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wayland mouse input

wayland
Patrick Cleavelin 2024-04-18 23:59:22 -05:00
parent 4c1d4f7547
commit 6119d34559
1 changed files with 62 additions and 3 deletions
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65
src/gfx.h
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@ -95,6 +95,11 @@ typedef struct {
struct wl_buffer *buffer;
struct xdg_surface *xdg_surface;
struct xdg_toplevel *xdg_toplevel;
struct wl_seat *seat;
struct wl_pointer *pointer;
int mouse_x, mouse_y;
int mouse_left_down, mouse_right_down;
} _opengl_gfx_context_wayland;
typedef struct {
@ -607,6 +612,54 @@ static void _metal_gfx_update_buffer(_metal_gfx_context *cx,
memcpy(buffer_contents, data, len);
}
#elif __linux__
#include <linux/input-event-codes.h>
static void _wayland_pointer_enter(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y) {
fprintf(stderr, "pointer enter: %d, %d\n", x, y);
}
static void _wayland_pointer_leave(void *data, struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface) {
fprintf(stderr, "pointer leave\n");
}
static void _wayland_pointer_button(void *data, struct wl_pointer *pointer,
uint32_t serial, uint32_t time,
uint32_t button, uint32_t state) {
_opengl_gfx_context_wayland *cx = data;
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
if (button == BTN_LEFT) {
cx->mouse_left_down = true;
} else if (button == BTN_RIGHT) {
cx->mouse_right_down = true;
}
} else if (state == WL_POINTER_BUTTON_STATE_RELEASED) {
if (button == BTN_LEFT) {
cx->mouse_left_down = false;
} else if (button == BTN_RIGHT) {
cx->mouse_right_down = false;
}
}
}
static void _wayland_pointer_axis(void *data, struct wl_pointer *pointer,
uint32_t time, uint32_t axis,
wl_fixed_t value) {}
static void _wayland_pointer_motion(void *data, struct wl_pointer *pointer,
uint32_t time, wl_fixed_t x, wl_fixed_t y) {
_opengl_gfx_context_wayland *cx = data;
cx->mouse_x = wl_fixed_to_int(x);
cx->mouse_y = wl_fixed_to_int(y);
}
static const struct wl_pointer_listener pointer_listener = {
.enter = _wayland_pointer_enter,
.leave = _wayland_pointer_leave,
.motion = _wayland_pointer_motion,
.button = _wayland_pointer_button,
.axis = _wayland_pointer_axis,
};
static void _wayland_xdg_toplevel_configure(void *data,
struct xdg_toplevel *xdg_toplevel,
@ -659,6 +712,8 @@ static void _wayland_registry_handle_global(void *data,
} else if (strcmp(interface, "xdg_wm_base") == 0) {
d->wm_base =
wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
} else if (strcmp(interface, "wl_seat") == 0) {
d->seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
}
}
@ -685,9 +740,11 @@ _opengl_gfx_init_context_wayland(uint32_t width, uint32_t height) {
// wait for all the globals to be registered
wl_display_roundtrip(cx.display);
xdg_wm_base_add_listener(cx.wm_base, &xdg_wm_base_listener, &cx);
cx.pointer = wl_seat_get_pointer(cx.seat);
wl_pointer_add_listener(cx.pointer, &pointer_listener, &cx);
cx.surface = wl_compositor_create_surface(cx.compositor);
cx.xdg_surface = xdg_wm_base_get_xdg_surface(cx.wm_base, cx.surface);
xdg_surface_add_listener(cx.xdg_surface, &xdg_surface_listener, &cx);
@ -705,12 +762,14 @@ _opengl_gfx_init_context_wayland(uint32_t width, uint32_t height) {
ftruncate(fd, size);
uint8_t *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
data[0] = 255;
for (int i = 0; i < size; ++i) {
data[i] = 255;
}
cx.shared_memory_pool = wl_shm_create_pool(cx.shared_memory, fd, size);
cx.buffer =
wl_shm_pool_create_buffer(cx.shared_memory_pool, 0, width, height,
width * 4, WL_SHM_FORMAT_XRGB8888);
width * 4, WL_SHM_FORMAT_ARGB8888);
wl_surface_attach(cx.surface, cx.buffer, 0, 0);
wl_surface_commit(cx.surface);