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Now also send a selection update notice if the contents have changed.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6745 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-02-26 04:35:35 +00:00
parent 7e55eac336
commit b607d18b74
1 changed files with 36 additions and 27 deletions
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63
src/apps/diskprobe/DataView.cpp
View File

@ -103,41 +103,50 @@ DataView::UpdateFromEditor(BMessage *message)
if (fData == NULL)
return;
if (fEditor.Lock()) {
fFileSize = fEditor.FileSize();
BAutolock locker(fEditor);
// get the range of the changes
fFileSize = fEditor.FileSize();
int32 start = 0, end = fDataSize - 1;
off_t offset, size;
if (message != NULL
&& message->FindInt64("offset", &offset) == B_OK
&& message->FindInt64("size", &size) == B_OK) {
if (offset > fOffset + fDataSize
|| offset + size < fOffset) {
// the changes are not within our scope, so we can ignore them
return;
}
// get the range of the changes
if (offset > fOffset)
start = offset - fOffset;
if (offset + size < fOffset + fDataSize)
end = offset + size - fOffset;
int32 start = 0, end = fDataSize - 1;
off_t offset, size;
if (message != NULL
&& message->FindInt64("offset", &offset) == B_OK
&& message->FindInt64("size", &size) == B_OK) {
if (offset > fOffset + fDataSize
|| offset + size < fOffset) {
// the changes are not within our scope, so we can ignore them
return;
}
if (fOffset + fDataSize > fFileSize)
fSizeInView = fFileSize - fOffset;
else
fSizeInView = fDataSize;
if (offset > fOffset)
start = offset - fOffset;
if (offset + size < fOffset + fDataSize)
end = offset + size - fOffset;
}
const uint8 *data;
if (fEditor.GetViewBuffer(&data) == B_OK)
// ToDo: copy only the relevant part
memcpy(fData, data, fDataSize);
if (fOffset + fDataSize > fFileSize)
fSizeInView = fFileSize - fOffset;
else
fSizeInView = fDataSize;
fEditor.Unlock();
const uint8 *data;
if (fEditor.GetViewBuffer(&data) == B_OK)
// ToDo: copy only the relevant part
memcpy(fData, data, fDataSize);
InvalidateRange(start, end);
fEditor.Unlock();
InvalidateRange(start, end);
// we notify our selection listeners also if the
// data in the selection has changed
if (start <= fEnd && end >= fStart) {
BMessage update;
update.AddInt64("start", fStart);
update.AddInt64("end", fEnd);
SendNotices(kDataViewSelection, &update);
}
}