diff options
Diffstat (limited to 'fpdfsdk/src/pdfwindow/PWL_ListCtrl.cpp')
| -rw-r--r-- | fpdfsdk/src/pdfwindow/PWL_ListCtrl.cpp | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/fpdfsdk/src/pdfwindow/PWL_ListCtrl.cpp b/fpdfsdk/src/pdfwindow/PWL_ListCtrl.cpp new file mode 100644 index 0000000000..603bb4a139 --- /dev/null +++ b/fpdfsdk/src/pdfwindow/PWL_ListCtrl.cpp @@ -0,0 +1,245 @@ +// 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);
+}
+
|