本文整理汇总了C++中BListView::IsItemSelected方法的典型用法代码示例。如果您正苦于以下问题：C++ BListView::IsItemSelected方法的具体用法？C++ BListView::IsItemSelected怎么用？C++ BListView::IsItemSelected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BListView的用法示例。
在下文中一共展示了BListView::IsItemSelected方法的2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:
int32_t
PListViewIsItemSelected(void *pobject, void *in, void *out, void *extraData)
{
if (!pobject || !in || !out)
return B_ERROR;
PView *parent = static_cast<PView*>(pobject);
if (!parent)
return B_BAD_TYPE;
BListView *backend = (BListView*)parent->GetView();
PArgs *inArgs = static_cast<PArgs*>(in);
PArgs *outArgs = static_cast<PArgs*>(out);
int32 index;
if (inArgs->FindInt32("index", &index) != B_OK)
return B_ERROR;
if (backend->Window())
backend->Window()->Lock();
bool outValue1;
outValue1 = backend->IsItemSelected(index);
if (backend->Window())
backend->Window()->Unlock();
outArgs->MakeEmpty();
return B_OK;
}示例2:
// Handle messages to the main view
void
OutputFormatView::MessageReceived(BMessage *msg)
{
int32 item_index;
const char *info_lines[3];
switch (msg->what)
{
case ITEM_SELECTED:
if (msg->FindInt32("index", &item_index) == B_OK &&
item_index >= 0 &&
item_index < list_view->CountItems())
{
// Store the currently selected item
// in the class member 'index'
index = item_index;
// Update the info view and config view
int32 outVersion;
the_roster->GetTranslatorInfo(
output_list[item_index].translator,
&name_line,
&info_line,
&outVersion);
int32 ver = outVersion / 100;
int32 rev1 = (outVersion % 100) / 10;
int32 rev2 = outVersion % 10;
sprintf(version_line, "Version %ld.%ld.%ld", ver, rev1, rev2);
info_lines[0] = name_line;
info_lines[1] = info_line;
info_lines[2] = version_line;
info_view->SetInfoLines(info_lines);
AddConfigView();
}
else
{
// Reselect the original item
if (index >= 0)
list_view->Select(index);
}
break;
case INVOKE_LIST:
{
// The main button was pressed
// Find out which item is selected, and invoke it
int32 item_count = list_view->CountItems();
for (int32 i = 0; i < item_count; ++i)
{
if (list_view->IsItemSelected(i))
{
list_view->Invoke();
break;
}
}
break;
}
case SEND_MESSAGE:
// An output format has been selected
if (!message_sent &&
msg->FindInt32("index", &item_index) == B_OK &&
item_index >= 0 &&
item_index < list_view->CountItems())
{
// Get the message from the invoker
BMessage *the_message=selected_invoker->Message();
// Add some info about the selected output format to it
the_message->AddInt32("translator", output_list[item_index].translator);
the_message->AddInt32("type", output_list[item_index].type);
// Send the message
selected_invoker->Invoke(the_message);
message_sent = true;
the_window->PostMessage(MESSAGE_SENT);
}
break;
default:
BView::MessageReceived(msg);
break;
}
}