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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* combobox.cc
*
* Wed Jul 18 10:35:52 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng and Lars Bisballe Jensen
* deva@aasimon.org and elsenator@gmail.com
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "combobox.h"
#include <QDomNodeList>
#include <QCompleter>
#include <QRegExpValidator>
#include <QRegExp>
#include <QLineEdit>
#include "common.h"
// Enable this to make the combobox drawn in windows style.
// This will make its background red even when not expanded.
//#define STYLE_HACK
#ifdef STYLE_HACK
#include <QWindowsStyle>
QWindowsStyle s;
#endif/*STYLE_HACK*/
ComboBox::ComboBox(QDomNode &node, MacroWindow *macrowindow)
: QComboBox(), Widget(node, macrowindow)
{
setCommonAttributes(this, node);
#ifdef STYLE_HACK
setStyle(&s);
#endif/*STYLE_HACK*/
setInsertPolicy(QComboBox::InsertAlphabetically);
QDomNodeList children = node.childNodes();
QStringList itemlist;
for (int i=0; i<children.count();i++) {
QDomNode child = children.at(i);
QDomElement combo_elem = child.toElement();
if(combo_elem.hasAttribute("caption") && combo_elem.hasAttribute("value")) {
addItem(combo_elem.attribute("caption"), combo_elem.attribute("value"));
itemlist << combo_elem.attribute("caption");
} else {
printf("XML Error!!! Combobox item is missing one or more attributes...\n");
}
}
// Make empty default selection.
setCurrentIndex(-1);
QDomElement elem = node.toElement();
combotype = SELECT;
if(elem.hasAttribute("type")) {
if(elem.attribute("type") == "select") combotype = SELECT;
if(elem.attribute("type") == "edit") combotype = EDIT;
if(elem.attribute("type") == "search") combotype = SEARCH;
}
switch(combotype) {
case SELECT:
setEditable(false);
#ifndef STYLE_HACK
setEditable(true);
lineEdit()->setReadOnly(true);
lineEdit()->installEventFilter(this);
#endif/*STYLE_HACK*/
connect(this, SIGNAL(currentIndexChanged(QString)), this, SLOT(changed()));
break;
case EDIT:
setEditable(true);
connect(this, SIGNAL(editTextChanged(QString)), this, SLOT(changed()));
break;
case SEARCH:
setEditable(true);
{
QString rxs = "(";
for(int i = 0; i < itemlist.size(); i++) {
if(rxs != "(") rxs += "|";
rxs += QRegExp::escape(itemlist.at(i));
}
rxs += ")";
rx = QRegExp(rxs);
rx.setCaseSensitivity(Qt::CaseInsensitive);
}
{
QCompleter *completer = new QCompleter(itemlist, this);
completer->setCaseSensitivity(Qt::CaseInsensitive);
completer->setCompletionMode(QCompleter::PopupCompletion);
setCompleter(completer);
setValidator(new QRegExpValidator(rx, this));
}
connect(this, SIGNAL(editTextChanged(QString)), this, SLOT(changed()));
break;
}
ischangingbyuser = false;
changed();
ischangingbyuser = true;
}
QString ComboBox::getValue()
{
QString value;
int idx = currentIndex();
if(idx != -1 && itemText(idx) == currentText()) value = itemData(idx).toString();
else value = currentText();
return value;
}
void ComboBox::setValue(QString value, QString source)
{
if(isUserSource(source)) emit wasChanged();
int idx = findData(value);
// printf("setValue(\"%s\") - %d\n", value.toStdString().c_str(), idx);
ischangingbyuser = false;
setCurrentIndex(idx);
ischangingbyuser = true;
setInitialValue(value);
}
bool ComboBox::isValid()
{
if(combotype == SELECT) {
if(currentIndex() != -1) return true;
else return false;
}
return rx.exactMatch(currentText()) && luaValidator();
}
void ComboBox::changed()
{
if(ischangingbyuser) emit wasChanged();
QPalette palette;
if(isValid() && luaValidator()) {
// valid string
palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
} else {
// invalid string
palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
}
if(lineEdit()) lineEdit()->setPalette(palette);
else setPalette(palette);
}
void ComboBox::enable()
{
setEnabled(true);
}
void ComboBox::disable()
{
setEnabled(false);
}
bool ComboBox::isDisabled()
{
return isEnabled() == false;
}
void ComboBox::connectFrom(const char *signal,
const QObject *receiver, const char *method)
{
connect(this, signal, receiver, method);
}
void ComboBox::connectTo(const QObject *sender, const char *signal,
const char *method)
{
connect(sender, signal, this, method);
}
bool ComboBox::setKeyboardFocus()
{
setFocus();
return true;
}
void ComboBox::setVisibility(bool visible)
{
setVisible(visible);
}
bool ComboBox::eventFilter(QObject *obj, QEvent *event)
{
if(combotype == SELECT) {
if(event->type() == QEvent::MouseButtonRelease) {
showPopup();
}
}
return QObject::eventFilter(obj, event);
}
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