Drew DeVault
7 years ago
committed by
GitHub
commit
2ecce27dd5
@ -0,0 +1,189 @@
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#include <GLES2/gl2.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <wayland-client.h>
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#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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#include "wlr-input-inhibitor-unstable-v1-client-protocol.h"
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#include "xdg-shell-client-protocol.h"
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static int width = 500, height = 300;
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static int keys = 0;
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static struct wl_compositor *compositor = NULL;
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static struct wl_seat *seat = NULL;
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static struct xdg_wm_base *wm_base = NULL;
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static struct zwlr_input_inhibit_manager_v1 *input_inhibit_manager = NULL;
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static struct zwlr_input_inhibitor_v1 *input_inhibitor = NULL;
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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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static void render_frame(void) {
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eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
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glViewport(0, 0, width, height);
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if (keys) {
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glClearColor(1.0, 1.0, 1.0, 1.0);
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} else {
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glClearColor(0.8, 0.4, 1.0, 1.0);
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}
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(egl.display, egl_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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wl_egl_window_resize(egl_window, width, height, 0, 0);
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render_frame();
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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_toplevel_handle_configure(void *data,
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struct xdg_toplevel *xdg_toplevel, int32_t w, int32_t h,
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struct wl_array *states) {
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width = w;
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height = h;
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}
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static void xdg_toplevel_handle_close(void *data,
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struct xdg_toplevel *xdg_toplevel) {
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exit(0);
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}
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static const struct xdg_toplevel_listener xdg_toplevel_listener = {
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.configure = xdg_toplevel_handle_configure,
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.close = xdg_toplevel_handle_close,
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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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}
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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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}
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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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}
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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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}
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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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}
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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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if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
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++keys;
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} else {
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--keys;
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}
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render_frame();
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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_KEYBOARD)) {
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struct wl_keyboard *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, xdg_wm_base_interface.name) == 0) {
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wm_base = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
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} else if (strcmp(interface, zwlr_input_inhibit_manager_v1_interface.name) == 0) {
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input_inhibit_manager = wl_registry_bind(registry, name,
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&zwlr_input_inhibit_manager_v1_interface, 1);
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
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wl_seat_add_listener(seat, &seat_listener, seat);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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int main(int argc, char **argv) {
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struct wl_display *display = wl_display_connect(NULL);
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assert(display);
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struct wl_registry *registry = wl_display_get_registry(display);
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assert(registry);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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wl_display_dispatch(display);
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wl_display_roundtrip(display);
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assert(compositor && seat && wm_base && input_inhibit_manager);
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input_inhibitor = zwlr_input_inhibit_manager_v1_get_inhibitor(
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input_inhibit_manager);
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assert(input_inhibitor);
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wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display, NULL,
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WL_SHM_FORMAT_ARGB8888);
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struct wl_surface *surface = wl_compositor_create_surface(compositor);
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assert(surface);
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struct xdg_surface *xdg_surface =
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xdg_wm_base_get_xdg_surface(wm_base, surface);
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assert(xdg_surface);
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struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
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assert(xdg_toplevel);
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xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
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xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, NULL);
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wl_surface_commit(surface);
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egl_window = wl_egl_window_create(surface, width, height);
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egl_surface = wlr_egl_create_surface(&egl, egl_window);
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wl_display_roundtrip(display);
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render_frame();
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while (wl_display_dispatch(display) != -1) {
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// This space intentionally left blank
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}
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return 0;
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}
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@ -0,0 +1,25 @@
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#ifndef WLR_TYPES_INPUT_INHIBITOR_H
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#define WLR_TYPES_INPUT_INHIBITOR_H
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#include <wayland-server.h>
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struct wlr_input_inhibit_manager {
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struct wl_global *wl_global;
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struct wl_client *active_client;
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struct wl_resource *active_inhibitor;
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struct wl_listener display_destroy;
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struct {
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struct wl_signal activate; // struct wlr_input_inhibit_manager *
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struct wl_signal deactivate; // struct wlr_input_inhibit_manager *
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} events;
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void *data;
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};
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struct wlr_input_inhibit_manager *wlr_input_inhibit_manager_create(
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struct wl_display *display);
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void wlr_input_inhibit_manager_destroy(
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struct wlr_input_inhibit_manager *manager);
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#endif
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@ -0,0 +1,67 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="wlr_input_inhibit_unstable_v1">
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<copyright>
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Copyright © 2018 Drew DeVault
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that copyright notice and this permission
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notice appear in supporting documentation, and that the name of
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the copyright holders not be used in advertising or publicity
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pertaining to distribution of the software without specific,
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written prior permission. The copyright holders make no
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representations about the suitability of this software for any
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purpose. It is provided "as is" without express or implied
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warranty.
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THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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</copyright>
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<interface name="zwlr_input_inhibit_manager_v1" version="1">
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<description summary="inhibits input events to other clients">
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Clients can use this interface to prevent input events from being sent to
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any surfaces but its own, which is useful for example in lock screen
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software. It is assumed that access to this interface will be locked down
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to whitelisted clients by the compositor.
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</description>
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<request name="get_inhibitor">
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<description summary="inhibit input to other clients">
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Activates the input inhibitor. As long as the inhibitor is active, the
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compositor will not send input events to other clients.
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</description>
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<arg name="id" type="new_id" interface="zwlr_input_inhibitor_v1"/>
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</request>
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<enum name="error">
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<entry name="already_inhibited" value="0" summary="an input inhibitor is already in use on the compositor"/>
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</enum>
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</interface>
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<interface name="zwlr_input_inhibitor_v1" version="1">
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<description summary="inhibits input to other clients">
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While this resource exists, input to clients other than the owner of the
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inhibitor resource will not receive input events. The client that owns
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this resource will receive all input events normally. The compositor will
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also disable all of its own input processing (such as keyboard shortcuts)
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while the inhibitor is active.
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The compositor may continue to send input events to selected clients,
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such as an on-screen keyboard (via the input-method protocol).
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy the input inhibitor object">
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Destroy the inhibitor and allow other clients to receive input.
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</description>
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</request>
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</interface>
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</protocol>
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@ -0,0 +1,130 @@
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#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include "wlr/types/wlr_input_inhibitor.h"
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#include "wlr-input-inhibitor-unstable-v1-protocol.h"
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static const struct zwlr_input_inhibit_manager_v1_interface inhibit_manager_implementation;
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static struct wlr_input_inhibit_manager *input_inhibit_manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwlr_input_inhibit_manager_v1_interface,
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&inhibit_manager_implementation));
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return wl_resource_get_user_data(resource);
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}
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static void input_inhibitor_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_input_inhibit_manager *manager =
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input_inhibit_manager_from_resource(resource);
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manager->active_client = NULL;
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manager->active_inhibitor = NULL;
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wl_resource_destroy(resource);
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wl_signal_emit(&manager->events.deactivate, manager);
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}
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static struct zwlr_input_inhibitor_v1_interface input_inhibitor_implementation = {
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.destroy = input_inhibitor_destroy,
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};
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static void inhibit_manager_get_inhibitor(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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struct wlr_input_inhibit_manager *manager =
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input_inhibit_manager_from_resource(resource);
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if (manager->active_client || manager->active_inhibitor) {
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wl_resource_post_error(resource,
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ZWLR_INPUT_INHIBIT_MANAGER_V1_ERROR_ALREADY_INHIBITED,
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"this compositor already has input inhibited");
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return;
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}
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struct wl_resource *wl_resource = wl_resource_create(client,
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&zwlr_input_inhibitor_v1_interface,
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wl_resource_get_version(resource), id);
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if (!wl_resource) {
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wl_client_post_no_memory(client);
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}
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wl_resource_set_implementation(wl_resource, &input_inhibitor_implementation,
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manager, NULL);
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manager->active_client = client;
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manager->active_inhibitor = wl_resource;
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wl_signal_emit(&manager->events.activate, manager);
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}
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static const struct zwlr_input_inhibit_manager_v1_interface inhibit_manager_implementation = {
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.get_inhibitor = inhibit_manager_get_inhibitor
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};
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static void input_manager_client_destroy(struct wl_resource *resource) {
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struct wlr_input_inhibit_manager *manager =
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input_inhibit_manager_from_resource(resource);
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if (manager->active_client == wl_resource_get_client(resource)) {
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input_inhibitor_destroy(manager->active_client, resource);
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}
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}
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static void inhibit_manager_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_input_inhibit_manager *manager = data;
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assert(wl_client && manager);
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struct wl_resource *wl_resource = wl_resource_create(wl_client,
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&zwlr_input_inhibit_manager_v1_interface, version, id);
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if (wl_resource == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_resource_set_implementation(wl_resource,
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&inhibit_manager_implementation, manager,
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input_manager_client_destroy);
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}
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void wlr_input_inhibit_manager_destroy(
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struct wlr_input_inhibit_manager *manager) {
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if (!manager) {
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return;
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}
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if (manager->active_client) {
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input_inhibitor_destroy(manager->active_client,
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manager->active_inhibitor);
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}
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wl_list_remove(&manager->display_destroy.link);
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wl_global_destroy(manager->wl_global);
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free(manager);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_input_inhibit_manager *manager =
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wl_container_of(listener, manager, display_destroy);
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wlr_input_inhibit_manager_destroy(manager);
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}
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struct wlr_input_inhibit_manager *wlr_input_inhibit_manager_create(
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struct wl_display *display) {
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// TODO: Client destroy
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struct wlr_input_inhibit_manager *manager =
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calloc(1, sizeof(struct wlr_input_inhibit_manager));
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if (!manager) {
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return NULL;
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}
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manager->wl_global = wl_global_create(display,
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&zwlr_input_inhibit_manager_v1_interface,
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1, manager, inhibit_manager_bind);
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if (manager->wl_global == NULL){
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wl_list_remove(&manager->display_destroy.link);
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free(manager);
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return NULL;
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}
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wl_signal_init(&manager->events.activate);
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wl_signal_init(&manager->events.deactivate);
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manager->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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