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// 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/include/fwl/theme/scrollbartp.h"
#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
#include "xfa/include/fwl/core/fwl_widget.h"
#define FWL_SCROLL_PawLen 12.5f
CFWL_ScrollBarTP::CFWL_ScrollBarTP() {
m_pThemeData = new SBThemeData;
SetThemeData(0);
}
CFWL_ScrollBarTP::~CFWL_ScrollBarTP() {
if (m_pThemeData) {
delete m_pThemeData;
m_pThemeData = NULL;
}
}
FX_BOOL CFWL_ScrollBarTP::IsValidWidget(IFWL_Widget* pWidget) {
if (!pWidget)
return FALSE;
return pWidget->GetClassID() == FWL_CLASSHASH_ScrollBar;
}
void* CFWL_ScrollBarTP::GetCapacity(CFWL_ThemePart* pThemePart,
FX_DWORD dwCapacity) {
if (dwCapacity == FWL_CAPACITY_SCB_Size) {
m_fValue = 5;
return &m_fValue;
}
return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
}
FX_DWORD CFWL_ScrollBarTP::SetThemeID(IFWL_Widget* pWidget,
FX_DWORD dwThemeID,
FX_BOOL bChildren) {
if (m_pThemeData) {
SetThemeData(FWL_GetThemeColor(dwThemeID));
}
return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
}
FX_BOOL CFWL_ScrollBarTP::DrawBackground(CFWL_ThemeBackground* pParams) {
if (!pParams)
return FALSE;
IFWL_Widget* pWidget = pParams->m_pWidget;
FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
switch (pParams->m_dwStates & 0x03) {
case FWL_PARTSTATE_SCB_Hovered: {
eState = FWLTHEME_STATE_Hover;
break;
}
case FWL_PARTSTATE_SCB_Pressed: {
eState = FWLTHEME_STATE_Pressed;
break;
}
case FWL_PARTSTATE_SCB_Disabled: {
eState = FWLTHEME_STATE_Disabale;
break;
}
}
CFX_Graphics* pGraphics = pParams->m_pGraphics;
CFX_RectF* pRect = &pParams->m_rtPart;
FX_BOOL bVert = pWidget->GetStylesEx();
switch (pParams->m_iPart) {
case FWL_PART_SCB_ForeArrow: {
DrawMaxMinBtn(pGraphics, pRect,
bVert ? FWLTHEME_DIRECTION_Up : FWLTHEME_DIRECTION_Left,
eState, &pParams->m_matrix);
break;
}
case FWL_PART_SCB_BackArrow: {
DrawMaxMinBtn(pGraphics, pRect,
bVert ? FWLTHEME_DIRECTION_Down : FWLTHEME_DIRECTION_Right,
eState, &pParams->m_matrix);
break;
}
case FWL_PART_SCB_Thumb: {
DrawThumbBtn(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix);
break;
}
case FWL_PART_SCB_LowerTrack: {
DrawTrack(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix);
break;
}
case FWL_PART_SCB_UpperTrack: {
DrawTrack(pGraphics, pRect, bVert, eState, FALSE, &pParams->m_matrix);
break;
}
default: {}
}
return TRUE;
}
#ifdef THEME_XPSimilar
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_Disabale) {
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 = FWL_SCROLL_PawLen;
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 = FWL_SCROLL_PawLen;
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_Disabale) {
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);
}
#else
void CFWL_ScrollBarTP::DrawThumbBtn(CFX_Graphics* pGraphics,
const CFX_RectF* pRect,
FX_BOOL bVert,
FWLTHEME_STATE eState,
FX_BOOL bPawButton,
CFX_Matrix* pMatrix) {
if (pRect->IsEmpty()) {
return;
}
CFX_RectF rtThumb(*pRect);
FX_FLOAT fWidth = 2;
Draw3DRect(pGraphics, FWLTHEME_EDGE_Raised, fWidth, pRect,
FWLTHEME_COLOR_EDGELT1, FWLTHEME_COLOR_EDGELT2,
FWLTHEME_COLOR_EDGERB1, FWLTHEME_COLOR_EDGERB2, pMatrix);
CFX_Path path;
path.Create();
path.AddRectangle(pRect->left + fWidth, pRect->top + fWidth,
pRect->width - 2 * fWidth, pRect->height - 2 * fWidth);
pGraphics->SaveGraphState();
CFX_Color crFill(FWLTHEME_COLOR_Background);
pGraphics->SetFillColor(&crFill);
pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
pGraphics->RestoreGraphState();
}
void CFWL_ScrollBarTP::DrawTrack(CFX_Graphics* pGraphics,
const CFX_RectF* pRect,
FX_BOOL bVert,
FWLTHEME_STATE eState,
FX_BOOL bLowerTrack,
CFX_Matrix* pMatrix) {
if (pRect->IsEmpty()) {
return;
}
CFX_Path path;
path.Create();
path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
pGraphics->SaveGraphState();
CFX_Color clrFill(0xFFF0F0F0);
pGraphics->SetFillColor(&clrFill);
pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
pGraphics->RestoreGraphState();
}
void CFWL_ScrollBarTP::DrawMaxMinBtn(CFX_Graphics* pGraphics,
const CFX_RectF* pRect,
FWLTHEME_DIRECTION eDict,
FWLTHEME_STATE eState,
CFX_Matrix* pMatrix) {
CFX_RectF rtThumb(*pRect);
FX_FLOAT fWidth = eState == FWLTHEME_STATE_Pressed ? 1.0f : 2.0f;
FWLTHEME_EDGE eType = eState == FWLTHEME_STATE_Pressed ? FWLTHEME_EDGE_Flat
: FWLTHEME_EDGE_Raised;
Draw3DRect(pGraphics, eType, fWidth, pRect, FWLTHEME_COLOR_EDGELT1,
FWLTHEME_COLOR_EDGELT2, FWLTHEME_COLOR_EDGERB1,
FWLTHEME_COLOR_EDGERB2, pMatrix);
CFX_Path path;
path.Create();
path.AddRectangle(pRect->left + fWidth, pRect->top + fWidth,
pRect->width - 2 * fWidth, pRect->height - 2 * fWidth);
pGraphics->SaveGraphState();
CFX_Color crFill(FWLTHEME_COLOR_Background);
pGraphics->SetFillColor(&crFill);
pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
pGraphics->RestoreGraphState();
DrawArrow(pGraphics, pRect, eDict,
eState == FWLTHEME_STATE_Disabale ? 0xFFA0A0A0 : 0xFF000000,
eState == FWLTHEME_STATE_Pressed, pMatrix);
}
#endif
void CFWL_ScrollBarTP::SetThemeData(FX_DWORD 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);
}
}
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