Las
6 years ago
parent
437f538772
commit
fa2e6e7d9d
@ -0,0 +1,254 @@
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#include <GLES2/gl2.h>
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#include <linux/input-event-codes.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 <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 "xdg-shell-client-protocol.h"
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#include "pointer-constraints-unstable-v1-client-protocol.h"
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static int width = 512, height = 512;
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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 zwp_pointer_constraints_v1 *pointer_constraints = 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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struct zwp_locked_pointer_v1* locked_pointer;
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struct zwp_confined_pointer_v1* confined_pointer;
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enum {
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REGION_TYPE_NONE,
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REGION_TYPE_DISJOINT,
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REGION_TYPE_JOINT,
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REGION_TYPE_MAX
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} region_type = REGION_TYPE_NONE;
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struct wl_region *regions[3];
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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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float color[] = {1.0, 1.0, 0.0, 1.0};
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glViewport(0, 0, width, height);
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glClearColor(color[0], color[1], color[2], 1.0);
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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 pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
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uint32_t time, uint32_t button, uint32_t state_w) {
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struct wl_surface *surface = data;
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if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED) {
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region_type = (region_type + 1) % REGION_TYPE_MAX;
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if (locked_pointer) {
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zwp_locked_pointer_v1_set_region(locked_pointer, regions[region_type]);
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} else if (confined_pointer) {
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zwp_confined_pointer_v1_set_region(confined_pointer, regions[region_type]);
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}
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wl_surface_commit(surface);
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}
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}
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static void pointer_handle_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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// This space intentionally left blank
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}
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static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface) {
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// This space intentionally left blank
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}
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static void pointer_handle_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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// This space intentionally left blank
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}
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static void pointer_handle_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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// This space intentionally left blank
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}
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static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
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// This space intentionally left blank
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}
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static void pointer_handle_axis_source(void *data,
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struct wl_pointer *wl_pointer, uint32_t axis_source) {
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// This space intentionally left blank
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}
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static void pointer_handle_axis_stop(void *data,
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struct wl_pointer *wl_pointer, uint32_t time, uint32_t axis) {
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// This space intentionally left blank
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}
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static void pointer_handle_axis_discrete(void *data,
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struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) {
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// This space intentionally left blank
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}
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static const struct wl_pointer_listener pointer_listener = {
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.enter = pointer_handle_enter,
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.leave = pointer_handle_leave,
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.motion = pointer_handle_motion,
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.button = pointer_handle_button,
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.axis = pointer_handle_axis,
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.frame = pointer_handle_frame,
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.axis_source = pointer_handle_axis_source,
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.axis_stop = pointer_handle_axis_stop,
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.axis_discrete = pointer_handle_axis_discrete,
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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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draw();
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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(EXIT_SUCCESS);
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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 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, wl_seat_interface.name) == 0) {
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seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
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} else if (strcmp(interface, zwp_pointer_constraints_v1_interface.name) == 0) {
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pointer_constraints = wl_registry_bind(registry, name,
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&zwp_pointer_constraints_v1_interface, version);
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}
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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 = NULL,
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};
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int main(int argc, char **argv) {
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if (argc != 4) {
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goto invalid_args;
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}
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bool lock;
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if (strcmp(argv[1], "lock") == 0) {
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lock = true;
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} else if (strcmp(argv[1], "confine") == 0) {
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lock = false;
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} else {
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goto invalid_args;
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}
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enum zwp_pointer_constraints_v1_lifetime lifetime;
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if (strcmp(argv[2], "oneshot") == 0) {
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lifetime = ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT;
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} else if (strcmp(argv[2], "persistent") == 0) {
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lifetime = ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT;
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} else {
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goto invalid_args;
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}
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if (strcmp(argv[3], "no-region") == 0) {
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region_type = REGION_TYPE_NONE;
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} else if (strcmp(argv[3], "disjoint-region") == 0) {
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region_type = REGION_TYPE_DISJOINT;
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} else if (strcmp(argv[3], "joint-region") == 0) {
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region_type = REGION_TYPE_JOINT;
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}
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struct wl_display *display = wl_display_connect(NULL);
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struct wl_registry *registry = wl_display_get_registry(display);
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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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struct wl_region *disjoint_region = wl_compositor_create_region(compositor);
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wl_region_add(disjoint_region, 0, 0, 255, 256);
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wl_region_add(disjoint_region, 257, 0, 255, 256);
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regions[REGION_TYPE_DISJOINT] = disjoint_region;
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struct wl_region *joint_region = wl_compositor_create_region(compositor);
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wl_region_add(joint_region, 0, 0, 256, 256);
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wl_region_add(joint_region, 256, 0, 256, 256);
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wl_region_add(joint_region, 256, 256, 256, 256);
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regions[REGION_TYPE_JOINT] = joint_region;
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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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struct xdg_surface *xdg_surface =
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xdg_wm_base_get_xdg_surface(wm_base, surface);
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struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
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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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struct wl_pointer *pointer = wl_seat_get_pointer(seat);
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wl_pointer_add_listener(pointer, &pointer_listener, surface);
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if (lock) {
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locked_pointer = zwp_pointer_constraints_v1_lock_pointer(
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pointer_constraints, surface, pointer, regions[region_type], lifetime);
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zwp_locked_pointer_v1_set_cursor_position_hint(locked_pointer, wl_fixed_from_int(128), wl_fixed_from_int(128));
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} else {
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confined_pointer = zwp_pointer_constraints_v1_confine_pointer(
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pointer_constraints, surface, pointer, regions[region_type], lifetime);
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}
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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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draw();
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while (wl_display_dispatch(display) != -1) {}
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return EXIT_SUCCESS;
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invalid_args: {
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fprintf(stderr, "pointer-constraints <lock | confine> <oneshot | persistent> "
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"<no-region | disjoint-rejoin | joint-region>\n");
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exit(EXIT_FAILURE);
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}
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}
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@ -0,0 +1,88 @@
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#ifndef WLR_TYPES_WLR_POINTER_CONSTRAINTS_V1_H
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#define WLR_TYPES_WLR_POINTER_CONSTRAINTS_V1_H
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#include <stdint.h>
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#include <wayland-server.h>
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#include <pixman.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_seat.h>
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#include "pointer-constraints-unstable-v1-protocol.h"
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struct wlr_seat;
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enum wlr_pointer_constraint_v1_type {
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WLR_POINTER_CONSTRAINT_V1_LOCKED,
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WLR_POINTER_CONSTRAINT_V1_CONFINED,
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};
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struct wlr_pointer_constraint_v1_state {
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pixman_region32_t *region;
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// only valid for locked_pointer
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struct {
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double x, y;
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bool valid;
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} cursor_hint;
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};
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struct wlr_pointer_constraint_v1 {
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struct wlr_pointer_constraints_v1 *pointer_constraints;
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struct wl_resource *resource;
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struct wlr_surface *surface;
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struct wlr_seat *seat;
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enum zwp_pointer_constraints_v1_lifetime lifetime;
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enum wlr_pointer_constraint_v1_type type;
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pixman_region32_t region;
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struct wlr_pointer_constraint_v1_state current, pending;
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struct wl_listener surface_commit;
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struct wl_listener surface_destroy;
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struct wl_listener seat_destroy;
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struct wl_list link; // wlr_pointer_constraints_v1::constraints
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void *data;
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};
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struct wlr_pointer_constraints_v1 {
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struct wl_list wl_resources; // wl_resource_get_link
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struct wl_global *wl_global;
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struct {
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/**
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* Called when a new pointer constraint is created.
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*
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* data: wlr_pointer_constraint_v1*
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*/
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struct wl_signal constraint_create;
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/**
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* Called when a pointer constraint is destroyed.
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*
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* data: wlr_pointer_constraint_v1*
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*/
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struct wl_signal constraint_destroy;
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} events;
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struct wl_list constraints; // wlr_pointer_constraint_v1::link
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void *data;
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};
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struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1_create(
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struct wl_display *display);
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void wlr_pointer_constraints_v1_destroy(
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struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1);
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struct wlr_pointer_constraint_v1 *wlr_pointer_constraints_v1_constraint_for_surface(
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struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1,
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struct wlr_surface *surface, struct wlr_seat *seat);
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void wlr_pointer_constraint_v1_send_activated(
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struct wlr_pointer_constraint_v1 *constraint);
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void wlr_pointer_constraint_v1_send_deactivated(
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struct wlr_pointer_constraint_v1 *constraint);
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#endif
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@ -0,0 +1,362 @@
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#include <assert.h>
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#include <limits.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <pixman.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_pointer_constraints_v1.h>
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#include <wlr/types/wlr_region.h>
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#include <wlr/util/log.h>
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#include "util/signal.h"
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static const struct zwp_locked_pointer_v1_interface locked_pointer_impl;
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static const struct zwp_confined_pointer_v1_interface confined_pointer_impl;
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static const struct zwp_pointer_constraints_v1_interface pointer_constraints_impl;
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static void pointer_constraint_destroy(struct wlr_pointer_constraint_v1 *constraint);
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static struct wlr_pointer_constraint_v1 *pointer_constraint_from_resource(
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struct wl_resource *resource) {
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assert(
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wl_resource_instance_of(
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resource, &zwp_confined_pointer_v1_interface,
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&confined_pointer_impl) ||
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wl_resource_instance_of(
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resource, &zwp_locked_pointer_v1_interface,
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&locked_pointer_impl));
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return wl_resource_get_user_data(resource);
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}
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static struct wlr_pointer_constraints_v1 *pointer_constraints_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwp_pointer_constraints_v1_interface,
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&pointer_constraints_impl));
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return wl_resource_get_user_data(resource);
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}
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static void resource_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void pointer_constraint_destroy(struct wlr_pointer_constraint_v1 *constraint) {
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if (constraint == NULL) {
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return;
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}
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wlr_log(WLR_DEBUG, "destroying constraint %p", constraint);
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wl_resource_set_user_data(constraint->resource, NULL);
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wl_list_remove(&constraint->link);
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wl_list_remove(&constraint->surface_commit.link);
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wl_list_remove(&constraint->surface_destroy.link);
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wl_list_remove(&constraint->seat_destroy.link);
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wlr_signal_emit_safe(
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&constraint->pointer_constraints->events.constraint_destroy,
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constraint);
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if (constraint->current.region) {
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pixman_region32_fini(constraint->current.region);
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free(constraint->current.region);
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}
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if (constraint->pending.region &&
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constraint->current.region != constraint->pending.region) {
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pixman_region32_fini(constraint->pending.region);
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free(constraint->pending.region);
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}
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pixman_region32_fini(&constraint->region);
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free(constraint);
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}
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static void pointer_constraint_destroy_resource(struct wl_resource *resource) {
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struct wlr_pointer_constraint_v1 *constraint =
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pointer_constraint_from_resource(resource);
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pointer_constraint_destroy(constraint);
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}
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static void pointer_constraint_set_region(
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struct wlr_pointer_constraint_v1 *constraint,
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struct wl_resource *region_resource) {
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if (constraint->pending.region &&
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constraint->current.region != constraint->pending.region) {
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pixman_region32_fini(constraint->pending.region);
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free(constraint->pending.region);
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}
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if (region_resource) {
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constraint->pending.region = calloc(1, sizeof(pixman_region32_t));
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pixman_region32_init(constraint->pending.region);
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pixman_region32_t *region = wlr_region_from_resource(region_resource);
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pixman_region32_copy(constraint->pending.region, region);
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} else {
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constraint->pending.region = NULL;
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}
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}
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static void pointer_constraint_set_region_wrapper(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *region_resource) {
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||||
struct wlr_pointer_constraint_v1 *constraint =
|
||||
pointer_constraint_from_resource(resource);
|
||||
|
||||
pointer_constraint_set_region(constraint, region_resource);
|
||||
}
|
||||
|
||||
static void pointer_constraint_set_cursor_position_hint(struct wl_client *client,
|
||||
struct wl_resource *resource, wl_fixed_t x, wl_fixed_t y) {
|
||||
struct wlr_pointer_constraint_v1 *constraint =
|
||||
pointer_constraint_from_resource(resource);
|
||||
|
||||
constraint->pending.cursor_hint.x = wl_fixed_to_double(x);
|
||||
constraint->pending.cursor_hint.y = wl_fixed_to_double(y);
|
||||
constraint->pending.cursor_hint.valid = true;
|
||||
}
|
||||
|
||||
static void pointer_constraint_handle_commit(
|
||||
struct wlr_pointer_constraint_v1 *constraint) {
|
||||
constraint->current.cursor_hint = constraint->pending.cursor_hint;
|
||||
|
||||
if (constraint->current.region != constraint->pending.region) {
|
||||
if (constraint->current.region) {
|
||||
pixman_region32_fini(constraint->current.region);
|
||||
free(constraint->current.region);
|
||||
}
|
||||
|
||||
constraint->current.region = constraint->pending.region;
|
||||
}
|
||||
|
||||
pixman_region32_clear(&constraint->region);
|
||||
|
||||
if (constraint->current.region) {
|
||||
pixman_region32_intersect(&constraint->region,
|
||||
&constraint->surface->input_region, constraint->current.region);
|
||||
} else {
|
||||
pixman_region32_copy(&constraint->region,
|
||||
&constraint->surface->input_region);
|
||||
}
|
||||
}
|
||||
|
||||
static void handle_surface_commit(struct wl_listener *listener, void *data) {
|
||||
struct wlr_pointer_constraint_v1 *constraint =
|
||||
wl_container_of(listener, constraint, surface_commit);
|
||||
|
||||
pointer_constraint_handle_commit(constraint);
|
||||
}
|
||||
|
||||
static void handle_surface_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_pointer_constraint_v1 *constraint =
|
||||
wl_container_of(listener, constraint, surface_destroy);
|
||||
|
||||
pointer_constraint_destroy(constraint);
|
||||
}
|
||||
|
||||
static void handle_seat_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_pointer_constraint_v1 *constraint =
|
||||
wl_container_of(listener, constraint, seat_destroy);
|
||||
|
||||
pointer_constraint_destroy(constraint);
|
||||
}
|
||||
|
||||
static const struct zwp_confined_pointer_v1_interface confined_pointer_impl = {
|
||||
.destroy = resource_destroy,
|
||||
.set_region = pointer_constraint_set_region_wrapper,
|
||||
};
|
||||
|
||||
static const struct zwp_locked_pointer_v1_interface locked_pointer_impl = {
|
||||
.destroy = resource_destroy,
|
||||
.set_region = pointer_constraint_set_region_wrapper,
|
||||
.set_cursor_position_hint = pointer_constraint_set_cursor_position_hint,
|
||||
};
|
||||
|
||||
static void pointer_constraint_create(struct wl_client *client,
|
||||
struct wl_resource *pointer_constraints_resource, uint32_t id,
|
||||
struct wl_resource *surface_resource, struct wl_resource *pointer_resource,
|
||||
struct wl_resource *region_resource,
|
||||
enum zwp_pointer_constraints_v1_lifetime lifetime,
|
||||
enum wlr_pointer_constraint_v1_type type) {
|
||||
struct wlr_pointer_constraints_v1 *pointer_constraints =
|
||||
pointer_constraints_from_resource(pointer_constraints_resource);
|
||||
|
||||
struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
|
||||
struct wlr_seat *seat = wlr_seat_client_from_pointer_resource(pointer_resource)->seat;
|
||||
|
||||
if (wlr_pointer_constraints_v1_constraint_for_surface(pointer_constraints,
|
||||
surface, seat)) {
|
||||
wl_resource_post_error(pointer_constraints_resource,
|
||||
ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED,
|
||||
"a pointer constraint with a wl_pointer of the same wl_seat"
|
||||
" is already on this surface");
|
||||
return;
|
||||
}
|
||||
|
||||
uint32_t version = wl_resource_get_version(pointer_constraints_resource);
|
||||
|
||||
bool locked_pointer = type == WLR_POINTER_CONSTRAINT_V1_LOCKED;
|
||||
|
||||
struct wl_resource *resource = locked_pointer ?
|
||||
wl_resource_create(client, &zwp_locked_pointer_v1_interface, version, id) :
|
||||
wl_resource_create(client, &zwp_confined_pointer_v1_interface, version, id);
|
||||
|
||||
if (resource == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_pointer_constraint_v1 *constraint = calloc(1, sizeof(*constraint));
|
||||
if (constraint == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
constraint->resource = resource;
|
||||
constraint->surface = surface;
|
||||
constraint->seat = seat;
|
||||
constraint->lifetime = lifetime;
|
||||
constraint->type = type;
|
||||
constraint->pointer_constraints = pointer_constraints;
|
||||
|
||||
pixman_region32_init(&constraint->region);
|
||||
|
||||
pointer_constraint_set_region(constraint, region_resource);
|
||||
pointer_constraint_handle_commit(constraint);
|
||||
|
||||
constraint->surface_commit.notify = handle_surface_commit;
|
||||
wl_signal_add(&surface->events.commit, &constraint->surface_commit);
|
||||
|
||||
constraint->surface_destroy.notify = handle_surface_destroy;
|
||||
wl_signal_add(&surface->events.destroy, &constraint->surface_destroy);
|
||||
|
||||
constraint->seat_destroy.notify = handle_seat_destroy;
|
||||
wl_signal_add(&seat->events.destroy, &constraint->seat_destroy);
|
||||
|
||||
wl_resource_set_implementation(constraint->resource,
|
||||
locked_pointer ? (void*)&locked_pointer_impl : (void*)&confined_pointer_impl,
|
||||
constraint, pointer_constraint_destroy_resource);
|
||||
|
||||
wlr_log(WLR_DEBUG, "new %s_pointer %p (res %p)",
|
||||
locked_pointer ? "locked" : "confined", constraint, constraint->resource);
|
||||
|
||||
wl_list_insert(&pointer_constraints->constraints, &constraint->link);
|
||||
|
||||
wlr_signal_emit_safe(&pointer_constraints->events.constraint_create,
|
||||
constraint);
|
||||
}
|
||||
|
||||
static void pointer_constraints_lock_pointer(struct wl_client *client,
|
||||
struct wl_resource *cons_resource, uint32_t id,
|
||||
struct wl_resource *surface, struct wl_resource *pointer,
|
||||
struct wl_resource *region, enum zwp_pointer_constraints_v1_lifetime lifetime) {
|
||||
pointer_constraint_create(client, cons_resource, id, surface, pointer,
|
||||
region, lifetime, WLR_POINTER_CONSTRAINT_V1_LOCKED);
|
||||
}
|
||||
|
||||
static void pointer_constraints_confine_pointer(struct wl_client *client,
|
||||
struct wl_resource *cons_resource, uint32_t id,
|
||||
struct wl_resource *surface, struct wl_resource *pointer,
|
||||
struct wl_resource *region, enum zwp_pointer_constraints_v1_lifetime lifetime) {
|
||||
pointer_constraint_create(client, cons_resource, id, surface, pointer,
|
||||
region, lifetime, WLR_POINTER_CONSTRAINT_V1_CONFINED);
|
||||
}
|
||||
|
||||
static const struct zwp_pointer_constraints_v1_interface pointer_constraints_impl = {
|
||||
.destroy = resource_destroy,
|
||||
.lock_pointer = pointer_constraints_lock_pointer,
|
||||
.confine_pointer = pointer_constraints_confine_pointer,
|
||||
};
|
||||
|
||||
static void pointer_constraints_destroy(struct wl_resource *resource) {
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
static void pointer_constraints_bind(struct wl_client *client, void *data,
|
||||
uint32_t version, uint32_t id) {
|
||||
struct wlr_pointer_constraints_v1 *pointer_constraints = data;
|
||||
assert(client && pointer_constraints);
|
||||
|
||||
struct wl_resource *resource = wl_resource_create(client,
|
||||
&zwp_pointer_constraints_v1_interface, version, id);
|
||||
if (resource == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_list_insert(&pointer_constraints->wl_resources, wl_resource_get_link(resource));
|
||||
wl_resource_set_implementation(resource, &pointer_constraints_impl,
|
||||
pointer_constraints, pointer_constraints_destroy);
|
||||
}
|
||||
|
||||
struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1_create(
|
||||
struct wl_display *display) {
|
||||
struct wlr_pointer_constraints_v1 *pointer_constraints =
|
||||
calloc(1, sizeof(*pointer_constraints));
|
||||
|
||||
if (!pointer_constraints) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct wl_global *wl_global = wl_global_create(display,
|
||||
&zwp_pointer_constraints_v1_interface, 1, pointer_constraints,
|
||||
pointer_constraints_bind);
|
||||
if (!wl_global) {
|
||||
free(pointer_constraints);
|
||||
return NULL;
|
||||
}
|
||||
pointer_constraints->wl_global = wl_global;
|
||||
|
||||
wl_list_init(&pointer_constraints->wl_resources);
|
||||
wl_list_init(&pointer_constraints->constraints);
|
||||
wl_signal_init(&pointer_constraints->events.constraint_create);
|
||||
wl_signal_init(&pointer_constraints->events.constraint_destroy);
|
||||
|
||||
return pointer_constraints;
|
||||
}
|
||||
|
||||
void wlr_pointer_constraints_v1_destroy(
|
||||
struct wlr_pointer_constraints_v1 *pointer_constraints) {
|
||||
struct wl_resource *resource, *_tmp_res;
|
||||
wl_resource_for_each_safe(resource, _tmp_res, &pointer_constraints->wl_resources) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
struct wlr_pointer_constraint_v1 *constraint, *_tmp_cons;
|
||||
wl_list_for_each_safe(constraint, _tmp_cons, &pointer_constraints->constraints, link) {
|
||||
wl_resource_destroy(constraint->resource);
|
||||
}
|
||||
|
||||
wl_global_destroy(pointer_constraints->wl_global);
|
||||
free(pointer_constraints);
|
||||
}
|
||||
|
||||
struct wlr_pointer_constraint_v1 *wlr_pointer_constraints_v1_constraint_for_surface(
|
||||
struct wlr_pointer_constraints_v1 *pointer_constraints,
|
||||
struct wlr_surface *surface, struct wlr_seat *seat) {
|
||||
struct wlr_pointer_constraint_v1 *constraint;
|
||||
wl_list_for_each(constraint, &pointer_constraints->constraints, link) {
|
||||
if (constraint->surface == surface && constraint->seat == seat) {
|
||||
return constraint;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// Thankfully zwp_confined_pointer_v1_send_{un,}confined work
|
||||
// on both locked and confined pointer constraints.
|
||||
void wlr_pointer_constraint_v1_send_activated(
|
||||
struct wlr_pointer_constraint_v1 *constraint) {
|
||||
wlr_log(WLR_DEBUG, "constrained %p", constraint);
|
||||
zwp_confined_pointer_v1_send_confined(constraint->resource);
|
||||
}
|
||||
|
||||
void wlr_pointer_constraint_v1_send_deactivated(struct wlr_pointer_constraint_v1 *constraint) {
|
||||
if (wl_resource_get_user_data(constraint->resource)) {
|
||||
wlr_log(WLR_DEBUG, "unconstrained %p", constraint);
|
||||
zwp_confined_pointer_v1_send_unconfined(constraint->resource);
|
||||
if (constraint->lifetime == ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT) {
|
||||
pointer_constraint_destroy(constraint);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue