///////////////////////////////////////////////////////////////////////////////
-// Name: listbox.cpp
+// Name: src/msw/listbox.cpp
// Purpose: wxListBox
// Author: Julian Smart
// Modified by: Vadim Zeitlin (owner drawn stuff)
// Created:
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "listbox.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
-#include "wx/window.h"
-#include "wx/msw/private.h"
+#if wxUSE_LISTBOX
-#ifndef WX_PRECOMP
#include "wx/listbox.h"
-#include "wx/settings.h"
-#include "wx/brush.h"
-#include "wx/font.h"
-#include "wx/dc.h"
-#include "wx/utils.h"
-#endif
-#include <windowsx.h>
-
-#ifdef __WXWINE__
- #if defined(GetWindowStyle)
- #undef GetWindowStyle
- #endif
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/settings.h"
+ #include "wx/brush.h"
+ #include "wx/font.h"
+ #include "wx/dc.h"
+ #include "wx/utils.h"
+ #include "wx/log.h"
+ #include "wx/window.h"
#endif
-#include "wx/dynarray.h"
-#include "wx/log.h"
+#include "wx/msw/private.h"
+
+#include <windowsx.h>
#if wxUSE_OWNER_DRAWN
#include "wx/ownerdrw.h"
#endif
-#ifndef __TWIN32__
- #if defined(__GNUWIN32__)
- #ifndef wxUSE_NORLANDER_HEADERS
- #include <wx/msw/gnuwin32/extra.h>
- #endif
- #endif
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxListBoxStyle )
+
+wxBEGIN_FLAGS( wxListBoxStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxBORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+ wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+ wxFLAGS_MEMBER(wxWANTS_CHARS)
+ wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+ wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+ wxFLAGS_MEMBER(wxVSCROLL)
+ wxFLAGS_MEMBER(wxHSCROLL)
+
+ wxFLAGS_MEMBER(wxLB_SINGLE)
+ wxFLAGS_MEMBER(wxLB_MULTIPLE)
+ wxFLAGS_MEMBER(wxLB_EXTENDED)
+ wxFLAGS_MEMBER(wxLB_HSCROLL)
+ wxFLAGS_MEMBER(wxLB_ALWAYS_SB)
+ wxFLAGS_MEMBER(wxLB_NEEDED_SB)
+ wxFLAGS_MEMBER(wxLB_SORT)
+
+wxEND_FLAGS( wxListBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl,"wx/listbox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxListBox)
+ wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent )
+ wxEVENT_PROPERTY( DoubleClick , wxEVT_COMMAND_LISTBOX_DOUBLECLICKED , wxCommandEvent )
+
+ wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+ wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+ wxPROPERTY_FLAGS( WindowStyle , wxListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxListBox)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
+#else
+IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
#endif
-#ifdef __WXWINE__
- #ifndef ListBox_SetItemData
- #define ListBox_SetItemData(hwndCtl, index, data) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_SETITEMDATA, (WPARAM)(int)(index), (LPARAM)(data)))
- #endif
- #ifndef ListBox_GetHorizontalExtent
- #define ListBox_GetHorizontalExtent(hwndCtl) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_GETHORIZONTALEXTENT, 0L, 0L))
- #endif
- #ifndef ListBox_GetSelCount
- #define ListBox_GetSelCount(hwndCtl) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELCOUNT, 0L, 0L))
- #endif
- #ifndef ListBox_GetSelItems
- #define ListBox_GetSelItems(hwndCtl, cItems, lpItems) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELITEMS, (WPARAM)(int)(cItems), (LPARAM)(int *)(lpItems)))
- #endif
- #ifndef ListBox_GetTextLen
- #define ListBox_GetTextLen(hwndCtl, index) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXTLEN, (WPARAM)(int)(index), 0L))
- #endif
- #ifndef ListBox_GetText
- #define ListBox_GetText(hwndCtl, index, lpszBuffer) \
- ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXT, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpszBuffer)))
- #endif
-#endif
-
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-#endif
+/*
+TODO PROPERTIES
+ selection
+ content
+ item
+*/
// ============================================================================
// list box item declaration and implementation
class wxListBoxItem : public wxOwnerDrawn
{
public:
- wxListBoxItem(const wxString& str = "");
+ wxListBoxItem(const wxString& str = wxEmptyString);
};
-wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
+wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, false)
{
// no bitmaps/checkmarks
SetMarginWidth(0);
}
-wxOwnerDrawn *wxListBox::CreateItem(size_t n)
+wxOwnerDrawn *wxListBox::CreateLboxItem(size_t WXUNUSED(n))
{
return new wxListBoxItem();
}
const wxString& name)
{
m_noItems = 0;
- m_hWnd = 0;
m_selected = 0;
- SetName(name);
- SetValidator(validator);
-
- if (parent)
- parent->AddChild(this);
-
- wxSystemSettings settings;
- SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(parent->GetForegroundColour());
+ // initialize base class fields
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
- m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
-
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
- m_windowStyle = style;
-
- DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP |
- LBS_NOTIFY | LBS_HASSTRINGS;
- if (m_windowStyle & wxLB_MULTIPLE)
- wstyle |= LBS_MULTIPLESEL;
- else if (m_windowStyle & wxLB_EXTENDED)
- wstyle |= LBS_EXTENDEDSEL;
-
- if (m_windowStyle & wxLB_ALWAYS_SB)
- wstyle |= LBS_DISABLENOSCROLL;
- if (m_windowStyle & wxLB_HSCROLL)
- wstyle |= WS_HSCROLL;
- if (m_windowStyle & wxLB_SORT)
- wstyle |= LBS_SORT;
-
-#if wxUSE_OWNER_DRAWN
- if ( m_windowStyle & wxLB_OWNERDRAW ) {
- // we don't support LBS_OWNERDRAWVARIABLE yet
- wstyle |= LBS_OWNERDRAWFIXED;
+ // create the native control
+ if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) )
+ {
+ // control creation failed
+ return false;
}
-#endif
-
- // Without this style, you get unexpected heights, so e.g. constraint layout
- // doesn't work properly
- wstyle |= LBS_NOINTEGRALHEIGHT;
-
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
- // Even with extended styles, need to combine with WS_BORDER for them to
- // look right.
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
+ // initialize the contents
+ for ( int i = 0; i < n; i++ )
{
- wstyle |= WS_BORDER;
+ Append(choices[i]);
}
- m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("LISTBOX"), NULL,
- wstyle | WS_CHILD,
- 0, 0, 0, 0,
- (HWND)parent->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL);
+ // now we can compute our best size correctly, so do it if necessary
+ SetBestSize(size);
- wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create listbox") );
+ return true;
+}
-#if wxUSE_CTL3D
- if (want3D)
- {
- Ctl3dSubclassCtl(GetHwnd());
- m_useCtl3D = TRUE;
- }
-#endif
+bool wxListBox::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ wxCArrayString chs(choices);
+ return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+ style, validator, name);
+}
+
+wxListBox::~wxListBox()
+{
+ Free();
+}
- // Subclass again to catch messages
- SubclassWin(m_hWnd);
+WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
- size_t ui;
- for (ui = 0; ui < (size_t)n; ui++) {
- Append(choices[ui]);
- }
+ // always show the vertical scrollbar if necessary -- otherwise it is
+ // impossible to use the control with the mouse
+ msStyle |= WS_VSCROLL;
- if ( (m_windowStyle & wxLB_MULTIPLE) == 0 )
- SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0);
+ // we always want to get the notifications
+ msStyle |= LBS_NOTIFY;
- SetFont(parent->GetFont());
+ // without this style, you get unexpected heights, so e.g. constraint
+ // layout doesn't work properly
+ msStyle |= LBS_NOINTEGRALHEIGHT;
- SetSize(x, y, width, height);
+ wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+ _T("only one of listbox selection modes can be specified") );
- Show(TRUE);
+ if ( style & wxLB_MULTIPLE )
+ msStyle |= LBS_MULTIPLESEL;
+ else if ( style & wxLB_EXTENDED )
+ msStyle |= LBS_EXTENDEDSEL;
- return TRUE;
-}
+ if ( m_windowStyle & wxLB_ALWAYS_SB )
+ msStyle |= LBS_DISABLENOSCROLL;
+ if ( m_windowStyle & wxLB_HSCROLL )
+ msStyle |= WS_HSCROLL;
+ if ( m_windowStyle & wxLB_SORT )
+ msStyle |= LBS_SORT;
-wxListBox::~wxListBox()
-{
-#if wxUSE_OWNER_DRAWN
- size_t uiCount = m_aItems.Count();
- while ( uiCount-- != 0 ) {
- delete m_aItems[uiCount];
+#if wxUSE_OWNER_DRAWN && !defined(__WXWINCE__)
+ if ( m_windowStyle & wxLB_OWNERDRAW )
+ {
+ // we don't support LBS_OWNERDRAWVARIABLE yet and we also always put
+ // the strings in the listbox for simplicity even though we could have
+ // avoided it in this case
+ msStyle |= LBS_OWNERDRAWFIXED | LBS_HASSTRINGS;
}
#endif // wxUSE_OWNER_DRAWN
-}
-void wxListBox::SetupColours()
-{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(GetParent()->GetForegroundColour());
+ return msStyle;
}
// ----------------------------------------------------------------------------
void wxListBox::DoSetFirstItem(int N)
{
- wxCHECK_RET( N >= 0 && N < m_noItems,
+ wxCHECK_RET( IsValid(N),
wxT("invalid index in wxListBox::SetFirstItem") );
SendMessage(GetHwnd(), LB_SETTOPINDEX, (WPARAM)N, (LPARAM)0);
}
-void wxListBox::Delete(int N)
+void wxListBox::Delete(unsigned int n)
{
- wxCHECK_RET( N >= 0 && N < m_noItems,
+ wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::Delete") );
- SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
+ // 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--;
- SetHorizontalExtent("");
+ SetHorizontalExtent(wxEmptyString);
}
int wxListBox::DoAppend(const wxString& item)
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW ) {
- wxOwnerDrawn *pNewItem = CreateItem(index); // dummy argument
+ wxOwnerDrawn *pNewItem = CreateLboxItem(index); // dummy argument
pNewItem->SetName(item);
- m_aItems.Add(pNewItem);
+ m_aItems.Insert(pNewItem, index);
ListBox_SetItemData(GetHwnd(), index, pNewItem);
+ pNewItem->SetFont(GetFont());
}
-#endif
+#endif // wxUSE_OWNER_DRAWN
SetHorizontalExtent(item);
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());
m_noItems = choices.GetCount();
- int i;
+ unsigned int i;
for (i = 0; i < m_noItems; i++)
{
ListBox_AddString(GetHwnd(), choices[i]);
if ( clientData )
{
-#if wxUSE_OWNER_DRAWN
- wxASSERT_MSG(clientData[ui] == NULL,
- wxT("Can't use client data with owner-drawn listboxes"));
-#else // !wxUSE_OWNER_DRAWN
- ListBox_SetItemData(GetHwnd(), i, clientData[i]);
-#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
+ SetClientData(i, clientData[i]);
}
}
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW ) {
// first delete old items
- size_t ui = m_aItems.Count();
- while ( ui-- != 0 ) {
- delete m_aItems[ui];
- }
- m_aItems.Empty();
+ WX_CLEAR_ARRAY(m_aItems);
// then create new ones
- for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
- wxOwnerDrawn *pNewItem = CreateItem(ui);
+ for ( unsigned int ui = 0; ui < m_noItems; ui++ ) {
+ wxOwnerDrawn *pNewItem = CreateLboxItem(ui);
pNewItem->SetName(choices[ui]);
m_aItems.Add(pNewItem);
ListBox_SetItemData(GetHwnd(), ui, pNewItem);
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
+int wxListBox::FindString(const wxString& s, bool bCase) const
{
- int pos = ListBox_FindStringExact(GetHwnd(), (WPARAM)-1, s);
+ // back to base class search for not native search type
+ if (bCase)
+ return wxItemContainerImmutable::FindString( s, bCase );
+
+ int pos = ListBox_FindStringExact(GetHwnd(), -1, s);
if (pos == LB_ERR)
return wxNOT_FOUND;
else
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 )
+ {
+ WX_CLEAR_ARRAY(m_aItems);
}
-
- m_aItems.Clear();
+ else
#endif // wxUSE_OWNER_DRAWN
-
- m_noItems = 0;
- SetHorizontalExtent();
+ if ( HasClientObjectData() )
+ {
+ for ( unsigned int n = 0; n < m_noItems; n++ )
+ {
+ delete GetClientObject(n);
+ }
+ }
}
-void wxListBox::SetSelection(int N, bool select)
+void wxListBox::DoSetSelection(int N, bool select)
{
- wxCHECK_RET( N >= 0 && N < m_noItems,
+ wxCHECK_RET( N == wxNOT_FOUND || IsValid(N),
wxT("invalid index in wxListBox::SetSelection") );
if ( HasMultipleSelection() )
bool wxListBox::IsSelected(int N) const
{
- wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
+ wxCHECK_MSG( IsValid(N), false,
wxT("invalid index in wxListBox::Selected") );
- return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
+ return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true;
}
-wxClientData* wxListBox::DoGetClientObject(int n) const
+wxClientData* wxListBox::DoGetItemClientObject(unsigned int n) const
{
- return (wxClientData *)DoGetClientData(n);
+ return (wxClientData *)DoGetItemClientData(n);
}
-void *wxListBox::DoGetClientData(int n) const
+void *wxListBox::DoGetItemClientData(unsigned int n) const
{
- wxCHECK_MSG( n >= 0 && n < m_noItems, NULL,
+ wxCHECK_MSG( IsValid(n), 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(unsigned int n, wxClientData* clientData)
{
- DoSetClientData(n, clientData);
+ DoSetItemClientData(n, clientData);
}
-void wxListBox::DoSetClientData(int n, void *clientData)
+void wxListBox::DoSetItemClientData(unsigned int n, void *clientData)
{
- wxCHECK_RET( n >= 0 && n < m_noItems,
+ wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetClientData") );
#if wxUSE_OWNER_DRAWN
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
{
if ( HasMultipleSelection() )
{
- int no_sel = ListBox_GetSelCount(GetHwnd());
- if (no_sel != 0) {
- int *selections = new int[no_sel];
- int rc = ListBox_GetSelItems(GetHwnd(), no_sel, selections);
-
- wxCHECK_MSG(rc != LB_ERR, -1, wxT("ListBox_GetSelItems failed"));
+ int countSel = ListBox_GetSelCount(GetHwnd());
+ if ( countSel == LB_ERR )
+ {
+ wxLogDebug(_T("ListBox_GetSelCount failed"));
+ }
+ else if ( countSel != 0 )
+ {
+ int *selections = new int[countSel];
- aSelections.Alloc(no_sel);
- for ( int n = 0; n < no_sel; n++ )
- aSelections.Add(selections[n]);
+ if ( ListBox_GetSelItems(GetHwnd(),
+ countSel, selections) == LB_ERR )
+ {
+ wxLogDebug(wxT("ListBox_GetSelItems failed"));
+ countSel = -1;
+ }
+ else
+ {
+ aSelections.Alloc(countSel);
+ for ( int n = 0; n < countSel; n++ )
+ aSelections.Add(selections[n]);
+ }
delete [] selections;
}
- return no_sel;
+ return countSel;
}
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());
}
// Find string for position
-wxString wxListBox::GetString(int N) const
+wxString wxListBox::GetString(unsigned int n) const
{
- wxCHECK_MSG( N >= 0 && N < m_noItems, "",
- wxT("invalid index in wxListBox::GetClientData") );
+ wxCHECK_MSG( IsValid(n), wxEmptyString,
+ wxT("invalid index in wxListBox::GetString") );
- int len = ListBox_GetTextLen(GetHwnd(), N);
+ int len = ListBox_GetTextLen(GetHwnd(), n);
// +1 for terminating NUL
wxString result;
- ListBox_GetText(GetHwnd(), N, result.GetWriteBuf(len + 1));
- result.UngetWriteBuf();
+ ListBox_GetText(GetHwnd(), n, (wxChar*)wxStringBuffer(result, len + 1));
return result;
}
void
-wxListBox::DoInsertItems(const wxArrayString& items, int pos)
+wxListBox::DoInsertItems(const wxArrayString& items, unsigned int pos)
{
- wxCHECK_RET( pos >= 0 && pos <= m_noItems,
+ wxCHECK_RET( IsValidInsert(pos),
wxT("invalid index in wxListBox::InsertItems") );
- int nItems = items.GetCount();
- for ( int i = 0; i < nItems; i++ )
- ListBox_InsertString(GetHwnd(), i + pos, items[i]);
+ unsigned int nItems = items.GetCount();
+ for ( unsigned int i = 0; i < nItems; i++ )
+ {
+ int idx = ListBox_InsertString(GetHwnd(), i + pos, items[i]);
+
+#if wxUSE_OWNER_DRAWN
+ if ( m_windowStyle & wxLB_OWNERDRAW )
+ {
+ wxOwnerDrawn *pNewItem = CreateLboxItem(idx);
+ pNewItem->SetName(items[i]);
+ pNewItem->SetFont(GetFont());
+ m_aItems.Insert(pNewItem, idx);
+
+ ListBox_SetItemData(GetHwnd(), idx, pNewItem);
+ }
+#else
+ wxUnusedVar(idx);
+#endif // wxUSE_OWNER_DRAWN
+ }
+
m_noItems += nItems;
SetHorizontalExtent();
}
-void wxListBox::SetString(int N, const wxString& s)
+int wxListBox::DoListHitTest(const wxPoint& point) const
{
- wxCHECK_RET( N >= 0 && N < m_noItems,
+ LRESULT lRes = ::SendMessage(GetHwnd(), LB_ITEMFROMPOINT,
+ 0L, MAKELONG(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;
+}
+
+void wxListBox::SetString(unsigned int n, const wxString& s)
+{
+ wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetString") );
// remember the state of the item
- bool wasSelected = IsSelected(N);
+ bool wasSelected = IsSelected(n);
void *oldData = NULL;
wxClientData *oldObjData = NULL;
- if ( m_clientDataItemsType == ClientData_Void )
- oldData = GetClientData(N);
- else if ( m_clientDataItemsType == ClientData_Object )
- oldObjData = GetClientObject(N);
+ if ( m_clientDataItemsType == wxClientData_Void )
+ oldData = GetClientData(n);
+ else if ( m_clientDataItemsType == wxClientData_Object )
+ oldObjData = GetClientObject(n);
// delete and recreate it
- SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
+ SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
- int newN = N;
- if ( N == m_noItems - 1 )
+ int newN = n;
+ if ( n == (m_noItems - 1) )
newN = -1;
ListBox_InsertString(GetHwnd(), newN, s);
// restore the client data
if ( oldData )
- SetClientData(N, oldData);
+ SetClientData(n, oldData);
else if ( oldObjData )
- SetClientObject(N, oldObjData);
-
- // we may have lost the selection
- if ( wasSelected )
- Select(N);
+ SetClientObject(n, oldObjData);
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW )
+ {
// update item's text
- m_aItems[N]->SetName(s);
+ m_aItems[n]->SetName(s);
+
+ // reassign the item's data
+ ListBox_SetItemData(GetHwnd(), n, m_aItems[n]);
+ }
#endif //USE_OWNER_DRAWN
+
+ // we may have lost the selection
+ if ( wasSelected )
+ Select(n);
+
+ SetHorizontalExtent();
}
-int wxListBox::GetCount() const
+unsigned int wxListBox::GetCount() const
{
return m_noItems;
}
// ----------------------------------------------------------------------------
-// helpers
+// size-related stuff
// ----------------------------------------------------------------------------
-// Windows-specific code to set the horizontal extent of the listbox, if
-// necessary. If s is non-NULL, it's used to calculate the horizontal extent.
-// Otherwise, all strings are used.
void wxListBox::SetHorizontalExtent(const wxString& s)
{
- // Only necessary if we want a horizontal scrollbar
- if (!(m_windowStyle & wxHSCROLL))
+ // in any case, our best size could have changed
+ InvalidateBestSize();
+
+ // the rest is only necessary if we want a horizontal scrollbar
+ if ( !HasFlag(wxHSCROLL) )
return;
- TEXTMETRIC lpTextMetric;
- if ( !s.IsEmpty() )
- {
- int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L);
- HDC dc = GetWindowDC(GetHwnd());
- HFONT oldFont = 0;
- if (GetFont().Ok() && GetFont().GetResourceHandle())
- oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
-
- GetTextMetrics(dc, &lpTextMetric);
- SIZE extentXY;
- ::GetTextExtentPoint(dc, (LPTSTR) (const wxChar *)s, s.Length(), &extentXY);
- int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
- if (oldFont)
- ::SelectObject(dc, oldFont);
+ WindowHDC dc(GetHwnd());
+ SelectInHDC selFont(dc, GetHfontOf(GetFont()));
- ReleaseDC(GetHwnd(), dc);
- if (extentX > existingExtent)
- SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L);
- }
- else
+ TEXTMETRIC lpTextMetric;
+ ::GetTextMetrics(dc, &lpTextMetric);
+
+ int largestExtent = 0;
+ SIZE extentXY;
+
+ if ( s.empty() )
{
- int largestExtent = 0;
- HDC dc = GetWindowDC(GetHwnd());
- HFONT oldFont = 0;
- if (GetFont().Ok() && GetFont().GetResourceHandle())
- oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
-
- GetTextMetrics(dc, &lpTextMetric);
- int i;
- for (i = 0; i < m_noItems; i++)
+ // set extent to the max length of all strings
+ for ( unsigned int i = 0; i < m_noItems; i++ )
{
- int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LONG)wxBuffer);
- wxBuffer[len] = 0;
- SIZE extentXY;
- ::GetTextExtentPoint(dc, (LPTSTR)wxBuffer, len, &extentXY);
+ const wxString str = GetString(i);
+ ::GetTextExtentPoint32(dc, str.c_str(), str.length(), &extentXY);
+
int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
- if (extentX > largestExtent)
+ if ( extentX > largestExtent )
largestExtent = extentX;
}
- if (oldFont)
- ::SelectObject(dc, oldFont);
+ }
+ else // just increase the extent to the length of this string
+ {
+ int existingExtent = (int)SendMessage(GetHwnd(),
+ LB_GETHORIZONTALEXTENT, 0, 0L);
- ReleaseDC(GetHwnd(), dc);
- SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
+ ::GetTextExtentPoint32(dc, s.c_str(), s.length(), &extentXY);
+
+ int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+ if ( extentX > existingExtent )
+ largestExtent = extentX;
}
+
+ if ( largestExtent )
+ SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
+ //else: it shouldn't change
}
-wxSize wxListBox::DoGetBestSize()
+wxSize wxListBox::DoGetBestSize() const
{
// find the widest string
int wLine;
int wListbox = 0;
- for ( int i = 0; i < m_noItems; i++ )
+ for (unsigned int i = 0; i < m_noItems; i++)
{
wxString str(GetString(i));
GetTextExtent(str, &wLine, NULL);
// the listbox should be slightly larger than the widest string
int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
wListbox += 3*cx;
- int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7));
+ // 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)*
+ wxMin(wxMax(m_noItems, 3), 10);
- return wxSize(wListbox, hListbox);
+ wxSize best(wListbox, hListbox);
+ CacheBestSize(best);
+ return best;
}
// ----------------------------------------------------------------------------
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;
}
-
- return FALSE;
-}
-
-WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
+ else
{
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
+ // some event we're not interested in
+ return false;
}
-#endif
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+ wxCommandEvent event(evtType, m_windowId);
+ event.SetEventObject( this );
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+ // 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) );
+
+ event.SetString(GetString(n));
+ event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : true );
+ }
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+ event.SetInt(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);
}
// ----------------------------------------------------------------------------
bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
{
// only owner-drawn control should receive this message
- wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+ wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false );
MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
- wxDC dc;
- dc.SetHDC((WXHDC)CreateIC(wxT("DISPLAY"), NULL, NULL, 0));
- dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
+#ifdef __WXWINCE__
+ HDC hdc = GetDC(NULL);
+#else
+ HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);
+#endif
+
+ {
+ wxDCTemp dc((WXHDC)hdc);
+ dc.SetFont(GetFont());
+
+ pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
+ pStruct->itemWidth = dc.GetCharWidth();
+ }
- pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
- pStruct->itemWidth = dc.GetCharWidth();
+#ifdef __WXWINCE__
+ ReleaseDC(NULL, hdc);
+#else
+ DeleteDC(hdc);
+#endif
- return TRUE;
+ return true;
}
// forward the message to the appropriate item
bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
// only owner-drawn control should receive this message
- wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+ 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);
- wxCHECK( data && (data != LB_ERR), FALSE );
+ wxCHECK( data && (data != LB_ERR), false );
wxListBoxItem *pItem = (wxListBoxItem *)data;
- wxDC dc;
- dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
- wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top),
- wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
+ 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,
- (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