| // 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 "third_party/base/ptr_util.h" |
| #include "xfa/fwl/core/ifwl_combobox.h" |
| #include "xfa/fwl/core/ifwl_comboedit.h" |
| |
| IFWL_ComboList::IFWL_ComboList( |
| const IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| IFWL_Widget* pOuter) |
| : IFWL_ListBox(app, std::move(properties), pOuter), m_bNotifyOwner(true) { |
| ASSERT(pOuter); |
| } |
| |
| 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++) { |
| CFWL_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); |
| CFWL_ListItem* hItem = pData->GetItem(this, iSel); |
| CFX_RectF rtInvalidate; |
| rtInvalidate.Reset(); |
| CFWL_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); |
| CFWL_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); |
| CFWL_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(bool bSet) { |
| IFWL_Widget::SetFocus(bSet); |
| } |
| |
| void IFWL_ComboList::OnProcessMessage(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return; |
| |
| CFWL_MessageType dwHashCode = pMessage->GetClassID(); |
| 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); |
| IFWL_ScrollBar* vertSB = GetVertScrollBar(); |
| if (IsShowScrollBar(true) && vertSB) { |
| CFX_RectF rect; |
| vertSB->GetWidgetRect(rect); |
| if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| pMsg->m_fx -= rect.left; |
| pMsg->m_fy -= rect.top; |
| vertSB->GetDelegate()->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) |
| IFWL_ListBox::OnProcessMessage(pMessage); |
| } |
| |
| void IFWL_ComboList::OnDropListFocusChanged(CFWL_Message* pMsg, bool bSet) { |
| if (bSet) |
| return; |
| |
| CFWL_MsgKillFocus* pKill = static_cast<CFWL_MsgKillFocus*>(pMsg); |
| IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOuter); |
| if (pKill->m_pSetFocus == m_pOuter || |
| pKill->m_pSetFocus == pOuter->GetComboEdit()) { |
| pOuter->ShowDropList(false); |
| } |
| } |
| |
| int32_t IFWL_ComboList::OnDropListMouseMove(CFWL_MsgMouse* pMsg) { |
| if (GetRTClient().Contains(pMsg->m_fx, pMsg->m_fy)) { |
| if (m_bNotifyOwner) { |
| m_bNotifyOwner = false; |
| } |
| IFWL_ScrollBar* vertSB = GetVertScrollBar(); |
| if (IsShowScrollBar(true) && vertSB) { |
| CFX_RectF rect; |
| vertSB->GetWidgetRect(rect); |
| if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| return 1; |
| } |
| } |
| CFWL_ListItem* hItem = GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); |
| if (hItem) { |
| if (!m_pProperties->m_pDataProvider) |
| return 0; |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| int32_t iSel = pData->GetItemIndex(this, hItem); |
| CFWL_EvtCmbHoverChanged event; |
| event.m_pSrcTarget = m_pOuter; |
| event.m_iCurHover = iSel; |
| DispatchEvent(&event); |
| ChangeSelected(iSel); |
| } |
| } else if (m_bNotifyOwner) { |
| ClientToOuter(pMsg->m_fx, pMsg->m_fy); |
| IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOuter); |
| pOuter->GetDelegate()->OnProcessMessage(pMsg); |
| } |
| return 1; |
| } |
| |
| int32_t IFWL_ComboList::OnDropListLButtonDown(CFWL_MsgMouse* pMsg) { |
| if (GetRTClient().Contains(pMsg->m_fx, pMsg->m_fy)) |
| return 0; |
| |
| IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOuter); |
| pOuter->ShowDropList(false); |
| return 1; |
| } |
| |
| int32_t IFWL_ComboList::OnDropListLButtonUp(CFWL_MsgMouse* pMsg) { |
| IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOuter); |
| if (m_bNotifyOwner) { |
| ClientToOuter(pMsg->m_fx, pMsg->m_fy); |
| pOuter->GetDelegate()->OnProcessMessage(pMsg); |
| } else { |
| IFWL_ScrollBar* vertSB = GetVertScrollBar(); |
| if (IsShowScrollBar(true) && vertSB) { |
| CFX_RectF rect; |
| vertSB->GetWidgetRect(rect); |
| if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| return 1; |
| } |
| } |
| pOuter->ShowDropList(false); |
| CFWL_ListItem* hItem = GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); |
| if (hItem) |
| pOuter->ProcessSelChanged(true); |
| } |
| return 1; |
| } |
| |
| int32_t IFWL_ComboList::OnDropListKey(CFWL_MsgKey* pKey) { |
| IFWL_ComboBox* pOuter = static_cast<IFWL_ComboBox*>(m_pOuter); |
| 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->ProcessSelChanged(false); |
| return 1; |
| } |
| default: { bPropagate = true; } |
| } |
| } else if (pKey->m_dwCmd == FWL_KeyCommand::Char) { |
| bPropagate = true; |
| } |
| if (bPropagate) { |
| pKey->m_pDstTarget = m_pOuter; |
| pOuter->GetDelegate()->OnProcessMessage(pKey); |
| return 1; |
| } |
| return 0; |
| } |
| |
| void IFWL_ComboList::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_pOuter); |
| IFWL_ListBoxDP* pData = |
| static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); |
| CFWL_ListItem* hItem = |
| pData->GetItem(this, pOuter->GetCurrentSelection()); |
| hItem = GetItem(hItem, dwKeyCode); |
| if (!hItem) { |
| break; |
| } |
| SetSelection(hItem, hItem, true); |
| ScrollToVisible(hItem); |
| CFX_RectF rtInvalidate; |
| rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width, |
| m_pProperties->m_rtWidget.height); |
| Repaint(&rtInvalidate); |
| break; |
| } |
| default: |
| break; |
| } |
| } |