73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
// 11 june 2015
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#include "uipriv_unix.h"
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struct uiSpinbox {
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uiUnixControl c;
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GtkWidget *widget;
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GtkEntry *entry;
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GtkSpinButton *spinButton;
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void (*onChanged)(uiSpinbox *, void *);
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void *onChangedData;
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gulong onChangedSignal;
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};
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uiUnixDefineControl(
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uiSpinbox // type name
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)
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static void onChanged(GtkSpinButton *sb, gpointer data)
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{
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uiSpinbox *s = uiSpinbox(data);
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(*(s->onChanged))(s, s->onChangedData);
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}
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static void defaultOnChanged(uiSpinbox *s, void *data)
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{
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// do nothing
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}
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intmax_t uiSpinboxValue(uiSpinbox *s)
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{
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return (intmax_t) gtk_spin_button_get_value(s->spinButton);
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}
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void uiSpinboxSetValue(uiSpinbox *s, intmax_t value)
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{
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// we need to inhibit sending of ::value-changed because this WILL send a ::value-changed otherwise
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g_signal_handler_block(s->spinButton, s->onChangedSignal);
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// TODO does this clamp?
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gtk_spin_button_set_value(s->spinButton, (gdouble) value);
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g_signal_handler_unblock(s->spinButton, s->onChangedSignal);
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}
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void uiSpinboxOnChanged(uiSpinbox *s, void (*f)(uiSpinbox *, void *), void *data)
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{
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s->onChanged = f;
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s->onChangedData = data;
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}
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uiSpinbox *uiNewSpinbox(intmax_t min, intmax_t max)
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{
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uiSpinbox *s;
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if (min >= max)
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complain("error: min >= max in uiNewSpinbox()");
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s = (uiSpinbox *) uiNewControl(uiSpinbox);
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s->widget = gtk_spin_button_new_with_range(min, max, 1);
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s->entry = GTK_ENTRY(s->widget);
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s->spinButton = GTK_SPIN_BUTTON(s->widget);
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// TODO needed?
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gtk_spin_button_set_digits(s->spinButton, 0);
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s->onChangedSignal = g_signal_connect(s->spinButton, "value-changed", G_CALLBACK(onChanged), s);
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uiSpinboxOnChanged(s, defaultOnChanged, NULL);
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uiUnixFinishNewControl(s, uiSpinbox);
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return s;
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}
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