src/gtk/assertdlg_gtk.c

   1 /* ///////////////////////////////////////////////////////////////////////////
   2 // Name:        assertdlg_gtk.c
   3 // Purpose:     GtkAssertDialog
   4 // Author:      Francesco Montorsi
   5 // Id:          $Id$
   6 // Copyright:   (c) 2006 Francesco Montorsi
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////// */
   9
  10 #ifdef VMS
  11 #define XCheckIfEvent XCHECKIFEVENT
  12 #endif
  13
  14 #include "wx/platform.h"
  15 #include "wx/gtk/assertdlg_gtk.h"
  16
  17 #ifdef __cplusplus
  18 extern "C" {
  19 #endif /* __cplusplus */
  20
  21 #include <gtk/gtk.h>
  22
  23 /* For FILE */
  24 #include <stdio.h>
  25
  26
  27 #if GTK_CHECK_VERSION(2,4,0)
  28 #include <gtk/gtkexpander.h>
  29 #endif
  30
  31
  32 /* ----------------------------------------------------------------------------
  33    Constants
  34  ---------------------------------------------------------------------------- */
  35
  36 // NB: when changing order of the columns also update the gtk_list_store_new() call
  37 //     in gtk_assert_dialog_create_backtrace_list_model() function
  38 #define STACKFRAME_LEVEL_COLIDX        0
  39 #define FUNCTION_NAME_COLIDX           1
  40 #define SOURCE_FILE_COLIDX             2
  41 #define LINE_NUMBER_COLIDX             3
  42 #define FUNCTION_ARGS_COLIDX           4
  43
  44
  45
  46
  47 /* ----------------------------------------------------------------------------
  48    GtkAssertDialog helpers
  49  ---------------------------------------------------------------------------- */
  50
  51 GtkWidget *gtk_assert_dialog_add_button_to (GtkBox *box, const gchar *label,
  52                                             const gchar *stock, gint response_id)
  53 {
  54     /* create the button */
  55     GtkWidget *button = gtk_button_new_with_mnemonic (label);
  56     GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
  57
  58 #if GTK_CHECK_VERSION(2,6,0)
  59     if (!gtk_check_version (2, 6, 0))
  60     {
  61         /* add a stock icon inside it */
  62         GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
  63         gtk_button_set_image (GTK_BUTTON (button), image);
  64     }
  65 #endif
  66
  67     /* add to the given (container) widget */
  68     if (box)
  69         gtk_box_pack_end (box, button, FALSE, TRUE, 8);
  70
  71     return button;
  72 }
  73
  74 GtkWidget *gtk_assert_dialog_add_button (GtkAssertDialog *dlg, const gchar *label,
  75                                          const gchar *stock, gint response_id)
  76 {
  77     /* create the button */
  78     GtkWidget *button = gtk_assert_dialog_add_button_to (NULL, label, stock, response_id);
  79
  80     /* add the button to the dialog's action area */
  81     gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
  82
  83     return button;
  84 }
  85
  86 void gtk_assert_dialog_append_text_column (GtkWidget *treeview, const gchar *name, int index)
  87 {
  88     GtkCellRenderer *renderer;
  89     GtkTreeViewColumn *column;
  90
  91     renderer = gtk_cell_renderer_text_new ();
  92     column = gtk_tree_view_column_new_with_attributes (name, renderer,
  93                                                        "text", index, NULL);
  94     gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
  95     gtk_tree_view_column_set_resizable (column, TRUE);
  96     gtk_tree_view_column_set_reorderable (column, TRUE);
  97 }
  98
  99 GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
 100 {
 101     GtkListStore *store;
 102     GtkWidget *treeview;
 103
 104     /* create list store */
 105     store = gtk_list_store_new (5,
 106                                 G_TYPE_UINT,        // stack frame number
 107                                 G_TYPE_STRING,      // function name
 108                                 G_TYPE_STRING,      // source file name
 109                                 G_TYPE_STRING,      // line number
 110                                 G_TYPE_STRING);     // function arguments
 111
 112     /* create the tree view */
 113     treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
 114     g_object_unref (store);
 115     gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
 116
 117     // append columns
 118     gtk_assert_dialog_append_text_column(treeview, "#", STACKFRAME_LEVEL_COLIDX);
 119     gtk_assert_dialog_append_text_column(treeview, "Function name", FUNCTION_NAME_COLIDX);
 120     gtk_assert_dialog_append_text_column(treeview, "Function args", FUNCTION_ARGS_COLIDX);
 121     gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
 122     gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
 123
 124     return treeview;
 125 }
 126
 127 void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
 128 {
 129     /* set busy cursor */
 130     GdkWindow *parent = GTK_WIDGET(dlg)->window;
 131     GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
 132     gdk_window_set_cursor (parent, cur);
 133     gdk_flush ();
 134
 135     (*dlg->callback)(dlg->userdata);
 136
 137     /* toggle busy cursor */
 138     gdk_window_set_cursor (parent, NULL);
 139     gdk_cursor_unref (cur);
 140 }
 141
 142
 143
 144 /* ----------------------------------------------------------------------------
 145    GtkAssertDialog signal handlers
 146  ---------------------------------------------------------------------------- */
 147
 148 #if GTK_CHECK_VERSION(2,4,0)        // GtkFileChooserDialog and GtkExpander
 149                                     // are only available in GTK+ >= 2.4
 150
 151 void gtk_assert_dialog_expander_callback (GtkWidget *widget, GtkAssertDialog *dlg)
 152 {
 153     // for some reason we need to invert the return value of gtk_expander_get_expanded
 154     // to get the real expanded status
 155     gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
 156     gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
 157
 158     if (dlg->callback == NULL)      /* was the backtrace already processed? */
 159         return;
 160
 161     gtk_assert_dialog_process_backtrace (dlg);
 162
 163     /* mark the work as done (so that next activate we won't call the callback again) */
 164     dlg->callback = NULL;
 165 }
 166
 167 void gtk_assert_dialog_save_backtrace_callback (GtkWidget *widget, GtkAssertDialog *dlg)
 168 {
 169     GtkWidget *dialog;
 170
 171     dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
 172                                           GTK_FILE_CHOOSER_ACTION_SAVE,
 173                                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 174                                           GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 175                                           NULL);
 176
 177     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 178     {
 179         char *filename, *msg, *backtrace;
 180         FILE *fp;
 181
 182         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
 183         msg = gtk_assert_dialog_get_message (dlg);
 184         backtrace = gtk_assert_dialog_get_backtrace (dlg);
 185
 186         /* open the file and write all info inside it */
 187         fp = fopen (filename, "w");
 188         if (fp && filename)
 189             fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
 190
 191         g_free (filename);
 192         g_free (msg);
 193         g_free (backtrace);
 194         fclose (fp);
 195     }
 196
 197     gtk_widget_destroy (dialog);
 198 }
 199 #endif
 200
 201 void gtk_assert_dialog_copy_callback (GtkWidget *widget, GtkAssertDialog *dlg)
 202 {
 203     char *msg, *backtrace;
 204     GtkClipboard *clipboard;
 205     GString *str;
 206
 207     msg = gtk_assert_dialog_get_message (dlg);
 208     backtrace = gtk_assert_dialog_get_backtrace (dlg);
 209
 210     /* combine both in a single string */
 211     str = g_string_new("");
 212     g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
 213
 214     /* copy everything in default clipboard */
 215     clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
 216     gtk_clipboard_set_text (clipboard, str->str, str->len);
 217
 218     /* copy everything in primary clipboard too */
 219     clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
 220     gtk_clipboard_set_text (clipboard, str->str, str->len);
 221
 222     g_free (msg);
 223     g_free (backtrace);
 224     g_string_free (str, TRUE);
 225 }
 226
 227 void gtk_assert_dialog_continue_callback (GtkWidget *widget, GtkAssertDialog *dlg)
 228 {
 229     gint response =
 230         gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
 231             GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
 232
 233     gtk_dialog_response (GTK_DIALOG(dlg), response);
 234 }
 235
 236
 237 /* ----------------------------------------------------------------------------
 238    GtkAssertDialogClass implementation
 239  ---------------------------------------------------------------------------- */
 240
 241 static void     gtk_assert_dialog_init              (GtkAssertDialog        *self);
 242 static void     gtk_assert_dialog_class_init        (GtkAssertDialogClass *klass);
 243
 244
 245 GtkType gtk_assert_dialog_get_type (void)
 246 {
 247     static GtkType assert_dialog_type = 0;
 248
 249     if (!assert_dialog_type)
 250     {
 251         static const GTypeInfo assert_dialog_info =
 252         {
 253             sizeof (GtkAssertDialogClass),
 254             NULL,           /* base_init */
 255             NULL,           /* base_finalize */
 256             (GClassInitFunc) gtk_assert_dialog_class_init,
 257             NULL,           /* class_finalize */
 258             NULL,           /* class_data */
 259             sizeof (GtkAssertDialog),
 260             16,             /* n_preallocs */
 261             (GInstanceInitFunc) gtk_assert_dialog_init,
 262             NULL
 263         };
 264         assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
 265     }
 266
 267     return assert_dialog_type;
 268 }
 269
 270 void gtk_assert_dialog_class_init(GtkAssertDialogClass *klass)
 271 {
 272     /* no special initializations required */
 273 }
 274
 275 void gtk_assert_dialog_init(GtkAssertDialog *dlg)
 276 {
 277     GtkWidget *vbox, *hbox, *image, *continuebtn;
 278
 279     /* start the main vbox */
 280     gtk_widget_push_composite_child ();
 281     vbox = gtk_vbox_new (FALSE, 8);
 282     gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
 283     gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), vbox, TRUE, TRUE, 5);
 284
 285
 286     /* add the icon+message hbox */
 287     hbox = gtk_hbox_new (FALSE, 0);
 288     gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 289
 290     /* icon */
 291     image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
 292     gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
 293
 294     {
 295         GtkWidget *vbox2, *info;
 296
 297         /* message */
 298         vbox2 = gtk_vbox_new (FALSE, 0);
 299         gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
 300         info = gtk_label_new ("An assertion failed!");
 301         gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
 302
 303         /* assert message */
 304         dlg->message = gtk_label_new (NULL);
 305         gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
 306         gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
 307         gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
 308         gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
 309
 310         gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
 311     }
 312
 313     /* add the expander */
 314 #if GTK_CHECK_VERSION(2,4,0)
 315     if (!gtk_check_version (2, 4, 0))
 316     {
 317         dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
 318         gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
 319         g_signal_connect (GTK_EXPANDER(dlg->expander), "activate",
 320                           G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
 321     }
 322     else
 323 #endif
 324     {
 325         // if GtkExpander is unavailable, then use a static frame instead
 326         dlg->expander = gtk_frame_new ("Back_trace:");
 327         gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
 328     }
 329
 330     {
 331         GtkWidget *hbox, *vbox, *button, *sw;
 332
 333         /* create expander's vbox */
 334         vbox = gtk_vbox_new (FALSE, 0);
 335         gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
 336
 337         /* add a scrollable window under the expander */
 338         sw = gtk_scrolled_window_new (NULL, NULL);
 339         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
 340         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
 341                                         GTK_POLICY_AUTOMATIC);
 342         gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
 343
 344         /* add the treeview to the scrollable window */
 345         dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
 346         gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
 347         gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
 348
 349         /* create button's hbox */
 350         hbox = gtk_hbutton_box_new ();
 351         gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 352         gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
 353
 354         /* add the buttons */
 355 #if GTK_CHECK_VERSION(2,4,0)
 356         if (!gtk_check_version (2, 4, 0))
 357         {
 358             /* add this button only if GTK supports GtkFileChooserDialog */
 359             button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
 360                                                     GTK_STOCK_SAVE, GTK_RESPONSE_NONE);
 361             g_signal_connect (button, "clicked",
 362                               G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
 363         }
 364 #endif
 365
 366         button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
 367                                                   GTK_STOCK_COPY, GTK_RESPONSE_NONE);
 368         g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
 369     }
 370
 371     /* add the checkbutton */
 372     dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
 373     gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
 374     gtk_box_pack_end (GTK_BOX(GTK_DIALOG(dlg)->action_area), dlg->shownexttime, FALSE, TRUE, 8);
 375
 376     /* add the stop button */
 377     gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
 378
 379     /* add the continue button */
 380     continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
 381     gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
 382     g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
 383
 384     /* complete creation */
 385     dlg->callback = NULL;
 386     dlg->userdata = NULL;
 387
 388     /* the resizeable property of this window is modified by the expander:
 389        when it's collapsed, the window must be non-resizeable! */
 390     gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
 391     gtk_widget_pop_composite_child ();
 392     gtk_widget_show_all (GTK_WIDGET(dlg));
 393 }
 394
 395
 396
 397 /* ----------------------------------------------------------------------------
 398    GtkAssertDialog public API
 399  ---------------------------------------------------------------------------- */
 400
 401 gchar *gtk_assert_dialog_get_message (GtkAssertDialog *dlg)
 402 {
 403     /* NOTES:
 404        1) returned string must g_free()d !
 405        2) Pango markup is automatically stripped off by GTK
 406     */
 407     return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
 408 }
 409
 410 gchar *gtk_assert_dialog_get_backtrace (GtkAssertDialog *dlg)
 411 {
 412     gchar *function, *arguments, *sourcefile, *linenum;
 413     guint count;
 414
 415     GtkTreeModel *model;
 416     GtkTreeIter iter;
 417     GString *string;
 418
 419     g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
 420     model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
 421     string = g_string_new("");
 422
 423     /* iterate over the list */
 424     if (!gtk_tree_model_get_iter_first (model, &iter))
 425         return NULL;
 426
 427     do
 428     {
 429         /* append this stack frame's info to the string */
 430         gtk_tree_model_get (model, &iter,
 431                             STACKFRAME_LEVEL_COLIDX, &count,
 432                             FUNCTION_NAME_COLIDX, &function,
 433                             FUNCTION_ARGS_COLIDX, &arguments,
 434                             SOURCE_FILE_COLIDX, &sourcefile,
 435                             LINE_NUMBER_COLIDX, &linenum,
 436                             -1);
 437
 438         g_string_append_printf (string, "[%d] %s(%s)",
 439                                 count, function, arguments);
 440         if (sourcefile[0] != '\0')
 441             g_string_append_printf (string, " %s", sourcefile);
 442         if (linenum[0] != '\0')
 443             g_string_append_printf (string, ":%s", linenum);
 444         g_string_append (string, "\n");
 445
 446         g_free (function);
 447         g_free (arguments);
 448         g_free (sourcefile);
 449         g_free (linenum);
 450
 451     } while (gtk_tree_model_iter_next (model, &iter));
 452
 453     /* returned string must g_free()d */
 454     return g_string_free (string, FALSE);
 455 }
 456
 457 void gtk_assert_dialog_set_message(GtkAssertDialog *dlg, const gchar *msg)
 458 {
 459     /* prepend and append the <b> tag
 460        NOTE: g_markup_printf_escaped() is not used because it's available
 461              only for glib >= 2.4 */
 462     gchar *escaped_msg = g_markup_escape_text (msg, -1);
 463     gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
 464
 465     g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
 466     gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
 467
 468     g_free (decorated_msg);
 469     g_free (escaped_msg);
 470 }
 471
 472 void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
 473                                               GtkAssertDialogStackFrameCallback callback,
 474                                               void *userdata)
 475 {
 476     assertdlg->callback = callback;
 477     assertdlg->userdata = userdata;
 478
 479     if (gtk_check_version (2, 4, 0))
 480     {
 481         // we need to immediately process the stack trace as we're not using
 482         // an expander since GTK does not support it
 483         gtk_assert_dialog_process_backtrace (assertdlg);
 484     }
 485 }
 486
 487 void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
 488                                           const gchar *function,
 489                                           const gchar *arguments,
 490                                           const gchar *sourcefile,
 491                                           guint line_number)
 492 {
 493     GtkTreeModel *model;
 494     GtkTreeIter iter;
 495     GString *linenum;
 496     gint count;
 497
 498     g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
 499     model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
 500
 501     /* how many items are in the list up to now ? */
 502     count = gtk_tree_model_iter_n_children (model, NULL);
 503
 504     linenum = g_string_new("");
 505     if ( line_number != 0 )
 506         g_string_printf (linenum, "%d", line_number);
 507
 508     /* add data to the list store */
 509     gtk_list_store_append (GTK_LIST_STORE(model), &iter);
 510     gtk_list_store_set (GTK_LIST_STORE(model), &iter,
 511                         STACKFRAME_LEVEL_COLIDX, count+1,     /* start from 1 and not from 0 */
 512                         FUNCTION_NAME_COLIDX, function,
 513                         FUNCTION_ARGS_COLIDX, arguments,
 514                         SOURCE_FILE_COLIDX, sourcefile,
 515                         LINE_NUMBER_COLIDX, linenum->str,
 516                         -1);
 517
 518     g_string_free (linenum, TRUE);
 519 }
 520
 521 GtkWidget *gtk_assert_dialog_new(void)
 522 {
 523     GtkAssertDialog *dialog = g_object_new (GTK_TYPE_ASSERT_DIALOG, NULL);
 524
 525     return GTK_WIDGET (dialog);
 526 }
 527
 528 #ifdef __cplusplus
 529 }
 530 #endif /* __cplusplus */