diff options
| author | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
|---|---|---|
| committer | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
| commit | 5110c4743751145c4ae1934cd1d83bc6c55bb43f (patch) | |
| tree | b141608096b73163182764c25b895d3df4b2c182 /fpdfsdk/src/pdfwindow/PWL_ListBox.cpp | |
| parent | 76b563d2feed92ed328afb1f15e3466a9536b11b (diff) | |
| download | pdfium-5110c4743751145c4ae1934cd1d83bc6c55bb43f.tar.xz | |
Initial commit.
Diffstat (limited to 'fpdfsdk/src/pdfwindow/PWL_ListBox.cpp')
| -rw-r--r-- | fpdfsdk/src/pdfwindow/PWL_ListBox.cpp | 632 |
1 files changed, 632 insertions, 0 deletions
diff --git a/fpdfsdk/src/pdfwindow/PWL_ListBox.cpp b/fpdfsdk/src/pdfwindow/PWL_ListBox.cpp new file mode 100644 index 0000000000..951ed93f79 --- /dev/null +++ b/fpdfsdk/src/pdfwindow/PWL_ListBox.cpp @@ -0,0 +1,632 @@ +// 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_ListBox.h"
+#include "../../include/pdfwindow/PWL_Utils.h"
+#include "../../include/pdfwindow/PWL_ScrollBar.h"
+#include "../../include/pdfwindow/PWL_EditCtrl.h"
+#include "../../include/pdfwindow/PWL_Edit.h"
+
+#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
+#define IsFloatBigger(fa,fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatSmaller(fa,fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatEqual(fa,fb) IsFloatZero((fa)-(fb))
+
+/* ------------------------ CPWL_List_Notify ----------------------- */
+
+CPWL_List_Notify::CPWL_List_Notify(CPWL_ListBox* pList) : m_pList(pList)
+{
+ ASSERT(m_pList != NULL);
+}
+
+CPWL_List_Notify::~CPWL_List_Notify()
+{
+}
+
+void CPWL_List_Notify::IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
+ FX_FLOAT fContentMin, FX_FLOAT fContentMax,
+ FX_FLOAT fSmallStep, FX_FLOAT fBigStep)
+{
+ PWL_SCROLL_INFO Info;
+
+ Info.fPlateWidth = fPlateMax - fPlateMin;
+ Info.fContentMin = fContentMin;
+ Info.fContentMax = fContentMax;
+ Info.fSmallStep = fSmallStep;
+ Info.fBigStep = fBigStep;
+
+ m_pList->OnNotify(m_pList,PNM_SETSCROLLINFO,SBT_VSCROLL,(FX_INTPTR)&Info);
+
+ if (CPWL_ScrollBar * pScroll = m_pList->GetVScrollBar())
+ {
+ if (IsFloatBigger(Info.fPlateWidth,Info.fContentMax-Info.fContentMin)
+ || IsFloatEqual(Info.fPlateWidth,Info.fContentMax-Info.fContentMin))
+ {
+ if (pScroll->IsVisible())
+ {
+ pScroll->SetVisible(FALSE);
+ m_pList->RePosChildWnd();
+ }
+ }
+ else
+ {
+ if (!pScroll->IsVisible())
+ {
+ pScroll->SetVisible(TRUE);
+ m_pList->RePosChildWnd();
+ }
+ }
+ }
+}
+
+void CPWL_List_Notify::IOnSetScrollPosY(FX_FLOAT fy)
+{
+ m_pList->OnNotify(m_pList,PNM_SETSCROLLPOS,SBT_VSCROLL,(FX_INTPTR)&fy);
+}
+
+void CPWL_List_Notify::IOnInvalidateRect(CPDF_Rect * pRect)
+{
+ m_pList->InvalidateRect(pRect);
+}
+
+/* --------------------------- CPWL_ListBox ---------------------------- */
+
+CPWL_ListBox::CPWL_ListBox() :
+ m_pList(NULL),
+ m_pListNotify(NULL),
+ m_bMouseDown(FALSE),
+ m_bHoverSel(FALSE),
+ m_pFillerNotify(NULL)
+{
+ m_pList = IFX_List::NewList();
+
+ ASSERT(m_pList != NULL);
+}
+
+CPWL_ListBox::~CPWL_ListBox()
+{
+ IFX_List::DelList(m_pList);
+
+ if (m_pListNotify)
+ {
+ delete m_pListNotify;
+ m_pListNotify = NULL;
+ }
+}
+
+CFX_ByteString CPWL_ListBox::GetClassName() const
+{
+ return "CPWL_ListBox";
+}
+
+void CPWL_ListBox::OnCreated()
+{
+ if (m_pList)
+ {
+ if (m_pListNotify) delete m_pListNotify;
+
+ m_pList->SetFontMap(GetFontMap());
+ m_pList->SetNotify(m_pListNotify = new CPWL_List_Notify(this));
+
+ SetHoverSel(HasFlag(PLBS_HOVERSEL));
+ m_pList->SetMultipleSel(HasFlag(PLBS_MULTIPLESEL));
+ m_pList->SetFontSize(this->GetCreationParam().fFontSize);
+
+ m_bHoverSel = HasFlag(PLBS_HOVERSEL);
+ }
+}
+
+void CPWL_ListBox::OnDestroy()
+{
+ if (m_pListNotify)
+ {
+ delete m_pListNotify;
+ m_pListNotify = NULL;
+ }
+}
+
+void CPWL_ListBox::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
+{
+ CPWL_Wnd::GetThisAppearanceStream(sAppStream);
+
+ CFX_ByteTextBuf sListItems;
+
+ if (m_pList)
+ {
+ CPDF_Rect rcPlate = m_pList->GetPlateRect();
+ for (FX_INT32 i=0,sz=m_pList->GetCount(); i<sz; i++)
+ {
+ CPDF_Rect rcItem = m_pList->GetItemRect(i);
+
+ if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom) continue;
+
+ CPDF_Point ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f);
+ if (m_pList->IsItemSelected(i))
+ {
+ sListItems << CPWL_Utils::GetRectFillAppStream(rcItem,PWL_DEFAULT_SELBACKCOLOR);
+ CFX_ByteString sItem = CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
+ if (sItem.GetLength() > 0)
+ {
+ sListItems << "BT\n" << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELTEXTCOLOR) << sItem << "ET\n";
+ }
+ }
+ else
+ {
+ CFX_ByteString sItem = CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
+ if (sItem.GetLength() > 0)
+ {
+ sListItems << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sItem << "ET\n";
+ }
+ }
+ }
+ }
+
+ if (sListItems.GetLength() > 0)
+ {
+ CFX_ByteTextBuf sClip;
+ CPDF_Rect rcClient = this->GetClientRect();
+
+ sClip << "q\n";
+ sClip << rcClient.left << " " << rcClient.bottom << " "
+ << rcClient.right - rcClient.left << " " << rcClient.top - rcClient.bottom << " re W n\n";
+
+ sClip << sListItems << "Q\n";
+
+ sAppStream << "/Tx BMC\n" << sClip << "EMC\n";
+ }
+}
+
+void CPWL_ListBox::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
+{
+ CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
+
+ if (m_pList)
+ {
+ CPDF_Rect rcPlate = m_pList->GetPlateRect();
+ CPDF_Rect rcList = GetListRect();
+ CPDF_Rect rcClient = GetClientRect();
+
+ for (FX_INT32 i=0,sz=m_pList->GetCount(); i<sz; i++)
+ {
+ CPDF_Rect rcItem = m_pList->GetItemRect(i);
+ if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom) continue;
+
+ CPDF_Point ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f);
+ if (IFX_Edit* pEdit = m_pList->GetItemEdit(i))
+ {
+ CPDF_Rect rcContent = pEdit->GetContentRect();
+ if (rcContent.Width() > rcClient.Width())
+ rcItem.Intersect(rcList);
+ else
+ rcItem.Intersect(rcClient);
+ }
+
+ if (m_pList->IsItemSelected(i))
+ {
+ // CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcItem, ArgbEncode(255,0,51,113));
+ IFX_SystemHandler* pSysHandler = GetSystemHandler();
+ if(pSysHandler && pSysHandler->IsSelectionImplemented())
+ {
+ IFX_Edit::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i), CPWL_Utils::PWLColorToFXColor(GetTextColor()), CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor()),
+ rcList, ptOffset, NULL,pSysHandler, m_pFormFiller);
+ pSysHandler->OutputSelectedRect(m_pFormFiller, rcItem);
+ }
+ else
+ {
+ CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcItem, ArgbEncode(255,0,51,113));
+ IFX_Edit::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i), ArgbEncode(255,255,255,255), 0,
+ rcList, ptOffset, NULL, pSysHandler, m_pFormFiller);
+ }
+ }
+ else
+ {
+ IFX_SystemHandler* pSysHandler = GetSystemHandler();
+ IFX_Edit::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i),
+ CPWL_Utils::PWLColorToFXColor(GetTextColor()),
+ CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor()),
+ rcList, ptOffset, NULL,pSysHandler, NULL);
+
+ }
+ }
+ }
+}
+
+FX_BOOL CPWL_ListBox::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnKeyDown(nChar, nFlag);
+
+ if (!m_pList) return FALSE;
+
+ switch (nChar)
+ {
+ default:
+ return FALSE;
+ case FWL_VKEY_Up:
+ case FWL_VKEY_Down:
+ case FWL_VKEY_Home:
+ case FWL_VKEY_Left:
+ case FWL_VKEY_End:
+ case FWL_VKEY_Right:
+ break;
+ }
+
+ switch (nChar)
+ {
+ case FWL_VKEY_Up:
+ m_pList->OnVK_UP(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Down:
+ m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Home:
+ m_pList->OnVK_HOME(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Left:
+ m_pList->OnVK_LEFT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_End:
+ m_pList->OnVK_END(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Right:
+ m_pList->OnVK_RIGHT(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ break;
+ case FWL_VKEY_Delete:
+ break;
+ }
+
+ FX_BOOL bExit = FALSE;
+ OnNotifySelChanged(TRUE,bExit,nFlag);
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_ListBox::OnChar(FX_WORD nChar, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnChar(nChar,nFlag);
+
+ if (!m_pList) return FALSE;
+
+ if (!m_pList->OnChar(nChar,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag))) return FALSE;
+
+ FX_BOOL bExit = FALSE;
+ OnNotifySelChanged(TRUE,bExit, nFlag);
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_ListBox::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnLButtonDown(point,nFlag);
+
+ if (ClientHitTest(point))
+ {
+ m_bMouseDown = TRUE;
+ SetFocus();
+ SetCapture();
+
+ if (m_pList)
+ m_pList->OnMouseDown(point,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ }
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_ListBox::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnLButtonUp(point,nFlag);
+
+ if (m_bMouseDown)
+ {
+ ReleaseCapture();
+ m_bMouseDown = FALSE;
+ }
+
+ FX_BOOL bExit = FALSE;
+ OnNotifySelChanged(FALSE,bExit,nFlag);
+
+ return TRUE;
+}
+
+void CPWL_ListBox::SetHoverSel(FX_BOOL bHoverSel)
+{
+ m_bHoverSel = bHoverSel;
+}
+
+FX_BOOL CPWL_ListBox::OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag)
+{
+ CPWL_Wnd::OnMouseMove(point, nFlag);
+
+ if (m_bHoverSel && !IsCaptureMouse() && ClientHitTest(point))
+ {
+ if (m_pList)
+ m_pList->Select(m_pList->GetItemIndex(point));
+ }
+
+ if (m_bMouseDown)
+ {
+ if (m_pList)
+ m_pList->OnMouseMove(point,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ }
+
+ return TRUE;
+}
+
+void CPWL_ListBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam)
+{
+ CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam);
+
+ FX_FLOAT fPos;
+
+ switch (msg)
+ {
+ case PNM_SETSCROLLINFO:
+ switch (wParam)
+ {
+ case SBT_VSCROLL:
+ if (CPWL_Wnd * pChild = GetVScrollBar())
+ {
+ pChild->OnNotify(pWnd,PNM_SETSCROLLINFO,wParam,lParam);
+ }
+ break;
+ }
+ break;
+ case PNM_SETSCROLLPOS:
+ switch (wParam)
+ {
+ case SBT_VSCROLL:
+ if (CPWL_Wnd * pChild = GetVScrollBar())
+ {
+ pChild->OnNotify(pWnd,PNM_SETSCROLLPOS,wParam,lParam);
+ }
+ break;
+ }
+ break;
+ case PNM_SCROLLWINDOW:
+ fPos = *(FX_FLOAT*)lParam;
+ switch (wParam)
+ {
+ case SBT_VSCROLL:
+ if (m_pList)
+ m_pList->SetScrollPos(CPDF_Point(0,fPos));
+ break;
+ }
+ break;
+ }
+}
+
+void CPWL_ListBox::KillFocus()
+{
+ CPWL_Wnd::KillFocus();
+
+ /*
+ if (this->IsMultipleSel())
+ {
+ for(FX_INT32 i=0;i<this->GetCount();i++)
+ {
+ if (this->IsListItemSelected(i))
+ {
+ if (!IsListItemVisible(i))
+ this->ScrollToListItem(i);
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (!IsListItemVisible(this->GetCurSel()))
+ this->ScrollToListItem(this->GetCurSel());
+ }
+
+ SetListItemCaret(m_nCaretIndex,FALSE);
+ */
+}
+
+void CPWL_ListBox::RePosChildWnd()
+{
+ CPWL_Wnd::RePosChildWnd();
+
+ if (m_pList)
+ m_pList->SetPlateRect(GetListRect());
+}
+
+void CPWL_ListBox::OnNotifySelChanged(FX_BOOL bKeyDown, FX_BOOL & bExit, FX_DWORD nFlag)
+{
+ if (m_pFillerNotify)
+ {
+ FX_BOOL bRC = TRUE;
+ CFX_WideString swChange = GetText();
+ CFX_WideString strChangeEx;
+ int nSelStart = 0;
+ int nSelEnd = swChange.GetLength();
+ m_pFillerNotify->OnBeforeKeyStroke(FALSE, GetAttachedData(), 0, swChange, strChangeEx, nSelStart, nSelEnd, bKeyDown, bRC, bExit, nFlag);
+ if (bExit) return;
+
+ m_pFillerNotify->OnAfterKeyStroke(FALSE, GetAttachedData(), bExit,nFlag);
+ }
+}
+
+CPDF_Rect CPWL_ListBox::GetFocusRect() const
+{
+ if (m_pList && m_pList->IsMultipleSel())
+ {
+ CPDF_Rect rcCaret = m_pList->GetItemRect(m_pList->GetCaret());
+ rcCaret.Intersect(GetClientRect());
+ return rcCaret;
+ }
+
+ return CPWL_Wnd::GetFocusRect();
+}
+
+void CPWL_ListBox::AddString(FX_LPCWSTR string)
+{
+ if (m_pList)
+ {
+ m_pList->AddString(string);
+ }
+}
+
+void CPWL_ListBox::SetText(FX_LPCWSTR csText,FX_BOOL bRefresh)
+{
+ //return CPDF_List::SetText(csText,bRefresh);
+}
+
+CFX_WideString CPWL_ListBox::GetText() const
+{
+ if (m_pList)
+ return m_pList->GetText();
+
+ return L"";
+}
+
+void CPWL_ListBox::SetFontSize(FX_FLOAT fFontSize)
+{
+ if (m_pList)
+ m_pList->SetFontSize(fFontSize);
+}
+
+FX_FLOAT CPWL_ListBox::GetFontSize() const
+{
+ if (m_pList)
+ return m_pList->GetFontSize();
+ return 0.0f;
+}
+
+void CPWL_ListBox::Select(FX_INT32 nItemIndex)
+{
+ if (m_pList)
+ m_pList->Select(nItemIndex);
+}
+
+void CPWL_ListBox::SetCaret(FX_INT32 nItemIndex)
+{
+ if (m_pList)
+ m_pList->SetCaret(nItemIndex);
+}
+
+void CPWL_ListBox::SetTopVisibleIndex(FX_INT32 nItemIndex)
+{
+ if (m_pList)
+ m_pList->SetTopItem(nItemIndex);
+}
+
+void CPWL_ListBox::ScrollToListItem(FX_INT32 nItemIndex)
+{
+ if (m_pList)
+ m_pList->ScrollToListItem(nItemIndex);
+}
+
+void CPWL_ListBox::ResetContent()
+{
+ if (m_pList)
+ m_pList->Empty();
+}
+
+void CPWL_ListBox::Reset()
+{
+ if (m_pList)
+ m_pList->Cancel();
+}
+
+FX_BOOL CPWL_ListBox::IsMultipleSel() const
+{
+ if (m_pList)
+ return m_pList->IsMultipleSel();
+
+ return FALSE;
+}
+
+FX_INT32 CPWL_ListBox::GetCaretIndex() const
+{
+ if (m_pList)
+ return m_pList->GetCaret();
+
+ return -1;
+}
+
+FX_INT32 CPWL_ListBox::GetCurSel() const
+{
+ if (m_pList)
+ return m_pList->GetSelect();
+
+ return -1;
+}
+
+FX_BOOL CPWL_ListBox::IsItemSelected(FX_INT32 nItemIndex) const
+{
+ if (m_pList)
+ return m_pList->IsItemSelected(nItemIndex);
+
+ return FALSE;
+}
+
+FX_INT32 CPWL_ListBox::GetTopVisibleIndex() const
+{
+ if (m_pList)
+ {
+ m_pList->ScrollToListItem(m_pList->GetFirstSelected());
+ return m_pList->GetTopItem();
+ }
+
+ return -1;
+}
+
+FX_INT32 CPWL_ListBox::GetCount() const
+{
+ if (m_pList)
+ return m_pList->GetCount();
+
+ return 0;
+}
+
+FX_INT32 CPWL_ListBox::FindNext(FX_INT32 nIndex,FX_WCHAR nChar) const
+{
+ if (m_pList)
+ return m_pList->FindNext(nIndex,nChar);
+
+ return nIndex;
+}
+
+CPDF_Rect CPWL_ListBox::GetContentRect() const
+{
+ if (m_pList)
+ return m_pList->GetContentRect();
+
+ return CPDF_Rect();
+}
+
+FX_FLOAT CPWL_ListBox::GetFirstHeight() const
+{
+ if (m_pList)
+ return m_pList->GetFirstHeight();
+
+ return 0.0f;
+}
+
+CPDF_Rect CPWL_ListBox::GetListRect() const
+{
+ return CPWL_Utils::DeflateRect(GetWindowRect(),(FX_FLOAT)(GetBorderWidth()+GetInnerBorderWidth()));
+}
+
+FX_BOOL CPWL_ListBox::OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag)
+{
+ if (!m_pList) return FALSE;
+
+ if (zDelta < 0)
+ {
+ m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ }
+ else
+ {
+ m_pList->OnVK_UP(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
+ }
+
+ FX_BOOL bExit = FALSE;
+ OnNotifySelChanged(FALSE,bExit, nFlag);
+ return TRUE;
+}
+
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