CACSizeBox Class Reference

#include <CAutoComplete.h>

Inheritance diagram for CACSizeBox:

Collaboration diagram for CACSizeBox:

Public Member Functions
	CACSizeBox ()
HWND	Create (HWND hwndParent)
VOID	SetStatus (BOOL bDowner, BOOL bLongList)

Static Public Member Functions
static LPCWSTR	GetWndClassName ()

Public Attributes
CAutoComplete *	m_pDropDown

Protected Member Functions
LRESULT	OnEraseBkGnd (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnNCHitTest (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnPaint (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

Protected Attributes
BOOL	m_bDowner
BOOL	m_bLongList

Detailed Description

Definition at line 94 of file CAutoComplete.h.

Constructor & Destructor Documentation

CACSizeBox()

CACSizeBox::CACSizeBox ( )

inline

Definition at line 99 of file CAutoComplete.h.

: m_pDropDown(NULL), m_bDowner(TRUE), m_bLongList(FALSE) { }

Member Function Documentation

Create()

HWND CACSizeBox::Create

(

HWND

hwndParent

)

Definition at line 540 of file CAutoComplete.cpp.

{
    ATLASSERT(m_hWnd == NULL);
    DWORD dwStyle = WS_CHILD | /*WS_VISIBLE |*/ SBS_SIZEBOX;
    HWND hWnd = ::CreateWindowExW(0, GetWndClassName(), NULL, dwStyle,
                                  0, 0, 0, 0, hwndParent, NULL,
                                  _AtlBaseModule.GetModuleInstance(), NULL);
    SubclassWindow(hWnd); // do subclass to handle message
    return m_hWnd;
}

Referenced by CAutoComplete::OnCreate().

GetWndClassName()

static LPCWSTR CACSizeBox::GetWndClassName ( )

inlinestatic

Definition at line 98 of file CAutoComplete.h.

{ return WC_SCROLLBARW; }

Referenced by Create().

OnEraseBkGnd()

LRESULT CACSizeBox::OnEraseBkGnd ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 593 of file CAutoComplete.cpp.

{
    return TRUE; // do nothing (for quick drawing)
}

OnNCHitTest()

LRESULT CACSizeBox::OnNCHitTest ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 599 of file CAutoComplete.cpp.

{
    return HTTRANSPARENT; // pass through
}

OnPaint()

LRESULT CACSizeBox::OnPaint ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 605 of file CAutoComplete.cpp.

{
    CRect rc;
    GetClientRect(&rc);
 
    PAINTSTRUCT ps;
    HDC hDC = BeginPaint(&ps);
    if (!hDC)
        return 0;
 
    // fill background
    ::FillRect(hDC, &rc, ::GetSysColorBrush(COLOR_3DFACE));
 
    // draw size-box
    INT cxy = rc.Width();
    for (INT shift = 0; shift < 2; ++shift)
    {
        // choose pen color
        INT iColor = ((shift == 0) ? COLOR_HIGHLIGHTTEXT : COLOR_3DSHADOW);
        HPEN hPen = ::CreatePen(PS_SOLID, 1, ::GetSysColor(iColor));
        HGDIOBJ hPenOld = ::SelectObject(hDC, hPen);
        // do loop to draw the slanted lines
        for (INT delta = cxy / 4; delta < cxy; delta += cxy / 4)
        {
            // draw a grip line
            if (m_bDowner)
            {
                ::MoveToEx(hDC, rc.right, rc.top + delta + shift, NULL);
                ::LineTo(hDC, rc.left + delta + shift, rc.bottom);
            }
            else
            {
                ::MoveToEx(hDC, rc.left + delta + shift, rc.top, NULL);
                ::LineTo(hDC, rc.right, rc.bottom - delta - shift);
            }
        }
        // delete pen
        ::SelectObject(hDC, hPenOld);
        ::DeleteObject(hPen);
    }
 
    EndPaint(&ps);
    return 0;
}

SetStatus()

VOID CACSizeBox::SetStatus	(	BOOL	bDowner,
		BOOL	bLongList
	)

Definition at line 551 of file CAutoComplete.cpp.

{
    // set flags
    m_bDowner = bDowner;
    m_bLongList = bLongList;
 
    if (bLongList)
    {
        SetWindowRgn(NULL, TRUE); // reset window region
        return;
    }
 
    RECT rc;
    GetWindowRect(&rc); // get size-box size
    ::OffsetRect(&rc, -rc.left, -rc.top); // window regions use special coordinates
    ATLASSERT(rc.left == 0 && rc.top == 0);
 
    // create a trianglar region
    HDC hDC = ::CreateCompatibleDC(NULL);
    ::BeginPath(hDC);
    if (m_bDowner)
    {
        ::MoveToEx(hDC, rc.right, 0, NULL);
        ::LineTo(hDC, rc.right, rc.bottom);
        ::LineTo(hDC, 0, rc.bottom);
        ::LineTo(hDC, rc.right, 0);
    }
    else
    {
        ::MoveToEx(hDC, rc.right, rc.bottom, NULL);
        ::LineTo(hDC, rc.right, 0);
        ::LineTo(hDC, 0, 0);
        ::LineTo(hDC, rc.right, rc.bottom);
    }
    ::EndPath(hDC);
    HRGN hRgn = ::PathToRegion(hDC);
    ::DeleteDC(hDC);
 
    SetWindowRgn(hRgn, TRUE); // set the trianglar region
}

Referenced by CAutoComplete::RepositionDropDown().

Member Data Documentation

m_bDowner

BOOL CACSizeBox::m_bDowner

protected

Definition at line 105 of file CAutoComplete.h.

Referenced by OnPaint(), and SetStatus().

m_bLongList

BOOL CACSizeBox::m_bLongList

protected

Definition at line 106 of file CAutoComplete.h.

Referenced by SetStatus().

m_pDropDown

CAutoComplete* CACSizeBox::m_pDropDown

Definition at line 97 of file CAutoComplete.h.

Referenced by CAutoComplete::OnCreate(), and CAutoComplete::OnNCDestroy().

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The documentation for this class was generated from the following files:

• dll/win32/browseui/CAutoComplete.h
• dll/win32/browseui/CAutoComplete.cpp