CustomTabCtrlDemo.rar CustomTabCtrl.h

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#pragma once

/**********************************************************************
**
** CustomTabCtrl.h : include file
**
** by Andrzej Markowski June 2004
**
**********************************************************************/

#include <Afxtempl.h>
#include <afxcmn.h>

#include "themeutil.h"

// CustomTabCtrlItem

#define TAB_SHAPE1 0 // Invisible

#define TAB_SHAPE2 1 // __
// | /
// |/

#define TAB_SHAPE3 2 // |\
// |/

#define TAB_SHAPE4 3 // ____________
// \ /
// \________/

#define TAB_SHAPE5 4 // ___________
// \ \
// \________/

#define RECALC_PREV_PRESSED 0
#define RECALC_NEXT_PRESSED 1
#define RECALC_ITEM_SELECTED 2
#define RECALC_RESIZED 3
#define RECALC_FIRST_PRESSED 4
#define RECALC_LAST_PRESSED 5
#define RECALC_EDIT_RESIZED 6

#define MAX_LABEL_TEXT 30

typedef struct _CTC_NMHDR
{
NMHDR hdr;
int nItem;
TCHAR pszText[MAX_LABEL_TEXT];
LPARAM lParam;
RECT rItem;
POINT ptHitTest;
BOOL fSelected;
BOOL fHighlighted;
} CTC_NMHDR;

class CCustomTabCtrlItem
{
friend class CCustomTabCtrl;
private:
CCustomTabCtrlItem(CString sText, LPARAM lParam);
void ComputeRgn();
void Draw(CDC&amt; dc, CFont&amt; font);
BOOL HitTest(CPoint pt) { return (m_bShape &amt;&amt; m_rgn.PtInRegion(pt)) ? TRUE : FALSE; }
void GetRegionPoints(const CRect&amt; rc, CPoint* pts) const;
void GetDrawPoints(const CRect&amt; rc, CPoint* pts) const;
void operator=(const CCustomTabCtrlItem &amt;other);
private:
CString m_sText;
LPARAM m_lParam;
CRect m_rect;
CRect m_rectText;
CRgn m_rgn;
BYTE m_bShape;
BOOL m_fSelected;
BOOL m_fHighlighted;
BOOL m_fHighlightChanged;
};

// CCustomTabCtrl

// styles
#define CTCS_FIXEDWIDTH 1 // Makes all tabs the same width.
#define CTCS_FOURBUTTONS 2 // Four buttons (First, Prev, Next, Last)
#define CTCS_AUTOHIDEBUTTONS 4 // Auto hide buttons
#define CTCS_TOOLTIPS 8 // Tooltips
#define CTCS_MULTIHIGHLIGHT 16 // Multi highlighted items
#define CTCS_EDITLABELS 32 // Allows item text to be edited in place
#define CTCS_DRAGMOVE 64 // Allows move items
#define CTCS_DRAGCOPY 128 // Allows copy items

// hit test
#define CTCHT_ONFIRSTBUTTON -1
#define CTCHT_ONPREVBUTTON -2
#define CTCHT_ONNEXTBUTTON -3
#define CTCHT_ONLASTBUTTON -4
#define CTCHT_NOWHERE -5

// notification messages
#define CTCN_CLICK 1
#define CTCN_RCLICK 2
#define CTCN_SELCHANGE 3
#define CTCN_HIGHLIGHTCHANGE 4
#define CTCN_ITEMMOVE 5
#define CTCN_ITEMCOPY 6
#define CTCN_LABELUPDATE 7
#define CTCN_OUTOFMEMORY 8

#define CTCID_FIRSTBUTTON -1
#define CTCID_PREVBUTTON -2
#define CTCID_NEXTBUTTON -3
#define CTCID_LASTBUTTON -4
#define CTCID_NOBUTTON -5

#define CTCID_EDITCTRL 1

#define REPEAT_TIMEOUT 250

// error codes
#define CTCERR_NOERROR 0
#define CTCERR_OUTOFMEMORY -1
#define CTCERR_INDEXOUTOFRANGE -2
#define CTCERR_NOEDITLABELSTYLE -3
#define CTCERR_NOMULTIHIGHLIGHTSTYLE -4
#define CTCERR_ITEMNOTSELECTED -5
#define CTCERR_ALREADYINEDITMODE -6
#define CTCERR_TEXTTOOLONG -7
#define CTCERR_NOTOOLTIPSSTYLE -8
#define CTCERR_CREATETOOLTIPFAILED -9

// button states
#define BNST_INVISIBLE 0
#define BNST_NORMAL DNHZS_NORMAL
#define BNST_HOT DNHZS_HOT
#define BNST_PRESSED DNHZS_PRESSED

#define CustomTabCtrl_CLASSNAME _T("CCustomTabCtrl") // Window class name

class CCustomTabCtrl : public CWnd
{
public:

// Construction

CCustomTabCtrl();
virtual ~CCustomTabCtrl();
BOOL Create(UINT dwStyle, const CRect &amt; rect, CWnd * pParentWnd, UINT nID);

// Attributes

int GetItemCount() {return m_aItems.GetSize();}
int GetCurSel() { return m_nItemSelected; }
int SetCurSel(int nItem);
int IsItemHighlighted(int nItem);
int HighlightItem(int nItem, BOOL fHighlight);
int GetItemData(int nItem, DWORD&amt; dwData);
int SetItemData(int nItem, DWORD dwData);
int GetItemText(int nItem, CString&amt; sText);
int SetItemText(int nItem, CString sText);
int GetItemRect(int nItem, CRect&amt; rect) const;
int SetItemTooltipText(int nItem, CString sText);
void SetDragCursors(HCURSOR hCursorMove, HCURSOR hCursorCopy);
BOOL ModifyStyle(DWORD dwRemove, DWORD dwAdd, UINT nFlags);
void SetControlFont(const LOGFONT&amt; lf, BOOL fRedraw=FALSE);
static const LOGFONT&amt; GetDefaultFont() {return lf_default;}

// Operations

int InsertItem(int nItem, CString sText, LPARAM lParam=0);
int DeleteItem(int nItem);
void DeleteAllItems();
int MoveItem(int nItemSrc, int nItemDst);
int CopyItem(int nItemSrc, int nItemDst);
int HitTest(CPoint pt);
int EditLabel(int nItem);

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CCustomTabCtrl)
protected:
virtual void PreSubclassWindow();
virtual BOOL PreTranslateMessage(MSG* pMsg);
//}}AFX_VIRTUAL

protected:
//{{AFX_MSG(CCustomTabCtrl)
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg LONG OnMouseLeave(WPARAM wParam, LPARAM lParam);
afx_msg LONG OnThemeChanged(WPARAM wParam, LPARAM lParam);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg void OnPaint();
afx_msg void OnSize(UINT nType, int cx, int cy);
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnTimer(UINT nIDEvent);
afx_msg void OnUpdateEdit();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()

private:
void RecalcLayout(int nRecalcType,int nItem);
void RecalcEditResized(int nOffset, int nItem);
void RecalcOffset(int nOffset);
int RecalcRectangles();
BOOL RegisterWindowClass();
int ProcessLButtonDown(int nHitTest, UINT nFlags, CPoint point);
int MoveItem(int nItemSrc, int nItemDst, BOOL fMouseSel);
int CopyItem(int nItemSrc, int nItemDst, BOOL fMouseSel);
int SetCurSel(int nItem, BOOL fMouseSel, BOOL fCtrlPressed);
int HighlightItem(int nItem, BOOL fMouseSel, BOOL fCtrlPressed);
void DrawGlyph(CDC&amt; dc, CPoint&amt; pt, int nImageNdx, int nColorNdx);
void DrawBkLeftSpin(CDC&amt; dc, CRect&amt; r, int nImageNdx);
void DrawBkRightSpin(CDC&amt; dc, CRect&amt; r, int nImageNdx);
BOOL NotifyParent(UINT code, int nItem, CPoint pt);
int EditLabel(int nItem, BOOL fMouseSel);
private:
static LOGFONT lf_default;
static BYTE m_bBitsGlyphs[];
HCURSOR m_hCursorMove;
HCURSOR m_hCursorCopy;
CFont m_Font;
CFont m_FontSelected;
int m_nItemSelected;
int m_nItemNdxOffset;
int m_nItemDragDest;
int m_nPrevState;
int m_nNextState;
int m_nFirstState;
int m_nLastState;
int m_nButtonIDDown;
DWORD m_dwLastRepeatTime;
COLORREF m_rgbGlyph[4];
CBitmap m_bmpGlyphsMono;
HBITMAP m_hBmpBkLeftSpin;
BOOL m_fIsLeftImageHorLayout;
MY_MARGINS m_mrgnLeft;
MY_MARGINS m_mrgnRight;
HBITMAP m_hBmpBkRightSpin;
BOOL m_fIsRightImageHorLayout;
CToolTipCtrl m_ctrlToolTip;
CEdit m_ctrlEdit;
CArray <CCustomTabCtrlItem*,CCustomTabCtrlItem*> m_aItems;
};