void wxListCtrlEx::HandlePrefixSearch(wxChar character)
{
wxASSERT(character);
// Keyboard navigation within items
wxDateTime now = wxDateTime::UNow();
if (m_prefixSearch_lastKeyPress.IsValid())
{
wxTimeSpan span = now - m_prefixSearch_lastKeyPress;
if (span.GetSeconds() >= 1)
m_prefixSearch_prefix = _T("");
}
m_prefixSearch_lastKeyPress = now;
wxString newPrefix = m_prefixSearch_prefix + character;
bool beep = false;
int item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
if (item != -1)
{
wxString text = GetItemText(item, 0);
if (text.Length() >= m_prefixSearch_prefix.Length() && !m_prefixSearch_prefix.CmpNoCase(text.Left(m_prefixSearch_prefix.Length())))
beep = true;
}
else if (m_prefixSearch_prefix == _T(""))
beep = true;
int start = item;
if (start < 0)
start = 0;
int newPos = FindItemWithPrefix(newPrefix, start);
if (newPos == -1 && m_prefixSearch_prefix[0] == character && !m_prefixSearch_prefix[1] && item != -1 && beep)
{
// Search the next item that starts with the same letter
newPrefix = m_prefixSearch_prefix;
newPos = FindItemWithPrefix(newPrefix, item + 1);
}
m_prefixSearch_prefix = newPrefix;
if (newPos == -1)
{
if (beep)
wxBell();
return;
}
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
while (item != -1)
{
SetItemState(item, 0, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
}
SetItemState(newPos, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
EnsureVisible(newPos);
}
void CLocalListView::OnChar(wxKeyEvent& event)
{
int code = event.GetKeyCode();
if (code == WXK_DELETE)
{
if (GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) == -1)
{
wxBell();
return;
}
wxCommandEvent tmp;
OnMenuDelete(tmp);
}
else if (code == WXK_F2)
{
wxCommandEvent tmp;
OnMenuRename(tmp);
}
else if (code == WXK_BACK)
{
if (!m_hasParent)
{
wxBell();
return;
}
wxString error;
if (!m_pState->SetLocalDir(_T(".."), &error))
{
if (error != _T(""))
wxMessageBox(error, _("Failed to change directory"), wxICON_INFORMATION);
else
wxBell();
}
}
else if (code > 32 && code < 300 && !event.HasModifiers())
{
// Keyboard navigation within items
wxDateTime now = wxDateTime::UNow();
if (m_lastKeyPress.IsValid())
{
wxTimeSpan span = now - m_lastKeyPress;
if (span.GetSeconds() >= 1)
m_prefix = _T("");
}
m_lastKeyPress = now;
wxChar tmp[2];
#if wxUSE_UNICODE
tmp[0] = event.GetUnicodeKey();
#else
tmp[0] = code;
#endif
tmp[1] = 0;
wxString newPrefix = m_prefix + tmp;
bool beep = false;
int item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
if (item != -1)
{
wxString text = GetData(item)->name;
if (text.Length() >= m_prefix.Length() && !m_prefix.CmpNoCase(text.Left(m_prefix.Length())))
beep = true;
}
else if (m_prefix == _T(""))
beep = true;
int start = item;
if (start < 0)
start = 0;
int newPos = FindItemWithPrefix(newPrefix, start);
if (newPos == -1 && m_prefix == tmp && item != -1 && beep)
{
// Search the next item that starts with the same letter
newPrefix = m_prefix;
newPos = FindItemWithPrefix(newPrefix, item + 1);
}
m_prefix = newPrefix;
if (newPos == -1)
{
if (beep)
wxBell();
return;
}
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
while (item != -1)
{
SetItemState(item, 0, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
}
SetItemState(newPos, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
EnsureVisible(newPos);
}
else
event.Skip();
}
void wxListCtrlEx::HandlePrefixSearch(wxChar character)
{
wxASSERT(character);
// Keyboard navigation within items
wxDateTime now = wxDateTime::UNow();
if (m_prefixSearch_lastKeyPress.IsValid())
{
wxTimeSpan span = now - m_prefixSearch_lastKeyPress;
if (span.GetSeconds() >= 1)
m_prefixSearch_prefix = _T("");
}
m_prefixSearch_lastKeyPress = now;
wxString newPrefix = m_prefixSearch_prefix + character;
int item;
#ifndef __WXMSW__
// GetNextItem is O(n) if nothing is selected, GetSelectedItemCount() is O(1)
if (!GetSelectedItemCount())
item = -1;
else
#endif
{
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
}
bool beep = false;
if (item != -1)
{
wxString text = GetItemText(item, 0);
if (text.Length() >= m_prefixSearch_prefix.Length() && !m_prefixSearch_prefix.CmpNoCase(text.Left(m_prefixSearch_prefix.Length())))
beep = true;
}
else if (m_prefixSearch_prefix.empty())
beep = true;
int start = item;
if (start < 0)
start = 0;
int newPos = FindItemWithPrefix(newPrefix, start);
if (newPos == -1 && (m_prefixSearch_prefix.Len() == 1 && m_prefixSearch_prefix[0] == character) && item != -1 && beep) {
// Search the next item that starts with the same letter
newPrefix = m_prefixSearch_prefix;
newPos = FindItemWithPrefix(newPrefix, item + 1);
}
m_prefixSearch_prefix = newPrefix;
if (newPos == -1)
{
if (beep)
wxBell();
return;
}
while (item != -1)
{
SetItemState(item, 0, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
item = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
}
SetItemState(newPos, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED, wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
#ifdef __WXMSW__
// SetItemState does not move the selection mark, that is the item from
// which a multiple selection starts (e.g. shift+up/down)
HWND hWnd = (HWND)GetHandle();
::SendMessage(hWnd, LVM_SETSELECTIONMARK, 0, newPos);
#endif
EnsureVisible(newPos);
}