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respect Veto()ing the column resize events; added test for this in the sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19600 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2003-03-17 13:24:45 +00:00
parent 6d89ddefa9
commit 355f240724
2 changed files with 23 additions and 13 deletions
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7
samples/listctrl/listtest.cpp
View File

@ -672,6 +672,13 @@ void MyListCtrl::LogColEvent(const wxListEvent& event, const wxChar *name)
void MyListCtrl::OnColBeginDrag(wxListEvent& event)
{
LogColEvent( event, wxT("OnColBeginDrag") );
if ( event.GetColumn() == 0 )
{
wxLogMessage(_T("Resizing this column shouldn't work."));
event.Veto();
}
}
void MyListCtrl::OnColDragging(wxListEvent& event)

29
src/generic/listctrl.cpp
View File

@ -495,7 +495,9 @@ private:
// common part of all ctors
void Init();
void SendListEvent(wxEventType type, wxPoint pos);
// generate and process the list event of the given type, return true if
// it wasn't vetoed, i.e. if we should proceed
bool SendListEvent(wxEventType type, wxPoint pos);
DECLARE_DYNAMIC_CLASS(wxListHeaderWindow)
DECLARE_EVENT_TABLE()
@ -2130,8 +2132,7 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
if (m_isDragging)
{
SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING,
event.GetPosition());
SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, event.GetPosition());
// we don't draw the line beyond our window, but we allow dragging it
// there
@ -2150,8 +2151,7 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
m_isDragging = FALSE;
m_dirty = TRUE;
m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG,
event.GetPosition());
SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, event.GetPosition());
}
else
{
@ -2204,12 +2204,15 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
{
if (hit_border && event.LeftDown())
{
m_isDragging = TRUE;
m_currentX = x;
DrawCurrent();
CaptureMouse();
SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG,
event.GetPosition());
if ( SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG,
event.GetPosition()) )
{
m_isDragging = TRUE;
m_currentX = x;
DrawCurrent();
CaptureMouse();
}
//else: column resizing was vetoed by the user code
}
else // click on a column
{
@ -2244,7 +2247,7 @@ void wxListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
m_owner->SetFocus();
}
void wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos)
bool wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos)
{
wxWindow *parent = GetParent();
wxListEvent le( type, parent->GetId() );
@ -2258,7 +2261,7 @@ void wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos)
le.m_pointDrag.y -= GetSize().y;
le.m_col = m_column;
parent->GetEventHandler()->ProcessEvent( le );
return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
}
//-----------------------------------------------------------------------------