From 0a23ed6efdee28bcdd3c9f69381cdf499f7c86e7 Mon Sep 17 00:00:00 2001
From: bakkeby <bakkeby@gmail.com>
Date: Wed, 2 Oct 2019 23:22:04 +0200
Subject: [PATCH] Adding restartsig and emptyview patches

---
 README.md          | 10 ++++++++++
 config.def.h       |  3 +++
 dwm.c              | 35 +++++++++++++++++++++++++++++++++++
 patch/include.c    |  4 ++++
 patch/include.h    |  4 ++++
 patch/restartsig.c | 15 +++++++++++++++
 patch/restartsig.h |  2 ++
 patches.h          | 13 +++++++++++++
 8 files changed, 86 insertions(+)
 create mode 100644 patch/restartsig.c
 create mode 100644 patch/restartsig.h

diff --git a/README.md b/README.md
index 484e223..917fb23 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
+2019-10-02 - Added restartsig and emptyview patch
+
 2019-10-01 - Added leftlayout, fullscreen, holdbar and unfloatvisible patches
 
 2019-09-30 - Replaced flextile with flextile-deluxe, refactored monitor rules to support predetermined layouts per tag
@@ -86,6 +88,10 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [cyclelayouts](https://dwm.suckless.org/patches/cyclelayouts/)
       - lets you cycle through all your layouts
 
+   - [emptyview](https://dwm.suckless.org/patches/emptyview/)
+      - allows no tag at all to be selected
+      - dwm will start with no tag selected and when a client with no tag rule is started and no tag is selected then it will be opened on the first tag
+
    - [ewmhtags](https://dwm.suckless.org/patches/ewmhtags/)
       - adds EWMH support for \_NET_NUMBER_OF_DESKTOPS, \_NET_CURRENT_DESKTOP, \_NET_DESKTOP_NAMES and \_NET_DESKTOP_VIEWPORT, which allows for compatibility with other bars and programs that request workspace information, e.g. polybar's xworkspaces module
 
@@ -132,6 +138,10 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
       - by default, windows only resize from the bottom right corner
       - with this patch the mouse is warped to the nearest corner and you resize from there
 
+   - [restartsig](https://dwm.suckless.org/patches/restartsig/)
+      - adds a keyboard shortcut to restart dwm or alternatively by using kill -HUP dwmpid
+      - additionally dwm can quit cleanly by using kill -TERM dwmpid
+
    - [rotatestack](https://dwm.suckless.org/patches/rotatestack/)
       - let's you rotate through the stack using keyboard shortcuts
 
diff --git a/config.def.h b/config.def.h
index bf55176..ce6a6ca 100644
--- a/config.def.h
+++ b/config.def.h
@@ -358,6 +358,9 @@ static Key keys[] = {
 	{ MODKEY|ShiftMask,             XK_r,          self_restart,      {0} },
 	#endif // SELFRESTART_PATCH
 	{ MODKEY|ShiftMask,             XK_q,          quit,              {0} },
+	#if RESTARTSIG_PATCH
+	{ MODKEY|ControlMask|ShiftMask, XK_q,          quit,              {1} },
+	#endif // RESTARTSIG_PATCH
 	#if HOLDBAR_PATCH
 	{ 0,                            HOLDKEY,       holdbar,           {0} },
 	#endif // HOLDBAR_PATCH
diff --git a/dwm.c b/dwm.c
index 55b89e6..7fed237 100644
--- a/dwm.c
+++ b/dwm.c
@@ -483,7 +483,13 @@ applyrules(Client *c)
 		XFree(ch.res_class);
 	if (ch.res_name)
 		XFree(ch.res_name);
+	#if EMPTYVIEW_PATCH
+	if(c->tags & TAGMASK)                    c->tags = c->tags & TAGMASK;
+	else if(c->mon->tagset[c->mon->seltags]) c->tags = c->mon->tagset[c->mon->seltags];
+	else                                     c->tags = 1;
+	#else
 	c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
+	#endif // EMPTYVIEW_PATCH
 }
 
 int
@@ -976,7 +982,11 @@ createmon(void)
 	#endif // MONITOR_RULES_PATCH
 
 	m = ecalloc(1, sizeof(Monitor));
+	#if EMPTYVIEW_PATCH
+	m->tagset[0] = m->tagset[1] = 0;
+	#else
 	m->tagset[0] = m->tagset[1] = 1;
+	#endif // EMPTYVIEW_PATCH
 	m->mfact = mfact;
 	m->nmaster = nmaster;
 	#if FLEXTILE_DELUXE_LAYOUT
@@ -1968,6 +1978,10 @@ propertynotify(XEvent *e)
 void
 quit(const Arg *arg)
 {
+	#if RESTARTSIG_PATCH
+	if (arg->i)
+		restart = 1;
+	#endif // RESTARTSIG_PATCH
 	running = 0;
 }
 
@@ -2191,7 +2205,11 @@ sendmon(Client *c, Monitor *m)
 	detach(c);
 	detachstack(c);
 	c->mon = m;
+	#if EMPTYVIEW_PATCH
+	c->tags = (m->tagset[m->seltags] ? m->tagset[m->seltags] : 1);
+	#else
 	c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
+	#endif // EMPTYVIEW_PATCH
 	#if ATTACHABOVE_PATCH || ATTACHASIDE_PATCH || ATTACHBELOW_PATCH || ATTACHBOTTOM_PATCH
 	attachx(c);
 	#else
@@ -2388,6 +2406,11 @@ setup(void)
 	/* clean up any zombies immediately */
 	sigchld(0);
 
+	#if RESTARTSIG_PATCH
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+	#endif // RESTARTSIG_PATCH
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -2693,7 +2716,9 @@ toggleview(const Arg *arg)
 	int i;
 	#endif // PERTAG_PATCH
 
+	#if !EMPTYVIEW_PATCH
 	if (newtagset) {
+	#endif // EMPTYVIEW_PATCH
 		selmon->tagset[selmon->seltags] = newtagset;
 
 		#if PERTAG_PATCH
@@ -2721,7 +2746,9 @@ toggleview(const Arg *arg)
 		#endif // PERTAG_PATCH
 		focus(NULL);
 		arrange(selmon);
+	#if !EMPTYVIEW_PATCH
 	}
+	#endif // EMPTYVIEW_PATCH
 	#if EWMHTAGS_PATCH
 	updatecurrentdesktop();
 	#endif // EWMHTAGS_PATCH
@@ -3072,7 +3099,11 @@ updatewmhints(Client *c)
 void
 view(const Arg *arg)
 {
+	#if EMPTYVIEW_PATCH
+	if (arg->ui && (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
+	#else
 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
+	#endif // EMPTYVIEW_PATCH
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
 	#if PERTAG_PATCH
@@ -3247,6 +3278,10 @@ main(int argc, char *argv[])
 	runAutostart();
 	#endif
 	run();
+	#if RESTARTSIG_PATCH
+	if (restart)
+		execvp(argv[0], argv);
+	#endif // RESTARTSIG_PATCH
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;
diff --git a/patch/include.c b/patch/include.c
index bb41382..920f7ff 100644
--- a/patch/include.c
+++ b/patch/include.c
@@ -54,6 +54,10 @@
 #include "push.c"
 #endif
 
+#if RESTARTSIG_PATCH
+#include "restartsig.c"
+#endif
+
 #if ROTATESTACK_PATCH
 #include "rotatestack.c"
 #endif
diff --git a/patch/include.h b/patch/include.h
index d19423e..67578c7 100644
--- a/patch/include.h
+++ b/patch/include.h
@@ -54,6 +54,10 @@
 #include "push.h"
 #endif
 
+#if RESTARTSIG_PATCH
+#include "restartsig.h"
+#endif
+
 #if ROTATESTACK_PATCH
 #include "rotatestack.h"
 #endif
diff --git a/patch/restartsig.c b/patch/restartsig.c
new file mode 100644
index 0000000..0bef576
--- /dev/null
+++ b/patch/restartsig.c
@@ -0,0 +1,15 @@
+static int restart = 0;
+
+void
+sighup(int unused)
+{
+	Arg a = {.i = 1};
+	quit(&a);
+}
+
+void
+sigterm(int unused)
+{
+	Arg a = {.i = 0};
+	quit(&a);
+}
\ No newline at end of file
diff --git a/patch/restartsig.h b/patch/restartsig.h
new file mode 100644
index 0000000..5a08c39
--- /dev/null
+++ b/patch/restartsig.h
@@ -0,0 +1,2 @@
+static void sighup(int unused);
+static void sigterm(int unused);
\ No newline at end of file
diff --git a/patches.h b/patches.h
index d43169e..55c7165 100644
--- a/patches.h
+++ b/patches.h
@@ -110,6 +110,13 @@
  */
 #define CYCLELAYOUTS_PATCH 0
 
+/* This patch allows no tag at all to be selected. The result is that dwm will start with
+ * no tag selected and when you start a client with no tag rule and no tag selected then
+ * it will be opened on the first tag.
+ * https://dwm.suckless.org/patches/emptyview/
+ */
+#define EMPTYVIEW_PATCH 0
+
 /* Adds EWMH support for _NET_NUMBER_OF_DESKTOPS, _NET_CURRENT_DESKTOP, _NET_DESKTOP_NAMES
  * and _NET_DESKTOP_VIEWPORT, which allows for compatibility with other bars and programs
  * that request workspace information. For example polybar's xworkspaces module.
@@ -206,6 +213,12 @@
  */
 #define RESIZECORNERS_PATCH 0
 
+/* Adds a keyboard shortcut to restart dwm or alternatively by using kill -HUP dwmpid.
+ * Additionally dwm can quit cleanly by using kill -TERM dwmpid.
+ * https://dwm.suckless.org/patches/restartsig/
+ */
+#define RESTARTSIG_PATCH 0
+
 /* This patch let's you rotate through the stack using keyboard shortcuts.
  * https://dwm.suckless.org/patches/rotatestack/
  */