///////////////////////////////////////////////////////////////////////////////
-// Name: listbox.cpp
+// Name: src/msw/listbox.cpp
// Purpose: wxListBox
// Author: Julian Smart
// Modified by: Vadim Zeitlin (owner drawn stuff)
#pragma hdrstop
#endif
-#include "wx/window.h"
-#include "wx/msw/private.h"
+#if wxUSE_LISTBOX
#ifndef WX_PRECOMP
#include "wx/listbox.h"
#include "wx/utils.h"
#endif
+#include "wx/window.h"
+#include "wx/msw/private.h"
+
#include <windowsx.h>
#ifdef __WXWINE__
#endif
#ifndef __TWIN32__
- #if defined(__GNUWIN32__)
- #ifndef wxUSE_NORLANDER_HEADERS
- #include <wx/msw/gnuwin32/extra.h>
- #endif
+ #ifdef __GNUWIN32_OLD__
+ #include "wx/msw/gnuwin32/extra.h"
#endif
#endif
#endif
#endif
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-#endif
// ============================================================================
// list box item declaration and implementation
SetMarginWidth(0);
}
-wxOwnerDrawn *wxListBox::CreateItem(size_t n)
+wxOwnerDrawn *wxListBox::CreateItem(size_t WXUNUSED(n))
{
return new wxListBoxItem();
}
m_selected = 0;
SetName(name);
+#if wxUSE_VALIDATORS
SetValidator(validator);
+#endif // wxUSE_VALIDATORS
if (parent)
parent->AddChild(this);
m_windowStyle = style;
DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP |
- LBS_NOTIFY | LBS_HASSTRINGS;
+ LBS_NOTIFY | LBS_HASSTRINGS /* | WS_CLIPSIBLINGS */;
+
+ wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+ _T("only one of listbox selection modes can be specified") );
+ if ( m_windowStyle & wxCLIP_SIBLINGS )
+ wstyle |= WS_CLIPSIBLINGS;
+
if (m_windowStyle & wxLB_MULTIPLE)
wstyle |= LBS_MULTIPLESEL;
else if (m_windowStyle & wxLB_EXTENDED)
SetSize(x, y, width, height);
- Show(TRUE);
-
return TRUE;
}
wxListBox::~wxListBox()
{
-#if wxUSE_OWNER_DRAWN
- size_t uiCount = m_aItems.Count();
- while ( uiCount-- != 0 ) {
- delete m_aItems[uiCount];
- }
-#endif // wxUSE_OWNER_DRAWN
+ Free();
}
void wxListBox::SetupColours()
wxCHECK_RET( N >= 0 && N < m_noItems,
wxT("invalid index in wxListBox::Delete") );
+ // for owner drawn objects, the data is used for storing wxOwnerDrawn
+ // pointers and we shouldn't touch it
+#if !wxUSE_OWNER_DRAWN
+ if ( !(m_windowStyle & wxLB_OWNERDRAW) )
+#endif // !wxUSE_OWNER_DRAWN
+ if ( HasClientObjectData() )
+ {
+ delete GetClientObject(N);
+ }
+
SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
m_noItems--;
pNewItem->SetName(item);
m_aItems.Add(pNewItem);
ListBox_SetItemData(GetHwnd(), index, pNewItem);
+ pNewItem->SetFont(GetFont());
}
#endif
void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
{
- ShowWindow(GetHwnd(), SW_HIDE);
+ // avoid flicker - but don't need to do this for a hidden listbox
+ bool hideAndShow = IsShown();
+ if ( hideAndShow )
+ {
+ ShowWindow(GetHwnd(), SW_HIDE);
+ }
ListBox_ResetContent(GetHwnd());
if ( clientData )
{
#if wxUSE_OWNER_DRAWN
- wxASSERT_MSG(clientData[ui] == NULL,
- wxT("Can't use client data with owner-drawn listboxes"));
+ if ( m_windowStyle & wxLB_OWNERDRAW )
+ {
+ wxASSERT_MSG(clientData[i] == NULL,
+ wxT("Can't use client data with owner-drawn listboxes"));
+ }
+ ListBox_SetItemData(GetHwnd(), i, clientData[i]);
#else // !wxUSE_OWNER_DRAWN
ListBox_SetItemData(GetHwnd(), i, clientData[i]);
#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
SetHorizontalExtent();
- ShowWindow(GetHwnd(), SW_SHOW);
+ if ( hideAndShow )
+ {
+ // show the listbox back if we hid it
+ ShowWindow(GetHwnd(), SW_SHOW);
+ }
}
int wxListBox::FindString(const wxString& s) const
void wxListBox::Clear()
{
+ Free();
+
ListBox_ResetContent(GetHwnd());
+ m_noItems = 0;
+ SetHorizontalExtent();
+}
+
+void wxListBox::Free()
+{
#if wxUSE_OWNER_DRAWN
- size_t uiCount = m_aItems.Count();
- while ( uiCount-- != 0 ) {
- delete m_aItems[uiCount];
- }
+ if ( m_windowStyle & wxLB_OWNERDRAW )
+ {
+ size_t uiCount = m_aItems.Count();
+ while ( uiCount-- != 0 ) {
+ delete m_aItems[uiCount];
+ }
- m_aItems.Clear();
+ m_aItems.Clear();
+ }
+ else
#endif // wxUSE_OWNER_DRAWN
-
- m_noItems = 0;
- SetHorizontalExtent();
+ if ( HasClientObjectData() )
+ {
+ for ( size_t n = 0; n < (size_t)m_noItems; n++ )
+ {
+ delete GetClientObject(n);
+ }
+ }
}
void wxListBox::SetSelection(int N, bool select)
return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
}
-wxClientData* wxListBox::DoGetClientObject(int n) const
+wxClientData* wxListBox::DoGetItemClientObject(int n) const
{
- return (wxClientData *)DoGetClientData(n);
+ return (wxClientData *)DoGetItemClientData(n);
}
-void *wxListBox::DoGetClientData(int n) const
+void *wxListBox::DoGetItemClientData(int n) const
{
wxCHECK_MSG( n >= 0 && n < m_noItems, NULL,
wxT("invalid index in wxListBox::GetClientData") );
return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0);
}
-void wxListBox::DoSetClientObject(int n, wxClientData* clientData)
+void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
{
- DoSetClientData(n, clientData);
+ DoSetItemClientData(n, clientData);
}
-void wxListBox::DoSetClientData(int n, void *clientData)
+void wxListBox::DoSetItemClientData(int n, void *clientData)
{
wxCHECK_RET( n >= 0 && n < m_noItems,
wxT("invalid index in wxListBox::SetClientData") );
wxLogDebug(wxT("LB_SETITEMDATA failed"));
}
-bool wxListBox::HasMultipleSelection() const
-{
- return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
-}
-
// Return number of selections and an array of selected integers
int wxListBox::GetSelections(wxArrayInt& aSelections) const
{
}
else // single-selection listbox
{
- aSelections.Add(ListBox_GetCurSel(GetHwnd()));
+ if (ListBox_GetCurSel(GetHwnd()) > -1)
+ aSelections.Add(ListBox_GetCurSel(GetHwnd()));
- return 1;
+ return aSelections.Count();
}
}
{
wxCHECK_MSG( !HasMultipleSelection(),
-1,
- wxT("GetSelection() can't be used with multiple-selection "
- "listboxes, use GetSelections() instead.") );
+ wxT("GetSelection() can't be used with multiple-selection listboxes, use GetSelections() instead.") );
return ListBox_GetCurSel(GetHwnd());
}
void *oldData = NULL;
wxClientData *oldObjData = NULL;
- if ( m_clientDataItemsType == ClientData_Void )
+ if ( m_clientDataItemsType == wxClientData_Void )
oldData = GetClientData(N);
- else if ( m_clientDataItemsType == ClientData_Object )
+ else if ( m_clientDataItemsType == wxClientData_Object )
oldObjData = GetClientObject(N);
// delete and recreate it
}
}
-wxSize wxListBox::DoGetBestSize()
+wxSize wxListBox::DoGetBestSize() const
{
// find the widest string
int wLine;
wListbox += 3*cx;
- int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7));
+ // 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)*
+ wxMin(wxMax(m_noItems, 3), 10);
return wxSize(wListbox, hListbox);
}
bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
- /*
- if (param == LBN_SELCANCEL)
- {
- event.extraLong = FALSE;
- }
- */
- if (param == LBN_SELCHANGE)
+ wxEventType evtType;
+ if ( param == LBN_SELCHANGE )
{
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
- wxArrayInt aSelections;
- int count = GetSelections(aSelections);
- if ( count > 0 )
- {
- event.m_commandInt = aSelections[0];
- event.m_clientData = GetClientData(event.m_commandInt);
- wxString str(GetString(event.m_commandInt));
- if (str != wxT(""))
- {
- event.m_commandString = str;
- }
- }
- else
- {
- event.m_commandInt = -1;
- event.m_commandString.Empty();
- }
-
- event.SetEventObject( this );
- ProcessCommand(event);
- return TRUE;
+ evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
}
- else if (param == LBN_DBLCLK)
+ else if ( param == LBN_DBLCLK )
{
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent(event);
- return TRUE;
+ evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+ }
+ else
+ {
+ // some event we're not interested in
+ return FALSE;
}
- return FALSE;
-}
+ wxCommandEvent event(evtType, m_windowId);
+ event.SetEventObject( this );
-WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
+ wxArrayInt aSelections;
+ int n, count = GetSelections(aSelections);
+ if ( count > 0 )
{
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
+ n = aSelections[0];
+ if ( HasClientObjectData() )
+ event.SetClientObject( GetClientObject(n) );
+ else if ( HasClientUntypedData() )
+ event.SetClientData( GetClientData(n) );
+ event.SetString( GetString(n) );
}
-#endif
-
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
else
- SetBkMode((HDC) pDC, OPAQUE);
-
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+ {
+ n = -1;
+ }
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+ event.m_commandInt = n;
- // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
- // has a zero usage count.
- backgroundBrush->RealizeResource();
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ return GetEventHandler()->ProcessEvent(event);
}
// ----------------------------------------------------------------------------
MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
+ HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);
+
wxDC dc;
- dc.SetHDC((WXHDC)CreateIC(wxT("DISPLAY"), NULL, NULL, 0));
+ dc.SetHDC((WXHDC)hdc);
dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
pStruct->itemWidth = dc.GetCharWidth();
+ dc.SetHDC(0);
+
+ DeleteDC(hdc);
+
return TRUE;
}
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 )
+ return FALSE;
long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID);
wxListBoxItem *pItem = (wxListBoxItem *)data;
- wxDC dc;
- dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
+ wxDCTemp dc((WXHDC)pStruct->hDC);
wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top),
- wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
+ wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
return pItem->OnDrawItem(dc, rect,
- (wxOwnerDrawn::wxODAction)pStruct->itemAction,
- (wxOwnerDrawn::wxODStatus)pStruct->itemState);
+ (wxOwnerDrawn::wxODAction)pStruct->itemAction,
+ (wxOwnerDrawn::wxODStatus)pStruct->itemState);
}
-#endif
- // wxUSE_OWNER_DRAWN
+#endif // wxUSE_OWNER_DRAWN
+
+#endif // wxUSE_LISTBOX
projects / wxWidgets.git / blobdiff