dwm

commit 5c5b9056c30c7eae7fbbf7af1043b01960e966cd
parent 0652ef9359bfaf8c2b03e77f22d23be415cfd996
Author: Matthew Carlson <matt@mcarlson.xyz>
Date:   Mon, 12 Jul 2021 01:27:26 +0000

Merge branch 'dwmc' into dwm

Diffstat:
M
Makefile
 | 
2
+-
M
config.h
 | 
71
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
dwm.c
 | 
55
+++++++++++++++++++++++++++++++++++++++++++++++++++++--
A
dwmc
 | 
40
++++++++++++++++++++++++++++++++++++++++

4 files changed, 165 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
@@ -24,7 +24,7 @@ dwm: ${OBJ}
 
 install: all
 	mkdir -p ${DESTDIR}${PREFIX}/bin
-	cp -f dwm ${DESTDIR}${PREFIX}/bin
+	cp -f dwm dwmc ${DESTDIR}${PREFIX}/bin
 	chmod 755 ${DESTDIR}${PREFIX}/bin/dwm
 	rm -f dwm *.o
 
diff --git a/config.h b/config.h
@@ -196,3 +196,74 @@ static Button buttons[] = {
 	{ ClkTagBar,     MODKEY,    Button1, tag,            {0} },
 	{ ClkTagBar,     MODKEY,    Button3, toggletag,      {0} },
 };
+
+void
+setlayoutex(const Arg *arg)
+{
+    setlayout(&((Arg) { .v = &layouts[arg->i] }));
+}
+
+void
+viewex(const Arg *arg)
+{
+    view(&((Arg) { .ui = 1 << arg->ui }));
+}
+
+void
+viewall(const Arg *arg)
+{
+    view(&((Arg){.ui = ~0}));
+}
+
+void
+toggleviewex(const Arg *arg)
+{
+   toggleview(&((Arg) { .ui = 1 << arg->ui }));
+}
+
+void
+tagex(const Arg *arg)
+{
+   tag(&((Arg) { .ui = 1 << arg->ui }));
+}
+
+void
+toggletagex(const Arg *arg)
+{
+   toggletag(&((Arg) { .ui = 1 << arg->ui }));
+}
+
+void
+tagall(const Arg *arg)
+{
+   tag(&((Arg){.ui = ~0}));
+}
+
+/* signal definitions */
+/* signum must be greater than 0 */
+/* trigger signals using `xsetroot -name "fsignal:<signame> [<type> <value>]"` */
+static Signal signals[] = {
+    /* signum           function */
+    { "focusstack",     focusstack },
+    { "setmfact",       setmfact },
+    { "togglebar",      togglebar },
+    { "incnmaster",     incnmaster },
+    { "togglefloating", togglefloating },
+    { "focusmon",       focusmon },
+    { "tagmon",         tagmon },
+    { "zoom",           zoom },
+    { "view",           view },
+    { "viewall",        viewall },
+    { "viewex",         viewex },
+    { "toggleview",     view },
+    { "toggleviewex",   toggleviewex },
+    { "tag",            tag },
+    { "tagall",         tagall },
+    { "tagex",          tagex },
+    { "toggletag",      tag },
+    { "toggletagex",    toggletagex },
+    { "killclient",     killclient },
+    { "quit",           quit },
+    { "setlayout",      setlayout },
+    { "setlayoutex",    setlayoutex },
+};
diff --git a/dwm.c b/dwm.c
@@ -118,6 +118,11 @@ typedef struct {
 } Key;
 
 typedef struct {
+    const char * sig;
+    void (*func)(const Arg *);
+} Signal;
+
+typedef struct {
 	const char *symbol;
 	void (*arrange)(Monitor *);
 } Layout;
@@ -178,6 +183,7 @@ static void arrange(Monitor *m);
 static void arrangemon(Monitor *m);
 static void attach(Client *c);
 static void attachstack(Client *c);
+static int fake_signal(void);
 static void buttonpress(XEvent *e);
 static void checkotherwm(void);
 static void cleanup(void);
@@ -1172,6 +1178,49 @@ keypress(XEvent *e)
 			keys[i].func(&(keys[i].arg));
 }
 
+int
+fake_signal(void)
+{
+    char fsignal[256];
+    char indicator[9] = "fsignal:";
+    char str_sig[50];
+    char param[16];
+    int i, len_str_sig, n, paramn;
+    size_t len_fsignal, len_indicator = strlen(indicator);
+    Arg arg;
+
+    // Get root name property
+    if (gettextprop(root, XA_WM_NAME, fsignal, sizeof(fsignal))) {
+        len_fsignal = strlen(fsignal);
+
+        // Check if this is indeed a fake signal
+        if (len_indicator > len_fsignal ? 0 : strncmp(indicator, fsignal, len_indicator) == 0) {
+            paramn = sscanf(fsignal+len_indicator, "%s%n%s%n", str_sig, &len_str_sig, param, &n);
+
+            if (paramn == 1) arg = (Arg) {0};
+            else if (paramn > 2) return 1;
+            else if (strncmp(param, "i", n - len_str_sig) == 0)
+                        sscanf(fsignal + len_indicator + n, "%i", &(arg.i));
+            else if (strncmp(param, "ui", n - len_str_sig) == 0)
+                        sscanf(fsignal + len_indicator + n, "%u", &(arg.ui));
+            else if (strncmp(param, "f", n - len_str_sig) == 0)
+                        sscanf(fsignal + len_indicator + n, "%f", &(arg.f));
+            else return 1;
+
+            // Check if a signal was found, and if so handle it
+            for (i = 0; i < LENGTH(signals); i++)
+                if (strncmp(str_sig, signals[i].sig, len_str_sig) == 0 && signals[i].func)
+                    signals[i].func(&(arg));
+
+            // A fake signal was sent
+            return 1;
+        }
+    }
+
+    // No fake signal was sent, so proceed with update
+    return 0;
+}
+
 void
 killclient(const Arg *arg)
 {
@@ -1393,8 +1442,10 @@ propertynotify(XEvent *e)
 	Window trans;
 	XPropertyEvent *ev = &e->xproperty;
 
-	if ((ev->window == root) && (ev->atom == XA_WM_NAME))
-		updatestatus();
+    if ((ev->window == root) && (ev->atom == XA_WM_NAME)) {
+        if (!fake_signal())
+            updatestatus();
+    }
 	else if (ev->state == PropertyDelete)
 		return; /* ignore */
 	else if ((c = wintoclient(ev->window))) {
diff --git a/dwmc b/dwmc
@@ -0,0 +1,40 @@
+#!/usr/bin/env sh
+
+signal() {
+   xsetroot -name "fsignal:$*"
+}
+
+case $# in
+1)
+   case $1 in
+   setlayout | view | viewall | togglebar | togglefloating | zoom | killclient | quit)
+       signal $1
+       ;;
+   *)
+       echo "Unknown command or missing one argument."
+       exit 1
+       ;;
+   esac
+   ;;
+2)
+   case $1 in
+   view)
+       signal $1 ui $2
+       ;;
+   viewex | toggleviewex | tagex | toggletagex | setlayoutex | focusstack | incnmaster | focusmon | tagmon)
+       signal $1 i $2
+       ;;
+   setmfact)
+       signal $1 f $2
+       ;;
+   *)
+       echo "Unknown command or one too many arguments."
+       exit 1
+       ;;
+   esac
+   ;;
+*)
+   echo "Too many arguments."
+   exit 1
+   ;;
+esac