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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_CheckBox.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 #include "public/fpdf_fwlevent.h"
     13 
     14 CFFL_CheckBox::CFFL_CheckBox(CPDFDoc_Environment* pApp, CPDFSDK_Widget* pWidget)
     15     : CFFL_Button(pApp, pWidget) {}
     16 
     17 CFFL_CheckBox::~CFFL_CheckBox() {}
     18 
     19 CPWL_Wnd* CFFL_CheckBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
     20                                       CPDFSDK_PageView* pPageView) {
     21   CPWL_CheckBox* pWnd = new CPWL_CheckBox();
     22   pWnd->Create(cp);
     23   pWnd->SetCheck(m_pWidget->IsChecked());
     24   return pWnd;
     25 }
     26 
     27 FX_BOOL CFFL_CheckBox::OnKeyDown(CPDFSDK_Annot* pAnnot,
     28                                  FX_UINT nKeyCode,
     29                                  FX_UINT nFlags) {
     30   switch (nKeyCode) {
     31     case FWL_VKEY_Return:
     32     case FWL_VKEY_Space:
     33       return TRUE;
     34     default:
     35       return CFFL_FormFiller::OnKeyDown(pAnnot, nKeyCode, nFlags);
     36   }
     37 }
     38 FX_BOOL CFFL_CheckBox::OnChar(CPDFSDK_Annot* pAnnot,
     39                               FX_UINT nChar,
     40                               FX_UINT nFlags) {
     41   switch (nChar) {
     42     case FWL_VKEY_Return:
     43     case FWL_VKEY_Space: {
     44       CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
     45       ASSERT(pIFormFiller);
     46 
     47       CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
     48       ASSERT(pPageView);
     49 
     50       FX_BOOL bReset = FALSE;
     51       FX_BOOL bExit = FALSE;
     52 
     53       pIFormFiller->OnButtonUp(m_pWidget, pPageView, bReset, bExit, nFlags);
     54 
     55       if (bReset)
     56         return TRUE;
     57       if (bExit)
     58         return TRUE;
     59 
     60       CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
     61 
     62       if (CPWL_CheckBox* pWnd = (CPWL_CheckBox*)GetPDFWindow(pPageView, TRUE))
     63         pWnd->SetCheck(!pWnd->IsChecked());
     64 
     65       CommitData(pPageView, nFlags);
     66       return TRUE;
     67     }
     68     default:
     69       return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
     70   }
     71 }
     72 
     73 FX_BOOL CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
     74                                    CPDFSDK_Annot* pAnnot,
     75                                    FX_UINT nFlags,
     76                                    const CPDF_Point& point) {
     77   CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);
     78 
     79   if (IsValid()) {
     80     if (CPWL_CheckBox* pWnd = (CPWL_CheckBox*)GetPDFWindow(pPageView, TRUE)) {
     81       CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
     82       pWnd->SetCheck(!pWidget->IsChecked());
     83     }
     84 
     85     if (!CommitData(pPageView, nFlags))
     86       return FALSE;
     87   }
     88 
     89   return TRUE;
     90 }
     91 
     92 FX_BOOL CFFL_CheckBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
     93   CPWL_CheckBox* pWnd = (CPWL_CheckBox*)GetPDFWindow(pPageView, FALSE);
     94   return pWnd && pWnd->IsChecked() != m_pWidget->IsChecked();
     95 }
     96 
     97 void CFFL_CheckBox::SaveData(CPDFSDK_PageView* pPageView) {
     98   if (CPWL_CheckBox* pWnd = (CPWL_CheckBox*)GetPDFWindow(pPageView, FALSE)) {
     99     FX_BOOL bNewChecked = pWnd->IsChecked();
    100 
    101     if (bNewChecked) {
    102       CPDF_FormField* pField = m_pWidget->GetFormField();
    103       ASSERT(pField != NULL);
    104 
    105       for (int32_t i = 0, sz = pField->CountControls(); i < sz; i++) {
    106         if (CPDF_FormControl* pCtrl = pField->GetControl(i)) {
    107           if (pCtrl->IsChecked()) {
    108             break;
    109           }
    110         }
    111       }
    112     }
    113 
    114     m_pWidget->SetCheck(bNewChecked, FALSE);
    115     m_pWidget->UpdateField();
    116     SetChangeMark();
    117   }
    118 }
    119