// filter mouse move events happening outside the list box
void OnMouseMove(wxMouseEvent& event);
+ // set m_clicked value from here
+ void OnLeftUp(wxMouseEvent& event);
+
// called whenever the user selects or activates a listbox item
void OnSelect(wxCommandEvent& event);
const wxString& strArg);
private:
+ // has the mouse been released on this control?
+ bool m_clicked;
+
DECLARE_EVENT_TABLE()
};
EVT_LISTBOX(-1, wxComboListBox::OnSelect)
EVT_LISTBOX_DCLICK(-1, wxComboListBox::OnSelect)
EVT_MOTION(wxComboListBox::OnMouseMove)
+ EVT_LEFT_UP(wxComboListBox::OnLeftUp)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(wxComboControl, wxControl)
if (m_btn)
m_btn->Show(show);
-
+
if (m_text)
m_text->Show(show);
m_winPopup->PositionNearCombo();
// show it
+ m_popup->OnShow();
m_winPopup->Popup(m_text);
m_text->SelectAll();
m_popup->SetSelection(m_text->GetValue());
void wxComboListBox::OnSelect(wxCommandEvent& event)
{
- // first update the combo and close the listbox
- m_combo->OnSelect(event.GetString());
-
- // next let the user code have the event
-
- // all fields are already filled by the listbox, just change the event
- // type and send it to the combo
- wxCommandEvent event2 = event;
- event2.SetEventType(wxEVT_COMMAND_COMBOBOX_SELECTED);
- event2.SetEventObject(m_combo);
- event2.SetId(m_combo->GetId());
- m_combo->ProcessEvent(event2);
+ if ( m_clicked )
+ {
+ // first update the combo and close the listbox
+ m_combo->OnSelect(event.GetString());
+
+ // next let the user code have the event
+
+ // all fields are already filled by the listbox, just change the event
+ // type and send it to the combo
+ wxCommandEvent event2 = event;
+ event2.SetEventType(wxEVT_COMMAND_COMBOBOX_SELECTED);
+ event2.SetEventObject(m_combo);
+ event2.SetId(m_combo->GetId());
+ m_combo->ProcessEvent(event2);
+ }
+ //else: ignore the events resultign from just moving the mouse initially
}
void wxComboListBox::OnShow()
{
+ // nobody clicked us yet
+ m_clicked = FALSE;
}
bool wxComboListBox::PerformAction(const wxControlAction& action,
return wxListBox::PerformAction(action, numArg, strArg);
}
+void wxComboListBox::OnLeftUp(wxMouseEvent& event)
+{
+ // we should dismiss the combo now
+ m_clicked = TRUE;
+
+ event.Skip();
+}
+
void wxComboListBox::OnMouseMove(wxMouseEvent& event)
{
// while a wxComboListBox is shown, it always has capture, so if it doesn't
bool wxListBox::SendEvent(wxEventType type, int item)
{
- // don't generate select events while the mouse is captured, we will only
- // send them once it is released
- if ( (type == wxEVT_COMMAND_LISTBOX_SELECTED) && (GetCapture() == this) )
- return FALSE;
-
wxCommandEvent event(type, m_windowId);
event.SetEventObject(this);
// input handling
// ----------------------------------------------------------------------------
+/*
+ The numArg here is the listbox item index while the strArg is used
+ differently for the different actions:
+
+ a) for wxACTION_LISTBOX_FIND it has the natural meaning: this is the string
+ to find
+
+ b) for wxACTION_LISTBOX_SELECT and wxACTION_LISTBOX_EXTENDSEL it is used
+ to decide if the listbox should send the notification event (it is empty)
+ or not (it is not): this allows us to reuse the same action for when the
+ user is dragging the mouse when it has been released although in the
+ first case no notification is sent while in the second it is sent.
+ */
bool wxListBox::PerformAction(const wxControlAction& action,
long numArg,
const wxString& strArg)
else if ( action == wxACTION_LISTBOX_SELECT )
{
DeselectAll(item);
- SelectAndNotify(item);
+
+ if ( strArg.empty() )
+ SelectAndNotify(item);
+ else
+ Select(TRUE, item);
}
else if ( action == wxACTION_LISTBOX_SELECTADD )
Select(TRUE, item);
switch ( keycode )
{
// movement
- case WXK_UP: action = wxACTION_LISTBOX_MOVEUP; break;
- case WXK_DOWN: action = wxACTION_LISTBOX_MOVEDOWN; break;
+ case WXK_UP:
+ action = wxACTION_LISTBOX_MOVEUP;
+ break;
+
+ case WXK_DOWN:
+ action = wxACTION_LISTBOX_MOVEDOWN;
+ break;
+
case WXK_PAGEUP:
- case WXK_PRIOR: action = wxACTION_LISTBOX_PAGEUP; break;
+
+ case WXK_PRIOR:
+ action = wxACTION_LISTBOX_PAGEUP;
+ break;
+
case WXK_PAGEDOWN:
- case WXK_NEXT: action = wxACTION_LISTBOX_PAGEDOWN; break;
- case WXK_HOME: action = wxACTION_LISTBOX_START; break;
- case WXK_END: action = wxACTION_LISTBOX_END; break;
+
+ case WXK_NEXT:
+ action = wxACTION_LISTBOX_PAGEDOWN;
+ break;
+
+ case WXK_HOME:
+ action = wxACTION_LISTBOX_START;
+ break;
+
+ case WXK_END:
+ action = wxACTION_LISTBOX_END;
+ break;
// selection
case WXK_SPACE:
winCapture->ReleaseMouse();
m_btnCapture = 0;
- // generate the last event to triiger sending the selection event
action = m_actionMouse;
}
//else: the mouse wasn't presed over the listbox, only released here
if ( IsValidIndex(lbox, item) )
{
- lbox->PerformAction(m_actionMouse, item);
+ // pass something into strArg to tell the listbox that it shouldn't
+ // send the notification message: see PerformAction() above
+ lbox->PerformAction(m_actionMouse, item, _T("no"));
}
// else: don't pass invalid index to the listbox
}