| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "xfa/fwl/theme/cfwl_scrollbartp.h" |
| |
| #include "xfa/fwl/core/cfwl_themebackground.h" |
| #include "xfa/fwl/core/ifwl_scrollbar.h" |
| #include "xfa/fwl/core/ifwl_themeprovider.h" |
| #include "xfa/fwl/core/ifwl_widget.h" |
| #include "xfa/fxgraphics/cfx_color.h" |
| #include "xfa/fxgraphics/cfx_path.h" |
| |
| namespace { |
| |
| const float kPawLength = 12.5f; |
| |
| } // namespace |
| |
| CFWL_ScrollBarTP::CFWL_ScrollBarTP() : m_pThemeData(new SBThemeData) { |
| SetThemeData(0); |
| } |
| |
| CFWL_ScrollBarTP::~CFWL_ScrollBarTP() {} |
| |
| bool CFWL_ScrollBarTP::IsValidWidget(IFWL_Widget* pWidget) { |
| return pWidget && pWidget->GetClassID() == FWL_Type::ScrollBar; |
| } |
| |
| void* CFWL_ScrollBarTP::GetCapacity(CFWL_ThemePart* pThemePart, |
| CFWL_WidgetCapacity dwCapacity) { |
| if (dwCapacity == CFWL_WidgetCapacity::Size) { |
| m_fValue = 5; |
| return &m_fValue; |
| } |
| return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity); |
| } |
| |
| uint32_t CFWL_ScrollBarTP::SetThemeID(IFWL_Widget* pWidget, |
| uint32_t dwThemeID) { |
| if (m_pThemeData) |
| SetThemeData(FWL_GetThemeColor(dwThemeID)); |
| return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID); |
| } |
| |
| void CFWL_ScrollBarTP::DrawBackground(CFWL_ThemeBackground* pParams) { |
| if (!pParams) |
| return; |
| |
| IFWL_Widget* pWidget = pParams->m_pWidget; |
| FWLTHEME_STATE eState = FWLTHEME_STATE_Normal; |
| if (pParams->m_dwStates & CFWL_PartState_Hovered) |
| eState = FWLTHEME_STATE_Hover; |
| else if (pParams->m_dwStates & CFWL_PartState_Pressed) |
| eState = FWLTHEME_STATE_Pressed; |
| else if (pParams->m_dwStates & CFWL_PartState_Disabled) |
| eState = FWLTHEME_STATE_Disable; |
| |
| CFX_Graphics* pGraphics = pParams->m_pGraphics; |
| CFX_RectF* pRect = &pParams->m_rtPart; |
| FX_BOOL bVert = pWidget->GetStylesEx(); |
| switch (pParams->m_iPart) { |
| case CFWL_Part::ForeArrow: { |
| DrawMaxMinBtn(pGraphics, pRect, |
| bVert ? FWLTHEME_DIRECTION_Up : FWLTHEME_DIRECTION_Left, |
| eState, &pParams->m_matrix); |
| break; |
| } |
| case CFWL_Part::BackArrow: { |
| DrawMaxMinBtn(pGraphics, pRect, |
| bVert ? FWLTHEME_DIRECTION_Down : FWLTHEME_DIRECTION_Right, |
| eState, &pParams->m_matrix); |
| break; |
| } |
| case CFWL_Part::Thumb: { |
| DrawThumbBtn(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix); |
| break; |
| } |
| case CFWL_Part::LowerTrack: { |
| DrawTrack(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix); |
| break; |
| } |
| case CFWL_Part::UpperTrack: { |
| DrawTrack(pGraphics, pRect, bVert, eState, FALSE, &pParams->m_matrix); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| void CFWL_ScrollBarTP::DrawThumbBtn(CFX_Graphics* pGraphics, |
| const CFX_RectF* pRect, |
| FX_BOOL bVert, |
| FWLTHEME_STATE eState, |
| FX_BOOL bPawButton, |
| CFX_Matrix* pMatrix) { |
| if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable) |
| return; |
| |
| CFX_Path path; |
| path.Create(); |
| CFX_RectF rect(*pRect); |
| if (bVert) { |
| rect.Deflate(1, 0); |
| if (rect.IsEmpty(0.1f)) |
| return; |
| |
| path.AddRectangle(rect.left, rect.top, rect.width, rect.height); |
| DrawAxialShading(pGraphics, rect.left, rect.top, rect.right(), rect.top, |
| m_pThemeData->clrBtnBK[eState - 1][0], |
| m_pThemeData->clrBtnBK[eState - 1][1], &path, |
| FXFILL_WINDING, pMatrix); |
| CFX_Color rcStroke; |
| rcStroke.Set(m_pThemeData->clrBtnBorder[eState - 1]); |
| pGraphics->SaveGraphState(); |
| pGraphics->SetStrokeColor(&rcStroke); |
| pGraphics->StrokePath(&path, pMatrix); |
| pGraphics->RestoreGraphState(); |
| } else { |
| rect.Deflate(0, 1); |
| if (rect.IsEmpty(0.1f)) |
| return; |
| |
| path.AddRectangle(rect.left, rect.top, rect.width, rect.height); |
| DrawAxialShading(pGraphics, rect.left, rect.top, rect.left, rect.bottom(), |
| m_pThemeData->clrBtnBK[eState - 1][0], |
| m_pThemeData->clrBtnBK[eState - 1][1], &path, |
| FXFILL_WINDING, pMatrix); |
| CFX_Color rcStroke; |
| rcStroke.Set(m_pThemeData->clrBtnBorder[eState - 1]); |
| pGraphics->SaveGraphState(); |
| pGraphics->SetStrokeColor(&rcStroke); |
| pGraphics->StrokePath(&path, pMatrix); |
| pGraphics->RestoreGraphState(); |
| } |
| } |
| |
| void CFWL_ScrollBarTP::DrawPaw(CFX_Graphics* pGraphics, |
| const CFX_RectF* pRect, |
| FX_BOOL bVert, |
| FWLTHEME_STATE eState, |
| CFX_Matrix* pMatrix) { |
| CFX_Path path; |
| path.Create(); |
| if (bVert) { |
| FX_FLOAT fPawLen = kPawLength; |
| if (pRect->width / 2 <= fPawLen) { |
| fPawLen = (pRect->width - 6) / 2; |
| } |
| FX_FLOAT fX = pRect->left + pRect->width / 4; |
| FX_FLOAT fY = pRect->top + pRect->height / 2; |
| path.MoveTo(fX, fY - 4); |
| path.LineTo(fX + fPawLen, fY - 4); |
| path.MoveTo(fX, fY - 2); |
| path.LineTo(fX + fPawLen, fY - 2); |
| path.MoveTo(fX, fY); |
| path.LineTo(fX + fPawLen, fY); |
| path.MoveTo(fX, fY + 2); |
| path.LineTo(fX + fPawLen, fY + 2); |
| CFX_Color clrLight(m_pThemeData->clrPawColorLight[eState - 1]); |
| pGraphics->SetLineWidth(1); |
| pGraphics->SetStrokeColor(&clrLight); |
| pGraphics->StrokePath(&path); |
| fX++; |
| path.Clear(); |
| path.MoveTo(fX, fY - 3); |
| path.LineTo(fX + fPawLen, fY - 3); |
| path.MoveTo(fX, fY - 1); |
| path.LineTo(fX + fPawLen, fY - 1); |
| path.MoveTo(fX, fY + 1); |
| path.LineTo(fX + fPawLen, fY + 1); |
| path.MoveTo(fX, fY + 3); |
| path.LineTo(fX + fPawLen, fY + 3); |
| CFX_Color clrDark(m_pThemeData->clrPawColorDark[eState - 1]); |
| pGraphics->SetLineWidth(1); |
| pGraphics->SetStrokeColor(&clrDark); |
| pGraphics->StrokePath(&path, pMatrix); |
| } else { |
| FX_FLOAT fPawLen = kPawLength; |
| if (pRect->height / 2 <= fPawLen) { |
| fPawLen = (pRect->height - 6) / 2; |
| } |
| FX_FLOAT fX = pRect->left + pRect->width / 2; |
| FX_FLOAT fY = pRect->top + pRect->height / 4; |
| path.MoveTo(fX - 4, fY); |
| path.LineTo(fX - 4, fY + fPawLen); |
| path.MoveTo(fX - 2, fY); |
| path.LineTo(fX - 2, fY + fPawLen); |
| path.MoveTo(fX, fY); |
| path.LineTo(fX, fY + fPawLen); |
| path.MoveTo(fX + 2, fY); |
| path.LineTo(fX + 2, fY + fPawLen); |
| CFX_Color clrLight(m_pThemeData->clrPawColorLight[eState - 1]); |
| pGraphics->SetLineWidth(1); |
| pGraphics->SetStrokeColor(&clrLight); |
| pGraphics->StrokePath(&path, pMatrix); |
| fY++; |
| path.Clear(); |
| path.MoveTo(fX - 3, fY); |
| path.LineTo(fX - 3, fY + fPawLen); |
| path.MoveTo(fX - 1, fY); |
| path.LineTo(fX - 1, fY + fPawLen); |
| path.MoveTo(fX + 1, fY); |
| path.LineTo(fX + 1, fY + fPawLen); |
| path.MoveTo(fX + 3, fY); |
| path.LineTo(fX + 3, fY + fPawLen); |
| CFX_Color clrDark(m_pThemeData->clrPawColorDark[eState - 1]); |
| pGraphics->SetLineWidth(1); |
| pGraphics->SetStrokeColor(&clrDark); |
| pGraphics->StrokePath(&path, pMatrix); |
| } |
| } |
| |
| void CFWL_ScrollBarTP::DrawTrack(CFX_Graphics* pGraphics, |
| const CFX_RectF* pRect, |
| FX_BOOL bVert, |
| FWLTHEME_STATE eState, |
| FX_BOOL bLowerTrack, |
| CFX_Matrix* pMatrix) { |
| if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable) |
| return; |
| |
| pGraphics->SaveGraphState(); |
| CFX_Color colorLine(ArgbEncode(255, 238, 237, 229)); |
| CFX_Path path; |
| path.Create(); |
| FX_FLOAT fRight = pRect->right(); |
| FX_FLOAT fBottom = pRect->bottom(); |
| if (bVert) { |
| path.AddRectangle(pRect->left, pRect->top, 1, pRect->height); |
| path.AddRectangle(fRight - 1, pRect->top, 1, pRect->height); |
| } else { |
| path.AddRectangle(pRect->left, pRect->top, pRect->width, 1); |
| path.AddRectangle(pRect->left, fBottom - 1, pRect->width, 1); |
| } |
| pGraphics->SetFillColor(&colorLine); |
| pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix); |
| path.Clear(); |
| path.AddRectangle(pRect->left + 1, pRect->top, pRect->width - 2, |
| pRect->height); |
| FX_FLOAT x1 = bVert ? pRect->left + 1 : pRect->left; |
| FX_FLOAT y1 = bVert ? pRect->top : pRect->top + 1; |
| FX_FLOAT x2 = bVert ? fRight - 1 : pRect->left; |
| FX_FLOAT y2 = bVert ? pRect->top : fBottom - 1; |
| pGraphics->RestoreGraphState(); |
| DrawAxialShading(pGraphics, x1, y1, x2, y2, m_pThemeData->clrTrackBKStart, |
| m_pThemeData->clrTrackBKEnd, &path, FXFILL_WINDING, pMatrix); |
| } |
| |
| void CFWL_ScrollBarTP::DrawMaxMinBtn(CFX_Graphics* pGraphics, |
| const CFX_RectF* pRect, |
| FWLTHEME_DIRECTION eDict, |
| FWLTHEME_STATE eState, |
| CFX_Matrix* pMatrix) { |
| DrawTrack(pGraphics, pRect, |
| eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down, |
| eState, TRUE, pMatrix); |
| CFX_RectF rtArrowBtn(*pRect); |
| rtArrowBtn.Deflate(1, 1, 1, 1); |
| DrawArrowBtn(pGraphics, &rtArrowBtn, eDict, eState, pMatrix); |
| } |
| |
| void CFWL_ScrollBarTP::SetThemeData(uint32_t dwID) { |
| m_pThemeData->clrPawColorLight[3] = ArgbEncode(0xff, 208, 223, 172); |
| m_pThemeData->clrPawColorDark[3] = ArgbEncode(0xff, 140, 157, 115); |
| m_pThemeData->clrBtnBK[3][0] = ArgbEncode(0xff, 164, 180, 139); |
| m_pThemeData->clrBtnBK[3][1] = ArgbEncode(0xff, 141, 157, 115); |
| m_pThemeData->clrBtnBorder[3] = ArgbEncode(0xff, 236, 233, 216); |
| if (dwID) { |
| m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 208, 223, 172); |
| m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 157, 115); |
| m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 162, 179, 141); |
| m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 149, 167, 117); |
| m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 142, 153, 125); |
| m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 235, 245, 212); |
| m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 182, 198, 142); |
| m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 200, 213, 170); |
| m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 195, 208, 150); |
| m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 189, 203, 150); |
| m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 208, 223, 172); |
| m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 140, 157, 115); |
| m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 164, 180, 139); |
| m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 141, 157, 115); |
| m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 128, 146, 102); |
| m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236); |
| m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251); |
| } else { |
| m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 238, 244, 254); |
| m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 176, 248); |
| m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 197, 213, 252); |
| m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 182, 205, 251); |
| m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 148, 176, 221); |
| m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 252, 253, 255); |
| m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 156, 197, 255); |
| m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 216, 232, 255); |
| m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 204, 225, 255); |
| m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 218, 230, 254); |
| m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 207, 221, 253); |
| m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 131, 158, 216); |
| m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 167, 190, 245); |
| m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 146, 179, 249); |
| m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 124, 159, 211); |
| m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236); |
| m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251); |
| } |
| } |
