controlview.cpp

eCos1.31版

//####COPYRIGHTBEGIN####
//                                                                          
// ----------------------------------------------------------------------------
// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
//
// This program is part of the eCos host tools.
//
// This program is free software; you can redistribute it and/or modify it 
// under the terms of the GNU General Public License as published by the Free 
// Software Foundation; either version 2 of the License, or (at your option) 
// any later version.
// 
// This program is distributed in the hope that it will be useful, but WITHOUT 
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
// more details.
// 
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// ----------------------------------------------------------------------------
//                                                                          
//####COPYRIGHTEND####
// ControlView.cpp : implementation file
//
//
//===========================================================================
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): 	sdf
// Contact(s):	sdf
// Date:		1998/08/11
// Version:		0.01
// Purpose:	
// Description:	This is the implementation of the tree (control) view
// Requires:	
// Provides:	
// See also:    
// Known bugs:	
// Usage:	
//
//####DESCRIPTIONEND####
//
//===========================================================================

#include "stdafx.h"
#ifndef PLUGIN
#include "BCMenu.h"
#endif
#include "ControlView.h"
#include "ConfigTool.h"
#include "ConfigItem.h"
#include "ConfigToolDoc.h"
#include <stdlib.h>
#include "CTUtils.h"
#include "CellView.h"
#include "MessageBox.h"
#include "FindDialog.h"
#include "CTPropertiesDialog.h"
#include "ConfigViewOptionsDialog.h"
#ifdef PLUGIN
  //#include "ide.common.h"
  #define INCLUDEFILE "ide.guicommon.h"  // for ID_EDIT_FINDAGAIN
  #include "IncludeSTL.h"
  #include "CTMain.h"
#else
  #include "MainFrm.h"
#endif

#include <afxpriv.h> // for WM_COMMANDHELP, WM_HITTEST
#include <htmlhelp.h>

#include "DescView.h" // for testing
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CControlView

IMPLEMENT_DYNCREATE(CControlView, CTreeView)

CControlView::CControlView()
{
  m_bHasVScroll=-1;
  m_nWorkspace=0;
  m_dwDefaultStyle&=(~WS_VSCROLL);
  m_hContext=NULL;
  m_hExpandedForFind=NULL;
  m_GrayPen.CreatePen(PS_SOLID,1,RGB(192,192,192));	
  CConfigTool::SetControlView(this);
}

CControlView::~CControlView()
{
  CConfigTool::SetControlView(0);
}

static UINT WM_FINDREPLACE = ::RegisterWindowMessage(FINDMSGSTRING);

BEGIN_MESSAGE_MAP(CControlView, CTreeView)
//{{AFX_MSG_MAP(CControlView)
ON_WM_PAINT()
ON_NOTIFY_REFLECT(TVN_ITEMEXPANDED, OnItemexpanded)
ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelchanged)
ON_WM_LBUTTONDOWN()
ON_WM_VSCROLL()
ON_WM_SIZE()
ON_COMMAND(ID_RESTORE_DEFAULTS, OnRestoreDefaults)
ON_COMMAND(ID_POPUP_PROPERTIES, OnPopupProperties)
ON_COMMAND(ID_UNLOAD_PACKAGE, OnUnload)
ON_WM_KEYDOWN()
ON_COMMAND(ID_VIEW_URL, OnViewUrl)
ON_WM_CREATE()
ON_WM_HSCROLL()
ON_WM_MOUSEMOVE()
ON_NOTIFY_REFLECT(TVN_ITEMEXPANDING, OnItemexpanding)
ON_WM_MOUSEWHEEL()
ON_WM_RBUTTONDOWN()
ON_WM_SYSKEYDOWN()
ON_WM_SYSCHAR()
ON_COMMAND(ID_VIEW_HEADER, OnViewHeader)
ON_REGISTERED_MESSAGE( WM_FINDREPLACE, OnFind)
ON_COMMAND(ID_EDIT_FIND,OnEditFind)
ON_COMMAND(ID_EDIT_FINDAGAIN,OnEditFindAgain)
ON_UPDATE_COMMAND_UI(ID_EDIT_FINDAGAIN, OnUpdateEditFindAgain)
ON_UPDATE_COMMAND_UI(ID_EDIT_FIND, OnUpdateEditFind)
ON_WM_CHAR()
	ON_NOTIFY_REFLECT(TVN_DELETEITEM, OnDeleteitem)
	ON_COMMAND(ID_CV_WHATS_THIS, OnWhatsThis)
ON_MESSAGE(WM_SETFONT,OnSetFont)
	ON_WM_HELPINFO()
	ON_WM_MENUCHAR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CControlView drawing

void CControlView::OnDraw(CDC* pDC)
{
  UNUSED_ALWAYS(pDC);
}

/////////////////////////////////////////////////////////////////////////////
// CControlView diagnostics

#ifdef _DEBUG
void CControlView::AssertValid() const
{
  CTreeView::AssertValid();
}

void CControlView::Dump(CDumpContext& dc) const
{
  CTreeView::Dump(dc);
}
#endif //_DEBUG


/////////////////////////////////////////////////////////////////////////////
// CControlView message handlers

void CControlView::OnPaint() 
{
  CPaintDC dc(this); // device context for painting
  
  // First let the control do its default drawing.
  CWnd::DefWindowProc( WM_PAINT, (WPARAM)dc.m_hDC, 0 );
  
  CConfigToolDoc* pDoc = CConfigTool::GetConfigToolDoc();
  if(pDoc->ItemCount()>0)
  {
    // Redraw the disabled labels
    CFont *pOldFont=dc.SelectObject(GetFont());
    dc.SetTextColor(GetSysColor(COLOR_GRAYTEXT));
    
    for(HTREEITEM h=GetFirstVisibleItem();h;h=GetNextVisibleItem(h))
    {
      const UINT selflag = TVIS_DROPHILITED | TVIS_SELECTED;		
      if(!IsActive(h)&&!(GetItemState( h, selflag ) & selflag )){
        // Do not meddle with selected items or drop highlighted items
        CRect rect;		
        GetItemRect( h, &rect, TRUE );
        dc.TextOut(m_TreeXOffsetAdjustment+rect.left+2, rect.top+1, GetItemText(h));			
      }
    }
    dc.SelectObject(pOldFont);
    
    // Now draw grid lines
    
    CRect rcClient;
    GetClientRect(rcClient);
    CPen *pOldPen=dc.SelectObject(&m_GrayPen);
    int cy=0;
    for(h=GetFirstVisibleItem();h;h=GetNextVisibleItem(h))
    {
      dc.MoveTo(rcClient.left,cy);
      dc.LineTo(rcClient.right,cy);
      cy+=m_nItemHeight;
    }
    dc.MoveTo(rcClient.left,cy);
    dc.LineTo(rcClient.right,cy);
    dc.SelectObject(pOldPen);
    
  }
}

void CControlView::OnItemexpanded(NMHDR* pNMHDR, LRESULT* pResult) 
{
  //NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
  SetScrollRangePos();
  //SetHScrollRangePos();
  if(CConfigTool::GetCellView()){
    CConfigTool::GetCellView()->Invalidate();
//sdf1    CConfigTool::GetCellView()->UpdateWindow();
  } 
  
  *pResult = 0;
  UNUSED_ALWAYS(pNMHDR);
}

void CControlView::OnItemexpanding(NMHDR* pNMHDR, LRESULT* pResult) 
{
  //NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
  
  *pResult = 0;
  UNUSED_ALWAYS(pNMHDR);
}

void CControlView::OnSelchanged(NMHDR* pNMHDR, LRESULT* pResult) 
{
  CConfigToolDoc* pDoc = CConfigTool::GetConfigToolDoc();
  if(pDoc->ItemCount()>0){
    // Do nothing if in process of destroying configitems
    NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
    pDoc->UpdateAllViews (this, CConfigToolDoc::SelChanged, (CObject *)&TI(pNMTreeView->itemNew.hItem));
    CConfigItem &ti=TI(pNMTreeView->itemNew.hItem);
    
    CString strDesc(ti.Desc());
    if(strDesc.IsEmpty()){
      strDesc=_T("No context help is available for this item");
    }
    //pMain->m_wndHelp.SetWindowText(strDesc);
    //pMain->m_wndHelp.SetTitle(ti.ItemNameOrMacro());
    SetScrollPos();
    if(CConfigTool::GetCellView()){
      CConfigTool::GetCellView()->Sync();
    }
  }
  *pResult = 0;
}




void CControlView::OnLButtonDown(UINT nFlags, CPoint point) 
{
  CConfigTool::GetCellView()->CancelCellEdit();
  {
    UINT nFlags;
    HTREEITEM h=HitTest(point,&nFlags);
    if(h && IsActive(h) && (nFlags&TVHT_ONITEMICON))
    {
      SelectItem(h);
      BumpItem (h, TI (h).HasBool () ? 0 : 1); // toggle boolean or increment data
    }
    else
    {
      CTreeView::OnLButtonDown(nFlags,point);
    }
  }
  
  // Relay to the splitter
  ClientToScreen(&point);
  GetParent()->ScreenToClient(&point);
  GetParent()->SendMessage(WM_LBUTTONDOWN,(WPARAM)nFlags,MAKELPARAM(point.x,point.y));	
}


void CControlView::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{ 
  // Round to nearest item and express in units of items for the benefit of CTreeView
  nPos=(nPos+m_nItemHeight/2)/m_nItemHeight;
  DefWindowProc(WM_VSCROLL,MAKELONG(nSBCode, nPos), (LPARAM)pScrollBar->m_hWnd);
  SetScrollPos();
}

/////////////////////////////////////////////////////////////////////////////
// CControlView message handlers

void CControlView::OnInitialUpdate() 
{
  CTreeView::OnInitialUpdate();
#ifdef IE4
  SetItemHeight(20);
#endif
  /*
  #ifndef PLUGIN
  // Do this here, because the framework resets the title after calling OnOpenDocument()
  CConfigToolDoc* pDoc = CConfigTool::GetConfigToolDoc();
  CString strTitle(pDoc->BuildTree());
  if(strTitle.IsEmpty())
  {
		strTitle+=_T("Repository ");
    strTitle+=pDoc->Repository();
    }
    pDoc->SetTitle(strTitle);
    #endif
  */
}

void CControlView::OnSize(UINT nType, int cx, int cy) 
{
  //m_nInOnSize++;
  CScrollBar *cv=GetScrollBarCtrl(SB_VERT);
  //int dx=cx-m_Size.cx;
  //int dy=cy-m_Size.cy;
  /*
  TRACE("WM_SIZE[%d] dx=%d dy=%d depth=%d ch=%08x cv=%08x",
		0,
    dx,dy,
    m_nInOnSize,
    ch,cv);
		*/
  int bIsHScrollBarDelta=(cv==NULL);
  //int bIsVScrollBarDelta=(ch==NULL);
  if(bIsHScrollBarDelta/*dx==-16*/){
    cx=m_Size.cx;
  }
  //	if(bIsVScrollBarDelta/*dy==-16*/){
  //		cy=m_Size.cy;
  //	}
  if(cx!=m_Size.cx || cy!=m_Size.cy){
    m_Size=CSize(cx,cy);
    DefWindowProc(WM_SIZE,(WPARAM)nType,MAKELPARAM(cx,cy));
  }
  KillScrollBars();
  SetScrollRangePos();
  //SetHScrollRangePos();
  //m_nInOnSize--;
}

BOOL CControlView::PreCreateWindow(CREATESTRUCT& cs) 
{
  cs.style=TVS_HASBUTTONS | TVS_LINESATROOT | TVS_SHOWSELALWAYS |
    WS_CHILD | WS_VISIBLE /*| WS_BORDER*/ | WS_TABSTOP;
  cs.style&=(~WS_VSCROLL);
  m_dwDefaultStyle&=(~WS_VSCROLL);
  return CTreeView::PreCreateWindow(cs);
}

void CControlView::OnRButtonDown(UINT nFlags, CPoint point) 
{
  UNUSED_ALWAYS(nFlags);
  UINT Flags;
  HTREEITEM h=HitTest(point,&Flags);
  if(h){
    SelectItem(h);
  }
  // point is in client coords
  ClientToScreen(&point);
  ShowPopupMenu(h,point);
}

// Button functionality

void CControlView::Refresh (HTREEITEM h) // was Enable()
{
  if(h){
    AdjustItemImage(h);
    // Invalidate the labels of the affected items
    CRect rect;		
    GetItemRect(h, rect, TRUE );
    rect.left+=m_TreeXOffsetAdjustment;
    InvalidateRect(rect);
    // Do the same for the cell view
    CRect rcBuddyClient;
    CConfigTool::GetCellView()->GetClientRect(rcBuddyClient);
    rect.left=rcBuddyClient.left;
    rect.right=rcBuddyClient.right;
    CConfigTool::GetCellView()->InvalidateRect(rect);
  }
}

BOOL CControlView::IsActive(HTREEITEM h) const
{
  const CdlUserVisible vitem = TI (h).GetCdlItem ();
  return vitem ? vitem->is_active () : true; 
}

void CControlView::AdjustItemImage(HTREEITEM h)
{
  CConfigItem &ti=TI(h);
  CString str(ti.ItemNameOrMacro());
  if(ti.Modified()){
    str+=_TCHAR('*');
  }
  //#ifndef PLUGIN
  //	CConfigTool::GetConfigToolDoc()->SetTitle(_T("rt")); // Parameter is ignored
  //#endif
  SetItemText(h,str);
  
  int nImage=0;
  enum {FolderIcon=0, CheckBoxIcon=2, RadioIcon=6, IntegerIcon=10, StringIcon=12, EnumIcon=14, PackageIcon=16, DoubleIcon=20};
  if (ti.HasBool ())
  {
    if (ti.IsPackage ())
      nImage = PackageIcon;
    else
      nImage = ti.HasRadio () ? RadioIcon : CheckBoxIcon;
    
    if (ti.IsEnabled ())
      nImage += 2;
  }
  else
  {
    switch(ti.Type())
    {
    /*
    case CConfigItem::Boolean:
    nImage=ti.IsPackage()?PackageIcon:CheckBoxIcon;
    // These images have all four states
    if(ti.Value())
    {
				nImage+=2;
        }
        break;
        case CConfigItem::Radio:
        nImage=RadioIcon;
        // Has four states
        if(ti.Value())
        {
        nImage+=2;
        }
        break;
      */
    case CConfigItem::Double:
      nImage=DoubleIcon;
      break;
    case CConfigItem::Integer:
      nImage=IntegerIcon;
      break;
    case CConfigItem::Enum:
      nImage=EnumIcon;
      break;
    case CConfigItem::None:
      nImage = FolderIcon;
      break;
    case CConfigItem::String:
      // if a package use the enabled package icon else use the string icon
      nImage = ti.IsPackage () ? PackageIcon + 2 : StringIcon;
      break;
    default:
      ASSERT(FALSE);
      break;
    }
  }
  // All items have an enabled alternative
  if(!IsActive(h))
  {
    nImage+=1;
  }
  //	else if (ti.Type () == CConfigItem::Boolean)
  else if ((ti.Type () != CConfigItem::None) || ti.HasBool ())
  {
    // grey icon if the option is not modifiable or is inactive
    const CdlValuable valuable = ti.GetCdlValuable();
    if (valuable && ! (valuable->is_modifiable () && valuable->is_active ()))
      nImage++;
  }
  BOOL b=SetItemImage(h,nImage,nImage);
  ASSERT(b);
}

ItemIntegerType CControlView::Value(HTREEITEM h) const
{
  ItemIntegerType rc;
  CConfigItem &ti=TI(h);