pintos-os.org Git - pspp/blob - src/ui/gui/psppire-dialog.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2007, 2010, 2011, 2012  Free Software Foundation
   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 as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17
  18 #include <config.h>
  19
  20 #include <gtk/gtk.h>
  21 #include "psppire-dialog.h"
  22 #include "psppire-buttonbox.h"
  23 #include "psppire-selector.h"
  24 #include <string.h>
  25 #include "builder-wrapper.h"
  26 #include "help-menu.h"
  27
  28 #include "psppire-window-base.h"
  29
  30 static void psppire_dialog_class_init          (PsppireDialogClass *);
  31 static void psppire_dialog_init                (PsppireDialog      *);
  32
  33
  34 enum  {DIALOG_REFRESH,
  35        RESPONSE,
  36        VALIDITY_CHANGED,
  37        DIALOG_HELP,
  38        n_SIGNALS};
  39
  40 static guint signals [n_SIGNALS];
  41
  42
  43 static void psppire_dialog_buildable_init (GtkBuildableIface *iface);
  44
  45
  46 GType
  47 psppire_dialog_get_type (void)
  48 {
  49   static GType dialog_type = 0;
  50
  51   if (!dialog_type)
  52     {
  53       static const GTypeInfo dialog_info =
  54       {
  55         sizeof (PsppireDialogClass),
  56         NULL, /* base_init */
  57         NULL, /* base_finalize */
  58         (GClassInitFunc) psppire_dialog_class_init,
  59         NULL, /* class_finalize */
  60         NULL, /* class_data */
  61         sizeof (PsppireDialog),
  62         0,
  63         (GInstanceInitFunc) psppire_dialog_init,
  64       };
  65
  66       static const GInterfaceInfo buildable_info =
  67       {
  68         (GInterfaceInitFunc) psppire_dialog_buildable_init,
  69         NULL,
  70         NULL
  71       };
  72
  73       dialog_type = g_type_register_static (PSPPIRE_TYPE_WINDOW_BASE,
  74                                             "PsppireDialog", &dialog_info, 0);
  75
  76       g_type_add_interface_static (dialog_type,
  77                                    GTK_TYPE_BUILDABLE,
  78                                    &buildable_info);
  79     }
  80
  81   return dialog_type;
  82 }
  83
  84
  85
  86 static GObjectClass     *parent_class = NULL;
  87
  88
  89 static void
  90 psppire_dialog_finalize (GObject *object)
  91 {
  92   PsppireDialog *dialog ;
  93
  94   g_return_if_fail (object != NULL);
  95   g_return_if_fail (PSPPIRE_IS_DIALOG (object));
  96
  97   dialog = PSPPIRE_DIALOG (object);
  98
  99   if (G_OBJECT_CLASS (parent_class)->finalize)
 100     G_OBJECT_CLASS (parent_class)->finalize (object);
 101 }
 102
 103
 104
 105 /* Properties */
 106 enum
 107 {
 108   PROP_0,
 109   PROP_ORIENTATION,
 110   PROP_SLIDING
 111 };
 112
 113
 114 static void
 115 psppire_dialog_get_property (GObject         *object,
 116                              guint            prop_id,
 117                              GValue          *value,
 118                              GParamSpec      *pspec)
 119 {
 120   PsppireDialog *dialog = PSPPIRE_DIALOG (object);
 121
 122   switch (prop_id)
 123     {
 124     case PROP_ORIENTATION:
 125       {
 126         if ( GTK_IS_VBOX (dialog->box) || GTK_VPANED (dialog->box))
 127           g_value_set_enum (value, PSPPIRE_VERTICAL);
 128         else if ( GTK_IS_HBOX (dialog->box) || GTK_HPANED (dialog->box))
 129           g_value_set_enum (value, PSPPIRE_HORIZONTAL);
 130         else if ( GTK_IS_TABLE (dialog->box))
 131           g_value_set_enum (value, PSPPIRE_TABULAR);
 132       }
 133       break;
 134     case PROP_SLIDING:
 135       g_value_set_boolean (value, dialog->slidable);
 136       break;
 137     default:
 138       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 139       break;
 140     };
 141 }
 142
 143
 144 static void
 145 dialog_set_container (PsppireDialog *dialog)
 146 {
 147   if ( dialog->box != NULL)
 148     {
 149       gtk_container_remove (GTK_CONTAINER (dialog), dialog->box);
 150     }
 151
 152   switch (dialog->orientation)
 153     {
 154     case PSPPIRE_HORIZONTAL:
 155       if ( dialog->slidable)
 156         dialog->box = gtk_hpaned_new();
 157       else
 158         dialog->box = gtk_hbox_new (FALSE, 5);
 159       break;
 160     case PSPPIRE_VERTICAL:
 161       if ( dialog->slidable)
 162         dialog->box = gtk_vpaned_new();
 163       else
 164         dialog->box = gtk_vbox_new (FALSE, 5);
 165       break;
 166     case PSPPIRE_TABULAR:
 167       dialog->box = gtk_table_new (2, 3, FALSE);
 168       g_object_set (dialog->box,
 169                     "row-spacing", 5,
 170                     "column-spacing", 5,
 171                     NULL);
 172       break;
 173     }
 174
 175   gtk_widget_show_all (dialog->box);
 176   gtk_container_add (GTK_CONTAINER (dialog), dialog->box);
 177 }
 178
 179
 180 static void
 181 psppire_dialog_set_property (GObject         *object,
 182                              guint            prop_id,
 183                              const GValue    *value,
 184                              GParamSpec      *pspec)
 185
 186 {
 187   PsppireDialog *dialog = PSPPIRE_DIALOG (object);
 188
 189   switch (prop_id)
 190     {
 191     case PROP_SLIDING:
 192       dialog->slidable = g_value_get_boolean (value);
 193       break;
 194     case PROP_ORIENTATION:
 195       dialog->orientation = g_value_get_enum (value);
 196       break;
 197     default:
 198       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 199       break;
 200     };
 201
 202   dialog_set_container (dialog);
 203 }
 204
 205
 206 static GParamSpec *orientation_spec ;
 207
 208 static void
 209 psppire_dialog_class_init (PsppireDialogClass *class)
 210 {
 211   GObjectClass *object_class = (GObjectClass *) class;
 212
 213   GParamSpec *sliding_spec ;
 214
 215   orientation_spec =
 216     g_param_spec_enum ("orientation",
 217                        "Orientation",
 218                        "Which way widgets are packed",
 219                        PSPPIRE_TYPE_ORIENTATION,
 220                        PSPPIRE_HORIZONTAL /* default value */,
 221                        G_PARAM_CONSTRUCT_ONLY |G_PARAM_READWRITE);
 222
 223   sliding_spec =
 224     g_param_spec_boolean ("slidable",
 225                           "Slidable",
 226                           "Can the container be sized by the user",
 227                           FALSE,
 228                           G_PARAM_CONSTRUCT_ONLY |G_PARAM_READWRITE);
 229
 230   object_class->set_property = psppire_dialog_set_property;
 231   object_class->get_property = psppire_dialog_get_property;
 232
 233   g_object_class_install_property (object_class,
 234                                    PROP_ORIENTATION,
 235                                    orientation_spec);
 236
 237
 238   g_object_class_install_property (object_class,
 239                                    PROP_SLIDING,
 240                                    sliding_spec);
 241
 242   signals [DIALOG_REFRESH] =
 243     g_signal_new ("refresh",
 244                   G_TYPE_FROM_CLASS (class),
 245                   G_SIGNAL_RUN_FIRST,
 246                   0,
 247                   NULL, NULL,
 248                   g_cclosure_marshal_VOID__VOID,
 249                   G_TYPE_NONE,
 250                   0);
 251
 252
 253   signals [RESPONSE] =
 254     g_signal_new ("response",
 255                   G_TYPE_FROM_CLASS (class),
 256                   G_SIGNAL_RUN_FIRST,
 257                   0,
 258                   NULL, NULL,
 259                   g_cclosure_marshal_VOID__INT,
 260                   G_TYPE_NONE,
 261                   1,
 262                   G_TYPE_INT);
 263
 264
 265   signals [VALIDITY_CHANGED] =
 266     g_signal_new ("validity-changed",
 267                   G_TYPE_FROM_CLASS (class),
 268                   G_SIGNAL_RUN_FIRST,
 269                   0,
 270                   NULL, NULL,
 271                   g_cclosure_marshal_VOID__BOOLEAN,
 272                   G_TYPE_NONE,
 273                   1,
 274                   G_TYPE_BOOLEAN);
 275
 276
 277   signals [DIALOG_HELP] =
 278     g_signal_new ("help",
 279                   G_TYPE_FROM_CLASS (class),
 280                   G_SIGNAL_RUN_FIRST,
 281                   0,
 282                   NULL, NULL,
 283                   g_cclosure_marshal_VOID__STRING,
 284                   G_TYPE_NONE,
 285                   1,
 286                   G_TYPE_STRING);
 287
 288
 289   object_class->finalize = psppire_dialog_finalize;
 290 }
 291
 292
 293
 294
 295 static void
 296 close_dialog (GtkWidget *w, gpointer data)
 297 {
 298   PsppireDialog *dialog = data;
 299
 300   psppire_dialog_close (dialog);
 301 }
 302
 303 void
 304 psppire_dialog_close (PsppireDialog *dialog)
 305 {
 306   g_main_loop_quit (dialog->loop);
 307   gtk_widget_hide (GTK_WIDGET (dialog));
 308 }
 309
 310
 311 static void
 312 delete_event_callback (GtkWidget *w, GdkEvent *e, gpointer data)
 313 {
 314   close_dialog (w, data);
 315 }
 316
 317
 318 static void
 319 psppire_dialog_init (PsppireDialog *dialog)
 320 {
 321   GValue value = {0};
 322   dialog->box = NULL;
 323   dialog->contents_are_valid = NULL;
 324   dialog->validity_data = NULL;
 325   dialog->slidable = FALSE;
 326
 327   g_value_init (&value, orientation_spec->value_type);
 328   g_param_value_set_default (orientation_spec, &value);
 329
 330   gtk_window_set_type_hint (GTK_WINDOW (dialog),
 331         GDK_WINDOW_TYPE_HINT_DIALOG);
 332
 333   g_value_unset (&value);
 334
 335   g_signal_connect (dialog, "delete-event",
 336                     G_CALLBACK (delete_event_callback),
 337                     dialog);
 338
 339   gtk_window_set_type_hint (GTK_WINDOW (dialog),
 340         GDK_WINDOW_TYPE_HINT_DIALOG);
 341
 342   g_object_set (dialog, "icon-name", "pspp", NULL);
 343 }
 344
 345
 346 GtkWidget*
 347 psppire_dialog_new (void)
 348 {
 349   PsppireDialog *dialog ;
 350
 351   dialog = g_object_new (psppire_dialog_get_type (),
 352                          NULL);
 353
 354   return GTK_WIDGET (dialog) ;
 355 }
 356
 357
 358 void
 359 psppire_dialog_notify_change (PsppireDialog *dialog)
 360 {
 361   if ( dialog->contents_are_valid )
 362     {
 363       gboolean valid = dialog->contents_are_valid (dialog->validity_data);
 364
 365       g_signal_emit (dialog, signals [VALIDITY_CHANGED], 0, valid);
 366     }
 367 }
 368
 369
 370 /* Descend the widget tree, connecting appropriate signals to the
 371    psppire_dialog_notify_change callback */
 372 static void
 373 connect_notify_signal (GtkWidget *w, gpointer data)
 374 {
 375   PsppireDialog *dialog = data;
 376
 377   if ( PSPPIRE_IS_BUTTONBOX (w))
 378     return;
 379
 380   if ( GTK_IS_CONTAINER (w))
 381     {
 382       gtk_container_foreach (GTK_CONTAINER (w),
 383                              connect_notify_signal,
 384                              dialog);
 385     }
 386
 387
 388   /* It's unfortunate that GTK+ doesn't have a generic
 389      "user-modified-state-changed" signal.  Instead, we have to try and
 390      predict what widgets and signals are likely to exist in our dialogs. */
 391
 392   if ( GTK_IS_TOGGLE_BUTTON (w))
 393     {
 394       g_signal_connect_swapped (w, "toggled",
 395                                 G_CALLBACK (psppire_dialog_notify_change),
 396                                 dialog);
 397     }
 398
 399   if ( PSPPIRE_IS_SELECTOR (w))
 400     {
 401       g_signal_connect_swapped (w, "selected",
 402                                 G_CALLBACK (psppire_dialog_notify_change),
 403                                 dialog);
 404
 405       g_signal_connect_swapped (w, "de-selected",
 406                                 G_CALLBACK (psppire_dialog_notify_change),
 407                                 dialog);
 408     }
 409
 410   if ( GTK_IS_EDITABLE (w))
 411     {
 412       g_signal_connect_swapped (w, "changed",
 413                                 G_CALLBACK (psppire_dialog_notify_change),
 414                                 dialog);
 415     }
 416
 417   if ( GTK_IS_CELL_EDITABLE (w))
 418     {
 419       g_signal_connect_swapped (w, "editing-done",
 420                                 G_CALLBACK (psppire_dialog_notify_change),
 421                                 dialog);
 422     }
 423
 424   if ( GTK_IS_TEXT_VIEW (w))
 425     {
 426       GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (w));
 427
 428       g_signal_connect_swapped (buffer, "changed",
 429                                 G_CALLBACK (psppire_dialog_notify_change),
 430                                 dialog);
 431     }
 432
 433   if ( GTK_IS_TREE_VIEW (w))
 434     {
 435       gint i = 0;
 436       GtkTreeView *tv = GTK_TREE_VIEW (w);
 437       GtkTreeSelection *selection =
 438         gtk_tree_view_get_selection (tv);
 439       GtkTreeViewColumn *col;
 440       GtkTreeModel *model = gtk_tree_view_get_model (tv);
 441
 442       if ( model)
 443         {
 444       g_signal_connect_swapped (model, "row-changed",
 445                                 G_CALLBACK (psppire_dialog_notify_change),
 446                                 dialog);
 447
 448       g_signal_connect_swapped (model, "row-deleted",
 449                                 G_CALLBACK (psppire_dialog_notify_change),
 450                                 dialog);
 451
 452       g_signal_connect_swapped (model, "row-inserted",
 453                                 G_CALLBACK (psppire_dialog_notify_change),
 454                                 dialog);
 455         }
 456
 457       g_signal_connect_swapped (selection, "changed",
 458                                 G_CALLBACK (psppire_dialog_notify_change),
 459                                 dialog);
 460
 461       while ((col = gtk_tree_view_get_column (tv, i++)))
 462         {
 463           GList *renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (col));
 464           GList *start = renderers;
 465           while (renderers)
 466             {
 467               if ( GTK_IS_CELL_RENDERER_TOGGLE (renderers->data))
 468                 g_signal_connect_swapped (renderers->data, "toggled",
 469                                           G_CALLBACK (psppire_dialog_notify_change), dialog);
 470               renderers = renderers->next;
 471             }
 472           g_list_free (start);
 473         }
 474     }
 475 }
 476
 477
 478 gint
 479 psppire_dialog_run (PsppireDialog *dialog)
 480 {
 481   if ( dialog->contents_are_valid != NULL )
 482     gtk_container_foreach (GTK_CONTAINER (dialog->box),
 483                            connect_notify_signal,
 484                            dialog);
 485
 486   dialog->loop = g_main_loop_new (NULL, FALSE);
 487
 488   gtk_widget_show (GTK_WIDGET (dialog));
 489
 490   if ( dialog->contents_are_valid != NULL)
 491     g_signal_emit (dialog, signals [VALIDITY_CHANGED], 0, FALSE);
 492
 493   g_signal_emit (dialog, signals [DIALOG_REFRESH], 0);
 494
 495   gdk_threads_leave ();
 496   g_main_loop_run (dialog->loop);
 497   gdk_threads_enter ();
 498
 499   g_main_loop_unref (dialog->loop);
 500
 501   g_signal_emit (dialog, signals [RESPONSE], 0, dialog->response);
 502
 503   return dialog->response;
 504 }
 505
 506
 507 void
 508 psppire_dialog_reload (PsppireDialog *dialog)
 509 {
 510   g_signal_emit (dialog, signals [DIALOG_REFRESH], 0);
 511 }
 512
 513
 514 void
 515 psppire_dialog_help (PsppireDialog *dialog)
 516 {
 517   char *name = NULL;
 518   g_object_get (dialog, "name", &name, NULL);
 519
 520   online_help (name);
 521
 522   g_signal_emit (dialog, signals [DIALOG_HELP], 0, name);
 523 }
 524
 525
 526 GType
 527 psppire_orientation_get_type (void)
 528 {
 529   static GType etype = 0;
 530   if (etype == 0)
 531     {
 532       static const GEnumValue values[] =
 533         {
 534           { PSPPIRE_HORIZONTAL, "PSPPIRE_HORIZONTAL", "Horizontal" },
 535           { PSPPIRE_VERTICAL,   "PSPPIRE_VERTICAL",   "Vertical" },
 536           { PSPPIRE_TABULAR,   "PSPPIRE_TABULAR",   "Tabular" },
 537           { 0, NULL, NULL }
 538         };
 539
 540       etype = g_enum_register_static
 541         (g_intern_static_string ("PsppireOrientation"), values);
 542
 543     }
 544   return etype;
 545 }
 546
 547
 548 void
 549 psppire_dialog_set_valid_predicate (PsppireDialog *dialog,
 550                                     ContentsAreValid contents_are_valid,
 551                                     gpointer data)
 552 {
 553   dialog->contents_are_valid = contents_are_valid;
 554   dialog->validity_data = data;
 555 }
 556
 557
 558
 559
 560
 561 static GObject *
 562 get_internal_child    (GtkBuildable *buildable,
 563                        GtkBuilder *builder,
 564                        const gchar *childname)
 565 {
 566   PsppireDialog *dialog = PSPPIRE_DIALOG (buildable);
 567
 568   if ( 0 == strcmp (childname, "hbox"))
 569     return G_OBJECT (dialog->box);
 570
 571   return NULL;
 572 }
 573
 574
 575
 576 static void
 577 psppire_dialog_buildable_init (GtkBuildableIface *iface)
 578 {
 579   iface->get_internal_child = get_internal_child;
 580 }