ltt/branches/poly/lttv/modules/gui/resourceview/processlist.h

   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 #ifndef _PROCESS_LIST_H
  20 #define _PROCESS_LIST_H
  21
  22 #include <gtk/gtk.h>
  23 #include <gdk/gdk.h>
  24 #include <lttv/state.h>
  25 #include <ltt/ltt.h>
  26
  27 #include "drawitem.h"
  28
  29 /* The process list
  30  *
  31  * Tasks :
  32  * Create a process list
  33  * contains the data for the process list
  34  * tells the height of the process list widget
  35  * provides methods to add/remove process from the list
  36  *  note : the sync with drawing is left to the caller.
  37  * provides helper function to convert a process unique identifier to
  38  *  pixels (in height).
  39  *
  40  */
  41
  42
  43 /* Enumeration of the columns */
  44 enum
  45 {
  46   NAME_COLUMN,
  47   N_COLUMNS
  48 };
  49
  50
  51 typedef struct _ResourceInfo {
  52   GQuark name;
  53   guint trace_num;
  54   guint type;
  55   guint id;
  56 } ResourceInfo;
  57
  58 typedef struct _HashedResourceData {
  59
  60   GdkPixmap *pixmap;  // Pixmap slice containing drawing buffer for the PID
  61   gint height; // height of the pixmap
  62   GtkTreeIter y_iter; // Access quickly to y pos.
  63  // DrawContext *draw_context;
  64   /* Information on current drawing */
  65   struct {
  66     guint over;
  67     gboolean over_used;    /* inform the user that information is incomplete */
  68     gboolean over_marked;  /* inform the user that information is incomplete */
  69     guint middle;
  70     gboolean middle_used;  /* inform the user that information is incomplete */
  71     gboolean middle_marked;/* inform the user that information is incomplete */
  72     guint under;
  73     gboolean under_used;   /* inform the user that information is incomplete */
  74     gboolean under_marked; /* inform the user that information is incomplete */
  75   } x; /* last x position saved by after state update */
  76
  77   LttTime next_good_time; /* precalculate the next time where the next
  78                              pixel is.*/
  79
  80 } HashedResourceData;
  81
  82 struct _ProcessList {
  83
  84   GtkWidget *process_list_widget;
  85   GtkListStore *list_store;
  86   GtkWidget *button; /* one button of the tree view */
  87   GtkCellRenderer *renderer;
  88
  89   /* A hash table by PID to speed up process position find in the list */
  90   GHashTable *process_hash;
  91
  92   guint number_of_process;
  93   gint cell_height;
  94
  95   /* Current process pointer, one per cpu, one per trace */
  96   HashedResourceData ***current_hash_data;
  97
  98   /* Array containing index -> pixmap correspondance. Must be updated
  99    * every time the process list is reordered, process added or removed */
 100   GPtrArray * index_to_pixmap;
 101
 102 };
 103
 104
 105 typedef struct _ProcessList ProcessList;
 106
 107
 108 #ifndef TYPE_DRAWING_T_DEFINED
 109 #define TYPE_DRAWING_T_DEFINED
 110 typedef struct _Drawing_t Drawing_t;
 111 #endif //TYPE_DRAWING_T_DEFINED
 112
 113 ProcessList *processlist_construct(void);
 114 void processlist_destroy(ProcessList *process_list);
 115 GtkWidget *processlist_get_widget(ProcessList *process_list);
 116
 117 void processlist_clear(ProcessList *process_list);
 118
 119 // out : success (0) and height
 120 /* CPU num is only used for PID 0 */
 121 int processlist_add(ProcessList *process_list, Drawing_t * drawing,
 122     guint pid, guint tgid, guint cpu, guint ppid,
 123     LttTime *birth, guint trace_num, GQuark name, GQuark brand, guint *height,
 124     ResourceInfo **process_info,
 125     HashedResourceData **hashed_process_data);
 126 // out : success (0) and height
 127 int processlist_remove(ProcessList *process_list, guint pid, guint cpu,
 128     LttTime *birth, guint trace_num);
 129
 130 /* Set the name of a process */
 131 void processlist_set_name(ProcessList *process_list,
 132     GQuark name,
 133     HashedResourceData *hashed_process_data);
 134
 135 void processlist_set_brand(ProcessList *process_list,
 136     GQuark brand,
 137     HashedResourceData *hashed_process_data);
 138
 139 /* Set the ppid of a process */
 140 void processlist_set_tgid(ProcessList *process_list,
 141     guint tgid,
 142     HashedResourceData *hashed_process_data);
 143 void processlist_set_ppid(ProcessList *process_list,
 144     guint ppid,
 145     HashedResourceData *hashed_process_data);
 146
 147
 148 /* Synchronize the list at the left and the drawing */
 149 void update_index_to_pixmap(ProcessList *process_list);
 150
 151 /* Update the width of each pixmap buffer for each process */
 152 void update_pixmap_size(ProcessList *process_list, guint width);
 153
 154
 155 /* Put src and/or dest to NULL to copy from/to the each PID specific pixmap */
 156 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 157     GdkGC *gc, GdkDrawable *src,
 158     gint xsrc, gint ysrc,
 159     gint xdest, gint ydest, gint width, gint height);
 160
 161 /* If height is -1, the height of each pixmap is used */
 162 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 163     gboolean filled, gint x, gint y, gint width, gint height);
 164
 165 /* Renders each pixmaps into on big drawable */
 166 void copy_pixmap_to_screen(ProcessList *process_list,
 167     GdkDrawable *dest,
 168     GdkGC *gc,
 169     gint x, gint y,
 170     gint width, gint height);
 171
 172
 173 static inline gint get_cell_height(GtkTreeView *TreeView)
 174 {
 175   gint height;
 176   GtkTreeViewColumn *column = gtk_tree_view_get_column(TreeView, 0);
 177
 178   gtk_tree_view_column_cell_get_size(column, NULL, NULL, NULL, NULL, &height);
 179
 180   gint vertical_separator;
 181   gtk_widget_style_get (GTK_WIDGET (TreeView),
 182       "vertical-separator", &vertical_separator,
 183       NULL);
 184   height += vertical_separator;
 185
 186   return height;
 187 }
 188
 189 static inline guint processlist_get_height(ProcessList *process_list)
 190 {
 191   return process_list->cell_height * process_list->number_of_process ;
 192 }
 193
 194
 195 static inline HashedResourceData *processlist_get_process_data(
 196           ProcessList *process_list, GQuark resource_name, guint trace_num)
 197 {
 198   ResourceInfo resource_info;
 199
 200 //  process_info.pid = pid;
 201 //  if(pid == 0)
 202 //    process_info.cpu = cpu;
 203 //  else
 204 //    process_info.cpu = ANY_CPU;
 205 //  process_info.birth = *birth;
 206 //  process_info.trace_num = trace_num;
 207   resource_info.name = resource_name;
 208   resource_info.trace_num = trace_num;
 209
 210   return  (HashedResourceData*)g_hash_table_lookup(
 211                 process_list->process_hash,
 212                 &resource_info);
 213 }
 214
 215
 216 static inline gint processlist_get_pixels_from_data(  ProcessList *process_list,
 217           HashedResourceData *hashed_process_data,
 218           guint *y,
 219           guint *height)
 220 {
 221   gint *path_indices;
 222   GtkTreePath *tree_path;
 223
 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);
 227
 228   *height = get_cell_height((GtkTreeView*)process_list->process_list_widget);
 229   *y = *height * path_indices[0];
 230   gtk_tree_path_free(tree_path);
 231
 232   return 0;
 233
 234 }
 235
 236 static inline guint processlist_get_index_from_data(ProcessList *process_list,
 237           HashedResourceData *hashed_process_data)
 238 {
 239   gint *path_indices;
 240   GtkTreePath *tree_path;
 241   guint ret;
 242
 243   tree_path = gtk_tree_model_get_path((GtkTreeModel*)process_list->list_store,
 244                     &hashed_process_data->y_iter);
 245   path_indices =  gtk_tree_path_get_indices (tree_path);
 246
 247   ret = path_indices[0];
 248
 249   gtk_tree_path_free(tree_path);
 250
 251   return ret;
 252 }
 253
 254
 255
 256 #endif // _PROCESS_LIST_H