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

1 files changed, 140 insertions, 0 deletions

diff --git a/kmix/viewsliders.cpp b/kmix/viewsliders.cpp
new file mode 100644
index 00000000..cb9b441e
--- /dev/null
+++ b/kmix/viewsliders.cpp
@@ -0,0 +1,140 @@
+/*
+ * KMix -- KDE's full featured mini mixer
+ *
+ *
+ * Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include "viewsliders.h"
+
+// Qt
+#include <qlayout.h>
+#include <qwidget.h>
+
+// KDE
+#include <kdebug.h>
+
+// KMix
+#include "mdwslider.h"
+#include "mixer.h"
+
+/**
+ * Don't instanciate objects of this class directly. It won't work
+ * correctly because init() does not get called.
+ * See ViewInput and ViewOutput for "real" implementations.
+ */
+ViewSliders::ViewSliders(QWidget* parent, const char* name, const QString & caption, Mixer* mixer, ViewBase::ViewFlags vflags)
+      : ViewBase(parent, name, caption, mixer, WStyle_Customize|WStyle_NoBorder, vflags)
+{
+    if ( _vflags & ViewBase::Vertical ) {
+        _layoutMDW = new QVBoxLayout(this);
+    }
+    else {
+        _layoutMDW = new QHBoxLayout(this);
+    }
+    /*
+     * Do not call init(). Call init() only for "end usage" classes.
+     * Otherwise setMixSet() will be called multiple times.
+     * Yes, this is rotten ... I will think of something smart later !!
+     * Perhaps I can have a boolean "init-has-run" instance variable.
+     */
+    //init();
+}
+
+ViewSliders::~ViewSliders() {
+}
+
+void ViewSliders::setMixSet(MixSet *mixset)
+{
+    MixDevice* md;
+    for ( md = mixset->first(); md != 0; md = mixset->next() ) {
+	if ( (! md->isSwitch()) && ( ! md->isEnum() ) ) {
+	    _mixSet->append(md);
+	}
+    }
+}
+
+int ViewSliders::count()
+{
+    return ( _mixSet->count() );	
+}
+
+int ViewSliders::advice() {
+    if (  _mixSet->count() > 0 ) {
+        // The standard input and output views are always advised, if there are devices in it
+        return 100;
+    }
+    else {
+        return 0;
+    }
+}
+
+QWidget* ViewSliders::add(MixDevice *md)
+{
+    Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical;
+    MixDeviceWidget *mdw =
+	new MDWSlider(
+			    _mixer,       // the mixer for this device
+			    md,           // MixDevice (parameter)
+			    true,         // Show Mute LED
+			    true,         // Show Record LED
+			    false,        // Small
+			    orientation,  // Orientation
+			    this,         // parent
+			    this,         // View widget
+			    md->name().latin1()
+			    );
+    _layoutMDW->add(mdw);
+    return mdw;
+}
+
+QSize ViewSliders::sizeHint() const {
+    //    kdDebug(67100) << "ViewSliders::sizeHint(): NewSize is " << _layoutMDW->sizeHint() << "\n";
+    return( _layoutMDW->sizeHint() );
+}
+
+void ViewSliders::constructionFinished() {
+    _layoutMDW->activate();
+}
+
+void ViewSliders::refreshVolumeLevels() {
+    //     kdDebug(67100) << "ViewSliders::refreshVolumeLevels()\n";
+
+     QWidget *mdw = _mdws.first();
+     MixDevice* md;
+     for ( md = _mixSet->first(); md != 0; md = _mixSet->next() ) {
+	 if ( mdw == 0 ) {
+	     kdError(67100) << "ViewSliders::refreshVolumeLevels(): mdw == 0\n";
+	     break; // sanity check (normally the lists are set up correctly)
+	 }
+	 else {
+	     if ( mdw->inherits("MDWSlider")) {
+		 //kdDebug(67100) << "ViewSliders::refreshVolumeLevels(): updating\n";
+		 // a slider, fine. Lets update its value
+		 static_cast<MDWSlider*>(mdw)->update();
+	     }
+	     else {
+		 kdError(67100) << "ViewSliders::refreshVolumeLevels(): mdw is not slider\n";
+		 // no slider. Cannot happen in theory => skip it
+	     }
+	 }
+	 mdw = _mdws.next();
+    }
+}
+
+
+#include "viewsliders.moc"