本文整理汇总了C++中BAlert::Activate方法的典型用法代码示例。如果您正苦于以下问题：C++ BAlert::Activate方法的具体用法？C++ BAlert::Activate怎么用？C++ BAlert::Activate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BAlert的用法示例。
在下文中一共展示了BAlert::Activate方法的1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: WindowAt
bool
ZipOMatic::QuitRequested(void)
{
if (CountWindows() <= 0)
return true;
BWindow* window;
ZippoWindow* zippo;
ZippoWindow* lastFoundZippo = NULL;
int32 zippoCount = 0;
for (int32 i = 0;; i++) {
window = WindowAt(i);
if (window == NULL)
break;
zippo = dynamic_cast<ZippoWindow*>(window);
if (zippo == NULL)
continue;
lastFoundZippo = zippo;
if (zippo->Lock()) {
if (zippo->IsZipping())
zippoCount++;
else
zippo->PostMessage(B_QUIT_REQUESTED);
zippo->Unlock();
}
}
if (zippoCount == 1) {
// This is likely the most frequent case - a single zipper.
// We post a message to the window so it can put up its own
// BAlert instead of the app-wide BAlert. This avoids making
// a difference between having pressed Commmand-W or Command-Q.
// Closing or quitting, it doesn't matter for a single window.
if (lastFoundZippo->Lock()) {
lastFoundZippo->Activate();
lastFoundZippo->PostMessage(B_QUIT_REQUESTED);
lastFoundZippo->Unlock();
}
return false;
}
if (zippoCount > 0) {
// The multi-zipper case differs from the single-zipper case
// in that zippers are not paused while the BAlert is up.
BString question;
question << TR("You have %ld Zip-O-Matic running.\n\n");
question << TR("Do you want to stop them?");
BString temp;
temp << zippoCount;
question.ReplaceFirst("%ld", temp.String());
BAlert* alert = new BAlert(NULL, question.String(),
TR("Stop them"), TR("Let them continue"), NULL, B_WIDTH_AS_USUAL,
B_WARNING_ALERT);
alert->Go(fInvoker);
alert->Activate();
// BAlert, being modal, does not show on the current workspace
// if the application has no window there. Activate() triggers
// a switch to a workspace where it does have a window.
// TODO: See if AS_ACTIVATE_WINDOW should be handled differently
// in src/servers/app/Desktop.cpp Desktop::ActivateWindow()
// or if maybe BAlert should (and does not?) activate itself.
return false;
}
if (CountWindows() <= 0)
return true;
return false;
}