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This way, an object can be informed when a resource changes (e.g. by a lua function).
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This prevents the user from inadvertently overwriting e.g. the session table and then wondering
why it does not work. I'm still not sure about this approach, as it's not 100% secure (the script
can still use raw access to mess with it) and it adds some overhead to any operation referencing
a global variable.
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This was originally intended to be a bugfix for an memory error reported by valgrind (accessing
freed memory). While debugging it, I found the menu ownership semantics confusing
(setInternalMenu() et al.), so I decided to get rid of it and store it in smart pointers
everywhere.
Looking back, I'm not sure if this was worth all the trouble, but the good news is that the
valgrind error disappeared. :)
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to make it's interface more compatible with other smart pointers.
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when saving/loading to/from string representation.
This is needed for the next commit.
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for resources which need to work with localised strings.
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Loading of an init file with the new manager works ok. Saving and restarting is still not
completed.
This touches many files because i removed the alternative name of resources. Unlike Xrm, lua does
not have native support for alt names. It should be fairly easy to add them, but I think that is
unnecessary and would be confusing.
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names
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this reduces typing and it makes more sense in lua, since there the resources are implemented as
hierarchical tables and the topmost table has to be handled a bit specially.
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by outsourcing the conversion from string/lua to the specific type (and back) to a separate
class. This change touches a lot of files because the interface of FbTk::Resource changed
slightly. However, the changes are minor.
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I added a new class, LResourceManager, which should handle loading and saving of resources like
the old ResourceManager, only it does that with the help of lua. I moved the common features of
the two managers (interface + a few functions) to a common base class ResourceManager_base. I
augmented the Resource_base class with two new functions (setFromLua and pushToLua) which are
used by the lua RM instead of getString and setFromString.
Parts of the new RM are written in lua. To avoid loading scripts from a file at runtime I decided
to link compiled lua code straight into the executable. For this purpose I created a small script
which converts a binary file into a declaration of a C array of bytes.
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function
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parameter
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It's impossible to do this without C++0x features (we need std::exception_ptr).
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See how variadic templates are good. They enabled me to write those four functions as one.
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It was pretty underused anyway. I was just lazy to write a proper destructor.
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std::function is superior, but not supported on old compilers
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Added some polish around them and, to mark this special occasion, moved them out of the SigImpl
namespace.
PS: This partially reverts commit 0775350fee345e37fb59835dda4d85664346b606, since I had to
reintroduce ReturnType template parameter, because it will be used in lua. But Signal classes
remain without the ReturnType, because I still cannot imagine how would it be used.
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copied from conky (http://conky.sf.net) and relicensed. Since I am the person who wrote it in
the first place there should not be a problem with licence conversion.
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and remove a an "almost" copy constructor (almost, because it takes a non-const reference
parameter) which was useless.
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previously, the tracker disconnected itself only when the caller passed withTracker = true to the
leave() function. However, the default value was for the parameter was false.
Non disconnecting from signal when stopping tracking creates very dangerous situation because the
signal still holds a pointer to the tracker. This resulted in a segfault when exiting fluxbox,
because the tracker (FluxboxWindow) got destroyed before the signal (BScreen::focusedWindowSig),
and the signal was using an invalid pointer when it tried to disconnect itself from the tracker.
Instead of setting withTracker to true by default or changing all invocations of leave(), I
decided to make the tracker disconnect itself unconditionally because I could not find a use case
for the opposite behaviour.
PS: This message is in fact longer than the actual commit.
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this marks the completion of the transition to FbTk::Signal
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this way, they can be used as inputs to std::bind1st and friends
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previously they declared the parameter, but ignored the return value of the member function. I've
changed it so they pass the return value, if it is not void. MemFunSelectArg didn't have the
ReturnType template parameter, so I added it for consistency. Since I was already editing the, I
made all the operator()s const.
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- merged all the common stuff from 0,1,2,3 argument versions into one common base class
- removed ReturnType template parameter as it was instantiated with "void" everywhere and the
current ignores the return value of the callbacks anyway
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this was possible (and used) with FbTk::Subject, but the implemetation of FbTk::Signal didn't
support it, which made it impossible to continue with conversion.
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Replace CallbackHolder, FunctorHolder and SlotHolder with a (smaller) set of polymorphic classes.
SignalHolder now stores a (smart) pointer to the class.
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the previous version of operator*() made no sense. E.g., it violated the invariant
(*ptr).foo <=> ptr->foo. The dereferencing operator now returns a reference to the pointed-to
object, rather than a pointer to it.
I also added a bool conversion operator, which can be used in testing the NULL-ness of the
pointer. Anyone wondering if that could be done in a simpler way is encouraged to read
<http://www.artima.com/cppsource/safebool.html>.
And, finally, I removed the mutable flag from the m_data member, since it does not need it.
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