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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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43
wayland/client.c
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@ -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;
}