]> git.saurik.com Git - wxWidgets.git/commitdiff
Commit FM's GTK+ native assert dialog code.
authorRobert Roebling <robert@roebling.de>
Fri, 24 Nov 2006 10:50:20 +0000 (10:50 +0000)
committerRobert Roebling <robert@roebling.de>
Fri, 24 Nov 2006 10:50:20 +0000 (10:50 +0000)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43626 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/assertdlg_gtk.h [new file with mode: 0644]
src/gtk/assertdlg_gtk.c [new file with mode: 0644]

diff --git a/include/wx/gtk/assertdlg_gtk.h b/include/wx/gtk/assertdlg_gtk.h
new file mode 100644 (file)
index 0000000..228cf02
--- /dev/null
@@ -0,0 +1,90 @@
+/* ///////////////////////////////////////////////////////////////////////////
+// Name:        assertdlg_gtk.h
+// Purpose:     GtkAssertDialog
+// Author:      Francesco Montorsi
+// Id:          $Id$
+// Copyright:   (c) 2006 Francesco Montorsi
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////// */
+
+#ifndef __GTK_ASSERTDLG_H__
+#define __GTK_ASSERTDLG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <gtk/gtkdialog.h>
+#include <gtk/gtklabel.h>
+
+#define GTK_TYPE_ASSERT_DIALOG            (gtk_assert_dialog_get_type ())
+#define GTK_ASSERT_DIALOG(object)         (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_ASSERT_DIALOG, GtkAssertDialog))
+#define GTK_ASSERT_DIALOG_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ASSERT_DIALOG, GtkAssertDialogClass))
+#define GTK_IS_ASSERT_DIALOG(object)      (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_ASSERT_DIALOG))
+#define GTK_IS_ASSERT_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ASSERT_DIALOG))
+#define GTK_ASSERT_DIALOG_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ASSERT_DIALOG, GtkAssertDialogClass))
+
+typedef struct _GtkAssertDialog        GtkAssertDialog;
+typedef struct _GtkAssertDialogClass   GtkAssertDialogClass;
+typedef void (*GtkAssertDialogStackFrameCallback)(void *);
+
+struct _GtkAssertDialog
+{
+    GtkDialog parent_instance;
+
+    /* GtkAssertDialog widgets */
+    GtkWidget *expander;
+    GtkWidget *message;
+    GtkWidget *treeview;
+
+    /* callback for processing the stack frame */
+    GtkAssertDialogStackFrameCallback callback;
+    void *userdata;
+};
+
+struct _GtkAssertDialogClass
+{
+    GtkDialogClass parent_class;
+};
+
+typedef enum
+{
+    GTK_ASSERT_DIALOG_STOP,
+    GTK_ASSERT_DIALOG_CONTINUE,
+    GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING
+} GtkAssertDialogResponseID;
+
+
+
+
+GType gtk_assert_dialog_get_type();
+GtkWidget *gtk_assert_dialog_new();
+
+/* get the assert message */
+gchar *gtk_assert_dialog_get_message(GtkAssertDialog *assertdlg);
+
+/* set the assert message */
+void gtk_assert_dialog_set_message(GtkAssertDialog *assertdlg, const gchar *msg);
+
+/* get a string containing all stack frames appended to the dialog */
+gchar *gtk_assert_dialog_get_backtrace(GtkAssertDialog *assertdlg);
+
+/* sets the callback to use when the user wants to see the stackframe */
+void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
+                                              GtkAssertDialogStackFrameCallback callback,
+                                              void *userdata);
+
+/* appends a stack frame to the dialog */
+void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
+                                          const gchar *function,
+                                          const gchar *arguments,
+                                          const gchar *sourcefile,
+                                          guint line_number);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __GTK_ASSERTDLG_H__ */
+
+
diff --git a/src/gtk/assertdlg_gtk.c b/src/gtk/assertdlg_gtk.c
new file mode 100644 (file)
index 0000000..b5a877a
--- /dev/null
@@ -0,0 +1,498 @@
+/* ///////////////////////////////////////////////////////////////////////////
+// Name:        assertdlg_gtk.c
+// Purpose:     GtkAssertDialog
+// Author:      Francesco Montorsi
+// Id:          $Id$
+// Copyright:   (c) 2006 Francesco Montorsi
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////// */
+
+#ifdef VMS
+#define XCheckIfEvent XCHECKIFEVENT
+#endif
+
+#include "wx/platform.h"
+#include "wx/gtk/assertdlg_gtk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <gtk/gtk.h>
+
+
+#if GTK_CHECK_VERSION(2,4,0)
+#include <gtk/gtkexpander.h>
+#endif
+
+
+/* ----------------------------------------------------------------------------
+   Constants
+ ---------------------------------------------------------------------------- */
+
+// NB: when changing order of the columns also update the gtk_list_store_new() call
+//     in gtk_assert_dialog_create_backtrace_list_model() function
+#define STACKFRAME_LEVEL_COLIDX        0
+#define FUNCTION_NAME_COLIDX           1
+#define SOURCE_FILE_COLIDX             2
+#define LINE_NUMBER_COLIDX             3
+#define FUNCTION_ARGS_COLIDX           4
+
+
+
+
+/* ----------------------------------------------------------------------------
+   GtkAssertDialog helpers
+ ---------------------------------------------------------------------------- */
+
+GtkWidget *gtk_assert_dialog_add_button_to (GtkBox *box, const gchar *label,
+                                            const gchar *stock, gint response_id)
+{
+    /* create the button */
+    GtkWidget *button = gtk_button_new_with_mnemonic (label);
+    GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
+
+#if GTK_CHECK_VERSION(2,6,0)
+    if (!gtk_check_version (2, 6, 0))
+    {
+        /* add a stock icon inside it */
+        GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
+        gtk_button_set_image (GTK_BUTTON (button), image);
+    }
+#endif
+
+    /* add to the given (container) widget */
+    if (box)
+        gtk_box_pack_end (box, button, FALSE, TRUE, 8);
+
+    return button;
+}
+
+void gtk_assert_dialog_add_button (GtkAssertDialog *dlg, const gchar *label,
+                                   const gchar *stock, gint response_id)
+{
+    /* create the button */
+    GtkWidget *button = gtk_assert_dialog_add_button_to (NULL, label, stock, response_id);
+
+    /* add the button to the dialog's action area */
+    gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
+}
+
+void gtk_assert_dialog_append_text_column (GtkWidget *treeview, const gchar *name, int index)
+{
+    GtkCellRenderer *renderer;
+    GtkTreeViewColumn *column;
+
+    renderer = gtk_cell_renderer_text_new ();
+    column = gtk_tree_view_column_new_with_attributes (name, renderer,
+                                                       "text", index, NULL);
+    gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
+    gtk_tree_view_column_set_resizable (column, TRUE);
+    gtk_tree_view_column_set_reorderable (column, TRUE);
+}
+
+GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
+{
+    GtkListStore *store;
+    GtkWidget *treeview;
+
+    /* create list store */
+    store = gtk_list_store_new (5,
+                                G_TYPE_UINT,        // stack frame number
+                                G_TYPE_STRING,      // function name
+                                G_TYPE_STRING,      // source file name
+                                G_TYPE_UINT,        // line number
+                                G_TYPE_STRING);     // function arguments
+
+    /* create the tree view */
+    treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
+    g_object_unref (store);
+    gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
+
+    // append columns
+    gtk_assert_dialog_append_text_column(treeview, "#", STACKFRAME_LEVEL_COLIDX);
+    gtk_assert_dialog_append_text_column(treeview, "Function name", FUNCTION_NAME_COLIDX);
+    gtk_assert_dialog_append_text_column(treeview, "Function args", FUNCTION_ARGS_COLIDX);
+    gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
+    gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
+
+    return treeview;
+}
+
+void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
+{
+    /* set busy cursor */
+    GdkWindow *parent = GTK_WIDGET(dlg)->window;
+    GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
+    gdk_window_set_cursor (parent, cur);
+    gdk_flush ();
+
+    (*dlg->callback)(dlg->userdata);
+
+    /* toggle busy cursor */
+    gdk_window_set_cursor (parent, NULL);
+    gdk_cursor_unref (cur);
+}
+
+
+
+/* ----------------------------------------------------------------------------
+   GtkAssertDialog signal handlers
+ ---------------------------------------------------------------------------- */
+
+#if GTK_CHECK_VERSION(2,4,0)        // GtkFileChooserDialog and GtkExpander
+                                    // are only available in GTK+ >= 2.4
+
+void gtk_assert_dialog_expander_callback (GtkWidget *widget, GtkAssertDialog *dlg)
+{
+    // for some reason we need to invert the return value of gtk_expander_get_expanded
+    // to get the real expanded status
+    gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
+    gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
+
+    if (dlg->callback == NULL)      /* was the backtrace already processed? */
+        return;
+
+    gtk_assert_dialog_process_backtrace (dlg);
+
+    /* mark the work as done (so that next activate we won't call the callback again) */
+    dlg->callback = NULL;
+}
+
+void gtk_assert_dialog_save_backtrace_callback (GtkWidget *widget, GtkAssertDialog *dlg)
+{
+    GtkWidget *dialog;
+
+    dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
+                                          GTK_FILE_CHOOSER_ACTION_SAVE,
+                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                          GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
+                                          NULL);
+
+    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
+    {
+        char *filename, *msg, *backtrace;
+        FILE *fp;
+
+        filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+        msg = gtk_assert_dialog_get_message (dlg);
+        backtrace = gtk_assert_dialog_get_backtrace (dlg);
+
+        /* open the file and write all info inside it */
+        fp = fopen (filename, "w");
+        if (fp && filename)
+            fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
+
+        g_free (filename);
+        g_free (msg);
+        g_free (backtrace);
+        fclose (fp);
+    }
+
+    gtk_widget_destroy (dialog);
+}
+#endif
+
+void gtk_assert_dialog_copy_callback (GtkWidget *widget, GtkAssertDialog *dlg)
+{
+    char *msg, *backtrace;
+    GtkClipboard *clipboard;
+    GString *str;
+
+    msg = gtk_assert_dialog_get_message (dlg);
+    backtrace = gtk_assert_dialog_get_backtrace (dlg);
+
+    /* combine both in a single string */
+    str = g_string_new("");
+    g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
+
+    /* copy everything in default clipboard */
+    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+    gtk_clipboard_set_text (clipboard, str->str, str->len);
+
+    /* copy everything in primary clipboard too */
+    clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
+    gtk_clipboard_set_text (clipboard, str->str, str->len);
+
+    g_free (msg);
+    g_free (backtrace);
+    g_string_free (str, TRUE);
+}
+
+
+/* ----------------------------------------------------------------------------
+   GtkAssertDialogClass implementation
+ ---------------------------------------------------------------------------- */
+
+static void     gtk_assert_dialog_init              (GtkAssertDialog        *self);
+static void     gtk_assert_dialog_class_init        (GtkAssertDialogClass *klass);
+
+
+GtkType gtk_assert_dialog_get_type (void)
+{
+    static GtkType assert_dialog_type = 0;
+    
+    if (!assert_dialog_type)
+    {
+        static const GTypeInfo assert_dialog_info =
+        {
+            sizeof (GtkAssertDialogClass),
+            NULL,           /* base_init */
+            NULL,           /* base_finalize */
+            (GClassInitFunc) gtk_assert_dialog_class_init,
+            NULL,           /* class_finalize */
+            NULL,           /* class_data */
+            sizeof (GtkAssertDialog),
+            16,             /* n_preallocs */
+            (GInstanceInitFunc) gtk_assert_dialog_init,
+            NULL
+        };
+        assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
+    }
+
+    return assert_dialog_type;
+}
+
+void gtk_assert_dialog_class_init(GtkAssertDialogClass *klass)
+{
+    /* no special initializations required */
+}
+
+void gtk_assert_dialog_init(GtkAssertDialog *dlg)
+{
+    GtkWidget *vbox, *hbox, *image;
+
+    /* start the main vbox */
+    gtk_widget_push_composite_child ();
+    vbox = gtk_vbox_new (FALSE, 8);
+    gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
+    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), vbox, TRUE, TRUE, 5);
+
+
+    /* add the icon+message hbox */
+    hbox = gtk_hbox_new (FALSE, 0);
+    gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
+
+    /* icon */
+    image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
+    gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
+
+    {
+        GtkWidget *vbox2, *info;
+
+        /* message */
+        vbox2 = gtk_vbox_new (FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
+        info = gtk_label_new ("An assertion failed!");
+        gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
+
+        /* assert message */
+        dlg->message = gtk_label_new (NULL);
+        gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
+        gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
+        gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
+        gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
+
+        gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
+    }
+
+    /* add the expander */
+#if GTK_CHECK_VERSION(2,4,0)
+    if (!gtk_check_version (2, 4, 0))
+    {
+        dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
+        gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
+        g_signal_connect (GTK_EXPANDER(dlg->expander), "activate",
+                          G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
+    }
+    else
+#endif
+    {
+        // if GtkExpander is unavailable, then use a static frame instead
+        dlg->expander = gtk_frame_new ("Back_trace:");
+        gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
+    }
+
+    {
+        GtkWidget *hbox, *vbox, *button, *sw;
+
+        /* create expander's vbox */
+        vbox = gtk_vbox_new (FALSE, 0);
+        gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
+
+        /* add a scrollable window under the expander */
+        sw = gtk_scrolled_window_new (NULL, NULL);
+        gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
+        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
+                                        GTK_POLICY_AUTOMATIC);
+        gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
+
+        /* add the treeview to the scrollable window */
+        dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
+        gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
+        gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
+
+        /* create button's hbox */
+        hbox = gtk_hbutton_box_new ();
+        gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
+        gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
+
+        /* add the buttons */
+#if GTK_CHECK_VERSION(2,4,0)
+        if (!gtk_check_version (2, 4, 0))
+        {
+            /* add this button only if GTK supports GtkFileChooserDialog */
+            button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
+                                                    GTK_STOCK_SAVE, GTK_RESPONSE_NONE);
+            g_signal_connect (button, "clicked",
+                              G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
+        }
+#endif
+
+        button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
+                                                  GTK_STOCK_COPY, GTK_RESPONSE_NONE);
+        g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
+    }
+
+    /* add the buttons */
+    gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
+    gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
+    gtk_assert_dialog_add_button (dlg, "Continue su_ppressing", GTK_STOCK_OK,
+                                  GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING);
+    gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_STOP);
+
+    /* complete creation */
+    dlg->callback = NULL;
+    dlg->userdata = NULL;
+
+    /* the resizeable property of this window is modified by the expander:
+       when it's collapsed, the window must be non-resizeable! */
+    gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
+    gtk_widget_pop_composite_child ();
+    gtk_widget_show_all (GTK_WIDGET(dlg));
+}
+
+
+
+/* ----------------------------------------------------------------------------
+   GtkAssertDialog public API
+ ---------------------------------------------------------------------------- */
+
+gchar *gtk_assert_dialog_get_message (GtkAssertDialog *dlg)
+{
+    /* NOTES:
+       1) returned string must g_free()d !
+       2) Pango markup is automatically stripped off by GTK
+    */
+    return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
+}
+
+gchar *gtk_assert_dialog_get_backtrace (GtkAssertDialog *dlg)
+{
+    gchar *function, *arguments, *sourcefile;
+    guint count, linenum;
+
+    GtkTreeModel *model;
+    GtkTreeIter iter;
+    GString *string;
+
+    g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
+    model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
+    string = g_string_new("");
+
+    /* iterate over the list */
+    if (!gtk_tree_model_get_iter_first (model, &iter))
+        return NULL;
+
+    do
+    {
+        /* append this stack frame's info to the string */
+        gtk_tree_model_get (model, &iter,
+                            STACKFRAME_LEVEL_COLIDX, &count,
+                            FUNCTION_NAME_COLIDX, &function,
+                            FUNCTION_ARGS_COLIDX, &arguments,
+                            SOURCE_FILE_COLIDX, &sourcefile,
+                            LINE_NUMBER_COLIDX, &linenum,
+                            -1);
+
+        if (sourcefile[0] != '\0')
+            g_string_append_printf (string, "[%d] %s(%s) %s:%d\n",
+                                    count, function, arguments,
+                                    sourcefile, linenum);
+        else
+            g_string_append_printf (string, "[%d] %s(%s)\n",
+                                    count, function, arguments);
+
+        g_free (function);
+        g_free (arguments);
+        g_free (sourcefile);
+
+    } while (gtk_tree_model_iter_next (model, &iter));
+
+    /* returned string must g_free()d */
+    return g_string_free (string, FALSE);
+}
+
+void gtk_assert_dialog_set_message(GtkAssertDialog *dlg, const gchar *msg)
+{
+    /* prepend and append the <b> tag */
+    gchar *decorated_msg = g_strdup_printf("<b>%s</b>", msg);
+
+    g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
+    gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
+
+    g_free (decorated_msg);
+}
+
+void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
+                                              GtkAssertDialogStackFrameCallback callback,
+                                              void *userdata)
+{
+    assertdlg->callback = callback;
+    assertdlg->userdata = userdata;
+
+    if (gtk_check_version (2, 4, 0))
+    {
+        // we need to immediately process the stack trace as we're not using
+        // an expander since GTK does not support it
+        gtk_assert_dialog_process_backtrace (assertdlg);
+    }
+}
+
+void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
+                                          const gchar *function,
+                                          const gchar *arguments,
+                                          const gchar *sourcefile,
+                                          guint line_number)
+{
+    GtkTreeModel *model;
+    GtkTreeIter iter;
+    gint count;
+
+    g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
+    model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
+
+    /* how many items are in the list up to now ? */
+    count = gtk_tree_model_iter_n_children (model, NULL);
+
+    /* add data to the list store */
+    gtk_list_store_append (GTK_LIST_STORE(model), &iter);
+    gtk_list_store_set (GTK_LIST_STORE(model), &iter,
+                        STACKFRAME_LEVEL_COLIDX, count+1,     /* start from 1 and not from 0 */
+                        FUNCTION_NAME_COLIDX, function,
+                        FUNCTION_ARGS_COLIDX, arguments,
+                        SOURCE_FILE_COLIDX, sourcefile,
+                        LINE_NUMBER_COLIDX, line_number,
+                        -1);
+}
+
+GtkWidget *gtk_assert_dialog_new(void)
+{
+    GtkAssertDialog *dialog = g_object_new (GTK_TYPE_ASSERT_DIALOG, NULL);
+
+    return GTK_WIDGET (dialog);
+}
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */