我创建了一个SDI工程
加入了CColorListBox类
在CColorLBoxLxDoc中增加成员变量
CColorListBox *pListBox;增加如下代码到下面这个成员函数中
void CColorLBoxLxView::OnInitialUpdate()
{
CScrollView::OnInitialUpdate(); CSize sizeTotal;
// TODO: calculate the total size of this view
sizeTotal.cx = sizeTotal.cy = 100;
SetScrollSizes(MM_TEXT, sizeTotal); CString szTitle = "Info Window";
CWnd *pWnd=new CWnd;
DWORD dwExStyle=WS_EX_OVERLAPPEDWINDOW; DWORD dwStyle=WS_HSCROLL|WS_VSCROLL | LBS_OWNERDRAWFIXED|LBS_HASSTRINGS|LBS_NOTIFY; RECT rect;
rect.bottom = 150;
rect.right = 150;
rect.left = 0;
rect.top = 0;
pWnd->CreateEx( dwExStyle,
"LISTBOX",
szTitle,
dwStyle,
rect,
NULL,//AfxGetMainWnd(),//->m_hWnd,
NULL);
GetDocument()->pListBox = (CColorListBox*)pWnd;
((CListBox*)pWnd)->SetHorizontalExtent(200);
GetDocument()->pListBox->SetWindowText(szTitle);
((CListBox*)GetDocument()->pListBox)->AddString("RED");//,RGB(255,0,0));
GetDocument()->pListBox->ShowWindow(SW_SHOW);
}我是想在动态创建的这个LISTBOX窗口()中显示彩色文本,已经设置了LBS_OWNERDRAWFIXED风格,但是不能进行自绘制,显示不出来彩色文本,请问应该如何解决?
加入了CColorListBox类
在CColorLBoxLxDoc中增加成员变量
CColorListBox *pListBox;增加如下代码到下面这个成员函数中
void CColorLBoxLxView::OnInitialUpdate()
{
CScrollView::OnInitialUpdate(); CSize sizeTotal;
// TODO: calculate the total size of this view
sizeTotal.cx = sizeTotal.cy = 100;
SetScrollSizes(MM_TEXT, sizeTotal); CString szTitle = "Info Window";
CWnd *pWnd=new CWnd;
DWORD dwExStyle=WS_EX_OVERLAPPEDWINDOW; DWORD dwStyle=WS_HSCROLL|WS_VSCROLL | LBS_OWNERDRAWFIXED|LBS_HASSTRINGS|LBS_NOTIFY; RECT rect;
rect.bottom = 150;
rect.right = 150;
rect.left = 0;
rect.top = 0;
pWnd->CreateEx( dwExStyle,
"LISTBOX",
szTitle,
dwStyle,
rect,
NULL,//AfxGetMainWnd(),//->m_hWnd,
NULL);
GetDocument()->pListBox = (CColorListBox*)pWnd;
((CListBox*)pWnd)->SetHorizontalExtent(200);
GetDocument()->pListBox->SetWindowText(szTitle);
((CListBox*)GetDocument()->pListBox)->AddString("RED");//,RGB(255,0,0));
GetDocument()->pListBox->ShowWindow(SW_SHOW);
}我是想在动态创建的这个LISTBOX窗口()中显示彩色文本,已经设置了LBS_OWNERDRAWFIXED风格,但是不能进行自绘制,显示不出来彩色文本,请问应该如何解决?
#if !defined(AFX_COLORLISTBOX_H__5529A6B1_584A_11D2_A41A_006097BD277B__INCLUDED_)
#define AFX_COLORLISTBOX_H__5529A6B1_584A_11D2_A41A_006097BD277B__INCLUDED_#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000// ColorListBox.h : header file//-------------------------------------------------------------------
//
// CColorListBox class -
// A CListBox-derived class with optional colored items.
//
// Version: 1.0 01/10/1998 Copyright ?Patrice Godard
//
// Version: 2.0 09/17/1999 Copyright ?Paul M. Meidinger
//
//-------------------------------------------------------------------/////////////////////////////////////////////////////////////////////////////
// CColorListBox windowclass CColorListBox : public CListBox
{
// Construction
public:
CColorListBox();// Attributes
public:// Operations
public:
int AddString(LPCTSTR lpszItem); // Adds a string to the list box
int AddString(LPCTSTR lpszItem, COLORREF rgb); // Adds a colored string to the list box
int InsertString(int nIndex, LPCTSTR lpszItem); // Inserts a string to the list box
int InsertString(int nIndex, LPCTSTR lpszItem, COLORREF rgb); // Inserts a colored string to the list box
void SetItemColor(int nIndex, COLORREF rgb); // Sets the color of an item in the list box
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CColorListBox)
public:
virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
virtual void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
protected:
//}}AFX_VIRTUAL// Implementation
public:
virtual ~CColorListBox(); // Generated message map functions
protected:
//{{AFX_MSG(CColorListBox)
//}}AFX_MSG DECLARE_MESSAGE_MAP()
};///////////////////////////////////////////////////////////////////////////////{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.#endif // !defined(AFX_COLORLISTBOX_H__5529A6B1_584A_11D2_A41A_006097BD277B__INCLUDED_)
//
// CColorListBox class -
// A CListBox-derived class with optional colored items.
//
// Version: 1.0 01/10/1998 Copyright ?Patrice Godard
//
// Version: 2.0 09/17/1999 Copyright ?Paul M. Meidinger
//
//-------------------------------------------------------------------#include "stdafx.h"
#include "ColorListBox.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CColorListBox//-------------------------------------------------------------------
//
CColorListBox::CColorListBox()
//
// Return Value: None.
//
// Parameters : None.
//
// Res : Standard constructor.
//
{
} // CColorListBox//-------------------------------------------------------------------
//
CColorListBox::~CColorListBox()
//
// Return Value: None.
//
// Parameters : None.
//
// Res : Destructor.
//
{
} // ~CColorListBox()
BEGIN_MESSAGE_MAP(CColorListBox, CListBox)
//{{AFX_MSG_MAP(CColorListBox)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CColorListBox message handlers//-------------------------------------------------------------------
//
void CColorListBox::DrawItem(LPDRAWITEMSTRUCT lpDIS)
//
// Return Value: None.
//
// Parameters : lpDIS - A long pointer to a DRAWITEMSTRUCT structure
// that contains information about the type of drawing required.
//
// Res : Called by the framework when a visual aspect of
// an owner-draw list box changes.
//
{
if ((int)lpDIS->itemID < 0)
return; CDC* pDC = CDC::FromHandle(lpDIS->hDC); COLORREF crText;
CString sText;
COLORREF crNorm = (COLORREF)lpDIS->itemData; // Color information is in item data.
COLORREF crHilite = RGB(255-GetRValue(crNorm), 255-GetGValue(crNorm), 255-GetBValue(crNorm)); // If item has been selected, draw the highlight rectangle using the item's color.
if ((lpDIS->itemState & ODS_SELECTED) &&
(lpDIS->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)))
{
CBrush brush(crNorm);
pDC->FillRect(&lpDIS->rcItem, &brush);
} // If item has been deselected, draw the rectangle using the window color.
if (!(lpDIS->itemState & ODS_SELECTED) && (lpDIS->itemAction & ODA_SELECT))
{
CBrush brush(::GetSysColor(COLOR_WINDOW));
pDC->FillRect(&lpDIS->rcItem, &brush);
} // If item has focus, draw the focus rect.
if ((lpDIS->itemAction & ODA_FOCUS) && (lpDIS->itemState & ODS_FOCUS))
pDC->DrawFocusRect(&lpDIS->rcItem); // If item does not have focus, redraw (erase) the focus rect.
if ((lpDIS->itemAction & ODA_FOCUS) && !(lpDIS->itemState & ODS_FOCUS))
pDC->DrawFocusRect(&lpDIS->rcItem);
// Set the background mode to TRANSPARENT to draw the text.
int nBkMode = pDC->SetBkMode(TRANSPARENT); // If the item's color information is set, use the highlight color
// gray text color, or normal color for the text.
if (lpDIS->itemData)
{
if (lpDIS->itemState & ODS_SELECTED)
crText = pDC->SetTextColor(crHilite);
else if (lpDIS->itemState & ODS_DISABLED)
crText = pDC->SetTextColor(::GetSysColor(COLOR_GRAYTEXT));
else
crText = pDC->SetTextColor(crNorm);
}
// Else the item's color information is not set, so use the
// system colors for the text.
else
{
if (lpDIS->itemState & ODS_SELECTED)
crText = pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
else if (lpDIS->itemState & ODS_DISABLED)
crText = pDC->SetTextColor(::GetSysColor(COLOR_GRAYTEXT));
else
crText = pDC->SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
}
// Get and display item text.
GetText(lpDIS->itemID, sText);
CRect rect = lpDIS->rcItem; // Setup the text format.
UINT nFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER;
if (GetStyle() & LBS_USETABSTOPS)
nFormat |= DT_EXPANDTABS;
// Calculate the rectangle size before drawing the text.
pDC->DrawText(sText, -1, &rect, nFormat | DT_CALCRECT);
pDC->DrawText(sText, -1, &rect, nFormat); pDC->SetTextColor(crText);
pDC->SetBkMode(nBkMode);
} // DrawItem
//
void CColorListBox::MeasureItem(LPMEASUREITEMSTRUCT lpMIS)
//
// Return Value: None.
//
// Parameters : lpMIS - A long pointer to a
// MEASUREITEMSTRUCT structure.
//
// Res : Called by the framework when a list box with
// an owner-draw style is created.
//
{
// ### Is the default list box item height the same as
// the menu check height???
lpMIS->itemHeight = ::GetSystemMetrics(SM_CYMENUCHECK);
} // MeasureItem//-------------------------------------------------------------------
//
int CColorListBox::AddString(LPCTSTR lpszItem)
//
// Return Value: The zero-based index to the string in the list box.
// The return value is LB_ERR if an error occurs; the
// return value is LB_ERRSPACE if insufficient space
// is available to store the new string.
//
// Parameters : lpszItem - Points to the null-terminated
// string that is to be added.
//
// Res : Call this member function to add a string to a list
// box. Provided because CListBox::AddString is NOT
// a virtual function.
//
{
return ((CListBox*)this)->AddString(lpszItem);
} // AddString//-------------------------------------------------------------------
//
int CColorListBox::AddString(LPCTSTR lpszItem, COLORREF rgb)
//
// Return Value: The zero-based index to the string in the list box.
// The return value is LB_ERR if an error occurs; the
// return value is LB_ERRSPACE if insufficient space
// is available to store the new string.
//
// Parameters : lpszItem - Points to the null-terminated
// string that is to be added.
// rgb - Specifies the color to be associated with the item.
//
// Res : Call this member function to add a string to a list
// box with a custom color.
//
{
int nItem = AddString(lpszItem);
if (nItem >= 0)
SetItemData(nItem, rgb);
return nItem;
} // AddString//-------------------------------------------------------------------
//
int CColorListBox::InsertString(int nIndex, LPCTSTR lpszItem)
//
// Return Value: The zero-based index of the position at which the
// string was inserted. The return value is LB_ERR if
// an error occurs; the return value is LB_ERRSPACE if
// insufficient space is available to store the new string.
//
// Parameters : nIndex - Specifies the zero-based index of the position
// to insert the string. If this parameter is ?, the string
// is added to the end of the list.
// lpszItem - Points to the null-terminated string that
// is to be inserted.
//
// Res : Inserts a string into the list box. Provided because
// CListBox::InsertString is NOT a virtual function.
//
{
return ((CListBox*)this)->InsertString(nIndex, lpszItem);
} // InsertString//-------------------------------------------------------------------
//
int CColorListBox::InsertString(int nIndex, LPCTSTR lpszItem, COLORREF rgb)
//
// Return Value: The zero-based index of the position at which the
// string was inserted. The return value is LB_ERR if
// an error occurs; the return value is LB_ERRSPACE if
// insufficient space is available to store the new string.
//
// Parameters : nIndex - Specifies the zero-based index of the position
// to insert the string. If this parameter is ?, the string
// is added to the end of the list.
// lpszItem - Points to the null-terminated string that
// is to be inserted.
// rgb - Specifies the color to be associated with the item.
//
// Res : Inserts a colored string into the list box.
//
{
int nItem = ((CListBox*)this)->InsertString(nIndex,lpszItem);
if (nItem >= 0)
SetItemData(nItem, rgb);
return nItem;
} // InsertString//-------------------------------------------------------------------
//
void CColorListBox::SetItemColor(int nIndex, COLORREF rgb)
//
// Return Value: None.
//
// Parameters : nIndex - Specifies the zero-based index of the item.
// rgb - Specifies the color to be associated with the item.
//
// Res : Sets the 32-bit value associated with the specified
// item in the list box.
//
{
SetItemData(nIndex, rgb);
RedrawWindow();
} // SetItemColor
void CColorLBoxLxView::OnInitialUpdate()
{
CScrollView::OnInitialUpdate(); CSize sizeTotal;
// TODO: calculate the total size of this view
sizeTotal.cx = sizeTotal.cy = 100;
SetScrollSizes(MM_TEXT, sizeTotal); CString szTitle = "Info Window";
DWORD dwExStyle=WS_EX_OVERLAPPEDWINDOW; DWORD dwStyle=WS_CHILD | WS_HSCROLL|WS_VSCROLL | LBS_OWNERDRAWFIXED|LBS_HASSTRINGS|LBS_NOTIFY; RECT rect;
rect.bottom = 150;
rect.right = 150;
rect.left = 0;
rect.top = 0;
GetDocument()->pListBox = new CColorListBox();
GetDocument()->pListBox ->CreateEx( dwExStyle,
"LISTBOX",
szTitle,
dwStyle,
rect,
NULL,//AfxGetMainWnd(),//->m_hWnd,
NULL);
GetDocument()->pListBox ->SetHorizontalExtent(200);
GetDocument()->pListBox->SetWindowText(szTitle);
GetDocument()->pListBox ->AddString("RED",RGB(255,0,0));
GetDocument()->pListBox ->AddString("GREEN",RGB(0,255,0));
GetDocument()->pListBox->ShowWindow(SW_SHOW);
}
"LISTBOX",
szTitle,
dwStyle,
rect,
this,//AfxGetMainWnd(),//->m_hWnd,
NULL);
不成为子窗口,就是不想成为象在对话框中的那样的子控件窗口而是创建一个"LISTBOX"类的窗口,overlapped风格的窗口