Added layout friendly constructor to this base class.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29215 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/ChannelControl.h

@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2008 Haiku, Inc. All rights reserved.
+ * Copyright (C) 2008-2009 Haiku, Inc. All rights reserved.
- * Distributed under the terms of the MIT/X11 license.
+ * Distributed under the terms of the MIT license.
  */
 #ifndef _CHANNEL_CONTROL_H
 #define _CHANNEL_CONTROL_H
@@ -19,6 +19,10 @@ public:
 									uint32 resizeFlags
 										= B_FOLLOW_LEFT | B_FOLLOW_TOP,
 									uint32 viewFlags = B_WILL_DRAW);
+								BChannelControl(const char* name,
+									const char* label, BMessage* model,
+									int32 channelCount = 1,
+									uint32 viewFlags = B_WILL_DRAW);
 								BChannelControl(BMessage* archive);
 	virtual						~BChannelControl();
 

src/kits/interface/ChannelControl.cpp

@@ -1,5 +1,5 @@
 /* 
- * Copyright 2005, Haiku Inc. All Rights Reserved.
+ * Copyright 2005-2009, Haiku Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
 
@@ -57,6 +57,29 @@ BChannelControl::BChannelControl(BRect frame, const char *name, const char *labe
 }
 
 
+BChannelControl::BChannelControl(const char *name, const char *label,
+	BMessage *model, int32 channel_count, uint32 flags)
+	: BControl(name, label, model, flags),
+	fChannelCount(channel_count),
+	fCurrentChannel(0),
+	fChannelMin(NULL),
+	fChannelMax(NULL),
+	fChannelValues(NULL),
+	fMultiLabels(NULL),
+	fModificationMsg(NULL)
+{
+	fChannelMin = new int32[channel_count];
+	memset(fChannelMin, 0, sizeof(int32) * channel_count);
+	
+	fChannelMax = new int32[channel_count];
+	for (int32 i = 0; i < channel_count; i++)
+		fChannelMax[i] = 100;
+
+	fChannelValues = new int32[channel_count];
+	memset(fChannelValues, 0, sizeof(int32) * channel_count);
+}
+
+
 BChannelControl::BChannelControl(BMessage *archive)
 	: BControl(archive),
 	fChannelCount(0),