diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_combolist.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_combolist.cpp | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_combolist.cpp b/xfa/fwl/core/ifwl_combolist.cpp new file mode 100644 index 0000000000..9090622b10 --- /dev/null +++ b/xfa/fwl/core/ifwl_combolist.cpp @@ -0,0 +1,298 @@ +// Copyright 2016 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/fwl/core/ifwl_combolist.h" + +#include "xfa/fwl/core/ifwl_combobox.h" +#include "xfa/fwl/core/ifwl_comboedit.h" + +// static +IFWL_ComboList* IFWL_ComboList::Create( + const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) { + return new IFWL_ComboList(properties, pOuter); +} + +IFWL_ComboList::IFWL_ComboList(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) + : IFWL_ListBox(properties, pOuter), m_bNotifyOwner(TRUE) { + ASSERT(pOuter); +} + +FWL_Error IFWL_ComboList::Initialize() { + if (IFWL_ListBox::Initialize() != FWL_Error::Succeeded) + return FWL_Error::Indefinite; + delete m_pDelegate; + m_pDelegate = new CFWL_ComboListImpDelegate(this); + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_ComboList::Finalize() { + delete m_pDelegate; + m_pDelegate = nullptr; + return IFWL_ListBox::Finalize(); +} + +int32_t IFWL_ComboList::MatchItem(const CFX_WideString& wsMatch) { + if (wsMatch.IsEmpty()) { + return -1; + } + if (!m_pProperties->m_pDataProvider) + return -1; + IFWL_ListBoxDP* pData = + static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); + int32_t iCount = pData->CountItems(this); + for (int32_t i = 0; i < iCount; i++) { + IFWL_ListItem* hItem = pData->GetItem(this, i); + CFX_WideString wsText; + pData->GetItemText(this, hItem, wsText); + FX_STRSIZE pos = wsText.Find(wsMatch.c_str()); + if (!pos) { + return i; + } + } + return -1; +} + +void IFWL_ComboList::ChangeSelected(int32_t iSel) { + if (!m_pProperties->m_pDataProvider) + return; + IFWL_ListBoxDP* pData = + static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, iSel); + CFX_RectF rtInvalidate; + rtInvalidate.Reset(); + IFWL_ListItem* hOld = GetSelItem(0); + int32_t iOld = pData->GetItemIndex(this, hOld); + if (iOld == iSel) { + return; + } else if (iOld > -1) { + GetItemRect(iOld, rtInvalidate); + SetSelItem(hOld, FALSE); + } + if (hItem) { + CFX_RectF rect; + GetItemRect(iSel, rect); + rtInvalidate.Union(rect); + IFWL_ListItem* hSel = pData->GetItem(this, iSel); + SetSelItem(hSel, TRUE); + } + if (!rtInvalidate.IsEmpty()) { + Repaint(&rtInvalidate); + } +} + +int32_t IFWL_ComboList::CountItems() { + IFWL_ListBoxDP* pData = + static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); + return pData ? pData->CountItems(this) : 0; +} + +void IFWL_ComboList::GetItemRect(int32_t nIndex, CFX_RectF& rtItem) { + IFWL_ListBoxDP* pData = + static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, nIndex); + pData->GetItemRect(this, hItem, rtItem); +} + +void IFWL_ComboList::ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy) { + fx += m_pProperties->m_rtWidget.left, fy += m_pProperties->m_rtWidget.top; + IFWL_Widget* pOwner = GetOwner(); + if (!pOwner) + return; + pOwner->TransformTo(m_pOuter, fx, fy); +} + +void IFWL_ComboList::SetFocus(FX_BOOL bSet) { + IFWL_Widget::SetFocus(bSet); +} + +CFWL_ComboListImpDelegate::CFWL_ComboListImpDelegate(IFWL_ComboList* pOwner) + : CFWL_ListBoxImpDelegate(pOwner), m_pOwner(pOwner) {} + +void CFWL_ComboListImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { + if (!pMessage) + return; + + CFWL_MessageType dwHashCode = pMessage->GetClassID(); + FX_BOOL backDefault = TRUE; + if (dwHashCode == CFWL_MessageType::SetFocus || + dwHashCode == CFWL_MessageType::KillFocus) { + OnDropListFocusChanged(pMessage, dwHashCode == CFWL_MessageType::SetFocus); + } else if (dwHashCode == CFWL_MessageType::Mouse) { + CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); + if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { + CFX_RectF rect; + m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); + if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { + pMsg->m_fx -= rect.left; + pMsg->m_fy -= rect.top; + IFWL_WidgetDelegate* pDelegate = + m_pOwner->m_pVertScrollBar->SetDelegate(nullptr); + pDelegate->OnProcessMessage(pMsg); + return; + } + } + switch (pMsg->m_dwCmd) { + case FWL_MouseCommand::Move: { + backDefault = FALSE; + OnDropListMouseMove(pMsg); + break; + } + case FWL_MouseCommand::LeftButtonDown: { + backDefault = FALSE; + OnDropListLButtonDown(pMsg); + break; + } + case FWL_MouseCommand::LeftButtonUp: { + backDefault = FALSE; + OnDropListLButtonUp(pMsg); + break; + } + default: + break; + } + } else if (dwHashCode == CFWL_MessageType::Key) { + backDefault = !OnDropListKey(static_cast<CFWL_MsgKey*>(pMessage)); + } + if (backDefault) + CFWL_ListBoxImpDelegate::OnProcessMessage(pMessage); +} + +void CFWL_ComboListImpDelegate::OnDropListFocusChanged(CFWL_Message* pMsg, + FX_BOOL bSet) { + if (!bSet) { + CFWL_MsgKillFocus* pKill = static_cast<CFWL_MsgKillFocus*>(pMsg); + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + if (pKill->m_pSetFocus == m_pOwner->m_pOuter || + pKill->m_pSetFocus == pOuter->m_pEdit.get()) { + pOuter->ShowDropList(FALSE); + } + } +} + +int32_t CFWL_ComboListImpDelegate::OnDropListMouseMove(CFWL_MsgMouse* pMsg) { + if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + if (m_pOwner->m_bNotifyOwner) { + m_pOwner->m_bNotifyOwner = FALSE; + } + if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { + CFX_RectF rect; + m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); + if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { + return 1; + } + } + IFWL_ListItem* hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); + if (hItem) { + if (!m_pOwner->m_pProperties->m_pDataProvider) + return 0; + IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>( + m_pOwner->m_pProperties->m_pDataProvider); + int32_t iSel = pData->GetItemIndex(m_pOwner, hItem); + CFWL_EvtCmbHoverChanged event; + event.m_pSrcTarget = m_pOwner->m_pOuter; + event.m_iCurHover = iSel; + m_pOwner->DispatchEvent(&event); + m_pOwner->ChangeSelected(iSel); + } + } else if (m_pOwner->m_bNotifyOwner) { + m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy); + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + pOuter->m_pDelegate->OnProcessMessage(pMsg); + } + return 1; +} + +int32_t CFWL_ComboListImpDelegate::OnDropListLButtonDown(CFWL_MsgMouse* pMsg) { + if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + return 0; + } + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + pOuter->ShowDropList(FALSE); + return 1; +} + +int32_t CFWL_ComboListImpDelegate::OnDropListLButtonUp(CFWL_MsgMouse* pMsg) { + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + if (m_pOwner->m_bNotifyOwner) { + m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy); + pOuter->m_pDelegate->OnProcessMessage(pMsg); + } else { + if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { + CFX_RectF rect; + m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); + if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { + return 1; + } + } + pOuter->ShowDropList(FALSE); + IFWL_ListItem* hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); + if (hItem) { + pOuter->ProcessSelChanged(TRUE); + } + } + return 1; +} + +int32_t CFWL_ComboListImpDelegate::OnDropListKey(CFWL_MsgKey* pKey) { + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + FX_BOOL bPropagate = FALSE; + if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) { + uint32_t dwKeyCode = pKey->m_dwKeyCode; + switch (dwKeyCode) { + case FWL_VKEY_Return: + case FWL_VKEY_Escape: { + pOuter->ShowDropList(FALSE); + return 1; + } + case FWL_VKEY_Up: + case FWL_VKEY_Down: { + OnDropListKeyDown(pKey); + pOuter->SetDelegate(nullptr); + pOuter->ProcessSelChanged(FALSE); + return 1; + } + default: { bPropagate = TRUE; } + } + } else if (pKey->m_dwCmd == FWL_KeyCommand::Char) { + bPropagate = TRUE; + } + if (bPropagate) { + pKey->m_pDstTarget = m_pOwner->m_pOuter; + pOuter->m_pDelegate->OnProcessMessage(pKey); + return 1; + } + return 0; +} + +void CFWL_ComboListImpDelegate::OnDropListKeyDown(CFWL_MsgKey* pKey) { + uint32_t dwKeyCode = pKey->m_dwKeyCode; + switch (dwKeyCode) { + case FWL_VKEY_Up: + case FWL_VKEY_Down: + case FWL_VKEY_Home: + case FWL_VKEY_End: { + IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOwner->m_pOuter); + IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>( + m_pOwner->m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(m_pOwner, pOuter->m_iCurSel); + hItem = m_pOwner->GetItem(hItem, dwKeyCode); + if (!hItem) { + break; + } + m_pOwner->SetSelection(hItem, hItem, TRUE); + m_pOwner->ScrollToVisible(hItem); + CFX_RectF rtInvalidate; + rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width, + m_pOwner->m_pProperties->m_rtWidget.height); + m_pOwner->Repaint(&rtInvalidate); + break; + } + default: + break; + } +} |