dwm

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commit 9e56e1ded6889335035c8ffbe2763d3d83978673
parent e4ad3205995865f53b806a912bc7beb44fb90598
Author: Anselm R. Garbe <garbeam@gmail.com>
Date:   Mon, 13 Aug 2007 20:06:00 +0200

tags should be persistent now during X server run
Diffstat:
M
dwm.h
 | 
2
+-
M
layout.c
 | 
6
+++---
M
main.c
 | 
3
++-
M
tag.c
 | 
29
+++++++++++++++++++++++++++--

4 files changed, 33 insertions(+), 7 deletions(-)
diff --git a/dwm.h b/dwm.h
@@ -81,7 +81,7 @@ extern int wax, way, wah, waw;			/* windowarea geometry */
 extern unsigned int bh, blw, bpos;        /* bar height, bar layout label width, bar position */
 extern unsigned int ntags, numlockmask;        /* number of tags, numlock mask */
 extern void (*handler[LASTEvent])(XEvent *);    /* event handler */
-extern Atom wmatom[WMLast], netatom[NetLast];
+extern Atom dwmtags, wmatom[WMLast], netatom[NetLast];
 extern Bool selscreen, *seltag;            /* seltag is array of Bool */
 extern Client *clients, *sel, *stack;        /* global client list and stack */
 extern Cursor cursor[CurLast];
diff --git a/layout.c b/layout.c
@@ -2,6 +2,8 @@
 #include "dwm.h"
 #include <stdlib.h>
 
+/* static */
+
 typedef struct {
     const char *symbol;
     void (*arrange)(void);
@@ -10,10 +12,8 @@ typedef struct {
 unsigned int blw = 0;
 static Layout *lt = NULL;
 
-/* static */
-
 static void
-floating(void) {
+floating(void) { /* default floating layout */
     Client *c;
 
     for(c = clients; c; c = c->next)
diff --git a/main.c b/main.c
@@ -19,7 +19,7 @@ int screen, sx, sy, sw, sh, wax, way, waw, wah;
 unsigned int bh, ntags;
 unsigned int bpos = BARPOS;
 unsigned int numlockmask = 0;
-Atom wmatom[WMLast], netatom[NetLast];
+Atom dwmtags, wmatom[WMLast], netatom[NetLast];
 Bool *seltag;
 Bool selscreen = True;
 Client *clients = NULL;
@@ -139,6 +139,7 @@ setup(void) {
     XSetWindowAttributes wa;
 
     /* init atoms */
+    dwmtags = XInternAtom(dpy, "__DWM_TAGS", False);
     wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
     wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
     wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
diff --git a/tag.c b/tag.c
@@ -3,6 +3,8 @@
 #include <regex.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
 /* static */
@@ -23,6 +25,7 @@ RULES
 
 static Regs *regs = NULL;
 static unsigned int nrules = 0;
+static char prop[512];
 
 /* extern */
 
@@ -65,16 +68,32 @@ isvisible(Client *c) {
 
 void
 settags(Client *c, Client *trans) {
-    char prop[512];
     unsigned int i, j;
     regmatch_t tmp;
     Bool matched = trans != NULL;
     XClassHint ch = { 0 };
+    XTextProperty name;
 
-    if(matched)
+    if(matched) {
         for(i = 0; i < ntags; i++)
             c->tags[i] = trans->tags[i];
+        return;
+    }
     else {
+        /* check if window has set a property */
+        name.nitems = 0;
+        XGetTextProperty(dpy, c->win, &name, dwmtags);
+        if(name.nitems && name.encoding == XA_STRING) {
+            strncpy(prop, (char *)name.value, sizeof prop - 1);
+            prop[sizeof prop - 1] = '\0';
+            XFree(name.value);
+            for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
+                if((c->tags[i] = prop[i] == '+'))
+                    matched = True;
+        }
+        if(matched)
+            return;
+        /* rule matching */
         XGetClassHint(dpy, c->win, &ch);
         snprintf(prop, sizeof prop, "%s:%s:%s",
                 ch.res_class ? ch.res_class : "",
@@ -110,6 +129,12 @@ tag(const char *arg) {
     i = arg ? atoi(arg) : 0;
     if(i >= 0 && i < ntags)
         sel->tags[i] = True;
+    if(sel) {
+        for(i = 0; i < ntags && i < sizeof prop - 1; i++)
+            prop[i] = sel->tags[i] ? '+' : '-';
+        prop[i] = '\0';
+        XChangeProperty(dpy, sel->win, dwmtags, XA_STRING, 8, PropModeReplace, (unsigned char *)prop, i);
+    }
     arrange();
 }