| // 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; |
| } |
| |