本文整理汇总了C++中ModelMenuItem类的典型用法代码示例。如果您正苦于以下问题：C++ ModelMenuItem类的具体用法？C++ ModelMenuItem怎么用？C++ ModelMenuItem使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ModelMenuItem类的9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: model
void
BDirMenu::AddItemToDirMenu(const BEntry* entry, BWindow* originatingWindow,
bool atEnd, bool addShortcuts, bool navMenuEntries)
{
Model model(entry);
if (model.InitCheck() != B_OK)
return;
BMessage* message = new BMessage(fCommand);
message->AddRef(fEntryName.String(), model.EntryRef());
// add reference to the container windows model so that we can
// close the window if
BContainerWindow* window = originatingWindow ?
dynamic_cast<BContainerWindow*>(originatingWindow) : 0;
if (window)
message->AddData("nodeRefsToClose", B_RAW_TYPE,
window->TargetModel()->NodeRef(), sizeof (node_ref));
ModelMenuItem* item;
if (navMenuEntries) {
BNavMenu* subMenu = new BNavMenu(model.Name(), B_REFS_RECEIVED,
fTarget, window);
entry_ref ref;
entry->GetRef(&ref);
subMenu->SetNavDir(&ref);
item = new ModelMenuItem(&model, subMenu);
item->SetLabel(model.Name());
item->SetMessage(message);
} else {
item = new ModelMenuItem(&model, model.Name(), message);
}
if (addShortcuts) {
if (model.IsDesktop())
item->SetShortcut('D', B_COMMAND_KEY);
else if (FSIsHomeDir(entry))
item->SetShortcut('H', B_COMMAND_KEY);
}
if (atEnd)
AddItem(item);
else
AddItem(item, 0);
item->SetTarget(fTarget);
if (fMenuBar) {
ModelMenuItem* menu
= dynamic_cast<ModelMenuItem*>(fMenuBar->ItemAt(0));
if (menu) {
ThrowOnError(menu->SetEntry(entry));
item->SetMarked(true);
}
}
}示例2: while
void
BSlowContextMenu::BuildVolumeMenu()
{
BVolumeRoster roster;
BVolume volume;
roster.Rewind();
while (roster.GetNextVolume(&volume) == B_OK) {
if (!volume.IsPersistent())
continue;
BDirectory startDir;
if (volume.GetRootDirectory(&startDir) == B_OK) {
BEntry entry;
startDir.GetEntry(&entry);
Model *model = new Model(&entry);
if (model->InitCheck() != B_OK) {
delete model;
continue;
}
BNavMenu *menu = new BNavMenu(model->Name(), fMessage.what,
fMessenger, fParentWindow, fTypesList);
menu->SetNavDir(model->EntryRef());
menu->InitTrackingHook(fTrackingHook.fTrackingHook, &(fTrackingHook.fTarget),
fTrackingHook.fDragMessage);
ASSERT(menu->Name());
ModelMenuItem *item = new ModelMenuItem(model, menu);
BMessage *message = new BMessage(fMessage);
message->AddRef("refs", model->EntryRef());
item->SetMessage(message);
fItemList->AddItem(item);
ASSERT(item->Label());
}
}
}示例3: BMessage
void
BNavMenu::AddNavDir(const Model *model, uint32 what, BHandler *target,
bool populateSubmenu)
{
BMessage *message = new BMessage((uint32)what);
message->AddRef("refs", model->EntryRef());
ModelMenuItem *item = NULL;
if (populateSubmenu) {
BNavMenu *navMenu = new BNavMenu(model->Name(), what, target);
navMenu->SetNavDir(model->EntryRef());
navMenu->InitTrackingHook(fTrackingHook.fTrackingHook, &(fTrackingHook.fTarget),
fTrackingHook.fDragMessage);
item = new ModelMenuItem(model, navMenu);
item->SetMessage(message);
} else
item = new ModelMenuItem(model, model->Name(), message);
AddItem(item);
}示例4: SpringLoadedFolderSetMenuStates
void
SpringLoadedFolderSetMenuStates(const BMenu* menu,
const BObjectList<BString>* typeslist)
{
if (!menu || !typeslist || typeslist->IsEmpty())
return;
// if a types list exists
// iterate through the list and see if each item
// can support any item in the list
// set the enabled state of the item
int32 count = menu->CountItems();
for (int32 index = 0 ; index < count ; index++) {
ModelMenuItem* item = dynamic_cast<ModelMenuItem*>(menu->ItemAt(index));
if (!item)
continue;
const Model* model = item->TargetModel();
if (!model)
continue;
if (model->IsSymLink()) {
// find out what the model is, resolve if symlink
BEntry entry(model->EntryRef(), true);
if (entry.InitCheck() == B_OK) {
if (entry.IsDirectory()) {
// folder? always keep enabled
item->SetEnabled(true);
} else {
// other, check its support
Model resolvedModel(&entry);
int32 supported = resolvedModel.SupportsMimeType(NULL, typeslist);
item->SetEnabled(supported != kDoesNotSupportType);
}
} else
// bad entry ref (bad symlink?), disable
item->SetEnabled(false);
} else if (model->IsDirectory() || model->IsRoot() || model->IsVolume())
// always enabled if a container
item->SetEnabled(true);
else if (model->IsFile() || model->IsExecutable()) {
int32 supported = model->SupportsMimeType(NULL, typeslist);
item->SetEnabled(supported != kDoesNotSupportType);
} else
item->SetEnabled(false);
}
}示例5: Model
ModelMenuItem *
BSlowContextMenu::NewModelItem(Model *model, const BMessage *invokeMessage,
const BMessenger &target, bool suppressFolderHierarchy,
BContainerWindow *parentWindow, const BObjectList<BString> *typeslist,
TrackingHookData *hook)
{
if (model->InitCheck() != B_OK)
return NULL;
entry_ref ref;
bool container = false;
if (model->IsSymLink()) {
Model *newResolvedModel = NULL;
Model *result = model->LinkTo();
if (!result) {
newResolvedModel = new Model(model->EntryRef(), true, true);
if (newResolvedModel->InitCheck() != B_OK) {
// broken link, still can show though, bail
delete newResolvedModel;
newResolvedModel = NULL;
}
result = newResolvedModel;
}
if (result) {
BModelOpener opener(result);
// open the model, if it ain't open already
PoseInfo poseInfo;
ssize_t size = -1;
if (result->Node())
size = result->Node()->ReadAttr(kAttrPoseInfo, B_RAW_TYPE, 0,
&poseInfo, sizeof(poseInfo));
result->CloseNode();
ref = *result->EntryRef();
container = result->IsContainer();
}
model->SetLinkTo(result);
} else {
ref = *model->EntryRef();
container = model->IsContainer();
}
BMessage *message = new BMessage(*invokeMessage);
message->AddRef("refs", model->EntryRef());
// Truncate the name if necessary
BString truncatedString(model->Name());
be_plain_font->TruncateString(&truncatedString, B_TRUNCATE_END,
BNavMenu::GetMaxMenuWidth());
ModelMenuItem *item = NULL;
if (!container || suppressFolderHierarchy) {
item = new ModelMenuItem(model, truncatedString.String(), message);
if (invokeMessage->what != B_REFS_RECEIVED)
item->SetEnabled(false);
} else {
BNavMenu *menu = new BNavMenu(truncatedString.String(),
invokeMessage->what, target, parentWindow, typeslist);
menu->SetNavDir(&ref);
if (hook)
menu->InitTrackingHook(hook->fTrackingHook, &(hook->fTarget),
hook->fDragMessage);
item = new ModelMenuItem(model, menu);
item->SetMessage(message);
}
return item;
}示例6: throw
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)
//.........这里部分代码省略.........
示例7: switch
bool
TRecentsMenu::AddRecents(int32 count)
{
if (fItemIndex == 0) {
fRecentList.MakeEmpty();
BRoster roster;
switch (fWhich) {
case kRecentDocuments:
roster.GetRecentDocuments(&fRecentList, count);
break;
case kRecentApplications:
roster.GetRecentApps(&fRecentList, count);
break;
case kRecentAppDocuments:
roster.GetRecentDocuments(&fRecentList, count, NULL,
fSignature);
break;
case kRecentFolders:
roster.GetRecentFolders(&fRecentList, count);
break;
default:
return false;
}
}
for (;;) {
entry_ref ref;
if (fRecentList.FindRef("refs", fItemIndex++, &ref) != B_OK)
break;
if (ref.name && strlen(ref.name) > 0) {
Model model(&ref, true);
if (fWhich != kRecentApplications) {
BMessage* message = new BMessage(B_REFS_RECEIVED);
if (fWhich == kRecentAppDocuments) {
// add application as handler
message->AddRef("handler", fAppRef);
}
ModelMenuItem* item = BNavMenu::NewModelItem(&model,
message, Target(), false, NULL, TypesList());
if (item)
AddItem(item);
} else {
// The application items expand to a list of recent documents
// for that application - so they must be handled extra
BFile file(&ref, B_READ_ONLY);
char signature[B_MIME_TYPE_LENGTH];
BAppFileInfo appInfo(&file);
if (appInfo.InitCheck() != B_OK
|| appInfo.GetSignature(signature) != B_OK)
continue;
ModelMenuItem* item = NULL;
BMessage doc;
be_roster->GetRecentDocuments(&doc, 1, NULL, signature);
// ToDo: check if the documents do exist at all to
// avoid the creation of the submenu.
if (doc.CountNames(B_REF_TYPE) > 0) {
// create recents menu that will contain the recent docs of
// this app
TRecentsMenu* docs = new TRecentsMenu(model.Name(),
fBarView, kRecentAppDocuments, signature, &ref);
docs->SetTypesList(TypesList());
docs->SetTarget(Target());
item = new ModelMenuItem(&model, docs);
} else
item = new ModelMenuItem(&model, model.Name(), NULL);
if (item) {
// add refs-message so that the recent app can be launched
BMessage* msg = new BMessage(B_REFS_RECEIVED);
msg->AddRef("refs", &ref);
item->SetMessage(msg);
item->SetTarget(Target());
AddItem(item);
}
}
// return true so that we know to reenter this list
return true;
}
}
// return false if we are done with this list
return false;
}示例8: model
BMenuItem*
BRecentItemsList::GetNextMenuItem(const BMessage* fileOpenInvokeMessage,
const BMessage* containerOpenInvokeMessage, BHandler* target,
entry_ref* currentItemRef)
{
entry_ref ref;
if (GetNextRef(&ref) != B_OK)
return NULL;
Model model(&ref, true);
if (model.InitCheck() != B_OK)
return NULL;
bool container = false;
if (model.IsSymLink()) {
Model* newResolvedModel = NULL;
Model* result = model.LinkTo();
if (result == NULL) {
newResolvedModel = new Model(model.EntryRef(), true, true);
if (newResolvedModel->InitCheck() != B_OK) {
// broken link, still can show though, bail
delete newResolvedModel;
result = NULL;
} else
result = newResolvedModel;
} else {
BModelOpener opener(result);
// open the model, if it ain't open already
PoseInfo poseInfo;
BNode* resultNode = result->Node();
if (resultNode != NULL) {
resultNode->ReadAttr(kAttrPoseInfo, B_RAW_TYPE, 0,
&poseInfo, sizeof(poseInfo));
}
result->CloseNode();
ref = *result->EntryRef();
container = result->IsContainer();
}
model.SetLinkTo(result);
} else {
ref = *model.EntryRef();
container = model.IsContainer();
}
// if user asked for it, return the current item ref
if (currentItemRef != NULL)
*currentItemRef = ref;
BMessage* message;
if (container && containerOpenInvokeMessage)
message = new BMessage(*containerOpenInvokeMessage);
else if (!container && fileOpenInvokeMessage)
message = new BMessage(*fileOpenInvokeMessage);
else
message = new BMessage(B_REFS_RECEIVED);
message->AddRef("refs", model.EntryRef());
// Truncate the name if necessary
BString truncatedString(model.Name());
be_plain_font->TruncateString(&truncatedString, B_TRUNCATE_END,
BNavMenu::GetMaxMenuWidth());
ModelMenuItem* item = NULL;
if (!container || !fNavMenuFolders)
item = new ModelMenuItem(&model, truncatedString.String(), message);
else {
// add another nav menu item if it's a directory
BNavMenu* menu = new BNavMenu(truncatedString.String(), message->what,
target, 0);
menu->SetNavDir(&ref);
item = new ModelMenuItem(&model, menu);
item->SetMessage(message);
}
if (item != NULL && target != NULL)
item->SetTarget(target);
return item;
}示例9: Model
ModelMenuItem *
BNavMenu::NewModelItem(Model *model, const BMessage *invokeMessage,
const BMessenger &target, bool suppressFolderHierarchy,
BContainerWindow *parentWindow, const BObjectList<BString> *typeslist,
TrackingHookData *hook)
{
if (model->InitCheck() != B_OK)
return 0;
entry_ref ref;
bool container = false;
if (model->IsSymLink()) {
Model *newResolvedModel = 0;
Model *result = model->LinkTo();
if (!result) {
newResolvedModel = new Model(model->EntryRef(), true, true);
if (newResolvedModel->InitCheck() != B_OK) {
// broken link, still can show though, bail
delete newResolvedModel;
result = 0;
} else
result = newResolvedModel;
}
if (result) {
BModelOpener opener(result);
// open the model, if it ain't open already
PoseInfo poseInfo;
ssize_t size = -1;
if (result->Node())
size = result->Node()->ReadAttr(kAttrPoseInfo, B_RAW_TYPE, 0,
&poseInfo, sizeof(poseInfo));
result->CloseNode();
if (size == sizeof(poseInfo) && !BPoseView::PoseVisible(result,
&poseInfo, false)) {
// link target sez it doesn't want to be visible,
// don't show the link
PRINT(("not showing hidden item %s\n", model->Name()));
delete newResolvedModel;
return 0;
}
ref = *result->EntryRef();
container = result->IsContainer();
}
model->SetLinkTo(result);
} else {
ref = *model->EntryRef();
container = model->IsContainer();
}
BMessage *message = new BMessage(*invokeMessage);
message->AddRef("refs", model->EntryRef());
// Truncate the name if necessary
BString truncatedString;
TruncString(be_plain_font, model->Name(), truncatedString, GetMaxMenuWidth());
ModelMenuItem *item = NULL;
if (!container || suppressFolderHierarchy) {
item = new ModelMenuItem(model, truncatedString.String(), message);
if (invokeMessage->what != B_REFS_RECEIVED)
item->SetEnabled(false);
// the above is broken for FavoritesMenu::AddNextItem, which uses a
// workaround - should fix this
} else {
BNavMenu *menu = new BNavMenu(truncatedString.String(),
invokeMessage->what, target, parentWindow, typeslist);
menu->SetNavDir(&ref);
if (hook)
menu->InitTrackingHook(hook->fTrackingHook, &(hook->fTarget),
hook->fDragMessage);
item = new ModelMenuItem(model, menu);
item->SetMessage(message);
}
return item;
}