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   LttvTracesetStats* tmp_context;
 489   const char * dir;
 490   gint id;
 491   MainWindow * mw_data = get_window_data_struct(widget);
 492   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 493   gtk_dir_selection_hide_fileop_buttons(file_selector);
 494   if(remember_trace_dir[0] != '\0')
 495     gtk_dir_selection_set_filename(file_selector, remember_trace_dir);
 496
 497   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 498   switch(id){
 499     case GTK_RESPONSE_ACCEPT:
 500     case GTK_RESPONSE_OK:
 501       dir = gtk_dir_selection_get_dir (file_selector);
 502       strncpy(remember_trace_dir, dir, PATH_LENGTH);
 503       if(!dir || strlen(dir) ==0){
 504         gtk_widget_destroy((GtkWidget*)file_selector);
 505         break;
 506       }
 507       trace = ltt_trace_open(dir);
 508       if(trace == NULL) g_critical("cannot open trace %s", dir);
 509       trace_v = lttv_trace_new(trace);
 510       traceset = mw_data->current_tab->traceset_info->traceset;
 511
 512       // Keep the context until the new one is created.
 513       tmp_context = mw_data->current_tab->traceset_info->traceset_context;
 514       mw_data->current_tab->traceset_info->traceset_context = NULL;
 515
 516       lttv_traceset_add(traceset, trace_v);
 517       mw_data->current_tab->traceset_info->traceset_context =
 518                                 g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 519       lttv_context_init(
 520                 LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 521                                                             traceset_context),
 522                 traceset);
 523       //add state update hooks
 524       lttv_state_add_event_hooks(
 525       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 526       if(tmp_context != NULL)
 527       {
 528         //remove state update hooks
 529         lttv_state_remove_event_hooks(
 530            (LttvTracesetState*)tmp_context);
 531         lttv_context_fini(LTTV_TRACESET_CONTEXT(tmp_context));
 532         g_object_unref(tmp_context);
 533       }
 534
 535
 536
 537       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 538
 539       gtk_widget_destroy((GtkWidget*)file_selector);
 540
 541       //update current tab
 542       update_traceset(mw_data);
 543
 544       //get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 545       if(lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1 ||
 546          ltt_time_compare(mw_data->current_tab->current_time,
 547              LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime)<0){
 548         mw_data->current_tab->current_time =
 549            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span->startTime;
 550         mw_data->current_tab->time_window.start_time = mw_data->current_tab->current_time;
 551         mw_data->current_tab->time_window.time_width.tv_sec = DEFAULT_TIME_WIDTH_S;
 552         mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 553       }
 554
 555       redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 556       lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 557       break;
 558     case GTK_RESPONSE_REJECT:
 559     case GTK_RESPONSE_CANCEL:
 560     default:
 561       gtk_widget_destroy((GtkWidget*)file_selector);
 562       break;
 563   }
 564 }
 565
 566
 567 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 568  * selector (filter), when a trace is remove from traceset, the selector should
 569  * reflect the change. The function is used to update the selector
 570  */
 571
 572 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 573 {
 574   LttvTracesetSelector * s;
 575   LttvTraceSelector * t;
 576   GtkWidget * w;
 577
 578   w = gtk_multi_vpaned_get_first_widget(paned);
 579   while(w){
 580     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 581     if(s){
 582       t = lttv_traceset_selector_trace_get(s,i);
 583       lttv_traceset_selector_trace_remove(s, i);
 584       lttv_trace_selector_destroy(t);
 585     }g_warning("Module dose not support filtering\n");
 586     w = gtk_multi_vpaned_get_next_widget(paned);
 587   }
 588 }
 589
 590
 591 /* remove_trace removes a trace from the current traceset if all viewers in
 592  * the current tab are not interested in the trace. It first displays a
 593  * dialogue, which shows all traces in the current traceset, to let user choose
 594  * a trace, then it checks if all viewers unselect the trace, if it is true,
 595  * it will remove the trace,  recreate the traceset_contex,
 596  * and redraws all the viewer of the current tab. If there is on trace in the
 597  * current traceset, it will delete all viewers of the current tab
 598  */
 599
 600 void remove_trace(GtkWidget * widget, gpointer user_data)
 601 {
 602   LttTrace *trace;
 603   LttvTrace * trace_v;
 604   LttvTraceset * traceset;
 605   LttvTracesetStats* tmp_context;
 606   gint i, nb_trace;
 607   char ** name, *remove_trace_name;
 608   MainWindow * mw_data = get_window_data_struct(widget);
 609   LttvTracesetSelector * s;
 610   LttvTraceSelector * t;
 611   GtkWidget * w;
 612   gboolean selected;
 613
 614   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 615   name = g_new(char*,nb_trace);
 616   for(i = 0; i < nb_trace; i++){
 617     trace_v = lttv_traceset_get(mw_data->current_tab->
 618                                 traceset_info->traceset, i);
 619     trace = lttv_trace(trace_v);
 620     name[i] = ltt_trace_name(trace);
 621   }
 622
 623   remove_trace_name = get_remove_trace(name, nb_trace);
 624
 625   if(remove_trace_name){
 626     for(i=0; i<nb_trace; i++){
 627       if(strcmp(remove_trace_name,name[i]) == 0){
 628         //unselect the trace from the current viewer
 629         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 630         if(w){
 631           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 632           if(s){
 633             t = lttv_traceset_selector_trace_get(s,i);
 634             lttv_trace_selector_set_selected(t, FALSE);
 635           }
 636
 637           //check if other viewers select the trace
 638           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 639           while(w){
 640             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 641             if(s){
 642               t = lttv_traceset_selector_trace_get(s,i);
 643               selected = lttv_trace_selector_get_selected(t);
 644               if(selected)break;
 645             }
 646             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 647           }
 648         }else selected = FALSE;
 649
 650         //if no viewer selects the trace, remove it
 651         if(!selected){
 652           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 653
 654           traceset = mw_data->current_tab->traceset_info->traceset;
 655           trace_v = lttv_traceset_get(traceset, i);
 656           if(lttv_trace_get_ref_number(trace_v) <= 1)
 657             ltt_trace_close(lttv_trace(trace_v));
 658
 659     // Keep the context until the new one is created.
 660     tmp_context = mw_data->current_tab->traceset_info->traceset_context;
 661     mw_data->current_tab->traceset_info->traceset_context = NULL;
 662
 663           lttv_traceset_remove(traceset, i);
 664           if(!lttv_trace_get_ref_number(trace_v))
 665              lttv_trace_destroy(trace_v);
 666           mw_data->current_tab->traceset_info->traceset_context =
 667             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 668             lttv_context_init(
 669                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 670                                       traceset_info->traceset_context),traceset);
 671       //add state update hooks
 672       lttv_state_add_event_hooks(
 673       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 674
 675           if(tmp_context != NULL){
 676       //remove state update hooks
 677       lttv_state_remove_event_hooks(
 678            (LttvTracesetState*)tmp_context);
 679             lttv_context_fini(LTTV_TRACESET_CONTEXT(tmp_context));
 680             g_object_unref(tmp_context);
 681           }
 682
 683
 684           //update current tab
 685           update_traceset(mw_data);
 686           if(nb_trace > 1){
 687             redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
 688             lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 689           }else{
 690             if(mw_data->current_tab){
 691               while(mw_data->current_tab->multi_vpaned->num_children){
 692                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 693               }
 694             }
 695           }
 696         }
 697         break;
 698       }
 699     }
 700   }
 701
 702   g_free(name);
 703 }
 704
 705
 706 /* save will save the traceset to a file
 707  * Not implemented yet
 708  */
 709
 710 void save(GtkWidget * widget, gpointer user_data)
 711 {
 712   g_printf("Save\n");
 713 }
 714
 715 void save_as(GtkWidget * widget, gpointer user_data)
 716 {
 717   g_printf("Save as\n");
 718 }
 719
 720
 721 /* zoom will change the time_window of all the viewers of the
 722  * current tab, and redisplay them. The main functionality is to
 723  * determine the new time_window of the current tab
 724  */
 725
 726 void zoom(GtkWidget * widget, double size)
 727 {
 728   TimeInterval *time_span;
 729   TimeWindow time_window;
 730   LttTime    current_time, time_delta, time_s, time_e, time_t;
 731   MainWindow * mw_data = get_window_data_struct(widget);
 732
 733   if(size == 1) return;
 734
 735   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 736                                     traceset_info->traceset_context)->Time_Span;
 737   time_window =  mw_data->current_tab->time_window;
 738   current_time = mw_data->current_tab->current_time;
 739
 740   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 741   if(size == 0){
 742     time_window.start_time = time_span->startTime;
 743     time_window.time_width = time_delta;
 744   }else{
 745     time_window.time_width = ltt_time_div(time_window.time_width, size);
 746     if(ltt_time_compare(time_window.time_width,time_delta) > 0)
 747       time_window.time_width = time_delta;
 748
 749     time_t = ltt_time_div(time_window.time_width, 2);
 750     if(ltt_time_compare(current_time, time_t) < 0){
 751       time_s = time_span->startTime;
 752     } else {
 753       time_s = ltt_time_sub(current_time,time_t);
 754     }
 755     time_e = ltt_time_add(current_time,time_t);
 756     if(ltt_time_compare(time_span->startTime, time_s) > 0){
 757       time_s = time_span->startTime;
 758     }else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 759       time_e = time_span->endTime;
 760       time_s = ltt_time_sub(time_e,time_window.time_width);
 761     }
 762     time_window.start_time = time_s;
 763   }
 764   redraw_viewer(mw_data, &time_window);
 765   lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 766   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, FALSE);
 767 }
 768
 769 void zoom_in(GtkWidget * widget, gpointer user_data)
 770 {
 771   zoom(widget, 2);
 772 }
 773
 774 void zoom_out(GtkWidget * widget, gpointer user_data)
 775 {
 776   zoom(widget, 0.5);
 777 }
 778
 779 void zoom_extended(GtkWidget * widget, gpointer user_data)
 780 {
 781   zoom(widget, 0);
 782 }
 783
 784 void go_to_time(GtkWidget * widget, gpointer user_data)
 785 {
 786   g_printf("Go to time\n");
 787 }
 788
 789 void show_time_frame(GtkWidget * widget, gpointer user_data)
 790 {
 791   g_printf("Show time frame\n");
 792 }
 793
 794
 795 /* callback function */
 796
 797 void
 798 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 799                                         gpointer         user_data)
 800 {
 801   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 802 }
 803
 804
 805 void
 806 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 807                                         gpointer         user_data)
 808 {
 809   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 810 }
 811
 812
 813 /* create_new_tab calls create_tab to construct a new tab in the main window
 814  */
 815
 816 void create_new_tab(GtkWidget* widget, gpointer user_data){
 817   gchar label[PATH_LENGTH];
 818   MainWindow * mw_data = get_window_data_struct(widget);
 819   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 820   if(notebook == NULL){
 821     g_printf("Notebook does not exist\n");
 822     return;
 823   }
 824
 825   strcpy(label,"Page");
 826   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 827     create_tab (mw_data, mw_data, notebook, label);
 828 }
 829
 830 void
 831 on_tab_activate                        (GtkMenuItem     *menuitem,
 832                                         gpointer         user_data)
 833 {
 834   create_new_tab((GtkWidget*)menuitem, user_data);
 835 }
 836
 837
 838 void
 839 on_open_activate                       (GtkMenuItem     *menuitem,
 840                                         gpointer         user_data)
 841 {
 842   open_traceset((GtkWidget*)menuitem, user_data);
 843 }
 844
 845
 846 void
 847 on_close_activate                      (GtkMenuItem     *menuitem,
 848                                         gpointer         user_data)
 849 {
 850   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 851   main_window_destructor(mw_data);
 852 }
 853
 854
 855 /* remove the current tab from the main window if it is not the default tab
 856  */
 857
 858 void
 859 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 860                                         gpointer         user_data)
 861 {
 862   GList * list;
 863   int count = 0;
 864   GtkWidget * notebook;
 865   Tab * tmp;
 866   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 867   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 868   if(notebook == NULL){
 869     g_printf("Notebook does not exist\n");
 870     return;
 871   }
 872
 873   if(mw_data->tab == mw_data->current_tab){
 874     //    tmp = mw_data->current_tb;
 875     //    mw_data->tab = mw_data->current_tab->next;
 876     g_printf("The default TAB can not be deleted\n");
 877     return;
 878   }else{
 879     tmp = mw_data->tab;
 880     while(tmp != mw_data->current_tab){
 881       tmp = tmp->next;
 882       count++;
 883     }
 884   }
 885
 886   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
 887   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 888   if(g_list_length(list)==1)
 889     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
 890 }
 891
 892
 893 void
 894 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 895                                         gpointer         user_data)
 896 {
 897   add_trace((GtkWidget*)menuitem, user_data);
 898 }
 899
 900
 901 void
 902 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 903                                         gpointer         user_data)
 904 {
 905   remove_trace((GtkWidget*)menuitem, user_data);
 906 }
 907
 908
 909 void
 910 on_save_activate                       (GtkMenuItem     *menuitem,
 911                                         gpointer         user_data)
 912 {
 913   save((GtkWidget*)menuitem, user_data);
 914 }
 915
 916
 917 void
 918 on_save_as_activate                    (GtkMenuItem     *menuitem,
 919                                         gpointer         user_data)
 920 {
 921   save_as((GtkWidget*)menuitem, user_data);
 922 }
 923
 924
 925 void
 926 on_quit_activate                       (GtkMenuItem     *menuitem,
 927                                         gpointer         user_data)
 928 {
 929   gtk_main_quit ();
 930 }
 931
 932
 933 void
 934 on_cut_activate                        (GtkMenuItem     *menuitem,
 935                                         gpointer         user_data)
 936 {
 937   g_printf("Cut\n");
 938 }
 939
 940
 941 void
 942 on_copy_activate                       (GtkMenuItem     *menuitem,
 943                                         gpointer         user_data)
 944 {
 945   g_printf("Copye\n");
 946 }
 947
 948
 949 void
 950 on_paste_activate                      (GtkMenuItem     *menuitem,
 951                                         gpointer         user_data)
 952 {
 953   g_printf("Paste\n");
 954 }
 955
 956
 957 void
 958 on_delete_activate                     (GtkMenuItem     *menuitem,
 959                                         gpointer         user_data)
 960 {
 961   g_printf("Delete\n");
 962 }
 963
 964
 965 void
 966 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 967                                         gpointer         user_data)
 968 {
 969    zoom_in((GtkWidget*)menuitem, user_data);
 970 }
 971
 972
 973 void
 974 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 975                                         gpointer         user_data)
 976 {
 977    zoom_out((GtkWidget*)menuitem, user_data);
 978 }
 979
 980
 981 void
 982 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 983                                         gpointer         user_data)
 984 {
 985    zoom_extended((GtkWidget*)menuitem, user_data);
 986 }
 987
 988
 989 void
 990 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 991                                         gpointer         user_data)
 992 {
 993    go_to_time((GtkWidget*)menuitem, user_data);
 994 }
 995
 996
 997 void
 998 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 999                                         gpointer         user_data)
1000 {
1001    show_time_frame((GtkWidget*)menuitem, user_data);
1002 }
1003
1004
1005 void
1006 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
1007                                         gpointer         user_data)
1008 {
1009   move_up_viewer((GtkWidget*)menuitem, user_data);
1010 }
1011
1012
1013 void
1014 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
1015                                         gpointer         user_data)
1016 {
1017   move_down_viewer((GtkWidget*)menuitem, user_data);
1018 }
1019
1020
1021 void
1022 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
1023                                         gpointer         user_data)
1024 {
1025   delete_viewer((GtkWidget*)menuitem, user_data);
1026 }
1027
1028 void
1029 on_trace_filter_activate              (GtkMenuItem     *menuitem,
1030                                         gpointer         user_data)
1031 {
1032   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1033   LttvTracesetSelector * s;
1034   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
1035
1036   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1037   if(!s){
1038     g_printf("There is no viewer yet\n");
1039     return;
1040   }
1041   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1042     update_traceset(mw_data);
1043     redraw_viewer(mw_data, &(mw_data->current_tab->time_window));
1044     lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
1045   }
1046 }
1047
1048 void
1049 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1050                                         gpointer         user_data)
1051 {
1052   g_printf("Trace facility selector: %s\n");
1053 }
1054
1055
1056 /* Dispaly a file selection dialogue to let user select a module, then call
1057  * lttv_module_load(), finally insert tool button and menu entry in the main window
1058  * for the loaded  module
1059  */
1060
1061 void
1062 on_load_module_activate                (GtkMenuItem     *menuitem,
1063                                         gpointer         user_data)
1064 {
1065   char ** dir;
1066   gint id;
1067   char str[PATH_LENGTH], *str1;
1068   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1069   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1070   if(remember_plugins_dir[0] != '\0')
1071     gtk_file_selection_set_filename(file_selector, remember_plugins_dir);
1072   gtk_file_selection_hide_fileop_buttons(file_selector);
1073
1074   str[0] = '\0';
1075   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1076   switch(id){
1077     case GTK_RESPONSE_ACCEPT:
1078     case GTK_RESPONSE_OK:
1079       dir = gtk_file_selection_get_selections (file_selector);
1080       strncpy(str,dir[0],PATH_LENGTH);
1081       strncpy(remember_plugins_dir,dir[0],PATH_LENGTH);
1082       str1 = strrchr(str,'/');
1083       if(str1)str1++;
1084       else{
1085         str1 = strrchr(str,'\\');
1086         str1++;
1087       }
1088       lttv_module_require(str1, NULL);
1089       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1090           NULL);
1091       g_strfreev(dir);
1092     case GTK_RESPONSE_REJECT:
1093     case GTK_RESPONSE_CANCEL:
1094     default:
1095       gtk_widget_destroy((GtkWidget*)file_selector);
1096       break;
1097   }
1098   g_printf("Load module: %s\n", str);
1099 }
1100
1101
1102 /* Display all loaded modules, let user to select a module to unload
1103  * by calling lttv_module_unload
1104  */
1105
1106 void
1107 on_unload_module_activate              (GtkMenuItem     *menuitem,
1108                                         gpointer         user_data)
1109 {
1110   int i;
1111   GPtrArray *name;
1112   char *unload_module_name;
1113   guint nb;
1114   LttvLibrary *library;
1115   LttvLibraryInfo library_info;
1116   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1117
1118   name  = g_ptr_array_new();
1119   nb = lttv_library_number();
1120
1121   for(i=0;i<nb;i++){
1122     library = lttv_library_get(i);
1123     lttv_library_info(library, &library_info);
1124     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1125   }
1126
1127   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1128
1129   if(unload_module_name){
1130     for(i=0;i<nb;i++){
1131       library = lttv_library_get(i);
1132       lttv_library_info(library, &library_info);
1133       if(strcmp(unload_module_name, library_info.name) == 0){
1134         lttv_library_unload(library);
1135         break;
1136       }
1137     }
1138   }
1139
1140   g_ptr_array_free(name, TRUE);
1141 }
1142
1143
1144 /* Display a directory dialogue to let user select a path for module searching
1145  */
1146
1147 void
1148 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1149                                         gpointer         user_data)
1150 {
1151   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1152   const char * dir;
1153   gint id;
1154
1155   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1156   if(remember_plugins_dir[0] != '\0')
1157     gtk_dir_selection_set_filename(file_selector, remember_plugins_dir);
1158
1159   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1160   switch(id){
1161     case GTK_RESPONSE_ACCEPT:
1162     case GTK_RESPONSE_OK:
1163       dir = gtk_dir_selection_get_dir (file_selector);
1164       strncpy(remember_plugins_dir,dir,PATH_LENGTH);
1165       strncat(remember_plugins_dir,"/",PATH_LENGTH);
1166       lttv_library_path_add(dir);
1167     case GTK_RESPONSE_REJECT:
1168     case GTK_RESPONSE_CANCEL:
1169     default:
1170       gtk_widget_destroy((GtkWidget*)file_selector);
1171       break;
1172   }
1173 }
1174
1175
1176 void
1177 on_color_activate                      (GtkMenuItem     *menuitem,
1178                                         gpointer         user_data)
1179 {
1180   g_printf("Color\n");
1181 }
1182
1183
1184 void
1185 on_filter_activate                     (GtkMenuItem     *menuitem,
1186                                         gpointer         user_data)
1187 {
1188   g_printf("Filter\n");
1189 }
1190
1191
1192 void
1193 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1194                                         gpointer         user_data)
1195 {
1196   g_printf("Save configuration\n");
1197 }
1198
1199
1200 void
1201 on_content_activate                    (GtkMenuItem     *menuitem,
1202                                         gpointer         user_data)
1203 {
1204   g_printf("Content\n");
1205 }
1206
1207
1208 void
1209 on_about_activate                      (GtkMenuItem     *menuitem,
1210                                         gpointer         user_data)
1211 {
1212   g_printf("About...\n");
1213 }
1214
1215
1216 void
1217 on_button_new_clicked                  (GtkButton       *button,
1218                                         gpointer         user_data)
1219 {
1220   create_new_window((GtkWidget*)button, user_data, TRUE);
1221 }
1222
1223 void
1224 on_button_new_tab_clicked              (GtkButton       *button,
1225                                         gpointer         user_data)
1226 {
1227   create_new_tab((GtkWidget*)button, user_data);
1228 }
1229
1230 void
1231 on_button_open_clicked                 (GtkButton       *button,
1232                                         gpointer         user_data)
1233 {
1234   open_traceset((GtkWidget*)button, user_data);
1235 }
1236
1237
1238 void
1239 on_button_add_trace_clicked            (GtkButton       *button,
1240                                         gpointer         user_data)
1241 {
1242   add_trace((GtkWidget*)button, user_data);
1243 }
1244
1245
1246 void
1247 on_button_remove_trace_clicked         (GtkButton       *button,
1248                                         gpointer         user_data)
1249 {
1250   remove_trace((GtkWidget*)button, user_data);
1251 }
1252
1253
1254 void
1255 on_button_save_clicked                 (GtkButton       *button,
1256                                         gpointer         user_data)
1257 {
1258   save((GtkWidget*)button, user_data);
1259 }
1260
1261
1262 void
1263 on_button_save_as_clicked              (GtkButton       *button,
1264                                         gpointer         user_data)
1265 {
1266   save_as((GtkWidget*)button, user_data);
1267 }
1268
1269
1270 void
1271 on_button_zoom_in_clicked              (GtkButton       *button,
1272                                         gpointer         user_data)
1273 {
1274    zoom_in((GtkWidget*)button, user_data);
1275 }
1276
1277
1278 void
1279 on_button_zoom_out_clicked             (GtkButton       *button,
1280                                         gpointer         user_data)
1281 {
1282    zoom_out((GtkWidget*)button, user_data);
1283 }
1284
1285
1286 void
1287 on_button_zoom_extended_clicked        (GtkButton       *button,
1288                                         gpointer         user_data)
1289 {
1290    zoom_extended((GtkWidget*)button, user_data);
1291 }
1292
1293
1294 void
1295 on_button_go_to_time_clicked           (GtkButton       *button,
1296                                         gpointer         user_data)
1297 {
1298    go_to_time((GtkWidget*)button, user_data);
1299 }
1300
1301
1302 void
1303 on_button_show_time_frame_clicked      (GtkButton       *button,
1304                                         gpointer         user_data)
1305 {
1306    show_time_frame((GtkWidget*)button, user_data);
1307 }
1308
1309
1310 void
1311 on_button_move_up_clicked              (GtkButton       *button,
1312                                         gpointer         user_data)
1313 {
1314   move_up_viewer((GtkWidget*)button, user_data);
1315 }
1316
1317
1318 void
1319 on_button_move_down_clicked            (GtkButton       *button,
1320                                         gpointer         user_data)
1321 {
1322   move_down_viewer((GtkWidget*)button, user_data);
1323 }
1324
1325
1326 void
1327 on_button_delete_viewer_clicked        (GtkButton       *button,
1328                                         gpointer         user_data)
1329 {
1330   delete_viewer((GtkWidget*)button, user_data);
1331 }
1332
1333 void
1334 on_MWindow_destroy                     (GtkObject       *object,
1335                                         gpointer         user_data)
1336 {
1337   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1338   GtkWidget  *widget;
1339   Tab *tab = Main_Window->tab;
1340
1341   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1342
1343   g_win_count--;
1344   if(g_win_count == 0)
1345     gtk_main_quit ();
1346 }
1347
1348 gboolean
1349 on_MWindow_configure                   (GtkWidget         *widget,
1350                                         GdkEventConfigure *event,
1351                                         gpointer           user_data)
1352 {
1353   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1354   float width = event->width;
1355   Tab * tab = mw_data->tab;
1356   TimeWindow time_win;
1357   double ratio;
1358   TimeInterval *time_span;
1359   LttTime time;
1360
1361         // MD : removed time width modification upon resizing of the main window.
1362         // The viewers will redraw themselves completely, without time interval
1363         // modification.
1364 /*  while(tab){
1365     if(mw_data->window_width){
1366       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1367       time_win = tab->time_window;
1368       ratio = width / mw_data->window_width;
1369       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1370       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1371       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1372         tab->time_window.time_width = time;
1373       }
1374     }
1375     tab = tab->next;
1376   }
1377
1378   mw_data->window_width = (int)width;
1379         */
1380   return FALSE;
1381 }
1382
1383
1384 /* Set current tab
1385  */
1386
1387 void
1388 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1389                                         GtkNotebookPage *page,
1390                                         guint            page_num,
1391                                         gpointer         user_data)
1392 {
1393   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1394   Tab * tab = mw->tab;
1395
1396   while(page_num){
1397     tab = tab->next;
1398     page_num--;
1399   }
1400   mw->current_tab = tab;
1401 }
1402
1403
1404 /* callback function to check or uncheck the check box (filter)
1405  */
1406
1407 void checkbox_changed(GtkTreeView *treeview,
1408                       GtkTreePath *arg1,
1409                       GtkTreeViewColumn *arg2,
1410                       gpointer user_data)
1411 {
1412   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1413   GtkTreeIter iter;
1414   gboolean value;
1415
1416   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1417     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1418     value = value? FALSE : TRUE;
1419     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1420   }
1421
1422 }
1423
1424
1425 /* According to user's selection, update selector(filter)
1426  */
1427
1428 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1429 {
1430   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1431   int i, j, k, nb_eventtype;
1432   LttvTraceSelector     * trace;
1433   LttvTracefileSelector * tracefile;
1434   LttvEventtypeSelector * eventtype;
1435   gboolean value, value1, value2;
1436
1437   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1438     i = 0;
1439     do{
1440       trace = lttv_traceset_selector_trace_get(s, i);
1441       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1442       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1443       if(value){
1444         j = 0;
1445         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1446           do{
1447             if(j<1){//eventtype selector for trace
1448               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1449               if(value2){
1450                 k=0;
1451                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1452                   do{
1453                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1454                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1455                     lttv_eventtype_selector_set_selected(eventtype,value2);
1456                     k++;
1457                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1458                 }
1459               }
1460             }else{ //tracefile selector
1461               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1462               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1463               lttv_tracefile_selector_set_selected(tracefile,value1);
1464               if(value1){
1465                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1466                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1467                 if(value2){
1468                   k = 0;
1469                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1470                     do{//eventtype selector for tracefile
1471                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1472                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1473                       lttv_eventtype_selector_set_selected(eventtype,value2);
1474                       k++;
1475                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1476                   }
1477                 }
1478               }
1479             }
1480             j++;
1481           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1482         }
1483       }
1484       lttv_trace_selector_set_selected(trace,value);
1485       i++;
1486     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1487   }
1488 }
1489
1490
1491 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1492  * eventtypes, tracefiles and traces (filter)
1493  */
1494
1495 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1496 {
1497   GtkWidget         * dialogue;
1498   GtkTreeStore      * store;
1499   GtkWidget         * tree;
1500   GtkWidget         * scroll_win;
1501   GtkCellRenderer   * renderer;
1502   GtkTreeViewColumn * column;
1503   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1504   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1505   LttvTraceSelector     * trace;
1506   LttvTracefileSelector * tracefile;
1507   LttvEventtypeSelector * eventtype;
1508   char * name;
1509   gboolean checked;
1510
1511   dialogue = gtk_dialog_new_with_buttons(title,
1512                                          NULL,
1513                                          GTK_DIALOG_MODAL,
1514                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1515                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1516                                          NULL);
1517   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1518
1519   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1520   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1521   g_object_unref (G_OBJECT (store));
1522   g_signal_connect (G_OBJECT (tree), "row-activated",
1523                     G_CALLBACK (checkbox_changed),
1524                     NULL);
1525
1526
1527   renderer = gtk_cell_renderer_toggle_new ();
1528   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1529
1530   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1531
1532   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1533                                                        renderer,
1534                                                        "active", CHECKBOX_COLUMN,
1535                                                        NULL);
1536   gtk_tree_view_column_set_alignment (column, 0.5);
1537   gtk_tree_view_column_set_fixed_width (column, 20);
1538   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1539
1540   renderer = gtk_cell_renderer_text_new ();
1541   column   = gtk_tree_view_column_new_with_attributes (column_title,
1542                                                        renderer,
1543                                                        "text", NAME_COLUMN,
1544                                                        NULL);
1545   gtk_tree_view_column_set_alignment (column, 0.0);
1546   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1547   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1548
1549   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1550   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1551                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1552   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1553
1554   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1555
1556   gtk_widget_show(scroll_win);
1557   gtk_widget_show(tree);
1558
1559   nb_trace = lttv_traceset_selector_trace_number(s);
1560   for(i=0;i<nb_trace;i++){
1561     trace = lttv_traceset_selector_trace_get(s, i);
1562     name  = lttv_trace_selector_get_name(trace);
1563     gtk_tree_store_append (store, &iter, NULL);
1564     checked = lttv_trace_selector_get_selected(trace);
1565     gtk_tree_store_set (store, &iter,
1566                         CHECKBOX_COLUMN,checked,
1567                         NAME_COLUMN,name,
1568                         -1);
1569
1570     gtk_tree_store_append (store, &child_iter, &iter);
1571     gtk_tree_store_set (store, &child_iter,
1572                         CHECKBOX_COLUMN, checked,
1573                         NAME_COLUMN,"eventtype",
1574                         -1);
1575
1576     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1577     for(j=0;j<nb_eventtype;j++){
1578       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1579       name      = lttv_eventtype_selector_get_name(eventtype);
1580       checked   = lttv_eventtype_selector_get_selected(eventtype);
1581       gtk_tree_store_append (store, &child_iter1, &child_iter);
1582       gtk_tree_store_set (store, &child_iter1,
1583                           CHECKBOX_COLUMN, checked,
1584                           NAME_COLUMN,name,
1585                           -1);
1586     }
1587
1588     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1589     for(j=0;j<nb_tracefile;j++){
1590       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1591       name      = lttv_tracefile_selector_get_name(tracefile);
1592       gtk_tree_store_append (store, &child_iter, &iter);
1593       checked = lttv_tracefile_selector_get_selected(tracefile);
1594       gtk_tree_store_set (store, &child_iter,
1595                           CHECKBOX_COLUMN, checked,
1596                           NAME_COLUMN,name,
1597                           -1);
1598
1599       gtk_tree_store_append (store, &child_iter1, &child_iter);
1600       gtk_tree_store_set (store, &child_iter1,
1601                           CHECKBOX_COLUMN, checked,
1602                           NAME_COLUMN,"eventtype",
1603                           -1);
1604
1605       for(k=0;k<nb_eventtype;k++){
1606         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1607         name      = lttv_eventtype_selector_get_name(eventtype);
1608         checked   = lttv_eventtype_selector_get_selected(eventtype);
1609         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1610         gtk_tree_store_set (store, &child_iter2,
1611                             CHECKBOX_COLUMN, checked,
1612                             NAME_COLUMN,name,
1613                             -1);
1614       }
1615     }
1616   }
1617
1618   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1619   switch(id){
1620     case GTK_RESPONSE_ACCEPT:
1621     case GTK_RESPONSE_OK:
1622       update_filter(s, store);
1623       gtk_widget_destroy(dialogue);
1624       return TRUE;
1625     case GTK_RESPONSE_REJECT:
1626     case GTK_RESPONSE_CANCEL:
1627     default:
1628       gtk_widget_destroy(dialogue);
1629       break;
1630   }
1631   return FALSE;
1632 }
1633
1634
1635 /* Select a trace which will be removed from traceset
1636  */
1637
1638 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1639 {
1640   return get_selection(all_trace_name, nb_trace,
1641                        "Select a trace", "Trace pathname");
1642 }
1643
1644
1645 /* Select a module which will be unloaded
1646  */
1647
1648 char * get_unload_module(char ** loaded_module_name, int nb_module)
1649 {
1650   return get_selection(loaded_module_name, nb_module,
1651                        "Select an unload module", "Module pathname");
1652 }
1653
1654
1655 /* Display a dialogue which shows all selectable items, let user to
1656  * select one of them
1657  */
1658
1659 char * get_selection(char ** loaded_module_name, int nb_module,
1660                      char *title, char * column_title)
1661 {
1662   GtkWidget         * dialogue;
1663   GtkWidget         * scroll_win;
1664   GtkWidget         * tree;
1665   GtkListStore      * store;
1666   GtkTreeViewColumn * column;
1667   GtkCellRenderer   * renderer;
1668   GtkTreeSelection  * select;
1669   GtkTreeIter         iter;
1670   gint                id, i;
1671   char              * unload_module_name = NULL;
1672
1673   dialogue = gtk_dialog_new_with_buttons(title,
1674                                          NULL,
1675                                          GTK_DIALOG_MODAL,
1676                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1677                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1678                                          NULL);
1679   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1680
1681   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1682   gtk_widget_show ( scroll_win);
1683   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1684                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1685
1686   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1687   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1688   gtk_widget_show ( tree);
1689   g_object_unref (G_OBJECT (store));
1690
1691   renderer = gtk_cell_renderer_text_new ();
1692   column   = gtk_tree_view_column_new_with_attributes (column_title,
1693                                                      renderer,
1694                                                      "text", MODULE_COLUMN,
1695                                                      NULL);
1696   gtk_tree_view_column_set_alignment (column, 0.5);
1697   gtk_tree_view_column_set_fixed_width (column, 150);
1698   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1699
1700   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1701   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1702
1703   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1704
1705   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1706
1707   for(i=0;i<nb_module;i++){
1708     gtk_list_store_append (store, &iter);
1709     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1710   }
1711
1712   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1713   switch(id){
1714     case GTK_RESPONSE_ACCEPT:
1715     case GTK_RESPONSE_OK:
1716       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1717           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1718       }
1719     case GTK_RESPONSE_REJECT:
1720     case GTK_RESPONSE_CANCEL:
1721     default:
1722       gtk_widget_destroy(dialogue);
1723       break;
1724   }
1725
1726   return unload_module_name;
1727 }
1728
1729
1730 /* hash funtions
1731  */
1732
1733 void main_window_destroy_hash_key(gpointer key)
1734 {
1735   g_free(key);
1736 }
1737
1738 void main_window_destroy_hash_data(gpointer data)
1739 {
1740 }
1741
1742
1743 /* Insert menu entry and tool button into all main windows for modules
1744  * It checks whether the menu entry or tool button exists or not,
1745  * if they do not exist, then construct the widget and insert them
1746  * into all main windows
1747  */
1748
1749 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1750 {
1751   int i;
1752   GdkPixbuf *pixbuf;
1753   lttvwindow_viewer_constructor constructor;
1754   LttvMenus * menu;
1755   LttvToolbars * toolbar;
1756   lttv_menu_closure *menu_item;
1757   lttv_toolbar_closure *toolbar_item;
1758   LttvAttributeValue value;
1759   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1760   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1761
1762   g_assert(lttv_iattribute_find_by_path(attributes,
1763            "viewers/menu", LTTV_POINTER, &value));
1764   menu = (LttvMenus*)*(value.v_pointer);
1765
1766   if(menu){
1767     for(i=0;i<menu->len;i++){
1768       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1769       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1770       if(tmp)continue;
1771       constructor = menu_item->con;
1772       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1773       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1774       gtk_widget_show (insert_view);
1775       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1776       g_signal_connect ((gpointer) insert_view, "activate",
1777                         G_CALLBACK (insert_viewer_wrap),
1778                         constructor);
1779       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1780                           insert_view);
1781     }
1782   }
1783
1784   g_assert(lttv_iattribute_find_by_path(attributes,
1785            "viewers/toolbar", LTTV_POINTER, &value));
1786   toolbar = (LttvToolbars*)*(value.v_pointer);
1787
1788   if(toolbar){
1789     for(i=0;i<toolbar->len;i++){
1790       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1791       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1792       if(tmp)continue;
1793       constructor = toolbar_item->con;
1794       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1795       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1796       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1797       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1798                                                 GTK_TOOLBAR_CHILD_BUTTON,
1799                                                 NULL,
1800                                                 "",
1801                                                 toolbar_item->tooltip, NULL,
1802                                                 pixmap, NULL, NULL);
1803       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1804       gtk_widget_show (insert_view);
1805       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1806       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1807       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1808                           insert_view);
1809     }
1810   }
1811 }
1812
1813
1814 /* Create a main window
1815  */
1816
1817 void construct_main_window(MainWindow * parent)
1818 {
1819   g_debug("construct_main_window()");
1820   GtkWidget  * new_window; /* New generated main window */
1821   MainWindow * new_m_window;/* New main window structure */
1822   GtkNotebook * notebook;
1823   LttvIAttribute *attributes =
1824           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1825   LttvAttributeValue value;
1826
1827   new_m_window = g_new(MainWindow, 1);
1828
1829   // Add the object's information to the module's array
1830   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1831
1832
1833   new_window  = create_MWindow();
1834   gtk_widget_show (new_window);
1835
1836   new_m_window->attributes = attributes;
1837
1838   new_m_window->mwindow = new_window;
1839   new_m_window->tab = NULL;
1840   new_m_window->current_tab = NULL;
1841   new_m_window->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1842
1843   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1844                                               main_window_destroy_hash_key,
1845                                               main_window_destroy_hash_data);
1846   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1847                                               main_window_destroy_hash_key,
1848                                               main_window_destroy_hash_data);
1849
1850   insert_menu_toolbar_item(new_m_window, NULL);
1851
1852   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1853
1854   //create a default tab
1855   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1856   if(notebook == NULL){
1857     g_printf("Notebook does not exist\n");
1858     return;
1859   }
1860   //for now there is no name field in LttvTraceset structure
1861   //Use "Traceset" as the label for the default tab
1862   create_tab(parent, new_m_window, notebook,"Traceset");
1863
1864   g_object_set_data_full(
1865                         G_OBJECT(new_m_window->mwindow),
1866                         "Main_Window_Data",
1867                         new_m_window,
1868                         (GDestroyNotify)main_window_free);
1869
1870   g_win_count++;
1871 }
1872
1873
1874 /* Free the memory occupied by a tab structure
1875  * destroy the tab
1876  */
1877
1878 void tab_destructor(Tab * tab_instance)
1879 {
1880   int i, nb, ref_count;
1881   LttvTrace * trace;
1882
1883   if(tab_instance->attributes)
1884     g_object_unref(tab_instance->attributes);
1885
1886   if(tab_instance->mw->tab == tab_instance){
1887     tab_instance->mw->tab = tab_instance->next;
1888   }else{
1889     Tab * tmp1, *tmp = tab_instance->mw->tab;
1890     while(tmp != tab_instance){
1891       tmp1 = tmp;
1892       tmp = tmp->next;
1893     }
1894     tmp1->next = tab_instance->next;
1895   }
1896
1897   if(tab_instance->traceset_info->traceset_context != NULL){
1898     //remove state update hooks
1899     lttv_state_remove_event_hooks(
1900          (LttvTracesetState*)tab_instance->traceset_info->
1901                               traceset_context);
1902     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
1903                                             traceset_context));
1904     g_object_unref(tab_instance->traceset_info->traceset_context);
1905   }
1906   if(tab_instance->traceset_info->traceset != NULL) {
1907     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
1908     for(i = 0 ; i < nb ; i++) {
1909       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
1910       ref_count = lttv_trace_get_ref_number(trace);
1911       if(ref_count <= 1){
1912         ltt_trace_close(lttv_trace(trace));
1913         lttv_trace_destroy(trace);
1914       }
1915       //      lttv_trace_destroy(trace);
1916     }
1917   }
1918   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
1919   g_free(tab_instance->traceset_info);
1920   g_free(tab_instance);
1921 }
1922
1923
1924 /* Create a tab and insert it into the current main window
1925  */
1926
1927 void * create_tab(MainWindow * parent, MainWindow* current_window,
1928                   GtkNotebook * notebook, char * label)
1929 {
1930   GList * list;
1931   Tab * tmp_tab;
1932   MainWindow * mw_data = current_window;
1933   LttTime tmp_time;
1934
1935   //create a new tab data structure
1936   tmp_tab = mw_data->tab;
1937   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
1938   if(!tmp_tab){
1939     mw_data->current_tab = NULL;
1940     tmp_tab = g_new(Tab,1);
1941     mw_data->tab = tmp_tab;
1942   }else{
1943     tmp_tab->next = g_new(Tab,1);
1944     tmp_tab = tmp_tab->next;
1945   }
1946
1947   //construct and initialize the traceset_info
1948   tmp_tab->traceset_info = g_new(TracesetInfo,1);
1949   if(parent){
1950     tmp_tab->traceset_info->traceset =
1951       lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
1952   }else{
1953     if(mw_data->current_tab){
1954       tmp_tab->traceset_info->traceset =
1955         lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
1956     }else{
1957       tmp_tab->traceset_info->traceset = lttv_traceset_new();
1958       /* Add the command line trace */
1959       if(g_init_trace != NULL)
1960         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
1961     }
1962   }
1963   //FIXME copy not implemented in lower level
1964   tmp_tab->traceset_info->traceset_context =
1965     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
1966   lttv_context_init(
1967             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
1968                                   tmp_tab->traceset_info->traceset);
1969   //add state update hooks
1970   lttv_state_add_event_hooks(
1971        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
1972
1973
1974   //determine the current_time and time_window of the tab
1975   if(mw_data->current_tab){
1976     // Will have to read directly at the main window level, as we want
1977     // to be able to modify a traceset on the fly.
1978     tmp_tab->time_window      = mw_data->current_tab->time_window;
1979     tmp_tab->current_time     = mw_data->current_tab->current_time;
1980   }else{
1981     // Will have to read directly at the main window level, as we want
1982     // to be able to modify a traceset on the fly.
1983     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
1984     tmp_tab->time_window.start_time   =
1985             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
1986     if(DEFAULT_TIME_WIDTH_S <
1987               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
1988       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
1989     else
1990       tmp_time.tv_sec =
1991               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
1992     tmp_time.tv_nsec = 0;
1993     tmp_tab->time_window.time_width = tmp_time ;
1994     tmp_tab->current_time.tv_sec =
1995        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
1996     tmp_tab->current_time.tv_nsec =
1997        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
1998   }
1999   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
2000   //  mw_data->current_tab = tmp_tab;
2001   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
2002   tmp_tab->multi_vpaned->mw = mw_data;
2003   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
2004   tmp_tab->next = NULL;
2005   tmp_tab->mw   = mw_data;
2006
2007   tmp_tab->label = gtk_label_new (label);
2008   gtk_widget_show (tmp_tab->label);
2009
2010   g_object_set_data_full(
2011            G_OBJECT(tmp_tab->multi_vpaned),
2012            "Tab_Info",
2013            tmp_tab,
2014            (GDestroyNotify)tab_destructor);
2015
2016  //insert tab into notebook
2017   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
2018   list = gtk_container_get_children(GTK_CONTAINER(notebook));
2019   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
2020   if(g_list_length(list)>1)
2021     gtk_notebook_set_show_tabs(notebook, TRUE);
2022 }
2023
2024
2025 /* Remove menu entry and tool button from main window for the
2026  * unloaded  module
2027  */
2028
2029 void remove_menu_item(gpointer main_win, gpointer user_data)
2030 {
2031   MainWindow * mw = (MainWindow *) main_win;
2032   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
2033   GtkWidget * tool_menu_title_menu, *insert_view;
2034
2035   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
2036   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
2037                                                 menu_item->menuText);
2038   if(insert_view){
2039     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
2040     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2041   }
2042 }
2043
2044 void remove_toolbar_item(gpointer main_win, gpointer user_data)
2045 {
2046   MainWindow * mw = (MainWindow *) main_win;
2047   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
2048   GtkWidget * tool_menu_title_menu, *insert_view;
2049
2050
2051   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2052   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2053                                                 toolbar_item->tooltip);
2054   if(insert_view){
2055     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2056     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2057   }
2058 }
2059
2060 /**
2061  * Remove menu and toolbar item when a module unloaded from all
2062  * main windows
2063  */
2064
2065 void main_window_remove_menu_item(lttvwindow_viewer_constructor constructor)
2066 {
2067   int i;
2068   LttvMenus * menu;
2069   lttv_menu_closure *menu_item;
2070   LttvAttributeValue value;
2071   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2072
2073   g_assert(lttv_iattribute_find_by_path(attributes,
2074            "viewers/menu", LTTV_POINTER, &value));
2075   menu = (LttvMenus*)*(value.v_pointer);
2076
2077   if(menu){
2078     for(i=0;i<menu->len;i++){
2079       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2080       if(menu_item->con != constructor) continue;
2081       if(g_main_window_list){
2082         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2083       }
2084       break;
2085     }
2086   }
2087
2088 }
2089
2090 void main_window_remove_toolbar_item(lttvwindow_viewer_constructor constructor)
2091 {
2092   int i;
2093   LttvToolbars * toolbar;
2094   lttv_toolbar_closure *toolbar_item;
2095   LttvAttributeValue value;
2096   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2097
2098   g_assert(lttv_iattribute_find_by_path(attributes,
2099            "viewers/toolbar", LTTV_POINTER, &value));
2100   toolbar = (LttvToolbars*)*(value.v_pointer);
2101
2102   if(toolbar){
2103     for(i=0;i<toolbar->len;i++){
2104       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2105       if(toolbar_item->con != constructor) continue;
2106       if(g_main_window_list){
2107         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2108       }
2109       break;
2110     }
2111   }
2112 }