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C++ BVolume::SetTo方法代码示例

本文整理汇总了C++中BVolume::SetTo方法的典型用法代码示例。如果您正苦于以下问题：C++ BVolume::SetTo方法的具体用法？C++ BVolume::SetTo怎么用？C++ BVolume::SetTo使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BVolume的用法示例。


在下文中一共展示了BVolume::SetTo方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: 

void
Feeder::HandleDeviceUpdate(BMessage *message)
{
	int32 opcode ;
	BVolume *volume = new BVolume ;
	dev_t device ;

	message->FindInt32("opcode", &opcode) ;

	switch (opcode) {
		case B_DEVICE_MOUNTED :
			message->FindInt32("new device", &device) ;
			volume->SetTo(device) ;
			AddQuery(volume) ;
			// Forward the message to Indexer so that it can spawn
			// a new thread for volume.
			be_app->PostMessage(message) ;
			break ;
		
		case B_DEVICE_UNMOUNTED :
			message->FindInt32("device", &device) ;
			volume->SetTo(device) ;
			RemoveQuery(volume) ;
			be_app->PostMessage(message) ;
			break ;
	}

	delete volume ;
}
开发者ID:HaikuArchives，项目名称:Beacon，代码行数:29，代码来源:Feeder.cpp

示例2: PoseView

void
BVolumeWindow::MenusBeginning()
{
	_inherited::MenusBeginning();

	if (!fMenuBar)
		return;

	BVolume boot;
	BVolumeRoster().GetBootVolume(&boot);

	bool ejectableVolumeSelected = false;

	int32 count = PoseView()->SelectionList()->CountItems();
	for (int32 index = 0; index < count; index++) {
		Model *model = PoseView()->SelectionList()->ItemAt(index)->TargetModel();
		if (model->IsVolume()) {
			BVolume volume;
			volume.SetTo(model->NodeRef()->device);
			if (volume != boot) {
				ejectableVolumeSelected = true;
				break;
			}
		}
	}

	BMenuItem* item = fMenuBar->FindItem(kUnmountVolume);
	if (item)
		item->SetEnabled(ejectableVolumeSelected);
}
开发者ID:mmadia，项目名称:Haiku-services-branch，代码行数:30，代码来源:VolumeWindow.cpp

示例3: IsDirReadOnly

bool GenesisCopyWindow::IsDirReadOnly(const char *destination)
////////////////////////////////////////////////////////////////////////
{
	struct stat statbuf;	
	BDirectory dir(destination);
	BVolume volume;
	
	if (dir.InitCheck()!=B_OK)
		return false;
	
	if (dir.GetStatFor(destination, &statbuf)!=B_OK)
		return false;
	
	volume.SetTo(statbuf.st_dev);
	if (volume.IsReadOnly())
		return true;
	
	return false;	// Not read only
}
开发者ID:PZsolt27，项目名称:GenesisCommander，代码行数:19，代码来源:GenesisCopyWindow.cpp

示例4: 

// TestDirectories
static
void
TestDirectories(dev_t device)
{
	BVolume volume;
	if (device >= 0)
		CPPUNIT_ASSERT( volume.SetTo(device) == B_OK );
	for (int32 i = 0; i < directoryCount; i++) {
		BPath path;
		BPath path2;
		char path3[B_PATH_NAME_LENGTH + 1];
		status_t result = test_find_directory(directories[i], path, device);
		status_t result2 = find_directory(directories[i], &path2, false,
										  &volume);
		status_t result3 = find_directory(directories[i], device, false,
										  path3, B_PATH_NAME_LENGTH + 1);
		CPPUNIT_ASSERT( result == result2 && result == result3 );
		if (result == B_OK)
			CPPUNIT_ASSERT( path == path2 && path == path3 );
	}
}
开发者ID:mylegacy，项目名称:haiku，代码行数:22，代码来源:FindDirectoryTest.cpp

示例5: BMessage

status_t
PackageView::_InstallTypeChanged(int32 index)
{
	if (index < 0)
		return B_ERROR;

	// Clear the choice list
	for (int32 i = fDestination->CountItems() - 1; i >= 0; i--) {
		BMenuItem* item = fDestination->RemoveItem(i);
		delete item;
	}

	fCurrentType = index;
	pkg_profile* profile = fInfo.GetProfile(index);

	if (profile == NULL)
		return B_ERROR;

	BString typeDescription = profile->description;
	if (typeDescription.IsEmpty())
		typeDescription = profile->name;

	fInstallTypeDescriptionView->SetText(typeDescription.String());

	BPath path;
	BVolume volume;

	if (profile->path_type == P_INSTALL_PATH) {
		BMenuItem* item = NULL;
		if (find_directory(B_SYSTEM_NONPACKAGED_DIRECTORY, &path) == B_OK) {
			dev_t device = dev_for_path(path.Path());
			if (volume.SetTo(device) == B_OK && !volume.IsReadOnly()
				&& path.Append("apps") == B_OK) {
				item = _AddDestinationMenuItem(path.Path(), volume.FreeBytes(),
					path.Path());
			}
		}

		if (item != NULL) {
			item->SetMarked(true);
			fCurrentPath.SetTo(path.Path());
			fDestination->AddSeparatorItem();
		}

		_AddMenuItem(B_TRANSLATE("Other" B_UTF8_ELLIPSIS),
			new BMessage(P_MSG_OPEN_PANEL), fDestination);

		fDestField->SetEnabled(true);
	} else if (profile->path_type == P_USER_PATH) {
		bool defaultPathSet = false;
		BVolumeRoster roster;

		while (roster.GetNextVolume(&volume) != B_BAD_VALUE) {
			BDirectory mountPoint;
			if (volume.IsReadOnly() || !volume.IsPersistent()
				|| volume.GetRootDirectory(&mountPoint) != B_OK) {
				continue;
			}

			if (path.SetTo(&mountPoint, NULL) != B_OK)
				continue;

			char volumeName[B_FILE_NAME_LENGTH];
			volume.GetName(volumeName);
	
			BMenuItem* item = _AddDestinationMenuItem(volumeName,
				volume.FreeBytes(), path.Path());

			// The first volume becomes the default element
			if (!defaultPathSet) {
				item->SetMarked(true);
				fCurrentPath.SetTo(path.Path());
				defaultPathSet = true;
			}
		}

		fDestField->SetEnabled(true);
	} else
		fDestField->SetEnabled(false);

	return B_OK;
}
开发者ID:looncraz，项目名称:haiku，代码行数:82，代码来源:PackageView.cpp

示例6: VolRootMessage

bool 
FolderShaper::IsFolderUntouchable(uint32 purpose, const entry_ref * a_ref)
{
	// system directories
	if	(IsItThisFolder(a_ref, B_DESKTOP_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_TRASH_DIRECTORY))					return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_APPS_DIRECTORY))					return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_PREFERENCES_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_DIRECTORY))					return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_SYSTEM_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_ADDONS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_BOOT_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_FONTS_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_LIB_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_SERVERS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_APPS_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_BIN_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_ETC_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_DOCUMENTATION_DIRECTORY))		return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_BEOS_PREFERENCES_DIRECTORY))		return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_DIRECTORY))					return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_ADDONS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_BOOT_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_FONTS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_LIB_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_SERVERS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_BIN_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_ETC_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_DOCUMENTATION_DIRECTORY))	return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_SETTINGS_DIRECTORY))		return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_DEVELOP_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_LOG_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_SPOOL_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_TEMP_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_SYSTEM_VAR_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_DIRECTORY))					return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_CONFIG_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_ADDONS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_BOOT_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_FONTS_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_LIB_DIRECTORY))				return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_SETTINGS_DIRECTORY))			return SysDirMessage(a_ref);
	if	(IsItThisFolder(a_ref, B_USER_DESKBAR_DIRECTORY))			return SysDirMessage(a_ref);
	
	// volume roots
	BVolumeRoster	vol_roster;
	BVolume			volume;
	BDirectory		vol_dir;
	BEntry			vol_entry;
	entry_ref		vol_ref;
	
	
	while (vol_roster.GetNextVolume(& volume) == B_OK)
	{
		volume.GetRootDirectory(& vol_dir);
		
		vol_dir.GetEntry(& vol_entry);
		
		vol_entry.GetRef(& vol_ref);
		
		if (*a_ref == vol_ref)
			return VolRootMessage(a_ref);
	}
	
	// target does not support attributes
	if (volume.SetTo(a_ref->device) != B_OK)
	{
		// message
		return true;
	}

	if(! volume.KnowsAttr())
	{
		char volname[B_FILE_NAME_LENGTH];
		volume.GetName(volname);
	
		return NoAttributesMessage(purpose, a_ref, volname);
	}

	// and perhaps returns something for the BAlert
	
	return false;
}
开发者ID:HaikuArchives，项目名称:FolderShaper，代码行数:83，代码来源:FSApp.cpp


注：本文中的BVolume::SetTo方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。