1 /* ///////////////////////////////////////////////////////////////////////////
2 // Name:        src/gtk/assertdlg_gtk.cpp
3 // Purpose:     GtkAssertDialog
4 // Author:      Francesco Montorsi
5 // Copyright:   (c) 2006 Francesco Montorsi
6 // Licence:     wxWindows licence
7 /////////////////////////////////////////////////////////////////////////// */
8 
9 #include "wx/wxprec.h"
10 
11 #if wxDEBUG_LEVEL
12 
13 #include <gtk/gtk.h>
14 #include "wx/gtk/assertdlg_gtk.h"
15 #include "wx/gtk/private/gtk2-compat.h"
16 
17 #include <stdio.h>
18 
19 /* ----------------------------------------------------------------------------
20    Constants
21  ---------------------------------------------------------------------------- */
22 
23 /*
24    NB: when changing order of the columns also update the gtk_list_store_new() call
25        in gtk_assert_dialog_create_backtrace_list_model() function
26  */
27 #define STACKFRAME_LEVEL_COLIDX        0
28 #define FUNCTION_PROTOTYPE_COLIDX      1
29 #define SOURCE_FILE_COLIDX             2
30 #define LINE_NUMBER_COLIDX             3
31 
32 /* ----------------------------------------------------------------------------
33    GtkAssertDialog helpers
34  ---------------------------------------------------------------------------- */
35 
36 static
gtk_assert_dialog_add_button_to(GtkBox * box,const gchar * label,const gchar * stock)37 GtkWidget *gtk_assert_dialog_add_button_to (GtkBox *box, const gchar *label,
38                                             const gchar *stock)
39 {
40     /* create the button */
41     GtkWidget *button = gtk_button_new_with_mnemonic (label);
42     gtk_widget_set_can_default(button, true);
43 
44     /* add a stock icon inside it */
45     GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
46     gtk_button_set_image (GTK_BUTTON (button), image);
47 
48     /* add to the given (container) widget */
49     if (box)
50         gtk_box_pack_end (box, button, FALSE, TRUE, 8);
51 
52     return button;
53 }
54 
55 static
gtk_assert_dialog_add_button(GtkAssertDialog * dlg,const gchar * label,const gchar * stock,gint response_id)56 GtkWidget *gtk_assert_dialog_add_button (GtkAssertDialog *dlg, const gchar *label,
57                                          const gchar *stock, gint response_id)
58 {
59     /* create the button */
60     GtkWidget* button = gtk_assert_dialog_add_button_to(NULL, label, stock);
61 
62     /* add the button to the dialog's action area */
63     gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
64 
65     return button;
66 }
67 
68 #if wxUSE_STACKWALKER
69 
70 static
gtk_assert_dialog_append_text_column(GtkWidget * treeview,const gchar * name,int index)71 void gtk_assert_dialog_append_text_column (GtkWidget *treeview, const gchar *name, int index)
72 {
73     GtkCellRenderer *renderer;
74     GtkTreeViewColumn *column;
75 
76     renderer = gtk_cell_renderer_text_new ();
77     column = gtk_tree_view_column_new_with_attributes (name, renderer,
78                                                        "text", index, NULL);
79     gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
80     gtk_tree_view_column_set_resizable (column, TRUE);
81     gtk_tree_view_column_set_reorderable (column, TRUE);
82 }
83 
84 static
gtk_assert_dialog_create_backtrace_list_model()85 GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
86 {
87     GtkListStore *store;
88     GtkWidget *treeview;
89 
90     /* create list store */
91     store = gtk_list_store_new (4,
92                                 G_TYPE_UINT,        /* stack frame number */
93                                 G_TYPE_STRING,      /* function prototype */
94                                 G_TYPE_STRING,      /* source file name   */
95                                 G_TYPE_STRING);     /* line number        */
96 
97     /* create the tree view */
98     treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
99     g_object_unref (store);
100     gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
101 
102     /* append columns */
103     gtk_assert_dialog_append_text_column(treeview, "#", STACKFRAME_LEVEL_COLIDX);
104     gtk_assert_dialog_append_text_column(treeview, "Function Prototype", FUNCTION_PROTOTYPE_COLIDX);
105     gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
106     gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
107 
108     return treeview;
109 }
110 
111 static
gtk_assert_dialog_process_backtrace(GtkAssertDialog * dlg)112 void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
113 {
114     /* set busy cursor */
115     GdkWindow *parent = gtk_widget_get_window(GTK_WIDGET(dlg));
116     GdkDisplay* display = gdk_window_get_display(parent);
117     GdkCursor* cur = gdk_cursor_new_for_display(display, GDK_WATCH);
118     gdk_window_set_cursor (parent, cur);
119     gdk_flush ();
120 
121     (*dlg->callback)(dlg->userdata);
122 
123     /* toggle busy cursor */
124     gdk_window_set_cursor (parent, NULL);
125 #ifdef __WXGTK3__
126     g_object_unref(cur);
127 #else
128     gdk_cursor_unref (cur);
129 #endif
130 }
131 
132 extern "C" {
133 /* ----------------------------------------------------------------------------
134    GtkAssertDialog signal handlers
135  ---------------------------------------------------------------------------- */
136 
gtk_assert_dialog_expander_callback(GtkWidget *,GtkAssertDialog * dlg)137 static void gtk_assert_dialog_expander_callback(GtkWidget*, GtkAssertDialog* dlg)
138 {
139     /* status is not yet updated so we need to invert it to get the new one */
140     gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
141     gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
142 
143     if (dlg->callback == NULL)      /* was the backtrace already processed? */
144         return;
145 
146     gtk_assert_dialog_process_backtrace (dlg);
147 
148     /* mark the work as done (so that next activate we won't call the callback again) */
149     dlg->callback = NULL;
150 }
151 
gtk_assert_dialog_save_backtrace_callback(GtkWidget *,GtkAssertDialog * dlg)152 static void gtk_assert_dialog_save_backtrace_callback(GtkWidget*, GtkAssertDialog* dlg)
153 {
154     GtkWidget *dialog;
155 
156     dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
157                                           GTK_FILE_CHOOSER_ACTION_SAVE,
158                                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
159                                           GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
160                                           NULL);
161 
162     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
163     {
164         char *filename, *msg, *backtrace;
165         FILE *fp;
166 
167         filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
168         if ( filename )
169         {
170             msg = gtk_assert_dialog_get_message (dlg);
171             backtrace = gtk_assert_dialog_get_backtrace (dlg);
172 
173             /* open the file and write all info inside it */
174             fp = fopen (filename, "w");
175             if (fp)
176             {
177                 fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
178                 fclose (fp);
179             }
180 
181             g_free (filename);
182             g_free (msg);
183             g_free (backtrace);
184         }
185     }
186 
187     gtk_widget_destroy (dialog);
188 }
189 
gtk_assert_dialog_copy_callback(GtkWidget *,GtkAssertDialog * dlg)190 static void gtk_assert_dialog_copy_callback(GtkWidget*, GtkAssertDialog* dlg)
191 {
192     char *msg, *backtrace;
193     GtkClipboard *clipboard;
194     GString *str;
195 
196     msg = gtk_assert_dialog_get_message (dlg);
197     backtrace = gtk_assert_dialog_get_backtrace (dlg);
198 
199     /* combine both in a single string */
200     str = g_string_new("");
201     g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
202 
203     /* copy everything in default clipboard */
204     clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
205     gtk_clipboard_set_text (clipboard, str->str, str->len);
206 
207     /* copy everything in primary clipboard too */
208     clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
209     gtk_clipboard_set_text (clipboard, str->str, str->len);
210 
211     g_free (msg);
212     g_free (backtrace);
213     g_string_free (str, TRUE);
214 }
215 } // extern "C"
216 
217 #endif // wxUSE_STACKWALKER
218 
219 extern "C" {
gtk_assert_dialog_continue_callback(GtkWidget *,GtkAssertDialog * dlg)220 static void gtk_assert_dialog_continue_callback(GtkWidget*, GtkAssertDialog* dlg)
221 {
222     gint response =
223         gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
224             GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
225 
226     gtk_dialog_response (GTK_DIALOG(dlg), response);
227 }
228 } // extern "C"
229 
230 /* ----------------------------------------------------------------------------
231    GtkAssertDialogClass implementation
232  ---------------------------------------------------------------------------- */
233 
234 extern "C" {
235 static void gtk_assert_dialog_init(GTypeInstance* instance, void*);
236 }
237 
gtk_assert_dialog_get_type()238 GType gtk_assert_dialog_get_type()
239 {
240     static GType assert_dialog_type;
241 
242     if (!assert_dialog_type)
243     {
244         const GTypeInfo assert_dialog_info =
245         {
246             sizeof (GtkAssertDialogClass),
247             NULL,           /* base_init */
248             NULL,           /* base_finalize */
249             NULL,
250             NULL,           /* class_finalize */
251             NULL,           /* class_data */
252             sizeof (GtkAssertDialog),
253             16,             /* n_preallocs */
254             gtk_assert_dialog_init,
255             NULL
256         };
257         assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
258     }
259 
260     return assert_dialog_type;
261 }
262 
263 extern "C" {
gtk_assert_dialog_init(GTypeInstance * instance,void *)264 static void gtk_assert_dialog_init(GTypeInstance* instance, void*)
265 {
266     GtkAssertDialog* dlg = GTK_ASSERT_DIALOG(instance);
267     GtkWidget *continuebtn;
268 
269     {
270         GtkWidget *vbox, *hbox, *image;
271 
272         /* start the main vbox */
273         gtk_widget_push_composite_child ();
274         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
275         gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
276         gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dlg))), vbox, true, true, 5);
277 
278 
279         /* add the icon+message hbox */
280         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
281         gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
282 
283         /* icon */
284         image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
285         gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
286 
287         {
288             GtkWidget *vbox2, *info;
289 
290             /* message */
291             vbox2 = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
292             gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
293             info = gtk_label_new ("An assertion failed!");
294             gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
295 
296             /* assert message */
297             dlg->message = gtk_label_new (NULL);
298             gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
299             gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
300             gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
301             gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
302 
303             gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
304         }
305 
306 #if wxUSE_STACKWALKER
307         /* add the expander */
308         dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
309         gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
310         g_signal_connect (dlg->expander, "activate",
311                             G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
312 #endif // wxUSE_STACKWALKER
313     }
314 #if wxUSE_STACKWALKER
315     {
316         GtkWidget *hbox, *vbox, *button, *sw;
317 
318         /* create expander's vbox */
319         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
320         gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
321 
322         /* add a scrollable window under the expander */
323         sw = gtk_scrolled_window_new (NULL, NULL);
324         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
325         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
326                                         GTK_POLICY_AUTOMATIC);
327         gtk_widget_set_size_request(sw, -1, 180);
328         gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
329 
330         /* add the treeview to the scrollable window */
331         dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
332         gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
333 
334         /* create button's hbox */
335         hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
336         gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
337         gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
338 
339         /* add the buttons */
340         button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
341                                                 GTK_STOCK_SAVE);
342         g_signal_connect (button, "clicked",
343                             G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
344 
345         button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
346                                                   GTK_STOCK_COPY);
347         g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
348     }
349 #endif // wxUSE_STACKWALKER
350 
351     /* add the checkbutton */
352     dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
353     gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
354     gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dlg))), dlg->shownexttime, false, true, 8);
355 
356     /* add the stop button */
357     gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
358 
359     /* add the continue button */
360     continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
361     gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
362     g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
363 
364     /* complete creation */
365     dlg->callback = NULL;
366     dlg->userdata = NULL;
367 
368     /* the resizable property of this window is modified by the expander:
369        when it's collapsed, the window must be non-resizable! */
370     gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
371     gtk_widget_pop_composite_child ();
372     gtk_widget_show_all (GTK_WIDGET(dlg));
373 }
374 }
375 
376 /* ----------------------------------------------------------------------------
377    GtkAssertDialog public API
378  ---------------------------------------------------------------------------- */
379 
gtk_assert_dialog_get_message(GtkAssertDialog * dlg)380 gchar *gtk_assert_dialog_get_message (GtkAssertDialog *dlg)
381 {
382     /* NOTES:
383        1) returned string must g_free()d !
384        2) Pango markup is automatically stripped off by GTK
385     */
386     return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
387 }
388 
389 #if wxUSE_STACKWALKER
390 
gtk_assert_dialog_get_backtrace(GtkAssertDialog * dlg)391 gchar *gtk_assert_dialog_get_backtrace (GtkAssertDialog *dlg)
392 {
393     gchar *function, *sourcefile, *linenum;
394     guint count;
395 
396     GtkTreeModel *model;
397     GtkTreeIter iter;
398     GString *string;
399 
400     g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
401     model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
402     string = g_string_new("");
403 
404     /* iterate over the list */
405     if (!gtk_tree_model_get_iter_first (model, &iter))
406         return NULL;
407 
408     do
409     {
410         /* append this stack frame's info to the string */
411         gtk_tree_model_get(model, &iter,
412                             STACKFRAME_LEVEL_COLIDX, &count,
413                             FUNCTION_PROTOTYPE_COLIDX, &function,
414                             SOURCE_FILE_COLIDX, &sourcefile,
415                             LINE_NUMBER_COLIDX, &linenum,
416                             -1);
417 
418         g_string_append_printf(string, "[%u] %s",
419                                 count, function);
420         if (sourcefile[0] != '\0')
421             g_string_append_printf (string, " %s", sourcefile);
422         if (linenum[0] != '\0')
423             g_string_append_printf (string, ":%s", linenum);
424         g_string_append (string, "\n");
425 
426         g_free (function);
427         g_free (sourcefile);
428         g_free (linenum);
429 
430     } while (gtk_tree_model_iter_next (model, &iter));
431 
432     /* returned string must g_free()d */
433     return g_string_free (string, FALSE);
434 }
435 
436 #endif // wxUSE_STACKWALKER
437 
gtk_assert_dialog_set_message(GtkAssertDialog * dlg,const gchar * msg)438 void gtk_assert_dialog_set_message(GtkAssertDialog *dlg, const gchar *msg)
439 {
440     /* prepend and append the <b> tag
441        NOTE: g_markup_printf_escaped() is not used because it's available
442              only for glib >= 2.4 */
443     gchar *escaped_msg = g_markup_escape_text (msg, -1);
444     gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
445 
446     g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
447     gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
448 
449     g_free (decorated_msg);
450     g_free (escaped_msg);
451 }
452 
453 #if wxUSE_STACKWALKER
454 
gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog * assertdlg,GtkAssertDialogStackFrameCallback callback,void * userdata)455 void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
456                                               GtkAssertDialogStackFrameCallback callback,
457                                               void *userdata)
458 {
459     assertdlg->callback = callback;
460     assertdlg->userdata = userdata;
461 }
462 
gtk_assert_dialog_append_stack_frame(GtkAssertDialog * dlg,const gchar * function,const gchar * sourcefile,guint line_number)463 void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
464                                           const gchar *function,
465                                           const gchar *sourcefile,
466                                           guint line_number)
467 {
468     GtkTreeModel *model;
469     GtkTreeIter iter;
470     GString *linenum;
471     gint count;
472 
473     g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
474     model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
475 
476     /* how many items are in the list up to now ? */
477     count = gtk_tree_model_iter_n_children (model, NULL);
478 
479     linenum = g_string_new("");
480     if ( line_number != 0 )
481         g_string_printf (linenum, "%u", line_number);
482 
483     /* add data to the list store */
484     gtk_list_store_append (GTK_LIST_STORE(model), &iter);
485     gtk_list_store_set (GTK_LIST_STORE(model), &iter,
486                         STACKFRAME_LEVEL_COLIDX, count+1,     /* start from 1 and not from 0 */
487                         FUNCTION_PROTOTYPE_COLIDX, function,
488                         SOURCE_FILE_COLIDX, sourcefile,
489                         LINE_NUMBER_COLIDX, linenum->str,
490                         -1);
491 
492     g_string_free (linenum, TRUE);
493 }
494 
495 #endif // wxUSE_STACKWALKER
496 
gtk_assert_dialog_new(void)497 GtkWidget *gtk_assert_dialog_new(void)
498 {
499     void* dialog = g_object_new(GTK_TYPE_ASSERT_DIALOG, NULL);
500 
501     return GTK_WIDGET (dialog);
502 }
503 
504 #endif // wxDEBUG_LEVEL
505