Added support for different number bases in the offset column.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6622 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/diskprobe/DataView.cpp

@@ -7,7 +7,6 @@
 #include "DataView.h"
 #include "DataEditor.h"
 
-//#include <Messenger.h>
 #include <Looper.h>
 #include <ScrollBar.h>
 
@@ -25,6 +24,7 @@ DataView::DataView(BRect rect, DataEditor &editor)
 	: BView(rect, "dataView", B_FOLLOW_ALL, B_WILL_DRAW | B_NAVIGABLE | B_FRAME_EVENTS),
 	fEditor(editor),
 	fFocus(kHexFocus),
+	fBase(kHexBase),
 	fIsActive(true)
 {
 	fPositionLength = 4;
@@ -95,6 +95,16 @@ DataView::MessageReceived(BMessage *message)
 			break;
 		}
 
+		case kMsgBaseType:
+		{
+			int32 type;
+			if (message->FindInt32("base", &type) != B_OK)
+				break;
+
+			SetBase((base_type)type);
+			break;
+		}
+
 		default:
 			BView::MessageReceived(message);
 	}
@@ -104,7 +114,8 @@ DataView::MessageReceived(BMessage *message)
 void
 DataView::ConvertLine(char *line, off_t offset, const uint8 *buffer, size_t size)
 {
-	line += sprintf(line, "%0*Lx:  ", (int)fPositionLength, offset);
+	line += sprintf(line, fBase == kHexBase ? "%0*Lx:  " : "%0*Ld:  ",
+				(int)fPositionLength, offset);
 
 	for (uint32 i = 0; i < kBlockSize; i++) {
 		if (i >= size) {
@@ -453,6 +464,17 @@ DataView::InvalidateRange(int32 start, int32 end)
 }
 
 
+void 
+DataView::SetBase(base_type type)
+{
+	if (fBase == type)
+		return;
+
+	fBase = type;
+	Invalidate();
+}
+
+
 void 
 DataView::SetFocus(view_focus which)
 {

src/apps/diskprobe/DataView.h

@@ -13,6 +13,13 @@
 
 class DataEditor;
 
+static const uint32 kMsgBaseType = 'base';
+
+enum base_type {
+	kHexBase,
+	kDecimalBase
+};
+
 enum view_focus {
 	kNoFocus,
 	kHexFocus,
@@ -45,6 +52,9 @@ class DataView : public BView {
 		void GetSelection(int32 &start, int32 &end);
 		void InvalidateRange(int32 start, int32 end);
 
+		base_type Base() const { return fBase; }
+		void SetBase(base_type type);
+
 	private:
 		BRect SelectionFrame(view_focus which, int32 start, int32 end);
 		int32 PositionAt(view_focus focus, BPoint point, view_focus *_newFocus = NULL);
@@ -66,6 +76,7 @@ class DataView : public BView {
 		int32		fFontHeight;
 		float		fCharWidth;
 		view_focus	fFocus;
+		base_type	fBase;
 		bool		fIsActive;
 		int32		fStart, fEnd;
 		int32		fMouseSelectionStart;