Merge branch 'backport' into work
[dana/openbox.git] / openbox / session.c
index dcb3fce..99d6622 100644 (file)
@@ -24,6 +24,10 @@ struct _ObClient;
 
 GList *session_saved_state = NULL;
 gint session_desktop = -1;
+gint session_num_desktops = 0;
+gboolean session_desktop_layout_present = FALSE;
+ObDesktopLayout session_desktop_layout;
+GSList *session_desktop_names = NULL;
 
 #ifndef USE_SM
 void session_startup(gint argc, gchar **argv) {}
@@ -34,11 +38,10 @@ GList* session_state_find(struct _ObClient *c) { return NULL; }
 #include "debug.h"
 #include "openbox.h"
 #include "client.h"
-#include "prop.h"
 #include "focus.h"
-#include "screen.h"
 #include "gettext.h"
-#include "parser/parse.h"
+#include "obt/parse.h"
+#include "obt/paths.h"
 
 #include <time.h>
 #include <errno.h>
@@ -88,22 +91,26 @@ static void session_state_free(ObSessionState *state);
 void session_startup(gint argc, gchar **argv)
 {
     gchar *dir;
+    ObtPaths *p;
 
     if (!ob_sm_use) return;
 
     sm_argc = argc;
     sm_argv = argv;
 
-    dir = g_build_filename(parse_xdg_data_home_path(),
+    p = obt_paths_new();
+    dir = g_build_filename(obt_paths_cache_home(p),
                            "openbox", "sessions", NULL);
-    if (!parse_mkdir_path(dir, 0700)) {
-        g_message(_("Unable to make directory '%s': %s"),
+    obt_paths_unref(p), p = NULL;
+
+    if (!obt_paths_mkdir_path(dir, 0700)) {
+        g_message(_("Unable to make directory \"%s\": %s"),
                   dir, g_strerror(errno));
     }
 
     if (ob_sm_save_file != NULL) {
         if (ob_sm_restore) {
-            ob_debug_type(OB_DEBUG_SM, "Loading from session file %s\n",
+            ob_debug_type(OB_DEBUG_SM, "Loading from session file %s",
                           ob_sm_save_file);
             session_load_file(ob_sm_save_file);
         }
@@ -152,7 +159,7 @@ void session_shutdown(gboolean permanent)
 }
 
 /*! Connect to the session manager and set up our callback functions */
-static gboolean session_connect()
+static gboolean session_connect(void)
 {
     SmcCallbacks cb;
     gchar *oldid;
@@ -170,7 +177,7 @@ static gboolean session_connect()
 
     /* connect to the server */
     oldid = ob_sm_id;
-    ob_debug_type(OB_DEBUG_SM, "Connecting to SM with id: %s\n",
+    ob_debug_type(OB_DEBUG_SM, "Connecting to SM with id: %s",
                   oldid ? oldid : "(null)");
     sm_conn = SmcOpenConnection(NULL, NULL, 1, 0,
                                 SmcSaveYourselfProcMask |
@@ -180,13 +187,13 @@ static gboolean session_connect()
                                 &cb, oldid, &ob_sm_id,
                                 SM_ERR_LEN-1, sm_err);
     g_free(oldid);
-    ob_debug_type(OB_DEBUG_SM, "Connected to SM with id: %s\n", ob_sm_id);
+    ob_debug_type(OB_DEBUG_SM, "Connected to SM with id: %s", ob_sm_id);
     if (sm_conn == NULL)
-        ob_debug("Failed to connect to session manager: %s\n", sm_err);
+        ob_debug("Failed to connect to session manager: %s", sm_err);
     return sm_conn != NULL;
 }
 
-static void session_setup_program()
+static void session_setup_program(void)
 {
     SmPropValue vals = {
         .value = sm_argv[0],
@@ -199,13 +206,13 @@ static void session_setup_program()
         .vals = &vals
     };
     SmProp *list = &prop;
-    ob_debug_type(OB_DEBUG_SM, "Setting program: %s\n", sm_argv[0]);
+    ob_debug_type(OB_DEBUG_SM, "Setting program: %s", sm_argv[0]);
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
     g_free(prop.type);
 }
 
-static void session_setup_user()
+static void session_setup_user(void)
 {
     char *user = g_strdup(g_get_user_name());
 
@@ -220,7 +227,7 @@ static void session_setup_user()
         .vals = &vals
     };
     SmProp *list = &prop;
-    ob_debug_type(OB_DEBUG_SM, "Setting user: %s\n", user);
+    ob_debug_type(OB_DEBUG_SM, "Setting user: %s", user);
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
     g_free(prop.type);
@@ -242,13 +249,13 @@ static void session_setup_restart_style(gboolean restart)
         .vals = &vals
     };
     SmProp *list = &prop;
-    ob_debug_type(OB_DEBUG_SM, "Setting restart: %d\n", restart);
+    ob_debug_type(OB_DEBUG_SM, "Setting restart: %d", restart);
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
     g_free(prop.type);
 }
 
-static void session_setup_pid()
+static void session_setup_pid(void)
 {
     gchar *pid = g_strdup_printf("%ld", (glong) getpid());
 
@@ -263,7 +270,7 @@ static void session_setup_pid()
         .vals = &vals
     };
     SmProp *list = &prop;
-    ob_debug_type(OB_DEBUG_SM, "Setting pid: %s\n", pid);
+    ob_debug_type(OB_DEBUG_SM, "Setting pid: %s", pid);
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
     g_free(prop.type);
@@ -271,7 +278,7 @@ static void session_setup_pid()
 }
 
 /*! This is a gnome-session-manager extension */
-static void session_setup_priority()
+static void session_setup_priority(void)
 {
     gchar priority = 20; /* 20 is a lower prioity to run before other apps */
 
@@ -286,13 +293,13 @@ static void session_setup_priority()
         .vals = &vals
     };
     SmProp *list = &prop;
-    ob_debug_type(OB_DEBUG_SM, "Setting priority: %d\n", priority);
+    ob_debug_type(OB_DEBUG_SM, "Setting priority: %d", priority);
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
     g_free(prop.type);
 }
 
-static void session_setup_clone_command()
+static void session_setup_clone_command(void)
 {
     gint i;
 
@@ -305,11 +312,11 @@ static void session_setup_clone_command()
     };
     SmProp *list = &prop;
 
-    ob_debug_type(OB_DEBUG_SM, "Setting clone command: (%d)\n", sm_argc);
+    ob_debug_type(OB_DEBUG_SM, "Setting clone command: (%d)", sm_argc);
     for (i = 0; i < sm_argc; ++i) {
         vals[i].value = sm_argv[i];
         vals[i].length = strlen(sm_argv[i]) + 1;
-        ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i].value);
+        ob_debug_type(OB_DEBUG_SM, "    %s", vals[i].value);
     }
 
     SmcSetProperties(sm_conn, 1, &list);
@@ -318,7 +325,7 @@ static void session_setup_clone_command()
     g_free(vals);
 }
 
-static void session_setup_restart_command()
+static void session_setup_restart_command(void)
 {
     gint i;
 
@@ -331,26 +338,26 @@ static void session_setup_restart_command()
     };
     SmProp *list = &prop;
 
-    ob_debug_type(OB_DEBUG_SM, "Setting restart command: (%d)\n", sm_argc+4);
+    ob_debug_type(OB_DEBUG_SM, "Setting restart command: (%d)", sm_argc+4);
     for (i = 0; i < sm_argc; ++i) {
         vals[i].value = sm_argv[i];
         vals[i].length = strlen(sm_argv[i]) + 1;
-        ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i].value);
+        ob_debug_type(OB_DEBUG_SM, "    %s", vals[i].value);
     }
 
     vals[i].value = g_strdup("--sm-client-id");
     vals[i].length = strlen("--sm-client-id") + 1;
     vals[i+1].value = ob_sm_id;
     vals[i+1].length = strlen(ob_sm_id) + 1;
-    ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i].value);
-    ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i+1].value);
+    ob_debug_type(OB_DEBUG_SM, "    %s", vals[i].value);
+    ob_debug_type(OB_DEBUG_SM, "    %s", vals[i+1].value);
 
     vals[i+2].value = g_strdup("--sm-save-file");
     vals[i+2].length = strlen("--sm-save-file") + 1;
     vals[i+3].value = ob_sm_save_file;
     vals[i+3].length = strlen(ob_sm_save_file) + 1;
-    ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i+2].value);
-    ob_debug_type(OB_DEBUG_SM, "    %s\n", vals[i+3].value);
+    ob_debug_type(OB_DEBUG_SM, "    %s", vals[i+2].value);
+    ob_debug_type(OB_DEBUG_SM, "    %s", vals[i+3].value);
 
     SmcSetProperties(sm_conn, 1, &list);
     g_free(prop.name);
@@ -360,9 +367,13 @@ static void session_setup_restart_command()
     g_free(vals);
 }
 
-static ObSMSaveData *sm_save_get_data()
+static ObSMSaveData *sm_save_get_data(void)
 {
     ObSMSaveData *savedata = g_new0(ObSMSaveData, 1);
+    /* save the active desktop and client.
+       we don't bother to preemptively save the other desktop state like
+       number and names of desktops, cuz those shouldn't be changing during
+       the save.. */
     savedata->focus_client = focus_client;
     savedata->desktop = screen_desktop;
     return savedata;
@@ -374,9 +385,9 @@ static void sm_save_yourself_2(SmcConn conn, SmPointer data)
     ObSMSaveData *savedata = data;
 
     /* save the current state */
-    ob_debug_type(OB_DEBUG_SM, "Session save phase 2 requested\n");
+    ob_debug_type(OB_DEBUG_SM, "Session save phase 2 requested");
     ob_debug_type(OB_DEBUG_SM,
-                  "  Saving session to file '%s'\n", ob_sm_save_file);
+                  "  Saving session to file '%s'", ob_sm_save_file);
     if (savedata == NULL)
         savedata = sm_save_get_data();
     success = session_save_to_file(savedata);
@@ -385,7 +396,7 @@ static void sm_save_yourself_2(SmcConn conn, SmPointer data)
     /* tell the session manager how to restore this state */
     if (success) session_setup_restart_command();
 
-    ob_debug_type(OB_DEBUG_SM, "Saving is done (success = %d)\n", success);
+    ob_debug_type(OB_DEBUG_SM, "Saving is done (success = %d)", success);
     SmcSaveYourselfDone(conn, success);
 }
 
@@ -396,10 +407,10 @@ static void sm_save_yourself(SmcConn conn, SmPointer data, gint save_type,
     ObSMSaveData *savedata = NULL;
     gchar *vendor;
 
-    ob_debug_type(OB_DEBUG_SM, "Session save requested\n");
+    ob_debug_type(OB_DEBUG_SM, "Session save requested");
 
     vendor = SmcVendor(sm_conn);
-    ob_debug_type(OB_DEBUG_SM, "Session manager's vendor: %s\n", vendor);
+    ob_debug_type(OB_DEBUG_SM, "Session manager's vendor: %s", vendor);
 
     if (!strcmp(vendor, "KDE")) {
         /* ksmserver guarantees that phase 1 will complete before allowing any
@@ -410,7 +421,7 @@ static void sm_save_yourself(SmcConn conn, SmPointer data, gint save_type,
     free(vendor);
 
     if (!SmcRequestSaveYourselfPhase2(conn, sm_save_yourself_2, savedata)) {
-        ob_debug_type(OB_DEBUG_SM, "Requst for phase 2 failed\n");
+        ob_debug_type(OB_DEBUG_SM, "Requst for phase 2 failed");
         g_free(savedata);
         SmcSaveYourselfDone(conn, FALSE);
     }
@@ -418,18 +429,18 @@ static void sm_save_yourself(SmcConn conn, SmPointer data, gint save_type,
 
 static void sm_die(SmcConn conn, SmPointer data)
 {
-    ob_debug_type(OB_DEBUG_SM, "Die requested\n");
+    ob_debug_type(OB_DEBUG_SM, "Die requested");
     ob_exit(0);
 }
 
 static void sm_save_complete(SmcConn conn, SmPointer data)
 {
-    ob_debug_type(OB_DEBUG_SM, "Save complete\n");
+    ob_debug_type(OB_DEBUG_SM, "Save complete");
 }
 
 static void sm_shutdown_cancelled(SmcConn conn, SmPointer data)
 {
-    ob_debug_type(OB_DEBUG_SM, "Shutdown cancelled\n");    
+    ob_debug_type(OB_DEBUG_SM, "Shutdown cancelled");
 }
 
 static gboolean session_save_to_file(const ObSMSaveData *savedata)
@@ -441,7 +452,7 @@ static gboolean session_save_to_file(const ObSMSaveData *savedata)
     f = fopen(ob_sm_save_file, "w");
     if (!f) {
         success = FALSE;
-        g_message(_("Unable to save the session to '%s': %s"),
+        g_message(_("Unable to save the session to \"%s\": %s"),
                   ob_sm_save_file, g_strerror(errno));
     } else {
         fprintf(f, "<?xml version=\"1.0\"?>\n\n");
@@ -449,6 +460,28 @@ static gboolean session_save_to_file(const ObSMSaveData *savedata)
 
         fprintf(f, "<desktop>%d</desktop>\n", savedata->desktop);
 
+        fprintf(f, "<numdesktops>%d</numdesktops>\n", screen_num_desktops);
+
+        fprintf(f, "<desktoplayout>\n");
+        fprintf(f, "  <orientation>%d</orientation>\n",
+                screen_desktop_layout.orientation);
+        fprintf(f, "  <startcorner>%d</startcorner>\n",
+                screen_desktop_layout.start_corner);
+        fprintf(f, "  <columns>%d</columns>\n",
+                screen_desktop_layout.columns);
+        fprintf(f, "  <rows>%d</rows>\n",
+                screen_desktop_layout.rows);
+        fprintf(f, "</desktoplayout>\n");
+
+        if (screen_desktop_names) {
+            gint i;
+
+            fprintf(f, "<desktopnames>\n");
+            for (i = 0; screen_desktop_names[i]; ++i)
+                fprintf(f, "  <name>%s</name>\n", screen_desktop_names[i]);
+            fprintf(f, "</desktopnames>\n");
+        }
+
         /* they are ordered top to bottom in stacking order */
         for (it = stacking_list; it; it = g_list_next(it)) {
             gint prex, prey, prew, preh;
@@ -465,18 +498,18 @@ static gboolean session_save_to_file(const ObSMSaveData *savedata)
 
             if (!c->sm_client_id) {
                 ob_debug_type(OB_DEBUG_SM, "Client %s does not have a "
-                              "session id set\n",
+                              "session id set",
                               c->title);
                 if (!c->wm_command) {
                     ob_debug_type(OB_DEBUG_SM, "Client %s does not have an "
                                   "oldskool wm_command set either. We won't "
-                                  "be saving its data\n",
+                                  "be saving its data",
                                   c->title);
                     continue;
                 }
             }
 
-            ob_debug_type(OB_DEBUG_SM, "Saving state for client %s\n",
+            ob_debug_type(OB_DEBUG_SM, "Saving state for client %s",
                           c->title);
 
             prex = c->area.x;
@@ -551,7 +584,7 @@ static gboolean session_save_to_file(const ObSMSaveData *savedata)
 
         if (fflush(f)) {
             success = FALSE;
-            g_message(_("Error while saving the session to '%s': %s"),
+            g_message(_("Error while saving the session to \"%s\": %s"),
                       ob_sm_save_file, g_strerror(errno));
         }
         fclose(f);
@@ -575,20 +608,20 @@ static void session_state_free(ObSessionState *state)
 
 static gboolean session_state_cmp(ObSessionState *s, ObClient *c)
 {
-    ob_debug_type(OB_DEBUG_SM, "Comparing client against saved state: \n");
-    ob_debug_type(OB_DEBUG_SM, "  client id: %s \n", c->sm_client_id);
-    ob_debug_type(OB_DEBUG_SM, "  client name: %s \n", c->name);
-    ob_debug_type(OB_DEBUG_SM, "  client class: %s \n", c->class);
-    ob_debug_type(OB_DEBUG_SM, "  client role: %s \n", c->role);
-    ob_debug_type(OB_DEBUG_SM, "  client type: %s \n", c->type);
-    ob_debug_type(OB_DEBUG_SM, "  client command: %s \n",
+    ob_debug_type(OB_DEBUG_SM, "Comparing client against saved state: ");
+    ob_debug_type(OB_DEBUG_SM, "  client id: %s ", c->sm_client_id);
+    ob_debug_type(OB_DEBUG_SM, "  client name: %s ", c->name);
+    ob_debug_type(OB_DEBUG_SM, "  client class: %s ", c->class);
+    ob_debug_type(OB_DEBUG_SM, "  client role: %s ", c->role);
+    ob_debug_type(OB_DEBUG_SM, "  client type: %", c->type);
+    ob_debug_type(OB_DEBUG_SM, "  client command: %s ",
                   c->wm_command ? c->wm_command : "(null)");
-    ob_debug_type(OB_DEBUG_SM, "  state id: %s \n", s->id);
-    ob_debug_type(OB_DEBUG_SM, "  state name: %s \n", s->name);
-    ob_debug_type(OB_DEBUG_SM, "  state class: %s \n", s->class);
-    ob_debug_type(OB_DEBUG_SM, "  state role: %s \n", s->role);
-    ob_debug_type(OB_DEBUG_SM, "  state type: %s \n", s->type);
-    ob_debug_type(OB_DEBUG_SM, "  state command: %s \n",
+    ob_debug_type(OB_DEBUG_SM, "  state id: %s ", s->id);
+    ob_debug_type(OB_DEBUG_SM, "  state name: %s ", s->name);
+    ob_debug_type(OB_DEBUG_SM, "  state class: %s ", s->class);
+    ob_debug_type(OB_DEBUG_SM, "  state role: %s ", s->role);
+    ob_debug_type(OB_DEBUG_SM, "  state type: %", s->type);
+    ob_debug_type(OB_DEBUG_SM, "  state command: %s ",
                   s->command ? s->command : "(null)");
 
     if ((c->sm_client_id && s->id && !strcmp(c->sm_client_id, s->id)) ||
@@ -623,76 +656,107 @@ GList* session_state_find(ObClient *c)
 
 static void session_load_file(const gchar *path)
 {
-    xmlDocPtr doc;
-    xmlNodePtr node, n;
+    ObtParseInst *i;
+    xmlNodePtr node, n, m;
+    GList *it, *inext;
 
-    if (!parse_load(path, "openbox_session", &doc, &node))
+    i = obt_parse_instance_new();
+
+    if (!obt_parse_load_file(i, path, "openbox_session")) {
+        obt_parse_instance_unref(i);
         return;
+    }
+    node = obt_parse_root(i);
+
+    if ((n = obt_parse_find_node(node->children, "desktop")))
+        session_desktop = obt_parse_node_int(n);
+
+    if ((n = obt_parse_find_node(node->children, "numdesktops")))
+        session_num_desktops = obt_parse_node_int(n);
+
+    if ((n = obt_parse_find_node(node->children, "desktoplayout"))) {
+        /* make sure they are all there for it to be valid */
+        if ((m = obt_parse_find_node(n->children, "orientation")))
+            session_desktop_layout.orientation = obt_parse_node_int(m);
+        if (m && (m = obt_parse_find_node(n->children, "startcorner")))
+            session_desktop_layout.start_corner = obt_parse_node_int(m);
+        if (m && (m = obt_parse_find_node(n->children, "columns")))
+            session_desktop_layout.columns = obt_parse_node_int(m);
+        if (m && (m = obt_parse_find_node(n->children, "rows")))
+            session_desktop_layout.rows = obt_parse_node_int(m);
+        session_desktop_layout_present = m != NULL;
+    }
 
-    if ((n = parse_find_node("desktop", node->children)))
-        session_desktop = parse_int(doc, n);
+    if ((n = obt_parse_find_node(node->children, "desktopnames"))) {
+        for (m = obt_parse_find_node(n->children, "name"); m;
+             m = obt_parse_find_node(m->next, "name"))
+        {
+            session_desktop_names = g_slist_append(session_desktop_names,
+                                                   obt_parse_node_string(m));
+        }
+    }
 
-    for (node = parse_find_node("window", node->children); node != NULL;
-         node = parse_find_node("window", node->next))
+    for (node = obt_parse_find_node(node->children, "window"); node != NULL;
+         node = obt_parse_find_node(node->next, "window"))
     {
         ObSessionState *state;
 
         state = g_new0(ObSessionState, 1);
 
-        if (!parse_attr_string("id", node, &state->id))
-            if (!parse_attr_string("command", node, &state->command))
+        if (!obt_parse_attr_string(node, "id", &state->id))
+            if (!obt_parse_attr_string(node, "command", &state->command))
             goto session_load_bail;
-        if (!(n = parse_find_node("name", node->children)))
+        if (!(n = obt_parse_find_node(node->children, "name")))
             goto session_load_bail;
-        state->name = parse_string(doc, n);
-        if (!(n = parse_find_node("class", node->children)))
+        state->name = obt_parse_node_string(n);
+        if (!(n = obt_parse_find_node(node->children, "class")))
             goto session_load_bail;
-        state->class = parse_string(doc, n);
-        if (!(n = parse_find_node("role", node->children)))
+        state->class = obt_parse_node_string(n);
+        if (!(n = obt_parse_find_node(node->children, "role")))
             goto session_load_bail;
-        state->role = parse_string(doc, n);
-        if (!(n = parse_find_node("windowtype", node->children)))
+        state->role = obt_parse_node_string(n);
+        if (!(n = obt_parse_find_node(node->children, "windowtype")))
             goto session_load_bail;
-        state->type = parse_int(doc, n);
-        if (!(n = parse_find_node("desktop", node->children)))
+        state->type = obt_parse_node_int(n);
+        if (!(n = obt_parse_find_node(node->children, "desktop")))
             goto session_load_bail;
-        state->desktop = parse_int(doc, n);
-        if (!(n = parse_find_node("x", node->children)))
+        state->desktop = obt_parse_node_int(n);
+        if (!(n = obt_parse_find_node(node->children, "x")))
             goto session_load_bail;
-        state->x = parse_int(doc, n);
-        if (!(n = parse_find_node("y", node->children)))
+        state->x = obt_parse_node_int(n);
+        if (!(n = obt_parse_find_node(node->children, "y")))
             goto session_load_bail;
-        state->y = parse_int(doc, n);
-        if (!(n = parse_find_node("width", node->children)))
+        state->y = obt_parse_node_int(n);
+        if (!(n = obt_parse_find_node(node->children, "width")))
             goto session_load_bail;
-        state->w = parse_int(doc, n);
-        if (!(n = parse_find_node("height", node->children)))
+        state->w = obt_parse_node_int(n);
+        if (!(n = obt_parse_find_node(node->children, "height")))
             goto session_load_bail;
-        state->h = parse_int(doc, n);
+        state->h = obt_parse_node_int(n);
 
         state->shaded =
-            parse_find_node("shaded", node->children) != NULL;
+            obt_parse_find_node(node->children, "shaded") != NULL;
         state->iconic =
-            parse_find_node("iconic", node->children) != NULL;
+            obt_parse_find_node(node->children, "iconic") != NULL;
         state->skip_pager =
-            parse_find_node("skip_pager", node->children) != NULL;
+            obt_parse_find_node(node->children, "skip_pager") != NULL;
         state->skip_taskbar =
-            parse_find_node("skip_taskbar", node->children) != NULL;
+            obt_parse_find_node(node->children, "skip_taskbar") != NULL;
         state->fullscreen =
-            parse_find_node("fullscreen", node->children) != NULL;
+            obt_parse_find_node(node->children, "fullscreen") != NULL;
         state->above =
-            parse_find_node("above", node->children) != NULL;
+            obt_parse_find_node(node->children, "above") != NULL;
         state->below =
-            parse_find_node("below", node->children) != NULL;
+            obt_parse_find_node(node->children, "below") != NULL;
         state->max_horz =
-            parse_find_node("max_horz", node->children) != NULL;
+            obt_parse_find_node(node->children, "max_horz") != NULL;
         state->max_vert =
-            parse_find_node("max_vert", node->children) != NULL;
+            obt_parse_find_node(node->children, "max_vert") != NULL;
         state->undecorated =
-            parse_find_node("undecorated", node->children) != NULL;
+            obt_parse_find_node(node->children, "undecorated") != NULL;
         state->focused =
-            parse_find_node("focused", node->children) != NULL;
-        
+            obt_parse_find_node(node->children, "focused") != NULL;
+
         /* save this. they are in the file in stacking order, so preserve
            that order here */
         session_saved_state = g_list_append(session_saved_state, state);
@@ -702,7 +766,51 @@ static void session_load_file(const gchar *path)
         session_state_free(state);
     }
 
-    xmlFreeDoc(doc);
+    /* Remove any duplicates.  This means that if two windows (or more) are
+       saved with the same session state, we won't restore a session for any
+       of them because we don't know what window to put what on. AHEM FIREFOX.
+
+       This is going to be an O(2^n) kind of operation unfortunately.
+    */
+    for (it = session_saved_state; it; it = inext) {
+        GList *jt, *jnext;
+        gboolean founddup = FALSE;
+        ObSessionState *s1 = it->data;
+
+        inext = g_list_next(it);
+
+        for (jt = g_list_next(it); jt; jt = jnext) {
+            ObSessionState *s2 = jt->data;
+            gboolean match;
+
+            jnext = g_list_next(jt);
+
+            if (s1->id && s2->id)
+                match = strcmp(s1->id, s2->id) == 0;
+            else if (s1->command && s2->command)
+                match = strcmp(s1->command, s2->command) == 0;
+            else
+                match = FALSE;
+
+            if (match &&
+                !strcmp(s1->name, s2->name) &&
+                !strcmp(s1->class, s2->class) &&
+                !strcmp(s1->role, s2->role))
+            {
+                session_state_free(s2);
+                session_saved_state =
+                    g_list_delete_link(session_saved_state, jt);
+                founddup = TRUE;
+            }
+        }
+
+        if (founddup) {
+            session_state_free(s1);
+            session_saved_state = g_list_delete_link(session_saved_state, it);
+        }
+    }
+
+    obt_parse_instance_unref(i);
 }
 
 #endif