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An application that has its own descriptors and timers needed a second
loop next to yasl's, and could not see yasl's key-repeat timer, clipboard
pipes or reconnect timer. Now there is one wait: the application owns a
yasl_loop, and yasl_init can run the display on it.
- Public yasl_loop_*: descriptors, timers and signals. Descriptor
callbacks return void. Timer IDs are 64 bits and never reused; a zero
delay runs in the next step. A nested step or run fails with EBUSY, a
step off the loop's thread with EPERM, and a quit made before a run ends
it at once. An interrupted wait keeps its deadline. Creating a loop
fails when it cannot make its wake pipe.
- The display drives the loop through prepare, wait and check hooks
instead of wrapping its step. Wayland finishes its read before any
callback runs, so loop callbacks may create surfaces and do roundtrips.
Readiness (queued events, an owed REFRESH) is derived in the step, so
the wait never blocks over pending work. A draw that cannot proceed for
want of a buffer is no longer counted as work.
- yasl_init takes struct yasl_options. With loop and on_event, each step
delivers events to on_event and yasl_wait_event fails with EBUSY.
EALREADY only for the same options, EBUSY for others.
- yasl_surface_request_frame: a REFRESH once the window can show a new
frame, for pacing animation.
- DISPLAY_LOST reports whether the display reconnects. Pull waits still
fail with ENOTCONN after a final loss.
- Events pushed from another thread wake the loop.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Add yasl_cpu_present_damage to submit partial damage rectangles.
Skip commit timers for CPU surfaces to prevent display delay.
Remove frame callback gating in surface_draw_frame when free buffers exist.
Flush the display immediately on CPU present.
Forward tearing option to window specifications.
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This reverts commit b2f963670845e7e1bcb9f3b141e12ea7ba7560a4.
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The caret's logical rectangle depends on the surface scale. A scale
change left the compositor with the old rectangle until the app sent a
new caret. Send the caret again on every rescale while text input is
active.
Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
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The Wayland backend passed yasl's purpose values straight to
set_content_type. The values differ: yasl TERMINAL (3) reached the
compositor as the protocol's NUMBER. Map each yasl purpose to its
protocol constant. Unknown values fall back to normal text.
Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
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- Wayland: a touch contact is a press for move, resize, menu and drag
again, and a compositor without xdg-system-bell reports ENOTSUP.
- yasl_surface_set_cursor no longer reports a stale errno.
- The X11 input test expects the TIMESTAMP and MULTIPLE targets and
drives an INCR transfer instead of expecting INCR to be rejected.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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- GL swaps on a rendering thread no longer touch frame callbacks or
presentation feedback. They set a per-surface flag and wake the loop; the
owner thread arms both at its next flush and commits, so the frame callback
fires without waiting for the application's next swap.
- Clear the offline flag only after the reconnect rebuild succeeds, and not
when the connection was lost again during it.
- make_current fails with ENOTCONN for a window without a context. Detaching
is a no-op when nothing is current or the EGL display is gone.
- Window move, resize, window menu and drag start need a pointer button or
tablet tip that is still held; otherwise they fail with ESTALE and use that
press's serial. Popups fail with ESTALE without an input serial and with
ENOTCONN while the display is lost.
- An oversized device size shrinks to the buffer limits, keeping the aspect
ratio, instead of closing the window.
- FIXED_SIZE windows pin xdg min and max on every set_size. The 64px minimum
applies only to compositor-suggested sizes, not to application sizes.
- The keyboard-enter serial becomes the input serial. Clipboard copy with no
keyboard focus fails with ESTALE.
- Relative-pointer windows relock after a reconnect rebuild.
- errno: EBUSY for an active drag, ENOTSUP for place_under_pointer and for GL
without EGL, EINVAL for drag carry without a drag.
- Default window title and app ID are "YASL".
- Pointer motion and button events carry unrounded device-pixel positions in
precise_x/precise_y with precise_position set.
Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
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yasl.h now holds everything except Vulkan: 45 functions instead of 62,
and three installed headers instead of ten.
- One constructor: yasl_surface_create takes CPU, GL or NATIVE, with
zero-initialized GL options meaning 3.2 core, RGBA8, D24S8.
- Events carry action, mods, x, y and text at the top level; pen
positions are now logical like pointer positions.
- yasl_cpu_pixels/yasl_cpu_present draw into one persistent canvas,
cutting three full-frame copies per frame.
- yasl_surface_get_info, yasl_surface_request, YASL_CURSOR_LOCKED,
yasl_surface_set_text_input, yasl_surface_begin_move_resize and
yasl_surface_get_native replace groups of narrower calls.
- Interactive calls drop the decorative trigger event argument.
- yasl_wait_event returns 0 only on timeout or yasl_wake, the refresh
callback runs only in native modal loops, focus loss sends
INPUT_RESET, and a lost event no longer fails every later wait.
- Unsupported operations and bad arguments report ENOTSUP and EINVAL
instead of EIO; the keycodes header no longer needs C23.
- The shared library gets a versioned SONAME and version macros.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Windows now outlive the compositor. On connection loss YASL sends
DISPLAY_LOST instead of closing every window, retries the connection on
a loop timer, rebuilds each toplevel with its title, size, state and GL
context, and sends DISPLAY_RESTORED. CPU windows keep their pixels;
GPU renderers drop Vulkan surfaces and GL objects on loss and rebuild
them on restore.
- Free the dead connection's objects on the next wait, after the
application has released GPU objects built on them.
- Report a lost connection as an event rather than a failed wait.
- Refuse window and Vulkan surface creation while offline with the new
YASL_ERROR_DISCONNECTED.
- Close popups, cancel drags and fail pending clipboard requests on loss.
- Print only protocol errors, not ordinary disconnects.
- Examples survive a restart; game.c rebinds its GL context.
- Add an end-to-end test that kills Weston under CPU, GL and Vulkan
windows and requires them to recover.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Applications now need far less ceremony: hello.c is a 20-line loop that
handles REFRESH, CLOSE and QUIT and draws into the surface's own pixels.
- Fold GEOMETRY, STATE and FOCUS into one WINDOW event carrying size,
scale and state; unchanged values send nothing.
- Guarantee REFRESH once a window has a size and after every resize,
never at size zero.
- Merge DROP_HOVER into DROP with over/leave/data actions and give drag
and drop actions enums.
- Keep event strings valid until the next wait and drop
yasl_event_release; empty or failed waits report NONE.
- Replace copy-in presentation with a lent pixel buffer:
yasl_cpu_pixels and yasl_cpu_present.
- Remove yasl_poll_event, yasl_cpu_read_pixels, unused event fields and
comments that restated names.
- Wayland: resize floating windows in request_size instead of reporting
it unsupported, and stop marking new GPU surfaces as Vulkan so
yasl_vulkan_create_surface no longer fails with NATIVE_WINDOW_IN_USE.
Also includes the in-progress public API refactor that was uncommitted
in the tree (removal of the app/loop layer, new surface, GL and Vulkan
entry points).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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With LTO, GCC inlines the IME handlers into the test that passes a
32-byte buffer and warns that strndup's 256 KiB bound exceeds it
(-Wstringop-overread). The read never passed the NUL, since libwayland
always terminates protocol strings, but the warning reached consumers
such as wsap_term.
The text is now measured with strlen, capped at IME_TEXT_MAX, and copied,
which keeps the same truncation. An LTO release build is warning-free.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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wsap_term writes PNG screenshots for its debug server and keeps its own
copy of the frame because YASL had no readback.
yasl_surface_read_pixels() copies the frame from the last successful
present, or reports its extent when the buffer is too small. X11 and
Cocoa keep it in their single CPU target until the next draw starts;
X11 now also forgets it when a resize replaces the target, and Cocoa
records the presented extent because a resize can change the size before
the next draw. Wayland remembers which buffer it committed and forgets it
when a draw reuses that buffer.
The backend test checks the copy on Wayland and X11, and that draws that
never present do not show through. The Cocoa path is not built or run
here.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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wsap_term hardcodes 400 ms in three places to count clicks.
yasl_display_double_click_ms() reads the interval from the system. X11
parses Net/DoubleClickTime from the XSETTINGS owner's property. Wayland
has no protocol for it, so it asks the Settings portal for KDE's
DoubleClickInterval, which KDE sends as a string and which exists only
when the user set it, then GNOME's double-click. X11 without XSETTINGS
asks the portal too. Cocoa reads NSEvent.doubleClickInterval. Missing or
implausible values give YASL_DOUBLE_CLICK_MS_DEFAULT, 400 ms.
The X11 state test covers the XSETTINGS parser in both byte orders and
with truncation. The Xwayland test owns the settings selection. The
desktop test serves both portal keys. The Cocoa path is not built or run
here.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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wsap_term keeps per-platform code for opening links, notifications, the
bell, high-contrast detection, the executable and bundle paths, and the
default locale. These now live behind <yasl/desktop.h>.
On Linux, src/platform/freedesktop serves both backends. Opening a URI
runs xdg-open from PATH through a double fork, so the opener gets default
signal dispositions, an empty mask, a new session, and none of the
application's descriptors. Notifications and the Settings portal use the
session bus through libdbus-1, an optional dependency behind -Ddbus.
Appearance falls back to GTK_THEME without a portal. The bell uses
xdg-system-bell on Wayland and the XKB bell on X11.
Cocoa implements the same calls with NSWorkspace, UserNotifications, the
effective appearance, NSBeep, the bundle, and CFLocale. That code is not
built or run here; it needs a macOS check.
The desktop test runs under dbus-run-session against a fake notification
server and portal, and uses a fake xdg-open to check argument passing,
signal state, and descriptor inheritance.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Generated with wayland-scanner 1.26.0 from wayland-protocols' staging
xdg-system-bell-v1.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Pointer events set button only on press and release, so wsap_term tracked
held buttons itself to tell a drag from a hover.
yasl_pointer_event.buttons now holds a YASL_BUTTON_BIT() mask of the buttons
held after each event. The common input queue tracks it from the DOWN and
UP events it queues, and clears it on INPUT_RESET and on allocation
failure. Wayland also clears it on leave, since the compositor sends leave
during a press only when it takes the pointer and no release follows. X11
and Cocoa keep it, because they deliver motion and the release to the
pressed window after leave.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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yasl_surface_set_pointer_mode(YASL_POINTER_RELATIVE) now takes a
persistent zwp_locked_pointer_v1 on the surface and hides its cursor.
While the compositor keeps the lock engaged, zwp_relative_pointer_v1
motion is pushed as POINTER_MOTION with pos frozen and delta in device
pixels. When the lock disengages, as on focus loss, motion is absolute
again with a delta derived by the input queue.
The lock follows the pointer's seat: it moves to another seat when its
seat loses the pointer, and is released on NORMAL and on surface
destruction. Compositors without both protocols return false.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Generated with wayland-scanner 1.26.0 from wayland-protocols' unstable
relative-pointer-unstable-v1 and pointer-constraints-unstable-v1.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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The core input queue and the yasl_run() runner each had their own event
type, and the runner translated one into the other. Both now share
struct yasl_event in <yasl/yasl.h>: yasl_surface_poll_event() returns the
same events the app event callback receives, so the runner forwards them
unchanged.
Pointer input becomes POINTER_DOWN/UP/MOTION/SCROLL/LEAVE with a named
yasl_pointer_button and a motion delta computed in the input queue. TEXT,
PASTE and DROP share one text payload, scale changes fold into
WINDOW_RESIZE, and every event carries a monotonic time_ns.
yasl_surface_set_mouse_mode() is replaced by
yasl_surface_set_pointer_mode(); no backend implements relative mode yet.
The export check now only counts YASL_API declarations, so function
pointer fields returning enum yasl_app_result are not mistaken for
exports.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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