blob: 527720e0c165b4fa7eb222c481f5e6d7e413e081 [file] [log] [blame]
// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fpdfsdk/formfiller/cffl_checkbox.h"
#include <utility>
#include "constants/ascii.h"
#include "core/fpdfdoc/cpdf_formcontrol.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/formfiller/cffl_formfield.h"
#include "fpdfsdk/pwl/cpwl_special_button.h"
#include "public/fpdf_fwlevent.h"
#include "third_party/base/check.h"
CFFL_CheckBox::CFFL_CheckBox(CFFL_InteractiveFormFiller* pFormFiller,
CPDFSDK_Widget* pWidget)
: CFFL_Button(pFormFiller, pWidget) {}
CFFL_CheckBox::~CFFL_CheckBox() = default;
std::unique_ptr<CPWL_Wnd> CFFL_CheckBox::NewPWLWindow(
const CPWL_Wnd::CreateParams& cp,
std::unique_ptr<IPWL_FillerNotify::PerWindowData> pAttachedData) {
auto pWnd = std::make_unique<CPWL_CheckBox>(cp, std::move(pAttachedData));
pWnd->Realize();
pWnd->SetCheck(m_pWidget->IsChecked());
return std::move(pWnd);
}
bool CFFL_CheckBox::OnKeyDown(FWL_VKEYCODE nKeyCode,
Mask<FWL_EVENTFLAG> nFlags) {
switch (nKeyCode) {
case FWL_VKEY_Return:
case FWL_VKEY_Space:
return true;
default:
return CFFL_FormField::OnKeyDown(nKeyCode, nFlags);
}
}
bool CFFL_CheckBox::OnChar(CPDFSDK_Widget* pWidget,
uint32_t nChar,
Mask<FWL_EVENTFLAG> nFlags) {
switch (nChar) {
case pdfium::ascii::kReturn:
case pdfium::ascii::kSpace: {
CPDFSDK_PageView* pPageView = pWidget->GetPageView();
DCHECK(pPageView);
ObservedPtr<CPDFSDK_Widget> pObserved(m_pWidget);
if (m_pFormFiller->OnButtonUp(pObserved, pPageView, nFlags)) {
if (!pObserved)
m_pWidget = nullptr;
return true;
}
if (!pObserved) {
m_pWidget = nullptr;
return true;
}
CFFL_FormField::OnChar(pWidget, nChar, nFlags);
CPWL_CheckBox* pWnd = CreateOrUpdatePWLCheckBox(pPageView);
if (pWnd && !pWnd->IsReadOnly()) {
ObservedPtr<CPWL_CheckBox> pObservedBox(pWnd);
const bool is_checked = pWidget->IsChecked();
if (pObservedBox) {
pObservedBox->SetCheck(!is_checked);
}
}
return CommitData(pPageView, nFlags);
}
default:
return CFFL_FormField::OnChar(pWidget, nChar, nFlags);
}
}
bool CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Widget* pWidget,
Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point) {
CFFL_Button::OnLButtonUp(pPageView, pWidget, nFlags, point);
if (!IsValid()) {
return true;
}
CPWL_CheckBox* pWnd = CreateOrUpdatePWLCheckBox(pPageView);
if (pWnd) {
ObservedPtr<CPWL_CheckBox> pObservedBox(pWnd);
const bool is_checked = pWidget->IsChecked();
if (pObservedBox) {
pObservedBox->SetCheck(!is_checked);
}
}
return CommitData(pPageView, nFlags);
}
bool CFFL_CheckBox::IsDataChanged(const CPDFSDK_PageView* pPageView) {
CPWL_CheckBox* pWnd = GetPWLCheckBox(pPageView);
return pWnd && pWnd->IsChecked() != m_pWidget->IsChecked();
}
void CFFL_CheckBox::SaveData(const CPDFSDK_PageView* pPageView) {
CPWL_CheckBox* pWnd = GetPWLCheckBox(pPageView);
if (!pWnd)
return;
bool bNewChecked = pWnd->IsChecked();
ObservedPtr<CPDFSDK_Widget> observed_widget(m_pWidget);
ObservedPtr<CFFL_CheckBox> observed_this(this);
m_pWidget->SetCheck(bNewChecked);
if (!observed_widget)
return;
m_pWidget->UpdateField();
if (!observed_widget || !observed_this)
return;
SetChangeMark();
}
CPWL_CheckBox* CFFL_CheckBox::GetPWLCheckBox(
const CPDFSDK_PageView* pPageView) const {
return static_cast<CPWL_CheckBox*>(GetPWLWindow(pPageView));
}
CPWL_CheckBox* CFFL_CheckBox::CreateOrUpdatePWLCheckBox(
const CPDFSDK_PageView* pPageView) {
return static_cast<CPWL_CheckBox*>(CreateOrUpdatePWLWindow(pPageView));
}