[wxWidgets.git] / src / gtk / assertdlg_gtk.c

/* ///////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/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>

/* For FILE */
#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_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;
}

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, response_id);

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

    return button;
}

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_STRING,      /* 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
 ---------------------------------------------------------------------------- */

void gtk_assert_dialog_expander_callback (GtkWidget *widget, 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;
}

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));
        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);
}

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);
}

void gtk_assert_dialog_continue_callback (GtkWidget *widget, 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);
}


/* ----------------------------------------------------------------------------
   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)
    {
        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 *continuebtn;

    {
        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 */
        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);
    }

    {
        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 */
        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);

        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 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(dlg)->action_area), 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 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, *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_NAME_COLIDX, &function,
                            FUNCTION_ARGS_COLIDX, &arguments,
                            SOURCE_FILE_COLIDX, &sourcefile,
                            LINE_NUMBER_COLIDX, &linenum,
                            -1);

        g_string_append_printf (string, "[%u] %s(%s)",
                                count, function, arguments);
        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 (arguments);
        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);
}

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);
}

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 *arguments,
                                          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_NAME_COLIDX, function,
                        FUNCTION_ARGS_COLIDX, arguments,
                        SOURCE_FILE_COLIDX, sourcefile,
                        LINE_NUMBER_COLIDX, linenum->str,
                        -1);

    g_string_free (linenum, TRUE);
}

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

    return GTK_WIDGET (dialog);
}

#ifdef __cplusplus
}
#endif /* __cplusplus */
Commit	Line	Data
30c4dd91	1	/* ///////////////////////////////////////////////////////////////////////////
80fdcdb9	2	// Name: src/gtk/assertdlg_gtk.c
30c4dd91 RR	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
3a2d0cec JS	23	/* For FILE */
	24	#include <stdio.h>
	25
30c4dd91 RR	26
	27	/* ----------------------------------------------------------------------------
	28	Constants
	29	---------------------------------------------------------------------------- */
	30
61011e91 VZ	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	*/
30c4dd91 RR	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
364663aa VZ	71	GtkWidget gtk_assert_dialog_add_button (GtkAssertDialog dlg, const gchar *label,
364663aa VZ	72	const gchar *stock, gint response_id)
30c4dd91 RR	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);
364663aa VZ	79
364663aa VZ	80	return button;
30c4dd91 RR	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,
61011e91 VZ	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 */
30c4dd91 RR	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
61011e91	114	/* append columns */
30c4dd91 RR	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
30c4dd91 RR	145	void gtk_assert_dialog_expander_callback (GtkWidget widget, GtkAssertDialog dlg)
30c4dd91 RR	146	{
61011e91	147	/* status is not yet updated so we need to invert it to get the new one */
30c4dd91 RR	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));
4b5a7d3d VZ	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	}
30c4dd91 RR	193	}
	194
	195	gtk_widget_destroy (dialog);
	196	}
30c4dd91 RR	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
364663aa VZ	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
30c4dd91 RR	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;
364663aa	245
30c4dd91 RR	246	if (!assert_dialog_type)
30c4dd91 RR	247	{
de4a74e2	248	const GTypeInfo assert_dialog_info =
30c4dd91 RR	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	{
31c6672c	274	GtkWidget *continuebtn;
30c4dd91	275
31c6672c VZ	276	{
31c6672c VZ	277	GtkWidget vbox, hbox, *image;
30c4dd91	278
31c6672c VZ	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);
30c4dd91	284
30c4dd91	285
31c6672c VZ	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);
30c4dd91	289
31c6672c VZ	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);
30c4dd91	293
31c6672c VZ	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 */
0955be65 FM	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);
30c4dd91 RR	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 */
0955be65 FM	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);
30c4dd91 RR	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
364663aa VZ	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 */
30c4dd91	361	gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
30c4dd91	362
364663aa VZ	363	/* add the continue button */
364663aa VZ	364	continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
190b9344	365	gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
364663aa VZ	366	g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
364663aa VZ	367
30c4dd91 RR	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	{
8829531c VZ	396	gchar function, arguments, sourcefile, linenum;
8829531c VZ	397	guint count;
30c4dd91 RR	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
31c6672c	422	g_string_append_printf (string, "[%u] %s(%s)",
8829531c	423	count, function, arguments);
30c4dd91	424	if (sourcefile[0] != '\0')
8829531c VZ	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");
30c4dd91 RR	429
	430	g_free (function);
	431	g_free (arguments);
	432	g_free (sourcefile);
8829531c	433	g_free (linenum);
30c4dd91 RR	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	{
7c1bf4c1 VZ	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);
30c4dd91 RR	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);
7c1bf4c1	453	g_free (escaped_msg);
30c4dd91 RR	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;
30c4dd91 RR	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;
8829531c	472	GString *linenum;
30c4dd91 RR	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
8829531c VZ	481	linenum = g_string_new("");
8829531c VZ	482	if ( line_number != 0 )
31c6672c	483	g_string_printf (linenum, "%u", line_number);
8829531c	484
30c4dd91 RR	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,
8829531c	492	LINE_NUMBER_COLIDX, linenum->str,
30c4dd91	493	-1);
8829531c VZ	494
8829531c VZ	495	g_string_free (linenum, TRUE);
30c4dd91 RR	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 */