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/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_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)
{
    /* 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 (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_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, *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)
{
    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/platform.h"
	11	#include <gtk/gtk.h>
	12	#include "wx/gtk/assertdlg_gtk.h"
	13	#include "wx/gtk/private/gtk2-compat.h"
	14
	15	#include <stdio.h>
	16
	17	/* ----------------------------------------------------------------------------
	18	Constants
	19	---------------------------------------------------------------------------- */
	20
	21	/*
	22	NB: when changing order of the columns also update the gtk_list_store_new() call
	23	in gtk_assert_dialog_create_backtrace_list_model() function
	24	*/
	25	#define STACKFRAME_LEVEL_COLIDX 0
	26	#define FUNCTION_NAME_COLIDX 1
	27	#define SOURCE_FILE_COLIDX 2
	28	#define LINE_NUMBER_COLIDX 3
	29	#define FUNCTION_ARGS_COLIDX 4
	30
	31
	32
	33
	34	/* ----------------------------------------------------------------------------
	35	GtkAssertDialog helpers
	36	---------------------------------------------------------------------------- */
	37
	38	GtkWidget gtk_assert_dialog_add_button_to (GtkBox box, const gchar *label,
	39	const gchar *stock)
	40	{
	41	/* create the button */
	42	GtkWidget *button = gtk_button_new_with_mnemonic (label);
	43	gtk_widget_set_can_default(button, true);
	44
	45	/* add a stock icon inside it */
	46	GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
	47	#if GTK_CHECK_VERSION(2,6,0)
	48	gtk_button_set_image (GTK_BUTTON (button), image);
	49	#endif
	50
	51	/* add to the given (container) widget */
	52	if (box)
	53	gtk_box_pack_end (box, button, FALSE, TRUE, 8);
	54
	55	return button;
	56	}
	57
	58	GtkWidget gtk_assert_dialog_add_button (GtkAssertDialog dlg, const gchar *label,
	59	const gchar *stock, gint response_id)
	60	{
	61	/* create the button */
	62	GtkWidget* button = gtk_assert_dialog_add_button_to(NULL, label, stock);
	63
	64	/* add the button to the dialog's action area */
	65	gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
	66
	67	return button;
	68	}
	69
	70	void gtk_assert_dialog_append_text_column (GtkWidget treeview, const gchar name, int index)
	71	{
	72	GtkCellRenderer *renderer;
	73	GtkTreeViewColumn *column;
	74
	75	renderer = gtk_cell_renderer_text_new ();
	76	column = gtk_tree_view_column_new_with_attributes (name, renderer,
	77	"text", index, NULL);
	78	gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
	79	gtk_tree_view_column_set_resizable (column, TRUE);
	80	gtk_tree_view_column_set_reorderable (column, TRUE);
	81	}
	82
	83	GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
	84	{
	85	GtkListStore *store;
	86	GtkWidget *treeview;
	87
	88	/* create list store */
	89	store = gtk_list_store_new (5,
	90	G_TYPE_UINT, /* stack frame number */
	91	G_TYPE_STRING, /* function name */
	92	G_TYPE_STRING, /* source file name */
	93	G_TYPE_STRING, /* line number */
	94	G_TYPE_STRING); /* function arguments */
	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 name", FUNCTION_NAME_COLIDX);
	104	gtk_assert_dialog_append_text_column(treeview, "Function args", FUNCTION_ARGS_COLIDX);
	105	gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
	106	gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
	107
	108	return treeview;
	109	}
	110
	111	void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
	112	{
	113	/* set busy cursor */
	114	GdkWindow *parent = gtk_widget_get_window(GTK_WIDGET(dlg));
	115	GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
	116	gdk_window_set_cursor (parent, cur);
	117	gdk_flush ();
	118
	119	(*dlg->callback)(dlg->userdata);
	120
	121	/* toggle busy cursor */
	122	gdk_window_set_cursor (parent, NULL);
	123	gdk_cursor_unref (cur);
	124	}
	125
	126
	127
	128	extern "C" {
	129	/* ----------------------------------------------------------------------------
	130	GtkAssertDialog signal handlers
	131	---------------------------------------------------------------------------- */
	132
	133	static void gtk_assert_dialog_expander_callback(GtkWidget, GtkAssertDialog dlg)
	134	{
	135	/* status is not yet updated so we need to invert it to get the new one */
	136	gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
	137	gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
	138
	139	if (dlg->callback == NULL) /* was the backtrace already processed? */
	140	return;
	141
	142	gtk_assert_dialog_process_backtrace (dlg);
	143
	144	/* mark the work as done (so that next activate we won't call the callback again) */
	145	dlg->callback = NULL;
	146	}
	147
	148	static void gtk_assert_dialog_save_backtrace_callback(GtkWidget, GtkAssertDialog dlg)
	149	{
	150	GtkWidget *dialog;
	151
	152	dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
	153	GTK_FILE_CHOOSER_ACTION_SAVE,
	154	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	155	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
	156	NULL);
	157
	158	if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
	159	{
	160	char filename, msg, *backtrace;
	161	FILE *fp;
	162
	163	filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
	164	if ( filename )
	165	{
	166	msg = gtk_assert_dialog_get_message (dlg);
	167	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	168
	169	/* open the file and write all info inside it */
	170	fp = fopen (filename, "w");
	171	if (fp)
	172	{
	173	fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
	174	fclose (fp);
	175	}
	176
	177	g_free (filename);
	178	g_free (msg);
	179	g_free (backtrace);
	180	}
	181	}
	182
	183	gtk_widget_destroy (dialog);
	184	}
	185
	186	static void gtk_assert_dialog_copy_callback(GtkWidget, GtkAssertDialog dlg)
	187	{
	188	char msg, backtrace;
	189	GtkClipboard *clipboard;
	190	GString *str;
	191
	192	msg = gtk_assert_dialog_get_message (dlg);
	193	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	194
	195	/* combine both in a single string */
	196	str = g_string_new("");
	197	g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
	198
	199	/* copy everything in default clipboard */
	200	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
	201	gtk_clipboard_set_text (clipboard, str->str, str->len);
	202
	203	/* copy everything in primary clipboard too */
	204	clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
	205	gtk_clipboard_set_text (clipboard, str->str, str->len);
	206
	207	g_free (msg);
	208	g_free (backtrace);
	209	g_string_free (str, TRUE);
	210	}
	211
	212	static void gtk_assert_dialog_continue_callback(GtkWidget, GtkAssertDialog dlg)
	213	{
	214	gint response =
	215	gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
	216	GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
	217
	218	gtk_dialog_response (GTK_DIALOG(dlg), response);
	219	}
	220	} // extern "C"
	221
	222	/* ----------------------------------------------------------------------------
	223	GtkAssertDialogClass implementation
	224	---------------------------------------------------------------------------- */
	225
	226	static void gtk_assert_dialog_init (GtkAssertDialog *self);
	227	static void gtk_assert_dialog_class_init (GtkAssertDialogClass *klass);
	228
	229
	230	GType gtk_assert_dialog_get_type()
	231	{
	232	static GType assert_dialog_type;
	233
	234	if (!assert_dialog_type)
	235	{
	236	const GTypeInfo assert_dialog_info =
	237	{
	238	sizeof (GtkAssertDialogClass),
	239	NULL, /* base_init */
	240	NULL, /* base_finalize */
	241	(GClassInitFunc) gtk_assert_dialog_class_init,
	242	NULL, /* class_finalize */
	243	NULL, /* class_data */
	244	sizeof (GtkAssertDialog),
	245	16, /* n_preallocs */
	246	(GInstanceInitFunc) gtk_assert_dialog_init,
	247	NULL
	248	};
	249	assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
	250	}
	251
	252	return assert_dialog_type;
	253	}
	254
	255	static void gtk_assert_dialog_class_init(GtkAssertDialogClass*)
	256	{
	257	/* no special initializations required */
	258	}
	259
	260	static void gtk_assert_dialog_init(GtkAssertDialog* dlg)
	261	{
	262	GtkWidget *continuebtn;
	263
	264	{
	265	GtkWidget vbox, hbox, *image;
	266
	267	/* start the main vbox */
	268	gtk_widget_push_composite_child ();
	269	vbox = gtk_vbox_new (FALSE, 8);
	270	gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
	271	gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dlg))), vbox, true, true, 5);
	272
	273
	274	/* add the icon+message hbox */
	275	hbox = gtk_hbox_new (FALSE, 0);
	276	gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	277
	278	/* icon */
	279	image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
	280	gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
	281
	282	{
	283	GtkWidget vbox2, info;
	284
	285	/* message */
	286	vbox2 = gtk_vbox_new (FALSE, 0);
	287	gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
	288	info = gtk_label_new ("An assertion failed!");
	289	gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
	290
	291	/* assert message */
	292	dlg->message = gtk_label_new (NULL);
	293	gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
	294	gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
	295	gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
	296	gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
	297
	298	gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
	299	}
	300
	301	/* add the expander */
	302	dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
	303	gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
	304	g_signal_connect (GTK_EXPANDER(dlg->expander), "activate",
	305	G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
	306	}
	307
	308	{
	309	GtkWidget hbox, vbox, button, sw;
	310
	311	/* create expander's vbox */
	312	vbox = gtk_vbox_new (FALSE, 0);
	313	gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
	314
	315	/* add a scrollable window under the expander */
	316	sw = gtk_scrolled_window_new (NULL, NULL);
	317	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
	318	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
	319	GTK_POLICY_AUTOMATIC);
	320	gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
	321
	322	/* add the treeview to the scrollable window */
	323	dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
	324	gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
	325	gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
	326
	327	/* create button's hbox */
	328	hbox = gtk_hbutton_box_new ();
	329	gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	330	gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
	331
	332	/* add the buttons */
	333	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
	334	GTK_STOCK_SAVE);
	335	g_signal_connect (button, "clicked",
	336	G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
	337
	338	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
	339	GTK_STOCK_COPY);
	340	g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
	341	}
	342
	343	/* add the checkbutton */
	344	dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
	345	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
	346	gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dlg))), dlg->shownexttime, false, true, 8);
	347
	348	/* add the stop button */
	349	gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
	350
	351	/* add the continue button */
	352	continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
	353	gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
	354	g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
	355
	356	/* complete creation */
	357	dlg->callback = NULL;
	358	dlg->userdata = NULL;
	359
	360	/* the resizable property of this window is modified by the expander:
	361	when it's collapsed, the window must be non-resizable! */
	362	gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
	363	gtk_widget_pop_composite_child ();
	364	gtk_widget_show_all (GTK_WIDGET(dlg));
	365	}
	366
	367
	368
	369	/* ----------------------------------------------------------------------------
	370	GtkAssertDialog public API
	371	---------------------------------------------------------------------------- */
	372
	373	gchar gtk_assert_dialog_get_message (GtkAssertDialog dlg)
	374	{
	375	/* NOTES:
	376	1) returned string must g_free()d !
	377	2) Pango markup is automatically stripped off by GTK
	378	*/
	379	return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
	380	}
	381
	382	gchar gtk_assert_dialog_get_backtrace (GtkAssertDialog dlg)
	383	{
	384	gchar function, arguments, sourcefile, linenum;
	385	guint count;
	386
	387	GtkTreeModel *model;
	388	GtkTreeIter iter;
	389	GString *string;
	390
	391	g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
	392	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	393	string = g_string_new("");
	394
	395	/* iterate over the list */
	396	if (!gtk_tree_model_get_iter_first (model, &iter))
	397	return NULL;
	398
	399	do
	400	{
	401	/* append this stack frame's info to the string */
	402	gtk_tree_model_get (model, &iter,
	403	STACKFRAME_LEVEL_COLIDX, &count,
	404	FUNCTION_NAME_COLIDX, &function,
	405	FUNCTION_ARGS_COLIDX, &arguments,
	406	SOURCE_FILE_COLIDX, &sourcefile,
	407	LINE_NUMBER_COLIDX, &linenum,
	408	-1);
	409
	410	g_string_append_printf (string, "[%u] %s(%s)",
	411	count, function, arguments);
	412	if (sourcefile[0] != '\0')
	413	g_string_append_printf (string, " %s", sourcefile);
	414	if (linenum[0] != '\0')
	415	g_string_append_printf (string, ":%s", linenum);
	416	g_string_append (string, "\n");
	417
	418	g_free (function);
	419	g_free (arguments);
	420	g_free (sourcefile);
	421	g_free (linenum);
	422
	423	} while (gtk_tree_model_iter_next (model, &iter));
	424
	425	/* returned string must g_free()d */
	426	return g_string_free (string, FALSE);
	427	}
	428
	429	void gtk_assert_dialog_set_message(GtkAssertDialog dlg, const gchar msg)
	430	{
	431	/* prepend and append the <b> tag
	432	NOTE: g_markup_printf_escaped() is not used because it's available
	433	only for glib >= 2.4 */
	434	gchar *escaped_msg = g_markup_escape_text (msg, -1);
	435	gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
	436
	437	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	438	gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
	439
	440	g_free (decorated_msg);
	441	g_free (escaped_msg);
	442	}
	443
	444	void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
	445	GtkAssertDialogStackFrameCallback callback,
	446	void *userdata)
	447	{
	448	assertdlg->callback = callback;
	449	assertdlg->userdata = userdata;
	450	}
	451
	452	void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
	453	const gchar *function,
	454	const gchar *arguments,
	455	const gchar *sourcefile,
	456	guint line_number)
	457	{
	458	GtkTreeModel *model;
	459	GtkTreeIter iter;
	460	GString *linenum;
	461	gint count;
	462
	463	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	464	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	465
	466	/* how many items are in the list up to now ? */
	467	count = gtk_tree_model_iter_n_children (model, NULL);
	468
	469	linenum = g_string_new("");
	470	if ( line_number != 0 )
	471	g_string_printf (linenum, "%u", line_number);
	472
	473	/* add data to the list store */
	474	gtk_list_store_append (GTK_LIST_STORE(model), &iter);
	475	gtk_list_store_set (GTK_LIST_STORE(model), &iter,
	476	STACKFRAME_LEVEL_COLIDX, count+1, /* start from 1 and not from 0 */
	477	FUNCTION_NAME_COLIDX, function,
	478	FUNCTION_ARGS_COLIDX, arguments,
	479	SOURCE_FILE_COLIDX, sourcefile,
	480	LINE_NUMBER_COLIDX, linenum->str,
	481	-1);
	482
	483	g_string_free (linenum, TRUE);
	484	}
	485
	486	GtkWidget *gtk_assert_dialog_new(void)
	487	{
	488	void* dialog = g_object_new(GTK_TYPE_ASSERT_DIALOG, NULL);
	489
	490	return GTK_WIDGET (dialog);
	491	}