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Now listens to file/attribute changes.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6825 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-02-29 22:48:55 +00:00
parent 7a2702788f
commit 3ef37dbe51
3 changed files with 70 additions and 7 deletions
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36
src/apps/diskprobe/DataEditor.cpp
View File

@ -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();

4
src/apps/diskprobe/DataView.cpp
View File

@ -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;
}

37
src/apps/diskprobe/ProbeView.cpp
View File

@ -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();
if (bar != NULL) {
BMenuItem *item = bar->FindItem("Attributes");
if (item != NULL && item->Submenu() != NULL)
UpdateAttributesMenu(item->Submenu());
const char *name;
if (message->FindString("attr", &name) != B_OK)
break;
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;
}
}