diff options
Diffstat (limited to 'xfa/fxfa/cxfa_ffcombobox.cpp')
| -rw-r--r-- | xfa/fxfa/cxfa_ffcombobox.cpp | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/xfa/fxfa/cxfa_ffcombobox.cpp b/xfa/fxfa/cxfa_ffcombobox.cpp new file mode 100644 index 0000000000..e256616521 --- /dev/null +++ b/xfa/fxfa/cxfa_ffcombobox.cpp @@ -0,0 +1,360 @@ +// 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 "xfa/fxfa/cxfa_ffcombobox.h" + +#include <utility> +#include <vector> + +#include "xfa/fwl/cfwl_combobox.h" +#include "xfa/fwl/cfwl_eventselectchanged.h" +#include "xfa/fwl/cfwl_notedriver.h" +#include "xfa/fxfa/cxfa_eventparam.h" +#include "xfa/fxfa/cxfa_ffdocview.h" + +namespace { + +CFWL_ComboBox* ToComboBox(CFWL_Widget* widget) { + return static_cast<CFWL_ComboBox*>(widget); +} + +} // namespace + +CXFA_FFComboBox::CXFA_FFComboBox(CXFA_WidgetAcc* pDataAcc) + : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {} + +CXFA_FFComboBox::~CXFA_FFComboBox() {} + +CFX_RectF CXFA_FFComboBox::GetBBox(uint32_t dwStatus, bool bDrawFocus) { + return bDrawFocus ? CFX_RectF() : CXFA_FFWidget::GetBBox(dwStatus); +} + +bool CXFA_FFComboBox::PtInActiveRect(const CFX_PointF& point) { + auto* pComboBox = ToComboBox(m_pNormalWidget.get()); + return pComboBox && pComboBox->GetBBox().Contains(point); +} + +bool CXFA_FFComboBox::LoadWidget() { + auto pNew = pdfium::MakeUnique<CFWL_ComboBox>(GetFWLApp()); + CFWL_ComboBox* pComboBox = pNew.get(); + m_pNormalWidget = std::move(pNew); + m_pNormalWidget->SetLayoutItem(this); + + CFWL_NoteDriver* pNoteDriver = + m_pNormalWidget->GetOwnerApp()->GetNoteDriver(); + pNoteDriver->RegisterEventTarget(m_pNormalWidget.get(), + m_pNormalWidget.get()); + m_pOldDelegate = m_pNormalWidget->GetDelegate(); + m_pNormalWidget->SetDelegate(this); + m_pNormalWidget->LockUpdate(); + + for (const auto& label : m_pDataAcc->GetChoiceListItems(false)) + pComboBox->AddString(label.AsStringC()); + + std::vector<int32_t> iSelArray = m_pDataAcc->GetSelectedItems(); + if (!iSelArray.empty()) { + pComboBox->SetCurSel(iSelArray.front()); + } else { + CFX_WideString wsText; + m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Raw); + pComboBox->SetEditText(wsText); + } + + UpdateWidgetProperty(); + m_pNormalWidget->UnlockUpdate(); + return CXFA_FFField::LoadWidget(); +} + +void CXFA_FFComboBox::UpdateWidgetProperty() { + auto* pComboBox = ToComboBox(m_pNormalWidget.get()); + if (!pComboBox) + return; + + uint32_t dwExtendedStyle = 0; + uint32_t dwEditStyles = + FWL_STYLEEXT_EDT_ReadOnly | FWL_STYLEEXT_EDT_LastLineHeight; + dwExtendedStyle |= UpdateUIProperty(); + if (m_pDataAcc->IsChoiceListAllowTextEntry()) { + dwEditStyles &= ~FWL_STYLEEXT_EDT_ReadOnly; + dwExtendedStyle |= FWL_STYLEEXT_CMB_DropDown; + } + if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open || + !m_pDataAcc->GetDoc()->GetXFADoc()->IsInteractive()) { + dwEditStyles |= FWL_STYLEEXT_EDT_ReadOnly; + dwExtendedStyle |= FWL_STYLEEXT_CMB_ReadOnly; + } + dwExtendedStyle |= GetAlignment(); + m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF); + + if (m_pDataAcc->GetHorizontalScrollPolicy() != XFA_ATTRIBUTEENUM_Off) + dwEditStyles |= FWL_STYLEEXT_EDT_AutoHScroll; + + pComboBox->EditModifyStylesEx(dwEditStyles, 0xFFFFFFFF); +} + +bool CXFA_FFComboBox::OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) { + if (!CXFA_FFField::OnRButtonUp(dwFlags, point)) + return false; + + GetDoc()->GetDocEnvironment()->PopupMenu(this, point); + return true; +} + +bool CXFA_FFComboBox::OnKillFocus(CXFA_FFWidget* pNewWidget) { + if (!ProcessCommittedData()) + UpdateFWLData(); + + CXFA_FFField::OnKillFocus(pNewWidget); + return true; +} + +void CXFA_FFComboBox::OpenDropDownList() { + ToComboBox(m_pNormalWidget.get())->OpenDropDownList(true); +} + +bool CXFA_FFComboBox::CommitData() { + return m_pDataAcc->SetValue(m_wsNewValue, XFA_VALUEPICTURE_Raw); +} + +bool CXFA_FFComboBox::IsDataChanged() { + auto* pFWLcombobox = ToComboBox(m_pNormalWidget.get()); + CFX_WideString wsText = pFWLcombobox->GetEditText(); + int32_t iCursel = pFWLcombobox->GetCurSel(); + if (iCursel >= 0) { + CFX_WideString wsSel = pFWLcombobox->GetTextByIndex(iCursel); + if (wsSel == wsText) + m_pDataAcc->GetChoiceListItem(wsText, iCursel, true); + } + + CFX_WideString wsOldValue; + m_pDataAcc->GetValue(wsOldValue, XFA_VALUEPICTURE_Raw); + if (wsOldValue == wsText) + return false; + + m_wsNewValue = wsText; + return true; +} + +void CXFA_FFComboBox::FWLEventSelChange(CXFA_EventParam* pParam) { + pParam->m_eType = XFA_EVENT_Change; + pParam->m_pTarget = m_pDataAcc.Get(); + pParam->m_wsNewText = ToComboBox(m_pNormalWidget.get())->GetEditText(); + m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, pParam); +} + +uint32_t CXFA_FFComboBox::GetAlignment() { + CXFA_Para para = m_pDataAcc->GetPara(); + if (!para) + return 0; + + uint32_t dwExtendedStyle = 0; + switch (para.GetHorizontalAlign()) { + case XFA_ATTRIBUTEENUM_Center: + dwExtendedStyle |= + FWL_STYLEEXT_CMB_EditHCenter | FWL_STYLEEXT_CMB_ListItemCenterAlign; + break; + case XFA_ATTRIBUTEENUM_Justify: + dwExtendedStyle |= FWL_STYLEEXT_CMB_EditJustified; + break; + case XFA_ATTRIBUTEENUM_JustifyAll: + break; + case XFA_ATTRIBUTEENUM_Radix: + break; + case XFA_ATTRIBUTEENUM_Right: + break; + default: + dwExtendedStyle |= + FWL_STYLEEXT_CMB_EditHNear | FWL_STYLEEXT_CMB_ListItemLeftAlign; + break; + } + + switch (para.GetVerticalAlign()) { + case XFA_ATTRIBUTEENUM_Middle: + dwExtendedStyle |= FWL_STYLEEXT_CMB_EditVCenter; + break; + case XFA_ATTRIBUTEENUM_Bottom: + dwExtendedStyle |= FWL_STYLEEXT_CMB_EditVFar; + break; + default: + dwExtendedStyle |= FWL_STYLEEXT_CMB_EditVNear; + break; + } + return dwExtendedStyle; +} + +bool CXFA_FFComboBox::UpdateFWLData() { + auto* pComboBox = ToComboBox(m_pNormalWidget.get()); + if (!pComboBox) + return false; + + std::vector<int32_t> iSelArray = m_pDataAcc->GetSelectedItems(); + if (!iSelArray.empty()) { + pComboBox->SetCurSel(iSelArray.front()); + } else { + CFX_WideString wsText; + pComboBox->SetCurSel(-1); + m_pDataAcc->GetValue(wsText, XFA_VALUEPICTURE_Raw); + pComboBox->SetEditText(wsText); + } + pComboBox->Update(); + return true; +} + +bool CXFA_FFComboBox::CanUndo() { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditCanUndo(); +} + +bool CXFA_FFComboBox::CanRedo() { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditCanRedo(); +} + +bool CXFA_FFComboBox::Undo() { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditUndo(); +} + +bool CXFA_FFComboBox::Redo() { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditRedo(); +} + +bool CXFA_FFComboBox::CanCopy() { + return ToComboBox(m_pNormalWidget.get())->EditCanCopy(); +} + +bool CXFA_FFComboBox::CanCut() { + return m_pDataAcc->GetAccess() == XFA_ATTRIBUTEENUM_Open && + m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditCanCut(); +} + +bool CXFA_FFComboBox::CanPaste() { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + m_pDataAcc->GetAccess() == XFA_ATTRIBUTEENUM_Open; +} + +bool CXFA_FFComboBox::CanSelectAll() { + return ToComboBox(m_pNormalWidget.get())->EditCanSelectAll(); +} + +bool CXFA_FFComboBox::Copy(CFX_WideString& wsCopy) { + return ToComboBox(m_pNormalWidget.get())->EditCopy(wsCopy); +} + +bool CXFA_FFComboBox::Cut(CFX_WideString& wsCut) { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditCut(wsCut); +} + +bool CXFA_FFComboBox::Paste(const CFX_WideString& wsPaste) { + return m_pDataAcc->IsChoiceListAllowTextEntry() && + ToComboBox(m_pNormalWidget.get())->EditPaste(wsPaste); +} + +void CXFA_FFComboBox::SelectAll() { + ToComboBox(m_pNormalWidget.get())->EditSelectAll(); +} + +void CXFA_FFComboBox::Delete() { + ToComboBox(m_pNormalWidget.get())->EditDelete(); +} + +void CXFA_FFComboBox::DeSelect() { + ToComboBox(m_pNormalWidget.get())->EditDeSelect(); +} + +void CXFA_FFComboBox::SetItemState(int32_t nIndex, bool bSelected) { + ToComboBox(m_pNormalWidget.get())->SetCurSel(bSelected ? nIndex : -1); + m_pNormalWidget->Update(); + AddInvalidateRect(); +} + +void CXFA_FFComboBox::InsertItem(const CFX_WideStringC& wsLabel, + int32_t nIndex) { + ToComboBox(m_pNormalWidget.get())->AddString(wsLabel); + m_pNormalWidget->Update(); + AddInvalidateRect(); +} + +void CXFA_FFComboBox::DeleteItem(int32_t nIndex) { + if (nIndex < 0) + ToComboBox(m_pNormalWidget.get())->RemoveAll(); + else + ToComboBox(m_pNormalWidget.get())->RemoveAt(nIndex); + + m_pNormalWidget->Update(); + AddInvalidateRect(); +} + +void CXFA_FFComboBox::OnTextChanged(CFWL_Widget* pWidget, + const CFX_WideString& wsChanged) { + CXFA_EventParam eParam; + m_pDataAcc->GetValue(eParam.m_wsPrevText, XFA_VALUEPICTURE_Raw); + eParam.m_wsChange = wsChanged; + FWLEventSelChange(&eParam); +} + +void CXFA_FFComboBox::OnSelectChanged(CFWL_Widget* pWidget, bool bLButtonUp) { + CXFA_EventParam eParam; + m_pDataAcc->GetValue(eParam.m_wsPrevText, XFA_VALUEPICTURE_Raw); + FWLEventSelChange(&eParam); + if (m_pDataAcc->GetChoiceListCommitOn() == XFA_ATTRIBUTEENUM_Select && + bLButtonUp) { + m_pDocView->SetFocusWidgetAcc(nullptr); + } +} + +void CXFA_FFComboBox::OnPreOpen(CFWL_Widget* pWidget) { + CXFA_EventParam eParam; + eParam.m_eType = XFA_EVENT_PreOpen; + eParam.m_pTarget = m_pDataAcc.Get(); + m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_PreOpen, &eParam); +} + +void CXFA_FFComboBox::OnPostOpen(CFWL_Widget* pWidget) { + CXFA_EventParam eParam; + eParam.m_eType = XFA_EVENT_PostOpen; + eParam.m_pTarget = m_pDataAcc.Get(); + m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_PostOpen, &eParam); +} + +void CXFA_FFComboBox::OnProcessMessage(CFWL_Message* pMessage) { + m_pOldDelegate->OnProcessMessage(pMessage); +} + +void CXFA_FFComboBox::OnProcessEvent(CFWL_Event* pEvent) { + CXFA_FFField::OnProcessEvent(pEvent); + switch (pEvent->GetType()) { + case CFWL_Event::Type::SelectChanged: { + auto* postEvent = static_cast<CFWL_EventSelectChanged*>(pEvent); + OnSelectChanged(m_pNormalWidget.get(), postEvent->bLButtonUp); + break; + } + case CFWL_Event::Type::EditChanged: { + CFX_WideString wsChanged; + OnTextChanged(m_pNormalWidget.get(), wsChanged); + break; + } + case CFWL_Event::Type::PreDropDown: { + OnPreOpen(m_pNormalWidget.get()); + break; + } + case CFWL_Event::Type::PostDropDown: { + OnPostOpen(m_pNormalWidget.get()); + break; + } + default: + break; + } + m_pOldDelegate->OnProcessEvent(pEvent); +} + +void CXFA_FFComboBox::OnDrawWidget(CXFA_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix); +} |