/*************************************************************************** radioview_frequencyseeker.cpp - description ------------------- begin : Fre Jun 20 2003 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 <math.h> #include <tqlayout.h> #include <tqslider.h> #include <tqtoolbutton.h> #include <tqaccel.h> #include <tqtooltip.h> #include <kiconloader.h> #include <klocale.h> #include "radioview_frequencyseeker.h" RadioViewFrequencySeeker::RadioViewFrequencySeeker(TQWidget *parent, const TQString &name) : RadioViewElement(parent, name, clsRadioSeek), m_btnSearchLeft(NULL), m_btnStepLeft(NULL), m_btnStepRight(NULL), m_btnSearchRight(NULL), m_sldFrequency(NULL), m_ignoreChanges(false) { TQBoxLayout *l = new TQBoxLayout(this, TQBoxLayout::LeftToRight, /*spacing=*/ 3); l->setMargin(0); m_sldFrequency = new TQSlider(Qt::Horizontal, this); m_btnSearchLeft = new TQToolButton(this); m_btnSearchRight = new TQToolButton(this); m_btnStepLeft = new TQToolButton(this); m_btnStepRight = new TQToolButton(this); m_btnSearchLeft ->setToggleButton(true); m_btnSearchRight->setToggleButton(true); m_sldFrequency->setPageStep(1); m_btnSearchLeft ->setIconSet(SmallIconSet("2leftarrow")); m_btnSearchRight->setIconSet(SmallIconSet("2rightarrow")); m_btnStepLeft ->setIconSet(SmallIconSet("1leftarrow")); m_btnStepRight ->setIconSet(SmallIconSet("1rightarrow")); l->addWidget (m_btnSearchLeft); l->addWidget (m_btnStepLeft); l->addWidget (m_sldFrequency); l->addWidget (m_btnStepRight); l->addWidget (m_btnSearchRight); TQObject::connect(m_sldFrequency, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSliderChanged(int))); TQObject::connect(m_btnSearchLeft, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotSearchLeft(bool))); TQObject::connect(m_btnSearchRight, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotSearchRight(bool))); TQObject::connect(m_btnStepLeft, TQT_SIGNAL(clicked()), m_sldFrequency, TQT_SLOT(subtractStep())); TQObject::connect(m_btnStepRight, TQT_SIGNAL(clicked()), m_sldFrequency, TQT_SLOT(addStep())); // Tooltips TQToolTip::add(m_btnSearchLeft, i18n("Search for previous Radio Station")); TQToolTip::add(m_btnSearchRight, i18n("Search for next Radio Station")); TQToolTip::add(m_btnStepLeft, i18n("Decrement Frequency")); TQToolTip::add(m_btnStepRight, i18n("Increment Frequency")); TQToolTip::add(m_sldFrequency, i18n("Change Frequency")); // Accelerators TQAccel *Accel = new TQAccel (this); Accel->insertItem (Key_Left, 100); Accel->insertItem (Key_Right, 101); Accel->connectItem (100, m_sldFrequency, TQT_SLOT(subtractStep())); Accel->connectItem (101, m_sldFrequency, TQT_SLOT(addStep())); } RadioViewFrequencySeeker::~RadioViewFrequencySeeker() { } float RadioViewFrequencySeeker::getUsability (Interface *i) const { if (dynamic_cast<IFrequencyRadio*>(i)) return 0.9; else return 0.0; } // Interface bool RadioViewFrequencySeeker::connectI (Interface *i) { if (IFrequencyRadioClient::connectI(i)) { ISeekRadioClient::connectI(i); return true; } else { return false; } } bool RadioViewFrequencySeeker::disconnectI(Interface *i) { bool a = IFrequencyRadioClient::disconnectI(i); bool b = ISeekRadioClient::disconnectI(i); return a || b; } // ISeekRadioClient bool RadioViewFrequencySeeker::noticeSeekStarted (bool up) { m_ignoreChanges = true; m_btnSearchLeft->setOn(!up); m_btnSearchRight->setOn(up); m_ignoreChanges = false; return true; } bool RadioViewFrequencySeeker::noticeSeekStopped () { m_ignoreChanges = true; m_btnSearchLeft->setOn(false); m_btnSearchRight->setOn(false); m_ignoreChanges = false; return true; } bool RadioViewFrequencySeeker::noticeSeekFinished (const RadioStation &/*s*/, bool /*goodQuality*/) { m_ignoreChanges = true; m_btnSearchLeft->setOn(false); m_btnSearchRight->setOn(false); m_ignoreChanges = false; return true; } // IFrequencyRadioClient bool RadioViewFrequencySeeker::noticeFrequencyChanged(float f, const RadioStation */*s*/) { float step = queryScanStep(); if (step == 0) step = 0.000001; m_ignoreChanges = true; m_sldFrequency->setValue((int)rint(f / step)); m_ignoreChanges = false; return true; } bool RadioViewFrequencySeeker::noticeMinMaxFrequencyChanged(float min, float max) { float step = queryScanStep(); if (step == 0) step = 0.000001; m_ignoreChanges = true; m_sldFrequency->setMinValue((int)rint(min / step)); m_sldFrequency->setMaxValue((int)rint(max / step)); m_sldFrequency->setValue ((int)rint(queryFrequency() / step)); m_ignoreChanges = false; return true; } bool RadioViewFrequencySeeker::noticeDeviceMinMaxFrequencyChanged(float /*min*/, float /*max*/) { return false; // we don't care } bool RadioViewFrequencySeeker::noticeScanStepChanged(float s) { if (s == 0) s = 0.000001; m_ignoreChanges = true; m_sldFrequency->setMinValue((int)rint(queryMinFrequency() / s)); m_sldFrequency->setMaxValue((int)rint(queryMaxFrequency() / s)); m_sldFrequency->setValue ((int)rint(queryFrequency() / s)); m_ignoreChanges = false; return true; } void RadioViewFrequencySeeker::slotSearchLeft(bool on) { if (m_ignoreChanges) return; if (on) { if (queryIsSeekUpRunning()) sendStopSeek(); if (!queryIsSeekRunning()) sendStartSeekDown(); } else { if (queryIsSeekDownRunning()) sendStopSeek(); } if (!queryIsSeekDownRunning()) m_btnSearchLeft->setOn(false); } void RadioViewFrequencySeeker::slotSearchRight(bool on) { if (m_ignoreChanges) return; if (on) { if (queryIsSeekDownRunning()) sendStopSeek(); if (!queryIsSeekRunning()) sendStartSeekUp(); } else { if (queryIsSeekUpRunning()) sendStopSeek(); } if (!queryIsSeekUpRunning()) m_btnSearchRight->setOn(false); } void RadioViewFrequencySeeker::slotSliderChanged(int val) { if (m_ignoreChanges) return; sendFrequency(val * queryScanStep()); } #include "radioview_frequencyseeker.moc"