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#include "customComboBox.h"
CustomComboBox::CustomComboBox(wxWindow* parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
int n,
const wxString choices[],
long style,
const wxValidator& validator,
const wxString& name) :
wxComboBox(parent, id, value, pos, size, n, choices, style, validator, name)
{
//register key event to enable item deletion
this->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(CustomComboBox::OnKeyEvent), NULL, this );
}
void CustomComboBox::OnKeyEvent(wxKeyEvent& event)
{
const int keyCode = event.GetKeyCode();
if (keyCode == WXK_DELETE || keyCode == WXK_NUMPAD_DELETE)
{
//try to delete the currently selected config history item
const int selectedItem = this->GetCurrentSelection();
if (0 <= selectedItem && selectedItem < static_cast<int>(this->GetCount()) &&
(GetValue() != GetString(selectedItem) || //avoid problems when letter shall be deleted instead of list item
GetValue() == wxEmptyString) //exception: always allow removing empty entry
)
{
//save old (selected) value: deletion seems to have influence on this
const wxString currentVal = this->GetValue();
this->SetSelection(wxNOT_FOUND);
//delete selected row
this->Delete(selectedItem);
//(re-)set value
this->SetValue(currentVal);
//eat up key event
return;
}
}
event.Skip();
}
void CustomComboBox::addPairToFolderHistory(const wxString& newFolder, unsigned int maxHistSize)
{
//don't add empty directories
if (newFolder.empty())
return;
const wxString oldVal = this->GetValue();
//insert new folder or put it to the front if already existing
#ifdef FFS_WIN //don't respect case in windows build
const int pos = FindString(newFolder, false);
#elif defined FFS_LINUX
const int pos = FindString(newFolder, true);
#endif
if (pos != wxNOT_FOUND)
this->Delete(pos);
this->Insert(newFolder, 0);
//keep maximal size of history list
if (this->GetCount() > maxHistSize)
this->Delete(maxHistSize);
this->SetSelection(wxNOT_FOUND); //don't select anything
this->SetValue(oldVal); //but preserve main text!
}
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