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// 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_comboboxproxy.h"
#include "xfa/fwl/core/fwl_noteimp.h"
#include "xfa/fwl/core/ifwl_app.h"
#include "xfa/fwl/core/ifwl_combobox.h"
IFWL_ComboBoxProxy::IFWL_ComboBoxProxy(
IFWL_ComboBox* pComboBox,
const IFWL_App* app,
std::unique_ptr<CFWL_WidgetProperties> properties,
IFWL_Widget* pOuter)
: IFWL_FormProxy(app, std::move(properties), pOuter),
m_bLButtonDown(false),
m_bLButtonUpSelf(false),
m_pComboBox(pComboBox) {}
IFWL_ComboBoxProxy::~IFWL_ComboBoxProxy() {}
void IFWL_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;
case FWL_MouseCommand::Move:
break;
default:
break;
}
break;
}
case CFWL_MessageType::Deactivate:
OnDeactive(static_cast<CFWL_MsgDeactivate*>(pMessage));
break;
case CFWL_MessageType::KillFocus:
OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage), false);
break;
case CFWL_MessageType::SetFocus:
OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage), true);
break;
default:
break;
}
IFWL_Widget::OnProcessMessage(pMessage);
}
void IFWL_ComboBoxProxy::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
m_pComboBox->DrawStretchHandler(pGraphics, pMatrix);
}
void IFWL_ComboBoxProxy::OnLButtonDown(CFWL_MsgMouse* pMsg) {
const IFWL_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;
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 IFWL_ComboBoxProxy::OnLButtonUp(CFWL_MsgMouse* pMsg) {
m_bLButtonDown = false;
const IFWL_App* pApp = GetOwnerApp();
if (!pApp)
return;
CFWL_NoteDriver* pDriver =
static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
pDriver->SetGrab(this, false);
if (m_bLButtonUpSelf) {
CFX_RectF rect;
GetWidgetRect(rect);
rect.left = rect.top = 0;
if (!rect.Contains(pMsg->m_fx, pMsg->m_fy) &&
m_pComboBox->IsDropListShowed()) {
m_pComboBox->ShowDropList(false);
}
} else {
m_bLButtonUpSelf = true;
}
}
void IFWL_ComboBoxProxy::OnDeactive(CFWL_MsgDeactivate* pMsg) {
m_pComboBox->ShowDropList(false);
}
void IFWL_ComboBoxProxy::OnFocusChanged(CFWL_MsgKillFocus* pMsg, bool bSet) {
if (bSet)
return;
if (!pMsg->m_pSetFocus)
m_pComboBox->ShowDropList(false);
}
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