237 lines
8.2 KiB
C++
237 lines
8.2 KiB
C++
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// Copyright 2014 The PDFium Authors
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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 "xfa/fxfa/cxfa_ffwidgethandler.h"
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#include "fxjs/xfa/cjx_object.h"
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#include "xfa/fxfa/cxfa_ffdoc.h"
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#include "xfa/fxfa/cxfa_ffdocview.h"
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#include "xfa/fxfa/cxfa_fffield.h"
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#include "xfa/fxfa/cxfa_ffwidget.h"
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#include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h"
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#include "xfa/fxfa/layout/cxfa_layoutprocessor.h"
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#include "xfa/fxfa/parser/cxfa_calculate.h"
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#include "xfa/fxfa/parser/cxfa_checkbutton.h"
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#include "xfa/fxfa/parser/cxfa_measurement.h"
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#include "xfa/fxfa/parser/cxfa_node.h"
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#include "xfa/fxfa/parser/cxfa_ui.h"
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#include "xfa/fxfa/parser/cxfa_validate.h"
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CXFA_FFWidgetHandler::CXFA_FFWidgetHandler(CXFA_FFDocView* pDocView)
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: m_pDocView(pDocView) {}
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CXFA_FFWidgetHandler::~CXFA_FFWidgetHandler() = default;
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void CXFA_FFWidgetHandler::Trace(cppgc::Visitor* visitor) const {
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visitor->Trace(m_pDocView);
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}
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bool CXFA_FFWidgetHandler::OnMouseEnter(CXFA_FFWidget* hWidget) {
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CXFA_FFDocView::UpdateScope scope(m_pDocView);
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return hWidget->OnMouseEnter();
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}
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bool CXFA_FFWidgetHandler::OnMouseExit(CXFA_FFWidget* hWidget) {
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CXFA_FFDocView::UpdateScope scope(m_pDocView);
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return hWidget->OnMouseExit();
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}
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bool CXFA_FFWidgetHandler::OnLButtonDown(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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CXFA_FFDocView::UpdateScope scope(m_pDocView);
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if (!hWidget->AcceptsFocusOnButtonDown(
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dwFlags, hWidget->Rotate2Normal(point),
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CFWL_MessageMouse::MouseCommand::kLeftButtonDown)) {
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return false;
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}
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// May re-enter JS.
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if (m_pDocView->SetFocus(hWidget))
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m_pDocView->GetDoc()->SetFocusWidget(hWidget);
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return hWidget->OnLButtonDown(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnLButtonUp(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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CXFA_FFDocView::UpdateScope scope(m_pDocView);
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m_pDocView->SetLayoutEvent();
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return hWidget->OnLButtonUp(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnLButtonDblClk(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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return hWidget->OnLButtonDblClk(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnMouseMove(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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return hWidget->OnMouseMove(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnMouseWheel(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point,
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const CFX_Vector& delta) {
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return hWidget->OnMouseWheel(dwFlags, hWidget->Rotate2Normal(point), delta);
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}
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bool CXFA_FFWidgetHandler::OnRButtonDown(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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if (!hWidget->AcceptsFocusOnButtonDown(
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dwFlags, hWidget->Rotate2Normal(point),
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CFWL_MessageMouse::MouseCommand::kRightButtonDown)) {
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return false;
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}
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// May re-enter JS.
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if (m_pDocView->SetFocus(hWidget)) {
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m_pDocView->GetDoc()->SetFocusWidget(hWidget);
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}
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return hWidget->OnRButtonDown(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnRButtonUp(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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return hWidget->OnRButtonUp(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnRButtonDblClk(CXFA_FFWidget* hWidget,
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Mask<XFA_FWL_KeyFlag> dwFlags,
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const CFX_PointF& point) {
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return hWidget->OnRButtonDblClk(dwFlags, hWidget->Rotate2Normal(point));
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}
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bool CXFA_FFWidgetHandler::OnKeyDown(CXFA_FFWidget* hWidget,
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XFA_FWL_VKEYCODE dwKeyCode,
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Mask<XFA_FWL_KeyFlag> dwFlags) {
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bool bRet = hWidget->OnKeyDown(dwKeyCode, dwFlags);
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m_pDocView->UpdateDocView();
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return bRet;
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}
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bool CXFA_FFWidgetHandler::OnChar(CXFA_FFWidget* hWidget,
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uint32_t dwChar,
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Mask<XFA_FWL_KeyFlag> dwFlags) {
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return hWidget->OnChar(dwChar, dwFlags);
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}
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WideString CXFA_FFWidgetHandler::GetText(CXFA_FFWidget* widget) {
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return widget->GetText();
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}
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WideString CXFA_FFWidgetHandler::GetSelectedText(CXFA_FFWidget* widget) {
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if (!widget->CanCopy())
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return WideString();
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return widget->Copy().value_or(WideString());
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}
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void CXFA_FFWidgetHandler::PasteText(CXFA_FFWidget* widget,
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const WideString& text) {
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if (!widget->CanPaste())
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return;
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widget->Paste(text);
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}
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bool CXFA_FFWidgetHandler::SelectAllText(CXFA_FFWidget* widget) {
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if (!widget->CanSelectAll())
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return false;
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widget->SelectAll();
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return true;
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}
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bool CXFA_FFWidgetHandler::CanUndo(CXFA_FFWidget* widget) {
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return widget->CanUndo();
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}
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bool CXFA_FFWidgetHandler::CanRedo(CXFA_FFWidget* widget) {
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return widget->CanRedo();
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}
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bool CXFA_FFWidgetHandler::Undo(CXFA_FFWidget* widget) {
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return widget->Undo();
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}
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bool CXFA_FFWidgetHandler::Redo(CXFA_FFWidget* widget) {
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return widget->Redo();
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}
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FWL_WidgetHit CXFA_FFWidgetHandler::HitTest(CXFA_FFWidget* pWidget,
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const CFX_PointF& point) {
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if (!pWidget->GetLayoutItem()->TestStatusBits(XFA_WidgetStatus::kVisible))
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return FWL_WidgetHit::Unknown;
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return pWidget->HitTest(pWidget->Rotate2Normal(point));
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}
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void CXFA_FFWidgetHandler::RenderWidget(CXFA_FFWidget* hWidget,
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CFGAS_GEGraphics* pGS,
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const CFX_Matrix& matrix,
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bool bHighlight) {
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hWidget->RenderWidget(
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pGS, matrix,
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bHighlight ? CXFA_FFWidget::kHighlight : CXFA_FFWidget::kNoHighlight);
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}
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bool CXFA_FFWidgetHandler::HasEvent(CXFA_Node* pNode,
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XFA_EVENTTYPE eEventType) {
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if (eEventType == XFA_EVENT_Unknown)
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return false;
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if (!pNode || pNode->GetElementType() == XFA_Element::Draw)
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return false;
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switch (eEventType) {
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case XFA_EVENT_Calculate: {
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CXFA_Calculate* calc = pNode->GetCalculateIfExists();
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return calc && calc->GetScriptIfExists();
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}
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case XFA_EVENT_Validate: {
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CXFA_Validate* validate = pNode->GetValidateIfExists();
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return validate && validate->GetScriptIfExists();
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}
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default:
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break;
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}
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return !pNode->GetEventByActivity(kXFAEventActivity[eEventType], false)
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.empty();
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}
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XFA_EventError CXFA_FFWidgetHandler::ProcessEvent(CXFA_Node* pNode,
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CXFA_EventParam* pParam) {
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if (!pParam || pParam->m_eType == XFA_EVENT_Unknown)
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return XFA_EventError::kNotExist;
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if (!pNode || pNode->GetElementType() == XFA_Element::Draw)
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return XFA_EventError::kNotExist;
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switch (pParam->m_eType) {
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case XFA_EVENT_Calculate:
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return pNode->ProcessCalculate(m_pDocView.Get());
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case XFA_EVENT_Validate:
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if (m_pDocView->GetDoc()->IsValidationsEnabled())
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return pNode->ProcessValidate(m_pDocView.Get(), 0);
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return XFA_EventError::kDisabled;
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case XFA_EVENT_InitCalculate: {
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CXFA_Calculate* calc = pNode->GetCalculateIfExists();
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if (!calc)
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return XFA_EventError::kNotExist;
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if (pNode->IsUserInteractive())
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return XFA_EventError::kDisabled;
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return pNode->ExecuteScript(m_pDocView.Get(), calc->GetScriptIfExists(),
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pParam);
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}
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default:
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break;
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}
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return pNode->ProcessEvent(m_pDocView.Get(),
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kXFAEventActivity[pParam->m_eType], pParam);
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}
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