults to the devour mechanism, which unmaps the parent window itself.
Development of this patch should happen on the [GitHub repository](https://github.com/afishhh/better-swallow)
of `betterswallow`. If you encounter any bugs, feel free to open an issue.
-Currently, only a version for DWM-6.3 exists. If you wish to update the patch to
-a newer version of DWM, you can open a pull request on the `betterswallow` repository.
-
#### Patching
The patch requires the `Xres` library. Ensure it's included in your build environment.
@@ -46,6 +43,7 @@ Since `better-swallow` is quite long, I recommend creating an alias, such as `bs
Download
--------
* [dwm-betterswallow-20250116-89eeca1.diff](dwm-betterswallow-20250116-89eeca1.diff) (2025-01-16)
+* [dwm-betterswallow-6.6.diff](dwm-betterswallow-6.6.diff) (2025-12-22)
Author
------