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_fwltheme.h"
8
9 #include "core/fxcrt/fx_codepage.h"
10 #include "xfa/fde/cfde_textout.h"
11 #include "xfa/fgas/font/cfgas_fontmgr.h"
12 #include "xfa/fgas/font/cfgas_gefont.h"
13 #include "xfa/fgas/font/cfgas_gemodule.h"
14 #include "xfa/fgas/graphics/cfgas_gecolor.h"
15 #include "xfa/fwl/cfwl_barcode.h"
16 #include "xfa/fwl/cfwl_caret.h"
17 #include "xfa/fwl/cfwl_checkbox.h"
18 #include "xfa/fwl/cfwl_combobox.h"
19 #include "xfa/fwl/cfwl_datetimepicker.h"
20 #include "xfa/fwl/cfwl_edit.h"
21 #include "xfa/fwl/cfwl_listbox.h"
22 #include "xfa/fwl/cfwl_monthcalendar.h"
23 #include "xfa/fwl/cfwl_picturebox.h"
24 #include "xfa/fwl/cfwl_pushbutton.h"
25 #include "xfa/fwl/cfwl_scrollbar.h"
26 #include "xfa/fwl/cfwl_themebackground.h"
27 #include "xfa/fwl/cfwl_themetext.h"
28 #include "xfa/fwl/theme/cfwl_widgettp.h"
29 #include "xfa/fxfa/cxfa_ffapp.h"
30 #include "xfa/fxfa/cxfa_ffwidget.h"
31 #include "xfa/fxfa/cxfa_fontmgr.h"
32 #include "xfa/fxfa/parser/cxfa_para.h"
33
34 namespace pdfium {
35
36 namespace {
37
38 constexpr const wchar_t* kFWLThemeCalFonts[] = {
39 L"Arial",
40 L"Courier New",
41 L"DejaVu Sans",
42 };
43
44 const float kLineHeight = 12.0f;
45
GetOutmostFFWidget(CFWL_Widget * pWidget)46 CXFA_FFWidget* GetOutmostFFWidget(CFWL_Widget* pWidget) {
47 CFWL_Widget* pOuter = pWidget ? pWidget->GetOutmost() : nullptr;
48 return pOuter ? static_cast<CXFA_FFWidget*>(pOuter->GetAdapterIface())
49 : nullptr;
50 }
51
52 } // namespace
53
CXFA_FWLTheme(cppgc::Heap * pHeap,CXFA_FFApp * pApp)54 CXFA_FWLTheme::CXFA_FWLTheme(cppgc::Heap* pHeap, CXFA_FFApp* pApp)
55 : IFWL_ThemeProvider(pHeap),
56 m_pTextOut(std::make_unique<CFDE_TextOut>()),
57 m_pApp(pApp) {}
58
59 CXFA_FWLTheme::~CXFA_FWLTheme() = default;
60
PreFinalize()61 void CXFA_FWLTheme::PreFinalize() {
62 m_pTextOut.reset();
63 }
64
Trace(cppgc::Visitor * visitor) const65 void CXFA_FWLTheme::Trace(cppgc::Visitor* visitor) const {
66 IFWL_ThemeProvider::Trace(visitor);
67 visitor->Trace(m_pApp);
68 }
69
LoadCalendarFont(CXFA_FFDoc * doc)70 bool CXFA_FWLTheme::LoadCalendarFont(CXFA_FFDoc* doc) {
71 if (m_pCalendarFont)
72 return true;
73
74 for (const wchar_t* font : kFWLThemeCalFonts) {
75 m_pCalendarFont = m_pApp->GetXFAFontMgr()->GetFont(doc, font, 0);
76 if (m_pCalendarFont)
77 return true;
78 }
79
80 m_pCalendarFont = CFGAS_GEModule::Get()->GetFontMgr()->GetFontByCodePage(
81 FX_CodePage::kMSWin_WesternEuropean, 0, nullptr);
82 return !!m_pCalendarFont;
83 }
84
DrawBackground(const CFWL_ThemeBackground & pParams)85 void CXFA_FWLTheme::DrawBackground(const CFWL_ThemeBackground& pParams) {
86 GetTheme(pParams.GetWidget())->DrawBackground(pParams);
87 }
88
DrawText(const CFWL_ThemeText & pParams)89 void CXFA_FWLTheme::DrawText(const CFWL_ThemeText& pParams) {
90 if (pParams.m_wsText.IsEmpty())
91 return;
92
93 if (pParams.GetWidget()->GetClassID() == FWL_Type::MonthCalendar) {
94 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
95 if (!pWidget)
96 return;
97
98 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
99 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
100 m_pTextOut->SetFont(m_pCalendarFont);
101 m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
102 m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
103 if ((pParams.GetPart() == CFWL_ThemePart::Part::kDatesIn) &&
104 !(pParams.m_dwStates & CFWL_PartState::kFlagged) &&
105 (pParams.m_dwStates &
106 Mask<CFWL_PartState>{CFWL_PartState::kHovered,
107 CFWL_PartState::kSelected})) {
108 m_pTextOut->SetTextColor(0xFF888888);
109 }
110 if (pParams.GetPart() == CFWL_ThemePart::Part::kCaption)
111 m_pTextOut->SetTextColor(ArgbEncode(0xff, 0, 153, 255));
112
113 CFGAS_GEGraphics* pGraphics = pParams.GetGraphics();
114 CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
115 CFX_Matrix mtPart = pParams.m_matrix;
116 const CFX_Matrix* pMatrix = pGraphics->GetMatrix();
117 if (pMatrix)
118 mtPart.Concat(*pMatrix);
119
120 m_pTextOut->SetMatrix(mtPart);
121 m_pTextOut->DrawLogicText(pRenderDevice, pParams.m_wsText,
122 pParams.m_PartRect);
123 return;
124 }
125 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
126 if (!pWidget)
127 return;
128
129 CXFA_Node* pNode = pWidget->GetNode();
130 CFGAS_GEGraphics* pGraphics = pParams.GetGraphics();
131 CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
132 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
133 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
134 m_pTextOut->SetFont(pNode->GetFGASFont(pWidget->GetDoc()));
135 m_pTextOut->SetFontSize(pNode->GetFontSize());
136 m_pTextOut->SetTextColor(pNode->GetTextColor());
137 CFX_Matrix mtPart = pParams.m_matrix;
138 const CFX_Matrix* pMatrix = pGraphics->GetMatrix();
139 if (pMatrix)
140 mtPart.Concat(*pMatrix);
141
142 m_pTextOut->SetMatrix(mtPart);
143 m_pTextOut->DrawLogicText(pRenderDevice, pParams.m_wsText,
144 pParams.m_PartRect);
145 }
146
GetUIMargin(const CFWL_ThemePart & pThemePart) const147 CFX_RectF CXFA_FWLTheme::GetUIMargin(const CFWL_ThemePart& pThemePart) const {
148 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget());
149 if (!pWidget)
150 return CFX_RectF();
151
152 CXFA_ContentLayoutItem* pItem = pWidget->GetLayoutItem();
153 CXFA_Node* pNode = pWidget->GetNode();
154 CFX_RectF rect = pNode->GetUIMargin();
155 CXFA_Para* para = pNode->GetParaIfExists();
156 if (para) {
157 rect.left += para->GetMarginLeft();
158 if (pNode->IsMultiLine())
159 rect.width += para->GetMarginRight();
160 }
161 if (!pItem->GetPrev()) {
162 if (pItem->GetNext())
163 rect.height = 0;
164 } else if (!pItem->GetNext()) {
165 rect.top = 0;
166 } else {
167 rect.top = 0;
168 rect.height = 0;
169 }
170 return rect;
171 }
172
GetCXBorderSize() const173 float CXFA_FWLTheme::GetCXBorderSize() const {
174 return 1.0f;
175 }
176
GetCYBorderSize() const177 float CXFA_FWLTheme::GetCYBorderSize() const {
178 return 1.0f;
179 }
180
GetFontSize(const CFWL_ThemePart & pThemePart) const181 float CXFA_FWLTheme::GetFontSize(const CFWL_ThemePart& pThemePart) const {
182 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
183 return pWidget->GetNode()->GetFontSize();
184 return FWLTHEME_CAPACITY_FontSize;
185 }
186
GetFont(const CFWL_ThemePart & pThemePart)187 RetainPtr<CFGAS_GEFont> CXFA_FWLTheme::GetFont(
188 const CFWL_ThemePart& pThemePart) {
189 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
190 return pWidget->GetNode()->GetFGASFont(pWidget->GetDoc());
191
192 return GetFWLFont();
193 }
194
GetFWLFont()195 RetainPtr<CFGAS_GEFont> CXFA_FWLTheme::GetFWLFont() {
196 if (!m_pFWLFont)
197 m_pFWLFont = CFGAS_GEFont::LoadFont(L"Helvetica", 0, FX_CodePage::kDefANSI);
198
199 return m_pFWLFont;
200 }
201
GetLineHeight(const CFWL_ThemePart & pThemePart) const202 float CXFA_FWLTheme::GetLineHeight(const CFWL_ThemePart& pThemePart) const {
203 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
204 return pWidget->GetNode()->GetLineHeight();
205 return kLineHeight;
206 }
207
GetScrollBarWidth() const208 float CXFA_FWLTheme::GetScrollBarWidth() const {
209 return 9.0f;
210 }
211
GetTextColor(const CFWL_ThemePart & pThemePart) const212 FX_COLORREF CXFA_FWLTheme::GetTextColor(
213 const CFWL_ThemePart& pThemePart) const {
214 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
215 return pWidget->GetNode()->GetTextColor();
216 return FWLTHEME_CAPACITY_TextColor;
217 }
218
GetSpaceAboveBelow(const CFWL_ThemePart & pThemePart) const219 CFX_SizeF CXFA_FWLTheme::GetSpaceAboveBelow(
220 const CFWL_ThemePart& pThemePart) const {
221 CFX_SizeF sizeAboveBelow;
222 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget())) {
223 CXFA_Para* para = pWidget->GetNode()->GetParaIfExists();
224 if (para) {
225 sizeAboveBelow.width = para->GetSpaceAbove();
226 sizeAboveBelow.height = para->GetSpaceBelow();
227 }
228 }
229 return sizeAboveBelow;
230 }
231
CalcTextRect(const CFWL_ThemeText & pParams,CFX_RectF * pRect)232 void CXFA_FWLTheme::CalcTextRect(const CFWL_ThemeText& pParams,
233 CFX_RectF* pRect) {
234 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
235 if (!pWidget)
236 return;
237
238 if (pParams.GetWidget()->GetClassID() == FWL_Type::MonthCalendar) {
239 m_pTextOut->SetFont(m_pCalendarFont);
240 m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
241 m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
242 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
243 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
244 m_pTextOut->CalcLogicSize(pParams.m_wsText.AsStringView(), pRect);
245 return;
246 }
247
248 CXFA_Node* pNode = pWidget->GetNode();
249 m_pTextOut->SetFont(pNode->GetFGASFont(pWidget->GetDoc()));
250 m_pTextOut->SetFontSize(pNode->GetFontSize());
251 m_pTextOut->SetTextColor(pNode->GetTextColor());
252 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
253 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
254 m_pTextOut->CalcLogicSize(pParams.m_wsText.AsStringView(), pRect);
255 }
256
257 } // namespace pdfium
258