From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- fpdfsdk/src/pdfwindow/PWL_ListBox.cpp | 632 ++++++++++++++++++++++++++++++++++ 1 file changed, 632 insertions(+) create mode 100644 fpdfsdk/src/pdfwindow/PWL_ListBox.cpp (limited to 'fpdfsdk/src/pdfwindow/PWL_ListBox.cpp') 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(); iGetItemRect(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(); iGetItemRect(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;iGetCount();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; +} + -- cgit v1.2.3