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Derived classes need to explicitly specify namespace and class
to avoid ambiguities (even for private members)
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Also don't allow outsiders to call Controllable::set_touching()
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This allows to inform control-surfaces about the current GUI
control-element. "Link" control-surface interaction to GUI focus.
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Also GainControl can just use the AutomationControl's implementation of
get_user_string()
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Functions formerly in ardour/util.h and some more functions.
The main motivation is libevoral which can use libpbd but not libardour.
The eventual goal is to consolidate various different interpolation,
scaling and deflection methods.
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* remember master-ctrl value on assignment & save with session
* Control/AutomationCtrl only stores ctrl's own value (w/o master)
* virtual AutomationControl::get_value () -> use SlavableAC method
* MasterRecord uses weak-ptr (fixes recursive ~Controllable() deadlock)
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downstream buses
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This is theoretically dangerous, because a PBD::ID is supposed to be unique, and this new constructor
cannot guarantee that. However, the same danger already exists with the std::string-based constructor
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These have been normalized/modified by the XMLProperty ctor for many years (~9)
so special treatment when reading properties should not be needed.
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All uses of this function have now been replaced by PBD::to_string() from
pbd/string_convert.h
Remove this function so that it isn't mistakenly used to perform numeric to
string conversion when the result is being used for serialization as that only
works if the global C++ locale is set with LC_NUMERIC=C, which is the case
currently but may not be in the future.
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The equivalent function is now PBD::string_to<bool>
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These are now unused and functionality is replaced by XMLNode::set_property
set_property is a better name as a node can only have properties with unique
names and the property will be set or reset(if it already exists). Changing the
name also makes it easier to transition and test the new API.
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No longer need a specialization for bool as PBD::to_string/string_to already
has specializations for bool
Remove template specialization for float as string_to/to_string handles string
representations of infinity
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A simple macro for defining the four template specializations required to
convert an enum to a string and back using the existing string_2_enum and
enum_2_string functions. Generally these will only be instantiated in one
source file, I don't think it is necessary to explicitly instantiate any at
this stage.
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Keep ID::print in place for now and replace usage in subsequent commit to
minimize changes
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1st line after /** brief description.
Doxygen is used for Ardour's online source doc and the Lua class reference.
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All conversions are performed as if in the "C" locale but without actually
changing locale.
This is a wrapper around printf/sscanf for int types which aren't affected by
locale and uses glib functions g_ascii_strtod and g_ascii_dtostr for
float/double types.
My first attempt at this used std::stringstream and
ios::imbue(std::locale::classic()) as it should be thread safe, but testing
shows it is not for gcc/mingw-w64 on Windows, and possibly also some versions
of macOS/OS X.
Use "yes" and "no" when converting a boolean in PBD::string_to<bool> as this
seems to be the convention used throughout libardour which will allow using
string_to<bool> in those cases.
Add accepted bool string values from PBD::string_is_affirmative to
PBD::string_to<bool>
Mark strings in pbd/string_convert.cc as not for translation
Add u/int16_t string conversions to pbd/string_convert.h and tests
Add DEBUG_TRACE output on conversion errors
Add int8_t/uint8_t conversions(using int16/uint16 types) to string_convert.h
Add support for converting an infinity expression to/from string
Follows the C99/C11 standard for strtof/strtod where subject sequence is an
optional plus or minus sign then INF or INFINITY, ignoring case.
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This is for debugging errors with string conversion for cases where errors
aren't handled
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Designed to allow derived classes to *save* a different value
than would be reported by ::get_value().
Specifically there so that slaved controls can save/restore
their *own* state, not the value that ::get_value() would
return.
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This partially plugs a memory leak of event-loops.
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Prevent double unref during when the EventLoop terminates:
deleting the ringbuffer deletes all requests, some of which may
contain stale invalidation
remove the buffer_map_lock, now that signals ref-count the IR.
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at least for some versions of gcc.
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This kills 2 birds with 1 stone: Removes the necessity of locks
and makes call_slot() realtime safe (req->invalidation->requests list
push_back). On object destruction, the invalidation-record (IR) itself is
invalidated.
Invalidated IRs are pushed onto a trash-pool and deleted in the event-loop
of the invalidated object (GUI thread) once all requests that reference it
have been processed.
One last detail remains: PBD::signal connect should reference the IR
and disconnect unreference it. This will guarantee that signal emission
will not reference the IR while the pool trash is dropped.
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While EventLoop::invalidate_request() does invalidate request in the
request-list. It does *not* invalidate requests in the
per-thread-request-ringbuffer(s).
The invalidation record cannot be deleted in EventLoop::invalidate_request
see 6b5891a78f.
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