153 lines
3.0 KiB
C++
153 lines
3.0 KiB
C++
#include "headers.h"
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#pragma MARK_DATA(__FILE__)
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#pragma MARK_CODE(__FILE__)
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#pragma MARK_CONST(__FILE__)
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#include "iextag.h"
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#include "utils.hxx"
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#include "radio.hxx"
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const CBaseCtl::PROPDESC CRadioButton::s_propdesc[] =
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{
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{_T("value"), VT_BSTR},
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{_T("checked"), VT_BOOL, NULL, NULL, VB_FALSE},
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NULL
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};
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enum
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{
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VALUE = 0,
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CHECKED = 1
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};
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HRESULT
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CRadioButton::Init(CContextAccess * pca)
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{
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HRESULT hr = S_OK;
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hr = pca->Open (CA_SITEOM);
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if (hr)
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goto Cleanup;
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hr = pca->SiteOM()->RegisterName(_T("radiobutton"));
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if (hr)
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goto Cleanup;
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Cleanup:
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return hr;
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}
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/////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::get_value(BSTR * pv)
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{
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return GetProps()[VALUE].Get(pv);
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}
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/////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::put_value(BSTR v)
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{
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return GetProps()[VALUE].Set(v);
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}
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/////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::get_checked(VARIANT_BOOL * pv)
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{
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return GetProps()[CHECKED].Get(pv);
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}
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/////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::put_checked(VARIANT_BOOL v)
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{
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return GetProps()[CHECKED].Set(v);
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}
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::OnClick(CEventObjectAccess *pEvent)
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{
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HRESULT hr = S_OK;
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VARIANT_BOOL fChecked = FALSE;
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hr = get_checked(&fChecked);
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if (hr)
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goto Cleanup;
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// You can't uncheck a radio button by clicking on it.
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if (!fChecked)
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hr = ChangeState();
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Cleanup:
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return hr;
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}
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::OnKeyPress(CEventObjectAccess *pEvent)
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{
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HRESULT hr = S_OK;
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long lKeyCode;
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hr = pEvent->GetKeyCode(&lKeyCode);
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if (hr)
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goto Cleanup;
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// TODO is this the right way to check lKey?
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if (_T(' ') == lKeyCode)
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{
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VARIANT_BOOL fChecked = FALSE;
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hr = get_checked(&fChecked);
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if (hr)
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goto Cleanup;
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// You can't uncheck a radio button by clicking on it.
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if (!fChecked)
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hr = ChangeState();
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}
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Cleanup:
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return hr;
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}
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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CRadioButton::ChangeState()
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{
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HRESULT hr = S_OK;
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CContextAccess a(_pSite);
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VARIANT_BOOL fChecked = VB_FALSE;
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IHTMLElement * pElem = NULL;
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hr = a.Open(CA_SITERENDER | CA_ELEM);
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if (hr)
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goto Cleanup;
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hr = get_checked(&fChecked);
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if (hr)
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goto Cleanup;
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hr = put_checked(!fChecked);
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if (hr)
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goto Cleanup;
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hr = a.SiteRender()->Invalidate(NULL);
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Cleanup:
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ReleaseInterface(pElem);
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return hr;
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}
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