ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   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 #ifdef HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <limits.h> // for PATH_MAX
  24 #include <stdlib.h>
  25
  26 #include <gtk/gtk.h>
  27
  28 #include "callbacks.h"
  29 #include "interface.h"
  30 #include "support.h"
  31 #include <ltt/trace.h>
  32 #include <ltt/facility.h>
  33 #include <ltt/time.h>
  34 #include <ltt/event.h>
  35 #include <lttv/lttv.h>
  36 #include <lttv/module.h>
  37 #include <lttv/iattribute.h>
  38 #include <lttv/stats.h>
  39 #include <lttvwindow/mainwindow.h>
  40 #include <lttvwindow/mainwindow-private.h>
  41 #include <lttvwindow/menu.h>
  42 #include <lttvwindow/toolbar.h>
  43 #include <lttvwindow/lttvwindow.h>
  44 #include <lttvwindow/lttvwindowtraces.h>
  45 #include <lttvwindow/gtkdirsel.h>
  46 #include <lttvwindow/lttvfilter.h>
  47
  48
  49 #define DEFAULT_TIME_WIDTH_S   1
  50
  51 extern LttvTrace *g_init_trace ;
  52
  53
  54 /** Array containing instanced objects. */
  55 extern GSList * g_main_window_list;
  56
  57 /** MD : keep old directory. */
  58 static char remember_plugins_dir[PATH_MAX] = "";
  59 static char remember_trace_dir[PATH_MAX] = "";
  60
  61
  62 MainWindow * get_window_data_struct(GtkWidget * widget);
  63 char * get_unload_module(char ** loaded_module_name, int nb_module);
  64 char * get_remove_trace(char ** all_trace_name, int nb_trace);
  65 char * get_selection(char ** all_name, int nb, char *title, char * column_title);
  66 gboolean get_filter_selection(LttvTracesetSelector *s, char *title, char * column_title);
  67 Tab* create_tab(MainWindow * mw, Tab *copy_tab,
  68                   GtkNotebook * notebook, char * label);
  69
  70 static void insert_viewer(GtkWidget* widget, lttvwindow_viewer_constructor constructor);
  71 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store );
  72
  73 void checkbox_changed(GtkTreeView *treeview,
  74                       GtkTreePath *arg1,
  75                       GtkTreeViewColumn *arg2,
  76                       gpointer user_data);
  77 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i);
  78 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * trace);
  79 Tab *create_new_tab(GtkWidget* widget, gpointer user_data);
  80
  81 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset);
  82
  83 static gboolean lttvwindow_process_pending_requests(Tab *tab);
  84
  85 enum {
  86   CHECKBOX_COLUMN,
  87   NAME_COLUMN,
  88   TOTAL_COLUMNS
  89 };
  90
  91 enum
  92 {
  93   MODULE_COLUMN,
  94   N_COLUMNS
  95 };
  96
  97 /* Construct a selector(filter), which will be associated with a viewer,
  98  * and provides an interface for user to select interested events and traces
  99  */
 100
 101 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset)
 102 {
 103   LttvTracesetSelector  * s;
 104   LttvTraceSelector     * trace;
 105   LttvTracefileSelector * tracefile;
 106   LttvEventtypeSelector * eventtype;
 107   int i, j, k, m;
 108   int nb_trace, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 109   LttvTrace * trace_v;
 110   LttTrace  * t;
 111   LttTracefile *tf;
 112   LttFacility * fac;
 113   LttEventType * et;
 114
 115   s = lttv_traceset_selector_new(lttv_traceset_name(traceset));
 116   nb_trace = lttv_traceset_number(traceset);
 117   for(i=0;i<nb_trace;i++){
 118     trace_v = lttv_traceset_get(traceset, i);
 119     t       = lttv_trace(trace_v);
 120     trace   = lttv_trace_selector_new(t);
 121     lttv_traceset_selector_trace_add(s, trace);
 122
 123     nb_facility = ltt_trace_facility_number(t);
 124     for(k=0;k<nb_facility;k++){
 125       fac = ltt_trace_facility_get(t,k);
 126       nb_event = (int) ltt_facility_eventtype_number(fac);
 127       for(m=0;m<nb_event;m++){
 128         et = ltt_facility_eventtype_get(fac,m);
 129         eventtype = lttv_eventtype_selector_new(et);
 130         lttv_trace_selector_eventtype_add(trace, eventtype);
 131       }
 132     }
 133
 134     nb_control = ltt_trace_control_tracefile_number(t);
 135     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 136     nb_tracefile = nb_control + nb_per_cpu;
 137
 138     for(j = 0 ; j < nb_tracefile ; j++) {
 139       if(j < nb_control)
 140         tf = ltt_trace_control_tracefile_get(t, j);
 141       else
 142         tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 143       tracefile = lttv_tracefile_selector_new(tf);
 144       lttv_trace_selector_tracefile_add(trace, tracefile);
 145       lttv_eventtype_selector_copy(trace, tracefile);
 146     }
 147   }
 148   return s;
 149 }
 150
 151
 152 /* insert_viewer function constructs an instance of a viewer first,
 153  * then inserts the widget of the instance into the container of the
 154  * main window
 155  */
 156
 157 void
 158 insert_viewer_wrap(GtkWidget *menuitem, gpointer user_data)
 159 {
 160   guint val = 20;
 161
 162   insert_viewer((GtkWidget*)menuitem, (lttvwindow_viewer_constructor)user_data);
 163   //  selected_hook(&val);
 164 }
 165
 166
 167 /* internal functions */
 168 void insert_viewer(GtkWidget* widget, lttvwindow_viewer_constructor constructor)
 169 {
 170   GtkMultiVPaned * multi_vpaned;
 171   MainWindow * mw_data = get_window_data_struct(widget);
 172   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
 173   GtkWidget * viewer;
 174   LttvTracesetSelector  * s;
 175   TimeInterval * time_interval;
 176   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
 177                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
 178   Tab *tab;
 179
 180   if(!page) {
 181     tab = create_new_tab(widget, NULL);
 182   } else {
 183     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
 184   }
 185
 186   multi_vpaned = tab->multi_vpaned;
 187
 188   s = construct_traceset_selector(tab->traceset_info->traceset);
 189   viewer = (GtkWidget*)constructor(tab, s, "Traceset_Selector");
 190   if(viewer)
 191   {
 192     gtk_multi_vpaned_widget_add(multi_vpaned, viewer);
 193     // We unref here, because it is now referenced by the multi_vpaned!
 194     g_object_unref(G_OBJECT(viewer));
 195
 196     // The viewer will show itself when it receives a show notify
 197     // So we call the show notify hooks here. It will
 198     // typically add hooks for reading, we call process trace, and the
 199     // end of reading hook will call gtk_widget_show and unregister the
 200     // hooks.
 201     // Note that show notify gets the time_requested through the call_data.
 202     //show_viewer(mw_data);
 203     // in expose now call_pending_read_hooks(mw_data);
 204   }
 205 }
 206
 207
 208 /* get_label function is used to get user input, it displays an input
 209  * box, which allows user to input a string
 210  */
 211
 212 void get_label_string (GtkWidget * text, gchar * label)
 213 {
 214   GtkEntry * entry = (GtkEntry*)text;
 215   if(strlen(gtk_entry_get_text(entry))!=0)
 216     strcpy(label,gtk_entry_get_text(entry));
 217 }
 218
 219 gboolean get_label(MainWindow * mw, gchar * str, gchar* dialogue_title, gchar * label_str)
 220 {
 221   GtkWidget * dialogue;
 222   GtkWidget * text;
 223   GtkWidget * label;
 224   gint id;
 225
 226   dialogue = gtk_dialog_new_with_buttons(dialogue_title,NULL,
 227                                          GTK_DIALOG_MODAL,
 228                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 229                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 230                                          NULL);
 231
 232   label = gtk_label_new(label_str);
 233   gtk_widget_show(label);
 234
 235   text = gtk_entry_new();
 236   gtk_widget_show(text);
 237
 238   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 239   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 240
 241   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 242   switch(id){
 243     case GTK_RESPONSE_ACCEPT:
 244       get_label_string(text,str);
 245       gtk_widget_destroy(dialogue);
 246       break;
 247     case GTK_RESPONSE_REJECT:
 248     default:
 249       gtk_widget_destroy(dialogue);
 250       return FALSE;
 251   }
 252   return TRUE;
 253 }
 254
 255
 256 /* get_window_data_struct function is actually a lookup function,
 257  * given a widget which is in the tree of the main window, it will
 258  * return the MainWindow data structure associated with main window
 259  */
 260
 261 MainWindow * get_window_data_struct(GtkWidget * widget)
 262 {
 263   GtkWidget * mw;
 264   MainWindow * mw_data;
 265
 266   mw = lookup_widget(widget, "MWindow");
 267   if(mw == NULL){
 268     g_printf("Main window does not exist\n");
 269     return NULL;
 270   }
 271
 272   mw_data = (MainWindow *) g_object_get_data(G_OBJECT(mw),"main_window_data");
 273   if(mw_data == NULL){
 274     g_printf("Main window data does not exist\n");
 275     return NULL;
 276   }
 277   return mw_data;
 278 }
 279
 280
 281 /* create_new_window function, just constructs a new main window
 282  */
 283
 284 void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone)
 285 {
 286   MainWindow * parent = get_window_data_struct(widget);
 287
 288   if(clone){
 289     g_printf("Clone : use the same traceset\n");
 290     construct_main_window(parent);
 291   }else{
 292     g_printf("Empty : traceset is set to NULL\n");
 293     construct_main_window(NULL);
 294   }
 295 }
 296
 297
 298 /* move_*_viewer functions move the selected view up/down in
 299  * the current tab
 300  */
 301
 302 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 303 {
 304   MainWindow * mw = get_window_data_struct(widget);
 305   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
 306
 307   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
 308                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
 309
 310   Tab *tab;
 311
 312   if(!page) {
 313     return;
 314   } else {
 315     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
 316   }
 317
 318   gtk_multi_vpaned_widget_move_up(tab->multi_vpaned);
 319 }
 320
 321 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 322 {
 323   MainWindow * mw = get_window_data_struct(widget);
 324   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
 325
 326   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
 327                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
 328   Tab *tab;
 329
 330   if(!page) {
 331     return;
 332   } else {
 333     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
 334   }
 335
 336   gtk_multi_vpaned_widget_move_down(tab->multi_vpaned);
 337 }
 338
 339
 340 /* delete_viewer deletes the selected viewer in the current tab
 341  */
 342
 343 void delete_viewer(GtkWidget * widget, gpointer user_data)
 344 {
 345   MainWindow * mw = get_window_data_struct(widget);
 346   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
 347
 348   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
 349                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
 350   Tab *tab;
 351
 352   if(!page) {
 353     return;
 354   } else {
 355     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
 356   }
 357
 358   gtk_multi_vpaned_widget_delete(tab->multi_vpaned);
 359 }
 360
 361
 362 /* open_traceset will open a traceset saved in a file
 363  * Right now, it is not finished yet, (not working)
 364  * FIXME
 365  */
 366
 367 void open_traceset(GtkWidget * widget, gpointer user_data)
 368 {
 369   char ** dir;
 370   gint id;
 371   LttvTraceset * traceset;
 372   MainWindow * mw_data = get_window_data_struct(widget);
 373   GtkFileSelection * file_selector =
 374     (GtkFileSelection *)gtk_file_selection_new("Select a traceset");
 375
 376   gtk_file_selection_hide_fileop_buttons(file_selector);
 377
 378   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 379   switch(id){
 380     case GTK_RESPONSE_ACCEPT:
 381     case GTK_RESPONSE_OK:
 382       dir = gtk_file_selection_get_selections (file_selector);
 383       traceset = lttv_traceset_load(dir[0]);
 384       g_printf("Open a trace set %s\n", dir[0]);
 385       //Not finished yet
 386       g_strfreev(dir);
 387     case GTK_RESPONSE_REJECT:
 388     case GTK_RESPONSE_CANCEL:
 389     default:
 390       gtk_widget_destroy((GtkWidget*)file_selector);
 391       break;
 392   }
 393
 394 }
 395
 396
 397 /* lttvwindow_process_pending_requests
 398  *
 399  * This internal function gets called by g_idle, taking care of the pending
 400  * requests. It is responsible for concatenation of time intervals and position
 401  * requests. It does it with the following algorithm organizing process traceset
 402  * calls. Here is the detailed description of the way it works :
 403  *
 404  * - Events Requests Servicing Algorithm
 405  *
 406  *   Data structures necessary :
 407  *
 408  *   List of requests added to context : list_in
 409  *   List of requests not added to context : list_out
 410  *
 411  *   Initial state :
 412  *
 413  *   list_in : empty
 414  *   list_out : many events requests
 415  *
 416  *  FIXME : insert rest of algorithm here
 417  *
 418  */
 419
 420
 421 gboolean lttvwindow_process_pending_requests(Tab *tab)
 422 {
 423   unsigned max_nb_events;
 424   GdkWindow * win;
 425   GdkCursor * new;
 426   GtkWidget* widget;
 427   LttvTracesetContext *tsc;
 428   LttvTracefileContext *tfc;
 429   GSList *events_requests = tab->events_requests;
 430   GSList *list_out = events_requests;
 431   GSList *list_in = NULL;
 432   LttTime end_time;
 433   guint end_nb_events;
 434   guint count;
 435   LttvTracesetContextPosition *end_position;
 436
 437
 438   if(tab == NULL)
 439     return FALSE;
 440
 441   /* There is no events requests pending : we should never have been called! */
 442   g_assert(g_slist_length(events_requests) != 0);
 443
 444   tsc = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
 445
 446   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 447   new = gdk_cursor_new(GDK_X_CURSOR);
 448   widget = lookup_widget(tab->mw->mwindow, "MToolbar1");
 449   win = gtk_widget_get_parent_window(widget);
 450   gdk_window_set_cursor(win, new);
 451   gdk_cursor_unref(new);
 452   gdk_window_stick(win);
 453   gdk_window_unstick(win);
 454
 455   g_debug("SIZE events req len  : %d", g_slist_length(events_requests));
 456
 457   /* Events processing algorithm implementation */
 458   /* A. Servicing loop */
 459   while( (g_slist_length(list_in) != 0 || g_slist_length(list_out) != 0)
 460          && !gtk_events_pending() ) {
 461
 462     /* 1. If list_in is empty (need a seek) */
 463     if( g_slist_length(list_in) ==  0 ) {
 464
 465       /* list in is empty, need a seek */
 466       {
 467         /* 1.1 Add requests to list_in */
 468         GSList *ltime = NULL;
 469         GSList *lpos = NULL;
 470         GSList *iter = NULL;
 471
 472         /* 1.1.1 Find all time requests with the lowest start time in list_out
 473          * (ltime)
 474          */
 475         if(g_slist_length(list_out) > 0)
 476           ltime = g_slist_append(ltime, g_slist_nth_data(list_out, 0));
 477         for(iter=g_slist_nth(list_out,1);iter!=NULL;iter=g_slist_next(iter)) {
 478           /* Find all time requests with the lowest start time in list_out */
 479           guint index_ltime = g_array_index(ltime, guint, 0);
 480           EventsRequest *event_request_ltime = (EventsRequest*)g_slist_nth_data(ltime, 0);
 481           EventsRequest *event_request_list_out = (EventsRequest*)iter->data;
 482
 483           int comp;
 484           comp = ltt_time_compare(event_request_ltime->start_time,
 485                                   event_request_list_out->start_time);
 486           if(comp == 0)
 487             ltime = g_slist_append(ltime, event_request_list_out);
 488           else if(comp > 0) {
 489             /* Remove all elements from ltime, and add current */
 490             while(ltime != NULL)
 491               ltime = g_slist_delete_link(ltime, g_slist_nth(ltime, 0));
 492             ltime = g_slist_append(ltime, event_request_list_out);
 493           }
 494         }
 495
 496         /* 1.1.2 Find all position requests with the lowest position in list_out
 497          * (lpos)
 498          */
 499         if(g_slist_length(list_out) > 0)
 500           lpos = g_slist_append(lpos, g_slist_nth_data(list_out, 0));
 501         for(iter=g_slist_nth(list_out,1);iter!=NULL;iter=g_slist_next(iter)) {
 502           /* Find all position requests with the lowest position in list_out */
 503           guint index_lpos = g_array_index(lpos, guint, 0);
 504           EventsRequest *event_request_lpos = (EventsRequest*)g_slist_nth_data(lpos, 0);
 505           EventsRequest *event_request_list_out = (EventsRequest*)iter->data;
 506
 507           int comp;
 508           if(event_request_lpos->start_position != NULL
 509               && event_request_list_out->start_position != NULL)
 510           {
 511             comp = lttv_traceset_context_pos_pos_compare
 512                                  (event_request_lpos->start_position,
 513                                   event_request_list_out->start_position);
 514           } else {
 515             comp = -1;
 516           }
 517           if(comp == 0)
 518             lpos = g_slist_append(lpos, event_request_list_out);
 519           else if(comp > 0) {
 520             /* Remove all elements from lpos, and add current */
 521             while(lpos != NULL)
 522               lpos = g_slist_delete_link(lpos, g_slist_nth(lpos, 0));
 523             lpos = g_slist_append(lpos, event_request_list_out);
 524           }
 525         }
 526
 527         /* 1.1.3 If lpos.start time < ltime */
 528         {
 529           EventsRequest *event_request_lpos = (EventsRequest*)g_slist_nth_data(lpos, 0);
 530           EventsRequest *event_request_ltime = (EventsRequest*)g_slist_nth_data(ltime, 0);
 531           LttTime lpos_start_time;
 532
 533           if(event_request_lpos != NULL
 534               && event_request_lpos->start_position != NULL) {
 535
 536             lpos_start_time = lttv_traceset_context_position_get_time(
 537                                       event_request_lpos->start_position);
 538             if(ltt_time_compare(lpos_start_time,
 539                                 event_request_ltime->start_time)<0) {
 540               /* Add lpos to list_in, remove them from list_out */
 541
 542               for(iter=lpos;iter!=NULL;iter=g_slist_next(iter)) {
 543                 /* Add to list_in */
 544                 EventsRequest *event_request_lpos =
 545                                       (EventsRequest*)iter->data;
 546
 547                 g_slist_append(list_in, event_request_lpos);
 548                 /* Remove from list_out */
 549                 g_slist_remove(list_out, event_request_lpos);
 550               }
 551             }
 552           } else {
 553             /* 1.1.4 (lpos.start time >= ltime) */
 554             /* Add ltime to list_in, remove them from list_out */
 555
 556             for(iter=ltime;iter!=NULL;iter=g_slist_next(iter)) {
 557               /* Add to list_in */
 558               EventsRequest *event_request_ltime =
 559                                     (EventsRequest*)iter->data;
 560
 561               g_slist_append(list_in, event_request_ltime);
 562               /* Remove from list_out */
 563               g_slist_remove(list_out, event_request_ltime);
 564             }
 565           }
 566         }
 567         g_slist_free(lpos);
 568         g_slist_free(ltime);
 569       }
 570
 571       /* 1.2 Seek */
 572       {
 573         tfc = lttv_traceset_context_get_current_tfc(tsc);
 574         g_assert(g_slist_length(list_in)>0);
 575         EventsRequest *events_request = g_slist_nth_data(list_in, 0);
 576
 577         /* 1.2.1 If first request in list_in is a time request */
 578         if(events_request->start_position == NULL) {
 579           /* - If first req in list_in start time != current time */
 580           if(tfc != NULL && ltt_time_compare(events_request->start_time,
 581                               tfc->timestamp) != 0)
 582             /* - Seek to that time */
 583             lttv_process_traceset_seek_time(tsc, events_request->start_time);
 584         } else {
 585           /* Else, the first request in list_in is a position request */
 586           /* If first req in list_in pos != current pos */
 587           g_assert(events_request->start_position != NULL);
 588           if(lttv_traceset_context_ctx_pos_compare(tsc,
 589                      events_request->start_position) != 0) {
 590             /* 1.2.2.1 Seek to that position */
 591             lttv_process_traceset_seek_position(tsc, events_request->start_position);
 592           }
 593         }
 594       }
 595
 596       /* 1.3 Add hooks and call before request for all list_in members */
 597       {
 598         GSList *iter = NULL;
 599
 600         for(iter=list_in;iter!=NULL;iter=g_slist_next(iter)) {
 601           EventsRequest *events_request = (EventsRequest*)iter->data;
 602           /* 1.3.1 If !servicing */
 603           if(events_request->servicing == FALSE) {
 604             /* - begin request hooks called
 605              * - servicing = TRUE
 606              */
 607             lttv_hooks_call(events_request->before_request, NULL);
 608             events_request->servicing = TRUE;
 609           }
 610           /* 1.3.2 call before chunk
 611            * 1.3.3 events hooks added
 612            */
 613           lttv_process_traceset_begin(tsc, events_request->before_chunk_traceset,
 614                                            events_request->before_chunk_trace,
 615                                            events_request->before_chunk_tracefile,
 616                                            events_request->event,
 617                                            events_request->event_by_id);
 618         }
 619       }
 620     } else {
 621       /* 2. Else, list_in is not empty, we continue a read */
 622       GSList *iter = NULL;
 623       tfc = lttv_traceset_context_get_current_tfc(tsc);
 624
 625       /* 2.1 For each req of list_out */
 626       for(iter=list_out;iter!=NULL;iter=g_slist_next(iter)) {
 627         EventsRequest *events_request = (EventsRequest*)iter->data;
 628
 629         /* if req.start time == current context time
 630          * or req.start position == current position*/
 631         if(  ltt_time_compare(events_request->start_time,
 632                             tfc->timestamp) == 0
 633            ||
 634              (events_request->start_position != NULL
 635              &&
 636              lttv_traceset_context_ctx_pos_compare(tsc,
 637                      events_request->start_position) == 0)
 638            ) {
 639           /* - Add to list_in, remove from list_out */
 640           g_slist_append(list_in, events_request);
 641           g_slist_remove(list_out, events_request);
 642
 643           /* - If !servicing */
 644           if(events_request->servicing == FALSE) {
 645             /* - begin request hooks called
 646              * - servicing = TRUE
 647              */
 648             lttv_hooks_call(events_request->before_request, NULL);
 649             events_request->servicing = TRUE;
 650           }
 651           /* call before chunk
 652            * events hooks added
 653            */
 654           lttv_process_traceset_begin(tsc, events_request->before_chunk_traceset,
 655                                            events_request->before_chunk_trace,
 656                                            events_request->before_chunk_tracefile,
 657                                            events_request->event,
 658                                            events_request->event_by_id);
 659         }
 660       }
 661     }
 662
 663     /* 3. Find end criterions */
 664     {
 665       /* 3.1 End time */
 666       GSList *iter;
 667
 668       /* 3.1.1 Find lowest end time in list_in */
 669       g_assert(g_slist_length(list_in)>0);
 670       end_time = ((EventsRequest*)g_slist_nth_data(list_in,0))->end_time;
 671
 672       for(iter=g_slist_nth(list_in,1);iter!=NULL;iter=g_slist_next(iter)) {
 673         EventsRequest *events_request = (EventsRequest*)iter->data;
 674
 675         if(ltt_time_compare(events_request->end_time,
 676                             end_time) < 0)
 677           end_time = events_request->end_time;
 678       }
 679
 680       /* 3.1.2 Find lowest start time in list_out */
 681       for(iter=list_out;iter!=NULL;iter=g_slist_next(iter)) {
 682         EventsRequest *events_request = (EventsRequest*)iter->data;
 683
 684         if(ltt_time_compare(events_request->start_time,
 685                             end_time) < 0)
 686           end_time = events_request->start_time;
 687       }
 688     }
 689
 690     {
 691       /* 3.2 Number of events */
 692
 693       /* 3.2.1 Find lowest number of events in list_in */
 694       GSList *iter;
 695
 696       end_nb_events = ((EventsRequest*)g_slist_nth_data(list_in,0))->num_events;
 697
 698       for(iter=g_slist_nth(list_in,1);iter!=NULL;iter=g_slist_next(iter)) {
 699         EventsRequest *events_request = (EventsRequest*)iter->data;
 700
 701         if(events_request->num_events < end_nb_events)
 702           end_nb_events = events_request->num_events;
 703       }
 704
 705       /* 3.2.2 Use min(CHUNK_NUM_EVENTS, min num events in list_in) as
 706        * num_events */
 707
 708       end_nb_events = MIN(CHUNK_NUM_EVENTS, end_nb_events);
 709     }
 710
 711     {
 712       /* 3.3 End position */
 713
 714       /* 3.3.1 Find lowest end position in list_in */
 715       GSList *iter;
 716
 717       end_position =((EventsRequest*)g_slist_nth_data(list_in,0))->end_position;
 718
 719       for(iter=g_slist_nth(list_in,1);iter!=NULL;iter=g_slist_next(iter)) {
 720         EventsRequest *events_request = (EventsRequest*)iter->data;
 721
 722         if(events_request->end_position != NULL && end_position != NULL &&
 723             lttv_traceset_context_pos_pos_compare(events_request->end_position,
 724                                                  end_position) <0)
 725           end_position = events_request->end_position;
 726       }
 727     }
 728
 729     {
 730       /* 3.3.2 Find lowest start position in list_out */
 731       GSList *iter;
 732
 733       for(iter=list_out;iter!=NULL;iter=g_slist_next(iter)) {
 734         EventsRequest *events_request = (EventsRequest*)iter->data;
 735
 736         if(events_request->end_position != NULL && end_position != NULL &&
 737             lttv_traceset_context_pos_pos_compare(events_request->end_position,
 738                                                  end_position) <0)
 739           end_position = events_request->end_position;
 740       }
 741     }
 742
 743     {
 744       /* 4. Call process traceset middle */
 745       count = lttv_process_traceset_middle(tsc, end_time, end_nb_events, end_position);
 746     }
 747     {
 748       /* 5. After process traceset middle */
 749       tfc = lttv_traceset_context_get_current_tfc(tsc);
 750
 751       /* - if current context time > traceset.end time */
 752       if(tfc == NULL || ltt_time_compare(tfc->timestamp,
 753                                          tsc->time_span.end_time) > 0) {
 754         /* - For each req in list_in */
 755         GSList *iter = list_in;
 756
 757         while(iter != NULL) {
 758
 759           gboolean remove = FALSE;
 760           gboolean free_data = FALSE;
 761           EventsRequest *events_request = (EventsRequest *)iter->data;
 762
 763           /* - Remove events hooks for req
 764            * - Call end chunk for req
 765            */
 766           lttv_process_traceset_end(tsc, events_request->after_chunk_traceset,
 767                                          events_request->after_chunk_trace,
 768                                          events_request->after_chunk_tracefile,
 769                                          events_request->event,
 770                                          events_request->event_by_id);
 771           /* - Call end request for req */
 772           lttv_hooks_call(events_request->after_request, NULL);
 773
 774           /* - remove req from list_in */
 775           /* Destroy the request */
 776           remove = TRUE;
 777           free_data = TRUE;
 778
 779           /* Go to next */
 780           if(remove)
 781           {
 782             GSList *remove_iter = iter;
 783
 784             iter = g_slist_next(iter);
 785             if(free_data) g_free(remove_iter->data);
 786             list_in = g_slist_remove_link(list_in, remove_iter);
 787           } else { // not remove
 788             iter = g_slist_next(iter);
 789           }
 790         }
 791       }
 792
 793       {
 794         /* 5.1 For each req in list_in */
 795         GSList *iter = list_in;
 796
 797         while(iter != NULL) {
 798
 799           gboolean remove = FALSE;
 800           gboolean free_data = FALSE;
 801           EventsRequest *events_request = (EventsRequest *)iter->data;
 802
 803           /* - Remove events hooks for req
 804            * - Call end chunk for req
 805            */
 806           lttv_process_traceset_end(tsc, events_request->after_chunk_traceset,
 807                                          events_request->after_chunk_trace,
 808                                          events_request->after_chunk_tracefile,
 809                                          events_request->event,
 810                                          events_request->event_by_id);
 811
 812           /* - req.num -= count */
 813           g_assert(events_request->num_events >= count);
 814           events_request->num_events -= count;
 815
 816           g_assert(tfc != NULL);
 817           /* - if req.num == 0
 818            *   or
 819            *     current context time > req.end time
 820            *   or
 821            *     req.end pos == current pos
 822            *   or
 823            *     req.stop_flag == TRUE
 824            */
 825           if(   events_request->num_events == 0
 826               ||
 827                 events_request->stop_flag == TRUE
 828               ||
 829                 ltt_time_compare(tfc->timestamp,
 830                                          events_request->end_time) > 0
 831               ||
 832                   (events_request->start_position != NULL
 833                  &&
 834                   lttv_traceset_context_ctx_pos_compare(tsc,
 835                             events_request->start_position) != 0)
 836
 837               ) {
 838             /* - Call end request for req
 839              * - remove req from list_in */
 840             lttv_hooks_call(events_request->after_request, NULL);
 841             /* - remove req from list_in */
 842             /* Destroy the request */
 843             remove = TRUE;
 844             free_data = TRUE;
 845           }
 846
 847           /* Go to next */
 848           if(remove)
 849           {
 850             GSList *remove_iter = iter;
 851
 852             iter = g_slist_next(iter);
 853             if(free_data) g_free(remove_iter->data);
 854             list_in = g_slist_remove_link(list_in, remove_iter);
 855           } else { // not remove
 856             iter = g_slist_next(iter);
 857           }
 858         }
 859       }
 860     }
 861   }
 862
 863   /* B. When interrupted between chunks */
 864
 865   {
 866     GSList *iter = list_in;
 867
 868     /* 1. for each request in list_in */
 869     while(iter != NULL) {
 870
 871       gboolean remove = FALSE;
 872       gboolean free_data = FALSE;
 873       EventsRequest *events_request = (EventsRequest *)iter->data;
 874
 875       /* 1.1. Use current postition as start position */
 876       if(events_request->start_position != NULL)
 877         lttv_traceset_context_position_destroy(events_request->start_position);
 878       events_request->start_position = ltt_traceset_context_position_new();
 879       lttv_traceset_context_position_save(tsc, events_request->start_position);
 880
 881       /* 1.2. Remove start time */
 882       events_request->start_time.tv_sec = G_MAXUINT;
 883       events_request->start_time.tv_nsec = G_MAXUINT;
 884
 885       /* 1.3. Move from list_in to list_out */
 886       remove = TRUE;
 887       free_data = FALSE;
 888       list_out = g_slist_append(list_out, events_request);
 889
 890       /* Go to next */
 891       if(remove)
 892       {
 893         GSList *remove_iter = iter;
 894
 895         iter = g_slist_next(iter);
 896         if(free_data) g_free(remove_iter->data);
 897         list_in = g_slist_remove_link(list_in, remove_iter);
 898       } else { // not remove
 899         iter = g_slist_next(iter);
 900       }
 901     }
 902
 903
 904   }
 905
 906   //set the cursor back to normal
 907   gdk_window_set_cursor(win, NULL);
 908
 909
 910   g_assert(g_slist_length(list_in) == 0);
 911   if( g_slist_length(list_out) == 0 ) {
 912     /* Put tab's request pending flag back to normal */
 913     tab->events_request_pending = FALSE;
 914     return FALSE; /* Remove the idle function */
 915   }
 916   return TRUE; /* Leave the idle function */
 917 }
 918
 919
 920
 921 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 922  * selector (filter), when a trace is added into traceset, the selector should
 923  * reflect the change. The function is used to update the selector
 924  */
 925
 926 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 927 {
 928   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 929   LttvTracesetSelector  * s;
 930   LttvTraceSelector     * trace;
 931   LttvTracefileSelector * tracefile;
 932   LttvEventtypeSelector * eventtype;
 933   LttTracefile          * tf;
 934   GtkWidget             * w;
 935   LttFacility           * fac;
 936   LttEventType          * et;
 937
 938   w = gtk_multi_vpaned_get_first_widget(paned);
 939   while(w){
 940     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 941
 942     if(s){
 943       trace   = lttv_trace_selector_new(t);
 944       lttv_traceset_selector_trace_add(s, trace);
 945
 946       nb_facility = ltt_trace_facility_number(t);
 947       for(k=0;k<nb_facility;k++){
 948         fac = ltt_trace_facility_get(t,k);
 949         nb_event = (int) ltt_facility_eventtype_number(fac);
 950         for(m=0;m<nb_event;m++){
 951           et = ltt_facility_eventtype_get(fac,m);
 952           eventtype = lttv_eventtype_selector_new(et);
 953           lttv_trace_selector_eventtype_add(trace, eventtype);
 954         }
 955       }
 956
 957       nb_control = ltt_trace_control_tracefile_number(t);
 958       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 959       nb_tracefile = nb_control + nb_per_cpu;
 960
 961       for(j = 0 ; j < nb_tracefile ; j++) {
 962         if(j < nb_control)
 963           tf = ltt_trace_control_tracefile_get(t, j);
 964         else
 965           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 966         tracefile = lttv_tracefile_selector_new(tf);
 967         lttv_trace_selector_tracefile_add(trace, tracefile);
 968         lttv_eventtype_selector_copy(trace, tracefile);
 969       }
 970     }else g_warning("Module does not support filtering\n");
 971
 972     w = gtk_multi_vpaned_get_next_widget(paned);
 973   }
 974 }
 975
 976
 977 static void lttvwindow_add_trace(Tab *tab, LttvTrace *trace_v)
 978 {
 979   LttvTraceset *traceset = tab->traceset_info->traceset;
 980   guint i;
 981
 982  //Verify if trace is already present.
 983   for(i=0; i<lttv_traceset_number(traceset); i++)
 984   {
 985     LttvTrace * trace = lttv_traceset_get(traceset, i);
 986     if(trace == trace_v)
 987       return;
 988   }
 989
 990   //Keep a reference to the traces so they are not freed.
 991   for(i=0; i<lttv_traceset_number(traceset); i++)
 992   {
 993     LttvTrace * trace = lttv_traceset_get(traceset, i);
 994     lttv_trace_ref(trace);
 995   }
 996
 997   //remove state update hooks
 998   lttv_state_remove_event_hooks(
 999      (LttvTracesetState*)tab->traceset_info->traceset_context);
1000
1001   lttv_context_fini(LTTV_TRACESET_CONTEXT(
1002           tab->traceset_info->traceset_context));
1003   g_object_unref(tab->traceset_info->traceset_context);
1004
1005   lttv_traceset_add(traceset, trace_v);
1006   lttv_trace_ref(trace_v);  /* local ref */
1007
1008   /* Create new context */
1009   tab->traceset_info->traceset_context =
1010                           g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1011   lttv_context_init(
1012             LTTV_TRACESET_CONTEXT(tab->traceset_info->
1013                                       traceset_context),
1014             traceset);
1015   //add state update hooks
1016   lttv_state_add_event_hooks(
1017   (LttvTracesetState*)tab->traceset_info->traceset_context);
1018   //Remove local reference to the traces.
1019   for(i=0; i<lttv_traceset_number(traceset); i++)
1020   {
1021     LttvTrace * trace = lttv_traceset_get(traceset, i);
1022     lttv_trace_unref(trace);
1023   }
1024
1025   add_trace_into_traceset_selector(tab->multi_vpaned, lttv_trace(trace_v));
1026 }
1027
1028 /* add_trace adds a trace into the current traceset. It first displays a
1029  * directory selection dialogue to let user choose a trace, then recreates
1030  * tracset_context, and redraws all the viewer of the current tab
1031  */
1032
1033 void add_trace(GtkWidget * widget, gpointer user_data)
1034 {
1035   LttTrace *trace;
1036   LttvTrace * trace_v;
1037   LttvTraceset * traceset;
1038   const char * dir;
1039   char abs_path[PATH_MAX];
1040   gint id;
1041   gint i;
1042   MainWindow * mw_data = get_window_data_struct(widget);
1043   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1044
1045   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1046                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1047   Tab *tab;
1048
1049   if(!page) {
1050     tab = create_new_tab(widget, NULL);
1051   } else {
1052     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1053   }
1054
1055   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
1056   gtk_dir_selection_hide_fileop_buttons(file_selector);
1057
1058   if(remember_trace_dir[0] != '\0')
1059     gtk_dir_selection_set_filename(file_selector, remember_trace_dir);
1060
1061   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1062   switch(id){
1063     case GTK_RESPONSE_ACCEPT:
1064     case GTK_RESPONSE_OK:
1065       dir = gtk_dir_selection_get_dir (file_selector);
1066       strncpy(remember_trace_dir, dir, PATH_MAX);
1067       if(!dir || strlen(dir) == 0){
1068         gtk_widget_destroy((GtkWidget*)file_selector);
1069         break;
1070       }
1071       get_absolute_pathname(dir, abs_path);
1072       trace_v = lttvwindowtraces_get_trace_by_name(abs_path);
1073       if(trace_v == NULL) {
1074         trace = ltt_trace_open(abs_path);
1075         if(trace == NULL) g_critical("cannot open trace %s", abs_path);
1076         trace_v = lttv_trace_new(trace);
1077         lttvwindowtraces_add_trace(trace_v);
1078       }
1079
1080       lttvwindow_add_trace(tab, trace_v);
1081
1082       gtk_widget_destroy((GtkWidget*)file_selector);
1083
1084       //update current tab
1085       //update_traceset(mw_data);
1086
1087       /* Call the updatetraceset hooks */
1088
1089       traceset = tab->traceset_info->traceset;
1090       SetTraceset(tab, traceset);
1091       // in expose now call_pending_read_hooks(mw_data);
1092
1093       //lttvwindow_report_current_time(mw_data,&(tab->current_time));
1094       break;
1095     case GTK_RESPONSE_REJECT:
1096     case GTK_RESPONSE_CANCEL:
1097     default:
1098       gtk_widget_destroy((GtkWidget*)file_selector);
1099       break;
1100   }
1101 }
1102
1103
1104 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
1105  * selector (filter), when a trace is remove from traceset, the selector should
1106  * reflect the change. The function is used to update the selector
1107  */
1108
1109 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
1110 {
1111   LttvTracesetSelector * s;
1112   LttvTraceSelector * t;
1113   GtkWidget * w;
1114
1115   w = gtk_multi_vpaned_get_first_widget(paned);
1116   while(w){
1117     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1118     if(s){
1119       t = lttv_traceset_selector_trace_get(s,i);
1120       lttv_traceset_selector_trace_remove(s, i);
1121       lttv_trace_selector_destroy(t);
1122     }g_warning("Module dose not support filtering\n");
1123     w = gtk_multi_vpaned_get_next_widget(paned);
1124   }
1125 }
1126
1127
1128 /* remove_trace removes a trace from the current traceset if all viewers in
1129  * the current tab are not interested in the trace. It first displays a
1130  * dialogue, which shows all traces in the current traceset, to let user choose
1131  * a trace, then it checks if all viewers unselect the trace, if it is true,
1132  * it will remove the trace,  recreate the traceset_contex,
1133  * and redraws all the viewer of the current tab. If there is on trace in the
1134  * current traceset, it will delete all viewers of the current tab
1135  */
1136
1137 void remove_trace(GtkWidget * widget, gpointer user_data)
1138 {
1139   LttTrace *trace;
1140   LttvTrace * trace_v;
1141   LttvTraceset * traceset;
1142   gint i, j, nb_trace;
1143   char ** name, *remove_trace_name;
1144   MainWindow * mw_data = get_window_data_struct(widget);
1145   LttvTracesetSelector * s;
1146   LttvTraceSelector * t;
1147   GtkWidget * w;
1148   gboolean selected;
1149   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1150
1151   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1152                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1153   Tab *tab;
1154
1155   if(!page) {
1156     return;
1157   } else {
1158     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1159   }
1160
1161   nb_trace =lttv_traceset_number(tab->traceset_info->traceset);
1162   name = g_new(char*,nb_trace);
1163   for(i = 0; i < nb_trace; i++){
1164     trace_v = lttv_traceset_get(tab->traceset_info->traceset, i);
1165     trace = lttv_trace(trace_v);
1166     name[i] = ltt_trace_name(trace);
1167   }
1168
1169   remove_trace_name = get_remove_trace(name, nb_trace);
1170
1171   if(remove_trace_name){
1172     for(i=0; i<nb_trace; i++){
1173       if(strcmp(remove_trace_name,name[i]) == 0){
1174               //unselect the trace from the current viewer
1175         w = gtk_multi_vpaned_get_widget(tab->multi_vpaned);
1176         if(w){
1177           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1178           if(s){
1179             t = lttv_traceset_selector_trace_get(s,i);
1180             lttv_trace_selector_set_selected(t, FALSE);
1181           }
1182
1183           //check if other viewers select the trace
1184           w = gtk_multi_vpaned_get_first_widget(tab->multi_vpaned);
1185           while(w){
1186             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1187             if(s){
1188               t = lttv_traceset_selector_trace_get(s,i);
1189               selected = lttv_trace_selector_get_selected(t);
1190               if(selected)break;
1191             }
1192             w = gtk_multi_vpaned_get_next_widget(tab->multi_vpaned);
1193           }
1194         }else selected = FALSE;
1195
1196         //if no viewer selects the trace, remove it
1197         if(!selected){
1198           remove_trace_from_traceset_selector(tab->multi_vpaned, i);
1199
1200           traceset = tab->traceset_info->traceset;
1201          //Keep a reference to the traces so they are not freed.
1202           for(j=0; j<lttv_traceset_number(traceset); j++)
1203           {
1204             LttvTrace * trace = lttv_traceset_get(traceset, j);
1205             lttv_trace_ref(trace);
1206           }
1207
1208           //remove state update hooks
1209           lttv_state_remove_event_hooks(
1210                (LttvTracesetState*)tab->traceset_info->traceset_context);
1211           lttv_context_fini(LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context));
1212           g_object_unref(tab->traceset_info->traceset_context);
1213
1214
1215           trace_v = lttv_traceset_get(traceset, i);
1216
1217           if(lttv_trace_get_ref_number(trace_v) <= 2) {
1218             /* ref 2 : traceset, local */
1219             lttvwindowtraces_remove_trace(trace_v);
1220             ltt_trace_close(lttv_trace(trace_v));
1221           }
1222
1223           lttv_traceset_remove(traceset, i);
1224           lttv_trace_unref(trace_v);  // Remove local reference
1225
1226           if(!lttv_trace_get_ref_number(trace_v))
1227              lttv_trace_destroy(trace_v);
1228
1229           tab->traceset_info->traceset_context =
1230             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1231           lttv_context_init(
1232                 LTTV_TRACESET_CONTEXT(tab->
1233                     traceset_info->traceset_context),traceset);
1234             //add state update hooks
1235           lttv_state_add_event_hooks(
1236             (LttvTracesetState*)tab->traceset_info->traceset_context);
1237
1238           //Remove local reference to the traces.
1239           for(j=0; j<lttv_traceset_number(traceset); j++)
1240           {
1241             LttvTrace * trace = lttv_traceset_get(traceset, j);
1242             lttv_trace_unref(trace);
1243           }
1244
1245
1246           //update current tab
1247           //update_traceset(mw_data);
1248           if(nb_trace > 1){
1249
1250             SetTraceset(mw_data, (gpointer)traceset);
1251             // in expose now call_pending_read_hooks(mw_data);
1252
1253             //lttvwindow_report_current_time(mw_data,&(tab->current_time));
1254           }else{
1255             if(tab){
1256               while(tab->multi_vpaned->num_children){
1257                 gtk_multi_vpaned_widget_delete(tab->multi_vpaned);
1258               }
1259             }
1260           }
1261         }
1262         break;
1263       }
1264     }
1265   }
1266
1267   g_free(name);
1268 }
1269
1270
1271 /* Redraw all the viewers in the current tab */
1272 void redraw(GtkWidget *widget, gpointer user_data)
1273 {
1274   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1275   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1276                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1277   Tab *tab;
1278   if(!page) {
1279     return;
1280   } else {
1281     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1282   }
1283
1284   LttvHooks * tmp;
1285   LttvAttributeValue value;
1286
1287   g_assert(lttv_iattribute_find_by_path(tab->attributes, "hooks/redraw", LTTV_POINTER, &value));
1288
1289   tmp = (LttvHooks*)*(value.v_pointer);
1290   if(tmp != NULL)
1291     lttv_hooks_call(tmp,NULL);
1292 }
1293
1294
1295 void continue_processing(GtkWidget *widget, gpointer user_data)
1296 {
1297   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1298   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1299                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1300   Tab *tab;
1301   if(!page) {
1302     return;
1303   } else {
1304     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1305   }
1306
1307   LttvHooks * tmp;
1308   LttvAttributeValue value;
1309
1310   g_assert(lttv_iattribute_find_by_path(tab->attributes,
1311      "hooks/continue", LTTV_POINTER, &value));
1312
1313   tmp = (LttvHooks*)*(value.v_pointer);
1314   if(tmp != NULL)
1315     lttv_hooks_call(tmp,NULL);
1316 }
1317
1318 /* Stop the processing for the calling main window's current tab.
1319  * It removes every processing requests that are in its list. It does not call
1320  * the end request hooks, because the request is not finished.
1321  */
1322
1323 void stop_processing(GtkWidget *widget, gpointer user_data)
1324 {
1325   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1326   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1327                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1328   Tab *tab;
1329   if(!page) {
1330     return;
1331   } else {
1332     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1333   }
1334   GSList *events_requests = tab->events_requests;
1335
1336   GSList *iter = events_requests;
1337
1338   while(iter != NULL) {
1339     GSList *remove_iter = iter;
1340     iter = g_slist_next(iter);
1341
1342     g_free(remove_iter->data);
1343     events_requests = g_slist_remove_link(events_requests, remove_iter);
1344   }
1345   g_assert(g_slist_length(events_requests) == 0);
1346 }
1347
1348
1349 /* save will save the traceset to a file
1350  * Not implemented yet FIXME
1351  */
1352
1353 void save(GtkWidget * widget, gpointer user_data)
1354 {
1355   g_printf("Save\n");
1356 }
1357
1358 void save_as(GtkWidget * widget, gpointer user_data)
1359 {
1360   g_printf("Save as\n");
1361 }
1362
1363
1364 /* zoom will change the time_window of all the viewers of the
1365  * current tab, and redisplay them. The main functionality is to
1366  * determine the new time_window of the current tab
1367  */
1368
1369 void zoom(GtkWidget * widget, double size)
1370 {
1371   TimeInterval *time_span;
1372   TimeWindow new_time_window;
1373   LttTime    current_time, time_delta, time_s, time_e, time_tmp;
1374   MainWindow * mw_data = get_window_data_struct(widget);
1375   LttvTracesetContext *tsc;
1376   GtkWidget * notebook = lookup_widget(widget, "MNotebook");
1377
1378   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1379                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1380   Tab *tab;
1381
1382   if(!page) {
1383     return;
1384   } else {
1385     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1386   }
1387
1388   if(size == 1) return;
1389
1390   tsc = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
1391   time_span = &tsc->time_span;
1392   new_time_window =  tab->time_window;
1393   current_time = tab->current_time;
1394
1395   time_delta = ltt_time_sub(time_span->end_time,time_span->start_time);
1396   if(size == 0){
1397     new_time_window.start_time = time_span->start_time;
1398     new_time_window.time_width = time_delta;
1399   }else{
1400     new_time_window.time_width = ltt_time_div(new_time_window.time_width, size);
1401     if(ltt_time_compare(new_time_window.time_width,time_delta) > 0)
1402     { /* Case where zoom out is bigger than trace length */
1403       new_time_window.start_time = time_span->start_time;
1404       new_time_window.time_width = time_delta;
1405     }
1406     else
1407     {
1408       /* Center the image on the current time */
1409       g_critical("update is HERE");
1410       new_time_window.start_time =
1411         ltt_time_sub(current_time, ltt_time_div(new_time_window.time_width, 2.0));
1412       /* If on borders, don't fall off */
1413       if(ltt_time_compare(new_time_window.start_time, time_span->start_time) <0)
1414       {
1415         new_time_window.start_time = time_span->start_time;
1416       }
1417       else
1418       {
1419         if(ltt_time_compare(
1420            ltt_time_add(new_time_window.start_time, new_time_window.time_width),
1421            time_span->end_time) > 0)
1422         {
1423           new_time_window.start_time =
1424                   ltt_time_sub(time_span->end_time, new_time_window.time_width);
1425         }
1426       }
1427
1428     }
1429
1430
1431
1432     //time_tmp = ltt_time_div(new_time_window.time_width, 2);
1433     //if(ltt_time_compare(current_time, time_tmp) < 0){
1434     //  time_s = time_span->startTime;
1435     //} else {
1436     //  time_s = ltt_time_sub(current_time,time_tmp);
1437     //}
1438     //time_e = ltt_time_add(current_time,time_tmp);
1439     //if(ltt_time_compare(time_span->startTime, time_s) > 0){
1440     //  time_s = time_span->startTime;
1441     //}else if(ltt_time_compare(time_span->endTime, time_e) < 0){
1442     //  time_e = time_span->endTime;
1443     //  time_s = ltt_time_sub(time_e,new_time_window.time_width);
1444     //}
1445     //new_time_window.start_time = time_s;
1446   }
1447
1448   //lttvwindow_report_time_window(mw_data, &new_time_window);
1449   //call_pending_read_hooks(mw_data);
1450
1451   //lttvwindow_report_current_time(mw_data,&(tab->current_time));
1452   set_time_window(tab, &new_time_window);
1453   // in expose now call_pending_read_hooks(mw_data);
1454   gtk_multi_vpaned_set_adjust(tab->multi_vpaned, &new_time_window, FALSE);
1455 }
1456
1457 void zoom_in(GtkWidget * widget, gpointer user_data)
1458 {
1459   zoom(widget, 2);
1460 }
1461
1462 void zoom_out(GtkWidget * widget, gpointer user_data)
1463 {
1464   zoom(widget, 0.5);
1465 }
1466
1467 void zoom_extended(GtkWidget * widget, gpointer user_data)
1468 {
1469   zoom(widget, 0);
1470 }
1471
1472 void go_to_time(GtkWidget * widget, gpointer user_data)
1473 {
1474   g_printf("Go to time\n");
1475 }
1476
1477 void show_time_frame(GtkWidget * widget, gpointer user_data)
1478 {
1479   g_printf("Show time frame\n");
1480 }
1481
1482
1483 /* callback function */
1484
1485 void
1486 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
1487                                         gpointer         user_data)
1488 {
1489   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
1490 }
1491
1492
1493 void
1494 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
1495                                         gpointer         user_data)
1496 {
1497   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
1498 }
1499
1500
1501 /* create_new_tab calls create_tab to construct a new tab in the main window
1502  */
1503
1504 Tab *create_new_tab(GtkWidget* widget, gpointer user_data){
1505   gchar label[PATH_MAX];
1506   MainWindow * mw_data = get_window_data_struct(widget);
1507
1508   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
1509   if(notebook == NULL){
1510     g_printf("Notebook does not exist\n");
1511     return NULL;
1512   }
1513   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1514                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1515   Tab *copy_tab;
1516
1517   if(!page) {
1518     copy_tab = NULL;
1519   } else {
1520     copy_tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1521   }
1522
1523   strcpy(label,"Page");
1524   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
1525     return (create_tab (mw_data, copy_tab, notebook, label));
1526 }
1527
1528 void
1529 on_tab_activate                        (GtkMenuItem     *menuitem,
1530                                         gpointer         user_data)
1531 {
1532   create_new_tab((GtkWidget*)menuitem, user_data);
1533 }
1534
1535
1536 void
1537 on_open_activate                       (GtkMenuItem     *menuitem,
1538                                         gpointer         user_data)
1539 {
1540   open_traceset((GtkWidget*)menuitem, user_data);
1541 }
1542
1543
1544 void
1545 on_close_activate                      (GtkMenuItem     *menuitem,
1546                                         gpointer         user_data)
1547 {
1548   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1549   main_window_destructor(mw_data);
1550 }
1551
1552
1553 /* remove the current tab from the main window
1554  */
1555
1556 void
1557 on_close_tab_activate                  (GtkWidget       *widget,
1558                                         gpointer         user_data)
1559 {
1560   gint page_num;
1561   GtkWidget * notebook;
1562   GtkWidget * page;
1563   MainWindow * mw_data = get_window_data_struct(widget);
1564   notebook = lookup_widget(widget, "MNotebook");
1565   if(notebook == NULL){
1566     g_printf("Notebook does not exist\n");
1567     return;
1568   }
1569
1570   page_num = gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook));
1571
1572   gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), page_num);
1573
1574 }
1575
1576 void
1577 on_close_tab_X_clicked                 (GtkWidget       *widget,
1578                                         gpointer         user_data)
1579 {
1580   gint page_num;
1581   GtkWidget *notebook = lookup_widget(widget, "MNotebook");
1582   if(notebook == NULL){
1583     g_printf("Notebook does not exist\n");
1584     return;
1585   }
1586
1587   if((page_num = gtk_notebook_page_num(GTK_NOTEBOOK(notebook), widget)) != -1)
1588     gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), page_num);
1589
1590 }
1591
1592
1593 void
1594 on_add_trace_activate                  (GtkMenuItem     *menuitem,
1595                                         gpointer         user_data)
1596 {
1597   add_trace((GtkWidget*)menuitem, user_data);
1598 }
1599
1600
1601 void
1602 on_remove_trace_activate               (GtkMenuItem     *menuitem,
1603                                         gpointer         user_data)
1604 {
1605   remove_trace((GtkWidget*)menuitem, user_data);
1606 }
1607
1608
1609 void
1610 on_save_activate                       (GtkMenuItem     *menuitem,
1611                                         gpointer         user_data)
1612 {
1613   save((GtkWidget*)menuitem, user_data);
1614 }
1615
1616
1617 void
1618 on_save_as_activate                    (GtkMenuItem     *menuitem,
1619                                         gpointer         user_data)
1620 {
1621   save_as((GtkWidget*)menuitem, user_data);
1622 }
1623
1624
1625 void
1626 on_quit_activate                       (GtkMenuItem     *menuitem,
1627                                         gpointer         user_data)
1628 {
1629   gtk_main_quit ();
1630 }
1631
1632
1633 void
1634 on_cut_activate                        (GtkMenuItem     *menuitem,
1635                                         gpointer         user_data)
1636 {
1637   g_printf("Cut\n");
1638 }
1639
1640
1641 void
1642 on_copy_activate                       (GtkMenuItem     *menuitem,
1643                                         gpointer         user_data)
1644 {
1645   g_printf("Copye\n");
1646 }
1647
1648
1649 void
1650 on_paste_activate                      (GtkMenuItem     *menuitem,
1651                                         gpointer         user_data)
1652 {
1653   g_printf("Paste\n");
1654 }
1655
1656
1657 void
1658 on_delete_activate                     (GtkMenuItem     *menuitem,
1659                                         gpointer         user_data)
1660 {
1661   g_printf("Delete\n");
1662 }
1663
1664
1665 void
1666 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
1667                                         gpointer         user_data)
1668 {
1669    zoom_in((GtkWidget*)menuitem, user_data);
1670 }
1671
1672
1673 void
1674 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
1675                                         gpointer         user_data)
1676 {
1677    zoom_out((GtkWidget*)menuitem, user_data);
1678 }
1679
1680
1681 void
1682 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
1683                                         gpointer         user_data)
1684 {
1685    zoom_extended((GtkWidget*)menuitem, user_data);
1686 }
1687
1688
1689 void
1690 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
1691                                         gpointer         user_data)
1692 {
1693    go_to_time((GtkWidget*)menuitem, user_data);
1694 }
1695
1696
1697 void
1698 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
1699                                         gpointer         user_data)
1700 {
1701    show_time_frame((GtkWidget*)menuitem, user_data);
1702 }
1703
1704
1705 void
1706 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
1707                                         gpointer         user_data)
1708 {
1709   move_up_viewer((GtkWidget*)menuitem, user_data);
1710 }
1711
1712
1713 void
1714 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
1715                                         gpointer         user_data)
1716 {
1717   move_down_viewer((GtkWidget*)menuitem, user_data);
1718 }
1719
1720
1721 void
1722 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
1723                                         gpointer         user_data)
1724 {
1725   delete_viewer((GtkWidget*)menuitem, user_data);
1726 }
1727
1728 void
1729 on_trace_filter_activate              (GtkMenuItem     *menuitem,
1730                                         gpointer         user_data)
1731 {
1732   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1733   LttvTracesetSelector * s;
1734   GtkWidget * w;
1735   GtkWidget * notebook = lookup_widget(GTK_WIDGET(menuitem), "MNotebook");
1736
1737   GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook),
1738                       gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
1739   Tab *tab;
1740
1741   if(!page) {
1742     return;
1743   } else {
1744     tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
1745   }
1746
1747   w = gtk_multi_vpaned_get_widget(tab->multi_vpaned);
1748
1749   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1750   if(!s){
1751     g_printf("There is no viewer yet\n");
1752     return;
1753   }
1754   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1755     //FIXME report filter change
1756     //update_traceset(mw_data);
1757     //call_pending_read_hooks(mw_data);
1758     //lttvwindow_report_current_time(mw_data,&(tab->current_time));
1759   }
1760 }
1761
1762 void
1763 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1764                                         gpointer         user_data)
1765 {
1766   g_printf("Trace facility selector: %s\n");
1767 }
1768
1769
1770 /* Dispaly a file selection dialogue to let user select a module, then call
1771  * lttv_module_load(), finally insert tool button and menu entry in the main window
1772  * for the loaded  module
1773  */
1774
1775 void
1776 on_load_module_activate                (GtkMenuItem     *menuitem,
1777                                         gpointer         user_data)
1778 {
1779   char ** dir;
1780   gint id;
1781   char str[PATH_MAX], *str1;
1782   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1783   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1784   if(remember_plugins_dir[0] != '\0')
1785     gtk_file_selection_set_filename(file_selector, remember_plugins_dir);
1786   gtk_file_selection_hide_fileop_buttons(file_selector);
1787
1788   str[0] = '\0';
1789   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1790   switch(id){
1791     case GTK_RESPONSE_ACCEPT:
1792     case GTK_RESPONSE_OK:
1793       dir = gtk_file_selection_get_selections (file_selector);
1794       strncpy(str,dir[0],PATH_MAX);
1795       strncpy(remember_plugins_dir,dir[0],PATH_MAX);
1796       str1 = strrchr(str,'/');
1797       if(str1)str1++;
1798       else{
1799         str1 = strrchr(str,'\\');
1800         str1++;
1801       }
1802       lttv_module_require(str1, NULL);
1803       g_strfreev(dir);
1804     case GTK_RESPONSE_REJECT:
1805     case GTK_RESPONSE_CANCEL:
1806     default:
1807       gtk_widget_destroy((GtkWidget*)file_selector);
1808       break;
1809   }
1810   g_printf("Load module: %s\n", str);
1811 }
1812
1813
1814 /* Display all loaded modules, let user to select a module to unload
1815  * by calling lttv_module_unload
1816  */
1817
1818 void
1819 on_unload_module_activate              (GtkMenuItem     *menuitem,
1820                                         gpointer         user_data)
1821 {
1822   int i;
1823   GPtrArray *name;
1824   char *unload_module_name;
1825   guint nb;
1826   LttvLibrary *library;
1827   LttvLibraryInfo library_info;
1828   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1829
1830   name  = g_ptr_array_new();
1831   nb = lttv_library_number();
1832
1833   for(i=0;i<nb;i++){
1834     library = lttv_library_get(i);
1835     lttv_library_info(library, &library_info);
1836     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1837   }
1838
1839   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1840
1841   if(unload_module_name){
1842     for(i=0;i<nb;i++){
1843       library = lttv_library_get(i);
1844       lttv_library_info(library, &library_info);
1845       if(strcmp(unload_module_name, library_info.name) == 0){
1846               lttv_library_unload(library);
1847         break;
1848       }
1849     }
1850   }
1851
1852   g_ptr_array_free(name, TRUE);
1853 }
1854
1855
1856 /* Display a directory dialogue to let user select a path for module searching
1857  */
1858
1859 void
1860 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1861                                         gpointer         user_data)
1862 {
1863   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1864   const char * dir;
1865   gint id;
1866
1867   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1868   if(remember_plugins_dir[0] != '\0')
1869     gtk_dir_selection_set_filename(file_selector, remember_plugins_dir);
1870
1871   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1872   switch(id){
1873     case GTK_RESPONSE_ACCEPT:
1874     case GTK_RESPONSE_OK:
1875       dir = gtk_dir_selection_get_dir (file_selector);
1876       strncpy(remember_plugins_dir,dir,PATH_MAX);
1877       strncat(remember_plugins_dir,"/",PATH_MAX);
1878       lttv_library_path_add(dir);
1879     case GTK_RESPONSE_REJECT:
1880     case GTK_RESPONSE_CANCEL:
1881     default:
1882       gtk_widget_destroy((GtkWidget*)file_selector);
1883       break;
1884   }
1885 }
1886
1887
1888 void
1889 on_color_activate                      (GtkMenuItem     *menuitem,
1890                                         gpointer         user_data)
1891 {
1892   g_printf("Color\n");
1893 }
1894
1895
1896 void
1897 on_filter_activate                     (GtkMenuItem     *menuitem,
1898                                         gpointer         user_data)
1899 {
1900   g_printf("Filter\n");
1901 }
1902
1903
1904 void
1905 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1906                                         gpointer         user_data)
1907 {
1908   g_printf("Save configuration\n");
1909 }
1910
1911
1912 void
1913 on_content_activate                    (GtkMenuItem     *menuitem,
1914                                         gpointer         user_data)
1915 {
1916   g_printf("Content\n");
1917 }
1918
1919
1920 void
1921 on_about_activate                      (GtkMenuItem     *menuitem,
1922                                         gpointer         user_data)
1923 {
1924   g_printf("About...\n");
1925 }
1926
1927
1928 void
1929 on_button_new_clicked                  (GtkButton       *button,
1930                                         gpointer         user_data)
1931 {
1932   create_new_window((GtkWidget*)button, user_data, TRUE);
1933 }
1934
1935 void
1936 on_button_new_tab_clicked              (GtkButton       *button,
1937                                         gpointer         user_data)
1938 {
1939   create_new_tab((GtkWidget*)button, user_data);
1940 }
1941
1942 void
1943 on_button_open_clicked                 (GtkButton       *button,
1944                                         gpointer         user_data)
1945 {
1946   open_traceset((GtkWidget*)button, user_data);
1947 }
1948
1949
1950 void
1951 on_button_add_trace_clicked            (GtkButton       *button,
1952                                         gpointer         user_data)
1953 {
1954   add_trace((GtkWidget*)button, user_data);
1955 }
1956
1957
1958 void
1959 on_button_remove_trace_clicked         (GtkButton       *button,
1960                                         gpointer         user_data)
1961 {
1962   remove_trace((GtkWidget*)button, user_data);
1963 }
1964
1965 void
1966 on_button_redraw_clicked               (GtkButton       *button,
1967                                         gpointer         user_data)
1968 {
1969   redraw((GtkWidget*)button, user_data);
1970 }
1971
1972 void
1973 on_button_continue_processing_clicked  (GtkButton       *button,
1974                                         gpointer         user_data)
1975 {
1976   continue_processing((GtkWidget*)button, user_data);
1977 }
1978
1979 void
1980 on_button_stop_processing_clicked      (GtkButton       *button,
1981                                         gpointer         user_data)
1982 {
1983   stop_processing((GtkWidget*)button, user_data);
1984 }
1985
1986
1987
1988 void
1989 on_button_save_clicked                 (GtkButton       *button,
1990                                         gpointer         user_data)
1991 {
1992   save((GtkWidget*)button, user_data);
1993 }
1994
1995
1996 void
1997 on_button_save_as_clicked              (GtkButton       *button,
1998                                         gpointer         user_data)
1999 {
2000   save_as((GtkWidget*)button, user_data);
2001 }
2002
2003
2004 void
2005 on_button_zoom_in_clicked              (GtkButton       *button,
2006                                         gpointer         user_data)
2007 {
2008    zoom_in((GtkWidget*)button, user_data);
2009 }
2010
2011
2012 void
2013 on_button_zoom_out_clicked             (GtkButton       *button,
2014                                         gpointer         user_data)
2015 {
2016    zoom_out((GtkWidget*)button, user_data);
2017 }
2018
2019
2020 void
2021 on_button_zoom_extended_clicked        (GtkButton       *button,
2022                                         gpointer         user_data)
2023 {
2024    zoom_extended((GtkWidget*)button, user_data);
2025 }
2026
2027
2028 void
2029 on_button_go_to_time_clicked           (GtkButton       *button,
2030                                         gpointer         user_data)
2031 {
2032    go_to_time((GtkWidget*)button, user_data);
2033 }
2034
2035
2036 void
2037 on_button_show_time_frame_clicked      (GtkButton       *button,
2038                                         gpointer         user_data)
2039 {
2040    show_time_frame((GtkWidget*)button, user_data);
2041 }
2042
2043
2044 void
2045 on_button_move_up_clicked              (GtkButton       *button,
2046                                         gpointer         user_data)
2047 {
2048   move_up_viewer((GtkWidget*)button, user_data);
2049 }
2050
2051
2052 void
2053 on_button_move_down_clicked            (GtkButton       *button,
2054                                         gpointer         user_data)
2055 {
2056   move_down_viewer((GtkWidget*)button, user_data);
2057 }
2058
2059
2060 void
2061 on_button_delete_viewer_clicked        (GtkButton       *button,
2062                                         gpointer         user_data)
2063 {
2064   delete_viewer((GtkWidget*)button, user_data);
2065 }
2066
2067 void
2068 on_MWindow_destroy                     (GtkWidget       *widget,
2069                                         gpointer         user_data)
2070 {
2071   MainWindow *main_window = get_window_data_struct(widget);
2072   LttvIAttribute *attributes = main_window->attributes;
2073   LttvAttributeValue value;
2074
2075   //This is unnecessary, since widgets will be destroyed
2076   //by the main window widget anyway.
2077   //remove_all_menu_toolbar_constructors(main_window, NULL);
2078
2079   g_assert(lttv_iattribute_find_by_path(attributes,
2080            "viewers/menu", LTTV_POINTER, &value));
2081   lttv_menus_destroy((LttvMenus*)*(value.v_pointer));
2082
2083   g_assert(lttv_iattribute_find_by_path(attributes,
2084            "viewers/toolbar", LTTV_POINTER, &value));
2085   lttv_toolbars_destroy((LttvToolbars*)*(value.v_pointer));
2086
2087   g_object_unref(main_window->attributes);
2088   g_main_window_list = g_slist_remove(g_main_window_list, main_window);
2089
2090   g_printf("There are now : %d windows\n",g_slist_length(g_main_window_list));
2091   if(g_slist_length(g_main_window_list) == 0)
2092     gtk_main_quit ();
2093 }
2094
2095 gboolean
2096 on_MWindow_configure                   (GtkWidget         *widget,
2097                                         GdkEventConfigure *event,
2098                                         gpointer           user_data)
2099 {
2100   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
2101   float width = event->width;
2102   TimeWindow time_win;
2103   double ratio;
2104   TimeInterval *time_span;
2105   LttTime time;
2106
2107         // MD : removed time width modification upon resizing of the main window.
2108         // The viewers will redraw themselves completely, without time interval
2109         // modification.
2110 /*  while(tab){
2111     if(mw_data->window_width){
2112       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
2113       time_win = tab->time_window;
2114       ratio = width / mw_data->window_width;
2115       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
2116       time = ltt_time_sub(time_span->endTime, time_win.start_time);
2117       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
2118         tab->time_window.time_width = time;
2119       }
2120     }
2121     tab = tab->next;
2122   }
2123
2124   mw_data->window_width = (int)width;
2125         */
2126   return FALSE;
2127 }
2128
2129 /* Set current tab
2130  */
2131
2132 void
2133 on_MNotebook_switch_page               (GtkNotebook     *notebook,
2134                                         GtkNotebookPage *page,
2135                                         guint            page_num,
2136                                         gpointer         user_data)
2137 {
2138
2139 }
2140
2141
2142 /* callback function to check or uncheck the check box (filter)
2143  */
2144
2145 void checkbox_changed(GtkTreeView *treeview,
2146                       GtkTreePath *arg1,
2147                       GtkTreeViewColumn *arg2,
2148                       gpointer user_data)
2149 {
2150   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
2151   GtkTreeIter iter;
2152   gboolean value;
2153
2154   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
2155     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
2156     value = value? FALSE : TRUE;
2157     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
2158   }
2159
2160 }
2161
2162
2163 /* According to user's selection, update selector(filter)
2164  */
2165
2166 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
2167 {
2168   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
2169   int i, j, k, nb_eventtype;
2170   LttvTraceSelector     * trace;
2171   LttvTracefileSelector * tracefile;
2172   LttvEventtypeSelector * eventtype;
2173   gboolean value, value1, value2;
2174
2175   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
2176     i = 0;
2177     do{
2178       trace = lttv_traceset_selector_trace_get(s, i);
2179       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
2180       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
2181       if(value){
2182         j = 0;
2183         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
2184           do{
2185             if(j<1){//eventtype selector for trace
2186               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
2187               if(value2){
2188                 k=0;
2189                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
2190                   do{
2191                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
2192                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
2193                     lttv_eventtype_selector_set_selected(eventtype,value2);
2194                     k++;
2195                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
2196                 }
2197               }
2198             }else{ //tracefile selector
2199               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
2200               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
2201               lttv_tracefile_selector_set_selected(tracefile,value1);
2202               if(value1){
2203                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
2204                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
2205                 if(value2){
2206                   k = 0;
2207                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
2208                     do{//eventtype selector for tracefile
2209                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
2210                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
2211                       lttv_eventtype_selector_set_selected(eventtype,value2);
2212                       k++;
2213                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
2214                   }
2215                 }
2216               }
2217             }
2218             j++;
2219           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
2220         }
2221       }
2222       lttv_trace_selector_set_selected(trace,value);
2223       i++;
2224     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
2225   }
2226 }
2227
2228
2229 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
2230  * eventtypes, tracefiles and traces (filter)
2231  */
2232
2233 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
2234 {
2235   GtkWidget         * dialogue;
2236   GtkTreeStore      * store;
2237   GtkWidget         * tree;
2238   GtkWidget         * scroll_win;
2239   GtkCellRenderer   * renderer;
2240   GtkTreeViewColumn * column;
2241   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
2242   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
2243   LttvTraceSelector     * trace;
2244   LttvTracefileSelector * tracefile;
2245   LttvEventtypeSelector * eventtype;
2246   char * name;
2247   gboolean checked;
2248
2249   dialogue = gtk_dialog_new_with_buttons(title,
2250                                          NULL,
2251                                          GTK_DIALOG_MODAL,
2252                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
2253                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
2254                                          NULL);
2255   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
2256
2257   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
2258   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
2259   g_object_unref (G_OBJECT (store));
2260   g_signal_connect (G_OBJECT (tree), "row-activated",
2261                     G_CALLBACK (checkbox_changed),
2262                     NULL);
2263
2264
2265   renderer = gtk_cell_renderer_toggle_new ();
2266   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
2267
2268   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
2269
2270   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
2271                                                        renderer,
2272                                                        "active", CHECKBOX_COLUMN,
2273                                                        NULL);
2274   gtk_tree_view_column_set_alignment (column, 0.5);
2275   gtk_tree_view_column_set_fixed_width (column, 20);
2276   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
2277
2278   renderer = gtk_cell_renderer_text_new ();
2279   column   = gtk_tree_view_column_new_with_attributes (column_title,
2280                                                        renderer,
2281                                                        "text", NAME_COLUMN,
2282                                                        NULL);
2283   gtk_tree_view_column_set_alignment (column, 0.0);
2284   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
2285   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
2286
2287   scroll_win = gtk_scrolled_window_new (NULL, NULL);
2288   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
2289                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
2290   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
2291
2292   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
2293
2294   gtk_widget_show(scroll_win);
2295   gtk_widget_show(tree);
2296
2297   nb_trace = lttv_traceset_selector_trace_number(s);
2298   for(i=0;i<nb_trace;i++){
2299     trace = lttv_traceset_selector_trace_get(s, i);
2300     name  = lttv_trace_selector_get_name(trace);
2301     gtk_tree_store_append (store, &iter, NULL);
2302     checked = lttv_trace_selector_get_selected(trace);
2303     gtk_tree_store_set (store, &iter,
2304                         CHECKBOX_COLUMN,checked,
2305                         NAME_COLUMN,name,
2306                         -1);
2307
2308     gtk_tree_store_append (store, &child_iter, &iter);
2309     gtk_tree_store_set (store, &child_iter,
2310                         CHECKBOX_COLUMN, checked,
2311                         NAME_COLUMN,"eventtype",
2312                         -1);
2313
2314     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
2315     for(j=0;j<nb_eventtype;j++){
2316       eventtype = lttv_trace_selector_eventtype_get(trace,j);
2317       name      = lttv_eventtype_selector_get_name(eventtype);
2318       checked   = lttv_eventtype_selector_get_selected(eventtype);
2319       gtk_tree_store_append (store, &child_iter1, &child_iter);
2320       gtk_tree_store_set (store, &child_iter1,
2321                           CHECKBOX_COLUMN, checked,
2322                           NAME_COLUMN,name,
2323                           -1);
2324     }
2325
2326     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
2327     for(j=0;j<nb_tracefile;j++){
2328       tracefile = lttv_trace_selector_tracefile_get(trace, j);
2329       name      = lttv_tracefile_selector_get_name(tracefile);
2330       gtk_tree_store_append (store, &child_iter, &iter);
2331       checked = lttv_tracefile_selector_get_selected(tracefile);
2332       gtk_tree_store_set (store, &child_iter,
2333                           CHECKBOX_COLUMN, checked,
2334                           NAME_COLUMN,name,
2335                           -1);
2336
2337       gtk_tree_store_append (store, &child_iter1, &child_iter);
2338       gtk_tree_store_set (store, &child_iter1,
2339                           CHECKBOX_COLUMN, checked,
2340                           NAME_COLUMN,"eventtype",
2341                           -1);
2342
2343       for(k=0;k<nb_eventtype;k++){
2344         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
2345         name      = lttv_eventtype_selector_get_name(eventtype);
2346         checked   = lttv_eventtype_selector_get_selected(eventtype);
2347         gtk_tree_store_append (store, &child_iter2, &child_iter1);
2348         gtk_tree_store_set (store, &child_iter2,
2349                             CHECKBOX_COLUMN, checked,
2350                             NAME_COLUMN,name,
2351                             -1);
2352       }
2353     }
2354   }
2355
2356   id = gtk_dialog_run(GTK_DIALOG(dialogue));
2357   switch(id){
2358     case GTK_RESPONSE_ACCEPT:
2359     case GTK_RESPONSE_OK:
2360       update_filter(s, store);
2361       gtk_widget_destroy(dialogue);
2362       return TRUE;
2363     case GTK_RESPONSE_REJECT:
2364     case GTK_RESPONSE_CANCEL:
2365     default:
2366       gtk_widget_destroy(dialogue);
2367       break;
2368   }
2369   return FALSE;
2370 }
2371
2372
2373 /* Select a trace which will be removed from traceset
2374  */
2375
2376 char * get_remove_trace(char ** all_trace_name, int nb_trace)
2377 {
2378   return get_selection(all_trace_name, nb_trace,
2379                        "Select a trace", "Trace pathname");
2380 }
2381
2382
2383 /* Select a module which will be unloaded
2384  */
2385
2386 char * get_unload_module(char ** loaded_module_name, int nb_module)
2387 {
2388   return get_selection(loaded_module_name, nb_module,
2389                        "Select an unload module", "Module pathname");
2390 }
2391
2392
2393 /* Display a dialogue which shows all selectable items, let user to
2394  * select one of them
2395  */
2396
2397 char * get_selection(char ** loaded_module_name, int nb_module,
2398                      char *title, char * column_title)
2399 {
2400   GtkWidget         * dialogue;
2401   GtkWidget         * scroll_win;
2402   GtkWidget         * tree;
2403   GtkListStore      * store;
2404   GtkTreeViewColumn * column;
2405   GtkCellRenderer   * renderer;
2406   GtkTreeSelection  * select;
2407   GtkTreeIter         iter;
2408   gint                id, i;
2409   char              * unload_module_name = NULL;
2410
2411   dialogue = gtk_dialog_new_with_buttons(title,
2412                                          NULL,
2413                                          GTK_DIALOG_MODAL,
2414                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
2415                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
2416                                          NULL);
2417   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
2418
2419   scroll_win = gtk_scrolled_window_new (NULL, NULL);
2420   gtk_widget_show ( scroll_win);
2421   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
2422                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
2423
2424   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
2425   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
2426   gtk_widget_show ( tree);
2427   g_object_unref (G_OBJECT (store));
2428
2429   renderer = gtk_cell_renderer_text_new ();
2430   column   = gtk_tree_view_column_new_with_attributes (column_title,
2431                                                      renderer,
2432                                                      "text", MODULE_COLUMN,
2433                                                      NULL);
2434   gtk_tree_view_column_set_alignment (column, 0.5);
2435   gtk_tree_view_column_set_fixed_width (column, 150);
2436   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
2437
2438   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
2439   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
2440
2441   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
2442
2443   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
2444
2445   for(i=0;i<nb_module;i++){
2446     gtk_list_store_append (store, &iter);
2447     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
2448   }
2449
2450   id = gtk_dialog_run(GTK_DIALOG(dialogue));
2451   switch(id){
2452     case GTK_RESPONSE_ACCEPT:
2453     case GTK_RESPONSE_OK:
2454       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
2455           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
2456       }
2457     case GTK_RESPONSE_REJECT:
2458     case GTK_RESPONSE_CANCEL:
2459     default:
2460       gtk_widget_destroy(dialogue);
2461       break;
2462   }
2463
2464   return unload_module_name;
2465 }
2466
2467
2468 /* Insert all menu entry and tool buttons into this main window
2469  * for modules.
2470  *
2471  */
2472
2473 void add_all_menu_toolbar_constructors(MainWindow * mw, gpointer user_data)
2474 {
2475   int i;
2476   GdkPixbuf *pixbuf;
2477   lttvwindow_viewer_constructor constructor;
2478   LttvMenus * global_menu, * instance_menu;
2479   LttvToolbars * global_toolbar, * instance_toolbar;
2480   LttvMenuClosure *menu_item;
2481   LttvToolbarClosure *toolbar_item;
2482   LttvAttributeValue value;
2483   LttvIAttribute *global_attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2484   LttvIAttribute *attributes = mw->attributes;
2485   GtkWidget * tool_menu_title_menu, *new_widget, *pixmap;
2486
2487   g_assert(lttv_iattribute_find_by_path(global_attributes,
2488            "viewers/menu", LTTV_POINTER, &value));
2489   if(*(value.v_pointer) == NULL)
2490     *(value.v_pointer) = lttv_menus_new();
2491   global_menu = (LttvMenus*)*(value.v_pointer);
2492
2493   g_assert(lttv_iattribute_find_by_path(attributes,
2494            "viewers/menu", LTTV_POINTER, &value));
2495   if(*(value.v_pointer) == NULL)
2496     *(value.v_pointer) = lttv_menus_new();
2497   instance_menu = (LttvMenus*)*(value.v_pointer);
2498
2499
2500
2501   g_assert(lttv_iattribute_find_by_path(global_attributes,
2502            "viewers/toolbar", LTTV_POINTER, &value));
2503   if(*(value.v_pointer) == NULL)
2504     *(value.v_pointer) = lttv_toolbars_new();
2505   global_toolbar = (LttvToolbars*)*(value.v_pointer);
2506
2507   g_assert(lttv_iattribute_find_by_path(attributes,
2508            "viewers/toolbar", LTTV_POINTER, &value));
2509   if(*(value.v_pointer) == NULL)
2510     *(value.v_pointer) = lttv_toolbars_new();
2511   instance_toolbar = (LttvToolbars*)*(value.v_pointer);
2512
2513   /* Add missing menu entries to window instance */
2514   for(i=0;i<global_menu->len;i++) {
2515     menu_item = &g_array_index(global_menu, LttvMenuClosure, i);
2516
2517     //add menu_item to window instance;
2518     constructor = menu_item->con;
2519     tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
2520     new_widget =
2521       gtk_menu_item_new_with_mnemonic (menu_item->menu_text);
2522     gtk_container_add (GTK_CONTAINER (tool_menu_title_menu),
2523         new_widget);
2524     g_signal_connect ((gpointer) new_widget, "activate",
2525         G_CALLBACK (insert_viewer_wrap),
2526         constructor);
2527     gtk_widget_show (new_widget);
2528     lttv_menus_add(instance_menu, menu_item->con,
2529         menu_item->menu_path,
2530         menu_item->menu_text,
2531         new_widget);
2532
2533   }
2534
2535   /* Add missing toolbar entries to window instance */
2536   for(i=0;i<global_toolbar->len;i++) {
2537     toolbar_item = &g_array_index(global_toolbar, LttvToolbarClosure, i);
2538
2539     //add toolbar_item to window instance;
2540     constructor = toolbar_item->con;
2541     tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2542     pixbuf = gdk_pixbuf_new_from_xpm_data((const char**)toolbar_item->pixmap);
2543     pixmap = gtk_image_new_from_pixbuf(pixbuf);
2544     new_widget =
2545        gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
2546           GTK_TOOLBAR_CHILD_BUTTON,
2547           NULL,
2548           "",
2549           toolbar_item->tooltip, NULL,
2550           pixmap, NULL, NULL);
2551     gtk_label_set_use_underline(
2552         GTK_LABEL (((GtkToolbarChild*) (
2553                          g_list_last (GTK_TOOLBAR
2554                             (tool_menu_title_menu)->children)->data))->label),
2555         TRUE);
2556     gtk_container_set_border_width (GTK_CONTAINER (new_widget), 1);
2557     g_signal_connect ((gpointer) new_widget,
2558         "clicked",
2559         G_CALLBACK (insert_viewer_wrap),
2560         constructor);
2561     gtk_widget_show (new_widget);
2562
2563     lttv_toolbars_add(instance_toolbar, toolbar_item->con,
2564                       toolbar_item->tooltip,
2565                       toolbar_item->pixmap,
2566                       new_widget);
2567
2568   }
2569
2570 }
2571
2572
2573 /* Create a main window
2574  */
2575
2576 void construct_main_window(MainWindow * parent)
2577 {
2578   g_debug("construct_main_window()");
2579   GtkWidget  * new_window; /* New generated main window */
2580   MainWindow * new_m_window;/* New main window structure */
2581   GtkNotebook * notebook;
2582   LttvIAttribute *attributes =
2583           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
2584   LttvAttributeValue value;
2585   Tab *new_tab;
2586
2587   new_m_window = g_new(MainWindow, 1);
2588
2589   // Add the object's information to the module's array
2590   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
2591
2592
2593   new_window  = create_MWindow();
2594   gtk_widget_show (new_window);
2595
2596   new_m_window->mwindow = new_window;
2597   new_m_window->attributes = attributes;
2598
2599   g_assert(lttv_iattribute_find_by_path(attributes,
2600            "viewers/menu", LTTV_POINTER, &value));
2601   *(value.v_pointer) = lttv_menus_new();
2602
2603   g_assert(lttv_iattribute_find_by_path(attributes,
2604            "viewers/toolbar", LTTV_POINTER, &value));
2605   *(value.v_pointer) = lttv_toolbars_new();
2606
2607   add_all_menu_toolbar_constructors(new_m_window, NULL);
2608
2609   g_object_set_data_full(G_OBJECT(new_window),
2610                          "main_window_data",
2611                          (gpointer)new_m_window,
2612                          (GDestroyNotify)g_free);
2613   //create a default tab
2614   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
2615   if(notebook == NULL){
2616     g_printf("Notebook does not exist\n");
2617     return;
2618   }
2619   gtk_notebook_popup_enable (GTK_NOTEBOOK(notebook));
2620   //for now there is no name field in LttvTraceset structure
2621   //Use "Traceset" as the label for the default tab
2622   if(parent) {
2623     GtkWidget * parent_notebook = lookup_widget(parent->mwindow, "MNotebook");
2624     GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(parent_notebook),
2625                  gtk_notebook_get_current_page(GTK_NOTEBOOK(parent_notebook)));
2626     Tab *parent_tab;
2627
2628     if(!page) {
2629       parent_tab = NULL;
2630     } else {
2631       parent_tab = (Tab *)g_object_get_data(G_OBJECT(page), "Tab_Info");
2632     }
2633     new_tab = create_tab(new_m_window, parent_tab, notebook, "Traceset");
2634   } else {
2635     new_tab = create_tab(new_m_window, NULL, notebook, "Traceset");
2636     if(g_init_trace != NULL){
2637       lttvwindow_add_trace(new_tab,
2638                            g_init_trace);
2639     }
2640   }
2641
2642   g_printf("There are now : %d windows\n",g_slist_length(g_main_window_list));
2643 }
2644
2645
2646 /* Free the memory occupied by a tab structure
2647  * destroy the tab
2648  */
2649
2650 void tab_destructor(Tab * tab_instance)
2651 {
2652   int i, nb, ref_count;
2653   LttvTrace * trace;
2654
2655   if(tab_instance->attributes)
2656     g_object_unref(tab_instance->attributes);
2657
2658   if(tab_instance->interrupted_state)
2659     g_object_unref(tab_instance->interrupted_state);
2660
2661
2662   if(tab_instance->traceset_info->traceset_context != NULL){
2663     //remove state update hooks
2664     lttv_state_remove_event_hooks(
2665          (LttvTracesetState*)tab_instance->traceset_info->
2666                               traceset_context);
2667     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
2668                                             traceset_context));
2669     g_object_unref(tab_instance->traceset_info->traceset_context);
2670   }
2671   if(tab_instance->traceset_info->traceset != NULL) {
2672     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
2673     for(i = 0 ; i < nb ; i++) {
2674       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
2675       ref_count = lttv_trace_get_ref_number(trace);
2676       if(ref_count <= 1){
2677               ltt_trace_close(lttv_trace(trace));
2678       }
2679     }
2680   }
2681   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
2682   /* Remove the idle events requests processing function of the tab */
2683   g_idle_remove_by_data(tab_instance);
2684
2685   g_slist_free(tab_instance->events_requests);
2686   g_free(tab_instance->traceset_info);
2687   g_free(tab_instance);
2688 }
2689
2690
2691 /* Create a tab and insert it into the current main window
2692  */
2693
2694 Tab* create_tab(MainWindow * mw, Tab *copy_tab,
2695                   GtkNotebook * notebook, char * label)
2696 {
2697   GList * list;
2698   Tab * tab;
2699   LttTime tmp_time;
2700
2701   //create a new tab data structure
2702   tab = g_new(Tab,1);
2703
2704   //construct and initialize the traceset_info
2705   tab->traceset_info = g_new(TracesetInfo,1);
2706
2707   if(copy_tab) {
2708     tab->traceset_info->traceset =
2709       lttv_traceset_copy(copy_tab->traceset_info->traceset);
2710   } else {
2711     tab->traceset_info->traceset = lttv_traceset_new();
2712   }
2713
2714 //FIXME : this is g_debug level
2715   lttv_attribute_write_xml(
2716       lttv_traceset_attribute(tab->traceset_info->traceset),
2717       stdout,
2718       0, 4);
2719   fflush(stdout);
2720
2721
2722   //FIXME copy not implemented in lower level
2723   tab->traceset_info->traceset_context =
2724     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
2725   g_assert(tab->traceset_info->traceset_context != NULL);
2726   lttv_context_init(
2727             LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context),
2728                                   tab->traceset_info->traceset);
2729   //add state update hooks
2730   lttv_state_add_event_hooks(
2731        (LttvTracesetState*)tab->traceset_info->traceset_context);
2732
2733   //determine the current_time and time_window of the tab
2734   if(copy_tab != NULL){
2735     tab->time_window      = copy_tab->time_window;
2736     tab->current_time     = copy_tab->current_time;
2737   }else{
2738     tab->time_window.start_time =
2739             LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->
2740                              time_span.start_time;
2741     if(DEFAULT_TIME_WIDTH_S <
2742               LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->
2743                              time_span.end_time.tv_sec)
2744       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
2745     else
2746       tmp_time.tv_sec =
2747               LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->
2748                              time_span.end_time.tv_sec;
2749     tmp_time.tv_nsec = 0;
2750     tab->time_window.time_width = tmp_time ;
2751     tab->current_time.tv_sec =
2752        LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->
2753                              time_span.start_time.tv_sec;
2754     tab->current_time.tv_nsec =
2755        LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->
2756                              time_span.start_time.tv_nsec;
2757   }
2758   tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
2759   tab->interrupted_state = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
2760   tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
2761   gtk_widget_show((GtkWidget*)tab->multi_vpaned);
2762   tab->mw   = mw;
2763
2764   /*{
2765     // Display a label with a X
2766     GtkWidget *w_hbox = gtk_hbox_new(FALSE, 4);
2767     GtkWidget *w_label = gtk_label_new (label);
2768     GtkWidget *pixmap = create_pixmap(GTK_WIDGET(notebook), "close.png");
2769     GtkWidget *w_button = gtk_button_new ();
2770     gtk_container_add(GTK_CONTAINER(w_button), pixmap);
2771     //GtkWidget *w_button = gtk_button_new_with_label("x");
2772
2773     gtk_button_set_relief(GTK_BUTTON(w_button), GTK_RELIEF_NONE);
2774
2775     gtk_box_pack_start(GTK_BOX(w_hbox), w_label, TRUE, TRUE, 0);
2776     gtk_box_pack_end(GTK_BOX(w_hbox), w_button, FALSE,
2777                        FALSE, 0);
2778
2779     g_signal_connect_swapped (w_button, "clicked",
2780                       G_CALLBACK (on_close_tab_X_clicked),
2781                       tab->multi_vpaned);
2782
2783     gtk_widget_set_state(w_button, GTK_STATE_ACTIVE);
2784
2785     gtk_widget_show (w_label);
2786     gtk_widget_show (pixmap);
2787     gtk_widget_show (w_button);
2788     gtk_widget_show (w_hbox);
2789
2790     tab->label = w_hbox;
2791   }*/
2792
2793
2794   tab->label = gtk_label_new (label);
2795   gtk_widget_show (tab->label);
2796
2797
2798   /* Start with empty events requests list */
2799   tab->events_requests = NULL;
2800   tab->events_request_pending = FALSE;
2801
2802   g_object_set_data_full(
2803            G_OBJECT(tab->multi_vpaned),
2804            "Tab_Info",
2805                  tab,
2806                  (GDestroyNotify)tab_destructor);
2807
2808  //insert tab into notebook
2809   gtk_notebook_append_page(notebook,
2810                           (GtkWidget*)tab->multi_vpaned,
2811                           tab->label);
2812   list = gtk_container_get_children(GTK_CONTAINER(notebook));
2813   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
2814   // always show : not if(g_list_length(list)>1)
2815   gtk_notebook_set_show_tabs(notebook, TRUE);
2816
2817   return tab;
2818 }
2819
2820 /*
2821  * execute_events_requests
2822  *
2823  * Idle function that executes the pending requests for a tab.
2824  *
2825  * @return return value : TRUE : keep the idle function, FALSE : remove it.
2826  */
2827 gboolean execute_events_requests(Tab *tab)
2828 {
2829   return ( lttvwindow_process_pending_requests(tab) );
2830 }
2831