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Multi-pointer ported over

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Timidger 2018-04-29 17:18:56 -04:00
parent b510c0f6c2
commit b3ca73c0ac
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1 changed files with 227 additions and 109 deletions
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examples/multi-pointer.c
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@ -1,4 +1,4 @@
#define _POSIX_C_SOURCE 199309L #define _POSIX_C_SOURCE 200112L
#define _XOPEN_SOURCE 500 #define _XOPEN_SOURCE 500
#include <assert.h> #include <assert.h>
#include <GLES2/gl2.h> #include <GLES2/gl2.h>
@ -22,13 +22,23 @@
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include <wlr/xcursor.h> #include <wlr/xcursor.h>
#include <xkbcommon/xkbcommon.h> #include <xkbcommon/xkbcommon.h>
#include "support/config.h"
#include "support/shared.h"
struct sample_state; struct sample_state {
struct wl_display *display;
struct wlr_xcursor *xcursor;
float default_color[4];
float clear_color[4];
struct wlr_output_layout *layout;
struct wl_list cursors; // sample_cursor::link
struct wl_list pointers; // sample_pointer::link
struct wl_list outputs; // sample_output::link
struct timespec last_frame;
struct wl_listener new_output;
struct wl_listener new_input;
};
struct sample_cursor { struct sample_cursor {
struct sample_state *state; struct sample_state *sample;
struct wlr_input_device *device; struct wlr_input_device *device;
struct wlr_cursor *cursor; struct wlr_cursor *cursor;
struct wl_list link; struct wl_list link;
@ -37,22 +47,52 @@ struct sample_cursor {
struct wl_listener cursor_motion_absolute; struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button; struct wl_listener cursor_button;
struct wl_listener cursor_axis; struct wl_listener cursor_axis;
struct wl_listener destroy;
}; };
struct sample_state { struct sample_pointer {
struct compositor_state *compositor; struct wlr_input_device *device;
struct example_config *config; struct wl_list link;
struct wlr_xcursor *xcursor;
float default_color[4];
float clear_color[4];
struct wlr_output_layout *layout;
struct wl_list cursors; // sample_cursor::link
}; };
static void handle_output_frame(struct output_state *output, struct sample_output {
struct timespec *ts) { struct sample_state *sample;
struct compositor_state *state = output->compositor; struct wlr_output *output;
struct sample_state *sample = state->data; struct wl_listener frame;
struct wl_listener destroy;
struct wl_list link;
};
struct sample_keyboard {
struct sample_state *sample;
struct wlr_input_device *device;
struct wl_listener key;
struct wl_listener destroy;
};
void configure_cursor(struct wlr_cursor *cursor, struct wlr_input_device *device,
struct sample_state *sample) {
struct sample_output *output;
wlr_log(L_ERROR, "Configuring cursor %p for device %p", cursor, device);
// reset mappings
wlr_cursor_map_to_output(cursor, NULL);
wlr_cursor_detach_input_device(cursor, device);
wlr_cursor_map_input_to_output(cursor, device, NULL);
wlr_cursor_attach_input_device(cursor, device);
// configure device to output mappings
wl_list_for_each(output, &sample->outputs, link) {
wlr_cursor_map_to_output(cursor, output->output);
wlr_cursor_map_input_to_output(cursor, device, output->output);
}
}
void output_frame_notify(struct wl_listener *listener, void *data) {
struct sample_output *output = wl_container_of(listener, output, frame);
struct sample_state *sample = output->sample;
struct wlr_output *wlr_output = output->output; struct wlr_output *wlr_output = output->output;
wlr_output_make_current(wlr_output, NULL); wlr_output_make_current(wlr_output, NULL);
@ -64,46 +104,6 @@ static void handle_output_frame(struct output_state *output,
wlr_output_swap_buffers(wlr_output, NULL, NULL); wlr_output_swap_buffers(wlr_output, NULL, NULL);
} }
static void handle_output_add(struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
struct output_config *o_config =
example_config_get_output(sample->config, ostate->output);
if (o_config) {
wlr_output_set_transform(ostate->output, o_config->transform);
wlr_output_layout_add(sample->layout, ostate->output, o_config->x,
o_config->y);
} else {
wlr_output_layout_add_auto(sample->layout, ostate->output);
}
struct sample_cursor *cursor;
wl_list_for_each(cursor, &sample->cursors, link) {
example_config_configure_cursor(sample->config, cursor->cursor,
sample->compositor);
struct wlr_xcursor_image *image = sample->xcursor->images[0];
wlr_cursor_set_image(cursor->cursor, image->buffer, image->width,
image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
wlr_cursor_warp(cursor->cursor, NULL, cursor->cursor->x,
cursor->cursor->y);
}
}
static void handle_output_remove(struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
wlr_output_layout_remove(sample->layout, ostate->output);
struct sample_cursor *cursor;
wl_list_for_each(cursor, &sample->cursors, link) {
example_config_configure_cursor(sample->config, cursor->cursor,
sample->compositor);
}
}
static void handle_cursor_motion(struct wl_listener *listener, void *data) { static void handle_cursor_motion(struct wl_listener *listener, void *data) {
struct sample_cursor *cursor = struct sample_cursor *cursor =
wl_container_of(listener, cursor, cursor_motion); wl_container_of(listener, cursor, cursor_motion);
@ -120,39 +120,6 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener,
wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y); wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y);
} }
static void handle_input_add(struct compositor_state *state,
struct wlr_input_device *device) {
struct sample_state *sample = state->data;
if (device->type != WLR_INPUT_DEVICE_POINTER) {
return;
}
struct sample_cursor *cursor = calloc(1, sizeof(struct sample_cursor));
cursor->state = sample;
cursor->device = device;
cursor->cursor = wlr_cursor_create();
wlr_cursor_attach_output_layout(cursor->cursor, sample->layout);
wlr_cursor_map_to_region(cursor->cursor, sample->config->cursor.mapped_box);
wl_signal_add(&cursor->cursor->events.motion, &cursor->cursor_motion);
cursor->cursor_motion.notify = handle_cursor_motion;
wl_signal_add(&cursor->cursor->events.motion_absolute,
&cursor->cursor_motion_absolute);
cursor->cursor_motion_absolute.notify = handle_cursor_motion_absolute;
wlr_cursor_attach_input_device(cursor->cursor, device);
example_config_configure_cursor(sample->config, cursor->cursor,
sample->compositor);
struct wlr_xcursor_image *image = sample->xcursor->images[0];
wlr_cursor_set_image(cursor->cursor, image->buffer, image->width * 4,
image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
wl_list_insert(&sample->cursors, &cursor->link);
}
static void cursor_destroy(struct sample_cursor *cursor) { static void cursor_destroy(struct sample_cursor *cursor) {
wl_list_remove(&cursor->link); wl_list_remove(&cursor->link);
wl_list_remove(&cursor->cursor_motion.link); wl_list_remove(&cursor->cursor_motion.link);
@ -161,9 +128,10 @@ static void cursor_destroy(struct sample_cursor *cursor) {
free(cursor); free(cursor);
} }
static void handle_input_remove(struct compositor_state *state, void input_remove_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device) { struct wlr_input_device *device = data;
struct sample_state *sample = state->data; struct sample_cursor *sample_cursor = wl_container_of(listener, sample_cursor, destroy);
struct sample_state *sample = sample_cursor->sample;
struct sample_cursor *cursor; struct sample_cursor *cursor;
wl_list_for_each(cursor, &sample->cursors, link) { wl_list_for_each(cursor, &sample->cursors, link) {
if (cursor->device == device) { if (cursor->device == device) {
@ -171,29 +139,181 @@ static void handle_input_remove(struct compositor_state *state,
break; break;
} }
} }
struct sample_pointer *pointer;
wl_list_for_each(pointer, &sample->pointers, link) {
if (pointer->device == device) {
free(pointer);
break;
}
}
}
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->sample;
wl_list_remove(&sample_output->frame.link);
wl_list_remove(&sample_output->destroy.link);
wl_list_remove(&sample_output->link);
free(sample_output);
struct sample_cursor *cursor;
wl_list_for_each(cursor, &sample->cursors, link) {
configure_cursor(cursor->cursor, cursor->device, sample);
}
}
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);
struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
if (wl_list_length(&output->modes) > 0) {
struct wlr_output_mode *mode = wl_container_of((&output->modes)->prev, mode, link);
wlr_output_set_mode(output, mode);
}
sample_output->output = output;
sample_output->sample = 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, output);
struct sample_cursor *cursor;
wl_list_for_each(cursor, &sample->cursors, link) {
configure_cursor(cursor->cursor, cursor->device, sample);
struct wlr_xcursor_image *image = sample->xcursor->images[0];
wlr_cursor_set_image(cursor->cursor, image->buffer, image->width * 4,
image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
wlr_cursor_warp(cursor->cursor, NULL, cursor->cursor->x,
cursor->cursor->y);
}
wl_list_insert(&sample->outputs, &sample_output->link);
}
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->sample;
struct wlr_event_keyboard_key *event = data;
uint32_t keycode = event->keycode + 8;
const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms(keyboard->device->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);
}
}
}
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);
}
void new_input_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct sample_state *sample = wl_container_of(listener, sample, new_input);
struct sample_keyboard *keyboard;
struct xkb_rule_names rules;
struct xkb_context *context;
struct sample_cursor *cursor = 0;
struct sample_pointer *pointer = 0;
struct wlr_xcursor_image *image;
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard = calloc(1, sizeof(struct sample_keyboard));
keyboard->device = device;
keyboard->sample = sample;
wl_signal_add(&device->events.destroy, &keyboard->destroy);
keyboard->destroy.notify = keyboard_destroy_notify;
wl_signal_add(&device->keyboard->events.key, &keyboard->key);
keyboard->key.notify = keyboard_key_notify;
memset(&rules, 0, sizeof(rules));
rules.rules = getenv("XKB_DEFAULT_RULES");
rules.model = getenv("XKB_DEFAULT_MODEL");
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
rules.variant = getenv("XKB_DEFAULT_VARIANT");
rules.options = getenv("XKB_DEFAULT_OPTIONS");
context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!context) {
wlr_log(L_ERROR, "Failed to create XKB context");
exit(1);
}
wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
xkb_context_unref(context);
break;
case WLR_INPUT_DEVICE_POINTER:
cursor = calloc(1, sizeof(struct sample_cursor));
pointer = calloc(1, sizeof(struct sample_pointer));
pointer->device = device;
cursor->sample = sample;
cursor->device = device;
cursor->cursor = wlr_cursor_create();
wlr_cursor_attach_output_layout(cursor->cursor, sample->layout);
wl_signal_add(&cursor->cursor->events.motion, &cursor->cursor_motion);
cursor->cursor_motion.notify = handle_cursor_motion;
wl_signal_add(&cursor->cursor->events.motion_absolute,
&cursor->cursor_motion_absolute);
cursor->cursor_motion_absolute.notify = handle_cursor_motion_absolute;
wlr_cursor_attach_input_device(cursor->cursor, device);
configure_cursor(cursor->cursor, device, sample);
image = sample->xcursor->images[0];
wlr_cursor_set_image(cursor->cursor, image->buffer, image->width * 4,
image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
wl_list_insert(&sample->cursors, &cursor->link);
wl_list_insert(&sample->pointers, &pointer->link);
break;
default:
break;
}
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
wlr_log_init(L_DEBUG, NULL); wlr_log_init(L_DEBUG, NULL);
struct wl_display *display = wl_display_create();
struct sample_state state = { struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 }, .default_color = { 0.25f, 0.25f, 0.25f, 1 },
.clear_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);
}
wl_list_init(&state.cursors); wl_list_init(&state.cursors);
wl_list_init(&state.pointers);
wl_list_init(&state.outputs);
state.config = parse_args(argc, argv);
state.layout = wlr_output_layout_create(); state.layout = wlr_output_layout_create();
struct compositor_state compositor = { 0 }; wl_signal_add(&wlr->events.new_output, &state.new_output);
compositor.data = &state; state.new_output.notify = new_output_notify;
compositor.output_add_cb = handle_output_add; wl_signal_add(&wlr->events.new_input, &state.new_input);
compositor.output_remove_cb = handle_output_remove; state.new_input.notify = new_input_notify;
compositor.output_frame_cb = handle_output_frame;
compositor.input_add_cb = handle_input_add;
compositor.input_remove_cb = handle_input_remove;
state.compositor = &compositor; clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
const char *socket = wl_display_add_socket_auto(display);
if (!socket) {
wlr_log_errno(L_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(wlr);
exit(1);
}
setenv("_WAYLAND_DISPLAY", socket, true);
struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16); struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16);
if (!theme) { if (!theme) {
@ -206,14 +326,13 @@ int main(int argc, char *argv[]) {
return 1; return 1;
} }
compositor_init(&compositor); if (!wlr_backend_start(wlr)) {
if (!wlr_backend_start(compositor.backend)) {
wlr_log(L_ERROR, "Failed to start backend"); wlr_log(L_ERROR, "Failed to start backend");
wlr_backend_destroy(compositor.backend); wlr_backend_destroy(wlr);
exit(1); exit(1);
} }
wl_display_run(compositor.display); wl_display_run(display);
compositor_fini(&compositor); wl_display_destroy(display);
struct sample_cursor *cursor, *tmp_cursor; struct sample_cursor *cursor, *tmp_cursor;
wl_list_for_each_safe(cursor, tmp_cursor, &state.cursors, link) { wl_list_for_each_safe(cursor, tmp_cursor, &state.cursors, link) {
@ -221,6 +340,5 @@ int main(int argc, char *argv[]) {
} }
wlr_xcursor_theme_destroy(theme); wlr_xcursor_theme_destroy(theme);
example_config_destroy(state.config);
wlr_output_layout_destroy(state.layout); wlr_output_layout_destroy(state.layout);
} }