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ClutterVirtualInputDeviceEvdev: Forward button and key presses

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=765009
This commit is contained in:
Jonas Ådahl 2016-06-22 17:56:44 +08:00 committed by Carlos Garnacho
parent e928370bf0
commit 0992b5c53e
1 changed files with 142 additions and 0 deletions
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142
clutter/clutter/evdev/clutter-virtual-input-device-evdev.c
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@ -26,6 +26,7 @@
#endif
#include <glib-object.h>
#include <linux/input.h>
#include "clutter-private.h"
#include "clutter-virtual-input-device.h"
@ -50,12 +51,102 @@ struct _ClutterVirtualInputDeviceEvdev
ClutterInputDevice *device;
ClutterSeatEvdev *seat;
int button_count[KEY_CNT];
};
G_DEFINE_TYPE (ClutterVirtualInputDeviceEvdev,
clutter_virtual_input_device_evdev,
CLUTTER_TYPE_VIRTUAL_INPUT_DEVICE)
typedef enum _EvdevButtonType
{
EVDEV_BUTTON_TYPE_NONE,
EVDEV_BUTTON_TYPE_KEY,
EVDEV_BUTTON_TYPE_BUTTON,
} EvdevButtonType;
static int
update_button_count (ClutterVirtualInputDeviceEvdev *virtual_evdev,
uint32_t button,
uint32_t state)
{
if (state)
return ++virtual_evdev->button_count[button];
else
return --virtual_evdev->button_count[button];
}
static EvdevButtonType
get_button_type (uint16_t code)
{
switch (code)
{
case BTN_TOOL_PEN:
case BTN_TOOL_RUBBER:
case BTN_TOOL_BRUSH:
case BTN_TOOL_PENCIL:
case BTN_TOOL_AIRBRUSH:
case BTN_TOOL_MOUSE:
case BTN_TOOL_LENS:
case BTN_TOOL_QUINTTAP:
case BTN_TOOL_DOUBLETAP:
case BTN_TOOL_TRIPLETAP:
case BTN_TOOL_QUADTAP:
case BTN_TOOL_FINGER:
case BTN_TOUCH:
return EVDEV_BUTTON_TYPE_NONE;
}
if (code >= KEY_ESC && code <= KEY_MICMUTE)
return EVDEV_BUTTON_TYPE_KEY;
if (code >= BTN_MISC && code <= BTN_GEAR_UP)
return EVDEV_BUTTON_TYPE_BUTTON;
if (code >= KEY_OK && code <= KEY_LIGHTS_TOGGLE)
return EVDEV_BUTTON_TYPE_KEY;
if (code >= BTN_DPAD_UP && code <= BTN_DPAD_RIGHT)
return EVDEV_BUTTON_TYPE_BUTTON;
if (code >= KEY_ALS_TOGGLE && code <= KEY_KBDINPUTASSIST_CANCEL)
return EVDEV_BUTTON_TYPE_KEY;
if (code >= BTN_TRIGGER_HAPPY && code <= BTN_TRIGGER_HAPPY40)
return EVDEV_BUTTON_TYPE_BUTTON;
return EVDEV_BUTTON_TYPE_NONE;
}
static void
release_pressed_buttons (ClutterVirtualInputDevice *virtual_device)
{
ClutterVirtualInputDeviceEvdev *virtual_evdev =
CLUTTER_VIRTUAL_INPUT_DEVICE_EVDEV (virtual_device);
int code;
uint64_t time_us;
time_us = g_get_monotonic_time ();
for (code = 0; code < G_N_ELEMENTS (virtual_evdev->button_count); code++)
{
if (virtual_evdev->button_count[code] == 0)
continue;
switch (get_button_type (code))
{
case EVDEV_BUTTON_TYPE_KEY:
clutter_virtual_input_device_notify_key (virtual_device,
time_us,
code,
CLUTTER_KEY_STATE_RELEASED);
break;
case EVDEV_BUTTON_TYPE_BUTTON:
clutter_virtual_input_device_notify_button (virtual_device,
time_us,
code,
CLUTTER_BUTTON_STATE_RELEASED);
break;
case EVDEV_BUTTON_TYPE_NONE:
g_assert_not_reached ();
}
}
}
static void
clutter_virtual_input_device_evdev_notify_relative_motion (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
@ -94,6 +185,31 @@ clutter_virtual_input_device_evdev_notify_button (ClutterVirtualInputDevice *vir
uint32_t button,
ClutterButtonState button_state)
{
ClutterVirtualInputDeviceEvdev *virtual_evdev =
CLUTTER_VIRTUAL_INPUT_DEVICE_EVDEV (virtual_device);
int button_count;
if (get_button_type (button) != EVDEV_BUTTON_TYPE_BUTTON)
{
g_warning ("Unknown/invalid virtual device button 0x%x pressed",
button);
return;
}
button_count = update_button_count (virtual_evdev, button, button_state);
if (button_count < 0 || button_count > 1)
{
g_warning ("Received multiple virtual 0x%x button %s (ignoring)", button,
button_state == CLUTTER_BUTTON_STATE_PRESSED ? "presses" : "releases");
update_button_count (virtual_evdev, button, 1 - button_state);
return;
}
clutter_seat_evdev_notify_button (virtual_evdev->seat,
virtual_evdev->device,
time_us,
button,
button_state);
}
static void
@ -102,6 +218,31 @@ clutter_virtual_input_device_evdev_notify_key (ClutterVirtualInputDevice *virtua
uint32_t key,
ClutterKeyState key_state)
{
ClutterVirtualInputDeviceEvdev *virtual_evdev =
CLUTTER_VIRTUAL_INPUT_DEVICE_EVDEV (virtual_device);
int key_count;
if (get_button_type (key) != EVDEV_BUTTON_TYPE_KEY)
{
g_warning ("Unknown/invalid virtual device key 0x%x pressed\n", key);
return;
}
key_count = update_button_count (virtual_evdev, key, key_state);
if (key_count < 0 || key_count > 1)
{
g_warning ("Received multiple virtual 0x%x key %s (ignoring)", key,
key_state == CLUTTER_KEY_STATE_PRESSED ? "presses" : "releases");
update_button_count (virtual_evdev, key, 1 - key_state);
return;
}
clutter_seat_evdev_notify_key (virtual_evdev->seat,
virtual_evdev->device,
time_us,
key,
key_state,
TRUE);
}
static void
@ -176,6 +317,7 @@ clutter_virtual_input_device_evdev_finalize (GObject *object)
CLUTTER_VIRTUAL_INPUT_DEVICE_EVDEV (object);
GObjectClass *object_class;
release_pressed_buttons (virtual_device);
g_clear_object (&virtual_evdev->device);
object_class =