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// 11 june 2015
#include "uipriv_unix.h"
struct uiSpinbox {
uiUnixControl c;
GtkWidget *widget;
GtkEntry *entry;
GtkSpinButton *spinButton;
void (*onChanged)(uiSpinbox *, void *);
void *onChangedData;
gulong onChangedSignal;
};
uiUnixControlAllDefaults(uiSpinbox)
static void onChanged(GtkSpinButton *sb, gpointer data)
{
uiSpinbox *s = uiSpinbox(data);
(*(s->onChanged))(s, s->onChangedData);
}
static void defaultOnChanged(uiSpinbox *s, void *data)
{
// do nothing
}
int uiSpinboxValue(uiSpinbox *s)
{
return gtk_spin_button_get_value(s->spinButton);
}
void uiSpinboxSetValue(uiSpinbox *s, int value)
{
// we need to inhibit sending of ::value-changed because this WILL send a ::value-changed otherwise
g_signal_handler_block(s->spinButton, s->onChangedSignal);
// this clamps for us
gtk_spin_button_set_value(s->spinButton, (gdouble) value);
g_signal_handler_unblock(s->spinButton, s->onChangedSignal);
}
void uiSpinboxOnChanged(uiSpinbox *s, void (*f)(uiSpinbox *, void *), void *data)
{
s->onChanged = f;
s->onChangedData = data;
}
uiSpinbox *uiNewSpinbox(int min, int max)
{
uiSpinbox *s;
int temp;
if (min >= max) {
temp = min;
min = max;
max = temp;
}
uiUnixNewControl(uiSpinbox, s);
s->widget = gtk_spin_button_new_with_range(min, max, 1);
s->entry = GTK_ENTRY(s->widget);
s->spinButton = GTK_SPIN_BUTTON(s->widget);
// ensure integers, just to be safe
gtk_spin_button_set_digits(s->spinButton, 0);
s->onChangedSignal = g_signal_connect(s->spinButton, "value-changed", G_CALLBACK(onChanged), s);
uiSpinboxOnChanged(s, defaultOnChanged, NULL);
return s;
}
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