CACListView Class Reference

#include <CAutoComplete.h>

Inheritance diagram for CACListView:

Collaboration diagram for CACListView:

Public Member Functions
	CACListView ()
HWND	Create (HWND hwndParent)
VOID	SetFont (HFONT hFont)
INT	GetVisibleCount ()
CStringW	GetItemText (INT iItem)
INT	ItemFromPoint (INT x, INT y)
INT	GetCurSel ()
VOID	SetCurSel (INT iItem)
VOID	SelectHere (INT x, INT y)

Static Public Member Functions
static LPCWSTR	GetWndClassName ()

Public Attributes
CAutoComplete *	m_pDropDown
INT	m_cyItem

Protected Member Functions
LRESULT	OnButtonUp (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnLButtonDown (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnMRButtonDown (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnMouseWheel (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
LRESULT	OnNCHitTest (UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

Detailed Description

Definition at line 35 of file CAutoComplete.h.

Constructor & Destructor Documentation

CACListView()

CACListView::CACListView

(

)

Definition at line 380 of file CAutoComplete.cpp.

                         : m_pDropDown(NULL), m_cyItem(CY_ITEM)
{
}

Member Function Documentation

Create()

HWND CACListView::Create

(

HWND

hwndParent

)

Definition at line 384 of file CAutoComplete.cpp.

{
    ATLASSERT(m_hWnd == NULL);
    DWORD dwStyle = WS_CHILD | /*WS_VISIBLE |*/ WS_CLIPSIBLINGS | LVS_NOCOLUMNHEADER |
                    LVS_OWNERDATA | LVS_OWNERDRAWFIXED | LVS_SINGLESEL | LVS_REPORT;
    HWND hWnd = ::CreateWindowExW(0, GetWndClassName(), L"Internet Explorer", dwStyle,
                                  0, 0, 0, 0, hwndParent, NULL,
                                  _AtlBaseModule.GetModuleInstance(), NULL);
    SubclassWindow(hWnd); // do subclass to handle messages
    // set extended listview style
    DWORD exstyle = LVS_EX_ONECLICKACTIVATE | LVS_EX_FULLROWSELECT | LVS_EX_TRACKSELECT;
    SetExtendedListViewStyle(exstyle, exstyle);
    // insert one column (needed to insert items)
    LV_COLUMNW column = { LVCF_FMT | LVCF_WIDTH };
    column.fmt = LVCFMT_LEFT;
    column.cx = CX_LIST - ::GetSystemMetrics(SM_CXVSCROLL);
    InsertColumn(0, &column);
    return m_hWnd;
}

Referenced by CAutoComplete::OnCreate().

GetCurSel()

INT CACListView::GetCurSel

(

)

Definition at line 454 of file CAutoComplete.cpp.

{
    return GetNextItem(-1, LVNI_ALL | LVNI_SELECTED);
}

Referenced by CAutoComplete::GetDropDownStatus(), CAutoComplete::OnEditKeyDown(), CAutoComplete::OnListSelChange(), and CAutoComplete::OnListUpDown().

GetItemText()

CStringW CACListView::GetItemText

(

INT

iItem

)

Definition at line 436 of file CAutoComplete.cpp.

{
    // NOTE: LVS_OWNERDATA doesn't support LVM_GETITEMTEXT.
    ATLASSERT(m_pDropDown);
    ATLASSERT(GetStyle() & LVS_OWNERDATA);
    return m_pDropDown->GetItemText(iItem);
}

Referenced by CAutoComplete::GetDropDownStatus(), CAutoComplete::OnDrawItem(), and OnLButtonDown().

GetVisibleCount()

INT CACListView::GetVisibleCount

(

)

Definition at line 426 of file CAutoComplete.cpp.

{
    if (m_cyItem <= 0) // avoid "division by zero"
        return 0;
    CRect rc;
    GetClientRect(&rc);
    return rc.Height() / m_cyItem;
}

Referenced by CAutoComplete::OnListUpDown(), CAutoComplete::OnVScroll(), and CAutoComplete::UpdateScrollBar().

GetWndClassName()

static LPCWSTR CACListView::GetWndClassName ( )

inlinestatic

Definition at line 40 of file CAutoComplete.h.

{ return WC_LISTVIEW; }

Referenced by Create().

ItemFromPoint()

INT CACListView::ItemFromPoint	(	INT	x,
		INT	y
	)

Definition at line 445 of file CAutoComplete.cpp.

{
    LV_HITTESTINFO hittest;
    hittest.pt.x = x;
    hittest.pt.y = y;
    return HitTest(&hittest);
}

Referenced by OnLButtonDown(), CAutoComplete::OnNotify(), and SelectHere().

OnButtonUp()

LRESULT CACListView::OnButtonUp ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 475 of file CAutoComplete.cpp.

{
    TRACE("CACListView::OnButtonUp(%p)\n", this);
    return 0; // eat
}

OnLButtonDown()

LRESULT CACListView::OnLButtonDown ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 483 of file CAutoComplete.cpp.

{
    TRACE("CACListView::OnLButtonDown(%p)\n", this);
    ATLASSERT(m_pDropDown);
    INT iItem = ItemFromPoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
    if (iItem != -1)
    {
        m_pDropDown->SelectItem(iItem); // select the item
        CStringW strText = GetItemText(iItem); // get text of item
        m_pDropDown->SetEditText(strText); // set text
        m_pDropDown->SetEditSel(0, strText.GetLength()); // select all
        m_pDropDown->HideDropDown(); // hide
    }
    return 0;
}

OnMouseWheel()

LRESULT CACListView::OnMouseWheel ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 507 of file CAutoComplete.cpp.

{
    TRACE("CACListView::OnMouseWheel(%p)\n", this);
    ATLASSERT(m_pDropDown);
    LRESULT ret = DefWindowProcW(uMsg, wParam, lParam); // do default
    m_pDropDown->UpdateScrollBar();
    return ret;
}

OnMRButtonDown()

LRESULT CACListView::OnMRButtonDown ( UINT  uMsg, WPARAM  wParam, LPARAM  lParam, BOOL &  bHandled  )

protected

Definition at line 500 of file CAutoComplete.cpp.

{
    TRACE("CACListView::OnMRButtonDown(%p)\n", this);
    return 0; // eat
}

OnNCHitTest()

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

protected

Definition at line 517 of file CAutoComplete.cpp.

{
    TRACE("CACListView::OnNCHitTest(%p)\n", this);
    ATLASSERT(m_pDropDown);
    POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) }; // in screen coordinates
    ScreenToClient(&pt); // into client coordinates
    HWND hwndTarget = m_pDropDown->ChildWindowFromPoint(pt);
    if (hwndTarget != m_hWnd)
        return HTTRANSPARENT; // pass through (for resizing the drop-down window)
    bHandled = FALSE; // do default
    return 0;
}

SelectHere()

VOID CACListView::SelectHere	(	INT	x,
		INT	y
	)

Definition at line 469 of file CAutoComplete.cpp.

{
    SetCurSel(ItemFromPoint(x, y));
}

SetCurSel()

VOID CACListView::SetCurSel

(

INT

iItem

)

Definition at line 460 of file CAutoComplete.cpp.

{
    if (iItem == -1)
        SetItemState(-1, 0, LVIS_SELECTED); // select none
    else
        SetItemState(iItem, LVIS_SELECTED, LVIS_SELECTED);
}

Referenced by CAutoComplete::OnListUpDown(), CAutoComplete::OnNotify(), SelectHere(), and CAutoComplete::SelectItem().

SetFont()

VOID CACListView::SetFont

(

HFONT

hFont

)

Definition at line 405 of file CAutoComplete.cpp.

{
    SendMessageW(WM_SETFONT, (WPARAM)hFont, TRUE); // set font
 
    // get listview item height
    m_cyItem = CY_ITEM;
    HDC hDC = GetDC();
    if (hDC)
    {
        HGDIOBJ hFontOld = ::SelectObject(hDC, hFont);
        TEXTMETRICW tm;
        if (::GetTextMetricsW(hDC, &tm))
        {
            m_cyItem = (tm.tmHeight * 3) / 2; // 3/2 of text height
        }
        ::SelectObject(hDC, hFontOld);
        ReleaseDC(hDC);
    }
}

Referenced by CAutoComplete::OnCreate().

Member Data Documentation

m_cyItem

INT CACListView::m_cyItem

Definition at line 39 of file CAutoComplete.h.

Referenced by GetVisibleCount(), CAutoComplete::OnMeasureItem(), CAutoComplete::RepositionDropDown(), and SetFont().

m_pDropDown

CAutoComplete* CACListView::m_pDropDown

Definition at line 38 of file CAutoComplete.h.

Referenced by GetItemText(), CAutoComplete::OnCreate(), OnLButtonDown(), OnMouseWheel(), CAutoComplete::OnNCDestroy(), and OnNCHitTest().

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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