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

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <gtk/gtk.h>
  24
  25 #include "callbacks.h"
  26 #include "interface.h"
  27 #include "support.h"
  28 #include <lttv/lttv.h>
  29 #include <lttvwindow/mainwindow.h>
  30 #include <lttvwindow/menu.h>
  31 #include <lttvwindow/toolbar.h>
  32 #include <lttvwindow/viewer.h>
  33 #include <lttv/module.h>
  34 #include <lttvwindow/gtkdirsel.h>
  35 #include <lttv/iattribute.h>
  36 #include <lttvwindow/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, lttvwindow_viewer_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, (lttvwindow_viewer_constructor)user_data);
 157   //  selected_hook(&val);
 158 }
 159
 160
 161 /* internal functions */
 162 void insert_viewer(GtkWidget* widget, lttvwindow_viewer_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     lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 193     if(time_interval){
 194       lttvwindow_report_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, 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   LttvTracesetContext *tsc =
 392    LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 393                             traceset_context);
 394
 395   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 396   new = gdk_cursor_new(GDK_X_CURSOR);
 397   widget = lookup_widget(mw_data->mwindow, "MToolbar1");
 398   win = gtk_widget_get_parent_window(widget);
 399   gdk_window_set_cursor(win, new);
 400   gdk_cursor_unref(new);
 401   gdk_window_stick(win);
 402   gdk_window_unstick(win);
 403
 404   //update time window of each viewer, let viewer insert hooks needed by process_traceset
 405   lttvwindow_report_time_window(mw_data, time_window);
 406
 407   max_nb_events = get_max_event_number(mw_data);
 408
 409   lttv_process_traceset_seek_time(tsc, time_window->start_time);
 410   lttv_process_traceset(tsc,
 411                        ltt_time_add(time_window->start_time,time_window->time_width),
 412                        max_nb_events);
 413
 414   //call hooks to show each viewer and let them remove hooks
 415   show_viewer(mw_data);
 416
 417   //set the cursor back to normal
 418   gdk_window_set_cursor(win, NULL);
 419 }
 420
 421
 422 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 423  * selector (filter), when a trace is added into traceset, the selector should
 424  * reflect the change. The function is used to update the selector
 425  */
 426
 427 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 428 {
 429   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 430   LttvTracesetSelector  * s;
 431   LttvTraceSelector     * trace;
 432   LttvTracefileSelector * tracefile;
 433   LttvEventtypeSelector * eventtype;
 434   LttTracefile          * tf;
 435   GtkWidget             * w;
 436   LttFacility           * fac;
 437   LttEventType          * et;
 438
 439   w = gtk_multi_vpaned_get_first_widget(paned);
 440   while(w){
 441     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 442
 443     if(s){
 444       trace   = lttv_trace_selector_new(t);
 445       lttv_traceset_selector_trace_add(s, trace);
 446
 447       nb_facility = ltt_trace_facility_number(t);
 448       for(k=0;k<nb_facility;k++){
 449         fac = ltt_trace_facility_get(t,k);
 450         nb_event = (int) ltt_facility_eventtype_number(fac);
 451         for(m=0;m<nb_event;m++){
 452           et = ltt_facility_eventtype_get(fac,m);
 453           eventtype = lttv_eventtype_selector_new(et);
 454           lttv_trace_selector_eventtype_add(trace, eventtype);
 455         }
 456       }
 457
 458       nb_control = ltt_trace_control_tracefile_number(t);
 459       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 460       nb_tracefile = nb_control + nb_per_cpu;
 461
 462       for(j = 0 ; j < nb_tracefile ; j++) {
 463         if(j < nb_control)
 464           tf = ltt_trace_control_tracefile_get(t, j);
 465         else
 466           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 467         tracefile = lttv_tracefile_selector_new(tf);
 468         lttv_trace_selector_tracefile_add(trace, tracefile);
 469         lttv_eventtype_selector_copy(trace, tracefile);
 470       }
 471     }else g_warning("Module does not support filtering\n");
 472
 473     w = gtk_multi_vpaned_get_next_widget(paned);
 474   }
 475 }
 476
 477
 478 /* add_trace adds a trace into the current traceset. It first displays a
 479  * directory selection dialogue to let user choose a trace, then recreates
 480  * tracset_context, and redraws all the viewer of the current tab
 481  */
 482
 483 void add_trace(GtkWidget * widget, gpointer user_data)
 484 {
 485   LttTrace *trace;
 486   LttvTrace * trace_v;
 487   LttvTraceset * traceset;
 488   const char * dir;
 489   gint id;
 490   MainWindow * mw_data = get_window_data_struct(widget);
 491   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 492   gtk_dir_selection_hide_fileop_buttons(file_selector);
 493   if(remember_trace_dir[0] != '\0')
 494     gtk_dir_selection_set_filename(file_selector, remember_trace_dir);
 495
 496   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 497   switch(id){
 498     case GTK_RESPONSE_ACCEPT:
 499     case GTK_RESPONSE_OK:
 500       dir = gtk_dir_selection_get_dir (file_selector);
 501       strncpy(remember_trace_dir, dir, PATH_LENGTH);
 502       if(!dir || strlen(dir) ==0){
 503         gtk_widget_destroy((GtkWidget*)file_selector);
 504         break;
 505       }
 506       trace = ltt_trace_open(dir);
 507       if(trace == NULL) g_critical("cannot open trace %s", dir);
 508       trace_v = lttv_trace_new(trace);
 509       traceset = mw_data->current_tab->traceset_info->traceset;
 510       if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 511       //remove state update hooks
 512       lttv_state_remove_event_hooks(
 513            (LttvTracesetState*)mw_data->current_tab->traceset_info->
 514                                 traceset_context);
 515         lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 516                                                 traceset_info->traceset_context));
 517         g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 518       }
 519       lttv_traceset_add(traceset, trace_v);
 520       mw_data->current_tab->traceset_info->traceset_context =
 521         g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 522       lttv_context_init(
 523         LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 524                               traceset_context),traceset);
 525       //add state update hooks
 526       lttv_state_add_event_hooks(
 527       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 528
 529
 530       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 531
 532       gtk_widget_destroy((GtkWidget*)file_selector);
 533
 534       //update current tab
 535       update_traceset(mw_data);
 536
 537       //get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 538       if(lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1 ||
 539          ltt_time_compare(mw_data->current_tab->current_time,
 540              LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime)<0){
 541         mw_data->current_tab->current_time =
 542            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime;
 543         mw_data->current_tab->time_window.start_time = mw_data->current_tab->current_time;
 544         mw_data->current_tab->time_window.time_width.tv_sec = DEFAULT_TIME_WIDTH_S;
 545         mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 546       }
 547
 548       redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 549       lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 550       break;
 551     case GTK_RESPONSE_REJECT:
 552     case GTK_RESPONSE_CANCEL:
 553     default:
 554       gtk_widget_destroy((GtkWidget*)file_selector);
 555       break;
 556   }
 557 }
 558
 559
 560 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 561  * selector (filter), when a trace is remove from traceset, the selector should
 562  * reflect the change. The function is used to update the selector
 563  */
 564
 565 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 566 {
 567   LttvTracesetSelector * s;
 568   LttvTraceSelector * t;
 569   GtkWidget * w;
 570
 571   w = gtk_multi_vpaned_get_first_widget(paned);
 572   while(w){
 573     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 574     if(s){
 575       t = lttv_traceset_selector_trace_get(s,i);
 576       lttv_traceset_selector_trace_remove(s, i);
 577       lttv_trace_selector_destroy(t);
 578     }g_warning("Module dose not support filtering\n");
 579     w = gtk_multi_vpaned_get_next_widget(paned);
 580   }
 581 }
 582
 583
 584 /* remove_trace removes a trace from the current traceset if all viewers in
 585  * the current tab are not interested in the trace. It first displays a
 586  * dialogue, which shows all traces in the current traceset, to let user choose
 587  * a trace, then it checks if all viewers unselect the trace, if it is true,
 588  * it will remove the trace,  recreate the traceset_contex,
 589  * and redraws all the viewer of the current tab. If there is on trace in the
 590  * current traceset, it will delete all viewers of the current tab
 591  */
 592
 593 void remove_trace(GtkWidget * widget, gpointer user_data)
 594 {
 595   LttTrace *trace;
 596   LttvTrace * trace_v;
 597   LttvTraceset * traceset;
 598   gint i, nb_trace;
 599   char ** name, *remove_trace_name;
 600   MainWindow * mw_data = get_window_data_struct(widget);
 601   LttvTracesetSelector * s;
 602   LttvTraceSelector * t;
 603   GtkWidget * w;
 604   gboolean selected;
 605
 606   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 607   name = g_new(char*,nb_trace);
 608   for(i = 0; i < nb_trace; i++){
 609     trace_v = lttv_traceset_get(mw_data->current_tab->
 610                                 traceset_info->traceset, i);
 611     trace = lttv_trace(trace_v);
 612     name[i] = ltt_trace_name(trace);
 613   }
 614
 615   remove_trace_name = get_remove_trace(name, nb_trace);
 616
 617   if(remove_trace_name){
 618     for(i=0; i<nb_trace; i++){
 619       if(strcmp(remove_trace_name,name[i]) == 0){
 620         //unselect the trace from the current viewer
 621         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 622         if(w){
 623           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 624           if(s){
 625             t = lttv_traceset_selector_trace_get(s,i);
 626             lttv_trace_selector_set_selected(t, FALSE);
 627           }
 628
 629           //check if other viewers select the trace
 630           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 631           while(w){
 632             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 633             if(s){
 634               t = lttv_traceset_selector_trace_get(s,i);
 635               selected = lttv_trace_selector_get_selected(t);
 636               if(selected)break;
 637             }
 638             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 639           }
 640         }else selected = FALSE;
 641
 642         //if no viewer selects the trace, remove it
 643         if(!selected){
 644           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 645
 646           traceset = mw_data->current_tab->traceset_info->traceset;
 647           trace_v = lttv_traceset_get(traceset, i);
 648           if(lttv_trace_get_ref_number(trace_v) <= 1)
 649             ltt_trace_close(lttv_trace(trace_v));
 650
 651           if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 652       //remove state update hooks
 653       lttv_state_remove_event_hooks(
 654            (LttvTracesetState*)mw_data->current_tab->traceset_info->
 655                                 traceset_context);
 656             lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 657                                                     traceset_info->traceset_context));
 658             g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 659           }
 660           lttv_traceset_remove(traceset, i);
 661           if(!lttv_trace_get_ref_number(trace_v))
 662              lttv_trace_destroy(trace_v);
 663           mw_data->current_tab->traceset_info->traceset_context =
 664             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 665             lttv_context_init(
 666                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 667                                       traceset_info->traceset_context),traceset);
 668       //add state update hooks
 669       lttv_state_add_event_hooks(
 670       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 671           //update current tab
 672           update_traceset(mw_data);
 673           if(nb_trace > 1){
 674             redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 675             lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 676           }else{
 677             if(mw_data->current_tab){
 678               while(mw_data->current_tab->multi_vpaned->num_children){
 679                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 680               }
 681             }
 682           }
 683         }
 684         break;
 685       }
 686     }
 687   }
 688
 689   g_free(name);
 690 }
 691
 692
 693 /* save will save the traceset to a file
 694  * Not implemented yet
 695  */
 696
 697 void save(GtkWidget * widget, gpointer user_data)
 698 {
 699   g_printf("Save\n");
 700 }
 701
 702 void save_as(GtkWidget * widget, gpointer user_data)
 703 {
 704   g_printf("Save as\n");
 705 }
 706
 707
 708 /* zoom will change the time_window of all the viewers of the
 709  * current tab, and redisplay them. The main functionality is to
 710  * determine the new time_window of the current tab
 711  */
 712
 713 void zoom(GtkWidget * widget, double size)
 714 {
 715   TimeInterval *time_span;
 716   TimeWindow time_window;
 717   LttTime    current_time, time_delta, time_s, time_e, time_t;
 718   MainWindow * mw_data = get_window_data_struct(widget);
 719
 720   if(size == 1) return;
 721
 722   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 723                                     traceset_info->traceset_context)->Time_Span;
 724   time_window =  mw_data->current_tab->time_window;
 725   current_time = mw_data->current_tab->current_time;
 726
 727   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 728   if(size == 0){
 729     time_window.start_time = time_span->startTime;
 730     time_window.time_width = time_delta;
 731   }else{
 732     time_window.time_width = ltt_time_div(time_window.time_width, size);
 733     if(ltt_time_compare(time_window.time_width,time_delta) > 0)
 734       time_window.time_width = time_delta;
 735
 736     time_t = ltt_time_div(time_window.time_width, 2);
 737     if(ltt_time_compare(current_time, time_t) < 0){
 738       time_s = time_span->startTime;
 739     } else {
 740       time_s = ltt_time_sub(current_time,time_t);
 741     }
 742     time_e = ltt_time_add(current_time,time_t);
 743     if(ltt_time_compare(time_span->startTime, time_s) > 0){
 744       time_s = time_span->startTime;
 745     }else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 746       time_e = time_span->endTime;
 747       time_s = ltt_time_sub(time_e,time_window.time_width);
 748     }
 749     time_window.start_time = time_s;
 750   }
 751   redraw_viewer(mw_data, &time_window);
 752   lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 753   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, FALSE);
 754 }
 755
 756 void zoom_in(GtkWidget * widget, gpointer user_data)
 757 {
 758   zoom(widget, 2);
 759 }
 760
 761 void zoom_out(GtkWidget * widget, gpointer user_data)
 762 {
 763   zoom(widget, 0.5);
 764 }
 765
 766 void zoom_extended(GtkWidget * widget, gpointer user_data)
 767 {
 768   zoom(widget, 0);
 769 }
 770
 771 void go_to_time(GtkWidget * widget, gpointer user_data)
 772 {
 773   g_printf("Go to time\n");
 774 }
 775
 776 void show_time_frame(GtkWidget * widget, gpointer user_data)
 777 {
 778   g_printf("Show time frame\n");
 779 }
 780
 781
 782 /* callback function */
 783
 784 void
 785 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 786                                         gpointer         user_data)
 787 {
 788   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 789 }
 790
 791
 792 void
 793 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 794                                         gpointer         user_data)
 795 {
 796   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 797 }
 798
 799
 800 /* create_new_tab calls create_tab to construct a new tab in the main window
 801  */
 802
 803 void create_new_tab(GtkWidget* widget, gpointer user_data){
 804   gchar label[PATH_LENGTH];
 805   MainWindow * mw_data = get_window_data_struct(widget);
 806   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 807   if(notebook == NULL){
 808     g_printf("Notebook does not exist\n");
 809     return;
 810   }
 811
 812   strcpy(label,"Page");
 813   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 814     create_tab (mw_data, mw_data, notebook, label);
 815 }
 816
 817 void
 818 on_tab_activate                        (GtkMenuItem     *menuitem,
 819                                         gpointer         user_data)
 820 {
 821   create_new_tab((GtkWidget*)menuitem, user_data);
 822 }
 823
 824
 825 void
 826 on_open_activate                       (GtkMenuItem     *menuitem,
 827                                         gpointer         user_data)
 828 {
 829   open_traceset((GtkWidget*)menuitem, user_data);
 830 }
 831
 832
 833 void
 834 on_close_activate                      (GtkMenuItem     *menuitem,
 835                                         gpointer         user_data)
 836 {
 837   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 838   main_window_destructor(mw_data);
 839 }
 840
 841
 842 /* remove the current tab from the main window if it is not the default tab
 843  */
 844
 845 void
 846 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 847                                         gpointer         user_data)
 848 {
 849   GList * list;
 850   int count = 0;
 851   GtkWidget * notebook;
 852   Tab * tmp;
 853   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 854   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 855   if(notebook == NULL){
 856     g_printf("Notebook does not exist\n");
 857     return;
 858   }
 859
 860   if(mw_data->tab == mw_data->current_tab){
 861     //    tmp = mw_data->current_tb;
 862     //    mw_data->tab = mw_data->current_tab->next;
 863     g_printf("The default TAB can not be deleted\n");
 864     return;
 865   }else{
 866     tmp = mw_data->tab;
 867     while(tmp != mw_data->current_tab){
 868       tmp = tmp->next;
 869       count++;
 870     }
 871   }
 872
 873   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
 874   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 875   if(g_list_length(list)==1)
 876     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
 877 }
 878
 879
 880 void
 881 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 882                                         gpointer         user_data)
 883 {
 884   add_trace((GtkWidget*)menuitem, user_data);
 885 }
 886
 887
 888 void
 889 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 890                                         gpointer         user_data)
 891 {
 892   remove_trace((GtkWidget*)menuitem, user_data);
 893 }
 894
 895
 896 void
 897 on_save_activate                       (GtkMenuItem     *menuitem,
 898                                         gpointer         user_data)
 899 {
 900   save((GtkWidget*)menuitem, user_data);
 901 }
 902
 903
 904 void
 905 on_save_as_activate                    (GtkMenuItem     *menuitem,
 906                                         gpointer         user_data)
 907 {
 908   save_as((GtkWidget*)menuitem, user_data);
 909 }
 910
 911
 912 void
 913 on_quit_activate                       (GtkMenuItem     *menuitem,
 914                                         gpointer         user_data)
 915 {
 916   gtk_main_quit ();
 917 }
 918
 919
 920 void
 921 on_cut_activate                        (GtkMenuItem     *menuitem,
 922                                         gpointer         user_data)
 923 {
 924   g_printf("Cut\n");
 925 }
 926
 927
 928 void
 929 on_copy_activate                       (GtkMenuItem     *menuitem,
 930                                         gpointer         user_data)
 931 {
 932   g_printf("Copye\n");
 933 }
 934
 935
 936 void
 937 on_paste_activate                      (GtkMenuItem     *menuitem,
 938                                         gpointer         user_data)
 939 {
 940   g_printf("Paste\n");
 941 }
 942
 943
 944 void
 945 on_delete_activate                     (GtkMenuItem     *menuitem,
 946                                         gpointer         user_data)
 947 {
 948   g_printf("Delete\n");
 949 }
 950
 951
 952 void
 953 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 954                                         gpointer         user_data)
 955 {
 956    zoom_in((GtkWidget*)menuitem, user_data);
 957 }
 958
 959
 960 void
 961 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 962                                         gpointer         user_data)
 963 {
 964    zoom_out((GtkWidget*)menuitem, user_data);
 965 }
 966
 967
 968 void
 969 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 970                                         gpointer         user_data)
 971 {
 972    zoom_extended((GtkWidget*)menuitem, user_data);
 973 }
 974
 975
 976 void
 977 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 978                                         gpointer         user_data)
 979 {
 980    go_to_time((GtkWidget*)menuitem, user_data);
 981 }
 982
 983
 984 void
 985 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 986                                         gpointer         user_data)
 987 {
 988    show_time_frame((GtkWidget*)menuitem, user_data);
 989 }
 990
 991
 992 void
 993 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
 994                                         gpointer         user_data)
 995 {
 996   move_up_viewer((GtkWidget*)menuitem, user_data);
 997 }
 998
 999
1000 void
1001 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
1002                                         gpointer         user_data)
1003 {
1004   move_down_viewer((GtkWidget*)menuitem, user_data);
1005 }
1006
1007
1008 void
1009 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
1010                                         gpointer         user_data)
1011 {
1012   delete_viewer((GtkWidget*)menuitem, user_data);
1013 }
1014
1015 void
1016 on_trace_filter_activate              (GtkMenuItem     *menuitem,
1017                                         gpointer         user_data)
1018 {
1019   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1020   LttvTracesetSelector * s;
1021   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
1022
1023   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1024   if(!s){
1025     g_printf("There is no viewer yet\n");
1026     return;
1027   }
1028   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1029     update_traceset(mw_data);
1030     redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
1031     lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
1032   }
1033 }
1034
1035 void
1036 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1037                                         gpointer         user_data)
1038 {
1039   g_printf("Trace facility selector: %s\n");
1040 }
1041
1042
1043 /* Dispaly a file selection dialogue to let user select a module, then call
1044  * lttv_module_load(), finally insert tool button and menu entry in the main window
1045  * for the loaded  module
1046  */
1047
1048 void
1049 on_load_module_activate                (GtkMenuItem     *menuitem,
1050                                         gpointer         user_data)
1051 {
1052   char ** dir;
1053   gint id;
1054   char str[PATH_LENGTH], *str1;
1055   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1056   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1057   if(remember_plugins_dir[0] != '\0')
1058     gtk_file_selection_set_filename(file_selector, remember_plugins_dir);
1059   gtk_file_selection_hide_fileop_buttons(file_selector);
1060
1061   str[0] = '\0';
1062   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1063   switch(id){
1064     case GTK_RESPONSE_ACCEPT:
1065     case GTK_RESPONSE_OK:
1066       dir = gtk_file_selection_get_selections (file_selector);
1067       strncpy(str,dir[0],PATH_LENGTH);
1068       strncpy(remember_plugins_dir,dir[0],PATH_LENGTH);
1069       str1 = strrchr(str,'/');
1070       if(str1)str1++;
1071       else{
1072         str1 = strrchr(str,'\\');
1073         str1++;
1074       }
1075       lttv_module_require(str1, NULL);
1076       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1077           NULL);
1078       g_strfreev(dir);
1079     case GTK_RESPONSE_REJECT:
1080     case GTK_RESPONSE_CANCEL:
1081     default:
1082       gtk_widget_destroy((GtkWidget*)file_selector);
1083       break;
1084   }
1085   g_printf("Load module: %s\n", str);
1086 }
1087
1088
1089 /* Display all loaded modules, let user to select a module to unload
1090  * by calling lttv_module_unload
1091  */
1092
1093 void
1094 on_unload_module_activate              (GtkMenuItem     *menuitem,
1095                                         gpointer         user_data)
1096 {
1097   int i;
1098   GPtrArray *name;
1099   char *unload_module_name;
1100   guint nb;
1101   LttvLibrary *library;
1102   LttvLibraryInfo library_info;
1103   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1104
1105   name  = g_ptr_array_new();
1106   nb = lttv_library_number();
1107
1108   for(i=0;i<nb;i++){
1109     library = lttv_library_get(i);
1110     lttv_library_info(library, &library_info);
1111     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1112   }
1113
1114   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1115
1116   if(unload_module_name){
1117     for(i=0;i<nb;i++){
1118       library = lttv_library_get(i);
1119       lttv_library_info(library, &library_info);
1120       if(strcmp(unload_module_name, library_info.name) == 0){
1121         lttv_library_unload(library);
1122         break;
1123       }
1124     }
1125   }
1126
1127   g_ptr_array_free(name, TRUE);
1128 }
1129
1130
1131 /* Display a directory dialogue to let user select a path for module searching
1132  */
1133
1134 void
1135 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1136                                         gpointer         user_data)
1137 {
1138   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1139   const char * dir;
1140   gint id;
1141
1142   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1143   if(remember_plugins_dir[0] != '\0')
1144     gtk_dir_selection_set_filename(file_selector, remember_plugins_dir);
1145
1146   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1147   switch(id){
1148     case GTK_RESPONSE_ACCEPT:
1149     case GTK_RESPONSE_OK:
1150       dir = gtk_dir_selection_get_dir (file_selector);
1151       strncpy(remember_plugins_dir,dir,PATH_LENGTH);
1152       strncat(remember_plugins_dir,"/",PATH_LENGTH);
1153       lttv_library_path_add(dir);
1154     case GTK_RESPONSE_REJECT:
1155     case GTK_RESPONSE_CANCEL:
1156     default:
1157       gtk_widget_destroy((GtkWidget*)file_selector);
1158       break;
1159   }
1160 }
1161
1162
1163 void
1164 on_color_activate                      (GtkMenuItem     *menuitem,
1165                                         gpointer         user_data)
1166 {
1167   g_printf("Color\n");
1168 }
1169
1170
1171 void
1172 on_filter_activate                     (GtkMenuItem     *menuitem,
1173                                         gpointer         user_data)
1174 {
1175   g_printf("Filter\n");
1176 }
1177
1178
1179 void
1180 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1181                                         gpointer         user_data)
1182 {
1183   g_printf("Save configuration\n");
1184 }
1185
1186
1187 void
1188 on_content_activate                    (GtkMenuItem     *menuitem,
1189                                         gpointer         user_data)
1190 {
1191   g_printf("Content\n");
1192 }
1193
1194
1195 void
1196 on_about_activate                      (GtkMenuItem     *menuitem,
1197                                         gpointer         user_data)
1198 {
1199   g_printf("About...\n");
1200 }
1201
1202
1203 void
1204 on_button_new_clicked                  (GtkButton       *button,
1205                                         gpointer         user_data)
1206 {
1207   create_new_window((GtkWidget*)button, user_data, TRUE);
1208 }
1209
1210 void
1211 on_button_new_tab_clicked              (GtkButton       *button,
1212                                         gpointer         user_data)
1213 {
1214   create_new_tab((GtkWidget*)button, user_data);
1215 }
1216
1217 void
1218 on_button_open_clicked                 (GtkButton       *button,
1219                                         gpointer         user_data)
1220 {
1221   open_traceset((GtkWidget*)button, user_data);
1222 }
1223
1224
1225 void
1226 on_button_add_trace_clicked            (GtkButton       *button,
1227                                         gpointer         user_data)
1228 {
1229   add_trace((GtkWidget*)button, user_data);
1230 }
1231
1232
1233 void
1234 on_button_remove_trace_clicked         (GtkButton       *button,
1235                                         gpointer         user_data)
1236 {
1237   remove_trace((GtkWidget*)button, user_data);
1238 }
1239
1240
1241 void
1242 on_button_save_clicked                 (GtkButton       *button,
1243                                         gpointer         user_data)
1244 {
1245   save((GtkWidget*)button, user_data);
1246 }
1247
1248
1249 void
1250 on_button_save_as_clicked              (GtkButton       *button,
1251                                         gpointer         user_data)
1252 {
1253   save_as((GtkWidget*)button, user_data);
1254 }
1255
1256
1257 void
1258 on_button_zoom_in_clicked              (GtkButton       *button,
1259                                         gpointer         user_data)
1260 {
1261    zoom_in((GtkWidget*)button, user_data);
1262 }
1263
1264
1265 void
1266 on_button_zoom_out_clicked             (GtkButton       *button,
1267                                         gpointer         user_data)
1268 {
1269    zoom_out((GtkWidget*)button, user_data);
1270 }
1271
1272
1273 void
1274 on_button_zoom_extended_clicked        (GtkButton       *button,
1275                                         gpointer         user_data)
1276 {
1277    zoom_extended((GtkWidget*)button, user_data);
1278 }
1279
1280
1281 void
1282 on_button_go_to_time_clicked           (GtkButton       *button,
1283                                         gpointer         user_data)
1284 {
1285    go_to_time((GtkWidget*)button, user_data);
1286 }
1287
1288
1289 void
1290 on_button_show_time_frame_clicked      (GtkButton       *button,
1291                                         gpointer         user_data)
1292 {
1293    show_time_frame((GtkWidget*)button, user_data);
1294 }
1295
1296
1297 void
1298 on_button_move_up_clicked              (GtkButton       *button,
1299                                         gpointer         user_data)
1300 {
1301   move_up_viewer((GtkWidget*)button, user_data);
1302 }
1303
1304
1305 void
1306 on_button_move_down_clicked            (GtkButton       *button,
1307                                         gpointer         user_data)
1308 {
1309   move_down_viewer((GtkWidget*)button, user_data);
1310 }
1311
1312
1313 void
1314 on_button_delete_viewer_clicked        (GtkButton       *button,
1315                                         gpointer         user_data)
1316 {
1317   delete_viewer((GtkWidget*)button, user_data);
1318 }
1319
1320 void
1321 on_MWindow_destroy                     (GtkObject       *object,
1322                                         gpointer         user_data)
1323 {
1324   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1325   GtkWidget  *widget;
1326   Tab *tab = Main_Window->tab;
1327
1328   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1329
1330   g_win_count--;
1331   if(g_win_count == 0)
1332     gtk_main_quit ();
1333 }
1334
1335 gboolean
1336 on_MWindow_configure                   (GtkWidget         *widget,
1337                                         GdkEventConfigure *event,
1338                                         gpointer           user_data)
1339 {
1340   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1341   float width = event->width;
1342   Tab * tab = mw_data->tab;
1343   TimeWindow time_win;
1344   double ratio;
1345   TimeInterval *time_span;
1346   LttTime time;
1347
1348         // MD : removed time width modification upon resizing of the main window.
1349         // The viewers will redraw themselves completely, without time interval
1350         // modification.
1351 /*  while(tab){
1352     if(mw_data->window_width){
1353       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1354       time_win = tab->time_window;
1355       ratio = width / mw_data->window_width;
1356       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1357       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1358       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1359         tab->time_window.time_width = time;
1360       }
1361     }
1362     tab = tab->next;
1363   }
1364
1365   mw_data->window_width = (int)width;
1366         */
1367   return FALSE;
1368 }
1369
1370
1371 /* Set current tab
1372  */
1373
1374 void
1375 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1376                                         GtkNotebookPage *page,
1377                                         guint            page_num,
1378                                         gpointer         user_data)
1379 {
1380   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1381   Tab * tab = mw->tab;
1382
1383   while(page_num){
1384     tab = tab->next;
1385     page_num--;
1386   }
1387   mw->current_tab = tab;
1388 }
1389
1390
1391 /* callback function to check or uncheck the check box (filter)
1392  */
1393
1394 void checkbox_changed(GtkTreeView *treeview,
1395                       GtkTreePath *arg1,
1396                       GtkTreeViewColumn *arg2,
1397                       gpointer user_data)
1398 {
1399   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1400   GtkTreeIter iter;
1401   gboolean value;
1402
1403   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1404     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1405     value = value? FALSE : TRUE;
1406     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1407   }
1408
1409 }
1410
1411
1412 /* According to user's selection, update selector(filter)
1413  */
1414
1415 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1416 {
1417   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1418   int i, j, k, nb_eventtype;
1419   LttvTraceSelector     * trace;
1420   LttvTracefileSelector * tracefile;
1421   LttvEventtypeSelector * eventtype;
1422   gboolean value, value1, value2;
1423
1424   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1425     i = 0;
1426     do{
1427       trace = lttv_traceset_selector_trace_get(s, i);
1428       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1429       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1430       if(value){
1431         j = 0;
1432         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1433           do{
1434             if(j<1){//eventtype selector for trace
1435               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1436               if(value2){
1437                 k=0;
1438                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1439                   do{
1440                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1441                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1442                     lttv_eventtype_selector_set_selected(eventtype,value2);
1443                     k++;
1444                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1445                 }
1446               }
1447             }else{ //tracefile selector
1448               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1449               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1450               lttv_tracefile_selector_set_selected(tracefile,value1);
1451               if(value1){
1452                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1453                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1454                 if(value2){
1455                   k = 0;
1456                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1457                     do{//eventtype selector for tracefile
1458                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1459                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1460                       lttv_eventtype_selector_set_selected(eventtype,value2);
1461                       k++;
1462                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1463                   }
1464                 }
1465               }
1466             }
1467             j++;
1468           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1469         }
1470       }
1471       lttv_trace_selector_set_selected(trace,value);
1472       i++;
1473     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1474   }
1475 }
1476
1477
1478 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1479  * eventtypes, tracefiles and traces (filter)
1480  */
1481
1482 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1483 {
1484   GtkWidget         * dialogue;
1485   GtkTreeStore      * store;
1486   GtkWidget         * tree;
1487   GtkWidget         * scroll_win;
1488   GtkCellRenderer   * renderer;
1489   GtkTreeViewColumn * column;
1490   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1491   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1492   LttvTraceSelector     * trace;
1493   LttvTracefileSelector * tracefile;
1494   LttvEventtypeSelector * eventtype;
1495   char * name;
1496   gboolean checked;
1497
1498   dialogue = gtk_dialog_new_with_buttons(title,
1499                                          NULL,
1500                                          GTK_DIALOG_MODAL,
1501                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1502                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1503                                          NULL);
1504   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1505
1506   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1507   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1508   g_object_unref (G_OBJECT (store));
1509   g_signal_connect (G_OBJECT (tree), "row-activated",
1510                     G_CALLBACK (checkbox_changed),
1511                     NULL);
1512
1513
1514   renderer = gtk_cell_renderer_toggle_new ();
1515   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1516
1517   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1518
1519   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1520                                                        renderer,
1521                                                        "active", CHECKBOX_COLUMN,
1522                                                        NULL);
1523   gtk_tree_view_column_set_alignment (column, 0.5);
1524   gtk_tree_view_column_set_fixed_width (column, 20);
1525   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1526
1527   renderer = gtk_cell_renderer_text_new ();
1528   column   = gtk_tree_view_column_new_with_attributes (column_title,
1529                                                        renderer,
1530                                                        "text", NAME_COLUMN,
1531                                                        NULL);
1532   gtk_tree_view_column_set_alignment (column, 0.0);
1533   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1534   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1535
1536   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1537   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1538                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1539   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1540
1541   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1542
1543   gtk_widget_show(scroll_win);
1544   gtk_widget_show(tree);
1545
1546   nb_trace = lttv_traceset_selector_trace_number(s);
1547   for(i=0;i<nb_trace;i++){
1548     trace = lttv_traceset_selector_trace_get(s, i);
1549     name  = lttv_trace_selector_get_name(trace);
1550     gtk_tree_store_append (store, &iter, NULL);
1551     checked = lttv_trace_selector_get_selected(trace);
1552     gtk_tree_store_set (store, &iter,
1553                         CHECKBOX_COLUMN,checked,
1554                         NAME_COLUMN,name,
1555                         -1);
1556
1557     gtk_tree_store_append (store, &child_iter, &iter);
1558     gtk_tree_store_set (store, &child_iter,
1559                         CHECKBOX_COLUMN, checked,
1560                         NAME_COLUMN,"eventtype",
1561                         -1);
1562
1563     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1564     for(j=0;j<nb_eventtype;j++){
1565       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1566       name      = lttv_eventtype_selector_get_name(eventtype);
1567       checked   = lttv_eventtype_selector_get_selected(eventtype);
1568       gtk_tree_store_append (store, &child_iter1, &child_iter);
1569       gtk_tree_store_set (store, &child_iter1,
1570                           CHECKBOX_COLUMN, checked,
1571                           NAME_COLUMN,name,
1572                           -1);
1573     }
1574
1575     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1576     for(j=0;j<nb_tracefile;j++){
1577       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1578       name      = lttv_tracefile_selector_get_name(tracefile);
1579       gtk_tree_store_append (store, &child_iter, &iter);
1580       checked = lttv_tracefile_selector_get_selected(tracefile);
1581       gtk_tree_store_set (store, &child_iter,
1582                           CHECKBOX_COLUMN, checked,
1583                           NAME_COLUMN,name,
1584                           -1);
1585
1586       gtk_tree_store_append (store, &child_iter1, &child_iter);
1587       gtk_tree_store_set (store, &child_iter1,
1588                           CHECKBOX_COLUMN, checked,
1589                           NAME_COLUMN,"eventtype",
1590                           -1);
1591
1592       for(k=0;k<nb_eventtype;k++){
1593         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1594         name      = lttv_eventtype_selector_get_name(eventtype);
1595         checked   = lttv_eventtype_selector_get_selected(eventtype);
1596         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1597         gtk_tree_store_set (store, &child_iter2,
1598                             CHECKBOX_COLUMN, checked,
1599                             NAME_COLUMN,name,
1600                             -1);
1601       }
1602     }
1603   }
1604
1605   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1606   switch(id){
1607     case GTK_RESPONSE_ACCEPT:
1608     case GTK_RESPONSE_OK:
1609       update_filter(s, store);
1610       gtk_widget_destroy(dialogue);
1611       return TRUE;
1612     case GTK_RESPONSE_REJECT:
1613     case GTK_RESPONSE_CANCEL:
1614     default:
1615       gtk_widget_destroy(dialogue);
1616       break;
1617   }
1618   return FALSE;
1619 }
1620
1621
1622 /* Select a trace which will be removed from traceset
1623  */
1624
1625 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1626 {
1627   return get_selection(all_trace_name, nb_trace,
1628                        "Select a trace", "Trace pathname");
1629 }
1630
1631
1632 /* Select a module which will be unloaded
1633  */
1634
1635 char * get_unload_module(char ** loaded_module_name, int nb_module)
1636 {
1637   return get_selection(loaded_module_name, nb_module,
1638                        "Select an unload module", "Module pathname");
1639 }
1640
1641
1642 /* Display a dialogue which shows all selectable items, let user to
1643  * select one of them
1644  */
1645
1646 char * get_selection(char ** loaded_module_name, int nb_module,
1647                      char *title, char * column_title)
1648 {
1649   GtkWidget         * dialogue;
1650   GtkWidget         * scroll_win;
1651   GtkWidget         * tree;
1652   GtkListStore      * store;
1653   GtkTreeViewColumn * column;
1654   GtkCellRenderer   * renderer;
1655   GtkTreeSelection  * select;
1656   GtkTreeIter         iter;
1657   gint                id, i;
1658   char              * unload_module_name = NULL;
1659
1660   dialogue = gtk_dialog_new_with_buttons(title,
1661                                          NULL,
1662                                          GTK_DIALOG_MODAL,
1663                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1664                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1665                                          NULL);
1666   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1667
1668   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1669   gtk_widget_show ( scroll_win);
1670   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1671                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1672
1673   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1674   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1675   gtk_widget_show ( tree);
1676   g_object_unref (G_OBJECT (store));
1677
1678   renderer = gtk_cell_renderer_text_new ();
1679   column   = gtk_tree_view_column_new_with_attributes (column_title,
1680                                                      renderer,
1681                                                      "text", MODULE_COLUMN,
1682                                                      NULL);
1683   gtk_tree_view_column_set_alignment (column, 0.5);
1684   gtk_tree_view_column_set_fixed_width (column, 150);
1685   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1686
1687   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1688   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1689
1690   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1691
1692   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1693
1694   for(i=0;i<nb_module;i++){
1695     gtk_list_store_append (store, &iter);
1696     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1697   }
1698
1699   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1700   switch(id){
1701     case GTK_RESPONSE_ACCEPT:
1702     case GTK_RESPONSE_OK:
1703       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1704           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1705       }
1706     case GTK_RESPONSE_REJECT:
1707     case GTK_RESPONSE_CANCEL:
1708     default:
1709       gtk_widget_destroy(dialogue);
1710       break;
1711   }
1712
1713   return unload_module_name;
1714 }
1715
1716
1717 /* hash funtions
1718  */
1719
1720 void main_window_destroy_hash_key(gpointer key)
1721 {
1722   g_free(key);
1723 }
1724
1725 void main_window_destroy_hash_data(gpointer data)
1726 {
1727 }
1728
1729
1730 /* Insert menu entry and tool button into all main windows for modules
1731  * It checks whether the menu entry or tool button exists or not,
1732  * if they do not exist, then construct the widget and insert them
1733  * into all main windows
1734  */
1735
1736 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1737 {
1738   int i;
1739   GdkPixbuf *pixbuf;
1740   lttvwindow_viewer_constructor constructor;
1741   LttvMenus * menu;
1742   LttvToolbars * toolbar;
1743   lttv_menu_closure *menu_item;
1744   lttv_toolbar_closure *toolbar_item;
1745   LttvAttributeValue value;
1746   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1747   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1748
1749   g_assert(lttv_iattribute_find_by_path(attributes,
1750            "viewers/menu", LTTV_POINTER, &value));
1751   menu = (LttvMenus*)*(value.v_pointer);
1752
1753   if(menu){
1754     for(i=0;i<menu->len;i++){
1755       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1756       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1757       if(tmp)continue;
1758       constructor = menu_item->con;
1759       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1760       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1761       gtk_widget_show (insert_view);
1762       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1763       g_signal_connect ((gpointer) insert_view, "activate",
1764                         G_CALLBACK (insert_viewer_wrap),
1765                         constructor);
1766       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1767                           insert_view);
1768     }
1769   }
1770
1771   g_assert(lttv_iattribute_find_by_path(attributes,
1772            "viewers/toolbar", LTTV_POINTER, &value));
1773   toolbar = (LttvToolbars*)*(value.v_pointer);
1774
1775   if(toolbar){
1776     for(i=0;i<toolbar->len;i++){
1777       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1778       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1779       if(tmp)continue;
1780       constructor = toolbar_item->con;
1781       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1782       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1783       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1784       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1785                                                 GTK_TOOLBAR_CHILD_BUTTON,
1786                                                 NULL,
1787                                                 "",
1788                                                 toolbar_item->tooltip, NULL,
1789                                                 pixmap, NULL, NULL);
1790       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1791       gtk_widget_show (insert_view);
1792       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1793       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1794       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1795                           insert_view);
1796     }
1797   }
1798 }
1799
1800
1801 /* Create a main window
1802  */
1803
1804 void construct_main_window(MainWindow * parent)
1805 {
1806   g_debug("construct_main_window()");
1807   GtkWidget  * new_window; /* New generated main window */
1808   MainWindow * new_m_window;/* New main window structure */
1809   GtkNotebook * notebook;
1810   LttvIAttribute *attributes =
1811           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1812   LttvAttributeValue value;
1813
1814   new_m_window = g_new(MainWindow, 1);
1815
1816   // Add the object's information to the module's array
1817   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1818
1819
1820   new_window  = create_MWindow();
1821   gtk_widget_show (new_window);
1822
1823   new_m_window->attributes = attributes;
1824
1825   new_m_window->mwindow = new_window;
1826   new_m_window->tab = NULL;
1827   new_m_window->current_tab = NULL;
1828   new_m_window->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1829
1830   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1831                                               main_window_destroy_hash_key,
1832                                               main_window_destroy_hash_data);
1833   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1834                                               main_window_destroy_hash_key,
1835                                               main_window_destroy_hash_data);
1836
1837   insert_menu_toolbar_item(new_m_window, NULL);
1838
1839   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1840
1841   //create a default tab
1842   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1843   if(notebook == NULL){
1844     g_printf("Notebook does not exist\n");
1845     return;
1846   }
1847   //for now there is no name field in LttvTraceset structure
1848   //Use "Traceset" as the label for the default tab
1849   create_tab(parent, new_m_window, notebook,"Traceset");
1850
1851   g_object_set_data_full(
1852                         G_OBJECT(new_m_window->mwindow),
1853                         "Main_Window_Data",
1854                         new_m_window,
1855                         (GDestroyNotify)main_window_free);
1856
1857   g_win_count++;
1858 }
1859
1860
1861 /* Free the memory occupied by a tab structure
1862  * destroy the tab
1863  */
1864
1865 void tab_destructor(Tab * tab_instance)
1866 {
1867   int i, nb, ref_count;
1868   LttvTrace * trace;
1869
1870   if(tab_instance->attributes)
1871     g_object_unref(tab_instance->attributes);
1872
1873   if(tab_instance->mw->tab == tab_instance){
1874     tab_instance->mw->tab = tab_instance->next;
1875   }else{
1876     Tab * tmp1, *tmp = tab_instance->mw->tab;
1877     while(tmp != tab_instance){
1878       tmp1 = tmp;
1879       tmp = tmp->next;
1880     }
1881     tmp1->next = tab_instance->next;
1882   }
1883
1884   if(tab_instance->traceset_info->traceset_context != NULL){
1885     //remove state update hooks
1886     lttv_state_remove_event_hooks(
1887          (LttvTracesetState*)tab_instance->traceset_info->
1888                               traceset_context);
1889     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
1890                                             traceset_context));
1891     g_object_unref(tab_instance->traceset_info->traceset_context);
1892   }
1893   if(tab_instance->traceset_info->traceset != NULL) {
1894     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
1895     for(i = 0 ; i < nb ; i++) {
1896       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
1897       ref_count = lttv_trace_get_ref_number(trace);
1898       if(ref_count <= 1){
1899         ltt_trace_close(lttv_trace(trace));
1900         lttv_trace_destroy(trace);
1901       }
1902       //      lttv_trace_destroy(trace);
1903     }
1904   }
1905   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
1906   g_free(tab_instance->traceset_info);
1907   g_free(tab_instance);
1908 }
1909
1910
1911 /* Create a tab and insert it into the current main window
1912  */
1913
1914 void * create_tab(MainWindow * parent, MainWindow* current_window,
1915                   GtkNotebook * notebook, char * label)
1916 {
1917   GList * list;
1918   Tab * tmp_tab;
1919   MainWindow * mw_data = current_window;
1920   LttTime tmp_time;
1921
1922   //create a new tab data structure
1923   tmp_tab = mw_data->tab;
1924   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
1925   if(!tmp_tab){
1926     mw_data->current_tab = NULL;
1927     tmp_tab = g_new(Tab,1);
1928     mw_data->tab = tmp_tab;
1929   }else{
1930     tmp_tab->next = g_new(Tab,1);
1931     tmp_tab = tmp_tab->next;
1932   }
1933
1934   //construct and initialize the traceset_info
1935   tmp_tab->traceset_info = g_new(TracesetInfo,1);
1936   if(parent){
1937     tmp_tab->traceset_info->traceset =
1938       lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
1939   }else{
1940     if(mw_data->current_tab){
1941       tmp_tab->traceset_info->traceset =
1942         lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
1943     }else{
1944       tmp_tab->traceset_info->traceset = lttv_traceset_new();
1945       /* Add the command line trace */
1946       if(g_init_trace != NULL)
1947         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
1948     }
1949   }
1950   //FIXME copy not implemented in lower level
1951   tmp_tab->traceset_info->traceset_context =
1952     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1953   lttv_context_init(
1954             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
1955                                   tmp_tab->traceset_info->traceset);
1956   //add state update hooks
1957   lttv_state_add_event_hooks(
1958        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
1959
1960
1961   //determine the current_time and time_window of the tab
1962   if(mw_data->current_tab){
1963     // Will have to read directly at the main window level, as we want
1964     // to be able to modify a traceset on the fly.
1965     tmp_tab->time_window      = mw_data->current_tab->time_window;
1966     tmp_tab->current_time     = mw_data->current_tab->current_time;
1967   }else{
1968     // Will have to read directly at the main window level, as we want
1969     // to be able to modify a traceset on the fly.
1970     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
1971     tmp_tab->time_window.start_time   =
1972             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
1973     if(DEFAULT_TIME_WIDTH_S <
1974               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
1975       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
1976     else
1977       tmp_time.tv_sec =
1978               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
1979     tmp_time.tv_nsec = 0;
1980     tmp_tab->time_window.time_width = tmp_time ;
1981     tmp_tab->current_time.tv_sec =
1982        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
1983     tmp_tab->current_time.tv_nsec =
1984        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
1985   }
1986   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1987   //  mw_data->current_tab = tmp_tab;
1988   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
1989   tmp_tab->multi_vpaned->mw = mw_data;
1990   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
1991   tmp_tab->next = NULL;
1992   tmp_tab->mw   = mw_data;
1993
1994   tmp_tab->label = gtk_label_new (label);
1995   gtk_widget_show (tmp_tab->label);
1996
1997   g_object_set_data_full(
1998            G_OBJECT(tmp_tab->multi_vpaned),
1999            "Tab_Info",
2000            tmp_tab,
2001            (GDestroyNotify)tab_destructor);
2002
2003  //insert tab into notebook
2004   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
2005   list = gtk_container_get_children(GTK_CONTAINER(notebook));
2006   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
2007   if(g_list_length(list)>1)
2008     gtk_notebook_set_show_tabs(notebook, TRUE);
2009 }
2010
2011
2012 /* Remove menu entry and tool button from main window for the
2013  * unloaded  module
2014  */
2015
2016 void remove_menu_item(gpointer main_win, gpointer user_data)
2017 {
2018   MainWindow * mw = (MainWindow *) main_win;
2019   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
2020   GtkWidget * tool_menu_title_menu, *insert_view;
2021
2022   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
2023   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
2024                                                 menu_item->menuText);
2025   if(insert_view){
2026     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
2027     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2028   }
2029 }
2030
2031 void remove_toolbar_item(gpointer main_win, gpointer user_data)
2032 {
2033   MainWindow * mw = (MainWindow *) main_win;
2034   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
2035   GtkWidget * tool_menu_title_menu, *insert_view;
2036
2037
2038   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2039   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2040                                                 toolbar_item->tooltip);
2041   if(insert_view){
2042     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2043     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2044   }
2045 }
2046
2047 /**
2048  * Remove menu and toolbar item when a module unloaded from all
2049  * main windows
2050  */
2051
2052 void main_window_remove_menu_item(lttvwindow_viewer_constructor constructor)
2053 {
2054   int i;
2055   LttvMenus * menu;
2056   lttv_menu_closure *menu_item;
2057   LttvAttributeValue value;
2058   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2059
2060   g_assert(lttv_iattribute_find_by_path(attributes,
2061            "viewers/menu", LTTV_POINTER, &value));
2062   menu = (LttvMenus*)*(value.v_pointer);
2063
2064   if(menu){
2065     for(i=0;i<menu->len;i++){
2066       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2067       if(menu_item->con != constructor) continue;
2068       if(g_main_window_list){
2069         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2070       }
2071       break;
2072     }
2073   }
2074
2075 }
2076
2077 void main_window_remove_toolbar_item(lttvwindow_viewer_constructor constructor)
2078 {
2079   int i;
2080   LttvToolbars * toolbar;
2081   lttv_toolbar_closure *toolbar_item;
2082   LttvAttributeValue value;
2083   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2084
2085   g_assert(lttv_iattribute_find_by_path(attributes,
2086            "viewers/toolbar", LTTV_POINTER, &value));
2087   toolbar = (LttvToolbars*)*(value.v_pointer);
2088
2089   if(toolbar){
2090     for(i=0;i<toolbar->len;i++){
2091       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2092       if(toolbar_item->con != constructor) continue;
2093       if(g_main_window_list){
2094         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2095       }
2096       break;
2097     }
2098   }
2099 }