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120c76c8
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2022-01-03T09:40:00
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Updated copyright for 2022
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d31251b0
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2021-11-21T22:30:48
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use SDL's functions version inplace of libc version
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990fb668
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2021-11-20T01:02:02
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tests: several -Wwrite-strings fixes.
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6b8e880a
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2021-10-26T20:27:34
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checkkeysthreads: Create a renderer for window display on Wayland
Applies checkkeys patch from 105f1206 to checkkeysthreads.
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cb1e20b0
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2021-08-10T17:50:17
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Added KMOD_SCROLL to track the scroll lock state
Fixes https://github.com/libsdl-org/SDL/issues/4566
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64c40b90
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2021-06-04T14:34:21
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Updated copyright date
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37b093ea
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2021-06-05T00:05:56
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test/checkkeysthreads: build fixes, and add to os2 makefile.
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0dd7024d
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2021-03-12T21:58:20
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Modifies WaitEvent and WaitEventTimeout to actually wait instead of polling
When possible use native os functions to make a blocking call waiting for
an incoming event. Previous behavior was to continuously poll the event
queue with a small delay between each poll.
The blocking call uses a new optional video driver event,
WaitEventTimeout, if available. It is called only if an window
already shown is available. If present the window is designated
using the variable wakeup_window to receive a wakeup event if
needed.
The WaitEventTimeout function accept a timeout parameter. If
positive the call will wait for an event or return if the timeout
expired without any event. If the timeout is zero it will
implement a polling behavior. If the timeout is negative the
function will block indefinetely waiting for an event.
To let the main thread sees events sent form a different thread
a "wake-up" signal is sent to the main thread if the main thread
is in a blocking state. The wake-up event is sent to the designated
wakeup_window if present.
The wake-up event is sent only if the PushEvent call is coming
from a different thread. Before sending the wake-up event
the ID of the thread making the blocking call is saved using the
variable blocking_thread_id and it is compared to the current
thread's id to decide if the wake-up event should be sent.
Two new optional video device methods are introduced:
WaitEventTimeout
SendWakeupEvent
in addition the mutex
wakeup_lock
which is defined and initialized but only for the drivers supporting the
methods above.
If the methods are not present the system behaves as previously
performing a periodic polling of the events queue.
The blocking call is disabled if a joystick or sensor is detected
and falls back to previous behavior.
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