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 "helper.h"
  27
  28 #include <gettext.h>
  29
  30 #define _(msgid) gettext (msgid)
  31 #define N_(msgid) msgid
  32
  33 GType psppire_button_flags_get_type (void);
  34
  35
  36 static void psppire_button_box_class_init          (PsppireButtonBoxClass *);
  37 static void psppire_button_box_init                (PsppireButtonBox      *);
  38
  39
  40 GType
  41 psppire_button_box_get_type (void)
  42 {
  43   static GType button_box_type = 0;
  44
  45   if (!button_box_type)
  46     {
  47       static const GTypeInfo button_box_info =
  48       {
  49         sizeof (PsppireButtonBoxClass),
  50         NULL, /* base_init */
  51         NULL, /* base_finalize */
  52         (GClassInitFunc) psppire_button_box_class_init,
  53         NULL, /* class_finalize */
  54         NULL, /* class_data */
  55         sizeof (PsppireButtonBox),
  56         0,
  57         (GInstanceInitFunc) psppire_button_box_init,
  58       };
  59
  60       button_box_type = g_type_register_static (GTK_TYPE_BUTTON_BOX,
  61                                             "PsppireButtonBox", &button_box_info, G_TYPE_FLAG_ABSTRACT);
  62     }
  63
  64   return button_box_type;
  65 }
  66
  67 enum {
  68   PROP_BUTTONS = 1
  69 };
  70
  71 static void
  72 psppire_buttonbox_set_property (GObject         *object,
  73                                guint            prop_id,
  74                                const GValue    *value,
  75                                GParamSpec      *pspec)
  76 {
  77   gint i;
  78   guint flags;
  79   PsppireButtonBox *bb = PSPPIRE_BUTTONBOX (object);
  80   if ( prop_id != PROP_BUTTONS)
  81     {
  82       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
  83       return ;
  84     }
  85
  86   flags = g_value_get_flags (value);
  87
  88   for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
  89     g_object_set (bb->button[i], "visible", 0x01 & (flags >> i)  , NULL);
  90 }
  91
  92 static void
  93 psppire_buttonbox_get_property (GObject         *object,
  94                                guint            prop_id,
  95                                GValue          *value,
  96                                GParamSpec      *pspec)
  97 {
  98   guint flags = 0;
  99   gint i;
 100
 101   PsppireButtonBox *bb = PSPPIRE_BUTTONBOX (object);
 102
 103   if  (PROP_BUTTONS != prop_id)
 104     {
 105       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 106       return;
 107     }
 108
 109   for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
 110     {
 111       gboolean visibility;
 112       g_object_get (bb->button[i], "visible", &visibility, NULL);
 113
 114       if ( visibility )
 115         flags |= (0x01 << i);
 116     }
 117
 118   g_value_set_flags (value, flags);
 119 }
 120
 121
 122 typedef enum
 123   {
 124     PSPPIRE_BUTTON_OK_MASK     = (1 << PSPPIRE_BUTTON_OK),
 125     PSPPIRE_BUTTON_GOTO_MASK   = (1 << PSPPIRE_BUTTON_GOTO),
 126     PSPPIRE_BUTTON_CONTINUE_MASK = (1 << PSPPIRE_BUTTON_CONTINUE),
 127     PSPPIRE_BUTTON_CANCEL_MASK = (1 << PSPPIRE_BUTTON_CANCEL),
 128     PSPPIRE_BUTTON_HELP_MASK   = (1 << PSPPIRE_BUTTON_HELP),
 129     PSPPIRE_BUTTON_RESET_MASK  = (1 << PSPPIRE_BUTTON_RESET),
 130     PSPPIRE_BUTTON_PASTE_MASK  = (1 << PSPPIRE_BUTTON_PASTE)
 131   } PsppireButtonMask;
 132
 133 static GParamSpec *button_flags;
 134
 135 static void
 136 psppire_button_box_class_init (PsppireButtonBoxClass *class)
 137 {
 138   GObjectClass *object_class = G_OBJECT_CLASS (class);
 139
 140   object_class->set_property = psppire_buttonbox_set_property;
 141   object_class->get_property = psppire_buttonbox_get_property;
 142
 143   button_flags =
 144     g_param_spec_flags ("buttons",
 145                         "Buttons",
 146                         "The mask that decides what buttons appear in the button box",
 147                         PSPPIRE_TYPE_BUTTON_MASK,
 148                         PSPPIRE_BUTTON_OK_MASK |
 149                         PSPPIRE_BUTTON_CANCEL_MASK |
 150                         PSPPIRE_BUTTON_RESET_MASK |
 151                         PSPPIRE_BUTTON_HELP_MASK |
 152                         PSPPIRE_BUTTON_PASTE_MASK,
 153                         G_PARAM_READWRITE);
 154
 155
 156   g_object_class_install_property (object_class,
 157                                    PROP_BUTTONS,
 158                                    button_flags);
 159
 160 }
 161
 162 static void
 163 close_and_respond (GtkWidget *w, gint response)
 164 {
 165   PsppireDialog *dialog;
 166
 167   GtkWidget *toplevel = gtk_widget_get_toplevel (w);
 168
 169   /* If we're not in a psppire dialog (for example when in glade)
 170      then do nothing */
 171   if ( ! PSPPIRE_IS_DIALOG (toplevel))
 172     return;
 173
 174   dialog = PSPPIRE_DIALOG (toplevel);
 175
 176   dialog->response = response;
 177
 178   psppire_dialog_close (dialog);
 179 }
 180
 181
 182 static void
 183 close_dialog (GtkWidget *w, gpointer data)
 184 {
 185   close_and_respond (w, GTK_RESPONSE_CLOSE);
 186 }
 187
 188 static void
 189 continue_button_clicked (GtkWidget *w, gpointer data)
 190 {
 191   close_and_respond (w, PSPPIRE_RESPONSE_CONTINUE);
 192 }
 193
 194
 195 static void
 196 ok_button_clicked (GtkWidget *w, gpointer data)
 197 {
 198   close_and_respond (w, GTK_RESPONSE_OK);
 199 }
 200
 201
 202 static void
 203 paste_button_clicked (GtkWidget *w, gpointer data)
 204 {
 205   close_and_respond (w, PSPPIRE_RESPONSE_PASTE);
 206 }
 207
 208 static void
 209 goto_button_clicked (GtkWidget *w, gpointer data)
 210 {
 211   close_and_respond (w, PSPPIRE_RESPONSE_GOTO);
 212 }
 213
 214
 215 static void
 216 refresh_clicked (GtkWidget *w, gpointer data)
 217 {
 218   GtkWidget *toplevel = gtk_widget_get_toplevel (w);
 219   PsppireDialog *dialog;
 220
 221   if ( ! PSPPIRE_IS_DIALOG (toplevel))
 222     return;
 223
 224   dialog = PSPPIRE_DIALOG (toplevel);
 225
 226   psppire_dialog_reload (dialog);
 227 }
 228
 229
 230
 231 static void
 232 on_validity_change (GtkWidget *toplevel, gboolean valid, gpointer data)
 233 {
 234   PsppireButtonBox *bb = data;
 235
 236   /* Set the sensitivity of all the 'executive order' buttons */
 237   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_OK]), valid);
 238   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_PASTE]), valid);
 239   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_GOTO]), valid);
 240   gtk_widget_set_sensitive (GTK_WIDGET (bb->button[PSPPIRE_BUTTON_CONTINUE]), valid);
 241 }
 242
 243 static void
 244 on_realize (GtkWidget *buttonbox, gpointer data)
 245 {
 246   GtkWidget *toplevel = gtk_widget_get_toplevel (buttonbox);
 247
 248   if ( PSPPIRE_IS_DIALOG (toplevel))
 249     {
 250       g_signal_connect (toplevel, "validity-changed",
 251                         G_CALLBACK (on_validity_change), buttonbox);
 252     }
 253 }
 254
 255 static void
 256 psppire_button_box_init (PsppireButtonBox *bb)
 257 {
 258
 259   bb->button[PSPPIRE_BUTTON_OK] = gtk_button_new_from_stock (GTK_STOCK_OK);
 260   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_OK]);
 261   g_signal_connect (bb->button[PSPPIRE_BUTTON_OK], "clicked",
 262                     G_CALLBACK (ok_button_clicked), NULL);
 263   g_object_set (bb->button[PSPPIRE_BUTTON_OK], "no-show-all", TRUE, NULL);
 264
 265
 266   bb->button[PSPPIRE_BUTTON_GOTO] =
 267     gtk_button_new_from_stock (GTK_STOCK_JUMP_TO);
 268   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_GOTO]);
 269   g_signal_connect (bb->button[PSPPIRE_BUTTON_GOTO], "clicked",
 270                     G_CALLBACK (goto_button_clicked), NULL);
 271   g_object_set (bb->button[PSPPIRE_BUTTON_GOTO], "no-show-all", TRUE, NULL);
 272
 273
 274   bb->button[PSPPIRE_BUTTON_CONTINUE] =
 275     gtk_button_new_with_mnemonic (_("Continue"));
 276
 277   GTK_WIDGET_SET_FLAGS (bb->button[PSPPIRE_BUTTON_CONTINUE],
 278                         GTK_CAN_DEFAULT);
 279
 280   g_signal_connect (bb->button[PSPPIRE_BUTTON_CONTINUE], "realize",
 281          G_CALLBACK (gtk_widget_grab_default), NULL);
 282
 283   psppire_box_pack_start_defaults (GTK_BOX (bb),
 284                                bb->button[PSPPIRE_BUTTON_CONTINUE]);
 285   g_signal_connect (bb->button[PSPPIRE_BUTTON_CONTINUE], "clicked",
 286                     G_CALLBACK (continue_button_clicked), NULL);
 287
 288   g_object_set (bb->button[PSPPIRE_BUTTON_CONTINUE],
 289                 "no-show-all", TRUE, NULL);
 290
 291
 292
 293   bb->button[PSPPIRE_BUTTON_PASTE] = gtk_button_new_from_stock (GTK_STOCK_PASTE);
 294   g_signal_connect (bb->button[PSPPIRE_BUTTON_PASTE], "clicked",
 295                     G_CALLBACK (paste_button_clicked), NULL);
 296   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_PASTE]);
 297   g_object_set (bb->button[PSPPIRE_BUTTON_PASTE], "no-show-all", TRUE, NULL);
 298
 299   bb->button[PSPPIRE_BUTTON_CANCEL] = gtk_button_new_from_stock (GTK_STOCK_CANCEL);
 300   g_signal_connect (bb->button[PSPPIRE_BUTTON_CANCEL], "clicked",
 301                     G_CALLBACK (close_dialog), NULL);
 302   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_CANCEL]);
 303   g_object_set (bb->button[PSPPIRE_BUTTON_CANCEL], "no-show-all", TRUE, NULL);
 304
 305
 306   bb->button[PSPPIRE_BUTTON_RESET] = gtk_button_new_from_stock ("pspp-stock-reset");
 307   g_signal_connect (bb->button[PSPPIRE_BUTTON_RESET], "clicked",
 308                     G_CALLBACK (refresh_clicked), NULL);
 309   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_RESET]);
 310   g_object_set (bb->button[PSPPIRE_BUTTON_RESET], "no-show-all", TRUE, NULL);
 311
 312
 313   bb->button[PSPPIRE_BUTTON_HELP] = gtk_button_new_from_stock (GTK_STOCK_HELP);
 314   psppire_box_pack_start_defaults (GTK_BOX (bb), bb->button[PSPPIRE_BUTTON_HELP]);
 315   g_object_set (bb->button[PSPPIRE_BUTTON_HELP], "no-show-all", TRUE, NULL);
 316
 317
 318   /* Set the default visibilities */
 319   {
 320     GValue value = { 0 };
 321     guint flags;
 322     gint i;
 323     g_value_init (&value, button_flags->value_type);
 324     g_param_value_set_default(button_flags, &value);
 325
 326
 327     flags = g_value_get_flags (&value);
 328
 329     for (i = 0 ; i < n_PsppireButtonBoxButtons ; ++i )
 330       g_object_set (bb->button[i], "visible", 0x01 & (flags >> i)  , NULL);
 331
 332     g_value_unset (&value);
 333   }
 334
 335
 336   g_signal_connect (bb, "realize", G_CALLBACK (on_realize), NULL);
 337 }
 338
 339
 340 /* This function is lifted verbatim from the Gtk2.10.6 library */
 341
 342 void
 343 _psppire_button_box_child_requisition (GtkWidget *widget,
 344                                        int       *nvis_children,
 345                                        int       *nvis_secondaries,
 346                                        int       *width,
 347                                        int       *height)
 348 {
 349   GtkButtonBox *bbox;
 350   GtkBoxChild *child;
 351   GList *children;
 352   gint nchildren;
 353   gint nsecondaries;
 354   gint needed_width;
 355   gint needed_height;
 356   GtkRequisition child_requisition;
 357   gint ipad_w;
 358   gint ipad_h;
 359   gint width_default;
 360   gint height_default;
 361   gint ipad_x_default;
 362   gint ipad_y_default;
 363
 364   gint child_min_width;
 365   gint child_min_height;
 366   gint ipad_x;
 367   gint ipad_y;
 368
 369   g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
 370
 371   bbox = GTK_BUTTON_BOX (widget);
 372
 373   gtk_widget_style_get (widget,
 374                         "child-min-width", &width_default,
 375                         "child-min-height", &height_default,
 376                         "child-internal-pad-x", &ipad_x_default,
 377                         "child-internal-pad-y", &ipad_y_default,
 378                         NULL);
 379
 380   child_min_width = bbox->child_min_width   != GTK_BUTTONBOX_DEFAULT
 381     ? bbox->child_min_width : width_default;
 382   child_min_height = bbox->child_min_height !=GTK_BUTTONBOX_DEFAULT
 383     ? bbox->child_min_height : height_default;
 384   ipad_x = bbox->child_ipad_x != GTK_BUTTONBOX_DEFAULT
 385     ? bbox->child_ipad_x : ipad_x_default;
 386   ipad_y = bbox->child_ipad_y != GTK_BUTTONBOX_DEFAULT
 387     ? bbox->child_ipad_y : ipad_y_default;
 388
 389   nchildren = 0;
 390   nsecondaries = 0;
 391   children = GTK_BOX(bbox)->children;
 392   needed_width = child_min_width;
 393   needed_height = child_min_height;
 394   ipad_w = ipad_x * 2;
 395   ipad_h = ipad_y * 2;
 396
 397   while (children)
 398     {
 399       child = children->data;
 400       children = children->next;
 401
 402       if (GTK_WIDGET_VISIBLE (child->widget))
 403         {
 404           nchildren += 1;
 405           gtk_widget_size_request (child->widget, &child_requisition);
 406
 407           if (child_requisition.width + ipad_w > needed_width)
 408             needed_width = child_requisition.width + ipad_w;
 409           if (child_requisition.height + ipad_h > needed_height)
 410             needed_height = child_requisition.height + ipad_h;
 411           if (child->is_secondary)
 412             nsecondaries++;
 413         }
 414     }
 415
 416   if (nvis_children)
 417     *nvis_children = nchildren;
 418   if (nvis_secondaries)
 419     *nvis_secondaries = nsecondaries;
 420   if (width)
 421     *width = needed_width;
 422   if (height)
 423     *height = needed_height;
 424 }
 425
 426
 427 GType
 428 psppire_button_flags_get_type (void)
 429 {
 430   static GType ftype = 0;
 431   if (ftype == 0)
 432     {
 433       static const GFlagsValue values[] =
 434         {
 435           { PSPPIRE_BUTTON_OK_MASK,     "PSPPIRE_BUTTON_OK_MASK",     N_("OK") },
 436           { PSPPIRE_BUTTON_GOTO_MASK,   "PSPPIRE_BUTTON_GOTO_MASK", N_("Go To") },
 437           { PSPPIRE_BUTTON_CONTINUE_MASK,"PSPPIRE_BUTTON_CONTINUE_MASK", N_("Continue") },
 438           { PSPPIRE_BUTTON_CANCEL_MASK, "PSPPIRE_BUTTON_CANCEL_MASK", N_("Cancel") },
 439           { PSPPIRE_BUTTON_HELP_MASK,   "PSPPIRE_BUTTON_HELP_MASK",   N_("Help") },
 440           { PSPPIRE_BUTTON_RESET_MASK,  "PSPPIRE_BUTTON_RESET_MASK",  N_("Reset") },
 441           { PSPPIRE_BUTTON_PASTE_MASK,  "PSPPIRE_BUTTON_PASTE_MASK",  N_("Paste") },
 442           { 0, NULL, NULL }
 443         };
 444
 445       ftype = g_flags_register_static
 446         (g_intern_static_string ("PsppireButtonFlags"), values);
 447
 448     }
 449   return ftype;
 450 }
 451