sprint/gtl/ComboBox.h

/******************************************************************************
 *  GTL: GUI Template Library 
 *    A Cross Platform C++ Wrapper for Win32 users
 *  Copyright (C) 2007-2011 Paolo Medici (www.pmx.it)
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *******************************************************************************/

#ifndef _SPRINT_GTL_COMBOBOX_H
#define _SPRINT_GTL_COMBOBOX_H

#include <sprint/gtl/Window.h>
#include <Commctrl.h> // CB_*

namespace sprint {
        namespace gtl {

class ComboBox : public CWindow
{
public:
// Constructors

        ComboBox(HWND hWnd = NULL) : CWindow(hWnd)
        { }

        ComboBox(CWindow hWnd) : CWindow(hWnd)
        { }

void AddStrings(const TCHAR **list)
{
  while(*list)
  {
     ::SendMessage(m_hwnd, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR) *list);
     list++;
  }
     
 }

int FindItemDataEx(DWORD dwData) const
{
        int uItem = GetCount();
        for(int i=0;i<uItem;i++)
        {
                if(GetItemData(i)==dwData)
                        return i;
        }
        return -1;
}

// Attributes
        static LPCSTR GetWndClassName()
        {
                return "COMBOBOX";
        }

        // for entire combo box
        int GetCount() const
        {
                return (int)::SendMessage(m_hwnd, CB_GETCOUNT, 0, 0L);
        }

        int GetCurSel() const
        {
                return (int)::SendMessage(m_hwnd, CB_GETCURSEL, 0, 0L);
        }

        int SetCurSel(int nSelect)
        {
                return (int)::SendMessage(m_hwnd, CB_SETCURSEL, nSelect, 0L);
        }

        LCID GetLocale() const
        {
                return (LCID)::SendMessage(m_hwnd, CB_GETLOCALE, 0, 0L);
        }

        LCID SetLocale(LCID nNewLocale)
        {
                return (LCID)::SendMessage(m_hwnd, CB_SETLOCALE, (WPARAM)nNewLocale, 0L);
        }

        int GetTopIndex() const
        {
                return (int)::SendMessage(m_hwnd, CB_GETTOPINDEX, 0, 0L);
        }

        int SetTopIndex(int nIndex)
        {
                return (int)::SendMessage(m_hwnd, CB_SETTOPINDEX, nIndex, 0L);
        }

        UINT GetHorizontalExtent() const
        {
                return (UINT)::SendMessage(m_hwnd, CB_GETHORIZONTALEXTENT, 0, 0L);
        }

        void SetHorizontalExtent(UINT nExtent)
        {
                ::SendMessage(m_hwnd, CB_SETHORIZONTALEXTENT, nExtent, 0L);
        }

        int GetDroppedWidth() const
        {
                return (int)::SendMessage(m_hwnd, CB_GETDROPPEDWIDTH, 0, 0L);
        }

        int SetDroppedWidth(UINT nWidth)
        {
                return (int)::SendMessage(m_hwnd, CB_SETDROPPEDWIDTH, nWidth, 0L);
        }

#if ((WINVER >= 0x0500) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 420))
        BOOL GetComboBoxInfo(PCOMBOBOXINFO pComboBoxInfo) const
        {
#if ((_WIN32_WINNT >= 0x0501) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 420))
                return (BOOL)::SendMessage(m_hwnd, CB_GETCOMBOBOXINFO, 0, (LPARAM)pComboBoxInfo);
#else // !((_WIN32_WINNT >= 0x0501) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 420))
                return ::GetComboBoxInfo(m_hwnd, pComboBoxInfo);
#endif // !((_WIN32_WINNT >= 0x0501) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 420))
        }
#endif // ((WINVER >= 0x0500) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 420))

        // for edit control
        DWORD GetEditSel() const
        {
                return (DWORD)::SendMessage(m_hwnd, CB_GETEDITSEL, 0, 0L);
        }

        BOOL SetEditSel(int nStartChar, int nEndChar)
        {
                return (BOOL)::SendMessage(m_hwnd, CB_SETEDITSEL, 0, MAKELONG(nStartChar, nEndChar));
        }

        // for combobox item
        DWORD_PTR GetItemData(int nIndex) const
        {
                return (DWORD_PTR)::SendMessage(m_hwnd, CB_GETITEMDATA, nIndex, 0L);
        }

        int SetItemData(int nIndex, DWORD_PTR dwItemData)
        {
                return (int)::SendMessage(m_hwnd, CB_SETITEMDATA, nIndex, (LPARAM)dwItemData);
        }

        void* GetItemDataPtr(int nIndex) const
        {
                return (void*)GetItemData(nIndex);
        }

        int SetItemDataPtr(int nIndex, void* pData)
        {
                return SetItemData(nIndex, (DWORD_PTR)pData);
        }

        int GetLBText(int nIndex, LPTSTR lpszText) const
        {
                return (int)::SendMessage(m_hwnd, CB_GETLBTEXT, nIndex, (LPARAM)lpszText);
        }

        int GetLBTextLen(int nIndex) const
        {
                return (int)::SendMessage(m_hwnd, CB_GETLBTEXTLEN, nIndex, 0L);
        }

        int GetItemHeight(int nIndex) const
        {
                return (int)::SendMessage(m_hwnd, CB_GETITEMHEIGHT, nIndex, 0L);
        }

        int SetItemHeight(int nIndex, UINT cyItemHeight)
        {
                return (int)::SendMessage(m_hwnd, CB_SETITEMHEIGHT, nIndex, MAKELONG(cyItemHeight, 0));
        }

        BOOL GetExtendedUI() const
        {
                return (BOOL)::SendMessage(m_hwnd, CB_GETEXTENDEDUI, 0, 0L);
        }

        int SetExtendedUI(BOOL bExtended = TRUE)
        {
                return (int)::SendMessage(m_hwnd, CB_SETEXTENDEDUI, bExtended, 0L);
        }

        void GetDroppedControlRect(LPRECT lprect) const
        {
                ::SendMessage(m_hwnd, CB_GETDROPPEDCONTROLRECT, 0, (LPARAM)lprect);
        }

        BOOL GetDroppedState() const
        {
                return (BOOL)::SendMessage(m_hwnd, CB_GETDROPPEDSTATE, 0, 0L);
        }

#if (_WIN32_WINNT >= 0x0501)
        int GetMinVisible() const
        {
                return (int)::SendMessage(m_hwnd, CB_GETMINVISIBLE, 0, 0L);
        }

        BOOL SetMinVisible(int nMinVisible)
        {
                return (BOOL)::SendMessage(m_hwnd, CB_SETMINVISIBLE, nMinVisible, 0L);
        }

        // Vista only
        BOOL GetCueBannerText(LPWSTR lpwText, int cchText) const
        {
#ifndef CB_GETCUEBANNER
                const UINT CB_GETCUEBANNER = (CBM_FIRST + 4);
#endif
                return (BOOL)::SendMessage(m_hwnd, CB_GETCUEBANNER, (WPARAM)lpwText, cchText);
        }

        // Vista only
        BOOL SetCueBannerText(LPCWSTR lpcwText)
        {
#ifndef CB_SETCUEBANNER
                const UINT CB_SETCUEBANNER = (CBM_FIRST + 3);
#endif
                return (BOOL)::SendMessage(m_hwnd, CB_SETCUEBANNER, 0, (LPARAM)lpcwText);
        }
#endif // (_WIN32_WINNT >= 0x0501)

// Operations

        int InitStorage(int nItems, UINT nBytes)
        {
                return (int)::SendMessage(m_hwnd, CB_INITSTORAGE, (WPARAM)nItems, nBytes);
        }

        void ResetContent()
        {
                ::SendMessage(m_hwnd, CB_RESETCONTENT, 0, 0L);
        }

        // for edit control
        BOOL LimitText(int nMaxChars)
        {
                return (BOOL)::SendMessage(m_hwnd, CB_LIMITTEXT, nMaxChars, 0L);
        }

        // for drop-down combo boxes
        void ShowDropDown(BOOL bShowIt = TRUE)
        {
                ::SendMessage(m_hwnd, CB_SHOWDROPDOWN, bShowIt, 0L);
        }

        int AddString(LPCTSTR lpszString)
        {
                return (int)::SendMessage(m_hwnd, CB_ADDSTRING, 0, (LPARAM)lpszString);
        }

        int DeleteString(UINT nIndex)
        {
                return (int)::SendMessage(m_hwnd, CB_DELETESTRING, nIndex, 0L);
        }

        int InsertString(int nIndex, LPCTSTR lpszString)
        {
                return (int)::SendMessage(m_hwnd, CB_INSERTSTRING, nIndex, (LPARAM)lpszString);
        }

#ifndef _WIN32_WCE
        int Dir(UINT attr, LPCTSTR lpszWildCard)
        {
                return (int)::SendMessage(m_hwnd, CB_DIR, attr, (LPARAM)lpszWildCard);
        }
#endif // !_WIN32_WCE

        // selection helpers
        int FindString(int nStartAfter, LPCTSTR lpszString) const
        {
                return (int)::SendMessage(m_hwnd, CB_FINDSTRING, nStartAfter, (LPARAM)lpszString);
        }

        int FindStringExact(int nIndexStart, LPCTSTR lpszFind) const
        {
                return (int)::SendMessage(m_hwnd, CB_FINDSTRINGEXACT, nIndexStart, (LPARAM)lpszFind);
        }

        int SelectString(int nStartAfter, LPCTSTR lpszString)
        {
                return (int)::SendMessage(m_hwnd, CB_SELECTSTRING, nStartAfter, (LPARAM)lpszString);
        }

        // Clipboard operations (TODO: inherit from EDITBOX)

        void Clear()
        {
                ::SendMessage(m_hwnd, WM_CLEAR, 0, 0L);
        }

        void Copy()
        {
                ::SendMessage(m_hwnd, WM_COPY, 0, 0L);
        }

        void Cut()
        {
                ::SendMessage(m_hwnd, WM_CUT, 0, 0L);
        }

        void Paste()
        {
                ::SendMessage(m_hwnd, WM_PASTE, 0, 0L);
        }
};

}

}

#endif