mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-22 23:22:24 +00:00
91943a68a6
This union is unnecessary since the recent input device refactor and can now be replaced by wlr_*_from_input_device() functions.
412 lines
13 KiB
C
412 lines
13 KiB
C
#define _POSIX_C_SOURCE 200112L
|
|
#include <assert.h>
|
|
#include <math.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <wayland-server-core.h>
|
|
#include <wlr/backend.h>
|
|
#include <wlr/backend/session.h>
|
|
#include <wlr/render/allocator.h>
|
|
#include <wlr/render/wlr_renderer.h>
|
|
#include <wlr/types/wlr_cursor.h>
|
|
#include <wlr/types/wlr_keyboard.h>
|
|
#include <wlr/types/wlr_matrix.h>
|
|
#include <wlr/types/wlr_output_layout.h>
|
|
#include <wlr/types/wlr_pointer.h>
|
|
#include <wlr/types/wlr_tablet_tool.h>
|
|
#include <wlr/types/wlr_touch.h>
|
|
#include <wlr/types/wlr_xcursor_manager.h>
|
|
#include <wlr/util/log.h>
|
|
#include <xkbcommon/xkbcommon.h>
|
|
|
|
struct sample_state {
|
|
struct wl_display *display;
|
|
struct compositor_state *compositor;
|
|
struct wlr_renderer *renderer;
|
|
struct wlr_allocator *allocator;
|
|
struct wlr_xcursor_manager *xcursor_manager;
|
|
struct wlr_cursor *cursor;
|
|
double cur_x, cur_y;
|
|
float default_color[4];
|
|
float clear_color[4];
|
|
struct wlr_output_layout *layout;
|
|
struct wl_list devices;
|
|
struct timespec last_frame;
|
|
|
|
struct wl_listener new_output;
|
|
struct wl_listener new_input;
|
|
struct wl_listener cursor_motion;
|
|
struct wl_listener cursor_motion_absolute;
|
|
struct wl_listener cursor_button;
|
|
struct wl_listener cursor_axis;
|
|
|
|
struct wl_listener touch_motion;
|
|
struct wl_listener touch_up;
|
|
struct wl_listener touch_down;
|
|
struct wl_listener touch_cancel;
|
|
struct wl_list touch_points;
|
|
|
|
struct wl_listener tablet_tool_axis;
|
|
struct wl_listener tablet_tool_proxmity;
|
|
struct wl_listener tablet_tool_tip;
|
|
struct wl_listener tablet_tool_button;
|
|
};
|
|
|
|
struct touch_point {
|
|
int32_t touch_id;
|
|
double x, y;
|
|
struct wl_list link;
|
|
};
|
|
|
|
struct sample_output {
|
|
struct sample_state *state;
|
|
struct wlr_output *output;
|
|
struct wl_listener frame;
|
|
struct wl_listener destroy;
|
|
};
|
|
|
|
struct sample_keyboard {
|
|
struct sample_state *state;
|
|
struct wlr_keyboard *wlr_keyboard;
|
|
struct wl_listener key;
|
|
struct wl_listener destroy;
|
|
};
|
|
|
|
static void warp_to_touch(struct sample_state *state,
|
|
struct wlr_input_device *dev) {
|
|
if (wl_list_empty(&state->touch_points)) {
|
|
return;
|
|
}
|
|
|
|
double x = 0, y = 0;
|
|
size_t n = 0;
|
|
struct touch_point *point;
|
|
wl_list_for_each(point, &state->touch_points, link) {
|
|
x += point->x;
|
|
y += point->y;
|
|
n++;
|
|
}
|
|
x /= n;
|
|
y /= n;
|
|
wlr_cursor_warp_absolute(state->cursor, dev, x, y);
|
|
}
|
|
|
|
static void output_frame_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
|
|
struct sample_state *state = sample_output->state;
|
|
struct wlr_output *wlr_output = sample_output->output;
|
|
struct wlr_renderer *renderer = state->renderer;
|
|
assert(renderer);
|
|
|
|
wlr_output_attach_render(wlr_output, NULL);
|
|
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
|
|
wlr_renderer_clear(renderer, state->clear_color);
|
|
wlr_output_render_software_cursors(wlr_output, NULL);
|
|
wlr_renderer_end(renderer);
|
|
wlr_output_commit(wlr_output);
|
|
}
|
|
|
|
static void handle_cursor_motion(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, cursor_motion);
|
|
struct wlr_pointer_motion_event *event = data;
|
|
wlr_cursor_move(sample->cursor, &event->pointer->base, event->delta_x,
|
|
event->delta_y);
|
|
}
|
|
|
|
static void handle_cursor_motion_absolute(struct wl_listener *listener,
|
|
void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, cursor_motion_absolute);
|
|
struct wlr_pointer_motion_absolute_event *event = data;
|
|
|
|
sample->cur_x = event->x;
|
|
sample->cur_y = event->y;
|
|
|
|
wlr_cursor_warp_absolute(sample->cursor, &event->pointer->base,
|
|
sample->cur_x, sample->cur_y);
|
|
}
|
|
|
|
static void handle_cursor_button(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, cursor_button);
|
|
struct wlr_pointer_button_event *event = data;
|
|
|
|
float (*color)[4];
|
|
if (event->state == WLR_BUTTON_RELEASED) {
|
|
color = &sample->default_color;
|
|
memcpy(&sample->clear_color, color, sizeof(*color));
|
|
} else {
|
|
float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
|
|
red[event->button % 3] = 1;
|
|
color = &red;
|
|
memcpy(&sample->clear_color, color, sizeof(*color));
|
|
}
|
|
}
|
|
|
|
static void handle_cursor_axis(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, cursor_axis);
|
|
struct wlr_pointer_axis_event *event = data;
|
|
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
sample->default_color[i] += event->delta > 0 ? -0.05f : 0.05f;
|
|
if (sample->default_color[i] > 1.0f) {
|
|
sample->default_color[i] = 1.0f;
|
|
}
|
|
if (sample->default_color[i] < 0.0f) {
|
|
sample->default_color[i] = 0.0f;
|
|
}
|
|
}
|
|
|
|
memcpy(&sample->clear_color, &sample->default_color,
|
|
sizeof(sample->clear_color));
|
|
}
|
|
|
|
static void handle_touch_up(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample = wl_container_of(listener, sample, touch_up);
|
|
struct wlr_touch_up_event *event = data;
|
|
|
|
struct touch_point *point, *tmp;
|
|
wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
|
|
if (point->touch_id == event->touch_id) {
|
|
wl_list_remove(&point->link);
|
|
break;
|
|
}
|
|
}
|
|
|
|
warp_to_touch(sample, &event->touch->base);
|
|
}
|
|
|
|
static void handle_touch_down(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample = wl_container_of(listener, sample, touch_down);
|
|
struct wlr_touch_down_event *event = data;
|
|
struct touch_point *point = calloc(1, sizeof(struct touch_point));
|
|
point->touch_id = event->touch_id;
|
|
point->x = event->x;
|
|
point->y = event->y;
|
|
wl_list_insert(&sample->touch_points, &point->link);
|
|
|
|
warp_to_touch(sample, &event->touch->base);
|
|
}
|
|
|
|
static void handle_touch_motion(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, touch_motion);
|
|
struct wlr_touch_motion_event *event = data;
|
|
|
|
struct touch_point *point;
|
|
wl_list_for_each(point, &sample->touch_points, link) {
|
|
if (point->touch_id == event->touch_id) {
|
|
point->x = event->x;
|
|
point->y = event->y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
warp_to_touch(sample, &event->touch->base);
|
|
}
|
|
|
|
static void handle_touch_cancel(struct wl_listener *listener, void *data) {
|
|
wlr_log(WLR_DEBUG, "TODO: touch cancel");
|
|
}
|
|
|
|
static void handle_tablet_tool_axis(struct wl_listener *listener, void *data) {
|
|
struct sample_state *sample =
|
|
wl_container_of(listener, sample, tablet_tool_axis);
|
|
struct wlr_tablet_tool_axis_event *event = data;
|
|
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
|
|
(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
|
|
wlr_cursor_warp_absolute(sample->cursor, &event->tablet->base,
|
|
event->x, event->y);
|
|
}
|
|
}
|
|
|
|
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
|
|
struct sample_state *sample = keyboard->state;
|
|
struct wlr_keyboard_key_event *event = data;
|
|
uint32_t keycode = event->keycode + 8;
|
|
const xkb_keysym_t *syms;
|
|
int nsyms = xkb_state_key_get_syms(keyboard->wlr_keyboard->xkb_state,
|
|
keycode, &syms);
|
|
for (int i = 0; i < nsyms; i++) {
|
|
xkb_keysym_t sym = syms[i];
|
|
if (sym == XKB_KEY_Escape) {
|
|
wl_display_terminate(sample->display);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void output_remove_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
|
|
struct sample_state *sample = sample_output->state;
|
|
wlr_output_layout_remove(sample->layout, sample_output->output);
|
|
wl_list_remove(&sample_output->frame.link);
|
|
wl_list_remove(&sample_output->destroy.link);
|
|
free(sample_output);
|
|
}
|
|
|
|
static void new_output_notify(struct wl_listener *listener, void *data) {
|
|
struct wlr_output *output = data;
|
|
struct sample_state *sample = wl_container_of(listener, sample, new_output);
|
|
|
|
wlr_output_init_render(output, sample->allocator, sample->renderer);
|
|
|
|
struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
|
|
sample_output->output = output;
|
|
sample_output->state = sample;
|
|
wl_signal_add(&output->events.frame, &sample_output->frame);
|
|
sample_output->frame.notify = output_frame_notify;
|
|
wl_signal_add(&output->events.destroy, &sample_output->destroy);
|
|
sample_output->destroy.notify = output_remove_notify;
|
|
wlr_output_layout_add_auto(sample->layout, sample_output->output);
|
|
|
|
wlr_xcursor_manager_load(sample->xcursor_manager, output->scale);
|
|
wlr_xcursor_manager_set_cursor_image(sample->xcursor_manager, "left_ptr",
|
|
sample->cursor);
|
|
|
|
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
|
|
if (mode != NULL) {
|
|
wlr_output_set_mode(output, mode);
|
|
}
|
|
|
|
wlr_output_commit(output);
|
|
}
|
|
|
|
|
|
static void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
|
|
wl_list_remove(&keyboard->destroy.link);
|
|
wl_list_remove(&keyboard->key.link);
|
|
free(keyboard);
|
|
}
|
|
|
|
static void new_input_notify(struct wl_listener *listener, void *data) {
|
|
struct wlr_input_device *device = data;
|
|
struct sample_state *state = wl_container_of(listener, state, new_input);
|
|
switch (device->type) {
|
|
case WLR_INPUT_DEVICE_POINTER:
|
|
case WLR_INPUT_DEVICE_TOUCH:
|
|
case WLR_INPUT_DEVICE_TABLET_TOOL:
|
|
wlr_cursor_attach_input_device(state->cursor, device);
|
|
break;
|
|
|
|
case WLR_INPUT_DEVICE_KEYBOARD:;
|
|
struct sample_keyboard *keyboard = calloc(1, sizeof(struct sample_keyboard));
|
|
keyboard->wlr_keyboard = wlr_keyboard_from_input_device(device);
|
|
keyboard->state = state;
|
|
wl_signal_add(&device->events.destroy, &keyboard->destroy);
|
|
keyboard->destroy.notify = keyboard_destroy_notify;
|
|
wl_signal_add(&keyboard->wlr_keyboard->events.key, &keyboard->key);
|
|
keyboard->key.notify = keyboard_key_notify;
|
|
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
|
if (!context) {
|
|
wlr_log(WLR_ERROR, "Failed to create XKB context");
|
|
exit(1);
|
|
}
|
|
struct xkb_keymap *keymap = xkb_keymap_new_from_names(context, NULL,
|
|
XKB_KEYMAP_COMPILE_NO_FLAGS);
|
|
if (!keymap) {
|
|
wlr_log(WLR_ERROR, "Failed to create XKB keymap");
|
|
exit(1);
|
|
}
|
|
wlr_keyboard_set_keymap(keyboard->wlr_keyboard, keymap);
|
|
xkb_keymap_unref(keymap);
|
|
xkb_context_unref(context);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[]) {
|
|
wlr_log_init(WLR_DEBUG, NULL);
|
|
struct wl_display *display = wl_display_create();
|
|
struct sample_state state = {
|
|
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
|
|
.clear_color = { 0.25f, 0.25f, 0.25f, 1 },
|
|
.display = display
|
|
};
|
|
|
|
struct wlr_backend *wlr = wlr_backend_autocreate(display);
|
|
if (!wlr) {
|
|
exit(1);
|
|
}
|
|
|
|
state.renderer = wlr_renderer_autocreate(wlr);
|
|
state.allocator = wlr_allocator_autocreate(wlr, state.renderer);
|
|
|
|
state.cursor = wlr_cursor_create();
|
|
state.layout = wlr_output_layout_create();
|
|
wlr_cursor_attach_output_layout(state.cursor, state.layout);
|
|
//wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
|
|
wl_list_init(&state.devices);
|
|
wl_list_init(&state.touch_points);
|
|
|
|
// pointer events
|
|
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
|
|
state.cursor_motion.notify = handle_cursor_motion;
|
|
|
|
wl_signal_add(&state.cursor->events.motion_absolute,
|
|
&state.cursor_motion_absolute);
|
|
state.cursor_motion_absolute.notify = handle_cursor_motion_absolute;
|
|
|
|
wl_signal_add(&state.cursor->events.button, &state.cursor_button);
|
|
state.cursor_button.notify = handle_cursor_button;
|
|
|
|
wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
|
|
state.cursor_axis.notify = handle_cursor_axis;
|
|
|
|
// touch events
|
|
wl_signal_add(&state.cursor->events.touch_up, &state.touch_up);
|
|
state.touch_up.notify = handle_touch_up;
|
|
|
|
wl_signal_add(&state.cursor->events.touch_down, &state.touch_down);
|
|
state.touch_down.notify = handle_touch_down;
|
|
|
|
wl_signal_add(&state.cursor->events.touch_motion, &state.touch_motion);
|
|
state.touch_motion.notify = handle_touch_motion;
|
|
|
|
wl_signal_add(&state.cursor->events.touch_cancel, &state.touch_cancel);
|
|
state.touch_cancel.notify = handle_touch_cancel;
|
|
|
|
wl_signal_add(&wlr->events.new_input, &state.new_input);
|
|
state.new_input.notify = new_input_notify;
|
|
|
|
wl_signal_add(&wlr->events.new_output, &state.new_output);
|
|
state.new_output.notify = new_output_notify;
|
|
|
|
// tool events
|
|
wl_signal_add(&state.cursor->events.tablet_tool_axis,
|
|
&state.tablet_tool_axis);
|
|
state.tablet_tool_axis.notify = handle_tablet_tool_axis;
|
|
|
|
state.xcursor_manager = wlr_xcursor_manager_create("default", 24);
|
|
if (!state.xcursor_manager) {
|
|
wlr_log(WLR_ERROR, "Failed to load left_ptr cursor");
|
|
return 1;
|
|
}
|
|
|
|
wlr_xcursor_manager_set_cursor_image(state.xcursor_manager, "left_ptr",
|
|
state.cursor);
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
|
|
|
|
if (!wlr_backend_start(wlr)) {
|
|
wlr_log(WLR_ERROR, "Failed to start backend");
|
|
wlr_backend_destroy(wlr);
|
|
exit(1);
|
|
}
|
|
wl_display_run(display);
|
|
wl_display_destroy(display);
|
|
|
|
wlr_xcursor_manager_destroy(state.xcursor_manager);
|
|
wlr_cursor_destroy(state.cursor);
|
|
wlr_output_layout_destroy(state.layout);
|
|
}
|