X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/55d8dda9f45503f25804a9dbfeb4c878284a6576..96d7fe16eaf6b656800f08da3156bacd75ca3b08:/layout.c

diff --git a/layout.c b/layout.c
index 573de57..2763d2c 100644
--- a/layout.c
+++ b/layout.c
@@ -1,6 +1,9 @@
 /* See LICENSE file for copyright and license details. */
 #include "dwm.h"
 #include <stdlib.h>
+#include <string.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
 
 /* static */
 
@@ -10,7 +13,8 @@ typedef struct {
 } Layout;
 
 unsigned int blw = 0;
-static unsigned int sellayout = 0; /* default */
+static char prop[128];
+static unsigned int ltidx = 0; /* default */
 
 static void
 floating(void) { /* default floating layout */
@@ -36,7 +40,7 @@ arrange(void) {
 			unban(c);
 		else
 			ban(c);
-	layouts[sellayout].arrange();
+	layouts[ltidx].arrange();
 	focus(NULL);
 	restack();
 }
@@ -76,25 +80,24 @@ focusprev(const char *arg) {
 const char *
 getsymbol(void)
 {
-	return layouts[sellayout].symbol;
+	return layouts[ltidx].symbol;
 }
 
 Bool
 isfloating(void) {
-	return layouts[sellayout].arrange == floating;
+	return layouts[ltidx].arrange == floating;
 }
 
 Bool
 isarrange(void (*func)())
 {
-	return func == layouts[sellayout].arrange;
+	return func == layouts[ltidx].arrange;
 }
 
 void
 initlayouts(void) {
 	unsigned int i, w;
 
-	/* TODO deserialize sellayout if present */
 	nlayouts = sizeof layouts / sizeof layouts[0];
 	for(blw = i = 0; i < nlayouts; i++) {
 		w = textw(layouts[i].symbol);
@@ -103,6 +106,20 @@ initlayouts(void) {
 	}
 }
 
+void
+loaddwmprops(void) {
+	unsigned int i;
+
+	if(gettextprop(root, dwmprops, prop, sizeof prop)) {
+		for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
+			seltags[i] = prop[i] == '1';
+		if(i < sizeof prop - 1 && prop[i] != '\0') {
+			if(prop[i] < nlayouts)
+				ltidx = prop[i];
+		}
+	}
+}
+
 Client *
 nexttiled(Client *c) {
 	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
@@ -138,24 +155,38 @@ restack(void) {
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
+void
+savedwmprops(void) {
+	unsigned int i;
+
+	for(i = 0; i < ntags && i < sizeof prop - 1; i++)
+		prop[i] = seltags[i] ? '1' : '0';
+	if(i < sizeof prop - 1)
+		prop[i++] = (char)ltidx;
+	prop[i] = '\0';
+	XChangeProperty(dpy, root, dwmprops, XA_STRING, 8,
+			PropModeReplace, (unsigned char *)prop, i);
+}
+
 void
 setlayout(const char *arg) {
 	int i;
 
 	if(!arg) {
-		if(++sellayout == nlayouts)
-			sellayout = 0;;
+		if(++ltidx == nlayouts)
+			ltidx = 0;;
 	}
 	else {
 		i = atoi(arg);
 		if(i < 0 || i >= nlayouts)
 			return;
-		sellayout = i;
+		ltidx = i;
 	}
 	if(sel)
 		arrange();
 	else
 		drawstatus();
+	savedwmprops();
 }
 
 void