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tdenetwork/kdict/matchview.cpp

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/* -------------------------------------------------------------
matchview.cpp (part of The KDE Dictionary Client)
Copyright (C) 2000-2001 Christian Gebauer <gebauer@kde.org>
This file is distributed under the Artistic License.
See LICENSE for details.
-------------------------------------------------------------
MatchView This widget contains the list of matching definitions
------------------------------------------------------------- */
#include <qclipboard.h>
#include <qcombobox.h>
#include <qpushbutton.h>
#include <qheader.h>
#include <qlayout.h>
#include <qpainter.h>
#include <qregexp.h>
#include <kpopupmenu.h>
#include <klocale.h>
#include <kapplication.h>
#include <kiconloader.h>
#include <kmessagebox.h>
#include "dict.h"
#include "options.h"
#include "matchview.h"
//********* MatchViewItem ********************************************
MatchViewItem::MatchViewItem(QListView *view, const QString &text)
: QListViewItem(view,text)
{
}
MatchViewItem::MatchViewItem(QListView *view,QListViewItem *after,const QString &text)
: QListViewItem(view,after,text)
{
}
MatchViewItem::MatchViewItem(QListViewItem *item,const QString &text,const QString &commandStr)
: QListViewItem(item,text), command(commandStr)
{
}
MatchViewItem::MatchViewItem(QListViewItem *item,QListViewItem *after,const QString &text,const QString &commandStr)
: QListViewItem(item,after,text), command(commandStr)
{
}
MatchViewItem::~MatchViewItem()
{
}
void MatchViewItem::setOpen(bool o)
{
if (o && !childCount()) {
listView()->setUpdatesEnabled(false);
MatchViewItem *sub=0;
QString command, label;
QRegExp exp("\"*\"", true, true);
QStringList::iterator it;
for (it = subEntrys.begin(); it != subEntrys.end(); ++it) {
command = "define ";
command += (*it);
command += "\r\n";
exp.search((*it));
label = exp.cap();
label = label.mid(1, label.length()-2); // remove quotes
if (sub)
sub = new MatchViewItem(this, sub, label, command);
else
sub = new MatchViewItem(this, label, command);
}
subEntrys.clear();
listView()->setUpdatesEnabled(true);
}
if (childCount())
QListViewItem::setOpen(o);
}
void MatchViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
{
if(command.isEmpty()) {
QFont font=p->font();
font.setBold(true);
p->setFont(font);
}
QListViewItem::paintCell(p,cg,column,width,alignment);
}
//********* MatchView ******************************************
MatchView::MatchView(QWidget *parent, const char *name)
: QWidget(parent,name),getOn(false),getAllOn(false)
{
setCaption(kapp->makeStdCaption(i18n("Match List")));
QVBoxLayout * boxLayout = new QVBoxLayout(this, 1, 0);
boxLayout->addSpacing(1);
w_strat = new QComboBox(false,this);
w_strat->setFixedHeight(w_strat->sizeHint().height());
connect(w_strat,SIGNAL(activated(int)),this,SLOT(strategySelected(int)));
boxLayout->addWidget(w_strat,0);
boxLayout->addSpacing(1);
w_list = new QListView(this);
w_list->setFocusPolicy(QWidget::StrongFocus);
w_list->header()->hide();
w_list->addColumn("foo");
w_list->setColumnWidthMode(0,QListView::Maximum);
w_list->setColumnWidth(0,0);
w_list->setSelectionMode(QListView::Extended);
w_list->setTreeStepSize(18);
w_list->setSorting(-1); // disable sorting
w_list->setMinimumHeight(w_strat->sizeHint().height());
connect(w_list,SIGNAL(selectionChanged()),SLOT(enableGetButton()));
connect(w_list,SIGNAL(returnPressed(QListViewItem *)),SLOT(returnPressed(QListViewItem *)));
connect(w_list,SIGNAL(doubleClicked(QListViewItem *)),SLOT(getOneItem(QListViewItem *)));
connect(w_list,SIGNAL(mouseButtonPressed(int, QListViewItem *, const QPoint &, int)),
SLOT(mouseButtonPressed(int, QListViewItem *, const QPoint &, int)));
connect(w_list,SIGNAL(rightButtonPressed(QListViewItem *,const QPoint &,int)),SLOT(buildPopupMenu(QListViewItem *,const QPoint &,int)));
boxLayout->addWidget(w_list,1);
boxLayout->addSpacing(1);
w_get = new QPushButton(i18n("&Get Selected"),this);
w_get->setFixedHeight(w_get->sizeHint().height()-3);
w_get->setMinimumWidth(w_get->sizeHint().width()-20);
w_get->setEnabled(false);
connect(w_get, SIGNAL(clicked()), this, SLOT(getSelected()));
boxLayout->addWidget(w_get,0);
w_getAll = new QPushButton(i18n("Get &All"),this);
w_getAll->setFixedHeight(w_getAll->sizeHint().height()-3);
w_getAll->setMinimumWidth(w_getAll->sizeHint().width()-20);
w_getAll->setEnabled(false);
connect(w_getAll, SIGNAL(clicked()), this, SLOT(getAll()));
boxLayout->addWidget(w_getAll,0);
connect(interface,SIGNAL(matchReady(const QStringList &)),this,SLOT(newList(const QStringList &)));
rightBtnMenu = new KPopupMenu();
}
MatchView::~MatchView()
{
}
void MatchView::updateStrategyCombo()
{
w_strat->clear();
w_strat->insertStringList(global->strategies);
w_strat->setCurrentItem(global->currentStrategy);
}
bool MatchView::selectStrategy(const QString &strategy) const
{
int newCurrent = global->strategies.findIndex(strategy);
if (newCurrent == -1)
return false;
else {
global->currentStrategy = newCurrent;
w_strat->setCurrentItem(global->currentStrategy);
return true;
}
}
void MatchView::match(const QString &query)
{
interface->match(query.utf8());
}
void MatchView::closeEvent ( QCloseEvent * e )
{
e->accept(); // hides the widget
emit(windowClosed());
}
void MatchView::strategySelected(int num)
{
global->currentStrategy = num;
}
void MatchView::enableGetButton()
{
if (w_getAll->isEnabled()) {
w_get->setEnabled(true);
getOn = true;
}
}
void MatchView::mouseButtonPressed(int button, QListViewItem *, const QPoint &, int)
{
if (button == MidButton)
emit(clipboardRequested());
}
void MatchView::returnPressed(QListViewItem *)
{
getSelected();
}
void MatchView::getOneItem(QListViewItem *i)
{
QStringList defines;
if ((!i->childCount())&&(i->parent()))
defines.append(((MatchViewItem *)(i))->command);
else {
i = i->firstChild();
while (i) {
defines.append(((MatchViewItem *)(i))->command);
i = i->nextSibling();
}
}
doGet(defines);
}
void MatchView::getSelected()
{
QStringList defines;
MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
MatchViewItem *sub;
while (top) {
if (top->isSelected()&&(!top->subEntrys.isEmpty())) {
QString command;
QStringList::iterator it;
for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
command = "define ";
command += (*it);
command += "\r\n";
defines.append(command);
}
} else {
sub = static_cast<MatchViewItem*>(top->firstChild());
while (sub) {
if (top->isSelected()||sub->isSelected())
defines.append(sub->command);
sub = static_cast<MatchViewItem*>(sub->nextSibling());
}
}
top = static_cast<MatchViewItem*>(top->nextSibling());
}
doGet(defines);
}
void MatchView::getAll()
{
QStringList defines;
MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
MatchViewItem *sub;
while (top) {
if (!top->subEntrys.isEmpty()) {
QString command;
QStringList::iterator it;
for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
command = "define ";
command += (*it);
command += "\r\n";
defines.append(command);
}
} else {
sub = static_cast<MatchViewItem*>(top->firstChild());
while (sub) {
defines.append(sub->command);
sub = static_cast<MatchViewItem*>(sub->nextSibling());
}
}
top = static_cast<MatchViewItem*>(top->nextSibling());
}
doGet(defines);
}
void MatchView::doGet(QStringList &defines)
{
if (defines.count() > 0) {
if (defines.count() > global->maxDefinitions) {
KMessageBox::sorry(global->topLevel,i18n("You have selected %1 definitions,\nbut Kdict will fetch only the first %2 definitions.\nYou can modify this limit in the Preferences Dialog.")
.arg(defines.count()).arg(global->maxDefinitions));
while (defines.count()>global->maxDefinitions)
defines.pop_back();
}
interface->getDefinitions(defines);
}
}
void MatchView::newList(const QStringList &matches)
{
MatchViewItem *top=0;
bool initialOpen = (matches.count()<200);
int numDb = 0;
rightBtnMenu->hide();
w_list->clear();
w_list->setColumnWidth(0,0);
w_list->setUpdatesEnabled(false);
w_get->setEnabled(false);
getOn = false;
if (matches.isEmpty()) {
w_list->setColumnWidth(0,w_get->width()-5);
w_list->setRootIsDecorated(false);
w_getAll->setEnabled(false);
getAllOn = false;
top = new MatchViewItem(w_list,top,i18n(" No Hits"));
} else {
w_list->setRootIsDecorated(true);
w_getAll->setEnabled(true);
getAllOn = true;
QString lastDb, db, match;
QStringList::const_iterator it;
for (it = matches.begin(); it != matches.end(); ++it) {
db = (*it).section(' ', 0, 0);
if (db != lastDb) {
numDb++;
if (top) {
top->setOpen(initialOpen);
top = new MatchViewItem(w_list, top, db);
} else
top = new MatchViewItem(w_list, db);
top->setExpandable(true);
lastDb = db;
}
if (top)
top->subEntrys.append(*it);
}
if ((numDb == 1)||(initialOpen))
top->setOpen(true);
}
w_list->setUpdatesEnabled(true);
w_list->repaint();
w_list->setFocus();
}
// construct the right-mouse-button-popup-menu on demand
void MatchView::buildPopupMenu(QListViewItem *i, const QPoint &_point, int)
{
rightBtnMenu->clear();
if ((i!=0L)&&(i->isExpandable()||i->parent())) {
popupCurrent = (MatchViewItem *)(i);
rightBtnMenu->insertItem(i18n("&Get"),this,SLOT(popupGetCurrent()));
if (!i->isExpandable()) { // toplevel item -> only "get"
rightBtnMenu->insertItem(i18n("&Match"),this,SLOT(popupMatchCurrent()));
rightBtnMenu->insertItem(i18n("&Define"),this,SLOT(popupDefineCurrent()));
}
rightBtnMenu->insertSeparator();
}
kapp->clipboard()->setSelectionMode(false);
QString text = kapp->clipboard()->text();
if (text.isEmpty()) {
kapp->clipboard()->setSelectionMode(true);
text = kapp->clipboard()->text();
}
if (!text.isEmpty()) {
popupClip = kapp->clipboard()->text();
rightBtnMenu->insertItem(i18n("Match &Clipboard Content"),this,SLOT(popupMatchClip()));
rightBtnMenu->insertItem(SmallIcon("define_clip"),i18n("D&efine Clipboard Content"),this,SLOT(popupDefineClip()));
rightBtnMenu->insertSeparator();
}
int ID = rightBtnMenu->insertItem(i18n("Get &Selected"),this,SLOT(getSelected()));
rightBtnMenu->setItemEnabled(ID,getOn);
ID = rightBtnMenu->insertItem(i18n("Get &All"),this,SLOT(getAll()));
rightBtnMenu->setItemEnabled(ID,getAllOn);
if (w_list->childCount()) {
rightBtnMenu->insertSeparator();
rightBtnMenu->insertItem(i18n("E&xpand List"),this,SLOT(expandList()));
rightBtnMenu->insertItem(i18n("C&ollapse List"),this,SLOT(collapseList()));
}
rightBtnMenu->popup(_point);
}
void MatchView::popupGetCurrent()
{
getOneItem(popupCurrent);
}
void MatchView::popupDefineCurrent()
{
emit(defineRequested(popupCurrent->text(0)));
}
void MatchView::popupMatchCurrent()
{
emit(matchRequested(popupCurrent->text(0)));
}
void MatchView::popupDefineClip()
{
emit(defineRequested(popupClip));
}
void MatchView::popupMatchClip()
{
emit(matchRequested(popupClip));
}
void MatchView::expandList()
{
QListViewItem *top = w_list->firstChild();
while (top) {
w_list->setOpen(top,true);
top = top->nextSibling();
}
}
void MatchView::collapseList()
{
w_list->setCurrentItem(w_list->firstChild());
QListViewItem *top = w_list->firstChild();
while (top) {
w_list->setOpen(top,false);
top = top->nextSibling();
}
}
//--------------------------------
#include "matchview.moc"
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