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Refactor: move wxComboBox::MSWDoPopupOrDismiss() down to wxChoice.

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No real changes, just make this method available in wxChoice for the next
commit needs.

See #3113.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-04-05 18:40:15 +00:00
parent 2415cf6725
commit a24fb9f847
4 changed files with 23 additions and 17 deletions
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3
include/wx/msw/choice.h
View File

@@ -124,6 +124,9 @@ protected:
int width, int height,
int sizeFlags = wxSIZE_AUTO);
// Show or hide the popup part of the control.
void MSWDoPopupOrDismiss(bool show);
// update the height of the drop down list to fit the number of items we
// have (without changing the visible height)
void MSWUpdateDropDownHeight();

1
include/wx/msw/combobox.h
View File

@@ -130,7 +130,6 @@ protected:
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip(wxToolTip *tip);
#endif
void MSWDoPopupOrDismiss(bool show);
// this is the implementation of GetEditHWND() which can also be used when
// we don't have the edit control, it simply returns NULL then

20
src/msw/choice.cpp
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@@ -626,6 +626,26 @@ int wxChoice::SetHeightSimpleComboBox(int nItems) const
return EDIT_HEIGHT_FROM_CHAR_HEIGHT( cy ) * wxMin( wxMax( nItems, 3 ), 6 ) + hItem - 1;
}
// ----------------------------------------------------------------------------
// Popup operations
// ----------------------------------------------------------------------------
void wxChoice::MSWDoPopupOrDismiss(bool show)
{
wxASSERT_MSG( !HasFlag(wxCB_SIMPLE),
wxT("can't popup/dismiss the list for simple combo box") );
// we *must* set focus to the combobox before showing or hiding the drop
// down as without this we get WM_LBUTTONDOWN messages with invalid HWND
// when hiding it (whether programmatically or manually) resulting in a
// crash when we pass them to IsDialogMessage()
//
// this can be seen in the combo page of the widgets sample under Windows 7
SetFocus();
::SendMessage(GetHwnd(), CB_SHOWDROPDOWN, show, 0);
}
// ----------------------------------------------------------------------------
// MSW message handlers
// ----------------------------------------------------------------------------

16
src/msw/combobox.cpp
View File

@@ -642,22 +642,6 @@ void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
event.Enable(IsEditable() && !wxTextEntry::IsEmpty());
}
void wxComboBox::MSWDoPopupOrDismiss(bool show)
{
wxASSERT_MSG( !HasFlag(wxCB_SIMPLE),
wxT("can't popup/dismiss the list for simple combo box") );
// we *must* set focus to the combobox before showing or hiding the drop
// down as without this we get WM_LBUTTONDOWN messages with invalid HWND
// when hiding it (whether programmatically or manually) resulting in a
// crash when we pass them to IsDialogMessage()
//
// this can be seen in the combo page of the widgets sample under Windows 7
SetFocus();
::SendMessage(GetHwnd(), CB_SHOWDROPDOWN, show, 0);
}
#if wxUSE_TOOLTIPS
void wxComboBox::DoSetToolTip(wxToolTip *tip)