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listctrl.cpp
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listctrl.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: src/os2/listctrl.cpp
// Purpose: wxListCtrl
// Author: David Webster
// Modified by:
// Created: 01/21/03
// RCS-ID: $Id$
// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_LISTCTRL
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/settings.h"
#include "wx/dcclient.h"
#include "wx/textctrl.h"
#endif
#include "wx/imaglist.h"
#include "wx/listctrl.h"
#include "wx/os2/private.h"
//
// FIELDOFFSET in DETAIL view as defined in the OS2TK45 simply doesn't work
// We use this, which does!
//
#undef FIELDOFFSET
#define FIELDOFFSET(type, field) ((ULONG)&(((type *)0)->field))
// ----------------------------------------------------------------------------
// private helper classes
// ----------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////
// STRUCT SMYRECORD
// Under OS/2 we have to use our own RECORDCORE based struct if we have
// user data to store in a PM Container Control (and wxListCtrl is a PM
// Container in ICON, NAME, TEXT or DETAIL view). m_ulUserData is a four
// byte value containing a pointer to our CListIntemInternalData class
// instance.
//
// And now for the big time OS/2 Kludge. In traditional OS/2 PM
// applications using containers, programmers determine BEFORE creation
// how many records the view will have, initially, and how many columns
// the detail view of the container will have, as the container represents
// a known data block. Thus the OS/2 PM CV_DETAIL view, i.e.
// the wxWidgets wxLC_REPORT view, relies on STATIC structure for its
// columnar data. It gets the data to display by telling it the specific
// offset of the field in the struct containing the displayable data. That
// data has be of OS/2 Types, PSZ (char string), CDATE or CTIME format.
// wxWidgets is dynamic in nature, however. We insert columns, one at a
// time and do not know how many until the app is done inserting them. So
// for OS/2 I have to set a max allowable since they are fixed. We return
// an error to the app if they include more than we can handle.
//
// For example to display the data "Col 4 of Item 6" in a report view, I'd
// have to do:
// pRecord->m_pzColumn4 = "Col 4 of Item 6";
// pField->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn4);
// and then call the PM API to set it.
//
// This really stinks but I can't use a pointer to another struct as the
// FIELDOFFSET call could only tell OS/2 the four byte value offset of
// pointer field and it would display giberish in the column.
/////////////////////////////////////////////////////////////////////////////
typedef struct _MYRECORD
{
RECORDCORE m_vRecord;
unsigned long m_ulItemId;
unsigned long m_ulUserData; //actually a pointer value to real data (a CListItemInternalData class instance)
PSZ m_pzColumn1;
PSZ m_pzColumn2;
PSZ m_pzColumn3;
PSZ m_pzColumn4;
PSZ m_pzColumn5;
PSZ m_pzColumn6;
PSZ m_pzColumn7;
PSZ m_pzColumn8;
PSZ m_pzColumn9;
PSZ m_pzColumn10;
} MYRECORD, *PMYRECORD;
/////////////////////////////////////////////////////////////////////////////
// CLASS CListItemInternalData
//
// Problem:
// The MSW version had problems with SetTextColour() et al as the
// CListItemAttr's were stored keyed on the item index. If a item was
// inserted anywhere but the end of the list the text attributes
// (colour etc) for the following items were out of sync.
//
// Solution:
// Under MSW the only way to associate data with a
// List item independent of its position in the list is to store a pointer
// to it in its lParam attribute. However user programs are already using
// this (via the SetItemData() GetItemData() calls).
//
// However what we can do is store a pointer to a structure which contains
// the attributes we want *and* a lParam for the users data, e.g.
//
// class CListItemInternalData
// {
// public:
// GuiAdvCtrl_CListItemAttr* pAttr;
// long lParam; // user data
// };
//
// To conserve memory, a CListItemInternalData is only allocated for a
// LV_ITEM if text attributes or user data(lparam) are being set.
//
// For OS/2, the lParam value points to whatever actual data we have
/////////////////////////////////////////////////////////////////////////////
class CListItemInternalData
{
public:
CListItemInternalData(): m_pAttr(NULL)
,m_lParam(0)
{}
~CListItemInternalData()
{
wxDELETE(m_pAttr);
}
wxListItemAttr* m_pAttr;
WXLPARAM m_lParam; // user data
PMYRECORD m_pMyRecord; // so we can set the m_ulUserData to 0 when this is deleted
}; // end of CLASS CListItemInternalData
/////////////////////////////////////////////////////////////////////////////
// STRUCT SInternalDataSort
//
// Sort items.
//
// fn is a function which takes 3 long arguments: item1, item2, data.
// item1 is the long data associated with a first item (NOT the index).
// item2 is the long data associated with a second item (NOT the index).
// data is the same value as passed to SortItems.
//
// The return value is a negative number if the first item should precede the
// second item, a positive number of the second item should precede the first,
// or zero if the two items are equivalent.
//
// data is arbitrary data to be passed to the sort function.
//
// Internal structures for proxying the user compare function
// so that we can pass it the *real* user data
/////////////////////////////////////////////////////////////////////////////
typedef struct internalDataSort
{
wxListCtrlCompare m_fnUser;
long m_lData;
} SInternalDataSort; // end of STRUCT SInternalDataSort
// ----------------------------------------------------------------------------
// private helper functions
// ----------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////
//
// FindOS2ListFieldByColNum
//
// There is no way, under OS/2 to get a field in a container by index,
// directly, so you must get the first one, then cycle through the list
// until you get to where you want to be.
//
// PARAMETERS
// hWnd -- window handle of container to search
// lIndex -- index to set
//
// RETURN VALUE
// pointer to the FIELDINFO struct at the index in the container record
//
/////////////////////////////////////////////////////////////////////////////
PFIELDINFO FindOS2ListFieldByColNum (
HWND hWnd
, long lIndex
)
{
PFIELDINFO pFieldInfo = NULL;
CNRINFO vCnrInfo;
ULONG i;
if (!::WinSendMsg( hWnd
,CM_QUERYCNRINFO
,MPFROMP(&vCnrInfo)
,(MPARAM)(USHORT)sizeof(CNRINFO)
))
return NULL;
for (i = 0; i < vCnrInfo.cFields; i++)
{
if (i == 0)
pFieldInfo = (PFIELDINFO)PVOIDFROMMR(::WinSendMsg( hWnd
,CM_QUERYDETAILFIELDINFO
,MPFROMP(pFieldInfo)
,(MPARAM)CMA_FIRST
));
else
pFieldInfo = (PFIELDINFO)PVOIDFROMMR(::WinSendMsg( hWnd
,CM_QUERYDETAILFIELDINFO
,MPFROMP(pFieldInfo)
,(MPARAM)CMA_NEXT
));
if (!pFieldInfo)
return NULL;
if (i == (ULONG)lIndex)
break;
}
if (!pFieldInfo)
return NULL;
return pFieldInfo;
} // end of FindOS2ListFieldByColNum
/////////////////////////////////////////////////////////////////////////////
//
// FindOS2ListRecordByID
//
// There is no way, under OS/2 to get a record in a container by index,
// directly, so you must get the first one, then cycle through the list
// until you get to where you want to be.
//
// PARAMETERS
// hWnd -- window handle of container to search
// lItemId -- index to set
//
// RETURN VALUE
// pointer to the internal RECORDCORE struct at the index in the container
//
/////////////////////////////////////////////////////////////////////////////
PMYRECORD FindOS2ListRecordByID (
HWND hWnd
, long lItemId
)
{
PMYRECORD pRecord = NULL;
CNRINFO vCnrInfo;
unsigned long i;
if (!::WinSendMsg( hWnd
,CM_QUERYCNRINFO
,MPFROMP(&vCnrInfo)
,(MPARAM)(USHORT)sizeof(CNRINFO)
))
return NULL;
for (i = 0; i < vCnrInfo.cRecords; i++)
{
if (i == 0)
pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
,CM_QUERYRECORD
,MPFROMP(pRecord)
,MPFROM2SHORT(CMA_FIRST, CMA_ITEMORDER)
));
else
pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
,CM_QUERYRECORD
,MPFROMP(pRecord)
,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
));
if (!pRecord)
return NULL;
if (pRecord->m_ulItemId == (ULONG)lItemId)
break;
}
return pRecord;
} // end of FindOS2ListRecordByID
/////////////////////////////////////////////////////////////////////////////
//
// BumpRecordIds
//
// Since OS/2 does not keep native record id's but wx insists on inserting
// and selecting via ID's, when we insert a record in the middle we need
// to bump the id's of each record after the one we just inserted.
//
// PARAMETERS
// hWnd -- window handle of container to search
// pRecord -- record after which we starting bumping id's
//
// RETURN VALUE
// none
//
/////////////////////////////////////////////////////////////////////////////
void BumpRecordIds (
HWND hWnd
, PMYRECORD pRecord
)
{
while(pRecord)
{
pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
,CM_QUERYRECORD
,MPFROMP(pRecord)
,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
));
if (pRecord)
pRecord->m_ulItemId++;
}
} // end of BumpRecordIds
/////////////////////////////////////////////////////////////////////////////
//
// GetInternalData
//
// Get the internal data given a handle and an id
//
// PARAMETERS
// hWnd -- window handle to the control in which item is located
// lItemId -- ID to get
//
// RETURN VALUE
// pointer to the internal data
//
// Note:
// Under OS/2 PM a container item cannot be obtained via a simple index or
// id retrieval. We have to walk the record list if we are looking for
// a record at a specific index location
/////////////////////////////////////////////////////////////////////////////
CListItemInternalData* GetInternalData (
HWND hWnd
, long lItemId
)
{
PMYRECORD pRecord = FindOS2ListRecordByID( hWnd
,lItemId
);
//
// Internal user data is stored AFTER the last field of the RECORDCORE
//
if (!pRecord)
return NULL;
return((CListItemInternalData *)(pRecord->m_ulUserData));
} // end of GetInternalData
/////////////////////////////////////////////////////////////////////////////
//
// GetInternalData
//
// Get the internal data given a pointer to a list control and an id
//
// PARAMETERS
// pCtl -- pointer to control inwhich item is located
// lItemId -- ID to get
//
// RETURN VALUE
// pointer to the internal data
//
/////////////////////////////////////////////////////////////////////////////
CListItemInternalData* GetInternalData (
wxListCtrl* pCtl
, long lItemId
)
{
return(GetInternalData( (HWND)pCtl->GetHWND()
,lItemId
));
} // end of GetInternalData
/////////////////////////////////////////////////////////////////////////////
//
// DeleteInternalData
//
// Delete the internal data for a record
//
// PARAMETERS
// pCtl -- pointer to the list control containing the record
// lItemId -- the record index to delete the internal data from
//
// RETURN VALUE
// pointer to the internal data attribute
//
/////////////////////////////////////////////////////////////////////////////
void DeleteInternalData (
wxListCtrl* pCtl
, long lItemId
)
{
CListItemInternalData* pData = GetInternalData( pCtl
,lItemId
);
if (pData)
{
if (pData->m_pMyRecord)
pData->m_pMyRecord->m_ulUserData = 0;
delete pData;
}
} // end of DeleteInternalData
// #pragma page "GetInternalDataAttr"
/////////////////////////////////////////////////////////////////////////////
//
// GetInternalDataAttr
//
// Get the internal data item attribute given a pointer to a list control
// and an id
//
// PARAMETERS
// pCtl -- pointer to control to set
// lItemId -- ID to set
//
// RETURN VALUE
// pointer to the internal data attribute
//
/////////////////////////////////////////////////////////////////////////////
wxListItemAttr* GetInternalDataAttr (
wxListCtrl* pCtl
, long lItemId
)
{
CListItemInternalData* pData = GetInternalData( pCtl
,lItemId
);
if (pData)
return(pData->m_pAttr);
else
return NULL;
} // end of GetInternalDataAttr
/////////////////////////////////////////////////////////////////////////////
//
// InternalDataCompareFunc
//
// This is compare function we pass to PM. It wraps the real compare
// function in SInternalDataSort
//
// PARAMETERS
// p1 -- is the first record structure to compare
// p2 -- is the second record structure to compare
// lStorage -- is the same value as passed to SortItems.
//
// RETURN VALUE
// pointer to the internal data attribute
//
/////////////////////////////////////////////////////////////////////////////
SHORT EXPENTRY InternalDataCompareFunc (
PMYRECORD p1
, PMYRECORD p2
, PVOID pStorage
)
{
SInternalDataSort* pInternalData = (SInternalDataSort *)pStorage;
CListItemInternalData* pData1 = (CListItemInternalData *)p1->m_ulUserData;
CListItemInternalData* pData2 = (CListItemInternalData *)p2->m_ulUserData;
long lD1 = (pData1 == NULL ? 0 : (long)pData1->m_lParam);
long lD2 = (pData2 == NULL ? 0 : (long)pData2->m_lParam);
return(pInternalData->m_fnUser( lD1
,lD2
,pInternalData->m_lData
));
} // end of InternalDataCompareFunc
/////////////////////////////////////////////////////////////////////////////
//
// ConvertFromOS2ListItem
//
// Convert from an internal PM List item to a Toolkit List item
//
// PARAMETERS
// hWndListCtrl -- the control's windows handle
// rInfo -- the library list control to convert to
// pRecord -- the OS list control to convert from
//
// RETURN VALUE
// none
//
/////////////////////////////////////////////////////////////////////////////
void ConvertFromOS2ListItem ( HWND hWndListCtrl,
wxListItem& rInfo,
PMYRECORD pRecord )
{
CListItemInternalData* pInternaldata = (CListItemInternalData *)pRecord->m_ulUserData;
bool bNeedText = false;
if (pInternaldata)
rInfo.SetData(pInternaldata->m_lParam);
rInfo.SetMask(0);
rInfo.SetState(0);
rInfo.SetStateMask(0);
rInfo.SetId((long)pRecord->m_ulItemId);
if (hWndListCtrl != 0)
{
pRecord = FindOS2ListRecordByID( hWndListCtrl
,rInfo.GetId()
);
}
//
// The wxListItem class is really set up to handle the WIN32 list item
// and OS/2 are not as complicated. Just set both state members to the
// same thing under OS/2
//
if (pRecord->m_vRecord.flRecordAttr & CRA_DROPONABLE)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_DROPHILITED);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_DROPHILITED);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_SELECTED)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_SELECTED);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_SELECTED);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_DISABLED)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_DISABLED);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_DISABLED);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_FILTERED)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_FILTERED);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_FILTERED);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_INUSE)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_INUSE);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_INUSE);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_PICKED)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_PICKED);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_PICKED);
}
if (pRecord->m_vRecord.flRecordAttr & CRA_SOURCE)
{
rInfo.SetStateMask(rInfo.m_stateMask | wxLIST_STATE_SOURCE);
rInfo.SetState(rInfo.m_state | wxLIST_STATE_SOURCE);
}
if (pRecord->m_vRecord.pszText != (PSZ)NULL)
{
rInfo.SetMask(rInfo.GetMask() | wxLIST_MASK_TEXT);
rInfo.SetText(pRecord->m_vRecord.pszText);
}
if (pRecord->m_vRecord.pszIcon != (PSZ)NULL ||
pRecord->m_vRecord.pszName != (PSZ)NULL)
{
rInfo.SetMask(rInfo.GetMask() | wxLIST_MASK_IMAGE);
rInfo.SetImage(pRecord->m_vRecord.hptrIcon);
}
if (pRecord->m_ulUserData)
rInfo.SetMask(rInfo.GetMask() | wxLIST_MASK_DATA);
} // end of ConvertFromOS2ListItem
/////////////////////////////////////////////////////////////////////////////
//
// ConvertToOS2Flags
//
// Convert from an library states to OS states
//
// PARAMETERS
// lState -- the state
// pRecord -- the OS list control to use
//
// RETURN VALUE
// none
//
/////////////////////////////////////////////////////////////////////////////
void ConvertToOS2Flags (
long lState
, PMYRECORD pRecord
)
{
if (lState & wxLIST_STATE_DROPHILITED)
pRecord->m_vRecord.flRecordAttr |= CRA_DROPONABLE;
if (lState & wxLIST_STATE_SELECTED)
pRecord->m_vRecord.flRecordAttr |= CRA_SELECTED;
if (lState & wxLIST_STATE_DISABLED)
pRecord->m_vRecord.flRecordAttr |= CRA_DISABLED;
if (lState & wxLIST_STATE_FILTERED)
pRecord->m_vRecord.flRecordAttr |= CRA_FILTERED;
if (lState & wxLIST_STATE_INUSE)
pRecord->m_vRecord.flRecordAttr |= CRA_INUSE;
if (lState & wxLIST_STATE_PICKED)
pRecord->m_vRecord.flRecordAttr |= CRA_PICKED;
if (lState & wxLIST_STATE_SOURCE)
pRecord->m_vRecord.flRecordAttr |= CRA_SOURCE;
} // end of ConvertToOS2Flags
/////////////////////////////////////////////////////////////////////////////
//
// ConvertToOS2ListItem
//
// Convert from a library List item to an internal OS2 List item. We set
// only the fields we need to set. Some of them are set by the API when
// they are added to the container.
//
// PARAMETERS
// pCtrl -- the control to use
// rInfo -- the item to convert
// pRecord -- the OS list control to use, should be zeroed out
// pFieldinfo -- a field struct that may contain columnar data for detail view
//
// RETURN VALUE
// none
//
/////////////////////////////////////////////////////////////////////////////
void ConvertToOS2ListItem (
const wxListCtrl* pCtrl
, const wxListItem& rInfo
, PMYRECORD pRecord
, PFIELDINFO pFieldInfo
)
{
pRecord->m_ulItemId = (ULONG)rInfo.GetId();
pRecord->m_vRecord.cb = sizeof(RECORDCORE);
if (rInfo.GetMask() & wxLIST_MASK_STATE)
{
ConvertToOS2Flags( rInfo.m_state
,pRecord
);
}
if (pCtrl->GetWindowStyleFlag() & wxLC_ICON ||
pCtrl->GetWindowStyleFlag() & wxLC_SMALL_ICON)
{
pRecord->m_vRecord.pszIcon = (char*)rInfo.GetText().c_str();
}
if (pCtrl->GetWindowStyleFlag() & wxLC_LIST) // PM TEXT view
{
pRecord->m_vRecord.pszText = (char*)rInfo.GetText().c_str();
}
//
// In the case of a report view the text will be the data in the lead column
// ???? Don't know why, but that is how it works in other ports.
//
if (pCtrl->GetWindowStyleFlag() & wxLC_REPORT)
{
if (pFieldInfo)
{
switch(rInfo.GetColumn())
{
case 0:
pRecord->m_pzColumn1 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn1);
break;
case 1:
pRecord->m_pzColumn2 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn2);
break;
case 2:
pRecord->m_pzColumn3 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn3);
break;
case 3:
pRecord->m_pzColumn4 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn4);
break;
case 4:
pRecord->m_pzColumn5 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn5);
break;
case 5:
pRecord->m_pzColumn6 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn6);
break;
case 6:
pRecord->m_pzColumn7 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn7);
break;
case 7:
pRecord->m_pzColumn8 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn8);
break;
case 8:
pRecord->m_pzColumn9 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn9);
break;
case 9:
pRecord->m_pzColumn10 = (char*)rInfo.GetText().c_str();
pFieldInfo->offStruct = FIELDOFFSET(MYRECORD, m_pzColumn10);
break;
default:
wxFAIL_MSG( wxT("wxOS2 does not support more than 10 columns in REPORT view") );
break;
}
}
}
if (rInfo.GetMask() & wxLIST_MASK_IMAGE)
{
pRecord->m_vRecord.hptrIcon = (HPOINTER)rInfo.GetImage();
pRecord->m_vRecord.hptrMiniIcon = (HPOINTER)rInfo.m_miniImage;
}
} // end of ConvertToOS2ListItem
/////////////////////////////////////////////////////////////////////////////
//
// ConvertToOS2ListCol
//
// Convert from a library List column to an internal PM List column
//
// PARAMETERS
// lCol -- the columnd to convert
// rItem -- the item to convert
// pField -- the OS list column to use
//
// RETURN VALUE
// none
//
/////////////////////////////////////////////////////////////////////////////
void ConvertToOS2ListCol (
long lCol
, const wxListItem& rItem
, PFIELDINFO pField
)
{
memset(pField, '\0', sizeof(FIELDINFO));
pField->cb = sizeof(FIELDINFO);
//
// Default some settings
//
pField->flData = CFA_HORZSEPARATOR | CFA_SEPARATOR;
pField->flTitle = CFA_CENTER;
if (rItem.GetMask() & wxLIST_MASK_TEXT)
{
pField->flData |= CFA_STRING;
pField->pTitleData = (PVOID)rItem.GetText().c_str(); // text is column title not data
}
if (rItem.GetMask() & wxLIST_MASK_FORMAT)
{
if (rItem.m_format == wxLIST_FORMAT_LEFT)
pField->flData |= CFA_LEFT;
else if (rItem.m_format == wxLIST_FORMAT_RIGHT)
pField->flData |= CFA_RIGHT;
else if (rItem.m_format == wxLIST_FORMAT_CENTRE)
pField->flData |= CFA_CENTER;
}
else
pField->flData |= CFA_CENTER; // Just ensure the default is centered
if (rItem.GetMask() & wxLIST_MASK_WIDTH)
{
if (!(rItem.GetWidth() == wxLIST_AUTOSIZE ||
rItem.GetWidth() == wxLIST_AUTOSIZE_USEHEADER))
pField->cxWidth = rItem.GetWidth();
// else: OS/2 automatically sets the width if created with the approppriate style
}
//
// Still need to set the actual data
//
pField->offStruct = 0;
} // end of ConvertToOS2ListCol
BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
EVT_PAINT(wxListCtrl::OnPaint)
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxListCtrl construction
// ----------------------------------------------------------------------------
void wxListCtrl::Init ()
{
m_pImageListNormal = NULL;
m_pImageListSmall = NULL;
m_pImageListState = NULL;
m_bOwnsImageListNormal = false;
m_bOwnsImageListSmall = false;
m_bOwnsImageListState = false;
m_lBaseStyle = 0L;
m_nColCount = 0;
m_pTextCtrl = NULL;
m_bAnyInternalData = false;
m_bHasAnyAttr = false;
} // end of wxListCtrl::Init
bool wxListCtrl::Create ( wxWindow* pParent,
wxWindowID vId,
const wxPoint& rPos,
const wxSize& rSize,
long lStyle,
const wxValidator& rValidator,
const wxString& rsName )
{
int nX = rPos.x;
int nY = rPos.y;
int nWidth = rSize.x;
int nHeight = rSize.y;
#if wxUSE_VALIDATORS
SetValidator(rValidator);
#endif // wxUSE_VALIDATORS
SetName(rsName);
SetWindowStyleFlag(lStyle);
SetParent(pParent);
if (nWidth <= 0)
nWidth = 100;
if (nHeight <= 0)
nHeight = 30;
if (nX < 0)
nX = 0;
if (nY < 0)
nY = 0;
m_windowId = (vId == -1) ? NewControlId() : vId;
long lSstyle = WS_VISIBLE | WS_TABSTOP;
if (GetWindowStyleFlag() & wxCLIP_SIBLINGS)
lSstyle |= WS_CLIPSIBLINGS;
m_lBaseStyle = lSstyle;
if (!DoCreateControl( nX
,nY
,nWidth
,nHeight
))
return false;
if (pParent)
pParent->AddChild(this);
return true;
} // end of wxListCtrl::Create
bool wxListCtrl::DoCreateControl ( int nX, int nY,
int nWidth, int nHeight )
{
DWORD lWstyle = m_lBaseStyle;
long lOldStyle = 0; // Dummy
CNRINFO vCnrInfo;
lWstyle |= ConvertToOS2Style( lOldStyle
,GetWindowStyleFlag()
);
m_hWnd = (WXHWND)::WinCreateWindow( GetParent()->GetHWND()
,WC_CONTAINER
,NULL
,m_lBaseStyle
,0, 0, 0, 0
,GetParent()->GetHWND()
,HWND_BOTTOM
,(ULONG)m_windowId
,NULL
,NULL
);
if (!m_hWnd)
{
return false;
}
//
// Now set the display attributes of the container
//
if (!::WinSendMsg( GetHWND()
,CM_QUERYCNRINFO
,MPFROMP(&vCnrInfo)
,(MPARAM)(USHORT)sizeof(CNRINFO)
))
return false;
lWstyle = ConvertViewToOS2Style(GetWindowStyleFlag());
vCnrInfo.flWindowAttr |= lWstyle;
if (!::WinSendMsg( GetHWND()
,CM_SETCNRINFO
,MPFROMP(&vCnrInfo)
,(MPARAM)CMA_FLWINDOWATTR
))
return false;
//
// And now set needed arrangement flags
//
lWstyle = ConvertArrangeToOS2Style(GetWindowStyleFlag());
if (!::WinSendMsg( GetHWND()
,CM_ARRANGE
,(MPARAM)CMA_ARRANGEGRID
,(MPARAM)lWstyle
))
return false;
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
SetForegroundColour(GetParent()->GetForegroundColour());
SubclassWin(m_hWnd);
SetFont(*wxSMALL_FONT);
SetXComp(0);
SetYComp(0);
SetSize( nX, nY, nWidth, nHeight );
return true;
} // end of wxListCtrl::DoCreateControl
void wxListCtrl::UpdateStyle ()
{
if (GetHWND())
{
long lDummy;
DWORD dwStyleNew = ConvertToOS2Style( lDummy, GetWindowStyleFlag() );
dwStyleNew |= m_lBaseStyle;
//
// Get the current window style.
//
ULONG dwStyleOld = ::WinQueryWindowULong(GetHWND(), QWL_STYLE);
//
// Only set the window style if the view bits have changed.
//
if (dwStyleOld != dwStyleNew)
{
::WinSetWindowULong(GetHWND(), QWL_STYLE, dwStyleNew);
}
}
} // end of wxListCtrl::UpdateStyle
void wxListCtrl::FreeAllInternalData ()
{
if (m_bAnyInternalData)
{
int n = GetItemCount();
int i = 0;
for (i = 0; i < n; i++)
DeleteInternalData(this, (long)i);
m_bAnyInternalData = false;
}
} // end of wxListCtrl::FreeAllInternalData
wxListCtrl::~wxListCtrl ()
{
FreeAllInternalData();
if (m_pTextCtrl )
{
m_pTextCtrl->SetHWND(0);
m_pTextCtrl->UnsubclassWin();
wxDELETE(m_pTextCtrl);
}
if (m_bOwnsImageListNormal)
delete m_pImageListNormal;
if (m_bOwnsImageListSmall)
delete m_pImageListSmall;
if (m_bOwnsImageListState)
delete m_pImageListState;
} // end of wxListCtrl::~wxListCtrl
// ----------------------------------------------------------------------------
// set/get/change style
// ----------------------------------------------------------------------------
// Add or remove a single window style
void wxListCtrl::SetSingleStyle (
long lStyle
, bool bAdd
)
{
long lFlag = GetWindowStyleFlag();
//
// Get rid of conflicting styles
//
if (bAdd)
{
if (lStyle & wxLC_MASK_TYPE)
lFlag = lFlag & ~wxLC_MASK_TYPE;
if (lStyle & wxLC_MASK_ALIGN )
lFlag = lFlag & ~wxLC_MASK_ALIGN;
if (lStyle & wxLC_MASK_SORT )
lFlag = lFlag & ~wxLC_MASK_SORT;
}
if (lFlag & lStyle)
{
if (!bAdd)
lFlag -= lStyle;
}
else