save and restore the desktop number/layout/names in the session.

also fix a segfault in some debug prints, printing ints as strings!

openbox/screen.c

@@ -56,7 +56,7 @@ guint    screen_desktop;
 guint    screen_last_desktop;
 Size     screen_physical_size;
 gboolean screen_showing_desktop;
-DesktopLayout screen_desktop_layout;
+ObDesktopLayout screen_desktop_layout;
 gchar  **screen_desktop_names;
 Window   screen_support_win;
 Time     screen_desktop_user_time = CurrentTime;
@@ -306,7 +306,7 @@ void screen_startup(gboolean reconfig)
 {
     guint i, numnames;
     gchar **names;
-    GSList *it;
+    GSList *it, *namelist;
     guint32 d;
 
     desktop_cycle_popup = pager_popup_new(FALSE);
@@ -324,10 +324,12 @@ void screen_startup(gboolean reconfig)
     screen_resize();
 
     /* get the desktop names */
-    numnames = g_slist_length(config_desktops_names);
+    namelist = session_desktop_names ?
+        session_desktop_names : config_desktops_names;
+    numnames = g_slist_length(namelist);
     names = g_new(gchar*, numnames + 1);
     names[numnames] = NULL;
-    for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
+    for (i = 0, it = namelist; it; ++i, it = g_slist_next(it))
         names[i] = g_strdup(it->data);
 
     /* set the root window property */
@@ -337,7 +339,10 @@ void screen_startup(gboolean reconfig)
 
     /* set the number of desktops */
     screen_num_desktops = 0;
-    screen_set_num_desktops(config_desktops_num);
+    if (session_num_desktops)
+        screen_set_num_desktops(session_num_desktops);
+    else
+        screen_set_num_desktops(config_desktops_num);
 
     /* start on the current desktop when a wm was already running */
     if (PROP_GET32(RootWindow(ob_display, ob_screen),
@@ -357,7 +362,10 @@ void screen_startup(gboolean reconfig)
     PROP_SET32(RootWindow(ob_display, ob_screen),
                net_showing_desktop, cardinal, screen_showing_desktop);
 
-    screen_update_layout();
+    if (session_desktop_layout_present)
+        screen_desktop_layout = session_desktop_layout;
+    else
+        screen_update_layout();
 }
 
 void screen_shutdown(gboolean reconfig)

openbox/screen.h

@@ -41,13 +41,13 @@ extern Window screen_support_win;
 /*! The last time at which the user changed desktops */
 extern Time screen_desktop_user_time;
 
-typedef struct DesktopLayout {
+typedef struct ObDesktopLayout {
     ObOrientation orientation;
     ObCorner start_corner;
     guint rows;
     guint columns;
-} DesktopLayout;
+} ObDesktopLayout;
-extern DesktopLayout screen_desktop_layout;
+extern ObDesktopLayout screen_desktop_layout;
 
 /*! An array of gchar*'s which are desktop names in UTF-8 format */
 extern gchar **screen_desktop_names;

openbox/session.c

@@ -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) {}
@@ -36,7 +40,6 @@ GList* session_state_find(struct _ObClient *c) { return NULL; }
 #include "client.h"
 #include "prop.h"
 #include "focus.h"
-#include "screen.h"
 #include "gettext.h"
 #include "parser/parse.h"
 
@@ -363,6 +366,10 @@ static void session_setup_restart_command()
 static ObSMSaveData *sm_save_get_data()
 {
     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;
@@ -449,6 +456,28 @@ 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;
@@ -580,14 +609,14 @@ static gboolean session_state_cmp(ObSessionState *s, ObClient *c)
     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 type: %d \n", c->type);
     ob_debug_type(OB_DEBUG_SM, "  client command: %s \n",
                   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 type: %d \n", s->type);
     ob_debug_type(OB_DEBUG_SM, "  state command: %s \n",
                   s->command ? s->command : "(null)");
 
@@ -624,7 +653,7 @@ GList* session_state_find(ObClient *c)
 static void session_load_file(const gchar *path)
 {
     xmlDocPtr doc;
-    xmlNodePtr node, n;
+    xmlNodePtr node, n, m;
     GList *it, *inext;
 
     if (!parse_load(path, "openbox_session", &doc, &node))
@@ -633,6 +662,31 @@ static void session_load_file(const gchar *path)
     if ((n = parse_find_node("desktop", node->children)))
         session_desktop = parse_int(doc, n);
 
+    if ((n = parse_find_node("numdesktops", node->children)))
+        session_num_desktops = parse_int(doc, n);
+
+    if ((n = parse_find_node("desktoplayout", node->children))) {
+        /* make sure they are all there for it to be valid */
+        if ((m = parse_find_node("orientation", n->children)))
+            session_desktop_layout.orientation = parse_int(doc, m);
+        if (m && (m = parse_find_node("startcorner", n->children)))
+            session_desktop_layout.start_corner = parse_int(doc, m);
+        if (m && (m = parse_find_node("columns", n->children)))
+            session_desktop_layout.columns = parse_int(doc, m);
+        if (m && (m = parse_find_node("rows", n->children)))
+            session_desktop_layout.rows = parse_int(doc, m);
+        session_desktop_layout_present = m != NULL;
+    }
+
+    if ((n = parse_find_node("desktopnames", node->children))) {
+        for (m = parse_find_node("name", n->children); m;
+             m = parse_find_node("name", m->next))
+        {
+            session_desktop_names = g_slist_append(session_desktop_names,
+                                                   parse_string(doc, m));
+        }
+    }
+
     for (node = parse_find_node("window", node->children); node != NULL;
          node = parse_find_node("window", node->next))
     {

openbox/session.h

@@ -20,6 +20,7 @@
 #define __ob__session_h
 
 #include "client.h"
+#include "screen.h"
 
 #include <glib.h>
 
@@ -40,6 +41,10 @@ struct _ObSessionState {
 /*! The desktop being viewed when the session was saved. A valud of -1 means
   it was not saved */
 extern gint session_desktop;
+extern gint session_num_desktops;
+extern gboolean session_desktop_layout_present;
+extern ObDesktopLayout session_desktop_layout;
+extern GSList *session_desktop_names;
 
 extern GList *session_saved_state;