75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
// 18 november 2015
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#include "uipriv_haiku.hpp"
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// TODO any of this on api.haiku-os.org?
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// TODO tracking events?
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struct uiSlider {
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uiHaikuControl c;
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BSlider *slider;
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void (*onChanged)(uiSlider *, void *);
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void *onChangedData;
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};
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uiHaikuDefineControl(
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uiSlider, // type name
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uiSliderType, // type function
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slider // handle
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)
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#define mSliderChanged 0x6060FEFE
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static void onChanged(BMessage *msg)
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{
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void *ss;
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uiSlider *s;
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// TODO error check
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msg->FindPointer(mControlField, &ss);
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s = uiSlider(ss);
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(*(s->onChanged))(s, s->onChangedData);
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}
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static void defaultOnChanged(uiSlider *s, void *data)
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{
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// do nothing
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}
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intmax_t uiSliderValue(uiSlider *s)
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{
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return s->slider->Value();
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}
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void uiSliderSetValue(uiSlider *s, intmax_t value)
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{
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// TODO does this trigger an event?
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s->slider->SetValue(value);
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}
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void uiSliderOnChanged(uiSlider *s, void (*f)(uiSlider *s, void *data), 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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uiSlider *uiNewSlider(intmax_t min, intmax_t max)
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{
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uiSlider *s;
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BMessage *msg;
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s = (uiSlider *) uiNewControl(uiSliderType());
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uiHaikuRegisterEventHandler(mSliderChanged, onChanged);
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msg = new BMessage(mSliderChanged);
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msg->AddPointer(mControlField, s);
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s->slider = new BSlider(NULL, NULL, msg,
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min, max, B_HORIZONTAL);
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uiSliderOnChanged(s, defaultOnChanged, NULL);
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uiHaikuFinishNewControl(s, uiSlider);
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return s;
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}
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