folderlistpopupwnd.cpp

来自「RFID读卡器源码,vc.net编写,bcgp界面控件」· C++ 代码 · 共 233 行

// FolderListPopupWnd.cpp : implementation file
//

#include "stdafx.h"
#include "RFID_DesktopReader.h"
#include "FolderListPopupWnd.h"
#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

const UINT idFoldersTree = 1;
const UINT idPinBtn = 2;
const int nHorzMargin = 2;

/////////////////////////////////////////////////////////////////////////////
// CFolderListPopupWnd

CString	CFolderListPopupWnd::m_strClassName;

CFolderListPopupWnd::CFolderListPopupWnd(
	const CObList& lstWorkspaces, CImageList& images, CWorkspaceObj* pSelWorkSpace) :
	m_wndFolders (lstWorkspaces, images),
	m_pSelWorkSpace (pSelWorkSpace),
	m_bNotify (FALSE)
{
}
//*************************************************************************************
CFolderListPopupWnd::~CFolderListPopupWnd()
{
}

BEGIN_MESSAGE_MAP(CFolderListPopupWnd, CWnd)
	//{{AFX_MSG_MAP(CFolderListPopupWnd)
	ON_WM_SIZE()
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_CREATE()
	ON_WM_CANCELMODE()
	ON_WM_NCDESTROY()
	ON_WM_ACTIVATE()
	//}}AFX_MSG_MAP
	ON_WM_ACTIVATEAPP()
	ON_NOTIFY(TVN_SELCHANGED, idFoldersTree, OnSelectTree)
	ON_COMMAND(idPinBtn, OnKeepVisible)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFolderListPopupWnd message handlers

BOOL CFolderListPopupWnd::Create (const RECT& rect) 
{
	if (m_strClassName.IsEmpty ())
	{
		m_strClassName = ::AfxRegisterWndClass (
			CS_SAVEBITS,
			::LoadCursor(NULL, IDC_ARROW),
			(HBRUSH)(COLOR_BTNFACE + 1), NULL);
	}

	return CWnd::CreateEx (WS_EX_TOPMOST | WS_EX_DLGMODALFRAME,
				m_strClassName, _T(""), 
				WS_POPUP | WS_VISIBLE | WS_BORDER,
				rect, AfxGetMainWnd (), NULL);
}
//*************************************************************************************
void CFolderListPopupWnd::OnSize(UINT nType, int cx, int cy) 
{
	CWnd::OnSize(nType, cx, cy);

	CRect rectBtn;
	m_btnPin.GetClientRect (rectBtn);

	m_rectCaption = CRect (0, 0, cx, rectBtn.Height ());
	
	m_btnPin.SetWindowPos (NULL, 
		cx - rectBtn.Width () - nHorzMargin, 
		(m_rectCaption.Height () - rectBtn.Height ()) / 2,
		-1, -1, SWP_NOSIZE | SWP_NOZORDER);
	m_wndFolders.MoveWindow (0, m_rectCaption.bottom, cx, cy - m_rectCaption.Height ());
}
//*************************************************************************************
void CFolderListPopupWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	dc.FillSolidRect (m_rectCaption, GetSysColor (COLOR_3DFACE));

	int nOldBkMode = dc.SetBkMode (TRANSPARENT);
	COLORREF clrOldText = dc.SetTextColor (GetSysColor (COLOR_BTNTEXT));
	CFont* pOldFont = (CFont*) dc.SelectStockObject (DEFAULT_GUI_FONT);

	CRect rectText = m_rectCaption;
	rectText.left += 2 * nHorzMargin;
	rectText.right -= 2 * nHorzMargin + rectText.Height ();

	dc.DrawText (m_strCaption, rectText, 
				DT_END_ELLIPSIS | DT_SINGLELINE | DT_VCENTER);

	dc.SelectObject (pOldFont);
	dc.SetTextColor (clrOldText);
	dc.SetBkMode (nOldBkMode);
}
//*************************************************************************************
BOOL CFolderListPopupWnd::OnEraseBkgnd(CDC* /*pDC*/) 
{
	return TRUE;
}
//*************************************************************************************
BOOL CFolderListPopupWnd::PreTranslateMessage(MSG* pMsg) 
{
	switch (pMsg->message)
	{
	case WM_KEYDOWN:
		if (pMsg->wParam == VK_ESCAPE)
		{
			CloseMe ();
			return TRUE;
		}
		break;
	}
	
	return CWnd::PreTranslateMessage(pMsg);
}
//*************************************************************************************
int CFolderListPopupWnd::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;

	CRect rect;
	rect.SetRectEmpty ();

	// Create folders tree:
	m_wndFolders.Create (/*WS_BORDER*/0, rect, this, idFoldersTree);
	m_wndFolders.ModifyStyleEx (0, WS_EX_CLIENTEDGE);

	m_wndFolders.SelectWorkspace (m_pSelWorkSpace);

	m_wndFolders.SetFocus ();

	// Create "Pin" button:
	m_btnPin.Create (_T(""), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 
					rect, this, idPinBtn);
	m_btnPin.m_bDrawFocus = FALSE;
	m_btnPin.m_nFlatStyle = CBCGPButton::BUTTONSTYLE_FLAT;
	m_btnPin.SetImage (IDB_PIN);
	m_btnPin.SizeToContent ();

	m_strCaption.LoadString (IDS_FOLDER_POPUP_CAPTION);

	m_bNotify = TRUE;

	return 0;
}
//*************************************************************************************
void CFolderListPopupWnd::OnCancelMode() 
{
	CWnd::OnCancelMode();
	CloseMe ();
}
//*************************************************************************************
void CFolderListPopupWnd::OnNcDestroy() 
{
	CWnd::OnNcDestroy();
	delete this;
}
//*************************************************************************************
#if _MSC_VER >= 1300
void CFolderListPopupWnd::OnActivateApp(BOOL bActive, DWORD dwThreadID)
{
	CWnd::OnActivateApp(bActive, dwThreadID);
#else
void CFolderListPopupWnd::OnActivateApp(BOOL bActive, HTASK hTask) 
{
	CWnd::OnActivateApp(bActive, hTask);
#endif
	if (!bActive)
	{
		CloseMe ();
	}
}
//*************************************************************************************
void CFolderListPopupWnd::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized) 
{
	CWnd::OnActivate(nState, pWndOther, bMinimized);
	
	if (nState == WA_INACTIVE)
	{
		CloseMe ();
	}
}
//************************************************************************************
void CFolderListPopupWnd::OnSelectTree(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;

	HTREEITEM hTreeItem = m_wndFolders.GetSelectedItem ();
	if (m_bNotify && hTreeItem != NULL)
	{
		CWorkspaceObj* pWS = (CWorkspaceObj*) m_wndFolders.GetItemData (hTreeItem);

		CMainFrame* pMainFrame = DYNAMIC_DOWNCAST (CMainFrame, GetParentFrame ());
		if (pMainFrame != NULL)
		{
			pMainFrame->SetWorkSpace (pWS);
		}

		CloseMe ();
	}
	
	*pResult = 0;
}
//*************************************************************************************
void CFolderListPopupWnd::CloseMe (BOOL bKeep)
{
	CMainFrame* pMainFrame = DYNAMIC_DOWNCAST (CMainFrame, GetParentFrame ());
	if (pMainFrame != NULL)
	{
		pMainFrame->OnCloseFoldersPopup (bKeep);
	}

	PostMessage (WM_CLOSE);
}
//*************************************************************************************
void CFolderListPopupWnd::OnKeepVisible()
{
	CloseMe (TRUE);
}