| // 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/cfwl_comboboxproxy.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "xfa/fwl/core/cfwl_app.h" |
| #include "xfa/fwl/core/cfwl_combobox.h" |
| #include "xfa/fwl/core/cfwl_msgkillfocus.h" |
| #include "xfa/fwl/core/cfwl_msgmouse.h" |
| #include "xfa/fwl/core/cfwl_notedriver.h" |
| |
| CFWL_ComboBoxProxy::CFWL_ComboBoxProxy( |
| CFWL_ComboBox* pComboBox, |
| const CFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| CFWL_Widget* pOuter) |
| : CFWL_FormProxy(app, std::move(properties), pOuter), |
| m_bLButtonDown(false), |
| m_bLButtonUpSelf(false), |
| m_pComboBox(pComboBox) {} |
| |
| CFWL_ComboBoxProxy::~CFWL_ComboBoxProxy() {} |
| |
| void CFWL_ComboBoxProxy::OnProcessMessage(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return; |
| |
| switch (pMessage->GetClassID()) { |
| case CFWL_MessageType::Mouse: { |
| CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| switch (pMsg->m_dwCmd) { |
| case FWL_MouseCommand::LeftButtonDown: |
| OnLButtonDown(pMsg); |
| break; |
| case FWL_MouseCommand::LeftButtonUp: |
| OnLButtonUp(pMsg); |
| break; |
| default: |
| break; |
| } |
| break; |
| } |
| case CFWL_MessageType::KillFocus: |
| OnFocusChanged(pMessage, false); |
| break; |
| case CFWL_MessageType::SetFocus: |
| OnFocusChanged(pMessage, true); |
| break; |
| default: |
| break; |
| } |
| CFWL_Widget::OnProcessMessage(pMessage); |
| } |
| |
| void CFWL_ComboBoxProxy::OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| m_pComboBox->DrawStretchHandler(pGraphics, pMatrix); |
| } |
| |
| void CFWL_ComboBoxProxy::OnLButtonDown(CFWL_Message* pMessage) { |
| const CFWL_App* pApp = GetOwnerApp(); |
| if (!pApp) |
| return; |
| |
| CFWL_NoteDriver* pDriver = |
| static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver()); |
| CFX_RectF rtWidget; |
| GetWidgetRect(rtWidget); |
| rtWidget.left = rtWidget.top = 0; |
| |
| CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| if (rtWidget.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| m_bLButtonDown = true; |
| pDriver->SetGrab(this, true); |
| } else { |
| m_bLButtonDown = false; |
| pDriver->SetGrab(this, false); |
| m_pComboBox->ShowDropList(false); |
| } |
| } |
| |
| void CFWL_ComboBoxProxy::OnLButtonUp(CFWL_Message* pMessage) { |
| m_bLButtonDown = false; |
| const CFWL_App* pApp = GetOwnerApp(); |
| if (!pApp) |
| return; |
| |
| CFWL_NoteDriver* pDriver = |
| static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver()); |
| pDriver->SetGrab(this, false); |
| if (!m_bLButtonUpSelf) { |
| m_bLButtonUpSelf = true; |
| return; |
| } |
| |
| CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| CFX_RectF rect; |
| GetWidgetRect(rect); |
| rect.left = rect.top = 0; |
| if (!rect.Contains(pMsg->m_fx, pMsg->m_fy) && |
| m_pComboBox->IsDropListVisible()) { |
| m_pComboBox->ShowDropList(false); |
| } |
| } |
| |
| void CFWL_ComboBoxProxy::OnFocusChanged(CFWL_Message* pMessage, bool bSet) { |
| if (bSet) |
| return; |
| |
| CFWL_MsgKillFocus* pMsg = static_cast<CFWL_MsgKillFocus*>(pMessage); |
| if (!pMsg->m_pSetFocus) |
| m_pComboBox->ShowDropList(false); |
| } |