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
26 #include <lttv/state.h>
34 * Create a process list
35 * contains the data for the process list
36 * tells the height of the process list widget
37 * provides methods to add/remove process from the list
38 * note : the sync with drawing is left to the caller.
39 * provides helper function to convert a process unique identifier to
45 /* Enumeration of the columns */
59 typedef struct _ProcessInfo
{
71 typedef struct _HashedProcessData
{
73 GdkPixmap
*pixmap
; // Pixmap slice containing drawing buffer for the PID
74 gint height
; // height of the pixmap
75 GtkTreeIter y_iter
; // Access quickly to y pos.
76 // DrawContext *draw_context;
77 /* Information on current drawing */
80 gboolean over_used
; /* inform the user that information is incomplete */
81 gboolean over_marked
; /* inform the user that information is incomplete */
83 gboolean middle_used
; /* inform the user that information is incomplete */
84 gboolean middle_marked
;/* inform the user that information is incomplete */
86 gboolean under_used
; /* inform the user that information is incomplete */
87 gboolean under_marked
; /* inform the user that information is incomplete */
88 } x
; /* last x position saved by after state update */
90 LttTime next_good_time
; /* precalculate the next time where the next
97 GtkWidget
*process_list_widget
;
98 GtkListStore
*list_store
;
99 GtkWidget
*button
; /* one button of the tree view */
100 GtkCellRenderer
*renderer
;
102 /* A hash table by PID to speed up process position find in the list */
103 GHashTable
*process_hash
;
105 guint number_of_process
;
108 /* Current process, one per cpu */
109 HashedProcessData
**current_hash_data
;
111 /* Array containing index -> pixmap correspondance. Must be updated
112 * every time the process list is reordered, process added or removed */
113 GPtrArray
* index_to_pixmap
;
118 typedef struct _ProcessList ProcessList
;
121 #ifndef TYPE_DRAWING_T_DEFINED
122 #define TYPE_DRAWING_T_DEFINED
123 typedef struct _Drawing_t Drawing_t
;
124 #endif //TYPE_DRAWING_T_DEFINED
126 ProcessList
*processlist_construct(void);
127 void processlist_destroy(ProcessList
*process_list
);
128 GtkWidget
*processlist_get_widget(ProcessList
*process_list
);
130 void processlist_clear(ProcessList
*process_list
);
132 // out : success (0) and height
133 /* CPU num is only used for PID 0 */
134 int processlist_add(ProcessList
*process_list
, Drawing_t
* drawing
,
135 guint pid
, guint cpu
, guint ppid
,
136 LttTime
*birth
, guint trace_num
, GQuark name
, guint
*height
,
137 ProcessInfo
**process_info
,
138 HashedProcessData
**hashed_process_data
);
139 // out : success (0) and height
140 int processlist_remove(ProcessList
*process_list
, guint pid
, guint cpu
,
141 LttTime
*birth
, guint trace_num
);
143 /* Set the name of a process */
144 void processlist_set_name(ProcessList
*process_list
,
146 HashedProcessData
*hashed_process_data
);
148 /* Set the ppid of a process */
149 void processlist_set_ppid(ProcessList
*process_list
,
151 HashedProcessData
*hashed_process_data
);
154 /* Synchronize the list at the left and the drawing */
155 void update_index_to_pixmap(ProcessList
*process_list
);
157 /* Update the width of each pixmap buffer for each process */
158 void update_pixmap_size(ProcessList
*process_list
, guint width
);
161 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
162 void copy_pixmap_region(ProcessList
*process_list
, GdkDrawable
*dest
,
163 GdkGC
*gc
, GdkDrawable
*src
,
164 gint xsrc
, gint ysrc
,
165 gint xdest
, gint ydest
, gint width
, gint height
);
167 /* If height is -1, the height of each pixmap is used */
168 void rectangle_pixmap(ProcessList
*process_list
, GdkGC
*gc
,
169 gboolean filled
, gint x
, gint y
, gint width
, gint height
);
171 /* Renders each pixmaps into on big drawable */
172 void copy_pixmap_to_screen(ProcessList
*process_list
,
176 gint width
, gint height
);
179 static inline gint
get_cell_height(GtkTreeView
*TreeView
)
182 GtkTreeViewColumn
*column
= gtk_tree_view_get_column(TreeView
, 0);
184 gtk_tree_view_column_cell_get_size(column
, NULL
, NULL
, NULL
, NULL
, &height
);
186 gint vertical_separator
;
187 gtk_widget_style_get (GTK_WIDGET (TreeView
),
188 "vertical-separator", &vertical_separator
,
190 height
+= vertical_separator
;
195 static inline guint
processlist_get_height(ProcessList
*process_list
)
197 return process_list
->cell_height
* process_list
->number_of_process
;
201 static inline HashedProcessData
*processlist_get_process_data(
202 ProcessList
*process_list
,
203 guint pid
, guint cpu
, LttTime
*birth
, guint trace_num
)
205 ProcessInfo process_info
;
207 process_info
.pid
= pid
;
209 process_info
.cpu
= cpu
;
211 process_info
.cpu
= ANY_CPU
;
212 process_info
.birth
= *birth
;
213 process_info
.trace_num
= trace_num
;
215 return (HashedProcessData
*)g_hash_table_lookup(
216 process_list
->process_hash
,
221 static inline gint
processlist_get_pixels_from_data( ProcessList
*process_list
,
222 HashedProcessData
*hashed_process_data
,
227 GtkTreePath
*tree_path
;
229 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
230 &hashed_process_data
->y_iter
);
231 path_indices
= gtk_tree_path_get_indices (tree_path
);
233 *height
= get_cell_height((GtkTreeView
*)process_list
->process_list_widget
);
234 *y
= *height
* path_indices
[0];
235 gtk_tree_path_free(tree_path
);
241 static inline guint
processlist_get_index_from_data(ProcessList
*process_list
,
242 HashedProcessData
*hashed_process_data
)
245 GtkTreePath
*tree_path
;
248 tree_path
= gtk_tree_model_get_path((GtkTreeModel
*)process_list
->list_store
,
249 &hashed_process_data
->y_iter
);
250 path_indices
= gtk_tree_path_get_indices (tree_path
);
252 ret
= path_indices
[0];
254 gtk_tree_path_free(tree_path
);
261 #endif // _PROCESS_LIST_H
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