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/fwl/theme/cfwl_scrollbartp.h"
8
9 #include "xfa/fgas/graphics/cfgas_gecolor.h"
10 #include "xfa/fgas/graphics/cfgas_gegraphics.h"
11 #include "xfa/fgas/graphics/cfgas_gepath.h"
12 #include "xfa/fwl/cfwl_scrollbar.h"
13 #include "xfa/fwl/cfwl_themebackground.h"
14 #include "xfa/fwl/cfwl_widget.h"
15 #include "xfa/fwl/ifwl_themeprovider.h"
16
CFWL_ScrollBarTP()17 CFWL_ScrollBarTP::CFWL_ScrollBarTP() : m_pThemeData(new SBThemeData) {
18 SetThemeData();
19 }
20
21 CFWL_ScrollBarTP::~CFWL_ScrollBarTP() = default;
22
DrawBackground(const CFWL_ThemeBackground & pParams)23 void CFWL_ScrollBarTP::DrawBackground(const CFWL_ThemeBackground& pParams) {
24 CFWL_Widget* pWidget = pParams.GetWidget();
25 CFGAS_GEGraphics* pGraphics = pParams.GetGraphics();
26 bool bVert = !!pWidget->GetStyleExts();
27 switch (pParams.GetPart()) {
28 case CFWL_ThemePart::Part::kForeArrow: {
29 DrawMaxMinBtn(pGraphics, pParams.m_PartRect,
30 bVert ? FWLTHEME_DIRECTION::kUp : FWLTHEME_DIRECTION::kLeft,
31 pParams.GetThemeState(), pParams.m_matrix);
32 break;
33 }
34 case CFWL_ThemePart::Part::kBackArrow: {
35 DrawMaxMinBtn(
36 pGraphics, pParams.m_PartRect,
37 bVert ? FWLTHEME_DIRECTION::kDown : FWLTHEME_DIRECTION::kRight,
38 pParams.GetThemeState(), pParams.m_matrix);
39 break;
40 }
41 case CFWL_ThemePart::Part::kThumb: {
42 DrawThumbBtn(pGraphics, pParams.m_PartRect, bVert,
43 pParams.GetThemeState(), pParams.m_matrix);
44 break;
45 }
46 case CFWL_ThemePart::Part::kLowerTrack: {
47 DrawTrack(pGraphics, pParams.m_PartRect, bVert, pParams.GetThemeState(),
48 true, pParams.m_matrix);
49 break;
50 }
51 case CFWL_ThemePart::Part::kUpperTrack: {
52 DrawTrack(pGraphics, pParams.m_PartRect, bVert, pParams.GetThemeState(),
53 false, pParams.m_matrix);
54 break;
55 }
56 default:
57 break;
58 }
59 }
60
DrawThumbBtn(CFGAS_GEGraphics * pGraphics,const CFX_RectF & input_rect,bool bVert,FWLTHEME_STATE eState,const CFX_Matrix & matrix)61 void CFWL_ScrollBarTP::DrawThumbBtn(CFGAS_GEGraphics* pGraphics,
62 const CFX_RectF& input_rect,
63 bool bVert,
64 FWLTHEME_STATE eState,
65 const CFX_Matrix& matrix) {
66 if (eState < FWLTHEME_STATE::kNormal || eState > FWLTHEME_STATE::kDisable)
67 return;
68
69 CFX_RectF rect = input_rect;
70 if (bVert)
71 rect.Deflate(1, 0);
72 else
73 rect.Deflate(0, 1);
74
75 if (rect.IsEmpty(0.1f))
76 return;
77
78 FillSolidRect(pGraphics,
79 m_pThemeData->clrBtnBK[static_cast<size_t>(eState) - 1][1],
80 rect, matrix);
81
82 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
83 CFGAS_GEPath path;
84 path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
85 pGraphics->SetStrokeColor(CFGAS_GEColor(
86 m_pThemeData->clrBtnBorder[static_cast<size_t>(eState) - 1]));
87 pGraphics->StrokePath(path, matrix);
88 }
89
DrawTrack(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rect,bool bVert,FWLTHEME_STATE eState,bool bLowerTrack,const CFX_Matrix & matrix)90 void CFWL_ScrollBarTP::DrawTrack(CFGAS_GEGraphics* pGraphics,
91 const CFX_RectF& rect,
92 bool bVert,
93 FWLTHEME_STATE eState,
94 bool bLowerTrack,
95 const CFX_Matrix& matrix) {
96 if (eState < FWLTHEME_STATE::kNormal || eState > FWLTHEME_STATE::kDisable)
97 return;
98
99 {
100 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
101 CFGAS_GEPath path;
102 float fRight = rect.right();
103 float fBottom = rect.bottom();
104 if (bVert) {
105 path.AddRectangle(rect.left, rect.top, 1, rect.height);
106 path.AddRectangle(fRight - 1, rect.top, 1, rect.height);
107 } else {
108 path.AddRectangle(rect.left, rect.top, rect.width, 1);
109 path.AddRectangle(rect.left, fBottom - 1, rect.width, 1);
110 }
111 pGraphics->SetFillColor(CFGAS_GEColor(ArgbEncode(255, 238, 237, 229)));
112 pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding,
113 matrix);
114 path.Clear();
115 path.AddRectangle(rect.left + 1, rect.top, rect.width - 2, rect.height);
116 }
117 FillSolidRect(pGraphics, m_pThemeData->clrTrackBKEnd, rect, matrix);
118 }
119
DrawMaxMinBtn(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rect,FWLTHEME_DIRECTION eDict,FWLTHEME_STATE eState,const CFX_Matrix & matrix)120 void CFWL_ScrollBarTP::DrawMaxMinBtn(CFGAS_GEGraphics* pGraphics,
121 const CFX_RectF& rect,
122 FWLTHEME_DIRECTION eDict,
123 FWLTHEME_STATE eState,
124 const CFX_Matrix& matrix) {
125 DrawTrack(
126 pGraphics, rect,
127 eDict == FWLTHEME_DIRECTION::kUp || eDict == FWLTHEME_DIRECTION::kDown,
128 eState, true, matrix);
129 CFX_RectF rtArrowBtn = rect;
130 rtArrowBtn.Deflate(1, 1, 1, 1);
131 DrawArrowBtn(pGraphics, rtArrowBtn, eDict, eState, matrix);
132 }
133
SetThemeData()134 void CFWL_ScrollBarTP::SetThemeData() {
135 m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236);
136 m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251);
137 m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 197, 213, 252);
138 m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 182, 205, 251);
139 m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 216, 232, 255);
140 m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 204, 225, 255);
141 m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 167, 190, 245);
142 m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 146, 179, 249);
143 m_pThemeData->clrBtnBK[3][0] = ArgbEncode(0xff, 164, 180, 139);
144 m_pThemeData->clrBtnBK[3][1] = ArgbEncode(0xff, 141, 157, 115);
145 m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 148, 176, 221);
146 m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 218, 230, 254);
147 m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 124, 159, 211);
148 m_pThemeData->clrBtnBorder[3] = ArgbEncode(0xff, 236, 233, 216);
149 }
150