diff options
Diffstat (limited to 'examples/pointer-constraints.c')
| -rw-r--r-- | examples/pointer-constraints.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/examples/pointer-constraints.c b/examples/pointer-constraints.c deleted file mode 100644 index a75a2f6e..00000000 --- a/examples/pointer-constraints.c +++ /dev/null @@ -1,258 +0,0 @@ -#include <GLES2/gl2.h> -#include <linux/input-event-codes.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <wayland-client.h> -#include <wayland-egl.h> -#include "egl_common.h" -#include "xdg-shell-client-protocol.h" -#include "pointer-constraints-unstable-v1-client-protocol.h" - -static int width = 512, height = 512; - -static struct wl_compositor *compositor = NULL; -static struct wl_seat *seat = NULL; -static struct xdg_wm_base *wm_base = NULL; -static struct zwp_pointer_constraints_v1 *pointer_constraints = NULL; - -struct wl_egl_window *egl_window; -struct wlr_egl_surface *egl_surface; -struct zwp_locked_pointer_v1* locked_pointer; -struct zwp_confined_pointer_v1* confined_pointer; - -enum { - REGION_TYPE_NONE, - REGION_TYPE_DISJOINT, - REGION_TYPE_JOINT, - REGION_TYPE_MAX -} region_type = REGION_TYPE_NONE; - -struct wl_region *regions[3]; - -static void draw(void) { - eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context); - - float color[] = {1.0, 1.0, 0.0, 1.0}; - - glViewport(0, 0, width, height); - glClearColor(color[0], color[1], color[2], 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - eglSwapBuffers(egl_display, egl_surface); -} - -static void pointer_handle_button(void *data, struct wl_pointer *pointer, - uint32_t serial, uint32_t time, uint32_t button, uint32_t state_w) { - struct wl_surface *surface = data; - - if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED) { - region_type = (region_type + 1) % REGION_TYPE_MAX; - - if (locked_pointer) { - zwp_locked_pointer_v1_set_region(locked_pointer, - regions[region_type]); - } else if (confined_pointer) { - zwp_confined_pointer_v1_set_region(confined_pointer, - regions[region_type]); - } - - wl_surface_commit(surface); - } -} - -static void pointer_handle_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) { - // This space intentionally left blank -} - -static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer, - uint32_t serial, struct wl_surface *surface) { - // This space intentionally left blank -} - -static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer, - uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) { - // This space intentionally left blank -} - -static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer, - uint32_t time, uint32_t axis, wl_fixed_t value) { - // This space intentionally left blank -} - -static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) { - // This space intentionally left blank -} - -static void pointer_handle_axis_source(void *data, - struct wl_pointer *wl_pointer, uint32_t axis_source) { - // This space intentionally left blank -} - -static void pointer_handle_axis_stop(void *data, - struct wl_pointer *wl_pointer, uint32_t time, uint32_t axis) { - // This space intentionally left blank -} - -static void pointer_handle_axis_discrete(void *data, - struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) { - // This space intentionally left blank -} - -static const struct wl_pointer_listener pointer_listener = { - .enter = pointer_handle_enter, - .leave = pointer_handle_leave, - .motion = pointer_handle_motion, - .button = pointer_handle_button, - .axis = pointer_handle_axis, - .frame = pointer_handle_frame, - .axis_source = pointer_handle_axis_source, - .axis_stop = pointer_handle_axis_stop, - .axis_discrete = pointer_handle_axis_discrete, -}; - -static void xdg_surface_handle_configure(void *data, - struct xdg_surface *xdg_surface, uint32_t serial) { - xdg_surface_ack_configure(xdg_surface, serial); - wl_egl_window_resize(egl_window, width, height, 0, 0); - draw(); -} - -static const struct xdg_surface_listener xdg_surface_listener = { - .configure = xdg_surface_handle_configure, -}; - -static void xdg_toplevel_handle_configure(void *data, - struct xdg_toplevel *xdg_toplevel, int32_t w, int32_t h, - struct wl_array *states) { - width = w; - height = h; -} - -static void xdg_toplevel_handle_close(void *data, - struct xdg_toplevel *xdg_toplevel) { - exit(EXIT_SUCCESS); -} - -static const struct xdg_toplevel_listener xdg_toplevel_listener = { - .configure = xdg_toplevel_handle_configure, - .close = xdg_toplevel_handle_close, -}; - -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, xdg_wm_base_interface.name) == 0) { - wm_base = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1); - } else if (strcmp(interface, wl_seat_interface.name) == 0) { - seat = wl_registry_bind(registry, name, &wl_seat_interface, version); - } else if (strcmp(interface, - zwp_pointer_constraints_v1_interface.name) == 0) { - pointer_constraints = wl_registry_bind(registry, name, - &zwp_pointer_constraints_v1_interface, version); - } -} - -static const struct wl_registry_listener registry_listener = { - .global = handle_global, - .global_remove = NULL, -}; - -int main(int argc, char **argv) { - if (argc != 4) { - goto invalid_args; - } - - bool lock; - if (strcmp(argv[1], "lock") == 0) { - lock = true; - } else if (strcmp(argv[1], "confine") == 0) { - lock = false; - } else { - goto invalid_args; - } - - enum zwp_pointer_constraints_v1_lifetime lifetime; - if (strcmp(argv[2], "oneshot") == 0) { - lifetime = ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT; - } else if (strcmp(argv[2], "persistent") == 0) { - lifetime = ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT; - } else { - goto invalid_args; - } - - if (strcmp(argv[3], "no-region") == 0) { - region_type = REGION_TYPE_NONE; - } else if (strcmp(argv[3], "disjoint-region") == 0) { - region_type = REGION_TYPE_DISJOINT; - } else if (strcmp(argv[3], "joint-region") == 0) { - region_type = REGION_TYPE_JOINT; - } - - struct wl_display *display = wl_display_connect(NULL); - - struct wl_registry *registry = wl_display_get_registry(display); - wl_registry_add_listener(registry, ®istry_listener, NULL); - wl_display_roundtrip(display); - - struct wl_region *disjoint_region = wl_compositor_create_region(compositor); - wl_region_add(disjoint_region, 0, 0, 255, 256); - wl_region_add(disjoint_region, 257, 0, 255, 256); - regions[REGION_TYPE_DISJOINT] = disjoint_region; - - struct wl_region *joint_region = wl_compositor_create_region(compositor); - wl_region_add(joint_region, 0, 0, 256, 256); - wl_region_add(joint_region, 256, 0, 256, 256); - wl_region_add(joint_region, 256, 256, 256, 256); - regions[REGION_TYPE_JOINT] = joint_region; - - egl_init(display); - - struct wl_surface *surface = wl_compositor_create_surface(compositor); - struct xdg_surface *xdg_surface = - xdg_wm_base_get_xdg_surface(wm_base, surface); - struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface); - - xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL); - xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, NULL); - - struct wl_pointer *pointer = wl_seat_get_pointer(seat); - wl_pointer_add_listener(pointer, &pointer_listener, surface); - - if (lock) { - locked_pointer = zwp_pointer_constraints_v1_lock_pointer( - pointer_constraints, surface, pointer, - regions[region_type], lifetime); - - zwp_locked_pointer_v1_set_cursor_position_hint(locked_pointer, - wl_fixed_from_int(128), wl_fixed_from_int(128)); - } else { - confined_pointer = zwp_pointer_constraints_v1_confine_pointer( - pointer_constraints, surface, pointer, - regions[region_type], lifetime); - } - - wl_surface_commit(surface); - - egl_window = wl_egl_window_create(surface, width, height); - egl_surface = eglCreatePlatformWindowSurfaceEXT( - egl_display, egl_config, egl_window, NULL); - - wl_display_roundtrip(display); - - draw(); - - while (wl_display_dispatch(display) != -1) {} - - return EXIT_SUCCESS; - -invalid_args: - fprintf(stderr, "pointer-constraints <lock | confine> " - "<oneshot | persistent> " - "<no-region | disjoint-rejoin | joint-region>\n"); - return EXIT_FAILURE; -} |