Age | Commit message (Collapse) | Author | Files | Lines |
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connectSlot
I do this to avoid compiler ambiguity between the two versions of connect()
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without them, gcc would compare them by converting them to bool first, which is not exactly what
one would expect. Frankly, I'm surprised it even worked without this.
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it is too easy too shoot yourself in the foot with it, other smart pointers also don't allow such
assignments. If you do want to assign to a RefCount pointer, use reset().
ps: assignment between two RefCounts remains possible, of course.
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This way we can use Commands as signal handlers out-of-the-box.
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Command offers a subset of functionality and could be completely removed at some point.
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to make it's interface more compatible with other smart pointers.
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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 other places. But Signal classes
remain without the ReturnType, because I still cannot imagine how would it be used.
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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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Commit 690d926 (introduced FbTk::BidiString) broke building without
HAVE_ICONV, because of wrong variable name and use of iconv_t type.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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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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I removed the const versions of reconfigSig() in the process since FbTk::Signal has no const
methods anyway.
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basically, i just got rid of Signal[0-3] classes and moved their contents to the appropriate
specialization of FbTk::Signal
also, this fixes the
no matching function for call to 'MemFunIgnoreArgs(FbTk::Signal<void, FbTk::SigImpl::EmptyArg,
FbTk::SigImpl::EmptyArg, FbTk::SigImpl::EmptyArg>&, void (FbTk::SigImpl::Signal0<void>::*)())'
error i had in the following commit.
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Introduces a new member function, FbWindow::cardinalProperty()
This change also changes other code that previously used
FbWindow::property() to do the same thing as the new function; this
reduces code duplication.
There are still some bits of code (Ewmh.cc, extractNetWmIcon()) that use
FbWindow::property() to retrieve XA_CARDINAL values, but as the new
method is designed for getting a _single_ property, and that code uses
FbWindow::property() to retrieve the number of values present, and then
grab all of them; it's a different use case. I opted to not try to make
cardinalProperty() into some monolithic all-purpose cardinal method;
FbWindow::property() works just fine for that.
This change also adds an optional (default=NULL) boolean to
FbWindow::textProperty and friends that allows the caller to determine
whether or not a value was actually retrieved. This was necessary for
integrating FbWindow::cardinalProperty with the codebase, and it seemed
to fit with FbWindow::textProperty as well. Prior to this change, if
you got a return value of "", you wouldn't know if you successfully
retrieved the value which happened to be blank, or if you failed to
retrieve the value. Now, you can pass the address of a boolean if you
so choose in order to differentiate these situations; the same applies
to the new FbWindow::cardinalProperty().
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likes it that way)
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use the FbTk::Timer API correctly, bug(s) introduced by
1f0adef4daa2da5b08ed7f41e7a0ce1e3f71e46f
e68511794130388ab9668fdef0dcf48dbbf002fd
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had to add <algorithm> at various other files as a result of this change.
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WindowMenuAccessor returned strange alpha values if compiled
with 'g++ -Os'; unholy black magic happens if template<int> faces
functions returning only 'usigned char'.
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At least 'invertRGB()' does not like 'width' or 'height' being 0.
341b2f43e511e39dd was triggered by this problem as well.
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With ROT90-SystemTray fluxbox crashed. It is a bit unclear of where
to catch pixmaps / windows with either width or height equal to 0; IMHO
this needs more investigation.
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nxserver-3.x creates a XExposeEvent for the unmapped FbTk::Menu(), which is
not configured completely yet (hence unmapped). this causes a call to
FbTk::Menu::clearItem() which then uses a value of 0 for m_rows_per_column
to divide the current index which triggers a SIGFPE.
it is still unclear, why nxserver-3.x creates the XExposeEvent for the
unmapped (menu) window. doing nothing if the menu is unmapped 'fixes'
the problem for now.
many thanks to Lars Engels (bsd-geek.de) to assist me in debugging this
issue.
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'typeinfo' was needed for RTTI in isItemSelectable() (see last commit)
'algorithm' is already included some lines above
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MenuSeparator is never enabled since it returns always 'false' in its
implementation of isEnabled(). no need to use RTTI imho.
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* removed useless struct _menu
* code deduplication via renderMenuPixmap()
* improved documentation:
- 'sublevel' actually means 'column'
- 'persub' means 'row_per_column'
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