135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/formfiller/cffl_checkbox.h"
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#include <utility>
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#include "core/fpdfdoc/cpdf_formcontrol.h"
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#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
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#include "fpdfsdk/cpdfsdk_widget.h"
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#include "fpdfsdk/formfiller/cffl_formfiller.h"
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#include "fpdfsdk/pwl/cpwl_special_button.h"
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#include "public/fpdf_fwlevent.h"
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#include "third_party/base/ptr_util.h"
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CFFL_CheckBox::CFFL_CheckBox(CPDFSDK_FormFillEnvironment* pApp,
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CPDFSDK_Widget* pWidget)
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: CFFL_Button(pApp, pWidget) {}
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CFFL_CheckBox::~CFFL_CheckBox() {}
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std::unique_ptr<CPWL_Wnd> CFFL_CheckBox::NewPWLWindow(
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const CPWL_Wnd::CreateParams& cp,
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std::unique_ptr<IPWL_SystemHandler::PerWindowData> pAttachedData) {
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auto pWnd = pdfium::MakeUnique<CPWL_CheckBox>(cp, std::move(pAttachedData));
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pWnd->Realize();
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pWnd->SetCheck(m_pWidget->IsChecked());
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return std::move(pWnd);
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}
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bool CFFL_CheckBox::OnKeyDown(uint32_t nKeyCode, uint32_t nFlags) {
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switch (nKeyCode) {
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case FWL_VKEY_Return:
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case FWL_VKEY_Space:
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return true;
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default:
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return CFFL_FormFiller::OnKeyDown(nKeyCode, nFlags);
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}
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}
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bool CFFL_CheckBox::OnChar(CPDFSDK_Annot* pAnnot,
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uint32_t nChar,
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uint32_t nFlags) {
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switch (nChar) {
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case FWL_VKEY_Return:
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case FWL_VKEY_Space: {
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CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
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ASSERT(pPageView);
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ObservedPtr<CPDFSDK_Annot> pObserved(m_pWidget.Get());
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if (m_pFormFillEnv->GetInteractiveFormFiller()->OnButtonUp(
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&pObserved, pPageView, nFlags)) {
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if (!pObserved)
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m_pWidget = nullptr;
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return true;
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}
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if (!pObserved) {
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m_pWidget = nullptr;
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return true;
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}
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CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
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CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
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if (pWnd) {
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CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
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pWnd->SetCheck(!pWidget->IsChecked());
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}
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return CommitData(pPageView, nFlags);
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}
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default:
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return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
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}
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}
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bool CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
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CPDFSDK_Annot* pAnnot,
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uint32_t nFlags,
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const CFX_PointF& point) {
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CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);
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if (!IsValid())
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return true;
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CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
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if (pWnd) {
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CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
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pWnd->SetCheck(!pWidget->IsChecked());
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}
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return CommitData(pPageView, nFlags);
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}
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bool CFFL_CheckBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
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CPWL_CheckBox* pWnd = GetCheckBox(pPageView, false);
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return pWnd && pWnd->IsChecked() != m_pWidget->IsChecked();
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}
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void CFFL_CheckBox::SaveData(CPDFSDK_PageView* pPageView) {
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CPWL_CheckBox* pWnd = GetCheckBox(pPageView, false);
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if (!pWnd)
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return;
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bool bNewChecked = pWnd->IsChecked();
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if (bNewChecked) {
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CPDF_FormField* pField = m_pWidget->GetFormField();
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for (int32_t i = 0, sz = pField->CountControls(); i < sz; i++) {
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if (CPDF_FormControl* pCtrl = pField->GetControl(i)) {
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if (pCtrl->IsChecked()) {
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break;
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}
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}
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}
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}
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ObservedPtr<CPDFSDK_Widget> observed_widget(m_pWidget.Get());
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ObservedPtr<CFFL_CheckBox> observed_this(this);
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m_pWidget->SetCheck(bNewChecked, NotificationOption::kDoNotNotify);
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if (!observed_widget)
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return;
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m_pWidget->UpdateField();
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if (!observed_widget || !observed_this)
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return;
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SetChangeMark();
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}
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CPWL_CheckBox* CFFL_CheckBox::GetCheckBox(CPDFSDK_PageView* pPageView,
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bool bNew) {
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return static_cast<CPWL_CheckBox*>(GetPWLWindow(pPageView, bNew));
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}
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