diff options
Diffstat (limited to 'fpdfsdk/pwl/cpwl_list_box.cpp')
| -rw-r--r-- | fpdfsdk/pwl/cpwl_list_box.cpp | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_list_box.cpp b/fpdfsdk/pwl/cpwl_list_box.cpp new file mode 100644 index 0000000000..060b3f6ee3 --- /dev/null +++ b/fpdfsdk/pwl/cpwl_list_box.cpp @@ -0,0 +1,375 @@ +// 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/pwl/cpwl_list_box.h" + +#include <sstream> + +#include "core/fxge/cfx_renderdevice.h" +#include "fpdfsdk/pwl/cpwl_edit.h" +#include "fpdfsdk/pwl/cpwl_edit_ctrl.h" +#include "fpdfsdk/pwl/cpwl_edit_impl.h" +#include "fpdfsdk/pwl/cpwl_list_impl.h" +#include "fpdfsdk/pwl/cpwl_scroll_bar.h" +#include "fpdfsdk/pwl/cpwl_wnd.h" +#include "public/fpdf_fwlevent.h" +#include "third_party/base/ptr_util.h" + +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(float fPlateMin, + float fPlateMax, + float fContentMin, + float fContentMax, + float fSmallStep, + float fBigStep) { + PWL_SCROLL_INFO Info; + Info.fPlateWidth = fPlateMax - fPlateMin; + Info.fContentMin = fContentMin; + Info.fContentMax = fContentMax; + Info.fSmallStep = fSmallStep; + Info.fBigStep = fBigStep; + m_pList->SetScrollInfo(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(float fy) { + m_pList->SetScrollPosition(fy); +} + +void CPWL_List_Notify::IOnInvalidateRect(CFX_FloatRect* pRect) { + m_pList->InvalidateRect(pRect); +} + +CPWL_ListBox::CPWL_ListBox() + : m_pList(new CPWL_ListCtrl), + m_bMouseDown(false), + m_bHoverSel(false), + m_pFillerNotify(nullptr) {} + +CPWL_ListBox::~CPWL_ListBox() {} + +CFX_ByteString CPWL_ListBox::GetClassName() const { + return "CPWL_ListBox"; +} + +void CPWL_ListBox::OnCreated() { + m_pList->SetFontMap(GetFontMap()); + m_pListNotify = pdfium::MakeUnique<CPWL_List_Notify>(this); + m_pList->SetNotify(m_pListNotify.get()); + + SetHoverSel(HasFlag(PLBS_HOVERSEL)); + m_pList->SetMultipleSel(HasFlag(PLBS_MULTIPLESEL)); + m_pList->SetFontSize(GetCreationParam().fFontSize); + + m_bHoverSel = HasFlag(PLBS_HOVERSEL); +} + +void CPWL_ListBox::OnDestroy() { + // Make sure the notifier is removed from the list as we are about to + // destroy the notifier and don't want to leave a dangling pointer. + m_pList->SetNotify(nullptr); + m_pListNotify.reset(); +} + +void CPWL_ListBox::DrawThisAppearance(CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device) { + CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device); + + 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_PointF ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f); + if (CPWL_EditImpl* 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)) { + CFX_SystemHandler* pSysHandler = GetSystemHandler(); + if (pSysHandler && pSysHandler->IsSelectionImplemented()) { + CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i), + GetTextColor().ToFXColor(255), rcList, ptOffset, + nullptr, pSysHandler, m_pFormFiller.Get()); + pSysHandler->OutputSelectedRect(m_pFormFiller.Get(), rcItem); + } else { + pDevice->DrawFillRect(pUser2Device, rcItem, + ArgbEncode(255, 0, 51, 113)); + CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i), + ArgbEncode(255, 255, 255, 255), rcList, + ptOffset, nullptr, pSysHandler, + m_pFormFiller.Get()); + } + } else { + CFX_SystemHandler* pSysHandler = GetSystemHandler(); + CPWL_EditImpl::DrawEdit(pDevice, pUser2Device, m_pList->GetItemEdit(i), + GetTextColor().ToFXColor(255), rcList, ptOffset, + nullptr, pSysHandler, nullptr); + } + } +} + +bool CPWL_ListBox::OnKeyDown(uint16_t nChar, uint32_t nFlag) { + CPWL_Wnd::OnKeyDown(nChar, nFlag); + + 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; + } + OnNotifySelectionChanged(true, nFlag); + return true; +} + +bool CPWL_ListBox::OnChar(uint16_t nChar, uint32_t nFlag) { + CPWL_Wnd::OnChar(nChar, nFlag); + + if (!m_pList->OnChar(nChar, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag))) + return false; + + OnNotifySelectionChanged(true, nFlag); + return true; +} + +bool CPWL_ListBox::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) { + CPWL_Wnd::OnLButtonDown(point, nFlag); + + if (ClientHitTest(point)) { + m_bMouseDown = true; + SetFocus(); + SetCapture(); + + m_pList->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag)); + } + + return true; +} + +bool CPWL_ListBox::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) { + CPWL_Wnd::OnLButtonUp(point, nFlag); + + if (m_bMouseDown) { + ReleaseCapture(); + m_bMouseDown = false; + } + OnNotifySelectionChanged(false, nFlag); + return true; +} + +void CPWL_ListBox::SetHoverSel(bool bHoverSel) { + m_bHoverSel = bHoverSel; +} + +bool CPWL_ListBox::OnMouseMove(const CFX_PointF& point, uint32_t nFlag) { + CPWL_Wnd::OnMouseMove(point, nFlag); + + if (m_bHoverSel && !IsCaptureMouse() && ClientHitTest(point)) + m_pList->Select(m_pList->GetItemIndex(point)); + if (m_bMouseDown) + m_pList->OnMouseMove(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag)); + + return true; +} + +void CPWL_ListBox::SetScrollInfo(const PWL_SCROLL_INFO& info) { + if (CPWL_Wnd* pChild = GetVScrollBar()) + pChild->SetScrollInfo(info); +} + +void CPWL_ListBox::SetScrollPosition(float pos) { + if (CPWL_Wnd* pChild = GetVScrollBar()) + pChild->SetScrollPosition(pos); +} + +void CPWL_ListBox::ScrollWindowVertically(float pos) { + m_pList->SetScrollPos(CFX_PointF(0, pos)); +} + +void CPWL_ListBox::KillFocus() { + CPWL_Wnd::KillFocus(); +} + +void CPWL_ListBox::RePosChildWnd() { + CPWL_Wnd::RePosChildWnd(); + + m_pList->SetPlateRect(GetListRect()); +} + +bool CPWL_ListBox::OnNotifySelectionChanged(bool bKeyDown, uint32_t nFlag) { + if (!m_pFillerNotify) + return false; + + CFX_WideString swChange = GetText(); + CFX_WideString strChangeEx; + int nSelStart = 0; + int nSelEnd = swChange.GetLength(); + bool bRC; + bool bExit; + std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke( + GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, bKeyDown, + nFlag); + return bExit; +} + +CFX_FloatRect CPWL_ListBox::GetFocusRect() const { + if (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 CFX_WideString& str) { + m_pList->AddString(str); +} + +CFX_WideString CPWL_ListBox::GetText() const { + return m_pList->GetText(); +} + +void CPWL_ListBox::SetFontSize(float fFontSize) { + m_pList->SetFontSize(fFontSize); +} + +float CPWL_ListBox::GetFontSize() const { + return m_pList->GetFontSize(); +} + +void CPWL_ListBox::Select(int32_t nItemIndex) { + m_pList->Select(nItemIndex); +} + +void CPWL_ListBox::SetCaret(int32_t nItemIndex) { + m_pList->SetCaret(nItemIndex); +} + +void CPWL_ListBox::SetTopVisibleIndex(int32_t nItemIndex) { + m_pList->SetTopItem(nItemIndex); +} + +void CPWL_ListBox::ScrollToListItem(int32_t nItemIndex) { + m_pList->ScrollToListItem(nItemIndex); +} + +void CPWL_ListBox::ResetContent() { + m_pList->Empty(); +} + +void CPWL_ListBox::Reset() { + m_pList->Cancel(); +} + +bool CPWL_ListBox::IsMultipleSel() const { + return m_pList->IsMultipleSel(); +} + +int32_t CPWL_ListBox::GetCaretIndex() const { + return m_pList->GetCaret(); +} + +int32_t CPWL_ListBox::GetCurSel() const { + return m_pList->GetSelect(); +} + +bool CPWL_ListBox::IsItemSelected(int32_t nItemIndex) const { + return m_pList->IsItemSelected(nItemIndex); +} + +int32_t CPWL_ListBox::GetTopVisibleIndex() const { + m_pList->ScrollToListItem(m_pList->GetFirstSelected()); + return m_pList->GetTopItem(); +} + +int32_t CPWL_ListBox::GetCount() const { + return m_pList->GetCount(); +} + +int32_t CPWL_ListBox::FindNext(int32_t nIndex, wchar_t nChar) const { + return m_pList->FindNext(nIndex, nChar); +} + +CFX_FloatRect CPWL_ListBox::GetContentRect() const { + return m_pList->GetContentRect(); +} + +float CPWL_ListBox::GetFirstHeight() const { + return m_pList->GetFirstHeight(); +} + +CFX_FloatRect CPWL_ListBox::GetListRect() const { + float width = static_cast<float>(GetBorderWidth() + GetInnerBorderWidth()); + return GetWindowRect().GetDeflated(width, width); +} + +bool CPWL_ListBox::OnMouseWheel(short zDelta, + const CFX_PointF& point, + uint32_t nFlag) { + if (zDelta < 0) + m_pList->OnVK_DOWN(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag)); + else + m_pList->OnVK_UP(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag)); + + OnNotifySelectionChanged(false, nFlag); + return true; +} |