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Support cursors over wayland clients

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Apparently wayland has fucking client-side cursors, too
This commit is contained in:
Drew DeVault 2015-11-18 19:38:42 -05:00
parent 929537c158
commit 7a40eb6de6
4 changed files with 60 additions and 4 deletions
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11
CMake/FindWayland.cmake
View file

@ -12,6 +12,7 @@
# WAYLAND_CLIENT_FOUND WAYLAND_CLIENT_INCLUDE_DIR WAYLAND_CLIENT_LIBRARIES
# WAYLAND_SERVER_FOUND WAYLAND_SERVER_INCLUDE_DIR WAYLAND_SERVER_LIBRARIES
# WAYLAND_EGL_FOUND WAYLAND_EGL_INCLUDE_DIR WAYLAND_EGL_LIBRARIES
# WAYLAND_CURSOR_FOUND WAYLAND_CURSOR_INCLUDE_DIR WAYLAND_CURSOR_LIBRARIES
#
# Copyright (c) 2013 Martin Gräßlin <mgraesslin@kde.org>
#
@ -27,21 +28,23 @@ IF (NOT WIN32)
# Use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
FIND_PACKAGE(PkgConfig)
PKG_CHECK_MODULES(PKG_WAYLAND QUIET wayland-client wayland-server wayland-egl)
PKG_CHECK_MODULES(PKG_WAYLAND QUIET wayland-client wayland-server wayland-egl wayland-cursor)
SET(WAYLAND_DEFINITIONS ${PKG_WAYLAND_CFLAGS})
FIND_PATH(WAYLAND_CLIENT_INCLUDE_DIR NAMES wayland-client.h HINTS ${PKG_WAYLAND_INCLUDE_DIRS})
FIND_PATH(WAYLAND_SERVER_INCLUDE_DIR NAMES wayland-server.h HINTS ${PKG_WAYLAND_INCLUDE_DIRS})
FIND_PATH(WAYLAND_EGL_INCLUDE_DIR NAMES wayland-egl.h HINTS ${PKG_WAYLAND_INCLUDE_DIRS})
FIND_PATH(WAYLAND_CURSOR_INCLUDE_DIR NAMES wayland-cursor.h HINTS ${PKG_WAYLAND_INCLUDE_DIRS})
FIND_LIBRARY(WAYLAND_CLIENT_LIBRARIES NAMES wayland-client HINTS ${PKG_WAYLAND_LIBRARY_DIRS})
FIND_LIBRARY(WAYLAND_SERVER_LIBRARIES NAMES wayland-server HINTS ${PKG_WAYLAND_LIBRARY_DIRS})
FIND_LIBRARY(WAYLAND_EGL_LIBRARIES NAMES wayland-egl HINTS ${PKG_WAYLAND_LIBRARY_DIRS})
FIND_LIBRARY(WAYLAND_CURSOR_LIBRARIES NAMES wayland-cursor HINTS ${PKG_WAYLAND_LIBRARY_DIRS})
set(WAYLAND_INCLUDE_DIR ${WAYLAND_CLIENT_INCLUDE_DIR} ${WAYLAND_SERVER_INCLUDE_DIR} ${WAYLAND_EGL_INCLUDE_DIR})
set(WAYLAND_INCLUDE_DIR ${WAYLAND_CLIENT_INCLUDE_DIR} ${WAYLAND_SERVER_INCLUDE_DIR} ${WAYLAND_EGL_INCLUDE_DIR} ${WAYLAND_CURSOR_INCLUDE_DIR})
set(WAYLAND_LIBRARIES ${WAYLAND_CLIENT_LIBRARIES} ${WAYLAND_SERVER_LIBRARIES} ${WAYLAND_EGL_LIBRARIES})
set(WAYLAND_LIBRARIES ${WAYLAND_CLIENT_LIBRARIES} ${WAYLAND_SERVER_LIBRARIES} ${WAYLAND_EGL_LIBRARIES} ${WAYLAND_CURSOR_LIBRARIES})
list(REMOVE_DUPLICATES WAYLAND_INCLUDE_DIR)
@ -50,6 +53,7 @@ IF (NOT WIN32)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(WAYLAND_CLIENT DEFAULT_MSG WAYLAND_CLIENT_LIBRARIES WAYLAND_CLIENT_INCLUDE_DIR)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(WAYLAND_SERVER DEFAULT_MSG WAYLAND_SERVER_LIBRARIES WAYLAND_SERVER_INCLUDE_DIR)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(WAYLAND_EGL DEFAULT_MSG WAYLAND_EGL_LIBRARIES WAYLAND_EGL_INCLUDE_DIR)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(WAYLAND_CURSOR DEFAULT_MSG WAYLAND_CURSOR_LIBRARIES WAYLAND_CURSOR_INCLUDE_DIR)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(WAYLAND DEFAULT_MSG WAYLAND_LIBRARIES WAYLAND_INCLUDE_DIR)
MARK_AS_ADVANCED(
@ -57,6 +61,7 @@ IF (NOT WIN32)
WAYLAND_CLIENT_INCLUDE_DIR WAYLAND_CLIENT_LIBRARIES
WAYLAND_SERVER_INCLUDE_DIR WAYLAND_SERVER_LIBRARIES
WAYLAND_EGL_INCLUDE_DIR WAYLAND_EGL_LIBRARIES
WAYLAND_CURSOR_INCLUDE_DIR WAYLAND_CURSOR_LIBRARIES
)
ENDIF ()

8
include/client/client.h
View file

@ -22,6 +22,13 @@ struct buffer {
bool busy;
};
struct cursor {
struct wl_surface *surface;
struct wl_cursor_theme *cursor_theme;
struct wl_cursor *cursor;
struct wl_poitner *pointer;
};
struct client_state {
struct wl_compositor *compositor;
struct wl_display *display;
@ -34,6 +41,7 @@ struct client_state {
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
struct wl_callback *frame_cb;
struct cursor cursor;
uint32_t width, height;
cairo_t *cairo;
list_t *outputs;

2
swaybg/CMakeLists.txt
View file

@ -26,7 +26,7 @@ add_executable(swaybg
${proto-xdg-shell}
)
TARGET_LINK_LIBRARIES(swaybg ${WAYLAND_CLIENT_LIBRARIES} ${CAIRO_LIBRARIES} ${PANGO_LIBRARIES} m)
TARGET_LINK_LIBRARIES(swaybg ${WAYLAND_CLIENT_LIBRARIES} ${WAYLAND_CURSOR_LIBRARIES} ${CAIRO_LIBRARIES} ${PANGO_LIBRARIES} m)
install(
TARGETS swaybg

43
wayland/client.c
View file

@ -1,4 +1,5 @@
#include <wayland-client.h>
#include <wayland-cursor.h>
#include "wayland-xdg-shell-client-protocol.h"
#include <cairo/cairo.h>
#include <pango/pangocairo.h>
@ -44,6 +45,37 @@ static const struct wl_output_listener output_listener = {
.scale = display_handle_scale
};
static void pointer_handle_enter(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface, wl_fixed_t sx_w, wl_fixed_t sy_w) {
struct client_state *state = data;
struct wl_cursor_image *image = state->cursor.cursor->images[0];
wl_pointer_set_cursor(pointer, serial, state->cursor.surface, image->hotspot_x, image->hotspot_y);
}
static void pointer_handle_leave(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface) {
}
static void pointer_handle_motion(void *data, struct wl_pointer *pointer,
uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w) {
}
static void pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
uint32_t time, uint32_t button, uint32_t state_w) {
}
static void pointer_handle_axis(void *data, struct wl_pointer *pointer,
uint32_t time, uint32_t axis, wl_fixed_t value) {
}
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
};
static void registry_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct client_state *state = data;
@ -57,6 +89,7 @@ static void registry_global(void *data, struct wl_registry *registry,
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
state->seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
state->pointer = wl_seat_get_pointer(state->seat);
wl_pointer_add_listener(state->pointer, &pointer_listener, state);
} else if (strcmp(interface, wl_output_interface.name) == 0) {
struct wl_output *output = wl_registry_bind(registry, name, &wl_output_interface, version);
struct output_state *ostate = malloc(sizeof(struct output_state));
@ -111,6 +144,16 @@ struct client_state *client_setup(uint32_t width, uint32_t height) {
wl_shell_surface_add_listener(state->shell_surface, &surface_listener, state);
wl_shell_surface_set_toplevel(state->shell_surface);
state->cursor.cursor_theme = wl_cursor_theme_load("default", 32, state->shm); // TODO: let you customize this
state->cursor.cursor = wl_cursor_theme_get_cursor(state->cursor.cursor_theme, "left_ptr");
state->cursor.surface = wl_compositor_create_surface(state->compositor);
struct wl_cursor_image *image = state->cursor.cursor->images[0];
struct wl_buffer *cursor_buf = wl_cursor_image_get_buffer(image);
wl_surface_attach(state->cursor.surface, cursor_buf, 0, 0);
wl_surface_damage(state->cursor.surface, 0, 0, image->width, image->height);
wl_surface_commit(state->cursor.surface);
return state;
}