コード例 #1
0
bool
TFilePanel::SwitchDirToDesktopIfNeeded(entry_ref &ref)
{
	// support showing Desktop as root of everything
	// This call implements the worm hole that maps Desktop as
	// a root above the disks
	TrackerSettings settings;
	if (!settings.DesktopFilePanelRoot())
		// Tracker isn't set up that way, just let Disks show
		return false;

	BEntry entry(&ref);
	BEntry root("/");

	BDirectory desktopDir;
	FSGetDeskDir(&desktopDir);
	if (FSIsDeskDir(&entry)
		// navigated into non-boot desktop, switch to boot desktop
		|| (entry == root && !settings.ShowDisksIcon())) {
		// hit "/" level, map to desktop

		desktopDir.GetEntry(&entry);
		entry.GetRef(&ref);
		return true;
	}
	return FSIsDeskDir(&entry);
}
コード例 #2
0
ファイル: DirMenu.cpp プロジェクト: RTOSkit/haiku
void
BDirMenu::Populate(const BEntry* startEntry, BWindow* originatingWindow,
	bool includeStartEntry, bool select, bool reverse, bool addShortcuts,
	bool navMenuEntries)
{
	try {
		if (!startEntry)
			throw (status_t)B_ERROR;

		Model model(startEntry);
		ThrowOnInitCheckError(&model);

		ModelMenuItem* menu = new ModelMenuItem(&model, this, true, true);

		if (fMenuBar)
			fMenuBar->AddItem(menu);

		BEntry entry(*startEntry);

		bool showDesktop, showDisksIcon;
		{
			TrackerSettings settings;
			showDesktop = settings.DesktopFilePanelRoot();
			showDisksIcon = settings.ShowDisksIcon();
		}

		// might start one level above startEntry
		if (!includeStartEntry) {
			BDirectory parent;
			BDirectory dir(&entry);

			if (!showDesktop && dir.InitCheck() == B_OK
				&& dir.IsRootDirectory()) {
				// if we're at the root directory skip "mnt" and
				// go straight to "/"
				parent.SetTo("/");
			} else
				entry.GetParent(&parent);

			parent.GetEntry(&entry);
		}

		BDirectory desktopDir;
		FSGetDeskDir(&desktopDir);
		BEntry desktopEntry;
		desktopDir.GetEntry(&desktopEntry);

		for (;;) {
			BNode node(&entry);
			ThrowOnInitCheckError(&node);

			PoseInfo info;
			ReadAttrResult result = ReadAttr(&node, kAttrPoseInfo,
				kAttrPoseInfoForeign, B_RAW_TYPE, 0, &info, sizeof(PoseInfo),
				&PoseInfo::EndianSwap);

			BDirectory parent;
			entry.GetParent(&parent);

			bool hitRoot = false;

			BDirectory dir(&entry);
			if (!showDesktop && dir.InitCheck() == B_OK
				&& dir.IsRootDirectory()) {
				// if we're at the root directory skip "mnt" and
				// go straight to "/"
				hitRoot = true;
				parent.SetTo("/");
			}

			if (showDesktop) {
				BEntry root("/");
				// warp from "/" to Desktop properly
				if (entry == root) {
					if (showDisksIcon)
						AddDisksIconToMenu(reverse);
					entry = desktopEntry;
				}

				if (entry == desktopEntry)
					hitRoot = true;
			}

			if (result == kReadAttrFailed || !info.fInvisible
				|| (showDesktop && desktopEntry == entry)) {
				AddItemToDirMenu(&entry, originatingWindow, reverse,
					addShortcuts, navMenuEntries);
			}

			if (hitRoot) {
				if (!showDesktop && showDisksIcon && *startEntry != "/")
					AddDisksIconToMenu(reverse);
				break;
			}

			parent.GetEntry(&entry);
		}

		// select last item in menu
		if (!select)
			return;

		ModelMenuItem* item
			= dynamic_cast<ModelMenuItem*>(ItemAt(CountItems() - 1));
		if (item) {
			item->SetMarked(true);
			if (menu) {
				entry.SetTo(item->TargetModel()->EntryRef());
				ThrowOnError(menu->SetEntry(&entry));
			}
		}
	} catch (status_t err) {
		PRINT(("BDirMenu::Populate: caught error %s\n", strerror(err)));
		if (!CountItems()) {
			BString error;
			error << "Error [" << strerror(err) << "] populating menu";
			AddItem(new BMenuItem(error.String(), 0));
		}
	}
}