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commit b4261425a06bab761ba8c280789336fb5f452e5d
parent eef04bd3063d62cf4bc08008f618c8cd7ae95d0a
Author: Arda Atci <arda@phytech.io>
Date:   Tue, 21 Jun 2022 01:07:59 +0300

Preserve on restart patch for dwm-6.3

Diffstat:
A
dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
 | 
118
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
dwm.suckless.org/patches/preserveonrestart/index.md
 | 
17
+++++++++++++++++

2 files changed, 135 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff b/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
@@ -0,0 +1,118 @@
+From 713fa8650f5a20006451ebcccf57a4512e83bae8 Mon Sep 17 00:00:00 2001
+From: Arda Atci <arda@phytech.io>
+Date: Wed, 18 May 2022 17:23:16 +0300
+Subject: [PATCH] preserve clients on old tags when renewing dwm
+
+By default, when dwm is recompiled-restarted all clients will
+lose it's current tag and collapse to first tag. This patch preserves
+clients on old tags, however note that layout order is not preserved.
+
+---
+ dwm.c | 38 +++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 37 insertions(+), 1 deletion(-)
+
+diff --git a/dwm.c b/dwm.c
+index a96f33c..a12e0bd 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -62,7 +62,7 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+ enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
+        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+-       NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++       NetWMWindowTypeDialog, NetClientList, NetClientInfo, NetLast }; /* EWMH atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
+@@ -198,6 +198,7 @@ static void scan(void);
+ static int sendevent(Client *c, Atom proto);
+ static void sendmon(Client *c, Monitor *m);
+ static void setclientstate(Client *c, long state);
++static void setclienttagprop(Client *c);
+ static void setfocus(Client *c);
+ static void setfullscreen(Client *c, int fullscreen);
+ static void setlayout(const Arg *arg);
+@@ -1060,6 +1061,26 @@ manage(Window w, XWindowAttributes *wa)
+ 	updatewindowtype(c);
+ 	updatesizehints(c);
+ 	updatewmhints(c);
++	{
++		int format;
++		unsigned long *data, n, extra;
++		Monitor *m;
++		Atom atom;
++		if (XGetWindowProperty(dpy, c->win, netatom[NetClientInfo], 0L, 2L, False, XA_CARDINAL,
++				&atom, &format, &n, &extra, (unsigned char **)&data) == Success && n == 2) {
++			c->tags = *data;
++			for (m = mons; m; m = m->next) {
++				if (m->num == *(data+1)) {
++					c->mon = m;
++					break;
++				}
++			}
++		}
++		if (n > 0)
++			XFree(data);
++	}
++	setclienttagprop(c);
++
+ 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+ 	grabbuttons(c, 0);
+ 	if (!c->isfloating)
+@@ -1423,6 +1444,7 @@ sendmon(Client *c, Monitor *m)
+ 	c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
+ 	attach(c);
+ 	attachstack(c);
++	setclienttagprop(c);
+ 	focus(NULL);
+ 	arrange(NULL);
+ }
+@@ -1566,6 +1588,7 @@ 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);
++	netatom[NetClientInfo] = XInternAtom(dpy, "_NET_CLIENT_INFO", False);
+ 	/* init cursors */
+ 	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+ 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1589,6 +1612,7 @@ setup(void)
+ 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+ 		PropModeReplace, (unsigned char *) netatom, NetLast);
+ 	XDeleteProperty(dpy, root, netatom[NetClientList]);
++	XDeleteProperty(dpy, root, netatom[NetClientInfo]);
+ 	/* select events */
+ 	wa.cursor = cursor[CurNormal]->cursor;
+ 	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+@@ -1656,11 +1680,22 @@ spawn(const Arg *arg)
+ 	}
+ }
+
++void
++setclienttagprop(Client *c)
++{
++	long data[] = { (long) c->tags, (long) c->mon->num };
++	XChangeProperty(dpy, c->win, netatom[NetClientInfo], XA_CARDINAL, 32,
++			PropModeReplace, (unsigned char *) data, 2);
++}
++
+ void
+ tag(const Arg *arg)
+ {
++	Client *c;
+ 	if (selmon->sel && arg->ui & TAGMASK) {
++		c = selmon->sel;
+ 		selmon->sel->tags = arg->ui & TAGMASK;
++		setclienttagprop(c);
+ 		focus(NULL);
+ 		arrange(selmon);
+ 	}
+@@ -1735,6 +1770,7 @@ toggletag(const Arg *arg)
+ 	newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
+ 	if (newtags) {
+ 		selmon->sel->tags = newtags;
++		setclienttagprop(selmon->sel);
+ 		focus(NULL);
+ 		arrange(selmon);
+ 	}
+--
+2.36.1
diff --git a/dwm.suckless.org/patches/preserveonrestart/index.md b/dwm.suckless.org/patches/preserveonrestart/index.md
@@ -0,0 +1,17 @@
+preserveonrestart
+================
+
+Description
+-----------
+By default, when dwm is recompiled-restarted all clients will
+lose it's current tag and collapse to first tag. This patch preserves
+clients on old tags, however note that layout order is not preserved.
+
+
+Download
+--------
+* [dwm-preserveonrestart-6.3.diff](dwm-preserveonrestart-6.3.diff)
+
+Author
+------
+* [Arda Atci](https://www.phytech.io) <arda@phytech.io>