simple-egl: Add a default cursor

If clients don't set a cursor, they get whatever the last cursor was
before the pointer entered their window.  That's a little confusing, so
set a pointer on enter to avoid that.  The down-side is that simple EGL
isn't very simple anymore.

https://bugs.freedesktop.org/show_bug.cgi?id=52452
This commit is contained in:
Kristian Høgsberg 2012-10-29 17:41:46 -04:00
parent 6326c5de82
commit 191e0eee77
2 changed files with 34 additions and 1 deletions

View File

@ -32,6 +32,7 @@
#include <wayland-client.h>
#include <wayland-egl.h>
#include <wayland-cursor.h>
#include <GLES2/gl2.h>
#include <EGL/egl.h>
@ -47,6 +48,10 @@ struct display {
struct wl_seat *seat;
struct wl_pointer *pointer;
struct wl_keyboard *keyboard;
struct wl_shm *shm;
struct wl_cursor_theme *cursor_theme;
struct wl_cursor *default_cursor;
struct wl_surface *cursor_surface;
struct {
EGLDisplay dpy;
EGLContext ctx;
@ -426,9 +431,24 @@ pointer_handle_enter(void *data, struct wl_pointer *pointer,
wl_fixed_t sx, wl_fixed_t sy)
{
struct display *display = data;
struct wl_buffer *buffer;
struct wl_cursor *cursor = display->default_cursor;
struct wl_cursor_image *image;
if (display->window->fullscreen)
wl_pointer_set_cursor(pointer, serial, NULL, 0, 0);
else if (cursor) {
image = display->default_cursor->images[0];
buffer = wl_cursor_image_get_buffer(image);
wl_pointer_set_cursor(pointer, serial,
display->cursor_surface,
image->hotspot_x,
image->hotspot_y);
wl_surface_attach(display->cursor_surface, buffer, 0, 0);
wl_surface_damage(display->cursor_surface, 0, 0,
image->width, image->height);
wl_surface_commit(display->cursor_surface);
}
}
static void
@ -561,6 +581,12 @@ registry_handle_global(void *data, struct wl_registry *registry,
d->seat = wl_registry_bind(registry, name,
&wl_seat_interface, 1);
wl_seat_add_listener(d->seat, &seat_listener, d);
} else if (strcmp(interface, "wl_shm") == 0) {
d->shm = wl_registry_bind(registry, name,
&wl_shm_interface, 1);
d->cursor_theme = wl_cursor_theme_load(NULL, 32, d->shm);
d->default_cursor =
wl_cursor_theme_get_cursor(d->cursor_theme, "left_ptr");
}
}
@ -622,6 +648,9 @@ main(int argc, char **argv)
create_surface(&window);
init_gl(&window);
display.cursor_surface =
wl_compositor_create_surface(display.compositor);
sigint.sa_handler = signal_int;
sigemptyset(&sigint.sa_mask);
sigint.sa_flags = SA_RESETHAND;
@ -635,6 +664,10 @@ main(int argc, char **argv)
destroy_surface(&window);
fini_egl(&display);
wl_surface_destroy(display.cursor_surface);
if (display.cursor_theme)
wl_cursor_theme_destroy(display.cursor_theme);
if (display.shell)
wl_shell_destroy(display.shell);

View File

@ -167,7 +167,7 @@ AC_ARG_ENABLE(simple-egl-clients,
AM_CONDITIONAL(BUILD_SIMPLE_EGL_CLIENTS, test "x$enable_simple_egl_clients" = "xyes")
if test x$enable_simple_egl_clients = xyes; then
PKG_CHECK_MODULES(SIMPLE_EGL_CLIENT,
[egl >= 7.10 glesv2 wayland-client wayland-egl])
[egl >= 7.10 glesv2 wayland-client wayland-egl wayland-cursor])
fi
AC_ARG_ENABLE(clients, [ --enable-clients],, enable_clients=yes)