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pango_ft2_render_layout_line() requires the baseline offset as argument,
not the vertical extent of the glyphs. This is important as we currently
align glyphs to the bottom edge instead of the baseline.
Fix this by passing the cached baseline offset so all glyphs are correctly
aligned to the baseline. We then clip according to the cell-extents as
usual.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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It is currently pretty annoying to use multiple wlterm windows stacked on
top on each other when the terminal-background is black. The border
doesn't use multiple colors so it is hard to distinguish from the
main-frame.
This patch changes the border color to white (as most terminal-backgrounds
are black by default) and additionally draws a black 1px frame around it.
This guarantees that the frame is even visible with white terminal
backgrounds.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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The ld.gold linker doesn't provide --format=default but needs --format=elf
instead. However, this doesn't work with ld.bfd. To avoid any linker
detection, we now link any binary file via partial-linking into a proper
object file itself and then link this object file in the final linking
step.
This also produces a fake libtool *.lo file so the libtool linking command
doesn't complain about PIC/non-PIC problems.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We now keep a link to our parent seat and set it to NULL when our session
is unregistered. In this case, any further request that depends on the
session being registered and probably a valid seat pointer, we will stop
with ENODEV.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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These ioctls are used to retrieve and set the VT-mode. That is, the
signals and PID information that correspond to the VT controlling process.
It is notified whenever the VT gets active/inactive so it can react to it
or prevent/acknowledge it.
This doesn't implement the signal-sending logic, yet. It only implements
state-tracking.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Session IDs provide a unique ID for each registered session. They are used
to sort the sessions so next/prev return the correct neighbour-sessions.
Furthermore, they can be used by outside users to refer to a session
directly without knowing the session implementation.
Sessions with ID=0 are always linked at the end and considered to be
"unnamed".
The algorithm to switch to a session with a given ID is:
Try to find the first session with the exact same ID. If there is none,
return the session with the next higher ID. If there is none, return the
ID'th session in the list. If there is none, return the last session.
This provides a fairly predictable way of switching between session. It is
modeled after the classic VT F1-F12 keys that switch between sessions. If
a session is not given, these keys will switch to the next higher session
instead.
All "unnamed" sessions are put at the end. So if you have only F1-F4, then
F5-F12 will map to unnamed sessions.
Please note that new sessions are always linked at the end of their group.
So new unnamed sessions are at the far end, new named sessions are linked
in the sorted list but behind all sessions with the same ID.
Hence, the caller should avoid multiple sessions with the same ID,
otherwise, some sessions might not be reachable even though they're named
(unless you use next/prev of course).
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Add dummies for the ioctl VT callbacks. Also implement the KD-MODE and
KB-MODE state tracking as it is fairly trivial.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We should let the user move or resize the window while it is fullscreen or
maximized. This depends on the compositor to stop pending move/resize
requests when maximizing or setting a window fullscreen.
We can implement some "snap away from edges" behavior that allows to move
or resize while maximized. This will "unmaximize" the window if you move
it more than a given threshold. However, that's not needed now so lets do
that later when the wl_shell system is fully figured out.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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These helpers return whether a window is maximized/fullscreen. This can be
used by the theme/terminal control layer to change behavior depending on
these flags.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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A terminal's GL and GR sets can be mapped to 4 different registers g0 to
g3. The g0-g3 registers can be freely set by the application to predefined
or uploaded character-sets.
We implemented GL and GR as separate registers that are set to the current
g0-g3 states when the applications requests a remapping. So subsequent
changes to g0-g3 don't affect GL and GR. Unfortunately, it turns out this
is wrong. GL and GR should point to the g0-g3 registers instead of copying
them.
This commit fixes the GL and GR pointers to point to g0-g3 instead of
pointing to the underlying character sets. This fixes line-drawing
applications like alsamixer, make-menuconfig and other ncurses based
software.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Add callbacks for all major ioctls. We currently only implement ioctls
that are used by xserver on linux machines. Feel free to implement the new
ioctls.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We now create a VT for each legacy node and assign all clients to it. For
control nodes, we create a different VT for each open-file/client.
Note that we do not recreate VTs or CDEVs directly on HUP instead of
during the next open() or reconfiguration. This avoids trapping into the
same error again and gives control to the user to recreate the nodes at
the right time.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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The VT subsystem manages the virtual VTs and registers them with the
seat/session-scheduler. They manage control and legacy nodes as they are
mostly the same.
The different contexts create these VTs and assign them to cdev clients.
This allows us to split the VT and cdev logic apart so they can be
assigned freely to different clients.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This adds the uvt_client symbols to the public symbol list and exports
them so we can use them in uvtd.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We _must_ unlink the client and cdev first, then reset the VT. Otherwise,
the set_vt() call might think we are still alive and call user-defined
callbacks which might call kill again.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We use uint8_t so make sure we include inttypes.h in uvt.h.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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The ctx subsystem manages the CDEV devices for each seat. It currently
allocates one manager device and a given number of legacy devices that can
be accessed via subdirectories.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Two new functions to retrieve the current major number and dynamically
allocate minor numbers.
This can be used by clients that allocate more than one CDEV for VTs to
dynamically retrieve a new minor number.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We need the shl_flagset as part of SHL to make use of it.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We need to export the symbols to make use of them. This exports all useful
ctx+cdev functions for outside use. The other subsystems still need to get
reviewed before we export them.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We used an incorrectly formatted arguments as we mixed up two local
variables. Use the correct DEVNAME format now.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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These numbers are pretty useful during debugging so print them before
attempting to create the cdev devices.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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A flagset is a dynamic array where each bit of the array can be
independently set/reset. It can be used for minor/major allocations or
for other dynamically growing bitsets.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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These helpers return the first and last elements respectively.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This helper resizes the array to a given length and zeroes out all new
elements.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We now have official upload space on freedesktop.org. No need to link to
my personal upload space, anymore.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We use .xz now instead of .bz2 for release tarballs.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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kmscon is now hosted on freedesktop.org. Please don't use the github
links, anymore. I will push to github for some more weeks, but I recommend
to everyone to use my freedesktop.org repository as primary upstream link.
There were many reasons why github.com wasn't sufficient, anymore. But the
main reason is that they no longer provide upload space for release
tarballs. Hence, lets ditch github and move to freedesktop.org which
kindly provides everything we need plus a really nice mailing-list.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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xz is way better than bz2 with same/better decompression times.
Compression will take longer, but that's totally ok.
All new tarballs will be provided as xz only. Please adjust your
build-scripts to stop using bz2.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This flag enables all other options that extend the build. It is used for
debugging only and should never be used by distributions to control what
is built. Hence, we don't document it and never advertise it.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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log.h was moved to shl so use it in all tests.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This introduces uvtd which replaces kmscon sessions as an external helper
program. It's still a dummy program but it will get extended soon. After
that, kmscon sessions will get removed and limited to a single seat. This
will simplify kmscon itself heavily and move rarely used features out of
kmscon into helpers.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This moves githead.h to shl_githead.c so we can skip recompilations on
GIT-HEAD changes. We only need to relink now (which we cannot skip).
This speeds up build-processes considerably on slower machines.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We want to avoid any static files that are shared between multiple
programs but are not part of SHL. These make the build-process just more
complex.
Move log.[ch] to SHL so we have a known context.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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There is no reason to include headers in the main body of the source code.
Move it to the top so it's more readable.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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ld automatically assumes that any binary input file requires an executable
stack. There's no way to tell it that it doesn't so we simply mark all
inputs as noexecstack.
Reported-by: Etam
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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This is kmscon-7. See ./NEWS for a list of new features.
Unfortunately, github disabled the "Downloads" section so there is no way
to upload new pre-generated tarballs. I have a pending application to move
kmscon to freedesktop.org, but it didn't get processed in time for this
release. Therefore, you need to build the GNU-autotools files yourself.
That is, before calling ./configure you need to call:
NOCONFIGURE=1 ./autogen.sh
You can extend your build-scripts with:
test -f ./configure || NOCONFIGURE=1 ./autogen.sh
Which will call ./autogen.sh if needed. Everything else can be left
unchanged.
I will not upload the tarballs at another location. Feel free to do that
yourself, but I personally think this will introduce more confusion than
help. I hope the freedesktop.org move will be soon approved. This will
also provide a mailing-list where I can properly announce new releases.
Raw tarballs will be available as (without pre-generated autotools):
https://github.com/dvdhrm/kmscon/archive/kmscon-7.tar.gz
https://github.com/dvdhrm/kmscon/archive/kmscon-7.zip
The git-tag is: kmscon-7
You can use my public GPG key to verify the tarballs.
As usual, please report bugs to: https://github.com/dvdhrm/kmscon
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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It currently isn't possible to pass empty lists to these arguments as it
will then be interpreted as default. Fix this by using "default" if it is
empty.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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No reason to disable static libraries. Remove the LT_INIT parameter so we
can provide statically linked libraries.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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UVT is based heavily on the old cdev-sessions. It uses CUSE/FUSE to
implement virtual terminals in user-space.
This move into a library allows to use it in other projects, too. There is
no reason to limit it to kmscon sessions. In fact, we will remove the
cdev-sessions, soon and make kmscon a stand-alone terminal emulator
without any session capability.
Instead, the uvtd program will provide the VT emulation.
This library is not finished, nor ready for use. However, feel free to
contribute patches so we can eventually release a stable API.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Move the next_pow2() helper to shl_misc.h so we can use it everywhere.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We added llog-data pointers so fix the tests helpers to set it to NULL by
default.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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The build-system changed slightly so update the build-instructions.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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We changed a whole bunch of stuff since kmscon-6 but most of it still
isn't finished (mainly the modularization). However, we definitly need a
bugfix-release.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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We need "fuse_buf" so check for at least fuse 2.9.0.
Reported-by: https://github.com/dvdhrm/kmscon/issues/67
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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Unifont is a very nice font-backend that now has sane compilation times
(by using ld directly). It's recommended over 8x16 as it has proper
internationalization support.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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We now provide an experimental pixman backend. It still suffers from the
same problems but that cannot be fixed easily. Check it out if you want
it. Disabled by default, though.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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Provided via github. Fixes typos in documentation and comments.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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If we allow users to specify log functions, we should also allow them to
pass a context. This isn't used internally, but may be needed by external
users so provide it.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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We should test wlterm when running distcheck so make in mandatory.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
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