[wxWidgets.git] / 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_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
23b22b10	1	/* ///////////////////////////////////////////////////////////////////////////
a481bbc3	2	// Name: src/gtk/assertdlg_gtk.cpp
23b22b10 PC	3	// Purpose: GtkAssertDialog
	4	// Author: Francesco Montorsi
	5	// Id: $Id$
	6	// Copyright: (c) 2006 Francesco Montorsi
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////// */
	9
23b22b10	10	#include "wx/platform.h"
23b22b10	11	#include <gtk/gtk.h>
a481bbc3	12	#include "wx/gtk/assertdlg_gtk.h"
6c875e80	13	#include "wx/gtk/private/gtk2-compat.h"
23b22b10	14
bedba0d1 VZ	15	#include <stdio.h>
bedba0d1 VZ	16
23b22b10 PC	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
8d241dea	26	#define FUNCTION_PROTOTYPE_COLIDX 1
23b22b10 PC	27	#define SOURCE_FILE_COLIDX 2
23b22b10 PC	28	#define LINE_NUMBER_COLIDX 3
23b22b10 PC	29
	30
	31
	32
	33	/* ----------------------------------------------------------------------------
	34	GtkAssertDialog helpers
	35	---------------------------------------------------------------------------- */
	36
	37	GtkWidget gtk_assert_dialog_add_button_to (GtkBox box, const gchar *label,
a481bbc3	38	const gchar *stock)
23b22b10 PC	39	{
	40	/* create the button */
	41	GtkWidget *button = gtk_button_new_with_mnemonic (label);
a481bbc3	42	gtk_widget_set_can_default(button, true);
23b22b10	43
a481bbc3 PC	44	/* add a stock icon inside it */
a481bbc3 PC	45	GtkWidget *image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_BUTTON);
b6dd4afd	46	#if GTK_CHECK_VERSION(2,6,0)
a481bbc3	47	gtk_button_set_image (GTK_BUTTON (button), image);
b6dd4afd	48	#endif
23b22b10 PC	49
	50	/* add to the given (container) widget */
	51	if (box)
	52	gtk_box_pack_end (box, button, FALSE, TRUE, 8);
	53
	54	return button;
	55	}
	56
	57	GtkWidget gtk_assert_dialog_add_button (GtkAssertDialog dlg, const gchar *label,
	58	const gchar *stock, gint response_id)
	59	{
	60	/* create the button */
a481bbc3	61	GtkWidget* button = gtk_assert_dialog_add_button_to(NULL, label, stock);
23b22b10 PC	62
	63	/* add the button to the dialog's action area */
	64	gtk_dialog_add_action_widget (GTK_DIALOG (dlg), button, response_id);
	65
	66	return button;
	67	}
	68
	69	void gtk_assert_dialog_append_text_column (GtkWidget treeview, const gchar name, int index)
	70	{
	71	GtkCellRenderer *renderer;
	72	GtkTreeViewColumn *column;
	73
	74	renderer = gtk_cell_renderer_text_new ();
	75	column = gtk_tree_view_column_new_with_attributes (name, renderer,
	76	"text", index, NULL);
	77	gtk_tree_view_insert_column (GTK_TREE_VIEW (treeview), column, index);
	78	gtk_tree_view_column_set_resizable (column, TRUE);
	79	gtk_tree_view_column_set_reorderable (column, TRUE);
	80	}
	81
	82	GtkWidget *gtk_assert_dialog_create_backtrace_list_model ()
	83	{
	84	GtkListStore *store;
	85	GtkWidget *treeview;
	86
	87	/* create list store */
8d241dea	88	store = gtk_list_store_new (4,
23b22b10	89	G_TYPE_UINT, /* stack frame number */
8d241dea	90	G_TYPE_STRING, /* function prototype */
23b22b10	91	G_TYPE_STRING, /* source file name */
8d241dea	92	G_TYPE_STRING); /* line number */
23b22b10 PC	93
	94	/* create the tree view */
	95	treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
	96	g_object_unref (store);
	97	gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
	98
	99	/* append columns */
	100	gtk_assert_dialog_append_text_column(treeview, "#", STACKFRAME_LEVEL_COLIDX);
8d241dea	101	gtk_assert_dialog_append_text_column(treeview, "Function Prototype", FUNCTION_PROTOTYPE_COLIDX);
23b22b10 PC	102	gtk_assert_dialog_append_text_column(treeview, "Source file", SOURCE_FILE_COLIDX);
	103	gtk_assert_dialog_append_text_column(treeview, "Line #", LINE_NUMBER_COLIDX);
	104
	105	return treeview;
	106	}
	107
	108	void gtk_assert_dialog_process_backtrace (GtkAssertDialog *dlg)
	109	{
	110	/* set busy cursor */
a481bbc3	111	GdkWindow *parent = gtk_widget_get_window(GTK_WIDGET(dlg));
23b22b10 PC	112	GdkCursor *cur = gdk_cursor_new (GDK_WATCH);
	113	gdk_window_set_cursor (parent, cur);
	114	gdk_flush ();
	115
	116	(*dlg->callback)(dlg->userdata);
	117
	118	/* toggle busy cursor */
	119	gdk_window_set_cursor (parent, NULL);
	120	gdk_cursor_unref (cur);
	121	}
	122
	123
	124
a481bbc3	125	extern "C" {
23b22b10 PC	126	/* ----------------------------------------------------------------------------
	127	GtkAssertDialog signal handlers
	128	---------------------------------------------------------------------------- */
	129
a481bbc3	130	static void gtk_assert_dialog_expander_callback(GtkWidget, GtkAssertDialog dlg)
23b22b10 PC	131	{
	132	/* status is not yet updated so we need to invert it to get the new one */
	133	gboolean expanded = !gtk_expander_get_expanded (GTK_EXPANDER(dlg->expander));
	134	gtk_window_set_resizable (GTK_WINDOW (dlg), expanded);
	135
	136	if (dlg->callback == NULL) /* was the backtrace already processed? */
	137	return;
	138
	139	gtk_assert_dialog_process_backtrace (dlg);
	140
	141	/* mark the work as done (so that next activate we won't call the callback again) */
	142	dlg->callback = NULL;
	143	}
	144
a481bbc3	145	static void gtk_assert_dialog_save_backtrace_callback(GtkWidget, GtkAssertDialog dlg)
23b22b10 PC	146	{
	147	GtkWidget *dialog;
	148
	149	dialog = gtk_file_chooser_dialog_new ("Save assert info to file", GTK_WINDOW(dlg),
	150	GTK_FILE_CHOOSER_ACTION_SAVE,
	151	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	152	GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
	153	NULL);
	154
	155	if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
	156	{
	157	char filename, msg, *backtrace;
	158	FILE *fp;
	159
	160	filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
	161	if ( filename )
	162	{
	163	msg = gtk_assert_dialog_get_message (dlg);
	164	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	165
	166	/* open the file and write all info inside it */
	167	fp = fopen (filename, "w");
	168	if (fp)
	169	{
	170	fprintf (fp, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s", msg, backtrace);
	171	fclose (fp);
	172	}
	173
	174	g_free (filename);
	175	g_free (msg);
	176	g_free (backtrace);
	177	}
	178	}
	179
	180	gtk_widget_destroy (dialog);
	181	}
	182
a481bbc3	183	static void gtk_assert_dialog_copy_callback(GtkWidget, GtkAssertDialog dlg)
23b22b10 PC	184	{
	185	char msg, backtrace;
	186	GtkClipboard *clipboard;
	187	GString *str;
	188
	189	msg = gtk_assert_dialog_get_message (dlg);
	190	backtrace = gtk_assert_dialog_get_backtrace (dlg);
	191
	192	/* combine both in a single string */
	193	str = g_string_new("");
	194	g_string_printf (str, "ASSERT INFO:\n%s\n\nBACKTRACE:\n%s\n\n", msg, backtrace);
	195
	196	/* copy everything in default clipboard */
	197	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
	198	gtk_clipboard_set_text (clipboard, str->str, str->len);
	199
	200	/* copy everything in primary clipboard too */
	201	clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
	202	gtk_clipboard_set_text (clipboard, str->str, str->len);
	203
	204	g_free (msg);
	205	g_free (backtrace);
	206	g_string_free (str, TRUE);
	207	}
	208
a481bbc3	209	static void gtk_assert_dialog_continue_callback(GtkWidget, GtkAssertDialog dlg)
23b22b10 PC	210	{
	211	gint response =
	212	gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dlg->shownexttime)) ?
	213	GTK_ASSERT_DIALOG_CONTINUE : GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING;
	214
	215	gtk_dialog_response (GTK_DIALOG(dlg), response);
	216	}
a481bbc3	217	} // extern "C"
23b22b10 PC	218
	219	/* ----------------------------------------------------------------------------
	220	GtkAssertDialogClass implementation
	221	---------------------------------------------------------------------------- */
	222
	223	static void gtk_assert_dialog_init (GtkAssertDialog *self);
	224	static void gtk_assert_dialog_class_init (GtkAssertDialogClass *klass);
	225
	226
a481bbc3	227	GType gtk_assert_dialog_get_type()
23b22b10	228	{
a481bbc3	229	static GType assert_dialog_type;
23b22b10 PC	230
	231	if (!assert_dialog_type)
	232	{
	233	const GTypeInfo assert_dialog_info =
	234	{
	235	sizeof (GtkAssertDialogClass),
	236	NULL, /* base_init */
	237	NULL, /* base_finalize */
	238	(GClassInitFunc) gtk_assert_dialog_class_init,
	239	NULL, /* class_finalize */
	240	NULL, /* class_data */
	241	sizeof (GtkAssertDialog),
	242	16, /* n_preallocs */
	243	(GInstanceInitFunc) gtk_assert_dialog_init,
	244	NULL
	245	};
	246	assert_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkAssertDialog", &assert_dialog_info, (GTypeFlags)0);
	247	}
	248
	249	return assert_dialog_type;
	250	}
	251
a481bbc3	252	static void gtk_assert_dialog_class_init(GtkAssertDialogClass*)
23b22b10 PC	253	{
	254	/* no special initializations required */
	255	}
	256
a481bbc3	257	static void gtk_assert_dialog_init(GtkAssertDialog* dlg)
23b22b10 PC	258	{
	259	GtkWidget *continuebtn;
	260
	261	{
	262	GtkWidget vbox, hbox, *image;
	263
	264	/* start the main vbox */
	265	gtk_widget_push_composite_child ();
	266	vbox = gtk_vbox_new (FALSE, 8);
	267	gtk_container_set_border_width (GTK_CONTAINER(vbox), 8);
a481bbc3	268	gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dlg))), vbox, true, true, 5);
23b22b10 PC	269
	270
	271	/* add the icon+message hbox */
	272	hbox = gtk_hbox_new (FALSE, 0);
	273	gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	274
	275	/* icon */
	276	image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR, GTK_ICON_SIZE_DIALOG);
	277	gtk_box_pack_start (GTK_BOX(hbox), image, FALSE, FALSE, 12);
	278
	279	{
	280	GtkWidget vbox2, info;
	281
	282	/* message */
	283	vbox2 = gtk_vbox_new (FALSE, 0);
	284	gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
	285	info = gtk_label_new ("An assertion failed!");
	286	gtk_box_pack_start (GTK_BOX(vbox2), info, TRUE, TRUE, 8);
	287
	288	/* assert message */
	289	dlg->message = gtk_label_new (NULL);
	290	gtk_label_set_selectable (GTK_LABEL (dlg->message), TRUE);
	291	gtk_label_set_line_wrap (GTK_LABEL (dlg->message), TRUE);
	292	gtk_label_set_justify (GTK_LABEL (dlg->message), GTK_JUSTIFY_LEFT);
	293	gtk_widget_set_size_request (GTK_WIDGET(dlg->message), 450, -1);
	294
	295	gtk_box_pack_end (GTK_BOX(vbox2), GTK_WIDGET(dlg->message), TRUE, TRUE, 8);
	296	}
	297
	298	/* add the expander */
	299	dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
	300	gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
	301	g_signal_connect (GTK_EXPANDER(dlg->expander), "activate",
	302	G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
	303	}
	304
	305	{
	306	GtkWidget hbox, vbox, button, sw;
	307
	308	/* create expander's vbox */
	309	vbox = gtk_vbox_new (FALSE, 0);
	310	gtk_container_add (GTK_CONTAINER (dlg->expander), vbox);
	311
	312	/* add a scrollable window under the expander */
	313	sw = gtk_scrolled_window_new (NULL, NULL);
	314	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_ETCHED_IN);
	315	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC,
	316	GTK_POLICY_AUTOMATIC);
	317	gtk_box_pack_start (GTK_BOX(vbox), sw, TRUE, TRUE, 8);
	318
	319	/* add the treeview to the scrollable window */
	320	dlg->treeview = gtk_assert_dialog_create_backtrace_list_model ();
	321	gtk_widget_set_size_request (GTK_WIDGET(dlg->treeview), -1, 180);
	322	gtk_container_add (GTK_CONTAINER (sw), dlg->treeview);
	323
	324	/* create button's hbox */
	325	hbox = gtk_hbutton_box_new ();
	326	gtk_box_pack_end (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
	327	gtk_button_box_set_layout (GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
	328
	329	/* add the buttons */
	330	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Save to _file",
a481bbc3	331	GTK_STOCK_SAVE);
23b22b10 PC	332	g_signal_connect (button, "clicked",
	333	G_CALLBACK(gtk_assert_dialog_save_backtrace_callback), dlg);
	334
	335	button = gtk_assert_dialog_add_button_to (GTK_BOX(hbox), "Copy to clip_board",
a481bbc3	336	GTK_STOCK_COPY);
23b22b10 PC	337	g_signal_connect (button, "clicked", G_CALLBACK(gtk_assert_dialog_copy_callback), dlg);
	338	}
	339
	340	/* add the checkbutton */
	341	dlg->shownexttime = gtk_check_button_new_with_mnemonic("Show this _dialog the next time");
	342	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(dlg->shownexttime), TRUE);
a481bbc3	343	gtk_box_pack_end(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(dlg))), dlg->shownexttime, false, true, 8);
23b22b10 PC	344
	345	/* add the stop button */
	346	gtk_assert_dialog_add_button (dlg, "_Stop", GTK_STOCK_QUIT, GTK_ASSERT_DIALOG_STOP);
	347
	348	/* add the continue button */
	349	continuebtn = gtk_assert_dialog_add_button (dlg, "_Continue", GTK_STOCK_YES, GTK_ASSERT_DIALOG_CONTINUE);
	350	gtk_dialog_set_default_response (GTK_DIALOG (dlg), GTK_ASSERT_DIALOG_CONTINUE);
	351	g_signal_connect (continuebtn, "clicked", G_CALLBACK(gtk_assert_dialog_continue_callback), dlg);
	352
	353	/* complete creation */
	354	dlg->callback = NULL;
	355	dlg->userdata = NULL;
	356
d13b34d3 DS	357	/* the resizable property of this window is modified by the expander:
d13b34d3 DS	358	when it's collapsed, the window must be non-resizable! */
23b22b10 PC	359	gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
	360	gtk_widget_pop_composite_child ();
	361	gtk_widget_show_all (GTK_WIDGET(dlg));
	362	}
	363
	364
	365
	366	/* ----------------------------------------------------------------------------
	367	GtkAssertDialog public API
	368	---------------------------------------------------------------------------- */
	369
	370	gchar gtk_assert_dialog_get_message (GtkAssertDialog dlg)
	371	{
	372	/* NOTES:
	373	1) returned string must g_free()d !
	374	2) Pango markup is automatically stripped off by GTK
	375	*/
	376	return g_strdup (gtk_label_get_text (GTK_LABEL(dlg->message)));
	377	}
	378
	379	gchar gtk_assert_dialog_get_backtrace (GtkAssertDialog dlg)
	380	{
8d241dea	381	gchar function, sourcefile, *linenum;
23b22b10 PC	382	guint count;
	383
	384	GtkTreeModel *model;
	385	GtkTreeIter iter;
	386	GString *string;
	387
	388	g_return_val_if_fail (GTK_IS_ASSERT_DIALOG (dlg), NULL);
	389	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	390	string = g_string_new("");
	391
	392	/* iterate over the list */
	393	if (!gtk_tree_model_get_iter_first (model, &iter))
	394	return NULL;
	395
	396	do
	397	{
	398	/* append this stack frame's info to the string */
8d241dea	399	gtk_tree_model_get(model, &iter,
23b22b10	400	STACKFRAME_LEVEL_COLIDX, &count,
8d241dea	401	FUNCTION_PROTOTYPE_COLIDX, &function,
23b22b10 PC	402	SOURCE_FILE_COLIDX, &sourcefile,
	403	LINE_NUMBER_COLIDX, &linenum,
	404	-1);
	405
8d241dea VZ	406	g_string_append_printf(string, "[%u] %s",
8d241dea VZ	407	count, function);
23b22b10 PC	408	if (sourcefile[0] != '\0')
	409	g_string_append_printf (string, " %s", sourcefile);
	410	if (linenum[0] != '\0')
	411	g_string_append_printf (string, ":%s", linenum);
	412	g_string_append (string, "\n");
	413
	414	g_free (function);
23b22b10 PC	415	g_free (sourcefile);
	416	g_free (linenum);
	417
	418	} while (gtk_tree_model_iter_next (model, &iter));
	419
	420	/* returned string must g_free()d */
	421	return g_string_free (string, FALSE);
	422	}
	423
	424	void gtk_assert_dialog_set_message(GtkAssertDialog dlg, const gchar msg)
	425	{
	426	/* prepend and append the <b> tag
	427	NOTE: g_markup_printf_escaped() is not used because it's available
	428	only for glib >= 2.4 */
	429	gchar *escaped_msg = g_markup_escape_text (msg, -1);
	430	gchar *decorated_msg = g_strdup_printf ("<b>%s</b>", escaped_msg);
	431
	432	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	433	gtk_label_set_markup (GTK_LABEL(dlg->message), decorated_msg);
	434
	435	g_free (decorated_msg);
	436	g_free (escaped_msg);
	437	}
	438
	439	void gtk_assert_dialog_set_backtrace_callback(GtkAssertDialog *assertdlg,
	440	GtkAssertDialogStackFrameCallback callback,
	441	void *userdata)
	442	{
	443	assertdlg->callback = callback;
	444	assertdlg->userdata = userdata;
	445	}
	446
	447	void gtk_assert_dialog_append_stack_frame(GtkAssertDialog *dlg,
	448	const gchar *function,
23b22b10 PC	449	const gchar *sourcefile,
	450	guint line_number)
	451	{
	452	GtkTreeModel *model;
	453	GtkTreeIter iter;
	454	GString *linenum;
	455	gint count;
	456
	457	g_return_if_fail (GTK_IS_ASSERT_DIALOG (dlg));
	458	model = gtk_tree_view_get_model (GTK_TREE_VIEW(dlg->treeview));
	459
	460	/* how many items are in the list up to now ? */
	461	count = gtk_tree_model_iter_n_children (model, NULL);
	462
	463	linenum = g_string_new("");
	464	if ( line_number != 0 )
	465	g_string_printf (linenum, "%u", line_number);
	466
	467	/* add data to the list store */
	468	gtk_list_store_append (GTK_LIST_STORE(model), &iter);
	469	gtk_list_store_set (GTK_LIST_STORE(model), &iter,
	470	STACKFRAME_LEVEL_COLIDX, count+1, /* start from 1 and not from 0 */
8d241dea	471	FUNCTION_PROTOTYPE_COLIDX, function,
23b22b10 PC	472	SOURCE_FILE_COLIDX, sourcefile,
	473	LINE_NUMBER_COLIDX, linenum->str,
	474	-1);
	475
	476	g_string_free (linenum, TRUE);
	477	}
	478
	479	GtkWidget *gtk_assert_dialog_new(void)
	480	{
a481bbc3	481	void* dialog = g_object_new(GTK_TYPE_ASSERT_DIALOG, NULL);
23b22b10 PC	482
	483	return GTK_WIDGET (dialog);
	484	}