evdev: Implement tablet events
Tablet proximity, motion and button events are translated into ClutterEvents, and the device state is updated accordingly.
This commit is contained in:
Carlos Garnacho
parent
bc8b3d9f39
commit
7004818508
@ -53,6 +53,7 @@
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#include "clutter-backend-private.h"
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#include "clutter-evdev.h"
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#include "clutter-stage-private.h"
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#include "clutter-input-device-tool-evdev.h"
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#include "clutter-device-manager-evdev.h"
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@ -450,7 +451,8 @@ new_absolute_motion_event (ClutterInputDevice *input_device,
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event = clutter_event_new (CLUTTER_MOTION);
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if (manager_evdev->priv->constrain_callback)
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if (manager_evdev->priv->constrain_callback &&
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clutter_input_device_get_device_type (input_device) != CLUTTER_TABLET_DEVICE)
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{
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manager_evdev->priv->constrain_callback (seat->core_pointer,
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us2ms (time_us),
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@ -473,9 +475,16 @@ new_absolute_motion_event (ClutterInputDevice *input_device,
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event->motion.x = x;
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event->motion.y = y;
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event->motion.axes = axes;
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clutter_event_set_device (event, seat->core_pointer);
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clutter_event_set_source_device (event, input_device);
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if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
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{
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clutter_event_set_device_tool (event, device_evdev->last_tool);
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clutter_event_set_device (event, input_device);
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}
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else
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clutter_event_set_device (event, seat->core_pointer);
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_clutter_input_device_set_stage (seat->core_pointer, stage);
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seat->pointer_x = x;
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@ -683,20 +692,26 @@ notify_button (ClutterInputDevice *input_device,
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switch (button)
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{
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case BTN_LEFT:
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case BTN_TOUCH:
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button_nr = CLUTTER_BUTTON_PRIMARY;
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break;
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case BTN_RIGHT:
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case BTN_STYLUS:
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button_nr = CLUTTER_BUTTON_SECONDARY;
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break;
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case BTN_MIDDLE:
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case BTN_STYLUS2:
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button_nr = CLUTTER_BUTTON_MIDDLE;
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break;
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default:
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/* For compatibility reasons, all additional buttons go after the old 4-7 scroll ones */
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button_nr = button - (BTN_LEFT - 1) + 4;
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if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
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button_nr = button - BTN_TOOL_PEN + 4;
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else
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button_nr = button - (BTN_LEFT - 1) + 4;
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break;
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}
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@ -711,25 +726,47 @@ notify_button (ClutterInputDevice *input_device,
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else
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event = clutter_event_new (CLUTTER_BUTTON_RELEASE);
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/* Update the modifiers */
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if (state)
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seat->button_state |= maskmap[button - BTN_LEFT];
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else
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seat->button_state &= ~maskmap[button - BTN_LEFT];
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if (button_nr < G_N_ELEMENTS (maskmap))
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{
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/* Update the modifiers */
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if (state)
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seat->button_state |= maskmap[button_nr - 1];
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else
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seat->button_state &= ~maskmap[button_nr - 1];
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}
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_clutter_evdev_event_set_time_usec (event, time_us);
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event->button.time = us2ms (time_us);
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event->button.stage = CLUTTER_STAGE (stage);
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event->button.device = seat->core_pointer;
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_clutter_xkb_translate_state (event, seat->xkb, seat->button_state);
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event->button.button = button_nr;
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event->button.x = seat->pointer_x;
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event->button.y = seat->pointer_y;
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clutter_event_set_device (event, seat->core_pointer);
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if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
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{
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ClutterPoint point;
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clutter_input_device_get_coords (input_device, NULL, &point);
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event->button.x = point.x;
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event->button.y = point.y;
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}
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else
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{
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event->button.x = seat->pointer_x;
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event->button.y = seat->pointer_y;
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}
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clutter_event_set_source_device (event, input_device);
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_clutter_evdev_event_set_event_code (event, button);
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if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
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{
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clutter_event_set_device_tool (event, device_evdev->last_tool);
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clutter_event_set_device (event, input_device);
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}
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else
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clutter_event_set_device (event, seat->core_pointer);
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_clutter_input_device_set_stage (seat->core_pointer, stage);
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queue_event (event);
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@ -871,6 +908,44 @@ notify_swipe_gesture_event (ClutterInputDevice *input_device,
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queue_event (event);
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}
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static void
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notify_proximity (ClutterInputDevice *input_device,
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guint64 time_us,
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gboolean in)
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{
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ClutterInputDeviceEvdev *device_evdev;
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ClutterSeatEvdev *seat;
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ClutterStage *stage;
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ClutterEvent *event = NULL;
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/* We can drop the event on the floor if no stage has been
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* associated with the device yet. */
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stage = _clutter_input_device_get_stage (input_device);
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if (stage == NULL)
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return;
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device_evdev = CLUTTER_INPUT_DEVICE_EVDEV (input_device);
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seat = _clutter_input_device_evdev_get_seat (device_evdev);
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if (in)
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event = clutter_event_new (CLUTTER_PROXIMITY_IN);
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else
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event = clutter_event_new (CLUTTER_PROXIMITY_OUT);
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_clutter_evdev_event_set_time_usec (event, time_us);
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event->proximity.time = us2ms (time_us);
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event->proximity.stage = CLUTTER_STAGE (stage);
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event->proximity.device = seat->core_pointer;
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clutter_event_set_device_tool (event, device_evdev->last_tool);
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clutter_event_set_device (event, seat->core_pointer);
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clutter_event_set_source_device (event, input_device);
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_clutter_input_device_set_stage (seat->core_pointer, stage);
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queue_event (event);
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}
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static void
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dispatch_libinput (ClutterDeviceManagerEvdev *manager_evdev)
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{
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@ -1433,6 +1508,122 @@ translate_scroll_source (enum libinput_pointer_axis_source source)
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}
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}
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static ClutterInputDeviceToolType
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translate_tool_type (struct libinput_tablet_tool *libinput_tool)
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{
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enum libinput_tablet_tool_type tool;
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tool = libinput_tablet_tool_get_type (libinput_tool);
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switch (tool)
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{
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case LIBINPUT_TABLET_TOOL_TYPE_PEN:
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return CLUTTER_INPUT_DEVICE_TOOL_PEN;
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case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
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return CLUTTER_INPUT_DEVICE_TOOL_ERASER;
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case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
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return CLUTTER_INPUT_DEVICE_TOOL_BRUSH;
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case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
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return CLUTTER_INPUT_DEVICE_TOOL_PENCIL;
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case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
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return CLUTTER_INPUT_DEVICE_TOOL_AIRBRUSH;
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case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
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return CLUTTER_INPUT_DEVICE_TOOL_MOUSE;
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case LIBINPUT_TABLET_TOOL_TYPE_LENS:
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return CLUTTER_INPUT_DEVICE_TOOL_LENS;
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default:
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return CLUTTER_INPUT_DEVICE_TOOL_NONE;
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}
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}
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static void
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input_device_update_tool (ClutterInputDevice *input_device,
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struct libinput_tablet_tool *libinput_tool)
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{
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ClutterInputDeviceEvdev *evdev_device = CLUTTER_INPUT_DEVICE_EVDEV (input_device);
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ClutterInputDeviceTool *tool = NULL;
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ClutterInputDeviceToolType tool_type;
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guint64 tool_serial;
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if (libinput_tool)
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{
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tool_serial = libinput_tablet_tool_get_serial (libinput_tool);
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tool_type = translate_tool_type (libinput_tool);
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tool = clutter_input_device_lookup_tool (input_device,
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tool_serial, tool_type);
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if (!tool)
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{
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tool = clutter_input_device_tool_evdev_new (libinput_tool,
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tool_serial, tool_type);
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clutter_input_device_add_tool (input_device, tool);
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}
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}
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evdev_device->last_tool = tool;
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}
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static gdouble *
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translate_tablet_axes (struct libinput_event_tablet_tool *tablet_event)
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{
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GArray *axes = g_array_new (FALSE, FALSE, sizeof (gdouble));
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struct libinput_tablet_tool *libinput_tool;
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gdouble value;
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libinput_tool = libinput_event_tablet_tool_get_tool (tablet_event);
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value = libinput_event_tablet_tool_get_x (tablet_event);
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g_array_append_val (axes, value);
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value = libinput_event_tablet_tool_get_y (tablet_event);
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g_array_append_val (axes, value);
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if (libinput_tablet_tool_has_distance (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_distance (tablet_event);
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g_array_append_val (axes, value);
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}
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if (libinput_tablet_tool_has_pressure (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_pressure (tablet_event);
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g_array_append_val (axes, value);
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}
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if (libinput_tablet_tool_has_tilt (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_tilt_x (tablet_event);
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g_array_append_val (axes, value);
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value = libinput_event_tablet_tool_get_tilt_y (tablet_event);
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g_array_append_val (axes, value);
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}
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if (libinput_tablet_tool_has_rotation (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_rotation (tablet_event);
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g_array_append_val (axes, value);
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}
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if (libinput_tablet_tool_has_slider (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_slider_position (tablet_event);
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g_array_append_val (axes, value);
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}
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if (libinput_tablet_tool_has_wheel (libinput_tool))
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{
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value = libinput_event_tablet_tool_get_wheel_delta (tablet_event);
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g_array_append_val (axes, value);
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}
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if (axes->len == 0)
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{
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g_array_free (axes, TRUE);
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return NULL;
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}
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else
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return (gdouble *) g_array_free (axes, FALSE);
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}
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static gboolean
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process_device_event (ClutterDeviceManagerEvdev *manager_evdev,
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struct libinput_event *event)
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@ -1812,6 +2003,84 @@ process_device_event (ClutterDeviceManagerEvdev *manager_evdev,
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time_us, n_fingers, dx, dy);
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break;
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}
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case LIBINPUT_EVENT_TABLET_TOOL_AXIS:
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{
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guint64 time;
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double x, y, *axes;
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gfloat stage_width, stage_height;
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ClutterStage *stage;
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struct libinput_event_tablet_tool *tablet_event =
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libinput_event_get_tablet_tool_event (event);
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device = libinput_device_get_user_data (libinput_device);
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stage = _clutter_input_device_get_stage (device);
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if (!stage)
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break;
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axes = translate_tablet_axes (tablet_event);
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if (!axes)
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break;
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stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage));
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stage_height = clutter_actor_get_height (CLUTTER_ACTOR (stage));
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time = libinput_event_tablet_tool_get_time_usec (tablet_event);
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x = libinput_event_tablet_tool_get_x_transformed (tablet_event, stage_width);
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y = libinput_event_tablet_tool_get_y_transformed (tablet_event, stage_height);
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notify_absolute_motion (device, time, x, y, axes);
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break;
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}
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case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY:
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{
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guint64 time;
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struct libinput_event_tablet_tool *tablet_event =
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libinput_event_get_tablet_tool_event (event);
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struct libinput_tablet_tool *libinput_tool = NULL;
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enum libinput_tablet_tool_proximity_state state;
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state = libinput_event_tablet_tool_get_proximity_state (tablet_event);
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time = libinput_event_tablet_tool_get_time_usec (tablet_event);
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device = libinput_device_get_user_data (libinput_device);
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libinput_tool = libinput_event_tablet_tool_get_tool (tablet_event);
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input_device_update_tool (device, libinput_tool);
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notify_proximity (device, time, state == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN);
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break;
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}
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case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
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{
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guint64 time;
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guint32 button_state;
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struct libinput_event_tablet_tool *tablet_event =
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libinput_event_get_tablet_tool_event (event);
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guint tablet_button;
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device = libinput_device_get_user_data (libinput_device);
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time = libinput_event_tablet_tool_get_time_usec (tablet_event);
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tablet_button = libinput_event_tablet_tool_get_button (tablet_event);
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button_state = libinput_event_tablet_tool_get_button_state (tablet_event) ==
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LIBINPUT_BUTTON_STATE_PRESSED;
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notify_button (device, time, tablet_button, button_state);
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break;
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}
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case LIBINPUT_EVENT_TABLET_TOOL_TIP:
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{
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guint64 time;
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guint32 button_state;
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struct libinput_event_tablet_tool *tablet_event =
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libinput_event_get_tablet_tool_event (event);
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device = libinput_device_get_user_data (libinput_device);
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time = libinput_event_tablet_tool_get_time_usec (tablet_event);
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button_state = libinput_event_tablet_tool_get_tip_state (tablet_event) ==
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LIBINPUT_TABLET_TOOL_TIP_DOWN;
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notify_button (device, time, BTN_TOUCH, button_state);
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break;
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}
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default:
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handled = FALSE;
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}
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@ -65,6 +65,7 @@ struct _ClutterInputDeviceEvdev
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struct libinput_device *libinput_device;
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ClutterSeatEvdev *seat;
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ClutterInputDeviceTool *last_tool;
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};
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GType _clutter_input_device_evdev_get_type (void) G_GNUC_CONST;
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