| // 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 "core/fxge/include/fx_ge.h" |
| #include "fpdfsdk/pdfwindow/PWL_ListCtrl.h" |
| #include "fpdfsdk/pdfwindow/PWL_Wnd.h" |
| |
| CPWL_ListCtrl::CPWL_ListCtrl() |
| : m_rcContent(0, 0, 0, 0), |
| m_ptScroll(0, 0), |
| m_fItemSpace(0.0f), |
| m_fTopSpace(0.0f), |
| m_fBottomSpace(0.0f) {} |
| |
| CPWL_ListCtrl::~CPWL_ListCtrl() {} |
| |
| void CPWL_ListCtrl::SetScrollPos(const CFX_FloatPoint& point) { |
| m_ptScroll = point; |
| |
| if (m_ptScroll.x < m_rcContent.left) |
| m_ptScroll.x = m_rcContent.left; |
| |
| if (m_ptScroll.x > m_rcContent.right) |
| m_ptScroll.x = m_rcContent.right; |
| |
| if (m_ptScroll.y > m_rcContent.top) |
| m_ptScroll.y = m_rcContent.top; |
| |
| if (m_ptScroll.y < m_rcContent.bottom) |
| m_ptScroll.y = m_rcContent.bottom; |
| } |
| |
| CFX_FloatPoint CPWL_ListCtrl::GetScrollPos() const { |
| return m_ptScroll; |
| } |
| |
| CFX_FloatRect CPWL_ListCtrl::GetScrollArea() const { |
| return m_rcContent; |
| } |
| |
| void CPWL_ListCtrl::ResetFace() { |
| ResetAll(FALSE, 0); |
| } |
| |
| void CPWL_ListCtrl::ResetContent(int32_t nStart) { |
| if (nStart < 0) |
| nStart = 0; |
| if (nStart >= 0 && nStart < m_aChildren.GetSize()) |
| ResetAll(TRUE, nStart); |
| } |
| |
| FX_FLOAT CPWL_ListCtrl::GetContentsHeight(FX_FLOAT fLimitWidth) { |
| FX_FLOAT fRet = m_fTopSpace; |
| |
| FX_FLOAT fBorderWidth = (FX_FLOAT)GetBorderWidth(); |
| |
| if (fLimitWidth > fBorderWidth * 2) { |
| for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) { |
| if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) { |
| FX_FLOAT fLeft = pChild->GetItemLeftMargin(); |
| FX_FLOAT fRight = pChild->GetItemRightMargin(); |
| |
| fRet += pChild->GetItemHeight(fLimitWidth - fBorderWidth * 2 - fLeft - |
| fRight); |
| fRet += m_fItemSpace; |
| } |
| } |
| |
| fRet -= m_fItemSpace; |
| } |
| |
| fRet += m_fBottomSpace; |
| |
| return fRet; |
| } |
| |
| void CPWL_ListCtrl::ResetAll(FX_BOOL bMove, int32_t nStart) { |
| CFX_FloatRect rcClient = GetClientRect(); |
| |
| FX_FLOAT fWidth = rcClient.Width(); |
| |
| FX_FLOAT fy = 0.0f - m_fTopSpace; |
| |
| if (nStart - 1 >= 0 && nStart - 1 < m_aChildren.GetSize()) |
| if (CPWL_Wnd* pChild = m_aChildren.GetAt(nStart - 1)) |
| fy = pChild->GetWindowRect().bottom - m_fItemSpace; |
| |
| for (int32_t i = nStart, sz = m_aChildren.GetSize(); i < sz; i++) { |
| if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) { |
| FX_FLOAT fLeft = pChild->GetItemLeftMargin(); |
| FX_FLOAT fRight = pChild->GetItemRightMargin(); |
| |
| pChild->SetChildMatrix(CFX_Matrix(1, 0, 0, 1, |
| rcClient.left - m_ptScroll.x, |
| rcClient.top - m_ptScroll.y)); |
| |
| if (bMove) { |
| FX_FLOAT fItemHeight = pChild->GetItemHeight(fWidth - fLeft - fRight); |
| pChild->Move( |
| CFX_FloatRect(fLeft, fy - fItemHeight, fWidth - fRight, fy), TRUE, |
| FALSE); |
| fy -= fItemHeight; |
| fy -= m_fItemSpace; |
| } |
| } |
| } |
| |
| fy += m_fItemSpace; |
| |
| fy -= m_fBottomSpace; |
| |
| if (bMove) { |
| m_rcContent.left = 0; |
| m_rcContent.top = 0; |
| m_rcContent.right = fWidth; |
| m_rcContent.bottom = fy; |
| } |
| } |
| |
| void CPWL_ListCtrl::SetItemSpace(FX_FLOAT fSpace) { |
| m_fItemSpace = fSpace; |
| } |
| |
| void CPWL_ListCtrl::SetTopSpace(FX_FLOAT fSpace) { |
| m_fTopSpace = fSpace; |
| } |
| |
| void CPWL_ListCtrl::SetBottomSpace(FX_FLOAT fSpace) { |
| m_fBottomSpace = fSpace; |
| } |
| |
| void CPWL_ListCtrl::RePosChildWnd() { |
| ResetFace(); |
| } |
| |
| void CPWL_ListCtrl::DrawChildAppearance(CFX_RenderDevice* pDevice, |
| CFX_Matrix* pUser2Device) { |
| pDevice->SaveState(); |
| CFX_FloatRect rcClient = GetClientRect(); |
| CFX_FloatRect rcTemp = rcClient; |
| pUser2Device->TransformRect(rcTemp); |
| pDevice->SetClip_Rect(FX_RECT((int32_t)rcTemp.left, (int32_t)rcTemp.bottom, |
| (int32_t)rcTemp.right, (int32_t)rcTemp.top)); |
| |
| for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) { |
| if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) { |
| CFX_FloatRect rcChild = pChild->ChildToParent(pChild->GetWindowRect()); |
| if (!(rcChild.top < rcClient.bottom || rcChild.bottom > rcClient.top)) { |
| CFX_Matrix mt = pChild->GetChildMatrix(); |
| if (mt.IsIdentity()) { |
| pChild->DrawAppearance(pDevice, pUser2Device); |
| } else { |
| mt.Concat(*pUser2Device); |
| pChild->DrawAppearance(pDevice, &mt); |
| } |
| } |
| } |
| } |
| |
| pDevice->RestoreState(false); |
| } |
| |
| int32_t CPWL_ListCtrl::GetItemIndex(CPWL_Wnd* pItem) { |
| for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) { |
| if (pItem == m_aChildren.GetAt(i)) |
| return i; |
| } |
| |
| return -1; |
| } |
| |
| CFX_FloatPoint CPWL_ListCtrl::InToOut(const CFX_FloatPoint& point) const { |
| CFX_FloatRect rcClient = GetClientRect(); |
| |
| return CFX_FloatPoint(point.x + rcClient.left - m_ptScroll.x, |
| point.y + rcClient.top - m_ptScroll.y); |
| } |
| |
| CFX_FloatPoint CPWL_ListCtrl::OutToIn(const CFX_FloatPoint& point) const { |
| CFX_FloatRect rcClient = GetClientRect(); |
| |
| return CFX_FloatPoint(point.x - rcClient.left + m_ptScroll.x, |
| point.y - rcClient.top + m_ptScroll.y); |
| } |
| |
| CFX_FloatRect CPWL_ListCtrl::InToOut(const CFX_FloatRect& rect) const { |
| CFX_FloatRect rcClient = GetClientRect(); |
| |
| return CFX_FloatRect(rect.left + rcClient.left - m_ptScroll.x, |
| rect.bottom + rcClient.top - m_ptScroll.y, |
| rect.right + rcClient.left - m_ptScroll.x, |
| rect.top + rcClient.top - m_ptScroll.y); |
| } |
| |
| CFX_FloatRect CPWL_ListCtrl::OutToIn(const CFX_FloatRect& rect) const { |
| CFX_FloatRect rcClient = GetClientRect(); |
| |
| return CFX_FloatRect(rect.left - rcClient.left + m_ptScroll.x, |
| rect.bottom - rcClient.top + m_ptScroll.y, |
| rect.right - rcClient.left + m_ptScroll.x, |
| rect.top - rcClient.top + m_ptScroll.y); |
| } |