ltt/branches/poly/lttv/modules/gui/ControlFlow/process-list.h

   1 #ifndef _PROCESS_LIST_H
   2 #define _PROCESS_LIST_H
   3
   4 #include <gtk/gtk.h>
   5 #include <lttv/state.h>
   6 #include <ltt/ltt.h>
   7 #include "Draw_Item.h"
   8
   9 /* The process list
  10  *
  11  * Tasks :
  12  * Create a process list
  13  * contains the data for the process list
  14  * tells the height of the process list widget
  15  * provides methods to add/remove process from the list
  16  *  note : the sync with drawing is left to the caller.
  17  * provides helper function to convert a process unique identifier to
  18  *  pixels (in height).
  19  *
  20  * //FIXME : connect the scrolled window adjustment with the list.
  21  */
  22
  23 typedef struct _ProcessInfo {
  24
  25   guint pid;
  26   LttTime birth;
  27
  28 } ProcessInfo;
  29
  30 typedef struct _HashedProcessData {
  31
  32   GtkTreeRowReference *row_ref;
  33   DrawContext *draw_context;
  34
  35 } HashedProcessData;
  36
  37 struct _ProcessList {
  38
  39   GtkWidget *process_list_widget;
  40   GtkListStore *list_store;
  41
  42   /* A hash table by PID to speed up process position find in the list */
  43   GHashTable *process_hash;
  44
  45   guint number_of_process;
  46 };
  47
  48
  49 typedef struct _ProcessList ProcessList;
  50
  51 ProcessList *processlist_construct(void);
  52 void processlist_destroy(ProcessList *process_list);
  53 GtkWidget *processlist_get_widget(ProcessList *process_list);
  54
  55 // out : success (0) and height
  56 int processlist_add(ProcessList *process_list, guint pid, LttTime *birth,
  57     gchar *name, guint *height, HashedProcessData **hashed_process_data);
  58 // out : success (0) and height
  59 int processlist_remove(ProcessList *process_list, guint pid, LttTime *birth);
  60
  61 guint processlist_get_height(ProcessList *process_list);
  62
  63 // Returns 0 on success
  64 gint processlist_get_process_pixels(ProcessList *process_list,
  65         guint pid, LttTime *birth,
  66         guint *y, guint *height,
  67         HashedProcessData **hashed_process_data);
  68
  69 gint processlist_get_pixels_from_data(  ProcessList *process_list,
  70           ProcessInfo *process_info,
  71           HashedProcessData *hashed_process_data,
  72           guint *y,
  73           guint *height);
  74
  75 #endif // _PROCESS_LIST_H