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112 lines
3.1 KiB
112 lines
3.1 KiB
// Copyright 2016 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#include "xfa/fwl/cfwl_comboboxproxy.h" |
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#include <memory> |
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#include <utility> |
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#include "xfa/fwl/cfwl_app.h" |
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#include "xfa/fwl/cfwl_combobox.h" |
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#include "xfa/fwl/cfwl_messagekillfocus.h" |
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#include "xfa/fwl/cfwl_messagemouse.h" |
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#include "xfa/fwl/cfwl_notedriver.h" |
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CFWL_ComboBoxProxy::CFWL_ComboBoxProxy( |
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CFWL_ComboBox* pComboBox, |
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const CFWL_App* app, |
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std::unique_ptr<CFWL_WidgetProperties> properties, |
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CFWL_Widget* pOuter) |
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: CFWL_FormProxy(app, std::move(properties), pOuter), |
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m_bLButtonDown(false), |
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m_bLButtonUpSelf(false), |
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m_pComboBox(pComboBox) {} |
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CFWL_ComboBoxProxy::~CFWL_ComboBoxProxy() {} |
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void CFWL_ComboBoxProxy::OnProcessMessage(CFWL_Message* pMessage) { |
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if (!pMessage) |
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return; |
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switch (pMessage->GetType()) { |
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case CFWL_Message::Type::Mouse: { |
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CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage); |
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switch (pMsg->m_dwCmd) { |
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case FWL_MouseCommand::LeftButtonDown: |
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OnLButtonDown(pMsg); |
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break; |
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case FWL_MouseCommand::LeftButtonUp: |
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OnLButtonUp(pMsg); |
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break; |
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default: |
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break; |
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} |
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break; |
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} |
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case CFWL_Message::Type::KillFocus: |
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OnFocusChanged(pMessage, false); |
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break; |
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case CFWL_Message::Type::SetFocus: |
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OnFocusChanged(pMessage, true); |
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break; |
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default: |
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break; |
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} |
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CFWL_Widget::OnProcessMessage(pMessage); |
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} |
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void CFWL_ComboBoxProxy::OnDrawWidget(CFX_Graphics* pGraphics, |
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const CFX_Matrix* pMatrix) { |
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m_pComboBox->DrawStretchHandler(pGraphics, pMatrix); |
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} |
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void CFWL_ComboBoxProxy::OnLButtonDown(CFWL_Message* pMessage) { |
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const CFWL_App* pApp = GetOwnerApp(); |
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if (!pApp) |
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return; |
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CFWL_NoteDriver* pDriver = |
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static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver()); |
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CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage); |
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if (CFX_RectF(0, 0, GetWidgetRect().Size()).Contains(pMsg->m_pos)) { |
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m_bLButtonDown = true; |
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pDriver->SetGrab(this, true); |
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} else { |
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m_bLButtonDown = false; |
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pDriver->SetGrab(this, false); |
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m_pComboBox->ShowDropList(false); |
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} |
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} |
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void CFWL_ComboBoxProxy::OnLButtonUp(CFWL_Message* pMessage) { |
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m_bLButtonDown = false; |
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const CFWL_App* pApp = GetOwnerApp(); |
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if (!pApp) |
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return; |
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CFWL_NoteDriver* pDriver = |
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static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver()); |
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pDriver->SetGrab(this, false); |
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if (!m_bLButtonUpSelf) { |
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m_bLButtonUpSelf = true; |
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return; |
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} |
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CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage); |
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if (!CFX_RectF(0, 0, GetWidgetRect().Size()).Contains(pMsg->m_pos) && |
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m_pComboBox->IsDropListVisible()) { |
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m_pComboBox->ShowDropList(false); |
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} |
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} |
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void CFWL_ComboBoxProxy::OnFocusChanged(CFWL_Message* pMessage, bool bSet) { |
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if (bSet) |
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return; |
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CFWL_MessageKillFocus* pMsg = static_cast<CFWL_MessageKillFocus*>(pMessage); |
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if (!pMsg->m_pSetFocus) |
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m_pComboBox->ShowDropList(false); |
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}
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