diff --git a/src/clock/clock.c b/src/clock/clock.c
index 79c4266..6ce24b8 100644
--- a/src/clock/clock.c
+++ b/src/clock/clock.c
@@ -211,7 +211,7 @@ int resize_clock (void *obj)
 		strftime(buf_date, sizeof(buf_date), time2_format, clock_gettime_for_tz(time2_timezone));
 		get_text_size2(time2_font_desc, &date_height_ink, &date_height, &date_width, panel->area.height, panel->area.width, buf_date, strlen(buf_date));
 	}
-	
+
 	if (panel_horizontal) {
 		int new_size = (time_width > date_width) ? time_width : date_width;
 		new_size += (2*clock->area.paddingxlr) + (2*clock->area.bg->border.width);
diff --git a/src/panel.c b/src/panel.c
index b618bf1..797b96a 100644
--- a/src/panel.c
+++ b/src/panel.c
@@ -168,7 +168,7 @@ void init_panel()
 		p->area.on_screen = 1;
 		p->area.resize = 1;
 		p->area.size_mode = SIZE_BY_LAYOUT;
-		p->area._resize = resize_panel;
+		p->area._resize = resize_by_layout;
 		p->g_taskbar.area.parent = p;
 		p->g_taskbar.area.panel = p;
 		p->g_task.area.panel = p;
@@ -301,96 +301,6 @@ void init_panel_size_and_position(Panel *panel)
 }
 
 
-int resize_panel(void *obj)
-{
-	Panel *panel = (Panel*)obj;
-	int size, nb_by_content=0, nb_by_layout=0;
-	Area *a = (Area*)obj;
-	int paddingx = a->paddingx;;
-
-	if (panel_horizontal) {		
-		// detect free size for SIZE_BY_LAYOUT's Area
-		size = a->width - (2 * a->paddingxlr) - (2 * a->bg->border.width);
-		GSList *l;
-		for (l = ((Area*)obj)->list ; l ; l = l->next) {
-			a = (Area*)l->data;
-			if (a->on_screen && a->width && a->size_mode == SIZE_BY_CONTENT) {
-				size -= a->width;
-				nb_by_content++;
-			}
-			if (a->on_screen && a->size_mode == SIZE_BY_LAYOUT)
-				nb_by_layout++;
-		}
-		if (nb_by_content+nb_by_layout)
-			size -= ((nb_by_content+nb_by_layout-1) * paddingx);
-		//printf("resize_panel : size_panel %d, size_layout %d\n", panel->area.width, size);
-
-		int width=0, modulo=0;
-		if (nb_by_layout) {
-			width = size / nb_by_layout;
-			modulo = size % nb_by_layout;
-		}
-		//printf("   content %d, layout %d, width %d, modulo %d\n", nb_by_content, nb_by_layout, width, modulo);
-
-		// change posx and width for all taskbar
-		int i, posx;
-		posx = panel->area.bg->border.width + panel->area.paddingxlr;
-		if (panel->launcher.area.on_screen && panel->launcher.area.width)
-			posx += (panel->launcher.area.width + panel->area.paddingx);
-		for (i=0 ; i < panel->nb_desktop ; i++) {
-			panel->taskbar[i].area.posx = posx;
-			panel->taskbar[i].area.width = width;
-			panel->taskbar[i].area.resize = 1;
-			if (modulo) {
-				panel->taskbar[i].area.width++;
-				modulo--;
-			}
-			//printf("   width %d\n", panel->taskbar[i].area.width);
-			//printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
-			if (panel_mode == MULTI_DESKTOP)
-				posx += panel->taskbar[i].area.width + panel->area.paddingx;
-		}
-	}
-	else {
-		// detect free size for SIZE_BY_LAYOUT's Area
-		size = a->height - (2 * a->paddingxlr) - (2 * a->bg->border.width);
-		GSList *l;
-		for (l = ((Area*)obj)->list ; l ; l = l->next) {
-			a = (Area*)l->data;
-			if (a->on_screen && a->height && a->size_mode == SIZE_BY_CONTENT) {
-				size -= a->height;
-				nb_by_content++;
-			}
-			if (a->on_screen && a->size_mode == SIZE_BY_LAYOUT)
-				nb_by_layout++;
-		}
-		if (nb_by_content+nb_by_layout)
-			size -= ((nb_by_content+nb_by_layout-1) * paddingx);
-
-		int width=0, modulo=0;
-		if (nb_by_layout) {
-			width = size / nb_by_layout;
-			modulo = size % nb_by_layout;
-		}
-
-		// change posy and height for all taskbar
-		int i, posy;
-		for (i=0 ; i < panel->nb_desktop ; i++) {
-			panel->taskbar[i].area.posy = posy;
-			panel->taskbar[i].area.height = width;
-			panel->taskbar[i].area.resize = 1;
-			if (modulo) {
-				panel->taskbar[i].area.height++;
-				modulo--;
-			}
-			if (panel_mode == MULTI_DESKTOP)
-				posy += panel->taskbar[i].area.height + panel->area.paddingx;
-		}
-	}
-	return 0;
-}
-
-
 void visible_object()
 {
 	Panel *panel;
diff --git a/src/panel.h b/src/panel.h
index 21e9a14..aedb1f2 100644
--- a/src/panel.h
+++ b/src/panel.h
@@ -135,7 +135,6 @@ void cleanup_panel();
 void init_panel();
 
 void init_panel_size_and_position(Panel *panel);
-int  resize_panel(void *obj);
 
 void set_panel_items_order(Panel *p);
 void set_panel_properties(Panel *p);
diff --git a/src/systray/systraybar.c b/src/systray/systraybar.c
index e5bb7a1..22fc50b 100644
--- a/src/systray/systraybar.c
+++ b/src/systray/systraybar.c
@@ -95,8 +95,6 @@ void init_systray()
 
 void init_systray_panel(void *p)
 {
-	Panel *panel =(Panel*)p;
-
 	systray.area.parent = p;
 	systray.area.panel = p;
 	
diff --git a/src/util/area.c b/src/util/area.c
index e580433..34a4d13 100644
--- a/src/util/area.c
+++ b/src/util/area.c
@@ -217,90 +217,78 @@ void refresh (Area *a)
 
 int resize_by_layout(void *obj)
 {
-	Taskbar *taskbar = (Taskbar*)obj;
-	Panel *panel = (Panel*)taskbar->area.panel;
-	Task *tsk;
-	GSList *l;
-	int  task_count, border_width;
+	Area *child, *a = (Area*)obj;
+	int size, nb_by_content=0, nb_by_layout=0;
 
-	//printf("resize_taskbar : posx et width des taches\n");
-	taskbar->area.redraw = 1;
+	printf("resize_by_layout\n");
+	if (panel_horizontal) {		
+		// detect free size for SIZE_BY_LAYOUT's Area
+		size = a->width - (2 * (a->paddingxlr + a->bg->border.width));
+		GSList *l;
+		for (l = a->list ; l ; l = l->next) {
+			child = (Area*)l->data;
+			if (child->on_screen && child->size_mode == SIZE_BY_CONTENT) {
+				size -= child->width;
+				nb_by_content++;
+			}
+			if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT)
+				nb_by_layout++;
+		}
+		if (nb_by_content+nb_by_layout)
+			size -= ((nb_by_content+nb_by_layout-1) * a->paddingx);
+		//printf("resize_panel : size_panel %d, size_layout %d\n", panel->area.width, size);
 
-	border_width = taskbar->area.bg->border.width;
-
-	if (panel_horizontal) {
-		int  pixel_width, modulo_width=0;
-		int  taskbar_width;
-
-		// new task width for 'desktop'
-		task_count = g_slist_length(taskbar->area.list);
-		if (!task_count) pixel_width = panel->g_task.maximum_width;
-		else {
-			taskbar_width = taskbar->area.width - (2 * border_width) - (2 * panel->g_taskbar.area.paddingxlr);
-			if (task_count>1) taskbar_width -= ((task_count-1) * panel->g_taskbar.area.paddingx);
-
-			pixel_width = taskbar_width / task_count;
-			if (pixel_width > panel->g_task.maximum_width)
-				pixel_width = panel->g_task.maximum_width;
-			else
-				modulo_width = taskbar_width % task_count;
+		int width=0, modulo=0;
+		if (nb_by_layout) {
+			width = size / nb_by_layout;
+			modulo = size % nb_by_layout;
 		}
 
-		taskbar->task_width = pixel_width;
-		taskbar->task_modulo = modulo_width;
-		taskbar->text_width = pixel_width - panel->g_task.text_posx - panel->g_task.area.bg->border.width - panel->g_task.area.paddingx;
-
-		// change pos_x and width for all tasks
-		for (l = taskbar->area.list; l ; l = l->next) {
-			tsk = l->data;
-			if (!tsk->area.on_screen) continue;
-			set_task_redraw(tsk);  // always redraw task, because the background could have changed (taskbar_active_id)
-			tsk->area.width = pixel_width;
-// TODO : move later (when posx is known)
-//			long value[] = { panel->posx+x, panel->posy, pixel_width, panel->area.height };
-//			XChangeProperty (server.dsp, tsk->win, server.atom._NET_WM_ICON_GEOMETRY, XA_CARDINAL, 32, PropModeReplace, (unsigned char*)value, 4);
-
-			if (modulo_width) {
-				tsk->area.width++;
-				modulo_width--;
+		// resize SIZE_BY_LAYOUT objects
+		for (l = a->list ; l ; l = l->next) {
+			child = (Area*)l->data;
+			if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT) {
+				child->width = width;
+				child->resize = 1;
+				if (modulo) {
+					child->width++;
+					modulo--;
+				}
 			}
 		}
 	}
 	else {
-		int  pixel_height, modulo_height=0;
-		int  taskbar_height;
+		// detect free size for SIZE_BY_LAYOUT's Area
+		size = a->height - (2 * (a->paddingxlr + a->bg->border.width));
+		GSList *l;
+		for (l = a->list ; l ; l = l->next) {
+			child = (Area*)l->data;
+			if (child->on_screen && child->size_mode == SIZE_BY_CONTENT) {
+				size -= child->height;
+				nb_by_content++;
+			}
+			if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT)
+				nb_by_layout++;
+		}
+		if (nb_by_content+nb_by_layout)
+			size -= ((nb_by_content+nb_by_layout-1) * a->paddingx);
 
-		// new task width for 'desktop'
-		task_count = g_slist_length(taskbar->area.list);
-		if (!task_count) pixel_height = panel->g_task.maximum_height;
-		else {
-			taskbar_height = taskbar->area.height - (2 * border_width) - (2 * panel->g_taskbar.area.paddingxlr);
-			if (task_count>1) taskbar_height -= ((task_count-1) * panel->g_taskbar.area.paddingx);
-
-			pixel_height = taskbar_height / task_count;
-			if (pixel_height > panel->g_task.maximum_height)
-				pixel_height = panel->g_task.maximum_height;
-			else
-				modulo_height = taskbar_height % task_count;
+		int height=0, modulo=0;
+		if (nb_by_layout) {
+			height = size / nb_by_layout;
+			modulo = size % nb_by_layout;
 		}
 
-		taskbar->task_width = pixel_height;
-		taskbar->task_modulo = modulo_height;
-		taskbar->text_width = taskbar->area.width - (2 * panel->g_taskbar.area.paddingy) - panel->g_task.text_posx - panel->g_task.area.bg->border.width - panel->g_task.area.paddingx;
-
-		// change pos_y and height for all tasks
-		for (l = taskbar->area.list; l ; l = l->next) {
-			tsk = l->data;
-			if (!tsk->area.on_screen) continue;
-			set_task_redraw(tsk);  // always redraw task, because the background could have changed (taskbar_active_id)
-			tsk->area.height = pixel_height;
-// TODO : move later (when posy is known)
-//			long value[] = { panel->posx, panel->posy+y, panel->area.width, pixel_height };
-//			XChangeProperty (server.dsp, tsk->win, server.atom._NET_WM_ICON_GEOMETRY, XA_CARDINAL, 32, PropModeReplace, (unsigned char*)value, 4);
-
-			if (modulo_height) {
-				tsk->area.height++;
-				modulo_height--;
+		// resize SIZE_BY_LAYOUT objects
+		for (l = a->list ; l ; l = l->next) {
+			child = (Area*)l->data;
+			if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT) {
+				child->height = height;
+				child->resize = 1;
+				if (modulo) {
+					child->height++;
+					modulo--;
+				}
 			}
 		}
 	}