Commit graph

900 commits

Author SHA1 Message Date
William McPherson
1e0d57a13f Piano: Set some nice defaults 2020-02-05 17:52:10 +01:00
William McPherson
59bde64ba6 Piano: Add release
Notice that we are calculating release time according to the level when
the note is turned off rather than the sustain level. Naively using the
sustain level gives very long release times if you turn the note off
during attack, whereas this deterministically gives the same release
time.
2020-02-05 17:52:10 +01:00
William McPherson
ab9475a3f3 Piano: Add attack 2020-02-05 17:52:10 +01:00
William McPherson
5990b3b2e6 Piano: Add sustain 2020-02-05 17:52:10 +01:00
William McPherson
421a340572 Piano: Make decay more accurate
1. Make decay sample-granular rather than buffer-granular
You only have ~43 buffers per second which can make a jagged signal.

2. Calculate decay in milliseconds
Decay is supposed to be a time value.
2020-02-05 17:52:10 +01:00
William McPherson
44c81ee9db Piano: Remove phony multiple same note playback
I say "phony" because it's not actually playing the same frequency
twice, it's just playing the same frequency at a higher volume. We can
properly implement this later but at the moment it'll get in the way of
our ADSR implementation.
2020-02-05 17:52:10 +01:00
William McPherson
f909095981 Piano: Fix default knob values
Now you can change the defaults in AudioEngine and not be totally
confused.

1. The default for m_octave_knob was actually upside-down.
2. The default for m_decay_knob wasn't respecting AudioEngine.
3. The default for m_delay_knob wasn't respecting AudioEngine.
2020-02-05 17:52:10 +01:00
Sergey Bugaev
a6e7797a31 LibC: Move waitpid() to sys/wait.h
That's where POSIX says it should be.
2020-02-03 19:50:45 +01:00
Andreas Kling
c5bd9d4ed1 LibGUI: Put all classes in the GUI namespace and remove the leading G
This took me a moment. Welcome to the new world of GUI::Widget! :^)
2020-02-02 15:15:33 +01:00
Andreas Kling
2d39da5405 LibCore: Put all classes in the Core namespace and remove the leading C
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.
2020-02-02 15:15:30 +01:00
Andreas Kling
b7e3810b5c Terminal: Remove an unused variable 2020-02-02 15:09:48 +01:00
Andreas Kling
d67da8c101 LibGUI: Add GHBoxLayout and GVBoxLayout convenience classes 2020-02-02 15:09:48 +01:00
asliturk
63364f8a5d DisplayProperties: Highlight current wallpaper settings.
Fixes #556.
2020-02-02 15:08:37 +01:00
Andreas Kling
90cbe8a0da FileManager: Scope actions to the window where they logically belong
Most actions should not be app global. This fixes unwanted activations
while another window is active.
2020-02-02 02:03:39 +01:00
William McPherson
4a36a51618 Piano: Rewrite application
Goals:
- Switch to a more typical LibGUI arrangement
- Separate GUI (MainWidget) and audio (AudioEngine)
- Improve on existing features while retaining the same feature set

Improvements:
- Each GUI element is a separate widget
- The wave (WaveWidget) scales with the window
- The piano roll (RollWidget) scales horizontally and scrolls vertically
- The piano (KeysWidget) fits as many notes as possible
- The knobs (KnobsWidget) are now sliders
- All mouse and key events are handled in constant time
- The octave can be changed while playing notes
- The same note can be played with the mouse, keyboard and roll at the
  same time, and the volume of the resulting note is scaled accordingly
- Note frequency constants use the maximum precision available in a
  double
2020-01-31 13:13:04 +01:00
Sergey Bugaev
1e948f1766 SystemMonitor: Unveil /dev
DevicesModel wants to match devices supported by the kernel to device nodes
in /dev.
2020-01-30 12:23:22 +01:00
Sergey Bugaev
f9b4d981a8 LibGUI+FileManager: Try better to detect executables
We will now consider a file to be an executable if any of the executable
permission bits are set.
2020-01-28 15:08:27 +01:00
Sergey Bugaev
f983dfe319 Userland+Terminal: Port to new CArgsParser API
While at it, also add some niceties and fix some things.
2020-01-28 13:50:18 +01:00
Andreas Kling
169a38113e FileManager: Show symlink targets in status bar message
When a single item is selected and it happens to be a symlink pointing
somewhere, we now show where it points to in the status bar. :^)

There is a big ugly FIXME here about how DirectoryView has to work
around the fact that there's a GSortingProxyModel attached to the table
view widget.
2020-01-27 22:45:31 +01:00
Andreas Kling
f7b394af7d LibGUI: Add symlink targets as a column in GFileSystemModel
Also make sure to hide this column by default where we don't expect
to see it.
2020-01-27 22:19:05 +01:00
Andreas Kling
fcb7f6f233 FileManager: Use stat() when activating a file/directory
This makes it possible to open symlinks to directories by activating
them (via double click, for example.) :^)

Fixes #21.
2020-01-27 22:11:26 +01:00
Andreas Kling
6906edee9a LibGUI: Add 64-bit signed integer support to GVariant
What was previously the "Int" type is now "Int32" and "Int64".
2020-01-27 10:55:10 +01:00
Andreas Kling
cf10f22488 Terminal: Start a new session before exec'ing the shell
This will put everything running inside the terminal in the same SID.
2020-01-25 14:52:06 +01:00
Andreas Kling
c05c023664 Terminal: Fetch the user shell from /etc/passwd
This allows you to override the shell used by Terminal. :^)
2020-01-25 12:25:43 +01:00
Sergey Bugaev
c0b32f7b76 Meta: Claim copyright for files created by me
This changes copyright holder to myself for the source code files that I've
created or have (almost) completely rewritten. Not included are the files
that were significantly changed by others even though it was me who originally
created them (think HtmlView), or the many other files I've contributed code to.
2020-01-24 15:15:16 +01:00
Andreas Kling
7c74d3a657 TextEditor: Focus the editor after opening a new file 2020-01-23 21:33:15 +01:00
Andreas Kling
ebfb3d91e2 TextEditor: Various UI text tweaks 2020-01-23 21:33:15 +01:00
Andreas Kling
3de5439579 AK: Let's call decrementing reference counts "unref" instead of "deref"
It always bothered me that we're using the overloaded "dereference"
term for this. Let's call it "unreference" instead. :^)
2020-01-23 15:14:21 +01:00
Andreas Kling
50f9d27d3b Help: Use unveil() 2020-01-21 22:09:12 +01:00
Andreas Kling
a14f08fcc9 LibGUI: Import GColorPicker from the PaintBrush application 2020-01-21 21:55:25 +01:00
Andreas Kling
66598f60fe SystemMonitor: Show process unveil() state as "Veil"
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.
2020-01-21 18:56:23 +01:00
Andreas Kling
edf509c19e SystemMonitor: Use unveil() 2020-01-21 18:45:18 +01:00
Andreas Kling
1060d59ddd PaintBrush: Show which line thickness is selected in the tool menus
Put each tool's thickness altering actions into a GActionGroup and make
them mutually exclusive so we get that nice radio button appearance.

This all feel very clunky and we should move towards having something
like a "tool settings" pane that gets populated by the currently active
tool instead.
2020-01-21 13:47:57 +01:00
Andreas Kling
efbd1620d9 Terminal: Unveil the user's config file
I mistakenly thought that we were keeping the config file open, but we
don't. So we'll need to unveil the config path in case we need to write
out a new configuration.
2020-01-21 13:08:22 +01:00
Andreas Kling
3097eb4717 Terminal: Use unveil()
This app needs ("/bin/Terminal", "x") in order to fork+exec itself when
the user requests a new Terminal window. I really like how this reduces
reduces the impact of pledging "exec". :^)

It also needs ("/res", "r") like all GUI apps. We delay the first call
to unveil until after we've already opened the app's config file, so
there's no need to worry about that.
2020-01-21 12:16:17 +01:00
Andreas Kling
21886ff9e2 About: Use unveil() 2020-01-21 12:12:07 +01:00
Andreas Kling
39931733a5 Calculator: Use unveil()
A barebones GUI app like this only needs read access to /res (for fonts
and themes, in case settings change) once it's up and running.
2020-01-21 12:03:08 +01:00
Andreas Kling
d8357ceb26 SystemMonitor: Add an "Unveiled paths" section to the per-process tabs
This shows the data from /proc/PID/unveil in a nice table view. :^)
2020-01-20 22:32:44 +01:00
Andreas Kling
94ca55cefd Meta: Add license header to source files
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.
2020-01-18 09:45:54 +01:00
rhin123
488c510e02 Calculator: Added keyboard input 2020-01-18 08:33:20 +01:00
Shannon Booth
6697513d30 Help: Set tree view as focused widget
This allows you to use the start using the keys to navigate the
menu immediately, instead of having to click on the tree view first.
2020-01-18 00:27:39 +01:00
Andreas Kling
26a31c7efb Kernel: Add "accept" pledge promise for accepting incoming connections
This patch adds a new "accept" promise that allows you to call accept()
on an already listening socket. This lets programs set up a socket for
for listening and then dropping "inet" and/or "unix" so that only
incoming (and existing) connections are allowed from that point on.
No new outgoing connections or listening server sockets can be created.

In addition to accept() it also allows getsockopt() with SOL_SOCKET
and SO_PEERCRED, which is used to find the PID/UID/GID of the socket
peer. This is used by our IPC library when creating shared buffers that
should only be accessible to a specific peer process.

This allows us to drop "unix" in WindowServer and LookupServer. :^)

It also makes the debugging/introspection RPC sockets in CEventLoop
based programs work again.
2020-01-17 11:19:06 +01:00
Andreas Kling
d9385d7d62 SystemMonitor: Unbreak the memory stats graph
It was never updating because we'd just seek the start of /proc/memstat
over and over, which didn't generate new contents. Instead, open the
file on every iteration.
2020-01-15 23:14:20 +01:00
Andreas Kling
56428e764e Applications: Use pledge()
Add some basic pledges to the following apps:

- Calculator
- DisplayProperties
- FontEditor
- HexEditor
- PaintBrush
2020-01-13 14:41:15 +01:00
Andreas Kling
6182a1a71c About: Drop "unix" pledge after connecting to WindowServer 2020-01-13 14:41:15 +01:00
Brian Gianforcaro
e9a5b7456e About: Use pledge() 2020-01-13 11:11:18 +01:00
Andreas Kling
22cf24cba7 ChanViewer: Use pledge()
This app should be ported to LibProtocol, which would allow it to drop
"inet" and "dns" as well.
2020-01-12 13:22:34 +01:00
Andreas Kling
e588a41ac9 Browser: Drop "unix" pledge after starting up
We now instantiate a connection to ProtocolServer right away by calling
ResourceLoader::the(). This allows us to drop the "unix" pledge. :^)
2020-01-12 13:20:02 +01:00
Andreas Kling
f813bb52a2 Applications+DevTools+MenuApplets: Drop "unix" pledge when possible
Now that the "unix" pledge is no longer required for socket I/O, we can
drop it after making the connections we need in a program.

In most GUI program cases, once we've connected to the WindowServer by
instantiating a GApplication, we no longer need "unix" :^)
2020-01-12 12:03:57 +01:00
Andreas Kling
0d961ece94 SystemMonitor: Add "proc" pledge so we can send signals to processes 2020-01-12 10:07:42 +01:00