void wxListBox::DoSetSelection( int n, bool select )
{
wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
m_blockEvent = true;
if (select)
{
if ((m_windowStyle & wxLB_SINGLE) != 0)
gtk_list_unselect_item( m_list, m_prevSelection );
gtk_list_select_item( m_list, n );
m_prevSelection = n;
}
else
gtk_list_unselect_item( m_list, n );
m_blockEvent = false;
}
void wxComboBox::SetSelection( int n )
{
wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
DisableEvents();
GtkWidget *list = GTK_COMBO(m_widget)->list;
gtk_list_unselect_item( GTK_LIST(list), m_prevSelection );
gtk_list_select_item( GTK_LIST(list), n );
m_prevSelection = n;
EnableEvents();
}
/* Unselects the child number item of the list. Nothing happens if item
* is out of bounds. The signal GtkList::unselect-child will be emitted. */
int
clip_GTK_LISTUNSELECTITEM(ClipMachine * ClipMachineMemory)
{
C_widget *clst = _fetch_cw_arg(ClipMachineMemory);
gint item = INT_OPTION(ClipMachineMemory, 2, 1);
CHECKCWID(clst, GTK_IS_LIST);
CHECKOPT(2, NUMERIC_type_of_ClipVarType);
gtk_list_unselect_item(GTK_LIST(clst->widget), item - 1);
return 0;
err:
return 1;
}
static void gtk_listitem_select_cb( GtkWidget *widget,
wxListBox *listbox,
bool is_selection )
{
if (g_isIdle) wxapp_install_idle_handler();
if (!listbox->m_hasVMT) return;
if (g_blockEventsOnDrag) return;
if (listbox->m_blockEvent) return;
wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
event.SetEventObject( listbox );
// indicate whether this is a selection or a deselection
event.SetExtraLong( is_selection );
if ((listbox->GetWindowStyleFlag() & wxLB_SINGLE) != 0)
{
int sel = listbox->GtkGetIndex( widget );
if (listbox->m_prevSelection != sel)
gtk_list_unselect_item( listbox->m_list, listbox->m_prevSelection );
listbox->m_prevSelection = sel;
}
wxArrayInt aSelections;
int n, count = listbox->GetSelections(aSelections);
if ( count > 0 )
{
n = aSelections[0];
if ( listbox->HasClientObjectData() )
event.SetClientObject( listbox->GetClientObject(n) );
else if ( listbox->HasClientUntypedData() )
event.SetClientData( listbox->GetClientData(n) );
event.SetString( listbox->GetString(n) );
}
else
{
n = -1;
}
event.SetInt(n);
// No longer required with new code in wxLB_SINGLE
// listbox->GetEventHandler()->AddPendingEvent( event );
listbox->GetEventHandler()->ProcessEvent( event );
}
static gint
gtk_listbox_button_press_callback( GtkWidget *widget,
GdkEventButton *gdk_event,
wxListBox *listbox )
{
if (g_isIdle) wxapp_install_idle_handler();
if (g_blockEventsOnDrag) return FALSE;
if (g_blockEventsOnScroll) return FALSE;
if (!listbox->m_hasVMT) return FALSE;
int sel = listbox->GtkGetIndex( widget );
#if wxUSE_CHECKLISTBOX
if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
{
wxCheckListBox *clb = (wxCheckListBox *)listbox;
clb->Check( sel, !clb->IsChecked(sel) );
wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
event.SetEventObject( listbox );
event.SetInt( sel );
listbox->GetEventHandler()->ProcessEvent( event );
}
#endif // wxUSE_CHECKLISTBOX
if ((gdk_event->state == 0) &&
(((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
{
listbox->m_blockEvent = true;
int i;
for (i = 0; i < (int)listbox->GetCount(); i++)
if (i != sel)
gtk_list_unselect_item( GTK_LIST(listbox->m_list), i );
listbox->m_blockEvent = false;
return false;
}
/* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */
g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS);
return FALSE;
}
static void
gtkcombo_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
{
if (g_isIdle) wxapp_install_idle_handler();
if (!combo->m_hasVMT) return;
if (g_blockEventsOnDrag) return;
int curSelection = combo->GetCurrentSelection();
if (combo->m_prevSelection == curSelection) return;
GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
combo->m_prevSelection = curSelection;
// Quickly set the value of the combo box
// as GTK+ does that only AFTER the event
// is sent.
g_signal_handlers_disconnect_by_func (GTK_COMBO (combo->GetHandle())->entry,
(gpointer) gtkcombo_text_changed_callback,
combo);
combo->SetValue( combo->GetStringSelection() );
g_signal_connect_after (GTK_COMBO (combo->GetHandle())->entry, "changed",
G_CALLBACK (gtkcombo_text_changed_callback), combo);
// throw a SELECTED event only if the combobox popup is hidden (wxID_NONE)
// because when combobox popup is shown, gtkcombo_combo_select_child_callback is
// called each times the mouse is over an item with a pressed button so a lot
// of SELECTED event could be generated if the user keep the mouse button down
// and select other items ...
if (g_SelectionBeforePopup == wxID_NONE)
{
wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
event.SetInt( curSelection );
event.SetString( combo->GetStringSelection() );
event.SetEventObject( combo );
combo->GetEventHandler()->ProcessEvent( event );
// for consistency with the other ports, don't generate text update
// events while the user is browsing the combobox neither
wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
event2.SetString( combo->GetValue() );
event2.SetEventObject( combo );
combo->GetEventHandler()->ProcessEvent( event2 );
}
}
void wxComboBox::SetSelection( int n )
{
wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
DisableEvents();
#ifdef __WXGTK24__
if (!gtk_check_version(2,4,0))
{
GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
gtk_combo_box_set_active( combobox, n );
}
else
#endif
{
GtkWidget *list = GTK_COMBO(m_widget)->list;
gtk_list_unselect_item( GTK_LIST(list), m_prevSelection );
gtk_list_select_item( GTK_LIST(list), n );
m_prevSelection = n;
}
EnableEvents();
}
static gint
gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
{
if (g_isIdle)
wxapp_install_idle_handler();
if (g_blockEventsOnDrag)
return FALSE;
bool ret = false;
if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
{
wxNavigationKeyEvent new_event;
/* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
/* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
new_event.SetCurrentFocus( listbox );
ret = listbox->GetEventHandler()->ProcessEvent( new_event );
}
if ((gdk_event->keyval == GDK_Return) && (!ret))
{
// eat return in all modes
ret = true;
}
#if wxUSE_CHECKLISTBOX
if ((gdk_event->keyval == ' ') && (listbox->m_hasCheckBoxes) && (!ret))
{
int sel = listbox->GtkGetIndex( widget );
wxCheckListBox *clb = (wxCheckListBox *)listbox;
clb->Check( sel, !clb->IsChecked(sel) );
wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
new_event.SetEventObject( listbox );
new_event.SetInt( sel );
ret = listbox->GetEventHandler()->ProcessEvent( new_event );
}
#endif // wxUSE_CHECKLISTBOX
// Check or uncheck item with SPACE
if ((gdk_event->keyval == ' ') && (!ret) &&
(((listbox->GetWindowStyleFlag() & wxLB_MULTIPLE) != 0) ||
((listbox->GetWindowStyleFlag() & wxLB_EXTENDED) != 0)) )
{
int sel = listbox->GtkGetIndex( widget );
if (sel != -1)
{
ret = true;
if (listbox->IsSelected( sel ))
gtk_list_unselect_item( listbox->m_list, sel );
else
gtk_list_select_item( listbox->m_list, sel );
wxCommandEvent new_event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
new_event.SetEventObject( listbox );
wxArrayInt aSelections;
int n, count = listbox->GetSelections(aSelections);
if ( count > 0 )
{
n = aSelections[0];
if ( listbox->HasClientObjectData() )
new_event.SetClientObject( listbox->GetClientObject(n) );
else if ( listbox->HasClientUntypedData() )
new_event.SetClientData( listbox->GetClientData(n) );
new_event.SetString( listbox->GetString(n) );
}
else
{
n = -1;
}
new_event.SetInt(n);
listbox->GetEventHandler()->ProcessEvent( new_event );
}
}
if (ret)
{
gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
return TRUE;
}
return FALSE;
}