mirror of
https://github.com/jjsullivan5196/wvkbd.git
synced 2025-03-12 18:32:48 +01:00
353 lines
12 KiB
C
353 lines
12 KiB
C
#include "proto/virtual-keyboard-unstable-v1-client-protocol.h"
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#include "proto/wlr-layer-shell-unstable-v1-client-protocol.h"
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#include "wld/wayland.h"
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#include "wld/wld.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 <sys/mman.h>
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#include <wayland-client.h>
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#include "drw.h"
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#include "keymap.h"
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#include "os-compatibility.h"
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/* lazy die macro */
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#define die(...) \
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fprintf(stderr, __VA_ARGS__); \
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exit(0)
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/* client state */
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static const char *namespace = "wlroots";
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static struct wl_display *display;
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static struct wl_compositor *compositor;
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static struct wl_seat *seat;
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static struct wl_shm *shm;
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static struct wl_pointer *pointer;
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static struct wl_touch *touch;
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static struct wl_output *wl_output;
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static struct wl_surface *wl_surface;
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static struct zwlr_layer_shell_v1 *layer_shell;
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static struct zwlr_layer_surface_v1 *layer_surface;
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static struct zwp_virtual_keyboard_manager_v1 *vkbd_mgr;
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static uint32_t output = UINT32_MAX;
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/* drawing */
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static struct drw draw_ctx;
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static struct drwsurf draw_surf;
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/* layer surface parameters */
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static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_TOP;
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static uint32_t anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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/* application state */
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static bool run_display = true;
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static int cur_x = -1, cur_y = -1;
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/* event handler prototypes */
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static void wl_pointer_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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static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface);
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static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, wl_fixed_t surface_x,
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wl_fixed_t surface_y);
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static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, uint32_t time, uint32_t button,
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uint32_t state);
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static void wl_touch_down(void *data, struct wl_touch *wl_touch,
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uint32_t serial, uint32_t time,
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struct wl_surface *surface, int32_t id, wl_fixed_t x,
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wl_fixed_t y);
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static void wl_touch_up(void *data, struct wl_touch *wl_touch, uint32_t serial,
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uint32_t time, int32_t id);
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static void wl_touch_motion(void *data, struct wl_touch *wl_touch,
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uint32_t time, int32_t id, wl_fixed_t x,
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wl_fixed_t y);
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static void wl_touch_frame(void *data, struct wl_touch *wl_touch);
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static void wl_touch_cancel(void *data, struct wl_touch *wl_touch);
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static void wl_touch_shape(void *data, struct wl_touch *wl_touch, int32_t id,
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wl_fixed_t major, wl_fixed_t minor);
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static void wl_touch_orientation(void *data, struct wl_touch *wl_touch,
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int32_t id, wl_fixed_t orientation);
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static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
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enum wl_seat_capability caps);
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static void seat_handle_name(void *data, struct wl_seat *wl_seat,
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const char *name);
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface,
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uint32_t version);
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name);
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t w, uint32_t h);
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static void layer_surface_closed(void *data,
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struct zwlr_layer_surface_v1 *surface);
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/* event handlers */
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static const struct wl_pointer_listener pointer_listener = {
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.enter = wl_pointer_enter,
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.leave = wl_pointer_leave,
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.motion = wl_pointer_motion,
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.button = wl_pointer_button,
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};
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static const struct wl_touch_listener touch_listener = {
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.down = wl_touch_down,
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.up = wl_touch_up,
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.motion = wl_touch_motion,
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.frame = wl_touch_frame,
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.cancel = wl_touch_cancel,
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.shape = wl_touch_shape,
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.orientation = wl_touch_orientation,
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};
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static const struct wl_seat_listener seat_listener = {
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.capabilities = seat_handle_capabilities,
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.name = seat_handle_name,
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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 = handle_global_remove,
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};
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static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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.closed = layer_surface_closed,
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};
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#include "config.h"
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void
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wl_touch_down(void *data, struct wl_touch *wl_touch, uint32_t serial,
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uint32_t time, struct wl_surface *surface, int32_t id,
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wl_fixed_t x, wl_fixed_t y) {
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struct key *next_key;
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uint32_t touch_x, touch_y;
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touch_x = wl_fixed_to_int(x);
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touch_y = wl_fixed_to_int(y);
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kbd_unpress_key(&keyboard, time);
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next_key = kbd_get_key(&keyboard, touch_x, touch_y);
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if (next_key) {
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kbd_press_key(&keyboard, next_key, time);
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}
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}
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void
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wl_touch_up(void *data, struct wl_touch *wl_touch, uint32_t serial,
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uint32_t time, int32_t id) {
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kbd_unpress_key(&keyboard, time);
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}
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void
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wl_touch_motion(void *data, struct wl_touch *wl_touch, uint32_t time,
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int32_t id, wl_fixed_t x, wl_fixed_t y) {
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kbd_unpress_key(&keyboard, time);
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}
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void
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wl_touch_frame(void *data, struct wl_touch *wl_touch) {}
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void
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wl_touch_cancel(void *data, struct wl_touch *wl_touch) {}
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void
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wl_touch_shape(void *data, struct wl_touch *wl_touch, int32_t id,
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wl_fixed_t major, wl_fixed_t minor) {}
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void
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wl_touch_orientation(void *data, struct wl_touch *wl_touch, int32_t id,
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wl_fixed_t orientation) {}
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void
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wl_pointer_enter(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
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struct wl_surface *surface, wl_fixed_t surface_x,
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wl_fixed_t surface_y) {}
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void
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wl_pointer_leave(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
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struct wl_surface *surface) {
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cur_x = cur_y = -1;
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}
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void
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wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time,
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wl_fixed_t surface_x, wl_fixed_t surface_y) {
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cur_x = wl_fixed_to_int(surface_x);
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cur_y = wl_fixed_to_int(surface_y);
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kbd_unpress_key(&keyboard, time);
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}
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void
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wl_pointer_button(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
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uint32_t time, uint32_t button, uint32_t state) {
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struct key *next_key;
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bool press = state == WL_POINTER_BUTTON_STATE_PRESSED;
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kbd_unpress_key(&keyboard, time);
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if (press && cur_x >= 0 && cur_y >= 0) {
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next_key = kbd_get_key(&keyboard, cur_x, cur_y);
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if (next_key) {
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kbd_press_key(&keyboard, next_key, time);
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}
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}
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}
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void
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seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
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enum wl_seat_capability caps) {
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if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
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pointer = wl_seat_get_pointer(wl_seat);
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wl_pointer_add_listener(pointer, &pointer_listener, NULL);
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}
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if ((caps & WL_SEAT_CAPABILITY_TOUCH)) {
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touch = wl_seat_get_touch(wl_seat);
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wl_touch_add_listener(touch, &touch_listener, NULL);
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}
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}
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void
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seat_handle_name(void *data, struct wl_seat *wl_seat, const char *name) {}
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void
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handle_global(void *data, struct wl_registry *registry, uint32_t name,
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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, &wl_compositor_interface, 1);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
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} else if (strcmp(interface, "wl_output") == 0) {
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if (output != UINT32_MAX) {
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if (!wl_output) {
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wl_output = wl_registry_bind(registry, name, &wl_output_interface, 1);
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} else {
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output--;
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}
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}
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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, 1);
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wl_seat_add_listener(seat, &seat_listener, NULL);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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layer_shell =
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wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, 1);
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} else if (strcmp(interface,
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zwp_virtual_keyboard_manager_v1_interface.name) == 0) {
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vkbd_mgr = wl_registry_bind(registry, name,
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&zwp_virtual_keyboard_manager_v1_interface, 1);
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}
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}
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void
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handle_global_remove(void *data, struct wl_registry *registry, uint32_t name) {}
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void
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layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t w, uint32_t h) {
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kbd_resize(&keyboard, w + KBD_PIXEL_OVERSCAN_WIDTH, h);
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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void
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layer_surface_closed(void *data, struct zwlr_layer_surface_v1 *surface) {
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zwlr_layer_surface_v1_destroy(surface);
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wl_surface_destroy(draw_surf.surf);
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run_display = false;
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}
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int
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main(int argc, char **argv) {
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uint8_t i;
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int keymap_fd = os_create_anonymous_file(keymap_size);
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/* connect to compositor */
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display = wl_display_connect(NULL);
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if (display == NULL) {
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die("Failed to create display\n");
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}
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/* acquire state */
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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_roundtrip(display);
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if (compositor == NULL) {
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die("wl_compositor not available\n");
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}
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if (shm == NULL) {
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die("wl_shm not available\n");
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}
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if (layer_shell == NULL) {
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die("layer_shell not available\n");
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}
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if (vkbd_mgr == NULL) {
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die("virtual_keyboard_manager not available\n");
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}
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/* create vkbd */
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keyboard.vkbd =
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zwp_virtual_keyboard_manager_v1_create_virtual_keyboard(vkbd_mgr, seat);
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/* upload keymap */
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if (keymap_fd < 0) {
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die("could not create keymap fd\n");
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}
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void *ptr =
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mmap(NULL, keymap_size, PROT_READ | PROT_WRITE, MAP_SHARED, keymap_fd, 0);
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if (ptr == (void *)-1) {
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die("could not map keymap data\n");
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}
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strcpy(ptr, keymap_str);
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zwp_virtual_keyboard_v1_keymap(
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keyboard.vkbd, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, keymap_fd, keymap_size);
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/* init layouts */
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for (i = 0; i < NumLayouts; i++) {
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if (layouts[i].keys) {
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kbd_init_layout(&layouts[i]);
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}
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}
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/* assign kbd state */
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keyboard.surf = &draw_surf;
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/* create surface */
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wl_surface = wl_compositor_create_surface(compositor);
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drw_init(&draw_ctx, fc_font_pattern, display, shm);
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drwsurf_init(&draw_ctx, &draw_surf, wl_surface);
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layer_surface = zwlr_layer_shell_v1_get_layer_surface(
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layer_shell, draw_surf.surf, wl_output, layer, namespace);
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zwlr_layer_surface_v1_set_size(layer_surface, 0, KBD_PIXEL_HEIGHT);
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zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, KBD_PIXEL_HEIGHT);
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zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
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zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener,
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NULL);
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wl_surface_commit(draw_surf.surf);
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/* flush requests and start drawing */
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wl_display_roundtrip(display);
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drwsurf_flip(&draw_surf);
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while (wl_display_dispatch(display) != -1 && run_display) {
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}
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return 0;
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}
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