mirror of
https://github.com/Cloudef/bemenu
synced 2024-06-01 12:26:25 +02:00
334 lines
9.5 KiB
C
334 lines
9.5 KiB
C
#include "internal.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 window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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if (window->render_pending)
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bm_wl_window_render(window, wayland->display, menu);
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}
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wl_display_flush(wayland->display);
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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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if (wayland->input.code != wayland->input.last_code) {
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wl_list_for_each(window, &wayland->windows, link) {
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bm_wl_window_schedule_render(window);
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}
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wayland->input.last_code = wayland->input.code;
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}
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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_less:
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return (mods & MOD_ALT ? BM_KEY_SHIFT_PAGE_UP : BM_KEY_UNICODE);
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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_greater:
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return (mods & MOD_ALT ? BM_KEY_SHIFT_PAGE_DOWN : BM_KEY_UNICODE);
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case XKB_KEY_v:
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return (mods & MOD_CTRL ? BM_KEY_PAGE_DOWN : (mods & MOD_ALT ? BM_KEY_PAGE_UP : BM_KEY_UNICODE));
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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_g:
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if (!(mods & MOD_CTRL)) return BM_KEY_UNICODE;
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// fall through
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case XKB_KEY_bracketleft:
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if (!(mods & MOD_CTRL)) return BM_KEY_UNICODE;
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// fall through
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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 : (mods & MOD_ALT ? BM_KEY_DOWN : 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 : (mods & MOD_ALT ? BM_KEY_UP : BM_KEY_UNICODE));
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case XKB_KEY_u:
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return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_LEFT : (mods & MOD_ALT ? BM_KEY_PAGE_UP : BM_KEY_UNICODE));
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case XKB_KEY_k:
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return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_RIGHT : (mods & MOD_ALT ? BM_KEY_UP : 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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case XKB_KEY_j:
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return (mods & MOD_ALT ? BM_KEY_DOWN : BM_KEY_UNICODE);
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case XKB_KEY_d:
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return (mods & MOD_ALT ? BM_KEY_PAGE_DOWN : BM_KEY_UNICODE);
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case XKB_KEY_m:
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return (mods & MOD_CTRL ? BM_KEY_RETURN : 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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uint32_t max = 0;
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struct window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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if (window->displayed > max)
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max = window->displayed;
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}
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return max;
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}
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static void
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set_bottom(const struct bm_menu *menu, bool bottom)
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{
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struct wayland *wayland = menu->renderer->internal;
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assert(wayland);
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struct window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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bm_wl_window_set_bottom(window, wayland->display, bottom);
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}
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}
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static void
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grab_keyboard(const struct bm_menu *menu, bool grab)
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{
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struct wayland *wayland = menu->renderer->internal;
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assert(wayland);
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struct window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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bm_wl_window_grab_keyboard(window, wayland->display, grab);
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}
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}
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static void
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set_overlap(const struct bm_menu *menu, bool overlap)
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{
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struct wayland *wayland = menu->renderer->internal;
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assert(wayland);
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struct window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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bm_wl_window_set_overlap(window, wayland->display, overlap);
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}
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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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struct window *window;
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wl_list_for_each(window, &wayland->windows, link) {
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bm_wl_window_destroy(window);
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}
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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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if (!getenv("WAYLAND_DISPLAY") && !getenv("WAYLAND_SOCKET"))
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return false;
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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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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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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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wayland->input.repeat_fd = &wayland->fds.repeat;
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struct output *output;
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wl_list_for_each(output, &wayland->outputs, link) {
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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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wl_surface_set_buffer_scale(surface, output->scale);
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struct window *window = calloc(1, sizeof(struct window));
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window->bottom = menu->bottom;
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window->scale = output->scale;
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if (!bm_wl_window_create(window, wayland->display, wayland->shm, output->output, wayland->layer_shell, surface))
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goto fail;
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window->notify.render = bm_cairo_paint;
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window->max_height = output->height;
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window->render_pending = true;
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wl_list_insert(&wayland->windows, &window->link);
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}
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if (!efd && (efd = epoll_create1(EPOLL_CLOEXEC)) < 0)
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goto fail;
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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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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->set_bottom = set_bottom;
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api->grab_keyboard = grab_keyboard;
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api->set_overlap = set_overlap;
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api->priorty = 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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