aboutsummaryrefslogtreecommitdiff
path: root/examples/layer-shell.c
diff options
context:
space:
mode:
Diffstat (limited to 'examples/layer-shell.c')
-rw-r--r--examples/layer-shell.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/examples/layer-shell.c b/examples/layer-shell.c
deleted file mode 100644
index 5f86be8d..00000000
--- a/examples/layer-shell.c
+++ /dev/null
@@ -1,668 +0,0 @@
-#define _POSIX_C_SOURCE 200112L
-#include <linux/input-event-codes.h>
-#include <assert.h>
-#include <GLES2/gl2.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <wayland-client.h>
-#include <wayland-cursor.h>
-#include <wayland-egl.h>
-#include "egl_common.h"
-#include "wlr-layer-shell-unstable-v1-client-protocol.h"
-#include "xdg-shell-client-protocol.h"
-
-static struct wl_display *display;
-static struct wl_compositor *compositor;
-static struct wl_seat *seat;
-static struct wl_shm *shm;
-static struct wl_pointer *pointer;
-static struct wl_keyboard *keyboard;
-static struct xdg_wm_base *xdg_wm_base;
-static struct zwlr_layer_shell_v1 *layer_shell;
-
-struct zwlr_layer_surface_v1 *layer_surface;
-static struct wl_output *wl_output;
-
-struct wl_surface *wl_surface;
-struct wl_egl_window *egl_window;
-struct wlr_egl_surface *egl_surface;
-struct wl_callback *frame_callback;
-
-static uint32_t output = UINT32_MAX;
-struct xdg_popup *popup;
-struct wl_surface *popup_wl_surface;
-struct wl_egl_window *popup_egl_window;
-static uint32_t popup_width = 256, popup_height = 256;
-struct wlr_egl_surface *popup_egl_surface;
-struct wl_callback *popup_frame_callback;
-float popup_alpha = 1.0, popup_red = 0.5f;
-
-static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND;
-static uint32_t anchor = 0;
-static uint32_t width = 256, height = 256;
-static int32_t margin_top = 0;
-static double alpha = 1.0;
-static bool run_display = true;
-static bool animate = false;
-static enum zwlr_layer_surface_v1_keyboard_interactivity keyboard_interactive =
- ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE;
-static double frame = 0;
-static int cur_x = -1, cur_y = -1;
-static int buttons = 0;
-
-struct wl_cursor_image *cursor_image;
-struct wl_cursor_image *popup_cursor_image;
-struct wl_surface *cursor_surface, *input_surface;
-
-static struct {
- struct timespec last_frame;
- float color[3];
- int dec;
-} demo;
-
-static void draw(void);
-static void draw_popup(void);
-
-static void surface_frame_callback(
- void *data, struct wl_callback *cb, uint32_t time) {
- wl_callback_destroy(cb);
- frame_callback = NULL;
- draw();
-}
-
-static struct wl_callback_listener frame_listener = {
- .done = surface_frame_callback
-};
-
-static void popup_surface_frame_callback(
- void *data, struct wl_callback *cb, uint32_t time) {
- wl_callback_destroy(cb);
- popup_frame_callback = NULL;
- if (popup) {
- draw_popup();
- }
-}
-
-static struct wl_callback_listener popup_frame_listener = {
- .done = popup_surface_frame_callback
-};
-
-static void draw(void) {
- eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context);
- struct timespec ts;
- clock_gettime(CLOCK_MONOTONIC, &ts);
-
- long ms = (ts.tv_sec - demo.last_frame.tv_sec) * 1000 +
- (ts.tv_nsec - demo.last_frame.tv_nsec) / 1000000;
- int inc = (demo.dec + 1) % 3;
-
- if (!buttons) {
- demo.color[inc] += ms / 2000.0f;
- demo.color[demo.dec] -= ms / 2000.0f;
-
- if (demo.color[demo.dec] < 0.0f) {
- demo.color[inc] = 1.0f;
- demo.color[demo.dec] = 0.0f;
- demo.dec = inc;
- }
- }
-
- if (animate) {
- frame += ms / 50.0;
- int32_t old_top = margin_top;
- margin_top = -(20 - ((int)frame % 20));
- if (old_top != margin_top) {
- zwlr_layer_surface_v1_set_margin(layer_surface,
- margin_top, 0, 0, 0);
- wl_surface_commit(wl_surface);
- }
- }
-
- glViewport(0, 0, width, height);
- if (buttons) {
- glClearColor(alpha, alpha, alpha, alpha);
- } else {
- glClearColor(demo.color[0] * alpha, demo.color[1] * alpha,
- demo.color[2] * alpha, alpha);
- }
- glClear(GL_COLOR_BUFFER_BIT);
-
- if (cur_x != -1 && cur_y != -1) {
- glEnable(GL_SCISSOR_TEST);
- glScissor(cur_x, height - cur_y, 5, 5);
- glClearColor(0, 0, 0, 1);
- glClear(GL_COLOR_BUFFER_BIT);
- glDisable(GL_SCISSOR_TEST);
- }
-
- frame_callback = wl_surface_frame(wl_surface);
- wl_callback_add_listener(frame_callback, &frame_listener, NULL);
-
- eglSwapBuffers(egl_display, egl_surface);
-
- demo.last_frame = ts;
-}
-
-static void draw_popup(void) {
- static float alpha_mod = -0.01;
-
- eglMakeCurrent(egl_display, popup_egl_surface, popup_egl_surface, egl_context);
- glViewport(0, 0, popup_width, popup_height);
- glClearColor(popup_red * popup_alpha, 0.5f * popup_alpha,
- 0.5f * popup_alpha, popup_alpha);
- popup_alpha += alpha_mod;
- if (popup_alpha < 0.01 || popup_alpha >= 1.0f) {
- alpha_mod *= -1.0;
- }
- glClear(GL_COLOR_BUFFER_BIT);
-
- popup_frame_callback = wl_surface_frame(popup_wl_surface);
- assert(popup_frame_callback);
- wl_callback_add_listener(popup_frame_callback, &popup_frame_listener, NULL);
- eglSwapBuffers(egl_display, popup_egl_surface);
- wl_surface_commit(popup_wl_surface);
-}
-
-static void xdg_surface_handle_configure(void *data,
- struct xdg_surface *xdg_surface, uint32_t serial) {
- xdg_surface_ack_configure(xdg_surface, serial);
-}
-
-static const struct xdg_surface_listener xdg_surface_listener = {
- .configure = xdg_surface_handle_configure,
-};
-
-static void xdg_popup_configure(void *data, struct xdg_popup *xdg_popup,
- int32_t x, int32_t y, int32_t width, int32_t height) {
- fprintf(stderr, "Popup configured %dx%d@%d,%d\n", width, height, x, y);
- popup_width = width;
- popup_height = height;
- if (popup_egl_window) {
- wl_egl_window_resize(popup_egl_window, width, height, 0, 0);
- }
-}
-
-static void popup_destroy(void) {
- eglDestroySurface(egl_display, popup_egl_surface);
- wl_egl_window_destroy(popup_egl_window);
- xdg_popup_destroy(popup);
- wl_surface_destroy(popup_wl_surface);
- popup_wl_surface = NULL;
- popup = NULL;
- popup_egl_window = NULL;
-}
-
-static void xdg_popup_done(void *data, struct xdg_popup *xdg_popup) {
- fprintf(stderr, "Popup done\n");
- popup_destroy();
-}
-
-static const struct xdg_popup_listener xdg_popup_listener = {
- .configure = xdg_popup_configure,
- .popup_done = xdg_popup_done,
-};
-
-static void create_popup(uint32_t serial) {
- if (popup) {
- return;
- }
- struct wl_surface *surface = wl_compositor_create_surface(compositor);
- assert(xdg_wm_base && surface);
- struct xdg_surface *xdg_surface =
- xdg_wm_base_get_xdg_surface(xdg_wm_base, surface);
- struct xdg_positioner *xdg_positioner =
- xdg_wm_base_create_positioner(xdg_wm_base);
- assert(xdg_surface && xdg_positioner);
-
- xdg_positioner_set_size(xdg_positioner, popup_width, popup_height);
- xdg_positioner_set_offset(xdg_positioner, 0, 0);
- xdg_positioner_set_anchor_rect(xdg_positioner, cur_x, cur_y, 1, 1);
- xdg_positioner_set_anchor(xdg_positioner, XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT);
-
- popup = xdg_surface_get_popup(xdg_surface, NULL, xdg_positioner);
- xdg_popup_grab(popup, seat, serial);
-
- assert(popup);
-
- zwlr_layer_surface_v1_get_popup(layer_surface, popup);
-
- xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
- xdg_popup_add_listener(popup, &xdg_popup_listener, NULL);
-
- wl_surface_commit(surface);
- wl_display_roundtrip(display);
-
- xdg_positioner_destroy(xdg_positioner);
-
- popup_wl_surface = surface;
- popup_egl_window = wl_egl_window_create(surface, popup_width, popup_height);
- assert(popup_egl_window);
- popup_egl_surface = eglCreatePlatformWindowSurfaceEXT(
- egl_display, egl_config, popup_egl_window, NULL);
- assert(popup_egl_surface != EGL_NO_SURFACE);
- draw_popup();
-}
-
-static void layer_surface_configure(void *data,
- struct zwlr_layer_surface_v1 *surface,
- uint32_t serial, uint32_t w, uint32_t h) {
- width = w;
- height = h;
- if (egl_window) {
- wl_egl_window_resize(egl_window, width, height, 0, 0);
- }
- zwlr_layer_surface_v1_ack_configure(surface, serial);
-}
-
-static void layer_surface_closed(void *data,
- struct zwlr_layer_surface_v1 *surface) {
- eglDestroySurface(egl_display, egl_surface);
- wl_egl_window_destroy(egl_window);
- zwlr_layer_surface_v1_destroy(surface);
- wl_surface_destroy(wl_surface);
- run_display = false;
-}
-
-struct zwlr_layer_surface_v1_listener layer_surface_listener = {
- .configure = layer_surface_configure,
- .closed = layer_surface_closed,
-};
-
-static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
- uint32_t serial, struct wl_surface *surface,
- wl_fixed_t surface_x, wl_fixed_t surface_y) {
- struct wl_cursor_image *image;
- if (surface == popup_wl_surface) {
- image = popup_cursor_image;
- } else {
- image = cursor_image;
- }
- wl_surface_attach(cursor_surface,
- wl_cursor_image_get_buffer(image), 0, 0);
- wl_surface_damage(cursor_surface, 1, 0,
- image->width, image->height);
- wl_surface_commit(cursor_surface);
- wl_pointer_set_cursor(wl_pointer, serial, cursor_surface,
- image->hotspot_x, image->hotspot_y);
- input_surface = surface;
-}
-
-static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
- uint32_t serial, struct wl_surface *surface) {
- cur_x = cur_y = -1;
- buttons = 0;
-}
-
-static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
- uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
- cur_x = wl_fixed_to_int(surface_x);
- cur_y = wl_fixed_to_int(surface_y);
-}
-
-static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
- uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
- if (input_surface == wl_surface) {
- if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
- if (button == BTN_RIGHT) {
- if (popup_wl_surface) {
- popup_destroy();
- } else {
- create_popup(serial);
- }
- } else {
- buttons++;
- }
- } else {
- if (button != BTN_RIGHT) {
- buttons--;
- }
- }
- } else if (input_surface == popup_wl_surface) {
- if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
- if (button == BTN_LEFT && popup_red <= 0.9f) {
- popup_red += 0.1;
- } else if (button == BTN_RIGHT && popup_red >= 0.1f) {
- popup_red -= 0.1;
- }
- }
- } else {
- assert(false && "Unknown surface");
- }
-}
-
-static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
- uint32_t time, uint32_t axis, wl_fixed_t value) {
- // Who cares
-}
-
-static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
- // Who cares
-}
-
-static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
- uint32_t axis_source) {
- // Who cares
-}
-
-static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
- uint32_t time, uint32_t axis) {
- // Who cares
-}
-
-static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
- uint32_t axis, int32_t discrete) {
- // Who cares
-}
-
-struct wl_pointer_listener pointer_listener = {
- .enter = wl_pointer_enter,
- .leave = wl_pointer_leave,
- .motion = wl_pointer_motion,
- .button = wl_pointer_button,
- .axis = wl_pointer_axis,
- .frame = wl_pointer_frame,
- .axis_source = wl_pointer_axis_source,
- .axis_stop = wl_pointer_axis_stop,
- .axis_discrete = wl_pointer_axis_discrete,
-};
-
-static void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
- uint32_t format, int32_t fd, uint32_t size) {
- // Who cares
-}
-
-static void wl_keyboard_enter(void *data, struct wl_keyboard *wl_keyboard,
- uint32_t serial, struct wl_surface *surface, struct wl_array *keys) {
- fprintf(stderr, "Keyboard enter\n");
-}
-
-static void wl_keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
- uint32_t serial, struct wl_surface *surface) {
- fprintf(stderr, "Keyboard leave\n");
-}
-
-static void wl_keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
- uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
- fprintf(stderr, "Key event: %d %d\n", key, state);
-}
-
-static void wl_keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard,
- uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
- uint32_t mods_locked, uint32_t group) {
- // Who cares
-}
-
-static void wl_keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
- int32_t rate, int32_t delay) {
- // Who cares
-}
-
-static struct wl_keyboard_listener keyboard_listener = {
- .keymap = wl_keyboard_keymap,
- .enter = wl_keyboard_enter,
- .leave = wl_keyboard_leave,
- .key = wl_keyboard_key,
- .modifiers = wl_keyboard_modifiers,
- .repeat_info = wl_keyboard_repeat_info,
-};
-
-static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
- enum wl_seat_capability caps) {
- if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
- pointer = wl_seat_get_pointer(wl_seat);
- wl_pointer_add_listener(pointer, &pointer_listener, NULL);
- }
- if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
- keyboard = wl_seat_get_keyboard(wl_seat);
- wl_keyboard_add_listener(keyboard, &keyboard_listener, NULL);
- }
-}
-
-static void seat_handle_name(void *data, struct wl_seat *wl_seat,
- const char *name) {
- // Who cares
-}
-
-const struct wl_seat_listener seat_listener = {
- .capabilities = seat_handle_capabilities,
- .name = seat_handle_name,
-};
-
-static void handle_global(void *data, struct wl_registry *registry,
- uint32_t name, const char *interface, uint32_t version) {
- if (strcmp(interface, wl_compositor_interface.name) == 0) {
- compositor = wl_registry_bind(registry, name,
- &wl_compositor_interface, 1);
- } else if (strcmp(interface, wl_shm_interface.name) == 0) {
- shm = wl_registry_bind(registry, name,
- &wl_shm_interface, 1);
- } else if (strcmp(interface, "wl_output") == 0) {
- if (output != UINT32_MAX) {
- if (!wl_output) {
- wl_output = wl_registry_bind(registry, name,
- &wl_output_interface, 1);
- } else {
- output--;
- }
- }
- } else if (strcmp(interface, wl_seat_interface.name) == 0) {
- seat = wl_registry_bind(registry, name,
- &wl_seat_interface, 1);
- wl_seat_add_listener(seat, &seat_listener, NULL);
- } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
- layer_shell = wl_registry_bind(registry, name,
- &zwlr_layer_shell_v1_interface, version < 4 ? version : 4);
- } else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
- xdg_wm_base = wl_registry_bind(
- registry, name, &xdg_wm_base_interface, 1);
- }
-}
-
-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) {
- 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, "k:nw: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': {
- const struct {
- const char *name;
- enum zwlr_layer_surface_v1_keyboard_interactivity value;
- } kb_int[] = {
- { "none", ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE },
- { "exclusive", ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE },
- { "on_demand", ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_ON_DEMAND }
- };
- found = false;
- for (size_t i = 0; i < sizeof(kb_int) / sizeof(kb_int[0]); ++i) {
- if (strcmp(optarg, kb_int[i].name) == 0) {
- keyboard_interactive = kb_int[i].value;
- found = true;
- break;
- }
- }
- if (!found) {
- fprintf(stderr, "invalid keyboard interactivity setting %s\n", optarg);
- return 1;
- }
- 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, &registry_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");
- if (cursor == NULL) {
- cursor = wl_cursor_theme_get_cursor(cursor_theme, "default");
- }
- assert(cursor);
- cursor_image = cursor->images[0];
-
- cursor = wl_cursor_theme_get_cursor(cursor_theme, "tcross");
- if (cursor == NULL) {
- cursor = wl_cursor_theme_get_cursor(cursor_theme, "default");
- }
- assert(cursor);
- popup_cursor_image = cursor->images[0];
-
- cursor_surface = wl_compositor_create_surface(compositor);
- assert(cursor_surface);
-
- egl_init(display);
-
- 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 = eglCreatePlatformWindowSurfaceEXT(
- egl_display, egl_config, egl_window, NULL);
- assert(egl_surface != EGL_NO_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;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 08:08:52 +0000