/*
* surf - visualizing algebraic curves and algebraic surfaces
* Copyright (C) 1996-1997 Friedrich-Alexander-Universitaet
* Erlangen-Nuernberg
* 1997-2000 Johannes Gutenberg-Universitaet Mainz
* Authors: Stephan Endrass, Hans Huelf, Ruediger Oertel,
* Kai Schneider, Ralf Schmitt, Johannes Beigel
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <assert.h>
#include "WidgetReadWriter.h"
#include "ColorSelectionButton.h"
// #define DEBUG
#include "debug.h"
// ------------------------------------------
// write symbol to symtab from GUI
// ------------------------------------------
static void write_symbol (gpointer data, gpointer user_data)
{
SymbolTable *st = (SymbolTable *) user_data;
GtkWidget *widget = (GtkWidget *)data;
const char *name = (const char *)gtk_object_get_data (GTK_OBJECT(widget), "variable_name");
if (GTK_IS_OPTION_MENU(widget)) {
DMESS("option_menu: " << name);
GtkWidget *active = gtk_menu_get_active (GTK_MENU(gtk_option_menu_get_menu(GTK_OPTION_MENU(widget))));
const char *val = (const char *)gtk_object_get_data(GTK_OBJECT(active), "value");
st->insert(name, val);
return;
} else if (GTK_IS_RADIO_BUTTON(widget)) {
DMESS("radio_button: " << name);
GSList *group = gtk_radio_button_group(GTK_RADIO_BUTTON(widget));
GtkWidget *w;
for(;;) {
w = (GtkWidget *)group->data;
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(w))) {
break;
}
group=group->next;
assert(group);
}
const char *val = (const char *)gtk_object_get_data(GTK_OBJECT(w), "rbvalue");
st->insert(name, val);
return;
}
if (GTK_IS_SPIN_BUTTON(widget)) {
DMESS("spin_button: " << name);
// gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), st->lookupDouble(name));
if (GTK_SPIN_BUTTON(widget)->digits==0)
st->insertInt (name, gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (widget)));
else
st->insertDouble (name, gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (widget)));
return;
}
if (GTK_IS_HSCALE(widget)) {
GtkAdjustment *adj = gtk_range_get_adjustment( GTK_RANGE( widget) );
st->insertInt (name, adj->value );
return;
}
if (GTK_IS_TOGGLE_BUTTON(widget)) {
DMESS("toggle_button: " << name);
st->insert (name,( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? "yes" : "no" ) );
return;
}
if (GTK_IS_CHECK_BUTTON(widget)) {
DMESS("check_button: " << name );
st->insert (name,( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) ? "yes" : "no" ) );
return;
}
if (GTK_IS_BUTTON(widget)) {
DMESS("button: " << name );
ColorSelectionButton *csb = (ColorSelectionButton *) gtk_object_get_data (GTK_OBJECT(widget), "button");
if (csb) {
char str[256];
sprintf (str, "%s_red", name);
st->insertInt (str, (int) (csb->red *0xff));
sprintf (str, "%s_green", name);
st->insertInt (str, (int) (csb->green *0xff));
sprintf (str, "%s_blue", name);
st->insertInt (str, (int) (csb->blue *0xff));
return;
}
}
assert(0);
}
// ------------------------------------------
// read symbol from symtab and write to GUI
// ------------------------------------------
static void read_symbol (gpointer data, gpointer user_data)
{
SymbolTable *st = (SymbolTable *) user_data;
GtkWidget *widget = (GtkWidget *)data;
const char *name = (const char *)gtk_object_get_data (GTK_OBJECT(widget), "variable_name");
if (GTK_IS_OPTION_MENU(widget)) {
DMESS("option_menu: " << name );
GSList *group = GTK_RADIO_MENU_ITEM(GTK_OPTION_MENU(widget)->menu_item)->group;
assert(group);
const char *value = st->lookup(name);
GtkWidget *w;
for (;;) {
w = (GtkWidget *)group->data;
const char *this_value = (const char *)gtk_object_get_data(GTK_OBJECT(w), "value");
assert(value);
group=group->next;
if (strcmp (value, this_value)==0) {
// gtk_option_menu_set_history (GTK_OPTION_MENU(widget), g_slist_length(group)-1);
// this seems really really strange...but actually works. Understand that
// the first option added to the option menu, is the last in the list !
gtk_option_menu_set_history (GTK_OPTION_MENU(widget), g_slist_length(group));
break;
}
if (group == 0) {
cerr << __FILE__ << " " << __LINE__ << ": WARNING: value " << value << " for variable " << name << " unknown" << endl;
break;
}
}
return;
} else if (GTK_IS_RADIO_BUTTON(widget)) {
DMESS("radio_button: " << name );
const char *value = st->lookup(name);
GSList *group = gtk_radio_button_group(GTK_RADIO_BUTTON(widget));
GtkWidget *w;
for(;;) {
w = (GtkWidget *)group->data;
const char *w_val = (const char *)gtk_object_get_data(GTK_OBJECT(w),"rbvalue");
if (strcmp(w_val, value)==0) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(w), TRUE);
break;
}
group=group->next;
if (group == 0) {
cerr << __FILE__ << " " << __LINE__ << ": WARNING: value " << value << " for variable " << name << " unknown" << endl;
break;
}
}
return;
}
if (GTK_IS_SPIN_BUTTON(widget)) {
DMESS("spin_button: " << name );
gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), st->lookupDouble(name));
// st->insertDouble (name, gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (widget)));
return;
}
if (GTK_IS_HSCALE(widget)) {
GtkAdjustment *adj = gtk_range_get_adjustment( GTK_RANGE( widget) );
gtk_adjustment_set_value( adj,st->lookupInt(name) );
return;
}
if (GTK_IS_TOGGLE_BUTTON(widget)) {
DMESS("check_button: " << name );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), !st->lookupInt(name));
return;
}
if (GTK_IS_CHECK_BUTTON(widget)) {
DMESS("toggle_button: " << name );
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), !st->lookupInt(name));
return;
}
if (GTK_IS_BUTTON(widget)) {
DMESS("button: " << name );
ColorSelectionButton *csb = (ColorSelectionButton *) gtk_object_get_data (GTK_OBJECT(widget), "button");
if (csb) {
char str[256];
sprintf (str, "%s_red", name);
double r = st->lookupInt (str) / 255.0;
sprintf (str, "%s_green", name);
double g = st->lookupInt (str) / 255.0;
sprintf (str, "%s_blue", name);
double b = st->lookupInt (str) / 255.0;
csb->setColor (r, g, b);
return;
}
}
assert(0);
}
WidgetReadWriter::WidgetReadWriter()
{
list = 0;
}
void WidgetReadWriter::addWidget (GtkWidget *widget, const char *variable_name)
{
list = g_slist_prepend (list, widget);
gtk_object_set_data (GTK_OBJECT(widget), "variable_name", (void*)variable_name);
}
void WidgetReadWriter::writeSymbols (SymbolTable &st)
{
g_slist_foreach (list, write_symbol, &st);
}
void WidgetReadWriter::readSymbols (SymbolTable &st)
{
g_slist_foreach (list, read_symbol, &st);
}
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