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280
dwm/dwm-betterswallow-20250116-89eeca1.diff
Executable file
280
dwm/dwm-betterswallow-20250116-89eeca1.diff
Executable file
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@ -0,0 +1,280 @@
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diff -up -x dwm -x '*.o' -x compile_commands.json dwm-6.3-orig/config.mk dwm-6.3/config.mk
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--- dwm-6.3-orig/config.mk 2024-06-25 01:55:26.769203813 +0200
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+++ dwm-6.3/config.mk 2024-12-15 01:12:39.132847648 +0100
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@@ -24,6 +24,8 @@ FREETYPEINC = /usr/include/freetype2
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INCS = -I${X11INC} -I${FREETYPEINC}
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LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
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+LIBS += -lXRes
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+
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# flags
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CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
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#CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
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diff -up -x dwm -x '*.o' -x compile_commands.json dwm-6.3-orig/dwm.c dwm-6.3/dwm.c
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--- dwm-6.3-orig/dwm.c 2024-06-25 01:55:26.771203825 +0200
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+++ dwm-6.3/dwm.c 2025-01-16 21:07:02.942737362 +0100
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@@ -40,6 +40,7 @@
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#include <X11/extensions/Xinerama.h>
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#endif /* XINERAMA */
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#include <X11/Xft/Xft.h>
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+#include <X11/extensions/XRes.h>
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#include "drw.h"
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#include "util.h"
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@@ -49,7 +50,7 @@
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#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
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#define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
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* MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
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-#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
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+#define ISVISIBLE(C) (C->swallowed == NULL && (C->tags & C->mon->tagset[C->mon->seltags]))
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#define LENGTH(X) (sizeof X / sizeof X[0])
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#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
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#define WIDTH(X) ((X)->w + 2 * (X)->bw)
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@@ -93,6 +94,11 @@ struct Client {
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int bw, oldbw;
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unsigned int tags;
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int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
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+
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+ Client *swallower;
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+ Client *swallowed;
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+ Client *next_swallowed;
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+
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Client *next;
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Client *snext;
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Monitor *mon;
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@@ -141,6 +147,12 @@ typedef struct {
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int monitor;
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} Rule;
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+typedef struct SwallowDef {
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+ pid_t pid;
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+ Client *swallower;
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+ struct SwallowDef *next;
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+} SwallowDef;
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+
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/* function declarations */
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static void applyrules(Client *c);
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static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
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@@ -260,6 +272,8 @@ static void (*handler[LASTEvent]) (XEven
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[PropertyNotify] = propertynotify,
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[UnmapNotify] = unmapnotify
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};
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+static Atom swallow_atom;
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+static SwallowDef *swallowlist;
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static Atom wmatom[WMLast], netatom[NetLast];
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static int running = 1;
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static Cur *cursor[CurLast];
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@@ -400,6 +414,69 @@ arrangemon(Monitor *m)
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m->lt[m->sellt]->arrange(m);
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}
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+pid_t
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+wintopid(Window window) {
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+ XResClientIdSpec spec;
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+ spec.client = window;
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+ spec.mask = XRES_CLIENT_ID_XID;
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+
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+ long count;
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+ XResClientIdValue *output;
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+ XResQueryClientIds(dpy, 1, &spec, &count, &output);
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+
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+ pid_t pid = -1;
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+
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+ for (int i = 0; i < count; ++i)
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+ if (output[i].spec.mask == XRES_CLIENT_ID_PID_MASK) {
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+ pid = *(pid_t *)output[i].value;
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+ break;
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+ }
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+
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+ XResClientIdsDestroy(count, output);
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+
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+ return pid;
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+}
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+
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+void
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+copyclientpos(Client *dst, Client *src) {
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+ dst->bw = src->bw;
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+ resizeclient(dst, src->x, src->y, src->w, src->h);
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+ dst->oldx = src->oldx;
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+ dst->oldy = src->oldy;
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+ dst->oldw = src->oldw;
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+ dst->oldh = src->oldh;
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+ dst->oldbw = src->oldbw;
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+ dst->oldstate = src->oldstate;
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+ dst->isfullscreen = src->isfullscreen;
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+ dst->isfloating = src->isfloating;
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+ dst->tags = src->tags;
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+ dst->mon = src->mon;
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+}
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+
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+void
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+checkswallowed(Client *c) {
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+ pid_t pid = wintopid(c->win);
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+
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+ if(pid < 0) return;
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+ for(SwallowDef *sd = swallowlist; sd != NULL; sd = sd->next) {
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+ if(pid == sd->pid) {
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+ c->swallower = sd->swallower;
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+ copyclientpos(c, sd->swallower);
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+
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+ c->next_swallowed = c->swallower->swallowed;
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+ c->swallower->swallowed = c;
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+
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+ c->next = c->swallower->next;
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+ c->swallower->next = c;
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+
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+ c->snext = c->swallower->snext;
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+ c->swallower->snext = c;
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+
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+ return;
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+ }
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+ }
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+}
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+
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void
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attach(Client *c)
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{
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@@ -526,7 +603,15 @@ clientmessage(XEvent *e)
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} else if (cme->message_type == netatom[NetActiveWindow]) {
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if (c != selmon->sel && !c->isurgent)
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seturgent(c, 1);
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+ } else if(cme->message_type == swallow_atom) {
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+ SwallowDef *node = ecalloc(1, sizeof(SwallowDef));
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+ node->pid = cme->data.l[0];
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+ node->swallower = c;
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+ node->next = swallowlist;
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+ swallowlist = node;
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+ return;
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}
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+
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}
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void
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@@ -1052,6 +1137,7 @@ manage(Window w, XWindowAttributes *wa)
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c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
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&& (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
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c->bw = borderpx;
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+ checkswallowed(c);
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wc.border_width = c->bw;
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XConfigureWindow(dpy, w, CWBorderWidth, &wc);
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@@ -1066,8 +1152,10 @@ manage(Window w, XWindowAttributes *wa)
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c->isfloating = c->oldstate = trans != None || c->isfixed;
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if (c->isfloating)
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XRaiseWindow(dpy, c->win);
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- attach(c);
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- attachstack(c);
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+ if(!c->swallower) {
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+ attach(c);
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+ attachstack(c);
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+ }
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XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
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(unsigned char *) &(c->win), 1);
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XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
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@@ -1164,6 +1252,10 @@ movemouse(const Arg *arg)
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case Expose:
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case MapRequest:
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handler[ev.type](&ev);
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+
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+ // A MapRequest could've caused the current window to swallow another one.
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+ if(c->swallowed)
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+ c = c->swallowed;
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break;
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case MotionNotify:
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if ((ev.xmotion.time - lasttime) <= (1000 / 60))
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@@ -1318,6 +1410,9 @@ resizemouse(const Arg *arg)
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case Expose:
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case MapRequest:
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handler[ev.type](&ev);
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+
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+ if(c->swallowed)
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+ c = c->swallowed;
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break;
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case MotionNotify:
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if ((ev.xmotion.time - lasttime) <= (1000 / 60))
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@@ -1566,6 +1661,7 @@ setup(void)
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netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
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netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
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netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
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+ swallow_atom = XInternAtom(dpy, "_BETTER_SWALLOW", False);
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/* init cursors */
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cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
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cursor[CurResize] = drw_cur_create(drw, XC_sizing);
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@@ -1583,6 +1679,8 @@ setup(void)
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PropModeReplace, (unsigned char *) &wmcheckwin, 1);
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XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
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PropModeReplace, (unsigned char *) "dwm", 3);
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+ XChangeProperty(dpy, root, swallow_atom, utf8string, 8,
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+ PropModeReplace, (unsigned char *) "supported", 9);
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XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
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PropModeReplace, (unsigned char *) &wmcheckwin, 1);
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/* EWMH support per view */
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@@ -1766,11 +1864,55 @@ unfocus(Client *c, int setfocus)
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}
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void
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+deleteswallower(Client *c) {
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+ SwallowDef **prevnext = &swallowlist;
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+ for(SwallowDef *sd = swallowlist; sd != NULL;) {
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+ if(sd->swallower == c) {
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+ SwallowDef *next = sd->next;
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+ *prevnext = next;
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+ free(sd);
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+ sd = next;
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+ } else {
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+ prevnext = &sd->next;
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+ sd = sd->next;
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+ }
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+ }
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+
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+ Client *sw = c->swallowed;
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+ while(sw) {
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+ sw->swallower = NULL;
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+ Client *next = sw->next_swallowed;
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+ sw->next_swallowed = NULL;
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+ sw = next;
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+ }
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+}
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+
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+void
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unmanage(Client *c, int destroyed)
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{
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Monitor *m = c->mon;
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XWindowChanges wc;
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+ if(c->swallower) {
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+ Client **prev = &c->swallower->swallowed;
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+ for(; *prev != c; prev = &(*prev)->next_swallowed)
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+ ;
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+ *prev = c->next_swallowed;
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+ c->next_swallowed = NULL;
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+
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+ if(c->swallower->swallowed == NULL) {
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+ detach(c->swallower);
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+ detachstack(c->swallower);
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+
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+ c->swallower->next = c->next;
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+ c->next = c->swallower;
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+ c->swallower->snext = c->snext;
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+ c->snext = c->swallower;
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+
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+ copyclientpos(c->swallower, c);
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+ }
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+ }
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+
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detach(c);
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detachstack(c);
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if (!destroyed) {
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@@ -1783,9 +1925,10 @@ unmanage(Client *c, int destroyed)
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XSync(dpy, False);
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XSetErrorHandler(xerror);
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XUngrabServer(dpy);
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- }
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+ } else deleteswallower(c);
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+ if(c->swallower) focus(c->swallower);
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+ else focus(NULL);
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free(c);
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- focus(NULL);
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updateclientlist();
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arrange(m);
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}
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