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android13/external/pdfium/fpdfsdk/fpdfxfa/cpdfxfa_widgethandler.cpp

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// Copyright 2016 PDFium Authors. All rights reserved.
// 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/fpdfxfa/cpdfxfa_widgethandler.h"
#include "fpdfsdk/cpdfsdk_annot.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_interactiveform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_widget.h"
#include "public/fpdf_fwlevent.h"
#include "xfa/fwl/cfwl_app.h"
#include "xfa/fwl/fwl_widgetdef.h"
#include "xfa/fwl/fwl_widgethit.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
#include "xfa/fxfa/fxfa_basic.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxgraphics/cxfa_graphics.h"
#define CHECK_FWL_VKEY_ENUM____(name) \
static_assert(static_cast<int>(name) == static_cast<int>(XFA_##name), \
"FWL_VKEYCODE enum mismatch")
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Back);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Tab);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NewLine);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Clear);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Return);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Shift);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Control);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Menu);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Pause);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Capital);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Kana);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Hangul);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Junja);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Final);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Hanja);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Kanji);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Escape);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Convert);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NonConvert);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Accept);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_ModeChange);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Space);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Prior);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Next);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_End);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Home);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Left);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Up);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Right);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Down);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Select);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Print);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Execute);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Snapshot);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Insert);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Delete);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Help);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_0);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_2);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_3);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_4);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_5);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_6);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_7);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_8);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_9);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_A);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_B);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_C);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_D);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_E);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_G);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_H);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_I);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_J);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_K);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_L);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_M);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_N);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_O);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_P);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Q);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_R);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_S);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_T);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_U);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_V);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_W);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_X);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Y);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Z);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_LWin);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Command);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_RWin);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Apps);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Sleep);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad0);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad2);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad3);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad4);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad5);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad6);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad7);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad8);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NumPad9);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Multiply);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Add);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Separator);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Subtract);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Decimal);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Divide);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F2);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F3);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F4);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F5);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F6);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F7);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F8);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F9);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F10);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F11);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F12);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F13);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F14);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F15);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F16);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F17);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F18);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F19);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F20);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F21);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F22);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F23);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_F24);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NunLock);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Scroll);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_LShift);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_RShift);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_LControl);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_RControl);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_LMenu);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_RMenu);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Back);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Forward);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Refresh);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Stop);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Search);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Favorites);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_BROWSER_Home);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_VOLUME_Mute);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_VOLUME_Down);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_VOLUME_Up);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_NEXT_Track);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_PREV_Track);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_Stop);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_PLAY_Pause);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_LAUNCH_Mail);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_LAUNCH_MEDIA_Select);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_LAUNCH_APP1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_MEDIA_LAUNCH_APP2);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_Plus);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_Comma);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_Minus);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_Period);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_2);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_3);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_4);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_5);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_6);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_7);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_8);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_102);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_ProcessKey);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Packet);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Attn);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Crsel);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Exsel);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Ereof);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Play);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Zoom);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_NoName);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_PA1);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_OEM_Clear);
CHECK_FWL_VKEY_ENUM____(FWL_VKEY_Unknown);
#undef CHECK_FWL_VKEY_ENUM____
CPDFXFA_WidgetHandler::CPDFXFA_WidgetHandler() = default;
CPDFXFA_WidgetHandler::~CPDFXFA_WidgetHandler() = default;
void CPDFXFA_WidgetHandler::SetFormFillEnvironment(
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
m_pFormFillEnv = pFormFillEnv;
}
bool CPDFXFA_WidgetHandler::CanAnswer(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pWidget = ToXFAWidget(pAnnot);
return pWidget && pWidget->GetXFAFFWidget();
}
CPDFSDK_Annot* CPDFXFA_WidgetHandler::NewAnnot(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPage) {
return nullptr;
}
std::unique_ptr<CPDFSDK_Annot> CPDFXFA_WidgetHandler::NewAnnotForXFA(
CXFA_FFWidget* pAnnot,
CPDFSDK_PageView* pPage) {
CPDFSDK_InteractiveForm* pForm = m_pFormFillEnv->GetInteractiveForm();
return pdfium::MakeUnique<CPDFXFA_Widget>(pAnnot, pPage, pForm);
}
void CPDFXFA_WidgetHandler::OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
bool bDrawAnnots) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
ASSERT(pXFAWidget);
bool bIsHighlight = false;
if (pPageView->GetFormFillEnv()->GetFocusAnnot() != pAnnot)
bIsHighlight = true;
CXFA_Graphics gs(pDevice);
GetXFAFFWidgetHandler(pXFAWidget)
->RenderWidget(pXFAWidget->GetXFAFFWidget(), &gs, mtUser2Device,
bIsHighlight);
// to do highlight and shadow
}
void CPDFXFA_WidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
void CPDFXFA_WidgetHandler::ReleaseAnnot(
std::unique_ptr<CPDFSDK_Annot> pAnnot) {}
CFX_FloatRect CPDFXFA_WidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
CXFA_Node* node = pXFAWidget->GetXFAFFWidget()->GetNode();
ASSERT(node->IsWidgetReady());
CFX_RectF rcBBox = pXFAWidget->GetXFAFFWidget()->GetBBox(
node->GetFFWidgetType() == XFA_FFWidgetType::kSignature
? CXFA_FFWidget::kDrawFocus
: CXFA_FFWidget::kDoNotDrawFocus);
CFX_FloatRect rcWidget = rcBBox.ToFloatRect();
rcWidget.Inflate(1.0f, 1.0f);
return rcWidget;
}
WideString CPDFXFA_WidgetHandler::GetText(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return WideString();
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->GetText(pXFAWidget->GetXFAFFWidget());
}
WideString CPDFXFA_WidgetHandler::GetSelectedText(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return WideString();
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->GetSelectedText(pXFAWidget->GetXFAFFWidget());
}
void CPDFXFA_WidgetHandler::ReplaceSelection(CPDFSDK_Annot* pAnnot,
const WideString& text) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->PasteText(pXFAWidget->GetXFAFFWidget(), text);
}
bool CPDFXFA_WidgetHandler::CanUndo(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->CanUndo(pXFAWidget->GetXFAFFWidget());
}
bool CPDFXFA_WidgetHandler::CanRedo(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->CanRedo(pXFAWidget->GetXFAFFWidget());
}
bool CPDFXFA_WidgetHandler::Undo(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->Undo(pXFAWidget->GetXFAFFWidget());
}
bool CPDFXFA_WidgetHandler::Redo(CPDFSDK_Annot* pAnnot) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->Redo(pXFAWidget->GetXFAFFWidget());
}
bool CPDFXFA_WidgetHandler::HitTest(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
if (!pFormFillEnv)
return false;
auto* pContext =
static_cast<CPDFXFA_Context*>(pFormFillEnv->GetDocExtension());
if (!pContext)
return false;
CXFA_FFDocView* pDocView = pContext->GetXFADocView();
if (!pDocView)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler();
return pWidgetHandler &&
pWidgetHandler->HitTest(pXFAWidget->GetXFAFFWidget(), point) !=
FWL_WidgetHit::Unknown;
}
void CPDFXFA_WidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlag) {
if (!pPageView)
return;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
pWidgetHandler->OnMouseEnter(pXFAWidget->GetXFAFFWidget());
}
void CPDFXFA_WidgetHandler::OnMouseExit(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlag) {
if (!pPageView)
return;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
pWidgetHandler->OnMouseExit(pXFAWidget->GetXFAFFWidget());
}
bool CPDFXFA_WidgetHandler::OnLButtonDown(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnLButtonDown(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnLButtonUp(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnLButtonUp(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnLButtonDblClk(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnMouseMove(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnMouseMove(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnMouseWheel(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
short zDelta,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnMouseWheel(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), zDelta, point);
}
bool CPDFXFA_WidgetHandler::OnRButtonDown(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnRButtonDown(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnRButtonUp(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnRButtonUp(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnRButtonDblClk(CPDFSDK_PageView* pPageView,
ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
if (!pPageView)
return false;
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnRButtonDblClk(pXFAWidget->GetXFAFFWidget(),
GetFWLFlags(nFlags), point);
}
bool CPDFXFA_WidgetHandler::OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnChar(pXFAWidget->GetXFAFFWidget(), nChar,
GetFWLFlags(nFlags));
}
bool CPDFXFA_WidgetHandler::OnKeyDown(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnKeyDown(pXFAWidget->GetXFAFFWidget(), nKeyCode,
GetFWLFlags(nFlag));
}
bool CPDFXFA_WidgetHandler::OnKeyUp(CPDFSDK_Annot* pAnnot,
int nKeyCode,
int nFlag) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot);
if (!pXFAWidget)
return false;
CXFA_FFWidgetHandler* pWidgetHandler = GetXFAFFWidgetHandler(pXFAWidget);
return pWidgetHandler->OnKeyUp(pXFAWidget->GetXFAFFWidget(), nKeyCode,
GetFWLFlags(nFlag));
}
bool CPDFXFA_WidgetHandler::OnSetFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlag) {
return true;
}
bool CPDFXFA_WidgetHandler::OnKillFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot,
uint32_t nFlag) {
CPDFXFA_Widget* pXFAWidget = ToXFAWidget(pAnnot->Get());
if (!pXFAWidget)
return true;
CXFA_FFWidget* hWidget = pXFAWidget->GetXFAFFWidget();
if (!hWidget)
return true;
CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
if (!pXFAPageView)
return true;
pXFAPageView->GetDocView()->SetFocus(nullptr);
return true;
}
bool CPDFXFA_WidgetHandler::OnXFAChangedFocus(
ObservedPtr<CPDFSDK_Annot>* pOldAnnot,
ObservedPtr<CPDFSDK_Annot>* pNewAnnot) {
CXFA_FFWidgetHandler* pWidgetHandler = nullptr;
if (pOldAnnot->HasObservable())
pWidgetHandler = GetXFAFFWidgetHandler(pOldAnnot->Get());
else if (pNewAnnot->HasObservable())
pWidgetHandler = GetXFAFFWidgetHandler(pNewAnnot->Get());
if (!pWidgetHandler)
return true;
CPDFXFA_Widget* pNewXFAWidget = ToXFAWidget(pNewAnnot->Get());
if (!pNewXFAWidget)
return true;
CXFA_FFWidget* hWidget = pNewXFAWidget->GetXFAFFWidget();
if (!hWidget)
return true;
CXFA_FFPageView* pXFAPageView = hWidget->GetPageView();
if (!pXFAPageView)
return true;
ObservedPtr<CXFA_FFPageView> pObservedXFAPageView(pXFAPageView);
bool bRet = pXFAPageView->GetDocView()->SetFocus(hWidget);
// Check |pXFAPageView| again because |SetFocus| can trigger JS to destroy it.
if (pObservedXFAPageView &&
pXFAPageView->GetDocView()->GetFocusWidget() == hWidget) {
bRet = true;
}
return bRet;
}
bool CPDFXFA_WidgetHandler::SetIndexSelected(ObservedPtr<CPDFSDK_Annot>* pAnnot,
int index,
bool selected) {
return false;
}
bool CPDFXFA_WidgetHandler::IsIndexSelected(ObservedPtr<CPDFSDK_Annot>* pAnnot,
int index) {
return false;
}
CXFA_FFWidgetHandler* CPDFXFA_WidgetHandler::GetXFAFFWidgetHandler(
CPDFSDK_Annot* pAnnot) {
if (!pAnnot)
return nullptr;
CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
if (!pPageView)
return nullptr;
CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
if (!pFormFillEnv)
return nullptr;
auto* pDoc = static_cast<CPDFXFA_Context*>(pFormFillEnv->GetDocExtension());
if (!pDoc)
return nullptr;
CXFA_FFDocView* pDocView = pDoc->GetXFADocView();
if (!pDocView)
return nullptr;
return pDocView->GetWidgetHandler();
}
uint32_t CPDFXFA_WidgetHandler::GetFWLFlags(uint32_t dwFlag) {
uint32_t dwFWLFlag = 0;
if (dwFlag & FWL_EVENTFLAG_ControlKey)
dwFWLFlag |= FWL_KEYFLAG_Ctrl;
if (dwFlag & FWL_EVENTFLAG_LeftButtonDown)
dwFWLFlag |= FWL_KEYFLAG_LButton;
if (dwFlag & FWL_EVENTFLAG_MiddleButtonDown)
dwFWLFlag |= FWL_KEYFLAG_MButton;
if (dwFlag & FWL_EVENTFLAG_RightButtonDown)
dwFWLFlag |= FWL_KEYFLAG_RButton;
if (dwFlag & FWL_EVENTFLAG_ShiftKey)
dwFWLFlag |= FWL_KEYFLAG_Shift;
if (dwFlag & FWL_EVENTFLAG_AltKey)
dwFWLFlag |= FWL_KEYFLAG_Alt;
return dwFWLFlag;
}
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