ui/qt/list.cpp

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2014 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "list.h"
#include "container.h"

#include <QTreeView>
#include <QTreeWidgetItem>
#include <QListView>

extern "C" void* ui_strmodel_getvalue(void *elm, int column) {
    return column == 0 ? elm : NULL;
}


UIWIDGET ui_listview_create(UiObject* obj, UiListArgs args) {
    UiContainerPrivate *ctn = ui_obj_container(obj);
    UI_APPLY_LAYOUT(ctn->layout, args);
    
    QListView *view = new QListView();
    
    ui_getvaluefunc getvalue = args.getvalue ? args.getvalue : ui_strmodel_getvalue;
    UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args.list, args.varname, UI_VAR_LIST);
    
    ListModel *model = new ListModel(obj, view, var, getvalue);
    view->setModel(model);
    
    if(var) {
        UiList *list = (UiList*)var->value;
        list->update = ui_listmodel_update;
        list->getselection = ui_listmodel_getselection;
        list->setselection = ui_listmodel_setselection;
        list->obj = model;
    }
    
    model->setActivationCallback(args.onactivate, args.onactivatedata);
    model->setSelectionCallback(args.onselection, args.onselectiondata);
    
    QItemSelectionModel *s = view->selectionModel();
    QObject::connect(
            s,
            SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
            model,
            SLOT(selectionChanged(const QItemSelection &, const QItemSelection &)));
    
    
    ctn->add(view, false);
    
    return view;
}