src/ui/gui/psppire-buttonbox.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2007  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 <glib.h>
  21 #include <gtk/gtk.h>
  22 #include <gtk/gtksignal.h>
  23 #include "psppire-buttonbox.h"
  24 #include "psppire-dialog.h"
  25
  26 #include <gettext.h>
  27
  28 #define _(msgid) gettext (msgid)
  29 #define N_(msgid) msgid
  30
  31 GType psppire_button_flags_get_type (void);
  32
  33
  34 static void psppire_button_box_class_init          (PsppireButtonBoxClass *);
  35 static void psppire_button_box_init                (PsppireButtonBox      *);
  36
  37
  38 GType
  39 psppire_button_box_get_type (void)
  40 {
  41   static GType button_box_type = 0;
  42
  43   if (!button_box_type)
  44     {
  45       static const GTypeInfo button_box_info =
  46       {
  47         sizeof (PsppireButtonBoxClass),
  48         NULL, /* base_init */
  49         NULL, /* base_finalize */
  50         (GClassInitFunc) psppire_button_box_class_init,
  51         NULL, /* class_finalize */
  52         NULL, /* class_data */
  53         sizeof (PsppireButtonBox),
  54         0,
  55         (GInstanceInitFunc) psppire_button_box_init,
  56       };
  57
  58       button_box_type = g_type_register_static (GTK_TYPE_BUTTON_BOX,
  59                                             "PsppireButtonBox", &button_box_info, 0);
  60     }
  61
  62   return button_box_type;
  63 }
  64
  65 enum {
  66   PROP_BUTTONS = 1
  67 };
  68
  69 static void
  70 psppire_buttonbox_set_property (GObject         *object,
  71                                guint            prop_id,
  72                                const GValue    *value,
  73                                GParamSpec      *pspec)
  74 {
  75   gint i;
  76   guint flags;
  77   PsppireButtonBox *bb = PSPPIRE_BUTTONBOX (object);
  78   if ( prop_id != PROP_BUTTONS)
  79     {
  80       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
  81       return ;
  82     }
  83
  84   flags = g_value_get_flags (value);
  85
  86   for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
  87     g_object_set (bb->button[i], "visible", 0x01 & (flags >> i)  , NULL);
  88 }
  89
  90 static void
  91 psppire_buttonbox_get_property (GObject         *object,
  92                                guint            prop_id,
  93                                GValue          *value,
  94                                GParamSpec      *pspec)
  95 {
  96   guint flags = 0;
  97   gint i;
  98
  99   PsppireButtonBox *bb = PSPPIRE_BUTTONBOX (object);
 100
 101   if  (PROP_BUTTONS != prop_id)
 102     {
 103       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 104       return;
 105     }
 106
 107   for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
 108     {
 109       gboolean visibility;
 110       g_object_get (bb->button[i], "visible", &visibility, NULL);
 111
 112       if ( visibility )
 113         flags |= (0x01 << i);
 114     }
 115
 116   g_value_set_flags (value, flags);
 117 }
 118
 119
 120 typedef enum
 121   {
 122     PSPPIRE_BUTTON_OK_MASK     = (1 << PSPPIRE_BUTTON_OK),
 123     PSPPIRE_BUTTON_GOTO_MASK   = (1 << PSPPIRE_BUTTON_GOTO),
 124     PSPPIRE_BUTTON_CONTINUE_MASK = (1 << PSPPIRE_BUTTON_CONTINUE),
 125     PSPPIRE_BUTTON_CANCEL_MASK = (1 << PSPPIRE_BUTTON_CANCEL),
 126     PSPPIRE_BUTTON_HELP_MASK   = (1 << PSPPIRE_BUTTON_HELP),
 127     PSPPIRE_BUTTON_RESET_MASK  = (1 << PSPPIRE_BUTTON_RESET),
 128     PSPPIRE_BUTTON_PASTE_MASK  = (1 << PSPPIRE_BUTTON_PASTE)
 129   } PsppireButtonMask;
 130
 131 static GParamSpec *button_flags;
 132
 133 static void
 134 psppire_button_box_class_init (PsppireButtonBoxClass *class)
 135 {
 136   GObjectClass *object_class = G_OBJECT_CLASS (class);
 137
 138   object_class->set_property = psppire_buttonbox_set_property;
 139   object_class->get_property = psppire_buttonbox_get_property;
 140
 141   button_flags =
 142     g_param_spec_flags ("buttons",
 143                         _("Buttons"),
 144                         _("The mask that decides what buttons appear in the button box"),
 145                         G_TYPE_PSPPIRE_BUTTON_MASK,
 146                         PSPPIRE_BUTTON_OK_MASK |
 147                         PSPPIRE_BUTTON_CANCEL_MASK |
 148                         PSPPIRE_BUTTON_RESET_MASK |
 149                         PSPPIRE_BUTTON_HELP_MASK |
 150                         PSPPIRE_BUTTON_PASTE_MASK,
 151                         G_PARAM_READWRITE);
 152
 153
 154   g_object_class_install_property (object_class,
 155                                    PROP_BUTTONS,
 156                                    button_flags);
 157
 158 }
 159
 160 static void
 161 close_and_respond (GtkWidget *w, gint response)
 162 {
 163   PsppireDialog *dialog;
 164
 165   GtkWidget *toplevel = gtk_widget_get_toplevel (w);
 166
 167   /* If we're not in a psppire dialog (for example when in glade)
 168      then do nothing */
 169   if ( ! PSPPIRE_IS_DIALOG (toplevel))
 170     return;
 171
 172   dialog = PSPPIRE_DIALOG (toplevel);
 173
 174   dialog->response = response;
 175
 176   psppire_dialog_close (dialog);
 177 }
 178
 179
 180 static void
 181 close_dialog (GtkWidget *w, gpointer data)
 182 {
 183   close_and_respond (w, GTK_RESPONSE_CLOSE);
 184 }
 185
 186 static void
 187 continue_button_clicked (GtkWidget *w, gpointer data)
 188 {
 189   close_and_respond (w, PSPPIRE_RESPONSE_CONTINUE);
 190 }
 191
 192
 193 static void
 194 ok_button_clicked (GtkWidget *w, gpointer data)
 195 {
 196   close_and_respond (w, GTK_RESPONSE_OK);
 197 }
 198
 199
 200 static void
 201 paste_button_clicked (GtkWidget *w, gpointer data)
 202 {
 203   close_and_respond (w, PSPPIRE_RESPONSE_PASTE);
 204 }
 205
 206 static void
 207 goto_button_clicked (GtkWidget *w, gpointer data)
 208 {
 209   close_and_respond (w, PSPPIRE_RESPONSE_GOTO);
 210 }
 211
 212
 213 static void
 214 refresh_clicked (GtkWidget *w, gpointer data)
 215 {
 216   GtkWidget *toplevel = gtk_widget_get_toplevel (w);
 217   PsppireDialog *dialog;
 218
 219   if ( ! PSPPIRE_IS_DIALOG (toplevel))
 220     return;
 221
 222   dialog = PSPPIRE_DIALOG (toplevel);
 223
 224   psppire_dialog_reload (dialog);
 225 }
 226
 227
 228
 229 static void
 230 on_validity_change (GtkWidget *toplevel, gboolean valid, gpointer data)
 231 {
 232   PsppireButtonBox *bb = data;
 233
 234   /* Set the sensitivity of all the 'executive order' buttons */
 235   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_OK]), valid);
 236   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_PASTE]), valid);
 237   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_GOTO]), valid);
 238   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_CONTINUE]), valid);
 239 }
 240
 241 static void
 242 on_realize (GtkWidget *buttonbox, gpointer data)
 243 {
 244   GtkWidget *toplevel = gtk_widget_get_toplevel (buttonbox);
 245
 246   if ( PSPPIRE_IS_DIALOG (toplevel))
 247     {
 248       g_signal_connect (toplevel, "validity-changed",
 249                         G_CALLBACK (on_validity_change), buttonbox);
 250     }
 251 }
 252
 253 static void
 254 psppire_button_box_init (PsppireButtonBox *bb)
 255 {
 256
 257   bb->button[PSPPIRE_BUTTON_OK] = gtk_button_new_from_stock (GTK_STOCK_OK);
 258   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_OK]);
 259   g_signal_connect (bb->button[PSPPIRE_BUTTON_OK], "clicked",
 260                     G_CALLBACK (ok_button_clicked), NULL);
 261   g_object_set (bb->button[PSPPIRE_BUTTON_OK], "no-show-all", TRUE, NULL);
 262
 263
 264   bb->button[PSPPIRE_BUTTON_GOTO] =
 265     gtk_button_new_from_stock (GTK_STOCK_JUMP_TO);
 266   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_GOTO]);
 267   g_signal_connect (bb->button[PSPPIRE_BUTTON_GOTO], "clicked",
 268                     G_CALLBACK (goto_button_clicked), NULL);
 269   g_object_set (bb->button[PSPPIRE_BUTTON_GOTO], "no-show-all", TRUE, NULL);
 270
 271
 272   bb->button[PSPPIRE_BUTTON_CONTINUE] =
 273     gtk_button_new_with_mnemonic (_("Continue"));
 274
 275   gtk_box_pack_start_defaults (GTK_BOX (bb),
 276                                bb->button[PSPPIRE_BUTTON_CONTINUE]);
 277   g_signal_connect (bb->button[PSPPIRE_BUTTON_CONTINUE], "clicked",
 278                     G_CALLBACK (continue_button_clicked), NULL);
 279
 280   g_object_set (bb->button[PSPPIRE_BUTTON_CONTINUE],
 281                 "no-show-all", TRUE, NULL);
 282
 283
 284
 285   bb->button[PSPPIRE_BUTTON_PASTE] = gtk_button_new_from_stock (GTK_STOCK_PASTE);
 286   g_signal_connect (bb->button[PSPPIRE_BUTTON_PASTE], "clicked",
 287                     G_CALLBACK (paste_button_clicked), NULL);
 288   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_PASTE]);
 289   g_object_set (bb->button[PSPPIRE_BUTTON_PASTE], "no-show-all", TRUE, NULL);
 290
 291   bb->button[PSPPIRE_BUTTON_CANCEL] = gtk_button_new_from_stock (GTK_STOCK_CANCEL);
 292   g_signal_connect (bb->button[PSPPIRE_BUTTON_CANCEL], "clicked",
 293                     G_CALLBACK (close_dialog), NULL);
 294   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_CANCEL]);
 295   g_object_set (bb->button[PSPPIRE_BUTTON_CANCEL], "no-show-all", TRUE, NULL);
 296
 297
 298   bb->button[PSPPIRE_BUTTON_RESET] = gtk_button_new_from_stock ("pspp-stock-reset");
 299   g_signal_connect (bb->button[PSPPIRE_BUTTON_RESET], "clicked",
 300                     G_CALLBACK (refresh_clicked), NULL);
 301   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_RESET]);
 302   g_object_set (bb->button[PSPPIRE_BUTTON_RESET], "no-show-all", TRUE, NULL);
 303
 304
 305   bb->button[PSPPIRE_BUTTON_HELP] = gtk_button_new_from_stock (GTK_STOCK_HELP);
 306   gtk_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_HELP]);
 307   g_object_set (bb->button[PSPPIRE_BUTTON_HELP], "no-show-all", TRUE, NULL);
 308
 309
 310   /* Set the default visibilities */
 311   {
 312     GValue value = { 0 };
 313     guint flags;
 314     gint i;
 315     g_value_init (&value, button_flags->value_type);
 316     g_param_value_set_default(button_flags, &value);
 317
 318
 319     flags = g_value_get_flags (&value);
 320
 321     for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
 322       g_object_set (bb->button[i], "visible", 0x01 & (flags >> i)  , NULL);
 323
 324     g_value_unset (&value);
 325   }
 326
 327
 328   g_signal_connect (bb, "realize", G_CALLBACK (on_realize), NULL);
 329 }
 330
 331
 332 /* This function is lifted verbatim from the Gtk2.10.6 library */
 333
 334 void
 335 _psppire_button_box_child_requisition (GtkWidget *widget,
 336                                        int       *nvis_children,
 337                                        int       *nvis_secondaries,
 338                                        int       *width,
 339                                        int       *height)
 340 {
 341   GtkButtonBox *bbox;
 342   GtkBoxChild *child;
 343   GList *children;
 344   gint nchildren;
 345   gint nsecondaries;
 346   gint needed_width;
 347   gint needed_height;
 348   GtkRequisition child_requisition;
 349   gint ipad_w;
 350   gint ipad_h;
 351   gint width_default;
 352   gint height_default;
 353   gint ipad_x_default;
 354   gint ipad_y_default;
 355
 356   gint child_min_width;
 357   gint child_min_height;
 358   gint ipad_x;
 359   gint ipad_y;
 360
 361   g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
 362
 363   bbox = GTK_BUTTON_BOX (widget);
 364
 365   gtk_widget_style_get (widget,
 366                         "child-min-width", &width_default,
 367                         "child-min-height", &height_default,
 368                         "child-internal-pad-x", &ipad_x_default,
 369                         "child-internal-pad-y", &ipad_y_default,
 370                         NULL);
 371
 372   child_min_width = bbox->child_min_width   != GTK_BUTTONBOX_DEFAULT
 373     ? bbox->child_min_width : width_default;
 374   child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
 375     ? bbox->child_min_height : height_default;
 376   ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
 377     ? bbox->child_ipad_x : ipad_x_default;
 378   ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
 379     ? bbox->child_ipad_y : ipad_y_default;
 380
 381   nchildren = 0;
 382   nsecondaries = 0;
 383   children = GTK_BOX(bbox)->children;
 384   needed_width = child_min_width;
 385   needed_height = child_min_height;
 386   ipad_w = ipad_x * 2;
 387   ipad_h = ipad_y * 2;
 388
 389   while (children)
 390     {
 391       child = children->data;
 392       children = children->next;
 393
 394       if (GTK_WIDGET_VISIBLE (child->widget))
 395         {
 396           nchildren += 1;
 397           gtk_widget_size_request (child->widget, &child_requisition);
 398
 399           if (child_requisition.width + ipad_w > needed_width)
 400             needed_width = child_requisition.width + ipad_w;
 401           if (child_requisition.height + ipad_h > needed_height)
 402             needed_height = child_requisition.height + ipad_h;
 403           if (child->is_secondary)
 404             nsecondaries++;
 405         }
 406     }
 407
 408   if (nvis_children)
 409     *nvis_children = nchildren;
 410   if (nvis_secondaries)
 411     *nvis_secondaries = nsecondaries;
 412   if (width)
 413     *width = needed_width;
 414   if (height)
 415     *height = needed_height;
 416 }
 417
 418
 419 GType
 420 psppire_button_flags_get_type (void)
 421 {
 422   static GType ftype = 0;
 423   if (ftype == 0)
 424     {
 425       static const GFlagsValue values[] =
 426         {
 427           { PSPPIRE_BUTTON_OK_MASK,     "PSPPIRE_BUTTON_OK_MASK",     N_("OK") },
 428           { PSPPIRE_BUTTON_GOTO_MASK,   "PSPPIRE_BUTTON_GOTO_MASK", N_("Go To") },
 429           { PSPPIRE_BUTTON_CONTINUE_MASK,"PSPPIRE_BUTTON_CONTINUE_MASK", N_("Continue") },
 430           { PSPPIRE_BUTTON_CANCEL_MASK, "PSPPIRE_BUTTON_CANCEL_MASK", N_("Cancel") },
 431           { PSPPIRE_BUTTON_HELP_MASK,   "PSPPIRE_BUTTON_HELP_MASK",   N_("Help") },
 432           { PSPPIRE_BUTTON_RESET_MASK,  "PSPPIRE_BUTTON_RESET_MASK",  N_("Reset") },
 433           { PSPPIRE_BUTTON_PASTE_MASK,  "PSPPIRE_BUTTON_PASTE_MASK",  N_("Paste") },
 434           { 0, NULL, NULL }
 435         };
 436
 437       ftype = g_flags_register_static
 438         (g_intern_static_string ("PsppireButtonFlags"), values);
 439
 440     }
 441   return ftype;
 442 }
 443