Implement Wayland hotkeys
Etaash Mathamsetty
2 months ago
committed by
flightlessmango
parent
98e442ba7f
commit
732629e5a0
@ -0,0 +1,59 @@
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#include <cstdint>
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#include <array>
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#include <dlfcn.h>
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#include <cstdio>
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#include "real_dlsym.h"
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#include "wayland_hook.h"
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EXPORT_C_(struct wl_display*) wl_display_connect(const char *name);
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EXPORT_C_(struct wl_display*) wl_display_connect_to_fd(int fd);
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typedef struct wl_display* (*pwl_display_connect)(const char *name);
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typedef struct wl_display* (*pwl_display_connect_to_fd)(int fd);
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pwl_display_connect wl_display_connect_ptr = nullptr;
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pwl_display_connect_to_fd wl_display_connect_to_fd_ptr = nullptr;
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void* wl_handle = nullptr;
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struct wl_display* wl_display_ptr = nullptr;
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EXPORT_C_(struct wl_display*) wl_display_connect(const char *name)
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{
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struct wl_display *ret = NULL;
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if(!wl_handle)
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{
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wl_handle = real_dlopen("libwayland-client.so", RTLD_LAZY);
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wl_display_connect_ptr = (pwl_display_connect)real_dlsym(wl_handle, "wl_display_connect");
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wl_display_connect_to_fd_ptr = (pwl_display_connect_to_fd)real_dlsym(wl_handle, "wl_display_connect_to_fd");
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}
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ret = wl_display_connect_ptr(name);
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if(!wl_display_ptr)
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wl_display_ptr = ret;
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init_wayland_data();
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return ret;
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}
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EXPORT_C_(struct wl_display*) wl_display_connect_to_fd(int fd)
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{
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struct wl_display *ret = NULL;
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if(!wl_handle)
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{
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wl_handle = real_dlopen("libwayland-client.so", RTLD_LAZY);
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wl_display_connect_to_fd_ptr = (pwl_display_connect_to_fd)real_dlsym(wl_handle, "wl_display_connect_to_fd");
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wl_display_connect_ptr = (pwl_display_connect)real_dlsym(wl_handle, "wl_display_connect");
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}
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ret = wl_display_connect_to_fd_ptr(fd);
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if(!wl_display_ptr)
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wl_display_ptr = ret;
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init_wayland_data();
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return ret;
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}
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@ -0,0 +1,13 @@
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#include <wayland-client.h>
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#include <vector>
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#ifndef KeySym
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typedef unsigned long KeySym;
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#endif
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extern void* wl_handle;
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extern struct wl_display* wl_display_ptr;
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extern std::vector<KeySym> wl_pressed_keys;
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void init_wayland_data();
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void update_wl_queue();
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@ -0,0 +1,115 @@
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#include <cstdint>
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#include <cstring>
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#include <array>
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#include <algorithm>
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#include <unistd.h>
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#include <vector>
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#include <wayland-client.h>
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#include <xkbcommon/xkbcommon.h>
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#include <sys/mman.h>
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#include "wayland_hook.h"
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#include "timing.hpp"
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#include "keybinds.h"
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struct wl_seat* seat = nullptr;
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struct wl_keyboard* keyboard = nullptr;
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struct xkb_context *context_xkb = nullptr;
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struct xkb_keymap *keymap_xkb = nullptr;
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struct xkb_state *state_xkb = nullptr;
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struct wl_event_queue* queue = nullptr;
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std::vector<KeySym> wl_pressed_keys {};
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static void registry_handle_global(void *data, struct wl_registry* registry, uint32_t name, const char *interface, uint32_t version)
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{
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if(strcmp(interface, wl_seat_interface.name) == 0)
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{
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seat = (struct wl_seat*)wl_registry_bind(registry, name, &wl_seat_interface, 7);
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}
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}
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static void registry_handle_global_remove(void *data, struct wl_registry *registry, uint32_t name){}
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static void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard, uint32_t format, int32_t fd, uint32_t size)
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{
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char* map_shm = (char*)mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
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if(!context_xkb)
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context_xkb = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if(keymap_xkb && state_xkb)
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{
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xkb_keymap_unref(keymap_xkb);
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xkb_state_unref(state_xkb);
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}
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keymap_xkb = xkb_keymap_new_from_string(
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context_xkb, map_shm, XKB_KEYMAP_FORMAT_TEXT_V1,
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XKB_KEYMAP_COMPILE_NO_FLAGS);
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state_xkb = xkb_state_new(keymap_xkb);
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munmap((void*)map_shm, size);
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close(fd);
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}
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static void wl_keyboard_enter(void *user_data, struct wl_keyboard *wl_keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys){}
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static void wl_keyboard_leave(void *data, struct wl_keyboard *wl_keyboard, uint32_t serial, struct wl_surface *surface)
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{
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wl_pressed_keys.clear();
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}
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static void wl_keyboard_key(void *data, struct wl_keyboard *wl_keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
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{
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xkb_keycode_t keycode = key + 8;
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xkb_keysym_t keysym = xkb_state_key_get_one_sym(state_xkb, keycode);
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if(state)
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{
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wl_pressed_keys.push_back(keysym);
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}
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else
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{
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auto it = std::find(wl_pressed_keys.begin(), wl_pressed_keys.end(), keysym);
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if(it != wl_pressed_keys.end())
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wl_pressed_keys.erase(it);
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}
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}
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static void wl_keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group){}
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static void wl_keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard, int32_t rate, int32_t delay){}
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struct wl_registry_listener registry_listener {
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.global = registry_handle_global,
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.global_remove = registry_handle_global_remove
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};
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struct wl_keyboard_listener keyboard_listener {
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.keymap = wl_keyboard_keymap,
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.enter = wl_keyboard_enter,
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.leave = wl_keyboard_leave,
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.key = wl_keyboard_key,
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.modifiers = wl_keyboard_modifiers,
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.repeat_info = wl_keyboard_repeat_info
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};
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void update_wl_queue()
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{
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wl_display_roundtrip_queue(wl_display_ptr, queue);
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}
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void init_wayland_data()
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{
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struct wl_display *display_wrapped = (struct wl_display*)wl_proxy_create_wrapper(wl_display_ptr);
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queue = wl_display_create_queue(wl_display_ptr);
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wl_proxy_set_queue((struct wl_proxy*)display_wrapped, queue);
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wl_registry *registry = wl_display_get_registry(display_wrapped);
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wl_proxy_wrapper_destroy(display_wrapped);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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update_wl_queue();
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update_wl_queue();
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keyboard = wl_seat_get_keyboard(seat);
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wl_keyboard_add_listener(keyboard, &keyboard_listener, NULL);
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update_wl_queue();
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}
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