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 {
35
36 constexpr const wchar_t* kFWLThemeCalFonts[] = {
37 L"Arial",
38 L"Courier New",
39 L"DejaVu Sans",
40 };
41
42 const float kLineHeight = 12.0f;
43
GetOutmostFFWidget(CFWL_Widget * pWidget)44 CXFA_FFWidget* GetOutmostFFWidget(CFWL_Widget* pWidget) {
45 CFWL_Widget* pOuter = pWidget ? pWidget->GetOutmost() : nullptr;
46 return pOuter ? static_cast<CXFA_FFWidget*>(pOuter->GetAdapterIface())
47 : nullptr;
48 }
49
50 } // namespace
51
CXFA_FWLTheme(cppgc::Heap * pHeap,CXFA_FFApp * pApp)52 CXFA_FWLTheme::CXFA_FWLTheme(cppgc::Heap* pHeap, CXFA_FFApp* pApp)
53 : IFWL_ThemeProvider(pHeap),
54 m_pTextOut(std::make_unique<CFDE_TextOut>()),
55 m_pApp(pApp) {}
56
57 CXFA_FWLTheme::~CXFA_FWLTheme() = default;
58
PreFinalize()59 void CXFA_FWLTheme::PreFinalize() {
60 m_pTextOut.reset();
61 }
62
Trace(cppgc::Visitor * visitor) const63 void CXFA_FWLTheme::Trace(cppgc::Visitor* visitor) const {
64 IFWL_ThemeProvider::Trace(visitor);
65 visitor->Trace(m_pApp);
66 }
67
LoadCalendarFont(CXFA_FFDoc * doc)68 bool CXFA_FWLTheme::LoadCalendarFont(CXFA_FFDoc* doc) {
69 if (m_pCalendarFont)
70 return true;
71
72 for (const wchar_t* font : kFWLThemeCalFonts) {
73 m_pCalendarFont = m_pApp->GetXFAFontMgr()->GetFont(doc, font, 0);
74 if (m_pCalendarFont)
75 return true;
76 }
77
78 m_pCalendarFont = CFGAS_GEModule::Get()->GetFontMgr()->GetFontByCodePage(
79 FX_CodePage::kMSWin_WesternEuropean, 0, nullptr);
80 return !!m_pCalendarFont;
81 }
82
DrawBackground(const CFWL_ThemeBackground & pParams)83 void CXFA_FWLTheme::DrawBackground(const CFWL_ThemeBackground& pParams) {
84 GetTheme(pParams.GetWidget())->DrawBackground(pParams);
85 }
86
DrawText(const CFWL_ThemeText & pParams)87 void CXFA_FWLTheme::DrawText(const CFWL_ThemeText& pParams) {
88 if (pParams.m_wsText.IsEmpty())
89 return;
90
91 if (pParams.GetWidget()->GetClassID() == FWL_Type::MonthCalendar) {
92 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
93 if (!pWidget)
94 return;
95
96 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
97 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
98 m_pTextOut->SetFont(m_pCalendarFont);
99 m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
100 m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
101 if ((pParams.GetPart() == CFWL_ThemePart::Part::kDatesIn) &&
102 !(pParams.m_dwStates & CFWL_PartState::kFlagged) &&
103 (pParams.m_dwStates &
104 Mask<CFWL_PartState>{CFWL_PartState::kHovered,
105 CFWL_PartState::kSelected})) {
106 m_pTextOut->SetTextColor(0xFF888888);
107 }
108 if (pParams.GetPart() == CFWL_ThemePart::Part::kCaption)
109 m_pTextOut->SetTextColor(ArgbEncode(0xff, 0, 153, 255));
110
111 CFGAS_GEGraphics* pGraphics = pParams.GetGraphics();
112 CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
113 CFX_Matrix mtPart = pParams.m_matrix;
114 const CFX_Matrix* pMatrix = pGraphics->GetMatrix();
115 if (pMatrix)
116 mtPart.Concat(*pMatrix);
117
118 m_pTextOut->SetMatrix(mtPart);
119 m_pTextOut->DrawLogicText(pRenderDevice, pParams.m_wsText,
120 pParams.m_PartRect);
121 return;
122 }
123 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
124 if (!pWidget)
125 return;
126
127 CXFA_Node* pNode = pWidget->GetNode();
128 CFGAS_GEGraphics* pGraphics = pParams.GetGraphics();
129 CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
130 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
131 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
132 m_pTextOut->SetFont(pNode->GetFGASFont(pWidget->GetDoc()));
133 m_pTextOut->SetFontSize(pNode->GetFontSize());
134 m_pTextOut->SetTextColor(pNode->GetTextColor());
135 CFX_Matrix mtPart = pParams.m_matrix;
136 const CFX_Matrix* pMatrix = pGraphics->GetMatrix();
137 if (pMatrix)
138 mtPart.Concat(*pMatrix);
139
140 m_pTextOut->SetMatrix(mtPart);
141 m_pTextOut->DrawLogicText(pRenderDevice, pParams.m_wsText,
142 pParams.m_PartRect);
143 }
144
GetUIMargin(const CFWL_ThemePart & pThemePart) const145 CFX_RectF CXFA_FWLTheme::GetUIMargin(const CFWL_ThemePart& pThemePart) const {
146 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget());
147 if (!pWidget)
148 return CFX_RectF();
149
150 CXFA_ContentLayoutItem* pItem = pWidget->GetLayoutItem();
151 CXFA_Node* pNode = pWidget->GetNode();
152 CFX_RectF rect = pNode->GetUIMargin();
153 CXFA_Para* para = pNode->GetParaIfExists();
154 if (para) {
155 rect.left += para->GetMarginLeft();
156 if (pNode->IsMultiLine())
157 rect.width += para->GetMarginRight();
158 }
159 if (!pItem->GetPrev()) {
160 if (pItem->GetNext())
161 rect.height = 0;
162 } else if (!pItem->GetNext()) {
163 rect.top = 0;
164 } else {
165 rect.top = 0;
166 rect.height = 0;
167 }
168 return rect;
169 }
170
GetCXBorderSize() const171 float CXFA_FWLTheme::GetCXBorderSize() const {
172 return 1.0f;
173 }
174
GetCYBorderSize() const175 float CXFA_FWLTheme::GetCYBorderSize() const {
176 return 1.0f;
177 }
178
GetFontSize(const CFWL_ThemePart & pThemePart) const179 float CXFA_FWLTheme::GetFontSize(const CFWL_ThemePart& pThemePart) const {
180 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
181 return pWidget->GetNode()->GetFontSize();
182 return FWLTHEME_CAPACITY_FontSize;
183 }
184
GetFont(const CFWL_ThemePart & pThemePart)185 RetainPtr<CFGAS_GEFont> CXFA_FWLTheme::GetFont(
186 const CFWL_ThemePart& pThemePart) {
187 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
188 return pWidget->GetNode()->GetFGASFont(pWidget->GetDoc());
189
190 return GetFWLFont();
191 }
192
GetFWLFont()193 RetainPtr<CFGAS_GEFont> CXFA_FWLTheme::GetFWLFont() {
194 if (!m_pFWLFont)
195 m_pFWLFont = CFGAS_GEFont::LoadFont(L"Helvetica", 0, FX_CodePage::kDefANSI);
196
197 return m_pFWLFont;
198 }
199
GetLineHeight(const CFWL_ThemePart & pThemePart) const200 float CXFA_FWLTheme::GetLineHeight(const CFWL_ThemePart& pThemePart) const {
201 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
202 return pWidget->GetNode()->GetLineHeight();
203 return kLineHeight;
204 }
205
GetScrollBarWidth() const206 float CXFA_FWLTheme::GetScrollBarWidth() const {
207 return 9.0f;
208 }
209
GetTextColor(const CFWL_ThemePart & pThemePart) const210 FX_COLORREF CXFA_FWLTheme::GetTextColor(
211 const CFWL_ThemePart& pThemePart) const {
212 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget()))
213 return pWidget->GetNode()->GetTextColor();
214 return FWLTHEME_CAPACITY_TextColor;
215 }
216
GetSpaceAboveBelow(const CFWL_ThemePart & pThemePart) const217 CFX_SizeF CXFA_FWLTheme::GetSpaceAboveBelow(
218 const CFWL_ThemePart& pThemePart) const {
219 CFX_SizeF sizeAboveBelow;
220 if (CXFA_FFWidget* pWidget = GetOutmostFFWidget(pThemePart.GetWidget())) {
221 CXFA_Para* para = pWidget->GetNode()->GetParaIfExists();
222 if (para) {
223 sizeAboveBelow.width = para->GetSpaceAbove();
224 sizeAboveBelow.height = para->GetSpaceBelow();
225 }
226 }
227 return sizeAboveBelow;
228 }
229
CalcTextRect(const CFWL_ThemeText & pParams,CFX_RectF * pRect)230 void CXFA_FWLTheme::CalcTextRect(const CFWL_ThemeText& pParams,
231 CFX_RectF* pRect) {
232 CXFA_FFWidget* pWidget = GetOutmostFFWidget(pParams.GetWidget());
233 if (!pWidget)
234 return;
235
236 if (pParams.GetWidget()->GetClassID() == FWL_Type::MonthCalendar) {
237 m_pTextOut->SetFont(m_pCalendarFont);
238 m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
239 m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
240 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
241 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
242 m_pTextOut->CalcLogicSize(pParams.m_wsText.AsStringView(), pRect);
243 return;
244 }
245
246 CXFA_Node* pNode = pWidget->GetNode();
247 m_pTextOut->SetFont(pNode->GetFGASFont(pWidget->GetDoc()));
248 m_pTextOut->SetFontSize(pNode->GetFontSize());
249 m_pTextOut->SetTextColor(pNode->GetTextColor());
250 m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
251 m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
252 m_pTextOut->CalcLogicSize(pParams.m_wsText.AsStringView(), pRect);
253 }
254