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// Copyright 2014 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 "xfa/fxfa/app/xfa_fftext.h"
#include "xfa/fwl/fwl_widgetdef.h"
#include "xfa/fwl/fwl_widgethit.h"
#include "xfa/fxfa/app/cxfa_linkuserdata.h"
#include "xfa/fxfa/app/cxfa_pieceline.h"
#include "xfa/fxfa/app/cxfa_textlayout.h"
#include "xfa/fxfa/app/xfa_ffdraw.h"
#include "xfa/fxfa/app/xfa_textpiece.h"
#include "xfa/fxfa/xfa_ffapp.h"
#include "xfa/fxfa/xfa_ffdoc.h"
#include "xfa/fxfa/xfa_ffpageview.h"
#include "xfa/fxfa/xfa_ffwidget.h"
#include "xfa/fxgraphics/cfx_graphics.h"
CXFA_FFText::CXFA_FFText(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
CXFA_FFText::~CXFA_FFText() {}
void CXFA_FFText::RenderWidget(CFX_Graphics* pGS,
CFX_Matrix* pMatrix,
uint32_t dwStatus) {
if (!IsMatchVisibleStatus(dwStatus)) {
return;
}
{
CFX_Matrix mtRotate;
GetRotateMatrix(mtRotate);
if (pMatrix) {
mtRotate.Concat(*pMatrix);
}
CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (pTextLayout) {
CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
CFX_RectF rtText;
GetRectWithoutRotate(rtText);
if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
CXFA_LayoutItem* pItem = this;
if (!pItem->GetPrev() && !pItem->GetNext()) {
XFA_RectWidthoutMargin(rtText, mgWidget);
} else {
FX_FLOAT fLeftInset, fRightInset, fTopInset = 0, fBottomInset = 0;
mgWidget.GetLeftInset(fLeftInset);
mgWidget.GetRightInset(fRightInset);
if (!pItem->GetPrev()) {
mgWidget.GetTopInset(fTopInset);
} else if (!pItem->GetNext()) {
mgWidget.GetBottomInset(fBottomInset);
}
rtText.Deflate(fLeftInset, fTopInset, fRightInset, fBottomInset);
}
}
CFX_Matrix mt;
mt.Set(1, 0, 0, 1, rtText.left, rtText.top);
CFX_RectF rtClip = rtText;
mtRotate.TransformRect(rtClip);
mt.Concat(mtRotate);
pTextLayout->DrawString(pRenderDevice, mt, rtClip, GetIndex());
}
}
}
bool CXFA_FFText::IsLoaded() {
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
return pTextLayout && !pTextLayout->m_bHasBlock;
}
bool CXFA_FFText::PerformLayout() {
CXFA_FFDraw::PerformLayout();
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (!pTextLayout) {
return false;
}
if (!pTextLayout->m_bHasBlock) {
return true;
}
pTextLayout->m_Blocks.RemoveAll();
CXFA_LayoutItem* pItem = this;
if (!pItem->GetPrev() && !pItem->GetNext()) {
return true;
}
pItem = pItem->GetFirst();
while (pItem) {
CFX_RectF rtText;
pItem->GetRect(rtText);
if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
if (!pItem->GetPrev()) {
FX_FLOAT fTopInset;
mgWidget.GetTopInset(fTopInset);
rtText.height -= fTopInset;
} else if (!pItem->GetNext()) {
FX_FLOAT fBottomInset;
mgWidget.GetBottomInset(fBottomInset);
rtText.height -= fBottomInset;
}
}
pTextLayout->ItemBlocks(rtText, pItem->GetIndex());
pItem = pItem->GetNext();
}
pTextLayout->m_bHasBlock = false;
return true;
}
bool CXFA_FFText::OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
CFX_RectF rtBox;
GetRectWithoutRotate(rtBox);
if (!rtBox.Contains(fx, fy)) {
return false;
}
const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
if (!wsURLContent) {
return false;
}
SetButtonDown(true);
return true;
}
bool CXFA_FFText::OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
CFX_RectF rtBox;
GetRectWithoutRotate(rtBox);
if (!rtBox.Contains(fx, fy)) {
return false;
}
const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
if (!wsURLContent) {
return false;
}
return true;
}
bool CXFA_FFText::OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) {
if (!IsButtonDown()) {
return false;
}
SetButtonDown(false);
const FX_WCHAR* wsURLContent = GetLinkURLAtPoint(fx, fy);
if (!wsURLContent) {
return false;
}
CXFA_FFDoc* pDoc = GetDoc();
pDoc->GetDocEnvironment()->GotoURL(pDoc, wsURLContent);
return true;
}
FWL_WidgetHit CXFA_FFText::OnHitTest(FX_FLOAT fx, FX_FLOAT fy) {
CFX_RectF rtBox;
GetRectWithoutRotate(rtBox);
if (!rtBox.Contains(fx, fy))
return FWL_WidgetHit::Unknown;
if (!GetLinkURLAtPoint(fx, fy))
return FWL_WidgetHit::Unknown;
return FWL_WidgetHit::HyperLink;
}
const FX_WCHAR* CXFA_FFText::GetLinkURLAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
if (!pTextLayout)
return nullptr;
FX_FLOAT x(fx);
FX_FLOAT y(fy);
FWLToClient(x, y);
for (const auto& pPieceLine : *pTextLayout->GetPieceLines()) {
for (const auto& pPiece : pPieceLine->m_textPieces) {
if (pPiece->pLinkData && pPiece->rtPiece.Contains(x, y))
return pPiece->pLinkData->GetLinkURL();
}
}
return nullptr;
}
void CXFA_FFText::FWLToClient(FX_FLOAT& fx, FX_FLOAT& fy) {
CFX_RectF rtWidget;
GetRectWithoutRotate(rtWidget);
fx -= rtWidget.left;
fy -= rtWidget.top;
}
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