UIHotKey.cpp

#include "stdafx.h"
#include "UIHotKey.h"
namespace DuiLib{
	CHotKeyWnd::CHotKeyWnd(void) : m_pOwner(NULL), m_hBkBrush(NULL), m_bInit(false)
	{
	}
	void CHotKeyWnd::Init(CHotKeyUI * pOwner)
	{
		m_pOwner = pOwner;
		do 
		{
			if (NULL == m_pOwner)
			{
				break;
			}
			RECT rcPos = CalPos();
			UINT uStyle = WS_CHILD | ES_AUTOHSCROLL;
			HWND hWnd = Create(m_pOwner->GetManager()->GetPaintWindow(), NULL, uStyle, 0, rcPos);
			if (!IsWindow(hWnd))
			{
				break;
			}
			SetWindowFont(m_hWnd, m_pOwner->GetManager()->GetFontInfo(m_pOwner->GetFont())->hFont, TRUE);
			SetHotKey(m_pOwner->m_wVirtualKeyCode, m_pOwner->m_wModifiers);
			m_pOwner->m_sText = GetHotKeyName();
			::EnableWindow(m_hWnd, m_pOwner->IsEnabled() == true);
			::ShowWindow(m_hWnd, SW_SHOWNOACTIVATE);
			::SetFocus(m_hWnd);
			m_bInit = true;   
		} while (0); 
	}


	RECT CHotKeyWnd::CalPos()
	{
		CDuiRect rcPos = m_pOwner->GetPos();
		RECT rcInset = m_pOwner->GetTextPadding();
		rcPos.left += rcInset.left;
		rcPos.top += rcInset.top;
		rcPos.right -= rcInset.right;
		rcPos.bottom -= rcInset.bottom;
		LONG lHeight = m_pOwner->GetManager()->GetFontInfo(m_pOwner->GetFont())->tm.tmHeight;
		if( lHeight < rcPos.GetHeight() ) {
			rcPos.top += (rcPos.GetHeight() - lHeight) / 2;
			rcPos.bottom = rcPos.top + lHeight;
		}
		return rcPos;
	}


	LPCTSTR CHotKeyWnd::GetWindowClassName() const
	{
		return _T("HotKeyClass");
	}


	void CHotKeyWnd::OnFinalMessage(HWND /*hWnd*/)
	{
		// Clear reference and die
		if( m_hBkBrush != NULL ) ::DeleteObject(m_hBkBrush);
		m_pOwner->m_pWindow = NULL;
		delete this;
	}

	LRESULT CHotKeyWnd::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
	{
		LRESULT lRes = 0;
		BOOL bHandled = TRUE;
		if( uMsg == WM_KILLFOCUS ) lRes = OnKillFocus(uMsg, wParam, lParam, bHandled);
		else if( uMsg == OCM_COMMAND ) {
			if( GET_WM_COMMAND_CMD(wParam, lParam) == EN_CHANGE ) lRes = OnEditChanged(uMsg, wParam, lParam, bHandled);
			else if( GET_WM_COMMAND_CMD(wParam, lParam) == EN_UPDATE ) {
				RECT rcClient;
				::GetClientRect(m_hWnd, &rcClient);
				::InvalidateRect(m_hWnd, &rcClient, FALSE);
			}
		}
		else if( uMsg == WM_KEYDOWN && TCHAR(wParam) == VK_RETURN ) {
			m_pOwner->GetManager()->SendNotify(m_pOwner, _T("return"));
		}
		else if ( (uMsg == WM_NCACTIVATE) || (uMsg == WM_NCACTIVATE) || (uMsg == WM_NCCALCSIZE) )
		{
			return 0;
		}
		else if (uMsg == WM_PAINT)
		{
			PAINTSTRUCT ps = { 0 };
			HDC hDC = ::BeginPaint(m_hWnd, &ps);
			DWORD dwTextColor = m_pOwner->GetTextColor();
			DWORD dwBkColor = m_pOwner->GetNativeBkColor();
			CDuiString strText = GetHotKeyName();
			::RECT rect;
			::GetClientRect(m_hWnd, &rect);
			::SetBkMode(hDC, TRANSPARENT);
			::SetTextColor(hDC, RGB(GetBValue(dwTextColor), GetGValue(dwTextColor), GetRValue(dwTextColor)));
			HBRUSH hBrush =  CreateSolidBrush( RGB(GetBValue(dwBkColor), GetGValue(dwBkColor), GetRValue(dwBkColor)) );
			::FillRect(hDC, &rect, hBrush);
			::DeleteObject(hBrush);
			HFONT hOldFont = (HFONT)SelectObject(hDC, GetWindowFont(m_hWnd));
			::SIZE size = { 0 };
			::GetTextExtentPoint32(hDC, strText.GetData(), strText.GetLength(), &size) ;
			::DrawText(hDC, strText.GetData(), -1, &rect, DT_LEFT|DT_SINGLELINE|DT_END_ELLIPSIS|DT_NOPREFIX);
			::SelectObject(hDC, hOldFont);
			::SetCaretPos(size.cx, 0);
			::EndPaint(m_hWnd, &ps);
			bHandled = TRUE;
		}
		else bHandled = FALSE;
		if( !bHandled ) return CWindowWnd::HandleMessage(uMsg, wParam, lParam);
		return lRes;
	}


	LPCTSTR CHotKeyWnd::GetSuperClassName() const
	{
		return HOTKEY_CLASS;
	}


	LRESULT CHotKeyWnd::OnKillFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
	{
		LRESULT lRes = ::DefWindowProc(m_hWnd, uMsg, wParam, lParam);
		::SendMessage(m_hWnd, WM_CLOSE, 0, 0);
		return lRes;
	}


	LRESULT CHotKeyWnd::OnEditChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
	{
		if( !m_bInit ) return 0;
		if( m_pOwner == NULL ) return 0;
		GetHotKey(m_pOwner->m_wVirtualKeyCode, m_pOwner->m_wModifiers);
		if (m_pOwner->m_wVirtualKeyCode == 0)
		{
			m_pOwner->m_sText = _T("ÎÞ");
			m_pOwner->m_wModifiers = 0;
		}
		else
		{
			m_pOwner->m_sText = GetHotKeyName();
		}
		m_pOwner->GetManager()->SendNotify(m_pOwner, _T("textchanged"));
		return 0;
	}


	void CHotKeyWnd::SetHotKey(WORD wVirtualKeyCode, WORD wModifiers)
	{
		ASSERT(::IsWindow(m_hWnd));  
		::SendMessage(m_hWnd, HKM_SETHOTKEY, MAKEWORD(wVirtualKeyCode, wModifiers), 0L);
	}

	DWORD CHotKeyWnd::GetHotKey() const
	{
		ASSERT(::IsWindow(m_hWnd));
		return (::SendMessage(m_hWnd, HKM_GETHOTKEY, 0, 0L));
	}

	void CHotKeyWnd::GetHotKey(WORD &wVirtualKeyCode, WORD &wModifiers) const
	{
		//ASSERT(::IsWindow(m_hWnd));
		//LRESULT dw = ::SendMessage(m_hWnd, HKM_GETHOTKEY, 0, 0L);
		DWORD dw = GetHotKey();
		wVirtualKeyCode = LOBYTE(LOWORD(dw));
		wModifiers = HIBYTE(LOWORD(dw));
	}

	void CHotKeyWnd::SetRules(WORD wInvalidComb, WORD wModifiers)
	{ 
		ASSERT(::IsWindow(m_hWnd));  
		::SendMessage(m_hWnd, HKM_SETRULES, wInvalidComb, MAKELPARAM(wModifiers, 0)); 
	}


	CDuiString CHotKeyWnd::GetKeyName(UINT vk, BOOL fExtended)
	{
		UINT nScanCode = ::MapVirtualKeyEx( vk, 0, ::GetKeyboardLayout( 0 ) );
		switch( vk )
		{
			// Keys which are "extended" (except for Return which is Numeric Enter as extended)
		case VK_INSERT:
		case VK_DELETE:
		case VK_HOME:
		case VK_END:
		case VK_NEXT: // Page down
		case VK_PRIOR: // Page up
		case VK_LEFT:
		case VK_RIGHT:
		case VK_UP:
		case VK_DOWN:
			nScanCode |= 0x100; // Add extended bit
		}
		if (fExtended)
			nScanCode |= 0x01000000L;

		TCHAR szStr[ MAX_PATH ] = {0};
		::GetKeyNameText( nScanCode << 16, szStr, MAX_PATH );

		return CDuiString(szStr);
	}


	CDuiString CHotKeyWnd::GetHotKeyName()
	{
		ASSERT(::IsWindow(m_hWnd));

		CDuiString strKeyName;
		WORD wCode = 0;
		WORD wModifiers = 0;
		const TCHAR szPlus[] = _T(" + ");

		GetHotKey(wCode, wModifiers);
		if (wCode != 0 || wModifiers != 0)
		{
			if (wModifiers & HOTKEYF_CONTROL)
			{
				strKeyName += GetKeyName(VK_CONTROL, FALSE);
				strKeyName += szPlus;
			}


			if (wModifiers & HOTKEYF_SHIFT)
			{
				strKeyName += GetKeyName(VK_SHIFT, FALSE);
				strKeyName += szPlus;
			}


			if (wModifiers & HOTKEYF_ALT)
			{
				strKeyName += GetKeyName(VK_MENU, FALSE);
				strKeyName += szPlus;
			}


			strKeyName += GetKeyName(wCode, wModifiers & HOTKEYF_EXT);
		}

		return strKeyName;
	}


	//////////////////////////////////////////////////////////////////////////
	IMPLEMENT_DUICONTROL(CHotKeyUI)

	CHotKeyUI::CHotKeyUI() : m_pWindow(NULL), m_wVirtualKeyCode(0), m_wModifiers(0), m_uButtonState(0), m_dwHotKeybkColor(0xFFFFFFFF)
	{
		SetTextPadding(CDuiRect(4, 3, 4, 3));
		SetBkColor(0xFFFFFFFF);
	}

	LPCTSTR CHotKeyUI::GetClass() const
	{
		return _T("HotKeyUI");
	}

	LPVOID CHotKeyUI::GetInterface(LPCTSTR pstrName)
	{
		if( _tcscmp(pstrName, _T("HotKey")) == 0 ) return static_cast<CHotKeyUI *>(this);
		return CLabelUI::GetInterface(pstrName);
	}

	UINT CHotKeyUI::GetControlFlags() const
	{
		if( !IsEnabled() ) return CControlUI::GetControlFlags();

		return UIFLAG_SETCURSOR | UIFLAG_TABSTOP;
	}

	void CHotKeyUI::DoEvent(TEventUI& event)
	{
		if( !IsMouseEnabled() && event.Type > UIEVENT__MOUSEBEGIN && event.Type < UIEVENT__MOUSEEND ) {
			if( m_pParent != NULL ) m_pParent->DoEvent(event);
			else CLabelUI::DoEvent(event);
			return;
		}

		if( event.Type == UIEVENT_SETCURSOR && IsEnabled() )
		{
			::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_IBEAM)));
			return;
		}
		if( event.Type == UIEVENT_WINDOWSIZE )
		{
			if( m_pWindow != NULL ) m_pManager->SetFocusNeeded(this);
		}
		if( event.Type == UIEVENT_SCROLLWHEEL )
		{
			if( m_pWindow != NULL ) return;
		}
		if( event.Type == UIEVENT_SETFOCUS && IsEnabled() ) 
		{
			if( m_pWindow ) return;
			m_pWindow = new CHotKeyWnd();
			ASSERT(m_pWindow);
			m_pWindow->Init(this);
			Invalidate();
		}
		if( event.Type == UIEVENT_KILLFOCUS && IsEnabled() ) 
		{
			Invalidate();
		}
		if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK || event.Type == UIEVENT_RBUTTONDOWN) 
		{
			if( IsEnabled() ) {
				GetManager()->ReleaseCapture();
				if( IsFocused() && m_pWindow == NULL )
				{
					m_pWindow = new CHotKeyWnd();
					ASSERT(m_pWindow);
					m_pWindow->Init(this);
				}
			}
			return;
		}
		if( event.Type == UIEVENT_MOUSEMOVE ) 
		{
			return;
		}
		if( event.Type == UIEVENT_BUTTONUP ) 
		{
			return;
		}
		if( event.Type == UIEVENT_CONTEXTMENU )
		{
			return;
		}
		if( event.Type == UIEVENT_MOUSEENTER )
		{
			if( IsEnabled() ) {
				m_uButtonState |= UISTATE_HOT;
				Invalidate();
			}
			return;
		}
		if( event.Type == UIEVENT_MOUSELEAVE )
		{
			if( IsEnabled() ) {
				m_uButtonState &= ~UISTATE_HOT;
				Invalidate();
			}
			return;
		}
		CLabelUI::DoEvent(event);
	}

	void CHotKeyUI::SetEnabled(bool bEnable)
	{
		CControlUI::SetEnabled(bEnable);
		if( !IsEnabled() ) {
			m_uButtonState = 0;
		}
	}

	void CHotKeyUI::SetText(LPCTSTR pstrText)
	{
		m_sText = pstrText;
		if( m_pWindow != NULL ) Edit_SetText(*m_pWindow, m_sText);
		Invalidate();
	}

	LPCTSTR CHotKeyUI::GetNormalImage()
	{
		return m_sNormalImage;
	}

	void CHotKeyUI::SetNormalImage(LPCTSTR pStrImage)
	{
		m_sNormalImage = pStrImage;
		Invalidate();
	}

	LPCTSTR CHotKeyUI::GetHotImage()
	{
		return m_sHotImage;
	}

	void CHotKeyUI::SetHotImage(LPCTSTR pStrImage)
	{
		m_sHotImage = pStrImage;
		Invalidate();
	}

	LPCTSTR CHotKeyUI::GetFocusedImage()
	{
		return m_sFocusedImage;
	}

	void CHotKeyUI::SetFocusedImage(LPCTSTR pStrImage)
	{
		m_sFocusedImage = pStrImage;
		Invalidate();
	}

	LPCTSTR CHotKeyUI::GetDisabledImage()
	{
		return m_sDisabledImage;
	}

	void CHotKeyUI::SetDisabledImage(LPCTSTR pStrImage)
	{
		m_sDisabledImage = pStrImage;
		Invalidate();
	}

	void CHotKeyUI::SetNativeBkColor(DWORD dwBkColor)
	{
		m_dwHotKeybkColor = dwBkColor;
	}

	DWORD CHotKeyUI::GetNativeBkColor() const
	{
		return m_dwHotKeybkColor;
	}

	void CHotKeyUI::SetPos(RECT rc)
	{
		CControlUI::SetPos(rc);
		if( m_pWindow != NULL ) {
			RECT rcPos = m_pWindow->CalPos();
			::SetWindowPos(m_pWindow->GetHWND(), NULL, rcPos.left, rcPos.top, rcPos.right - rcPos.left, 
				rcPos.bottom - rcPos.top, SWP_NOZORDER | SWP_NOACTIVATE);        
		}
	}

	void CHotKeyUI::SetVisible(bool bVisible)
	{
		CControlUI::SetVisible(bVisible);
		if( !IsVisible() && m_pWindow != NULL ) m_pManager->SetFocus(NULL);
	}

	void CHotKeyUI::SetInternVisible(bool bVisible)
	{
		if( !IsVisible() && m_pWindow != NULL ) m_pManager->SetFocus(NULL);
	}

	SIZE CHotKeyUI::EstimateSize(SIZE szAvailable)
	{
		if( m_cxyFixed.cy == 0 ) return CDuiSize(m_cxyFixed.cx, m_pManager->GetFontInfo(GetFont())->tm.tmHeight + 6);
		return CControlUI::EstimateSize(szAvailable);
	}

	void CHotKeyUI::SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue)
	{
		if( _tcscmp(pstrName, _T("normalimage")) == 0 ) SetNormalImage(pstrValue);
		else if( _tcscmp(pstrName, _T("hotimage")) == 0 ) SetHotImage(pstrValue);
		else if( _tcscmp(pstrName, _T("focusedimage")) == 0 ) SetFocusedImage(pstrValue);
		else if( _tcscmp(pstrName, _T("disabledimage")) == 0 ) SetDisabledImage(pstrValue);
		else if( _tcscmp(pstrName, _T("nativebkcolor")) == 0 ) {
			if( *pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue);
			LPTSTR pstr = NULL;
			DWORD clrColor = _tcstoul(pstrValue, &pstr, 16);
			SetNativeBkColor(clrColor);
		}
		else CLabelUI::SetAttribute(pstrName, pstrValue);
	}

	void CHotKeyUI::PaintStatusImage(HDC hDC)
	{
		if( IsFocused() ) m_uButtonState |= UISTATE_FOCUSED;
		else m_uButtonState &= ~ UISTATE_FOCUSED;
		if( !IsEnabled() ) m_uButtonState |= UISTATE_DISABLED;
		else m_uButtonState &= ~ UISTATE_DISABLED;

		if( (m_uButtonState & UISTATE_DISABLED) != 0 ) {
			if( !m_sDisabledImage.IsEmpty() ) {
				if( !DrawImage(hDC, (LPCTSTR)m_sDisabledImage) ) {}
				else return;
			}
		}
		else if( (m_uButtonState & UISTATE_FOCUSED) != 0 ) {
			if( !m_sFocusedImage.IsEmpty() ) {
				if( !DrawImage(hDC, (LPCTSTR)m_sFocusedImage) ) {}
				else return;
			}
		}
		else if( (m_uButtonState & UISTATE_HOT) != 0 ) {
			if( !m_sHotImage.IsEmpty() ) {
				if( !DrawImage(hDC, (LPCTSTR)m_sHotImage) ) {}
				else return;
			}
		}

		if( !m_sNormalImage.IsEmpty() ) {
			if( !DrawImage(hDC, (LPCTSTR)m_sNormalImage) ) {}
			else return;
		}
	}

	void CHotKeyUI::PaintText(HDC hDC)
	{
		if( m_dwTextColor == 0 ) m_dwTextColor = m_pManager->GetDefaultFontColor();
		if( m_dwDisabledTextColor == 0 ) m_dwDisabledTextColor = m_pManager->GetDefaultDisabledColor();
		if( m_sText.IsEmpty() ) return;
		CDuiString sText = m_sText;
		RECT rc = m_rcItem;
		rc.left += m_rcTextPadding.left;
		rc.right -= m_rcTextPadding.right;
		rc.top += m_rcTextPadding.top;
		rc.bottom -= m_rcTextPadding.bottom;
		if( IsEnabled() ) {
			CRenderEngine::DrawText(hDC, m_pManager, rc, sText, m_dwTextColor, \
				m_iFont, DT_SINGLELINE | m_uTextStyle);
		}
		else {
			CRenderEngine::DrawText(hDC, m_pManager, rc, sText, m_dwDisabledTextColor, \
				m_iFont, DT_SINGLELINE | m_uTextStyle);
		}
	}

	DWORD CHotKeyUI::GetHotKey() const
	{
		return (MAKEWORD(m_wVirtualKeyCode, m_wModifiers));
	}

	void CHotKeyUI::GetHotKey(WORD &wVirtualKeyCode, WORD &wModifiers) const
	{
		wVirtualKeyCode = m_wVirtualKeyCode;
		wModifiers = m_wModifiers;
	}

	void CHotKeyUI::SetHotKey(WORD wVirtualKeyCode, WORD wModifiers)
	{
		m_wVirtualKeyCode = wVirtualKeyCode;
		m_wModifiers = wModifiers;

		if( m_pWindow ) return;
		m_pWindow = new CHotKeyWnd();
		ASSERT(m_pWindow);
		m_pWindow->Init(this);
		Invalidate();
	}

}// Duilib