src/gtk/assertdlg_gtk.cpp

/* ///////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/assertdlg_gtk.cpp
// Purpose:     GtkAssertDialog
// Author:      Francesco Montorsi
// Copyright:   (c) 2006 Francesco Montorsi
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////// */

#include "wx/wxprec.h"

#if wxDEBUG_LEVEL

#include <gtk/gtk.h>
#include "wx/gtk/assertdlg_gtk.h"
#include "wx/gtk/private/gtk2-compat.h"

#include <stdio.h>

/* ----------------------------------------------------------------------------
   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_PROTOTYPE_COLIDX      1
#define SOURCE_FILE_COLIDX             2
#define LINE_NUMBER_COLIDX             3

/* ----------------------------------------------------------------------------
   GtkAssertDialog helpers
 ---------------------------------------------------------------------------- */

static
GtkWidget *gtk_assert_dialog_add_button_to (GtkBox *box, const gchar *label,
                                            const gchar *stock)
{
    /* create the button */
    GtkWidget *button = gtk_button_new_with_mnemonic (label);
    gtk_widget_set_can_default(button, true);

    /* 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);

    /* add to the given (container) widget */
    if (box)
        gtk_box_pack_end (box, button, FALSE, TRUE, 8);

    return button;
}

static
GtkWidget *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);

    /* add the button to the dialog's action area */
    gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);

    return button;
}

#if wxUSE_STACKWALKER

static
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);
}

static
GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
{
    GtkListStore *store;
    GtkWidget *treeview;

    /* create list store */
    store = gtk_list_store_new (4,
                                G_TYPE_UINT,        /* stack frame number */
                                G_TYPE_STRING,      /* function prototype */
                                G_TYPE_STRING,      /* source file name   */
                                G_TYPE_STRING);     /* line number        */

    /* 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 Prototype", FUNCTION_PROTOTYPE_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;
}

static
void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
{
    /* set busy cursor */
    GdkWindow *parent = gtk_widget_get_window(GTK_WIDGET(dlg));
    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);
#ifdef __WXGTK3__
    g_object_unref(cur);
#else
    gdk_cursor_unref (cur);
#endif
}

extern "C" {
/* ----------------------------------------------------------------------------
   GtkAssertDialog signal handlers
 ---------------------------------------------------------------------------- */

static void gtk_assert_dialog_expander_callback(GtkWidget*, GtkAssertDialog* dlg)
{
    /* status is not yet updated so we need to invert it to get the new one */
    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;
}

static void gtk_assert_dialog_save_backtrace_callback(GtkWidget*, 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));
        if ( filename )
        {
            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)
            {
                fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
                fclose (fp);
            }

            g_free (filename);
            g_free (msg);
            g_free (backtrace);
        }
    }

    gtk_widget_destroy (dialog);
}

static void gtk_assert_dialog_copy_callback(GtkWidget*, 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);
}
} // extern "C"

#endif // wxUSE_STACKWALKER

extern "C" {
static void gtk_assert_dialog_continue_callback(GtkWidget*, GtkAssertDialog* dlg)
{
    gint response =
        gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
            GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;

    gtk_dialog_response (GTK_DIALOG(dlg), response);
}
} // extern "C"

/* ----------------------------------------------------------------------------
   GtkAssertDialogClass implementation
 ---------------------------------------------------------------------------- */

extern "C" {
static void gtk_assert_dialog_init(GTypeInstance* instance, void*);
}

GType gtk_assert_dialog_get_type()
{
    static GType assert_dialog_type;

    if (!assert_dialog_type)
    {
        const GTypeInfo assert_dialog_info =
        {
            sizeof (GtkAssertDialogClass),
            NULL,           /* base_init */
            NULL,           /* base_finalize */
            NULL,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (GtkAssertDialog),
            16,             /* n_preallocs */
            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;
}

extern "C" {
static void gtk_assert_dialog_init(GTypeInstance* instance, void*)
{
    GtkAssertDialog* dlg = GTK_ASSERT_DIALOG(instance);
    GtkWidget *continuebtn;

    {
        GtkWidget *vbox, *hbox, *image;

        /* start the main vbox */
        gtk_widget_push_composite_child ();
        vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
        gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
        gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dlg))), vbox, true, true, 5);


        /* add the icon+message hbox */
        hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 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_box_new(GTK_ORIENTATION_VERTICAL, 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);
        }

#if wxUSE_STACKWALKER
        /* add the expander */
        dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
        gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
        g_signal_connect (dlg->expander, "activate",
                            G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
#endif // wxUSE_STACKWALKER
    }
#if wxUSE_STACKWALKER
    {
        GtkWidget *hbox, *vbox, *button, *sw;

        /* create expander's vbox */
        vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 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_button_box_new(GTK_ORIENTATION_HORIZONTAL);
        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 */
        button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
                                                GTK_STOCK_SAVE);
        g_signal_connect (button, "clicked",
                            G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);

        button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
                                                  GTK_STOCK_COPY);
        g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
    }
#endif // wxUSE_STACKWALKER

    /* add the checkbutton */
    dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
    gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dlg))), dlg->shownexttime, false, true, 8);

    /* add the stop button */
    gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);

    /* add the continue button */
    continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
    gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
    g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);

    /* complete creation */
    dlg->callback = NULL;
    dlg->userdata = NULL;

    /* the resizable property of this window is modified by the expander:
       when it's collapsed, the window must be non-resizable! */
    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)));
}

#if wxUSE_STACKWALKER

gchar *gtk_assert_dialog_get_backtrace (GtkAssertDialog *dlg)
{
    gchar *function, *sourcefile, *linenum;
    guint count;

    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_PROTOTYPE_COLIDX, &function,
                            SOURCE_FILE_COLIDX, &sourcefile,
                            LINE_NUMBER_COLIDX, &linenum,
                            -1);

        g_string_append_printf(string, "[%u] %s",
                                count, function);
        if (sourcefile[0] != '\0')
            g_string_append_printf (string, " %s", sourcefile);
        if (linenum[0] != '\0')
            g_string_append_printf (string, ":%s", linenum);
        g_string_append (string, "\n");

        g_free (function);
        g_free (sourcefile);
        g_free (linenum);

    } while (gtk_tree_model_iter_next (model, &iter));

    /* returned string must g_free()d */
    return g_string_free (string, FALSE);
}

#endif // wxUSE_STACKWALKER

void gtk_assert_dialog_set_message(GtkAssertDialog *dlg, const gchar *msg)
{
    /* prepend and append the <b> tag
       NOTE: g_markup_printf_escaped() is not used because it's available
             only for glib >= 2.4 */
    gchar *escaped_msg = g_markup_escape_text (msg, -1);
    gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);

    g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
    gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);

    g_free (decorated_msg);
    g_free (escaped_msg);
}

#if wxUSE_STACKWALKER

void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
                                              GtkAssertDialogStackFrameCallback callback,
                                              void *userdata)
{
    assertdlg->callback = callback;
    assertdlg->userdata = userdata;
}

void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
                                          const gchar *function,
                                          const gchar *sourcefile,
                                          guint line_number)
{
    GtkTreeModel *model;
    GtkTreeIter iter;
    GString *linenum;
    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);

    linenum = g_string_new("");
    if ( line_number != 0 )
        g_string_printf (linenum, "%u", line_number);

    /* 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_PROTOTYPE_COLIDX, function,
                        SOURCE_FILE_COLIDX, sourcefile,
                        LINE_NUMBER_COLIDX, linenum->str,
                        -1);

    g_string_free (linenum, TRUE);
}

#endif // wxUSE_STACKWALKER

GtkWidget *gtk_assert_dialog_new(void)
{
    void* dialog = g_object_new(GTK_TYPE_ASSERT_DIALOG, NULL);

    return GTK_WIDGET (dialog);
}

#endif // wxDEBUG_LEVEL
Commit	Line	Data
	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
	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
	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
	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
	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
	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	GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
	117	gdk_window_set_cursor (parent, cur);
	118	gdk_flush ();
	119
	120	(*dlg->callback)(dlg->userdata);
	121
	122	/* toggle busy cursor */
	123	gdk_window_set_cursor (parent, NULL);
	124	#ifdef __WXGTK3__
	125	g_object_unref(cur);
	126	#else
	127	gdk_cursor_unref (cur);
	128	#endif
	129	}
	130
	131	extern "C" {
	132	/* ----------------------------------------------------------------------------
	133	GtkAssertDialog signal handlers
	134	---------------------------------------------------------------------------- */
	135
	136	static void gtk_assert_dialog_expander_callback(GtkWidget, GtkAssertDialog dlg)
	137	{
	138	/* status is not yet updated so we need to invert it to get the new one */
	139	gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
	140	gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
	141
	142	if (dlg->callback == NULL) /* was the backtrace already processed? */
	143	return;
	144
	145	gtk_assert_dialog_process_backtrace (dlg);
	146
	147	/* mark the work as done (so that next activate we won't call the callback again) */
	148	dlg->callback = NULL;
	149	}
	150
	151	static void gtk_assert_dialog_save_backtrace_callback(GtkWidget, GtkAssertDialog dlg)
	152	{
	153	GtkWidget *dialog;
	154
	155	dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
	156	GTK_FILE_CHOOSER_ACTION_SAVE,
	157	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	158	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
	159	NULL);
	160
	161	if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
	162	{
	163	char filename, msg, *backtrace;
	164	FILE *fp;
	165
	166	filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
	167	if ( filename )
	168	{
	169	msg = gtk_assert_dialog_get_message (dlg);
	170	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	171
	172	/* open the file and write all info inside it */
	173	fp = fopen (filename, "w");
	174	if (fp)
	175	{
	176	fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
	177	fclose (fp);
	178	}
	179
	180	g_free (filename);
	181	g_free (msg);
	182	g_free (backtrace);
	183	}
	184	}
	185
	186	gtk_widget_destroy (dialog);
	187	}
	188
	189	static void gtk_assert_dialog_copy_callback(GtkWidget, GtkAssertDialog dlg)
	190	{
	191	char msg, backtrace;
	192	GtkClipboard *clipboard;
	193	GString *str;
	194
	195	msg = gtk_assert_dialog_get_message (dlg);
	196	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	197
	198	/* combine both in a single string */
	199	str = g_string_new("");
	200	g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
	201
	202	/* copy everything in default clipboard */
	203	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
	204	gtk_clipboard_set_text (clipboard, str->str, str->len);
	205
	206	/* copy everything in primary clipboard too */
	207	clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
	208	gtk_clipboard_set_text (clipboard, str->str, str->len);
	209
	210	g_free (msg);
	211	g_free (backtrace);
	212	g_string_free (str, TRUE);
	213	}
	214	} // extern "C"
	215
	216	#endif // wxUSE_STACKWALKER
	217
	218	extern "C" {
	219	static void gtk_assert_dialog_continue_callback(GtkWidget, GtkAssertDialog dlg)
	220	{
	221	gint response =
	222	gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
	223	GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
	224
	225	gtk_dialog_response (GTK_DIALOG(dlg), response);
	226	}
	227	} // extern "C"
	228
	229	/* ----------------------------------------------------------------------------
	230	GtkAssertDialogClass implementation
	231	---------------------------------------------------------------------------- */
	232
	233	extern "C" {
	234	static void gtk_assert_dialog_init(GTypeInstance* instance, void*);
	235	}
	236
	237	GType gtk_assert_dialog_get_type()
	238	{
	239	static GType assert_dialog_type;
	240
	241	if (!assert_dialog_type)
	242	{
	243	const GTypeInfo assert_dialog_info =
	244	{
	245	sizeof (GtkAssertDialogClass),
	246	NULL, /* base_init */
	247	NULL, /* base_finalize */
	248	NULL,
	249	NULL, /* class_finalize */
	250	NULL, /* class_data */
	251	sizeof (GtkAssertDialog),
	252	16, /* n_preallocs */
	253	gtk_assert_dialog_init,
	254	NULL
	255	};
	256	assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
	257	}
	258
	259	return assert_dialog_type;
	260	}
	261
	262	extern "C" {
	263	static void gtk_assert_dialog_init(GTypeInstance* instance, void*)
	264	{
	265	GtkAssertDialog* dlg = GTK_ASSERT_DIALOG(instance);
	266	GtkWidget *continuebtn;
	267
	268	{
	269	GtkWidget vbox, hbox, *image;
	270
	271	/* start the main vbox */
	272	gtk_widget_push_composite_child ();
	273	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
	274	gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
	275	gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dlg))), vbox, true, true, 5);
	276
	277
	278	/* add the icon+message hbox */
	279	hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
	280	gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	281
	282	/* icon */
	283	image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
	284	gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
	285
	286	{
	287	GtkWidget vbox2, info;
	288
	289	/* message */
	290	vbox2 = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
	291	gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
	292	info = gtk_label_new ("An assertion failed!");
	293	gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
	294
	295	/* assert message */
	296	dlg->message = gtk_label_new (NULL);
	297	gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
	298	gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
	299	gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
	300	gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
	301
	302	gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
	303	}
	304
	305	#if wxUSE_STACKWALKER
	306	/* add the expander */
	307	dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
	308	gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
	309	g_signal_connect (dlg->expander, "activate",
	310	G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
	311	#endif // wxUSE_STACKWALKER
	312	}
	313	#if wxUSE_STACKWALKER
	314	{
	315	GtkWidget hbox, vbox, button, sw;
	316
	317	/* create expander's vbox */
	318	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
	319	gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
	320
	321	/* add a scrollable window under the expander */
	322	sw = gtk_scrolled_window_new (NULL, NULL);
	323	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
	324	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
	325	GTK_POLICY_AUTOMATIC);
	326	gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
	327
	328	/* add the treeview to the scrollable window */
	329	dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
	330	gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
	331	gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
	332
	333	/* create button's hbox */
	334	hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
	335	gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	336	gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
	337
	338	/* add the buttons */
	339	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
	340	GTK_STOCK_SAVE);
	341	g_signal_connect (button, "clicked",
	342	G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
	343
	344	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
	345	GTK_STOCK_COPY);
	346	g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
	347	}
	348	#endif // wxUSE_STACKWALKER
	349
	350	/* add the checkbutton */
	351	dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
	352	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
	353	gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dlg))), dlg->shownexttime, false, true, 8);
	354
	355	/* add the stop button */
	356	gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
	357
	358	/* add the continue button */
	359	continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
	360	gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
	361	g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
	362
	363	/* complete creation */
	364	dlg->callback = NULL;
	365	dlg->userdata = NULL;
	366
	367	/* the resizable property of this window is modified by the expander:
	368	when it's collapsed, the window must be non-resizable! */
	369	gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
	370	gtk_widget_pop_composite_child ();
	371	gtk_widget_show_all (GTK_WIDGET(dlg));
	372	}
	373	}
	374
	375	/* ----------------------------------------------------------------------------
	376	GtkAssertDialog public API
	377	---------------------------------------------------------------------------- */
	378
	379	gchar gtk_assert_dialog_get_message (GtkAssertDialog dlg)
	380	{
	381	/* NOTES:
	382	1) returned string must g_free()d !
	383	2) Pango markup is automatically stripped off by GTK
	384	*/
	385	return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
	386	}
	387
	388	#if wxUSE_STACKWALKER
	389
	390	gchar gtk_assert_dialog_get_backtrace (GtkAssertDialog dlg)
	391	{
	392	gchar function, sourcefile, *linenum;
	393	guint count;
	394
	395	GtkTreeModel *model;
	396	GtkTreeIter iter;
	397	GString *string;
	398
	399	g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
	400	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	401	string = g_string_new("");
	402
	403	/* iterate over the list */
	404	if (!gtk_tree_model_get_iter_first (model, &iter))
	405	return NULL;
	406
	407	do
	408	{
	409	/* append this stack frame's info to the string */
	410	gtk_tree_model_get(model, &iter,
	411	STACKFRAME_LEVEL_COLIDX, &count,
	412	FUNCTION_PROTOTYPE_COLIDX, &function,
	413	SOURCE_FILE_COLIDX, &sourcefile,
	414	LINE_NUMBER_COLIDX, &linenum,
	415	-1);
	416
	417	g_string_append_printf(string, "[%u] %s",
	418	count, function);
	419	if (sourcefile[0] != '\0')
	420	g_string_append_printf (string, " %s", sourcefile);
	421	if (linenum[0] != '\0')
	422	g_string_append_printf (string, ":%s", linenum);
	423	g_string_append (string, "\n");
	424
	425	g_free (function);
	426	g_free (sourcefile);
	427	g_free (linenum);
	428
	429	} while (gtk_tree_model_iter_next (model, &iter));
	430
	431	/* returned string must g_free()d */
	432	return g_string_free (string, FALSE);
	433	}
	434
	435	#endif // wxUSE_STACKWALKER
	436
	437	void gtk_assert_dialog_set_message(GtkAssertDialog dlg, const gchar msg)
	438	{
	439	/* prepend and append the <b> tag
	440	NOTE: g_markup_printf_escaped() is not used because it's available
	441	only for glib >= 2.4 */
	442	gchar *escaped_msg = g_markup_escape_text (msg, -1);
	443	gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
	444
	445	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	446	gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
	447
	448	g_free (decorated_msg);
	449	g_free (escaped_msg);
	450	}
	451
	452	#if wxUSE_STACKWALKER
	453
	454	void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
	455	GtkAssertDialogStackFrameCallback callback,
	456	void *userdata)
	457	{
	458	assertdlg->callback = callback;
	459	assertdlg->userdata = userdata;
	460	}
	461
	462	void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
	463	const gchar *function,
	464	const gchar *sourcefile,
	465	guint line_number)
	466	{
	467	GtkTreeModel *model;
	468	GtkTreeIter iter;
	469	GString *linenum;
	470	gint count;
	471
	472	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	473	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	474
	475	/* how many items are in the list up to now ? */
	476	count = gtk_tree_model_iter_n_children (model, NULL);
	477
	478	linenum = g_string_new("");
	479	if ( line_number != 0 )
	480	g_string_printf (linenum, "%u", line_number);
	481
	482	/* add data to the list store */
	483	gtk_list_store_append (GTK_LIST_STORE(model), &iter);
	484	gtk_list_store_set (GTK_LIST_STORE(model), &iter,
	485	STACKFRAME_LEVEL_COLIDX, count+1, /* start from 1 and not from 0 */
	486	FUNCTION_PROTOTYPE_COLIDX, function,
	487	SOURCE_FILE_COLIDX, sourcefile,
	488	LINE_NUMBER_COLIDX, linenum->str,
	489	-1);
	490
	491	g_string_free (linenum, TRUE);
	492	}
	493
	494	#endif // wxUSE_STACKWALKER
	495
	496	GtkWidget *gtk_assert_dialog_new(void)
	497	{
	498	void* dialog = g_object_new(GTK_TYPE_ASSERT_DIALOG, NULL);
	499
	500	return GTK_WIDGET (dialog);
	501	}
	502
	503	#endif // wxDEBUG_LEVEL