src/gtk/assertdlg_gtk.cpp

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

#include "wx/wxprec.h"

#include "wx/platform.h"
#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
 ---------------------------------------------------------------------------- */

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);
#if GTK_CHECK_VERSION(2,6,0)
    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);

    /* 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 (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;
}

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);
    gdk_cursor_unref (cur);
}


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);
}

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
 ---------------------------------------------------------------------------- */

static void     gtk_assert_dialog_init              (GtkAssertDialog        *self);
static void     gtk_assert_dialog_class_init        (GtkAssertDialogClass *klass);


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 */
            (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;
}

static void gtk_assert_dialog_class_init(GtkAssertDialogClass*)
{
    /* no special initializations required */
}

static 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_get_content_area(GTK_DIALOG(dlg))), 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);
        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);
    }

    /* 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)));
}

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);
}

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 *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);
}

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

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