diff options
Diffstat (limited to 'plugins/gui-standard-display/radioview_frequencyseeker.cpp')
| -rw-r--r-- | plugins/gui-standard-display/radioview_frequencyseeker.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/plugins/gui-standard-display/radioview_frequencyseeker.cpp b/plugins/gui-standard-display/radioview_frequencyseeker.cpp new file mode 100644 index 0000000..2534dbe --- /dev/null +++ b/plugins/gui-standard-display/radioview_frequencyseeker.cpp @@ -0,0 +1,250 @@ +/*************************************************************************** + 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 <tdelocale.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" |