// 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; | |
} | |