mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-09 15:05:58 +01:00
645 lines
18 KiB
C
645 lines
18 KiB
C
#define _POSIX_C_SOURCE 199309L
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#ifdef __linux__
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#include <linux/input-event-codes.h>
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#elif __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#endif
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#include <assert.h>
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#include <GLES2/gl2.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wayland-cursor.h>
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#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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#include <wlr/util/log.h>
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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#include "xdg-shell-client-protocol.h"
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static struct wl_display *display;
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static struct wl_compositor *compositor;
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static struct wl_seat *seat;
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static struct wl_shm *shm;
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static struct wl_pointer *pointer;
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static struct wl_keyboard *keyboard;
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static struct xdg_wm_base *xdg_wm_base;
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static struct zwlr_layer_shell_v1 *layer_shell;
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struct zwlr_layer_surface_v1 *layer_surface;
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static struct wl_output *wl_output;
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struct wl_surface *wl_surface;
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struct wlr_egl egl;
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struct wl_egl_window *egl_window;
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struct wlr_egl_surface *egl_surface;
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struct wl_callback *frame_callback;
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static uint32_t output = UINT32_MAX;
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struct xdg_popup *popup;
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struct wl_surface *popup_wl_surface;
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struct wl_egl_window *popup_egl_window;
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static uint32_t popup_width = 256, popup_height = 256;
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struct wlr_egl_surface *popup_egl_surface;
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struct wl_callback *popup_frame_callback;
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float popup_alpha = 1.0, popup_red = 0.5f;
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static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND;
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static uint32_t anchor = 0;
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static uint32_t width = 256, height = 256;
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static int32_t margin_top = 0;
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static double alpha = 1.0;
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static bool run_display = true;
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static bool animate = false;
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static bool keyboard_interactive = false;
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static double frame = 0;
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static int cur_x = -1, cur_y = -1;
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static int buttons = 0;
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struct wl_cursor_image *cursor_image;
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struct wl_cursor_image *popup_cursor_image;
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struct wl_surface *cursor_surface, *input_surface;
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static struct {
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struct timespec last_frame;
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float color[3];
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int dec;
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} demo;
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static void draw(void);
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static void draw_popup(void);
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static void surface_frame_callback(
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void *data, struct wl_callback *cb, uint32_t time) {
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wl_callback_destroy(cb);
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frame_callback = NULL;
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draw();
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}
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static struct wl_callback_listener frame_listener = {
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.done = surface_frame_callback
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};
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static void popup_surface_frame_callback(
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void *data, struct wl_callback *cb, uint32_t time) {
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wl_callback_destroy(cb);
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popup_frame_callback = NULL;
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draw_popup();
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}
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static struct wl_callback_listener popup_frame_listener = {
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.done = popup_surface_frame_callback
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};
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static void draw(void) {
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eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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long ms = (ts.tv_sec - demo.last_frame.tv_sec) * 1000 +
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(ts.tv_nsec - demo.last_frame.tv_nsec) / 1000000;
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int inc = (demo.dec + 1) % 3;
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if (!buttons) {
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demo.color[inc] += ms / 2000.0f;
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demo.color[demo.dec] -= ms / 2000.0f;
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if (demo.color[demo.dec] < 0.0f) {
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demo.color[inc] = 1.0f;
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demo.color[demo.dec] = 0.0f;
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demo.dec = inc;
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}
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}
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if (animate) {
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frame += ms / 50.0;
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int32_t old_top = margin_top;
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margin_top = -(20 - ((int)frame % 20));
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if (old_top != margin_top) {
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zwlr_layer_surface_v1_set_margin(layer_surface,
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margin_top, 0, 0, 0);
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wl_surface_commit(wl_surface);
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}
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}
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glViewport(0, 0, width, height);
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if (buttons) {
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glClearColor(1, 1, 1, alpha);
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} else {
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glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha);
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}
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glClear(GL_COLOR_BUFFER_BIT);
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if (cur_x != -1 && cur_y != -1) {
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glEnable(GL_SCISSOR_TEST);
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glScissor(cur_x, height - cur_y, 5, 5);
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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glDisable(GL_SCISSOR_TEST);
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}
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frame_callback = wl_surface_frame(wl_surface);
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wl_callback_add_listener(frame_callback, &frame_listener, NULL);
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eglSwapBuffers(egl.display, egl_surface);
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demo.last_frame = ts;
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}
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static void draw_popup(void) {
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static float alpha_mod = -0.01;
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eglMakeCurrent(egl.display, popup_egl_surface, popup_egl_surface, egl.context);
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glViewport(0, 0, popup_width, popup_height);
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glClearColor(popup_red, 0.5f, 0.5f, popup_alpha);
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popup_alpha += alpha_mod;
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if (popup_alpha < 0.01 || popup_alpha >= 1.0f) {
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alpha_mod *= -1.0;
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}
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glClear(GL_COLOR_BUFFER_BIT);
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popup_frame_callback = wl_surface_frame(popup_wl_surface);
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assert(popup_frame_callback);
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wl_callback_add_listener(popup_frame_callback, &popup_frame_listener, NULL);
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eglSwapBuffers(egl.display, popup_egl_surface);
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wl_surface_commit(popup_wl_surface);
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}
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static void xdg_surface_handle_configure(void *data,
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struct xdg_surface *xdg_surface, uint32_t serial) {
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xdg_surface_ack_configure(xdg_surface, serial);
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}
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static const struct xdg_surface_listener xdg_surface_listener = {
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.configure = xdg_surface_handle_configure,
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};
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static void xdg_popup_configure(void *data, struct xdg_popup *xdg_popup,
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int32_t x, int32_t y, int32_t width, int32_t height) {
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wlr_log(WLR_DEBUG, "Popup configured %dx%d@%d,%d",
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width, height, x, y);
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popup_width = width;
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popup_height = height;
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if (popup_egl_window) {
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wl_egl_window_resize(popup_egl_window, width, height, 0, 0);
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}
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}
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static void popup_destroy(void) {
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wlr_egl_destroy_surface(&egl, popup_egl_surface);
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wl_egl_window_destroy(popup_egl_window);
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xdg_popup_destroy(popup);
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wl_surface_destroy(popup_wl_surface);
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popup_wl_surface = NULL;
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popup = NULL;
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popup_egl_window = NULL;
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}
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static void xdg_popup_done(void *data, struct xdg_popup *xdg_popup) {
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wlr_log(WLR_DEBUG, "Popup done");
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popup_destroy();
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}
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static const struct xdg_popup_listener xdg_popup_listener = {
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.configure = xdg_popup_configure,
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.popup_done = xdg_popup_done,
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};
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static void create_popup(uint32_t serial) {
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if (popup) {
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return;
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}
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struct wl_surface *surface = wl_compositor_create_surface(compositor);
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assert(xdg_wm_base && surface);
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struct xdg_surface *xdg_surface =
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xdg_wm_base_get_xdg_surface(xdg_wm_base, surface);
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struct xdg_positioner *xdg_positioner =
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xdg_wm_base_create_positioner(xdg_wm_base);
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assert(xdg_surface && xdg_positioner);
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xdg_positioner_set_size(xdg_positioner, popup_width, popup_height);
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xdg_positioner_set_offset(xdg_positioner, 0, 0);
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xdg_positioner_set_anchor_rect(xdg_positioner, cur_x, cur_y, 1, 1);
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xdg_positioner_set_anchor(xdg_positioner, XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT);
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popup = xdg_surface_get_popup(xdg_surface, NULL, xdg_positioner);
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xdg_popup_grab(popup, seat, serial);
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assert(popup);
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zwlr_layer_surface_v1_get_popup(layer_surface, popup);
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xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
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xdg_popup_add_listener(popup, &xdg_popup_listener, NULL);
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wl_surface_commit(surface);
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wl_display_roundtrip(display);
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xdg_positioner_destroy(xdg_positioner);
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popup_wl_surface = surface;
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popup_egl_window = wl_egl_window_create(surface, popup_width, popup_height);
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assert(popup_egl_window);
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popup_egl_surface = wlr_egl_create_surface(&egl, popup_egl_window);
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assert(popup_egl_surface);
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draw_popup();
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t w, uint32_t h) {
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width = w;
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height = h;
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if (egl_window) {
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wl_egl_window_resize(egl_window, width, height, 0, 0);
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}
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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static void layer_surface_closed(void *data,
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struct zwlr_layer_surface_v1 *surface) {
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wlr_egl_destroy_surface(&egl, egl_surface);
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wl_egl_window_destroy(egl_window);
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zwlr_layer_surface_v1_destroy(surface);
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wl_surface_destroy(wl_surface);
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run_display = false;
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}
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struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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.closed = layer_surface_closed,
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};
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static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface,
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wl_fixed_t surface_x, wl_fixed_t surface_y) {
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struct wl_cursor_image *image;
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if (surface == popup_wl_surface) {
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image = popup_cursor_image;
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} else {
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image = cursor_image;
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}
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wl_surface_attach(cursor_surface,
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wl_cursor_image_get_buffer(image), 0, 0);
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wl_surface_damage(cursor_surface, 1, 0,
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image->width, image->height);
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wl_surface_commit(cursor_surface);
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wl_pointer_set_cursor(wl_pointer, serial, cursor_surface,
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image->hotspot_x, image->hotspot_y);
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input_surface = surface;
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}
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static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface) {
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cur_x = cur_y = -1;
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buttons = 0;
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}
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static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
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cur_x = wl_fixed_to_int(surface_x);
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cur_y = wl_fixed_to_int(surface_y);
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}
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static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
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if (input_surface == wl_surface) {
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if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
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if (button == BTN_RIGHT) {
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if (popup_wl_surface) {
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popup_destroy();
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} else {
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create_popup(serial);
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}
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} else {
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buttons++;
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}
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} else {
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if (button != BTN_RIGHT) {
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buttons--;
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}
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}
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} else if (input_surface == popup_wl_surface) {
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if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
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if (button == BTN_LEFT && popup_red <= 0.9f) {
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popup_red += 0.1;
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} else if (button == BTN_RIGHT && popup_red >= 0.1f) {
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popup_red -= 0.1;
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}
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}
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} else {
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assert(false && "Unknown surface");
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}
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}
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static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis, wl_fixed_t value) {
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// Who cares
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}
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static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
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// Who cares
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}
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static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
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uint32_t axis_source) {
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// Who cares
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}
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static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis) {
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// Who cares
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}
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static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
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uint32_t axis, int32_t discrete) {
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// Who cares
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}
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struct wl_pointer_listener pointer_listener = {
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.enter = wl_pointer_enter,
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.leave = wl_pointer_leave,
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.motion = wl_pointer_motion,
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.button = wl_pointer_button,
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.axis = wl_pointer_axis,
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.frame = wl_pointer_frame,
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.axis_source = wl_pointer_axis_source,
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.axis_stop = wl_pointer_axis_stop,
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.axis_discrete = wl_pointer_axis_discrete,
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};
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static void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
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uint32_t format, int32_t fd, uint32_t size) {
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// Who cares
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}
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static void wl_keyboard_enter(void *data, struct wl_keyboard *wl_keyboard,
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uint32_t serial, struct wl_surface *surface, struct wl_array *keys) {
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wlr_log(WLR_DEBUG, "Keyboard enter");
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}
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static void wl_keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
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uint32_t serial, struct wl_surface *surface) {
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wlr_log(WLR_DEBUG, "Keyboard leave");
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}
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static void wl_keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
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uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
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wlr_log(WLR_DEBUG, "Key event: %d %d", key, state);
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}
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static void wl_keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard,
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uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
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uint32_t mods_locked, uint32_t group) {
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// Who cares
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}
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static void wl_keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
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int32_t rate, int32_t delay) {
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// Who cares
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}
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static struct wl_keyboard_listener keyboard_listener = {
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.keymap = wl_keyboard_keymap,
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.enter = wl_keyboard_enter,
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.leave = wl_keyboard_leave,
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.key = wl_keyboard_key,
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.modifiers = wl_keyboard_modifiers,
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.repeat_info = wl_keyboard_repeat_info,
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};
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static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
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enum wl_seat_capability caps) {
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if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
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pointer = wl_seat_get_pointer(wl_seat);
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wl_pointer_add_listener(pointer, &pointer_listener, NULL);
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}
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if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
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keyboard = wl_seat_get_keyboard(wl_seat);
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wl_keyboard_add_listener(keyboard, &keyboard_listener, NULL);
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}
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}
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static void seat_handle_name(void *data, struct wl_seat *wl_seat,
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const char *name) {
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// Who cares
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}
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const struct wl_seat_listener seat_listener = {
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.capabilities = seat_handle_capabilities,
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.name = seat_handle_name,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 1);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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shm = wl_registry_bind(registry, name,
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&wl_shm_interface, 1);
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} else if (strcmp(interface, "wl_output") == 0) {
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if (output != UINT32_MAX) {
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if (!wl_output) {
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wl_output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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} else {
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output--;
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}
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}
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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seat = wl_registry_bind(registry, name,
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&wl_seat_interface, 1);
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wl_seat_add_listener(seat, &seat_listener, NULL);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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} else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
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xdg_wm_base = wl_registry_bind(
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registry, name, &xdg_wm_base_interface, 1);
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}
|
|
}
|
|
|
|
static void handle_global_remove(void *data, struct wl_registry *registry,
|
|
uint32_t name) {
|
|
// who cares
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener = {
|
|
.global = handle_global,
|
|
.global_remove = handle_global_remove,
|
|
};
|
|
|
|
int main(int argc, char **argv) {
|
|
wlr_log_init(WLR_DEBUG, NULL);
|
|
char *namespace = "wlroots";
|
|
int exclusive_zone = 0;
|
|
int32_t margin_right = 0, margin_bottom = 0, margin_left = 0;
|
|
bool found;
|
|
int c;
|
|
while ((c = getopt(argc, argv, "knw:h:o:l:a:x:m:t:")) != -1) {
|
|
switch (c) {
|
|
case 'o':
|
|
output = atoi(optarg);
|
|
break;
|
|
case 'w':
|
|
width = atoi(optarg);
|
|
break;
|
|
case 'h':
|
|
height = atoi(optarg);
|
|
break;
|
|
case 'x':
|
|
exclusive_zone = atoi(optarg);
|
|
break;
|
|
case 'l': {
|
|
struct {
|
|
char *name;
|
|
enum zwlr_layer_shell_v1_layer value;
|
|
} layers[] = {
|
|
{ "background", ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND },
|
|
{ "bottom", ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM },
|
|
{ "top", ZWLR_LAYER_SHELL_V1_LAYER_TOP },
|
|
{ "overlay", ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY },
|
|
};
|
|
found = false;
|
|
for (size_t i = 0; i < sizeof(layers) / sizeof(layers[0]); ++i) {
|
|
if (strcmp(optarg, layers[i].name) == 0) {
|
|
layer = layers[i].value;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
fprintf(stderr, "invalid layer %s\n", optarg);
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
case 'a': {
|
|
struct {
|
|
char *name;
|
|
uint32_t value;
|
|
} anchors[] = {
|
|
{ "top", ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP },
|
|
{ "bottom", ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM },
|
|
{ "left", ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT },
|
|
{ "right", ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT },
|
|
};
|
|
found = false;
|
|
for (size_t i = 0; i < sizeof(anchors) / sizeof(anchors[0]); ++i) {
|
|
if (strcmp(optarg, anchors[i].name) == 0) {
|
|
anchor |= anchors[i].value;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
fprintf(stderr, "invalid anchor %s\n", optarg);
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
case 't':
|
|
alpha = atof(optarg);
|
|
break;
|
|
case 'm': {
|
|
char *endptr = optarg;
|
|
margin_top = strtol(endptr, &endptr, 10);
|
|
assert(*endptr == ',');
|
|
margin_right = strtol(endptr + 1, &endptr, 10);
|
|
assert(*endptr == ',');
|
|
margin_bottom = strtol(endptr + 1, &endptr, 10);
|
|
assert(*endptr == ',');
|
|
margin_left = strtol(endptr + 1, &endptr, 10);
|
|
assert(!*endptr);
|
|
break;
|
|
}
|
|
case 'n':
|
|
animate = true;
|
|
break;
|
|
case 'k':
|
|
keyboard_interactive = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
display = wl_display_connect(NULL);
|
|
if (display == NULL) {
|
|
fprintf(stderr, "Failed to create display\n");
|
|
return 1;
|
|
}
|
|
|
|
struct wl_registry *registry = wl_display_get_registry(display);
|
|
wl_registry_add_listener(registry, ®istry_listener, NULL);
|
|
wl_display_roundtrip(display);
|
|
|
|
if (compositor == NULL) {
|
|
fprintf(stderr, "wl_compositor not available\n");
|
|
return 1;
|
|
}
|
|
if (shm == NULL) {
|
|
fprintf(stderr, "wl_shm not available\n");
|
|
return 1;
|
|
}
|
|
if (layer_shell == NULL) {
|
|
fprintf(stderr, "layer_shell not available\n");
|
|
return 1;
|
|
}
|
|
|
|
struct wl_cursor_theme *cursor_theme =
|
|
wl_cursor_theme_load(NULL, 16, shm);
|
|
assert(cursor_theme);
|
|
struct wl_cursor *cursor =
|
|
wl_cursor_theme_get_cursor(cursor_theme, "crosshair");
|
|
assert(cursor);
|
|
cursor_image = cursor->images[0];
|
|
|
|
cursor = wl_cursor_theme_get_cursor(cursor_theme, "tcross");
|
|
assert(cursor);
|
|
popup_cursor_image = cursor->images[0];
|
|
|
|
cursor_surface = wl_compositor_create_surface(compositor);
|
|
assert(cursor_surface);
|
|
|
|
EGLint attribs[] = { EGL_ALPHA_SIZE, 8, EGL_NONE };
|
|
wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display,
|
|
attribs, WL_SHM_FORMAT_ARGB8888);
|
|
|
|
wl_surface = wl_compositor_create_surface(compositor);
|
|
assert(wl_surface);
|
|
|
|
layer_surface = zwlr_layer_shell_v1_get_layer_surface(layer_shell,
|
|
wl_surface, wl_output, layer, namespace);
|
|
assert(layer_surface);
|
|
zwlr_layer_surface_v1_set_size(layer_surface, width, height);
|
|
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
|
|
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, exclusive_zone);
|
|
zwlr_layer_surface_v1_set_margin(layer_surface,
|
|
margin_top, margin_right, margin_bottom, margin_left);
|
|
zwlr_layer_surface_v1_set_keyboard_interactivity(
|
|
layer_surface, keyboard_interactive);
|
|
zwlr_layer_surface_v1_add_listener(layer_surface,
|
|
&layer_surface_listener, layer_surface);
|
|
wl_surface_commit(wl_surface);
|
|
wl_display_roundtrip(display);
|
|
|
|
egl_window = wl_egl_window_create(wl_surface, width, height);
|
|
assert(egl_window);
|
|
egl_surface = wlr_egl_create_surface(&egl, egl_window);
|
|
assert(egl_surface);
|
|
|
|
wl_display_roundtrip(display);
|
|
draw();
|
|
|
|
while (wl_display_dispatch(display) != -1 && run_display) {
|
|
// This space intentionally left blank
|
|
}
|
|
|
|
wl_cursor_theme_destroy(cursor_theme);
|
|
return 0;
|
|
}
|