src/ui/gui/var-type-dialog.c

   1 /*
   2     PSPPIRE --- A Graphical User Interface for PSPP
   3     Copyright (C) 2005, 2006  Free Software Foundation
   4     Written by John Darrington
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19     02110-1301, USA. */
  20
  21
  22 /*  This module describes the behaviour of the Variable Type dialog box used
  23     for inputing the variable type in the var sheet */
  24
  25 #include <config.h>
  26
  27 #include <gtk/gtk.h>
  28 #include <glade/glade.h>
  29
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "var-type-dialog.h"
  34
  35 #include "psppire-variable.h"
  36 #include "helper.h"
  37
  38 #include <data/variable.h>
  39 #include <data/settings.h>
  40 #include <libpspp/message.h>
  41
  42
  43 struct tgs
  44 {
  45   struct var_type_dialog *dialog;
  46   gint button;
  47 };
  48
  49
  50 struct format_opt {
  51   gchar desc[18];
  52   struct fmt_spec spec;
  53 };
  54
  55
  56 static const struct format_opt format_option[] =
  57   {
  58     { "dd-mmm-yyyy", {FMT_DATE,  11, 0} },
  59     { "dd-mmm-yy",   {FMT_DATE,   9, 0} },
  60     { "mm/dd/yyyy",  {FMT_ADATE, 10, 0} },
  61     { "mm/dd/yy",    {FMT_ADATE, 8, 0} },
  62     { "dd.mm.yyyy",  {FMT_EDATE, 10, 0} },
  63     { "dd.mm.yy",    {FMT_EDATE, 8, 0} },
  64     { "yyyy/mm/dd",  {FMT_SDATE, 10, 0} },
  65     { "yy/mm/dd",    {FMT_SDATE, 8, 0} },
  66     { "yyddd",       {FMT_JDATE, 5, 0} },
  67     { "yyyyddd",     {FMT_JDATE, 7, 0} },
  68     { "q Q yyyy",    {FMT_QYR, 8, 0} },
  69     { "q Q yy",      {FMT_QYR, 6, 0} },
  70     { "mmm yyyy",    {FMT_MOYR, 8, 0} },
  71     { "mmm yy",      {FMT_MOYR, 6, 0} },
  72     { "dd WK yyyy",  {FMT_WKYR, 10, 0} },
  73     { "dd WK yy",    {FMT_WKYR, 8, 0} },
  74     { "dd-mmm-yyyy HH:MM", {FMT_DATETIME, 17, 0}}
  75   };
  76
  77
  78 static const struct fmt_spec dollar_format[] =
  79   {
  80     {FMT_DOLLAR, 2, 0},
  81     {FMT_DOLLAR, 3, 0},
  82     {FMT_DOLLAR, 4, 0},
  83     {FMT_DOLLAR, 7, 2},
  84     {FMT_DOLLAR, 6, 0},
  85     {FMT_DOLLAR, 9, 2},
  86     {FMT_DOLLAR, 8, 0},
  87     {FMT_DOLLAR, 11, 2},
  88     {FMT_DOLLAR, 12, 0},
  89     {FMT_DOLLAR, 15, 2},
  90     {FMT_DOLLAR, 16, 0},
  91     {FMT_DOLLAR, 19, 2}
  92   };
  93
  94 static const int cc_format[] =
  95   {
  96     FMT_CCA,
  97     FMT_CCB,
  98     FMT_CCC,
  99     FMT_CCD,
 100     FMT_CCE,
 101   };
 102
 103
 104 static void select_treeview_from_format
 105  (GtkTreeView *treeview, const struct fmt_spec *fmt);
 106
 107 static void select_treeview_from_format_type(GtkTreeView *treeview,
 108                                              const int fmt_type);
 109
 110
 111 /* callback for when any of the radio buttons are toggled */
 112 static void
 113 on_toggle_1(GtkToggleButton *togglebutton, gpointer user_data)
 114 {
 115   struct tgs *tgs = user_data;
 116
 117   if ( gtk_toggle_button_get_active(togglebutton) == FALSE)
 118     return ;
 119
 120   tgs->dialog->active_button = tgs->button;
 121 }
 122
 123 static void update_width_decimals(const struct var_type_dialog *dialog);
 124
 125 #define force_max(x, val) if (x > val) x = val
 126
 127 /*
 128    Set the local format from the variable
 129    and force them to have sensible values */
 130 static void
 131 set_local_width_decimals(struct var_type_dialog *dialog)
 132 {
 133   dialog->fmt_l = * psppire_variable_get_write_spec(dialog->pv);
 134
 135   switch (dialog->active_button)
 136     {
 137     case BUTTON_STRING:
 138       force_max( dialog->fmt_l.w, 255);
 139       break;
 140     default:
 141       force_max( dialog->fmt_l.w, 40);
 142       force_max( dialog->fmt_l.d, 16);
 143       break;
 144     }
 145 }
 146
 147
 148 /* callback for when any of the radio buttons are toggled */
 149 static void
 150 on_toggle_2(GtkToggleButton *togglebutton, gpointer user_data)
 151 {
 152   struct var_type_dialog *dialog = user_data;
 153   if ( gtk_toggle_button_get_active(togglebutton) == FALSE)
 154     {
 155       switch (dialog->active_button)
 156         {
 157         case BUTTON_DATE:
 158           gtk_widget_hide(dialog->date_format_list);
 159           break;
 160         case BUTTON_CUSTOM:
 161           gtk_widget_hide(dialog->custom_currency_hbox);
 162           break;
 163         case BUTTON_DOLLAR:
 164           gtk_widget_hide(dialog->dollar_window);
 165           break;
 166         case BUTTON_STRING:
 167           gtk_widget_show(dialog->label_decimals);
 168           gtk_widget_show(dialog->entry_decimals);
 169           break;
 170         }
 171       return ;
 172     }
 173
 174   set_local_width_decimals(dialog);
 175   update_width_decimals(dialog);
 176
 177   switch (dialog->active_button)
 178     {
 179     case BUTTON_STRING:
 180       gtk_widget_show(dialog->width_decimals);
 181       gtk_widget_hide(dialog->label_decimals);
 182       gtk_widget_hide(dialog->entry_decimals);
 183       break;
 184     case BUTTON_DATE:
 185       select_treeview_from_format(dialog->date_format_treeview,
 186                                   &format_option[0].spec);
 187       gtk_widget_hide(dialog->width_decimals);
 188       gtk_widget_show(dialog->date_format_list);
 189       break;
 190     case BUTTON_DOLLAR:
 191       select_treeview_from_format(dialog->dollar_treeview,
 192                                   &dollar_format[0]);
 193       gtk_widget_show(dialog->dollar_window);
 194       gtk_widget_show_all(dialog->width_decimals);
 195       break;
 196     case BUTTON_CUSTOM:
 197       select_treeview_from_format_type(dialog->custom_treeview,
 198                                   cc_format[0]);
 199
 200       gtk_widget_show(dialog->width_decimals);
 201       gtk_widget_show(dialog->custom_currency_hbox);
 202       break;
 203     default:
 204       gtk_widget_show_all(dialog->width_decimals);
 205       break;
 206     }
 207 }
 208
 209
 210
 211 static gint on_var_type_ok_clicked(GtkWidget *w, gpointer data);
 212
 213 #define LEN 20
 214
 215 /* return a string of the form "$#,###.##" according to FMT.
 216    FMT must be of type FMT_DOLLAR
 217  */
 218 static const gchar *
 219 dollar_format_template(const struct fmt_spec *fmt)
 220 {
 221   static gchar buf[LEN];
 222   g_assert( fmt->type == FMT_DOLLAR);
 223
 224   {
 225     gint c ;
 226     gint int_part = fmt->w - fmt->d;
 227     if ( fmt->d > 0 ) --int_part;
 228     g_assert(int_part > 0);
 229
 230     g_strlcpy(buf, "$", LEN);
 231
 232     c = int_part - 1;
 233     while(c > 0)
 234       {
 235         g_strlcat(buf, "#", LEN);
 236         if(--c % 4 == 0 && c > 0 )
 237           {
 238             g_strlcat(buf, ",", LEN);
 239             --c;
 240           }
 241       }
 242     if ( fmt->d > 0 )
 243       {
 244         g_strlcat(buf, ".", LEN);
 245         for ( c = 0 ; c < fmt->d ; ++c )
 246           g_strlcat(buf, "#", LEN);
 247       }
 248   }
 249
 250   return buf;
 251 }
 252
 253 static void
 254 add_to_group(GtkWidget *w, gpointer data)
 255 {
 256   GtkSizeGroup *sg = data;
 257
 258   gtk_size_group_add_widget(sg, w);
 259 }
 260
 261 /* Set the local width and decimals entry boxes to reflec the local format */
 262 static void
 263 update_width_decimals(const struct var_type_dialog *dialog)
 264 {
 265   gchar *text;
 266   g_assert(dialog);
 267
 268   text = g_strdup_printf("%d", dialog->fmt_l.w);
 269   gtk_entry_set_text(GTK_ENTRY(dialog->entry_width), text);
 270   g_free(text);
 271
 272   text = g_strdup_printf("%d", dialog->fmt_l.d);
 273   gtk_entry_set_text(GTK_ENTRY(dialog->entry_decimals), text);
 274   g_free(text);
 275 }
 276
 277 /* Callback for when the custom treeview row is changed.
 278    It sets dialog box to reflect the selected format */
 279 static void
 280 preview_custom(GtkWidget *w, gpointer data)
 281 {
 282   const gchar *text ;
 283
 284   struct var_type_dialog *dialog = data;
 285
 286   if ( dialog->active_button != BUTTON_CUSTOM )
 287     return;
 288
 289   text = gtk_entry_get_text(GTK_ENTRY(dialog->entry_decimals));
 290   dialog->fmt_l.d = atoi(text);
 291
 292   text = gtk_entry_get_text(GTK_ENTRY(dialog->entry_width));
 293   dialog->fmt_l.w = atoi(text);
 294
 295   msg_disable ();
 296   if ( ! fmt_check_output(&dialog->fmt_l))
 297     {
 298       gtk_label_set_text(GTK_LABEL(dialog->label_psample), "---");
 299       gtk_label_set_text(GTK_LABEL(dialog->label_nsample), "---");
 300     }
 301   else
 302     {
 303       gchar *sample_text;
 304       union value v;
 305       v.f = 1234.56;
 306
 307       sample_text = value_to_text(v, dialog->fmt_l);
 308       gtk_label_set_text(GTK_LABEL(dialog->label_psample), sample_text);
 309       g_free(sample_text);
 310
 311       v.f = -v.f;
 312       sample_text = value_to_text(v, dialog->fmt_l);
 313       gtk_label_set_text(GTK_LABEL(dialog->label_nsample), sample_text);
 314       g_free(sample_text);
 315     }
 316   msg_enable ();
 317 }
 318
 319 /* Callback for when a treeview row is changed.
 320    It sets the fmt_l_spec to reflect the selected format */
 321 static void
 322 set_format_from_treeview(GtkTreeView *treeview, gpointer data)
 323 {
 324   struct var_type_dialog *dialog = data;
 325   GtkTreeIter iter ;
 326   GValue the_value = {0};
 327
 328   GtkTreeSelection* sel =  gtk_tree_view_get_selection(treeview);
 329
 330   GtkTreeModel * model  = gtk_tree_view_get_model(treeview);
 331
 332   gtk_tree_selection_get_selected (sel, &model, &iter);
 333
 334   gtk_tree_model_get_value(model, &iter, 1, &the_value);
 335
 336   dialog->fmt_l = *(struct fmt_spec *) g_value_get_pointer(&the_value);
 337 }
 338
 339
 340 /* Callback for when a treeview row is changed.
 341    It sets the type of the fmt_l to reflect the selected type */
 342 static void
 343 set_format_type_from_treeview(GtkTreeView *treeview, gpointer data)
 344 {
 345   static struct fmt_spec custom_format = {0,0,0};
 346   struct var_type_dialog *dialog = data;
 347   GtkTreeIter iter ;
 348   GValue the_value = {0};
 349
 350   GtkTreeSelection* sel =  gtk_tree_view_get_selection(treeview);
 351
 352   GtkTreeModel * model  = gtk_tree_view_get_model(treeview);
 353
 354   gtk_tree_selection_get_selected (sel, &model, &iter);
 355
 356   gtk_tree_model_get_value(model, &iter, 1, &the_value);
 357
 358   dialog->fmt_l = custom_format;
 359   dialog->fmt_l.type = *(int*) g_value_get_pointer(&the_value);
 360
 361 }
 362
 363
 364
 365
 366 /* Create the structure from the XML definitions */
 367 struct var_type_dialog *
 368 var_type_dialog_create(GladeXML *xml)
 369 {
 370   gint i;
 371   struct var_type_dialog *dialog = g_malloc(sizeof(struct var_type_dialog));
 372
 373   g_assert(xml);
 374
 375   dialog->window = get_widget_assert(xml,"var_type_dialog");
 376
 377   gtk_window_set_transient_for(GTK_WINDOW(dialog->window),
 378                                GTK_WINDOW(get_widget_assert(xml, "data_editor")));
 379
 380   dialog->radioButton[BUTTON_NUMERIC] =
 381     get_widget_assert(xml,"radiobutton1");
 382   dialog->radioButton[BUTTON_COMMA] =
 383     get_widget_assert(xml,"radiobutton2");
 384   dialog->radioButton[BUTTON_DOT] =
 385     get_widget_assert(xml,"radiobutton3");
 386   dialog->radioButton[BUTTON_SCIENTIFIC] =
 387     get_widget_assert(xml,"radiobutton4");
 388   dialog->radioButton[BUTTON_DATE] =
 389     get_widget_assert(xml,"radiobutton5");
 390   dialog->radioButton[BUTTON_DOLLAR] =
 391     get_widget_assert(xml,"radiobutton6");
 392   dialog->radioButton[BUTTON_CUSTOM] =
 393     get_widget_assert(xml,"radiobutton7");
 394   dialog->radioButton[BUTTON_STRING] =
 395     get_widget_assert(xml,"radiobutton8");
 396
 397
 398   dialog->date_format_list = get_widget_assert(xml, "scrolledwindow4");
 399   dialog->width_decimals = get_widget_assert(xml, "width_decimals");
 400   dialog->label_decimals = get_widget_assert(xml, "decimals_label");
 401   dialog->entry_decimals = get_widget_assert(xml, "decimals_entry");
 402
 403   dialog->label_psample = get_widget_assert(xml, "psample_label");
 404   dialog->label_nsample = get_widget_assert(xml, "nsample_label");
 405
 406
 407   dialog->entry_width = get_widget_assert(xml,"width_entry");
 408
 409   dialog->custom_currency_hbox = get_widget_assert(xml,
 410                                                    "custom_currency_hbox");
 411
 412   dialog->dollar_window = get_widget_assert(xml, "dollar_window");
 413   dialog->dollar_treeview =
 414     GTK_TREE_VIEW(get_widget_assert(xml, "dollar_treeview"));
 415
 416   dialog->custom_treeview =
 417     GTK_TREE_VIEW(get_widget_assert(xml, "custom_treeview"));
 418
 419
 420   dialog->ok = get_widget_assert(xml,"var_type_ok");
 421
 422
 423   {
 424   GtkTreeIter iter;
 425   GtkListStore *list_store ;
 426
 427   GtkTreeViewColumn *column;
 428   GtkCellRenderer *renderer ;
 429
 430   static struct tgs tgs[num_BUTTONS];
 431   /* The "middle_box" is a vbox with serveral children.
 432      However only one child is ever shown at a time.
 433      We need to make sure that they all have the same width, to avoid
 434      upleasant resizing effects */
 435   GtkSizeGroup *sizeGroup = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 436
 437   gtk_container_foreach(GTK_CONTAINER(get_widget_assert(xml, "middle_box")),
 438                         add_to_group, sizeGroup);
 439
 440
 441   for (i = 0 ; i < num_BUTTONS; ++i )
 442     {
 443       tgs[i].dialog = dialog;
 444       tgs[i].button = i;
 445       g_signal_connect(dialog->radioButton[i], "toggled",
 446                        G_CALLBACK(on_toggle_1), &tgs[i]);
 447
 448       g_signal_connect(dialog->radioButton[i], "toggled",
 449                        G_CALLBACK(on_toggle_2), dialog);
 450     }
 451
 452   /* Populate the date format tree view */
 453   dialog->date_format_treeview = GTK_TREE_VIEW(get_widget_assert(xml,
 454                                               "date_format_list_view"));
 455
 456   renderer = gtk_cell_renderer_text_new();
 457
 458   column = gtk_tree_view_column_new_with_attributes ("Title",
 459                                                      renderer,
 460                                                      "text",
 461                                                      0,
 462                                                      NULL);
 463
 464   gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->date_format_treeview),
 465                                column);
 466
 467
 468   list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
 469
 470   for ( i = 0 ; i < sizeof(format_option) / sizeof(format_option[0]) ; ++i )
 471     {
 472       gtk_list_store_append (list_store, &iter);
 473       gtk_list_store_set (list_store, &iter,
 474                           0, format_option[i].desc,
 475                           1, &format_option[i].spec,
 476                           -1);
 477     }
 478
 479   gtk_tree_view_set_model(GTK_TREE_VIEW(dialog->date_format_treeview),
 480                           GTK_TREE_MODEL(list_store));
 481
 482   g_object_unref(list_store);
 483
 484   g_signal_connect(GTK_OBJECT(dialog->date_format_treeview), "cursor-changed",
 485                    GTK_SIGNAL_FUNC(set_format_from_treeview), dialog);
 486
 487
 488   /* populate the dollar treeview */
 489
 490   renderer = gtk_cell_renderer_text_new();
 491
 492   column = gtk_tree_view_column_new_with_attributes ("Title",
 493                                                      renderer,
 494                                                      "text",
 495                                                      0,
 496                                                      NULL);
 497
 498   gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->dollar_treeview),
 499                                column);
 500
 501
 502   list_store = gtk_list_store_new (2, G_TYPE_STRING,
 503                                                  G_TYPE_POINTER);
 504
 505   for ( i = 0 ; i < sizeof(dollar_format)/sizeof(dollar_format[0]) ; ++i )
 506     {
 507       gtk_list_store_append (list_store, &iter);
 508       gtk_list_store_set (list_store, &iter,
 509                           0, dollar_format_template(&dollar_format[i]),
 510                           1, &dollar_format[i],
 511                           -1);
 512     }
 513
 514   gtk_tree_view_set_model(GTK_TREE_VIEW(dialog->dollar_treeview),
 515                           GTK_TREE_MODEL(list_store));
 516
 517   g_object_unref(list_store);
 518
 519   g_signal_connect(GTK_OBJECT(dialog->dollar_treeview),
 520                    "cursor-changed",
 521                    GTK_SIGNAL_FUNC(set_format_from_treeview), dialog);
 522
 523   g_signal_connect_swapped(GTK_OBJECT(dialog->dollar_treeview),
 524                    "cursor-changed",
 525                    GTK_SIGNAL_FUNC(update_width_decimals), dialog);
 526
 527
 528   /* populate the custom treeview */
 529
 530   renderer = gtk_cell_renderer_text_new();
 531
 532   column = gtk_tree_view_column_new_with_attributes ("Title",
 533                                                      renderer,
 534                                                      "text",
 535                                                      0,
 536                                                      NULL);
 537
 538   gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->custom_treeview),
 539                                column);
 540
 541
 542   list_store = gtk_list_store_new (2, G_TYPE_STRING,
 543                                                  G_TYPE_POINTER);
 544
 545   for ( i = 0 ; i < 5 ; ++i )
 546     {
 547       enum fmt_type cc_fmts[5] = {FMT_CCA, FMT_CCB, FMT_CCC, FMT_CCD, FMT_CCE};
 548       gchar text[4];
 549       g_snprintf(text, 4, "%s", fmt_name (cc_fmts[i]));
 550       gtk_list_store_append (list_store, &iter);
 551       gtk_list_store_set (list_store, &iter,
 552                           0, text,
 553                           1, &cc_format[i],
 554                           -1);
 555     }
 556
 557   gtk_tree_view_set_model(GTK_TREE_VIEW(dialog->custom_treeview),
 558                           GTK_TREE_MODEL(list_store));
 559
 560   g_object_unref(list_store);
 561
 562
 563   g_signal_connect(GTK_OBJECT(dialog->custom_treeview),
 564                    "cursor-changed",
 565                    GTK_SIGNAL_FUNC(set_format_type_from_treeview), dialog);
 566
 567
 568   g_signal_connect(GTK_OBJECT(dialog->custom_treeview),
 569                    "cursor-changed",
 570                    GTK_SIGNAL_FUNC(preview_custom), dialog);
 571
 572
 573   g_signal_connect(GTK_OBJECT(dialog->entry_width),
 574                    "changed",
 575                    GTK_SIGNAL_FUNC(preview_custom), dialog);
 576
 577
 578   g_signal_connect(GTK_OBJECT(dialog->entry_decimals),
 579                    "changed",
 580                    GTK_SIGNAL_FUNC(preview_custom), dialog);
 581
 582
 583   /* Connect the OK button */
 584   g_signal_connect(dialog->ok, "clicked", G_CALLBACK(on_var_type_ok_clicked),
 585                    dialog);
 586
 587
 588   }
 589
 590   return dialog;
 591 }
 592
 593
 594 /* Set a particular button to be active */
 595 void
 596 var_type_dialog_set_active_button(struct var_type_dialog *dialog, gint b)
 597 {
 598   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dialog->radioButton[b]),
 599                                TRUE);
 600   dialog->active_button = b;
 601 }
 602
 603
 604
 605 /* Set the TREEVIEW list cursor to the item described by FMT */
 606 static void
 607 select_treeview_from_format(GtkTreeView *treeview, const struct fmt_spec *fmt)
 608 {
 609   GtkTreePath *path ;
 610
 611   /*
 612     We do this with a linear search through the model --- hardly
 613     efficient, but the list is short ... */
 614   GtkTreeIter iter;
 615
 616   GtkTreeModel * model  = gtk_tree_view_get_model(treeview);
 617
 618   gboolean success;
 619   for (success = gtk_tree_model_get_iter_first(model, &iter);
 620        success;
 621        success = gtk_tree_model_iter_next(model, &iter))
 622     {
 623       const struct fmt_spec *spec;
 624
 625       GValue value = {0};
 626
 627       gtk_tree_model_get_value(model, &iter, 1, &value);
 628
 629       spec = g_value_get_pointer(&value);
 630
 631       if ( 0 == memcmp(spec, fmt, sizeof (struct fmt_spec)))
 632         {
 633           break;
 634         }
 635     }
 636
 637   path = gtk_tree_model_get_path(model, &iter);
 638   if ( path )
 639     {
 640       gtk_tree_view_set_cursor(treeview, path, 0, 0);
 641       gtk_tree_path_free(path);
 642     }
 643   else
 644     {
 645       char str[FMT_STRING_LEN_MAX + 1];
 646       g_warning("Unusual date format: %s\n", fmt_to_string(fmt, str));
 647     }
 648 }
 649
 650
 651 /* Set the TREEVIEW list cursor to the item described by FMT_TYPE */
 652 static void
 653 select_treeview_from_format_type(GtkTreeView *treeview,
 654                                  const int fmt_type)
 655 {
 656   GtkTreePath *path ;
 657
 658  /*
 659     We do this with a linear search through the model --- hardly
 660     efficient, but the list is short ... */
 661   GtkTreeIter iter;
 662
 663   GtkTreeModel * model  = gtk_tree_view_get_model(treeview);
 664
 665   gboolean success;
 666   for (success = gtk_tree_model_get_iter_first(model, &iter);
 667        success;
 668        success = gtk_tree_model_iter_next(model, &iter))
 669     {
 670       int spec ;
 671
 672       GValue value = {0};
 673
 674       gtk_tree_model_get_value(model, &iter, 1, &value);
 675
 676       spec = * ((int *) g_value_get_pointer(&value));
 677
 678       if ( spec == fmt_type)
 679         break;
 680     }
 681
 682   path = gtk_tree_model_get_path(model, &iter);
 683   if ( path )
 684     {
 685       gtk_tree_view_set_cursor(treeview, path, 0, 0);
 686       gtk_tree_path_free(path);
 687     }
 688   else
 689     g_warning("Unknown custom type  %d\n", fmt_type);
 690
 691 }
 692
 693 /* Set up the state of the dialog box to match the variable VAR */
 694 static void
 695 var_type_dialog_set_state(struct var_type_dialog *dialog)
 696 {
 697   const struct fmt_spec *write_spec ;
 698   GString *str = g_string_new("");
 699
 700   g_assert(dialog);
 701   g_assert(dialog->pv);
 702
 703   /* Populate width and decimals */
 704   write_spec = psppire_variable_get_write_spec(dialog->pv);
 705
 706   g_string_printf(str, "%d", write_spec->d);
 707
 708   gtk_entry_set_text(GTK_ENTRY(dialog->entry_decimals),
 709                      str->str);
 710
 711   g_string_printf(str, "%d", write_spec->w);
 712
 713   gtk_entry_set_text(GTK_ENTRY(dialog->entry_width),
 714                      str->str);
 715
 716   g_string_free(str, TRUE);
 717
 718   /* Populate the radio button states */
 719   switch (write_spec->type)
 720     {
 721     case FMT_F:
 722       var_type_dialog_set_active_button(dialog, BUTTON_NUMERIC);
 723       gtk_widget_show_all(dialog->width_decimals);
 724       break;
 725     case FMT_A:
 726       var_type_dialog_set_active_button(dialog, BUTTON_STRING);
 727       gtk_widget_hide(dialog->label_decimals);
 728       gtk_widget_hide(dialog->entry_decimals);
 729       break;
 730     case FMT_COMMA:
 731       var_type_dialog_set_active_button(dialog, BUTTON_COMMA);
 732       gtk_widget_show_all(dialog->width_decimals);
 733       break;
 734     case FMT_DOT:
 735       var_type_dialog_set_active_button(dialog, BUTTON_DOT);
 736       gtk_widget_show_all(dialog->width_decimals);
 737       break;
 738     case FMT_DOLLAR:
 739       var_type_dialog_set_active_button(dialog, BUTTON_DOLLAR);
 740       gtk_widget_show_all(dialog->width_decimals);
 741
 742       select_treeview_from_format(dialog->dollar_treeview, write_spec);
 743       break;
 744     case FMT_DATE:
 745     case FMT_EDATE:
 746     case FMT_SDATE:
 747     case FMT_ADATE:
 748     case FMT_JDATE:
 749     case FMT_QYR:
 750     case FMT_MOYR:
 751     case FMT_WKYR:
 752     case FMT_DATETIME:
 753     case FMT_TIME:
 754     case FMT_DTIME:
 755     case FMT_WKDAY:
 756     case FMT_MONTH:
 757       var_type_dialog_set_active_button(dialog, BUTTON_DATE);
 758       gtk_widget_hide(dialog->width_decimals);
 759       gtk_widget_show(dialog->date_format_list);
 760       select_treeview_from_format(dialog->date_format_treeview, write_spec);
 761       break;
 762     case FMT_CCA:
 763     case FMT_CCB:
 764     case FMT_CCC:
 765     case FMT_CCD:
 766     case FMT_CCE:
 767       var_type_dialog_set_active_button(dialog, BUTTON_CUSTOM);
 768       select_treeview_from_format_type(dialog->custom_treeview,
 769                                        write_spec->type);
 770       gtk_widget_show_all(dialog->width_decimals);
 771       break;
 772     default:
 773       gtk_widget_show_all(dialog->width_decimals);
 774       break;
 775     }
 776 }
 777
 778
 779 /* Popup the dialog box */
 780 void
 781 var_type_dialog_show(struct var_type_dialog *dialog)
 782 {
 783   var_type_dialog_set_state(dialog);
 784
 785   gtk_widget_show(dialog->window);
 786 }
 787
 788 /* Fills F with an output format specification with type TYPE, width
 789    W, and D decimals. Iff it's a valid format, then return true.
 790 */
 791 static bool
 792 make_output_format_try (struct fmt_spec *f, int type, int w, int d)
 793 {
 794   f->type = type;
 795   f->w = w;
 796   f->d = d;
 797   return fmt_check_output (f);
 798 }
 799
 800
 801
 802
 803 /* Callbacks for the Variable Type Dialog Box */
 804
 805 /* Callback for when the var type dialog is closed using the OK button.
 806    It sets the appropriate variable accordingly. */
 807 static gint
 808 on_var_type_ok_clicked(GtkWidget *w, gpointer data)
 809 {
 810   struct var_type_dialog *dialog = data;
 811
 812   g_assert(dialog);
 813   g_assert(dialog->pv);
 814
 815   {
 816     gint width = atoi(gtk_entry_get_text
 817                       (GTK_ENTRY(dialog->entry_width)));
 818
 819     gint decimals = atoi(gtk_entry_get_text
 820                          (GTK_ENTRY(dialog->entry_decimals)));
 821
 822     gint new_type = NUMERIC;
 823     gint new_width = 0;
 824     bool result = false;
 825     struct fmt_spec spec;
 826     switch (dialog->active_button)
 827       {
 828       case BUTTON_STRING:
 829         new_type = ALPHA;
 830         new_width = width;
 831         result = make_output_format_try(&spec, FMT_A, width, 0);
 832         break;
 833       case BUTTON_NUMERIC:
 834         result = make_output_format_try(&spec, FMT_F, width, decimals);
 835         break;
 836       case BUTTON_COMMA:
 837         result = make_output_format_try(&spec, FMT_COMMA, width, decimals);
 838         break;
 839       case BUTTON_DOT:
 840         result = make_output_format_try(&spec, FMT_DOT, width, decimals);
 841         break;
 842       case BUTTON_SCIENTIFIC:
 843         result = make_output_format_try(&spec, FMT_E, width, decimals);
 844         break;
 845       case BUTTON_DATE:
 846       case BUTTON_CUSTOM:
 847         g_assert(fmt_check_output(&dialog->fmt_l));
 848         result = memcpy(&spec, &dialog->fmt_l, sizeof(struct fmt_spec));
 849         break;
 850       case BUTTON_DOLLAR:
 851         result = make_output_format_try(&spec, FMT_DOLLAR, width, decimals);
 852         break;
 853       default:
 854         g_print("Unknown variable type: %d\n", dialog->active_button) ;
 855         result = false;
 856         break;
 857       }
 858
 859     if ( result == true )
 860       {
 861         psppire_variable_set_type(dialog->pv, new_type);
 862         psppire_variable_set_width(dialog->pv, new_width);
 863         psppire_variable_set_write_spec(dialog->pv, spec);
 864         psppire_variable_set_print_spec(dialog->pv, spec);
 865       }
 866
 867   }
 868   gtk_widget_hide(dialog->window);
 869
 870   return FALSE;
 871 }
 872
 873
 874
 875 gint
 876 on_var_type_cancel_clicked(GtkWidget *w,  gpointer data)
 877 {
 878   gtk_widget_hide(w);
 879
 880   return FALSE;
 881 }
 882