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Diffstat (limited to 'src/radiostation-listview.cpp')
| -rw-r--r-- | src/radiostation-listview.cpp | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/src/radiostation-listview.cpp b/src/radiostation-listview.cpp new file mode 100644 index 0000000..4c7fe64 --- /dev/null +++ b/src/radiostation-listview.cpp @@ -0,0 +1,259 @@ +/*************************************************************************** + radiostation-listview.cpp - description + ------------------- + begin : Mi Feb 3 2004 + copyright : (C) 2003 by Martin Witte + email : witte@kawo1.rwth-aachen.de + ***************************************************************************/ + +/*************************************************************************** + * * + * This program 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. * + * * + ***************************************************************************/ + +#include "include/radiostation-listview.h" +#include "include/stationlist.h" +#include "include/radiostation.h" +#include "include/station-drag-object.h" + +#include <tdelocale.h> +#include <tqfile.h> +#include <tqimage.h> +#include <tqpixmap.h> + +#include <tdeconfig.h> + +RadioStationListView::RadioStationListView(TQWidget *parent, const char *name) + : TDEListView(parent, name) +{ + addColumn(i18n("No.")); + addColumn(i18n("Icon")); + addColumn(i18n("Station")); + addColumn(i18n("Description")); + setAllColumnsShowFocus(true); + setSorting(-1); + + TQObject::connect(this, TQT_SIGNAL(spacePressed(TQListViewItem*)), + this, TQT_SLOT(slotStationActivation(TQListViewItem* ))); + TQObject::connect(this, TQT_SIGNAL(returnPressed(TQListViewItem*)), + this, TQT_SLOT(slotStationActivation(TQListViewItem* ))); + TQObject::connect(this, TQT_SIGNAL(doubleClicked(TQListViewItem*)), + this, TQT_SLOT(slotStationActivation(TQListViewItem *))); + TQObject::connect(this, TQT_SIGNAL(currentChanged(TQListViewItem*)), + this, TQT_SLOT(slotCurrentStationChanged(TQListViewItem *))); + + setAcceptDrops(true); +} + + +RadioStationListView::~RadioStationListView() +{ +} + + +TQListViewItem *RadioStationListView::getItemForIndex(int idx) const +{ + TQListViewItem *item = NULL; + + if (idx >= 0 && idx < childCount()) { + item = firstChild(); + int i = 0; + while (item && i < idx) { + item = item->nextSibling(); + ++i; + } + } + return item; +} + + +int RadioStationListView::getIndexForItem(TQListViewItem *queryItem) const +{ + int idx = -1; + + if (queryItem) { + TQListViewItem *item = firstChild(); + ++idx; + while (item && item != queryItem) { + item = item->nextSibling(); + ++idx; + } + if (!item) + idx = -1; + } + + return idx; +} + + +void RadioStationListView::setStation(int idx, const RadioStation &s, int nr) +{ + TQListViewItem *item = getItemForIndex(idx); + + if (idx < 0) { + item = new TQListViewItem(this, firstChild()); + firstChild()->moveItem(item); + m_StationIDs.prepend(s.stationID()); + idx = 0; + } else if (idx >= childCount()) { + item = new TQListViewItem(this, lastChild()); + m_StationIDs.append(s.stationID()); + idx = childCount() - 1; + } + + if (item) { + item->setDragEnabled(true); + item->setDropEnabled(true); + + item->setText(0, TQString::number(nr > 0 ? nr : idx+1)); + item->setText(2, s.name()); + item->setText(3, s.description()); + + m_StationIDs[idx] = s.stationID(); + + TQImage img(s.iconName()); + if (!img.isNull()) { + int h = img.height(); + float f = 0.9 * (float)(item->height()) / (h ? (float)h : 1.0); + item->setPixmap(1, img.smoothScale((int)(img.width()*f), (int)(h * f))); + } else { + item->setPixmap(1, TQPixmap()); + } + } +} + + +void RadioStationListView::appendStation(const RadioStation &st, int nr) +{ + setStation(childCount(), st, nr); +} + + +void RadioStationListView::setStations(const StationList &stations) +{ + clear(); + for (RawStationList::Iterator it(stations.all()); it.current(); ++it) { + setStation(childCount(), *it.current()); + } +} + + +void RadioStationListView::removeStation(int idx) +{ + TQListViewItem *item = getItemForIndex(idx); + if (item) { + delete item; + m_StationIDs.remove(m_StationIDs.at(idx)); + } +} + +void RadioStationListView::takeItem(TQListViewItem *item, int idx) +{ + TQListView::takeItem(item); + m_StationIDs.remove(m_StationIDs.at(idx)); +} + +void RadioStationListView::insertItem(TQListViewItem *item, const TQString &stationid, int idx_to) +{ + TQListView::insertItem(item); + m_StationIDs.insert(m_StationIDs.at(idx_to), stationid); +} + +void RadioStationListView::setCurrentStation(int idx) +{ + TQListViewItem *item = getItemForIndex(idx); + if (item) { + clearSelection(); + setSelected(item, true); + setCurrentItem(item); + } +} + + +int RadioStationListView::currentStationIndex() const +{ + return getIndexForItem(currentItem()); +} + + +void RadioStationListView::slotStationActivation(TQListViewItem *item) +{ + emit sigStationActivated(getIndexForItem(item)); +} + + +void RadioStationListView::slotCurrentStationChanged(TQListViewItem *item) +{ + emit sigCurrentStationChanged(getIndexForItem(item)); +} + + +void RadioStationListView::saveState (TDEConfig *cfg) const +{ + if (!cfg) + return; + for (int i = 0; i < 4; ++i) + cfg->writeEntry(TQString(name()) + "_radiostation_listview_col_" + TQString::number(i), columnWidth(i)); +} + + +void RadioStationListView::restoreState (TDEConfig *cfg) +{ + if (!cfg) + return; + for (int i = 0; i < 4; ++i) + setColumnWidth(i, cfg->readNumEntry(TQString(name()) + "_radiostation_listview_col_" + TQString::number(i), -1)); +} + + +TQDragObject *RadioStationListView::dragObject() +{ + TQStringList list; + TQListViewItem *item = firstChild(); + for (int idx = 0; item; ++idx, item = item->nextSibling()) { + if (item->isSelected()) { + list.append(m_StationIDs[idx]); + } + } + return new StationDragObject(list, this); +} + +void RadioStationListView::dragEnterEvent(TQDragEnterEvent* event) +{ + event->accept(StationDragObject::canDecode(event)); +} + +void RadioStationListView::contentsDragEnterEvent(TQDragEnterEvent* event) +{ + bool a = StationDragObject::canDecode(event); + if (a) + IErrorLogClient::staticLogDebug(i18n("contentsDragEnterEvent accepted")); + else + IErrorLogClient::staticLogDebug(i18n("contentsDragEnterEvent rejected")); + event->accept(a); +} + +void RadioStationListView::dropEvent(TQDropEvent* event) +{ + TQStringList list; + + if ( StationDragObject::decode(event, list) ) { + emit sigStationsReceived(list); + } +} + +void RadioStationListView::contentsDropEvent(TQDropEvent* event) +{ + dropEvent(event); +} + +void RadioStationListView::contentsDragMoveEvent(TQDragMoveEvent* event) +{ + event->accept(); +} + +#include "radiostation-listview.moc" |