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

/* 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.
 */


#ifndef _PROCESS_LIST_H
#define _PROCESS_LIST_H

#include <gtk/gtk.h>
#include <lttv/state.h>
#include <ltt/ltt.h>

#include "drawitem.h"

/* The process list
 *
 * Tasks :
 * Create a process list
 * contains the data for the process list
 * tells the height of the process list widget
 * provides methods to add/remove process from the list
 *  note : the sync with drawing is left to the caller.
 * provides helper function to convert a process unique identifier to
 *  pixels (in height).
 *
 * //FIXME : connect the scrolled window adjustment with the list.
 */

typedef struct _ProcessInfo {
  
  guint pid;
  LttTime birth;

} ProcessInfo;

typedef struct _HashedProcessData {
  
  GtkTreeRowReference *row_ref;
  DrawContext *draw_context;

} HashedProcessData;
  
struct _ProcessList {
  
  GtkWidget *process_list_widget;
  GtkListStore *list_store;

  /* A hash table by PID to speed up process position find in the list */
  GHashTable *process_hash;
  
  guint number_of_process;
};


typedef struct _ProcessList ProcessList;

ProcessList *processlist_construct(void);
void processlist_destroy(ProcessList *process_list);
GtkWidget *processlist_get_widget(ProcessList *process_list);

// out : success (0) and height
int processlist_add(ProcessList *process_list, guint pid, LttTime *birth,
    gchar *name, guint *height, HashedProcessData **hashed_process_data);
// out : success (0) and height
int processlist_remove(ProcessList *process_list, guint pid, LttTime *birth);

guint processlist_get_height(ProcessList *process_list);

// Returns 0 on success
gint processlist_get_process_pixels(ProcessList *process_list,
        guint pid, LttTime *birth,
        guint *y, guint *height,
        HashedProcessData **hashed_process_data);

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

#endif // _PROCESS_LIST_H
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
	20
	21	#ifndef _PROCESS_LIST_H
	22	#define _PROCESS_LIST_H
	23
	24	#include <gtk/gtk.h>
	25	#include <lttv/state.h>
	26	#include <ltt/ltt.h>
	27
	28	#include "drawitem.h"
	29
	30	/* The process list
	31	*
	32	* Tasks :
	33	* Create a process list
	34	* contains the data for the process list
	35	* tells the height of the process list widget
	36	* provides methods to add/remove process from the list
	37	* note : the sync with drawing is left to the caller.
	38	* provides helper function to convert a process unique identifier to
	39	* pixels (in height).
	40	*
	41	* //FIXME : connect the scrolled window adjustment with the list.
	42	*/
	43
	44	typedef struct _ProcessInfo {
	45
	46	guint pid;
	47	LttTime birth;
	48
	49	} ProcessInfo;
	50
	51	typedef struct _HashedProcessData {
	52
	53	GtkTreeRowReference *row_ref;
	54	DrawContext *draw_context;
	55
	56	} HashedProcessData;
	57
	58	struct _ProcessList {
	59
	60	GtkWidget *process_list_widget;
	61	GtkListStore *list_store;
	62
	63	/* A hash table by PID to speed up process position find in the list */
	64	GHashTable *process_hash;
	65
	66	guint number_of_process;
	67	};
	68
	69
	70	typedef struct _ProcessList ProcessList;
	71
	72	ProcessList *processlist_construct(void);
	73	void processlist_destroy(ProcessList *process_list);
	74	GtkWidget processlist_get_widget(ProcessList process_list);
	75
	76	// out : success (0) and height
	77	int processlist_add(ProcessList process_list, guint pid, LttTime birth,
	78	gchar name, guint height, HashedProcessData **hashed_process_data);
	79	// out : success (0) and height
	80	int processlist_remove(ProcessList process_list, guint pid, LttTime birth);
	81
	82	guint processlist_get_height(ProcessList *process_list);
	83
	84	// Returns 0 on success
	85	gint processlist_get_process_pixels(ProcessList *process_list,
	86	guint pid, LttTime *birth,
	87	guint y, guint height,
	88	HashedProcessData **hashed_process_data);
	89
	90	gint processlist_get_pixels_from_data( ProcessList *process_list,
	91	ProcessInfo *process_info,
	92	HashedProcessData *hashed_process_data,
	93	guint *y,
	94	guint *height);
	95
	96	#endif // _PROCESS_LIST_H