mirror of
https://github.com/Cloudef/bemenu
synced 2024-06-01 12:26:25 +02:00
244 lines
6.6 KiB
C
244 lines
6.6 KiB
C
#define _DEFAULT_SOURCE
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#include "internal.h"
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#include "version.h"
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#include "wayland.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/epoll.h>
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#include <sys/timerfd.h>
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static int efd;
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static void
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render(const struct bm_menu *menu)
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{
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struct wayland *wayland = menu->renderer->internal;
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wl_display_dispatch_pending(wayland->display);
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if (wl_display_flush(wayland->display) < 0 && errno != EAGAIN) {
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wayland->input.sym = XKB_KEY_Escape;
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return;
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}
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struct epoll_event ep[16];
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uint32_t num = epoll_wait(efd, ep, 16, -1);
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for (uint32_t i = 0; i < num; ++i) {
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if (ep[i].data.ptr == &wayland->fds.display) {
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if (ep[i].events & EPOLLERR || ep[i].events & EPOLLHUP ||
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((ep[i].events & EPOLLIN) && wl_display_dispatch(wayland->display) < 0))
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wayland->input.sym = XKB_KEY_Escape;
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} else if (ep[i].data.ptr == &wayland->fds.repeat) {
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bm_wl_repeat(wayland);
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}
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}
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uint32_t count;
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bm_menu_get_filtered_items(menu, &count);
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uint32_t lines = (count < menu->lines ? count : menu->lines) + 1;
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bm_wl_window_render(&wayland->window, menu, lines);
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}
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static enum bm_key
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poll_key(const struct bm_menu *menu, unsigned int *unicode)
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{
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struct wayland *wayland = menu->renderer->internal;
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assert(wayland && unicode);
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*unicode = 0;
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if (wayland->input.sym == XKB_KEY_NoSymbol)
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return BM_KEY_UNICODE;
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xkb_keysym_t sym = wayland->input.sym;
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uint32_t mods = wayland->input.modifiers;
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*unicode = xkb_state_key_get_utf32(wayland->input.xkb.state, wayland->input.code);
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if (!*unicode && wayland->input.code == 23 && (mods & MOD_SHIFT))
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return BM_KEY_SHIFT_TAB;
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wayland->input.sym = XKB_KEY_NoSymbol;
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wayland->input.code = 0;
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switch (sym) {
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case XKB_KEY_Up:
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return BM_KEY_UP;
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case XKB_KEY_Down:
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return BM_KEY_DOWN;
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case XKB_KEY_Left:
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return BM_KEY_LEFT;
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case XKB_KEY_Right:
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return BM_KEY_RIGHT;
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case XKB_KEY_Home:
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return BM_KEY_HOME;
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case XKB_KEY_End:
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return BM_KEY_END;
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case XKB_KEY_SunPageUp:
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return (mods & MOD_SHIFT ? BM_KEY_SHIFT_PAGE_UP : BM_KEY_PAGE_UP);
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case XKB_KEY_SunPageDown:
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return (mods & MOD_SHIFT ? BM_KEY_SHIFT_PAGE_DOWN : BM_KEY_PAGE_DOWN);
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case XKB_KEY_BackSpace:
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return BM_KEY_BACKSPACE;
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case XKB_KEY_Delete:
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return (mods & MOD_SHIFT ? BM_KEY_LINE_DELETE_LEFT : BM_KEY_DELETE);
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case XKB_KEY_Tab:
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return (mods & MOD_SHIFT ? BM_KEY_SHIFT_TAB : BM_KEY_TAB);
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case XKB_KEY_Insert:
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return BM_KEY_SHIFT_RETURN;
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case XKB_KEY_Return:
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return (mods & MOD_CTRL ? BM_KEY_CONTROL_RETURN : (mods & MOD_SHIFT ? BM_KEY_SHIFT_RETURN : BM_KEY_RETURN));
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case XKB_KEY_Escape:
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return BM_KEY_ESCAPE;
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case XKB_KEY_p:
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return (mods & MOD_CTRL ? BM_KEY_UP : BM_KEY_UNICODE);
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case XKB_KEY_n:
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return (mods & MOD_CTRL ? BM_KEY_DOWN : BM_KEY_UNICODE);
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case XKB_KEY_l:
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return (mods & MOD_CTRL ? BM_KEY_LEFT : BM_KEY_UNICODE);
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case XKB_KEY_f:
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return (mods & MOD_CTRL ? BM_KEY_RIGHT : BM_KEY_UNICODE);
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case XKB_KEY_a:
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return (mods & MOD_CTRL ? BM_KEY_HOME : BM_KEY_UNICODE);
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case XKB_KEY_e:
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return (mods & MOD_CTRL ? BM_KEY_END : BM_KEY_UNICODE);
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case XKB_KEY_h:
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return (mods & MOD_CTRL ? BM_KEY_BACKSPACE : BM_KEY_UNICODE);
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case XKB_KEY_u:
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return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_LEFT : BM_KEY_UNICODE);
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case XKB_KEY_k:
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return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_RIGHT : BM_KEY_UNICODE);
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case XKB_KEY_w:
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return (mods & MOD_CTRL ? BM_KEY_WORD_DELETE : BM_KEY_UNICODE);
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default: break;
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}
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return BM_KEY_UNICODE;
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}
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static uint32_t
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get_displayed_count(const struct bm_menu *menu)
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{
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struct wayland *wayland = menu->renderer->internal;
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assert(wayland);
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return wayland->window.displayed;
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}
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static void
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destructor(struct bm_menu *menu)
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{
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struct wayland *wayland = menu->renderer->internal;
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if (!wayland)
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return;
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bm_wl_window_destroy(&wayland->window);
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bm_wl_registry_destroy(wayland);
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xkb_context_unref(wayland->input.xkb.context);
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if (wayland->display) {
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epoll_ctl(efd, EPOLL_CTL_DEL, wayland->fds.repeat, NULL);
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epoll_ctl(efd, EPOLL_CTL_DEL, wayland->fds.display, NULL);
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close(wayland->fds.repeat);
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wl_display_flush(wayland->display);
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wl_display_disconnect(wayland->display);
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}
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free(wayland);
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menu->renderer->internal = NULL;
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}
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static bool
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constructor(struct bm_menu *menu)
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{
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struct wayland *wayland;
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if (!(menu->renderer->internal = wayland = calloc(1, sizeof(struct wayland))))
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goto fail;
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wayland->window.width = 800;
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wayland->window.height = 14;
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if (!(wayland->display = wl_display_connect(NULL)))
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goto fail;
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if (!(wayland->input.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS)))
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goto fail;
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if (!bm_wl_registry_register(wayland))
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goto fail;
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struct wl_surface *surface;
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if (!(surface = wl_compositor_create_surface(wayland->compositor)))
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goto fail;
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if (!bm_wl_window_create(&wayland->window, wayland->shm, wayland->shell, wayland->xdg_shell, surface))
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goto fail;
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if (!efd && (efd = epoll_create(EPOLL_CLOEXEC)) < 0)
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goto fail;
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wayland->fds.display = wl_display_get_fd(wayland->display);
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wayland->fds.repeat = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK);
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struct epoll_event ep;
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ep.events = EPOLLIN | EPOLLERR | EPOLLHUP;
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ep.data.ptr = &wayland->fds.display;
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epoll_ctl(efd, EPOLL_CTL_ADD, wayland->fds.display, &ep);
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struct epoll_event ep2;
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ep2.events = EPOLLIN;
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ep2.data.ptr = &wayland->fds.repeat;
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epoll_ctl(efd, EPOLL_CTL_ADD, wayland->fds.repeat, &ep2);
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wayland->window.notify.render = bm_cairo_paint;
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wayland->input.repeat_fd = &wayland->fds.repeat;
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return true;
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fail:
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destructor(menu);
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return false;
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}
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extern const char*
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register_renderer(struct render_api *api)
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{
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api->constructor = constructor;
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api->destructor = destructor;
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api->get_displayed_count = get_displayed_count;
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api->poll_key = poll_key;
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api->render = render;
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api->prioritory = BM_PRIO_GUI;
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api->version = BM_PLUGIN_VERSION;
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return "wayland";
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}
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/* vim: set ts=8 sw=4 tw=0 :*/
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