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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "fpdfsdk/include/formfiller/FFL_RadioButton.h"
      8 
      9 #include "fpdfsdk/include/formfiller/FFL_FormFiller.h"
     10 #include "fpdfsdk/include/fsdk_mgr.h"
     11 #include "fpdfsdk/include/pdfwindow/PWL_SpecialButton.h"
     12 
     13 CFFL_RadioButton::CFFL_RadioButton(CPDFDoc_Environment* pApp,
     14                                    CPDFSDK_Annot* pWidget)
     15     : CFFL_Button(pApp, pWidget) {}
     16 
     17 CFFL_RadioButton::~CFFL_RadioButton() {}
     18 
     19 CPWL_Wnd* CFFL_RadioButton::NewPDFWindow(const PWL_CREATEPARAM& cp,
     20                                          CPDFSDK_PageView* pPageView) {
     21   CPWL_RadioButton* pWnd = new CPWL_RadioButton();
     22   pWnd->Create(cp);
     23 
     24   pWnd->SetCheck(m_pWidget->IsChecked());
     25 
     26   return pWnd;
     27 }
     28 
     29 FX_BOOL CFFL_RadioButton::OnKeyDown(CPDFSDK_Annot* pAnnot,
     30                                     FX_UINT nKeyCode,
     31                                     FX_UINT nFlags) {
     32   switch (nKeyCode) {
     33     case FWL_VKEY_Return:
     34     case FWL_VKEY_Space:
     35       return TRUE;
     36     default:
     37       return CFFL_FormFiller::OnKeyDown(pAnnot, nKeyCode, nFlags);
     38   }
     39 }
     40 
     41 FX_BOOL CFFL_RadioButton::OnChar(CPDFSDK_Annot* pAnnot,
     42                                  FX_UINT nChar,
     43                                  FX_UINT nFlags) {
     44   switch (nChar) {
     45     case FWL_VKEY_Return:
     46     case FWL_VKEY_Space: {
     47       CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
     48       CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
     49       ASSERT(pPageView);
     50 
     51       FX_BOOL bReset = FALSE;
     52       FX_BOOL bExit = FALSE;
     53 
     54       pIFormFiller->OnButtonUp(m_pWidget, pPageView, bReset, bExit, nFlags);
     55 
     56       if (bReset)
     57         return TRUE;
     58       if (bExit)
     59         return TRUE;
     60 
     61       CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
     62 
     63       if (CPWL_RadioButton* pWnd =
     64               (CPWL_RadioButton*)GetPDFWindow(pPageView, TRUE))
     65         pWnd->SetCheck(TRUE);
     66       CommitData(pPageView, nFlags);
     67       return TRUE;
     68     }
     69     default:
     70       return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
     71   }
     72 }
     73 
     74 FX_BOOL CFFL_RadioButton::OnLButtonUp(CPDFSDK_PageView* pPageView,
     75                                       CPDFSDK_Annot* pAnnot,
     76                                       FX_UINT nFlags,
     77                                       const CPDF_Point& point) {
     78   CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);
     79 
     80   if (IsValid()) {
     81     if (CPWL_RadioButton* pWnd =
     82             (CPWL_RadioButton*)GetPDFWindow(pPageView, TRUE))
     83       pWnd->SetCheck(TRUE);
     84 
     85     if (!CommitData(pPageView, nFlags))
     86       return FALSE;
     87   }
     88 
     89   return TRUE;
     90 }
     91 
     92 FX_BOOL CFFL_RadioButton::IsDataChanged(CPDFSDK_PageView* pPageView) {
     93   if (CPWL_RadioButton* pWnd =
     94           (CPWL_RadioButton*)GetPDFWindow(pPageView, FALSE)) {
     95     return pWnd->IsChecked() != m_pWidget->IsChecked();
     96   }
     97 
     98   return FALSE;
     99 }
    100 
    101 void CFFL_RadioButton::SaveData(CPDFSDK_PageView* pPageView) {
    102   if (CPWL_RadioButton* pWnd =
    103           (CPWL_RadioButton*)GetPDFWindow(pPageView, FALSE)) {
    104     FX_BOOL bNewChecked = pWnd->IsChecked();
    105 
    106     if (bNewChecked) {
    107       CPDF_FormField* pField = m_pWidget->GetFormField();
    108       for (int32_t i = 0, sz = pField->CountControls(); i < sz; i++) {
    109         if (CPDF_FormControl* pCtrl = pField->GetControl(i)) {
    110           if (pCtrl->IsChecked()) {
    111             break;
    112           }
    113         }
    114       }
    115     }
    116 
    117     m_pWidget->SetCheck(bNewChecked, FALSE);
    118     m_pWidget->UpdateField();
    119     SetChangeMark();
    120   }
    121 }
    122