[lttv.git] / ltt / branches / poly / lttv / modules / gui / resourceview / cfv.c

/* This file is part of the Linux Trace Toolkit viewer
 * Copyright (C) 2003-2004 Mathieu Desnoyers
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation;
 *
 * This program 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.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <lttv/lttv.h>
#include <lttvwindow/lttvwindow.h>
#include <lttvwindow/lttvwindowtraces.h>
#include <lttvwindow/support.h>

#include "cfv.h"
#include "drawing.h"
#include "processlist.h"
#include "eventhooks.h"
#include "lttv_plugin_cfv.h"

extern GSList *g_control_flow_data_list;

static gboolean
header_size_allocate(GtkWidget *widget,
                        GtkAllocation *allocation,
                        gpointer user_data)
{
  Drawing_t *drawing = (Drawing_t*)user_data;

  gtk_widget_set_size_request(drawing->ruler, -1, allocation->height);
  //gtk_widget_queue_resize(drawing->padding);
  //gtk_widget_queue_resize(drawing->ruler);
  gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
  return 0;
}

gboolean cfv_scroll_event(GtkWidget *widget, GdkEventScroll *event,
    gpointer data)
{
  ControlFlowData *control_flow_data = (ControlFlowData*)data;
  unsigned int cell_height =
    get_cell_height(
        GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
  gdouble new;

  switch(event->direction) {
    case GDK_SCROLL_UP:
      {
        new = gtk_adjustment_get_value(control_flow_data->v_adjust) 
                                  - cell_height;
      }
      break;
    case GDK_SCROLL_DOWN:
      {
        new = gtk_adjustment_get_value(control_flow_data->v_adjust) 
                                  + cell_height;
      }
      break;
    default:
      return FALSE;
  }
  if(new >= control_flow_data->v_adjust->lower &&
      new <= control_flow_data->v_adjust->upper 
          - control_flow_data->v_adjust->page_size)
    gtk_adjustment_set_value(control_flow_data->v_adjust, new);
  return TRUE;
}


/* Toolbar callbacks */
static void        property_button      (GtkToolButton *toolbutton,
                                          gpointer       user_data)
{
  ControlFlowData *control_flow_data = (ControlFlowData*)user_data;

  g_printf("CFV Property button clicked\n");

}

/* Toolbar callbacks */
static void        filter_button      (GtkToolButton *toolbutton,
                                          gpointer       user_data)
{
  LttvPluginCFV *plugin_cfv = (LttvPluginCFV*)user_data;
  LttvAttribute *attribute;
  LttvAttributeValue value;
  gboolean ret;
  g_printf("Filter button clicked\n");

  attribute = LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(
        LTTV_IATTRIBUTE(lttv_global_attributes()),
        LTTV_VIEWER_CONSTRUCTORS));
  g_assert(attribute);

  ret = lttv_iattribute_find_by_path(LTTV_IATTRIBUTE(attribute),
      "guifilter", LTTV_POINTER, &value);
  g_assert(ret);
  lttvwindow_viewer_constructor constructor =
    (lttvwindow_viewer_constructor)*(value.v_pointer);
  if(constructor) constructor(&plugin_cfv->parent);
  else g_warning("Filter module not loaded.");

  //FIXME : viewer returned.
}


/*****************************************************************************
 *                     Control Flow Viewer class implementation              *
 *****************************************************************************/
/**
 * Control Flow Viewer's constructor
 *
 * This constructor is given as a parameter to the menuitem and toolbar button
 * registration. It creates the drawing widget.
 * @param ParentWindow A pointer to the parent window.
 * @return The widget created.
 */
ControlFlowData *
resourceview(LttvPluginTab *ptab)
{
  Tab *tab = ptab->tab;
  GtkWidget *tmp_toolbar_icon;
  GtkWidget *process_list_widget, *drawing_widget, *drawing_area;
  //ControlFlowData* control_flow_data = g_new(ControlFlowData,1) ;
  LttvPluginCFV *plugin_cfv = g_object_new(LTTV_TYPE_PLUGIN_CFV, NULL);
  GtkTooltips *tooltips = gtk_tooltips_new();
  ControlFlowData* control_flow_data = plugin_cfv->cfd;
  control_flow_data->ptab = ptab;
  control_flow_data->tab = ptab->tab;

  control_flow_data->v_adjust = 
    GTK_ADJUSTMENT(gtk_adjustment_new(  0.0,  /* Value */
              0.0,  /* Lower */
              0.0,  /* Upper */
              0.0,  /* Step inc. */
              0.0,  /* Page inc. */
              0.0));  /* page size */

  /* Create the drawing */
  control_flow_data->drawing = drawing_construct(control_flow_data);
  
  drawing_widget = 
    drawing_get_widget(control_flow_data->drawing);
  
  drawing_area = 
    drawing_get_drawing_area(control_flow_data->drawing);

  control_flow_data->number_of_process = 0;
  control_flow_data->background_info_waiting = 0;

  /* Create the Process list */
  control_flow_data->process_list = processlist_construct();
  
  process_list_widget = 
    processlist_get_widget(control_flow_data->process_list);
  
  gtk_tree_view_set_vadjustment(GTK_TREE_VIEW(process_list_widget),
                                GTK_ADJUSTMENT(
                                   control_flow_data->v_adjust));

  g_signal_connect (G_OBJECT(process_list_widget),
        "scroll-event",
        G_CALLBACK (cfv_scroll_event),
        (gpointer)control_flow_data);
   g_signal_connect (G_OBJECT(drawing_area),
        "scroll-event",
        G_CALLBACK (cfv_scroll_event),
        (gpointer)control_flow_data);
  
  g_signal_connect (G_OBJECT(control_flow_data->process_list->button),
        "size-allocate",
        G_CALLBACK(header_size_allocate),
        (gpointer)control_flow_data->drawing);
#if 0  /* not ready */
  g_signal_connect (
       // G_OBJECT(control_flow_data->process_list->process_list_widget),
        G_OBJECT(control_flow_data->process_list->list_store),
        "row-changed",
        G_CALLBACK (tree_row_activated),
        (gpointer)control_flow_data);
#endif //0
  
  control_flow_data->hbox = gtk_hbox_new(FALSE, 1);
  control_flow_data->toolbar = gtk_toolbar_new();
  gtk_toolbar_set_orientation(GTK_TOOLBAR(control_flow_data->toolbar),
                              GTK_ORIENTATION_VERTICAL);

  tmp_toolbar_icon = create_pixmap (main_window_get_widget(tab),
      "guifilter16x16.png");
  gtk_widget_show(tmp_toolbar_icon);
  control_flow_data->button_filter = gtk_tool_button_new(tmp_toolbar_icon,
      "Filter");
  g_signal_connect (G_OBJECT(control_flow_data->button_filter),
        "clicked",
        G_CALLBACK (filter_button),
        (gpointer)plugin_cfv);
  gtk_toolbar_insert(GTK_TOOLBAR(control_flow_data->toolbar),
      control_flow_data->button_filter,
      0);
  gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(control_flow_data->button_filter),
      tooltips, "Open the filter window", NULL);

  tmp_toolbar_icon = create_pixmap (main_window_get_widget(tab),
      "properties.png");
  gtk_widget_show(tmp_toolbar_icon);
  control_flow_data->button_prop = gtk_tool_button_new(tmp_toolbar_icon,
      "Properties");
  g_signal_connect (G_OBJECT(control_flow_data->button_prop),
        "clicked",
        G_CALLBACK (property_button),
        (gpointer)control_flow_data);
  gtk_toolbar_insert(GTK_TOOLBAR(control_flow_data->toolbar),
      control_flow_data->button_prop,
      1);

  gtk_toolbar_set_style(GTK_TOOLBAR(control_flow_data->toolbar),
      GTK_TOOLBAR_ICONS);

  gtk_box_pack_start(GTK_BOX(control_flow_data->hbox), 
      control_flow_data->toolbar,
      FALSE, FALSE, 0);
  control_flow_data->h_paned = gtk_hpaned_new();
  control_flow_data->box = gtk_event_box_new();
  gtk_box_pack_end(GTK_BOX(control_flow_data->hbox), 
      control_flow_data->box,
      TRUE, TRUE, 0);
  control_flow_data->top_widget = control_flow_data->hbox;
  plugin_cfv->parent.top_widget = control_flow_data->top_widget;
  gtk_container_add(GTK_CONTAINER(control_flow_data->box),
                    control_flow_data->h_paned);
      
  gtk_paned_pack1(GTK_PANED(control_flow_data->h_paned),
                  process_list_widget, FALSE, TRUE);
  gtk_paned_pack2(GTK_PANED(control_flow_data->h_paned),
                  drawing_widget, TRUE, TRUE);
  
  gtk_container_set_border_width(GTK_CONTAINER(control_flow_data->box), 1);
  
  /* Set the size of the drawing area */
  //drawing_Resize(drawing, h, w);

  /* Get trace statistics */
  //control_flow_data->Trace_Statistics = get_trace_statistics(Trace);

  gtk_widget_show(drawing_widget);
  gtk_widget_show(process_list_widget);
  gtk_widget_show(control_flow_data->h_paned);
  gtk_widget_show(control_flow_data->box);
  gtk_widget_show(control_flow_data->toolbar);
  gtk_widget_show(GTK_WIDGET(control_flow_data->button_prop));
  gtk_widget_show(GTK_WIDGET(control_flow_data->button_filter));
  gtk_widget_show(control_flow_data->hbox);
  
  g_object_set_data_full(
      G_OBJECT(control_flow_data->top_widget),
      "plugin_data",
      plugin_cfv,
      (GDestroyNotify)guicontrolflow_destructor);
    
  g_object_set_data(
      G_OBJECT(drawing_area),
      "control_flow_data",
      control_flow_data);
        
  g_control_flow_data_list = g_slist_append(
      g_control_flow_data_list,
      plugin_cfv);
  
  control_flow_data->filter = NULL;

  //WARNING : The widget must be 
  //inserted in the main window before the drawing area
  //can be configured (and this must happend bedore sending
  //data)
  
  return control_flow_data;

}

/* Destroys widget also */
void
guicontrolflow_destructor_full(gpointer data)
{
  LttvPluginCFV *plugin_cfv = (LttvPluginCFV*)data;
  g_info("CFV.c : guicontrolflow_destructor_full, %p", plugin_cfv);
  /* May already have been done by GTK window closing */
  if(GTK_IS_WIDGET(guicontrolflow_get_widget(plugin_cfv->cfd)))
    gtk_widget_destroy(guicontrolflow_get_widget(plugin_cfv->cfd));
  //control_flow_data->mw = NULL;
  //FIXME guicontrolflow_destructor(control_flow_data);
}

/* When this destructor is called, the widgets are already disconnected */
void
guicontrolflow_destructor(gpointer data)
{
  LttvPluginCFV *plugin_cfv = (LttvPluginCFV*)data;
  Tab *tab = plugin_cfv->cfd->tab;
  ControlFlowData *control_flow_data = plugin_cfv->cfd;
  
  g_info("CFV.c : guicontrolflow_destructor, %p", plugin_cfv);
  g_info("%p, %p, %p", update_time_window_hook, plugin_cfv, tab);
  if(GTK_IS_WIDGET(guicontrolflow_get_widget(plugin_cfv->cfd)))
    g_info("widget still exists");
  
  lttv_filter_destroy(plugin_cfv->cfd->filter);
  /* Process List is removed with it's widget */
  //ProcessList_destroy(control_flow_data->process_list);
  if(tab != NULL)
  {
      /* Delete reading hooks */
    lttvwindow_unregister_traceset_notify(tab,
        traceset_notify,
        control_flow_data);
    
    lttvwindow_unregister_time_window_notify(tab,
        update_time_window_hook,
        control_flow_data);
  
    lttvwindow_unregister_current_time_notify(tab,
        update_current_time_hook,
        control_flow_data);

    lttvwindow_unregister_redraw_notify(tab, redraw_notify, control_flow_data);
    lttvwindow_unregister_continue_notify(tab,
                                          continue_notify,
                                          control_flow_data);
    
    lttvwindow_events_request_remove_all(control_flow_data->tab,
                                         control_flow_data);

  }
  lttvwindowtraces_background_notify_remove(control_flow_data);
  g_control_flow_data_list = 
         g_slist_remove(g_control_flow_data_list, control_flow_data);

  g_info("CFV.c : guicontrolflow_destructor end, %p", control_flow_data);
  //g_free(control_flow_data);
  g_object_unref(plugin_cfv);
}
Commit	Line	Data
9e01e6d4	1	/* This file is part of the Linux Trace Toolkit viewer
	2	* Copyright (C) 2003-2004 Mathieu Desnoyers
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License Version 2 as
	6	* published by the Free Software Foundation;
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program; if not, write to the Free Software
	15	* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
	16	* MA 02111-1307, USA.
	17	*/
	18
	19	#ifdef HAVE_CONFIG_H
	20	#include <config.h>
	21	#endif
	22
	23	#include <glib.h>
	24	#include <gtk/gtk.h>
	25	#include <gdk/gdk.h>
	26	#include <lttv/lttv.h>
	27	#include <lttvwindow/lttvwindow.h>
	28	#include <lttvwindow/lttvwindowtraces.h>
	29	#include <lttvwindow/support.h>
	30
	31	#include "cfv.h"
	32	#include "drawing.h"
	33	#include "processlist.h"
	34	#include "eventhooks.h"
	35	#include "lttv_plugin_cfv.h"
	36
	37	extern GSList *g_control_flow_data_list;
	38
	39	static gboolean
	40	header_size_allocate(GtkWidget *widget,
	41	GtkAllocation *allocation,
	42	gpointer user_data)
	43	{
	44	Drawing_t drawing = (Drawing_t)user_data;
	45
	46	gtk_widget_set_size_request(drawing->ruler, -1, allocation->height);
	47	//gtk_widget_queue_resize(drawing->padding);
	48	//gtk_widget_queue_resize(drawing->ruler);
	49	gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
	50	return 0;
	51	}
	52
	53	gboolean cfv_scroll_event(GtkWidget widget, GdkEventScroll event,
	54	gpointer data)
	55	{
	56	ControlFlowData control_flow_data = (ControlFlowData)data;
	57	unsigned int cell_height =
	58	get_cell_height(
	59	GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
	60	gdouble new;
	61
	62	switch(event->direction) {
	63	case GDK_SCROLL_UP:
	64	{
65	new = gtk_adjustment_get_value(control_flow_data->v_adjust)
66	- cell_height;
67	}
68	break;
69	case GDK_SCROLL_DOWN:
70	{
71	new = gtk_adjustment_get_value(control_flow_data->v_adjust)
72	+ cell_height;
73	}
74	break;
75	default:
76	return FALSE;
77	}
78	if(new >= control_flow_data->v_adjust->lower &&
79	new <= control_flow_data->v_adjust->upper
80	- control_flow_data->v_adjust->page_size)
81	gtk_adjustment_set_value(control_flow_data->v_adjust, new);
82	return TRUE;
83	}
84
85
86	/* Toolbar callbacks */
87	static void property_button (GtkToolButton *toolbutton,
88	gpointer user_data)
89	{
90	ControlFlowData control_flow_data = (ControlFlowData)user_data;
91
92	g_printf("CFV Property button clicked\n");
93
94	}
95
96	/* Toolbar callbacks */
97	static void filter_button (GtkToolButton *toolbutton,
98	gpointer user_data)
99	{
100	LttvPluginCFV plugin_cfv = (LttvPluginCFV)user_data;
101	LttvAttribute *attribute;
102	LttvAttributeValue value;
103	gboolean ret;
104	g_printf("Filter button clicked\n");
105
106	attribute = LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(
107	LTTV_IATTRIBUTE(lttv_global_attributes()),
108	LTTV_VIEWER_CONSTRUCTORS));
109	g_assert(attribute);
110
111	ret = lttv_iattribute_find_by_path(LTTV_IATTRIBUTE(attribute),
112	"guifilter", LTTV_POINTER, &value);
113	g_assert(ret);
114	lttvwindow_viewer_constructor constructor =
115	(lttvwindow_viewer_constructor)*(value.v_pointer);
116	if(constructor) constructor(&plugin_cfv->parent);
117	else g_warning("Filter module not loaded.");
118
119	//FIXME : viewer returned.
120	}
121
122
123
124	/*****************************************************************************
125	* Control Flow Viewer class implementation *
126	*****************************************************************************/
127	/**
128	* Control Flow Viewer's constructor
129	*
130	* This constructor is given as a parameter to the menuitem and toolbar button
131	* registration. It creates the drawing widget.
132	* @param ParentWindow A pointer to the parent window.
133	* @return The widget created.
134	*/
135	ControlFlowData *
58a9b31b	136	resourceview(LttvPluginTab *ptab)
9e01e6d4	137	{
	138	Tab *tab = ptab->tab;
	139	GtkWidget *tmp_toolbar_icon;
	140	GtkWidget process_list_widget, drawing_widget, *drawing_area;
	141	//ControlFlowData* control_flow_data = g_new(ControlFlowData,1) ;
	142	LttvPluginCFV *plugin_cfv = g_object_new(LTTV_TYPE_PLUGIN_CFV, NULL);
	143	GtkTooltips *tooltips = gtk_tooltips_new();
	144	ControlFlowData* control_flow_data = plugin_cfv->cfd;
	145	control_flow_data->ptab = ptab;
	146	control_flow_data->tab = ptab->tab;
	147
	148	control_flow_data->v_adjust =
	149	GTK_ADJUSTMENT(gtk_adjustment_new( 0.0, /* Value */
	150	0.0, /* Lower */
	151	0.0, /* Upper */
	152	0.0, /* Step inc. */
	153	0.0, /* Page inc. */
	154	0.0)); /* page size */
	155
	156	/* Create the drawing */
	157	control_flow_data->drawing = drawing_construct(control_flow_data);
	158
	159	drawing_widget =
	160	drawing_get_widget(control_flow_data->drawing);
	161
	162	drawing_area =
	163	drawing_get_drawing_area(control_flow_data->drawing);
	164
	165	control_flow_data->number_of_process = 0;
	166	control_flow_data->background_info_waiting = 0;
	167
	168	/* Create the Process list */
	169	control_flow_data->process_list = processlist_construct();
	170
	171	process_list_widget =
	172	processlist_get_widget(control_flow_data->process_list);
	173
	174	gtk_tree_view_set_vadjustment(GTK_TREE_VIEW(process_list_widget),
	175	GTK_ADJUSTMENT(
	176	control_flow_data->v_adjust));
	177
	178	g_signal_connect (G_OBJECT(process_list_widget),
	179	"scroll-event",
	180	G_CALLBACK (cfv_scroll_event),
	181	(gpointer)control_flow_data);
	182	g_signal_connect (G_OBJECT(drawing_area),
	183	"scroll-event",
	184	G_CALLBACK (cfv_scroll_event),
	185	(gpointer)control_flow_data);
	186
	187	g_signal_connect (G_OBJECT(control_flow_data->process_list->button),
	188	"size-allocate",
	189	G_CALLBACK(header_size_allocate),
	190	(gpointer)control_flow_data->drawing);
	191	#if 0 /* not ready */
	192	g_signal_connect (
	193	// G_OBJECT(control_flow_data->process_list->process_list_widget),
	194	G_OBJECT(control_flow_data->process_list->list_store),
	195	"row-changed",
	196	G_CALLBACK (tree_row_activated),
	197	(gpointer)control_flow_data);
	198	#endif //0
	199
	200	control_flow_data->hbox = gtk_hbox_new(FALSE, 1);
201	control_flow_data->toolbar = gtk_toolbar_new();
202	gtk_toolbar_set_orientation(GTK_TOOLBAR(control_flow_data->toolbar),
203	GTK_ORIENTATION_VERTICAL);
204
205	tmp_toolbar_icon = create_pixmap (main_window_get_widget(tab),
206	"guifilter16x16.png");
207	gtk_widget_show(tmp_toolbar_icon);
208	control_flow_data->button_filter = gtk_tool_button_new(tmp_toolbar_icon,
209	"Filter");
210	g_signal_connect (G_OBJECT(control_flow_data->button_filter),
211	"clicked",
212	G_CALLBACK (filter_button),
213	(gpointer)plugin_cfv);
214	gtk_toolbar_insert(GTK_TOOLBAR(control_flow_data->toolbar),
215	control_flow_data->button_filter,
216	0);
217	gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(control_flow_data->button_filter),
218	tooltips, "Open the filter window", NULL);
219
220	tmp_toolbar_icon = create_pixmap (main_window_get_widget(tab),
221	"properties.png");
222	gtk_widget_show(tmp_toolbar_icon);
223	control_flow_data->button_prop = gtk_tool_button_new(tmp_toolbar_icon,
224	"Properties");
225	g_signal_connect (G_OBJECT(control_flow_data->button_prop),
226	"clicked",
227	G_CALLBACK (property_button),
228	(gpointer)control_flow_data);
229	gtk_toolbar_insert(GTK_TOOLBAR(control_flow_data->toolbar),
230	control_flow_data->button_prop,
231	1);
232
233	gtk_toolbar_set_style(GTK_TOOLBAR(control_flow_data->toolbar),
234	GTK_TOOLBAR_ICONS);
235
236	gtk_box_pack_start(GTK_BOX(control_flow_data->hbox),
237	control_flow_data->toolbar,
238	FALSE, FALSE, 0);
239	control_flow_data->h_paned = gtk_hpaned_new();
240	control_flow_data->box = gtk_event_box_new();
241	gtk_box_pack_end(GTK_BOX(control_flow_data->hbox),
242	control_flow_data->box,
243	TRUE, TRUE, 0);
244	control_flow_data->top_widget = control_flow_data->hbox;
245	plugin_cfv->parent.top_widget = control_flow_data->top_widget;
246	gtk_container_add(GTK_CONTAINER(control_flow_data->box),
247	control_flow_data->h_paned);
248
249	gtk_paned_pack1(GTK_PANED(control_flow_data->h_paned),
250	process_list_widget, FALSE, TRUE);
251	gtk_paned_pack2(GTK_PANED(control_flow_data->h_paned),
252	drawing_widget, TRUE, TRUE);
253
254	gtk_container_set_border_width(GTK_CONTAINER(control_flow_data->box), 1);
255
256	/* Set the size of the drawing area */
257	//drawing_Resize(drawing, h, w);
258
259	/* Get trace statistics */
260	//control_flow_data->Trace_Statistics = get_trace_statistics(Trace);
261
262	gtk_widget_show(drawing_widget);
263	gtk_widget_show(process_list_widget);
264	gtk_widget_show(control_flow_data->h_paned);
265	gtk_widget_show(control_flow_data->box);
266	gtk_widget_show(control_flow_data->toolbar);
267	gtk_widget_show(GTK_WIDGET(control_flow_data->button_prop));
268	gtk_widget_show(GTK_WIDGET(control_flow_data->button_filter));
269	gtk_widget_show(control_flow_data->hbox);
270
271	g_object_set_data_full(
272	G_OBJECT(control_flow_data->top_widget),
273	"plugin_data",
274	plugin_cfv,
275	(GDestroyNotify)guicontrolflow_destructor);
276
277	g_object_set_data(
278	G_OBJECT(drawing_area),
279	"control_flow_data",
280	control_flow_data);
281
282	g_control_flow_data_list = g_slist_append(
283	g_control_flow_data_list,
284	plugin_cfv);
285
286	control_flow_data->filter = NULL;
287
288	//WARNING : The widget must be
289	//inserted in the main window before the drawing area
290	//can be configured (and this must happend bedore sending
291	//data)
292
293	return control_flow_data;
294
295	}
296
297	/* Destroys widget also */
298	void
299	guicontrolflow_destructor_full(gpointer data)
300	{
301	LttvPluginCFV plugin_cfv = (LttvPluginCFV)data;
302	g_info("CFV.c : guicontrolflow_destructor_full, %p", plugin_cfv);
303	/* May already have been done by GTK window closing */
304	if(GTK_IS_WIDGET(guicontrolflow_get_widget(plugin_cfv->cfd)))
305	gtk_widget_destroy(guicontrolflow_get_widget(plugin_cfv->cfd));
306	//control_flow_data->mw = NULL;
307	//FIXME guicontrolflow_destructor(control_flow_data);
308	}
309
310	/* When this destructor is called, the widgets are already disconnected */
311	void
312	guicontrolflow_destructor(gpointer data)
313	{
314	LttvPluginCFV plugin_cfv = (LttvPluginCFV)data;
315	Tab *tab = plugin_cfv->cfd->tab;
316	ControlFlowData *control_flow_data = plugin_cfv->cfd;
317
318	g_info("CFV.c : guicontrolflow_destructor, %p", plugin_cfv);
319	g_info("%p, %p, %p", update_time_window_hook, plugin_cfv, tab);
320	if(GTK_IS_WIDGET(guicontrolflow_get_widget(plugin_cfv->cfd)))
321	g_info("widget still exists");
322
323	lttv_filter_destroy(plugin_cfv->cfd->filter);
324	/* Process List is removed with it's widget */
325	//ProcessList_destroy(control_flow_data->process_list);
326	if(tab != NULL)
327	{
328	/* Delete reading hooks */
329	lttvwindow_unregister_traceset_notify(tab,
330	traceset_notify,
331	control_flow_data);
332
333	lttvwindow_unregister_time_window_notify(tab,
334	update_time_window_hook,
335	control_flow_data);
336
337	lttvwindow_unregister_current_time_notify(tab,
338	update_current_time_hook,
339	control_flow_data);
340
341	lttvwindow_unregister_redraw_notify(tab, redraw_notify, control_flow_data);
342	lttvwindow_unregister_continue_notify(tab,
343	continue_notify,
344	control_flow_data);
345
346	lttvwindow_events_request_remove_all(control_flow_data->tab,
347	control_flow_data);
348
349	}
350	lttvwindowtraces_background_notify_remove(control_flow_data);
351	g_control_flow_data_list =
352	g_slist_remove(g_control_flow_data_list, control_flow_data);
353
354	g_info("CFV.c : guicontrolflow_destructor end, %p", control_flow_data);
355	//g_free(control_flow_data);
356	g_object_unref(plugin_cfv);
357	}
358
359