gfxoutbarctrl.cpp

实现访QQ界面.仅供初学者参考,如果有不足之处,请大家共同研究

// Copyright (c) Iuri Apollonio 1998
// Use & modify as you want & need, and leave those 3 lines.
// http://www.codeguru.com


// GfxOutBarCtrl.cpp : implementation file
//

#include "stdafx.h"
#include "resource.h"//"OutWAts1.h"
#include "GfxOutBarCtrl.h"
#include "GfxGroupEdit.h"

#include "GfxPopupMenu.h"

#define _ID_GFX_SMALLICON	"小图标方式"
#define _ID_GFX_LARGEICON	"大图标方式"
#define _ID_GFX_ADDAGROUP   "添加组"
#define _ID_GFX_FONTCOLOR   "改变字体颜色"
#define _ID_GFX_BACKCOLOR   "改变背景颜色"
#define _ID_GFX_REMOVEITEM	"从该组中删除"
#define _ID_GFX_RENAMEITEM	"改名"

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

/////////////////////////////////////////////////////////////////////////////
// CGfxOutBarCtrl

IMPLEMENT_DYNCREATE(CGfxOutBarCtrl, CWnd)

CGfxOutBarCtrl::CGfxOutBarCtrl()
{
	crBackGroundColor = GetSysColor(COLOR_BACKGROUND);//RGB(0,128,128);//
	crBackGroundColor1 = GetSysColor(COLOR_BACKGROUND);
	crTextColor = GetSysColor(COLOR_WINDOW);
	cr3dFace = GetSysColor(COLOR_3DFACE);
	crLightBorder = GetSysColor(COLOR_3DLIGHT);
	crHilightBorder = GetSysColor(COLOR_3DHILIGHT);
	crShadowBorder = GetSysColor(COLOR_3DSHADOW);
	crDkShadowBorder = GetSysColor(COLOR_3DDKSHADOW);

	pBlackPen = new CPen(PS_SOLID, 1, RGB(0,0,0));

	iFolderHeight = 22;

	dwFlags = fDragItems|fEditGroups|fEditItems|fRemoveGroups|fRemoveItems|fAddGroups|fAnimation|fSelHighlight;

	iSelFolder = 1;

	iLastFolderHighlighted = -1;
	iLastSelectedFolder = -1;
	
	pLargeImageList = NULL;
	pSmallImageList = NULL;

	iFirstItem = 0;

	xSmallIconLabelOffset = 4;
	yLargeIconLabelOffset = 3;

	ySmallIconSpacing = 10;
	yLargeIconSpacing = 8;

	xLeftMargin = 5;
	yTopMargin = 5;

	bUpArrow = bDownArrow = false;

//	hHandCursor = AfxGetApp()->LoadCursor(IDC_HANDCUR);
	rcUpArrow = rcDownArrow = CRect(0,0,0,0);

	bUpPressed = bDownPressed = false;

	bLooping = false;

	iLastItemHighlighted = -1;
	bPressedHighlight = false;

	iLastDragItemDraw = -1;

	lAnimationTickCount = 10;

//	hDragCursor = AfxGetApp()->LoadCursor(IDC_DRAGGING);
//	hNoDragCursor = AfxGetApp()->LoadCursor(IDC_NODRAGGING);

	iLastSel = -1;
	iSelAnimCount = 0;

	iSelAnimTiming = 0;
}

CGfxOutBarCtrl::~CGfxOutBarCtrl()
{
	for (int t = 0; t < arFolder.GetSize(); t++)
	{
		if (arFolder.GetAt(t)) delete (CBarFolder*) arFolder.GetAt(t);
	}

	arFolder.RemoveAll();

	delete pBlackPen;
}


BEGIN_MESSAGE_MAP(CGfxOutBarCtrl, CWnd)
	//{{AFX_MSG_MAP(CGfxOutBarCtrl)
	ON_WM_CREATE()
	ON_WM_TIMER()
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_SETCURSOR()
	ON_WM_SIZE()
	ON_WM_RBUTTONDOWN()
/*	ON_COMMAND(ID_GFX_LARGEICON, OnGfxLargeicon)
	ON_UPDATE_COMMAND_UI(ID_GFX_LARGEICON, OnUpdateGfxLargeicon)
	ON_COMMAND(ID_GFX_SMALLICON, OnGfxSmallicon)
	ON_UPDATE_COMMAND_UI(ID_GFX_SMALLICON, OnUpdateGfxSmallicon)
	ON_COMMAND(ID_GFX_REMOVEITEM, OnGfxRemoveitem)
	ON_UPDATE_COMMAND_UI(ID_GFX_REMOVEITEM, OnUpdateGfxRemoveitem)
	ON_COMMAND(ID_GFX_RENAMEITEM, OnGfxRenameitem)
	ON_UPDATE_COMMAND_UI(ID_GFX_RENAMEITEM, OnUpdateGfxRenameitem)*/
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_OUTBAR_NOTIFY, OnEndLabelEdit)
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CGfxOutBarCtrl message handlers

long CGfxOutBarCtrl::OnEndLabelEdit(WPARAM wParam, LPARAM lParam)
{
	if (wParam == NM_OB_ONGROUPENDEDIT)
	{
		CGfxGroupEdit * pEdit = (CGfxGroupEdit *) lParam;
		OUTBAR_INFO ob;
		ob.index = pEdit->iIndex;
		ob.cText = pEdit->text;

		if (GetOwner()->SendMessage(WM_OUTBAR_NOTIFY, NM_OB_ONGROUPENDEDIT, (LPARAM) &ob))
		{
			SetFolderText(pEdit->iIndex, pEdit->text);
			CRect rc;
			GetFolderRect(pEdit->iIndex, rc);
			InvalidateRect(rc, false);
		}
	}
	if (wParam == NM_OB_ONLABELENDEDIT)
	{
		CGfxGroupEdit * pEdit = (CGfxGroupEdit *) lParam;
		OUTBAR_INFO ob;
		ob.index = pEdit->iIndex;
		ob.cText = pEdit->text;

		if (GetOwner()->SendMessage(WM_OUTBAR_NOTIFY, NM_OB_ONLABELENDEDIT, (LPARAM) &ob))
		{
			SetItemText(pEdit->iIndex, pEdit->text);
			CRect rc;
			GetInsideRect(rc);
			InvalidateRect(rc, true);
		}
	}
	return 0;
}

void CGfxOutBarCtrl::SetFolderText(const int index, const char * text)
{
	ASSERT(index >= 0 && index < GetFolderCount());
	CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(index);
	if (pbf->cName) 
	{
		delete [] pbf->cName;
		pbf->cName = NULL;
	}
	pbf->cName = new char [lstrlen(text)+1];
	lstrcpy(pbf->cName, text);
}

void CGfxOutBarCtrl::SetItemText(const int index, const char * text)
{
	ASSERT(iSelFolder >= 0 && iSelFolder < GetFolderCount());
	CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iSelFolder);
	CBarItem * pi = (CBarItem *) pbf->arItems.GetAt(index);
	if (pi->cItem) 
	{
		delete [] pi->cItem;
		pi->cItem = NULL;
	}
	pi->cItem = new char [lstrlen(text)+1];
	lstrcpy(pi->cItem, text);
}

BOOL CGfxOutBarCtrl::Create(DWORD dwStyle, const RECT & rect, CWnd * pParentWnd, UINT nID, const DWORD dwFlag)
{
	dwFlags = dwFlag;
	return CWnd::CreateEx(WS_EX_STATICEDGE, NULL, NULL, dwStyle|WS_CHILD, rect, pParentWnd, nID);
	//GFXOUTBARCTRL_CLASSNAME
}

bool CGfxOutBarCtrl::IsSmallIconView() const
{
	return dwFlags&fSmallIcon;
}

void CGfxOutBarCtrl::SetSmallIconView(const bool bSet)
{
	iFirstItem = 0;

	if (bSet)
	{
		if (!IsSmallIconView()) 
		{
			dwFlags |= fSmallIcon;
			CRect rc;
			GetInsideRect(rc);
			InvalidateRect(rc, false);
		}
	}
	else
	{
		if (IsSmallIconView()) 
		{
			dwFlags &= ~fSmallIcon;
			CRect rc;
			GetInsideRect(rc);
			InvalidateRect(rc, false);
		}
	}
}

DWORD CGfxOutBarCtrl::GetFlag() const
{
	return dwFlags;
}

void CGfxOutBarCtrl::ModifyFlag(const DWORD & dwRemove, const DWORD & dwAdd, const UINT redraw)
{
	if (dwRemove)	dwFlags &= ~(dwRemove);
	if (dwAdd)		dwFlags |= dwAdd;

	if (GetSafeHwnd())
	{
		if (redraw != 0) SetWindowPos(0,0,0,0,0,SWP_NOZORDER|SWP_NOSIZE|SWP_NOMOVE|redraw);
		else Invalidate();
	}
}

int CGfxOutBarCtrl::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	
	return 0;
}

void CGfxOutBarCtrl::OnTimer(UINT nIDEvent) 
{
	if (nIDEvent == 1)
	{
		CPoint pt(GetMessagePos());

		ScreenToClient(&pt);

		CRect rc;
		GetClientRect(&rc);
		if (!(rc.PtInRect(pt)))
		{
			HighlightFolder(-1);
			HighlightItem(-1);
			KillTimer(1);
		}
	}
	else
	{
		if (nIDEvent == 3 && iLastSel >= 0)
		{
			iSelAnimCount ++;
			if (iSelAnimCount > 10) iSelAnimCount = -1;
			if (iSelAnimCount == 0)
				DrawAnimItem(-1, 1, iLastSel);
			if (iSelAnimCount == 1)
				DrawAnimItem(0, 0, iLastSel);
			if (iSelAnimCount == 2)
				DrawAnimItem(1, 1, iLastSel);
			if (iSelAnimCount == 3)
				DrawAnimItem(0, 0, iLastSel);
		}
	}
	CWnd::OnTimer(nIDEvent);
}

void CGfxOutBarCtrl::DrawAnimItem(const int xoffset, const int yoffset, const int index)
{
	CImageList * ima = GetFolderImageList(iSelFolder, IsSmallIconView());

	CRect rc, irc;
	GetInsideRect(irc);
	GetItemRect(iSelFolder, iLastSel, rc);

	if (iLastSel >= iFirstItem && irc.bottom > rc.bottom && irc.top < rc.top)
	{
		ASSERT(iSelFolder >= 0 && iSelFolder < GetFolderCount());
		CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iSelFolder);

		ASSERT(index >= 0 && index < pbf->GetItemCount());
		CBarItem * pi = (CBarItem *) pbf->arItems.GetAt(index);

		ASSERT(pi && ima);

		CClientDC dc(this);

		if (IsSmallIconView())
		{
			if (ima)
			{
				IMAGEINFO ii;
				ima->GetImageInfo(pi->iImageIndex, &ii);
				CSize szImage = CRect(ii.rcImage).Size();
				CPoint pt;
				pt.x = rc.left + 2;
				pt.y = rc.top + (rc.Height() - szImage.cy) / 2;

				CRect rcBck(pt.x-1, pt.y-1, pt.x + szImage.cx+2, pt.y + szImage.cy+2);
				dc.FillSolidRect(rcBck, crBackGroundColor);

				pt.x += xoffset;
				pt.y += yoffset;

				ima->Draw(&dc, pi->iImageIndex, pt, ILD_NORMAL);

			}
		}
		else
		{
			if (ima)
			{
				IMAGEINFO ii;
				ima->GetImageInfo(pi->iImageIndex, &ii);
				CSize szImage = CRect(ii.rcImage).Size();
				CPoint pt;
				pt.x = rc.left + (rc.Width() - szImage.cx) / 2;
				pt.y = rc.top;

				CRect rcBck(pt.x-1, pt.y-1, pt.x + szImage.cx+2, pt.y + szImage.cy+2);
				dc.FillSolidRect(rcBck, crBackGroundColor);

				pt.x += xoffset;
				pt.y += yoffset;

				ima->Draw(&dc, pi->iImageIndex, pt, ILD_NORMAL);
			}
		}
	}
}

void CGfxOutBarCtrl::OnPaint() 
{
	CRect clientRc;
	GetClientRect(&clientRc);
	CPaintDC dc(this);
	CDC memDC;
	memDC.CreateCompatibleDC(&dc);
	CBitmap bmp;
	bmp.CreateCompatibleBitmap(&dc, clientRc.Width(), clientRc.Height());
	CBitmap * obmp = memDC.SelectObject(&bmp);

	CDC * pDC = &memDC;

	CRect rc;
	GetInsideRect(rc);
	if (!GetFolderChild()) pDC->FillSolidRect(rc, crBackGroundColor);


	int max = arFolder.GetSize();
	CRect frc;
	for (int t = 0; t < max; t++)
	{
		GetFolderRect(t, frc);
		DrawFolder(pDC, t, frc, false);
	}
	if (!GetFolderChild())
	{
		int f,l;
		GetVisibleRange(iSelFolder, f,l);
		rcUpArrow.SetRect(0,0,GetSystemMetrics(SM_CXVSCROLL), GetSystemMetrics(SM_CXVSCROLL));
		rcDownArrow = rcUpArrow;
		rcUpArrow.OffsetRect(rc.right - 5 - GetSystemMetrics(SM_CXVSCROLL), rc.top +5);
		rcDownArrow.OffsetRect(rc.right - 5 - GetSystemMetrics(SM_CXVSCROLL), rc.bottom - 5 - GetSystemMetrics(SM_CXVSCROLL));

		if (f > 0)
		{
			if (bUpPressed) pDC->DrawFrameControl(rcUpArrow, DFC_SCROLL, DFCS_SCROLLUP|DFCS_PUSHED);
			else pDC->DrawFrameControl(rcUpArrow, DFC_SCROLL, DFCS_SCROLLUP);
			bUpArrow = true;
			pDC->ExcludeClipRect(rcUpArrow);
		}
		else bUpArrow = false;

		if (l < GetItemCount() - 1)
		{
			if (bDownPressed) pDC->DrawFrameControl(rcDownArrow, DFC_SCROLL, DFCS_SCROLLDOWN|DFCS_PUSHED);
			else pDC->DrawFrameControl(rcDownArrow, DFC_SCROLL, DFCS_SCROLLDOWN);
			bDownArrow = true;
			pDC->ExcludeClipRect(rcDownArrow);
		}
		else bDownArrow = false;

		PaintItems(pDC, iSelFolder, rc);
	}

	dc.BitBlt(clientRc.left, clientRc.top, clientRc.Width(), clientRc.Height(), &memDC, 0,0, SRCCOPY);

	memDC.SelectObject(obmp);

	if (iLastFolderHighlighted >= 0)
	{
		int i = iLastFolderHighlighted;
		iLastFolderHighlighted = -1;
		HighlightFolder(i);
	}
	if (iLastItemHighlighted >= 0)
	{
		int i = iLastItemHighlighted;
		iLastItemHighlighted = -1;
		HighlightItem(i, bPressedHighlight);
	}

}

BOOL CGfxOutBarCtrl::OnEraseBkgnd(CDC* pDC) 
{
	return true;
}

bool CGfxOutBarCtrl::GetFolderRect(const int iIndex, CRect & rect) const
{
	int max = arFolder.GetSize();
	ASSERT(iIndex >= 0 && iIndex < max);

	if (iIndex >= 0 && iIndex < max)
	{
		CRect rc;
		GetClientRect(rc);
		if (iIndex > iSelFolder)
			rect.SetRect(rc.left, rc.bottom - ((max - iIndex)) * iFolderHeight, rc.right, 
			rc.bottom - (max - iIndex - 1) * iFolderHeight);
		else 
			rect.SetRect(rc.left, rc.top + iIndex * iFolderHeight - 1, rc.right, 
			rc.top + (1 + iIndex) * iFolderHeight - 1);
		return true;
	}
	return false;
}

void CGfxOutBarCtrl::GetItemRect(const int iFolder, const int iIndex, CRect & rect)
{
	CRect rc;
	GetInsideRect(rc);
	int top = rc.top;
	CSize sz(0,0);
	int y = 0;
	for (int t = 0; t < iIndex; t++)
	{
		sz = GetItemSize(iFolder, t, ircAll);
		top += sz.cy;

		if (IsSmallIconView()) 
		{
			top += ySmallIconSpacing; 
		}
		else 
		{
			top += yLargeIconSpacing;
		}
		if (t == iFirstItem - 1) y = top - rc.top;
	}
	sz = GetItemSize(iFolder, iIndex, ircAll);
	rect.SetRect(rc.left, top, rc.left + sz.cx, top + sz.cy);

	rect.top -= y;
	rect.bottom -= y;

	rect.left += xLeftMargin;
	rect.top  += yTopMargin;
	rect.bottom += yTopMargin;

	if (!IsSmallIconView()) 
	{
		rect.left = rc.left;
		rect.right = rc.right;
	}
}

void CGfxOutBarCtrl::DrawFolder(CDC * pDC, const int iIdx, CRect rect, const bool bSelected)
{
	CBarFolder * pbf = (CBarFolder *) arFolder.GetAt(iIdx);

	if (!bSelected)
	{
		CPen pn1(PS_SOLID, 1, crBackGroundColor1);
		CPen * op = pDC->SelectObject(&pn1);
		pDC->MoveTo(rect.left, rect.top);
		pDC->LineTo(rect.right, rect.top);
		pDC->SelectObject(op);

		rect.top ++;

		pDC->Draw3dRect(rect, crHilightBorder, crBackGroundColor1);
		rect.InflateRect(-1,-1);
		pDC->FillSolidRect(rect, cr3dFace);
		int obk = pDC->SetBkMode(TRANSPARENT);
		CFont * of = pDC->SelectObject(CFont::FromHandle((HFONT)GetStockObject(DEFAULT_GUI_FONT)));
		pDC->DrawText(CString(pbf->cName), rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
		pDC->SetBkMode(obk);
		pDC->SelectObject(of);
	}
	else
	{
		CPen pn1(PS_SOLID, 1, crBackGroundColor1);
		CPen * op = pDC->SelectObject(&pn1);
		pDC->MoveTo(rect.left+1, rect.top);
		pDC->LineTo(rect.right, rect.top);
		pDC->SelectObject(op);

		rect.top ++;

		pDC->Draw3dRect(rect, crDkShadowBorder, crHilightBorder);
		rect.InflateRect(-1,-1);
		pDC->Draw3dRect(rect, crBackGroundColor1, cr3dFace);
		rect.InflateRect(-1,-1);

		pDC->FillSolidRect(rect, cr3dFace);

		int obk = pDC->SetBkMode(TRANSPARENT);
		CFont * of = pDC->SelectObject(CFont::FromHandle((HFONT)GetStockObject(DEFAULT_GUI_FONT)));
		pDC->DrawText(CString(pbf->cName), rect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
		pDC->SetBkMode(obk);
		pDC->SelectObject(of);
	}
}

int CGfxOutBarCtrl::AddFolder(const char * cFolderName, const DWORD exData)
{
	CBarFolder * pbf = new CBarFolder(cFolderName, exData);
	ASSERT(pbf);
	arFolder.Add((void *)pbf);

	return arFolder.GetSize() - 1;
}

CGfxOutBarCtrl::CBarFolder::CBarFolder(const char * name, DWORD exData)
{
	cName = NULL;
	dwData = exData;

	if (name)
	{
		cName = new char[lstrlen(name)+1];
		ASSERT(cName);
		lstrcpy(cName, name);
	}
	pLargeImageList = NULL;
	pSmallImageList = NULL;
	pChild = NULL;
}