mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
Simplify examples
This commit is contained in:
parent
6bf7e095cf
commit
0dbfe56c89
5 changed files with 351 additions and 407 deletions
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@ -6,6 +6,7 @@ include_directories(
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add_executable(simple
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simple.c
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shared.c
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)
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target_link_libraries(simple
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@ -16,6 +17,7 @@ target_link_libraries(simple
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add_executable(rotation
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rotation.c
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shared.c
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cat.c
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)
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@ -16,32 +16,17 @@
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#include <wlr/session.h>
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#include <wlr/types.h>
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#include <math.h>
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#include "shared.h"
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#include "cat.h"
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struct state {
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struct sample_state {
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struct wl_list config;
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struct xkb_keymap *keymap;
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struct xkb_state *xkb_state;
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bool exit;
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struct wl_list keyboards;
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struct wl_listener input_add;
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struct wl_listener input_remove;
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struct wl_list outputs;
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struct wl_listener output_add;
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struct wl_listener output_remove;
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// TODO: Move renderer into shared
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struct wlr_renderer *renderer;
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struct wlr_surface *cat_texture;
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};
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struct output_state {
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struct timespec last_frame;
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struct wl_list link;
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struct wlr_output *output;
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struct state *state;
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struct wl_listener frame;
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struct output_data {
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float x_offs, y_offs;
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float x_vel, y_vel;
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};
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@ -52,178 +37,95 @@ struct output_config {
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struct wl_list link;
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};
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struct keyboard_state {
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struct state *state;
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struct wlr_input_device *device;
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struct wl_listener key;
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struct wl_list link;
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};
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static void output_frame(struct wl_listener *listener, void *data) {
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struct output_state *ostate = wl_container_of(listener, ostate, frame);
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struct wlr_output *output = ostate->output;
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struct state *s = ostate->state;
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static void handle_output_frame(struct output_state *output, struct timespec *ts) {
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struct compositor_state *state = output->compositor;
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struct sample_state *sample = state->data;
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struct output_data *odata = output->data;
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struct wlr_output *wlr_output = output->output;
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int32_t width, height;
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wlr_output_effective_resolution(output, &width, &height);
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wlr_output_effective_resolution(wlr_output, &width, &height);
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wlr_renderer_begin(s->renderer, output);
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wlr_renderer_begin(sample->renderer, wlr_output);
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float matrix[16];
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for (int y = -128 + (int)ostate->y_offs; y < height; y += 128) {
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for (int x = -128 + (int)ostate->x_offs; x < width; x += 128) {
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wlr_surface_get_matrix(s->cat_texture, &matrix,
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&output->transform_matrix, x, y);
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wlr_render_with_matrix(s->renderer, s->cat_texture, &matrix);
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for (int y = -128 + (int)odata->y_offs; y < height; y += 128) {
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for (int x = -128 + (int)odata->x_offs; x < width; x += 128) {
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wlr_surface_get_matrix(sample->cat_texture, &matrix,
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&wlr_output->transform_matrix, x, y);
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wlr_render_with_matrix(sample->renderer,
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sample->cat_texture, &matrix);
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}
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}
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wlr_renderer_end(s->renderer);
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wlr_renderer_end(sample->renderer);
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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long ms = (now.tv_sec - ostate->last_frame.tv_sec) * 1000 +
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(now.tv_nsec - ostate->last_frame.tv_nsec) / 1000000;
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long ms = (ts->tv_sec - output->last_frame.tv_sec) * 1000 +
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(ts->tv_nsec - output->last_frame.tv_nsec) / 1000000;
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float seconds = ms / 1000.0f;
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ostate->x_offs += ostate->x_vel * seconds;
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ostate->y_offs += ostate->y_vel * seconds;
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if (ostate->x_offs > 128) ostate->x_offs = 0;
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if (ostate->y_offs > 128) ostate->y_offs = 0;
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ostate->last_frame = now;
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odata->x_offs += odata->x_vel * seconds;
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odata->y_offs += odata->y_vel * seconds;
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if (odata->x_offs > 128) odata->x_offs = 0;
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if (odata->y_offs > 128) odata->y_offs = 0;
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}
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static void output_add(struct wl_listener *listener, void *data) {
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struct wlr_output *output = data;
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struct state *state = wl_container_of(listener, state, output_add);
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fprintf(stderr, "Output '%s' added\n", output->name);
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wlr_output_set_mode(output, output->modes->items[0]);
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struct output_state *ostate = calloc(1, sizeof(struct output_state));
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clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
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ostate->output = output;
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ostate->state = state;
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ostate->frame.notify = output_frame;
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ostate->x_offs = ostate->y_offs = 0;
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ostate->x_vel = ostate->y_vel = 128;
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static void handle_output_add(struct output_state *output) {
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struct output_data *odata = calloc(1, sizeof(struct output_data));
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odata->x_offs = odata->y_offs = 0;
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odata->x_vel = odata->y_vel = 128;
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output->data = odata;
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struct sample_state *state = output->compositor->data;
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struct output_config *conf;
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wl_list_for_each(conf, &state->config, link) {
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if (strcmp(conf->name, output->name) == 0) {
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wlr_output_transform(ostate->output, conf->transform);
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break;
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}
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}
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wl_list_init(&ostate->frame.link);
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wl_signal_add(&output->events.frame, &ostate->frame);
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wl_list_insert(&state->outputs, &ostate->link);
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}
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static void output_remove(struct wl_listener *listener, void *data) {
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struct wlr_output *output = data;
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struct state *state = wl_container_of(listener, state, output_remove);
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struct output_state *ostate;
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wl_list_for_each(ostate, &state->outputs, link) {
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if (ostate->output == output) {
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wl_list_remove(&ostate->link);
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wl_list_remove(&ostate->frame.link);
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free(ostate);
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if (strcmp(conf->name, output->output->name) == 0) {
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wlr_output_transform(output->output, conf->transform);
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break;
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}
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}
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}
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static void update_velocities(struct state *state, float x_diff, float y_diff) {
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struct output_state *ostate;
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wl_list_for_each(ostate, &state->outputs, link) {
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ostate->x_vel += x_diff;
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ostate->y_vel += y_diff;
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static void handle_output_remove(struct output_state *output) {
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free(output->data);
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}
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static void update_velocities(struct compositor_state *state,
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float x_diff, float y_diff) {
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struct output_state *output;
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wl_list_for_each(output, &state->outputs, link) {
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struct output_data *odata = output->data;
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odata->x_vel += x_diff;
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odata->y_vel += y_diff;
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}
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}
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static void handle_keysym(struct state *state, xkb_keysym_t sym,
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enum wlr_key_state key_state) {
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char name[64];
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int l = xkb_keysym_get_name(sym, name, sizeof(name));
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if (l != -1 && l != sizeof(name)) {
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fprintf(stderr, "Key event: %s %s\n", name,
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key_state == WLR_KEY_PRESSED ? "pressed" : "released");
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}
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static void handle_keyboard_key(struct keyboard_state *kbstate,
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xkb_keysym_t sym, enum wlr_key_state key_state) {
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// NOTE: It may be better to simply refer to our key state during each frame
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// and make this change in pixels/sec^2
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// Also, key repeat
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if (key_state == WLR_KEY_PRESSED) {
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switch (sym) {
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case XKB_KEY_Escape:
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state->exit = true;
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kbstate->compositor->exit = true;
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break;
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case XKB_KEY_Left:
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update_velocities(state, -16, 0);
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update_velocities(kbstate->compositor, -16, 0);
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break;
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case XKB_KEY_Right:
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update_velocities(state, 16, 0);
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update_velocities(kbstate->compositor, 16, 0);
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break;
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case XKB_KEY_Up:
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update_velocities(state, 0, -16);
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update_velocities(kbstate->compositor, 0, -16);
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break;
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case XKB_KEY_Down:
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update_velocities(state, 0, 16);
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update_velocities(kbstate->compositor, 0, 16);
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break;
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}
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}
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}
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static void keyboard_key(struct wl_listener *listener, void *data) {
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struct wlr_keyboard_key *event = data;
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struct keyboard_state *kbstate = wl_container_of(listener, kbstate, key);
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uint32_t keycode = event->keycode + 8;
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const xkb_keysym_t *syms;
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int nsyms = xkb_state_key_get_syms(kbstate->state->xkb_state, keycode, &syms);
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for (int i = 0; i < nsyms; ++i) {
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handle_keysym(kbstate->state, syms[i], event->state);
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}
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xkb_state_update_key(kbstate->state->xkb_state, keycode,
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event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
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}
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void input_add(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct state *state = wl_container_of(listener, state, input_add);
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if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
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return;
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}
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struct keyboard_state *kbstate = calloc(sizeof(struct keyboard_state), 1);
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kbstate->device = device;
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kbstate->state = state;
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wl_list_init(&kbstate->key.link);
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kbstate->key.notify = keyboard_key;
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wl_signal_add(&device->keyboard->events.key, &kbstate->key);
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wl_list_insert(&state->keyboards, &kbstate->link);
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}
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void input_remove(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct state *state = wl_container_of(listener, state, input_add);
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if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
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return;
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}
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struct keyboard_state *kbstate = NULL, *_kbstate;
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wl_list_for_each(_kbstate, &state->keyboards, link) {
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if (_kbstate->device == device) {
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kbstate = kbstate;
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break;
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}
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}
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if (!kbstate) {
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return; // We are unfamiliar with this keyboard
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}
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wl_list_remove(&kbstate->link);
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wl_list_remove(&kbstate->key.link);
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}
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static void usage(const char *name, int ret) {
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fprintf(stderr,
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"usage: %s [-d <name> [-r <rotation> | -f]]*\n"
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@ -291,82 +193,27 @@ static void parse_args(int argc, char *argv[], struct wl_list *config) {
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}
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int main(int argc, char *argv[]) {
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struct state state = {
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.exit = false,
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.input_add = { .notify = input_add },
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.input_remove = { .notify = input_remove },
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.output_add = { .notify = output_add },
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.output_remove = { .notify = output_remove }
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};
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struct xkb_rule_names rules;
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memset(&rules, 0, sizeof(rules));
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rules.rules = getenv("XKB_DEFAULT_RULES");
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rules.model = getenv("XKB_DEFAULT_MODEL");
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rules.layout = getenv("XKB_DEFAULT_LAYOUT");
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rules.variant = getenv("XKB_DEFAULT_VARIANT");
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rules.options = getenv("XKB_DEFAULT_OPTIONS");
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struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if (!context) {
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fprintf(stderr, "Failed to create XKB context\n");
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return 1;
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}
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state.keymap =
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xkb_map_new_from_names(context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS);
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if (!state.keymap) {
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fprintf(stderr, "Failed to create XKB keymap\n");
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return 1;
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}
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xkb_context_unref(context);
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state.xkb_state = xkb_state_new(state.keymap);
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wl_list_init(&state.keyboards);
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wl_list_init(&state.input_add.link);
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wl_list_init(&state.input_remove.link);
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wl_list_init(&state.outputs);
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struct sample_state state = { 0 };
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struct compositor_state compositor;
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wl_list_init(&state.config);
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wl_list_init(&state.output_add.link);
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wl_list_init(&state.output_remove.link);
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parse_args(argc, argv, &state.config);
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struct wl_display *display = wl_display_create();
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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struct wlr_session *session = wlr_session_start(display);
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if (!session) {
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return 1;
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}
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struct wlr_backend *wlr = wlr_backend_autocreate(display, session);
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if (!wlr) {
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return 1;
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}
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wl_signal_add(&wlr->events.input_add, &state.input_add);
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wl_signal_add(&wlr->events.input_remove, &state.input_remove);
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wl_signal_add(&wlr->events.output_add, &state.output_add);
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wl_signal_add(&wlr->events.output_remove, &state.output_remove);
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if (!wlr || !wlr_backend_init(wlr)) {
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printf("Failed to initialize backend, bailing out\n");
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return 1;
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}
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compositor_init(&compositor);
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compositor.output_add_cb = handle_output_add;
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compositor.output_remove_cb = handle_output_remove;
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compositor.output_frame_cb = handle_output_frame;
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compositor.keyboard_key_cb = handle_keyboard_key;
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state.renderer = wlr_gles3_renderer_init();
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state.cat_texture = wlr_render_surface_init(state.renderer);
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wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
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cat_tex.width, cat_tex.height, cat_tex.pixel_data);
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while (!state.exit) {
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wl_event_loop_dispatch(event_loop, 0);
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}
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compositor.data = &state;
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compositor_run(&compositor);
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wlr_backend_destroy(wlr);
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wlr_session_finish(session);
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wlr_surface_destroy(state.cat_texture);
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wlr_renderer_destroy(state.renderer);
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wl_display_destroy(display);
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struct output_config *ptr, *tmp;
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wl_list_for_each_safe(ptr, tmp, &state.config, link) {
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203
example/shared.c
Normal file
203
example/shared.c
Normal file
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@ -0,0 +1,203 @@
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#define _POSIX_C_SOURCE 199309L
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <xkbcommon/xkbcommon.h>
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#include <wayland-server-protocol.h>
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#include <wlr/backend.h>
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#include <wlr/session.h>
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#include <wlr/types.h>
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#include "shared.h"
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static void keyboard_key_notify(struct wl_listener *listener, void *data) {
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struct wlr_keyboard_key *event = data;
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struct keyboard_state *kbstate = wl_container_of(listener, kbstate, key);
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uint32_t keycode = event->keycode + 8;
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enum wlr_key_state key_state = event->state;
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const xkb_keysym_t *syms;
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int nsyms = xkb_state_key_get_syms(kbstate->xkb_state, keycode, &syms);
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for (int i = 0; i < nsyms; ++i) {
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xkb_keysym_t sym = syms[i];
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char name[64];
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int l = xkb_keysym_get_name(sym, name, sizeof(name));
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if (l != -1 && l != sizeof(name)) {
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fprintf(stderr, "Key event: %s %s\n", name,
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key_state == WLR_KEY_PRESSED ? "pressed" : "released");
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}
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if (kbstate->compositor->keyboard_key_cb) {
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kbstate->compositor->keyboard_key_cb(kbstate, sym, key_state);
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}
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}
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xkb_state_update_key(kbstate->xkb_state, keycode,
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event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
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}
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static void input_add_notify(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct compositor_state *state = wl_container_of(listener, state, input_add);
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if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
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return;
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}
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struct keyboard_state *kbstate = calloc(sizeof(struct keyboard_state), 1);
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kbstate->device = device;
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kbstate->compositor = state;
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wl_list_init(&kbstate->key.link);
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kbstate->key.notify = keyboard_key_notify;
|
||||
wl_signal_add(&device->keyboard->events.key, &kbstate->key);
|
||||
wl_list_insert(&state->keyboards, &kbstate->link);
|
||||
|
||||
struct xkb_rule_names rules;
|
||||
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");
|
||||
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
||||
if (!context) {
|
||||
fprintf(stderr, "Failed to create XKB context\n");
|
||||
exit(1);
|
||||
}
|
||||
kbstate->keymap = xkb_map_new_from_names(
|
||||
context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS);
|
||||
if (!kbstate->keymap) {
|
||||
fprintf(stderr, "Failed to create XKB keymap\n");
|
||||
exit(1);
|
||||
}
|
||||
xkb_context_unref(context);
|
||||
kbstate->xkb_state = xkb_state_new(kbstate->keymap);
|
||||
if (!kbstate->xkb_state) {
|
||||
fprintf(stderr, "Failed to create XKB state\n");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
static void input_remove_notify(struct wl_listener *listener, void *data) {
|
||||
struct wlr_input_device *device = data;
|
||||
struct compositor_state *state = wl_container_of(listener, state, input_add);
|
||||
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
|
||||
return;
|
||||
}
|
||||
struct keyboard_state *kbstate = NULL, *_kbstate;
|
||||
wl_list_for_each(_kbstate, &state->keyboards, link) {
|
||||
if (_kbstate->device == device) {
|
||||
kbstate = kbstate;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!kbstate) {
|
||||
return; // We are unfamiliar with this keyboard
|
||||
}
|
||||
wl_list_remove(&kbstate->link);
|
||||
wl_list_remove(&kbstate->key.link);
|
||||
}
|
||||
|
||||
static void output_frame_notify(struct wl_listener *listener, void *data) {
|
||||
struct output_state *output = wl_container_of(listener, output, frame);
|
||||
struct compositor_state *compositor = output->compositor;
|
||||
|
||||
struct timespec now;
|
||||
clock_gettime(CLOCK_MONOTONIC, &now);
|
||||
if (compositor->output_frame_cb) {
|
||||
compositor->output_frame_cb(output, &now);
|
||||
}
|
||||
|
||||
output->last_frame = now;
|
||||
compositor->last_frame = now;
|
||||
}
|
||||
|
||||
static void output_add_notify(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output *output = data;
|
||||
struct compositor_state *state = wl_container_of(listener, state, output_add);
|
||||
fprintf(stderr, "Output '%s' added\n", output->name);
|
||||
fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model,
|
||||
output->phys_width, output->phys_height);
|
||||
wlr_output_set_mode(output, output->modes->items[0]);
|
||||
struct output_state *ostate = calloc(1, sizeof(struct output_state));
|
||||
clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
|
||||
ostate->output = output;
|
||||
ostate->compositor = state;
|
||||
ostate->frame.notify = output_frame_notify;
|
||||
wl_list_init(&ostate->frame.link);
|
||||
wl_signal_add(&output->events.frame, &ostate->frame);
|
||||
wl_list_insert(&state->outputs, &ostate->link);
|
||||
if (state->output_add_cb) {
|
||||
state->output_add_cb(ostate);
|
||||
}
|
||||
}
|
||||
|
||||
static void output_remove_notify(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output *output = data;
|
||||
struct compositor_state *state = wl_container_of(listener, state, output_remove);
|
||||
struct output_state *ostate = NULL, *_ostate;
|
||||
wl_list_for_each(_ostate, &state->outputs, link) {
|
||||
if (_ostate->output == output) {
|
||||
ostate = _ostate;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!ostate) {
|
||||
return; // We are unfamiliar with this output
|
||||
}
|
||||
if (state->output_remove_cb) {
|
||||
state->output_remove_cb(ostate);
|
||||
}
|
||||
wl_list_remove(&ostate->link);
|
||||
wl_list_remove(&ostate->frame.link);
|
||||
}
|
||||
|
||||
void compositor_init(struct compositor_state *state) {
|
||||
memset(state, 0, sizeof(struct compositor_state));
|
||||
|
||||
state->display = wl_display_create();
|
||||
state->event_loop = wl_display_get_event_loop(state->display);
|
||||
state->session = wlr_session_start(state->display);
|
||||
if (!state->session
|
||||
|| !state->display
|
||||
|| !state->event_loop) {
|
||||
exit(1);
|
||||
}
|
||||
|
||||
wl_list_init(&state->keyboards);
|
||||
wl_list_init(&state->input_add.link);
|
||||
state->input_add.notify = input_add_notify;
|
||||
wl_list_init(&state->input_remove.link);
|
||||
state->input_remove.notify = input_remove_notify;
|
||||
|
||||
wl_list_init(&state->outputs);
|
||||
wl_list_init(&state->output_add.link);
|
||||
state->output_add.notify = output_add_notify;
|
||||
wl_list_init(&state->output_remove.link);
|
||||
state->output_remove.notify = output_remove_notify;
|
||||
|
||||
struct wlr_backend *wlr = wlr_backend_autocreate(
|
||||
state->display, state->session);
|
||||
if (!wlr) {
|
||||
exit(1);
|
||||
}
|
||||
wl_signal_add(&wlr->events.input_add, &state->input_add);
|
||||
wl_signal_add(&wlr->events.input_remove, &state->input_remove);
|
||||
wl_signal_add(&wlr->events.output_add, &state->output_add);
|
||||
wl_signal_add(&wlr->events.output_remove, &state->output_remove);
|
||||
state->backend = wlr;
|
||||
|
||||
clock_gettime(CLOCK_MONOTONIC, &state->last_frame);
|
||||
}
|
||||
|
||||
void compositor_run(struct compositor_state *state) {
|
||||
if (!wlr_backend_init(state->backend)) {
|
||||
fprintf(stderr, "Failed to initialize backend\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
while (!state->exit) {
|
||||
wl_event_loop_dispatch(state->event_loop, 0);
|
||||
}
|
||||
|
||||
wlr_backend_destroy(state->backend);
|
||||
wlr_session_finish(state->session);
|
||||
wl_display_destroy(state->display);
|
||||
}
|
61
example/shared.h
Normal file
61
example/shared.h
Normal file
|
@ -0,0 +1,61 @@
|
|||
#ifndef _EXAMPLE_SHARED_H
|
||||
#define _EXAMPLE_SHARED_H
|
||||
#define _POSIX_C_SOURCE 199309L
|
||||
#include <time.h>
|
||||
#include <stdbool.h>
|
||||
#include <xkbcommon/xkbcommon.h>
|
||||
#include <wayland-server-protocol.h>
|
||||
#include <wlr/backend.h>
|
||||
#include <wlr/session.h>
|
||||
#include <wlr/types.h>
|
||||
|
||||
struct output_state {
|
||||
struct compositor_state *compositor;
|
||||
struct wlr_output *output;
|
||||
struct wl_listener frame;
|
||||
struct timespec last_frame;
|
||||
struct wl_list link;
|
||||
void *data;
|
||||
};
|
||||
|
||||
struct keyboard_state {
|
||||
struct compositor_state *compositor;
|
||||
struct wlr_input_device *device;
|
||||
struct wl_listener key;
|
||||
struct wl_list link;
|
||||
struct xkb_keymap *keymap;
|
||||
struct xkb_state *xkb_state;
|
||||
void *data;
|
||||
};
|
||||
|
||||
struct compositor_state {
|
||||
void (*output_add_cb)(struct output_state *s);
|
||||
void (*keyboard_add_cb)(struct keyboard_state *s);
|
||||
void (*output_frame_cb)(struct output_state *s, struct timespec *ts);
|
||||
void (*output_remove_cb)(struct output_state *s);
|
||||
void (*keyboard_remove_cb)(struct keyboard_state *s);
|
||||
void (*keyboard_key_cb)(struct keyboard_state *s, xkb_keysym_t sym,
|
||||
enum wlr_key_state key_state);
|
||||
|
||||
struct wl_display *display;
|
||||
struct wl_event_loop *event_loop;
|
||||
struct wlr_backend *backend;
|
||||
struct wlr_session *session;
|
||||
|
||||
struct wl_list keyboards;
|
||||
struct wl_listener input_add;
|
||||
struct wl_listener input_remove;
|
||||
|
||||
struct timespec last_frame;
|
||||
struct wl_listener output_add;
|
||||
struct wl_listener output_remove;
|
||||
struct wl_list outputs;
|
||||
|
||||
bool exit;
|
||||
void *data;
|
||||
};
|
||||
|
||||
void compositor_init(struct compositor_state *state);
|
||||
void compositor_run(struct compositor_state *state);
|
||||
|
||||
#endif
|
219
example/simple.c
219
example/simple.c
|
@ -10,220 +10,51 @@
|
|||
#include <wlr/session.h>
|
||||
#include <wlr/types.h>
|
||||
#include <xkbcommon/xkbcommon.h>
|
||||
#include "shared.h"
|
||||
|
||||
struct state {
|
||||
struct sample_state {
|
||||
float color[3];
|
||||
int dec;
|
||||
bool exit;
|
||||
struct timespec last_frame;
|
||||
struct xkb_keymap *keymap;
|
||||
struct xkb_state *xkb_state;
|
||||
|
||||
struct wl_list keyboards;
|
||||
struct wl_listener input_add;
|
||||
struct wl_listener input_remove;
|
||||
|
||||
struct wl_listener output_add;
|
||||
struct wl_listener output_remove;
|
||||
struct wl_list outputs;
|
||||
};
|
||||
|
||||
struct output_state {
|
||||
struct state *state;
|
||||
struct wlr_output *output;
|
||||
struct wl_listener frame;
|
||||
struct wl_list link;
|
||||
};
|
||||
void handle_output_frame(struct output_state *output, struct timespec *ts) {
|
||||
struct compositor_state *state = output->compositor;
|
||||
struct sample_state *sample = state->data;
|
||||
|
||||
struct keyboard_state {
|
||||
struct state *state;
|
||||
struct wlr_input_device *device;
|
||||
struct wl_listener key;
|
||||
struct wl_list link;
|
||||
};
|
||||
long ms = (ts->tv_sec - state->last_frame.tv_sec) * 1000 +
|
||||
(ts->tv_nsec - state->last_frame.tv_nsec) / 1000000;
|
||||
int inc = (sample->dec + 1) % 3;
|
||||
|
||||
void output_frame(struct wl_listener *listener, void *data) {
|
||||
struct output_state *ostate = wl_container_of(listener, ostate, frame);
|
||||
struct state *s = ostate->state;
|
||||
sample->color[inc] += ms / 2000.0f;
|
||||
sample->color[sample->dec] -= ms / 2000.0f;
|
||||
|
||||
struct timespec now;
|
||||
clock_gettime(CLOCK_MONOTONIC, &now);
|
||||
|
||||
long ms = (now.tv_sec - s->last_frame.tv_sec) * 1000 +
|
||||
(now.tv_nsec - s->last_frame.tv_nsec) / 1000000;
|
||||
int inc = (s->dec + 1) % 3;
|
||||
|
||||
s->color[inc] += ms / 2000.0f;
|
||||
s->color[s->dec] -= ms / 2000.0f;
|
||||
|
||||
if (s->color[s->dec] < 0.0f) {
|
||||
s->color[inc] = 1.0f;
|
||||
s->color[s->dec] = 0.0f;
|
||||
s->dec = inc;
|
||||
if (sample->color[sample->dec] < 0.0f) {
|
||||
sample->color[inc] = 1.0f;
|
||||
sample->color[sample->dec] = 0.0f;
|
||||
sample->dec = inc;
|
||||
}
|
||||
|
||||
s->last_frame = now;
|
||||
|
||||
glClearColor(s->color[0], s->color[1], s->color[2], 1.0);
|
||||
glClearColor(sample->color[0], sample->color[1], sample->color[2], 1.0);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
}
|
||||
|
||||
void output_add(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output *output = data;
|
||||
struct state *state = wl_container_of(listener, state, output_add);
|
||||
fprintf(stderr, "Output '%s' added\n", output->name);
|
||||
fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model,
|
||||
output->phys_width, output->phys_height);
|
||||
wlr_output_set_mode(output, output->modes->items[0]);
|
||||
struct output_state *ostate = calloc(1, sizeof(struct output_state));
|
||||
ostate->output = output;
|
||||
ostate->state = state;
|
||||
ostate->frame.notify = output_frame;
|
||||
wl_list_init(&ostate->frame.link);
|
||||
wl_signal_add(&output->events.frame, &ostate->frame);
|
||||
wl_list_insert(&state->outputs, &ostate->link);
|
||||
}
|
||||
|
||||
void output_remove(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output *output = data;
|
||||
struct state *state = wl_container_of(listener, state, output_remove);
|
||||
struct output_state *ostate = NULL, *_ostate;
|
||||
wl_list_for_each(_ostate, &state->outputs, link) {
|
||||
if (_ostate->output == output) {
|
||||
ostate = _ostate;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!ostate) {
|
||||
return; // We are unfamiliar with this output
|
||||
}
|
||||
wl_list_remove(&ostate->link);
|
||||
wl_list_remove(&ostate->frame.link);
|
||||
}
|
||||
|
||||
static void handle_keysym(struct state *state, xkb_keysym_t sym,
|
||||
enum wlr_key_state key_state) {
|
||||
char name[64];
|
||||
int l = xkb_keysym_get_name(sym, name, sizeof(name));
|
||||
if (l != -1 && l != sizeof(name)) {
|
||||
fprintf(stderr, "Key event: %s %s\n", name,
|
||||
key_state == WLR_KEY_PRESSED ? "pressed" : "released");
|
||||
}
|
||||
static void handle_keyboard_key(struct keyboard_state *kbstate,
|
||||
xkb_keysym_t sym, enum wlr_key_state key_state) {
|
||||
if (sym == XKB_KEY_Escape) {
|
||||
state->exit = true;
|
||||
kbstate->compositor->exit = true;
|
||||
}
|
||||
}
|
||||
|
||||
static void keyboard_key(struct wl_listener *listener, void *data) {
|
||||
struct wlr_keyboard_key *event = data;
|
||||
struct keyboard_state *kbstate = wl_container_of(listener, kbstate, key);
|
||||
uint32_t keycode = event->keycode + 8;
|
||||
const xkb_keysym_t *syms;
|
||||
int nsyms = xkb_state_key_get_syms(kbstate->state->xkb_state, keycode, &syms);
|
||||
for (int i = 0; i < nsyms; ++i) {
|
||||
handle_keysym(kbstate->state, syms[i], event->state);
|
||||
}
|
||||
xkb_state_update_key(kbstate->state->xkb_state, keycode,
|
||||
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
|
||||
}
|
||||
|
||||
void input_add(struct wl_listener *listener, void *data) {
|
||||
struct wlr_input_device *device = data;
|
||||
struct state *state = wl_container_of(listener, state, input_add);
|
||||
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
|
||||
return;
|
||||
}
|
||||
struct keyboard_state *kbstate = calloc(sizeof(struct keyboard_state), 1);
|
||||
kbstate->device = device;
|
||||
kbstate->state = state;
|
||||
wl_list_init(&kbstate->key.link);
|
||||
kbstate->key.notify = keyboard_key;
|
||||
wl_signal_add(&device->keyboard->events.key, &kbstate->key);
|
||||
wl_list_insert(&state->keyboards, &kbstate->link);
|
||||
}
|
||||
|
||||
void input_remove(struct wl_listener *listener, void *data) {
|
||||
struct wlr_input_device *device = data;
|
||||
struct state *state = wl_container_of(listener, state, input_add);
|
||||
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
|
||||
return;
|
||||
}
|
||||
struct keyboard_state *kbstate = NULL, *_kbstate;
|
||||
wl_list_for_each(_kbstate, &state->keyboards, link) {
|
||||
if (_kbstate->device == device) {
|
||||
kbstate = kbstate;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!kbstate) {
|
||||
return; // We are unfamiliar with this keyboard
|
||||
}
|
||||
wl_list_remove(&kbstate->link);
|
||||
wl_list_remove(&kbstate->key.link);
|
||||
}
|
||||
|
||||
int main() {
|
||||
struct state state = {
|
||||
struct sample_state state = {
|
||||
.color = { 1.0, 0.0, 0.0 },
|
||||
.dec = 0,
|
||||
.exit = false,
|
||||
.input_add = { .notify = input_add },
|
||||
.input_remove = { .notify = input_remove },
|
||||
.output_add = { .notify = output_add },
|
||||
.output_remove = { .notify = output_remove },
|
||||
};
|
||||
struct compositor_state compositor;
|
||||
|
||||
struct xkb_rule_names rules;
|
||||
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");
|
||||
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
||||
if (!context) {
|
||||
fprintf(stderr, "Failed to create XKB context\n");
|
||||
return 1;
|
||||
}
|
||||
state.keymap =
|
||||
xkb_map_new_from_names(context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS);
|
||||
if (!state.keymap) {
|
||||
fprintf(stderr, "Failed to create XKB keymap\n");
|
||||
return 1;
|
||||
}
|
||||
xkb_context_unref(context);
|
||||
state.xkb_state = xkb_state_new(state.keymap);
|
||||
|
||||
wl_list_init(&state.keyboards);
|
||||
wl_list_init(&state.input_add.link);
|
||||
wl_list_init(&state.input_remove.link);
|
||||
|
||||
wl_list_init(&state.outputs);
|
||||
wl_list_init(&state.output_remove.link);
|
||||
wl_list_init(&state.output_remove.link);
|
||||
clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
|
||||
|
||||
struct wl_display *display = wl_display_create();
|
||||
struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
|
||||
|
||||
struct wlr_session *session = wlr_session_start(display);
|
||||
if (!session) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
struct wlr_backend *wlr = wlr_backend_autocreate(display, session);
|
||||
wl_signal_add(&wlr->events.input_add, &state.input_add);
|
||||
wl_signal_add(&wlr->events.input_remove, &state.input_remove);
|
||||
wl_signal_add(&wlr->events.output_add, &state.output_add);
|
||||
wl_signal_add(&wlr->events.output_remove, &state.output_remove);
|
||||
if (!wlr || !wlr_backend_init(wlr)) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
while (!state.exit) {
|
||||
wl_event_loop_dispatch(event_loop, 0);
|
||||
}
|
||||
|
||||
wlr_backend_destroy(wlr);
|
||||
wl_display_destroy(display);
|
||||
compositor_init(&compositor);
|
||||
compositor.output_frame_cb = handle_output_frame;
|
||||
compositor.keyboard_key_cb = handle_keyboard_key;
|
||||
compositor.data = &state;
|
||||
compositor_run(&compositor);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue