src/ui/gui/psppire-window.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2008  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 #include <config.h>
  18
  19 #include <gtk/gtksignal.h>
  20 #include <gtk/gtkwindow.h>
  21 #include <gtk/gtkcheckmenuitem.h>
  22
  23 #include <stdlib.h>
  24
  25 #include <gettext.h>
  26 #define _(msgid) gettext (msgid)
  27 #define N_(msgid) msgid
  28
  29 #include "psppire-window.h"
  30 #include "psppire-window-register.h"
  31
  32 static void psppire_window_base_finalize (PsppireWindowClass *, gpointer);
  33 static void psppire_window_base_init     (PsppireWindowClass *class);
  34 static void psppire_window_class_init    (PsppireWindowClass *class);
  35 static void psppire_window_init          (PsppireWindow      *window);
  36
  37
  38 static PsppireWindowClass *the_class;
  39 static GObjectClass *parent_class;
  40
  41 GType
  42 psppire_window_get_type (void)
  43 {
  44   static GType psppire_window_type = 0;
  45
  46   if (!psppire_window_type)
  47     {
  48       static const GTypeInfo psppire_window_info =
  49       {
  50         sizeof (PsppireWindowClass),
  51         (GBaseInitFunc) psppire_window_base_init,
  52         (GBaseFinalizeFunc) psppire_window_base_finalize,
  53         (GClassInitFunc) psppire_window_class_init,
  54         (GClassFinalizeFunc) NULL,
  55         NULL,
  56         sizeof (PsppireWindow),
  57         0,
  58         (GInstanceInitFunc) psppire_window_init,
  59       };
  60
  61       psppire_window_type =
  62         g_type_register_static (GTK_TYPE_WINDOW, "PsppireWindow",
  63                                 &psppire_window_info, 0);
  64     }
  65
  66   return psppire_window_type;
  67 }
  68
  69
  70 /* Properties */
  71 enum
  72 {
  73   PROP_0,
  74   PROP_FILENAME,
  75   PROP_USAGE
  76 };
  77
  78
  79 gchar *
  80 uniquify (const gchar *str, int *x)
  81 {
  82   return g_strdup_printf ("%s%d", str, (*x)++);
  83 }
  84
  85
  86
  87 static void
  88 psppire_window_set_property (GObject         *object,
  89                              guint            prop_id,
  90                              const GValue    *value,
  91                              GParamSpec      *pspec)
  92 {
  93   PsppireWindow *window = PSPPIRE_WINDOW (object);
  94
  95   switch (prop_id)
  96     {
  97     case PROP_USAGE:
  98       window->usage = g_value_get_enum (value);
  99       break;
 100     case PROP_FILENAME:
 101       {
 102         gchar mdash[6] = {0,0,0,0,0,0};
 103         gchar *basename, *title;
 104         const gchar *name = g_value_get_string (value);
 105         gchar *candidate_name = strdup (name);
 106         int x = 0;
 107
 108         PsppireWindowRegister *reg = psppire_window_register_new ();
 109
 110         while ( psppire_window_register_lookup (reg, candidate_name))
 111           {
 112             free (candidate_name);
 113             candidate_name = uniquify (name, &x);
 114           }
 115
 116         basename = g_path_get_basename (candidate_name);
 117         g_unichar_to_utf8 (0x2014, mdash);
 118
 119         switch (window->usage)
 120           {
 121           case PSPPIRE_WINDOW_USAGE_SYNTAX:
 122             title = g_strdup_printf ( _("%s %s PSPPIRE Syntax Editor"),
 123                                       basename, mdash);
 124             break;
 125           case PSPPIRE_WINDOW_USAGE_OUTPUT:
 126             title = g_strdup_printf ( _("%s %s PSPPIRE Output"),
 127                                       basename, mdash);
 128           case PSPPIRE_WINDOW_USAGE_DATA:
 129             title = g_strdup_printf ( _("%s %s PSPPIRE Data Editor"),
 130                                       basename, mdash);
 131             break;
 132           default:
 133             g_assert_not_reached ();
 134             break;
 135           }
 136
 137         gtk_window_set_title (GTK_WINDOW (window), title);
 138
 139         if ( window->name)
 140           psppire_window_register_remove (reg, window->name);
 141
 142         free (window->name);
 143         window->name = candidate_name;
 144
 145         psppire_window_register_insert (reg, window, window->name);
 146
 147         free (basename);
 148         free (title);
 149       }
 150       break;
 151     default:
 152       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 153       break;
 154     };
 155 }
 156
 157
 158 static void
 159 psppire_window_get_property (GObject         *object,
 160                              guint            prop_id,
 161                              GValue          *value,
 162                              GParamSpec      *pspec)
 163 {
 164   PsppireWindow *window = PSPPIRE_WINDOW (object);
 165
 166   switch (prop_id)
 167     {
 168     case PROP_USAGE:
 169       g_value_set_enum (value, window->usage);
 170       break;
 171     case PROP_FILENAME:
 172       g_value_set_string (value, window->name);
 173       break;
 174     default:
 175       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 176       break;
 177     };
 178 }
 179
 180
 181
 182 static void
 183 psppire_window_finalize (GObject *object)
 184 {
 185   PsppireWindow *window = PSPPIRE_WINDOW (object);
 186
 187   PsppireWindowRegister *reg = psppire_window_register_new ();
 188
 189   psppire_window_register_remove (reg, window->name);
 190   free (window->name);
 191
 192   g_signal_handler_disconnect (psppire_window_register_new (),
 193                                window->remove_handler);
 194
 195   g_signal_handler_disconnect (psppire_window_register_new (),
 196                                window->insert_handler);
 197
 198   g_hash_table_destroy (window->menuitem_table);
 199
 200   if (G_OBJECT_CLASS (parent_class)->finalize)
 201     G_OBJECT_CLASS (parent_class)->finalize (object);
 202 }
 203
 204
 205 static void
 206 psppire_window_class_init (PsppireWindowClass *class)
 207 {
 208   GObjectClass *object_class = G_OBJECT_CLASS (class);
 209
 210   GParamSpec *use_class_spec =
 211     g_param_spec_enum ("usage",
 212                        "Usage",
 213                        "What the window is used for",
 214                        G_TYPE_PSPPIRE_WINDOW_USAGE,
 215                        PSPPIRE_WINDOW_USAGE_SYNTAX /* default value */,
 216                        G_PARAM_CONSTRUCT_ONLY |G_PARAM_READABLE | G_PARAM_WRITABLE);
 217
 218
 219   GParamSpec *filename_spec =
 220     g_param_spec_string ("filename",
 221                        "File name",
 222                        "The name of the file associated with this window, if any",
 223                          "Untitled",
 224                          G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT
 225                          );
 226
 227
 228   object_class->set_property = psppire_window_set_property;
 229   object_class->get_property = psppire_window_get_property;
 230
 231   g_object_class_install_property (object_class,
 232                                    PROP_FILENAME,
 233                                    filename_spec);
 234
 235   g_object_class_install_property (object_class,
 236                                    PROP_USAGE,
 237                                    use_class_spec);
 238
 239
 240   the_class = class;
 241   parent_class = g_type_class_peek_parent (class);
 242 }
 243
 244
 245 static void
 246 psppire_window_base_init (PsppireWindowClass *class)
 247 {
 248   GObjectClass *object_class = G_OBJECT_CLASS (class);
 249
 250   object_class->finalize = psppire_window_finalize;
 251 }
 252
 253
 254
 255 static void
 256 psppire_window_base_finalize (PsppireWindowClass *class,
 257                                 gpointer class_data)
 258 {
 259 }
 260
 261 static void
 262 insert_menuitem_into_menu (PsppireWindow *window, gpointer key)
 263 {
 264   GtkWidget *item = gtk_check_menu_item_new_with_label (key);
 265
 266   gtk_widget_show (item);
 267
 268   gtk_menu_shell_append (window->menu, item);
 269
 270   gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item),
 271                                   (psppire_window_register_lookup (psppire_window_register_new (), key) == window));
 272
 273   g_hash_table_insert (window->menuitem_table, key, item);
 274 }
 275
 276 static void
 277 insert_item (gpointer key, gpointer value, gpointer data)
 278 {
 279   PsppireWindow *window = PSPPIRE_WINDOW (data);
 280
 281   if ( NULL != g_hash_table_lookup (window->menuitem_table, key))
 282     return;
 283
 284   insert_menuitem_into_menu (window, key);
 285 }
 286
 287 /* Insert a new item into the window menu */
 288 static void
 289 insert_menuitem (GObject *reg, const gchar *key, gpointer data)
 290 {
 291   PsppireWindow *window = PSPPIRE_WINDOW (data);
 292
 293   insert_menuitem_into_menu (window, (gpointer) key);
 294 }
 295
 296
 297 static void
 298 remove_menuitem (PsppireWindowRegister *reg, const gchar *key, gpointer data)
 299 {
 300   PsppireWindow *window = PSPPIRE_WINDOW (data);
 301   GtkWidget *item ;
 302
 303   if ( !GTK_WIDGET_REALIZED (window))
 304     return;
 305
 306   item = g_hash_table_lookup (window->menuitem_table, key);
 307
 308   g_hash_table_remove (window->menuitem_table, key);
 309
 310   gtk_container_remove (GTK_CONTAINER (window->menu), item);
 311 }
 312
 313 static void
 314 insert_existing_items (PsppireWindow *window)
 315 {
 316   psppire_window_register_foreach (psppire_window_register_new (), insert_item, window);
 317 }
 318
 319 static void
 320 psppire_window_init (PsppireWindow *window)
 321 {
 322   window->name = NULL;
 323   window->menu = NULL;
 324
 325   window->menuitem_table  = g_hash_table_new (g_str_hash, g_str_equal);
 326
 327
 328   g_signal_connect (window,  "realize", G_CALLBACK (insert_existing_items), NULL);
 329
 330   window->insert_handler = g_signal_connect (psppire_window_register_new (),
 331                                              "inserted",
 332                                              G_CALLBACK (insert_menuitem),
 333                                              window);
 334
 335   window->remove_handler = g_signal_connect (psppire_window_register_new (),
 336                                              "removed",
 337                                              G_CALLBACK (remove_menuitem),
 338                                              window);
 339 }
 340
 341
 342 GtkWidget*
 343 psppire_window_new (PsppireWindowUsage usage)
 344 {
 345   return GTK_WIDGET (g_object_new (psppire_window_get_type (),
 346                                    "type", GTK_WINDOW_TOPLEVEL,
 347                                    "usage", usage,
 348                                    NULL));
 349 }
 350
 351
 352 const gchar *
 353 psppire_window_get_filename (PsppireWindow *w)
 354 {
 355   const gchar *name = NULL;
 356   g_object_get (w, "filename", name, NULL);
 357   return name;
 358 }
 359
 360
 361 void
 362 psppire_window_set_filename (PsppireWindow *w, const gchar *filename)
 363 {
 364   g_object_set (w, "filename", filename, NULL);
 365 }
 366
 367 \f
 368
 369 GType
 370 psppire_window_usage_get_type (void)
 371 {
 372   static GType etype = 0;
 373   if (etype == 0)
 374     {
 375       static const GEnumValue values[] = {
 376         { PSPPIRE_WINDOW_USAGE_SYNTAX, "PSPPIRE_WINDOW_USAGE_SYNTAX",
 377           "Syntax" },
 378
 379         { PSPPIRE_WINDOW_USAGE_OUTPUT, "PSPPIRE_WINDOW_USAGE_OUTPUT",
 380           "Output" },
 381
 382         { PSPPIRE_WINDOW_USAGE_DATA,   "PSPPIRE_WINDOW_USAGE_DATA",
 383           "Data" },
 384
 385         { 0, NULL, NULL }
 386       };
 387
 388       etype = g_enum_register_static (g_intern_static_string ("PsppireWindowUsage"),
 389                                       values);
 390     }
 391
 392   return etype;
 393 }
 394
 395
 396
 397 static void
 398 minimise_window (gpointer key, gpointer value, gpointer data)
 399 {
 400   gtk_window_iconify (GTK_WINDOW (value));
 401 }
 402
 403
 404 void
 405 psppire_window_minimise_all (void)
 406 {
 407   PsppireWindowRegister *reg = psppire_window_register_new ();
 408
 409   g_hash_table_foreach (reg->name_table, minimise_window, NULL);
 410 }