wxFLAGS_MEMBER(wxBORDER_RAISED)
wxFLAGS_MEMBER(wxBORDER_STATIC)
wxFLAGS_MEMBER(wxBORDER_NONE)
-
+
// old style border flags
wxFLAGS_MEMBER(wxSIMPLE_BORDER)
wxFLAGS_MEMBER(wxSUNKEN_BORDER)
IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl,"wx/combobox.h")
wxBEGIN_PROPERTIES_TABLE(wxComboBox)
- wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent )
+ wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent )
wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
// TODO DELEGATES
- wxPROPERTY( Font , wxFont , SetFont , GetFont , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ 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( Value ,wxString, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+ wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()
wxBEGIN_HANDLERS_TABLE(wxComboBox)
// wxComboBox callbacks
// ----------------------------------------------------------------------------
-long wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
// handle WM_CTLCOLOR messages from our EDIT control to be able to set its
// colour correctly (to be the same as our own one)
WXHWND hwnd;
UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
- return OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+ return (WXLRESULT)OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+
+ case CB_SETCURSEL:
+ // Selection was set with SetSelection. Update the value too.
+ if ((int)wParam > GetCount())
+ m_value = wxEmptyString;
+ else
+ m_value = GetString(wParam);
+ break;
+
}
return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
ProcessCommand(event);
}
- return HandleChar(wParam, lParam, TRUE /* isASCII */);
+ return HandleChar(wParam, lParam, true /* isASCII */);
case WM_KEYDOWN:
return HandleKeyDown(wParam, lParam);
return HandleKillFocus((WXHWND)wParam);
}
- return FALSE;
+ return false;
}
bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
case CBN_SELCHANGE:
sel = GetSelection();
- if ( sel > -1 )
+
+ // somehow we get 2 CBN_SELCHANGE events with the same index when
+ // the user selects an item in the combobox -- ignore duplicates
+ if ( sel > -1 && sel != m_selectionOld )
{
- value = GetString(sel);
+ m_selectionOld = sel;
+
+ // GetValue() would still return the old value from here but
+ // according to the docs we should return the new value if the
+ // user calls it in his event handler, so update internal
+ // m_value
+ m_value = GetString(sel);
wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId());
event.SetInt(sel);
event.SetEventObject(this);
- event.SetString(value);
+ event.SetString(m_value);
ProcessCommand(event);
}
- else
+ else // no valid selection
{
+ m_selectionOld = sel;
+
+ // hence no EVT_TEXT neither
break;
}
// want the new one)
if ( sel == -1 )
{
- value = GetValue();
+ m_value = wxGetWindowText(GetHwnd());
}
else // we're synthesizing text updated event from sel change
{
- // We need to retrieve the current selection because the user
- // may have changed it in the previous handler (for CBN_SELCHANGE
- // above).
+ // We need to retrieve the current selection because the
+ // user may have changed it in the previous handler (for
+ // CBN_SELCHANGE above).
sel = GetSelection();
if ( sel > -1 )
{
- value = GetString(sel);
+ m_value = GetString(sel);
}
- // we need to do this because the user code expects
- // wxComboBox::GetValue() to return the new value from
- // "text updated" handler but it hadn't been updated yet
- SetValue(value);
}
- event.SetString(value);
+ event.SetString(m_value);
event.SetEventObject(this);
ProcessCommand(event);
}
}
// there is no return value for the CBN_ notifications, so always return
- // FALSE from here to pass the message to DefWindowProc()
- return FALSE;
+ // false from here to pass the message to DefWindowProc()
+ return false;
}
WXHWND wxComboBox::GetEditHWND() const
// pretend that wxComboBox is hidden while it is positioned and resized and
// show it only right before leaving this method because otherwise there is
// some noticeable flicker while the control rearranges itself
- m_isShown = FALSE;
+ m_isShown = false;
if ( !CreateAndInit(parent, id, pos, size, n, choices, style,
validator, name) )
- return FALSE;
+ return false;
- // we shouldn't call SetValue() for an empty read only combobox as it would
- // (correctly) thro an assert and is otherwise useless anyhow
- if ( n || !HasFlag(wxCB_READONLY) )
+ // we shouldn't call SetValue() for an empty string because this would
+ // (correctly) result in an assert with a read only combobox and is useless
+ // for the other ones anyhow
+ if ( !value.empty() )
SetValue(value);
// a (not read only) combobox is, in fact, 2 controls: the combobox itself
}
// and finally, show the control
- Show(TRUE);
+ Show(true);
- return TRUE;
+ return true;
}
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
SetStringSelection(value);
else
SetWindowText(GetHwnd(), value.c_str());
+
+ m_value = value;
+ m_selectionOld = GetSelection();
}
// Clipboard operations
long fromChar = from;
long toChar = to;
// if from and to are both -1, it means
- // (in wxWindows) that all text should be selected.
+ // (in wxWidgets) that all text should be selected.
// This translates into Windows convention
if ((from == -1) && (to == -1))
{
toChar = -1;
}
- if (
-#ifdef __WIN32__
- SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar))
-#else // Win16
- SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar)
-#endif
- == CB_ERR )
+ if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )
{
wxLogDebug(_T("CB_SETEDITSEL failed"));
}