cffl_checkbox.cpp revision 4d3acf4ec42bf6e838f9060103aff98fbf170794 
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/formfiller/cffl_checkbox.h"
8
9#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
10#include "fpdfsdk/cpdfsdk_widget.h"
11#include "fpdfsdk/formfiller/cffl_formfiller.h"
12#include "fpdfsdk/pdfwindow/PWL_SpecialButton.h"
13#include "public/fpdf_fwlevent.h"
14
15CFFL_CheckBox::CFFL_CheckBox(CPDFSDK_FormFillEnvironment* pApp,
16                             CPDFSDK_Widget* pWidget)
17    : CFFL_Button(pApp, pWidget) {}
18
19CFFL_CheckBox::~CFFL_CheckBox() {}
20
21CPWL_Wnd* CFFL_CheckBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
22                                      CPDFSDK_PageView* pPageView) {
23  CPWL_CheckBox* pWnd = new CPWL_CheckBox();
24  pWnd->Create(cp);
25  pWnd->SetCheck(m_pWidget->IsChecked());
26  return pWnd;
27}
28
29bool CFFL_CheckBox::OnKeyDown(CPDFSDK_Annot* pAnnot,
30                              uint32_t nKeyCode,
31                              uint32_t 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}
40bool CFFL_CheckBox::OnChar(CPDFSDK_Annot* pAnnot,
41                           uint32_t nChar,
42                           uint32_t nFlags) {
43  switch (nChar) {
44    case FWL_VKEY_Return:
45    case FWL_VKEY_Space: {
46      CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
47      ASSERT(pPageView);
48
49      bool bReset = false;
50      bool bExit = false;
51      CPDFSDK_Annot::ObservedPtr pObserved(m_pWidget);
52      m_pFormFillEnv->GetInteractiveFormFiller()->OnButtonUp(
53          &pObserved, pPageView, bReset, bExit, nFlags);
54      if (!pObserved) {
55        m_pWidget = nullptr;
56        return true;
57      }
58      if (bReset || bExit)
59        return true;
60
61      CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
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
73bool CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
74                                CPDFSDK_Annot* pAnnot,
75                                uint32_t nFlags,
76                                const CFX_FloatPoint& 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
92bool 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
97void CFFL_CheckBox::SaveData(CPDFSDK_PageView* pPageView) {
98  if (CPWL_CheckBox* pWnd = (CPWL_CheckBox*)GetPDFWindow(pPageView, false)) {
99    bool bNewChecked = pWnd->IsChecked();
100
101    if (bNewChecked) {
102      CPDF_FormField* pField = m_pWidget->GetFormField();
103      for (int32_t i = 0, sz = pField->CountControls(); i < sz; i++) {
104        if (CPDF_FormControl* pCtrl = pField->GetControl(i)) {
105          if (pCtrl->IsChecked()) {
106            break;
107          }
108        }
109      }
110    }
111
112    m_pWidget->SetCheck(bNewChecked, false);
113    m_pWidget->UpdateField();
114    SetChangeMark();
115  }
116}
117