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/* -*-c-*- -------------- mixgtk_input.c :
* Implementation of the functions declared in mixgtk_input.h
* ------------------------------------------------------------------
* $Id: mixgtk_input.c,v 1.7 2005/09/20 19:43:14 jao Exp $
* ------------------------------------------------------------------
* Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "mixgtk_widgets.h"
#include "mixgtk_input.h"
enum {
MSG_, SIGN_, B1_, B2_, B3_, B4_, B5_, DEC_, RESET_, OK_, SIZE_
};
static const gchar *WGT_NAMES_[SIZE_] = {
"word_label", "word_sign", "word_b1", "word_b2", "word_b3",
"word_b4", "word_b5", "word_decimal", "word_reset", "word_ok"
};
static GtkDialog *dialog_ = NULL;
static GtkWidget *childs_[SIZE_];
static input_callback_t callback_;
static gpointer data_;
static void init_dialog_ (void);
static void set_word_ (mix_word_t word);
/* init */
void
mixgtk_input_init (void)
{
dialog_ = NULL;
}
/* get a word */
void
mixgtk_input_word (const gchar *message, mix_word_t def,
input_callback_t cb, gpointer data)
{
if (!dialog_) init_dialog_ ();
gtk_label_set_text (GTK_LABEL (childs_[MSG_]), message);
set_word_ (def);
callback_ = cb;
data_ = data;
gtk_widget_show (childs_[B1_]);
gtk_widget_show (childs_[B2_]);
gtk_widget_show (childs_[B3_]);
gtk_widget_show (GTK_WIDGET (dialog_));
}
/* get a short */
void
mixgtk_input_short (const gchar *message, mix_short_t def,
input_callback_t cb, gpointer data)
{
if (!dialog_) init_dialog_ ();
gtk_label_set_text (GTK_LABEL (childs_[MSG_]), message);
set_word_ (mix_word_to_short_fast (def));
callback_ = cb;
data_ = data;
gtk_widget_show (GTK_WIDGET (dialog_));
gtk_widget_hide (childs_[B1_]);
gtk_widget_hide (childs_[B2_]);
gtk_widget_hide (childs_[B3_]);
}
#include <gdk/gdkkeysyms.h>
/* dec and bytes input handler */
void
on_word_dec_changed (GtkEditable *dec, gpointer *data)
{
gchar *txt = gtk_editable_get_chars (dec, 0, -1);
if (strlen (txt) > 0)
{
gint val = atoi (txt);
set_word_ (mix_word_new (val));
}
g_free (txt);
}
void
on_word_byte_changed (GtkEditable *byte, gpointer *data)
{
gchar *txt = gtk_editable_get_chars (byte, 0, 2);
if (strlen (txt) > 0)
{
mix_byte_t bytes[5];
gint k;
const gchar *s;
mix_word_t w;
for (k = 0; k < 5; ++k)
{
const gchar *text = gtk_entry_get_text (GTK_ENTRY (childs_[B1_ + k]));
bytes[k] = mix_byte_new (atoi (text));
}
w = mix_bytes_to_word (bytes, 5);
s = gtk_entry_get_text (GTK_ENTRY (childs_[SIGN_]));
if (s && s[0] == '-') mix_word_reverse_sign (w);
set_word_ (w);
}
g_free (txt);
}
void
on_word_sign_changed (GtkEditable *sign, gpointer *data)
{
gchar *txt = gtk_editable_get_chars (sign, 0, 1);
if (strlen (txt) > 0)
{
gint pos = 0;
mix_word_t w =
mix_word_new (atoi (gtk_entry_get_text (GTK_ENTRY (childs_[DEC_]))));
g_signal_handlers_block_by_func (GTK_OBJECT (sign),
on_word_sign_changed, data);
if (txt[0] != '+' && txt[0] != '-') txt[0] = '+';
gtk_editable_delete_text (sign, 0, 1);
gtk_editable_insert_text (sign, txt, 1, &pos);
g_signal_handlers_unblock_by_func (GTK_OBJECT (sign),
on_word_sign_changed, data);
set_word_ (txt[0] == '-' ? mix_word_negative (w) : w);
}
g_free (txt);
}
void
on_word_ok_clicked (GtkWidget *widget, gpointer *data)
{
const gchar *text = gtk_entry_get_text (GTK_ENTRY (childs_[DEC_]));
mix_word_t w = mix_word_new (atoi (text));
if (w == MIX_WORD_ZERO)
{
const gchar *sign = gtk_entry_get_text (GTK_ENTRY (childs_[SIGN_]));
if (sign && sign[0] == '-') mix_word_reverse_sign (w);
}
callback_ (w, data_);
gtk_widget_hide (GTK_WIDGET (dialog_));
}
void
on_word_cancel_clicked (GtkWidget *widget, gpointer *data)
{
gtk_widget_hide (GTK_WIDGET (dialog_));
}
void
on_word_reset_clicked (GtkWidget *w, gpointer *data)
{
set_word_ (MIX_WORD_ZERO);
}
static void
init_dialog_ (void)
{
gint k;
dialog_ = GTK_DIALOG (mixgtk_widget_factory_get_dialog (MIXGTK_WORD_DIALOG));
g_assert (dialog_ != NULL);
for (k = 0; k < SIZE_; ++k)
{
childs_[k] = mixgtk_widget_factory_get_child_by_name
(MIXGTK_WORD_DIALOG, WGT_NAMES_[k]);
g_assert (childs_[k] != NULL);
}
}
static void
set_word_ (mix_word_t word)
{
enum {SIZE = 50};
static gchar BUFFER[SIZE] = {0};
gint k;
gint val = mix_word_magnitude (word);
gboolean neg = mix_word_is_negative (word);
g_snprintf (BUFFER, SIZE, "%s%d", neg ? "-" : "", val);
g_signal_handlers_block_by_func (GTK_OBJECT (childs_[DEC_]),
on_word_dec_changed, NULL);
g_signal_handlers_block_by_func (GTK_OBJECT (childs_[SIGN_]),
on_word_sign_changed, NULL);
for (k = B1_; k <= B5_; ++k)
g_signal_handlers_block_by_func (GTK_OBJECT (childs_[k]),
on_word_byte_changed, NULL);
gtk_entry_set_text (GTK_ENTRY (childs_[DEC_]), BUFFER);
gtk_entry_set_text (GTK_ENTRY (childs_[SIGN_]), neg ? "-" : "+");
for (k = 1; k < 6; ++k)
{
mix_byte_t b = mix_word_get_byte (word, k);
g_snprintf (BUFFER, SIZE, "%d", (int)b);
gtk_entry_set_text (GTK_ENTRY (childs_[SIGN_ + k]), BUFFER);
}
for (k = B1_; k <= B5_; ++k)
g_signal_handlers_unblock_by_func (GTK_OBJECT (childs_[k]),
on_word_byte_changed, NULL);
g_signal_handlers_unblock_by_func (GTK_OBJECT (childs_[DEC_]),
on_word_dec_changed, NULL);
g_signal_handlers_unblock_by_func (GTK_OBJECT (childs_[SIGN_]),
on_word_sign_changed, NULL);
}
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