// Created: 27.03.01
// Id: $Id$
// Copyright: (c) 2001 Vadim Zeitlin
-// License: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
ListboxPage_DeleteText,
ListboxPage_DeleteSel,
ListboxPage_Listbox,
+ ListboxPage_EnsureVisible,
+ ListboxPage_EnsureVisibleText,
ListboxPage_ContainerTests
};
// event handlers
void OnButtonReset(wxCommandEvent& event);
void OnButtonChange(wxCommandEvent& event);
+ void OnButtonEnsureVisible(wxCommandEvent& event);
void OnButtonDelete(wxCommandEvent& event);
void OnButtonDeleteSel(wxCommandEvent& event);
void OnButtonClear(wxCommandEvent& event);
void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
void OnUpdateUIClearButton(wxUpdateUIEvent& event);
+ void OnUpdateUIEnsureVisibleButton(wxUpdateUIEvent& event);
void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
void OnUpdateUIResetButton(wxUpdateUIEvent& event);
// (re)create the listbox
void CreateLbox();
+ // read the value of a listbox item index from the given control, return
+ // false if it's invalid
+ bool GetValidIndexFromText(const wxTextCtrl *text, int *n = NULL) const;
+
+
// listbox parameters
// ------------------
// the text entries for "Add/change string" and "Delete" buttons
wxTextCtrl *m_textAdd,
*m_textChange,
+ *m_textEnsureVisible,
*m_textDelete;
private:
EVT_BUTTON(ListboxPage_Change, ListboxWidgetsPage::OnButtonChange)
EVT_BUTTON(ListboxPage_Delete, ListboxWidgetsPage::OnButtonDelete)
EVT_BUTTON(ListboxPage_DeleteSel, ListboxWidgetsPage::OnButtonDeleteSel)
+ EVT_BUTTON(ListboxPage_EnsureVisible, ListboxWidgetsPage::OnButtonEnsureVisible)
EVT_BUTTON(ListboxPage_Clear, ListboxWidgetsPage::OnButtonClear)
EVT_BUTTON(ListboxPage_Add, ListboxWidgetsPage::OnButtonAdd)
EVT_BUTTON(ListboxPage_AddSeveral, ListboxWidgetsPage::OnButtonAddSeveral)
EVT_TEXT_ENTER(ListboxPage_AddText, ListboxWidgetsPage::OnButtonAdd)
EVT_TEXT_ENTER(ListboxPage_DeleteText, ListboxWidgetsPage::OnButtonDelete)
+ EVT_TEXT_ENTER(ListboxPage_EnsureVisibleText, ListboxWidgetsPage::OnButtonEnsureVisible)
EVT_UPDATE_UI(ListboxPage_Reset, ListboxWidgetsPage::OnUpdateUIResetButton)
EVT_UPDATE_UI(ListboxPage_AddSeveral, ListboxWidgetsPage::OnUpdateUIAddSeveral)
EVT_UPDATE_UI(ListboxPage_Change, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
EVT_UPDATE_UI(ListboxPage_ChangeText, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
EVT_UPDATE_UI(ListboxPage_DeleteSel, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
+ EVT_UPDATE_UI(ListboxPage_EnsureVisible, ListboxWidgetsPage::OnUpdateUIEnsureVisibleButton)
EVT_LISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnListbox)
EVT_LISTBOX_DCLICK(ListboxPage_Listbox, ListboxWidgetsPage::OnListboxDClick)
#define FAMILY_CTRLS NATIVE_CTRLS
#endif
-IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"),
+IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, wxT("Listbox"),
FAMILY_CTRLS | WITH_ITEMS_CTRLS
);
// left pane
wxStaticBox *box = new wxStaticBox(this, wxID_ANY,
- _T("&Set listbox parameters"));
+ wxT("&Set listbox parameters"));
wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
static const wxString modes[] =
{
- _T("single"),
- _T("extended"),
- _T("multiple"),
+ wxT("single"),
+ wxT("extended"),
+ wxT("multiple"),
};
- m_radioSelMode = new wxRadioBox(this, wxID_ANY, _T("Selection &mode:"),
+ m_radioSelMode = new wxRadioBox(this, wxID_ANY, wxT("Selection &mode:"),
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(modes), modes,
1, wxRA_SPECIFY_COLS);
m_chkVScroll = CreateCheckBoxAndAddToSizer
(
sizerLeft,
- _T("Always show &vertical scrollbar")
+ wxT("Always show &vertical scrollbar")
);
m_chkHScroll = CreateCheckBoxAndAddToSizer
(
sizerLeft,
- _T("Show &horizontal scrollbar")
+ wxT("Show &horizontal scrollbar")
);
- m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box"));
- m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
- m_chkOwnerDraw = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Owner drawn"));
+ m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Check list box"));
+ m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Sort items"));
+ m_chkOwnerDraw = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Owner drawn"));
sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5);
- wxButton *btn = new wxButton(this, ListboxPage_Reset, _T("&Reset"));
+ wxButton *btn = new wxButton(this, ListboxPage_Reset, wxT("&Reset"));
sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
// middle pane
wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
- _T("&Change listbox contents"));
+ wxT("&Change listbox contents"));
wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
- btn = new wxButton(this, ListboxPage_Add, _T("&Add this string"));
- m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, _T("test item 0"));
+ btn = new wxButton(this, ListboxPage_Add, wxT("&Add this string"));
+ m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, wxT("test item 0"));
sizerRow->Add(btn, 0, wxRIGHT, 5);
sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
- btn = new wxButton(this, ListboxPage_AddSeveral, _T("&Insert a few strings"));
+ btn = new wxButton(this, ListboxPage_AddSeveral, wxT("&Insert a few strings"));
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
- btn = new wxButton(this, ListboxPage_AddMany, _T("Add &many strings"));
+ btn = new wxButton(this, ListboxPage_AddMany, wxT("Add &many strings"));
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
sizerRow = new wxBoxSizer(wxHORIZONTAL);
- btn = new wxButton(this, ListboxPage_Change, _T("C&hange current"));
+ btn = new wxButton(this, ListboxPage_Change, wxT("C&hange current"));
m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, wxEmptyString);
sizerRow->Add(btn, 0, wxRIGHT, 5);
sizerRow->Add(m_textChange, 1, wxLEFT, 5);
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
sizerRow = new wxBoxSizer(wxHORIZONTAL);
- btn = new wxButton(this, ListboxPage_Delete, _T("&Delete this item"));
+ btn = new wxButton(this, ListboxPage_EnsureVisible, wxT("Make item &visible"));
+ m_textEnsureVisible = new wxTextCtrl(this, ListboxPage_EnsureVisibleText, wxEmptyString);
+ sizerRow->Add(btn, 0, wxRIGHT, 5);
+ sizerRow->Add(m_textEnsureVisible, 1, wxLEFT, 5);
+ sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
+
+ sizerRow = new wxBoxSizer(wxHORIZONTAL);
+ btn = new wxButton(this, ListboxPage_Delete, wxT("&Delete this item"));
m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, wxEmptyString);
sizerRow->Add(btn, 0, wxRIGHT, 5);
sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
- btn = new wxButton(this, ListboxPage_DeleteSel, _T("Delete &selection"));
+ btn = new wxButton(this, ListboxPage_DeleteSel, wxT("Delete &selection"));
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
- btn = new wxButton(this, ListboxPage_Clear, _T("&Clear"));
+ btn = new wxButton(this, ListboxPage_Clear, wxT("&Clear"));
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
- btn = new wxButton(this, ListboxPage_ContainerTests, _T("Run &tests"));
+ btn = new wxButton(this, ListboxPage_ContainerTests, wxT("Run &tests"));
sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
// right pane
switch ( m_radioSelMode->GetSelection() )
{
default:
- wxFAIL_MSG( _T("unexpected radio box selection") );
+ wxFAIL_MSG( wxT("unexpected radio box selection") );
case LboxSel_Single: flags |= wxLB_SINGLE; break;
case LboxSel_Extended: flags |= wxLB_EXTENDED; break;
m_sizerLbox->Layout();
}
+// ----------------------------------------------------------------------------
+// miscellaneous helpers
+// ----------------------------------------------------------------------------
+
+bool
+ListboxWidgetsPage::GetValidIndexFromText(const wxTextCtrl *text, int *n) const
+{
+ unsigned long idx;
+ if ( !text->GetValue().ToULong(&idx) || (idx >= m_lbox->GetCount()) )
+ {
+ // don't give the warning if we're just testing but do give it if we
+ // want to retrieve the value as this is only done in answer to a user
+ // action
+ if ( n )
+ {
+ wxLogWarning("Invalid index \"%s\"", text->GetValue());
+ }
+
+ return false;
+ }
+
+ if ( n )
+ *n = idx;
+
+ return true;
+}
+
// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------
}
}
+void ListboxWidgetsPage::OnButtonEnsureVisible(wxCommandEvent& WXUNUSED(event))
+{
+ int n;
+ if ( !GetValidIndexFromText(m_textEnsureVisible, &n) )
+ {
+ return;
+ }
+
+ m_lbox->EnsureVisible(n);
+}
+
void ListboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
{
- unsigned long n;
- if ( !m_textDelete->GetValue().ToULong(&n) ||
- (n >= (unsigned)m_lbox->GetCount()) )
+ int n;
+ if ( !GetValidIndexFromText(m_textDelete, &n) )
{
return;
}
if ( !m_textAdd->IsModified() )
{
// update the default string
- m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
+ m_textAdd->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
}
m_lbox->Append(s);
// "many" means 1000 here
for ( unsigned int n = 0; n < 1000; n++ )
{
- m_lbox->Append(wxString::Format(_T("item #%u"), n));
+ m_lbox->Append(wxString::Format(wxT("item #%u"), n));
}
}
void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
{
wxArrayString items;
- items.Add(_T("First"));
- items.Add(_T("another one"));
- items.Add(_T("and the last (very very very very very very very very very very long) one"));
+ items.Add(wxT("First"));
+ items.Add(wxT("another one"));
+ items.Add(wxT("and the last (very very very very very very very very very very long) one"));
m_lbox->InsertItems(items, 0);
}
m_chkVScroll->GetValue() );
}
+void ListboxWidgetsPage::OnUpdateUIEnsureVisibleButton(wxUpdateUIEvent& event)
+{
+ event.Enable(GetValidIndexFromText(m_textEnsureVisible));
+}
+
void ListboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
{
- unsigned long n;
- event.Enable(m_textDelete->GetValue().ToULong(&n) &&
- (n < (unsigned)m_lbox->GetCount()));
+ event.Enable(GetValidIndexFromText(m_textDelete));
}
void ListboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
void ListboxWidgetsPage::OnListbox(wxCommandEvent& event)
{
long sel = event.GetSelection();
- m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
+ m_textDelete->SetValue(wxString::Format(wxT("%ld"), sel));
if (event.IsSelection())
- wxLogMessage(_T("Listbox item %ld selected"), sel);
+ {
+ wxLogMessage(wxT("Listbox item %ld selected"), sel);
+ }
else
- wxLogMessage(_T("Listbox item %ld deselected"), sel);
+ {
+ wxLogMessage(wxT("Listbox item %ld deselected"), sel);
+ }
}
void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event)
{
- wxLogMessage( _T("Listbox item %d double clicked"), event.GetInt() );
+ wxLogMessage( wxT("Listbox item %d double clicked"), event.GetInt() );
}
void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event)
{
- wxLogMessage( _T("Listbox item %d toggled"), event.GetInt() );
+ wxLogMessage( wxT("Listbox item %d toggled"), event.GetInt() );
}
void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))