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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /noatun/library/equalizerview.cpp
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'noatun/library/equalizerview.cpp')
-rw-r--r--noatun/library/equalizerview.cpp325
1 files changed, 325 insertions, 0 deletions
diff --git a/noatun/library/equalizerview.cpp b/noatun/library/equalizerview.cpp
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+#include "vequalizer.h"
+#define EQVIEW_CPP
+#include "equalizerview.h"
+#undef EQVIEW_CPP
+#include "equalizerwidget.h"
+#include "app.h"
+
+#include <knuminput.h>
+#include <kdialog.h>
+#include <kdebug.h>
+#include <kiconloader.h>
+#include <klocale.h>
+
+#include <qlayout.h>
+#include <qslider.h>
+#include <qcheckbox.h>
+#include <qlabel.h>
+#include <qtabwidget.h>
+#include <qpushbutton.h>
+#include <qheader.h>
+#include <qfileinfo.h>
+#include <qhbox.h>
+#include <qvbox.h>
+#include <qframe.h>
+#include <qgroupbox.h>
+
+#define EQ (napp->vequalizer())
+
+
+////////////////////////////////////////////////
+// PresetList
+
+PresetList::PresetList(QWidget *parent, const char *name)
+ : KListView(parent, name)
+{
+ setItemsRenameable(true);
+ setRenameable(0, true);
+ addColumn(""); // first column is the visible one
+ addColumn("", 0); // create one column to store cruft in
+ setColumnWidthMode(0, QListView::Maximum);
+ header()->setStretchEnabled(true,0);
+ header()->hide();
+ // a try to set a sne minimum width. unfortuately the custom item
+ // still doesn't draw all text with that minimum width
+ setMinimumWidth(kapp->fontMetrics().boundingRect(i18n("Custom")).width()+2*itemMargin());
+}
+
+void PresetList::rename(QListViewItem *item, int c)
+{
+ // We can't rename the "Custom" metapreset
+ if (item->text(0)==i18n("Custom"))
+ return;
+
+ // Or presets we don't have write access to
+ if (!QFileInfo(item->text(1)).isWritable())
+ return;
+
+ KListView::rename(item, c);
+}
+
+////////////////////////////////////////////////
+// EqualizerLevel
+
+EqualizerLevel::EqualizerLevel(QWidget *parent, VBand band)
+ : QWidget(parent), mBand(band)
+{
+ QVBoxLayout *layout = new QVBoxLayout(this,
+ 0, 0, "EqualizerLevel::layout");
+
+ mSlider = new QSlider(-200, 200, 25, 0, Qt::Vertical, this, "EqualizerLevel::mSlider");
+ mSlider->setTickmarks(QSlider::Left);
+ mSlider->setTickInterval(25);
+ layout->addWidget(mSlider);
+ connect(mSlider, SIGNAL(valueChanged(int)), SLOT(changed(int)));
+ mLabel = new QLabel("", this, "EqualizerLevel::mLabel");
+ mLabel->setAlignment(AlignHCenter | AlignVCenter);
+ layout->addWidget(mLabel);
+
+ setMinimumHeight(200);
+// setMinimumWidth(kapp->fontMetrics().width("158kHz"));
+// setMinimumWidth(kapp->fontMetrics().width("549kHz"));
+
+ setBand(band);
+
+ connect(EQ, SIGNAL(modified()), SLOT(changed()));
+ connect(mSlider, SIGNAL(valueChanged(int)), SLOT(changed(int)));
+}
+
+void EqualizerLevel::setBand(VBand band)
+{
+ mBand = band;
+ mLabel->setText(band.format());
+ changed();
+}
+
+void EqualizerLevel::changed()
+{
+ mSlider->setValue(-mBand.level());
+}
+
+void EqualizerLevel::changed(int v)
+{
+ mBand.setLevel(-v);
+}
+
+
+///////////////////////////////////////////////
+// EqualizerView
+
+EqualizerView::EqualizerView()
+ : KDialogBase(0L, "EqualizerView", false, i18n("Equalizer"), Help | Close, Close, true),
+ first(true), mWidget(0), bandsLayout(0), mPresets(0), mGoingPreset(false)
+{
+ mBands.setAutoDelete(true);
+}
+
+void EqualizerView::show()
+{
+ if (first)
+ {
+ first = false;
+ setIcon(SmallIcon("noatun"));
+ mWidget = new EqualizerWidget(this, "mWidget");
+ setMainWidget(mWidget);
+
+ bandsLayout = new QHBoxLayout(mWidget->bandsFrame,
+ 0, KDialog::spacingHint(), "bandsLayout");
+
+ connect(mWidget->preampSlider, SIGNAL(valueChanged(int)),
+ this, SLOT(setPreamp(int)));
+ connect(EQ, SIGNAL(preampChanged(int)),
+ this, SLOT(changedPreamp(int)));
+
+ mWidget->bandCount->setRange(EQ->minBands(), EQ->maxBands());
+ connect(mWidget->bandCount, SIGNAL(valueChanged(int)),
+ EQ, SLOT(setBands(int)));
+
+ QVBoxLayout *l = new QVBoxLayout(mWidget->presetFrame);
+ mPresets = new PresetList(mWidget->presetFrame, "mPresets");
+ l->addWidget(mPresets);
+
+ connect(mWidget->removePresetButton, SIGNAL(clicked()), SLOT(remove()));
+ connect(mWidget->addPresetButton, SIGNAL(clicked()), SLOT(create()));
+ connect(mWidget->resetEqButton, SIGNAL(clicked()), SLOT(reset()));
+
+ new KListViewItem(mPresets, i18n("Custom"));
+
+ connect(mPresets, SIGNAL(currentChanged(QListViewItem*)),
+ this, SLOT(select(QListViewItem*)));
+
+ connect(mPresets, SIGNAL(itemRenamed(QListViewItem*)),
+ this, SLOT(rename(QListViewItem*)));
+
+ // populate the preset list
+ QValueList<VPreset> presets = EQ->presets();
+ QValueList<VPreset>::Iterator it;
+ for (it=presets.begin(); it!=presets.end(); ++it)
+ {
+ created(*it);
+ }
+
+ connect(EQ, SIGNAL(created(VPreset)), SLOT(created(VPreset)));
+ connect(EQ, SIGNAL(renamed(VPreset)), SLOT(renamed(VPreset)));
+ connect(EQ, SIGNAL(removed(VPreset)), SLOT(removed(VPreset)));
+
+ mWidget->enabledCheckBox->setChecked(EQ->isEnabled());
+ connect(mWidget->enabledCheckBox, SIGNAL(toggled(bool)),
+ EQ, SLOT(setEnabled(bool)));
+ connect(EQ, SIGNAL(enabled(bool)),
+ mWidget->enabledCheckBox, SLOT(setChecked(bool)));
+
+ connect(EQ, SIGNAL(changed()),
+ this, SLOT(changedEq()));
+ connect(EQ, SIGNAL(changedBands()),
+ this, SLOT(changedBands()));
+
+ changedBands();
+ changedEq();
+ } // END if(first)
+
+ if (isVisible())
+ raise();
+ else
+ KDialogBase::show();
+}
+
+QListViewItem *EqualizerView::itemFor(const QString &filename)
+{
+ for (QListViewItem *i=mPresets->firstChild(); i!=0; i=i->itemBelow())
+ {
+ QString t = i->text(1);
+ if ((t.length()==0 && filename.length()==0) || t==filename)
+ return i;
+ }
+ return 0;
+}
+
+QListViewItem *EqualizerView::itemFor(const VPreset &preset)
+{
+ return itemFor(preset.file());
+}
+
+// why is it that when you move a QSlider up, it goes down?
+void EqualizerView::setPreamp(int x)
+{
+ EQ->setPreamp(-x);
+}
+
+void EqualizerView::changedPreamp(int x)
+{
+ mWidget->preampSlider->setValue(-x);
+}
+
+
+void EqualizerView::changedBands()
+{
+ mBands.clear();
+
+ VEqualizer &eq = *EQ;
+ for (int i=0; i < eq.bands(); ++i)
+ {
+ EqualizerLevel *l = new EqualizerLevel(mWidget->bandsFrame, eq[i]);
+ bandsLayout->addWidget(l);
+ l->show();
+ mBands.append(l);
+ }
+
+ mWidget->bandCount->setValue(eq.bands());
+ changedEq();
+}
+
+void EqualizerView::changedEq()
+{
+ if (!mGoingPreset)
+ {
+ QListViewItem *customitem = itemFor("");
+ if (!customitem) // this should never happen!
+ return;
+ mPresets->setSelected(customitem, true);
+ }
+}
+
+void EqualizerView::removed(VPreset p)
+{
+ delete itemFor(p);
+}
+
+void EqualizerView::created(VPreset p)
+{
+ // store the filename in QListViewItem::text(0)
+ QString n = p.name();
+ QString f = p.file();
+ new KListViewItem(mPresets, n, f);
+}
+
+void EqualizerView::renamed(VPreset p)
+{
+ QListViewItem *renamed = itemFor(p);
+ if (!renamed) // WTF !
+ {
+ created(p);
+ return;
+ }
+ renamed->setText(0, p.name());
+}
+
+void EqualizerView::remove()
+{
+ QListViewItem *current=mPresets->currentItem();
+ if (current->text(0)==i18n("Custom"))
+ return;
+ QListViewItem *then=current->itemAbove();
+ if (!then) then=current->itemBelow();
+
+ if (then)
+ mPresets->setSelected(then, true);
+
+ VPreset p = EQ->presetByFile(current->text(1));
+ p.remove();
+}
+
+void EqualizerView::create()
+{
+ VPreset p = EQ->createPreset(i18n("New Preset"));
+
+ mGoingPreset = true;
+
+ // Load the new preset
+ p.load();
+
+ // We should have just made a list view item for this preset
+ // See EquailizerView::presetAdded()
+ QListViewItem *i = itemFor(p);
+
+ if (i)
+ mPresets->setSelected(i, true);
+
+ mGoingPreset = false;
+}
+
+void EqualizerView::reset()
+{
+ VEqualizer &eq = *EQ;
+ eq.setPreamp(0);
+ for (int i=0; i < eq.bands(); ++i)
+ eq.band(i).setLevel(0);
+
+}
+
+void EqualizerView::rename(QListViewItem *item)
+{
+ EQ->presetByFile(item->text(1)).setName(item->text(0));
+ item->setText(0, EQ->presetByFile(item->text(1)).name());
+}
+
+void EqualizerView::select(QListViewItem *item)
+{
+ mGoingPreset = true;
+ EQ->presetByFile(item->text(1)).load();
+ mGoingPreset = false;
+ mWidget->removePresetButton->setEnabled(item->text(1).length());
+}
+
+#undef EQ
+#include "equalizerview.moc"