diff options
Diffstat (limited to 'fpdfsdk/pdfwindow/PWL_ListBox.cpp')
| -rw-r--r-- | fpdfsdk/pdfwindow/PWL_ListBox.cpp | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_ListBox.cpp b/fpdfsdk/pdfwindow/PWL_ListBox.cpp new file mode 100644 index 0000000000..2c0b79d2f1 --- /dev/null +++ b/fpdfsdk/pdfwindow/PWL_ListBox.cpp @@ -0,0 +1,533 @@ +// 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 "fpdfsdk/include/pdfwindow/PWL_ListBox.h" + +#include "fpdfsdk/include/pdfwindow/PWL_Edit.h" +#include "fpdfsdk/include/pdfwindow/PWL_EditCtrl.h" +#include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h" +#include "fpdfsdk/include/pdfwindow/PWL_Utils.h" +#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h" +#include "public/fpdf_fwlevent.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_ListBox* pList) : m_pList(pList) { + ASSERT(m_pList); +} + +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, (intptr_t)&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, (intptr_t)&fy); +} + +void CPWL_List_Notify::IOnInvalidateRect(CFX_FloatRect* pRect) { + m_pList->InvalidateRect(pRect); +} + +CPWL_ListBox::CPWL_ListBox() + : m_pList(NULL), + m_pListNotify(NULL), + m_bMouseDown(FALSE), + m_bHoverSel(FALSE), + m_pFillerNotify(NULL) { + m_pList = IFX_List::NewList(); +} + +CPWL_ListBox::~CPWL_ListBox() { + IFX_List::DelList(m_pList); + delete m_pListNotify; + m_pListNotify = NULL; +} + +CFX_ByteString CPWL_ListBox::GetClassName() const { + return "CPWL_ListBox"; +} + +void CPWL_ListBox::OnCreated() { + if (m_pList) { + 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(GetCreationParam().fFontSize); + + m_bHoverSel = HasFlag(PLBS_HOVERSEL); + } +} + +void CPWL_ListBox::OnDestroy() { + delete m_pListNotify; + m_pListNotify = NULL; +} + +void CPWL_ListBox::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) { + CPWL_Wnd::GetThisAppearanceStream(sAppStream); + + CFX_ByteTextBuf sListItems; + + if (m_pList) { + CFX_FloatRect rcPlate = m_pList->GetPlateRect(); + for (int32_t i = 0, sz = m_pList->GetCount(); i < sz; i++) { + CFX_FloatRect rcItem = m_pList->GetItemRect(i); + + if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom) + continue; + + CFX_FloatPoint 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; + CFX_FloatRect rcClient = 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, + CFX_Matrix* pUser2Device) { + CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device); + + if (m_pList) { + CFX_FloatRect rcPlate = m_pList->GetPlateRect(); + CFX_FloatRect rcList = GetListRect(); + CFX_FloatRect rcClient = GetClientRect(); + + for (int32_t i = 0, sz = m_pList->GetCount(); i < sz; i++) { + CFX_FloatRect rcItem = m_pList->GetItemRect(i); + if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom) + continue; + + CFX_FloatPoint ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f); + if (IFX_Edit* pEdit = m_pList->GetItemEdit(i)) { + CFX_FloatRect rcContent = pEdit->GetContentRect(); + if (rcContent.Width() > rcClient.Width()) + rcItem.Intersect(rcList); + else + rcItem.Intersect(rcClient); + } + + if (m_pList->IsItemSelected(i)) { + 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 CFX_FloatPoint& 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 CFX_FloatPoint& 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 CFX_FloatPoint& 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, + intptr_t wParam, + intptr_t 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(CFX_FloatPoint(0, fPos)); + break; + } + break; + } +} + +void CPWL_ListBox::KillFocus() { + CPWL_Wnd::KillFocus(); +} + +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) + return; + + FX_BOOL bRC = TRUE; + CFX_WideString swChange = GetText(); + CFX_WideString strChangeEx; + int nSelStart = 0; + int nSelEnd = swChange.GetLength(); + m_pFillerNotify->OnBeforeKeyStroke(GetAttachedData(), swChange, strChangeEx, + nSelStart, nSelEnd, bKeyDown, bRC, bExit, + nFlag); +} + +CFX_FloatRect CPWL_ListBox::GetFocusRect() const { + if (m_pList && m_pList->IsMultipleSel()) { + CFX_FloatRect rcCaret = m_pList->GetItemRect(m_pList->GetCaret()); + rcCaret.Intersect(GetClientRect()); + return rcCaret; + } + + return CPWL_Wnd::GetFocusRect(); +} + +void CPWL_ListBox::AddString(const FX_WCHAR* str) { + if (m_pList) { + m_pList->AddString(str); + } +} + +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(int32_t nItemIndex) { + if (m_pList) + m_pList->Select(nItemIndex); +} + +void CPWL_ListBox::SetCaret(int32_t nItemIndex) { + if (m_pList) + m_pList->SetCaret(nItemIndex); +} + +void CPWL_ListBox::SetTopVisibleIndex(int32_t nItemIndex) { + if (m_pList) + m_pList->SetTopItem(nItemIndex); +} + +void CPWL_ListBox::ScrollToListItem(int32_t 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; +} + +int32_t CPWL_ListBox::GetCaretIndex() const { + if (m_pList) + return m_pList->GetCaret(); + + return -1; +} + +int32_t CPWL_ListBox::GetCurSel() const { + if (m_pList) + return m_pList->GetSelect(); + + return -1; +} + +FX_BOOL CPWL_ListBox::IsItemSelected(int32_t nItemIndex) const { + if (m_pList) + return m_pList->IsItemSelected(nItemIndex); + + return FALSE; +} + +int32_t CPWL_ListBox::GetTopVisibleIndex() const { + if (m_pList) { + m_pList->ScrollToListItem(m_pList->GetFirstSelected()); + return m_pList->GetTopItem(); + } + + return -1; +} + +int32_t CPWL_ListBox::GetCount() const { + if (m_pList) + return m_pList->GetCount(); + + return 0; +} + +int32_t CPWL_ListBox::FindNext(int32_t nIndex, FX_WCHAR nChar) const { + if (m_pList) + return m_pList->FindNext(nIndex, nChar); + + return nIndex; +} + +CFX_FloatRect CPWL_ListBox::GetContentRect() const { + if (m_pList) + return m_pList->GetContentRect(); + + return CFX_FloatRect(); +} + +FX_FLOAT CPWL_ListBox::GetFirstHeight() const { + if (m_pList) + return m_pList->GetFirstHeight(); + + return 0.0f; +} + +CFX_FloatRect CPWL_ListBox::GetListRect() const { + return CPWL_Utils::DeflateRect( + GetWindowRect(), (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth())); +} + +FX_BOOL CPWL_ListBox::OnMouseWheel(short zDelta, + const CFX_FloatPoint& 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; +} |