src/gtk/assertdlg_gtk.cpp

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