| // 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/cxfa_fftext.h" |
| |
| #include "xfa/fgas/layout/cfx_linkuserdata.h" |
| #include "xfa/fwl/fwl_widgethit.h" |
| #include "xfa/fxfa/cxfa_ffapp.h" |
| #include "xfa/fxfa/cxfa_ffdoc.h" |
| #include "xfa/fxfa/cxfa_ffpageview.h" |
| #include "xfa/fxfa/cxfa_ffwidget.h" |
| #include "xfa/fxfa/cxfa_pieceline.h" |
| #include "xfa/fxfa/cxfa_textlayout.h" |
| #include "xfa/fxfa/cxfa_textpiece.h" |
| #include "xfa/fxfa/parser/cxfa_margin.h" |
| #include "xfa/fxgraphics/cxfa_graphics.h" |
| |
| CXFA_FFText::CXFA_FFText(CXFA_Node* pNode) : CXFA_FFWidget(pNode) {} |
| |
| CXFA_FFText::~CXFA_FFText() = default; |
| |
| void CXFA_FFText::RenderWidget(CXFA_Graphics* pGS, |
| const CFX_Matrix& matrix, |
| HighlightOption highlight) { |
| if (!HasVisibleStatus()) |
| return; |
| |
| CFX_Matrix mtRotate = GetRotateMatrix(); |
| mtRotate.Concat(matrix); |
| |
| CXFA_FFWidget::RenderWidget(pGS, mtRotate, highlight); |
| |
| CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout(); |
| if (!pTextLayout) |
| return; |
| |
| CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice(); |
| CFX_RectF rtText = GetRectWithoutRotate(); |
| CXFA_Margin* margin = m_pNode->GetMarginIfExists(); |
| if (margin) { |
| CXFA_ContentLayoutItem* pItem = GetLayoutItem(); |
| if (!pItem->GetPrev() && !pItem->GetNext()) { |
| XFA_RectWithoutMargin(&rtText, margin); |
| } else { |
| float fTopInset = 0; |
| float fBottomInset = 0; |
| if (!pItem->GetPrev()) |
| fTopInset = margin->GetTopInset(); |
| else if (!pItem->GetNext()) |
| fBottomInset = margin->GetBottomInset(); |
| |
| rtText.Deflate(margin->GetLeftInset(), fTopInset, margin->GetRightInset(), |
| fBottomInset); |
| } |
| } |
| |
| CFX_Matrix mt(1, 0, 0, 1, rtText.left, rtText.top); |
| CFX_RectF rtClip = mtRotate.TransformRect(rtText); |
| mt.Concat(mtRotate); |
| pTextLayout->DrawString(pRenderDevice, mt, rtClip, |
| GetLayoutItem()->GetIndex()); |
| } |
| |
| bool CXFA_FFText::IsLoaded() { |
| CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout(); |
| return pTextLayout && !pTextLayout->HasBlock(); |
| } |
| |
| bool CXFA_FFText::PerformLayout() { |
| CXFA_FFWidget::PerformLayout(); |
| CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout(); |
| if (!pTextLayout) |
| return false; |
| if (!pTextLayout->HasBlock()) |
| return true; |
| |
| pTextLayout->ClearBlocks(); |
| CXFA_ContentLayoutItem* pItem = GetLayoutItem(); |
| if (!pItem->GetPrev() && !pItem->GetNext()) |
| return true; |
| |
| pItem = pItem->GetFirst(); |
| while (pItem) { |
| CFX_RectF rtText = pItem->GetRect(false); |
| CXFA_Margin* margin = m_pNode->GetMarginIfExists(); |
| if (margin) { |
| if (!pItem->GetPrev()) |
| rtText.height -= margin->GetTopInset(); |
| else if (!pItem->GetNext()) |
| rtText.height -= margin->GetBottomInset(); |
| } |
| pTextLayout->ItemBlocks(rtText, pItem->GetIndex()); |
| pItem = pItem->GetNext(); |
| } |
| pTextLayout->ResetHasBlock(); |
| return true; |
| } |
| |
| bool CXFA_FFText::AcceptsFocusOnButtonDown(uint32_t dwFlags, |
| const CFX_PointF& point, |
| FWL_MouseCommand command) { |
| if (command != FWL_MouseCommand::LeftButtonDown) |
| return false; |
| |
| if (!GetRectWithoutRotate().Contains(point)) |
| return false; |
| |
| const wchar_t* wsURLContent = GetLinkURLAtPoint(point); |
| if (!wsURLContent) |
| return false; |
| |
| return true; |
| } |
| |
| bool CXFA_FFText::OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) { |
| SetButtonDown(true); |
| return true; |
| } |
| |
| bool CXFA_FFText::OnMouseMove(uint32_t dwFlags, const CFX_PointF& point) { |
| return GetRectWithoutRotate().Contains(point) && !!GetLinkURLAtPoint(point); |
| } |
| |
| bool CXFA_FFText::OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point) { |
| if (!IsButtonDown()) |
| return false; |
| |
| SetButtonDown(false); |
| const wchar_t* wsURLContent = GetLinkURLAtPoint(point); |
| if (!wsURLContent) |
| return false; |
| |
| GetDoc()->GotoURL(wsURLContent); |
| return true; |
| } |
| |
| FWL_WidgetHit CXFA_FFText::HitTest(const CFX_PointF& point) { |
| if (!GetRectWithoutRotate().Contains(point)) |
| return FWL_WidgetHit::Unknown; |
| if (!GetLinkURLAtPoint(point)) |
| return FWL_WidgetHit::Unknown; |
| return FWL_WidgetHit::HyperLink; |
| } |
| |
| const wchar_t* CXFA_FFText::GetLinkURLAtPoint(const CFX_PointF& point) { |
| CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout(); |
| if (!pTextLayout) |
| return nullptr; |
| |
| CFX_RectF rect = GetRectWithoutRotate(); |
| for (const auto& pPieceLine : *pTextLayout->GetPieceLines()) { |
| for (const auto& pPiece : pPieceLine->m_textPieces) { |
| if (pPiece->pLinkData && |
| pPiece->rtPiece.Contains(point - rect.TopLeft())) { |
| return pPiece->pLinkData->GetLinkURL(); |
| } |
| } |
| } |
| return nullptr; |
| } |