prepared merging layout.c and tag.c into screen.c

[dwm.git] / layout.c

diff --git a/layout.c b/layout.c
index 46e82c2..2763d2c 100644 (file)
--- 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 Layout *lt = NULL;
+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);
-       lt->arrange();
+       layouts[ltidx].arrange();
        focus(NULL);
        restack();
 }
@@ -76,25 +80,24 @@ focusprev(const char *arg) {
 const char *
 getsymbol(void)
 {
-       return lt->symbol;
+       return layouts[ltidx].symbol;
 }
 
 Bool
 isfloating(void) {
-       return lt->arrange == floating;
+       return layouts[ltidx].arrange == floating;
 }
 
 Bool
 isarrange(void (*func)())
 {
-       return func == lt->arrange;
+       return func == layouts[ltidx].arrange;
 }
 
 void
 initlayouts(void) {
        unsigned int i, w;
 
-       lt = &layouts[0];
        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);
@@ -118,9 +135,9 @@ restack(void) {
        drawstatus();
        if(!sel)
                return;
-       if(sel->isfloating || lt->arrange == floating)
+       if(sel->isfloating || isfloating())
                XRaiseWindow(dpy, sel->win);
-       if(lt->arrange != floating) {
+       if(!isfloating()) {
                wc.stack_mode = Below;
                wc.sibling = barwin;
                if(!sel->isfloating) {
@@ -139,24 +156,37 @@ restack(void) {
 }
 
 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) {
-               lt++;
-               if(lt == layouts + nlayouts)
-                       lt = layouts;
+               if(++ltidx == nlayouts)
+                       ltidx = 0;;
        }
        else {
                i = atoi(arg);
                if(i < 0 || i >= nlayouts)
                        return;
-               lt = &layouts[i];
+               ltidx = i;
        }
        if(sel)
                arrange();
        else
                drawstatus();
+       savedwmprops();
 }
 
 void
@@ -173,7 +203,7 @@ void
 togglemax(const char *arg) {
        XEvent ev;
 
-       if(!sel || (lt->arrange != floating && !sel->isfloating) || sel->isfixed)
+       if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed)
                return;
        if((sel->ismax = !sel->ismax)) {
                sel->rx = sel->x;