ltt/branches/poly/lttv/modules/gui/lttvwindow/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
  25 #include "callbacks.h"
  26 #include "interface.h"
  27 #include "support.h"
  28 #include <lttv/lttv.h>
  29 #include <lttvgui/mainwindow.h>
  30 #include <lttvgui/menu.h>
  31 #include <lttvgui/toolbar.h>
  32 #include <lttvgui/gtktraceset.h>
  33 #include <lttv/module.h>
  34 #include <lttvgui/gtkdirsel.h>
  35 #include <lttv/iattribute.h>
  36 #include <lttvgui/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 // MD : keep old directory
  52 static char remember_plugins_dir[PATH_LENGTH] = "";
  53 static char remember_trace_dir[PATH_LENGTH] = "";
  54
  55
  56 MainWindow * get_window_data_struct(GtkWidget * widget);
  57 char * get_unload_module(char ** loaded_module_name, int nb_module);
  58 char * get_remove_trace(char ** all_trace_name, int nb_trace);
  59 char * get_selection(char ** all_name, int nb, char *title, char * column_title);
  60 gboolean get_filter_selection(LttvTracesetSelector *s, char *title, char * column_title);
  61 void * create_tab(MainWindow * parent, MainWindow * current_window,
  62                   GtkNotebook * notebook, char * label);
  63
  64 void insert_viewer(GtkWidget* widget, view_constructor constructor);
  65 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store );
  66
  67 void checkbox_changed(GtkTreeView *treeview,
  68                       GtkTreePath *arg1,
  69                       GtkTreeViewColumn *arg2,
  70                       gpointer user_data);
  71 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i);
  72 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * trace);
  73
  74 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset);
  75
  76 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window);
  77 unsigned get_max_event_number(MainWindow * mw_data);
  78
  79 enum {
  80   CHECKBOX_COLUMN,
  81   NAME_COLUMN,
  82   TOTAL_COLUMNS
  83 };
  84
  85 enum
  86 {
  87   MODULE_COLUMN,
  88   N_COLUMNS
  89 };
  90
  91 /* Construct a selector(filter), which will be associated with a viewer,
  92  * and provides an interface for user to select interested events and traces
  93  */
  94
  95 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset)
  96 {
  97   LttvTracesetSelector  * s;
  98   LttvTraceSelector     * trace;
  99   LttvTracefileSelector * tracefile;
 100   LttvEventtypeSelector * eventtype;
 101   int i, j, k, m;
 102   int nb_trace, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 103   LttvTrace * trace_v;
 104   LttTrace  * t;
 105   LttTracefile *tf;
 106   LttFacility * fac;
 107   LttEventType * et;
 108
 109   s = lttv_traceset_selector_new(lttv_traceset_name(traceset));
 110   nb_trace = lttv_traceset_number(traceset);
 111   for(i=0;i<nb_trace;i++){
 112     trace_v = lttv_traceset_get(traceset, i);
 113     t       = lttv_trace(trace_v);
 114     trace   = lttv_trace_selector_new(t);
 115     lttv_traceset_selector_trace_add(s, trace);
 116
 117     nb_facility = ltt_trace_facility_number(t);
 118     for(k=0;k<nb_facility;k++){
 119       fac = ltt_trace_facility_get(t,k);
 120       nb_event = (int) ltt_facility_eventtype_number(fac);
 121       for(m=0;m<nb_event;m++){
 122         et = ltt_facility_eventtype_get(fac,m);
 123         eventtype = lttv_eventtype_selector_new(et);
 124         lttv_trace_selector_eventtype_add(trace, eventtype);
 125       }
 126     }
 127
 128     nb_control = ltt_trace_control_tracefile_number(t);
 129     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 130     nb_tracefile = nb_control + nb_per_cpu;
 131
 132     for(j = 0 ; j < nb_tracefile ; j++) {
 133       if(j < nb_control)
 134         tf = ltt_trace_control_tracefile_get(t, j);
 135       else
 136         tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 137       tracefile = lttv_tracefile_selector_new(tf);
 138       lttv_trace_selector_tracefile_add(trace, tracefile);
 139       lttv_eventtype_selector_copy(trace, tracefile);
 140     }
 141   }
 142   return s;
 143 }
 144
 145
 146 /* insert_viewer function constructs an instance of a viewer first,
 147  * then inserts the widget of the instance into the container of the
 148  * main window
 149  */
 150
 151 void
 152 insert_viewer_wrap(GtkWidget *menuitem, gpointer user_data)
 153 {
 154   guint val = 20;
 155
 156   insert_viewer((GtkWidget*)menuitem, (view_constructor)user_data);
 157   //  selected_hook(&val);
 158 }
 159
 160
 161 /* internal functions */
 162 void insert_viewer(GtkWidget* widget, view_constructor constructor)
 163 {
 164   GtkMultiVPaned * multi_vpaned;
 165   MainWindow * mw_data;
 166   GtkWidget * viewer;
 167   LttvTracesetSelector  * s;
 168   TimeInterval * time_interval;
 169   TimeWindow  time_window, t;
 170
 171   mw_data = get_window_data_struct(widget);
 172   if(!mw_data->current_tab) return;
 173   multi_vpaned = mw_data->current_tab->multi_vpaned;
 174
 175   s = construct_traceset_selector(mw_data->current_tab->traceset_info->traceset);
 176   viewer = (GtkWidget*)constructor(mw_data, s, "Traceset_Selector");
 177   if(viewer)
 178   {
 179     gtk_multi_vpaned_widget_add(multi_vpaned, viewer);
 180     // Added by MD
 181     //    g_object_unref(G_OBJECT(viewer));
 182
 183     time_window = mw_data->current_tab->time_window;
 184     time_interval = (TimeInterval*)g_object_get_data(G_OBJECT(viewer), TRACESET_TIME_SPAN);
 185     if(time_interval){
 186       t = time_window;
 187       time_window.start_time = time_interval->startTime;
 188       time_window.time_width = ltt_time_sub(time_interval->endTime,time_interval->startTime);
 189     }
 190
 191     redraw_viewer(mw_data,&time_window);
 192     set_current_time(mw_data,&(mw_data->current_tab->current_time));
 193     if(time_interval){
 194       set_time_window(mw_data,&t);
 195     }
 196   }
 197 }
 198
 199
 200 /* get_label function is used to get user input, it displays an input
 201  * box, which allows user to input a string
 202  */
 203
 204 void get_label_string (GtkWidget * text, gchar * label)
 205 {
 206   GtkEntry * entry = (GtkEntry*)text;
 207   if(strlen(gtk_entry_get_text(entry))!=0)
 208     strcpy(label,gtk_entry_get_text(entry));
 209 }
 210
 211 gboolean get_label(MainWindow * mw, gchar * str, gchar* dialogue_title, gchar * label_str)
 212 {
 213   GtkWidget * dialogue;
 214   GtkWidget * text;
 215   GtkWidget * label;
 216   gint id;
 217
 218   dialogue = gtk_dialog_new_with_buttons(dialogue_title,NULL,
 219                                          GTK_DIALOG_MODAL,
 220                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 221                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 222                                          NULL);
 223
 224   label = gtk_label_new(label_str);
 225   gtk_widget_show(label);
 226
 227   text = gtk_entry_new();
 228   gtk_widget_show(text);
 229
 230   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 231   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 232
 233   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 234   switch(id){
 235     case GTK_RESPONSE_ACCEPT:
 236       get_label_string(text,str);
 237       gtk_widget_destroy(dialogue);
 238       break;
 239     case GTK_RESPONSE_REJECT:
 240     default:
 241       gtk_widget_destroy(dialogue);
 242       return FALSE;
 243   }
 244   return TRUE;
 245 }
 246
 247
 248 /* get_window_data_struct function is actually a lookup function,
 249  * given a widget which is in the tree of the main window, it will
 250  * return the MainWindow data structure associated with main window
 251  */
 252
 253 MainWindow * get_window_data_struct(GtkWidget * widget)
 254 {
 255   GtkWidget * mw;
 256   MainWindow * mw_data;
 257
 258   mw = lookup_widget(widget, "MWindow");
 259   if(mw == NULL){
 260     g_printf("Main window does not exist\n");
 261     return;
 262   }
 263
 264   mw_data = (MainWindow *) g_object_get_data(G_OBJECT(mw),"mainWindow");
 265   if(mw_data == NULL){
 266     g_printf("Main window data does not exist\n");
 267     return;
 268   }
 269   return mw_data;
 270 }
 271
 272
 273 /* create_new_window function, just constructs a new main window
 274  */
 275
 276 void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone)
 277 {
 278   MainWindow * parent = get_window_data_struct(widget);
 279
 280   if(clone){
 281     g_printf("Clone : use the same traceset\n");
 282     construct_main_window(parent);
 283   }else{
 284     g_printf("Empty : traceset is set to NULL\n");
 285     construct_main_window(NULL);
 286   }
 287 }
 288
 289
 290 /* move_*_viewer functions move the selected view up/down in
 291  * the current tab
 292  */
 293
 294 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 295 {
 296   MainWindow * mw = get_window_data_struct(widget);
 297   if(!mw->current_tab) return;
 298   gtk_multi_vpaned_widget_move_up(mw->current_tab->multi_vpaned);
 299 }
 300
 301 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 302 {
 303   MainWindow * mw = get_window_data_struct(widget);
 304   if(!mw->current_tab) return;
 305   gtk_multi_vpaned_widget_move_down(mw->current_tab->multi_vpaned);
 306 }
 307
 308
 309 /* delete_viewer deletes the selected viewer in the current tab
 310  */
 311
 312 void delete_viewer(GtkWidget * widget, gpointer user_data)
 313 {
 314   MainWindow * mw = get_window_data_struct(widget);
 315   if(!mw->current_tab) return;
 316   gtk_multi_vpaned_widget_delete(mw->current_tab->multi_vpaned);
 317 }
 318
 319
 320 /* open_traceset will open a traceset saved in a file
 321  * Right now, it is not finished yet, (not working)
 322  */
 323
 324 void open_traceset(GtkWidget * widget, gpointer user_data)
 325 {
 326   char ** dir;
 327   gint id;
 328   LttvTraceset * traceset;
 329   MainWindow * mw_data = get_window_data_struct(widget);
 330   GtkFileSelection * file_selector =
 331     (GtkFileSelection *)gtk_file_selection_new("Select a traceset");
 332
 333   gtk_file_selection_hide_fileop_buttons(file_selector);
 334
 335   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 336   switch(id){
 337     case GTK_RESPONSE_ACCEPT:
 338     case GTK_RESPONSE_OK:
 339       dir = gtk_file_selection_get_selections (file_selector);
 340       traceset = lttv_traceset_load(dir[0]);
 341       g_printf("Open a trace set %s\n", dir[0]);
 342       //Not finished yet
 343       g_strfreev(dir);
 344     case GTK_RESPONSE_REJECT:
 345     case GTK_RESPONSE_CANCEL:
 346     default:
 347       gtk_widget_destroy((GtkWidget*)file_selector);
 348       break;
 349   }
 350
 351 }
 352
 353
 354 /* get_max_event_number returns the event number limit used by
 355  * lttv_process_traceset(LttvTracesetContext, endTime, maxNumEvents)
 356  * each viewer can set the limit
 357  */
 358
 359 unsigned get_max_event_number(MainWindow * mw_data)
 360 {
 361   unsigned nb = 0, *size;
 362   GtkWidget * w;
 363
 364   w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 365   while(w){
 366     size = (unsigned*)g_object_get_data(G_OBJECT(w), MAX_NUMBER_EVENT);
 367     if(size == NULL){
 368       nb = G_MAXULONG;
 369       break;
 370     }else{
 371       if(nb < *size)
 372         nb = *size;
 373     }
 374     w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 375   }
 376   return nb;
 377 }
 378
 379
 380 /* redraw_viewer parses the traceset first by calling
 381  * process_traceset_api, then display all viewers of
 382  * the current tab
 383  */
 384
 385 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window)
 386 {
 387   unsigned max_nb_events;
 388   GdkWindow * win;
 389   GdkCursor * new;
 390   GtkWidget* widget;
 391
 392   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 393   new = gdk_cursor_new(GDK_X_CURSOR);
 394   widget = lookup_widget(mw_data->mwindow, "MToolbar1");
 395   win = gtk_widget_get_parent_window(widget);
 396   gdk_window_set_cursor(win, new);
 397   gdk_cursor_unref(new);
 398   gdk_window_stick(win);
 399   gdk_window_unstick(win);
 400
 401   //update time window of each viewer, let viewer insert hooks needed by process_traceset
 402   set_time_window(mw_data, time_window);
 403
 404   max_nb_events = get_max_event_number(mw_data);
 405
 406   process_traceset_api(mw_data, time_window->start_time,
 407                        ltt_time_add(time_window->start_time,time_window->time_width),
 408                        max_nb_events);
 409
 410   //call hooks to show each viewer and let them remove hooks
 411   show_viewer(mw_data);
 412
 413   //set the cursor back to normal
 414   gdk_window_set_cursor(win, NULL);
 415 }
 416
 417
 418 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 419  * selector (filter), when a trace is added into traceset, the selector should
 420  * reflect the change. The function is used to update the selector
 421  */
 422
 423 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 424 {
 425   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 426   LttvTracesetSelector  * s;
 427   LttvTraceSelector     * trace;
 428   LttvTracefileSelector * tracefile;
 429   LttvEventtypeSelector * eventtype;
 430   LttTracefile          * tf;
 431   GtkWidget             * w;
 432   LttFacility           * fac;
 433   LttEventType          * et;
 434
 435   w = gtk_multi_vpaned_get_first_widget(paned);
 436   while(w){
 437     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 438
 439     if(s){
 440       trace   = lttv_trace_selector_new(t);
 441       lttv_traceset_selector_trace_add(s, trace);
 442
 443       nb_facility = ltt_trace_facility_number(t);
 444       for(k=0;k<nb_facility;k++){
 445         fac = ltt_trace_facility_get(t,k);
 446         nb_event = (int) ltt_facility_eventtype_number(fac);
 447         for(m=0;m<nb_event;m++){
 448           et = ltt_facility_eventtype_get(fac,m);
 449           eventtype = lttv_eventtype_selector_new(et);
 450           lttv_trace_selector_eventtype_add(trace, eventtype);
 451         }
 452       }
 453
 454       nb_control = ltt_trace_control_tracefile_number(t);
 455       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 456       nb_tracefile = nb_control + nb_per_cpu;
 457
 458       for(j = 0 ; j < nb_tracefile ; j++) {
 459         if(j < nb_control)
 460           tf = ltt_trace_control_tracefile_get(t, j);
 461         else
 462           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 463         tracefile = lttv_tracefile_selector_new(tf);
 464         lttv_trace_selector_tracefile_add(trace, tracefile);
 465         lttv_eventtype_selector_copy(trace, tracefile);
 466       }
 467     }else g_warning("Module does not support filtering\n");
 468
 469     w = gtk_multi_vpaned_get_next_widget(paned);
 470   }
 471 }
 472
 473
 474 /* add_trace adds a trace into the current traceset. It first displays a
 475  * directory selection dialogue to let user choose a trace, then recreates
 476  * tracset_context, and redraws all the viewer of the current tab
 477  */
 478
 479 void add_trace(GtkWidget * widget, gpointer user_data)
 480 {
 481   LttTrace *trace;
 482   LttvTrace * trace_v;
 483   LttvTraceset * traceset;
 484   const char * dir;
 485   gint id;
 486   MainWindow * mw_data = get_window_data_struct(widget);
 487   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 488   gtk_dir_selection_hide_fileop_buttons(file_selector);
 489   if(remember_trace_dir[0] != '\0')
 490     gtk_dir_selection_set_filename(file_selector, remember_trace_dir);
 491
 492   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 493   switch(id){
 494     case GTK_RESPONSE_ACCEPT:
 495     case GTK_RESPONSE_OK:
 496       dir = gtk_dir_selection_get_dir (file_selector);
 497       strncpy(remember_trace_dir, dir, PATH_LENGTH);
 498       if(!dir || strlen(dir) ==0){
 499         gtk_widget_destroy((GtkWidget*)file_selector);
 500         break;
 501       }
 502       trace = ltt_trace_open(dir);
 503       if(trace == NULL) g_critical("cannot open trace %s", dir);
 504       trace_v = lttv_trace_new(trace);
 505       traceset = mw_data->current_tab->traceset_info->traceset;
 506       if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 507         lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 508                                                 traceset_info->traceset_context));
 509         g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 510       }
 511       lttv_traceset_add(traceset, trace_v);
 512       mw_data->current_tab->traceset_info->traceset_context =
 513         g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 514       lttv_context_init(
 515         LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 516                               traceset_context),traceset);
 517       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 518
 519       gtk_widget_destroy((GtkWidget*)file_selector);
 520
 521       //update current tab
 522       update_traceset(mw_data);
 523
 524       get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 525       if(lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1 ||
 526          ltt_time_compare(mw_data->current_tab->current_time,
 527              LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime)<0){
 528         mw_data->current_tab->current_time =
 529            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime;
 530         mw_data->current_tab->time_window.start_time = mw_data->current_tab->current_time;
 531         mw_data->current_tab->time_window.time_width.tv_sec = DEFAULT_TIME_WIDTH_S;
 532         mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 533       }
 534
 535       redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 536       set_current_time(mw_data,&(mw_data->current_tab->current_time));
 537       break;
 538     case GTK_RESPONSE_REJECT:
 539     case GTK_RESPONSE_CANCEL:
 540     default:
 541       gtk_widget_destroy((GtkWidget*)file_selector);
 542       break;
 543   }
 544 }
 545
 546
 547 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 548  * selector (filter), when a trace is remove from traceset, the selector should
 549  * reflect the change. The function is used to update the selector
 550  */
 551
 552 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 553 {
 554   LttvTracesetSelector * s;
 555   LttvTraceSelector * t;
 556   GtkWidget * w;
 557
 558   w = gtk_multi_vpaned_get_first_widget(paned);
 559   while(w){
 560     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 561     if(s){
 562       t = lttv_traceset_selector_trace_get(s,i);
 563       lttv_traceset_selector_trace_remove(s, i);
 564       lttv_trace_selector_destroy(t);
 565     }g_warning("Module dose not support filtering\n");
 566     w = gtk_multi_vpaned_get_next_widget(paned);
 567   }
 568 }
 569
 570
 571 /* remove_trace removes a trace from the current traceset if all viewers in
 572  * the current tab are not interested in the trace. It first displays a
 573  * dialogue, which shows all traces in the current traceset, to let user choose
 574  * a trace, then it checks if all viewers unselect the trace, if it is true,
 575  * it will remove the trace,  recreate the traceset_contex,
 576  * and redraws all the viewer of the current tab. If there is on trace in the
 577  * current traceset, it will delete all viewers of the current tab
 578  */
 579
 580 void remove_trace(GtkWidget * widget, gpointer user_data)
 581 {
 582   LttTrace *trace;
 583   LttvTrace * trace_v;
 584   LttvTraceset * traceset;
 585   gint i, nb_trace;
 586   char ** name, *remove_trace_name;
 587   MainWindow * mw_data = get_window_data_struct(widget);
 588   LttvTracesetSelector * s;
 589   LttvTraceSelector * t;
 590   GtkWidget * w;
 591   gboolean selected;
 592
 593   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 594   name = g_new(char*,nb_trace);
 595   for(i = 0; i < nb_trace; i++){
 596     trace_v = lttv_traceset_get(mw_data->current_tab->
 597                                 traceset_info->traceset, i);
 598     trace = lttv_trace(trace_v);
 599     name[i] = ltt_trace_name(trace);
 600   }
 601
 602   remove_trace_name = get_remove_trace(name, nb_trace);
 603
 604   if(remove_trace_name){
 605     for(i=0; i<nb_trace; i++){
 606       if(strcmp(remove_trace_name,name[i]) == 0){
 607         //unselect the trace from the current viewer
 608         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 609         if(w){
 610           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 611           if(s){
 612             t = lttv_traceset_selector_trace_get(s,i);
 613             lttv_trace_selector_set_selected(t, FALSE);
 614           }
 615
 616           //check if other viewers select the trace
 617           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 618           while(w){
 619             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 620             if(s){
 621               t = lttv_traceset_selector_trace_get(s,i);
 622               selected = lttv_trace_selector_get_selected(t);
 623               if(selected)break;
 624             }
 625             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 626           }
 627         }else selected = FALSE;
 628
 629         //if no viewer selects the trace, remove it
 630         if(!selected){
 631           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 632
 633           traceset = mw_data->current_tab->traceset_info->traceset;
 634           trace_v = lttv_traceset_get(traceset, i);
 635           if(lttv_trace_get_ref_number(trace_v) <= 1)
 636             ltt_trace_close(lttv_trace(trace_v));
 637
 638           if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 639             lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 640                                                     traceset_info->traceset_context));
 641             g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 642           }
 643           lttv_traceset_remove(traceset, i);
 644           if(!lttv_trace_get_ref_number(trace_v))
 645              lttv_trace_destroy(trace_v);
 646           mw_data->current_tab->traceset_info->traceset_context =
 647             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 648           lttv_context_init(
 649                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 650                                       traceset_info->traceset_context),traceset);
 651           //update current tab
 652           update_traceset(mw_data);
 653           if(nb_trace > 1){
 654             redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 655             set_current_time(mw_data,&(mw_data->current_tab->current_time));
 656           }else{
 657             if(mw_data->current_tab){
 658               while(mw_data->current_tab->multi_vpaned->num_children){
 659                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 660               }
 661             }
 662           }
 663         }
 664         break;
 665       }
 666     }
 667   }
 668
 669   g_free(name);
 670 }
 671
 672
 673 /* save will save the traceset to a file
 674  * Not implemented yet
 675  */
 676
 677 void save(GtkWidget * widget, gpointer user_data)
 678 {
 679   g_printf("Save\n");
 680 }
 681
 682 void save_as(GtkWidget * widget, gpointer user_data)
 683 {
 684   g_printf("Save as\n");
 685 }
 686
 687
 688 /* zoom will change the time_window of all the viewers of the
 689  * current tab, and redisplay them. The main functionality is to
 690  * determine the new time_window of the current tab
 691  */
 692
 693 void zoom(GtkWidget * widget, double size)
 694 {
 695   TimeInterval *time_span;
 696   TimeWindow time_window;
 697   LttTime    current_time, time_delta, time_s, time_e, time_t;
 698   MainWindow * mw_data = get_window_data_struct(widget);
 699
 700   if(size == 1) return;
 701
 702   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 703                                     traceset_info->traceset_context)->Time_Span;
 704   time_window =  mw_data->current_tab->time_window;
 705   current_time = mw_data->current_tab->current_time;
 706
 707   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 708   if(size == 0){
 709     time_window.start_time = time_span->startTime;
 710     time_window.time_width = time_delta;
 711   }else{
 712     time_window.time_width = ltt_time_div(time_window.time_width, size);
 713     if(ltt_time_compare(time_window.time_width,time_delta) > 0)
 714       time_window.time_width = time_delta;
 715
 716     time_t = ltt_time_div(time_window.time_width, 2);
 717     if(ltt_time_compare(current_time, time_t) < 0){
 718       time_s = time_span->startTime;
 719     } else {
 720       time_s = ltt_time_sub(current_time,time_t);
 721     }
 722     time_e = ltt_time_add(current_time,time_t);
 723     if(ltt_time_compare(time_span->startTime, time_s) > 0){
 724       time_s = time_span->startTime;
 725     }else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 726       time_e = time_span->endTime;
 727       time_s = ltt_time_sub(time_e,time_window.time_width);
 728     }
 729     time_window.start_time = time_s;
 730   }
 731   redraw_viewer(mw_data, &time_window);
 732   set_current_time(mw_data,&(mw_data->current_tab->current_time));
 733   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, FALSE);
 734 }
 735
 736 void zoom_in(GtkWidget * widget, gpointer user_data)
 737 {
 738   zoom(widget, 2);
 739 }
 740
 741 void zoom_out(GtkWidget * widget, gpointer user_data)
 742 {
 743   zoom(widget, 0.5);
 744 }
 745
 746 void zoom_extended(GtkWidget * widget, gpointer user_data)
 747 {
 748   zoom(widget, 0);
 749 }
 750
 751 void go_to_time(GtkWidget * widget, gpointer user_data)
 752 {
 753   g_printf("Go to time\n");
 754 }
 755
 756 void show_time_frame(GtkWidget * widget, gpointer user_data)
 757 {
 758   g_printf("Show time frame\n");
 759 }
 760
 761
 762 /* callback function */
 763
 764 void
 765 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 766                                         gpointer         user_data)
 767 {
 768   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 769 }
 770
 771
 772 void
 773 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 774                                         gpointer         user_data)
 775 {
 776   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 777 }
 778
 779
 780 /* create_new_tab calls create_tab to construct a new tab in the main window
 781  */
 782
 783 void create_new_tab(GtkWidget* widget, gpointer user_data){
 784   gchar label[PATH_LENGTH];
 785   MainWindow * mw_data = get_window_data_struct(widget);
 786   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 787   if(notebook == NULL){
 788     g_printf("Notebook does not exist\n");
 789     return;
 790   }
 791
 792   strcpy(label,"Page");
 793   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 794     create_tab (mw_data, mw_data, notebook, label);
 795 }
 796
 797 void
 798 on_tab_activate                        (GtkMenuItem     *menuitem,
 799                                         gpointer         user_data)
 800 {
 801   create_new_tab((GtkWidget*)menuitem, user_data);
 802 }
 803
 804
 805 void
 806 on_open_activate                       (GtkMenuItem     *menuitem,
 807                                         gpointer         user_data)
 808 {
 809   open_traceset((GtkWidget*)menuitem, user_data);
 810 }
 811
 812
 813 void
 814 on_close_activate                      (GtkMenuItem     *menuitem,
 815                                         gpointer         user_data)
 816 {
 817   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 818   main_window_destructor(mw_data);
 819 }
 820
 821
 822 /* remove the current tab from the main window if it is not the default tab
 823  */
 824
 825 void
 826 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 827                                         gpointer         user_data)
 828 {
 829   GList * list;
 830   int count = 0;
 831   GtkWidget * notebook;
 832   Tab * tmp;
 833   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 834   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 835   if(notebook == NULL){
 836     g_printf("Notebook does not exist\n");
 837     return;
 838   }
 839
 840   if(mw_data->tab == mw_data->current_tab){
 841     //    tmp = mw_data->current_tb;
 842     //    mw_data->tab = mw_data->current_tab->next;
 843     g_printf("The default TAB can not be deleted\n");
 844     return;
 845   }else{
 846     tmp = mw_data->tab;
 847     while(tmp != mw_data->current_tab){
 848       tmp = tmp->next;
 849       count++;
 850     }
 851   }
 852
 853   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
 854   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 855   if(g_list_length(list)==1)
 856     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
 857 }
 858
 859
 860 void
 861 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 862                                         gpointer         user_data)
 863 {
 864   add_trace((GtkWidget*)menuitem, user_data);
 865 }
 866
 867
 868 void
 869 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 870                                         gpointer         user_data)
 871 {
 872   remove_trace((GtkWidget*)menuitem, user_data);
 873 }
 874
 875
 876 void
 877 on_save_activate                       (GtkMenuItem     *menuitem,
 878                                         gpointer         user_data)
 879 {
 880   save((GtkWidget*)menuitem, user_data);
 881 }
 882
 883
 884 void
 885 on_save_as_activate                    (GtkMenuItem     *menuitem,
 886                                         gpointer         user_data)
 887 {
 888   save_as((GtkWidget*)menuitem, user_data);
 889 }
 890
 891
 892 void
 893 on_quit_activate                       (GtkMenuItem     *menuitem,
 894                                         gpointer         user_data)
 895 {
 896   gtk_main_quit ();
 897 }
 898
 899
 900 void
 901 on_cut_activate                        (GtkMenuItem     *menuitem,
 902                                         gpointer         user_data)
 903 {
 904   g_printf("Cut\n");
 905 }
 906
 907
 908 void
 909 on_copy_activate                       (GtkMenuItem     *menuitem,
 910                                         gpointer         user_data)
 911 {
 912   g_printf("Copye\n");
 913 }
 914
 915
 916 void
 917 on_paste_activate                      (GtkMenuItem     *menuitem,
 918                                         gpointer         user_data)
 919 {
 920   g_printf("Paste\n");
 921 }
 922
 923
 924 void
 925 on_delete_activate                     (GtkMenuItem     *menuitem,
 926                                         gpointer         user_data)
 927 {
 928   g_printf("Delete\n");
 929 }
 930
 931
 932 void
 933 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 934                                         gpointer         user_data)
 935 {
 936    zoom_in((GtkWidget*)menuitem, user_data);
 937 }
 938
 939
 940 void
 941 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 942                                         gpointer         user_data)
 943 {
 944    zoom_out((GtkWidget*)menuitem, user_data);
 945 }
 946
 947
 948 void
 949 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 950                                         gpointer         user_data)
 951 {
 952    zoom_extended((GtkWidget*)menuitem, user_data);
 953 }
 954
 955
 956 void
 957 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 958                                         gpointer         user_data)
 959 {
 960    go_to_time((GtkWidget*)menuitem, user_data);
 961 }
 962
 963
 964 void
 965 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 966                                         gpointer         user_data)
 967 {
 968    show_time_frame((GtkWidget*)menuitem, user_data);
 969 }
 970
 971
 972 void
 973 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
 974                                         gpointer         user_data)
 975 {
 976   move_up_viewer((GtkWidget*)menuitem, user_data);
 977 }
 978
 979
 980 void
 981 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
 982                                         gpointer         user_data)
 983 {
 984   move_down_viewer((GtkWidget*)menuitem, user_data);
 985 }
 986
 987
 988 void
 989 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
 990                                         gpointer         user_data)
 991 {
 992   delete_viewer((GtkWidget*)menuitem, user_data);
 993 }
 994
 995 void
 996 on_trace_filter_activate              (GtkMenuItem     *menuitem,
 997                                         gpointer         user_data)
 998 {
 999   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1000   LttvTracesetSelector * s;
1001   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
1002
1003   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1004   if(!s){
1005     g_printf("There is no viewer yet\n");
1006     return;
1007   }
1008   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1009     update_traceset(mw_data);
1010     redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
1011     set_current_time(mw_data,&(mw_data->current_tab->current_time));
1012   }
1013 }
1014
1015 void
1016 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1017                                         gpointer         user_data)
1018 {
1019   g_printf("Trace facility selector: %s\n");
1020 }
1021
1022
1023 /* Dispaly a file selection dialogue to let user select a module, then call
1024  * lttv_module_load(), finally insert tool button and menu entry in the main window
1025  * for the loaded  module
1026  */
1027
1028 void
1029 on_load_module_activate                (GtkMenuItem     *menuitem,
1030                                         gpointer         user_data)
1031 {
1032   char ** dir;
1033   gint id;
1034   char str[PATH_LENGTH], *str1;
1035   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1036   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1037   if(remember_plugins_dir[0] != '\0')
1038     gtk_file_selection_set_filename(file_selector, remember_plugins_dir);
1039   gtk_file_selection_hide_fileop_buttons(file_selector);
1040
1041   str[0] = '\0';
1042   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1043   switch(id){
1044     case GTK_RESPONSE_ACCEPT:
1045     case GTK_RESPONSE_OK:
1046       dir = gtk_file_selection_get_selections (file_selector);
1047       strncpy(str,dir[0],PATH_LENGTH);
1048       strncpy(remember_plugins_dir,dir[0],PATH_LENGTH);
1049       str1 = strrchr(str,'/');
1050       if(str1)str1++;
1051       else{
1052         str1 = strrchr(str,'\\');
1053         str1++;
1054       }
1055       lttv_module_require(str1, NULL);
1056       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1057           NULL);
1058       g_strfreev(dir);
1059     case GTK_RESPONSE_REJECT:
1060     case GTK_RESPONSE_CANCEL:
1061     default:
1062       gtk_widget_destroy((GtkWidget*)file_selector);
1063       break;
1064   }
1065   g_printf("Load module: %s\n", str);
1066 }
1067
1068
1069 /* Display all loaded modules, let user to select a module to unload
1070  * by calling lttv_module_unload
1071  */
1072
1073 void
1074 on_unload_module_activate              (GtkMenuItem     *menuitem,
1075                                         gpointer         user_data)
1076 {
1077   int i;
1078   GPtrArray *name;
1079   char *unload_module_name;
1080   guint nb;
1081   LttvLibrary *library;
1082   LttvLibraryInfo library_info;
1083   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1084
1085   name  = g_ptr_array_new();
1086   nb = lttv_library_number();
1087
1088   for(i=0;i<nb;i++){
1089     library = lttv_library_get(i);
1090     lttv_library_info(library, &library_info);
1091     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1092   }
1093
1094   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1095
1096   if(unload_module_name){
1097     for(i=0;i<nb;i++){
1098       library = lttv_library_get(i);
1099       lttv_library_info(library, &library_info);
1100       if(strcmp(unload_module_name, library_info.name) == 0){
1101         lttv_library_unload(library);
1102         break;
1103       }
1104     }
1105   }
1106
1107   g_ptr_array_free(name, TRUE);
1108 }
1109
1110
1111 /* Display a directory dialogue to let user select a path for module searching
1112  */
1113
1114 void
1115 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1116                                         gpointer         user_data)
1117 {
1118   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1119   const char * dir;
1120   gint id;
1121
1122   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1123   if(remember_plugins_dir[0] != '\0')
1124     gtk_dir_selection_set_filename(file_selector, remember_plugins_dir);
1125
1126   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1127   switch(id){
1128     case GTK_RESPONSE_ACCEPT:
1129     case GTK_RESPONSE_OK:
1130       dir = gtk_dir_selection_get_dir (file_selector);
1131       strncpy(remember_plugins_dir,dir,PATH_LENGTH);
1132       strncat(remember_plugins_dir,"/",PATH_LENGTH);
1133       lttv_library_path_add(dir);
1134     case GTK_RESPONSE_REJECT:
1135     case GTK_RESPONSE_CANCEL:
1136     default:
1137       gtk_widget_destroy((GtkWidget*)file_selector);
1138       break;
1139   }
1140 }
1141
1142
1143 void
1144 on_color_activate                      (GtkMenuItem     *menuitem,
1145                                         gpointer         user_data)
1146 {
1147   g_printf("Color\n");
1148 }
1149
1150
1151 void
1152 on_filter_activate                     (GtkMenuItem     *menuitem,
1153                                         gpointer         user_data)
1154 {
1155   g_printf("Filter\n");
1156 }
1157
1158
1159 void
1160 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1161                                         gpointer         user_data)
1162 {
1163   g_printf("Save configuration\n");
1164 }
1165
1166
1167 void
1168 on_content_activate                    (GtkMenuItem     *menuitem,
1169                                         gpointer         user_data)
1170 {
1171   g_printf("Content\n");
1172 }
1173
1174
1175 void
1176 on_about_activate                      (GtkMenuItem     *menuitem,
1177                                         gpointer         user_data)
1178 {
1179   g_printf("About...\n");
1180 }
1181
1182
1183 void
1184 on_button_new_clicked                  (GtkButton       *button,
1185                                         gpointer         user_data)
1186 {
1187   create_new_window((GtkWidget*)button, user_data, TRUE);
1188 }
1189
1190 void
1191 on_button_new_tab_clicked              (GtkButton       *button,
1192                                         gpointer         user_data)
1193 {
1194   create_new_tab((GtkWidget*)button, user_data);
1195 }
1196
1197 void
1198 on_button_open_clicked                 (GtkButton       *button,
1199                                         gpointer         user_data)
1200 {
1201   open_traceset((GtkWidget*)button, user_data);
1202 }
1203
1204
1205 void
1206 on_button_add_trace_clicked            (GtkButton       *button,
1207                                         gpointer         user_data)
1208 {
1209   add_trace((GtkWidget*)button, user_data);
1210 }
1211
1212
1213 void
1214 on_button_remove_trace_clicked         (GtkButton       *button,
1215                                         gpointer         user_data)
1216 {
1217   remove_trace((GtkWidget*)button, user_data);
1218 }
1219
1220
1221 void
1222 on_button_save_clicked                 (GtkButton       *button,
1223                                         gpointer         user_data)
1224 {
1225   save((GtkWidget*)button, user_data);
1226 }
1227
1228
1229 void
1230 on_button_save_as_clicked              (GtkButton       *button,
1231                                         gpointer         user_data)
1232 {
1233   save_as((GtkWidget*)button, user_data);
1234 }
1235
1236
1237 void
1238 on_button_zoom_in_clicked              (GtkButton       *button,
1239                                         gpointer         user_data)
1240 {
1241    zoom_in((GtkWidget*)button, user_data);
1242 }
1243
1244
1245 void
1246 on_button_zoom_out_clicked             (GtkButton       *button,
1247                                         gpointer         user_data)
1248 {
1249    zoom_out((GtkWidget*)button, user_data);
1250 }
1251
1252
1253 void
1254 on_button_zoom_extended_clicked        (GtkButton       *button,
1255                                         gpointer         user_data)
1256 {
1257    zoom_extended((GtkWidget*)button, user_data);
1258 }
1259
1260
1261 void
1262 on_button_go_to_time_clicked           (GtkButton       *button,
1263                                         gpointer         user_data)
1264 {
1265    go_to_time((GtkWidget*)button, user_data);
1266 }
1267
1268
1269 void
1270 on_button_show_time_frame_clicked      (GtkButton       *button,
1271                                         gpointer         user_data)
1272 {
1273    show_time_frame((GtkWidget*)button, user_data);
1274 }
1275
1276
1277 void
1278 on_button_move_up_clicked              (GtkButton       *button,
1279                                         gpointer         user_data)
1280 {
1281   move_up_viewer((GtkWidget*)button, user_data);
1282 }
1283
1284
1285 void
1286 on_button_move_down_clicked            (GtkButton       *button,
1287                                         gpointer         user_data)
1288 {
1289   move_down_viewer((GtkWidget*)button, user_data);
1290 }
1291
1292
1293 void
1294 on_button_delete_viewer_clicked        (GtkButton       *button,
1295                                         gpointer         user_data)
1296 {
1297   delete_viewer((GtkWidget*)button, user_data);
1298 }
1299
1300 void
1301 on_MWindow_destroy                     (GtkObject       *object,
1302                                         gpointer         user_data)
1303 {
1304   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1305   GtkWidget  *widget;
1306   Tab *tab = Main_Window->tab;
1307
1308   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1309
1310   g_win_count--;
1311   if(g_win_count == 0)
1312     gtk_main_quit ();
1313 }
1314
1315 gboolean
1316 on_MWindow_configure                   (GtkWidget         *widget,
1317                                         GdkEventConfigure *event,
1318                                         gpointer           user_data)
1319 {
1320   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1321   float width = event->width;
1322   Tab * tab = mw_data->tab;
1323   TimeWindow time_win;
1324   double ratio;
1325   TimeInterval *time_span;
1326   LttTime time;
1327
1328         // MD : removed time width modification upon resizing of the main window.
1329         // The viewers will redraw themselves completely, without time interval
1330         // modification.
1331 /*  while(tab){
1332     if(mw_data->window_width){
1333       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1334       time_win = tab->time_window;
1335       ratio = width / mw_data->window_width;
1336       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1337       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1338       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1339         tab->time_window.time_width = time;
1340       }
1341     }
1342     tab = tab->next;
1343   }
1344
1345   mw_data->window_width = (int)width;
1346         */
1347   return FALSE;
1348 }
1349
1350
1351 /* Set current tab
1352  */
1353
1354 void
1355 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1356                                         GtkNotebookPage *page,
1357                                         guint            page_num,
1358                                         gpointer         user_data)
1359 {
1360   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1361   Tab * tab = mw->tab;
1362
1363   while(page_num){
1364     tab = tab->next;
1365     page_num--;
1366   }
1367   mw->current_tab = tab;
1368 }
1369
1370
1371 /* callback function to check or uncheck the check box (filter)
1372  */
1373
1374 void checkbox_changed(GtkTreeView *treeview,
1375                       GtkTreePath *arg1,
1376                       GtkTreeViewColumn *arg2,
1377                       gpointer user_data)
1378 {
1379   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1380   GtkTreeIter iter;
1381   gboolean value;
1382
1383   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1384     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1385     value = value? FALSE : TRUE;
1386     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1387   }
1388
1389 }
1390
1391
1392 /* According to user's selection, update selector(filter)
1393  */
1394
1395 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1396 {
1397   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1398   int i, j, k, nb_eventtype;
1399   LttvTraceSelector     * trace;
1400   LttvTracefileSelector * tracefile;
1401   LttvEventtypeSelector * eventtype;
1402   gboolean value, value1, value2;
1403
1404   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1405     i = 0;
1406     do{
1407       trace = lttv_traceset_selector_trace_get(s, i);
1408       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1409       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1410       if(value){
1411         j = 0;
1412         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1413           do{
1414             if(j<1){//eventtype selector for trace
1415               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1416               if(value2){
1417                 k=0;
1418                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1419                   do{
1420                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1421                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1422                     lttv_eventtype_selector_set_selected(eventtype,value2);
1423                     k++;
1424                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1425                 }
1426               }
1427             }else{ //tracefile selector
1428               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1429               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1430               lttv_tracefile_selector_set_selected(tracefile,value1);
1431               if(value1){
1432                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1433                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1434                 if(value2){
1435                   k = 0;
1436                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1437                     do{//eventtype selector for tracefile
1438                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1439                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1440                       lttv_eventtype_selector_set_selected(eventtype,value2);
1441                       k++;
1442                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1443                   }
1444                 }
1445               }
1446             }
1447             j++;
1448           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1449         }
1450       }
1451       lttv_trace_selector_set_selected(trace,value);
1452       i++;
1453     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1454   }
1455 }
1456
1457
1458 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1459  * eventtypes, tracefiles and traces (filter)
1460  */
1461
1462 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1463 {
1464   GtkWidget         * dialogue;
1465   GtkTreeStore      * store;
1466   GtkWidget         * tree;
1467   GtkWidget         * scroll_win;
1468   GtkCellRenderer   * renderer;
1469   GtkTreeViewColumn * column;
1470   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1471   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1472   LttvTraceSelector     * trace;
1473   LttvTracefileSelector * tracefile;
1474   LttvEventtypeSelector * eventtype;
1475   char * name;
1476   gboolean checked;
1477
1478   dialogue = gtk_dialog_new_with_buttons(title,
1479                                          NULL,
1480                                          GTK_DIALOG_MODAL,
1481                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1482                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1483                                          NULL);
1484   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1485
1486   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1487   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1488   g_object_unref (G_OBJECT (store));
1489   g_signal_connect (G_OBJECT (tree), "row-activated",
1490                     G_CALLBACK (checkbox_changed),
1491                     NULL);
1492
1493
1494   renderer = gtk_cell_renderer_toggle_new ();
1495   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1496
1497   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1498
1499   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1500                                                        renderer,
1501                                                        "active", CHECKBOX_COLUMN,
1502                                                        NULL);
1503   gtk_tree_view_column_set_alignment (column, 0.5);
1504   gtk_tree_view_column_set_fixed_width (column, 20);
1505   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1506
1507   renderer = gtk_cell_renderer_text_new ();
1508   column   = gtk_tree_view_column_new_with_attributes (column_title,
1509                                                        renderer,
1510                                                        "text", NAME_COLUMN,
1511                                                        NULL);
1512   gtk_tree_view_column_set_alignment (column, 0.0);
1513   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1514   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1515
1516   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1517   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1518                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1519   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1520
1521   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1522
1523   gtk_widget_show(scroll_win);
1524   gtk_widget_show(tree);
1525
1526   nb_trace = lttv_traceset_selector_trace_number(s);
1527   for(i=0;i<nb_trace;i++){
1528     trace = lttv_traceset_selector_trace_get(s, i);
1529     name  = lttv_trace_selector_get_name(trace);
1530     gtk_tree_store_append (store, &iter, NULL);
1531     checked = lttv_trace_selector_get_selected(trace);
1532     gtk_tree_store_set (store, &iter,
1533                         CHECKBOX_COLUMN,checked,
1534                         NAME_COLUMN,name,
1535                         -1);
1536
1537     gtk_tree_store_append (store, &child_iter, &iter);
1538     gtk_tree_store_set (store, &child_iter,
1539                         CHECKBOX_COLUMN, checked,
1540                         NAME_COLUMN,"eventtype",
1541                         -1);
1542
1543     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1544     for(j=0;j<nb_eventtype;j++){
1545       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1546       name      = lttv_eventtype_selector_get_name(eventtype);
1547       checked   = lttv_eventtype_selector_get_selected(eventtype);
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,name,
1552                           -1);
1553     }
1554
1555     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1556     for(j=0;j<nb_tracefile;j++){
1557       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1558       name      = lttv_tracefile_selector_get_name(tracefile);
1559       gtk_tree_store_append (store, &child_iter, &iter);
1560       checked = lttv_tracefile_selector_get_selected(tracefile);
1561       gtk_tree_store_set (store, &child_iter,
1562                           CHECKBOX_COLUMN, checked,
1563                           NAME_COLUMN,name,
1564                           -1);
1565
1566       gtk_tree_store_append (store, &child_iter1, &child_iter);
1567       gtk_tree_store_set (store, &child_iter1,
1568                           CHECKBOX_COLUMN, checked,
1569                           NAME_COLUMN,"eventtype",
1570                           -1);
1571
1572       for(k=0;k<nb_eventtype;k++){
1573         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1574         name      = lttv_eventtype_selector_get_name(eventtype);
1575         checked   = lttv_eventtype_selector_get_selected(eventtype);
1576         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1577         gtk_tree_store_set (store, &child_iter2,
1578                             CHECKBOX_COLUMN, checked,
1579                             NAME_COLUMN,name,
1580                             -1);
1581       }
1582     }
1583   }
1584
1585   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1586   switch(id){
1587     case GTK_RESPONSE_ACCEPT:
1588     case GTK_RESPONSE_OK:
1589       update_filter(s, store);
1590       gtk_widget_destroy(dialogue);
1591       return TRUE;
1592     case GTK_RESPONSE_REJECT:
1593     case GTK_RESPONSE_CANCEL:
1594     default:
1595       gtk_widget_destroy(dialogue);
1596       break;
1597   }
1598   return FALSE;
1599 }
1600
1601
1602 /* Select a trace which will be removed from traceset
1603  */
1604
1605 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1606 {
1607   return get_selection(all_trace_name, nb_trace,
1608                        "Select a trace", "Trace pathname");
1609 }
1610
1611
1612 /* Select a module which will be unloaded
1613  */
1614
1615 char * get_unload_module(char ** loaded_module_name, int nb_module)
1616 {
1617   return get_selection(loaded_module_name, nb_module,
1618                        "Select an unload module", "Module pathname");
1619 }
1620
1621
1622 /* Display a dialogue which shows all selectable items, let user to
1623  * select one of them
1624  */
1625
1626 char * get_selection(char ** loaded_module_name, int nb_module,
1627                      char *title, char * column_title)
1628 {
1629   GtkWidget         * dialogue;
1630   GtkWidget         * scroll_win;
1631   GtkWidget         * tree;
1632   GtkListStore      * store;
1633   GtkTreeViewColumn * column;
1634   GtkCellRenderer   * renderer;
1635   GtkTreeSelection  * select;
1636   GtkTreeIter         iter;
1637   gint                id, i;
1638   char              * unload_module_name = NULL;
1639
1640   dialogue = gtk_dialog_new_with_buttons(title,
1641                                          NULL,
1642                                          GTK_DIALOG_MODAL,
1643                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1644                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1645                                          NULL);
1646   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1647
1648   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1649   gtk_widget_show ( scroll_win);
1650   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1651                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1652
1653   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1654   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1655   gtk_widget_show ( tree);
1656   g_object_unref (G_OBJECT (store));
1657
1658   renderer = gtk_cell_renderer_text_new ();
1659   column   = gtk_tree_view_column_new_with_attributes (column_title,
1660                                                      renderer,
1661                                                      "text", MODULE_COLUMN,
1662                                                      NULL);
1663   gtk_tree_view_column_set_alignment (column, 0.5);
1664   gtk_tree_view_column_set_fixed_width (column, 150);
1665   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1666
1667   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1668   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1669
1670   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1671
1672   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1673
1674   for(i=0;i<nb_module;i++){
1675     gtk_list_store_append (store, &iter);
1676     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1677   }
1678
1679   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1680   switch(id){
1681     case GTK_RESPONSE_ACCEPT:
1682     case GTK_RESPONSE_OK:
1683       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1684           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1685       }
1686     case GTK_RESPONSE_REJECT:
1687     case GTK_RESPONSE_CANCEL:
1688     default:
1689       gtk_widget_destroy(dialogue);
1690       break;
1691   }
1692
1693   return unload_module_name;
1694 }
1695
1696
1697 /* hash funtions
1698  */
1699
1700 void main_window_destroy_hash_key(gpointer key)
1701 {
1702   g_free(key);
1703 }
1704
1705 void main_window_destroy_hash_data(gpointer data)
1706 {
1707 }
1708
1709
1710 /* Insert menu entry and tool button into all main windows for modules
1711  * It checks whether the menu entry or tool button exists or not,
1712  * if they do not exist, then construct the widget and insert them
1713  * into all main windows
1714  */
1715
1716 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1717 {
1718   int i;
1719   GdkPixbuf *pixbuf;
1720   view_constructor constructor;
1721   LttvMenus * menu;
1722   LttvToolbars * toolbar;
1723   lttv_menu_closure *menu_item;
1724   lttv_toolbar_closure *toolbar_item;
1725   LttvAttributeValue value;
1726   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1727   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1728
1729   g_assert(lttv_iattribute_find_by_path(attributes,
1730            "viewers/menu", LTTV_POINTER, &value));
1731   menu = (LttvMenus*)*(value.v_pointer);
1732
1733   if(menu){
1734     for(i=0;i<menu->len;i++){
1735       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1736       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1737       if(tmp)continue;
1738       constructor = menu_item->con;
1739       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1740       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1741       gtk_widget_show (insert_view);
1742       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1743       g_signal_connect ((gpointer) insert_view, "activate",
1744                         G_CALLBACK (insert_viewer_wrap),
1745                         constructor);
1746       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1747                           insert_view);
1748     }
1749   }
1750
1751   g_assert(lttv_iattribute_find_by_path(attributes,
1752            "viewers/toolbar", LTTV_POINTER, &value));
1753   toolbar = (LttvToolbars*)*(value.v_pointer);
1754
1755   if(toolbar){
1756     for(i=0;i<toolbar->len;i++){
1757       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1758       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1759       if(tmp)continue;
1760       constructor = toolbar_item->con;
1761       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1762       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1763       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1764       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1765                                                 GTK_TOOLBAR_CHILD_BUTTON,
1766                                                 NULL,
1767                                                 "",
1768                                                 toolbar_item->tooltip, NULL,
1769                                                 pixmap, NULL, NULL);
1770       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1771       gtk_widget_show (insert_view);
1772       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1773       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1774       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1775                           insert_view);
1776     }
1777   }
1778 }
1779
1780
1781 /* Create a main window
1782  */
1783
1784 void construct_main_window(MainWindow * parent)
1785 {
1786   g_debug("construct_main_window()");
1787   GtkWidget  * new_window; /* New generated main window */
1788   MainWindow * new_m_window;/* New main window structure */
1789   GtkNotebook * notebook;
1790   LttvIAttribute *attributes =
1791           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1792   LttvAttributeValue value;
1793
1794   new_m_window = g_new(MainWindow, 1);
1795
1796   // Add the object's information to the module's array
1797   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1798
1799
1800   new_window  = create_MWindow();
1801   gtk_widget_show (new_window);
1802
1803   new_m_window->attributes = attributes;
1804
1805   new_m_window->mwindow = new_window;
1806   new_m_window->tab = NULL;
1807   new_m_window->current_tab = NULL;
1808   new_m_window->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1809
1810   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1811                                               main_window_destroy_hash_key,
1812                                               main_window_destroy_hash_data);
1813   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1814                                               main_window_destroy_hash_key,
1815                                               main_window_destroy_hash_data);
1816
1817   insert_menu_toolbar_item(new_m_window, NULL);
1818
1819   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1820
1821   //create a default tab
1822   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1823   if(notebook == NULL){
1824     g_printf("Notebook does not exist\n");
1825     return;
1826   }
1827   //for now there is no name field in LttvTraceset structure
1828   //Use "Traceset" as the label for the default tab
1829   create_tab(parent, new_m_window, notebook,"Traceset");
1830
1831   g_object_set_data_full(
1832                         G_OBJECT(new_m_window->mwindow),
1833                         "Main_Window_Data",
1834                         new_m_window,
1835                         (GDestroyNotify)main_window_free);
1836
1837   g_win_count++;
1838 }
1839
1840
1841 /* Free the memory occupied by a tab structure
1842  * destroy the tab
1843  */
1844
1845 void tab_destructor(Tab * tab_instance)
1846 {
1847   int i, nb, ref_count;
1848   LttvTrace * trace;
1849
1850   if(tab_instance->attributes)
1851     g_object_unref(tab_instance->attributes);
1852
1853   if(tab_instance->mw->tab == tab_instance){
1854     tab_instance->mw->tab = tab_instance->next;
1855   }else{
1856     Tab * tmp1, *tmp = tab_instance->mw->tab;
1857     while(tmp != tab_instance){
1858       tmp1 = tmp;
1859       tmp = tmp->next;
1860     }
1861     tmp1->next = tab_instance->next;
1862   }
1863
1864   if(tab_instance->traceset_info->traceset_context != NULL){
1865     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
1866                                             traceset_context));
1867     g_object_unref(tab_instance->traceset_info->traceset_context);
1868   }
1869   if(tab_instance->traceset_info->traceset != NULL) {
1870     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
1871     for(i = 0 ; i < nb ; i++) {
1872       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
1873       ref_count = lttv_trace_get_ref_number(trace);
1874       if(ref_count <= 1){
1875         ltt_trace_close(lttv_trace(trace));
1876         lttv_trace_destroy(trace);
1877       }
1878       //      lttv_trace_destroy(trace);
1879     }
1880   }
1881   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
1882   g_free(tab_instance->traceset_info);
1883   g_free(tab_instance);
1884 }
1885
1886
1887 /* Create a tab and insert it into the current main window
1888  */
1889
1890 void * create_tab(MainWindow * parent, MainWindow* current_window,
1891                   GtkNotebook * notebook, char * label)
1892 {
1893   GList * list;
1894   Tab * tmp_tab;
1895   MainWindow * mw_data = current_window;
1896   LttTime tmp_time;
1897
1898   //create a new tab data structure
1899   tmp_tab = mw_data->tab;
1900   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
1901   if(!tmp_tab){
1902     mw_data->current_tab = NULL;
1903     tmp_tab = g_new(Tab,1);
1904     mw_data->tab = tmp_tab;
1905   }else{
1906     tmp_tab->next = g_new(Tab,1);
1907     tmp_tab = tmp_tab->next;
1908   }
1909
1910   //construct and initialize the traceset_info
1911   tmp_tab->traceset_info = g_new(TracesetInfo,1);
1912   if(parent){
1913     tmp_tab->traceset_info->traceset =
1914       lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
1915   }else{
1916     if(mw_data->current_tab){
1917       tmp_tab->traceset_info->traceset =
1918         lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
1919     }else{
1920       tmp_tab->traceset_info->traceset = lttv_traceset_new();
1921       /* Add the command line trace */
1922       if(g_init_trace != NULL)
1923         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
1924     }
1925   }
1926   //FIXME copy not implemented in lower level
1927   tmp_tab->traceset_info->traceset_context =
1928     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1929   lttv_context_init(
1930             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
1931                                   tmp_tab->traceset_info->traceset);
1932
1933   //determine the current_time and time_window of the tab
1934   if(mw_data->current_tab){
1935     // Will have to read directly at the main window level, as we want
1936     // to be able to modify a traceset on the fly.
1937     tmp_tab->time_window      = mw_data->current_tab->time_window;
1938     tmp_tab->current_time     = mw_data->current_tab->current_time;
1939   }else{
1940     // Will have to read directly at the main window level, as we want
1941     // to be able to modify a traceset on the fly.
1942     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
1943     tmp_tab->time_window.start_time   =
1944             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
1945     if(DEFAULT_TIME_WIDTH_S <
1946               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
1947       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
1948     else
1949       tmp_time.tv_sec =
1950               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
1951     tmp_time.tv_nsec = 0;
1952     tmp_tab->time_window.time_width = tmp_time ;
1953     tmp_tab->current_time.tv_sec =
1954        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
1955     tmp_tab->current_time.tv_nsec =
1956        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
1957   }
1958   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1959   //  mw_data->current_tab = tmp_tab;
1960   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
1961   tmp_tab->multi_vpaned->mw = mw_data;
1962   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
1963   tmp_tab->next = NULL;
1964   tmp_tab->mw   = mw_data;
1965
1966   tmp_tab->label = gtk_label_new (label);
1967   gtk_widget_show (tmp_tab->label);
1968
1969   g_object_set_data_full(
1970            G_OBJECT(tmp_tab->multi_vpaned),
1971            "Tab_Info",
1972            tmp_tab,
1973            (GDestroyNotify)tab_destructor);
1974
1975   //add state update hooks
1976   lttv_state_add_event_hooks(
1977        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
1978
1979   //insert tab into notebook
1980   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
1981   list = gtk_container_get_children(GTK_CONTAINER(notebook));
1982   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
1983   if(g_list_length(list)>1)
1984     gtk_notebook_set_show_tabs(notebook, TRUE);
1985 }
1986
1987
1988 /* Remove menu entry and tool button from main window for the
1989  * unloaded  module
1990  */
1991
1992 void remove_menu_item(gpointer main_win, gpointer user_data)
1993 {
1994   MainWindow * mw = (MainWindow *) main_win;
1995   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
1996   GtkWidget * tool_menu_title_menu, *insert_view;
1997
1998   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1999   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
2000                                                 menu_item->menuText);
2001   if(insert_view){
2002     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
2003     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2004   }
2005 }
2006
2007 void remove_toolbar_item(gpointer main_win, gpointer user_data)
2008 {
2009   MainWindow * mw = (MainWindow *) main_win;
2010   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
2011   GtkWidget * tool_menu_title_menu, *insert_view;
2012
2013
2014   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2015   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2016                                                 toolbar_item->tooltip);
2017   if(insert_view){
2018     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2019     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2020   }
2021 }
2022
2023 /**
2024  * Remove menu and toolbar item when a module unloaded from all
2025  * main windows
2026  */
2027
2028 void main_window_remove_menu_item(lttv_constructor constructor)
2029 {
2030   int i;
2031   LttvMenus * menu;
2032   lttv_menu_closure *menu_item;
2033   LttvAttributeValue value;
2034   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2035
2036   g_assert(lttv_iattribute_find_by_path(attributes,
2037            "viewers/menu", LTTV_POINTER, &value));
2038   menu = (LttvMenus*)*(value.v_pointer);
2039
2040   if(menu){
2041     for(i=0;i<menu->len;i++){
2042       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2043       if(menu_item->con != constructor) continue;
2044       if(g_main_window_list){
2045         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2046       }
2047       break;
2048     }
2049   }
2050
2051 }
2052
2053 void main_window_remove_toolbar_item(lttv_constructor constructor)
2054 {
2055   int i;
2056   LttvToolbars * toolbar;
2057   lttv_toolbar_closure *toolbar_item;
2058   LttvAttributeValue value;
2059   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2060
2061   g_assert(lttv_iattribute_find_by_path(attributes,
2062            "viewers/toolbar", LTTV_POINTER, &value));
2063   toolbar = (LttvToolbars*)*(value.v_pointer);
2064
2065   if(toolbar){
2066     for(i=0;i<toolbar->len;i++){
2067       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2068       if(toolbar_item->con != constructor) continue;
2069       if(g_main_window_list){
2070         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2071       }
2072       break;
2073     }
2074   }
2075 }