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123 lines
3.5 KiB
123 lines
3.5 KiB
#include <wlr/interfaces/wlr_input_device.h>
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#include <wlr/interfaces/wlr_keyboard.h>
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#include <wlr/interfaces/wlr_pointer.h>
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#include <wlr/util/log.h>
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#include <xcb/xcb.h>
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#ifdef __linux__
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#include <linux/input-event-codes.h>
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#elif __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#endif
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#include "backend/x11.h"
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#include "util/signal.h"
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static uint32_t xcb_button_to_wl(uint32_t button) {
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switch (button) {
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case XCB_BUTTON_INDEX_1: return BTN_LEFT;
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case XCB_BUTTON_INDEX_2: return BTN_MIDDLE;
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case XCB_BUTTON_INDEX_3: return BTN_RIGHT;
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// XXX: I'm not sure the scroll-wheel direction is right
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case XCB_BUTTON_INDEX_4: return BTN_GEAR_UP;
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case XCB_BUTTON_INDEX_5: return BTN_GEAR_DOWN;
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default: return 0;
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}
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}
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bool x11_handle_input_event(struct wlr_x11_backend *x11,
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xcb_generic_event_t *event) {
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switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) {
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case XCB_KEY_PRESS:
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case XCB_KEY_RELEASE: {
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xcb_key_press_event_t *ev = (xcb_key_press_event_t *)event;
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struct wlr_event_keyboard_key key = {
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.time_msec = ev->time,
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.keycode = ev->detail - 8,
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.state = event->response_type == XCB_KEY_PRESS ?
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WLR_KEY_PRESSED : WLR_KEY_RELEASED,
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.update_state = true,
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};
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// TODO use xcb-xkb for more precise modifiers state?
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wlr_keyboard_notify_key(&x11->keyboard, &key);
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x11->time = ev->time;
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return true;
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}
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case XCB_BUTTON_PRESS: {
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xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
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if (ev->detail == XCB_BUTTON_INDEX_4 ||
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ev->detail == XCB_BUTTON_INDEX_5) {
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double delta = (ev->detail == XCB_BUTTON_INDEX_4 ? -15 : 15);
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struct wlr_event_pointer_axis axis = {
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.device = &x11->pointer_dev,
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.time_msec = ev->time,
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.source = WLR_AXIS_SOURCE_WHEEL,
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.orientation = WLR_AXIS_ORIENTATION_VERTICAL,
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.delta = delta,
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};
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wlr_signal_emit_safe(&x11->pointer.events.axis, &axis);
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x11->time = ev->time;
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break;
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}
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}
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/* fallthrough */
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case XCB_BUTTON_RELEASE: {
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xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
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if (ev->detail != XCB_BUTTON_INDEX_4 &&
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ev->detail != XCB_BUTTON_INDEX_5) {
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struct wlr_event_pointer_button button = {
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.device = &x11->pointer_dev,
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.time_msec = ev->time,
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.button = xcb_button_to_wl(ev->detail),
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.state = event->response_type == XCB_BUTTON_PRESS ?
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WLR_BUTTON_PRESSED : WLR_BUTTON_RELEASED,
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};
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wlr_signal_emit_safe(&x11->pointer.events.button, &button);
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}
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x11->time = ev->time;
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return true;
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}
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case XCB_MOTION_NOTIFY: {
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xcb_motion_notify_event_t *ev = (xcb_motion_notify_event_t *)event;
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struct wlr_x11_output *output =
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x11_output_from_window_id(x11, ev->event);
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if (output == NULL) {
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return false;
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}
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struct wlr_event_pointer_motion_absolute abs = {
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.device = &x11->pointer_dev,
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.time_msec = ev->time,
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.x = (double)ev->event_x / output->wlr_output.width,
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.y = (double)ev->event_y / output->wlr_output.height,
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};
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wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs);
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x11->time = ev->time;
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return true;
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}
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default:
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#ifdef WLR_HAS_XCB_XKB
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if (x11->xkb_supported && event->response_type == x11->xkb_base_event) {
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xcb_xkb_state_notify_event_t *ev =
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(xcb_xkb_state_notify_event_t *)event;
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wlr_keyboard_notify_modifiers(&x11->keyboard, ev->baseMods,
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ev->latchedMods, ev->lockedMods, ev->lockedGroup);
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return true;
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}
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#endif
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break;
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}
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return false;
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}
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const struct wlr_input_device_impl input_device_impl = { 0 };
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bool wlr_input_device_is_x11(struct wlr_input_device *wlr_dev) {
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return wlr_dev->impl == &input_device_impl;
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}
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