[wiki] [sites] Preserve on restart patch for dwm-6.3 || Arda Atci

From: <git_AT_suckless.org>
Date: Tue, 21 Jun 2022 00:08:21 +0200

commit b4261425a06bab761ba8c280789336fb5f452e5d
Author: Arda Atci <arda_AT_phytech.io>
Date: Tue Jun 21 01:07:59 2022 +0300

    Preserve on restart patch for dwm-6.3

diff --git a/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff b/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
new file mode 100644
index 00000000..079cf05d
--- /dev/null
+++ b/dwm.suckless.org/patches/preserveonrestart/dwm-preserveonrestart-6.3.diff
_AT_@ -0,0 +1,118 @@
+From 713fa8650f5a20006451ebcccf57a4512e83bae8 Mon Sep 17 00:00:00 2001
+From: Arda Atci <arda_AT_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
+_AT_@ -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 */
+_AT_@ -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);
+_AT_@ -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)
+_AT_@ -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);
+ }
+_AT_@ -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);
+_AT_@ -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
+_AT_@ -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);
+ }
+_AT_@ -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
new file mode 100644
index 00000000..7ed0d171
--- /dev/null
+++ b/dwm.suckless.org/patches/preserveonrestart/index.md
_AT_@ -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_AT_phytech.io>
Received on Tue Jun 21 2022 - 00:08:21 CEST

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