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tderadio/kradio3/plugins/gui-quickbar/quickbar.cpp

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11 KiB

/***************************************************************************
quickbar.cpp - description
-------------------
begin : Mon Feb 11 2002
copyright : (C) 2002 by Martin Witte / Frank Schwanz
email : witte@kawo1.rwth-aachen.de / schwanz@fh-brandenburg.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 <tqtooltip.h>
#include <tqnamespace.h>
#include <tqhbuttongroup.h>
#include <tqvbuttongroup.h>
#include <ktoolbarbutton.h>
#include <kwin.h>
#include <klocale.h>
#include <kglobal.h>
#include <kconfig.h>
#include <kaboutdata.h>
#include "../../src/include/aboutwidget.h"
#include "../../src/include/station-drag-object.h"
#include "../../src/include/stationlist.h"
#include "../../src/include/radiostation.h"
#include "buttonflowlayout.h"
#include "quickbar-configuration.h"
#include "quickbar.h"
///////////////////////////////////////////////////////////////////////
//// plugin library functions
PLUGIN_LIBRARY_FUNCTIONS(QuickBar, "kradio-gui-quickbar", i18n("Radio Station Quick Selection Toolbar"));
/////////////////////////////////////////////////////////////////////////////
QuickBar::QuickBar(const TQString &name)
: TQWidget(NULL, name.ascii()),
WidgetPluginBase(name, i18n("Quickbar Plugin")),
m_layout(NULL),
m_buttonGroup(NULL),
m_showShortName(true),
m_ignoreNoticeActivation(false)
{
autoSetCaption();
setAcceptDrops(true);
}
QuickBar::~QuickBar()
{
}
bool QuickBar::connectI(Interface *i)
{
bool a = IRadioClient::connectI(i);
bool b = IStationSelection::connectI(i);
bool c = PluginBase::connectI(i);
return a || b || c;
}
bool QuickBar::disconnectI(Interface *i)
{
bool a = IRadioClient::disconnectI(i);
bool b = IStationSelection::disconnectI(i);
bool c = PluginBase::disconnectI(i);
return a || b || c;
}
// IStationSelection
bool QuickBar::setStationSelection(const TQStringList &sl)
{
if (m_stationIDs != sl) {
m_stationIDs = sl;
rebuildGUI();
notifyStationSelectionChanged(m_stationIDs);
}
return true;
}
// PluginBase methods
void QuickBar::restoreState (KConfig *config)
{
config->setGroup(TQString("quickBar-") + name());
WidgetPluginBase::restoreState(config, false);
int nStations = config->readNumEntry("nStations", 0);
m_stationIDs.clear();
for (int i = 1; i <= nStations; ++i) {
TQString s = config->readEntry(TQString("stationID-") + TQString().setNum(i), TQString());
if (s.length())
m_stationIDs += s;
}
rebuildGUI();
notifyStationSelectionChanged(m_stationIDs);
}
void QuickBar::saveState (KConfig *config) const
{
config->setGroup(TQString("quickBar-") + name());
WidgetPluginBase::saveState(config);
config->writeEntry("nStations", m_stationIDs.size());
int i = 1;
TQStringList::const_iterator end = m_stationIDs.end();
for (TQStringList::const_iterator it = m_stationIDs.begin(); it != end; ++it, ++i) {
config->writeEntry(TQString("stationID-") + TQString().setNum(i), *it);
}
}
ConfigPageInfo QuickBar::createConfigurationPage()
{
QuickbarConfiguration *conf = new QuickbarConfiguration(NULL);
connectI (conf);
return ConfigPageInfo(
conf,
i18n("Quickbar"),
i18n("Quickbar Configuration"),
"view_icon"
);
}
AboutPageInfo QuickBar::createAboutPage()
{
/* KAboutData aboutData("kradio",
NULL,
NULL,
I18N_NOOP("Quickback for KRadio"),
KAboutData::License_GPL,
"(c) 2002-2005 Martin Witte, Klas Kalass",
0,
"http://sourceforge.net/projects/kradio",
0);
aboutData.addAuthor("Martin Witte", "", "witte@kawo1.rwth-aachen.de");
aboutData.addAuthor("Klas Kalass", "", "klas.kalass@gmx.de");
return AboutPageInfo(
new KRadioAboutWidget(aboutData, KRadioAboutWidget::AbtTabbed),
i18n("Quickbar"),
i18n("Quickbar Plugin"),
"view_icon"
);*/
return AboutPageInfo();
}
// IRadio methods
bool QuickBar::noticePowerChanged(bool /*on*/)
{
activateCurrentButton();
autoSetCaption();
return true;
}
bool QuickBar::noticeStationChanged (const RadioStation &rs, int /*idx*/)
{
if (!m_ignoreNoticeActivation)
activateButton(rs);
autoSetCaption();
return true;
}
bool QuickBar::noticeStationsChanged(const StationList &/*sl*/)
{
// FIXME
// we can remove no longer existent stationIDs,
// but it doesn't matter if we don't care.
rebuildGUI();
return true;
}
// button management methods
void QuickBar::buttonClicked(int id)
{
// ouch, but we are still using TQStringList :(
if (queryIsPowerOn() && id == getButtonID(queryCurrentStation())) {
sendPowerOff();
} else {
int k = 0;
TQStringList::iterator end = m_stationIDs.end();
for (TQStringList::iterator it = m_stationIDs.begin(); it != end; ++it, ++k) {
if (k == id) {
const RawStationList &sl = queryStations().all();
const RadioStation &rs = sl.stationWithID(*it);
bool old = m_ignoreNoticeActivation;
m_ignoreNoticeActivation = true;
sendActivateStation(rs);
m_ignoreNoticeActivation = old;
sendPowerOn();
}
}
}
// Problem: if we click a button twice, there will be no
// "station changed"-notification. Thus it would be possible to
// enable a button even if power is off or the radio does not
// accept the radiostation
//activateCurrentButton();
}
int QuickBar::getButtonID(const RadioStation &rs) const
{
TQString stationID = rs.stationID();
int k = 0;
TQStringList::const_iterator end = m_stationIDs.end();
for (TQStringList::const_iterator it = m_stationIDs.begin(); it != end; ++it, ++k) {
if (*it == stationID)
return k;
}
return -1;
}
void QuickBar::activateCurrentButton()
{
activateButton(queryCurrentStation());
}
void QuickBar::activateButton(const RadioStation &rs)
{
int buttonID = getButtonID(rs);
bool pwr = queryIsPowerOn();
if (pwr && buttonID >= 0) {
m_buttonGroup->setButton(buttonID);
} else {
for (TQToolButton *b = m_buttons.first(); b; b = m_buttons.next()) {
b->setOn(false);
}
}
autoSetCaption();
}
// KDE/TQt gui
void QuickBar::rebuildGUI()
{
if (m_layout) delete m_layout;
if (m_buttonGroup) delete m_buttonGroup;
for (TQPtrListIterator<TQToolButton> it(m_buttons); it.current(); ++it)
delete it.current();
m_buttons.clear();
m_layout = new ButtonFlowLayout(this);
m_layout->setMargin(1);
m_layout->setSpacing(2);
m_buttonGroup = new TQButtonGroup(this);
TQObject::connect (m_buttonGroup, TQT_SIGNAL(clicked(int)), this, TQT_SLOT(buttonClicked(int)));
// we use buttonGroup to enable automatic toggle/untoggle
m_buttonGroup->setExclusive(true);
m_buttonGroup->setFrameStyle(TQFrame::NoFrame);
m_buttonGroup->show();
int buttonID = 0;
const RawStationList &stations = queryStations().all();
TQStringList::iterator end = m_stationIDs.end();
for (TQStringList::iterator it = m_stationIDs.begin(); it != end; ++it, ++buttonID) {
const RadioStation &rs = stations.stationWithID(*it);
if (! rs.isValid()) continue;
TQToolButton *b = new TQToolButton(this);
m_buttons.append(b);
b->setToggleButton(true);
if (rs.iconName().length())
b->setIconSet(TQPixmap(rs.iconName()));
else
b->setText(m_showShortName ? rs.shortName() : rs.name());
b->setSizePolicy(TQSizePolicy(TQSizePolicy::Preferred, TQSizePolicy::Preferred));
TQToolTip::add(b, rs.longName());
if (isVisible()) b->show();
m_buttonGroup->insert(b, buttonID);
m_layout->add(b);
}
// activate correct button
activateCurrentButton();
// calculate geometry
if (m_layout) {
TQRect r = geometry();
int h = m_layout->heightForWidth( r.width());
if (h > r.height())
setGeometry(r.x(), r.y(), r.width(), h);
}
}
void QuickBar::show()
{
// KWin::setType(winId(), NET::Toolbar);
WidgetPluginBase::pShow();
TQWidget::show();
}
void QuickBar::showOnOrgDesktop()
{
WidgetPluginBase::pShowOnOrgDesktop();
//TQWidget::show();
}
void QuickBar::hide()
{
WidgetPluginBase::pHide();
TQWidget::hide();
}
void QuickBar::showEvent(TQShowEvent *e)
{
TQWidget::showEvent(e);
WidgetPluginBase::pShowEvent(e);
}
void QuickBar::hideEvent(TQHideEvent *e)
{
TQWidget::hideEvent(e);
WidgetPluginBase::pHideEvent(e);
}
void QuickBar::setGeometry (int x, int y, int w, int h)
{
if (m_layout) {
TQSize marginSize(m_layout->margin()*2, m_layout->margin()*2);
setMinimumSize(m_layout->minimumSize(TQSize(w, h) - marginSize) + marginSize);
}
TQWidget::setGeometry (x, y, w, h);
}
void QuickBar::setGeometry (const TQRect &r)
{
setGeometry (r.x(), r.y(), r.width(), r.height());
}
void QuickBar::resizeEvent (TQResizeEvent *e)
{
// minimumSize might change because of the flow layout
if (m_layout) {
TQSize marginSize(m_layout->margin()*2, m_layout->margin()*2);
setMinimumSize(m_layout->minimumSize(e->size() - marginSize) + marginSize);
}
TQWidget::resizeEvent (e);
}
void QuickBar::autoSetCaption()
{
const RadioStation &rs = queryCurrentStation();
setCaption((queryIsPowerOn() && rs.isValid()) ? rs.longName() : TQString("KRadio"));
}
void QuickBar::dragEnterEvent(TQDragEnterEvent* event)
{
bool a = StationDragObject::canDecode(event);
if (a)
IErrorLogClient::staticLogDebug(i18n("contentsDragEnterEvent accepted"));
else
IErrorLogClient::staticLogDebug(i18n("contentsDragEnterEvent rejected"));
event->accept(a);
}
void QuickBar::dropEvent(TQDropEvent* event)
{
TQStringList list;
if ( StationDragObject::decode(event, list) ) {
TQStringList l = getStationSelection();
for (TQValueListConstIterator<TQString> it = list.begin(); it != list.end(); ++it)
if (!l.contains(*it))
l.append(*it);
setStationSelection(l);
}
}
#include "quickbar.moc"