1 // Copyright 2014 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "xfa/fxfa/cxfa_fftext.h"
8
9 #include "xfa/fgas/graphics/cfgas_gegraphics.h"
10 #include "xfa/fgas/layout/cfgas_linkuserdata.h"
11 #include "xfa/fwl/fwl_widgethit.h"
12 #include "xfa/fxfa/cxfa_ffapp.h"
13 #include "xfa/fxfa/cxfa_ffdoc.h"
14 #include "xfa/fxfa/cxfa_ffpageview.h"
15 #include "xfa/fxfa/cxfa_ffwidget.h"
16 #include "xfa/fxfa/cxfa_textlayout.h"
17 #include "xfa/fxfa/parser/cxfa_margin.h"
18
CXFA_FFText(CXFA_Node * pNode)19 CXFA_FFText::CXFA_FFText(CXFA_Node* pNode) : CXFA_FFWidget(pNode) {}
20
21 CXFA_FFText::~CXFA_FFText() = default;
22
RenderWidget(CFGAS_GEGraphics * pGS,const CFX_Matrix & matrix,HighlightOption highlight)23 void CXFA_FFText::RenderWidget(CFGAS_GEGraphics* pGS,
24 const CFX_Matrix& matrix,
25 HighlightOption highlight) {
26 if (!HasVisibleStatus())
27 return;
28
29 CFX_Matrix mtRotate = GetRotateMatrix();
30 mtRotate.Concat(matrix);
31
32 CXFA_FFWidget::RenderWidget(pGS, mtRotate, highlight);
33
34 CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout();
35 if (!pTextLayout)
36 return;
37
38 CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
39 CFX_RectF rtText = GetRectWithoutRotate();
40 CXFA_Margin* margin = m_pNode->GetMarginIfExists();
41 if (margin) {
42 CXFA_ContentLayoutItem* pItem = GetLayoutItem();
43 if (!pItem->GetPrev() && !pItem->GetNext()) {
44 XFA_RectWithoutMargin(&rtText, margin);
45 } else {
46 float fTopInset = 0;
47 float fBottomInset = 0;
48 if (!pItem->GetPrev())
49 fTopInset = margin->GetTopInset();
50 else if (!pItem->GetNext())
51 fBottomInset = margin->GetBottomInset();
52
53 rtText.Deflate(margin->GetLeftInset(), fTopInset, margin->GetRightInset(),
54 fBottomInset);
55 }
56 }
57
58 CFX_Matrix mt(1, 0, 0, 1, rtText.left, rtText.top);
59 CFX_RectF rtClip = mtRotate.TransformRect(rtText);
60 mt.Concat(mtRotate);
61 pTextLayout->DrawString(pRenderDevice, mt, rtClip,
62 GetLayoutItem()->GetIndex());
63 }
64
IsLoaded()65 bool CXFA_FFText::IsLoaded() {
66 CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout();
67 return pTextLayout && !pTextLayout->HasBlock();
68 }
69
PerformLayout()70 bool CXFA_FFText::PerformLayout() {
71 CXFA_FFWidget::PerformLayout();
72 CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout();
73 if (!pTextLayout)
74 return false;
75 if (!pTextLayout->HasBlock())
76 return true;
77
78 pTextLayout->ClearBlocks();
79 CXFA_ContentLayoutItem* pItem = GetLayoutItem();
80 if (!pItem->GetPrev() && !pItem->GetNext())
81 return true;
82
83 pItem = pItem->GetFirst();
84 while (pItem) {
85 CFX_RectF rtText = pItem->GetAbsoluteRect();
86 CXFA_Margin* margin = m_pNode->GetMarginIfExists();
87 if (margin) {
88 if (!pItem->GetPrev())
89 rtText.height -= margin->GetTopInset();
90 else if (!pItem->GetNext())
91 rtText.height -= margin->GetBottomInset();
92 }
93 pTextLayout->ItemBlocks(rtText, pItem->GetIndex());
94 pItem = pItem->GetNext();
95 }
96 pTextLayout->ResetHasBlock();
97 return true;
98 }
99
AcceptsFocusOnButtonDown(Mask<XFA_FWL_KeyFlag> dwFlags,const CFX_PointF & point,CFWL_MessageMouse::MouseCommand command)100 bool CXFA_FFText::AcceptsFocusOnButtonDown(
101 Mask<XFA_FWL_KeyFlag> dwFlags,
102 const CFX_PointF& point,
103 CFWL_MessageMouse::MouseCommand command) {
104 return command == CFWL_MessageMouse::MouseCommand::kLeftButtonDown &&
105 GetRectWithoutRotate().Contains(point) &&
106 !GetLinkURLAtPoint(point).IsEmpty();
107 }
108
OnLButtonDown(Mask<XFA_FWL_KeyFlag> dwFlags,const CFX_PointF & point)109 bool CXFA_FFText::OnLButtonDown(Mask<XFA_FWL_KeyFlag> dwFlags,
110 const CFX_PointF& point) {
111 SetButtonDown(true);
112 return true;
113 }
114
OnMouseMove(Mask<XFA_FWL_KeyFlag> dwFlags,const CFX_PointF & point)115 bool CXFA_FFText::OnMouseMove(Mask<XFA_FWL_KeyFlag> dwFlags,
116 const CFX_PointF& point) {
117 return GetRectWithoutRotate().Contains(point) &&
118 !GetLinkURLAtPoint(point).IsEmpty();
119 }
120
OnLButtonUp(Mask<XFA_FWL_KeyFlag> dwFlags,const CFX_PointF & point)121 bool CXFA_FFText::OnLButtonUp(Mask<XFA_FWL_KeyFlag> dwFlags,
122 const CFX_PointF& point) {
123 if (!IsButtonDown())
124 return false;
125
126 SetButtonDown(false);
127 WideString wsURLContent = GetLinkURLAtPoint(point);
128 if (wsURLContent.IsEmpty())
129 return false;
130
131 GetDoc()->GotoURL(wsURLContent);
132 return true;
133 }
134
HitTest(const CFX_PointF & point)135 FWL_WidgetHit CXFA_FFText::HitTest(const CFX_PointF& point) {
136 if (GetRectWithoutRotate().Contains(point) &&
137 !GetLinkURLAtPoint(point).IsEmpty()) {
138 return FWL_WidgetHit::HyperLink;
139 }
140 return FWL_WidgetHit::Unknown;
141 }
142
GetLinkURLAtPoint(const CFX_PointF & point)143 WideString CXFA_FFText::GetLinkURLAtPoint(const CFX_PointF& point) {
144 CXFA_TextLayout* pTextLayout = m_pNode->GetTextLayout();
145 if (!pTextLayout)
146 return WideString();
147
148 CFX_RectF rect = GetRectWithoutRotate();
149 return pTextLayout->GetLinkURLAtPoint(point - rect.TopLeft());
150 }
151