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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* lineedit.cc
*
* Fri Jul 13 12:38:45 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 "lineedit.h"
#include <stdio.h>
#include <QCoreApplication>
#include <QLineEdit>
#include <QEvent>
#include <QKeyEvent>
#include <QCompleter>
#include <QStringListModel>
#include "common.h"
#include "debug.h"
#include "luawidget.h"
LineEdit::LineEdit(QDomNode &node, MacroWindow *macrowindow)
: Widget(node, macrowindow)
{
lineedit = new QLineEdit();
setWidget(lineedit);
setCommonAttributes(lineedit, node);
QDomElement elem = node.toElement();
if(elem.hasAttribute("readonly")) {
if(elem.attribute("readonly") == "true" ||
elem.attribute("readonly") == "1") {
lineedit->setReadOnly(true);
} else if(elem.attribute("readonly") == "false" ||
elem.attribute("readonly") == "0") {
lineedit->setReadOnly(false);
} else {
printf("Unknown value of readonly: %s\n",
elem.attribute("readonly").toStdString().c_str());
}
}
connect(lineedit, SIGNAL(textChanged(QString)), this, SLOT(changed()));
connect(lineedit, SIGNAL(textEdited(QString)), this, SLOT(user_changed()));
lineedit->installEventFilter(this); // Detect keyboard input.
QCompleter *comp = new QCompleter();
comp->setCaseSensitivity(Qt::CaseInsensitive);
QStringListModel *mdl = new QStringListModel();
comp->setModel(mdl);
// comp->popup()->setWindowOpacity(0.3);
lineedit->setCompleter(comp);
}
LineEdit::~LineEdit()
{
// delete lineedit;
}
void LineEdit::changed()
{
// if(lineedit->completer()->popup()->isVisible()) return;
emit eventOnChange();
}
void LineEdit::user_changed()
{
emit eventOnChange();
emit wasChanged();
}
QString LineEdit::value()
{
return lineedit->text();
}
void LineEdit::setValue(QString value, QString source)
{
if(isUserSource(source)) emit wasChanged();
// Hack to make sure the textChanged signal is emitted.
if(lineedit->text() == value) lineedit->setText(value + " ");
lineedit->setText(value);
// setInitialValue(value);
}
bool LineEdit::eventFilter(QObject *obj, QEvent *event)
{
if(event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
if(keyEvent->key() == Qt::Key_Return ||
keyEvent->key() == Qt::Key_Enter) {
QKeyEvent tabevent(QEvent::KeyPress, Qt::Key_Tab, Qt::NoModifier);
QCoreApplication::sendEvent(lineedit, &tabevent);
}
}
return Widget::eventFilter(obj, event);
}
void LineEdit::changeEvent(QEvent *event)
{
if(event->type() == QEvent::EnabledChange) {
changed();
}
}
void LineEdit::setWdgValid(bool valid)
{
DEBUG(lineedit, "Set valid(%s)\n", valid?"true":"false");
QPalette palette;
if(valid) {
// valid string
palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
} else {
// invalid string
palette.setBrush(QPalette::Base, QBrush(QColor(230, 200, 200)));
}
lineedit->setPalette(palette);
}
void LineEdit::clearSuggestions()
{
QCompleter *comp = lineedit->completer();
QStringListModel *mdl = (QStringListModel *)comp->model();
suggestions.clear();
mdl->setStringList(suggestions);
}
void LineEdit::addSuggestion(QString suggestion)
{
suggestions << suggestion;
suggestions.sort();
QCompleter *comp = lineedit->completer();
QStringListModel *mdl = (QStringListModel *)comp->model();
mdl->setStringList(suggestions);
}
bool LineEdit::isSuggested(QString val)
{
return suggestions.contains(val);
}
void LineEdit::showSuggestions()
{
QCompleter *comp = lineedit->completer();
comp->complete();
}
int lin_clear_suggestions(lua_State *L)
{
wdg_userdata *wdgu;
wdgu = (wdg_userdata *)lua_touserdata(L, 1);
luaL_argcheck(L, wdgu, 1, "lineedit expected");
LineEdit *led = (LineEdit*)wdgu->widget;
led->clearSuggestions();
return 0;
}
int lin_show_suggestions(lua_State *L)
{
wdg_userdata *wdgu;
wdgu = (wdg_userdata *)lua_touserdata(L, 1);
luaL_argcheck(L, wdgu, 1, "lineedit expected");
LineEdit *led = (LineEdit*)wdgu->widget;
led->showSuggestions();
return 0;
}
int lin_is_suggested(lua_State *L)
{
wdg_userdata *wdgu;
wdgu = (wdg_userdata *)lua_touserdata(L, 1);
luaL_argcheck(L, wdgu, 1, "lineedit expected");
const char *val = luaL_checkstring(L, 2);
LineEdit *led = (LineEdit*)wdgu->widget;
lua_pushboolean(L, led->isSuggested(val));
return 1;
}
int lin_add_suggestion(lua_State *L)
{
wdg_userdata *wdgu;
wdgu = (wdg_userdata *)lua_touserdata(L, 1);
luaL_argcheck(L, wdgu, 1, "lineedit expected");
const char *val = luaL_checkstring(L, 2);
LineEdit *led = (LineEdit*)wdgu->widget;
led->addSuggestion(val);
return 0;
}
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