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use new style creation (MSWCreateControl() and MSWGetStyle()); adjust the drop down list height after appending/inserting/deleting items

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25578 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-02-07 19:26:22 +00:00
parent 7b28e0ede4
commit 71e57cd650
4 changed files with 119 additions and 60 deletions
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84
src/msw/combobox.cpp
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@@ -355,6 +355,10 @@ WXHWND wxComboBox::GetEditHWND() const
return (WXHWND)hwndEdit;
}
// ----------------------------------------------------------------------------
// wxComboBox creation
// ----------------------------------------------------------------------------
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
@@ -369,50 +373,11 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
// some noticeable flicker while the control rearranges itself
m_isShown = FALSE;
// first create wxWin object
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
if ( !CreateAndInit(parent, id, pos, size, n, choices, style,
validator, name) )
return FALSE;
// get the right style
long msStyle = WS_TABSTOP | WS_VSCROLL | WS_HSCROLL |
CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT /* | WS_CLIPSIBLINGS */;
if ( style & wxCB_READONLY )
msStyle |= CBS_DROPDOWNLIST;
#ifndef __WXWINCE__
else if ( style & wxCB_SIMPLE )
msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
#endif
else
msStyle |= CBS_DROPDOWN;
if ( style & wxCB_SORT )
msStyle |= CBS_SORT;
if ( style & wxCLIP_SIBLINGS )
msStyle |= WS_CLIPSIBLINGS;
// and now create the MSW control
if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
return FALSE;
// 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));
for ( int i = 0; i < n; i++ )
{
Append(choices[i]);
}
if ( !value.IsEmpty() )
{
SetValue(value);
}
// do this after appending the values to the combobox so that autosizing
// works correctly
SetSize(pos.x, pos.y, size.x, size.y);
SetValue(value);
// a (not read only) combobox is, in fact, 2 controls: the combobox itself
// and an edit control inside it and if we want to catch events from this
@@ -447,6 +412,38 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
chs.GetStrings(), style, validator, name);
}
WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
{
// we never have an external border
WXDWORD msStyle = wxChoice::MSWGetStyle
(
(style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
);
// remove the style always added by wxChoice
msStyle &= ~CBS_DROPDOWNLIST;
if ( style & wxCB_READONLY )
msStyle |= CBS_DROPDOWNLIST;
#ifndef __WXWINCE__
else if ( style & wxCB_SIMPLE )
msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
#endif
else
msStyle |= CBS_DROPDOWN;
// there is no reason to not always use CBS_AUTOHSCROLL, so do use it
msStyle |= CBS_AUTOHSCROLL;
// NB: we used to also add CBS_NOINTEGRALHEIGHT here but why?
return msStyle;
}
// ----------------------------------------------------------------------------
// wxComboBox text control-like methods
// ----------------------------------------------------------------------------
void wxComboBox::SetValue(const wxString& value)
{
if ( HasFlag(wxCB_READONLY) )
@@ -574,6 +571,5 @@ void wxComboBox::SetSelection(long from, long to)
}
}
#endif
// wxUSE_COMBOBOX
#endif // wxUSE_COMBOBOX