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This patch adds <LibCore/Forward.h> and uses it in various places to
shrink the header dependency graph.
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This object contains zero or more { mime_type, data } entries and will
be used for clipboard data as well as drag & drop.
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This is just to have a pleasant way to print the current time for now:
dbg() << Core::DateTime::now();
Or if you want it as a string:
Core::DateTime::now().to_string();
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This makes things look a little more neat in Inspector. :^)
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This was only used by HashTable::dump() which I used when doing the
first HashTable implementation. Removing this allows us to also remove
most includes of <AK/kstdio.h>.
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This patch adds a very simple HTTP request parser that can be useful
for implementing say.. a web server. :^)
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I've been wanting to do this for a long time. It's time we start being
consistent about how this stuff works.
The new convention is:
- "LibFoo" is a userspace library that provides the "Foo" namespace.
That's it :^) This was pretty tedious to convert and I didn't even
start on LibGUI yet. But it's coming up next.
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Unparented GActions are still parented to the application like before,
making them globally available.
This makes it possible to have actions that work whenever a specific
window is active, no matter which widget is currently focused. :^)
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Otherwise we'll lie about anything that doesn't implement is<T>() and
think it's indeed a T.
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This is a complete reimplementation of CArgsParser with a different API.
Now, CArgsParser properly supports and distinguishes between:
* Positional arguments (required or not)
* Options
Options can be short and/or long.
The API allows you to add custom option and argument types. A few types are
pre-implemented for convenience:
* Boolean options (take no value)
* String and integer options (take a required value)
* String and integer arguments
* Vector-of-string arguments
This commit doesn't include changes for all the users of CArgsParser (see next
commit for that).
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The "stay_within" parameter to CObject::dispatch_event() optionally
specifies a node in the CObject parent chain where event dispatch
should stop bubbling upwards.
Since event dispatch is done recursively, this was not working right,
as we would simply return from the innermost dispatch loop, leaving
the event un-accepted, which meant that the penultimately inner
dispatch loop would pick up the event and keep bubbling it anyway.
This made it possible for events to jump across window boundaries
within an application, in cases where one window was a CObject ancestor
of another window. This is typically the case with dialog windows.
Fix #1078.
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A process has one of three veil states:
- None: unveil() has never been called.
- Dropped: unveil() has been called, and can be called again.
- Locked: unveil() has been called, and cannot be called again.
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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It used to only read the data it could get without blocking. Andreas says this
was intentional, but it's counterintuitive and no code that uses read_all()
actually expects it to return only a part of the data. So change it to always
read data until an EOF (or an error) is received.
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CArgsParser::parse_next_param did not properly ensure that, when
a param required a following argument, there were enough parameters left to
complete the parse. This meant that params_left could become negative,
avoiding parse_next_param's termination condition, and cause a segfault
when reading from argv with an out of bounds index.
This fixes the check to ensure that we do in fact have the right amount
of parameters and also adds an assertion to ensure that params_left does
not become negative.
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The RPC client management was not updated for the changes that made
CObject reference-counted it seems. :^)
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Now that we can fchmod() on a pre-bind() socket, use that to lock down
the RPC sockets we publish in all CEventLoop-driven programs.
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Threads now have numeric priorities with a base priority in the 1-99
range.
Whenever a runnable thread is *not* scheduled, its effective priority
is incremented by 1. This is tracked in Thread::m_extra_priority.
The effective priority of a thread is m_priority + m_extra_priority.
When a runnable thread *is* scheduled, its m_extra_priority is reset to
zero and the effective priority returns to base.
This means that lower-priority threads will always eventually get
scheduled to run, once its effective priority becomes high enough to
exceed the base priority of threads "above" it.
The previous values for ThreadPriority (Low, Normal and High) are now
replaced as follows:
Low -> 10
Normal -> 30
High -> 50
In other words, it will take 20 ticks for a "Low" priority thread to
get to "Normal" effective priority, and another 20 to reach "High".
This is not perfect, and I've used some quite naive data structures,
but I think the mechanism will allow us to build various new and
interesting optimizations, and we can figure out better data structures
later on. :^)
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This removes a bunch of JsonValue copying from the hot path in thread
statistics fetching.
Also pre-size the thread statistics vector since we know the final size
up front. :^)
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LibCore timers now have a TimerShouldFireWhenNotVisible flag which is
set to "No" by default.
If "No", the timer will not be fired by the event loop if it's within
a CObject tree whose nearest GWindow ancestor is currently not visible
for timer purposes. (Specificially, this means that the window is
either minimized or fully occluded, and so does not want to fire timers
just to update the UI.)
This is another nice step towards a calm and serene operating system.
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This is memory that's loaded from an inode (file) but not modified in
memory, so still identical to what's on disk. This kind of memory can
be freed and reloaded transparently from disk if needed.
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Dirty private memory is all memory in non-inode-backed mappings that's
process-private, meaning it's not shared with any other process.
This patch exposes that number via SystemMonitor, giving us an idea of
how much memory each process is responsible for all on its own.
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Compiling LibCore on macOS is needed if one wants to compile host tools
(like IPCCompiler) on a non Linux host.
These changes could be possibly reverted once "event loop" functionality
and "base library" (Vector, String etc.) will be split in two separate libraries,
updating all relevant projects.
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Color themes are loaded from .ini files in /res/themes/
The theme can be switched from the "Themes" section in the system menu.
The basic mechanism is that WindowServer broadcasts a SharedBuffer with
all of the color values of the current theme. Clients receive this with
the response to their initial WindowServer::Greet handshake.
When the theme is changed, WindowServer tells everyone by sending out
an UpdateSystemTheme message with a new SharedBuffer to use.
This does feel somewhat bloated somehow, but I'm sure we can iterate on
it over time and improve things.
To get one of the theme colors, use the Color(SystemColor) constructor:
painter.fill_rect(rect, SystemColor::HoverHighlight);
Some things don't work 100% right without a reboot. Specifically, when
constructing a GWidget, it will set its own background and foreground
colors based on the current SystemColor::Window and SystemColor::Text.
The widget is then stuck with these values, and they don't update on
system theme change, only on app restart.
All in all though, this is pretty cool. Merry Christmas! :^)
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Allow everything to be built from the top level directory with just
'make', cleaned with 'make clean', and installed with 'make
install'. Also support these in any particular subdirectory.
Specifying 'make VERBOSE=1' will print each ld/g++/etc. command as
it runs.
Kernel and early host tools (IPCCompiler, etc.) are built as
object.host.o so that they don't conflict with other things built
with the cross-compiler.
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4KB gets pretty mmap/munmap heavy when downloading larger files,
so bump this a bit to reduce time spent in memory allocation.
This can be improved in various ways, but I'm not sure what the
best way forward is at the moment.
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We know that the CNetworkResponse inside a CHttpJob is always going to
be a CHttpResponse, so we can return a casted pointer to be nice. :^)
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This patch exposes some fields about purgeable memory regions.
We now also show total purgeable volatile and non-volatile memory in
the big process table.
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Using int was a mistake. This patch changes String, StringImpl,
StringView and StringBuilder to use size_t instead of int for lengths.
Obviously a lot of code needs to change as a result of this.
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