Rewritten a cleaner way to dock panels.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@261 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

28 files changed, 636 insertions, 328 deletions

diff --git a/ChangeLog b/ChangeLog
index 4a9a1f9..667e23b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,52 @@
+12-08-20  Cyrille Bagard <nocbos@gmail.com>
+
+	* pixmaps/drop_bottom_hover.png:
+	* pixmaps/drop_bottom.png:
+	* pixmaps/drop_center_hover.png:
+	* pixmaps/drop_center.png:
+	* pixmaps/drop_left_hover.png:
+	* pixmaps/drop_left.png:
+	* pixmaps/drop_right_hover.png:
+	* pixmaps/drop_right.png:
+	* pixmaps/drop_top_hover.png:
+	* pixmaps/drop_top.png:
+	* pixmaps/dropwin_back.png:
+	Delete unused pictures.
+
+	* pixmaps/Makefile.am:
+	Handle the new 'welcome.png' picture.
+
+	* pixmaps/welcome.png:
+	Create a background for the welcome panel.
+
+	* src/editor.c:
+	Disable old code which was still displayed.
+
+	* src/gui/menus/file.c:
+	* src/gui/panels/log.c:
+	* src/gui/panels/log.h:
+	Update code when loading panels.
+
+	* src/gui/panels/Makefile.am:
+	Add the 'welcome.[ch]' files to libguipanels_la_SOURCES.
+
+	* src/gui/panels/panel.c:
+	* src/gui/panels/panel.h:
+	* src/gui/panels/panel-int.h:
+	Rewrite a cleaner way to dock panels.
+
+	* src/gui/panels/symbols.h:
+	Typo.
+
+	* src/gui/panels/welcome.c:
+	* src/gui/panels/welcome.h:
+	New entries: provide a welcome panel for empty startup.
+
+	* src/main.c:
+	* src/project.c:
+	* src/project.h:
+	Update code when loading panels.
+
 12-08-17  Cyrille Bagard <nocbos@gmail.com>
 
 	* src/gtkext/gtkdockpanel.c:
diff --git a/pixmaps/Makefile.am b/pixmaps/Makefile.am
index bc88f48..2029a8a 100644
--- a/pixmaps/Makefile.am
+++ b/pixmaps/Makefile.am
@@ -29,6 +29,9 @@ LIST_ICONS =							\
 	symbol_package.png					\
 	symbol_routine_classic.png
 
+MISC =									\
+	welcome.png
+
 EXTRA_DIST =							\
 	breakpoint_disabled.png				\
 	breakpoint_normal.png				\
@@ -37,8 +40,8 @@ EXTRA_DIST =							\
 	$(REVISION_PIX)						\
 	$(TOOLBAR_BUTTONS)					\
 	$(LIST_ICONS)						\
-	dropwin_back.png
+	$(MISC)
 
 oidapixdir = $(datadir)/openida
 
-oidapix_DATA = dropwin_back.png $(APP_ICONS) $(REVISION_PIX) $(TOOLBAR_BUTTONS) $(LIST_ICONS)
+oidapix_DATA = $(APP_ICONS) $(REVISION_PIX) $(TOOLBAR_BUTTONS) $(LIST_ICONS) $(MISC)
diff --git a/pixmaps/drop_bottom.png b/pixmaps/drop_bottom.png
deleted file mode 100644
index e141d87..0000000
--- a/pixmaps/drop_bottom.png
+++ /dev/null
diff --git a/pixmaps/drop_bottom_hover.png b/pixmaps/drop_bottom_hover.png
deleted file mode 100644
index 645b437..0000000
--- a/pixmaps/drop_bottom_hover.png
+++ /dev/null
diff --git a/pixmaps/drop_center.png b/pixmaps/drop_center.png
deleted file mode 100644
index a47901b..0000000
--- a/pixmaps/drop_center.png
+++ /dev/null
diff --git a/pixmaps/drop_center_hover.png b/pixmaps/drop_center_hover.png
deleted file mode 100644
index b589d50..0000000
--- a/pixmaps/drop_center_hover.png
+++ /dev/null
diff --git a/pixmaps/drop_left.png b/pixmaps/drop_left.png
deleted file mode 100644
index b4668ee..0000000
--- a/pixmaps/drop_left.png
+++ /dev/null
diff --git a/pixmaps/drop_left_hover.png b/pixmaps/drop_left_hover.png
deleted file mode 100644
index e240b49..0000000
--- a/pixmaps/drop_left_hover.png
+++ /dev/null
diff --git a/pixmaps/drop_right.png b/pixmaps/drop_right.png
deleted file mode 100644
index f46792b..0000000
--- a/pixmaps/drop_right.png
+++ /dev/null
diff --git a/pixmaps/drop_right_hover.png b/pixmaps/drop_right_hover.png
deleted file mode 100644
index 102eb6c..0000000
--- a/pixmaps/drop_right_hover.png
+++ /dev/null
diff --git a/pixmaps/drop_top.png b/pixmaps/drop_top.png
deleted file mode 100644
index 4435134..0000000
--- a/pixmaps/drop_top.png
+++ /dev/null
diff --git a/pixmaps/drop_top_hover.png b/pixmaps/drop_top_hover.png
deleted file mode 100644
index 281e793..0000000
--- a/pixmaps/drop_top_hover.png
+++ /dev/null
diff --git a/pixmaps/dropwin_back.png b/pixmaps/dropwin_back.png
deleted file mode 100644
index bd962b9..0000000
--- a/pixmaps/dropwin_back.png
+++ /dev/null
diff --git a/pixmaps/welcome.png b/pixmaps/welcome.png
new file mode 100644
index 0000000..5c312fb
--- /dev/null
+++ b/pixmaps/welcome.png
diff --git a/src/editor.c b/src/editor.c
index 3c861d1..81feb14 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -286,7 +286,7 @@ GtkWidget *create_editor(void)
 
     menuboard = gtk_menu_bar_new();
     gtk_widget_show(menuboard);
-    gtk_box_pack_start(GTK_BOX(vbox1), menuboard, FALSE, FALSE, 0);
+    //gtk_box_pack_start(GTK_BOX(vbox1), menuboard, FALSE, FALSE, 0);
 
     /* Affichage */
 
@@ -397,7 +397,7 @@ GtkWidget *create_editor(void)
 
 
 
-#if 1
+#if 0
   vpaned1 = gtk_vpaned_new ();
   gtk_widget_show (vpaned1);
   //gtk_box_pack_start (GTK_BOX (vbox1), vpaned1, TRUE, TRUE, 0);
diff --git a/src/gui/menus/file.c b/src/gui/menus/file.c
index 8d218c1..3c204e0 100644
--- a/src/gui/menus/file.c
+++ b/src/gui/menus/file.c
@@ -34,10 +34,10 @@
 
 
 /* Réagit au menu "Fichier -> Nouveau projet". */
-static void mcb_file_new_project(GtkMenuItem *, gpointer);
+static void mcb_file_new_project(GtkMenuItem *, GObject *);
 
 /* Réagit au menu "Fichier -> Ouvrir un projet". */
-static void mcb_file_open_project(GtkMenuItem *, gpointer);
+static void mcb_file_open_project(GtkMenuItem *, GObject *);
 
 /* Réagit au menu "Fichier -> Enregistrer le projet". */
 static void mcb_file_save_project(GtkMenuItem *, gpointer);
@@ -130,7 +130,7 @@ GtkWidget *build_menu_file(GObject *ref, GtkAccelGroup *accgroup)
 /******************************************************************************
 *                                                                             *
 *  Paramètres  : menuitem = élément de menu sélectionné.                      *
-*                data     = adresse de l'espace de référencement global.      *
+*                ref      = adresse de l'espace de référencement global.      *
 *                                                                             *
 *  Description : Réagit au menu "Fichier -> Nouveau projet".                  *
 *                                                                             *
@@ -140,11 +140,11 @@ GtkWidget *build_menu_file(GObject *ref, GtkAccelGroup *accgroup)
 *                                                                             *
 ******************************************************************************/
 
-static void mcb_file_new_project(GtkMenuItem *menuitem, gpointer data)
+static void mcb_file_new_project(GtkMenuItem *menuitem, GObject *ref)
 {
     GStudyProject *project;                 /* Nouveau projet courant      */
 
-    project = g_study_project_new();
+    project = g_study_project_new(ref);
 
     set_current_project(project);
 
@@ -156,7 +156,7 @@ static void mcb_file_new_project(GtkMenuItem *menuitem, gpointer data)
 /******************************************************************************
 *                                                                             *
 *  Paramètres  : menuitem = élément de menu sélectionné.                      *
-*                data     = adresse de l'espace de référencement global.      *
+*                ref      = adresse de l'espace de référencement global.      *
 *                                                                             *
 *  Description : Réagit au menu "Fichier -> Ouvrir un projet".                *
 *                                                                             *
@@ -166,13 +166,13 @@ static void mcb_file_new_project(GtkMenuItem *menuitem, gpointer data)
 *                                                                             *
 ******************************************************************************/
 
-static void mcb_file_open_project(GtkMenuItem *menuitem, gpointer data)
+static void mcb_file_open_project(GtkMenuItem *menuitem, GObject *ref)
 {
     GtkWidget *dialog;                      /* Boîte à afficher            */
     GStudyProject *project;                 /* Projet chargé               */
     gchar *filename;                        /* Nom du fichier à intégrer   */
 
-    dialog = gtk_file_chooser_dialog_new(_("Open a project"), GTK_WINDOW(data),
+    dialog = gtk_file_chooser_dialog_new(_("Open a project"), GTK_WINDOW(ref),
                                          GTK_FILE_CHOOSER_ACTION_OPEN,
                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                          GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
@@ -188,7 +188,7 @@ static void mcb_file_open_project(GtkMenuItem *menuitem, gpointer data)
     {
         filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 
-        project = g_study_project_open(filename);
+        project = g_study_project_open(ref, filename);
 
         if (project != NULL)
         {
diff --git a/src/gui/panels/Makefile.am b/src/gui/panels/Makefile.am
index 0d43844..2678d54 100644
--- a/src/gui/panels/Makefile.am
+++ b/src/gui/panels/Makefile.am
@@ -4,7 +4,8 @@ noinst_LTLIBRARIES  = libguipanels.la
 libguipanels_la_SOURCES =				\
 	log.h log.c							\
 	panel.h panel.c						\
-	symbols.h symbols.c
+	symbols.h symbols.c					\
+	welcome.h welcome.c
 
 libguipanels_la_LDFLAGS = 
 
diff --git a/src/gui/panels/log.c b/src/gui/panels/log.c
index 6bda922..0baa3a4 100644
--- a/src/gui/panels/log.c
+++ b/src/gui/panels/log.c
@@ -50,7 +50,7 @@ static GtkWidget *build_log_panel(void);
 
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : -                                                            *
+*  Paramètres  : ref = espace de référencement global.                        *
 *                                                                             *
 *  Description : Construit le panneau d'affichage des messages système.       *
 *                                                                             *
@@ -60,14 +60,14 @@ static GtkWidget *build_log_panel(void);
 *                                                                             *
 ******************************************************************************/
 
-GPanelItem *create_log_panel(void)
+GPanelItem *create_log_panel(GObject *ref)
 {
     GEditorItem *result;                    /* Elément réactif à renvoyer  */
     GtkWidget *panel;                       /* Composant GTK visuel        */
 
     panel = build_log_panel();
 
-    result = g_panel_item_new(PANEL_LOG_ID, _("Misc information"), panel, "S");
+    result = g_panel_item_new(ref, PANEL_LOG_ID, _("Misc information"), panel, "S");
 
     return G_PANEL_ITEM(result);
 
diff --git a/src/gui/panels/log.h b/src/gui/panels/log.h
index 264078c..4644d76 100644
--- a/src/gui/panels/log.h
+++ b/src/gui/panels/log.h
@@ -55,7 +55,7 @@ typedef enum _LogMessageType
 
 
 /* Construit le panneau d'affichage des messages système. */
-GPanelItem *create_log_panel(void);
+GPanelItem *create_log_panel(GObject *);
 
 /* Affiche un message dans le journal des messages système. */
 void log_simple_message(LogMessageType, const char *);
diff --git a/src/gui/panels/panel-int.h b/src/gui/panels/panel-int.h
index 133f1a3..e1c8932 100644
--- a/src/gui/panels/panel-int.h
+++ b/src/gui/panels/panel-int.h
@@ -51,6 +51,35 @@ struct _GPanelItem
 };
 
 
+/* Elément de la hiérarchie des panneaux */
+typedef struct _panel_node
+{
+    struct _panel_node *parent;             /* Noeud parent                */
+
+    char path;                              /* Chemin du nom courant       */
+    size_t depth;                           /* Profondeur utilisée         */
+
+    bool simple;                            /* Noeud sans division         */
+
+    union
+    {
+        GtkWidget *station;                 /* Station d'accueil simple    */
+
+        struct
+        {
+            GtkWidget *paned;               /* Station d'accueil composée  */
+            struct _panel_node *first;      /* Premier sous élément        */
+            struct _panel_node *second;     /* Second sous élément         */
+        };
+
+    };
+
+} panel_node;
+
+
+#define GET_PANEL_NODE_WIDGET(node) (node->simple ? node->station : node->paned)
+
+
 /* Elément réactif pour panneaux de l'éditeur (classe) */
 struct _GPanelItemClass
 {
diff --git a/src/gui/panels/panel.c b/src/gui/panels/panel.c
index b13c074..f70a1ab 100644
--- a/src/gui/panels/panel.c
+++ b/src/gui/panels/panel.c
@@ -32,6 +32,7 @@
 #include "log.h"
 #include "panel-int.h"
 #include "symbols.h"
+#include "welcome.h"
 #include "../../gtkext/easygtk.h"
 #include "../../gtkext/gtkdockstation.h"
 
@@ -39,6 +40,7 @@
 
 /* Support de fond pour les composants. */
 static GtkWidget *_support;
+static panel_node *_nodes = NULL;
 
 /* Procédure à appeler lors des changements de panneaux. */
 static GCallback _handler;
@@ -54,20 +56,28 @@ static void g_panel_item_class_init(GPanelItemClass *);
 /* Initialise une instance d'élément réactif pour l'éditeur. */
 static void g_panel_item_init(GPanelItem *);
 
-/* Renvoie un élément du chemin d'insertion du panneau. */
-static char g_panel_item_get_path_at(GPanelItem *, size_t);
 
-/* Détermine le support faisant office d'étendue donnée. */
-static GtkWidget *get_panel_given_part(GtkWidget *, size_t, char);
 
-/* Fournit le premier morceau de chemin rencontré. */
-static char get_first_path_found(GtkWidget *, size_t);
+/* ---------------------- MECANISMES DE PLACEMENT DES PANNEAUX ---------------------- */
 
-/* Introduit une nouvelle division sur le support indiqué. */
-static void create_panel_division(GtkWidget *, GtkWidget *, const char *, GtkWidget *, const char *, char);
 
-/* Place un panneau dans l'ensemble affiché. */
-static void _g_panel_item_dock(GtkWidget *, GEditorItem *, const char *, size_t);
+/* Crée un nouveau noeud pour un panneau particulier. */
+static panel_node *create_simple_panel_node_for_item(GPanelItem *, const char *, size_t);
+
+/* Prépare une nouvelle sous-division pour deux panneaux. */
+static void switch_panel_node_into_paned(panel_node *, bool, bool);
+
+/* Met en place un nouveau noeud dans une division. */
+static void attach_panel_node_to_paned(panel_node *, panel_node *, bool);
+
+/* Indique si un noeud correspond à la branche recherchée. */
+static bool is_panel_node_matching(const panel_node *, char);
+
+/* Place au bon endroit un panneau donné. */
+static void insert_item_as_panel_node(GPanelItem *, panel_node *, const char *, size_t);
+
+/* Met à jour l'affichage suite à un changement hiérarchique. */
+static void rebuild_panels_interface(const panel_node *);
 
 
 
@@ -168,43 +178,19 @@ void g_panel_item_init_ext(GPanelItem *item, GObject *ref, const char *name, con
 *                                                                             *
 ******************************************************************************/
 
-GEditorItem *g_panel_item_new(const char *name, const char *lname, GtkWidget *widget, const char *path)
+GEditorItem *g_panel_item_new(GObject *ref, const char *name, const char *lname, GtkWidget *widget, const char *path)
 {
     GPanelItem *result;                     /* Structure à retourner       */
 
     result = g_object_new(G_TYPE_PANEL_ITEM, NULL);
 
-    g_panel_item_init_ext(result, NULL/* FIXME */, name, lname, widget, path);
+    g_panel_item_init_ext(result, ref, name, lname, widget, path);
 
     return G_EDITOR_ITEM(result);
 
 }
 
 
-
-/******************************************************************************
-*                                                                             *
-*  Paramètres  : item = composant d'affichage à consulter.                    *
-*                pos  = position de la tête de lecture dans le chemin.        *
-*                                                                             *
-*  Description : Renvoie un élément du chemin d'insertion du panneau.         *
-*                                                                             *
-*  Retour      : Lettre caractéristique ou '\0'.                              *
-*                                                                             *
-*  Remarques   : -                                                            *
-*                                                                             *
-******************************************************************************/
-
-static char g_panel_item_get_path_at(GPanelItem *item, size_t pos)
-{
-    if (pos >= strlen(item->path))
-        return '\0';
-    else
-        return item->path[pos];
-
-}
-
-
 /******************************************************************************
 *                                                                             *
 *  Paramètres  : name = désignation courte servant de clef.                   *
@@ -248,37 +234,13 @@ GPanelItem *g_panel_item_get(const char *name)
 
 void g_panel_item_dock(GPanelItem *item)
 {
-    GPanelItemClass *class;                 /* Encadrement global          */
-    GtkWidget *station;                     /* Premier support concentré   */
-    GEditorItem *editem;                    /* Autre vision des choses     */
-
-    class = G_PANEL_ITEM_GET_CLASS(item);
-
     /* Tout est à faire... */
-    if (class->first == NULL)
+    if (_nodes == NULL)
     {
-        /**
-         * Note : on crée ici un support qui ne sera jamais déplacé,
-         * laissant ainsi la variable 'class->first' pour les départs
-         * de parcours toujours valide sans effort.
-         */
-        class->first = GTK_BIN(qck_create_padded_alignment(0, 0, 0, 0));
-
-        gtk_widget_show(GTK_WIDGET(class->first));
-        gtk_container_add(GTK_CONTAINER(_support), GTK_WIDGET(class->first));
-
-        station = gtk_dock_station_new();
-        g_signal_connect(station, "switch-widget", _handler, _data);
-
-        gtk_widget_show(station);
-        gtk_container_add(GTK_CONTAINER(class->first), station);
-
-        editem = G_EDITOR_ITEM(item);
-        gtk_dock_panel_add_widget(GTK_DOCK_STATION(station),
-                                  editem->widget, editem->name);
-
+        _nodes = create_simple_panel_node_for_item(item, item->path, 0);
+        gtk_container_add(GTK_CONTAINER(_support), _nodes->station);
     }
-    else _g_panel_item_dock(gtk_bin_get_child(class->first), G_EDITOR_ITEM(item), item->path, 0);
+    else insert_item_as_panel_node(item, _nodes, item->path, 0);
 
 }
 
@@ -307,93 +269,110 @@ void g_panel_item_undock(GPanelItem *item)
 }
 
 
+
+/* ---------------------------------------------------------------------------------- */
+/*                         PLACEMENTS DES DIFFERENTS PANNEAUX                         */
+/* ---------------------------------------------------------------------------------- */
+
+
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : base   = support sujet à analyse.                            *
-*                pos    = position de la tête de lecture dans le chemin.      *
-*                target = indentifiant de positionnement recherché.           *
+*  Paramètres  : handler = procédure à réveiller en cas de changements.       *
+*                data    = donnée à faire suivre.                             *
 *                                                                             *
-*  Description : Détermine le support faisant office d'étendue donnée.        *
+*  Description : Prépare le terrain pour l'affichage central.                 *
 *                                                                             *
-*  Retour      : Composant en place retrouvé ou NULL si aucune correspondance.*
+*  Retour      : Composant de support sur lequel tout va se placer.           *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-static GtkWidget *get_panel_given_part(GtkWidget *base, size_t pos, char target)
+GtkWidget *init_panels2(GCallback handler, gpointer data)
 {
-    GtkWidget *result;                      /* Trouvaille à retourner      */
-    GtkWidget *widget;                      /* Autre composant présent     */
-    GPanelItem *item;                       /* Autre version de l'instance */
-    char path;                              /* Partie de chemin en place   */
+    GtkWidget *result;                      /* Support à retourner         */
 
-    if (GTK_IS_DOCK_STATION(base))
-    {
-        widget = gtk_dock_panel_get_widget(GTK_DOCK_STATION(base), 0);
-        item = G_PANEL_ITEM(g_object_get_data(G_OBJECT(widget), "pitem"));
+    result = qck_create_padded_alignment(0, 0, 0, 0);
+    gtk_widget_show(result);
 
-        path = g_panel_item_get_path_at(item, pos);
+    _support = result;
+    _handler = handler;
+    _data = data;
 
-        result = (path == target ? base : NULL);
+    return result;
 
-    }
-    else
-    {
-        widget = gtk_paned_get_child1(GTK_PANED(base));
-        result = get_panel_given_part(widget, pos, target);
+}
 
-        if (result == NULL)
-        {
-            widget = gtk_paned_get_child2(GTK_PANED(base));
-            result = get_panel_given_part(widget, pos, target);
-        }
 
-    }
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : ref = espace de référencement global.                        *
+*                                                                             *
+*  Description : Charge les principaux panneaux de l'éditeur.                 *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
 
-    return result;
+void load_main_panels(GObject *ref)
+{
+    GPanelItem *item;                       /* Panneau de base à charger   */
+
+    item = create_welcome_panel(ref);
+    g_panel_item_dock(item);
+
+    item = create_log_panel(ref);
+    g_panel_item_dock(item);
+
+    item = create_symbols_panel(ref);
+    g_panel_item_dock(item);
 
 }
 
 
+/* ---------------------------------------------------------------------------------- */
+/*                        MECANISMES DE PLACEMENT DES PANNEAUX                        */
+/* ---------------------------------------------------------------------------------- */
+
+
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : base = support sujet à analyse.                              *
-*                pos  = position de la tête de lecture dans le chemin.        *
+*  Paramètres  : item  = composant à présenter à l'affichage.                 *
+*                path  = partie du chemin représentée ici.                    *
+*                depth = profondeur du chemin utilisé.                        *
 *                                                                             *
-*  Description : Fournit le premier morceau de chemin rencontré.              *
+*  Description : Crée un nouveau noeud pour un panneau particulier.           *
 *                                                                             *
-*  Retour      : Premier élément de chemin rencontré.                         *
+*  Retour      : Structure d'accueil mise en place.                           *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-static char get_first_path_found(GtkWidget *base, size_t pos)
+static panel_node *create_simple_panel_node_for_item(GPanelItem *item, const char *path, size_t depth)
 {
-    char result;                            /* Trouvaille à retourner      */
-    GtkWidget *widget;                      /* Autre composant présent     */
-    GPanelItem *item;                       /* Autre version de l'instance */
+    panel_node *result;                     /* Structure à retourner       */
+    GtkWidget *station;                     /* Premier support concentré   */
+    GEditorItem *editem;                    /* Autre vision des choses     */
 
-    if (GTK_IS_DOCK_STATION(base))
-    {
-        widget = gtk_dock_panel_get_widget(GTK_DOCK_STATION(base), 0);
-        item = G_PANEL_ITEM(g_object_get_data(G_OBJECT(widget), "pitem"));
+    result = (panel_node *)calloc(1, sizeof(panel_node));
 
-        result = g_panel_item_get_path_at(item, pos);
+    result->path = path[depth];
+    result->depth = depth;
 
-    }
-    else
-    {
-        /**
-         * A un certain niveau, si deux éléments sont groupés,
-         * c'est qu'ils ont une base commune ! On ne parcourt donc
-         * que le premier d'entre eux.
-         */
-        widget = gtk_paned_get_child1(GTK_PANED(base));
-        result = get_first_path_found(widget, pos);
+    result->simple = true;
 
-    }
+    station = gtk_dock_station_new();
+    g_signal_connect(station, "switch-widget", _handler, _data);
+    gtk_widget_show(station);
+
+    result->station = station;
+
+    editem = G_EDITOR_ITEM(item);
+    gtk_dock_panel_add_widget(GTK_DOCK_STATION(station),
+                              editem->widget, editem->name);
 
     return result;
 
@@ -402,14 +381,11 @@ static char get_first_path_found(GtkWidget *base, size_t pos)
 
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : parent      = support où placer la nouvelle division.        *
-*                child1      = composant GTK à placer en position 1.          *
-*                name1       = éventuelle désignation en cas d'isolement.     *
-*                child2      = composant GTK à placer en position 2.          *
-*                name2       = éventuelle désignation en cas d'isolement.     *
-*                orientation = sens de la division.                           *
+*  Paramètres  : item  = composant à présenter à l'affichage.                 *
+*                horiz = indique le type d'orientation désiré.                *
+*                first = indication sur l'emplacement à utiliser.             *
 *                                                                             *
-*  Description : Introduit une nouvelle division sur le support indiqué.      *
+*  Description : Prépare une nouvelle sous-division pour deux panneaux.       *
 *                                                                             *
 *  Retour      : -                                                            *
 *                                                                             *
@@ -417,281 +393,282 @@ static char get_first_path_found(GtkWidget *base, size_t pos)
 *                                                                             *
 ******************************************************************************/
 
-static void create_panel_division(GtkWidget *parent, GtkWidget *child1, const char *name1, GtkWidget *child2, const char *name2, char orientation)
+static void switch_panel_node_into_paned(panel_node *current, bool horiz, bool first)
 {
-    unsigned int index;                     /* Indice de la réinsertion    */
-    bool resize;                            /* Redimensionnement à garder  */
-    GtkWidget *station;                     /* Nouvelle concentration      */
-    GtkWidget *paned;                       /* Nouveau support             */
+    panel_node *moved;                      /* Noeud descendu d'un étage   */
+    GtkWidget *widget;                      /* Composant à traiter         */
 
-    orientation = toupper(orientation);
+    /* Descend l'élément actuel */
 
-    /* Détermination de la localisation d'origine */
+    moved = (panel_node *)calloc(1, sizeof(panel_node));
 
-    if (GTK_IS_PANED(parent))
-    {
-        if (gtk_paned_get_child1(GTK_PANED(parent)) == child1
-            || gtk_paned_get_child1(GTK_PANED(parent)) == child2)
-        {
-            index = 1;
-            resize = GTK_PANED(parent)->child1_resize;
-        }
-        else
-        {
-            index = 2;
-            resize = GTK_PANED(parent)->child2_resize;
-        }
-    }
+    memcpy(moved, current, sizeof(panel_node));
+    moved->parent = current;
+
+    widget = GET_PANEL_NODE_WIDGET(current);
+
+    g_object_ref(G_OBJECT(widget));
+    gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(widget)), widget);
+
+    if (first)
+        current->first = moved;
     else
-    {
-        index = -1;
-        resize = false; /* Pour gcc (Debian 4.4.5-8) 4.4.5 */
-    }
+        current->second = moved;
 
-    gtk_widget_ref(name1 == NULL ? child1 : child2);
+    /* Achève la transformation */
 
-    gtk_container_remove(GTK_CONTAINER(parent), child2);
+    current->path = '\0';
 
-    /* Enrobages éventuels */
+    current->simple = false;
 
-    if (!GTK_IS_DOCK_STATION(child1))
-    {
-        station = gtk_dock_station_new();
-        g_signal_connect(station, "switch-widget", _handler, _data);
+    current->station = NULL;
 
-        gtk_widget_show(station);
-        gtk_dock_panel_add_widget(GTK_DOCK_STATION(station), child1, name1);
+    if (horiz)
+        current->paned = gtk_hpaned_new();
+    else
+        current->paned = gtk_vpaned_new();
 
-        child1 = station;
+    gtk_widget_show(current->paned);
 
-    }
+    /* Replace le composant d'origine */
 
-    if (!GTK_IS_DOCK_STATION(child2))
-    {
-        station = gtk_dock_station_new();
-        g_signal_connect(station, "switch-widget", _handler, _data);
+    if (first)
+        gtk_paned_add1(GTK_PANED(current->paned), widget);
+    else
+        gtk_paned_add2(GTK_PANED(current->paned), widget);
 
-        gtk_widget_show(station);
-        gtk_dock_panel_add_widget(GTK_DOCK_STATION(station), child2, name2);
+    g_object_unref(G_OBJECT(widget));
 
-        child2 = station;
+}
 
-    }
 
-    /* Insertion complète */
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : parent = noeud d'accueil pour le nouveau noeud.              *
+*                node   = nouveau noeud à intégrer dans l'ensemble.           *
+*                first  = indication sur l'emplacement à utiliser.            *
+*                                                                             *
+*  Description : Met en place un nouveau noeud dans une division.             *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void attach_panel_node_to_paned(panel_node *parent, panel_node *node, bool first)
+{
+    GtkWidget *widget;                      /* Composant à traiter         */
+
+    /* Raccordement hiérarchique */
 
-    if (orientation == 'N' || orientation == 'S')
-        paned = gtk_vpaned_new();
+    if (first)
+        parent->first = node;
     else
-        paned = gtk_hpaned_new();
+        parent->second = node;
 
-    gtk_widget_show(paned);
+    /* Raccordement graphique */
 
-    switch (index)
-    {
-        case 1:
-            gtk_paned_pack1(GTK_PANED(parent), paned, resize, FALSE);
-            break;
-        case 2:
-            gtk_paned_pack2(GTK_PANED(parent), paned, resize, FALSE);
-            break;
-        default:
-            gtk_container_add(GTK_CONTAINER(parent), paned);
-            break;
-    }
+    widget = GET_PANEL_NODE_WIDGET(node);
 
-    switch (orientation)
-    {
-        case 'N':
-            break;
-        case 'E':
-            gtk_paned_pack1(GTK_PANED(paned), child1, TRUE, FALSE);
-            gtk_paned_pack2(GTK_PANED(paned), child2, FALSE, FALSE);
-            gtk_paned_set_position(GTK_PANED(paned), 450);
-            break;
-        case 'S':
-            gtk_paned_pack1(GTK_PANED(paned), child1, TRUE, FALSE);
-            gtk_paned_pack2(GTK_PANED(paned), child2, FALSE, FALSE);
-            gtk_paned_set_position(GTK_PANED(paned), 350);
-            break;
-        case 'W':
-            break;
-    }
+    if (first)
+        gtk_paned_add1(GTK_PANED(parent->paned), widget);
+    else
+        gtk_paned_add2(GTK_PANED(parent->paned), widget);
 
 }
 
 
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : base = départ courant de la déscente.                        *
-*                item = composant à présenter à l'affichage.                  *
-*                path = chemin à consulter pour le placement idéal.           *
-*                pos  = position de la tête de lecture dans le chemin.        *
+*  Paramètres  : node   = noeud d'où lancer les recherches.                   *
+*                target = identifiant de la position visée.                   *
 *                                                                             *
-*  Description : Place un panneau dans l'ensemble affiché.                    *
+*  Description : Indique si un noeud correspond à la branche recherchée.      *
 *                                                                             *
-*  Retour      : -                                                            *
+*  Retour      : Bilan de l'évaluation.                                       *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-static void _g_panel_item_dock(GtkWidget *base, GEditorItem *item, const char *path, size_t pos)
+static bool is_panel_node_matching(const panel_node *node, char target)
 {
-    GtkWidget *part;                        /* Support principal détecté   */
-    GtkWidget *widget;                      /* Autre composant présent     */
-    GPanelItem *other;                      /* Autre version de l'instance */
-    char path_i;                            /* Partie de chemin à insérer  */
-    char path_o;                            /* Partie de chemin en place   */
-    GtkWidget *parent;                      /* Support supérieur           */
-    char sel_path;                          /* Chemin à appliquer          */
+    if (node->path == target)
+        return true;
 
+    if (node->simple)
+        return false;
 
-    //printf(" ============== PATH :: '%c' =======================\n", path[pos]);
+    return is_panel_node_matching(node->first, target)
+        || is_panel_node_matching(node->second, target);
 
-    part = get_panel_given_part(base, pos, path[pos]);
+}
 
 
-    //printf("-- trouve :: %p ( station ?= %d) ( base ?= %d)\n", part, GTK_IS_DOCK_STATION(part), GTK_IS_DOCK_STATION(base));
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : item  = composant à présenter à l'affichage.                 *
+*                node  = point d'insertion courant.                           *
+*                path  = partie du chemin représentée ici.                    *
+*                depth = profondeur du chemin utilisé.                        *
+*                                                                             *
+*  Description : Place au bon endroit un panneau donné.                       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
 
+static void insert_item_as_panel_node(GPanelItem *item, panel_node *node, const char *path, size_t depth)
+{
+    char div;                               /* Division demandée           */
+    bool horiz;                             /* Traduction en composant     */
+    bool first;                             /* Point d'insertion           */
+    panel_node *new;                        /* Nouveau noeud créé          */
+    panel_node *support;                    /* Noeud d'accueil désigné     */
 
-    if (GTK_IS_DOCK_STATION(part))
+    if (node->simple)
     {
+        /* Si on est sur la bonne voie... */
+        if (path[depth] == '\0' || path[depth] == node->path)
+        {
+            /* Le parcours s'arrête ici ! */
+            if (path[depth] == '\0' || path[depth + 1] == '\0')
+                gtk_dock_panel_add_widget(GTK_DOCK_STATION(node->station),
+                                          G_EDITOR_ITEM(item)->widget,
+                                          G_EDITOR_ITEM(item)->name);
 
+            /* On ne peut aller plus loin, on doit diviser... */
+            else
+            {
+                div = toupper(path[depth + 1]);
+                first = (div == 'E' || div == 'S');
+                horiz = (div == 'W' || div == 'E');
 
-        path_i = g_panel_item_get_path_at(G_PANEL_ITEM(item), pos);
+                switch_panel_node_into_paned(node, horiz, first);
 
-        widget = gtk_dock_panel_get_widget(GTK_DOCK_STATION(part), 0);
-        other = G_PANEL_ITEM(g_object_get_data(G_OBJECT(widget), "pitem"));
+                new = create_simple_panel_node_for_item(item, path, depth + 1);
 
-        path_o = g_panel_item_get_path_at(other, pos);
+                attach_panel_node_to_paned(node, new, !first);
 
-        //printf(" -- path -- '%c' vs '%c'\n", path_i, path_o);
+                rebuild_panels_interface(node);
 
+            }
 
-        if (path_i == path_o)
-            gtk_dock_panel_add_widget(GTK_DOCK_STATION(part), item->widget, item->name);
+        }
 
+        /* On ne peut aller plus loin, on doit diviser... */
         else
         {
-            /* On fait primer le chemin d'importance */
-            if (path_i == 'M' || (isupper(path_o) && !isupper(path_i)))
-                sel_path = path_o;
-            else
-                sel_path = path_i;
+            div = toupper(path[depth]);
+            first = (div == 'E' || div == 'S');
+            horiz = (div == 'W' || div == 'E');
 
-            parent = gtk_widget_get_parent(base);
-            create_panel_division(parent, item->widget, item->name, base, NULL, sel_path);
-        }
+            switch_panel_node_into_paned(node, horiz, first);
 
-    }
+            new = create_simple_panel_node_for_item(item, path, depth);
 
-    else if (GTK_IS_PANED(part))
-    {
+            attach_panel_node_to_paned(node, new, !first);
 
+            rebuild_panels_interface(node);
 
+        }
 
-        printf("Paf Paned !\n");
-        exit(0);
+    }
 
+    /* On regarde des autres côtés... */
 
-    }
+    else if (is_panel_node_matching(node->first, path[depth]))
+        insert_item_as_panel_node(item, node->first, path, depth + (node->first->simple ? 1 : 0));
 
-    /* Si on n'a rien trouvé, alors on redivise */
-    else /*if (part == NULL)*/
+    else if (is_panel_node_matching(node->second, path[depth]))
+        insert_item_as_panel_node(item, node->second, path, depth + (node->second->simple ? 1 : 0));
+
+    /* On doit diviser qqch... */
+    else
     {
-        if (!GTK_IS_DOCK_STATION(base))
+        /* Si l'élément doit passer en force */
+        if (isupper(path[depth]))
         {
-            path_i = get_first_path_found(gtk_paned_get_child1(GTK_PANED(base)), pos);
-            path_o = get_first_path_found(gtk_paned_get_child2(GTK_PANED(base)), pos);
+            div = path[depth];
+            first = (div == 'E' || div == 'S');
+            horiz = (div == 'W' || div == 'E');
 
-            if (path_i == 'M' || (isupper(path_o) && islower(path_i)))
-                base = gtk_paned_get_child1(GTK_PANED(base));
-            else
-                base = gtk_paned_get_child2(GTK_PANED(base));
+            switch_panel_node_into_paned(node, horiz, first);
 
-        }
+            new = create_simple_panel_node_for_item(item, path, depth);
 
-        path_i = g_panel_item_get_path_at(G_PANEL_ITEM(item), pos);
+            attach_panel_node_to_paned(node, new, !first);
 
-        widget = gtk_dock_panel_get_widget(GTK_DOCK_STATION(base), 0);
-        other = G_PANEL_ITEM(g_object_get_data(G_OBJECT(widget), "pitem"));
+            rebuild_panels_interface(node);
 
-        path_o = g_panel_item_get_path_at(other, pos);
+        }
 
-        /* On fait primer le chemin d'importance */
-        if (path_i == 'M' || (islower(path_i) && isupper(path_o)))
-            sel_path = path_o;
         else
-            sel_path = path_i;
-
-        //printf(" ++>> DIR :: '%c' vs '%c' => '%c'\n", path[pos], path_o, sel_path);
+        {
+            if (is_panel_node_matching(node->second, 'M'))
+                support = node->second;
+            else
+                support = node->first;
 
-        parent = gtk_widget_get_parent(base);
-        create_panel_division(parent, item->widget, item->name, base, NULL, sel_path);
+            div = toupper(path[depth]);
+            first = (div == 'E' || div == 'S');
+            horiz = (div == 'W' || div == 'E');
 
-    }
+            switch_panel_node_into_paned(support, horiz, first);
 
+            new = create_simple_panel_node_for_item(item, path, depth);
 
+            attach_panel_node_to_paned(support, new, !first);
 
-}
+            rebuild_panels_interface(support);
 
+        }
 
+    }
 
-/* ---------------------------------------------------------------------------------- */
-/*                         PLACEMENTS DES DIFFERENTS PANNEAUX                         */
-/* ---------------------------------------------------------------------------------- */
+}
 
 
 /******************************************************************************
 *                                                                             *
-*  Paramètres  : handler = procédure à réveiller en cas de changements.       *
-*                data    = donnée à faire suivre.                             *
+*  Paramètres  : current = point de départ de la réorganisation graphique.    *
 *                                                                             *
-*  Description : Prépare le terrain pour l'affichage central.                 *
+*  Description : Met à jour l'affichage suite à un changement hiérarchique.   *
 *                                                                             *
-*  Retour      : Composant de support sur lequel tout va se placer.           *
+*  Retour      : -                                                            *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-GtkWidget *init_panels2(GCallback handler, gpointer data)
+static void rebuild_panels_interface(const panel_node *current)
 {
-    GtkWidget *result;                      /* Support à retourner         */
-
-    result = qck_create_padded_alignment(0, 0, 0, 0);
-    gtk_widget_show(result);
-
-    _support = result;
-    _handler = handler;
-    _data = data;
+    GtkWidget *widget;                      /* Composant à traiter         */
+    panel_node *parent;                     /* Raccourci confortable       */
 
-    return result;
+    widget = GET_PANEL_NODE_WIDGET(current);
 
-}
+    /* On se trouve à la racine... */
+    if (current->parent == NULL)
+            gtk_container_add(GTK_CONTAINER(_support), widget);
 
+    /* Sinon, une sous-division ne peut venir que d'une division... */
+    else
+    {
+        /* BUG_ON(parent->simple) */
 
-/******************************************************************************
-*                                                                             *
-*  Paramètres  : ref = espace de référencement global.                        *
-*                                                                             *
-*  Description : Charge les principaux panneaux de l'éditeur.                 *
-*                                                                             *
-*  Retour      : -                                                            *
-*                                                                             *
-*  Remarques   : -                                                            *
-*                                                                             *
-******************************************************************************/
+        parent = current->parent;
 
-void load_main_panels(GObject *ref)
-{
-    GPanelItem *item;                       /* Panneau de base à charger   */
+        if (current == parent->first)
+            gtk_paned_add1(GTK_PANED(parent->paned), widget);
+        else
+            gtk_paned_add2(GTK_PANED(parent->paned), widget);
 
-    item = create_log_panel();
-    g_panel_item_dock(item);
+    }
 
-    item = create_symbols_panel(ref);
-    g_panel_item_dock(item);
+    //g_object_unref(G_OBJECT(widget));
 
 }
diff --git a/src/gui/panels/panel.h b/src/gui/panels/panel.h
index 893c48b..0dd25a9 100644
--- a/src/gui/panels/panel.h
+++ b/src/gui/panels/panel.h
@@ -49,7 +49,7 @@ typedef struct _GPanelItemClass GPanelItemClass;
 GType g_panel_item_get_type(void);
 
 /* Crée un élément de panneau réactif. */
-GEditorItem *g_panel_item_new(const char *, const char *, GtkWidget *, const char *);
+GEditorItem *g_panel_item_new(GObject *, const char *, const char *, GtkWidget *, const char *);
 
 /* Recherche un panneau à partir de son nom court. */
 GPanelItem *g_panel_item_get(const char *);
diff --git a/src/gui/panels/symbols.h b/src/gui/panels/symbols.h
index f18a2ea..182238a 100644
--- a/src/gui/panels/symbols.h
+++ b/src/gui/panels/symbols.h
@@ -33,7 +33,7 @@
 
 
 
-#define PANEL_SYMBOL_ID _("Symboles")
+#define PANEL_SYMBOL_ID _("Symbols")
 
 
 #define G_TYPE_SYMBOLS_PANEL               g_symbols_panel_get_type()
diff --git a/src/gui/panels/welcome.c b/src/gui/panels/welcome.c
new file mode 100644
index 0000000..018f12a
--- /dev/null
+++ b/src/gui/panels/welcome.c
@@ -0,0 +1,179 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * welcome.c - panneau d'affichage d'accueil
+ *
+ * Copyright (C) 2012 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "welcome.h"
+
+
+#include <string.h>
+#include <gtk/gtk.h>
+
+
+#include "panel-int.h"
+#include "../../gtkext/easygtk.h"
+#include "../../gtkext/support.h"
+
+
+
+/* -------------------------- PARTIE PRINCIPALE DU PANNEAU -------------------------- */
+
+
+/* Panneau d'aperçu de graphiques (instance) */
+struct _GWelcomePanel
+{
+    GPanelItem parent;                      /* A laisser en premier        */
+
+};
+
+
+/* Panneau d'aperçu de graphiques (classe) */
+struct _GWelcomePanelClass
+{
+    GPanelItemClass parent;                 /* A laisser en premier        */
+
+};
+
+
+/* Initialise la classe des panneaux d'accueil. */
+static void g_welcome_panel_class_init(GWelcomePanelClass *);
+
+/* Initialise une instance de panneau d'accueil. */
+static void g_welcome_panel_init(GWelcomePanel *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                            PARTIE PRINCIPALE DU PANNEAU                            */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type définit pour un panneau d'accueil. */
+G_DEFINE_TYPE(GWelcomePanel, g_welcome_panel, G_TYPE_PANEL_ITEM);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des panneaux d'accueil.                 *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_welcome_panel_class_init(GWelcomePanelClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : panel = instance à initialiser.                              *
+*                                                                             *
+*  Description : Initialise une instance de panneau d'accueil.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_welcome_panel_init(GWelcomePanel *panel)
+{
+    GtkWidget *support;                     /* Fond du panneau             */
+    GtkWidget *align;                       /* Alignement centré           */
+    gchar *filename;                        /* Chemin d'accès au fichier   */
+    GtkWidget *image;                       /* Image chargée               */
+    GEditorItem *base;                      /* Version basique d'instance  */
+
+    support = gtk_handle_box_new();
+    gtk_widget_modify_bg(support, GTK_STATE_NORMAL, &support->style->bg[GTK_STATE_NORMAL]);
+    gtk_widget_show(support);
+
+    align = gtk_alignment_new(0.5f, 0.5f, 0.0f, 0.0f);
+    gtk_widget_show(align);
+    gtk_container_add(GTK_CONTAINER(support), align);
+
+    filename = find_pixmap_file("welcome.png");
+    image = qck_create_image(NULL, NULL, filename);
+    gtk_container_add(GTK_CONTAINER(align), image);
+
+    base = G_EDITOR_ITEM(panel);
+    base->widget = support;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : ref = espace de référencement global.                        *
+*                                                                             *
+*  Description : Crée un panneau d'accueil.                                   *
+*                                                                             *
+*  Retour      : Adresse de la structure mise en place.                       *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GEditorItem *g_welcome_panel_new(GObject *ref)
+{
+    GEditorItem *result;                    /* Structure à retourner       */
+
+    result = g_object_new(G_TYPE_WELCOME_PANEL, NULL);
+
+    g_panel_item_init_ext(G_PANEL_ITEM(result), ref, PANEL_WELCOME_ID,
+                          _("Welcome"), G_EDITOR_ITEM(result)->widget, "M");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : ref = espace de référencement global.                        *
+*                                                                             *
+*  Description : Construit et intègre un panneau d'accueil.                   *
+*                                                                             *
+*  Retour      : Adresse du panneau mis en place.                             *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GPanelItem *create_welcome_panel(GObject *ref)
+{
+    GEditorItem *result;                    /* Elément réactif à renvoyer  */
+
+    result = g_welcome_panel_new(ref);
+
+    /* Enregistre correctement le tout */
+    register_editor_item(result);
+
+    return G_PANEL_ITEM(result);
+
+}
diff --git a/src/gui/panels/welcome.h b/src/gui/panels/welcome.h
new file mode 100644
index 0000000..2bf5002
--- /dev/null
+++ b/src/gui/panels/welcome.h
@@ -0,0 +1,65 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * welcome.h - prototypes pour le panneau d'affichage d'accueil
+ *
+ * Copyright (C) 2012 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _GUI_PANELS_WELCOME_H
+#define _GUI_PANELS_WELCOME_H
+
+
+#include <i18n.h>
+
+
+#include "panel.h"
+
+
+
+#define PANEL_WELCOME_ID _("Welcome")
+
+
+#define G_TYPE_WELCOME_PANEL               g_welcome_panel_get_type()
+#define G_WELCOME_PANEL(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_welcome_panel_get_type(), GWelcomePanel))
+#define G_IS_WELCOME_PANEL(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_welcome_panel_get_type()))
+#define G_WELCOME_PANEL_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_WELCOME_PANEL, GWelcomePanelClass))
+#define G_IS_WELCOME_PANEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_WELCOME_PANEL))
+#define G_WELCOME_PANEL_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_WELCOME_PANEL, GWelcomePanelClass))
+
+
+/* Panneau d'affichage des symboles (instance) */
+typedef struct _GWelcomePanel GWelcomePanel;
+
+/* Panneau d'affichage des symboles (classe) */
+typedef struct _GWelcomePanelClass GWelcomePanelClass;
+
+
+/* Indique le type définit pour un panneau d'accueil. */
+GType g_welcome_panel_get_type(void);
+
+/* Crée un panneau d'accueil. */
+GEditorItem *g_welcome_panel_new(GObject *);
+
+/* Construit et intègre un panneau d'accueil. */
+GPanelItem *create_welcome_panel(GObject *);
+
+
+
+#endif  /* _GUI_PANELS_WELCOME_H */
diff --git a/src/main.c b/src/main.c
index f5d1592..fe99c93 100644
--- a/src/main.c
+++ b/src/main.c
@@ -149,8 +149,8 @@ int main(int argc, char **argv)
 
     filename = get_string_config_value(config, MPT_LAST_PROJECT);
 
-    if (filename == NULL) project = g_study_project_new();
-    else project = g_study_project_open(filename);
+    if (filename == NULL) project = g_study_project_new(G_OBJECT(editor));
+    else project = g_study_project_open(G_OBJECT(editor), filename);
 
     set_current_project(project);
 
diff --git a/src/project.c b/src/project.c
index c3c1844..37fc3e5 100644
--- a/src/project.c
+++ b/src/project.c
@@ -61,6 +61,8 @@ struct _GStudyProject
 {
     GObject parent;                         /* A laisser en premier        */
 
+    GObject *ref;                           /* Espace de référencement     */
+
     char *filename;                         /* Lieu d'enregistrement       */
 
     loaded_binary **binaries;               /* Fichiers binaires associés  */
@@ -148,12 +150,15 @@ static void g_study_project_init(GStudyProject *project)
 *                                                                             *
 ******************************************************************************/
 
-GStudyProject *g_study_project_new(void)
+GStudyProject *g_study_project_new(GObject *ref)
 {
     GStudyProject *result;                  /* Composant à retourner       */
 
     result = g_object_new(G_TYPE_STUDY_PROJECT, NULL);
 
+    g_object_ref(ref);
+    result->ref = ref;
+
     return result;
 
 }
@@ -171,7 +176,7 @@ GStudyProject *g_study_project_new(void)
 *                                                                             *
 ******************************************************************************/
 
-GStudyProject *g_study_project_open(const char *filename)
+GStudyProject *g_study_project_open(GObject *ref, const char *filename)
 {
     GStudyProject *result;                  /* Adresse à retourner         */
     xmlDocPtr xdoc;                         /* Structure XML chargée       */
@@ -184,7 +189,7 @@ GStudyProject *g_study_project_open(const char *filename)
 
     if (!open_xml_file(filename, &xdoc, &context)) return NULL;
 
-    result = g_study_project_new();
+    result = g_study_project_new(ref);
 
     result->filename = strdup(filename);
 
@@ -405,7 +410,7 @@ size_t g_study_project_attach_binary(GStudyProject *project, GLoadedBinary *bina
     scroll = loaded->scrollwindows[BVW_BLOCK];
     title = g_loaded_binary_get_filename(binary, false);
 
-    loaded->item = g_panel_item_new(title, title, scroll, "M");
+    loaded->item = g_panel_item_new(project->ref, title, title, scroll, "M");
 
     /* Enregistrement dans le projet */
 
diff --git a/src/project.h b/src/project.h
index de5badb..0665ec0 100644
--- a/src/project.h
+++ b/src/project.h
@@ -67,10 +67,10 @@ typedef struct _GStudyProjectClass GStudyProjectClass;
 GType g_study_project_get_type(void);
 
 /* Crée un nouveau projet vierge. */
-GStudyProject *g_study_project_new(void);
+GStudyProject *g_study_project_new(GObject *);
 
 /* Crée un projet à partir du contenu XML d'un fichier. */
-GStudyProject *g_study_project_open(const char *);
+GStudyProject *g_study_project_open(GObject *, const char *);
 
 /* Procède à l'enregistrement d'un projet donné. */
 bool g_study_project_save(GStudyProject *, const char *);