diff options
Diffstat (limited to 'fpdfsdk/pdfwindow/PWL_ListCtrl.cpp')
| -rw-r--r-- | fpdfsdk/pdfwindow/PWL_ListCtrl.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp b/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp new file mode 100644 index 0000000000..7c2c1f4d17 --- /dev/null +++ b/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp @@ -0,0 +1,204 @@ +// 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 "fpdfsdk/include/pdfwindow/PWL_ListCtrl.h" +#include "fpdfsdk/include/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(); +} + +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); +} |