[lttv.git] / ltt / branches / poly / lttv / modules / gui / controlflow / processlist.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.
 */

#include <gtk/gtk.h>
#include <glib.h>

#include "processlist.h"
#include "drawitem.h"

/*****************************************************************************
 *                       Methods to synchronize process list                 *
 *****************************************************************************/

/* Enumeration of the columns */
enum
{
  PROCESS_COLUMN,
  PID_COLUMN,
  BIRTH_S_COLUMN,
  BIRTH_NS_COLUMN,
  N_COLUMNS
};


gint process_sort_func  ( GtkTreeModel *model,
        GtkTreeIter *it_a,
        GtkTreeIter *it_b,
        gpointer user_data)
{
  GValue a, b;

  memset(&a, 0, sizeof(GValue));
  memset(&b, 0, sizeof(GValue));
  
  /* Order by PID */
  gtk_tree_model_get_value( model,
          it_a,
          PID_COLUMN,
          &a);

  gtk_tree_model_get_value( model,
          it_b,
          PID_COLUMN,
          &b);

  if(G_VALUE_TYPE(&a) == G_TYPE_UINT
    && G_VALUE_TYPE(&b) == G_TYPE_UINT )
  {
    if(g_value_get_uint(&a) > g_value_get_uint(&b))
    {
      g_value_unset(&a);
      g_value_unset(&b);
      return 1;
    }
    if(g_value_get_uint(&a) < g_value_get_uint(&b))
    {
      g_value_unset(&a);
      g_value_unset(&b);
      return 0;
    }
  }

  g_value_unset(&a);
  g_value_unset(&b);


  /* Order by birth second */
  gtk_tree_model_get_value( model,
          it_a,
          BIRTH_S_COLUMN,
          &a);

  gtk_tree_model_get_value( model,
          it_b,
          BIRTH_S_COLUMN,
          &b);


  if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
    && G_VALUE_TYPE(&b) == G_TYPE_ULONG )
  {
    if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
    {
      g_value_unset(&a);
      g_value_unset(&b);
      return 1;
    }
    if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
    {
      g_value_unset(&a);
      g_value_unset(&b);
      return 0;
    }

  }

  g_value_unset(&a);
  g_value_unset(&b);

  /* Order by birth nanosecond */
  gtk_tree_model_get_value( model,
          it_a,
          BIRTH_NS_COLUMN,
          &a);

  gtk_tree_model_get_value( model,
          it_b,
          BIRTH_NS_COLUMN,
          &b);


  if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
    && G_VALUE_TYPE(&b) == G_TYPE_ULONG )
  {
    if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
    {
      g_value_unset(&a);
      g_value_unset(&b);
      return 1;
    }
    // Final condition
    //if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
    //{
    //  g_value_unset(&a);
    //  g_value_unset(&b);
    //  return 0;
    //}

  }
  
  g_value_unset(&a);
  g_value_unset(&b);

  return 0;

}

guint hash_fct(gconstpointer key)
{
  return ((ProcessInfo*)key)->pid;
}

gboolean equ_fct(gconstpointer a, gconstpointer b)
{
  if(((ProcessInfo*)a)->pid != ((ProcessInfo*)b)->pid)
    return 0;
//  g_critical("compare %u and %u",((ProcessInfo*)a)->pid,((ProcessInfo*)b)->pid);
  if(((ProcessInfo*)a)->birth.tv_sec != ((ProcessInfo*)b)->birth.tv_sec)
    return 0;
//  g_critical("compare %u and %u",((ProcessInfo*)a)->birth.tv_sec,((ProcessInfo*)b)->birth.tv_sec);

  if(((ProcessInfo*)a)->birth.tv_nsec != ((ProcessInfo*)b)->birth.tv_nsec)
    return 0;
//  g_critical("compare %u and %u",((ProcessInfo*)a)->birth.tv_nsec,((ProcessInfo*)b)->birth.tv_nsec);

  return 1;
}

void destroy_hash_key(gpointer key);

void destroy_hash_data(gpointer data);


ProcessList *processlist_construct(void)
{
  GtkTreeViewColumn *column;
  GtkCellRenderer *renderer;
  
  ProcessList* process_list = g_new(ProcessList,1);
  
  process_list->number_of_process = 0;

  /* Create the Process list */
  process_list->list_store = gtk_list_store_new (  N_COLUMNS,
              G_TYPE_STRING,
              G_TYPE_UINT,
              G_TYPE_ULONG,
              G_TYPE_ULONG);


  process_list->process_list_widget = 
    gtk_tree_view_new_with_model
    (GTK_TREE_MODEL (process_list->list_store));

  g_object_unref (G_OBJECT (process_list->list_store));

  gtk_tree_sortable_set_sort_func(
      GTK_TREE_SORTABLE(process_list->list_store),
      PID_COLUMN,
      process_sort_func,
      NULL,
      NULL);
  
  gtk_tree_sortable_set_sort_column_id(
      GTK_TREE_SORTABLE(process_list->list_store),
      PID_COLUMN,
      GTK_SORT_ASCENDING);
  
  process_list->process_hash = g_hash_table_new_full(
      hash_fct, equ_fct,
      destroy_hash_key, destroy_hash_data
      );
  
  
  gtk_tree_view_set_headers_visible(
    GTK_TREE_VIEW(process_list->process_list_widget), FALSE);

  /* Create a column, associating the "text" attribute of the
   * cell_renderer to the first column of the model */
  /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes ( "Process",
                renderer,
                "text",
                PROCESS_COLUMN,
                NULL);
  gtk_tree_view_column_set_alignment (column, 0.0);
  gtk_tree_view_column_set_fixed_width (column, 45);
  gtk_tree_view_append_column (
    GTK_TREE_VIEW (process_list->process_list_widget), column);

  column = gtk_tree_view_column_new_with_attributes ( "PID",
                renderer,
                "text",
                PID_COLUMN,
                NULL);
  gtk_tree_view_append_column (
    GTK_TREE_VIEW (process_list->process_list_widget), column);


  column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
                renderer,
                "text",
                BIRTH_S_COLUMN,
                NULL);
  gtk_tree_view_append_column (
    GTK_TREE_VIEW (process_list->process_list_widget), column);

  //gtk_tree_view_column_set_visible(column, 0);
  //
  column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
                renderer,
                "text",
                BIRTH_NS_COLUMN,
                NULL);
  gtk_tree_view_append_column (
    GTK_TREE_VIEW (process_list->process_list_widget), column);

  //gtk_tree_view_column_set_visible(column, 0);
  
  g_object_set_data_full(
      G_OBJECT(process_list->process_list_widget),
      "process_list_Data",
      process_list,
      (GDestroyNotify)processlist_destroy);

  return process_list;
}
void processlist_destroy(ProcessList *process_list)
{
  g_hash_table_destroy(process_list->process_hash);
  process_list->process_hash = NULL;

  g_free(process_list);
}

GtkWidget *processlist_get_widget(ProcessList *process_list)
{
  return process_list->process_list_widget;
}


gint get_cell_height(GtkTreeView *tree_view)
{
  gint height;
  GtkTreeViewColumn *Column = gtk_tree_view_get_column(tree_view, 0);
  //GList *Render_List = gtk_tree_view_column_get_cell_renderers(Column);
  //GtkCellRenderer *Renderer = g_list_first(Render_List)->data;
  
  //g_list_free(Render_List);
  gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL, &height);
  //g_critical("cell 0 height : %u",height);
  
  return height;
}

void destroy_hash_key(gpointer key)
{
  g_free(key);
}

void destroy_hash_data(gpointer data)
{
  g_free(data);
}

int processlist_add(  ProcessList *process_list,
      guint pid,
      LttTime *birth,
      gchar *name,
      guint *height,
      HashedProcessData **pm_hashed_process_data)
{
  GtkTreeIter iter ;
  ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
  HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
  *pm_hashed_process_data = hashed_process_data;
  
  Process_Info->pid = pid;
  Process_Info->birth = *birth;
  
  hashed_process_data->draw_context = g_new(DrawContext, 1);
  hashed_process_data->draw_context->drawable = NULL;
  hashed_process_data->draw_context->gc = NULL;
  hashed_process_data->draw_context->pango_layout = NULL;
  hashed_process_data->draw_context->current = g_new(DrawInfo,1);
  hashed_process_data->draw_context->current->over = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->over->x = -1;
  hashed_process_data->draw_context->current->over->y = -1;
  hashed_process_data->draw_context->current->middle = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->middle->x = -1;
  hashed_process_data->draw_context->current->middle->y = -1;
  hashed_process_data->draw_context->current->under = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->under->x = -1;
  hashed_process_data->draw_context->current->under->y = -1;
  hashed_process_data->draw_context->current->modify_over = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->modify_over->x = -1;
  hashed_process_data->draw_context->current->modify_over->y = -1;
  hashed_process_data->draw_context->current->modify_middle = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->modify_middle->x = -1;
  hashed_process_data->draw_context->current->modify_middle->y = -1;
  hashed_process_data->draw_context->current->modify_under = g_new(ItemInfo,1);
  hashed_process_data->draw_context->current->modify_under->x = -1;
  hashed_process_data->draw_context->current->modify_under->y = -1;
  hashed_process_data->draw_context->current->status = LTTV_STATE_UNNAMED;
  hashed_process_data->draw_context->previous = g_new(DrawInfo,1);
  hashed_process_data->draw_context->previous->over = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->over->x = -1;
  hashed_process_data->draw_context->previous->over->y = -1;
  hashed_process_data->draw_context->previous->middle = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->middle->x = -1;
  hashed_process_data->draw_context->previous->middle->y = -1;
  hashed_process_data->draw_context->previous->under = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->under->x = -1;
  hashed_process_data->draw_context->previous->under->y = -1;
  hashed_process_data->draw_context->previous->modify_over = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->modify_over->x = -1;
  hashed_process_data->draw_context->previous->modify_over->y = -1;
  hashed_process_data->draw_context->previous->modify_middle = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->modify_middle->x = -1;
  hashed_process_data->draw_context->previous->modify_middle->y = -1;
  hashed_process_data->draw_context->previous->modify_under = g_new(ItemInfo,1);
  hashed_process_data->draw_context->previous->modify_under->x = -1;
  hashed_process_data->draw_context->previous->modify_under->y = -1;
  hashed_process_data->draw_context->previous->status = LTTV_STATE_UNNAMED;
  
  /* Add a new row to the model */
  gtk_list_store_append ( process_list->list_store, &iter);
  //g_critical ( "iter before : %s", gtk_tree_path_to_string (
  //    gtk_tree_model_get_path (
  //        GTK_TREE_MODEL(process_list->list_store),
  //        &iter)));
  gtk_list_store_set (  process_list->list_store, &iter,
        PROCESS_COLUMN, name,
        PID_COLUMN, pid,
        BIRTH_S_COLUMN, birth->tv_sec,
        BIRTH_NS_COLUMN, birth->tv_nsec,
        -1);
  hashed_process_data->row_ref = gtk_tree_row_reference_new (
      GTK_TREE_MODEL(process_list->list_store),
      gtk_tree_model_get_path(
        GTK_TREE_MODEL(process_list->list_store),
        &iter));
  g_hash_table_insert(  process_list->process_hash,
        (gpointer)Process_Info,
        (gpointer)hashed_process_data);
  
  //g_critical ( "iter after : %s", gtk_tree_path_to_string (
  //    gtk_tree_model_get_path (
  //        GTK_TREE_MODEL(process_list->list_store),
  //        &iter)));
  process_list->number_of_process++;

  *height = get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
        * process_list->number_of_process ;
  
  
  return 0;
  
}

int processlist_remove( ProcessList *process_list,
      guint pid,
      LttTime *birth)
{
  ProcessInfo Process_Info;
  gint *path_indices;
  HashedProcessData *hashed_process_data;
  GtkTreeIter iter;
  
  Process_Info.pid = pid;
  Process_Info.birth = *birth;


  if(hashed_process_data = 
    (HashedProcessData*)g_hash_table_lookup(
          process_list->process_hash,
          &Process_Info))
  {
    gtk_tree_model_get_iter (
        GTK_TREE_MODEL(process_list->list_store),
        &iter,
        gtk_tree_row_reference_get_path(
          (GtkTreeRowReference*)hashed_process_data->row_ref)
        );

    gtk_list_store_remove (process_list->list_store, &iter);
    
    g_free(hashed_process_data->draw_context->previous->modify_under);
    g_free(hashed_process_data->draw_context->previous->modify_middle);
    g_free(hashed_process_data->draw_context->previous->modify_over);
    g_free(hashed_process_data->draw_context->previous->under);
    g_free(hashed_process_data->draw_context->previous->middle);
    g_free(hashed_process_data->draw_context->previous->over);
    g_free(hashed_process_data->draw_context->previous);
    g_free(hashed_process_data->draw_context->current->modify_under);
    g_free(hashed_process_data->draw_context->current->modify_middle);
    g_free(hashed_process_data->draw_context->current->modify_over);
    g_free(hashed_process_data->draw_context->current->under);
    g_free(hashed_process_data->draw_context->current->middle);
    g_free(hashed_process_data->draw_context->current->over);
    g_free(hashed_process_data->draw_context->current);
    g_free(hashed_process_data->draw_context);
    g_free(hashed_process_data);

    g_hash_table_remove(process_list->process_hash,
        &Process_Info);
    
    process_list->number_of_process--;

    return 0; 
  } else {
    return 1;
  }
}


guint processlist_get_height(ProcessList *process_list)
{
  return get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
        * process_list->number_of_process ;
}


gint processlist_get_process_pixels(  ProcessList *process_list,
          guint pid, LttTime *birth,
          guint *y,
          guint *height,
          HashedProcessData **pm_hashed_process_data)
{
  ProcessInfo Process_Info;
  gint *path_indices;
  GtkTreePath *tree_path;
  HashedProcessData *hashed_process_data = NULL;

  Process_Info.pid = pid;
  Process_Info.birth = *birth;

  if(hashed_process_data = 
    (HashedProcessData*)g_hash_table_lookup(
          process_list->process_hash,
          &Process_Info))
  {
    tree_path = gtk_tree_row_reference_get_path(
                    hashed_process_data->row_ref);
    path_indices =  gtk_tree_path_get_indices (tree_path);

    *height = get_cell_height(
        GTK_TREE_VIEW(process_list->process_list_widget));
    *y = *height * path_indices[0];
    *pm_hashed_process_data = hashed_process_data;
    return 0; 
  } else {
    *pm_hashed_process_data = hashed_process_data;
    return 1;
  }

}


gint processlist_get_pixels_from_data(  ProcessList *process_list,
          ProcessInfo *process_info,
          HashedProcessData *hashed_process_data,
          guint *y,
          guint *height)
{
  gint *path_indices;
  GtkTreePath *tree_path;

  tree_path = gtk_tree_row_reference_get_path(
                  hashed_process_data->row_ref);
  path_indices =  gtk_tree_path_get_indices (tree_path);

  *height = get_cell_height(
      GTK_TREE_VIEW(process_list->process_list_widget));
  *y = *height * path_indices[0];

  return 0; 

}
Commit	Line	Data
	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	#include <gtk/gtk.h>
	20	#include <glib.h>
	21
	22	#include "processlist.h"
	23	#include "drawitem.h"
	24
	25	/*****************************************************************************
	26	* Methods to synchronize process list *
	27	*****************************************************************************/
	28
	29	/* Enumeration of the columns */
	30	enum
	31	{
	32	PROCESS_COLUMN,
	33	PID_COLUMN,
	34	BIRTH_S_COLUMN,
	35	BIRTH_NS_COLUMN,
	36	N_COLUMNS
	37	};
	38
	39
	40	gint process_sort_func ( GtkTreeModel *model,
	41	GtkTreeIter *it_a,
	42	GtkTreeIter *it_b,
	43	gpointer user_data)
	44	{
	45	GValue a, b;
	46
	47	memset(&a, 0, sizeof(GValue));
	48	memset(&b, 0, sizeof(GValue));
	49
	50	/* Order by PID */
	51	gtk_tree_model_get_value( model,
	52	it_a,
	53	PID_COLUMN,
	54	&a);
	55
	56	gtk_tree_model_get_value( model,
	57	it_b,
	58	PID_COLUMN,
	59	&b);
	60
	61	if(G_VALUE_TYPE(&a) == G_TYPE_UINT
	62	&& G_VALUE_TYPE(&b) == G_TYPE_UINT )
	63	{
	64	if(g_value_get_uint(&a) > g_value_get_uint(&b))
	65	{
	66	g_value_unset(&a);
	67	g_value_unset(&b);
	68	return 1;
	69	}
	70	if(g_value_get_uint(&a) < g_value_get_uint(&b))
	71	{
	72	g_value_unset(&a);
	73	g_value_unset(&b);
	74	return 0;
	75	}
	76	}
	77
	78	g_value_unset(&a);
	79	g_value_unset(&b);
	80
	81
	82	/* Order by birth second */
	83	gtk_tree_model_get_value( model,
	84	it_a,
	85	BIRTH_S_COLUMN,
	86	&a);
	87
	88	gtk_tree_model_get_value( model,
	89	it_b,
	90	BIRTH_S_COLUMN,
	91	&b);
	92
	93
	94	if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
	95	&& G_VALUE_TYPE(&b) == G_TYPE_ULONG )
	96	{
	97	if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
	98	{
	99	g_value_unset(&a);
	100	g_value_unset(&b);
	101	return 1;
	102	}
	103	if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
	104	{
	105	g_value_unset(&a);
	106	g_value_unset(&b);
	107	return 0;
	108	}
	109
	110	}
	111
	112	g_value_unset(&a);
	113	g_value_unset(&b);
	114
	115	/* Order by birth nanosecond */
	116	gtk_tree_model_get_value( model,
	117	it_a,
	118	BIRTH_NS_COLUMN,
	119	&a);
	120
	121	gtk_tree_model_get_value( model,
	122	it_b,
	123	BIRTH_NS_COLUMN,
	124	&b);
	125
	126
	127	if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
	128	&& G_VALUE_TYPE(&b) == G_TYPE_ULONG )
	129	{
	130	if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
	131	{
	132	g_value_unset(&a);
	133	g_value_unset(&b);
	134	return 1;
	135	}
	136	// Final condition
	137	//if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
	138	//{
	139	// g_value_unset(&a);
	140	// g_value_unset(&b);
	141	// return 0;
	142	//}
	143
	144	}
	145
	146	g_value_unset(&a);
	147	g_value_unset(&b);
	148
	149	return 0;
	150
	151	}
	152
	153	guint hash_fct(gconstpointer key)
	154	{
	155	return ((ProcessInfo*)key)->pid;
	156	}
	157
	158	gboolean equ_fct(gconstpointer a, gconstpointer b)
	159	{
	160	if(((ProcessInfo)a)->pid != ((ProcessInfo)b)->pid)
	161	return 0;
	162	// g_critical("compare %u and %u",((ProcessInfo)a)->pid,((ProcessInfo)b)->pid);
	163	if(((ProcessInfo)a)->birth.tv_sec != ((ProcessInfo)b)->birth.tv_sec)
	164	return 0;
	165	// g_critical("compare %u and %u",((ProcessInfo)a)->birth.tv_sec,((ProcessInfo)b)->birth.tv_sec);
	166
	167	if(((ProcessInfo)a)->birth.tv_nsec != ((ProcessInfo)b)->birth.tv_nsec)
	168	return 0;
	169	// g_critical("compare %u and %u",((ProcessInfo)a)->birth.tv_nsec,((ProcessInfo)b)->birth.tv_nsec);
	170
	171	return 1;
	172	}
	173
	174	void destroy_hash_key(gpointer key);
	175
	176	void destroy_hash_data(gpointer data);
	177
	178
	179
	180
	181	ProcessList *processlist_construct(void)
	182	{
	183	GtkTreeViewColumn *column;
	184	GtkCellRenderer *renderer;
	185
	186	ProcessList* process_list = g_new(ProcessList,1);
	187
	188	process_list->number_of_process = 0;
	189
	190	/* Create the Process list */
	191	process_list->list_store = gtk_list_store_new ( N_COLUMNS,
	192	G_TYPE_STRING,
	193	G_TYPE_UINT,
	194	G_TYPE_ULONG,
	195	G_TYPE_ULONG);
	196
	197
	198	process_list->process_list_widget =
	199	gtk_tree_view_new_with_model
	200	(GTK_TREE_MODEL (process_list->list_store));
	201
	202	g_object_unref (G_OBJECT (process_list->list_store));
	203
	204	gtk_tree_sortable_set_sort_func(
	205	GTK_TREE_SORTABLE(process_list->list_store),
	206	PID_COLUMN,
	207	process_sort_func,
	208	NULL,
	209	NULL);
	210
	211	gtk_tree_sortable_set_sort_column_id(
	212	GTK_TREE_SORTABLE(process_list->list_store),
	213	PID_COLUMN,
	214	GTK_SORT_ASCENDING);
	215
	216	process_list->process_hash = g_hash_table_new_full(
	217	hash_fct, equ_fct,
	218	destroy_hash_key, destroy_hash_data
	219	);
	220
	221
	222	gtk_tree_view_set_headers_visible(
	223	GTK_TREE_VIEW(process_list->process_list_widget), FALSE);
	224
	225	/* Create a column, associating the "text" attribute of the
	226	* cell_renderer to the first column of the model */
	227	/* Columns alignment : 0.0 : Left 0.5 : Center 1.0 : Right */
	228	renderer = gtk_cell_renderer_text_new ();
	229	column = gtk_tree_view_column_new_with_attributes ( "Process",
	230	renderer,
	231	"text",
	232	PROCESS_COLUMN,
	233	NULL);
	234	gtk_tree_view_column_set_alignment (column, 0.0);
	235	gtk_tree_view_column_set_fixed_width (column, 45);
	236	gtk_tree_view_append_column (
	237	GTK_TREE_VIEW (process_list->process_list_widget), column);
	238
	239	column = gtk_tree_view_column_new_with_attributes ( "PID",
	240	renderer,
	241	"text",
	242	PID_COLUMN,
	243	NULL);
	244	gtk_tree_view_append_column (
	245	GTK_TREE_VIEW (process_list->process_list_widget), column);
	246
	247
	248	column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
	249	renderer,
	250	"text",
	251	BIRTH_S_COLUMN,
	252	NULL);
	253	gtk_tree_view_append_column (
	254	GTK_TREE_VIEW (process_list->process_list_widget), column);
	255
	256	//gtk_tree_view_column_set_visible(column, 0);
	257	//
	258	column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
	259	renderer,
	260	"text",
	261	BIRTH_NS_COLUMN,
	262	NULL);
	263	gtk_tree_view_append_column (
	264	GTK_TREE_VIEW (process_list->process_list_widget), column);
	265
	266	//gtk_tree_view_column_set_visible(column, 0);
	267
	268	g_object_set_data_full(
	269	G_OBJECT(process_list->process_list_widget),
	270	"process_list_Data",
	271	process_list,
	272	(GDestroyNotify)processlist_destroy);
	273
	274	return process_list;
	275	}
	276	void processlist_destroy(ProcessList *process_list)
	277	{
	278	g_hash_table_destroy(process_list->process_hash);
	279	process_list->process_hash = NULL;
	280
	281	g_free(process_list);
	282	}
	283
	284	GtkWidget processlist_get_widget(ProcessList process_list)
	285	{
	286	return process_list->process_list_widget;
	287	}
	288
	289
	290
	291	gint get_cell_height(GtkTreeView *tree_view)
	292	{
	293	gint height;
	294	GtkTreeViewColumn *Column = gtk_tree_view_get_column(tree_view, 0);
	295	//GList *Render_List = gtk_tree_view_column_get_cell_renderers(Column);
	296	//GtkCellRenderer *Renderer = g_list_first(Render_List)->data;
	297
	298	//g_list_free(Render_List);
	299	gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL, &height);
	300	//g_critical("cell 0 height : %u",height);
	301
	302	return height;
	303	}
	304
	305	void destroy_hash_key(gpointer key)
	306	{
	307	g_free(key);
	308	}
	309
	310	void destroy_hash_data(gpointer data)
	311	{
	312	g_free(data);
	313	}
	314
	315	int processlist_add( ProcessList *process_list,
	316	guint pid,
	317	LttTime *birth,
	318	gchar *name,
	319	guint *height,
	320	HashedProcessData **pm_hashed_process_data)
	321	{
	322	GtkTreeIter iter ;
	323	ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
	324	HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
	325	*pm_hashed_process_data = hashed_process_data;
	326
	327	Process_Info->pid = pid;
	328	Process_Info->birth = *birth;
	329
	330	hashed_process_data->draw_context = g_new(DrawContext, 1);
	331	hashed_process_data->draw_context->drawable = NULL;
	332	hashed_process_data->draw_context->gc = NULL;
	333	hashed_process_data->draw_context->pango_layout = NULL;
	334	hashed_process_data->draw_context->current = g_new(DrawInfo,1);
	335	hashed_process_data->draw_context->current->over = g_new(ItemInfo,1);
	336	hashed_process_data->draw_context->current->over->x = -1;
	337	hashed_process_data->draw_context->current->over->y = -1;
	338	hashed_process_data->draw_context->current->middle = g_new(ItemInfo,1);
	339	hashed_process_data->draw_context->current->middle->x = -1;
	340	hashed_process_data->draw_context->current->middle->y = -1;
	341	hashed_process_data->draw_context->current->under = g_new(ItemInfo,1);
	342	hashed_process_data->draw_context->current->under->x = -1;
	343	hashed_process_data->draw_context->current->under->y = -1;
	344	hashed_process_data->draw_context->current->modify_over = g_new(ItemInfo,1);
	345	hashed_process_data->draw_context->current->modify_over->x = -1;
	346	hashed_process_data->draw_context->current->modify_over->y = -1;
	347	hashed_process_data->draw_context->current->modify_middle = g_new(ItemInfo,1);
	348	hashed_process_data->draw_context->current->modify_middle->x = -1;
	349	hashed_process_data->draw_context->current->modify_middle->y = -1;
	350	hashed_process_data->draw_context->current->modify_under = g_new(ItemInfo,1);
	351	hashed_process_data->draw_context->current->modify_under->x = -1;
	352	hashed_process_data->draw_context->current->modify_under->y = -1;
	353	hashed_process_data->draw_context->current->status = LTTV_STATE_UNNAMED;
	354	hashed_process_data->draw_context->previous = g_new(DrawInfo,1);
	355	hashed_process_data->draw_context->previous->over = g_new(ItemInfo,1);
	356	hashed_process_data->draw_context->previous->over->x = -1;
	357	hashed_process_data->draw_context->previous->over->y = -1;
	358	hashed_process_data->draw_context->previous->middle = g_new(ItemInfo,1);
	359	hashed_process_data->draw_context->previous->middle->x = -1;
	360	hashed_process_data->draw_context->previous->middle->y = -1;
	361	hashed_process_data->draw_context->previous->under = g_new(ItemInfo,1);
	362	hashed_process_data->draw_context->previous->under->x = -1;
	363	hashed_process_data->draw_context->previous->under->y = -1;
	364	hashed_process_data->draw_context->previous->modify_over = g_new(ItemInfo,1);
	365	hashed_process_data->draw_context->previous->modify_over->x = -1;
	366	hashed_process_data->draw_context->previous->modify_over->y = -1;
	367	hashed_process_data->draw_context->previous->modify_middle = g_new(ItemInfo,1);
	368	hashed_process_data->draw_context->previous->modify_middle->x = -1;
	369	hashed_process_data->draw_context->previous->modify_middle->y = -1;
	370	hashed_process_data->draw_context->previous->modify_under = g_new(ItemInfo,1);
	371	hashed_process_data->draw_context->previous->modify_under->x = -1;
	372	hashed_process_data->draw_context->previous->modify_under->y = -1;
	373	hashed_process_data->draw_context->previous->status = LTTV_STATE_UNNAMED;
	374
	375	/* Add a new row to the model */
	376	gtk_list_store_append ( process_list->list_store, &iter);
	377	//g_critical ( "iter before : %s", gtk_tree_path_to_string (
	378	// gtk_tree_model_get_path (
	379	// GTK_TREE_MODEL(process_list->list_store),
	380	// &iter)));
	381	gtk_list_store_set ( process_list->list_store, &iter,
	382	PROCESS_COLUMN, name,
	383	PID_COLUMN, pid,
	384	BIRTH_S_COLUMN, birth->tv_sec,
	385	BIRTH_NS_COLUMN, birth->tv_nsec,
	386	-1);
	387	hashed_process_data->row_ref = gtk_tree_row_reference_new (
	388	GTK_TREE_MODEL(process_list->list_store),
	389	gtk_tree_model_get_path(
	390	GTK_TREE_MODEL(process_list->list_store),
	391	&iter));
	392	g_hash_table_insert( process_list->process_hash,
	393	(gpointer)Process_Info,
	394	(gpointer)hashed_process_data);
	395
	396	//g_critical ( "iter after : %s", gtk_tree_path_to_string (
	397	// gtk_tree_model_get_path (
	398	// GTK_TREE_MODEL(process_list->list_store),
	399	// &iter)));
	400	process_list->number_of_process++;
	401
	402	*height = get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
	403	* process_list->number_of_process ;
	404
	405
	406	return 0;
	407
	408	}
	409
	410	int processlist_remove( ProcessList *process_list,
	411	guint pid,
	412	LttTime *birth)
	413	{
	414	ProcessInfo Process_Info;
	415	gint *path_indices;
	416	HashedProcessData *hashed_process_data;
	417	GtkTreeIter iter;
	418
	419	Process_Info.pid = pid;
	420	Process_Info.birth = *birth;
	421
	422
	423	if(hashed_process_data =
	424	(HashedProcessData*)g_hash_table_lookup(
	425	process_list->process_hash,
	426	&Process_Info))
	427	{
	428	gtk_tree_model_get_iter (
	429	GTK_TREE_MODEL(process_list->list_store),
	430	&iter,
	431	gtk_tree_row_reference_get_path(
	432	(GtkTreeRowReference*)hashed_process_data->row_ref)
	433	);
	434
	435	gtk_list_store_remove (process_list->list_store, &iter);
	436
	437	g_free(hashed_process_data->draw_context->previous->modify_under);
	438	g_free(hashed_process_data->draw_context->previous->modify_middle);
	439	g_free(hashed_process_data->draw_context->previous->modify_over);
	440	g_free(hashed_process_data->draw_context->previous->under);
	441	g_free(hashed_process_data->draw_context->previous->middle);
	442	g_free(hashed_process_data->draw_context->previous->over);
	443	g_free(hashed_process_data->draw_context->previous);
	444	g_free(hashed_process_data->draw_context->current->modify_under);
	445	g_free(hashed_process_data->draw_context->current->modify_middle);
	446	g_free(hashed_process_data->draw_context->current->modify_over);
	447	g_free(hashed_process_data->draw_context->current->under);
	448	g_free(hashed_process_data->draw_context->current->middle);
	449	g_free(hashed_process_data->draw_context->current->over);
	450	g_free(hashed_process_data->draw_context->current);
	451	g_free(hashed_process_data->draw_context);
	452	g_free(hashed_process_data);
	453
	454	g_hash_table_remove(process_list->process_hash,
	455	&Process_Info);
	456
	457	process_list->number_of_process--;
	458
	459	return 0;
	460	} else {
	461	return 1;
	462	}
	463	}
	464
	465
	466	guint processlist_get_height(ProcessList *process_list)
	467	{
	468	return get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
	469	* process_list->number_of_process ;
	470	}
	471
	472
	473	gint processlist_get_process_pixels( ProcessList *process_list,
	474	guint pid, LttTime *birth,
	475	guint *y,
	476	guint *height,
	477	HashedProcessData **pm_hashed_process_data)
	478	{
	479	ProcessInfo Process_Info;
	480	gint *path_indices;
	481	GtkTreePath *tree_path;
	482	HashedProcessData *hashed_process_data = NULL;
	483
	484	Process_Info.pid = pid;
	485	Process_Info.birth = *birth;
	486
	487	if(hashed_process_data =
	488	(HashedProcessData*)g_hash_table_lookup(
	489	process_list->process_hash,
	490	&Process_Info))
	491	{
	492	tree_path = gtk_tree_row_reference_get_path(
	493	hashed_process_data->row_ref);
	494	path_indices = gtk_tree_path_get_indices (tree_path);
	495
	496	*height = get_cell_height(
	497	GTK_TREE_VIEW(process_list->process_list_widget));
	498	y = height * path_indices[0];
	499	*pm_hashed_process_data = hashed_process_data;
	500	return 0;
	501	} else {
	502	*pm_hashed_process_data = hashed_process_data;
	503	return 1;
	504	}
	505
	506	}
	507
	508
	509	gint processlist_get_pixels_from_data( ProcessList *process_list,
	510	ProcessInfo *process_info,
	511	HashedProcessData *hashed_process_data,
	512	guint *y,
	513	guint *height)
	514	{
	515	gint *path_indices;
	516	GtkTreePath *tree_path;
	517
	518	tree_path = gtk_tree_row_reference_get_path(
	519	hashed_process_data->row_ref);
	520	path_indices = gtk_tree_path_get_indices (tree_path);
	521
	522	*height = get_cell_height(
	523	GTK_TREE_VIEW(process_list->process_list_widget));
	524	y = height * path_indices[0];
	525
	526	return 0;
	527
	528	}