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/*
* gretl -- Gnu Regression, Econometrics and Time-series Library
* Copyright (C) 2001 Allin Cottrell and Riccardo "Jack" Lucchetti
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "gretl.h"
#include "obsbutton.h"
static gboolean obs_button_input (GtkSpinButton *spin,
gdouble *new_val,
gpointer p)
{
const gchar *obs = gtk_entry_get_text(GTK_ENTRY(spin));
int n;
if (g_object_get_data(G_OBJECT(spin), "newdata")) {
n = merge_dateton(obs, (DATASET *) p);
} else {
n = dateton(obs, (DATASET *) p);
}
*new_val = n;
return TRUE;
}
static gboolean obs_button_output (GtkSpinButton *spin, gpointer p)
{
gpointer rset;
gchar buf[OBSLEN];
int n = gtk_spin_button_get_value_as_int(spin);
ntodate(buf, n, (DATASET *) p);
if (strcmp(buf, gtk_entry_get_text(GTK_ENTRY(spin)))) {
gtk_entry_set_text(GTK_ENTRY(spin), buf);
}
rset = g_object_get_data(G_OBJECT(spin), "rset");
if (rset != NULL) {
update_obs_label(NULL, rset);
}
return TRUE;
}
GtkWidget *obs_button_new (GtkAdjustment *adj, DATASET *dset,
ObsButtonRole role)
{
GtkWidget *spinner;
int n = strlen(dset->endobs);
spinner = gtk_spin_button_new(adj, 1, 0);
gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(spinner), FALSE);
gtk_entry_set_width_chars(GTK_ENTRY(spinner), (n < 2)? 2 : n);
#if GTK_MAJOR_VERSION == 3 && GTK_MINOR_VERSION >= 12
/* remedy required for gtk3 */
gtk_entry_set_max_width_chars(GTK_ENTRY(spinner), (n < 2)? 2 : n);
#endif
g_signal_connect(G_OBJECT(spinner), "input",
G_CALLBACK(obs_button_input), dset);
g_signal_connect(G_OBJECT(spinner), "output",
G_CALLBACK(obs_button_output), dset);
if (role) {
g_object_set_data(G_OBJECT(spinner), "role", GINT_TO_POINTER(role));
}
return spinner;
}
GtkWidget *data_start_button (GtkAdjustment *adj, DATASET *dset)
{
GtkWidget *spinner = obs_button_new(adj, dset, 0);
g_object_set_data(G_OBJECT(spinner), "newdata", GINT_TO_POINTER(1));
return spinner;
}
int obs_button_get_value (GtkWidget *button)
{
return gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(button));
}
const gchar *obs_button_get_string (GtkWidget *button)
{
return gtk_entry_get_text(GTK_ENTRY(button));
}
static void alert_partner (GtkWidget *b, GtkWidget *partner)
{
GtkSpinButton *b1, *b2;
int b_role, t1, t2;
b_role = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(b), "role"));
if (b_role == OBS_BUTTON_T1) {
b1 = GTK_SPIN_BUTTON(b);
b2 = GTK_SPIN_BUTTON(partner);
} else {
b1 = GTK_SPIN_BUTTON(partner);
b2 = GTK_SPIN_BUTTON(b);
}
t1 = gtk_spin_button_get_value_as_int(b1);
t2 = gtk_spin_button_get_value_as_int(b2);
if (t2 < t1) {
if (b_role == OBS_BUTTON_T1) {
/* force t2 to adjust upward */
gtk_spin_button_set_value(b2, (gdouble) t1);
} else {
/* force t1 to adjust downward */
gtk_spin_button_set_value(b1, (gdouble) t2);
}
}
}
void obs_button_set_partner (GtkWidget *button, GtkWidget *partner)
{
g_signal_connect(G_OBJECT(button), "value-changed",
G_CALLBACK(alert_partner), partner);
}
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