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

   1 #ifdef HAVE_CONFIG_H
   2 #  include <config.h>
   3 #endif
   4
   5 #include <gtk/gtk.h>
   6 #include <gmodule.h>
   7
   8 #include "callbacks.h"
   9 #include "interface.h"
  10 #include "support.h"
  11 #include <lttv/mainWindow.h>
  12 #include <lttv/menu.h>
  13 #include <lttv/toolbar.h>
  14
  15 extern systemView * gSysView;
  16
  17 mainWindow * get_window_data_struct(GtkWidget * widget);
  18
  19 /* test part */
  20 void insertView(GtkWidget* widget, view_constructor constructor);
  21
  22 void
  23 on_textview1_grab_focus                     (GtkTextView     *text_view,
  24                                           gpointer         user_data)
  25 {
  26   GtkWidget * widget;
  27   GtkCustom * custom = (GtkCustom*)user_data;
  28   widget = gtk_widget_get_parent((GtkWidget*)text_view);
  29   widget = gtk_widget_get_parent(widget);
  30   gtk_custom_set_focus((GtkWidget*)custom, (gpointer)widget);
  31 }
  32
  33 void
  34 insertViewTest(GtkMenuItem *menuitem, gpointer user_data)
  35 {
  36   guint val = 20;
  37   insertView((GtkWidget*)menuitem, (view_constructor)user_data);
  38   //  selected_hook(&val);
  39 }
  40
  41 void
  42 on_insert_viewer_test_activate         (GtkMenuItem     *menuitem,
  43                                         gpointer         user_data)
  44 {
  45   GtkWidget *scrolledwindow1, *textview1, *label;
  46   static int count = 0;
  47   char str[64];
  48   GtkCustom * custom;
  49   GtkTextBuffer* buf;
  50
  51   mainWindow * mwData;
  52   mwData = get_window_data_struct((GtkWidget*)menuitem);
  53   if(!mwData->CurrentTab) return;
  54   custom = mwData->CurrentTab->custom;
  55
  56   sprintf(str,"label : %d",++count);
  57   scrolledwindow1 = gtk_scrolled_window_new (NULL, NULL);
  58   gtk_widget_show (scrolledwindow1);
  59   label = gtk_label_new(str);
  60   gtk_widget_show(label);
  61
  62   gtk_custom_widget_add(custom, scrolledwindow1);
  63   gtk_widget_set_size_request ((GtkWidget*)scrolledwindow1, 800, 100);
  64
  65   textview1 = gtk_text_view_new ();
  66   gtk_widget_show (textview1);
  67   gtk_container_add (GTK_CONTAINER (scrolledwindow1), textview1);
  68   buf =  gtk_text_view_get_buffer((GtkTextView*)textview1);
  69   sprintf(str,"text view : %d",count);
  70   gtk_text_buffer_set_text(buf,str, -1);
  71
  72   g_signal_connect ((gpointer) textview1, "grab_focus",
  73                     G_CALLBACK (on_textview1_grab_focus), custom);
  74 }
  75
  76 /* end of test part */
  77
  78
  79 /* internal functions */
  80 void insertView(GtkWidget* widget, view_constructor constructor)
  81 {
  82   GtkCustom * custom;
  83   mainWindow * mwData;
  84
  85   mwData = get_window_data_struct(widget);
  86   if(!mwData->CurrentTab) return;
  87   custom = mwData->CurrentTab->custom;
  88
  89   gtk_custom_widget_add(custom, (GtkWidget*)constructor(mwData));
  90 }
  91
  92 void get_label_string (GtkWidget * text, gchar * label)
  93 {
  94   GtkEntry * entry = (GtkEntry*)text;
  95   if(strlen(gtk_entry_get_text(entry))!=0)
  96     strcpy(label,gtk_entry_get_text(entry));
  97 }
  98
  99 void get_label(GtkWindow * mw, gchar * str)
 100 {
 101   GtkWidget * dialogue;
 102   GtkWidget * text;
 103   GtkWidget * label;
 104   gint id;
 105
 106   strcpy(str,"Page");     //default label
 107
 108   dialogue = gtk_dialog_new_with_buttons("Get the name of the tab",mw,
 109                                          GTK_DIALOG_MODAL,
 110                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 111                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 112                                          NULL);
 113
 114   label = gtk_label_new("Please input tab's name");
 115   gtk_widget_show(label);
 116
 117   text = gtk_entry_new();
 118   gtk_widget_show(text);
 119
 120   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 121   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 122
 123   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 124   switch(id){
 125     case GTK_RESPONSE_ACCEPT:
 126       get_label_string(text,str);
 127       gtk_widget_destroy(dialogue);
 128       break;
 129     case GTK_RESPONSE_REJECT:
 130     default:
 131       gtk_widget_destroy(dialogue);
 132       break;
 133   }
 134 }
 135
 136 mainWindow * get_window_data_struct(GtkWidget * widget)
 137 {
 138   GtkWidget * mw;
 139   mainWindow * mwData;
 140
 141   mw = lookup_widget(widget, "MWindow");
 142   if(mw == NULL){
 143     g_printf("Main window does not exist\n");
 144     return;
 145   }
 146
 147   mwData = (mainWindow *) g_object_get_data(G_OBJECT(mw),"mainWindow");
 148   if(mwData == NULL){
 149     g_printf("Main window data does not exist\n");
 150     return;
 151   }
 152   return mwData;
 153 }
 154
 155 void createNewWindow(GtkWidget* widget, gpointer user_data, gboolean clone)
 156 {
 157   GtkWidget  * mw = NULL; /* Main window */
 158   systemView * sv = NULL; /* System view */
 159   systemView * newSv;     /* New system view displayed in the new window */
 160   GtkWidget  * newWindow; /* New generated main window */
 161   mainWindow * newMWindow;/* New main window structure */
 162
 163   //test
 164   int i;
 165   GtkWidget * ToolMenuTitle_menu, *insert_view, *pixmap;
 166   LttvMenus * menu;
 167   LttvToolbars * toolbar;
 168   lttv_menu_closure *menuItem;
 169   lttv_toolbar_closure *toolbarItem;
 170   LttvAttributeValue value;
 171   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 172   view_constructor constructor;
 173   GdkPixbuf *pixbuf;
 174   //end
 175
 176   mw = lookup_widget (widget, "MWindow");
 177   if(mw == NULL){
 178     g_printf("Can not find main window\n");
 179     return;
 180   }
 181
 182   sv = (systemView *)g_object_get_data(G_OBJECT(mw),"systemView");
 183   if(sv == NULL){
 184     g_printf("Can not find system view\n");
 185     return;
 186   }
 187
 188   newMWindow = g_new(mainWindow, 1);
 189   newWindow  = create_MWindow();
 190   gtk_widget_show (newWindow);
 191
 192
 193   newSv = g_new(systemView, 1);
 194   while(sv->Next) sv = sv->Next;
 195   sv->Next = newSv;
 196
 197   newSv->EventDB = NULL;
 198   newSv->SystemInfo = NULL;
 199   newSv->Options  = NULL;
 200   newSv->Next = NULL;
 201   newSv->Window = newMWindow;
 202
 203   newMWindow->MWindow = newWindow;
 204   newMWindow->Tab = NULL;
 205   newMWindow->CurrentTab = NULL;
 206   newMWindow->SystemView = newSv;
 207   //  newMWindow->Attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
 208
 209   //test yxx
 210   g_assert(lttv_iattribute_find_by_path(attributes,
 211            "viewers/menu", LTTV_POINTER, &value));
 212   menu = (LttvMenus*)*(value.v_pointer);
 213
 214   if(menu){
 215     for(i=0;i<menu->len;i++){
 216       menuItem = &g_array_index(menu, lttv_menu_closure, i);
 217       constructor = menuItem->con;
 218       ToolMenuTitle_menu = lookup_widget(newMWindow->MWindow,"ToolMenuTitle_menu");
 219       insert_view = gtk_menu_item_new_with_mnemonic (menuItem->menuText);
 220       gtk_widget_show (insert_view);
 221       gtk_container_add (GTK_CONTAINER (ToolMenuTitle_menu), insert_view);
 222       g_signal_connect ((gpointer) insert_view, "activate",
 223                         G_CALLBACK (insertViewTest),
 224                         constructor);
 225     }
 226   }
 227   g_assert(lttv_iattribute_find_by_path(attributes,
 228            "viewers/toolbar", LTTV_POINTER, &value));
 229   toolbar = (LttvToolbars*)*(value.v_pointer);
 230
 231   if(toolbar){
 232     for(i=0;i<toolbar->len;i++){
 233       toolbarItem = &g_array_index(toolbar, lttv_toolbar_closure, i);
 234       constructor = toolbarItem->con;
 235       ToolMenuTitle_menu = lookup_widget(newMWindow->MWindow,"MToolbar2");
 236       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbarItem->pixmap);
 237       pixmap = gtk_image_new_from_pixbuf(pixbuf);
 238       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (ToolMenuTitle_menu),
 239                                                 GTK_TOOLBAR_CHILD_BUTTON,
 240                                                 NULL,
 241                                                 "",
 242                                                 toolbarItem->tooltip, NULL,
 243                                                 pixmap, NULL, NULL);
 244       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (ToolMenuTitle_menu)->children)->data))->label), TRUE);
 245       gtk_widget_show (insert_view);
 246       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
 247       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insertViewTest),constructor);
 248     }
 249   }
 250   //end
 251
 252   g_object_set_data(G_OBJECT(newWindow), "systemView", (gpointer)newSv);
 253   g_object_set_data(G_OBJECT(newWindow), "mainWindow", (gpointer)newMWindow);
 254
 255   if(clone){
 256     g_printf("Clone : use the same traceset\n");
 257   }else{
 258     g_printf("Empty : traceset is set to NULL\n");
 259   }
 260 }
 261
 262 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 263 {
 264   mainWindow * mw = get_window_data_struct(widget);
 265   if(!mw->CurrentTab) return;
 266   gtk_custom_widget_move_up(mw->CurrentTab->custom);
 267 }
 268
 269 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 270 {
 271   mainWindow * mw = get_window_data_struct(widget);
 272   if(!mw->CurrentTab) return;
 273   gtk_custom_widget_move_down(mw->CurrentTab->custom);
 274 }
 275
 276 void delete_viewer(GtkWidget * widget, gpointer user_data)
 277 {
 278   mainWindow * mw = get_window_data_struct(widget);
 279   if(!mw->CurrentTab) return;
 280   gtk_custom_widget_delete(mw->CurrentTab->custom);
 281 }
 282
 283 void open_traceset(GtkWidget * widget, gpointer user_data)
 284 {
 285   g_printf("Open a trace set\n");
 286 }
 287
 288 void add_trace(GtkWidget * widget, gpointer user_data)
 289 {
 290   g_printf("add a trace to a trace set\n");
 291 }
 292
 293 void remove_trace(GtkWidget * widget, gpointer user_data)
 294 {
 295   g_printf("remove a trace from a trace set\n");
 296 }
 297
 298 void save(GtkWidget * widget, gpointer user_data)
 299 {
 300   g_printf("Save\n");
 301 }
 302
 303 void save_as(GtkWidget * widget, gpointer user_data)
 304 {
 305   g_printf("Save as\n");
 306 }
 307
 308 void zoom_in(GtkWidget * widget, gpointer user_data)
 309 {
 310   g_printf("Zoom in\n");
 311 }
 312
 313 void zoom_out(GtkWidget * widget, gpointer user_data)
 314 {
 315   g_printf("Zoom out\n");
 316 }
 317
 318 void zoom_extended(GtkWidget * widget, gpointer user_data)
 319 {
 320   g_printf("Zoom extended\n");
 321 }
 322
 323 void go_to_time(GtkWidget * widget, gpointer user_data)
 324 {
 325   g_printf("Go to time\n");
 326 }
 327
 328 void show_time_frame(GtkWidget * widget, gpointer user_data)
 329 {
 330   g_printf("Show time frame\n");
 331 }
 332
 333
 334 /* callback function */
 335
 336 void
 337 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 338                                         gpointer         user_data)
 339 {
 340   createNewWindow((GtkWidget*)menuitem, user_data, FALSE);
 341 }
 342
 343
 344 void
 345 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 346                                         gpointer         user_data)
 347 {
 348   createNewWindow((GtkWidget*)menuitem, user_data, TRUE);
 349 }
 350
 351
 352 void
 353 on_tab_activate                        (GtkMenuItem     *menuitem,
 354                                         gpointer         user_data)
 355 {
 356   GList * list;
 357   gchar label[64];
 358
 359   tab * tmpTab;
 360   GtkWidget * pane;
 361   mainWindow * mwData;
 362   GtkNotebook * notebook = (GtkNotebook *)lookup_widget((GtkWidget*)menuitem, "MNotebook");
 363   if(notebook == NULL){
 364     g_printf("Notebook does not exist\n");
 365     return;
 366   }
 367
 368   mwData = get_window_data_struct((GtkWidget*)menuitem);
 369
 370   tmpTab = mwData->Tab;
 371   while(tmpTab && tmpTab->Next) tmpTab = tmpTab->Next;
 372   if(!tmpTab){
 373     tmpTab = g_new(tab,1);
 374     mwData->Tab = tmpTab;
 375   }else{
 376     tmpTab->Next = g_new(tab,1);
 377     tmpTab = tmpTab->Next;
 378   }
 379   //  mwData->CurrentTab = tmpTab;
 380   tmpTab->custom = (GtkCustom*)gtk_custom_new();
 381   gtk_widget_show((GtkWidget*)tmpTab->custom);
 382   tmpTab->Next = NULL;
 383
 384   get_label((GtkWindow*)mwData->MWindow, label);
 385   tmpTab->label = gtk_label_new (label);
 386   gtk_widget_show (tmpTab->label);
 387
 388   gtk_notebook_append_page(notebook, (GtkWidget*)tmpTab->custom, tmpTab->label);
 389
 390   list = gtk_container_get_children(GTK_CONTAINER(notebook));
 391   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
 392 }
 393
 394
 395 void
 396 on_open_activate                       (GtkMenuItem     *menuitem,
 397                                         gpointer         user_data)
 398 {
 399   open_traceset((GtkWidget*)menuitem, user_data);
 400 }
 401
 402
 403 void
 404 on_close_activate                      (GtkMenuItem     *menuitem,
 405                                         gpointer         user_data)
 406 {
 407   g_printf("Close\n");
 408 }
 409
 410
 411 void
 412 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 413                                         gpointer         user_data)
 414 {
 415   g_printf("Close tab\n");
 416 }
 417
 418
 419 void
 420 on_add_trace_activate                  (GtkMenuItem     *menuitem,
 421                                         gpointer         user_data)
 422 {
 423   add_trace((GtkWidget*)menuitem, user_data);
 424 }
 425
 426
 427 void
 428 on_remove_trace_activate               (GtkMenuItem     *menuitem,
 429                                         gpointer         user_data)
 430 {
 431   remove_trace((GtkWidget*)menuitem, user_data);
 432 }
 433
 434
 435 void
 436 on_save_activate                       (GtkMenuItem     *menuitem,
 437                                         gpointer         user_data)
 438 {
 439   save((GtkWidget*)menuitem, user_data);
 440 }
 441
 442
 443 void
 444 on_save_as_activate                    (GtkMenuItem     *menuitem,
 445                                         gpointer         user_data)
 446 {
 447   save_as((GtkWidget*)menuitem, user_data);
 448 }
 449
 450
 451 void
 452 on_quit_activate                       (GtkMenuItem     *menuitem,
 453                                         gpointer         user_data)
 454 {
 455   on_MWindow_destroy(GTK_OBJECT(menuitem), user_data);
 456 }
 457
 458
 459 void
 460 on_cut_activate                        (GtkMenuItem     *menuitem,
 461                                         gpointer         user_data)
 462 {
 463   g_printf("Cut\n");
 464 }
 465
 466
 467 void
 468 on_copy_activate                       (GtkMenuItem     *menuitem,
 469                                         gpointer         user_data)
 470 {
 471   g_printf("Copye\n");
 472 }
 473
 474
 475 void
 476 on_paste_activate                      (GtkMenuItem     *menuitem,
 477                                         gpointer         user_data)
 478 {
 479   g_printf("Paste\n");
 480 }
 481
 482
 483 void
 484 on_delete_activate                     (GtkMenuItem     *menuitem,
 485                                         gpointer         user_data)
 486 {
 487   g_printf("Delete\n");
 488 }
 489
 490
 491 void
 492 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
 493                                         gpointer         user_data)
 494 {
 495    zoom_in((GtkWidget*)menuitem, user_data);
 496 }
 497
 498
 499 void
 500 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
 501                                         gpointer         user_data)
 502 {
 503    zoom_out((GtkWidget*)menuitem, user_data);
 504 }
 505
 506
 507 void
 508 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
 509                                         gpointer         user_data)
 510 {
 511    zoom_extended((GtkWidget*)menuitem, user_data);
 512 }
 513
 514
 515 void
 516 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
 517                                         gpointer         user_data)
 518 {
 519    go_to_time((GtkWidget*)menuitem, user_data);
 520 }
 521
 522
 523 void
 524 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
 525                                         gpointer         user_data)
 526 {
 527    show_time_frame((GtkWidget*)menuitem, user_data);
 528 }
 529
 530
 531 void
 532 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
 533                                         gpointer         user_data)
 534 {
 535   move_up_viewer((GtkWidget*)menuitem, user_data);
 536 }
 537
 538
 539 void
 540 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
 541                                         gpointer         user_data)
 542 {
 543   move_down_viewer((GtkWidget*)menuitem, user_data);
 544 }
 545
 546
 547 void
 548 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
 549                                         gpointer         user_data)
 550 {
 551   delete_viewer((GtkWidget*)menuitem, user_data);
 552 }
 553
 554
 555 void
 556 on_load_module_activate                (GtkMenuItem     *menuitem,
 557                                         gpointer         user_data)
 558 {
 559   g_printf("Load module\n");
 560 }
 561
 562
 563 void
 564 on_unload_module_activate              (GtkMenuItem     *menuitem,
 565                                         gpointer         user_data)
 566 {
 567   g_printf("Unload module\n");
 568 }
 569
 570
 571 void
 572 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
 573                                         gpointer         user_data)
 574 {
 575   g_printf("Add module search path\n");
 576 }
 577
 578
 579 void
 580 on_color_activate                      (GtkMenuItem     *menuitem,
 581                                         gpointer         user_data)
 582 {
 583   g_printf("Color\n");
 584 }
 585
 586
 587 void
 588 on_filter_activate                     (GtkMenuItem     *menuitem,
 589                                         gpointer         user_data)
 590 {
 591   g_printf("Filter\n");
 592 }
 593
 594
 595 void
 596 on_save_configuration_activate         (GtkMenuItem     *menuitem,
 597                                         gpointer         user_data)
 598 {
 599   g_printf("Save configuration\n");
 600 }
 601
 602
 603 void
 604 on_content_activate                    (GtkMenuItem     *menuitem,
 605                                         gpointer         user_data)
 606 {
 607   g_printf("Content\n");
 608 }
 609
 610
 611 void
 612 on_about_activate                      (GtkMenuItem     *menuitem,
 613                                         gpointer         user_data)
 614 {
 615   g_printf("About...\n");
 616 }
 617
 618
 619 void
 620 on_button_new_clicked                  (GtkButton       *button,
 621                                         gpointer         user_data)
 622 {
 623   createNewWindow((GtkWidget*)button, user_data, FALSE);
 624 }
 625
 626
 627 void
 628 on_button_open_clicked                 (GtkButton       *button,
 629                                         gpointer         user_data)
 630 {
 631   open_traceset((GtkWidget*)button, user_data);
 632 }
 633
 634
 635 void
 636 on_button_add_trace_clicked            (GtkButton       *button,
 637                                         gpointer         user_data)
 638 {
 639   add_trace((GtkWidget*)button, user_data);
 640 }
 641
 642
 643 void
 644 on_button_remove_trace_clicked         (GtkButton       *button,
 645                                         gpointer         user_data)
 646 {
 647   remove_trace((GtkWidget*)button, user_data);
 648 }
 649
 650
 651 void
 652 on_button_save_clicked                 (GtkButton       *button,
 653                                         gpointer         user_data)
 654 {
 655   save((GtkWidget*)button, user_data);
 656 }
 657
 658
 659 void
 660 on_button_save_as_clicked              (GtkButton       *button,
 661                                         gpointer         user_data)
 662 {
 663   save_as((GtkWidget*)button, user_data);
 664 }
 665
 666
 667 void
 668 on_button_zoom_in_clicked              (GtkButton       *button,
 669                                         gpointer         user_data)
 670 {
 671    zoom_in((GtkWidget*)button, user_data);
 672 }
 673
 674
 675 void
 676 on_button_zoom_out_clicked             (GtkButton       *button,
 677                                         gpointer         user_data)
 678 {
 679    zoom_out((GtkWidget*)button, user_data);
 680 }
 681
 682
 683 void
 684 on_button_zoom_extended_clicked        (GtkButton       *button,
 685                                         gpointer         user_data)
 686 {
 687    zoom_extended((GtkWidget*)button, user_data);
 688 }
 689
 690
 691 void
 692 on_button_go_to_time_clicked           (GtkButton       *button,
 693                                         gpointer         user_data)
 694 {
 695    go_to_time((GtkWidget*)button, user_data);
 696 }
 697
 698
 699 void
 700 on_button_show_time_frame_clicked      (GtkButton       *button,
 701                                         gpointer         user_data)
 702 {
 703    show_time_frame((GtkWidget*)button, user_data);
 704 }
 705
 706
 707 void
 708 on_button_move_up_clicked              (GtkButton       *button,
 709                                         gpointer         user_data)
 710 {
 711   move_up_viewer((GtkWidget*)button, user_data);
 712 }
 713
 714
 715 void
 716 on_button_move_down_clicked            (GtkButton       *button,
 717                                         gpointer         user_data)
 718 {
 719   move_down_viewer((GtkWidget*)button, user_data);
 720 }
 721
 722
 723 void
 724 on_button_delete_viewer_clicked        (GtkButton       *button,
 725                                         gpointer         user_data)
 726 {
 727   delete_viewer((GtkWidget*)button, user_data);
 728 }
 729
 730 void
 731 on_MWindow_destroy                     (GtkObject       *object,
 732                                         gpointer         user_data)
 733 {
 734   systemView * sv = gSysView;
 735   gint count = 0;
 736   while(sv->Next){
 737     g_printf("There are : %d windows\n",++count);
 738     sv = sv->Next;
 739   }
 740   g_printf("There are : %d windows\n",++count);
 741
 742   gtk_main_quit ();
 743
 744 }
 745
 746
 747 void
 748 on_MNotebook_switch_page               (GtkNotebook     *notebook,
 749                                         GtkNotebookPage *page,
 750                                         guint            page_num,
 751                                         gpointer         user_data)
 752 {
 753   mainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
 754   tab * Tab = mw->Tab;
 755
 756   while(page_num){
 757     Tab = Tab->Next;
 758     page_num--;
 759   }
 760   mw->CurrentTab = Tab;
 761 }
 762