1 // Copyright 2014 PDFium Authors. All rights reserved. 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/fwl/cfwl_scrollbar.h" 10 #include "xfa/fwl/cfwl_themebackground.h" 11 #include "xfa/fwl/cfwl_widget.h" 12 #include "xfa/fwl/ifwl_themeprovider.h" 13 #include "xfa/fxgraphics/cxfa_gecolor.h" 14 #include "xfa/fxgraphics/cxfa_gepath.h" 15 16 namespace { 17 18 const float kPawLength = 12.5f; 19 20 } // namespace 21 22 CFWL_ScrollBarTP::CFWL_ScrollBarTP() : m_pThemeData(new SBThemeData) { 23 SetThemeData(); 24 } 25 26 CFWL_ScrollBarTP::~CFWL_ScrollBarTP() {} 27 28 void CFWL_ScrollBarTP::DrawBackground(CFWL_ThemeBackground* pParams) { 29 if (!pParams) 30 return; 31 32 CFWL_Widget* pWidget = pParams->m_pWidget; 33 FWLTHEME_STATE eState = FWLTHEME_STATE_Normal; 34 if (pParams->m_dwStates & CFWL_PartState_Hovered) 35 eState = FWLTHEME_STATE_Hover; 36 else if (pParams->m_dwStates & CFWL_PartState_Pressed) 37 eState = FWLTHEME_STATE_Pressed; 38 else if (pParams->m_dwStates & CFWL_PartState_Disabled) 39 eState = FWLTHEME_STATE_Disable; 40 41 CXFA_Graphics* pGraphics = pParams->m_pGraphics; 42 CFX_RectF* pRect = &pParams->m_rtPart; 43 bool bVert = !!pWidget->GetStylesEx(); 44 switch (pParams->m_iPart) { 45 case CFWL_Part::ForeArrow: { 46 DrawMaxMinBtn(pGraphics, pRect, 47 bVert ? FWLTHEME_DIRECTION_Up : FWLTHEME_DIRECTION_Left, 48 eState, &pParams->m_matrix); 49 break; 50 } 51 case CFWL_Part::BackArrow: { 52 DrawMaxMinBtn(pGraphics, pRect, 53 bVert ? FWLTHEME_DIRECTION_Down : FWLTHEME_DIRECTION_Right, 54 eState, &pParams->m_matrix); 55 break; 56 } 57 case CFWL_Part::Thumb: { 58 DrawThumbBtn(pGraphics, pRect, bVert, eState, true, &pParams->m_matrix); 59 break; 60 } 61 case CFWL_Part::LowerTrack: { 62 DrawTrack(pGraphics, pRect, bVert, eState, true, &pParams->m_matrix); 63 break; 64 } 65 case CFWL_Part::UpperTrack: { 66 DrawTrack(pGraphics, pRect, bVert, eState, false, &pParams->m_matrix); 67 break; 68 } 69 default: 70 break; 71 } 72 } 73 74 void CFWL_ScrollBarTP::DrawThumbBtn(CXFA_Graphics* pGraphics, 75 const CFX_RectF* pRect, 76 bool bVert, 77 FWLTHEME_STATE eState, 78 bool bPawButton, 79 CFX_Matrix* pMatrix) { 80 if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable) 81 return; 82 83 CXFA_GEPath path; 84 CFX_RectF rect(*pRect); 85 if (bVert) { 86 rect.Deflate(1, 0); 87 if (rect.IsEmpty(0.1f)) 88 return; 89 90 path.AddRectangle(rect.left, rect.top, rect.width, rect.height); 91 DrawAxialShading(pGraphics, rect.left, rect.top, rect.right(), rect.top, 92 m_pThemeData->clrBtnBK[eState - 1][0], 93 m_pThemeData->clrBtnBK[eState - 1][1], &path, 94 FXFILL_WINDING, pMatrix); 95 pGraphics->SaveGraphState(); 96 pGraphics->SetStrokeColor( 97 CXFA_GEColor(m_pThemeData->clrBtnBorder[eState - 1])); 98 pGraphics->StrokePath(&path, pMatrix); 99 pGraphics->RestoreGraphState(); 100 } else { 101 rect.Deflate(0, 1); 102 if (rect.IsEmpty(0.1f)) 103 return; 104 105 path.AddRectangle(rect.left, rect.top, rect.width, rect.height); 106 DrawAxialShading(pGraphics, rect.left, rect.top, rect.left, rect.bottom(), 107 m_pThemeData->clrBtnBK[eState - 1][0], 108 m_pThemeData->clrBtnBK[eState - 1][1], &path, 109 FXFILL_WINDING, pMatrix); 110 pGraphics->SaveGraphState(); 111 pGraphics->SetStrokeColor( 112 CXFA_GEColor(m_pThemeData->clrBtnBorder[eState - 1])); 113 pGraphics->StrokePath(&path, pMatrix); 114 pGraphics->RestoreGraphState(); 115 } 116 } 117 118 void CFWL_ScrollBarTP::DrawPaw(CXFA_Graphics* pGraphics, 119 const CFX_RectF* pRect, 120 bool bVert, 121 FWLTHEME_STATE eState, 122 CFX_Matrix* pMatrix) { 123 CXFA_GEPath path; 124 if (bVert) { 125 float fPawLen = kPawLength; 126 if (pRect->width / 2 <= fPawLen) { 127 fPawLen = (pRect->width - 6) / 2; 128 } 129 130 float fX = pRect->left + pRect->width / 4; 131 float fY = pRect->top + pRect->height / 2; 132 path.MoveTo(CFX_PointF(fX, fY - 4)); 133 path.LineTo(CFX_PointF(fX + fPawLen, fY - 4)); 134 path.MoveTo(CFX_PointF(fX, fY - 2)); 135 path.LineTo(CFX_PointF(fX + fPawLen, fY - 2)); 136 path.MoveTo(CFX_PointF(fX, fY)); 137 path.LineTo(CFX_PointF(fX + fPawLen, fY)); 138 path.MoveTo(CFX_PointF(fX, fY + 2)); 139 path.LineTo(CFX_PointF(fX + fPawLen, fY + 2)); 140 141 pGraphics->SetLineWidth(1); 142 pGraphics->SetStrokeColor( 143 CXFA_GEColor(m_pThemeData->clrPawColorLight[eState - 1])); 144 pGraphics->StrokePath(&path, nullptr); 145 fX++; 146 147 path.Clear(); 148 path.MoveTo(CFX_PointF(fX, fY - 3)); 149 path.LineTo(CFX_PointF(fX + fPawLen, fY - 3)); 150 path.MoveTo(CFX_PointF(fX, fY - 1)); 151 path.LineTo(CFX_PointF(fX + fPawLen, fY - 1)); 152 path.MoveTo(CFX_PointF(fX, fY + 1)); 153 path.LineTo(CFX_PointF(fX + fPawLen, fY + 1)); 154 path.MoveTo(CFX_PointF(fX, fY + 3)); 155 path.LineTo(CFX_PointF(fX + fPawLen, fY + 3)); 156 157 pGraphics->SetLineWidth(1); 158 pGraphics->SetStrokeColor( 159 CXFA_GEColor(m_pThemeData->clrPawColorDark[eState - 1])); 160 pGraphics->StrokePath(&path, pMatrix); 161 } else { 162 float fPawLen = kPawLength; 163 if (pRect->height / 2 <= fPawLen) { 164 fPawLen = (pRect->height - 6) / 2; 165 } 166 167 float fX = pRect->left + pRect->width / 2; 168 float fY = pRect->top + pRect->height / 4; 169 path.MoveTo(CFX_PointF(fX - 4, fY)); 170 path.LineTo(CFX_PointF(fX - 4, fY + fPawLen)); 171 path.MoveTo(CFX_PointF(fX - 2, fY)); 172 path.LineTo(CFX_PointF(fX - 2, fY + fPawLen)); 173 path.MoveTo(CFX_PointF(fX, fY)); 174 path.LineTo(CFX_PointF(fX, fY + fPawLen)); 175 path.MoveTo(CFX_PointF(fX + 2, fY)); 176 path.LineTo(CFX_PointF(fX + 2, fY + fPawLen)); 177 178 pGraphics->SetLineWidth(1); 179 pGraphics->SetStrokeColor( 180 CXFA_GEColor(m_pThemeData->clrPawColorLight[eState - 1])); 181 pGraphics->StrokePath(&path, pMatrix); 182 fY++; 183 184 path.Clear(); 185 path.MoveTo(CFX_PointF(fX - 3, fY)); 186 path.LineTo(CFX_PointF(fX - 3, fY + fPawLen)); 187 path.MoveTo(CFX_PointF(fX - 1, fY)); 188 path.LineTo(CFX_PointF(fX - 1, fY + fPawLen)); 189 path.MoveTo(CFX_PointF(fX + 1, fY)); 190 path.LineTo(CFX_PointF(fX + 1, fY + fPawLen)); 191 path.MoveTo(CFX_PointF(fX + 3, fY)); 192 path.LineTo(CFX_PointF(fX + 3, fY + fPawLen)); 193 194 pGraphics->SetLineWidth(1); 195 pGraphics->SetStrokeColor( 196 CXFA_GEColor(m_pThemeData->clrPawColorDark[eState - 1])); 197 pGraphics->StrokePath(&path, pMatrix); 198 } 199 } 200 201 void CFWL_ScrollBarTP::DrawTrack(CXFA_Graphics* pGraphics, 202 const CFX_RectF* pRect, 203 bool bVert, 204 FWLTHEME_STATE eState, 205 bool bLowerTrack, 206 CFX_Matrix* pMatrix) { 207 if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable) 208 return; 209 210 pGraphics->SaveGraphState(); 211 CXFA_GEPath path; 212 float fRight = pRect->right(); 213 float fBottom = pRect->bottom(); 214 if (bVert) { 215 path.AddRectangle(pRect->left, pRect->top, 1, pRect->height); 216 path.AddRectangle(fRight - 1, pRect->top, 1, pRect->height); 217 } else { 218 path.AddRectangle(pRect->left, pRect->top, pRect->width, 1); 219 path.AddRectangle(pRect->left, fBottom - 1, pRect->width, 1); 220 } 221 pGraphics->SetFillColor(CXFA_GEColor(ArgbEncode(255, 238, 237, 229))); 222 pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix); 223 path.Clear(); 224 path.AddRectangle(pRect->left + 1, pRect->top, pRect->width - 2, 225 pRect->height); 226 float x1 = bVert ? pRect->left + 1 : pRect->left; 227 float y1 = bVert ? pRect->top : pRect->top + 1; 228 float x2 = bVert ? fRight - 1 : pRect->left; 229 float y2 = bVert ? pRect->top : fBottom - 1; 230 pGraphics->RestoreGraphState(); 231 DrawAxialShading(pGraphics, x1, y1, x2, y2, m_pThemeData->clrTrackBKStart, 232 m_pThemeData->clrTrackBKEnd, &path, FXFILL_WINDING, pMatrix); 233 } 234 235 void CFWL_ScrollBarTP::DrawMaxMinBtn(CXFA_Graphics* pGraphics, 236 const CFX_RectF* pRect, 237 FWLTHEME_DIRECTION eDict, 238 FWLTHEME_STATE eState, 239 CFX_Matrix* pMatrix) { 240 DrawTrack(pGraphics, pRect, 241 eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down, 242 eState, true, pMatrix); 243 CFX_RectF rtArrowBtn(*pRect); 244 rtArrowBtn.Deflate(1, 1, 1, 1); 245 DrawArrowBtn(pGraphics, &rtArrowBtn, eDict, eState, pMatrix); 246 } 247 248 void CFWL_ScrollBarTP::SetThemeData() { 249 m_pThemeData->clrPawColorLight[3] = ArgbEncode(0xff, 208, 223, 172); 250 m_pThemeData->clrPawColorDark[3] = ArgbEncode(0xff, 140, 157, 115); 251 m_pThemeData->clrBtnBK[3][0] = ArgbEncode(0xff, 164, 180, 139); 252 m_pThemeData->clrBtnBK[3][1] = ArgbEncode(0xff, 141, 157, 115); 253 m_pThemeData->clrBtnBorder[3] = ArgbEncode(0xff, 236, 233, 216); 254 m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 238, 244, 254); 255 m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 176, 248); 256 m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 197, 213, 252); 257 m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 182, 205, 251); 258 m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 148, 176, 221); 259 m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 252, 253, 255); 260 m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 156, 197, 255); 261 m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 216, 232, 255); 262 m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 204, 225, 255); 263 m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 218, 230, 254); 264 m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 207, 221, 253); 265 m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 131, 158, 216); 266 m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 167, 190, 245); 267 m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 146, 179, 249); 268 m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 124, 159, 211); 269 m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236); 270 m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251); 271 } 272
