diff options
Diffstat (limited to 'mixgtk/mixgtk_input.c')
| -rw-r--r-- | mixgtk/mixgtk_input.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/mixgtk/mixgtk_input.c b/mixgtk/mixgtk_input.c new file mode 100644 index 0000000..fa98056 --- /dev/null +++ b/mixgtk/mixgtk_input.c @@ -0,0 +1,189 @@ +/* -*-c-*- -------------- mixgtk_input.c : + * Implementation of the functions declared in mixgtk_input.h + * ------------------------------------------------------------------ + * Last change: Time-stamp: "01/03/13 08:31:20 jose" + * ------------------------------------------------------------------ + * Copyright (C) 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <ctype.h> +#include <stdlib.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_; +static GtkWidget *childs_[SIZE_]; +static input_callback_t callback_; +static gpointer data_; + +/* init */ +extern gboolean +mixgtk_input_init (void) +{ + gint k; + + dialog_ = GTK_DIALOG (mixgtk_widget_factory_get (MIXGTK_WIDGET_WORD_DIALOG)); + g_return_val_if_fail (dialog_ != NULL, FALSE); + for (k = 0; k < SIZE_; ++k) + { + childs_[k] = mixgtk_widget_factory_get_by_name (WGT_NAMES_[k]); + g_return_val_if_fail (childs_[k] != NULL, FALSE); + } + return TRUE; + +} + +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); + snprintf (BUFFER, SIZE, "%s%d", neg ? "-" : "", val); + 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); + snprintf (BUFFER, SIZE, "%d", (int)b); + gtk_entry_set_text (GTK_ENTRY (childs_[SIGN_ + k]), BUFFER); + } +} + + +/* get a word */ +void +mixgtk_input_word (const gchar *message, mix_word_t def, + input_callback_t cb, gpointer data) +{ + 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) +{ + 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 */ +gboolean +on_word_dec_key_press (GtkWidget *dec, GdkEvent *event, gpointer *data) +{ + GdkEventKey *key = (GdkEventKey *)event; + if (key->string && strlen (key->string) > 0 && !iscntrl (key->string[0])) + { + gchar *text = gtk_entry_get_text (GTK_ENTRY (childs_[DEC_])); + gint val = atoi (text); + set_word_ (mix_word_new (val)); + } + return FALSE; +} + +gboolean +on_word_byte_key_press (GtkWidget *widget, GdkEvent *event, gpointer *data) +{ + GdkEventKey *key = (GdkEventKey *)event; + if (key->string && strlen (key->string) > 0 && !iscntrl (key->string[0])) + { + mix_byte_t bytes[5]; + gint k; + gchar *s; + mix_word_t w; + + for (k = 0; k < 5; ++k) + { + 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); + } + return FALSE; +} + +gboolean +on_word_sign_key_press (GtkWidget *widget, GdkEvent *event, gpointer *data) +{ + GdkEventKey *key = (GdkEventKey *)event; + if (key->string && strlen (key->string) > 0 && !iscntrl (key->string[0])) + { + gchar s = key->string[0]; + gchar *txt = gtk_entry_get_text (GTK_ENTRY (childs_[SIGN_])); + gchar c = txt ? txt[0] : '+'; + if ( (s == '+' || s == '-') && s != c) + { + mix_word_t w = + mix_word_new (atoi + (gtk_entry_get_text (GTK_ENTRY (childs_[DEC_])))); + set_word_ (mix_word_negative (w)); + } + } + return FALSE; +} + +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)); + 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); +} |