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Implemented rewind functionality so that slide show no longer stops when it reaches the last file in the directory

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7453 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber
2004-05-07 23:25:11 +00:00
parent b541da436f
commit efc10d5e6a
1 changed files with 19 additions and 16 deletions
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src/apps/showimage/ShowImageView.cpp
+19 -16
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@@ -1925,9 +1925,7 @@ ShowImageView::SetTrackerSelectionToCurrent()
bool
ShowImageView::FindNextImage(entry_ref *in_current, entry_ref *ref, bool next, bool rewind)
{
// shamelessly stolen, I mean copied from BeMail!
// XXX rewind is not implemented yet => slide show will stop with last image
// Based on similar function from BeMail!
if (!fTrackerMessenger.IsValid())
return false;
@@ -1937,32 +1935,37 @@ ShowImageView::FindNextImage(entry_ref *in_current, entry_ref *ref, bool next, b
// image is found.
//
entry_ref nextRef = *in_current;
bool foundRef = false;
bool foundRef = false;
while (!foundRef)
{
BMessage request(B_GET_PROPERTY);
BMessage spc;
if (next)
if (rewind)
spc.what = B_DIRECT_SPECIFIER;
else if (next)
spc.what = 'snxt';
else
spc.what = 'sprv';
spc.AddString("property", "Entry");
spc.AddRef("data", &nextRef);
if (rewind)
// if rewinding, ask for the ref to the
// first item in the directory
spc.AddInt32("data", 0);
else
spc.AddRef("data", &nextRef);
request.AddSpecifier(&spc);
BMessage reply;
if (fTrackerMessenger.SendMessage(&request, &reply) != B_OK) {
if (fTrackerMessenger.SendMessage(&request, &reply) != B_OK)
return false;
}
if (reply.FindRef("result", &nextRef) != B_OK) {
if (reply.FindRef("result", &nextRef) != B_OK)
return false;
}
if (IsImage(&nextRef)) {
if (IsImage(&nextRef))
foundRef = true;
}
rewind = false;
// stop asking for the first ref in the directory
}
*ref = nextRef;