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