ltt/branches/poly/lttv/modules/gui/main/src/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 <gtk/gtk.h>
  24 #include <gmodule.h>
  25
  26 #include "callbacks.h"
  27 #include "interface.h"
  28 #include "support.h"
  29 #include <lttv/mainwindow.h>
  30 #include <lttv/menu.h>
  31 #include <lttv/toolbar.h>
  32 #include <lttv/gtktraceset.h>
  33 #include <lttv/module.h>
  34 #include <lttv/gtkdirsel.h>
  35 #include <lttv/iattribute.h>
  36 #include <lttv/lttvfilter.h>
  37 #include <ltt/trace.h>
  38 #include <ltt/facility.h>
  39
  40 #define PATH_LENGTH          256
  41 #define DEFAULT_TIME_WIDTH_S   1
  42
  43 extern LttvTrace *g_init_trace ;
  44
  45
  46 /** Array containing instanced objects. */
  47 extern GSList * g_main_window_list;
  48
  49 static int g_win_count = 0;
  50
  51 MainWindow * get_window_data_struct(GtkWidget * widget);
  52 char * get_unload_module(char ** loaded_module_name, int nb_module);
  53 char * get_remove_trace(char ** all_trace_name, int nb_trace);
  54 char * get_selection(char ** all_name, int nb, char *title, char * column_title);
  55 gboolean get_filter_selection(LttvTracesetSelector *s, char *title, char * column_title);
  56 void * create_tab(MainWindow * parent, MainWindow * current_window,
  57                   GtkNotebook * notebook, char * label);
  58
  59 void insert_viewer(GtkWidget* widget, view_constructor constructor);
  60 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store );
  61
  62 void checkbox_changed(GtkTreeView *treeview,
  63                       GtkTreePath *arg1,
  64                       GtkTreeViewColumn *arg2,
  65                       gpointer user_data);
  66 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i);
  67 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * trace);
  68
  69 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset);
  70
  71 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window);
  72 unsigned get_max_event_number(MainWindow * mw_data);
  73
  74 enum {
  75   CHECKBOX_COLUMN,
  76   NAME_COLUMN,
  77   TOTAL_COLUMNS
  78 };
  79
  80 enum
  81 {
  82   MODULE_COLUMN,
  83   N_COLUMNS
  84 };
  85
  86 /* Construct a selector(filter), which will be associated with a viewer,
  87  * and provides an interface for user to select interested events and traces
  88  */
  89
  90 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset)
  91 {
  92   LttvTracesetSelector  * s;
  93   LttvTraceSelector     * trace;
  94   LttvTracefileSelector * tracefile;
  95   LttvEventtypeSelector * eventtype;
  96   int i, j, k, m;
  97   int nb_trace, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
  98   LttvTrace * trace_v;
  99   LttTrace  * t;
 100   LttTracefile *tf;
 101   LttFacility * fac;
 102   LttEventType * et;
 103
 104   s = lttv_traceset_selector_new(lttv_traceset_name(traceset));
 105   nb_trace = lttv_traceset_number(traceset);
 106   for(i=0;i<nb_trace;i++){
 107     trace_v = lttv_traceset_get(traceset, i);
 108     t       = lttv_trace(trace_v);
 109     trace   = lttv_trace_selector_new(t);
 110     lttv_traceset_selector_trace_add(s, trace);
 111
 112     nb_facility = ltt_trace_facility_number(t);
 113     for(k=0;k<nb_facility;k++){
 114       fac = ltt_trace_facility_get(t,k);
 115       nb_event = (int) ltt_facility_eventtype_number(fac);
 116       for(m=0;m<nb_event;m++){
 117         et = ltt_facility_eventtype_get(fac,m);
 118         eventtype = lttv_eventtype_selector_new(et);
 119         lttv_trace_selector_eventtype_add(trace, eventtype);
 120       }
 121     }
 122
 123     nb_control = ltt_trace_control_tracefile_number(t);
 124     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 125     nb_tracefile = nb_control + nb_per_cpu;
 126
 127     for(j = 0 ; j < nb_tracefile ; j++) {
 128       if(j < nb_control)
 129         tf = ltt_trace_control_tracefile_get(t, j);
 130       else
 131         tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 132       tracefile = lttv_tracefile_selector_new(tf);
 133       lttv_trace_selector_tracefile_add(trace, tracefile);
 134       lttv_eventtype_selector_copy(trace, tracefile);
 135     }
 136   }
 137   return s;
 138 }
 139
 140
 141 /* insert_viewer function constructs an instance of a viewer first,
 142  * then inserts the widget of the instance into the container of the
 143  * main window
 144  */
 145
 146 void
 147 insert_viewer_wrap(GtkWidget *menuitem, gpointer user_data)
 148 {
 149   guint val = 20;
 150
 151   insert_viewer((GtkWidget*)menuitem, (view_constructor)user_data);
 152   //  selected_hook(&val);
 153 }
 154
 155
 156 /* internal functions */
 157 void insert_viewer(GtkWidget* widget, view_constructor constructor)
 158 {
 159   GtkMultiVPaned * multi_vpaned;
 160   MainWindow * mw_data;
 161   GtkWidget * viewer;
 162   LttvTracesetSelector  * s;
 163   TimeInterval * time_interval;
 164   TimeWindow  time_window, t;
 165
 166   mw_data = get_window_data_struct(widget);
 167   if(!mw_data->current_tab) return;
 168   multi_vpaned = mw_data->current_tab->multi_vpaned;
 169
 170   s = construct_traceset_selector(mw_data->current_tab->traceset_info->traceset);
 171   viewer = (GtkWidget*)constructor(mw_data, s, "Traceset_Selector");
 172   if(viewer)
 173   {
 174     gtk_multi_vpaned_widget_add(multi_vpaned, viewer);
 175     // Added by MD
 176     //    g_object_unref(G_OBJECT(viewer));
 177
 178     time_window = mw_data->current_tab->time_window;
 179     time_interval = (TimeInterval*)g_object_get_data(G_OBJECT(viewer), TRACESET_TIME_SPAN);
 180     if(time_interval){
 181       t = time_window;
 182       time_window.start_time = time_interval->startTime;
 183       time_window.time_width = ltt_time_sub(time_interval->endTime,time_interval->startTime);
 184     }
 185
 186     redraw_viewer(mw_data,&time_window);
 187     set_current_time(mw_data,&(mw_data->current_tab->current_time));
 188     if(time_interval){
 189       set_time_window(mw_data,&t);
 190     }
 191   }
 192 }
 193
 194
 195 /* get_label function is used to get user input, it displays an input
 196  * box, which allows user to input a string
 197  */
 198
 199 void get_label_string (GtkWidget * text, gchar * label)
 200 {
 201   GtkEntry * entry = (GtkEntry*)text;
 202   if(strlen(gtk_entry_get_text(entry))!=0)
 203     strcpy(label,gtk_entry_get_text(entry));
 204 }
 205
 206 gboolean get_label(MainWindow * mw, gchar * str, gchar* dialogue_title, gchar * label_str)
 207 {
 208   GtkWidget * dialogue;
 209   GtkWidget * text;
 210   GtkWidget * label;
 211   gint id;
 212
 213   dialogue = gtk_dialog_new_with_buttons(dialogue_title,NULL,
 214                                          GTK_DIALOG_MODAL,
 215                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 216                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 217                                          NULL);
 218
 219   label = gtk_label_new(label_str);
 220   gtk_widget_show(label);
 221
 222   text = gtk_entry_new();
 223   gtk_widget_show(text);
 224
 225   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 226   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 227
 228   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 229   switch(id){
 230     case GTK_RESPONSE_ACCEPT:
 231       get_label_string(text,str);
 232       gtk_widget_destroy(dialogue);
 233       break;
 234     case GTK_RESPONSE_REJECT:
 235     default:
 236       gtk_widget_destroy(dialogue);
 237       return FALSE;
 238   }
 239   return TRUE;
 240 }
 241
 242
 243 /* get_window_data_struct function is actually a lookup function,
 244  * given a widget which is in the tree of the main window, it will
 245  * return the MainWindow data structure associated with main window
 246  */
 247
 248 MainWindow * get_window_data_struct(GtkWidget * widget)
 249 {
 250   GtkWidget * mw;
 251   MainWindow * mw_data;
 252
 253   mw = lookup_widget(widget, "MWindow");
 254   if(mw == NULL){
 255     g_printf("Main window does not exist\n");
 256     return;
 257   }
 258
 259   mw_data = (MainWindow *) g_object_get_data(G_OBJECT(mw),"mainWindow");
 260   if(mw_data == NULL){
 261     g_printf("Main window data does not exist\n");
 262     return;
 263   }
 264   return mw_data;
 265 }
 266
 267
 268 /* create_new_window function, just constructs a new main window
 269  */
 270
 271 void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone)
 272 {
 273   MainWindow * parent = get_window_data_struct(widget);
 274
 275   if(clone){
 276     g_printf("Clone : use the same traceset\n");
 277     construct_main_window(parent, NULL);
 278   }else{
 279     g_printf("Empty : traceset is set to NULL\n");
 280     construct_main_window(NULL, parent->win_creation_data);
 281   }
 282 }
 283
 284
 285 /* move_*_viewer functions move the selected view up/down in
 286  * the current tab
 287  */
 288
 289 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 290 {
 291   MainWindow * mw = get_window_data_struct(widget);
 292   if(!mw->current_tab) return;
 293   gtk_multi_vpaned_widget_move_up(mw->current_tab->multi_vpaned);
 294 }
 295
 296 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 297 {
 298   MainWindow * mw = get_window_data_struct(widget);
 299   if(!mw->current_tab) return;
 300   gtk_multi_vpaned_widget_move_down(mw->current_tab->multi_vpaned);
 301 }
 302
 303
 304 /* delete_viewer deletes the selected viewer in the current tab
 305  */
 306
 307 void delete_viewer(GtkWidget * widget, gpointer user_data)
 308 {
 309   MainWindow * mw = get_window_data_struct(widget);
 310   if(!mw->current_tab) return;
 311   gtk_multi_vpaned_widget_delete(mw->current_tab->multi_vpaned);
 312 }
 313
 314
 315 /* open_traceset will open a traceset saved in a file
 316  * Right now, it is not finished yet, (not working)
 317  */
 318
 319 void open_traceset(GtkWidget * widget, gpointer user_data)
 320 {
 321   char ** dir;
 322   gint id;
 323   LttvTraceset * traceset;
 324   MainWindow * mw_data = get_window_data_struct(widget);
 325   GtkFileSelection * file_selector =
 326     (GtkFileSelection *)gtk_file_selection_new("Select a traceset");
 327
 328   gtk_file_selection_hide_fileop_buttons(file_selector);
 329
 330   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 331   switch(id){
 332     case GTK_RESPONSE_ACCEPT:
 333     case GTK_RESPONSE_OK:
 334       dir = gtk_file_selection_get_selections (file_selector);
 335       traceset = lttv_traceset_load(dir[0]);
 336       g_printf("Open a trace set %s\n", dir[0]);
 337       //Not finished yet
 338       g_strfreev(dir);
 339     case GTK_RESPONSE_REJECT:
 340     case GTK_RESPONSE_CANCEL:
 341     default:
 342       gtk_widget_destroy((GtkWidget*)file_selector);
 343       break;
 344   }
 345
 346 }
 347
 348
 349 /* get_max_event_number returns the event number limit used by
 350  * lttv_process_traceset(LttvTracesetContext, endTime, maxNumEvents)
 351  * each viewer can set the limit
 352  */
 353
 354 unsigned get_max_event_number(MainWindow * mw_data)
 355 {
 356   unsigned nb = 0, *size;
 357   GtkWidget * w;
 358
 359   w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 360   while(w){
 361     size = (unsigned*)g_object_get_data(G_OBJECT(w), MAX_NUMBER_EVENT);
 362     if(size == NULL){
 363       nb = G_MAXULONG;
 364       break;
 365     }else{
 366       if(nb < *size)
 367         nb = *size;
 368     }
 369     w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 370   }
 371   return nb;
 372 }
 373
 374
 375 /* redraw_viewer parses the traceset first by calling
 376  * process_traceset_api, then display all viewers of
 377  * the current tab
 378  */
 379
 380 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window)
 381 {
 382   unsigned max_nb_events;
 383   GdkWindow * win;
 384   GdkCursor * new;
 385   GtkWidget* widget;
 386
 387   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 388   new = gdk_cursor_new(GDK_X_CURSOR);
 389   widget = lookup_widget(mw_data->mwindow, "MToolbar1");
 390   win = gtk_widget_get_parent_window(widget);
 391   gdk_window_set_cursor(win, new);
 392   gdk_cursor_unref(new);
 393   gdk_window_stick(win);
 394   gdk_window_unstick(win);
 395
 396   //update time window of each viewer, let viewer insert hooks needed by process_traceset
 397   set_time_window(mw_data, time_window);
 398
 399   max_nb_events = get_max_event_number(mw_data);
 400
 401   process_traceset_api(mw_data, time_window->start_time,
 402                        ltt_time_add(time_window->start_time,time_window->time_width),
 403                        max_nb_events);
 404
 405   //call hooks to show each viewer and let them remove hooks
 406   show_viewer(mw_data);
 407
 408   //set the cursor back to normal
 409   gdk_window_set_cursor(win, NULL);
 410 }
 411
 412
 413 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 414  * selector (filter), when a trace is added into traceset, the selector should
 415  * reflect the change. The function is used to update the selector
 416  */
 417
 418 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 419 {
 420   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 421   LttvTracesetSelector  * s;
 422   LttvTraceSelector     * trace;
 423   LttvTracefileSelector * tracefile;
 424   LttvEventtypeSelector * eventtype;
 425   LttTracefile          * tf;
 426   GtkWidget             * w;
 427   LttFacility           * fac;
 428   LttEventType          * et;
 429
 430   w = gtk_multi_vpaned_get_first_widget(paned);
 431   while(w){
 432     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 433
 434     if(s){
 435       trace   = lttv_trace_selector_new(t);
 436       lttv_traceset_selector_trace_add(s, trace);
 437
 438       nb_facility = ltt_trace_facility_number(t);
 439       for(k=0;k<nb_facility;k++){
 440         fac = ltt_trace_facility_get(t,k);
 441         nb_event = (int) ltt_facility_eventtype_number(fac);
 442         for(m=0;m<nb_event;m++){
 443           et = ltt_facility_eventtype_get(fac,m);
 444           eventtype = lttv_eventtype_selector_new(et);
 445           lttv_trace_selector_eventtype_add(trace, eventtype);
 446         }
 447       }
 448
 449       nb_control = ltt_trace_control_tracefile_number(t);
 450       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 451       nb_tracefile = nb_control + nb_per_cpu;
 452
 453       for(j = 0 ; j < nb_tracefile ; j++) {
 454         if(j < nb_control)
 455           tf = ltt_trace_control_tracefile_get(t, j);
 456         else
 457           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 458         tracefile = lttv_tracefile_selector_new(tf);
 459         lttv_trace_selector_tracefile_add(trace, tracefile);
 460         lttv_eventtype_selector_copy(trace, tracefile);
 461       }
 462     }else g_warning("Module does not support filtering\n");
 463
 464     w = gtk_multi_vpaned_get_next_widget(paned);
 465   }
 466 }
 467
 468
 469 /* add_trace adds a trace into the current traceset. It first displays a
 470  * directory selection dialogue to let user choose a trace, then recreates
 471  * tracset_context, and redraws all the viewer of the current tab
 472  */
 473
 474 void add_trace(GtkWidget * widget, gpointer user_data)
 475 {
 476   LttTrace *trace;
 477   LttvTrace * trace_v;
 478   LttvTraceset * traceset;
 479   const char * dir;
 480   gint id;
 481   MainWindow * mw_data = get_window_data_struct(widget);
 482   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 483   gtk_dir_selection_hide_fileop_buttons(file_selector);
 484
 485   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 486   switch(id){
 487     case GTK_RESPONSE_ACCEPT:
 488     case GTK_RESPONSE_OK:
 489       dir = gtk_dir_selection_get_dir (file_selector);
 490       if(!dir || strlen(dir) ==0){
 491         gtk_widget_destroy((GtkWidget*)file_selector);
 492         break;
 493       }
 494       trace = ltt_trace_open(dir);
 495       if(trace == NULL) g_critical("cannot open trace %s", dir);
 496       trace_v = lttv_trace_new(trace);
 497       traceset = mw_data->current_tab->traceset_info->traceset;
 498       if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 499         lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 500                                                 traceset_info->traceset_context));
 501         g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 502       }
 503       lttv_traceset_add(traceset, trace_v);
 504       mw_data->current_tab->traceset_info->traceset_context =
 505         g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 506       lttv_context_init(
 507         LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 508                               traceset_context),traceset);
 509       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 510
 511       gtk_widget_destroy((GtkWidget*)file_selector);
 512
 513       //update current tab
 514       update_traceset(mw_data);
 515
 516       get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 517       if(lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1 ||
 518          ltt_time_compare(mw_data->current_tab->current_time,
 519              LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime)<0){
 520         mw_data->current_tab->current_time =
 521            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime;
 522         mw_data->current_tab->time_window.start_time = mw_data->current_tab->current_time;
 523         mw_data->current_tab->time_window.time_width.tv_sec = DEFAULT_TIME_WIDTH_S;
 524         mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 525       }
 526
 527       redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 528       set_current_time(mw_data,&(mw_data->current_tab->current_time));
 529       break;
 530     case GTK_RESPONSE_REJECT:
 531     case GTK_RESPONSE_CANCEL:
 532     default:
 533       gtk_widget_destroy((GtkWidget*)file_selector);
 534       break;
 535   }
 536 }
 537
 538
 539 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 540  * selector (filter), when a trace is remove from traceset, the selector should
 541  * reflect the change. The function is used to update the selector
 542  */
 543
 544 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 545 {
 546   LttvTracesetSelector * s;
 547   LttvTraceSelector * t;
 548   GtkWidget * w;
 549
 550   w = gtk_multi_vpaned_get_first_widget(paned);
 551   while(w){
 552     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 553     if(s){
 554       t = lttv_traceset_selector_trace_get(s,i);
 555       lttv_traceset_selector_trace_remove(s, i);
 556       lttv_trace_selector_destroy(t);
 557     }g_warning("Module dose not support filtering\n");
 558     w = gtk_multi_vpaned_get_next_widget(paned);
 559   }
 560 }
 561
 562
 563 /* remove_trace removes a trace from the current traceset if all viewers in
 564  * the current tab are not interested in the trace. It first displays a
 565  * dialogue, which shows all traces in the current traceset, to let user choose
 566  * a trace, then it checks if all viewers unselect the trace, if it is true,
 567  * it will remove the trace,  recreate the traceset_contex,
 568  * and redraws all the viewer of the current tab. If there is on trace in the
 569  * current traceset, it will delete all viewers of the current tab
 570  */
 571
 572 void remove_trace(GtkWidget * widget, gpointer user_data)
 573 {
 574   LttTrace *trace;
 575   LttvTrace * trace_v;
 576   LttvTraceset * traceset;
 577   gint i, nb_trace;
 578   char ** name, *remove_trace_name;
 579   MainWindow * mw_data = get_window_data_struct(widget);
 580   LttvTracesetSelector * s;
 581   LttvTraceSelector * t;
 582   GtkWidget * w;
 583   gboolean selected;
 584
 585   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 586   name = g_new(char*,nb_trace);
 587   for(i = 0; i < nb_trace; i++){
 588     trace_v = lttv_traceset_get(mw_data->current_tab->
 589                                 traceset_info->traceset, i);
 590     trace = lttv_trace(trace_v);
 591     name[i] = ltt_trace_name(trace);
 592   }
 593
 594   remove_trace_name = get_remove_trace(name, nb_trace);
 595
 596   if(remove_trace_name){
 597     for(i=0; i<nb_trace; i++){
 598       if(strcmp(remove_trace_name,name[i]) == 0){
 599         //unselect the trace from the current viewer
 600         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 601         if(w){
 602           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 603           if(s){
 604             t = lttv_traceset_selector_trace_get(s,i);
 605             lttv_trace_selector_set_selected(t, FALSE);
 606           }
 607
 608           //check if other viewers select the trace
 609           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 610           while(w){
 611             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 612             if(s){
 613               t = lttv_traceset_selector_trace_get(s,i);
 614               selected = lttv_trace_selector_get_selected(t);
 615               if(selected)break;
 616             }
 617             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 618           }
 619         }else selected = FALSE;
 620
 621         //if no viewer selects the trace, remove it
 622         if(!selected){
 623           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 624
 625           traceset = mw_data->current_tab->traceset_info->traceset;
 626           trace_v = lttv_traceset_get(traceset, i);
 627           if(lttv_trace_get_ref_number(trace_v) <= 1)
 628             ltt_trace_close(lttv_trace(trace_v));
 629
 630           if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 631             lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 632                                                     traceset_info->traceset_context));
 633             g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 634           }
 635           lttv_traceset_remove(traceset, i);
 636           if(!lttv_trace_get_ref_number(trace_v))
 637              lttv_trace_destroy(trace_v);
 638           mw_data->current_tab->traceset_info->traceset_context =
 639             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 640           lttv_context_init(
 641                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 642                                       traceset_info->traceset_context),traceset);
 643           //update current tab
 644           update_traceset(mw_data);
 645           if(nb_trace > 1){
 646             redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 647             set_current_time(mw_data,&(mw_data->current_tab->current_time));
 648           }else{
 649             if(mw_data->current_tab){
 650               while(mw_data->current_tab->multi_vpaned->num_children){
 651                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 652               }
 653             }
 654           }
 655         }
 656         break;
 657       }
 658     }
 659   }
 660
 661   g_free(name);
 662 }
 663
 664
 665 /* save will save the traceset to a file
 666  * Not implemented yet
 667  */
 668
 669 void save(GtkWidget * widget, gpointer user_data)
 670 {
 671   g_printf("Save\n");
 672 }
 673
 674 void save_as(GtkWidget * widget, gpointer user_data)
 675 {
 676   g_printf("Save as\n");
 677 }
 678
 679
 680 /* zoom will change the time_window of all the viewers of the
 681  * current tab, and redisplay them. The main functionality is to
 682  * determine the new time_window of the current tab
 683  */
 684
 685 void zoom(GtkWidget * widget, double size)
 686 {
 687   TimeInterval *time_span;
 688   TimeWindow time_window;
 689   LttTime    current_time, time_delta, time_s, time_e, time_t;
 690   MainWindow * mw_data = get_window_data_struct(widget);
 691
 692   if(size == 1) return;
 693
 694   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 695                                     traceset_info->traceset_context)->Time_Span;
 696   time_window =  mw_data->current_tab->time_window;
 697   current_time = mw_data->current_tab->current_time;
 698
 699   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 700   if(size == 0){
 701     time_window.start_time = time_span->startTime;
 702     time_window.time_width = time_delta;
 703   }else{
 704     time_window.time_width = ltt_time_div(time_window.time_width, size);
 705     if(ltt_time_compare(time_window.time_width,time_delta) > 0)
 706       time_window.time_width = time_delta;
 707
 708     time_t = ltt_time_div(time_window.time_width, 2);
 709     if(ltt_time_compare(current_time, time_t) < 0){
 710       time_s = time_span->startTime;
 711     } else {
 712       time_s = ltt_time_sub(current_time,time_t);
 713     }
 714     time_e = ltt_time_add(current_time,time_t);
 715     if(ltt_time_compare(time_span->startTime, time_s) > 0){
 716       time_s = time_span->startTime;
 717     }else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 718       time_e = time_span->endTime;
 719       time_s = ltt_time_sub(time_e,time_window.time_width);
 720     }
 721     time_window.start_time = time_s;
 722   }
 723   redraw_viewer(mw_data, &time_window);
 724   set_current_time(mw_data,&(mw_data->current_tab->current_time));
 725   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, FALSE);
 726 }
 727
 728 void zoom_in(GtkWidget * widget, gpointer user_data)
 729 {
 730   zoom(widget, 2);
 731 }
 732
 733 void zoom_out(GtkWidget * widget, gpointer user_data)
 734 {
 735   zoom(widget, 0.5);
 736 }
 737
 738 void zoom_extended(GtkWidget * widget, gpointer user_data)
 739 {
 740   zoom(widget, 0);
 741 }
 742
 743 void go_to_time(GtkWidget * widget, gpointer user_data)
 744 {
 745   g_printf("Go to time\n");
 746 }
 747
 748 void show_time_frame(GtkWidget * widget, gpointer user_data)
 749 {
 750   g_printf("Show time frame\n");
 751 }
 752
 753
 754 /* callback function */
 755
 756 void
 757 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 758                                         gpointer         user_data)
 759 {
 760   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 761 }
 762
 763
 764 void
 765 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 766                                         gpointer         user_data)
 767 {
 768   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 769 }
 770
 771
 772 /* create_new_tab calls create_tab to construct a new tab in the main window
 773  */
 774
 775 void create_new_tab(GtkWidget* widget, gpointer user_data){
 776   gchar label[PATH_LENGTH];
 777   MainWindow * mw_data = get_window_data_struct(widget);
 778   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 779   if(notebook == NULL){
 780     g_printf("Notebook does not exist\n");
 781     return;
 782   }
 783
 784   strcpy(label,"Page");
 785   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 786     create_tab (mw_data, mw_data, notebook, label);
 787 }
 788
 789 void
 790 on_tab_activate                        (GtkMenuItem     *menuitem,
 791                                         gpointer         user_data)
 792 {
 793   create_new_tab((GtkWidget*)menuitem, user_data);
 794 }
 795
 796
 797 void
 798 on_open_activate                       (GtkMenuItem     *menuitem,
 799                                         gpointer         user_data)
 800 {
 801   open_traceset((GtkWidget*)menuitem, user_data);
 802 }
 803
 804
 805 void
 806 on_close_activate                      (GtkMenuItem     *menuitem,
 807                                         gpointer         user_data)
 808 {
 809   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 810   main_window_destructor(mw_data);
 811 }
 812
 813
 814 /* remove the current tab from the main window if it is not the default tab
 815  */
 816
 817 void
 818 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 819                                         gpointer         user_data)
 820 {
 821   GList * list;
 822   int count = 0;
 823   GtkWidget * notebook;
 824   Tab * tmp;
 825   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 826   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 827   if(notebook == NULL){
 828     g_printf("Notebook does not exist\n");
 829     return;
 830   }
 831
 832   if(mw_data->tab == mw_data->current_tab){
 833     //    tmp = mw_data->current_tb;
 834     //    mw_data->tab = mw_data->current_tab->next;
 835     g_printf("The default TAB can not be deleted\n");
 836     return;
 837   }else{
 838     tmp = mw_data->tab;
 839     while(tmp != mw_data->current_tab){
 840       tmp = tmp->next;
 841       count++;
 842     }
 843   }
 844
 845   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
 846   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 847   if(g_list_length(list)==1)
 848     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
 849 }
 850
 851
 852 void
 853 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 854                                         gpointer         user_data)
 855 {
 856   add_trace((GtkWidget*)menuitem, user_data);
 857 }
 858
 859
 860 void
 861 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 862                                         gpointer         user_data)
 863 {
 864   remove_trace((GtkWidget*)menuitem, user_data);
 865 }
 866
 867
 868 void
 869 on_save_activate                       (GtkMenuItem     *menuitem,
 870                                         gpointer         user_data)
 871 {
 872   save((GtkWidget*)menuitem, user_data);
 873 }
 874
 875
 876 void
 877 on_save_as_activate                    (GtkMenuItem     *menuitem,
 878                                         gpointer         user_data)
 879 {
 880   save_as((GtkWidget*)menuitem, user_data);
 881 }
 882
 883
 884 void
 885 on_quit_activate                       (GtkMenuItem     *menuitem,
 886                                         gpointer         user_data)
 887 {
 888   gtk_main_quit ();
 889 }
 890
 891
 892 void
 893 on_cut_activate                        (GtkMenuItem     *menuitem,
 894                                         gpointer         user_data)
 895 {
 896   g_printf("Cut\n");
 897 }
 898
 899
 900 void
 901 on_copy_activate                       (GtkMenuItem     *menuitem,
 902                                         gpointer         user_data)
 903 {
 904   g_printf("Copye\n");
 905 }
 906
 907
 908 void
 909 on_paste_activate                      (GtkMenuItem     *menuitem,
 910                                         gpointer         user_data)
 911 {
 912   g_printf("Paste\n");
 913 }
 914
 915
 916 void
 917 on_delete_activate                     (GtkMenuItem     *menuitem,
 918                                         gpointer         user_data)
 919 {
 920   g_printf("Delete\n");
 921 }
 922
 923
 924 void
 925 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 926                                         gpointer         user_data)
 927 {
 928    zoom_in((GtkWidget*)menuitem, user_data);
 929 }
 930
 931
 932 void
 933 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 934                                         gpointer         user_data)
 935 {
 936    zoom_out((GtkWidget*)menuitem, user_data);
 937 }
 938
 939
 940 void
 941 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 942                                         gpointer         user_data)
 943 {
 944    zoom_extended((GtkWidget*)menuitem, user_data);
 945 }
 946
 947
 948 void
 949 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 950                                         gpointer         user_data)
 951 {
 952    go_to_time((GtkWidget*)menuitem, user_data);
 953 }
 954
 955
 956 void
 957 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 958                                         gpointer         user_data)
 959 {
 960    show_time_frame((GtkWidget*)menuitem, user_data);
 961 }
 962
 963
 964 void
 965 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
 966                                         gpointer         user_data)
 967 {
 968   move_up_viewer((GtkWidget*)menuitem, user_data);
 969 }
 970
 971
 972 void
 973 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
 974                                         gpointer         user_data)
 975 {
 976   move_down_viewer((GtkWidget*)menuitem, user_data);
 977 }
 978
 979
 980 void
 981 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
 982                                         gpointer         user_data)
 983 {
 984   delete_viewer((GtkWidget*)menuitem, user_data);
 985 }
 986
 987 void
 988 on_trace_filter_activate              (GtkMenuItem     *menuitem,
 989                                         gpointer         user_data)
 990 {
 991   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 992   LttvTracesetSelector * s;
 993   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 994
 995   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 996   if(!s){
 997     g_printf("There is no viewer yet\n");
 998     return;
 999   }
1000   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1001     update_traceset(mw_data);
1002     redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
1003     set_current_time(mw_data,&(mw_data->current_tab->current_time));
1004   }
1005 }
1006
1007 void
1008 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1009                                         gpointer         user_data)
1010 {
1011   g_printf("Trace facility selector: %s\n");
1012 }
1013
1014
1015 /* Dispaly a file selection dialogue to let user select a module, then call
1016  * lttv_module_load(), finally insert tool button and menu entry in the main window
1017  * for the loaded  module
1018  */
1019
1020 void
1021 on_load_module_activate                (GtkMenuItem     *menuitem,
1022                                         gpointer         user_data)
1023 {
1024   char ** dir;
1025   gint id;
1026   char str[PATH_LENGTH], *str1;
1027   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1028   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1029   gtk_file_selection_hide_fileop_buttons(file_selector);
1030
1031   str[0] = '\0';
1032   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1033   switch(id){
1034     case GTK_RESPONSE_ACCEPT:
1035     case GTK_RESPONSE_OK:
1036       dir = gtk_file_selection_get_selections (file_selector);
1037       sprintf(str,dir[0]);
1038       str1 = strrchr(str,'/');
1039       if(str1)str1++;
1040       else{
1041         str1 = strrchr(str,'\\');
1042         str1++;
1043       }
1044       if(mw_data->win_creation_data)
1045         lttv_module_load(str1, mw_data->win_creation_data->argc,mw_data->win_creation_data->argv);
1046       else
1047         lttv_module_load(str1, 0,NULL);
1048       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1049           NULL);
1050       g_strfreev(dir);
1051     case GTK_RESPONSE_REJECT:
1052     case GTK_RESPONSE_CANCEL:
1053     default:
1054       gtk_widget_destroy((GtkWidget*)file_selector);
1055       break;
1056   }
1057   g_printf("Load module: %s\n", str);
1058 }
1059
1060
1061 /* Display all loaded modules, let user to select a module to unload
1062  * by calling lttv_module_unload
1063  */
1064
1065 void
1066 on_unload_module_activate              (GtkMenuItem     *menuitem,
1067                                         gpointer         user_data)
1068 {
1069   int i;
1070   char **name, *unload_module_name;
1071   guint nb;
1072   LttvModule ** modules, *module;
1073   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1074
1075   modules = lttv_module_list(&nb);
1076   name  = g_new(char*, nb);
1077   for(i=0;i<nb;i++){
1078     module = modules[i];
1079     name[i] = lttv_module_name(module);
1080   }
1081
1082   unload_module_name =get_unload_module(name,nb);
1083
1084   if(unload_module_name){
1085     for(i=0;i<nb;i++){
1086       if(strcmp(unload_module_name, name[i]) == 0){
1087         lttv_module_unload(modules[i]);
1088         break;
1089       }
1090     }
1091   }
1092
1093   g_free(name);
1094 }
1095
1096
1097 /* Display a directory dialogue to let user select a path for module searching
1098  */
1099
1100 void
1101 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1102                                         gpointer         user_data)
1103 {
1104   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1105   const char * dir;
1106   gint id;
1107
1108   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1109
1110   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1111   switch(id){
1112     case GTK_RESPONSE_ACCEPT:
1113     case GTK_RESPONSE_OK:
1114       dir = gtk_dir_selection_get_dir (file_selector);
1115       lttv_module_path_add(dir);
1116     case GTK_RESPONSE_REJECT:
1117     case GTK_RESPONSE_CANCEL:
1118     default:
1119       gtk_widget_destroy((GtkWidget*)file_selector);
1120       break;
1121   }
1122 }
1123
1124
1125 void
1126 on_color_activate                      (GtkMenuItem     *menuitem,
1127                                         gpointer         user_data)
1128 {
1129   g_printf("Color\n");
1130 }
1131
1132
1133 void
1134 on_filter_activate                     (GtkMenuItem     *menuitem,
1135                                         gpointer         user_data)
1136 {
1137   g_printf("Filter\n");
1138 }
1139
1140
1141 void
1142 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1143                                         gpointer         user_data)
1144 {
1145   g_printf("Save configuration\n");
1146 }
1147
1148
1149 void
1150 on_content_activate                    (GtkMenuItem     *menuitem,
1151                                         gpointer         user_data)
1152 {
1153   g_printf("Content\n");
1154 }
1155
1156
1157 void
1158 on_about_activate                      (GtkMenuItem     *menuitem,
1159                                         gpointer         user_data)
1160 {
1161   g_printf("About...\n");
1162 }
1163
1164
1165 void
1166 on_button_new_clicked                  (GtkButton       *button,
1167                                         gpointer         user_data)
1168 {
1169   create_new_window((GtkWidget*)button, user_data, TRUE);
1170 }
1171
1172 void
1173 on_button_new_tab_clicked              (GtkButton       *button,
1174                                         gpointer         user_data)
1175 {
1176   create_new_tab((GtkWidget*)button, user_data);
1177 }
1178
1179 void
1180 on_button_open_clicked                 (GtkButton       *button,
1181                                         gpointer         user_data)
1182 {
1183   open_traceset((GtkWidget*)button, user_data);
1184 }
1185
1186
1187 void
1188 on_button_add_trace_clicked            (GtkButton       *button,
1189                                         gpointer         user_data)
1190 {
1191   add_trace((GtkWidget*)button, user_data);
1192 }
1193
1194
1195 void
1196 on_button_remove_trace_clicked         (GtkButton       *button,
1197                                         gpointer         user_data)
1198 {
1199   remove_trace((GtkWidget*)button, user_data);
1200 }
1201
1202
1203 void
1204 on_button_save_clicked                 (GtkButton       *button,
1205                                         gpointer         user_data)
1206 {
1207   save((GtkWidget*)button, user_data);
1208 }
1209
1210
1211 void
1212 on_button_save_as_clicked              (GtkButton       *button,
1213                                         gpointer         user_data)
1214 {
1215   save_as((GtkWidget*)button, user_data);
1216 }
1217
1218
1219 void
1220 on_button_zoom_in_clicked              (GtkButton       *button,
1221                                         gpointer         user_data)
1222 {
1223    zoom_in((GtkWidget*)button, user_data);
1224 }
1225
1226
1227 void
1228 on_button_zoom_out_clicked             (GtkButton       *button,
1229                                         gpointer         user_data)
1230 {
1231    zoom_out((GtkWidget*)button, user_data);
1232 }
1233
1234
1235 void
1236 on_button_zoom_extended_clicked        (GtkButton       *button,
1237                                         gpointer         user_data)
1238 {
1239    zoom_extended((GtkWidget*)button, user_data);
1240 }
1241
1242
1243 void
1244 on_button_go_to_time_clicked           (GtkButton       *button,
1245                                         gpointer         user_data)
1246 {
1247    go_to_time((GtkWidget*)button, user_data);
1248 }
1249
1250
1251 void
1252 on_button_show_time_frame_clicked      (GtkButton       *button,
1253                                         gpointer         user_data)
1254 {
1255    show_time_frame((GtkWidget*)button, user_data);
1256 }
1257
1258
1259 void
1260 on_button_move_up_clicked              (GtkButton       *button,
1261                                         gpointer         user_data)
1262 {
1263   move_up_viewer((GtkWidget*)button, user_data);
1264 }
1265
1266
1267 void
1268 on_button_move_down_clicked            (GtkButton       *button,
1269                                         gpointer         user_data)
1270 {
1271   move_down_viewer((GtkWidget*)button, user_data);
1272 }
1273
1274
1275 void
1276 on_button_delete_viewer_clicked        (GtkButton       *button,
1277                                         gpointer         user_data)
1278 {
1279   delete_viewer((GtkWidget*)button, user_data);
1280 }
1281
1282 void
1283 on_MWindow_destroy                     (GtkObject       *object,
1284                                         gpointer         user_data)
1285 {
1286   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1287   GtkWidget  *widget;
1288   Tab *tab = Main_Window->tab;
1289
1290   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1291
1292   g_win_count--;
1293   if(g_win_count == 0)
1294     gtk_main_quit ();
1295 }
1296
1297 gboolean
1298 on_MWindow_configure                   (GtkWidget         *widget,
1299                                         GdkEventConfigure *event,
1300                                         gpointer           user_data)
1301 {
1302   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1303   float width = event->width;
1304   Tab * tab = mw_data->tab;
1305   TimeWindow time_win;
1306   double ratio;
1307   TimeInterval *time_span;
1308   LttTime time;
1309
1310         // MD : removed time width modification upon resizing of the main window.
1311         // The viewers will redraw themselves completely, without time interval
1312         // modification.
1313 /*  while(tab){
1314     if(mw_data->window_width){
1315       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1316       time_win = tab->time_window;
1317       ratio = width / mw_data->window_width;
1318       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1319       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1320       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1321         tab->time_window.time_width = time;
1322       }
1323     }
1324     tab = tab->next;
1325   }
1326
1327   mw_data->window_width = (int)width;
1328         */
1329   return FALSE;
1330 }
1331
1332
1333 /* Set current tab
1334  */
1335
1336 void
1337 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1338                                         GtkNotebookPage *page,
1339                                         guint            page_num,
1340                                         gpointer         user_data)
1341 {
1342   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1343   Tab * tab = mw->tab;
1344
1345   while(page_num){
1346     tab = tab->next;
1347     page_num--;
1348   }
1349   mw->current_tab = tab;
1350 }
1351
1352
1353 /* callback function to check or uncheck the check box (filter)
1354  */
1355
1356 void checkbox_changed(GtkTreeView *treeview,
1357                       GtkTreePath *arg1,
1358                       GtkTreeViewColumn *arg2,
1359                       gpointer user_data)
1360 {
1361   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1362   GtkTreeIter iter;
1363   gboolean value;
1364
1365   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1366     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1367     value = value? FALSE : TRUE;
1368     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1369   }
1370
1371 }
1372
1373
1374 /* According to user's selection, update selector(filter)
1375  */
1376
1377 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1378 {
1379   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1380   int i, j, k, nb_eventtype;
1381   LttvTraceSelector     * trace;
1382   LttvTracefileSelector * tracefile;
1383   LttvEventtypeSelector * eventtype;
1384   gboolean value, value1, value2;
1385
1386   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1387     i = 0;
1388     do{
1389       trace = lttv_traceset_selector_trace_get(s, i);
1390       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1391       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1392       if(value){
1393         j = 0;
1394         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1395           do{
1396             if(j<1){//eventtype selector for trace
1397               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1398               if(value2){
1399                 k=0;
1400                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1401                   do{
1402                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1403                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1404                     lttv_eventtype_selector_set_selected(eventtype,value2);
1405                     k++;
1406                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1407                 }
1408               }
1409             }else{ //tracefile selector
1410               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1411               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1412               lttv_tracefile_selector_set_selected(tracefile,value1);
1413               if(value1){
1414                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1415                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1416                 if(value2){
1417                   k = 0;
1418                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1419                     do{//eventtype selector for tracefile
1420                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1421                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1422                       lttv_eventtype_selector_set_selected(eventtype,value2);
1423                       k++;
1424                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1425                   }
1426                 }
1427               }
1428             }
1429             j++;
1430           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1431         }
1432       }
1433       lttv_trace_selector_set_selected(trace,value);
1434       i++;
1435     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1436   }
1437 }
1438
1439
1440 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1441  * eventtypes, tracefiles and traces (filter)
1442  */
1443
1444 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1445 {
1446   GtkWidget         * dialogue;
1447   GtkTreeStore      * store;
1448   GtkWidget         * tree;
1449   GtkWidget         * scroll_win;
1450   GtkCellRenderer   * renderer;
1451   GtkTreeViewColumn * column;
1452   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1453   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1454   LttvTraceSelector     * trace;
1455   LttvTracefileSelector * tracefile;
1456   LttvEventtypeSelector * eventtype;
1457   char * name;
1458   gboolean checked;
1459
1460   dialogue = gtk_dialog_new_with_buttons(title,
1461                                          NULL,
1462                                          GTK_DIALOG_MODAL,
1463                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1464                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1465                                          NULL);
1466   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1467
1468   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1469   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1470   g_object_unref (G_OBJECT (store));
1471   g_signal_connect (G_OBJECT (tree), "row-activated",
1472                     G_CALLBACK (checkbox_changed),
1473                     NULL);
1474
1475
1476   renderer = gtk_cell_renderer_toggle_new ();
1477   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1478
1479   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1480
1481   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1482                                                        renderer,
1483                                                        "active", CHECKBOX_COLUMN,
1484                                                        NULL);
1485   gtk_tree_view_column_set_alignment (column, 0.5);
1486   gtk_tree_view_column_set_fixed_width (column, 20);
1487   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1488
1489   renderer = gtk_cell_renderer_text_new ();
1490   column   = gtk_tree_view_column_new_with_attributes (column_title,
1491                                                        renderer,
1492                                                        "text", NAME_COLUMN,
1493                                                        NULL);
1494   gtk_tree_view_column_set_alignment (column, 0.0);
1495   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1496   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1497
1498   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1499   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1500                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1501   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1502
1503   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1504
1505   gtk_widget_show(scroll_win);
1506   gtk_widget_show(tree);
1507
1508   nb_trace = lttv_traceset_selector_trace_number(s);
1509   for(i=0;i<nb_trace;i++){
1510     trace = lttv_traceset_selector_trace_get(s, i);
1511     name  = lttv_trace_selector_get_name(trace);
1512     gtk_tree_store_append (store, &iter, NULL);
1513     checked = lttv_trace_selector_get_selected(trace);
1514     gtk_tree_store_set (store, &iter,
1515                         CHECKBOX_COLUMN,checked,
1516                         NAME_COLUMN,name,
1517                         -1);
1518
1519     gtk_tree_store_append (store, &child_iter, &iter);
1520     gtk_tree_store_set (store, &child_iter,
1521                         CHECKBOX_COLUMN, checked,
1522                         NAME_COLUMN,"eventtype",
1523                         -1);
1524
1525     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1526     for(j=0;j<nb_eventtype;j++){
1527       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1528       name      = lttv_eventtype_selector_get_name(eventtype);
1529       checked   = lttv_eventtype_selector_get_selected(eventtype);
1530       gtk_tree_store_append (store, &child_iter1, &child_iter);
1531       gtk_tree_store_set (store, &child_iter1,
1532                           CHECKBOX_COLUMN, checked,
1533                           NAME_COLUMN,name,
1534                           -1);
1535     }
1536
1537     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1538     for(j=0;j<nb_tracefile;j++){
1539       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1540       name      = lttv_tracefile_selector_get_name(tracefile);
1541       gtk_tree_store_append (store, &child_iter, &iter);
1542       checked = lttv_tracefile_selector_get_selected(tracefile);
1543       gtk_tree_store_set (store, &child_iter,
1544                           CHECKBOX_COLUMN, checked,
1545                           NAME_COLUMN,name,
1546                           -1);
1547
1548       gtk_tree_store_append (store, &child_iter1, &child_iter);
1549       gtk_tree_store_set (store, &child_iter1,
1550                           CHECKBOX_COLUMN, checked,
1551                           NAME_COLUMN,"eventtype",
1552                           -1);
1553
1554       for(k=0;k<nb_eventtype;k++){
1555         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1556         name      = lttv_eventtype_selector_get_name(eventtype);
1557         checked   = lttv_eventtype_selector_get_selected(eventtype);
1558         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1559         gtk_tree_store_set (store, &child_iter2,
1560                             CHECKBOX_COLUMN, checked,
1561                             NAME_COLUMN,name,
1562                             -1);
1563       }
1564     }
1565   }
1566
1567   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1568   switch(id){
1569     case GTK_RESPONSE_ACCEPT:
1570     case GTK_RESPONSE_OK:
1571       update_filter(s, store);
1572       gtk_widget_destroy(dialogue);
1573       return TRUE;
1574     case GTK_RESPONSE_REJECT:
1575     case GTK_RESPONSE_CANCEL:
1576     default:
1577       gtk_widget_destroy(dialogue);
1578       break;
1579   }
1580   return FALSE;
1581 }
1582
1583
1584 /* Select a trace which will be removed from traceset
1585  */
1586
1587 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1588 {
1589   return get_selection(all_trace_name, nb_trace,
1590                        "Select a trace", "Trace pathname");
1591 }
1592
1593
1594 /* Select a module which will be unloaded
1595  */
1596
1597 char * get_unload_module(char ** loaded_module_name, int nb_module)
1598 {
1599   return get_selection(loaded_module_name, nb_module,
1600                        "Select an unload module", "Module pathname");
1601 }
1602
1603
1604 /* Display a dialogue which shows all selectable items, let user to
1605  * select one of them
1606  */
1607
1608 char * get_selection(char ** loaded_module_name, int nb_module,
1609                      char *title, char * column_title)
1610 {
1611   GtkWidget         * dialogue;
1612   GtkWidget         * scroll_win;
1613   GtkWidget         * tree;
1614   GtkListStore      * store;
1615   GtkTreeViewColumn * column;
1616   GtkCellRenderer   * renderer;
1617   GtkTreeSelection  * select;
1618   GtkTreeIter         iter;
1619   gint                id, i;
1620   char              * unload_module_name = NULL;
1621
1622   dialogue = gtk_dialog_new_with_buttons(title,
1623                                          NULL,
1624                                          GTK_DIALOG_MODAL,
1625                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1626                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1627                                          NULL);
1628   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1629
1630   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1631   gtk_widget_show ( scroll_win);
1632   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1633                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1634
1635   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1636   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1637   gtk_widget_show ( tree);
1638   g_object_unref (G_OBJECT (store));
1639
1640   renderer = gtk_cell_renderer_text_new ();
1641   column   = gtk_tree_view_column_new_with_attributes (column_title,
1642                                                      renderer,
1643                                                      "text", MODULE_COLUMN,
1644                                                      NULL);
1645   gtk_tree_view_column_set_alignment (column, 0.5);
1646   gtk_tree_view_column_set_fixed_width (column, 150);
1647   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1648
1649   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1650   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1651
1652   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1653
1654   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1655
1656   for(i=0;i<nb_module;i++){
1657     gtk_list_store_append (store, &iter);
1658     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1659   }
1660
1661   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1662   switch(id){
1663     case GTK_RESPONSE_ACCEPT:
1664     case GTK_RESPONSE_OK:
1665       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1666           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1667       }
1668     case GTK_RESPONSE_REJECT:
1669     case GTK_RESPONSE_CANCEL:
1670     default:
1671       gtk_widget_destroy(dialogue);
1672       break;
1673   }
1674
1675   return unload_module_name;
1676 }
1677
1678
1679 /* hash funtions
1680  */
1681
1682 void main_window_destroy_hash_key(gpointer key)
1683 {
1684   g_free(key);
1685 }
1686
1687 void main_window_destroy_hash_data(gpointer data)
1688 {
1689 }
1690
1691
1692 /* Insert menu entry and tool button into all main windows for modules
1693  * It checks whether the menu entry or tool button exists or not,
1694  * if they do not exist, then construct the widget and insert them
1695  * into all main windows
1696  */
1697
1698 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1699 {
1700   int i;
1701   GdkPixbuf *pixbuf;
1702   view_constructor constructor;
1703   LttvMenus * menu;
1704   LttvToolbars * toolbar;
1705   lttv_menu_closure *menu_item;
1706   lttv_toolbar_closure *toolbar_item;
1707   LttvAttributeValue value;
1708   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1709   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1710
1711   g_assert(lttv_iattribute_find_by_path(attributes,
1712            "viewers/menu", LTTV_POINTER, &value));
1713   menu = (LttvMenus*)*(value.v_pointer);
1714
1715   if(menu){
1716     for(i=0;i<menu->len;i++){
1717       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1718       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1719       if(tmp)continue;
1720       constructor = menu_item->con;
1721       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1722       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1723       gtk_widget_show (insert_view);
1724       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1725       g_signal_connect ((gpointer) insert_view, "activate",
1726                         G_CALLBACK (insert_viewer_wrap),
1727                         constructor);
1728       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1729                           insert_view);
1730     }
1731   }
1732
1733   g_assert(lttv_iattribute_find_by_path(attributes,
1734            "viewers/toolbar", LTTV_POINTER, &value));
1735   toolbar = (LttvToolbars*)*(value.v_pointer);
1736
1737   if(toolbar){
1738     for(i=0;i<toolbar->len;i++){
1739       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1740       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1741       if(tmp)continue;
1742       constructor = toolbar_item->con;
1743       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1744       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1745       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1746       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1747                                                 GTK_TOOLBAR_CHILD_BUTTON,
1748                                                 NULL,
1749                                                 "",
1750                                                 toolbar_item->tooltip, NULL,
1751                                                 pixmap, NULL, NULL);
1752       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1753       gtk_widget_show (insert_view);
1754       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1755       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1756       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1757                           insert_view);
1758     }
1759   }
1760 }
1761
1762
1763 /* Create a main window
1764  */
1765
1766 void construct_main_window(MainWindow * parent, WindowCreationData * win_creation_data)
1767 {
1768   g_critical("construct_main_window()");
1769   GtkWidget  * new_window; /* New generated main window */
1770   MainWindow * new_m_window;/* New main window structure */
1771   GtkNotebook * notebook;
1772   LttvIAttribute *attributes =
1773           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1774   LttvAttributeValue value;
1775
1776   new_m_window = g_new(MainWindow, 1);
1777
1778   // Add the object's information to the module's array
1779   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1780
1781
1782   new_window  = create_MWindow();
1783   gtk_widget_show (new_window);
1784
1785   new_m_window->attributes = attributes;
1786
1787   new_m_window->mwindow = new_window;
1788   new_m_window->tab = NULL;
1789   new_m_window->current_tab = NULL;
1790   new_m_window->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1791   if(parent){
1792     new_m_window->win_creation_data = parent->win_creation_data;
1793   }else{
1794     new_m_window->win_creation_data = win_creation_data;
1795   }
1796
1797   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1798                                               main_window_destroy_hash_key,
1799                                               main_window_destroy_hash_data);
1800   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1801                                               main_window_destroy_hash_key,
1802                                               main_window_destroy_hash_data);
1803
1804   insert_menu_toolbar_item(new_m_window, NULL);
1805
1806   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1807
1808   //create a default tab
1809   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1810   if(notebook == NULL){
1811     g_printf("Notebook does not exist\n");
1812     return;
1813   }
1814   //for now there is no name field in LttvTraceset structure
1815   //Use "Traceset" as the label for the default tab
1816   create_tab(parent, new_m_window, notebook,"Traceset");
1817
1818   g_object_set_data_full(
1819                         G_OBJECT(new_m_window->mwindow),
1820                         "Main_Window_Data",
1821                         new_m_window,
1822                         (GDestroyNotify)main_window_free);
1823
1824   g_win_count++;
1825 }
1826
1827
1828 /* Free the memory occupied by a tab structure
1829  * destroy the tab
1830  */
1831
1832 void tab_destructor(Tab * tab_instance)
1833 {
1834   int i, nb, ref_count;
1835   LttvTrace * trace;
1836
1837   if(tab_instance->attributes)
1838     g_object_unref(tab_instance->attributes);
1839
1840   if(tab_instance->mw->tab == tab_instance){
1841     tab_instance->mw->tab = tab_instance->next;
1842   }else{
1843     Tab * tmp1, *tmp = tab_instance->mw->tab;
1844     while(tmp != tab_instance){
1845       tmp1 = tmp;
1846       tmp = tmp->next;
1847     }
1848     tmp1->next = tab_instance->next;
1849   }
1850
1851   if(tab_instance->traceset_info->traceset_context != NULL){
1852     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
1853                                             traceset_context));
1854     g_object_unref(tab_instance->traceset_info->traceset_context);
1855   }
1856   if(tab_instance->traceset_info->traceset != NULL) {
1857     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
1858     for(i = 0 ; i < nb ; i++) {
1859       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
1860       ref_count = lttv_trace_get_ref_number(trace);
1861       if(ref_count <= 1){
1862         ltt_trace_close(lttv_trace(trace));
1863         lttv_trace_destroy(trace);
1864       }
1865       //      lttv_trace_destroy(trace);
1866     }
1867   }
1868   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
1869   g_free(tab_instance->traceset_info);
1870   g_free(tab_instance);
1871 }
1872
1873
1874 /* Create a tab and insert it into the current main window
1875  */
1876
1877 void * create_tab(MainWindow * parent, MainWindow* current_window,
1878                   GtkNotebook * notebook, char * label)
1879 {
1880   GList * list;
1881   Tab * tmp_tab;
1882   MainWindow * mw_data = current_window;
1883   LttTime tmp_time;
1884
1885   //create a new tab data structure
1886   tmp_tab = mw_data->tab;
1887   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
1888   if(!tmp_tab){
1889     mw_data->current_tab = NULL;
1890     tmp_tab = g_new(Tab,1);
1891     mw_data->tab = tmp_tab;
1892   }else{
1893     tmp_tab->next = g_new(Tab,1);
1894     tmp_tab = tmp_tab->next;
1895   }
1896
1897   //construct and initialize the traceset_info
1898   tmp_tab->traceset_info = g_new(TracesetInfo,1);
1899   if(parent){
1900     tmp_tab->traceset_info->traceset =
1901       lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
1902   }else{
1903     if(mw_data->current_tab){
1904       tmp_tab->traceset_info->traceset =
1905         lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
1906     }else{
1907       tmp_tab->traceset_info->traceset = lttv_traceset_new();
1908       /* Add the command line trace */
1909       if(g_init_trace != NULL)
1910         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
1911     }
1912   }
1913   //FIXME copy not implemented in lower level
1914   tmp_tab->traceset_info->traceset_context =
1915     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1916   lttv_context_init(
1917             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
1918                                   tmp_tab->traceset_info->traceset);
1919
1920   //determine the current_time and time_window of the tab
1921   if(mw_data->current_tab){
1922     // Will have to read directly at the main window level, as we want
1923     // to be able to modify a traceset on the fly.
1924     tmp_tab->time_window      = mw_data->current_tab->time_window;
1925     tmp_tab->current_time     = mw_data->current_tab->current_time;
1926   }else{
1927     // Will have to read directly at the main window level, as we want
1928     // to be able to modify a traceset on the fly.
1929     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
1930     tmp_tab->time_window.start_time   =
1931             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
1932     if(DEFAULT_TIME_WIDTH_S <
1933               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
1934       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
1935     else
1936       tmp_time.tv_sec =
1937               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
1938     tmp_time.tv_nsec = 0;
1939     tmp_tab->time_window.time_width = tmp_time ;
1940     tmp_tab->current_time.tv_sec =
1941        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
1942     tmp_tab->current_time.tv_nsec =
1943        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
1944   }
1945   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1946   //  mw_data->current_tab = tmp_tab;
1947   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
1948   tmp_tab->multi_vpaned->mw = mw_data;
1949   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
1950   tmp_tab->next = NULL;
1951   tmp_tab->mw   = mw_data;
1952
1953   tmp_tab->label = gtk_label_new (label);
1954   gtk_widget_show (tmp_tab->label);
1955
1956   g_object_set_data_full(
1957            G_OBJECT(tmp_tab->multi_vpaned),
1958            "Tab_Info",
1959            tmp_tab,
1960            (GDestroyNotify)tab_destructor);
1961
1962   //add state update hooks
1963   lttv_state_add_event_hooks(
1964        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
1965
1966   //insert tab into notebook
1967   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
1968   list = gtk_container_get_children(GTK_CONTAINER(notebook));
1969   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
1970   if(g_list_length(list)>1)
1971     gtk_notebook_set_show_tabs(notebook, TRUE);
1972 }
1973
1974
1975 /* Remove menu entry and tool button from main window for the
1976  * unloaded  module
1977  */
1978
1979 void remove_menu_item(gpointer main_win, gpointer user_data)
1980 {
1981   MainWindow * mw = (MainWindow *) main_win;
1982   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
1983   GtkWidget * tool_menu_title_menu, *insert_view;
1984
1985   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1986   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
1987                                                 menu_item->menuText);
1988   if(insert_view){
1989     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
1990     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1991   }
1992 }
1993
1994 void remove_toolbar_item(gpointer main_win, gpointer user_data)
1995 {
1996   MainWindow * mw = (MainWindow *) main_win;
1997   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
1998   GtkWidget * tool_menu_title_menu, *insert_view;
1999
2000
2001   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2002   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2003                                                 toolbar_item->tooltip);
2004   if(insert_view){
2005     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2006     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2007   }
2008 }
2009
2010 /**
2011  * Remove menu and toolbar item when a module unloaded from all
2012  * main windows
2013  */
2014
2015 void main_window_remove_menu_item(lttv_constructor constructor)
2016 {
2017   int i;
2018   LttvMenus * menu;
2019   lttv_menu_closure *menu_item;
2020   LttvAttributeValue value;
2021   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2022
2023   g_assert(lttv_iattribute_find_by_path(attributes,
2024            "viewers/menu", LTTV_POINTER, &value));
2025   menu = (LttvMenus*)*(value.v_pointer);
2026
2027   if(menu){
2028     for(i=0;i<menu->len;i++){
2029       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2030       if(menu_item->con != constructor) continue;
2031       if(g_main_window_list){
2032         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2033       }
2034       break;
2035     }
2036   }
2037
2038 }
2039
2040 void main_window_remove_toolbar_item(lttv_constructor constructor)
2041 {
2042   int i;
2043   LttvToolbars * toolbar;
2044   lttv_toolbar_closure *toolbar_item;
2045   LttvAttributeValue value;
2046   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2047
2048   g_assert(lttv_iattribute_find_by_path(attributes,
2049            "viewers/toolbar", LTTV_POINTER, &value));
2050   toolbar = (LttvToolbars*)*(value.v_pointer);
2051
2052   if(toolbar){
2053     for(i=0;i<toolbar->len;i++){
2054       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2055       if(toolbar_item->con != constructor) continue;
2056       if(g_main_window_list){
2057         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2058       }
2059       break;
2060     }
2061   }
2062 }