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https://github.com/gnif/LookingGlass.git
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[client] wayland: add keyboard typing handling with xkbcommon
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parent
9414449408
commit
7045760490
@ -5,6 +5,7 @@ find_package(PkgConfig)
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pkg_check_modules(DISPLAYSERVER_Wayland REQUIRED IMPORTED_TARGET
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wayland-client
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wayland-cursor
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xkbcommon
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)
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set(DISPLAYSERVER_Wayland_OPT_PKGCONFIG_LIBRARIES "")
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@ -20,11 +20,14 @@
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#include "wayland.h"
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#include <errno.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <xkbcommon/xkbcommon.h>
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#include "app.h"
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#include "common/debug.h"
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@ -159,6 +162,50 @@ static const struct zwp_relative_pointer_v1_listener relativePointerListener = {
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static void keyboardKeymapHandler(void * data, struct wl_keyboard * keyboard,
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uint32_t format, int fd, uint32_t size)
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{
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if (!wlWm.xkb)
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goto done;
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if (wlWm.keymap)
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{
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xkb_keymap_unref(wlWm.keymap);
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wlWm.keymap = NULL;
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}
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if (wlWm.xkbState)
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{
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xkb_state_unref(wlWm.xkbState);
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wlWm.xkbState = NULL;
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}
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if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
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{
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DEBUG_WARN("Unsupported keymap format, keyboard input will not work: %d", format);
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goto done;
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}
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char * map = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
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if (map == MAP_FAILED)
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{
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DEBUG_ERROR("Failed to mmap keymap: %s", strerror(errno));
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goto done;
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}
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wlWm.keymap = xkb_keymap_new_from_string(wlWm.xkb, map,
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XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
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if (!wlWm.keymap)
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DEBUG_WARN("Failed to load keymap, keyboard input will not work");
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munmap(map, size);
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if (wlWm.keymap)
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{
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wlWm.xkbState = xkb_state_new(wlWm.keymap);
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if (!wlWm.xkbState)
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DEBUG_WARN("Failed to create xkb_state");
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}
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done:
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close(fd);
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}
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@ -198,13 +245,35 @@ static void keyboardKeyHandler(void * data, struct wl_keyboard * keyboard,
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app_handleKeyPress(key);
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else
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app_handleKeyRelease(key);
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if (!wlWm.xkbState || !app_isOverlayMode() || state != WL_KEYBOARD_KEY_STATE_PRESSED)
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return;
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key += 8; // xkb scancode is evdev scancode + 8
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int size = xkb_state_key_get_utf8(wlWm.xkbState, key, NULL, 0);
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if (size <= 0)
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return;
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char buffer[size + 1];
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xkb_state_key_get_utf8(wlWm.xkbState, key, buffer, size + 1);
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app_handleKeyboardTyped(buffer);
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}
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static void keyboardModifiersHandler(void * data,
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struct wl_keyboard * keyboard, uint32_t serial, uint32_t modsDepressed,
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uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
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{
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// Do nothing.
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if (!wlWm.xkbState)
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return;
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xkb_state_update_mask(wlWm.xkbState, modsDepressed, modsLatched, modsLocked, 0, 0, group);
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app_handleKeyboardModifiers(
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xkb_state_mod_name_is_active(wlWm.xkbState, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_EFFECTIVE) > 0,
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xkb_state_mod_name_is_active(wlWm.xkbState, XKB_MOD_NAME_SHIFT, XKB_STATE_MODS_EFFECTIVE) > 0,
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xkb_state_mod_name_is_active(wlWm.xkbState, XKB_MOD_NAME_ALT, XKB_STATE_MODS_EFFECTIVE) > 0,
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xkb_state_mod_name_is_active(wlWm.xkbState, XKB_MOD_NAME_LOGO, XKB_STATE_MODS_EFFECTIVE) > 0
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);
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}
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static const struct wl_keyboard_listener keyboardListener = {
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@ -293,6 +362,10 @@ bool waylandInputInit(void)
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DEBUG_WARN("zwp_keyboard_shortcuts_inhibit_manager_v1 not exported by "
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"compositor, keyboard will not be grabbed");
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wlWm.xkb = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if (!wlWm.xkb)
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DEBUG_WARN("Failed to initialize xkb, keyboard input will not work");
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wl_seat_add_listener(wlWm.seat, &seatListener, NULL);
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wl_display_roundtrip(wlWm.display);
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@ -317,6 +390,15 @@ void waylandInputFree(void)
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wl_pointer_destroy(wlWm.pointer);
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wl_keyboard_destroy(wlWm.keyboard);
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wl_seat_destroy(wlWm.seat);
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if (wlWm.xkbState)
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xkb_state_unref(wlWm.xkbState);
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if (wlWm.keymap)
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xkb_keymap_unref(wlWm.keymap);
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if (wlWm.xkb)
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xkb_context_unref(wlWm.xkb);
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}
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void waylandGrabPointer(void)
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@ -88,6 +88,10 @@ enum EGLSwapWithDamageState {
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SWAP_WITH_DAMAGE_EXT,
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};
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struct xkb_context;
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struct xkb_keymap;
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struct xkb_state;
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struct WaylandDSState
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{
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bool pointerGrabbed;
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@ -155,6 +159,9 @@ struct WaylandDSState
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struct zwp_keyboard_shortcuts_inhibit_manager_v1 * keyboardInhibitManager;
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struct zwp_keyboard_shortcuts_inhibitor_v1 * keyboardInhibitor;
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uint32_t keyboardEnterSerial;
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struct xkb_context * xkb;
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struct xkb_state * xkbState;
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struct xkb_keymap * keymap;
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struct wl_pointer * pointer;
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struct zwp_relative_pointer_manager_v1 * relativePointerManager;
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