Now listens to file/attribute changes.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6825 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/diskprobe/DataEditor.cpp

@@ -954,10 +954,46 @@ DataEditor::UpdateIfNeeded(bool *_updated = NULL)
 status_t 
 DataEditor::ForceUpdate()
 {
+	BAutolock locker(this);
+
 	status_t status = B_OK;
 
+	off_t newSize = fSize;
+	if (IsAttribute()) {
+		// update attribute size (we ignore the type for now)
+		attr_info info;
+		status = fFile.GetAttrInfo(fAttribute, &info);
+		if (status != B_OK) {
+			// The attribute may have just been removed before
+			// it gets rewritten, so we don't do anything
+			// else here (we just set the file size to 0)
+			newSize = 0;
+		} else
+			newSize = info.size;
+	} else if (!IsDevice()) {
+		// update file size
+
+		if (fFile.GetSize(&newSize) != B_OK)
+			return B_ERROR;
+	}
+
+	if (fSize != newSize) {
+		fSize = newSize;
+
+		// update observers
+		BMessage update;
+		update.AddInt64("file_size", newSize);
+		SendNotices(kMsgDataEditorParameterChange, &update);
+	}
+
 	if (fView == NULL)
 		status = SetViewOffset(fViewOffset);
+	else {
+		BMessage update;
+		update.AddInt64("offset", fViewOffset);
+		update.AddInt64("size", fViewSize);
+		SendNotices(kMsgDataEditorUpdate, &update);
+	}
 
 	if (status == B_OK)
 		status = Update();

src/apps/diskprobe/DataView.cpp

@@ -137,8 +137,6 @@ DataView::UpdateFromEditor(BMessage *message)
 		// ToDo: copy only the relevant part
 		memcpy(fData, data, fDataSize);
 
-	fEditor.Unlock();
-
 	InvalidateRange(start, end);
 
 	// we notify our selection listeners also if the
@@ -175,6 +173,8 @@ DataView::MessageReceived(BMessage *message)
 				fData = (uint8 *)realloc(fData, fDataSize);
 				UpdateScroller();
 			}
+			if (message->FindInt64("file_size", &offset) == B_OK)
+				UpdateFromEditor();
 			break;
 		}
 

src/apps/diskprobe/ProbeView.cpp

@@ -122,6 +122,8 @@ class HeaderView : public BView, public BInvoker {
 		uint32 BlockSize() const { return fBlockSize; }
 		void SetTo(off_t position, uint32 blockSize);
 
+		void UpdateIcon();
+
 	private:
 		void FormatValue(char *buffer, size_t bufferSize, off_t value);
 		void UpdatePositionViews(bool all = true);
@@ -593,6 +595,13 @@ HeaderView::GetPreferredSize(float *_width, float *_height)
 }
 
 
+void 
+HeaderView::UpdateIcon()
+{
+	fIconView->UpdateIcon();
+}
+
+
 void 
 HeaderView::FormatValue(char *buffer, size_t bufferSize, off_t value)
 {
@@ -1721,14 +1730,32 @@ ProbeView::MessageReceived(BMessage *message)
 		case B_NODE_MONITOR:
 		{
 			switch (message->FindInt32("opcode")) {
+				case B_STAT_CHANGED:
+					fEditor.ForceUpdate();
+					break;
 				case B_ATTR_CHANGED:
 				{
-					BMenuBar *bar = Window()->KeyMenuBar();
+					const char *name;
-					if (bar != NULL) {
+					if (message->FindString("attr", &name) != B_OK)
-						BMenuItem *item = bar->FindItem("Attributes");
+						break;
-						if (item != NULL && item->Submenu() != NULL)
+
-							UpdateAttributesMenu(item->Submenu());
+					if (fEditor.IsAttribute()) {
+						if (!strcmp(name, fEditor.Attribute()))
+							fEditor.ForceUpdate();
+					} else {
+						BMenuBar *bar = Window()->KeyMenuBar();
+						if (bar != NULL) {
+							BMenuItem *item = bar->FindItem("Attributes");
+							if (item != NULL && item->Submenu() != NULL)
+								UpdateAttributesMenu(item->Submenu());
+						}
 					}
+
+					// There might be a new icon
+					if (!strcmp(name, "BEOS:TYPE")
+						|| !strcmp(name, "BEOS:M:STD_ICON")
+						|| !strcmp(name, "BEOS:L:STD_ICON"))
+						fHeaderView->UpdateIcon();
 					break;
 				}
 			}