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wayland: Add keyboard support

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Adds libxkbcommon as a dependency when enabling the Wayland backend.
master
Jonas Ådahl ago%!(EXTRA string=11 years)
parent 2f71bfc152
commit 9ac854b7bb
5 changed files with 297 additions and 8 deletions
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  1. 34
      CMake/modules/FindXKBCommon.cmake
  2. 5
      CMakeLists.txt
  3. 2
      src/CMakeLists.txt
  4. 252
      src/wl_init.c
  5. 12
      src/wl_platform.h

34
CMake/modules/FindXKBCommon.cmake
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@ -0,0 +1,34 @@
# - Try to find XKBCommon
# Once done, this will define
#
# XKBCOMMON_FOUND - System has XKBCommon
# XKBCOMMON_INCLUDE_DIRS - The XKBCommon include directories
# XKBCOMMON_LIBRARIES - The libraries needed to use XKBCommon
# XKBCOMMON_DEFINITIONS - Compiler switches required for using XKBCommon
find_package(PkgConfig)
pkg_check_modules(PC_XKBCOMMON QUIET xkbcommon)
set(XKBCOMMON_DEFINITIONS ${PC_XKBCOMMON_CFLAGS_OTHER})
find_path(XKBCOMMON_INCLUDE_DIR
NAMES xkbcommon/xkbcommon.h
HINTS ${PC_XKBCOMMON_INCLUDE_DIR} ${PC_XKBCOMMON_INCLUDE_DIRS}
)
find_library(XKBCOMMON_LIBRARY
NAMES xkbcommon
HINTS ${PC_XKBCOMMON_LIBRARY} ${PC_XKBCOMMON_LIBRARY_DIRS}
)
set(XKBCOMMON_LIBRARIES ${XKBCOMMON_LIBRARY})
set(XKBCOMMON_LIBRARY_DIRS ${XKBCOMMON_LIBRARY_DIRS})
set(XKBCOMMON_INCLUDE_DIRS ${XKBCOMMON_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(XKBCommon DEFAULT_MSG
XKBCOMMON_LIBRARY
XKBCOMMON_INCLUDE_DIR
)
mark_as_advanced(XKBCOMMON_LIBRARY XKBCOMMON_INCLUDE_DIR)

5
CMakeLists.txt
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@ -301,6 +301,11 @@ if (_GLFW_WAYLAND)
list(APPEND glfw_INCLUDE_DIRS ${WAYLAND_INCLUDE_DIR}) list(APPEND glfw_INCLUDE_DIRS ${WAYLAND_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${WAYLAND_LIBRARIES} -pthread) list(APPEND glfw_LIBRARIES ${WAYLAND_LIBRARIES} -pthread)
find_package(XKBCommon REQUIRED)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} libxkbcommon")
list(APPEND glfw_INCLUDE_DIRS ${XKBCOMMON_INCLUDE_DIRS})
list(APPEND glfw_LIBRARIES ${XKBCOMMON_LIBRARY})
find_library(MATH_LIBRARY m) find_library(MATH_LIBRARY m)
mark_as_advanced(MATH_LIBRARY) mark_as_advanced(MATH_LIBRARY)
if (MATH_LIBRARY) if (MATH_LIBRARY)

2
src/CMakeLists.txt
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@ -34,7 +34,7 @@ elseif (_GLFW_WAYLAND)
posix_time.h posix_tls.h) posix_time.h posix_tls.h)
set(glfw_SOURCES ${common_SOURCES} wl_clipboard.c wl_gamma.c wl_init.c set(glfw_SOURCES ${common_SOURCES} wl_clipboard.c wl_gamma.c wl_init.c
wl_monitor.c wl_window.c linux_joystick.c posix_time.c wl_monitor.c wl_window.c linux_joystick.c posix_time.c
posix_tls.c) posix_tls.c xkb_unicode.c xkb_unicode.h)
endif() endif()
if (_GLFW_EGL) if (_GLFW_EGL)

252
src/wl_init.c
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@ -30,10 +30,13 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h> #include <wayland-client.h>
#include <wayland-client-protocol.h> #include <wayland-client-protocol.h>
#include <wayland-cursor.h> #include <wayland-cursor.h>
#include "xkb_unicode.h"
static void handlePing(void* data, static void handlePing(void* data,
struct wl_shell_surface* shellSurface, struct wl_shell_surface* shellSurface,
@ -119,13 +122,12 @@ static void pointerHandleButton(void* data,
* codes. */ * codes. */
glfwButton = button - BTN_LEFT; glfwButton = button - BTN_LEFT;
/* TODO: modifiers */
_glfwInputMouseClick(window, _glfwInputMouseClick(window,
glfwButton, glfwButton,
state == WL_POINTER_BUTTON_STATE_PRESSED state == WL_POINTER_BUTTON_STATE_PRESSED
? GLFW_PRESS ? GLFW_PRESS
: GLFW_RELEASE, : GLFW_RELEASE,
0); _glfw.wl.xkb.modifiers);
} }
static void pointerHandleAxis(void* data, static void pointerHandleAxis(void* data,
@ -174,7 +176,58 @@ static void keyboardHandleKeymap(void* data,
int fd, int fd,
uint32_t size) uint32_t size)
{ {
/* TODO */ struct xkb_keymap* keymap;
struct xkb_state* state;
char* mapStr;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
{
close(fd);
return;
}
mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (mapStr == MAP_FAILED) {
close(fd);
return;
}
keymap = xkb_map_new_from_string(_glfw.wl.xkb.context,
mapStr,
XKB_KEYMAP_FORMAT_TEXT_V1,
0);
munmap(mapStr, size);
close(fd);
if (!keymap)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to compile keymap");
return;
}
state = xkb_state_new(keymap);
if (!state)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create XKB state");
xkb_map_unref(keymap);
return;
}
xkb_keymap_unref(_glfw.wl.xkb.keymap);
xkb_state_unref(_glfw.wl.xkb.state);
_glfw.wl.xkb.keymap = keymap;
_glfw.wl.xkb.state = state;
_glfw.wl.xkb.control_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Control");
_glfw.wl.xkb.alt_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Mod1");
_glfw.wl.xkb.shift_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Shift");
_glfw.wl.xkb.super_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Mod4");
} }
static void keyboardHandleEnter(void* data, static void keyboardHandleEnter(void* data,
@ -183,7 +236,10 @@ static void keyboardHandleEnter(void* data,
struct wl_surface* surface, struct wl_surface* surface,
struct wl_array* keys) struct wl_array* keys)
{ {
_glfwInputWindowFocus(wl_surface_get_user_data(surface), GL_TRUE); _GLFWwindow* window = wl_surface_get_user_data(surface);
_glfw.wl.keyboardFocus = window;
_glfwInputWindowFocus(window, GL_TRUE);
} }
static void keyboardHandleLeave(void* data, static void keyboardHandleLeave(void* data,
@ -191,7 +247,134 @@ static void keyboardHandleLeave(void* data,
uint32_t serial, uint32_t serial,
struct wl_surface* surface) struct wl_surface* surface)
{ {
_glfwInputWindowFocus(wl_surface_get_user_data(surface), GL_FALSE); _GLFWwindow* window = _glfw.wl.keyboardFocus;
_glfw.wl.keyboardFocus = NULL;
_glfwInputWindowFocus(window, GL_FALSE);
}
static int toGLFWKeyCode(uint32_t key)
{
switch (key)
{
case KEY_GRAVE: return GLFW_KEY_GRAVE_ACCENT;
case KEY_1: return GLFW_KEY_1;
case KEY_2: return GLFW_KEY_2;
case KEY_3: return GLFW_KEY_3;
case KEY_4: return GLFW_KEY_4;
case KEY_5: return GLFW_KEY_5;
case KEY_6: return GLFW_KEY_6;
case KEY_7: return GLFW_KEY_7;
case KEY_8: return GLFW_KEY_8;
case KEY_9: return GLFW_KEY_9;
case KEY_0: return GLFW_KEY_0;
case KEY_MINUS: return GLFW_KEY_MINUS;
case KEY_EQUAL: return GLFW_KEY_EQUAL;
case KEY_Q: return GLFW_KEY_Q;
case KEY_W: return GLFW_KEY_W;
case KEY_E: return GLFW_KEY_E;
case KEY_R: return GLFW_KEY_R;
case KEY_T: return GLFW_KEY_T;
case KEY_Y: return GLFW_KEY_Y;
case KEY_U: return GLFW_KEY_U;
case KEY_I: return GLFW_KEY_I;
case KEY_O: return GLFW_KEY_O;
case KEY_P: return GLFW_KEY_P;
case KEY_LEFTBRACE: return GLFW_KEY_LEFT_BRACKET;
case KEY_RIGHTBRACE: return GLFW_KEY_RIGHT_BRACKET;
case KEY_A: return GLFW_KEY_A;
case KEY_S: return GLFW_KEY_S;
case KEY_D: return GLFW_KEY_D;
case KEY_F: return GLFW_KEY_F;
case KEY_G: return GLFW_KEY_G;
case KEY_H: return GLFW_KEY_H;
case KEY_J: return GLFW_KEY_J;
case KEY_K: return GLFW_KEY_K;
case KEY_L: return GLFW_KEY_L;
case KEY_SEMICOLON: return GLFW_KEY_SEMICOLON;
case KEY_APOSTROPHE: return GLFW_KEY_APOSTROPHE;
case KEY_Z: return GLFW_KEY_Z;
case KEY_X: return GLFW_KEY_X;
case KEY_C: return GLFW_KEY_C;
case KEY_V: return GLFW_KEY_V;
case KEY_B: return GLFW_KEY_B;
case KEY_N: return GLFW_KEY_N;
case KEY_M: return GLFW_KEY_M;
case KEY_COMMA: return GLFW_KEY_COMMA;
case KEY_DOT: return GLFW_KEY_PERIOD;
case KEY_SLASH: return GLFW_KEY_SLASH;
case KEY_BACKSLASH: return GLFW_KEY_BACKSLASH;
case KEY_ESC: return GLFW_KEY_ESCAPE;
case KEY_TAB: return GLFW_KEY_TAB;
case KEY_LEFTSHIFT: return GLFW_KEY_LEFT_SHIFT;
case KEY_RIGHTSHIFT: return GLFW_KEY_RIGHT_SHIFT;
case KEY_LEFTCTRL: return GLFW_KEY_LEFT_CONTROL;
case KEY_RIGHTCTRL: return GLFW_KEY_RIGHT_CONTROL;
case KEY_LEFTALT: return GLFW_KEY_LEFT_ALT;
case KEY_RIGHTALT: return GLFW_KEY_RIGHT_ALT;
case KEY_LEFTMETA: return GLFW_KEY_LEFT_SUPER;
case KEY_RIGHTMETA: return GLFW_KEY_RIGHT_SUPER;
case KEY_MENU: return GLFW_KEY_MENU;
case KEY_NUMLOCK: return GLFW_KEY_NUM_LOCK;
case KEY_CAPSLOCK: return GLFW_KEY_CAPS_LOCK;
case KEY_PRINT: return GLFW_KEY_PRINT_SCREEN;
case KEY_SCROLLLOCK: return GLFW_KEY_SCROLL_LOCK;
case KEY_PAUSE: return GLFW_KEY_PAUSE;
case KEY_DELETE: return GLFW_KEY_DELETE;
case KEY_BACKSPACE: return GLFW_KEY_BACKSPACE;
case KEY_ENTER: return GLFW_KEY_ENTER;
case KEY_HOME: return GLFW_KEY_HOME;
case KEY_END: return GLFW_KEY_END;
case KEY_PAGEUP: return GLFW_KEY_PAGE_UP;
case KEY_PAGEDOWN: return GLFW_KEY_PAGE_DOWN;
case KEY_INSERT: return GLFW_KEY_INSERT;
case KEY_LEFT: return GLFW_KEY_LEFT;
case KEY_RIGHT: return GLFW_KEY_RIGHT;
case KEY_DOWN: return GLFW_KEY_DOWN;
case KEY_UP: return GLFW_KEY_UP;
case KEY_F1: return GLFW_KEY_F1;
case KEY_F2: return GLFW_KEY_F2;
case KEY_F3: return GLFW_KEY_F3;
case KEY_F4: return GLFW_KEY_F4;
case KEY_F5: return GLFW_KEY_F5;
case KEY_F6: return GLFW_KEY_F6;
case KEY_F7: return GLFW_KEY_F7;
case KEY_F8: return GLFW_KEY_F8;
case KEY_F9: return GLFW_KEY_F9;
case KEY_F10: return GLFW_KEY_F10;
case KEY_F11: return GLFW_KEY_F11;
case KEY_F12: return GLFW_KEY_F12;
case KEY_F13: return GLFW_KEY_F13;
case KEY_F14: return GLFW_KEY_F14;
case KEY_F15: return GLFW_KEY_F15;
case KEY_F16: return GLFW_KEY_F16;
case KEY_F17: return GLFW_KEY_F17;
case KEY_F18: return GLFW_KEY_F18;
case KEY_F19: return GLFW_KEY_F19;
case KEY_F20: return GLFW_KEY_F20;
case KEY_F21: return GLFW_KEY_F21;
case KEY_F22: return GLFW_KEY_F22;
case KEY_F23: return GLFW_KEY_F23;
case KEY_F24: return GLFW_KEY_F24;
case KEY_KPSLASH: return GLFW_KEY_KP_DIVIDE;
case KEY_KPDOT: return GLFW_KEY_KP_MULTIPLY;
case KEY_KPMINUS: return GLFW_KEY_KP_SUBTRACT;
case KEY_KPPLUS: return GLFW_KEY_KP_ADD;
case KEY_KP0: return GLFW_KEY_KP_0;
case KEY_KP1: return GLFW_KEY_KP_1;
case KEY_KP2: return GLFW_KEY_KP_2;
case KEY_KP3: return GLFW_KEY_KP_3;
case KEY_KP4: return GLFW_KEY_KP_4;
case KEY_KP5: return GLFW_KEY_KP_5;
case KEY_KP6: return GLFW_KEY_KP_6;
case KEY_KP7: return GLFW_KEY_KP_7;
case KEY_KP8: return GLFW_KEY_KP_8;
case KEY_KP9: return GLFW_KEY_KP_9;
case KEY_KPCOMMA: return GLFW_KEY_KP_DECIMAL;
case KEY_KPEQUAL: return GLFW_KEY_KP_EQUAL;
case KEY_KPENTER: return GLFW_KEY_KP_ENTER;
default: return GLFW_KEY_UNKNOWN;
}
} }
static void keyboardHandleKey(void* data, static void keyboardHandleKey(void* data,
@ -201,7 +384,29 @@ static void keyboardHandleKey(void* data,
uint32_t key, uint32_t key,
uint32_t state) uint32_t state)
{ {
/* TODO */ uint32_t code, num_syms;
long sym;
int keyCode;
int action;
const xkb_keysym_t *syms;
_GLFWwindow* window = _glfw.wl.keyboardFocus;
keyCode = toGLFWKeyCode(key);
action = state == WL_KEYBOARD_KEY_STATE_PRESSED
? GLFW_PRESS : GLFW_RELEASE;
_glfwInputKey(window, keyCode, key, action,
_glfw.wl.xkb.modifiers);
code = key + 8;
num_syms = xkb_key_get_syms(_glfw.wl.xkb.state, code, &syms);
if (num_syms == 1)
{
sym = _glfwKeySym2Unicode(syms[0]);
if (sym != -1)
_glfwInputChar(window, sym);
}
} }
static void keyboardHandleModifiers(void* data, static void keyboardHandleModifiers(void* data,
@ -212,7 +417,32 @@ static void keyboardHandleModifiers(void* data,
uint32_t modsLocked, uint32_t modsLocked,
uint32_t group) uint32_t group)
{ {
/* TODO */ xkb_mod_mask_t mask;
unsigned int modifiers = 0;
if (!_glfw.wl.xkb.keymap)
return;
xkb_state_update_mask(_glfw.wl.xkb.state,
modsDepressed,
modsLatched,
modsLocked,
0,
0,
group);
mask = xkb_state_serialize_mods(_glfw.wl.xkb.state,
XKB_STATE_DEPRESSED |
XKB_STATE_LATCHED);
if (mask & _glfw.wl.xkb.control_mask)
modifiers |= GLFW_MOD_CONTROL;
if (mask & _glfw.wl.xkb.alt_mask)
modifiers |= GLFW_MOD_ALT;
if (mask & _glfw.wl.xkb.shift_mask)
modifiers |= GLFW_MOD_SHIFT;
if (mask & _glfw.wl.xkb.super_mask)
modifiers |= GLFW_MOD_SUPER;
_glfw.wl.xkb.modifiers = modifiers;
} }
static const struct wl_keyboard_listener keyboardListener = { static const struct wl_keyboard_listener keyboardListener = {
@ -318,6 +548,14 @@ int _glfwPlatformInit(void)
_glfw.wl.monitors = calloc(4, sizeof(_GLFWmonitor*)); _glfw.wl.monitors = calloc(4, sizeof(_GLFWmonitor*));
_glfw.wl.monitorsSize = 4; _glfw.wl.monitorsSize = 4;
_glfw.wl.xkb.context = xkb_context_new(0);
if (!_glfw.wl.xkb.context)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to initialize xkb context");
return GL_FALSE;
}
// Sync so we got all registry objects // Sync so we got all registry objects
wl_display_roundtrip(_glfw.wl.display); wl_display_roundtrip(_glfw.wl.display);

12
src/wl_platform.h
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@ -29,6 +29,7 @@
#include <wayland-client.h> #include <wayland-client.h>
#include <xkbcommon/xkbcommon.h>
#if defined(_GLFW_EGL) #if defined(_GLFW_EGL)
#include "egl_context.h" #include "egl_context.h"
@ -76,6 +77,17 @@ typedef struct _GLFWlibraryWayland
int monitorsCount; int monitorsCount;
int monitorsSize; int monitorsSize;
struct {
struct xkb_context* context;
struct xkb_keymap* keymap;
struct xkb_state* state;
xkb_mod_mask_t control_mask;
xkb_mod_mask_t alt_mask;
xkb_mod_mask_t shift_mask;
xkb_mod_mask_t super_mask;
unsigned int modifiers;
} xkb;
_GLFWwindow* pointerFocus; _GLFWwindow* pointerFocus;
_GLFWwindow* keyboardFocus; _GLFWwindow* keyboardFocus;
} _GLFWlibraryWayland; } _GLFWlibraryWayland;

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