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/*
* Copyright (c) 2003 by the gtk2-perl team (see the file AUTHORS)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307 USA.
*
* $Header: /cvsroot/gtk2-perl/gtk2-perl-xs/Gtk2/xs/GtkEditable.xs,v 1.14 2004/02/06 21:34:08 kaffeetisch Exp $
*/
#include "gtk2perl.h"
#include <gperl_marshal.h>
/*
GtkEditable's insert-text signal uses an integer pointer as a write-through
parameter; unlike GtkWidget's size-request signal, we can't just pass an
editable object, because an integer is an integral type.
void user_function (GtkEditable *editable,
gchar *new_text,
gint new_text_length,
gint *position, <<=== that's the problem
gpointer user_data);
*/
static void
gtk2perl_editable_insert_text_marshal (GClosure * closure,
GValue * return_value,
guint n_param_values,
const GValue * param_values,
gpointer invocation_hint,
gpointer marshal_data)
{
STRLEN len;
gint * position_p;
SV * string, * position;
dGPERL_CLOSURE_MARSHAL_ARGS;
GPERL_CLOSURE_MARSHAL_INIT (closure, marshal_data);
PERL_UNUSED_VAR (return_value);
PERL_UNUSED_VAR (n_param_values);
PERL_UNUSED_VAR (invocation_hint);
ENTER;
SAVETMPS;
PUSHMARK (SP);
GPERL_CLOSURE_MARSHAL_PUSH_INSTANCE (param_values);
/* new_text */
string = newSVpv (g_value_get_string (param_values+1), 0);
XPUSHs (string);
/* text length is redundant, but documented. it doesn't hurt
* anything to include it, but would be a doc hassle to omit it. */
XPUSHs (sv_2mortal (newSViv (g_value_get_int (param_values+2))));
/* insert position */
position_p = g_value_get_pointer (param_values+3);
position = newSViv (*position_p);
XPUSHs (position);
GPERL_CLOSURE_MARSHAL_PUSH_DATA;
PUTBACK;
GPERL_CLOSURE_MARSHAL_CALL (G_ARRAY);
/* refresh the param_values with whatever changes the callback may
* have made. values returned on the stack take precedence over
* modifications to @_. */
if (count == 2) {
SV * sv;
/* get the values off the end of the stack. why do my
* attempts to use ST() result in segfaults? */
*position_p = POPi;
sv = POPs;
sv_utf8_upgrade (sv);
g_value_set_string ((GValue*)param_values+1, SvPV (sv, len));
g_value_set_int ((GValue*)param_values+2, len);
PUTBACK;
} else if (count == 0) {
/* returned no values, then refresh string and position
* params from the callback's args, which may have been
* modified. */
sv_utf8_upgrade (string);
g_value_set_string ((GValue*)param_values+1,
SvPV (string, len));
g_value_set_int ((GValue*)param_values+2, len);
*position_p = SvIV (position);
if (*position_p < 0)
*position_p = 0;
} else {
/* NOTE: croaking here can cause bad things to happen to the
* app, because croaking in signal handlers is bad juju. */
croak ("an insert-text signal handler must either return"
" two items (text and position)\nor return no items"
" and possibly modify its @_ parameters.\n"
" callback returned %d items", count);
}
/*
* clean up
*/
SvREFCNT_dec (string);
SvREFCNT_dec (position);
PUTBACK;
FREETMPS;
LEAVE;
}
MODULE = Gtk2::Editable PACKAGE = Gtk2::Editable PREFIX = gtk_editable_
BOOT:
gperl_signal_set_marshaller_for (GTK_TYPE_EDITABLE, "insert_text",
gtk2perl_editable_insert_text_marshal);
void
gtk_editable_select_region (editable, start, end)
GtkEditable *editable
gint start
gint end
## returns an empty list if there is no selection
=for apidoc
=for signature (start, end) = $editable->get_selection_bounds
Returns integers, start and end.
=cut
void
gtk_editable_get_selection_bounds (editable)
GtkEditable *editable
PREINIT:
gint start;
gint end;
PPCODE:
if (!gtk_editable_get_selection_bounds (editable, &start, &end))
XSRETURN_EMPTY;
EXTEND (SP, 2);
PUSHs (sv_2mortal (newSViv (start)));
PUSHs (sv_2mortal (newSViv (end)));
=for apidoc
=for signature new_position = $editable->insert_text (new_text, position)
=cut
## returns position of next char after inserted text
gint
gtk_editable_insert_text (editable, new_text, ...)
GtkEditable *editable
gchar *new_text
PREINIT:
gint new_text_length;
gint position;
CODE:
if (items == 3) {
new_text_length = strlen (new_text);
position = SvIV (ST (2));
} else if (items == 4) {
new_text_length = SvIV (ST (2));
position = SvIV (ST (3));
} else {
croak ("Usage: Gtk2::Editable::insert_text(editable, new_text, position)");
}
gtk_editable_insert_text (editable, new_text,
new_text_length, &position);
RETVAL = position;
OUTPUT:
RETVAL
void
gtk_editable_delete_text (editable, start_pos, end_pos)
GtkEditable *editable
gint start_pos
gint end_pos
gchar_own *
gtk_editable_get_chars (editable, start_pos, end_pos)
GtkEditable *editable
gint start_pos
gint end_pos
void
gtk_editable_cut_clipboard (editable)
GtkEditable *editable
void
gtk_editable_copy_clipboard (editable)
GtkEditable *editable
void
gtk_editable_paste_clipboard (editable)
GtkEditable *editable
void
gtk_editable_delete_selection (editable)
GtkEditable *editable
void
gtk_editable_set_position (editable, position)
GtkEditable *editable
gint position
gint
gtk_editable_get_position (editable)
GtkEditable *editable
void
gtk_editable_set_editable (editable, is_editable)
GtkEditable *editable
gboolean is_editable
gboolean
gtk_editable_get_editable (editable)
GtkEditable *editable
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