1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
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;
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.
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,
21 #ifndef _PROCESS_LIST_H
22 #define _PROCESS_LIST_H
25 #include <lttv/state.h>
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
44 /* Enumeration of the columns */
58 typedef struct _ProcessInfo
{
70 typedef struct _HashedProcessData
{
72 GdkPixmap
*pixmap
; // Pixmap slice containing drawing buffer for the PID
73 gint height
; // height of the pixmap
74 GtkTreeIter y_iter
; // Access quickly to y pos.
75 // DrawContext *draw_context;
76 /* Information on current drawing */
79 gboolean over_used
; /* inform the user that information is incomplete */
80 gboolean over_marked
; /* inform the user that information is incomplete */
82 gboolean middle_used
; /* inform the user that information is incomplete */
83 gboolean middle_marked
;/* inform the user that information is incomplete */
85 gboolean under_used
; /* inform the user that information is incomplete */
86 gboolean under_marked
; /* inform the user that information is incomplete */
87 } x
; /* last x position saved by after state update */
89 LttTime next_good_time
; /* precalculate the next time where the next
96 GtkWidget
*process_list_widget
;
97 GtkListStore
*list_store
;
98 GtkWidget
*button
; /* one button of the tree view */
99 GtkCellRenderer
*renderer
;
101 /* A hash table by PID to speed up process position find in the list */
102 GHashTable
*process_hash
;
104 guint number_of_process
;
107 /* Current process, one per cpu */
108 HashedProcessData
**current_hash_data
;
110 /* Array containing index -> pixmap correspondance. Must be updated
111 * every time the process list is reordered, process added or removed */
112 GPtrArray
* index_to_pixmap
;
117 typedef struct _ProcessList ProcessList
;
120 #ifndef TYPE_DRAWING_T_DEFINED
121 #define TYPE_DRAWING_T_DEFINED
122 typedef struct _Drawing_t Drawing_t
;
123 #endif //TYPE_DRAWING_T_DEFINED
125 ProcessList
*processlist_construct(void);
126 void processlist_destroy(ProcessList
*process_list
);
127 GtkWidget
*processlist_get_widget(ProcessList
*process_list
);
129 void processlist_clear(ProcessList
*process_list
);
131 // out : success (0) and height
132 /* CPU num is only used for PID 0 */
133 int processlist_add(ProcessList
*process_list
, Drawing_t
* drawing
,
134 guint pid
, guint cpu
, guint ppid
,
135 LttTime
*birth
, guint trace_num
, const gchar
*name
, guint
*height
,
136 ProcessInfo
**process_info
,
137 HashedProcessData
**hashed_process_data
);
138 // out : success (0) and height
139 int processlist_remove(ProcessList
*process_list
, guint pid
, guint cpu
,
140 LttTime
*birth
, guint trace_num
);
143 /* Synchronize the list at the left and the drawing */
144 void update_index_to_pixmap(ProcessList
*process_list
);
146 /* Update the width of each pixmap buffer for each process */
147 void update_pixmap_size(ProcessList
*process_list
, guint width
);
150 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
151 void copy_pixmap_region(ProcessList
*process_list
, GdkDrawable
*dest
,
152 GdkGC
*gc
, GdkDrawable
*src
,
153 gint xsrc
, gint ysrc
,
154 gint xdest
, gint ydest
, gint width
, gint height
);
156 /* If height is -1, the height of each pixmap is used */
157 void rectangle_pixmap(ProcessList
*process_list
, GdkGC
*gc
,
158 gboolean filled
, gint x
, gint y
, gint width
, gint height
);
160 /* Renders each pixmaps into on big drawable */
161 void copy_pixmap_to_screen(ProcessList
*process_list
,
165 gint width
, gint height
);
170 static inline guint
processlist_get_height(ProcessList
*process_list
)
172 return process_list
->cell_height
* process_list
->number_of_process
;
176 static inline HashedProcessData
*processlist_get_process_data(
177 ProcessList
*process_list
,
178 guint pid
, guint cpu
, LttTime
*birth
, guint trace_num
)
180 ProcessInfo process_info
;
182 process_info
.pid
= pid
;
184 process_info
.cpu
= cpu
;
186 process_info
.cpu
= 0;
187 process_info
.birth
= *birth
;
188 process_info
.trace_num
= trace_num
;
190 return (HashedProcessData
*)g_hash_table_lookup(
191 process_list
->process_hash
,
196 static inline gint
processlist_get_pixels_from_data( ProcessList
*process_list
,
197 HashedProcessData
*hashed_process_data
,
202 GtkTreePath
*tree_path
;
204 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
205 &hashed_process_data
->y_iter
);
206 path_indices
= gtk_tree_path_get_indices (tree_path
);
208 *height
= get_cell_height(process_list
,
209 (GtkTreeView
*)process_list
->process_list_widget
);
210 *y
= *height
* path_indices
[0];
211 gtk_tree_path_free(tree_path
);
217 static inline guint
processlist_get_index_from_data(ProcessList
*process_list
,
218 HashedProcessData
*hashed_process_data
)
221 GtkTreePath
*tree_path
;
224 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
225 &hashed_process_data
->y_iter
);
226 path_indices
= gtk_tree_path_get_indices (tree_path
);
228 ret
= path_indices
[0];
230 gtk_tree_path_free(tree_path
);
237 #endif // _PROCESS_LIST_H
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