mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
966e653935
This actually simplifies the logic since we no longer have to wait for enter/leave events, and also improves the UX when e.g. handling a crash with gdb attached. See #2659
333 lines
8.9 KiB
C
333 lines
8.9 KiB
C
#include <stdlib.h>
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#include <wlr/config.h>
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#include <linux/input-event-codes.h>
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#include <wayland-server-protocol.h>
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#include <xcb/xcb.h>
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#include <xcb/xfixes.h>
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#include <xcb/xinput.h>
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#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/interfaces/wlr_touch.h>
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#include <wlr/util/log.h>
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#include "backend/x11.h"
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#include "util/signal.h"
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static void send_key_event(struct wlr_x11_backend *x11, uint32_t key,
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enum wl_keyboard_key_state st, xcb_timestamp_t time) {
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struct wlr_event_keyboard_key ev = {
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.time_msec = time,
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.keycode = key,
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.state = st,
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.update_state = true,
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};
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wlr_keyboard_notify_key(&x11->keyboard, &ev);
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}
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static void send_button_event(struct wlr_x11_output *output, uint32_t key,
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enum wlr_button_state st, xcb_timestamp_t time) {
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struct wlr_event_pointer_button ev = {
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.device = &output->pointer_dev,
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.time_msec = time,
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.button = key,
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.state = st,
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};
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wlr_signal_emit_safe(&output->pointer.events.button, &ev);
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wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
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}
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static void send_axis_event(struct wlr_x11_output *output, int32_t delta,
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xcb_timestamp_t time) {
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struct wlr_event_pointer_axis ev = {
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.device = &output->pointer_dev,
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.time_msec = time,
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.source = WLR_AXIS_SOURCE_WHEEL,
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.orientation = WLR_AXIS_ORIENTATION_VERTICAL,
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// 15 is a typical value libinput sends for one scroll
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.delta = delta * 15,
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.delta_discrete = delta,
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};
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wlr_signal_emit_safe(&output->pointer.events.axis, &ev);
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wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
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}
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static void send_pointer_position_event(struct wlr_x11_output *output,
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int16_t x, int16_t y, xcb_timestamp_t time) {
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struct wlr_event_pointer_motion_absolute ev = {
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.device = &output->pointer_dev,
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.time_msec = time,
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.x = (double)x / output->wlr_output.width,
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.y = (double)y / output->wlr_output.height,
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};
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wlr_signal_emit_safe(&output->pointer.events.motion_absolute, &ev);
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wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
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}
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static void send_touch_down_event(struct wlr_x11_output *output,
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int16_t x, int16_t y, int32_t touch_id, xcb_timestamp_t time) {
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struct wlr_event_touch_down ev = {
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.device = &output->touch_dev,
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.time_msec = time,
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.x = (double)x / output->wlr_output.width,
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.y = (double)y / output->wlr_output.height,
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.touch_id = touch_id,
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};
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wlr_signal_emit_safe(&output->touch.events.down, &ev);
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}
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static void send_touch_motion_event(struct wlr_x11_output *output,
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int16_t x, int16_t y, int32_t touch_id, xcb_timestamp_t time) {
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struct wlr_event_touch_motion ev = {
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.device = &output->touch_dev,
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.time_msec = time,
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.x = (double)x / output->wlr_output.width,
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.y = (double)y / output->wlr_output.height,
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.touch_id = touch_id,
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};
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wlr_signal_emit_safe(&output->touch.events.motion, &ev);
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}
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static void send_touch_up_event(struct wlr_x11_output *output,
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int32_t touch_id, xcb_timestamp_t time) {
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struct wlr_event_touch_up ev = {
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.device = &output->touch_dev,
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.time_msec = time,
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.touch_id = touch_id,
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};
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wlr_signal_emit_safe(&output->touch.events.up, &ev);
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}
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static struct wlr_x11_touchpoint* get_touchpoint_from_x11_touch_id(struct wlr_x11_output *output,
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uint32_t id) {
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struct wlr_x11_touchpoint *touchpoint;
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wl_list_for_each(touchpoint, &output->touchpoints, link) {
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if (touchpoint->x11_id == id) {
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return touchpoint;
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}
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}
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return NULL;
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}
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void handle_x11_xinput_event(struct wlr_x11_backend *x11,
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xcb_ge_generic_event_t *event) {
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struct wlr_x11_output *output;
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switch (event->event_type) {
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case XCB_INPUT_KEY_PRESS: {
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xcb_input_key_press_event_t *ev =
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(xcb_input_key_press_event_t *)event;
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wlr_keyboard_notify_modifiers(&x11->keyboard, ev->mods.base,
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ev->mods.latched, ev->mods.locked, ev->mods.effective);
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send_key_event(x11, ev->detail - 8, WL_KEYBOARD_KEY_STATE_PRESSED, ev->time);
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_KEY_RELEASE: {
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xcb_input_key_release_event_t *ev =
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(xcb_input_key_release_event_t *)event;
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wlr_keyboard_notify_modifiers(&x11->keyboard, ev->mods.base,
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ev->mods.latched, ev->mods.locked, ev->mods.effective);
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send_key_event(x11, ev->detail - 8, WL_KEYBOARD_KEY_STATE_RELEASED, ev->time);
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_BUTTON_PRESS: {
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xcb_input_button_press_event_t *ev =
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(xcb_input_button_press_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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switch (ev->detail) {
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case XCB_BUTTON_INDEX_1:
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send_button_event(output, BTN_LEFT, WLR_BUTTON_PRESSED,
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ev->time);
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break;
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case XCB_BUTTON_INDEX_2:
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send_button_event(output, BTN_MIDDLE, WLR_BUTTON_PRESSED,
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ev->time);
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break;
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case XCB_BUTTON_INDEX_3:
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send_button_event(output, BTN_RIGHT, WLR_BUTTON_PRESSED,
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ev->time);
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break;
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case XCB_BUTTON_INDEX_4:
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send_axis_event(output, -1, ev->time);
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break;
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case XCB_BUTTON_INDEX_5:
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send_axis_event(output, 1, ev->time);
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break;
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}
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_BUTTON_RELEASE: {
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xcb_input_button_release_event_t *ev =
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(xcb_input_button_release_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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switch (ev->detail) {
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case XCB_BUTTON_INDEX_1:
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send_button_event(output, BTN_LEFT, WLR_BUTTON_RELEASED,
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ev->time);
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break;
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case XCB_BUTTON_INDEX_2:
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send_button_event(output, BTN_MIDDLE, WLR_BUTTON_RELEASED,
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ev->time);
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break;
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case XCB_BUTTON_INDEX_3:
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send_button_event(output, BTN_RIGHT, WLR_BUTTON_RELEASED,
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ev->time);
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break;
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}
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_MOTION: {
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xcb_input_motion_event_t *ev = (xcb_input_motion_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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send_pointer_position_event(output, ev->event_x >> 16,
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ev->event_y >> 16, ev->time);
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_TOUCH_BEGIN: {
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xcb_input_touch_begin_event_t *ev = (xcb_input_touch_begin_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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int32_t id = 0;
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if (!wl_list_empty(&output->touchpoints)) {
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struct wlr_x11_touchpoint *last_touchpoint = wl_container_of(
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output->touchpoints.next, last_touchpoint, link);
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id = last_touchpoint->wayland_id + 1;
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}
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struct wlr_x11_touchpoint *touchpoint = calloc(1, sizeof(struct wlr_x11_touchpoint));
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touchpoint->x11_id = ev->detail;
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touchpoint->wayland_id = id;
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wl_list_init(&touchpoint->link);
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wl_list_insert(&output->touchpoints, &touchpoint->link);
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send_touch_down_event(output, ev->event_x >> 16,
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ev->event_y >> 16, touchpoint->wayland_id, ev->time);
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x11->time = ev->time;
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break;
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}
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case XCB_INPUT_TOUCH_END: {
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xcb_input_touch_end_event_t *ev = (xcb_input_touch_end_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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struct wlr_x11_touchpoint *touchpoint = get_touchpoint_from_x11_touch_id(output, ev->detail);
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if (!touchpoint) {
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return;
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}
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send_touch_up_event(output, touchpoint->wayland_id, ev->time);
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x11->time = ev->time;
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wl_list_remove(&touchpoint->link);
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free(touchpoint);
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break;
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}
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case XCB_INPUT_TOUCH_UPDATE: {
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xcb_input_touch_update_event_t *ev = (xcb_input_touch_update_event_t *)event;
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output = get_x11_output_from_window_id(x11, ev->event);
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if (!output) {
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return;
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}
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struct wlr_x11_touchpoint *touchpoint = get_touchpoint_from_x11_touch_id(output, ev->detail);
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if (!touchpoint) {
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return;
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}
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send_touch_motion_event(output, ev->event_x >> 16,
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ev->event_y >> 16, touchpoint->wayland_id, ev->time);
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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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}
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static void input_device_destroy(struct wlr_input_device *wlr_device) {
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// Don't free the input device, it's on the stack
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}
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const struct wlr_input_device_impl input_device_impl = {
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.destroy = input_device_destroy,
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};
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static void keyboard_destroy(struct wlr_keyboard *wlr_keyboard) {
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// Don't free the keyboard, it's on the stack
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}
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const struct wlr_keyboard_impl keyboard_impl = {
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.destroy = keyboard_destroy,
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};
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static void pointer_destroy(struct wlr_pointer *wlr_pointer) {
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// Don't free the pointer, it's on the stack
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}
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const struct wlr_pointer_impl pointer_impl = {
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.destroy = pointer_destroy,
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};
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static void touch_destroy(struct wlr_touch *wlr_touch) {
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// Don't free the touch, it's on the stack
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}
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const struct wlr_touch_impl touch_impl = {
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.destroy = touch_destroy,
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};
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void update_x11_pointer_position(struct wlr_x11_output *output,
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xcb_timestamp_t time) {
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struct wlr_x11_backend *x11 = output->x11;
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xcb_query_pointer_cookie_t cookie =
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xcb_query_pointer(x11->xcb, output->win);
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xcb_query_pointer_reply_t *reply =
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xcb_query_pointer_reply(x11->xcb, cookie, NULL);
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if (!reply) {
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return;
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}
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send_pointer_position_event(output, reply->win_x, reply->win_y, time);
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free(reply);
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}
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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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