xfa/fwl/basewidget/fwl_spinbuttonimp.cpp - platform/external/pdfium - Gitiles

 // Copyright 2014 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/basewidget/fwl_spinbuttonimp.h"

 #include "xfa/fwl/basewidget/ifwl_spinbutton.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_widgetimpproperties.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/fwl_widgetimp.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 #include "xfa/fwl/core/ifwl_timer.h"

 #define FWL_SPN_MinWidth 18
 #define FWL_SPN_MinHeight 32
 #define FWL_SPIN_Elapse 200

 // static
 IFWL_SpinButton* IFWL_SpinButton::Create(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter) {
   IFWL_SpinButton* pSpinButton = new IFWL_SpinButton;
   CFWL_SpinButtonImp* pSpinButtonImpl =
       new CFWL_SpinButtonImp(properties, nullptr);
   pSpinButton->SetImpl(pSpinButtonImpl);
   pSpinButtonImpl->SetInterface(pSpinButton);
   return pSpinButton;
 }
 IFWL_SpinButton::IFWL_SpinButton() {}
 FWL_ERR IFWL_SpinButton::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
   return static_cast<CFWL_SpinButtonImp*>(GetImpl())
       ->EnableButton(bEnable, bUp);
 }
 FX_BOOL IFWL_SpinButton::IsButtonEnable(FX_BOOL bUp) {
   return static_cast<CFWL_SpinButtonImp*>(GetImpl())->IsButtonEnable(bUp);
 }

 CFWL_SpinButtonImp::CFWL_SpinButtonImp(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter)
     : CFWL_WidgetImp(properties, pOuter),
       m_dwUpState(CFWL_PartState_Normal),
       m_dwDnState(CFWL_PartState_Normal),
       m_iButtonIndex(0),
       m_bLButtonDwn(FALSE),
       m_hTimer(NULL) {
   m_rtClient.Reset();
   m_rtUpButton.Reset();
   m_rtDnButton.Reset();
   m_pProperties->m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
 }
 CFWL_SpinButtonImp::~CFWL_SpinButtonImp() {}
 FWL_ERR CFWL_SpinButtonImp::GetClassName(CFX_WideString& wsClass) const {
   wsClass = FWL_CLASS_SpinButton;
   return FWL_ERR_Succeeded;
 }
 uint32_t CFWL_SpinButtonImp::GetClassID() const {
   return FWL_CLASSHASH_SpinButton;
 }
 FWL_ERR CFWL_SpinButtonImp::Initialize() {
   if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
     return FWL_ERR_Indefinite;
   m_pDelegate = new CFWL_SpinButtonImpDelegate(this);
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_SpinButtonImp::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   return CFWL_WidgetImp::Finalize();
 }
 FWL_ERR CFWL_SpinButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, FWL_SPN_MinWidth, FWL_SPN_MinHeight);
     CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
   } else {
     rect = m_pProperties->m_rtWidget;
   }
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_SpinButtonImp::Update() {
   if (IsLocked()) {
     return FWL_ERR_Indefinite;
   }
   GetClientRect(m_rtClient);
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) {
     m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width,
                      m_rtClient.height / 2);
     m_rtDnButton.Set(m_rtClient.left, m_rtClient.top + m_rtClient.height / 2,
                      m_rtClient.width, m_rtClient.height / 2);
   } else {
     m_rtUpButton.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width / 2,
                      m_rtClient.height);
     m_rtDnButton.Set(m_rtClient.left + m_rtClient.width / 2, m_rtClient.top,
                      m_rtClient.width / 2, m_rtClient.height);
   }
   return FWL_ERR_Succeeded;
 }
 uint32_t CFWL_SpinButtonImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
   if (m_rtClient.Contains(fx, fy)) {
     return FWL_WGTHITTEST_Client;
   }
   if (HasBorder() && (m_rtClient.Contains(fx, fy))) {
     return FWL_WGTHITTEST_Border;
   }
   if (HasEdge()) {
     CFX_RectF rtEdge;
     GetEdgeRect(rtEdge);
     if (rtEdge.Contains(fx, fy)) {
       return FWL_WGTHITTEST_Left;
     }
   }
   if (m_rtUpButton.Contains(fx, fy)) {
     return FWL_WGTHITTEST_SPB_UpButton;
   }
   if (m_rtDnButton.Contains(fx, fy)) {
     return FWL_WGTHITTEST_SPB_DownButton;
   }
   return FWL_WGTHITTEST_Unknown;
 }
 FWL_ERR CFWL_SpinButtonImp::DrawWidget(CFX_Graphics* pGraphics,
                                        const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_ERR_Indefinite;
   CFX_RectF rtClip(m_rtClient);
   if (pMatrix != NULL) {
     pMatrix->TransformRect(rtClip);
   }
   IFWL_ThemeProvider* pTheme = GetAvailableTheme();
   if (HasBorder()) {
     DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
   }
   if (HasEdge()) {
     DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
   }
   DrawUpButton(pGraphics, pTheme, pMatrix);
   DrawDownButton(pGraphics, pTheme, pMatrix);
   return FWL_ERR_Succeeded;
 }
 int32_t CFWL_SpinButtonImp::Run(FWL_HTIMER hTimer) {
   if (m_hTimer) {
     CFWL_EvtSpbClick wmPosChanged;
     wmPosChanged.m_pSrcTarget = m_pInterface;
     wmPosChanged.m_bUp = m_iButtonIndex == 0;
     DispatchEvent(&wmPosChanged);
   }
   return 1;
 }
 FWL_ERR CFWL_SpinButtonImp::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
   if (bUp) {
     if (bEnable) {
       m_dwUpState = CFWL_PartState_Normal;
     } else {
       m_dwUpState = CFWL_PartState_Disabled;
     }
   } else {
     if (bEnable) {
       m_dwDnState = CFWL_PartState_Normal;
     } else {
       m_dwDnState = CFWL_PartState_Disabled;
     }
   }
   return FWL_ERR_Succeeded;
 }
 FX_BOOL CFWL_SpinButtonImp::IsButtonEnable(FX_BOOL bUp) {
   if (bUp) {
     return (m_dwUpState != CFWL_PartState_Disabled);
   }
   return (m_dwDnState != CFWL_PartState_Disabled);
 }
 void CFWL_SpinButtonImp::DrawUpButton(CFX_Graphics* pGraphics,
                                       IFWL_ThemeProvider* pTheme,
                                       const CFX_Matrix* pMatrix) {
   CFWL_ThemeBackground params;
   params.m_pWidget = m_pInterface;
   params.m_iPart = CFWL_Part::UpButton;
   params.m_pGraphics = pGraphics;
   params.m_dwStates = m_dwUpState + 1;
   if (pMatrix) {
     params.m_matrix.Concat(*pMatrix);
   }
   params.m_rtPart = m_rtUpButton;
   pTheme->DrawBackground(&params);
 }
 void CFWL_SpinButtonImp::DrawDownButton(CFX_Graphics* pGraphics,
                                         IFWL_ThemeProvider* pTheme,
                                         const CFX_Matrix* pMatrix) {
   CFWL_ThemeBackground params;
   params.m_pWidget = m_pInterface;
   params.m_iPart = CFWL_Part::DownButton;
   params.m_pGraphics = pGraphics;
   params.m_dwStates = m_dwDnState + 1;
   if (pMatrix) {
     params.m_matrix.Concat(*pMatrix);
   }
   params.m_rtPart = m_rtDnButton;
   pTheme->DrawBackground(&params);
 }

 CFWL_SpinButtonImpDelegate::CFWL_SpinButtonImpDelegate(
     CFWL_SpinButtonImp* pOwner)
     : m_pOwner(pOwner) {}

 int32_t CFWL_SpinButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return 0;

   int32_t iRet = 1;
   CFWL_MessageType dwMsgCode = pMessage->GetClassID();
   switch (dwMsgCode) {
     case CFWL_MessageType::SetFocus: {
       OnFocusChanged(pMessage, TRUE);
       break;
     }
     case CFWL_MessageType::KillFocus: {
       OnFocusChanged(pMessage, FALSE);
       break;
     }
     case CFWL_MessageType::Mouse: {
       CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
       switch (pMsg->m_dwCmd) {
         case FWL_MSGMOUSECMD_LButtonDown: {
           OnLButtonDown(pMsg);
           break;
         }
         case FWL_MSGMOUSECMD_LButtonUp: {
           OnLButtonUp(pMsg);
           break;
         }
         case FWL_MSGMOUSECMD_MouseMove: {
           OnMouseMove(pMsg);
           break;
         }
         case FWL_MSGMOUSECMD_MouseLeave: {
           OnMouseLeave(pMsg);
           break;
         }
         default:
           break;
       }
       break;
     }
     case CFWL_MessageType::Key: {
       CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
       if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown)
         OnKeyDown(pKey);
       break;
     }
     default: {
       iRet = 0;
       break;
     }
   }
   CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
   return iRet;
 }

 FWL_ERR CFWL_SpinButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
   return FWL_ERR_Succeeded;
 }
 FWL_ERR CFWL_SpinButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                                  const CFX_Matrix* pMatrix) {
   return m_pOwner->DrawWidget(pGraphics, pMatrix);
 }
 void CFWL_SpinButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
                                                 FX_BOOL bSet) {
   if (bSet) {
     m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused);
   } else {
     m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
   }
   m_pOwner->Repaint(&m_pOwner->m_rtClient);
 }
 void CFWL_SpinButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
   m_pOwner->m_bLButtonDwn = TRUE;
   m_pOwner->SetGrab(TRUE);
   m_pOwner->SetFocus(TRUE);
   if (!m_pOwner->m_pProperties->m_pDataProvider)
     return;
   FX_BOOL bUpPress = (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
                       m_pOwner->IsButtonEnable(TRUE));
   FX_BOOL bDnPress = (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
                       m_pOwner->IsButtonEnable(FALSE));
   if (!bUpPress && !bDnPress) {
     return;
   }
   if (bUpPress) {
     m_pOwner->m_iButtonIndex = 0;
     m_pOwner->m_dwUpState = CFWL_PartState_Pressed;
   }
   if (bDnPress) {
     m_pOwner->m_iButtonIndex = 1;
     m_pOwner->m_dwDnState = CFWL_PartState_Pressed;
   }
   CFWL_EvtSpbClick wmPosChanged;
   wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
   wmPosChanged.m_bUp = bUpPress;
   m_pOwner->DispatchEvent(&wmPosChanged);
   m_pOwner->Repaint(bUpPress ? &m_pOwner->m_rtUpButton
                              : &m_pOwner->m_rtDnButton);
   m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SPIN_Elapse);
 }
 void CFWL_SpinButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   if (m_pOwner->m_pProperties->m_dwStates & CFWL_PartState_Disabled) {
     return;
   }
   m_pOwner->m_bLButtonDwn = FALSE;
   m_pOwner->SetGrab(FALSE);
   m_pOwner->SetFocus(FALSE);
   if (m_pOwner->m_hTimer) {
     FWL_StopTimer(m_pOwner->m_hTimer);
     m_pOwner->m_hTimer = NULL;
   }
   FX_BOOL bRepaint = FALSE;
   CFX_RectF rtInvalidate;
   if (m_pOwner->m_dwUpState == CFWL_PartState_Pressed &&
       m_pOwner->IsButtonEnable(TRUE)) {
     m_pOwner->m_dwUpState = CFWL_PartState_Normal;
     bRepaint = TRUE;
     rtInvalidate = m_pOwner->m_rtUpButton;
   } else if (m_pOwner->m_dwDnState == CFWL_PartState_Pressed &&
              m_pOwner->IsButtonEnable(FALSE)) {
     m_pOwner->m_dwDnState = CFWL_PartState_Normal;
     bRepaint = TRUE;
     rtInvalidate = m_pOwner->m_rtDnButton;
   }
   if (bRepaint) {
     m_pOwner->Repaint(&rtInvalidate);
   }
 }
 void CFWL_SpinButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
   if (!m_pOwner->m_pProperties->m_pDataProvider)
     return;
   if (m_pOwner->m_bLButtonDwn) {
     return;
   }
   FX_BOOL bRepaint = FALSE;
   CFX_RectF rtInvlidate;
   rtInvlidate.Reset();
   if (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
     if (m_pOwner->IsButtonEnable(TRUE)) {
       if (m_pOwner->m_dwUpState == CFWL_PartState_Hovered) {
         m_pOwner->m_dwUpState = CFWL_PartState_Hovered;
         bRepaint = TRUE;
         rtInvlidate = m_pOwner->m_rtUpButton;
       }
       if (m_pOwner->m_dwDnState != CFWL_PartState_Normal &&
           m_pOwner->IsButtonEnable(FALSE)) {
         m_pOwner->m_dwDnState = CFWL_PartState_Normal;
         if (bRepaint) {
           rtInvlidate.Union(m_pOwner->m_rtDnButton);
         } else {
           rtInvlidate = m_pOwner->m_rtDnButton;
         }
         bRepaint = TRUE;
       }
     }
     if (!m_pOwner->IsButtonEnable(FALSE)) {
       m_pOwner->EnableButton(FALSE, FALSE);
     }
   } else if (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
     if (m_pOwner->IsButtonEnable(FALSE)) {
       if (m_pOwner->m_dwDnState != CFWL_PartState_Hovered) {
         m_pOwner->m_dwDnState = CFWL_PartState_Hovered;
         bRepaint = TRUE;
         rtInvlidate = m_pOwner->m_rtDnButton;
       }
       if (m_pOwner->m_dwUpState != CFWL_PartState_Normal &&
           m_pOwner->IsButtonEnable(TRUE)) {
         m_pOwner->m_dwUpState = CFWL_PartState_Normal;
         if (bRepaint) {
           rtInvlidate.Union(m_pOwner->m_rtUpButton);
         } else {
           rtInvlidate = m_pOwner->m_rtUpButton;
         }
         bRepaint = TRUE;
       }
     }
   } else if (m_pOwner->m_dwUpState != CFWL_PartState_Normal ||
              m_pOwner->m_dwDnState != CFWL_PartState_Normal) {
     if (m_pOwner->m_dwUpState != CFWL_PartState_Normal) {
       m_pOwner->m_dwUpState = CFWL_PartState_Normal;
       bRepaint = TRUE;
       rtInvlidate = m_pOwner->m_rtUpButton;
     }
     if (m_pOwner->m_dwDnState != CFWL_PartState_Normal) {
       m_pOwner->m_dwDnState = CFWL_PartState_Normal;
       if (bRepaint) {
         rtInvlidate.Union(m_pOwner->m_rtDnButton);
       } else {
         rtInvlidate = m_pOwner->m_rtDnButton;
       }
       bRepaint = TRUE;
     }
   }
   if (bRepaint) {
     m_pOwner->Repaint(&rtInvlidate);
   }
 }
 void CFWL_SpinButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
   if (!pMsg)
     return;
   if (m_pOwner->m_dwUpState != CFWL_PartState_Normal &&
       m_pOwner->IsButtonEnable(TRUE)) {
     m_pOwner->m_dwUpState = CFWL_PartState_Normal;
   }
   if (m_pOwner->m_dwDnState != CFWL_PartState_Normal &&
       m_pOwner->IsButtonEnable(FALSE)) {
     m_pOwner->m_dwDnState = CFWL_PartState_Normal;
   }
   m_pOwner->Repaint(&m_pOwner->m_rtClient);
 }
 void CFWL_SpinButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
   if (!m_pOwner->m_pProperties->m_pDataProvider)
     return;
   FX_BOOL bUp =
       pMsg->m_dwKeyCode == FWL_VKEY_Up || pMsg->m_dwKeyCode == FWL_VKEY_Left;
   FX_BOOL bDown =
       pMsg->m_dwKeyCode == FWL_VKEY_Down || pMsg->m_dwKeyCode == FWL_VKEY_Right;
   if (!bUp && !bDown) {
     return;
   }
   FX_BOOL bUpEnable = m_pOwner->IsButtonEnable(TRUE);
   FX_BOOL bDownEnable = m_pOwner->IsButtonEnable(FALSE);
   if (!bUpEnable && !bDownEnable) {
     return;
   }
   CFWL_EvtSpbClick wmPosChanged;
   wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
   wmPosChanged.m_bUp = bUpEnable;
   m_pOwner->DispatchEvent(&wmPosChanged);
   m_pOwner->Repaint(bUpEnable ? &m_pOwner->m_rtUpButton
                               : &m_pOwner->m_rtDnButton);
 }
	// Copyright 2014 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/basewidget/fwl_spinbuttonimp.h"

	#include "xfa/fwl/basewidget/ifwl_spinbutton.h"
	#include "xfa/fwl/core/cfwl_message.h"
	#include "xfa/fwl/core/cfwl_themebackground.h"
	#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
	#include "xfa/fwl/core/fwl_noteimp.h"
	#include "xfa/fwl/core/fwl_widgetimp.h"
	#include "xfa/fwl/core/ifwl_themeprovider.h"
	#include "xfa/fwl/core/ifwl_themeprovider.h"
	#include "xfa/fwl/core/ifwl_timer.h"

	#define FWL_SPN_MinWidth 18
	#define FWL_SPN_MinHeight 32
	#define FWL_SPIN_Elapse 200

	// static
	IFWL_SpinButton* IFWL_SpinButton::Create(
	const CFWL_WidgetImpProperties& properties,
	IFWL_Widget* pOuter) {
	IFWL_SpinButton* pSpinButton = new IFWL_SpinButton;
	CFWL_SpinButtonImp* pSpinButtonImpl =
	new CFWL_SpinButtonImp(properties, nullptr);
	pSpinButton->SetImpl(pSpinButtonImpl);
	pSpinButtonImpl->SetInterface(pSpinButton);
	return pSpinButton;
	}
	IFWL_SpinButton::IFWL_SpinButton() {}
	FWL_ERR IFWL_SpinButton::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
	return static_cast<CFWL_SpinButtonImp*>(GetImpl())
	->EnableButton(bEnable, bUp);
	}
	FX_BOOL IFWL_SpinButton::IsButtonEnable(FX_BOOL bUp) {
	return static_cast<CFWL_SpinButtonImp*>(GetImpl())->IsButtonEnable(bUp);
	}

	CFWL_SpinButtonImp::CFWL_SpinButtonImp(
	const CFWL_WidgetImpProperties& properties,
	IFWL_Widget* pOuter)
	: CFWL_WidgetImp(properties, pOuter),
	m_dwUpState(CFWL_PartState_Normal),
	m_dwDnState(CFWL_PartState_Normal),
	m_iButtonIndex(0),
	m_bLButtonDwn(FALSE),
	m_hTimer(NULL) {
	m_rtClient.Reset();
	m_rtUpButton.Reset();
	m_rtDnButton.Reset();
	m_pProperties->m_dwStyleExes \|= FWL_STYLEEXE_SPB_Vert;
	}
	CFWL_SpinButtonImp::~CFWL_SpinButtonImp() {}
	FWL_ERR CFWL_SpinButtonImp::GetClassName(CFX_WideString& wsClass) const {
	wsClass = FWL_CLASS_SpinButton;
	return FWL_ERR_Succeeded;
	}
	uint32_t CFWL_SpinButtonImp::GetClassID() const {
	return FWL_CLASSHASH_SpinButton;
	}
	FWL_ERR CFWL_SpinButtonImp::Initialize() {
	if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
	return FWL_ERR_Indefinite;
	m_pDelegate = new CFWL_SpinButtonImpDelegate(this);
	return FWL_ERR_Succeeded;
	}
	FWL_ERR CFWL_SpinButtonImp::Finalize() {
	delete m_pDelegate;
	m_pDelegate = nullptr;
	return CFWL_WidgetImp::Finalize();
	}
	FWL_ERR CFWL_SpinButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
	if (bAutoSize) {
	rect.Set(0, 0, FWL_SPN_MinWidth, FWL_SPN_MinHeight);
	CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
	} else {
	rect = m_pProperties->m_rtWidget;
	}
	return FWL_ERR_Succeeded;
	}
	FWL_ERR CFWL_SpinButtonImp::Update() {
	if (IsLocked()) {
	return FWL_ERR_Indefinite;
	}
	GetClientRect(m_rtClient);
	if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) {
	m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width,
	m_rtClient.height / 2);
	m_rtDnButton.Set(m_rtClient.left, m_rtClient.top + m_rtClient.height / 2,
	m_rtClient.width, m_rtClient.height / 2);
	} else {
	m_rtUpButton.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width / 2,
	m_rtClient.height);
	m_rtDnButton.Set(m_rtClient.left + m_rtClient.width / 2, m_rtClient.top,
	m_rtClient.width / 2, m_rtClient.height);
	}
	return FWL_ERR_Succeeded;
	}
	uint32_t CFWL_SpinButtonImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
	if (m_rtClient.Contains(fx, fy)) {
	return FWL_WGTHITTEST_Client;
	}
	if (HasBorder() && (m_rtClient.Contains(fx, fy))) {
	return FWL_WGTHITTEST_Border;
	}
	if (HasEdge()) {
	CFX_RectF rtEdge;
	GetEdgeRect(rtEdge);
	if (rtEdge.Contains(fx, fy)) {
	return FWL_WGTHITTEST_Left;
	}
	}
	if (m_rtUpButton.Contains(fx, fy)) {
	return FWL_WGTHITTEST_SPB_UpButton;
	}
	if (m_rtDnButton.Contains(fx, fy)) {
	return FWL_WGTHITTEST_SPB_DownButton;
	}
	return FWL_WGTHITTEST_Unknown;
	}
	FWL_ERR CFWL_SpinButtonImp::DrawWidget(CFX_Graphics* pGraphics,
	const CFX_Matrix* pMatrix) {
	if (!pGraphics)
	return FWL_ERR_Indefinite;
	CFX_RectF rtClip(m_rtClient);
	if (pMatrix != NULL) {
	pMatrix->TransformRect(rtClip);
	}
	IFWL_ThemeProvider* pTheme = GetAvailableTheme();
	if (HasBorder()) {
	DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
	}
	if (HasEdge()) {
	DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
	}
	DrawUpButton(pGraphics, pTheme, pMatrix);
	DrawDownButton(pGraphics, pTheme, pMatrix);
	return FWL_ERR_Succeeded;
	}
	int32_t CFWL_SpinButtonImp::Run(FWL_HTIMER hTimer) {
	if (m_hTimer) {
	CFWL_EvtSpbClick wmPosChanged;
	wmPosChanged.m_pSrcTarget = m_pInterface;
	wmPosChanged.m_bUp = m_iButtonIndex == 0;
	DispatchEvent(&wmPosChanged);
	}
	return 1;
	}
	FWL_ERR CFWL_SpinButtonImp::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
	if (bUp) {
	if (bEnable) {
	m_dwUpState = CFWL_PartState_Normal;
	} else {
	m_dwUpState = CFWL_PartState_Disabled;
	}
	} else {
	if (bEnable) {
	m_dwDnState = CFWL_PartState_Normal;
	} else {
	m_dwDnState = CFWL_PartState_Disabled;
	}
	}
	return FWL_ERR_Succeeded;
	}
	FX_BOOL CFWL_SpinButtonImp::IsButtonEnable(FX_BOOL bUp) {
	if (bUp) {
	return (m_dwUpState != CFWL_PartState_Disabled);
	}
	return (m_dwDnState != CFWL_PartState_Disabled);
	}
	void CFWL_SpinButtonImp::DrawUpButton(CFX_Graphics* pGraphics,
	IFWL_ThemeProvider* pTheme,
	const CFX_Matrix* pMatrix) {
	CFWL_ThemeBackground params;
	params.m_pWidget = m_pInterface;
	params.m_iPart = CFWL_Part::UpButton;
	params.m_pGraphics = pGraphics;
	params.m_dwStates = m_dwUpState + 1;
	if (pMatrix) {
	params.m_matrix.Concat(*pMatrix);
	}
	params.m_rtPart = m_rtUpButton;
	pTheme->DrawBackground(&params);
	}
	void CFWL_SpinButtonImp::DrawDownButton(CFX_Graphics* pGraphics,
	IFWL_ThemeProvider* pTheme,
	const CFX_Matrix* pMatrix) {
	CFWL_ThemeBackground params;
	params.m_pWidget = m_pInterface;
	params.m_iPart = CFWL_Part::DownButton;
	params.m_pGraphics = pGraphics;
	params.m_dwStates = m_dwDnState + 1;
	if (pMatrix) {
	params.m_matrix.Concat(*pMatrix);
	}
	params.m_rtPart = m_rtDnButton;
	pTheme->DrawBackground(&params);
	}

	CFWL_SpinButtonImpDelegate::CFWL_SpinButtonImpDelegate(
	CFWL_SpinButtonImp* pOwner)
	: m_pOwner(pOwner) {}

	int32_t CFWL_SpinButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
	if (!pMessage)
	return 0;

	int32_t iRet = 1;
	CFWL_MessageType dwMsgCode = pMessage->GetClassID();
	switch (dwMsgCode) {
	case CFWL_MessageType::SetFocus: {
	OnFocusChanged(pMessage, TRUE);
	break;
	}
	case CFWL_MessageType::KillFocus: {
	OnFocusChanged(pMessage, FALSE);
	break;
	}
	case CFWL_MessageType::Mouse: {
	CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
	switch (pMsg->m_dwCmd) {
	case FWL_MSGMOUSECMD_LButtonDown: {
	OnLButtonDown(pMsg);
	break;
	}
	case FWL_MSGMOUSECMD_LButtonUp: {
	OnLButtonUp(pMsg);
	break;
	}
	case FWL_MSGMOUSECMD_MouseMove: {
	OnMouseMove(pMsg);
	break;
	}
	case FWL_MSGMOUSECMD_MouseLeave: {
	OnMouseLeave(pMsg);
	break;
	}
	default:
	break;
	}
	break;
	}
	case CFWL_MessageType::Key: {
	CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
	if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown)
	OnKeyDown(pKey);
	break;
	}
	default: {
	iRet = 0;
	break;
	}
	}
	CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
	return iRet;
	}

	FWL_ERR CFWL_SpinButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
	return FWL_ERR_Succeeded;
	}
	FWL_ERR CFWL_SpinButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
	const CFX_Matrix* pMatrix) {
	return m_pOwner->DrawWidget(pGraphics, pMatrix);
	}
	void CFWL_SpinButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
	FX_BOOL bSet) {
	if (bSet) {
	m_pOwner->m_pProperties->m_dwStates \|= (FWL_WGTSTATE_Focused);
	} else {
	m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
	}
	m_pOwner->Repaint(&m_pOwner->m_rtClient);
	}
	void CFWL_SpinButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
	m_pOwner->m_bLButtonDwn = TRUE;
	m_pOwner->SetGrab(TRUE);
	m_pOwner->SetFocus(TRUE);
	if (!m_pOwner->m_pProperties->m_pDataProvider)
	return;
	FX_BOOL bUpPress = (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
	m_pOwner->IsButtonEnable(TRUE));
	FX_BOOL bDnPress = (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
	m_pOwner->IsButtonEnable(FALSE));
	if (!bUpPress && !bDnPress) {
	return;
	}
	if (bUpPress) {
	m_pOwner->m_iButtonIndex = 0;
	m_pOwner->m_dwUpState = CFWL_PartState_Pressed;
	}
	if (bDnPress) {
	m_pOwner->m_iButtonIndex = 1;
	m_pOwner->m_dwDnState = CFWL_PartState_Pressed;
	}
	CFWL_EvtSpbClick wmPosChanged;
	wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
	wmPosChanged.m_bUp = bUpPress;
	m_pOwner->DispatchEvent(&wmPosChanged);
	m_pOwner->Repaint(bUpPress ? &m_pOwner->m_rtUpButton
	: &m_pOwner->m_rtDnButton);
	m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SPIN_Elapse);
	}
	void CFWL_SpinButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
	if (m_pOwner->m_pProperties->m_dwStates & CFWL_PartState_Disabled) {
	return;
	}
	m_pOwner->m_bLButtonDwn = FALSE;
	m_pOwner->SetGrab(FALSE);
	m_pOwner->SetFocus(FALSE);
	if (m_pOwner->m_hTimer) {
	FWL_StopTimer(m_pOwner->m_hTimer);
	m_pOwner->m_hTimer = NULL;
	}
	FX_BOOL bRepaint = FALSE;
	CFX_RectF rtInvalidate;
	if (m_pOwner->m_dwUpState == CFWL_PartState_Pressed &&
	m_pOwner->IsButtonEnable(TRUE)) {
	m_pOwner->m_dwUpState = CFWL_PartState_Normal;
	bRepaint = TRUE;
	rtInvalidate = m_pOwner->m_rtUpButton;
	} else if (m_pOwner->m_dwDnState == CFWL_PartState_Pressed &&
	m_pOwner->IsButtonEnable(FALSE)) {
	m_pOwner->m_dwDnState = CFWL_PartState_Normal;
	bRepaint = TRUE;
	rtInvalidate = m_pOwner->m_rtDnButton;
	}
	if (bRepaint) {
	m_pOwner->Repaint(&rtInvalidate);
	}
	}
	void CFWL_SpinButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
	if (!m_pOwner->m_pProperties->m_pDataProvider)
	return;
	if (m_pOwner->m_bLButtonDwn) {
	return;
	}
	FX_BOOL bRepaint = FALSE;
	CFX_RectF rtInvlidate;
	rtInvlidate.Reset();
	if (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
	if (m_pOwner->IsButtonEnable(TRUE)) {
	if (m_pOwner->m_dwUpState == CFWL_PartState_Hovered) {
	m_pOwner->m_dwUpState = CFWL_PartState_Hovered;
	bRepaint = TRUE;
	rtInvlidate = m_pOwner->m_rtUpButton;
	}
	if (m_pOwner->m_dwDnState != CFWL_PartState_Normal &&
	m_pOwner->IsButtonEnable(FALSE)) {
	m_pOwner->m_dwDnState = CFWL_PartState_Normal;
	if (bRepaint) {
	rtInvlidate.Union(m_pOwner->m_rtDnButton);
	} else {
	rtInvlidate = m_pOwner->m_rtDnButton;
	}
	bRepaint = TRUE;
	}
	}
	if (!m_pOwner->IsButtonEnable(FALSE)) {
	m_pOwner->EnableButton(FALSE, FALSE);
	}
	} else if (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
	if (m_pOwner->IsButtonEnable(FALSE)) {
	if (m_pOwner->m_dwDnState != CFWL_PartState_Hovered) {
	m_pOwner->m_dwDnState = CFWL_PartState_Hovered;
	bRepaint = TRUE;
	rtInvlidate = m_pOwner->m_rtDnButton;
	}
	if (m_pOwner->m_dwUpState != CFWL_PartState_Normal &&
	m_pOwner->IsButtonEnable(TRUE)) {
	m_pOwner->m_dwUpState = CFWL_PartState_Normal;
	if (bRepaint) {
	rtInvlidate.Union(m_pOwner->m_rtUpButton);
	} else {
	rtInvlidate = m_pOwner->m_rtUpButton;
	}
	bRepaint = TRUE;
	}
	}
	} else if (m_pOwner->m_dwUpState != CFWL_PartState_Normal \|\|
	m_pOwner->m_dwDnState != CFWL_PartState_Normal) {
	if (m_pOwner->m_dwUpState != CFWL_PartState_Normal) {
	m_pOwner->m_dwUpState = CFWL_PartState_Normal;
	bRepaint = TRUE;
	rtInvlidate = m_pOwner->m_rtUpButton;
	}
	if (m_pOwner->m_dwDnState != CFWL_PartState_Normal) {
	m_pOwner->m_dwDnState = CFWL_PartState_Normal;
	if (bRepaint) {
	rtInvlidate.Union(m_pOwner->m_rtDnButton);
	} else {
	rtInvlidate = m_pOwner->m_rtDnButton;
	}
	bRepaint = TRUE;
	}
	}
	if (bRepaint) {
	m_pOwner->Repaint(&rtInvlidate);
	}
	}
	void CFWL_SpinButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
	if (!pMsg)
	return;
	if (m_pOwner->m_dwUpState != CFWL_PartState_Normal &&
	m_pOwner->IsButtonEnable(TRUE)) {
	m_pOwner->m_dwUpState = CFWL_PartState_Normal;
	}
	if (m_pOwner->m_dwDnState != CFWL_PartState_Normal &&
	m_pOwner->IsButtonEnable(FALSE)) {
	m_pOwner->m_dwDnState = CFWL_PartState_Normal;
	}
	m_pOwner->Repaint(&m_pOwner->m_rtClient);
	}
	void CFWL_SpinButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
	if (!m_pOwner->m_pProperties->m_pDataProvider)
	return;
	FX_BOOL bUp =
	pMsg->m_dwKeyCode == FWL_VKEY_Up \|\| pMsg->m_dwKeyCode == FWL_VKEY_Left;
	FX_BOOL bDown =
	pMsg->m_dwKeyCode == FWL_VKEY_Down \|\| pMsg->m_dwKeyCode == FWL_VKEY_Right;
	if (!bUp && !bDown) {
	return;
	}
	FX_BOOL bUpEnable = m_pOwner->IsButtonEnable(TRUE);
	FX_BOOL bDownEnable = m_pOwner->IsButtonEnable(FALSE);
	if (!bUpEnable && !bDownEnable) {
	return;
	}
	CFWL_EvtSpbClick wmPosChanged;
	wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
	wmPosChanged.m_bUp = bUpEnable;
	m_pOwner->DispatchEvent(&wmPosChanged);
	m_pOwner->Repaint(bUpEnable ? &m_pOwner->m_rtUpButton
	: &m_pOwner->m_rtDnButton);
	}