#endif
#include "wx/msw/private.h"
+#include "wx/msw/dc.h"
#include <windowsx.h>
wxFLAGS_MEMBER(wxLB_HSCROLL)
wxFLAGS_MEMBER(wxLB_ALWAYS_SB)
wxFLAGS_MEMBER(wxLB_NEEDED_SB)
+ wxFLAGS_MEMBER(wxLB_NO_SB)
wxFLAGS_MEMBER(wxLB_SORT)
wxEND_FLAGS( wxListBoxStyle )
wxListBox::wxListBox()
{
m_noItems = 0;
- m_selected = 0;
+ m_updateHorizontalExtent = false;
}
bool wxListBox::Create(wxWindow *parent,
const wxString& name)
{
m_noItems = 0;
- m_selected = 0;
+ m_updateHorizontalExtent = false;
// initialize base class fields
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
// create the native control
- if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) )
+ if ( !MSWCreateControl(wxT("LISTBOX"), wxEmptyString, pos, size) )
{
// control creation failed
return false;
Append(choices[i]);
}
- // now we can compute our best size correctly, so do it if necessary
+ // now we can compute our best size correctly, so do it again
+ InvalidateBestSize();
SetInitialSize(size);
return true;
wxListBox::~wxListBox()
{
- Free();
+ Clear();
}
WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
{
WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
- // always show the vertical scrollbar if necessary -- otherwise it is
- // impossible to use the control with the mouse
- msStyle |= WS_VSCROLL;
-
// we always want to get the notifications
msStyle |= LBS_NOTIFY;
msStyle |= LBS_NOINTEGRALHEIGHT;
wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
- _T("only one of listbox selection modes can be specified") );
+ wxT("only one of listbox selection modes can be specified") );
if ( style & wxLB_MULTIPLE )
msStyle |= LBS_MULTIPLESEL;
else if ( style & wxLB_EXTENDED )
msStyle |= LBS_EXTENDEDSEL;
- if ( m_windowStyle & wxLB_ALWAYS_SB )
- msStyle |= LBS_DISABLENOSCROLL;
+ wxASSERT_MSG( !(style & wxLB_ALWAYS_SB) || !(style & wxLB_NO_SB),
+ wxT( "Conflicting styles wxLB_ALWAYS_SB and wxLB_NO_SB." ) );
+
+ if ( !(style & wxLB_NO_SB) )
+ {
+ msStyle |= WS_VSCROLL;
+ if ( style & wxLB_ALWAYS_SB )
+ msStyle |= LBS_DISABLENOSCROLL;
+ }
+
if ( m_windowStyle & wxLB_HSCROLL )
msStyle |= WS_HSCROLL;
if ( m_windowStyle & wxLB_SORT )
return msStyle;
}
+void wxListBox::OnInternalIdle()
+{
+ wxWindow::OnInternalIdle();
+
+ if (m_updateHorizontalExtent)
+ {
+ SetHorizontalExtent(wxEmptyString);
+ m_updateHorizontalExtent = false;
+ }
+}
+
// ----------------------------------------------------------------------------
// implementation of wxListBoxBase methods
// ----------------------------------------------------------------------------
SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
m_noItems--;
- SetHorizontalExtent(wxEmptyString);
+ // SetHorizontalExtent(wxEmptyString); can be slow
+ m_updateHorizontalExtent = true;
+
+ UpdateOldSelections();
}
int wxListBox::FindString(const wxString& s, bool bCase) const
ListBox_ResetContent(GetHwnd());
m_noItems = 0;
- SetHorizontalExtent();
+ m_updateHorizontalExtent = true;
+
+ UpdateOldSelections();
}
void wxListBox::Free()
{
SendMessage(GetHwnd(), LB_SETCURSEL, select ? N : -1, 0);
}
+
+ UpdateOldSelections();
}
bool wxListBox::IsSelected(int N) const
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetClientData") );
-#if wxUSE_OWNER_DRAWN
- if ( m_windowStyle & wxLB_OWNERDRAW )
- {
- // client data must be pointer to wxOwnerDrawn, otherwise we would crash
- // in OnMeasure/OnDraw.
- wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
- }
-#endif // wxUSE_OWNER_DRAWN
-
if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR )
+ {
wxLogDebug(wxT("LB_SETITEMDATA failed"));
+ }
}
// Return number of selections and an array of selected integers
int countSel = ListBox_GetSelCount(GetHwnd());
if ( countSel == LB_ERR )
{
- wxLogDebug(_T("ListBox_GetSelCount failed"));
+ wxLogDebug(wxT("ListBox_GetSelCount failed"));
}
else if ( countSel != 0 )
{
pNewItem->SetName(items[i]);
pNewItem->SetFont(GetFont());
m_aItems.Insert(pNewItem, n);
-
- ListBox_SetItemData(GetHwnd(), n, pNewItem);
}
#endif // wxUSE_OWNER_DRAWN
AssignNewItemClientData(n, clientData, i, type);
}
- SetHorizontalExtent();
+ m_updateHorizontalExtent = true;
+
+ UpdateOldSelections();
return n;
}
int wxListBox::DoListHitTest(const wxPoint& point) const
{
- LRESULT lRes = ::SendMessage(GetHwnd(), LB_ITEMFROMPOINT,
- 0L, MAKELONG(point.x, point.y));
+ LRESULT lRes = ::SendMessage(GetHwnd(), LB_ITEMFROMPOINT,
+ 0, MAKELPARAM(point.x, point.y));
// non zero high-order word means that this item is outside of the client
// area, IOW the point is outside of the listbox
- return HIWORD(lRes) ? wxNOT_FOUND : lRes;
+ return HIWORD(lRes) ? wxNOT_FOUND : LOWORD(lRes);
}
void wxListBox::SetString(unsigned int n, const wxString& s)
{
// update item's text
m_aItems[n]->SetName(s);
-
- // reassign the item's data
- ListBox_SetItemData(GetHwnd(), n, m_aItems[n]);
}
#endif //USE_OWNER_DRAWN
if ( wasSelected )
Select(n);
- SetHorizontalExtent();
+ m_updateHorizontalExtent = true;
}
unsigned int wxListBox::GetCount() const
//else: it shouldn't change
}
-wxSize wxListBox::DoGetBestSize() const
+wxSize wxListBox::DoGetBestClientSize() const
{
// find the widest string
int wLine;
wListbox = 100;
// the listbox should be slightly larger than the widest string
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
-
- wListbox += 3*cx;
+ wListbox += 3*GetCharWidth();
- // Add room for the scrollbar
+ // add room for the scrollbar
wListbox += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
// don't make the listbox too tall (limit height to 10 items) but don't
// make it too small neither
- int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*
+ int hListbox = SendMessage(GetHwnd(), LB_GETITEMHEIGHT, 0, 0)*
wxMin(wxMax(m_noItems, 3), 10);
- wxSize best(wListbox, hListbox);
- CacheBestSize(best);
- return best;
+ return wxSize(wListbox, hListbox);
}
// ----------------------------------------------------------------------------
bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
+ if ((param == LBN_SELCHANGE) && HasMultipleSelection())
+ {
+ CalcAndSendEvent();
+ return true;
+ }
+
wxEventType evtType;
+ int n;
if ( param == LBN_SELCHANGE )
{
evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
+ n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0);
+
+ // NB: conveniently enough, LB_ERR is the same as wxNOT_FOUND
}
else if ( param == LBN_DBLCLK )
{
evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+ n = HitTest(ScreenToClient(wxGetMousePosition()));
}
else
{
return false;
}
- wxCommandEvent event(evtType, m_windowId);
- event.SetEventObject( this );
-
// retrieve the affected item
- int n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0);
- if ( n != LB_ERR )
- {
- if ( HasClientObjectData() )
- event.SetClientObject( GetClientObject(n) );
- else if ( HasClientUntypedData() )
- event.SetClientData( GetClientData(n) );
+ if ( n == wxNOT_FOUND )
+ return false;
- event.SetString(GetString(n));
- event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : true );
- }
+ wxCommandEvent event(evtType, m_windowId);
+ event.SetEventObject(this);
+
+ if ( HasClientObjectData() )
+ event.SetClientObject( GetClientObject(n) );
+ else if ( HasClientUntypedData() )
+ event.SetClientData( GetClientData(n) );
+ event.SetString(GetString(n));
event.SetInt(n);
return HandleWindowEvent(event);
wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false );
DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
- UINT itemID = pStruct->itemID;
// the item may be -1 for an empty listbox
- if ( itemID == (UINT)-1 )
+ if ( pStruct->itemID == (UINT)-1 )
return false;
- LRESULT data = ListBox_GetItemData(GetHwnd(), pStruct->itemID);
-
- wxCHECK( data && (data != LB_ERR), false );
-
- wxListBoxItem *pItem = (wxListBoxItem *)data;
+ wxListBoxItem *pItem = (wxListBoxItem *)m_aItems[pStruct->itemID];
wxDCTemp dc((WXHDC)pStruct->hDC);
- wxPoint pt1(pStruct->rcItem.left, pStruct->rcItem.top);
- wxPoint pt2(pStruct->rcItem.right, pStruct->rcItem.bottom);
- wxRect rect(pt1, pt2);
- return pItem->OnDrawItem(dc, rect,
+ return pItem->OnDrawItem(dc, wxRectFromRECT(pStruct->rcItem),
(wxOwnerDrawn::wxODAction)pStruct->itemAction,
(wxOwnerDrawn::wxODStatus)pStruct->itemState);
}
projects / wxWidgets.git / blobdiff