src/gtk/assertdlg_gtk.c

/* ///////////////////////////////////////////////////////////////////////////
// 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>

/* For FILE */
#include <stdio.h>

#include <gtk/gtkexpander.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
	1	/* ///////////////////////////////////////////////////////////////////////////
	2	// Name: assertdlg_gtk.c
	3	// Purpose: GtkAssertDialog
	4	// Author: Francesco Montorsi
	5	// Id: $Id$
	6	// Copyright: (c) 2006 Francesco Montorsi
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////// */
	9
	10	#ifdef VMS
	11	#define XCheckIfEvent XCHECKIFEVENT
	12	#endif
	13
	14	#include "wx/platform.h"
	15	#include "wx/gtk/assertdlg_gtk.h"
	16
	17	#ifdef __cplusplus
	18	extern "C" {
	19	#endif /* __cplusplus */
	20
	21	#include <gtk/gtk.h>
	22
	23	/* For FILE */
	24	#include <stdio.h>
	25
	26	#include <gtk/gtkexpander.h>
	27
	28
	29	/* ----------------------------------------------------------------------------
	30	Constants
	31	---------------------------------------------------------------------------- */
	32
	33	/*
	34	NB: when changing order of the columns also update the gtk_list_store_new() call
	35	in gtk_assert_dialog_create_backtrace_list_model() function
	36	*/
	37	#define STACKFRAME_LEVEL_COLIDX 0
	38	#define FUNCTION_NAME_COLIDX 1
	39	#define SOURCE_FILE_COLIDX 2
	40	#define LINE_NUMBER_COLIDX 3
	41	#define FUNCTION_ARGS_COLIDX 4
	42
	43
	44
	45
	46	/* ----------------------------------------------------------------------------
	47	GtkAssertDialog helpers
	48	---------------------------------------------------------------------------- */
	49
	50	GtkWidget gtk_assert_dialog_add_button_to (GtkBox box, const gchar *label,
	51	const gchar *stock, gint response_id)
	52	{
	53	/* create the button */
	54	GtkWidget *button = gtk_button_new_with_mnemonic (label);
	55	GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
	56
	57	#if GTK_CHECK_VERSION(2,6,0)
	58	if (!gtk_check_version (2, 6, 0))
	59	{
	60	/* add a stock icon inside it */
	61	GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
	62	gtk_button_set_image (GTK_BUTTON (button), image);
	63	}
	64	#endif
	65
	66	/* add to the given (container) widget */
	67	if (box)
	68	gtk_box_pack_end (box, button, FALSE, TRUE, 8);
	69
	70	return button;
	71	}
	72
	73	GtkWidget gtk_assert_dialog_add_button (GtkAssertDialog dlg, const gchar *label,
	74	const gchar *stock, gint response_id)
	75	{
	76	/* create the button */
	77	GtkWidget *button = gtk_assert_dialog_add_button_to (NULL, label, stock, response_id);
	78
	79	/* add the button to the dialog's action area */
	80	gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
	81
	82	return button;
	83	}
	84
	85	void gtk_assert_dialog_append_text_column (GtkWidget treeview, const gchar name, int index)
	86	{
	87	GtkCellRenderer *renderer;
	88	GtkTreeViewColumn *column;
	89
	90	renderer = gtk_cell_renderer_text_new ();
	91	column = gtk_tree_view_column_new_with_attributes (name, renderer,
	92	"text", index, NULL);
	93	gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
	94	gtk_tree_view_column_set_resizable (column, TRUE);
	95	gtk_tree_view_column_set_reorderable (column, TRUE);
	96	}
	97
	98	GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
	99	{
	100	GtkListStore *store;
	101	GtkWidget *treeview;
	102
	103	/* create list store */
	104	store = gtk_list_store_new (5,
	105	G_TYPE_UINT, /* stack frame number */
	106	G_TYPE_STRING, /* function name */
	107	G_TYPE_STRING, /* source file name */
	108	G_TYPE_STRING, /* line number */
	109	G_TYPE_STRING); /* function arguments */
	110
	111	/* create the tree view */
	112	treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
	113	g_object_unref (store);
	114	gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
	115
	116	/* append columns */
	117	gtk_assert_dialog_append_text_column(treeview, "#", STACKFRAME_LEVEL_COLIDX);
	118	gtk_assert_dialog_append_text_column(treeview, "Function name", FUNCTION_NAME_COLIDX);
	119	gtk_assert_dialog_append_text_column(treeview, "Function args", FUNCTION_ARGS_COLIDX);
	120	gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
	121	gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
	122
	123	return treeview;
	124	}
	125
	126	void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
	127	{
	128	/* set busy cursor */
	129	GdkWindow *parent = GTK_WIDGET(dlg)->window;
	130	GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
	131	gdk_window_set_cursor (parent, cur);
	132	gdk_flush ();
	133
	134	(*dlg->callback)(dlg->userdata);
	135
	136	/* toggle busy cursor */
	137	gdk_window_set_cursor (parent, NULL);
	138	gdk_cursor_unref (cur);
	139	}
	140
	141
	142
	143	/* ----------------------------------------------------------------------------
	144	GtkAssertDialog signal handlers
	145	---------------------------------------------------------------------------- */
	146
	147	void gtk_assert_dialog_expander_callback (GtkWidget widget, GtkAssertDialog dlg)
	148	{
	149	/* status is not yet updated so we need to invert it to get the new one */
	150	gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
	151	gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
	152
	153	if (dlg->callback == NULL) /* was the backtrace already processed? */
	154	return;
	155
	156	gtk_assert_dialog_process_backtrace (dlg);
	157
	158	/* mark the work as done (so that next activate we won't call the callback again) */
	159	dlg->callback = NULL;
	160	}
	161
	162	void gtk_assert_dialog_save_backtrace_callback (GtkWidget widget, GtkAssertDialog dlg)
	163	{
	164	GtkWidget *dialog;
	165
	166	dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
	167	GTK_FILE_CHOOSER_ACTION_SAVE,
	168	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	169	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
	170	NULL);
	171
	172	if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
	173	{
	174	char filename, msg, *backtrace;
	175	FILE *fp;
	176
	177	filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
	178	if ( filename )
	179	{
	180	msg = gtk_assert_dialog_get_message (dlg);
	181	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	182
	183	/* open the file and write all info inside it */
	184	fp = fopen (filename, "w");
	185	if (fp)
	186	{
	187	fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
	188	fclose (fp);
	189	}
	190
	191	g_free (filename);
	192	g_free (msg);
	193	g_free (backtrace);
	194	}
	195	}
	196
	197	gtk_widget_destroy (dialog);
	198	}
	199
	200	void gtk_assert_dialog_copy_callback (GtkWidget widget, GtkAssertDialog dlg)
	201	{
	202	char msg, backtrace;
	203	GtkClipboard *clipboard;
	204	GString *str;
	205
	206	msg = gtk_assert_dialog_get_message (dlg);
	207	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	208
	209	/* combine both in a single string */
	210	str = g_string_new("");
	211	g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
	212
	213	/* copy everything in default clipboard */
	214	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
	215	gtk_clipboard_set_text (clipboard, str->str, str->len);
	216
	217	/* copy everything in primary clipboard too */
	218	clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
	219	gtk_clipboard_set_text (clipboard, str->str, str->len);
	220
	221	g_free (msg);
	222	g_free (backtrace);
	223	g_string_free (str, TRUE);
	224	}
	225
	226	void gtk_assert_dialog_continue_callback (GtkWidget widget, GtkAssertDialog dlg)
	227	{
	228	gint response =
	229	gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
	230	GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
	231
	232	gtk_dialog_response (GTK_DIALOG(dlg), response);
	233	}
	234
	235
	236	/* ----------------------------------------------------------------------------
	237	GtkAssertDialogClass implementation
	238	---------------------------------------------------------------------------- */
	239
	240	static void gtk_assert_dialog_init (GtkAssertDialog *self);
	241	static void gtk_assert_dialog_class_init (GtkAssertDialogClass *klass);
	242
	243
	244	GtkType gtk_assert_dialog_get_type (void)
	245	{
	246	static GtkType assert_dialog_type = 0;
	247
	248	if (!assert_dialog_type)
	249	{
	250	const GTypeInfo assert_dialog_info =
	251	{
	252	sizeof (GtkAssertDialogClass),
	253	NULL, /* base_init */
	254	NULL, /* base_finalize */
	255	(GClassInitFunc) gtk_assert_dialog_class_init,
	256	NULL, /* class_finalize */
	257	NULL, /* class_data */
	258	sizeof (GtkAssertDialog),
	259	16, /* n_preallocs */
	260	(GInstanceInitFunc) gtk_assert_dialog_init,
	261	NULL
	262	};
	263	assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
	264	}
	265
	266	return assert_dialog_type;
	267	}
	268
	269	void gtk_assert_dialog_class_init(GtkAssertDialogClass *klass)
	270	{
	271	/* no special initializations required */
	272	}
	273
	274	void gtk_assert_dialog_init(GtkAssertDialog *dlg)
	275	{
	276	GtkWidget *continuebtn;
	277
	278	{
	279	GtkWidget vbox, hbox, *image;
	280
	281	/* start the main vbox */
	282	gtk_widget_push_composite_child ();
	283	vbox = gtk_vbox_new (FALSE, 8);
	284	gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
	285	gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), vbox, TRUE, TRUE, 5);
	286
	287
	288	/* add the icon+message hbox */
	289	hbox = gtk_hbox_new (FALSE, 0);
	290	gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	291
	292	/* icon */
	293	image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
	294	gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
	295
	296	{
	297	GtkWidget vbox2, info;
	298
	299	/* message */
	300	vbox2 = gtk_vbox_new (FALSE, 0);
	301	gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
	302	info = gtk_label_new ("An assertion failed!");
	303	gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
	304
	305	/* assert message */
	306	dlg->message = gtk_label_new (NULL);
	307	gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
	308	gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
	309	gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
	310	gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
	311
	312	gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
	313	}
	314
	315	/* add the expander */
	316	dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
	317	gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
	318	g_signal_connect (GTK_EXPANDER(dlg->expander), "activate",
	319	G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
	320	}
	321
	322	{
	323	GtkWidget hbox, vbox, button, sw;
	324
	325	/* create expander's vbox */
	326	vbox = gtk_vbox_new (FALSE, 0);
	327	gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
	328
	329	/* add a scrollable window under the expander */
	330	sw = gtk_scrolled_window_new (NULL, NULL);
	331	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
	332	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
	333	GTK_POLICY_AUTOMATIC);
	334	gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
	335
	336	/* add the treeview to the scrollable window */
	337	dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
	338	gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
	339	gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
	340
	341	/* create button's hbox */
	342	hbox = gtk_hbutton_box_new ();
	343	gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	344	gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
	345
	346	/* add the buttons */
	347	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
	348	GTK_STOCK_SAVE, GTK_RESPONSE_NONE);
	349	g_signal_connect (button, "clicked",
	350	G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
	351
	352	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
	353	GTK_STOCK_COPY, GTK_RESPONSE_NONE);
	354	g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
	355	}
	356
	357	/* add the checkbutton */
	358	dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
	359	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
	360	gtk_box_pack_end (GTK_BOX(GTK_DIALOG(dlg)->action_area), dlg->shownexttime, FALSE, TRUE, 8);
	361
	362	/* add the stop button */
	363	gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
	364
	365	/* add the continue button */
	366	continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
	367	gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
	368	g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
	369
	370	/* complete creation */
	371	dlg->callback = NULL;
	372	dlg->userdata = NULL;
	373
	374	/* the resizeable property of this window is modified by the expander:
	375	when it's collapsed, the window must be non-resizeable! */
	376	gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
	377	gtk_widget_pop_composite_child ();
	378	gtk_widget_show_all (GTK_WIDGET(dlg));
	379	}
	380
	381
	382
	383	/* ----------------------------------------------------------------------------
	384	GtkAssertDialog public API
	385	---------------------------------------------------------------------------- */
	386
	387	gchar gtk_assert_dialog_get_message (GtkAssertDialog dlg)
	388	{
	389	/* NOTES:
	390	1) returned string must g_free()d !
	391	2) Pango markup is automatically stripped off by GTK
	392	*/
	393	return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
	394	}
	395
	396	gchar gtk_assert_dialog_get_backtrace (GtkAssertDialog dlg)
	397	{
	398	gchar function, arguments, sourcefile, linenum;
	399	guint count;
	400
	401	GtkTreeModel *model;
	402	GtkTreeIter iter;
	403	GString *string;
	404
	405	g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
	406	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	407	string = g_string_new("");
	408
	409	/* iterate over the list */
	410	if (!gtk_tree_model_get_iter_first (model, &iter))
	411	return NULL;
	412
	413	do
	414	{
	415	/* append this stack frame's info to the string */
	416	gtk_tree_model_get (model, &iter,
	417	STACKFRAME_LEVEL_COLIDX, &count,
	418	FUNCTION_NAME_COLIDX, &function,
	419	FUNCTION_ARGS_COLIDX, &arguments,
	420	SOURCE_FILE_COLIDX, &sourcefile,
	421	LINE_NUMBER_COLIDX, &linenum,
	422	-1);
	423
	424	g_string_append_printf (string, "[%u] %s(%s)",
	425	count, function, arguments);
	426	if (sourcefile[0] != '\0')
	427	g_string_append_printf (string, " %s", sourcefile);
	428	if (linenum[0] != '\0')
	429	g_string_append_printf (string, ":%s", linenum);
	430	g_string_append (string, "\n");
	431
	432	g_free (function);
	433	g_free (arguments);
	434	g_free (sourcefile);
	435	g_free (linenum);
	436
	437	} while (gtk_tree_model_iter_next (model, &iter));
	438
	439	/* returned string must g_free()d */
	440	return g_string_free (string, FALSE);
	441	}
	442
	443	void gtk_assert_dialog_set_message(GtkAssertDialog dlg, const gchar msg)
	444	{
	445	/* prepend and append the <b> tag
	446	NOTE: g_markup_printf_escaped() is not used because it's available
	447	only for glib >= 2.4 */
	448	gchar *escaped_msg = g_markup_escape_text (msg, -1);
	449	gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
	450
	451	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	452	gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
	453
	454	g_free (decorated_msg);
	455	g_free (escaped_msg);
	456	}
	457
	458	void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
	459	GtkAssertDialogStackFrameCallback callback,
	460	void *userdata)
	461	{
	462	assertdlg->callback = callback;
	463	assertdlg->userdata = userdata;
	464	}
	465
	466	void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
	467	const gchar *function,
	468	const gchar *arguments,
	469	const gchar *sourcefile,
	470	guint line_number)
	471	{
	472	GtkTreeModel *model;
	473	GtkTreeIter iter;
	474	GString *linenum;
	475	gint count;
	476
	477	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	478	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	479
	480	/* how many items are in the list up to now ? */
	481	count = gtk_tree_model_iter_n_children (model, NULL);
	482
	483	linenum = g_string_new("");
	484	if ( line_number != 0 )
	485	g_string_printf (linenum, "%u", line_number);
	486
	487	/* add data to the list store */
	488	gtk_list_store_append (GTK_LIST_STORE(model), &iter);
	489	gtk_list_store_set (GTK_LIST_STORE(model), &iter,
	490	STACKFRAME_LEVEL_COLIDX, count+1, /* start from 1 and not from 0 */
	491	FUNCTION_NAME_COLIDX, function,
	492	FUNCTION_ARGS_COLIDX, arguments,
	493	SOURCE_FILE_COLIDX, sourcefile,
	494	LINE_NUMBER_COLIDX, linenum->str,
	495	-1);
	496
	497	g_string_free (linenum, TRUE);
	498	}
	499
	500	GtkWidget *gtk_assert_dialog_new(void)
	501	{
	502	GtkAssertDialog *dialog = g_object_new (GTK_TYPE_ASSERT_DIALOG, NULL);
	503
	504	return GTK_WIDGET (dialog);
	505	}
	506
	507	#ifdef __cplusplus
	508	}
	509	#endif /* __cplusplus */