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virtual-input/evdev: Translate from button codes internal to evdev

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Sending button events to a ClutterVirtualInputDevice, the API expects
button codes to be of the internal clutter type. The evdev
implementation incorrectly assumed it was already prepared evdev event
codes, which was not the case. Fix the evdev implementation to translate
from the internal representation to evdev before passing it along to
ClutterSeatEvdev.
This commit is contained in:
Jonas Ådahl 2018-08-06 21:00:23 +02:00 committed by Ray Strode
parent 6d7bbeddd7
commit b9614f0797
1 changed files with 25 additions and 6 deletions
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31
clutter/clutter/evdev/clutter-virtual-input-device-evdev.c
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@ -185,6 +185,22 @@ clutter_virtual_input_device_evdev_notify_absolute_motion (ClutterVirtualInputDe
NULL);
}
static int
translate_to_evdev_button (int button)
{
switch (button)
{
case CLUTTER_BUTTON_PRIMARY:
return BTN_LEFT;
case CLUTTER_BUTTON_SECONDARY:
return BTN_RIGHT;
case CLUTTER_BUTTON_MIDDLE:
return BTN_MIDDLE;
default:
return button + (BTN_LEFT - 1) - 4;
}
}
static void
clutter_virtual_input_device_evdev_notify_button (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
@ -194,30 +210,33 @@ clutter_virtual_input_device_evdev_notify_button (ClutterVirtualInputDevice *vir
ClutterVirtualInputDeviceEvdev *virtual_evdev =
CLUTTER_VIRTUAL_INPUT_DEVICE_EVDEV (virtual_device);
int button_count;
int evdev_button;
if (time_us == CLUTTER_CURRENT_TIME)
time_us = g_get_monotonic_time ();
if (get_button_type (button) != EVDEV_BUTTON_TYPE_BUTTON)
evdev_button = translate_to_evdev_button (button);
if (get_button_type (evdev_button) != EVDEV_BUTTON_TYPE_BUTTON)
{
g_warning ("Unknown/invalid virtual device button 0x%x pressed",
button);
evdev_button);
return;
}
button_count = update_button_count (virtual_evdev, button, button_state);
button_count = update_button_count (virtual_evdev, evdev_button, button_state);
if (button_count < 0 || button_count > 1)
{
g_warning ("Received multiple virtual 0x%x button %s (ignoring)", button,
g_warning ("Received multiple virtual 0x%x button %s (ignoring)", evdev_button,
button_state == CLUTTER_BUTTON_STATE_PRESSED ? "presses" : "releases");
update_button_count (virtual_evdev, button, 1 - button_state);
update_button_count (virtual_evdev, evdev_button, 1 - button_state);
return;
}
clutter_seat_evdev_notify_button (virtual_evdev->seat,
virtual_evdev->device,
time_us,
button,
evdev_button,
button_state);
}