// 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 "../../include/pdfwindow/PDFWindow.h" | |
#include "../../include/pdfwindow/PWL_Wnd.h" | |
#include "../../include/pdfwindow/PWL_ListCtrl.h" | |
/* ---------------------------- CPWL_ListCtrl ---------------------------- */ | |
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 CPDF_Point& 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; | |
} | |
CPDF_Point CPWL_ListCtrl::GetScrollPos() const | |
{ | |
return m_ptScroll; | |
} | |
CPDF_Rect CPWL_ListCtrl::GetScrollArea() const | |
{ | |
return m_rcContent; | |
} | |
void CPWL_ListCtrl::ResetFace() | |
{ | |
ResetAll(FALSE, 0); | |
} | |
void CPWL_ListCtrl::ResetContent(FX_INT32 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)this->GetBorderWidth(); | |
if (fLimitWidth > fBorderWidth* 2) | |
{ | |
for (FX_INT32 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, FX_INT32 nStart) | |
{ | |
CPDF_Rect 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 (FX_INT32 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( | |
CPDF_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(CPDF_Rect(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, CPDF_Matrix* pUser2Device) | |
{ | |
pDevice->SaveState(); | |
CPDF_Rect rcClient = GetClientRect(); | |
CPDF_Rect rcTemp = rcClient; | |
pUser2Device->TransformRect(rcTemp); | |
FX_RECT rcClip((FX_INT32)rcTemp.left, | |
(FX_INT32)rcTemp.bottom, | |
(FX_INT32)rcTemp.right, | |
(FX_INT32)rcTemp.top); | |
pDevice->SetClip_Rect(&rcClip); | |
for (FX_INT32 i=0,sz=m_aChildren.GetSize(); i<sz; i++) | |
{ | |
if (CPWL_Wnd * pChild = m_aChildren.GetAt(i)) | |
{ | |
CPDF_Rect rcChild = pChild->ChildToParent(pChild->GetWindowRect()); | |
if (!(rcChild.top < rcClient.bottom || rcChild.bottom > rcClient.top)) | |
{ | |
CPDF_Matrix mt = pChild->GetChildMatrix(); | |
if (mt.IsIdentity()) | |
{ | |
pChild->DrawAppearance(pDevice,pUser2Device); | |
} | |
else | |
{ | |
mt.Concat(*pUser2Device); | |
pChild->DrawAppearance(pDevice,&mt); | |
} | |
} | |
} | |
} | |
pDevice->RestoreState(); | |
} | |
FX_INT32 CPWL_ListCtrl::GetItemIndex(CPWL_Wnd* pItem) | |
{ | |
for (FX_INT32 i=0, sz=m_aChildren.GetSize(); i<sz; i++) | |
{ | |
if (pItem == m_aChildren.GetAt(i)) | |
return i; | |
} | |
return -1; | |
} | |
CPDF_Point CPWL_ListCtrl::InToOut(const CPDF_Point& point) const | |
{ | |
CPDF_Rect rcClient = GetClientRect(); | |
return CPDF_Point(point.x + rcClient.left - m_ptScroll.x, | |
point.y + rcClient.top - m_ptScroll.y); | |
} | |
CPDF_Point CPWL_ListCtrl::OutToIn(const CPDF_Point& point) const | |
{ | |
CPDF_Rect rcClient = GetClientRect(); | |
return CPDF_Point(point.x - rcClient.left + m_ptScroll.x, | |
point.y - rcClient.top + m_ptScroll.y); | |
} | |
CPDF_Rect CPWL_ListCtrl::InToOut(const CPDF_Rect& rect) const | |
{ | |
CPDF_Rect rcClient = GetClientRect(); | |
return CPDF_Rect(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); | |
} | |
CPDF_Rect CPWL_ListCtrl::OutToIn(const CPDF_Rect& rect) const | |
{ | |
CPDF_Rect rcClient = GetClientRect(); | |
return CPDF_Rect(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); | |
} | |