Source code of Windows XP (NT5)
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/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
FTMan
File Name:
MainFrm.cpp
Abstract:
Implementation of the CMainFrame class. It is the MFC main frame class for this application
Author:
Cristian Teodorescu October 20, 1998
Notes:
Revision History:
--*/
#include "stdafx.h"
#include "Item.h"
#include "FTListVw.h"
#include "FTTreeVw.h"
#include "MainFrm.h"
#include "Resource.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
// Range limits for OnViewStyle and OnUpdateViewStyle
#define AFX_ID_VIEW_MINIMUM ID_VIEW_SMALLICON
#define AFX_ID_VIEW_MAXIMUM ID_VIEW_BYNAME
/////////////////////////////////////////////////////////////////////////////
// CMainFrame
IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)
BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
//{{AFX_MSG_MAP(CMainFrame)
ON_WM_CREATE()
ON_COMMAND(ID_VIEW_TOGGLE, OnViewToggle)
ON_COMMAND(ID_VIEW_REFRESH, OnViewRefresh)
ON_WM_ACTIVATEAPP()
ON_WM_DESTROY()
ON_WM_TIMER()
//}}AFX_MSG_MAP
ON_UPDATE_COMMAND_UI_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnUpdateViewStyles)
ON_COMMAND_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnViewStyle)
END_MESSAGE_MAP()
static UINT indicators[] =
{
ID_INDICATOR_NAME, // Name of the tree selected item
ID_INDICATOR_TYPE, // Type of the tree selected item
ID_INDICATOR_DISKS, // Disks set of the tree selected item
ID_INDICATOR_SIZE, // Size of the tree selected item
ID_INDICATOR_NOTHING, // Just an empty indicator to let some space between the first 4 indicators and the last one
ID_SEPARATOR, // status line indicator
};
/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction
CMainFrame::CMainFrame() : m_bEnableAutoRefresh(FALSE), m_bAutoRefreshRequested(FALSE), m_unTimer(0)
{
// TODO: add member initialization code here
}
CMainFrame::~CMainFrame()
{
}
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
return -1;
/*
if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
*/
if (!m_wndToolBar.Create(this, WS_CHILD | WS_VISIBLE | CBRS_TOP
| CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
{
TRACE0(_T("Failed to create toolbar\n"));
return -1; // fail to create
}
m_wndToolBar.GetToolBarCtrl().ModifyStyle( 0, TBSTYLE_FLAT );
if (!m_wndStatusBar.Create(this) ||
!m_wndStatusBar.SetIndicators(indicators,
sizeof(indicators)/sizeof(UINT)))
{
TRACE0(_T("Failed to create status bar\n"));
return -1; // fail to create
}
// Try to compute the optimal size for the status bar indicators ( depending on the application font )
int nAveCharWidth = 0;
CDC* pDC = m_wndStatusBar.GetDC();
if( pDC )
{
TEXTMETRIC textmetrics;
if( pDC->GetTextMetrics(&textmetrics) )
nAveCharWidth = textmetrics.tmAveCharWidth;
m_wndStatusBar.ReleaseDC( pDC );
}
m_wndStatusBar.SetPaneInfo( 0, m_wndStatusBar.GetItemID(0), 0, nAveCharWidth ? (16 * nAveCharWidth) : 130 );
m_wndStatusBar.SetPaneInfo( 1, m_wndStatusBar.GetItemID(1), 0, nAveCharWidth ? (22 * nAveCharWidth) : 150 );
m_wndStatusBar.SetPaneInfo( 2, m_wndStatusBar.GetItemID(2), 0, nAveCharWidth ? (8 * nAveCharWidth) : 50 );
m_wndStatusBar.SetPaneInfo( 3, m_wndStatusBar.GetItemID(3), 0, nAveCharWidth ? (8 * nAveCharWidth) : 60 );
m_wndStatusBar.SetPaneInfo( 4, m_wndStatusBar.GetItemID(4), SBPS_NOBORDERS, nAveCharWidth ? (2 * nAveCharWidth) : 15 );
m_wndStatusBar.SetPaneStyle( 5, SBPS_NOBORDERS | SBPS_STRETCH );
// TODO: Delete these three lines if you don't want the toolbar to
// be dockable
m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
DockControlBar(&m_wndToolBar);
return 0;
}
BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT /*lpcs*/,
CCreateContext* pContext)
{
// create splitter window
if (!m_wndSplitter.CreateStatic(this, 1, 2))
return FALSE;
if (!m_wndSplitter.CreateView(0, 0, RUNTIME_CLASS(CFTTreeView), CSize(200, 100), pContext) ||
!m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(CFTListView), CSize(100, 100), pContext))
{
m_wndSplitter.DestroyWindow();
return FALSE;
}
// Create timer
m_unTimer = SetTimer( ID_TIMER_EVENT, TIMER_ELAPSE, NULL );
if( !m_unTimer )
TRACE( _T("Failure installing timer\n") );
return TRUE;
}
BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
if( !CFrameWnd::PreCreateWindow(cs) )
return FALSE;
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return TRUE;
}
/*
Public method: RefreshAll
Purpose: Refreshes the content of both views by keeping ( when possible ) the expanded and
selected items.
It is also possible to change the selected items and to add some expanded items
Parameters: [IN] CItemIDSet *psetAddTreeExpandedItems
Items to add to the currently expanded items set
[IN] CItemIDSet *psetTreeSelectedItems
Items to select in the tree ( the currently selected items are neglected )
[IN] CItemIDSet *psetListSelectedItems
Items to select in the list ( the currently selected items are neglected )
Return value: TRUE if the refresh operation succeeded
*/
BOOL CMainFrame::RefreshAll(
CItemIDSet* psetAddTreeExpandedItems /* =NULL */ ,
CItemIDSet* psetTreeSelectedItems /* =NULL */,
CItemIDSet* psetListSelectedItems /* =NULL */ )
{
CWaitCursor wc;
TREE_SNAPSHOT snapshotTree;
LIST_SNAPSHOT snapshotList;
BOOL bResult;
CAutoRefresh ar(FALSE);
DisplayStatusBarMessage( IDS_STATUS_REFRESH );
CFTTreeView* pTreeView = GetLeftPane();
CFTListView* pListView = GetRightPane();
// Get the snapshots of the tree and list views and do some changes ( if needed )
pTreeView->GetSnapshot(snapshotTree);
if( psetAddTreeExpandedItems )
snapshotTree.setExpandedItems += *psetAddTreeExpandedItems;
if( psetTreeSelectedItems )
snapshotTree.setSelectedItems = *psetTreeSelectedItems;
pListView->GetSnapshot( snapshotList );
if( psetListSelectedItems )
snapshotList.setSelectedItems = *psetListSelectedItems;
// Refresh the tree view
bResult = pTreeView->Refresh(snapshotTree);
// Set the snapshot pf the list view
pListView->SetSnapshot( snapshotList );
// All previous requests for auto refresh should be neglected now
m_bAutoRefreshRequested = FALSE;
DisplayStatusBarMessage( AFX_IDS_IDLEMESSAGE );
return bResult;
}
/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics
#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
CFrameWnd::AssertValid();
}
void CMainFrame::Dump(CDumpContext& dc) const
{
CFrameWnd::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers
CFTTreeView* CMainFrame::GetLeftPane()
{
CWnd* pWnd = m_wndSplitter.GetPane(0, 0);
CFTTreeView* pView = DYNAMIC_DOWNCAST(CFTTreeView, pWnd);
return pView;
}
CFTListView* CMainFrame::GetRightPane()
{
CWnd* pWnd = m_wndSplitter.GetPane(0, 1);
CFTListView* pView = DYNAMIC_DOWNCAST(CFTListView, pWnd);
return pView;
}
void CMainFrame::OnUpdateViewStyles(CCmdUI* pCmdUI)
{
// TODO: customize or extend this code to handle choices on the
// View menu.
CFTListView* pView = GetRightPane();
// if the right-hand pane hasn't been created or isn't a view,
// disable commands in our range
if (pView == NULL)
pCmdUI->Enable(FALSE);
else
{
DWORD dwStyle = pView->GetStyle() & LVS_TYPEMASK;
// if the command is ID_VIEW_LINEUP, only enable command
// when we're in LVS_ICON or LVS_SMALLICON mode
if (pCmdUI->m_nID == ID_VIEW_LINEUP)
{
if (dwStyle == LVS_ICON || dwStyle == LVS_SMALLICON)
pCmdUI->Enable();
else
pCmdUI->Enable(FALSE);
}
else
{
// otherwise, use dots to reflect the style of the view
pCmdUI->Enable();
BOOL bChecked = FALSE;
switch (pCmdUI->m_nID)
{
case ID_VIEW_DETAILS:
bChecked = (dwStyle == LVS_REPORT);
break;
case ID_VIEW_SMALLICON:
bChecked = (dwStyle == LVS_SMALLICON);
break;
case ID_VIEW_LARGEICON:
bChecked = (dwStyle == LVS_ICON);
break;
case ID_VIEW_LIST:
bChecked = (dwStyle == LVS_LIST);
break;
default:
bChecked = FALSE;
break;
}
pCmdUI->SetRadio(bChecked ? 1 : 0);
}
}
}
void CMainFrame::OnViewStyle(UINT nCommandID)
{
// TODO: customize or extend this code to handle choices on the
// View menu.
CFTListView* pView = GetRightPane();
// if the right-hand pane has been created and is a CFTListView,
// process the menu commands...
if (pView != NULL)
{
DWORD dwStyle = -1;
BOOL bExtendedNames = TRUE;
switch (nCommandID)
{
case ID_VIEW_LINEUP:
{
// ask the list control to snap to grid
CListCtrl& refListCtrl = pView->GetListCtrl();
refListCtrl.Arrange(LVA_SNAPTOGRID);
}
break;
// other commands change the style on the list control
case ID_VIEW_DETAILS:
dwStyle = LVS_REPORT;
bExtendedNames = FALSE;
break;
case ID_VIEW_SMALLICON:
dwStyle = LVS_SMALLICON;
break;
case ID_VIEW_LARGEICON:
dwStyle = LVS_ICON;
break;
case ID_VIEW_LIST:
dwStyle = LVS_LIST;
break;
}
// change the style; window will repaint automatically
if (dwStyle != -1)
{
pView->ModifyStyle(LVS_TYPEMASK, dwStyle);
pView->DisplayItemsExtendedNames( bExtendedNames );
}
}
}
void CMainFrame::OnViewToggle()
{
// TODO: Add your command handler code here
int nRow,nCol;
if( !m_wndSplitter.GetActivePane(&nRow,&nCol) )
return;
ASSERT( nRow == 0 );
ASSERT( nCol <= 1 );
m_wndSplitter.SetActivePane(0,1-nCol, NULL);
}
void CMainFrame::OnViewRefresh()
{
RefreshAll( NULL, NULL, NULL );
}
void CMainFrame::OnActivateApp(BOOL bActive, HTASK hTask)
{
CFrameWnd::OnActivateApp(bActive, hTask);
// TODO: Add your message handler code here
if( bActive )
{
if( m_bEnableAutoRefresh )
{
TRACE( _T("OnActivateApp AutoRefresh\n") );
RefreshAll();
}
else
m_bAutoRefreshRequested = TRUE;
}
}
void CMainFrame::OnDestroy()
{
if( m_unTimer )
KillTimer( m_unTimer );
CFrameWnd::OnDestroy();
// TODO: Add your message handler code here
}
void CMainFrame::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
if( ( nIDEvent == ID_TIMER_EVENT ) && m_bEnableAutoRefresh && ( GetActiveWindow() == this ) )
{
//TRACE("OnTimer\n");
CFTTreeView* pTreeView = GetLeftPane();
pTreeView->RefreshOnTimer();
}
CFrameWnd::OnTimer(nIDEvent);
}
/////////////////////////////////////////////////////////////////////////////////////////////
// Global functions related to the main frame
/*
Global function: RefreshAll
Purpose: Refreshes the content of both views of the mainframe by keeping ( when possible )
the expanded and selected items.
It is also possible to change the selected items and to add some expanded items
Parameters: [IN] CItemIDSet *psetAddTreeExpandedItems
Items to add to the currently expanded items set
[IN] CItemIDSet *psetTreeSelectedItems
Items to select in the tree ( the currently selected items are neglected )
[IN] CItemIDSet *psetListSelectedItems
Items to select in the list ( the currently selected items are neglected )
Return value: TRUE if the refresh operation succeeded
*/
BOOL AfxRefreshAll(
CItemIDSet* psetAddTreeExpandedItems /* =NULL */ ,
CItemIDSet* psetTreeSelectedItems /* =NULL */,
CItemIDSet* psetListSelectedItems /* =NULL */ )
{
CMainFrame* pFrame = (CMainFrame*)AfxGetMainWnd();
ASSERT(pFrame->IsKindOf(RUNTIME_CLASS(CMainFrame)));
return pFrame->RefreshAll( psetAddTreeExpandedItems, psetTreeSelectedItems, psetListSelectedItems );
}
/*
Global function: AfxEnableAutoRefresh()
Purpose: Enables / Disables the auto refresh of both views of the mainframe on WM_ACTIVATEAPP
Parameters: [IN] BOOL bEnable
Specifies whether the auto-refresh is to be enabled or disabled
Return value: The previous status of the auto-refresh flag
*/
BOOL AfxEnableAutoRefresh( BOOL bEnable /* =TRUE */ )
{
CMainFrame* pFrame = (CMainFrame*)AfxGetMainWnd();
ASSERT(pFrame->IsKindOf(RUNTIME_CLASS(CMainFrame)));
BOOL bPrevious = pFrame->m_bEnableAutoRefresh;
// If the flag is enabling and an auto-refresh request came while it was disabled then proceed with auto-refresh
if( bEnable && !bPrevious && pFrame->m_bAutoRefreshRequested)
{
TRACE( _T("Late OnActivateApp AutoRefresh\n") );
AfxRefreshAll();
}
else if ( !bEnable && bPrevious )
pFrame->m_bAutoRefreshRequested = FALSE;
pFrame->m_bEnableAutoRefresh = bEnable;
return bPrevious;
}
BOOL CMainFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo)
{
// TODO: Add your specialized code here and/or call the base class
switch( nID )
{
case ID_VIEW_UP:
case ID_INDICATOR_NAME:
case ID_INDICATOR_TYPE:
case ID_INDICATOR_DISKS:
case ID_INDICATOR_SIZE:
case ID_INDICATOR_NOTHING:
CFTTreeView* pTreeView = GetLeftPane();
return pTreeView->OnCmdMsg( nID, nCode, pExtra, pHandlerInfo );
}
return CFrameWnd::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
}