/////////////////////////////////////////////////////////////////////////////
-// Name: choice.cpp
+// Name: src/os2/choice.cpp
// Purpose: wxChoice
// Author: David Webster
// Modified by:
// Created: 10/13/99
-// RCS-ID: $Id$
// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
+#if wxUSE_CHOICE
+
+#include "wx/choice.h"
+
#ifndef WX_PRECOMP
- #include "wx/choice.h"
#include "wx/utils.h"
#include "wx/log.h"
+ #include "wx/settings.h"
#endif
#include "wx/os2/private.h"
-IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
+bool wxChoice::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxPoint& rPos
+, const wxSize& rSize
+, const wxArrayString& asChoices
+, long lStyle
+, const wxValidator& rValidator
+, const wxString& rsName
+)
+{
+ wxCArrayString chs(asChoices);
-bool wxChoice::Create(wxWindow *parent,
- wxWindowID id,
- const wxPoint& pos,
- const wxSize& size,
- int n, const wxString choices[],
- long style,
-#if wxUSE_VALIDATORS
- const wxValidator& validator,
-#endif
- const wxString& name)
+ return Create(pParent, vId, rPos, rSize, chs.GetCount(), chs.GetStrings(),
+ lStyle, rValidator, rsName);
+}
+
+bool wxChoice::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxPoint& rPos
+, const wxSize& rSize
+, int n
+, const wxString asChoices[]
+, long lStyle
+, const wxValidator& rValidator
+, const wxString& rsName
+)
{
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
-// TODO:
-/*
- long msStyle = WS_CHILD | CBS_DROPDOWNLIST | WS_TABSTOP | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL;
- if ( style & wxCB_SORT )
- msStyle |= CBS_SORT;
-
- // the experience shows that wxChoice vs. wxComboBox distinction confuses
- // quite a few people - try to help them
- wxASSERT_MSG( !(style & wxCB_DROPDOWN) &&
- !(style & wxCB_READONLY) &&
- !(style & wxCB_SIMPLE),
+ long lSstyle;
+
+ if (!CreateControl( pParent
+ ,vId
+ ,rPos
+ ,rSize
+ ,lStyle
+ ,rValidator
+ ,rsName
+ ))
+ return false;
+ lSstyle = CBS_DROPDOWNLIST |
+ WS_TABSTOP |
+ WS_VISIBLE;
+
+ // clipping siblings does not yet work
+ // if (lStyle & wxCLIP_SIBLINGS )
+ // lSstyle |= WS_CLIPSIBLINGS;
+
+ wxASSERT_MSG( !(lStyle & wxCB_DROPDOWN) &&
+ !(lStyle & wxCB_READONLY) &&
+ !(lStyle & wxCB_SIMPLE),
wxT("this style flag is ignored by wxChoice, you "
"probably want to use a wxComboBox") );
- if ( !OS2CreateControl(wxT("COMBOBOX"), msStyle) )
- return FALSE;
+ if (!OS2CreateControl( wxT("COMBOBOX")
+ ,lSstyle
+ ))
+ return false;
- for ( int i = 0; i < n; i++ )
+ //
+ // A choice/combobox normally has a white background (or other, depending
+ // on global settings) rather than inheriting the parent's background colour.
+ //
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+
+ // initialize the controls contents
+ for (int i = 0; i < n; i++)
{
- Append(choices[i]);
+ Append(asChoices[i]);
}
-*/
- SetSize(pos.x, pos.y, size.x, size.y);
-
- return TRUE;
+ SetSize( rPos.x
+ ,rPos.y
+ ,rSize.x
+ ,rSize.y
+ );
+
+ // Set height to use with sizers i.e. without the dropdown listbox
+ wxFont vFont = GetFont();
+ int nEditHeight;
+ wxGetCharSize( GetHWND(), NULL, &nEditHeight, &vFont );
+ nEditHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nEditHeight);
+ SetInitialSize(wxSize(-1,nEditHeight+4)); // +2x2 for the border
+
+ return true;
+} // end of wxChoice::Create
+
+wxChoice::~wxChoice()
+{
+ Clear();
}
// ----------------------------------------------------------------------------
// adding/deleting items to/from the list
// ----------------------------------------------------------------------------
-int wxChoice::DoAppend(const wxString& item)
+int wxChoice::DoInsertItems(const wxArrayStringsAdapter& items
+ , unsigned int pos
+ , void **clientData
+ , wxClientDataType type
+ )
{
- // TODO:
- /*
- int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LONG)item.c_str());
- if ( n == CB_ERR )
+ int nIndex = wxNOT_FOUND;
+ LONG nIndexType = 0;
+ bool incrementPos = false;
+ if ( IsSorted() )
+ nIndexType = LIT_SORTASCENDING;
+ else if (pos == GetCount())
+ nIndexType = LIT_END;
+ else
{
- wxLogLastError("SendMessage(CB_ADDSTRING)");
+ nIndexType = pos;
+ incrementPos = true;
}
- */
- return 0; //n
-}
-void wxChoice::Delete(int n)
+ const unsigned int count = items.GetCount();
+ for( unsigned int i = 0; i < count; ++i )
+ {
+ nIndex = (int)::WinSendMsg( GetHwnd()
+ ,LM_INSERTITEM
+ ,(MPARAM)nIndexType
+ ,(MPARAM)items[i].wx_str()
+ );
+ if (nIndex < 0)
+ {
+ nIndex = wxNOT_FOUND;
+ break;
+ }
+ AssignNewItemClientData(nIndex, clientData, i, type);
+
+ if (incrementPos)
+ ++nIndexType;
+ }
+ return nIndex;
+} // end of wxChoice::DoInsertAppendItemsWithData
+
+void wxChoice::DoDeleteOneItem(unsigned int n)
{
- wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
+ wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::Delete") );
-// TODO: SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
-}
+ ::WinSendMsg(GetHwnd(), LM_DELETEITEM, (MPARAM)n, (MPARAM)0);
+} // end of wxChoice::Delete
-void wxChoice::Clear()
+void wxChoice::DoClear()
{
- // TODO: SendMessage(GetHwnd(), CB_RESETCONTENT, 0, 0);
-}
+ ::WinSendMsg(GetHwnd(), LM_DELETEALL, (MPARAM)0, (MPARAM)0);
+} // end of wxChoice::Clear
// ----------------------------------------------------------------------------
// selection
int wxChoice::GetSelection() const
{
- // TODO: return (int)SendMessage(GetHwnd(), CB_GETCURSEL, 0, 0);
- return 0;
-}
+ return((int)LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYSELECTION, (MPARAM)LIT_FIRST, (MPARAM)0)));
+} // end of wxChoice::GetSelection
-void wxChoice::SetSelection(int n)
+void wxChoice::SetSelection(
+ int n
+)
{
- // TODO: SendMessage(GetHwnd(), CB_SETCURSEL, n, 0);
-}
+ ::WinSendMsg( GetHwnd()
+ ,LM_SELECTITEM
+ ,(MPARAM)n
+ ,(MPARAM)TRUE
+ );
+} // end of wxChoice::SetSelection
// ----------------------------------------------------------------------------
// string list functions
// ----------------------------------------------------------------------------
-int wxChoice::GetCount() const
-{
- // TODO: return (int)SendMessage(GetHwnd(), CB_GETCOUNT, 0, 0);
- return 0;
-}
-
-int wxChoice::FindString(const wxString& s) const
+unsigned int wxChoice::GetCount() const
{
- // TODO:
- /*
- int pos = (int)SendMessage(GetHwnd(), CB_FINDSTRINGEXACT,
- (WPARAM)-1, (LPARAM)s.c_str());
-
- return pos == LB_ERR ? wxNOT_FOUND : pos;
- */
- return 0;
-}
+ return((unsigned int)LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYITEMCOUNT, (MPARAM)0, (MPARAM)0)));
+} // end of wxChoice::GetCount
-void wxChoice::SetString(int n, const wxString& s)
+void wxChoice::SetString(unsigned int n, const wxString& rsStr)
{
- wxFAIL_MSG(wxT("not implemented"));
-
-#if 0 // should do this, but no Insert() so far
- Delete(n);
- Insert(n + 1, s);
-#endif
-}
+ LONG nIndexType = 0;
+ void* pData;
-wxString wxChoice::GetString(int n) const
-{
- size_t len = 0; // TODO: (size_t)::SendMessage(GetHwnd(), CB_GETLBTEXTLEN, n, 0);
- wxString str = "";
- // TODO:
- /*
- if (len) {
- if ( ::SendMessage(GetHwnd(), CB_GETLBTEXT, n,
- (LPARAM)str.GetWriteBuf(len)) == CB_ERR ) {
- wxLogLastError("SendMessage(CB_GETLBTEXT)");
- }
- str.UngetWriteBuf();
+ if ( HasClientData() )
+ {
+ pData = DoGetItemClientData(n);
+ }
+ else // no client data
+ {
+ pData = NULL;
}
- */
- return str;
-}
-// ----------------------------------------------------------------------------
-// client data
-// ----------------------------------------------------------------------------
+ ::WinSendMsg(GetHwnd(), LM_DELETEITEM, (MPARAM)n, 0);
-void wxChoice::DoSetItemClientData( int n, void* clientData )
-{
- // TODO:
- /*
- if ( SendMessage(GetHwnd(), CB_SETITEMDATA, n, (LPARAM)clientData) == CB_ERR )
+ if (m_windowStyle & wxCB_SORT)
+ nIndexType = LIT_SORTASCENDING;
+ else
+ nIndexType = LIT_END;
+ ::WinSendMsg( GetHwnd()
+ ,LM_INSERTITEM
+ ,(MPARAM)nIndexType
+ ,(MPARAM)rsStr.wx_str()
+ );
+
+ if (pData)
{
- wxLogLastError(wxT("CB_SETITEMDATA"));
+ DoSetItemClientData(n, pData);
}
- */
-}
+} // end of wxChoice::SetString
-void* wxChoice::DoGetItemClientData( int n ) const
+wxString wxChoice::GetString(unsigned int n) const
{
- // TODO:
- /*
- LPARAM rc = SendMessage(GetHwnd(), CB_GETITEMDATA, n, 0);
- if ( rc == CB_ERR )
- {
- wxLogLastError(wxT("CB_GETITEMDATA"));
+ int nLen = 0;
+ wxString sStr = wxEmptyString;
+ wxChar* zBuf;
- // unfortunately, there is no way to return an error code to the user
- rc = (LPARAM) NULL;
+ nLen = (size_t)LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYITEMTEXTLENGTH, (MPARAM)n, (MPARAM)0));
+ if (nLen != LIT_ERROR && nLen > 0)
+ {
+ zBuf = new wxChar[++nLen];
+ ::WinSendMsg( GetHwnd()
+ ,LM_QUERYITEMTEXT
+ ,MPFROM2SHORT((SHORT)n, (SHORT)nLen)
+ ,(MPARAM)zBuf
+ );
+ sStr = zBuf;
+ delete [] zBuf;
}
+ return sStr;
+} // end of wxChoice::GetString
- return (void *)rc;
- */
- return NULL;
-}
+// ----------------------------------------------------------------------------
+// client data
+// ----------------------------------------------------------------------------
-void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
+void wxChoice::DoSetItemClientData(unsigned int n, void* pClientData)
{
- DoSetItemClientData(n, clientData);
-}
+ ::WinSendMsg(GetHwnd(), LM_SETITEMHANDLE, (MPARAM)n, MPFROMP(pClientData));
+} // end of wxChoice::DoSetItemClientData
-wxClientData* wxChoice::DoGetItemClientObject( int n ) const
+void* wxChoice::DoGetItemClientData(unsigned int n) const
{
- return (wxClientData *)DoGetItemClientData(n);
-}
+ MRESULT rc = ::WinSendMsg(GetHwnd(), LM_QUERYITEMHANDLE, (MPARAM)n, (MPARAM)0);
+ return((void*)rc);
+} // end of wxChoice::DoGetItemClientData
// ----------------------------------------------------------------------------
// wxOS2 specific helpers
// ----------------------------------------------------------------------------
-void wxChoice::DoSetSize(int x, int y,
- int width, int height,
- int sizeFlags)
+void wxChoice::DoSetSize(int nX,
+ int nY,
+ int nWidth,
+ int WXUNUSED(nHeight),
+ int nSizeFlags)
{
+ //
// Ignore height parameter because height doesn't mean 'initially
// displayed' height, it refers to the drop-down menu as well. The
- // wxWindows interpretation is different; also, getting the size returns
+ // wxWidgets interpretation is different; also, getting the size returns
// the _displayed_ size (NOT the drop down menu size) so
// setting-getting-setting size would not work.
- wxControl::DoSetSize(x, y, width, -1, sizeFlags);
-}
+ //
+ wxControl::DoSetSize( nX
+ ,nY
+ ,nWidth
+ ,wxDefaultCoord
+ ,nSizeFlags
+ );
+} // end of wxChoice::DoSetSize
wxSize wxChoice::DoGetBestSize() const
{
- // find the widest string
- int wLine;
- int wChoice = 0;
- int nItems = GetCount();
- for ( int i = 0; i < nItems; i++ )
+ //
+ // Find the widest string
+ //
+ int nLineWidth;
+ int nChoiceWidth = 0;
+ int nCx;
+ int nCy;
+ wxFont vFont = (wxFont)GetFont();
+
+ const unsigned int nItems = GetCount();
+
+ for (unsigned int i = 0; i < nItems; i++)
{
- wxString str(GetString(i));
- GetTextExtent(str, &wLine, NULL);
- if ( wLine > wChoice )
- wChoice = wLine;
+ wxString sStr(GetString(i));
+ GetTextExtent( sStr, &nLineWidth, NULL );
+ if (nLineWidth > nChoiceWidth)
+ nChoiceWidth = nLineWidth;
}
- // give it some reasonable default value if there are no strings in the
+ //
+ // Give it some reasonable default value if there are no strings in the
// list
- if ( wChoice == 0 )
- wChoice = 100;
+ //
+ if (nChoiceWidth == 0L)
+ nChoiceWidth = 100L;
- // the combobox should be larger than the widest string
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
-
- wChoice += 5*cx;
+ //
+ // The combobox should be larger than the widest string
+ //
+ wxGetCharSize( GetHWND(), &nCx, &nCy, &vFont );
+ nChoiceWidth += 5 * nCx;
+ //
// Choice drop-down list depends on number of items (limited to 10)
+ //
size_t nStrings = nItems == 0 ? 10 : wxMin(10, nItems) + 1;
- int hChoice = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*nStrings;
+ int nChoiceHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * nStrings;
- return wxSize(wChoice, hChoice);
-}
+ return wxSize(nChoiceWidth, nChoiceHeight);
+} // end of wxChoice::DoGetBestSize
-MRESULT wxChoice::OS2WindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+MRESULT wxChoice::OS2WindowProc(
+ WXUINT uMsg
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
+{
+ return wxWindow::OS2WindowProc( uMsg
+ ,wParam
+ ,lParam
+ );
+} // end of wxChoice::OS2WindowProc
+
+bool wxChoice::OS2Command(
+ WXUINT uParam
+, WXWORD WXUNUSED(wId)
+)
{
- // TODO:
- /*
- if ( nMsg == WM_LBUTTONUP )
+ if (uParam != LN_SELECT)
{
- int x = (int)LOWORD(lParam);
- int y = (int)HIWORD(lParam);
-
- // Ok, this is truly weird, but if a panel with a wxChoice loses the
- // focus, then you get a *fake* WM_LBUTTONUP message with x = 65535 and
- // y = 65535. Filter out this nonsense.
//
- // VZ: I'd like to know how to reproduce this please...
- if ( x == 65535 && y == 65535 )
- return 0;
+ // "selection changed" is the only event we're after
+ //
+ return false;
}
- */
- return wxWindow::OS2WindowProc(nMsg, wParam, lParam);
-}
+ int n = GetSelection();
-bool wxChoice::OS2Command(WXUINT param, WXWORD WXUNUSED(id))
-{
- // TODO:
- /*
- if ( param != CBN_SELCHANGE)
+ if (n > -1)
{
- // "selection changed" is the only event we're after
- return FALSE;
+ wxCommandEvent vEvent( wxEVT_CHOICE
+ ,m_windowId
+ );
+
+ vEvent.SetInt(n);
+ vEvent.SetEventObject(this);
+ vEvent.SetString(GetStringSelection());
+ if (HasClientObjectData())
+ vEvent.SetClientObject(GetClientObject(n));
+ else if (HasClientUntypedData())
+ vEvent.SetClientData(GetClientData(n));
+ ProcessCommand(vEvent);
}
- */
- wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
- event.SetInt(GetSelection());
- event.SetEventObject(this);
-// TODO: event.SetString(GetStringSelection());
- ProcessCommand(event);
-
- return TRUE;
-}
+ return true;
+} // end of wxChoice::OS2Command
+#endif // wxUSE_CHOICE
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