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Lock BMenuBar::_Track() atomically. Fixes #9481

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This commit is contained in:
John Scipione
2013-03-04 22:22:03 -05:00
parent 880e147bd9
commit ff9b4ff8c9
1 changed files with 10 additions and 12 deletions
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src/kits/interface/MenuBar.cpp
+10 -12
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@@ -557,24 +557,22 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
{
// TODO: Cleanup, merge some "if" blocks if possible
fChosenItem = NULL;
BWindow* window = Window();
fState = MENU_STATE_TRACKING;
BPoint where;
uint32 buttons;
if (window->Lock()) {
if (LockLooper()) {
if (startIndex != -1) {
be_app->ObscureCursor();
_SelectItem(ItemAt(startIndex), true, false);
}
GetMouse(&where, &buttons);
window->Unlock();
UnlockLooper();
}
while (fState != MENU_STATE_CLOSED) {
bigtime_t snoozeAmount = 40000;
if (Window() == NULL || !window->Lock())
if (!LockLooper())
break;
BMenuItem* menuItem = NULL;
@@ -587,7 +585,7 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
// call _Track() from the selected sub-menu when the mouse cursor
// is over its window
BMenu* menu = fSelected->Submenu();
window->Unlock();
UnlockLooper();
snoozeAmount = 30000;
bool wasSticky = _IsStickyMode();
menu->_SetStickyMode(wasSticky);
@@ -602,9 +600,9 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
// where to store the current mouse position ?
// (Or just use the BView mouse hooks)
BPoint newWhere;
if (window->Lock()) {
if (LockLooper()) {
GetMouse(&newWhere, &buttons);
window->Unlock();
UnlockLooper();
}
// This code is needed to make menus
@@ -619,7 +617,7 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
} else
fState = MENU_STATE_CLOSED;
}
if (!window->Lock())
if (!LockLooper())
break;
} else if (menuItem != NULL) {
if (menuItem->Submenu() != NULL && menuItem != fSelected) {
@@ -642,7 +640,7 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
fState = MENU_STATE_TRACKING;
}
window->Unlock();
UnlockLooper();
if (fState != MENU_STATE_CLOSED) {
// If user doesn't move the mouse, loop here,
@@ -680,14 +678,14 @@ BMenuBar::_Track(int32* action, int32 startIndex, bool showMenu)
}
}
if (window->Lock()) {
if (LockLooper()) {
if (fSelected != NULL)
_SelectItem(NULL);
if (fChosenItem != NULL)
fChosenItem->Invoke();
_RestoreFocus();
window->Unlock();
UnlockLooper();
}
if (_IsStickyMode())