ltt/branches/poly/lttv/modules/gui/main/src/callbacks.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <gtk/gtk.h>
  24
  25 #include "callbacks.h"
  26 #include "interface.h"
  27 #include "support.h"
  28 #include <lttv/lttv.h>
  29 #include <lttv/mainwindow.h>
  30 #include <lttv/menu.h>
  31 #include <lttv/toolbar.h>
  32 #include <lttv/gtktraceset.h>
  33 #include <lttv/module.h>
  34 #include <lttv/gtkdirsel.h>
  35 #include <lttv/iattribute.h>
  36 #include <lttv/lttvfilter.h>
  37 #include <ltt/trace.h>
  38 #include <ltt/facility.h>
  39
  40 #define PATH_LENGTH          256
  41 #define DEFAULT_TIME_WIDTH_S   1
  42
  43 extern LttvTrace *g_init_trace ;
  44
  45
  46 /** Array containing instanced objects. */
  47 extern GSList * g_main_window_list;
  48
  49 static int g_win_count = 0;
  50
  51 // MD : keep old directory
  52 static char remember_dir[PATH_LENGTH] = "";
  53
  54
  55 MainWindow * get_window_data_struct(GtkWidget * widget);
  56 char * get_unload_module(char ** loaded_module_name, int nb_module);
  57 char * get_remove_trace(char ** all_trace_name, int nb_trace);
  58 char * get_selection(char ** all_name, int nb, char *title, char * column_title);
  59 gboolean get_filter_selection(LttvTracesetSelector *s, char *title, char * column_title);
  60 void * create_tab(MainWindow * parent, MainWindow * current_window,
  61                   GtkNotebook * notebook, char * label);
  62
  63 void insert_viewer(GtkWidget* widget, view_constructor constructor);
  64 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store );
  65
  66 void checkbox_changed(GtkTreeView *treeview,
  67                       GtkTreePath *arg1,
  68                       GtkTreeViewColumn *arg2,
  69                       gpointer user_data);
  70 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i);
  71 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * trace);
  72
  73 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset);
  74
  75 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window);
  76 unsigned get_max_event_number(MainWindow * mw_data);
  77
  78 enum {
  79   CHECKBOX_COLUMN,
  80   NAME_COLUMN,
  81   TOTAL_COLUMNS
  82 };
  83
  84 enum
  85 {
  86   MODULE_COLUMN,
  87   N_COLUMNS
  88 };
  89
  90 /* Construct a selector(filter), which will be associated with a viewer,
  91  * and provides an interface for user to select interested events and traces
  92  */
  93
  94 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset)
  95 {
  96   LttvTracesetSelector  * s;
  97   LttvTraceSelector     * trace;
  98   LttvTracefileSelector * tracefile;
  99   LttvEventtypeSelector * eventtype;
 100   int i, j, k, m;
 101   int nb_trace, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 102   LttvTrace * trace_v;
 103   LttTrace  * t;
 104   LttTracefile *tf;
 105   LttFacility * fac;
 106   LttEventType * et;
 107
 108   s = lttv_traceset_selector_new(lttv_traceset_name(traceset));
 109   nb_trace = lttv_traceset_number(traceset);
 110   for(i=0;i<nb_trace;i++){
 111     trace_v = lttv_traceset_get(traceset, i);
 112     t       = lttv_trace(trace_v);
 113     trace   = lttv_trace_selector_new(t);
 114     lttv_traceset_selector_trace_add(s, trace);
 115
 116     nb_facility = ltt_trace_facility_number(t);
 117     for(k=0;k<nb_facility;k++){
 118       fac = ltt_trace_facility_get(t,k);
 119       nb_event = (int) ltt_facility_eventtype_number(fac);
 120       for(m=0;m<nb_event;m++){
 121         et = ltt_facility_eventtype_get(fac,m);
 122         eventtype = lttv_eventtype_selector_new(et);
 123         lttv_trace_selector_eventtype_add(trace, eventtype);
 124       }
 125     }
 126
 127     nb_control = ltt_trace_control_tracefile_number(t);
 128     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 129     nb_tracefile = nb_control + nb_per_cpu;
 130
 131     for(j = 0 ; j < nb_tracefile ; j++) {
 132       if(j < nb_control)
 133         tf = ltt_trace_control_tracefile_get(t, j);
 134       else
 135         tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 136       tracefile = lttv_tracefile_selector_new(tf);
 137       lttv_trace_selector_tracefile_add(trace, tracefile);
 138       lttv_eventtype_selector_copy(trace, tracefile);
 139     }
 140   }
 141   return s;
 142 }
 143
 144
 145 /* insert_viewer function constructs an instance of a viewer first,
 146  * then inserts the widget of the instance into the container of the
 147  * main window
 148  */
 149
 150 void
 151 insert_viewer_wrap(GtkWidget *menuitem, gpointer user_data)
 152 {
 153   guint val = 20;
 154
 155   insert_viewer((GtkWidget*)menuitem, (view_constructor)user_data);
 156   //  selected_hook(&val);
 157 }
 158
 159
 160 /* internal functions */
 161 void insert_viewer(GtkWidget* widget, view_constructor constructor)
 162 {
 163   GtkMultiVPaned * multi_vpaned;
 164   MainWindow * mw_data;
 165   GtkWidget * viewer;
 166   LttvTracesetSelector  * s;
 167   TimeInterval * time_interval;
 168   TimeWindow  time_window, t;
 169
 170   mw_data = get_window_data_struct(widget);
 171   if(!mw_data->current_tab) return;
 172   multi_vpaned = mw_data->current_tab->multi_vpaned;
 173
 174   s = construct_traceset_selector(mw_data->current_tab->traceset_info->traceset);
 175   viewer = (GtkWidget*)constructor(mw_data, s, "Traceset_Selector");
 176   if(viewer)
 177   {
 178     gtk_multi_vpaned_widget_add(multi_vpaned, viewer);
 179     // Added by MD
 180     //    g_object_unref(G_OBJECT(viewer));
 181
 182     time_window = mw_data->current_tab->time_window;
 183     time_interval = (TimeInterval*)g_object_get_data(G_OBJECT(viewer), TRACESET_TIME_SPAN);
 184     if(time_interval){
 185       t = time_window;
 186       time_window.start_time = time_interval->startTime;
 187       time_window.time_width = ltt_time_sub(time_interval->endTime,time_interval->startTime);
 188     }
 189
 190     redraw_viewer(mw_data,&time_window);
 191     set_current_time(mw_data,&(mw_data->current_tab->current_time));
 192     if(time_interval){
 193       set_time_window(mw_data,&t);
 194     }
 195   }
 196 }
 197
 198
 199 /* get_label function is used to get user input, it displays an input
 200  * box, which allows user to input a string
 201  */
 202
 203 void get_label_string (GtkWidget * text, gchar * label)
 204 {
 205   GtkEntry * entry = (GtkEntry*)text;
 206   if(strlen(gtk_entry_get_text(entry))!=0)
 207     strcpy(label,gtk_entry_get_text(entry));
 208 }
 209
 210 gboolean get_label(MainWindow * mw, gchar * str, gchar* dialogue_title, gchar * label_str)
 211 {
 212   GtkWidget * dialogue;
 213   GtkWidget * text;
 214   GtkWidget * label;
 215   gint id;
 216
 217   dialogue = gtk_dialog_new_with_buttons(dialogue_title,NULL,
 218                                          GTK_DIALOG_MODAL,
 219                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 220                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 221                                          NULL);
 222
 223   label = gtk_label_new(label_str);
 224   gtk_widget_show(label);
 225
 226   text = gtk_entry_new();
 227   gtk_widget_show(text);
 228
 229   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 230   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 231
 232   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 233   switch(id){
 234     case GTK_RESPONSE_ACCEPT:
 235       get_label_string(text,str);
 236       gtk_widget_destroy(dialogue);
 237       break;
 238     case GTK_RESPONSE_REJECT:
 239     default:
 240       gtk_widget_destroy(dialogue);
 241       return FALSE;
 242   }
 243   return TRUE;
 244 }
 245
 246
 247 /* get_window_data_struct function is actually a lookup function,
 248  * given a widget which is in the tree of the main window, it will
 249  * return the MainWindow data structure associated with main window
 250  */
 251
 252 MainWindow * get_window_data_struct(GtkWidget * widget)
 253 {
 254   GtkWidget * mw;
 255   MainWindow * mw_data;
 256
 257   mw = lookup_widget(widget, "MWindow");
 258   if(mw == NULL){
 259     g_printf("Main window does not exist\n");
 260     return;
 261   }
 262
 263   mw_data = (MainWindow *) g_object_get_data(G_OBJECT(mw),"mainWindow");
 264   if(mw_data == NULL){
 265     g_printf("Main window data does not exist\n");
 266     return;
 267   }
 268   return mw_data;
 269 }
 270
 271
 272 /* create_new_window function, just constructs a new main window
 273  */
 274
 275 void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone)
 276 {
 277   MainWindow * parent = get_window_data_struct(widget);
 278
 279   if(clone){
 280     g_printf("Clone : use the same traceset\n");
 281     construct_main_window(parent);
 282   }else{
 283     g_printf("Empty : traceset is set to NULL\n");
 284     construct_main_window(NULL);
 285   }
 286 }
 287
 288
 289 /* move_*_viewer functions move the selected view up/down in
 290  * the current tab
 291  */
 292
 293 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 294 {
 295   MainWindow * mw = get_window_data_struct(widget);
 296   if(!mw->current_tab) return;
 297   gtk_multi_vpaned_widget_move_up(mw->current_tab->multi_vpaned);
 298 }
 299
 300 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 301 {
 302   MainWindow * mw = get_window_data_struct(widget);
 303   if(!mw->current_tab) return;
 304   gtk_multi_vpaned_widget_move_down(mw->current_tab->multi_vpaned);
 305 }
 306
 307
 308 /* delete_viewer deletes the selected viewer in the current tab
 309  */
 310
 311 void delete_viewer(GtkWidget * widget, gpointer user_data)
 312 {
 313   MainWindow * mw = get_window_data_struct(widget);
 314   if(!mw->current_tab) return;
 315   gtk_multi_vpaned_widget_delete(mw->current_tab->multi_vpaned);
 316 }
 317
 318
 319 /* open_traceset will open a traceset saved in a file
 320  * Right now, it is not finished yet, (not working)
 321  */
 322
 323 void open_traceset(GtkWidget * widget, gpointer user_data)
 324 {
 325   char ** dir;
 326   gint id;
 327   LttvTraceset * traceset;
 328   MainWindow * mw_data = get_window_data_struct(widget);
 329   GtkFileSelection * file_selector =
 330     (GtkFileSelection *)gtk_file_selection_new("Select a traceset");
 331
 332   gtk_file_selection_hide_fileop_buttons(file_selector);
 333
 334   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 335   switch(id){
 336     case GTK_RESPONSE_ACCEPT:
 337     case GTK_RESPONSE_OK:
 338       dir = gtk_file_selection_get_selections (file_selector);
 339       traceset = lttv_traceset_load(dir[0]);
 340       g_printf("Open a trace set %s\n", dir[0]);
 341       //Not finished yet
 342       g_strfreev(dir);
 343     case GTK_RESPONSE_REJECT:
 344     case GTK_RESPONSE_CANCEL:
 345     default:
 346       gtk_widget_destroy((GtkWidget*)file_selector);
 347       break;
 348   }
 349
 350 }
 351
 352
 353 /* get_max_event_number returns the event number limit used by
 354  * lttv_process_traceset(LttvTracesetContext, endTime, maxNumEvents)
 355  * each viewer can set the limit
 356  */
 357
 358 unsigned get_max_event_number(MainWindow * mw_data)
 359 {
 360   unsigned nb = 0, *size;
 361   GtkWidget * w;
 362
 363   w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 364   while(w){
 365     size = (unsigned*)g_object_get_data(G_OBJECT(w), MAX_NUMBER_EVENT);
 366     if(size == NULL){
 367       nb = G_MAXULONG;
 368       break;
 369     }else{
 370       if(nb < *size)
 371         nb = *size;
 372     }
 373     w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 374   }
 375   return nb;
 376 }
 377
 378
 379 /* redraw_viewer parses the traceset first by calling
 380  * process_traceset_api, then display all viewers of
 381  * the current tab
 382  */
 383
 384 void redraw_viewer(MainWindow * mw_data, TimeWindow * time_window)
 385 {
 386   unsigned max_nb_events;
 387   GdkWindow * win;
 388   GdkCursor * new;
 389   GtkWidget* widget;
 390
 391   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 392   new = gdk_cursor_new(GDK_X_CURSOR);
 393   widget = lookup_widget(mw_data->mwindow, "MToolbar1");
 394   win = gtk_widget_get_parent_window(widget);
 395   gdk_window_set_cursor(win, new);
 396   gdk_cursor_unref(new);
 397   gdk_window_stick(win);
 398   gdk_window_unstick(win);
 399
 400   //update time window of each viewer, let viewer insert hooks needed by process_traceset
 401   set_time_window(mw_data, time_window);
 402
 403   max_nb_events = get_max_event_number(mw_data);
 404
 405   process_traceset_api(mw_data, time_window->start_time,
 406                        ltt_time_add(time_window->start_time,time_window->time_width),
 407                        max_nb_events);
 408
 409   //call hooks to show each viewer and let them remove hooks
 410   show_viewer(mw_data);
 411
 412   //set the cursor back to normal
 413   gdk_window_set_cursor(win, NULL);
 414 }
 415
 416
 417 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 418  * selector (filter), when a trace is added into traceset, the selector should
 419  * reflect the change. The function is used to update the selector
 420  */
 421
 422 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 423 {
 424   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 425   LttvTracesetSelector  * s;
 426   LttvTraceSelector     * trace;
 427   LttvTracefileSelector * tracefile;
 428   LttvEventtypeSelector * eventtype;
 429   LttTracefile          * tf;
 430   GtkWidget             * w;
 431   LttFacility           * fac;
 432   LttEventType          * et;
 433
 434   w = gtk_multi_vpaned_get_first_widget(paned);
 435   while(w){
 436     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 437
 438     if(s){
 439       trace   = lttv_trace_selector_new(t);
 440       lttv_traceset_selector_trace_add(s, trace);
 441
 442       nb_facility = ltt_trace_facility_number(t);
 443       for(k=0;k<nb_facility;k++){
 444         fac = ltt_trace_facility_get(t,k);
 445         nb_event = (int) ltt_facility_eventtype_number(fac);
 446         for(m=0;m<nb_event;m++){
 447           et = ltt_facility_eventtype_get(fac,m);
 448           eventtype = lttv_eventtype_selector_new(et);
 449           lttv_trace_selector_eventtype_add(trace, eventtype);
 450         }
 451       }
 452
 453       nb_control = ltt_trace_control_tracefile_number(t);
 454       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 455       nb_tracefile = nb_control + nb_per_cpu;
 456
 457       for(j = 0 ; j < nb_tracefile ; j++) {
 458         if(j < nb_control)
 459           tf = ltt_trace_control_tracefile_get(t, j);
 460         else
 461           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 462         tracefile = lttv_tracefile_selector_new(tf);
 463         lttv_trace_selector_tracefile_add(trace, tracefile);
 464         lttv_eventtype_selector_copy(trace, tracefile);
 465       }
 466     }else g_warning("Module does not support filtering\n");
 467
 468     w = gtk_multi_vpaned_get_next_widget(paned);
 469   }
 470 }
 471
 472
 473 /* add_trace adds a trace into the current traceset. It first displays a
 474  * directory selection dialogue to let user choose a trace, then recreates
 475  * tracset_context, and redraws all the viewer of the current tab
 476  */
 477
 478 void add_trace(GtkWidget * widget, gpointer user_data)
 479 {
 480   LttTrace *trace;
 481   LttvTrace * trace_v;
 482   LttvTraceset * traceset;
 483   const char * dir;
 484   gint id;
 485   MainWindow * mw_data = get_window_data_struct(widget);
 486   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 487   gtk_dir_selection_hide_fileop_buttons(file_selector);
 488
 489   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 490   switch(id){
 491     case GTK_RESPONSE_ACCEPT:
 492     case GTK_RESPONSE_OK:
 493       dir = gtk_dir_selection_get_dir (file_selector);
 494       if(!dir || strlen(dir) ==0){
 495         gtk_widget_destroy((GtkWidget*)file_selector);
 496         break;
 497       }
 498       trace = ltt_trace_open(dir);
 499       if(trace == NULL) g_critical("cannot open trace %s", dir);
 500       trace_v = lttv_trace_new(trace);
 501       traceset = mw_data->current_tab->traceset_info->traceset;
 502       if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 503         lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 504                                                 traceset_info->traceset_context));
 505         g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 506       }
 507       lttv_traceset_add(traceset, trace_v);
 508       mw_data->current_tab->traceset_info->traceset_context =
 509         g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 510       lttv_context_init(
 511         LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 512                               traceset_context),traceset);
 513       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 514
 515       gtk_widget_destroy((GtkWidget*)file_selector);
 516
 517       //update current tab
 518       update_traceset(mw_data);
 519
 520       get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 521       if(lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1 ||
 522          ltt_time_compare(mw_data->current_tab->current_time,
 523              LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime)<0){
 524         mw_data->current_tab->current_time =
 525            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime;
 526         mw_data->current_tab->time_window.start_time = mw_data->current_tab->current_time;
 527         mw_data->current_tab->time_window.time_width.tv_sec = DEFAULT_TIME_WIDTH_S;
 528         mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 529       }
 530
 531       redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 532       set_current_time(mw_data,&(mw_data->current_tab->current_time));
 533       break;
 534     case GTK_RESPONSE_REJECT:
 535     case GTK_RESPONSE_CANCEL:
 536     default:
 537       gtk_widget_destroy((GtkWidget*)file_selector);
 538       break;
 539   }
 540 }
 541
 542
 543 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 544  * selector (filter), when a trace is remove from traceset, the selector should
 545  * reflect the change. The function is used to update the selector
 546  */
 547
 548 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 549 {
 550   LttvTracesetSelector * s;
 551   LttvTraceSelector * t;
 552   GtkWidget * w;
 553
 554   w = gtk_multi_vpaned_get_first_widget(paned);
 555   while(w){
 556     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 557     if(s){
 558       t = lttv_traceset_selector_trace_get(s,i);
 559       lttv_traceset_selector_trace_remove(s, i);
 560       lttv_trace_selector_destroy(t);
 561     }g_warning("Module dose not support filtering\n");
 562     w = gtk_multi_vpaned_get_next_widget(paned);
 563   }
 564 }
 565
 566
 567 /* remove_trace removes a trace from the current traceset if all viewers in
 568  * the current tab are not interested in the trace. It first displays a
 569  * dialogue, which shows all traces in the current traceset, to let user choose
 570  * a trace, then it checks if all viewers unselect the trace, if it is true,
 571  * it will remove the trace,  recreate the traceset_contex,
 572  * and redraws all the viewer of the current tab. If there is on trace in the
 573  * current traceset, it will delete all viewers of the current tab
 574  */
 575
 576 void remove_trace(GtkWidget * widget, gpointer user_data)
 577 {
 578   LttTrace *trace;
 579   LttvTrace * trace_v;
 580   LttvTraceset * traceset;
 581   gint i, nb_trace;
 582   char ** name, *remove_trace_name;
 583   MainWindow * mw_data = get_window_data_struct(widget);
 584   LttvTracesetSelector * s;
 585   LttvTraceSelector * t;
 586   GtkWidget * w;
 587   gboolean selected;
 588
 589   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 590   name = g_new(char*,nb_trace);
 591   for(i = 0; i < nb_trace; i++){
 592     trace_v = lttv_traceset_get(mw_data->current_tab->
 593                                 traceset_info->traceset, i);
 594     trace = lttv_trace(trace_v);
 595     name[i] = ltt_trace_name(trace);
 596   }
 597
 598   remove_trace_name = get_remove_trace(name, nb_trace);
 599
 600   if(remove_trace_name){
 601     for(i=0; i<nb_trace; i++){
 602       if(strcmp(remove_trace_name,name[i]) == 0){
 603         //unselect the trace from the current viewer
 604         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 605         if(w){
 606           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 607           if(s){
 608             t = lttv_traceset_selector_trace_get(s,i);
 609             lttv_trace_selector_set_selected(t, FALSE);
 610           }
 611
 612           //check if other viewers select the trace
 613           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 614           while(w){
 615             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 616             if(s){
 617               t = lttv_traceset_selector_trace_get(s,i);
 618               selected = lttv_trace_selector_get_selected(t);
 619               if(selected)break;
 620             }
 621             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 622           }
 623         }else selected = FALSE;
 624
 625         //if no viewer selects the trace, remove it
 626         if(!selected){
 627           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 628
 629           traceset = mw_data->current_tab->traceset_info->traceset;
 630           trace_v = lttv_traceset_get(traceset, i);
 631           if(lttv_trace_get_ref_number(trace_v) <= 1)
 632             ltt_trace_close(lttv_trace(trace_v));
 633
 634           if(mw_data->current_tab->traceset_info->traceset_context != NULL){
 635             lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 636                                                     traceset_info->traceset_context));
 637             g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 638           }
 639           lttv_traceset_remove(traceset, i);
 640           if(!lttv_trace_get_ref_number(trace_v))
 641              lttv_trace_destroy(trace_v);
 642           mw_data->current_tab->traceset_info->traceset_context =
 643             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 644           lttv_context_init(
 645                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 646                                       traceset_info->traceset_context),traceset);
 647           //update current tab
 648           update_traceset(mw_data);
 649           if(nb_trace > 1){
 650             redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 651             set_current_time(mw_data,&(mw_data->current_tab->current_time));
 652           }else{
 653             if(mw_data->current_tab){
 654               while(mw_data->current_tab->multi_vpaned->num_children){
 655                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 656               }
 657             }
 658           }
 659         }
 660         break;
 661       }
 662     }
 663   }
 664
 665   g_free(name);
 666 }
 667
 668
 669 /* save will save the traceset to a file
 670  * Not implemented yet
 671  */
 672
 673 void save(GtkWidget * widget, gpointer user_data)
 674 {
 675   g_printf("Save\n");
 676 }
 677
 678 void save_as(GtkWidget * widget, gpointer user_data)
 679 {
 680   g_printf("Save as\n");
 681 }
 682
 683
 684 /* zoom will change the time_window of all the viewers of the
 685  * current tab, and redisplay them. The main functionality is to
 686  * determine the new time_window of the current tab
 687  */
 688
 689 void zoom(GtkWidget * widget, double size)
 690 {
 691   TimeInterval *time_span;
 692   TimeWindow time_window;
 693   LttTime    current_time, time_delta, time_s, time_e, time_t;
 694   MainWindow * mw_data = get_window_data_struct(widget);
 695
 696   if(size == 1) return;
 697
 698   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 699                                     traceset_info->traceset_context)->Time_Span;
 700   time_window =  mw_data->current_tab->time_window;
 701   current_time = mw_data->current_tab->current_time;
 702
 703   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 704   if(size == 0){
 705     time_window.start_time = time_span->startTime;
 706     time_window.time_width = time_delta;
 707   }else{
 708     time_window.time_width = ltt_time_div(time_window.time_width, size);
 709     if(ltt_time_compare(time_window.time_width,time_delta) > 0)
 710       time_window.time_width = time_delta;
 711
 712     time_t = ltt_time_div(time_window.time_width, 2);
 713     if(ltt_time_compare(current_time, time_t) < 0){
 714       time_s = time_span->startTime;
 715     } else {
 716       time_s = ltt_time_sub(current_time,time_t);
 717     }
 718     time_e = ltt_time_add(current_time,time_t);
 719     if(ltt_time_compare(time_span->startTime, time_s) > 0){
 720       time_s = time_span->startTime;
 721     }else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 722       time_e = time_span->endTime;
 723       time_s = ltt_time_sub(time_e,time_window.time_width);
 724     }
 725     time_window.start_time = time_s;
 726   }
 727   redraw_viewer(mw_data, &time_window);
 728   set_current_time(mw_data,&(mw_data->current_tab->current_time));
 729   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, FALSE);
 730 }
 731
 732 void zoom_in(GtkWidget * widget, gpointer user_data)
 733 {
 734   zoom(widget, 2);
 735 }
 736
 737 void zoom_out(GtkWidget * widget, gpointer user_data)
 738 {
 739   zoom(widget, 0.5);
 740 }
 741
 742 void zoom_extended(GtkWidget * widget, gpointer user_data)
 743 {
 744   zoom(widget, 0);
 745 }
 746
 747 void go_to_time(GtkWidget * widget, gpointer user_data)
 748 {
 749   g_printf("Go to time\n");
 750 }
 751
 752 void show_time_frame(GtkWidget * widget, gpointer user_data)
 753 {
 754   g_printf("Show time frame\n");
 755 }
 756
 757
 758 /* callback function */
 759
 760 void
 761 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 762                                         gpointer         user_data)
 763 {
 764   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 765 }
 766
 767
 768 void
 769 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 770                                         gpointer         user_data)
 771 {
 772   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 773 }
 774
 775
 776 /* create_new_tab calls create_tab to construct a new tab in the main window
 777  */
 778
 779 void create_new_tab(GtkWidget* widget, gpointer user_data){
 780   gchar label[PATH_LENGTH];
 781   MainWindow * mw_data = get_window_data_struct(widget);
 782   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 783   if(notebook == NULL){
 784     g_printf("Notebook does not exist\n");
 785     return;
 786   }
 787
 788   strcpy(label,"Page");
 789   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 790     create_tab (mw_data, mw_data, notebook, label);
 791 }
 792
 793 void
 794 on_tab_activate                        (GtkMenuItem     *menuitem,
 795                                         gpointer         user_data)
 796 {
 797   create_new_tab((GtkWidget*)menuitem, user_data);
 798 }
 799
 800
 801 void
 802 on_open_activate                       (GtkMenuItem     *menuitem,
 803                                         gpointer         user_data)
 804 {
 805   open_traceset((GtkWidget*)menuitem, user_data);
 806 }
 807
 808
 809 void
 810 on_close_activate                      (GtkMenuItem     *menuitem,
 811                                         gpointer         user_data)
 812 {
 813   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 814   main_window_destructor(mw_data);
 815 }
 816
 817
 818 /* remove the current tab from the main window if it is not the default tab
 819  */
 820
 821 void
 822 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 823                                         gpointer         user_data)
 824 {
 825   GList * list;
 826   int count = 0;
 827   GtkWidget * notebook;
 828   Tab * tmp;
 829   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 830   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 831   if(notebook == NULL){
 832     g_printf("Notebook does not exist\n");
 833     return;
 834   }
 835
 836   if(mw_data->tab == mw_data->current_tab){
 837     //    tmp = mw_data->current_tb;
 838     //    mw_data->tab = mw_data->current_tab->next;
 839     g_printf("The default TAB can not be deleted\n");
 840     return;
 841   }else{
 842     tmp = mw_data->tab;
 843     while(tmp != mw_data->current_tab){
 844       tmp = tmp->next;
 845       count++;
 846     }
 847   }
 848
 849   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
 850   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 851   if(g_list_length(list)==1)
 852     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
 853 }
 854
 855
 856 void
 857 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 858                                         gpointer         user_data)
 859 {
 860   add_trace((GtkWidget*)menuitem, user_data);
 861 }
 862
 863
 864 void
 865 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 866                                         gpointer         user_data)
 867 {
 868   remove_trace((GtkWidget*)menuitem, user_data);
 869 }
 870
 871
 872 void
 873 on_save_activate                       (GtkMenuItem     *menuitem,
 874                                         gpointer         user_data)
 875 {
 876   save((GtkWidget*)menuitem, user_data);
 877 }
 878
 879
 880 void
 881 on_save_as_activate                    (GtkMenuItem     *menuitem,
 882                                         gpointer         user_data)
 883 {
 884   save_as((GtkWidget*)menuitem, user_data);
 885 }
 886
 887
 888 void
 889 on_quit_activate                       (GtkMenuItem     *menuitem,
 890                                         gpointer         user_data)
 891 {
 892   gtk_main_quit ();
 893 }
 894
 895
 896 void
 897 on_cut_activate                        (GtkMenuItem     *menuitem,
 898                                         gpointer         user_data)
 899 {
 900   g_printf("Cut\n");
 901 }
 902
 903
 904 void
 905 on_copy_activate                       (GtkMenuItem     *menuitem,
 906                                         gpointer         user_data)
 907 {
 908   g_printf("Copye\n");
 909 }
 910
 911
 912 void
 913 on_paste_activate                      (GtkMenuItem     *menuitem,
 914                                         gpointer         user_data)
 915 {
 916   g_printf("Paste\n");
 917 }
 918
 919
 920 void
 921 on_delete_activate                     (GtkMenuItem     *menuitem,
 922                                         gpointer         user_data)
 923 {
 924   g_printf("Delete\n");
 925 }
 926
 927
 928 void
 929 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 930                                         gpointer         user_data)
 931 {
 932    zoom_in((GtkWidget*)menuitem, user_data);
 933 }
 934
 935
 936 void
 937 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 938                                         gpointer         user_data)
 939 {
 940    zoom_out((GtkWidget*)menuitem, user_data);
 941 }
 942
 943
 944 void
 945 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 946                                         gpointer         user_data)
 947 {
 948    zoom_extended((GtkWidget*)menuitem, user_data);
 949 }
 950
 951
 952 void
 953 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 954                                         gpointer         user_data)
 955 {
 956    go_to_time((GtkWidget*)menuitem, user_data);
 957 }
 958
 959
 960 void
 961 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 962                                         gpointer         user_data)
 963 {
 964    show_time_frame((GtkWidget*)menuitem, user_data);
 965 }
 966
 967
 968 void
 969 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
 970                                         gpointer         user_data)
 971 {
 972   move_up_viewer((GtkWidget*)menuitem, user_data);
 973 }
 974
 975
 976 void
 977 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
 978                                         gpointer         user_data)
 979 {
 980   move_down_viewer((GtkWidget*)menuitem, user_data);
 981 }
 982
 983
 984 void
 985 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
 986                                         gpointer         user_data)
 987 {
 988   delete_viewer((GtkWidget*)menuitem, user_data);
 989 }
 990
 991 void
 992 on_trace_filter_activate              (GtkMenuItem     *menuitem,
 993                                         gpointer         user_data)
 994 {
 995   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 996   LttvTracesetSelector * s;
 997   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 998
 999   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1000   if(!s){
1001     g_printf("There is no viewer yet\n");
1002     return;
1003   }
1004   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1005     update_traceset(mw_data);
1006     redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
1007     set_current_time(mw_data,&(mw_data->current_tab->current_time));
1008   }
1009 }
1010
1011 void
1012 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1013                                         gpointer         user_data)
1014 {
1015   g_printf("Trace facility selector: %s\n");
1016 }
1017
1018
1019 /* Dispaly a file selection dialogue to let user select a module, then call
1020  * lttv_module_load(), finally insert tool button and menu entry in the main window
1021  * for the loaded  module
1022  */
1023
1024 void
1025 on_load_module_activate                (GtkMenuItem     *menuitem,
1026                                         gpointer         user_data)
1027 {
1028   char ** dir;
1029   gint id;
1030   char str[PATH_LENGTH], *str1;
1031   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1032   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1033   if(remember_dir[0] != '\0')
1034     gtk_file_selection_set_filename(file_selector, remember_dir);
1035   gtk_file_selection_hide_fileop_buttons(file_selector);
1036
1037   str[0] = '\0';
1038   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1039   switch(id){
1040     case GTK_RESPONSE_ACCEPT:
1041     case GTK_RESPONSE_OK:
1042       dir = gtk_file_selection_get_selections (file_selector);
1043       strncpy(str,dir[0],PATH_LENGTH);
1044       strncpy(remember_dir,dir[0],PATH_LENGTH);
1045       str1 = strrchr(str,'/');
1046       if(str1)str1++;
1047       else{
1048         str1 = strrchr(str,'\\');
1049         str1++;
1050       }
1051       lttv_module_require(str1, NULL);
1052       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1053           NULL);
1054       g_strfreev(dir);
1055     case GTK_RESPONSE_REJECT:
1056     case GTK_RESPONSE_CANCEL:
1057     default:
1058       gtk_widget_destroy((GtkWidget*)file_selector);
1059       break;
1060   }
1061   g_printf("Load module: %s\n", str);
1062 }
1063
1064
1065 /* Display all loaded modules, let user to select a module to unload
1066  * by calling lttv_module_unload
1067  */
1068
1069 void
1070 on_unload_module_activate              (GtkMenuItem     *menuitem,
1071                                         gpointer         user_data)
1072 {
1073   int i;
1074   GPtrArray *name;
1075   char *unload_module_name;
1076   guint nb;
1077   LttvLibrary *library;
1078   LttvLibraryInfo library_info;
1079   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1080
1081   name  = g_ptr_array_new();
1082   nb = lttv_library_number();
1083
1084   for(i=0;i<nb;i++){
1085     library = lttv_library_get(i);
1086     lttv_library_info(library, &library_info);
1087     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1088   }
1089
1090   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1091
1092   if(unload_module_name){
1093     for(i=0;i<nb;i++){
1094       library = lttv_library_get(i);
1095       lttv_library_info(library, &library_info);
1096       if(strcmp(unload_module_name, library_info.name) == 0){
1097         lttv_library_unload(library);
1098         break;
1099       }
1100     }
1101   }
1102
1103   g_ptr_array_free(name, TRUE);
1104 }
1105
1106
1107 /* Display a directory dialogue to let user select a path for module searching
1108  */
1109
1110 void
1111 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1112                                         gpointer         user_data)
1113 {
1114   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1115   const char * dir;
1116   gint id;
1117
1118   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1119   if(remember_dir[0] != '\0')
1120     gtk_dir_selection_set_filename(file_selector, remember_dir);
1121
1122   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1123   switch(id){
1124     case GTK_RESPONSE_ACCEPT:
1125     case GTK_RESPONSE_OK:
1126       dir = gtk_dir_selection_get_dir (file_selector);
1127       strncpy(remember_dir,dir,PATH_LENGTH);
1128       strncat(remember_dir,"/",PATH_LENGTH);
1129       lttv_library_path_add(dir);
1130     case GTK_RESPONSE_REJECT:
1131     case GTK_RESPONSE_CANCEL:
1132     default:
1133       gtk_widget_destroy((GtkWidget*)file_selector);
1134       break;
1135   }
1136 }
1137
1138
1139 void
1140 on_color_activate                      (GtkMenuItem     *menuitem,
1141                                         gpointer         user_data)
1142 {
1143   g_printf("Color\n");
1144 }
1145
1146
1147 void
1148 on_filter_activate                     (GtkMenuItem     *menuitem,
1149                                         gpointer         user_data)
1150 {
1151   g_printf("Filter\n");
1152 }
1153
1154
1155 void
1156 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1157                                         gpointer         user_data)
1158 {
1159   g_printf("Save configuration\n");
1160 }
1161
1162
1163 void
1164 on_content_activate                    (GtkMenuItem     *menuitem,
1165                                         gpointer         user_data)
1166 {
1167   g_printf("Content\n");
1168 }
1169
1170
1171 void
1172 on_about_activate                      (GtkMenuItem     *menuitem,
1173                                         gpointer         user_data)
1174 {
1175   g_printf("About...\n");
1176 }
1177
1178
1179 void
1180 on_button_new_clicked                  (GtkButton       *button,
1181                                         gpointer         user_data)
1182 {
1183   create_new_window((GtkWidget*)button, user_data, TRUE);
1184 }
1185
1186 void
1187 on_button_new_tab_clicked              (GtkButton       *button,
1188                                         gpointer         user_data)
1189 {
1190   create_new_tab((GtkWidget*)button, user_data);
1191 }
1192
1193 void
1194 on_button_open_clicked                 (GtkButton       *button,
1195                                         gpointer         user_data)
1196 {
1197   open_traceset((GtkWidget*)button, user_data);
1198 }
1199
1200
1201 void
1202 on_button_add_trace_clicked            (GtkButton       *button,
1203                                         gpointer         user_data)
1204 {
1205   add_trace((GtkWidget*)button, user_data);
1206 }
1207
1208
1209 void
1210 on_button_remove_trace_clicked         (GtkButton       *button,
1211                                         gpointer         user_data)
1212 {
1213   remove_trace((GtkWidget*)button, user_data);
1214 }
1215
1216
1217 void
1218 on_button_save_clicked                 (GtkButton       *button,
1219                                         gpointer         user_data)
1220 {
1221   save((GtkWidget*)button, user_data);
1222 }
1223
1224
1225 void
1226 on_button_save_as_clicked              (GtkButton       *button,
1227                                         gpointer         user_data)
1228 {
1229   save_as((GtkWidget*)button, user_data);
1230 }
1231
1232
1233 void
1234 on_button_zoom_in_clicked              (GtkButton       *button,
1235                                         gpointer         user_data)
1236 {
1237    zoom_in((GtkWidget*)button, user_data);
1238 }
1239
1240
1241 void
1242 on_button_zoom_out_clicked             (GtkButton       *button,
1243                                         gpointer         user_data)
1244 {
1245    zoom_out((GtkWidget*)button, user_data);
1246 }
1247
1248
1249 void
1250 on_button_zoom_extended_clicked        (GtkButton       *button,
1251                                         gpointer         user_data)
1252 {
1253    zoom_extended((GtkWidget*)button, user_data);
1254 }
1255
1256
1257 void
1258 on_button_go_to_time_clicked           (GtkButton       *button,
1259                                         gpointer         user_data)
1260 {
1261    go_to_time((GtkWidget*)button, user_data);
1262 }
1263
1264
1265 void
1266 on_button_show_time_frame_clicked      (GtkButton       *button,
1267                                         gpointer         user_data)
1268 {
1269    show_time_frame((GtkWidget*)button, user_data);
1270 }
1271
1272
1273 void
1274 on_button_move_up_clicked              (GtkButton       *button,
1275                                         gpointer         user_data)
1276 {
1277   move_up_viewer((GtkWidget*)button, user_data);
1278 }
1279
1280
1281 void
1282 on_button_move_down_clicked            (GtkButton       *button,
1283                                         gpointer         user_data)
1284 {
1285   move_down_viewer((GtkWidget*)button, user_data);
1286 }
1287
1288
1289 void
1290 on_button_delete_viewer_clicked        (GtkButton       *button,
1291                                         gpointer         user_data)
1292 {
1293   delete_viewer((GtkWidget*)button, user_data);
1294 }
1295
1296 void
1297 on_MWindow_destroy                     (GtkObject       *object,
1298                                         gpointer         user_data)
1299 {
1300   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1301   GtkWidget  *widget;
1302   Tab *tab = Main_Window->tab;
1303
1304   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1305
1306   g_win_count--;
1307   if(g_win_count == 0)
1308     gtk_main_quit ();
1309 }
1310
1311 gboolean
1312 on_MWindow_configure                   (GtkWidget         *widget,
1313                                         GdkEventConfigure *event,
1314                                         gpointer           user_data)
1315 {
1316   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1317   float width = event->width;
1318   Tab * tab = mw_data->tab;
1319   TimeWindow time_win;
1320   double ratio;
1321   TimeInterval *time_span;
1322   LttTime time;
1323
1324         // MD : removed time width modification upon resizing of the main window.
1325         // The viewers will redraw themselves completely, without time interval
1326         // modification.
1327 /*  while(tab){
1328     if(mw_data->window_width){
1329       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1330       time_win = tab->time_window;
1331       ratio = width / mw_data->window_width;
1332       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1333       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1334       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1335         tab->time_window.time_width = time;
1336       }
1337     }
1338     tab = tab->next;
1339   }
1340
1341   mw_data->window_width = (int)width;
1342         */
1343   return FALSE;
1344 }
1345
1346
1347 /* Set current tab
1348  */
1349
1350 void
1351 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1352                                         GtkNotebookPage *page,
1353                                         guint            page_num,
1354                                         gpointer         user_data)
1355 {
1356   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1357   Tab * tab = mw->tab;
1358
1359   while(page_num){
1360     tab = tab->next;
1361     page_num--;
1362   }
1363   mw->current_tab = tab;
1364 }
1365
1366
1367 /* callback function to check or uncheck the check box (filter)
1368  */
1369
1370 void checkbox_changed(GtkTreeView *treeview,
1371                       GtkTreePath *arg1,
1372                       GtkTreeViewColumn *arg2,
1373                       gpointer user_data)
1374 {
1375   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1376   GtkTreeIter iter;
1377   gboolean value;
1378
1379   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1380     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1381     value = value? FALSE : TRUE;
1382     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1383   }
1384
1385 }
1386
1387
1388 /* According to user's selection, update selector(filter)
1389  */
1390
1391 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1392 {
1393   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1394   int i, j, k, nb_eventtype;
1395   LttvTraceSelector     * trace;
1396   LttvTracefileSelector * tracefile;
1397   LttvEventtypeSelector * eventtype;
1398   gboolean value, value1, value2;
1399
1400   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1401     i = 0;
1402     do{
1403       trace = lttv_traceset_selector_trace_get(s, i);
1404       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1405       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1406       if(value){
1407         j = 0;
1408         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1409           do{
1410             if(j<1){//eventtype selector for trace
1411               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1412               if(value2){
1413                 k=0;
1414                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1415                   do{
1416                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1417                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1418                     lttv_eventtype_selector_set_selected(eventtype,value2);
1419                     k++;
1420                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1421                 }
1422               }
1423             }else{ //tracefile selector
1424               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1425               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1426               lttv_tracefile_selector_set_selected(tracefile,value1);
1427               if(value1){
1428                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1429                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1430                 if(value2){
1431                   k = 0;
1432                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1433                     do{//eventtype selector for tracefile
1434                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1435                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1436                       lttv_eventtype_selector_set_selected(eventtype,value2);
1437                       k++;
1438                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1439                   }
1440                 }
1441               }
1442             }
1443             j++;
1444           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1445         }
1446       }
1447       lttv_trace_selector_set_selected(trace,value);
1448       i++;
1449     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1450   }
1451 }
1452
1453
1454 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1455  * eventtypes, tracefiles and traces (filter)
1456  */
1457
1458 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1459 {
1460   GtkWidget         * dialogue;
1461   GtkTreeStore      * store;
1462   GtkWidget         * tree;
1463   GtkWidget         * scroll_win;
1464   GtkCellRenderer   * renderer;
1465   GtkTreeViewColumn * column;
1466   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1467   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1468   LttvTraceSelector     * trace;
1469   LttvTracefileSelector * tracefile;
1470   LttvEventtypeSelector * eventtype;
1471   char * name;
1472   gboolean checked;
1473
1474   dialogue = gtk_dialog_new_with_buttons(title,
1475                                          NULL,
1476                                          GTK_DIALOG_MODAL,
1477                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1478                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1479                                          NULL);
1480   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1481
1482   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1483   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1484   g_object_unref (G_OBJECT (store));
1485   g_signal_connect (G_OBJECT (tree), "row-activated",
1486                     G_CALLBACK (checkbox_changed),
1487                     NULL);
1488
1489
1490   renderer = gtk_cell_renderer_toggle_new ();
1491   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1492
1493   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1494
1495   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1496                                                        renderer,
1497                                                        "active", CHECKBOX_COLUMN,
1498                                                        NULL);
1499   gtk_tree_view_column_set_alignment (column, 0.5);
1500   gtk_tree_view_column_set_fixed_width (column, 20);
1501   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1502
1503   renderer = gtk_cell_renderer_text_new ();
1504   column   = gtk_tree_view_column_new_with_attributes (column_title,
1505                                                        renderer,
1506                                                        "text", NAME_COLUMN,
1507                                                        NULL);
1508   gtk_tree_view_column_set_alignment (column, 0.0);
1509   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1510   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1511
1512   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1513   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1514                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1515   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1516
1517   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1518
1519   gtk_widget_show(scroll_win);
1520   gtk_widget_show(tree);
1521
1522   nb_trace = lttv_traceset_selector_trace_number(s);
1523   for(i=0;i<nb_trace;i++){
1524     trace = lttv_traceset_selector_trace_get(s, i);
1525     name  = lttv_trace_selector_get_name(trace);
1526     gtk_tree_store_append (store, &iter, NULL);
1527     checked = lttv_trace_selector_get_selected(trace);
1528     gtk_tree_store_set (store, &iter,
1529                         CHECKBOX_COLUMN,checked,
1530                         NAME_COLUMN,name,
1531                         -1);
1532
1533     gtk_tree_store_append (store, &child_iter, &iter);
1534     gtk_tree_store_set (store, &child_iter,
1535                         CHECKBOX_COLUMN, checked,
1536                         NAME_COLUMN,"eventtype",
1537                         -1);
1538
1539     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1540     for(j=0;j<nb_eventtype;j++){
1541       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1542       name      = lttv_eventtype_selector_get_name(eventtype);
1543       checked   = lttv_eventtype_selector_get_selected(eventtype);
1544       gtk_tree_store_append (store, &child_iter1, &child_iter);
1545       gtk_tree_store_set (store, &child_iter1,
1546                           CHECKBOX_COLUMN, checked,
1547                           NAME_COLUMN,name,
1548                           -1);
1549     }
1550
1551     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1552     for(j=0;j<nb_tracefile;j++){
1553       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1554       name      = lttv_tracefile_selector_get_name(tracefile);
1555       gtk_tree_store_append (store, &child_iter, &iter);
1556       checked = lttv_tracefile_selector_get_selected(tracefile);
1557       gtk_tree_store_set (store, &child_iter,
1558                           CHECKBOX_COLUMN, checked,
1559                           NAME_COLUMN,name,
1560                           -1);
1561
1562       gtk_tree_store_append (store, &child_iter1, &child_iter);
1563       gtk_tree_store_set (store, &child_iter1,
1564                           CHECKBOX_COLUMN, checked,
1565                           NAME_COLUMN,"eventtype",
1566                           -1);
1567
1568       for(k=0;k<nb_eventtype;k++){
1569         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1570         name      = lttv_eventtype_selector_get_name(eventtype);
1571         checked   = lttv_eventtype_selector_get_selected(eventtype);
1572         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1573         gtk_tree_store_set (store, &child_iter2,
1574                             CHECKBOX_COLUMN, checked,
1575                             NAME_COLUMN,name,
1576                             -1);
1577       }
1578     }
1579   }
1580
1581   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1582   switch(id){
1583     case GTK_RESPONSE_ACCEPT:
1584     case GTK_RESPONSE_OK:
1585       update_filter(s, store);
1586       gtk_widget_destroy(dialogue);
1587       return TRUE;
1588     case GTK_RESPONSE_REJECT:
1589     case GTK_RESPONSE_CANCEL:
1590     default:
1591       gtk_widget_destroy(dialogue);
1592       break;
1593   }
1594   return FALSE;
1595 }
1596
1597
1598 /* Select a trace which will be removed from traceset
1599  */
1600
1601 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1602 {
1603   return get_selection(all_trace_name, nb_trace,
1604                        "Select a trace", "Trace pathname");
1605 }
1606
1607
1608 /* Select a module which will be unloaded
1609  */
1610
1611 char * get_unload_module(char ** loaded_module_name, int nb_module)
1612 {
1613   return get_selection(loaded_module_name, nb_module,
1614                        "Select an unload module", "Module pathname");
1615 }
1616
1617
1618 /* Display a dialogue which shows all selectable items, let user to
1619  * select one of them
1620  */
1621
1622 char * get_selection(char ** loaded_module_name, int nb_module,
1623                      char *title, char * column_title)
1624 {
1625   GtkWidget         * dialogue;
1626   GtkWidget         * scroll_win;
1627   GtkWidget         * tree;
1628   GtkListStore      * store;
1629   GtkTreeViewColumn * column;
1630   GtkCellRenderer   * renderer;
1631   GtkTreeSelection  * select;
1632   GtkTreeIter         iter;
1633   gint                id, i;
1634   char              * unload_module_name = NULL;
1635
1636   dialogue = gtk_dialog_new_with_buttons(title,
1637                                          NULL,
1638                                          GTK_DIALOG_MODAL,
1639                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1640                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1641                                          NULL);
1642   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1643
1644   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1645   gtk_widget_show ( scroll_win);
1646   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1647                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1648
1649   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1650   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1651   gtk_widget_show ( tree);
1652   g_object_unref (G_OBJECT (store));
1653
1654   renderer = gtk_cell_renderer_text_new ();
1655   column   = gtk_tree_view_column_new_with_attributes (column_title,
1656                                                      renderer,
1657                                                      "text", MODULE_COLUMN,
1658                                                      NULL);
1659   gtk_tree_view_column_set_alignment (column, 0.5);
1660   gtk_tree_view_column_set_fixed_width (column, 150);
1661   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1662
1663   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1664   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1665
1666   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1667
1668   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1669
1670   for(i=0;i<nb_module;i++){
1671     gtk_list_store_append (store, &iter);
1672     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1673   }
1674
1675   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1676   switch(id){
1677     case GTK_RESPONSE_ACCEPT:
1678     case GTK_RESPONSE_OK:
1679       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1680           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1681       }
1682     case GTK_RESPONSE_REJECT:
1683     case GTK_RESPONSE_CANCEL:
1684     default:
1685       gtk_widget_destroy(dialogue);
1686       break;
1687   }
1688
1689   return unload_module_name;
1690 }
1691
1692
1693 /* hash funtions
1694  */
1695
1696 void main_window_destroy_hash_key(gpointer key)
1697 {
1698   g_free(key);
1699 }
1700
1701 void main_window_destroy_hash_data(gpointer data)
1702 {
1703 }
1704
1705
1706 /* Insert menu entry and tool button into all main windows for modules
1707  * It checks whether the menu entry or tool button exists or not,
1708  * if they do not exist, then construct the widget and insert them
1709  * into all main windows
1710  */
1711
1712 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1713 {
1714   int i;
1715   GdkPixbuf *pixbuf;
1716   view_constructor constructor;
1717   LttvMenus * menu;
1718   LttvToolbars * toolbar;
1719   lttv_menu_closure *menu_item;
1720   lttv_toolbar_closure *toolbar_item;
1721   LttvAttributeValue value;
1722   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1723   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1724
1725   g_assert(lttv_iattribute_find_by_path(attributes,
1726            "viewers/menu", LTTV_POINTER, &value));
1727   menu = (LttvMenus*)*(value.v_pointer);
1728
1729   if(menu){
1730     for(i=0;i<menu->len;i++){
1731       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1732       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1733       if(tmp)continue;
1734       constructor = menu_item->con;
1735       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1736       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1737       gtk_widget_show (insert_view);
1738       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1739       g_signal_connect ((gpointer) insert_view, "activate",
1740                         G_CALLBACK (insert_viewer_wrap),
1741                         constructor);
1742       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1743                           insert_view);
1744     }
1745   }
1746
1747   g_assert(lttv_iattribute_find_by_path(attributes,
1748            "viewers/toolbar", LTTV_POINTER, &value));
1749   toolbar = (LttvToolbars*)*(value.v_pointer);
1750
1751   if(toolbar){
1752     for(i=0;i<toolbar->len;i++){
1753       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1754       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1755       if(tmp)continue;
1756       constructor = toolbar_item->con;
1757       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1758       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1759       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1760       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1761                                                 GTK_TOOLBAR_CHILD_BUTTON,
1762                                                 NULL,
1763                                                 "",
1764                                                 toolbar_item->tooltip, NULL,
1765                                                 pixmap, NULL, NULL);
1766       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1767       gtk_widget_show (insert_view);
1768       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1769       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1770       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1771                           insert_view);
1772     }
1773   }
1774 }
1775
1776
1777 /* Create a main window
1778  */
1779
1780 void construct_main_window(MainWindow * parent)
1781 {
1782   g_debug("construct_main_window()");
1783   GtkWidget  * new_window; /* New generated main window */
1784   MainWindow * new_m_window;/* New main window structure */
1785   GtkNotebook * notebook;
1786   LttvIAttribute *attributes =
1787           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1788   LttvAttributeValue value;
1789
1790   new_m_window = g_new(MainWindow, 1);
1791
1792   // Add the object's information to the module's array
1793   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1794
1795
1796   new_window  = create_MWindow();
1797   gtk_widget_show (new_window);
1798
1799   new_m_window->attributes = attributes;
1800
1801   new_m_window->mwindow = new_window;
1802   new_m_window->tab = NULL;
1803   new_m_window->current_tab = NULL;
1804   new_m_window->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1805
1806   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1807                                               main_window_destroy_hash_key,
1808                                               main_window_destroy_hash_data);
1809   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1810                                               main_window_destroy_hash_key,
1811                                               main_window_destroy_hash_data);
1812
1813   insert_menu_toolbar_item(new_m_window, NULL);
1814
1815   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1816
1817   //create a default tab
1818   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1819   if(notebook == NULL){
1820     g_printf("Notebook does not exist\n");
1821     return;
1822   }
1823   //for now there is no name field in LttvTraceset structure
1824   //Use "Traceset" as the label for the default tab
1825   create_tab(parent, new_m_window, notebook,"Traceset");
1826
1827   g_object_set_data_full(
1828                         G_OBJECT(new_m_window->mwindow),
1829                         "Main_Window_Data",
1830                         new_m_window,
1831                         (GDestroyNotify)main_window_free);
1832
1833   g_win_count++;
1834 }
1835
1836
1837 /* Free the memory occupied by a tab structure
1838  * destroy the tab
1839  */
1840
1841 void tab_destructor(Tab * tab_instance)
1842 {
1843   int i, nb, ref_count;
1844   LttvTrace * trace;
1845
1846   if(tab_instance->attributes)
1847     g_object_unref(tab_instance->attributes);
1848
1849   if(tab_instance->mw->tab == tab_instance){
1850     tab_instance->mw->tab = tab_instance->next;
1851   }else{
1852     Tab * tmp1, *tmp = tab_instance->mw->tab;
1853     while(tmp != tab_instance){
1854       tmp1 = tmp;
1855       tmp = tmp->next;
1856     }
1857     tmp1->next = tab_instance->next;
1858   }
1859
1860   if(tab_instance->traceset_info->traceset_context != NULL){
1861     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
1862                                             traceset_context));
1863     g_object_unref(tab_instance->traceset_info->traceset_context);
1864   }
1865   if(tab_instance->traceset_info->traceset != NULL) {
1866     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
1867     for(i = 0 ; i < nb ; i++) {
1868       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
1869       ref_count = lttv_trace_get_ref_number(trace);
1870       if(ref_count <= 1){
1871         ltt_trace_close(lttv_trace(trace));
1872         lttv_trace_destroy(trace);
1873       }
1874       //      lttv_trace_destroy(trace);
1875     }
1876   }
1877   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
1878   g_free(tab_instance->traceset_info);
1879   g_free(tab_instance);
1880 }
1881
1882
1883 /* Create a tab and insert it into the current main window
1884  */
1885
1886 void * create_tab(MainWindow * parent, MainWindow* current_window,
1887                   GtkNotebook * notebook, char * label)
1888 {
1889   GList * list;
1890   Tab * tmp_tab;
1891   MainWindow * mw_data = current_window;
1892   LttTime tmp_time;
1893
1894   //create a new tab data structure
1895   tmp_tab = mw_data->tab;
1896   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
1897   if(!tmp_tab){
1898     mw_data->current_tab = NULL;
1899     tmp_tab = g_new(Tab,1);
1900     mw_data->tab = tmp_tab;
1901   }else{
1902     tmp_tab->next = g_new(Tab,1);
1903     tmp_tab = tmp_tab->next;
1904   }
1905
1906   //construct and initialize the traceset_info
1907   tmp_tab->traceset_info = g_new(TracesetInfo,1);
1908   if(parent){
1909     tmp_tab->traceset_info->traceset =
1910       lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
1911   }else{
1912     if(mw_data->current_tab){
1913       tmp_tab->traceset_info->traceset =
1914         lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
1915     }else{
1916       tmp_tab->traceset_info->traceset = lttv_traceset_new();
1917       /* Add the command line trace */
1918       if(g_init_trace != NULL)
1919         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
1920     }
1921   }
1922   //FIXME copy not implemented in lower level
1923   tmp_tab->traceset_info->traceset_context =
1924     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1925   lttv_context_init(
1926             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
1927                                   tmp_tab->traceset_info->traceset);
1928
1929   //determine the current_time and time_window of the tab
1930   if(mw_data->current_tab){
1931     // Will have to read directly at the main window level, as we want
1932     // to be able to modify a traceset on the fly.
1933     tmp_tab->time_window      = mw_data->current_tab->time_window;
1934     tmp_tab->current_time     = mw_data->current_tab->current_time;
1935   }else{
1936     // Will have to read directly at the main window level, as we want
1937     // to be able to modify a traceset on the fly.
1938     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
1939     tmp_tab->time_window.start_time   =
1940             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
1941     if(DEFAULT_TIME_WIDTH_S <
1942               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
1943       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
1944     else
1945       tmp_time.tv_sec =
1946               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
1947     tmp_time.tv_nsec = 0;
1948     tmp_tab->time_window.time_width = tmp_time ;
1949     tmp_tab->current_time.tv_sec =
1950        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
1951     tmp_tab->current_time.tv_nsec =
1952        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
1953   }
1954   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1955   //  mw_data->current_tab = tmp_tab;
1956   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
1957   tmp_tab->multi_vpaned->mw = mw_data;
1958   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
1959   tmp_tab->next = NULL;
1960   tmp_tab->mw   = mw_data;
1961
1962   tmp_tab->label = gtk_label_new (label);
1963   gtk_widget_show (tmp_tab->label);
1964
1965   g_object_set_data_full(
1966            G_OBJECT(tmp_tab->multi_vpaned),
1967            "Tab_Info",
1968            tmp_tab,
1969            (GDestroyNotify)tab_destructor);
1970
1971   //add state update hooks
1972   lttv_state_add_event_hooks(
1973        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
1974
1975   //insert tab into notebook
1976   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
1977   list = gtk_container_get_children(GTK_CONTAINER(notebook));
1978   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
1979   if(g_list_length(list)>1)
1980     gtk_notebook_set_show_tabs(notebook, TRUE);
1981 }
1982
1983
1984 /* Remove menu entry and tool button from main window for the
1985  * unloaded  module
1986  */
1987
1988 void remove_menu_item(gpointer main_win, gpointer user_data)
1989 {
1990   MainWindow * mw = (MainWindow *) main_win;
1991   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
1992   GtkWidget * tool_menu_title_menu, *insert_view;
1993
1994   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1995   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
1996                                                 menu_item->menuText);
1997   if(insert_view){
1998     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
1999     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2000   }
2001 }
2002
2003 void remove_toolbar_item(gpointer main_win, gpointer user_data)
2004 {
2005   MainWindow * mw = (MainWindow *) main_win;
2006   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
2007   GtkWidget * tool_menu_title_menu, *insert_view;
2008
2009
2010   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2011   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2012                                                 toolbar_item->tooltip);
2013   if(insert_view){
2014     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2015     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2016   }
2017 }
2018
2019 /**
2020  * Remove menu and toolbar item when a module unloaded from all
2021  * main windows
2022  */
2023
2024 void main_window_remove_menu_item(lttv_constructor constructor)
2025 {
2026   int i;
2027   LttvMenus * menu;
2028   lttv_menu_closure *menu_item;
2029   LttvAttributeValue value;
2030   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2031
2032   g_assert(lttv_iattribute_find_by_path(attributes,
2033            "viewers/menu", LTTV_POINTER, &value));
2034   menu = (LttvMenus*)*(value.v_pointer);
2035
2036   if(menu){
2037     for(i=0;i<menu->len;i++){
2038       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2039       if(menu_item->con != constructor) continue;
2040       if(g_main_window_list){
2041         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2042       }
2043       break;
2044     }
2045   }
2046
2047 }
2048
2049 void main_window_remove_toolbar_item(lttv_constructor constructor)
2050 {
2051   int i;
2052   LttvToolbars * toolbar;
2053   lttv_toolbar_closure *toolbar_item;
2054   LttvAttributeValue value;
2055   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2056
2057   g_assert(lttv_iattribute_find_by_path(attributes,
2058            "viewers/toolbar", LTTV_POINTER, &value));
2059   toolbar = (LttvToolbars*)*(value.v_pointer);
2060
2061   if(toolbar){
2062     for(i=0;i<toolbar->len;i++){
2063       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2064       if(toolbar_item->con != constructor) continue;
2065       if(g_main_window_list){
2066         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2067       }
2068       break;
2069     }
2070   }
2071 }